Toolkit/immunohistochemistry

immunohistochemistry

Assay Method·Research·Since 2014

Also known as: IHC

Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

Immunohistochemistry is an antibody-based tissue staining assay used in the cited stroke study alongside transcriptomics and real-time polymerase chain reaction to examine post-stroke tissue in aged rats and post-stroke patients. In that context, it supported assessment of angiogenesis-related histological features such as vascular density after stroke.

Usefulness & Problems

Why this is useful

This assay is useful for visualizing tissue-associated biological features in situ using antibody staining. In the supplied evidence, it contributed histological assessment of post-stroke angiogenesis-related tissue changes when combined with molecular profiling approaches.

Problem solved

Immunohistochemistry helps address the problem of assessing tissue-level angiogenesis after stroke within intact specimens rather than relying only on transcript measurements. In the cited study context, it supported comparison of vascular density and related post-stroke tissue features between young and old rats and in post-stroke patient material.

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete measurement method used to characterize an engineered system.

Target processes

No target processes tagged yet.

Input: Light

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: spectral hardware requirementmodality: tissue assaymodality: tissue stainingoperating role: sensorreview context: stress neurobiology

The available evidence indicates use of immunohistochemistry in combination with real-time polymerase chain reaction and stroke transcriptomics in aged rats and post-stroke patients. No further practical details are provided on fixation, antigen retrieval, detection chemistry, construct design, or required reagents beyond antibody-based tissue staining.

The supplied evidence does not specify the antibodies, antigens, staining protocol, quantification method, or imaging modality used for immunohistochemistry. It also does not provide performance metrics such as sensitivity, specificity, reproducibility, or independent benchmarking for this assay in the described application.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1tool usage summarysupports2023Source 2needs review

The reviewed literature uses chemogenetic, optogenetic, genetic manipulation, electrophysiology, pharmacology, and immunohistochemistry approaches to investigate the role of specific cell subtypes in the stress response.

many studies have used state-of-the-art tools such as chemogenetic, optogenetic, genetic manipulation, electrophysiology, pharmacology, and immunohistochemistry to investigate the role of specific cell subtypes in the stress response
Claim 2field summarysupports2019Source 4needs review

Recent availability of RNA sequencing, immunohistochemistry, electron microscopy, morphological reconstruction, and imaging data has challenged the view that astrocytes are a homogeneous population across the CNS.

Claim 3comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 4comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 5comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 6comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 7comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 8comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 9comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 10comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 11comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 12comparative biological observationsupports2014Source 6needs review

Beyond the inflammatory and fibrotic barrier, angiogenesis in aged brains was similar to that in young brains.

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.
Claim 13comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 14comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 15comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 16comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 17comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 18comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 19comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 20comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 21comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 22comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 23comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 24comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 25comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 26comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 27comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 28comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 29comparative biological observationsupports2014Source 6needs review

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.
Claim 30comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 31comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 32comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 33comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 34comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 35comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 36comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 37comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 38comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 39comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 40comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 41comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 42comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 43comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 44comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 45comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 46comparative biological observationsupports2014Source 6needs review

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.
time post stroke 14 day
Claim 47gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 48gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 49gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 50gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 51gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 52gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 53gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 54gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 55gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 56gene expression associationsupports2014Source 6needs review

Genes including Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4 were linked to increased vasculature density in young animals and are required for sprouting angiogenesis, basal lamina reconstruction, and the resolution phase.

"New-for-stroke" genes that were linked to the increased vasculature density in young animals included Angpt2, Angptl2, Angptl4, Cib1, Ccr2, Col4a2, Cxcl1, Lef1, Hhex, Lamc1, Nid2, Pcam1, Plod2, Runx3, Scpep1, S100a4, Tgfbi, and Wnt4, which are required for sprouting angiogenesis, reconstruction of the basal lamina (BL), and the resolution phase.
Claim 57gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 58gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 59gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 60gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 61gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 62gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 63gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 64gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 65gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 66gene expression timingsupports2014Source 6needs review

Most genes involved in sprouting angiogenesis, basal lamina reconstruction, and tube formation or maturation showed delayed upregulation in aged rats.

The vast majority of genes involved in sprouting angiogenesis (Angpt2, Angptl4, Cib1, Col8a1, Nrp1, Pcam1, Pttg1ip, Rac2, Runx1, Tnp4, Wnt4); reconstruction of a new BL (Col4a2, Lamc1, Plod2); or tube formation and maturation (Angpt1, Gpc3, Igfbp7, Sparc, Tie2, Tnfsf10), had however, a delayed upregulation in the aged rats.
Claim 67human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 68human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 69human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 70human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 71human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 72human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 73human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 74human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 75human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 76human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 77human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 78human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 79human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 80human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 81human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 82human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 83human observationsupports2014Source 6needs review

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke
Claim 84mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 85mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 86mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 87mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 88mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 89mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 90mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 91mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 92mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).
Claim 93mechanistic interpretationsupports2014Source 6needs review

In aged rats, persistent upregulation of inflammatory genes and strong expression of fibrotic scar genes further diminished the angiogenic response.

The angiogenic response in aged rats was further diminished by the persistent upregulation of "inflammatory" genes (Cxcl12, Mmp8, Mmp12, Mmp14, Mpeg1, Tnfrsf1a, Tnfrsf1b) and vigorous expression of genes required for the buildup of the fibrotic scar (Cthrc1, Il6ra, Il13ar1, Il18, Mmp2, Rassf4, Tgfb1, Tgfbr2, Timp1).

Approval Evidence

6 sources5 linked approval claimsfirst-pass slug immunohistochemistry
In situ hybridization (ISH) and immunohistochemistry (IHC) were performed to examine the pathway's effect on Smad4 expression in tendinopathic tenocytes and tendons.

Source:

many studies have used state-of-the-art tools such as ... immunohistochemistry to investigate the role of specific cell subtypes in the stress response

Source:

Using a combination of immunohistochemistry

Source:

this view has been challenged in the last few years with the availability of RNA sequencing, immunohistochemistry, electron microscopy, morphological reconstruction, and imaging data

Source:

by combining stroke transcriptomics with immunohistochemistry in aged rats and post-stroke patients

Source:

Using real time polymerase chain reaction and immunohistochemistry techniques

Source:

tool usage summarysupports

The reviewed literature uses chemogenetic, optogenetic, genetic manipulation, electrophysiology, pharmacology, and immunohistochemistry approaches to investigate the role of specific cell subtypes in the stress response.

many studies have used state-of-the-art tools such as chemogenetic, optogenetic, genetic manipulation, electrophysiology, pharmacology, and immunohistochemistry to investigate the role of specific cell subtypes in the stress response

Source:

field summarysupports

Recent availability of RNA sequencing, immunohistochemistry, electron microscopy, morphological reconstruction, and imaging data has challenged the view that astrocytes are a homogeneous population across the CNS.

Source:

comparative biological observationsupports

Both young and old infarcted rats initiated vigorous angiogenesis after stroke.

We found that both young and old infarcted rats initiated vigorous angiogenesis.

Source:

comparative biological observationsupports

Young rats had higher vascular density than old rats by day 14 post-stroke.

However, the young rats had a higher vascular density by day 14 post-stroke.

Source:

human observationsupports

The aged human brain is capable of mounting a vigorous angiogenic response after stroke.

We also found that the aged human brain is capable of mounting a vigorous angiogenic response after stroke

Source:

Comparisons

Source-backed strengths

The evidence shows that immunohistochemistry was integrated with real-time polymerase chain reaction and stroke transcriptomics, indicating utility as a complementary tissue-level assay in multimodal studies. In the cited work, it supported biological observations about vigorous angiogenesis after stroke and age-associated differences in vascular density by day 14.

Source:

Beyond this barrier, angiogenesis in the aged brains was similar to that in young brains.

Source:

We found that both young and old infarcted rats initiated vigorous angiogenesis.

Source:

However, the young rats had a higher vascular density by day 14 post-stroke.

immunohistochemistry and Field-domain rapid-scan EPR at 240 GHz address a similar problem space.

Shared frame: same top-level item type

Strengths here: appears more independently replicated; looks easier to implement in practice.

immunohistochemistry and fluorescence line narrowing address a similar problem space.

Shared frame: same top-level item type

Strengths here: appears more independently replicated; looks easier to implement in practice.

immunohistochemistry and native green gel system address a similar problem space.

Shared frame: same top-level item type

Strengths here: appears more independently replicated; looks easier to implement in practice.

Ranked Citations

  1. 1.
    StructuralSource 1Asian Pacific Journal of Cancer Prevention2012

    Extracted from this source document.

  2. 2.
    StructuralSource 2Frontiers in Neuroscience2023Claim 1

    Extracted from this source document. Seeded from load plan for claim cl2.

  3. 3.
    StructuralSource 32023

    Extracted from this source document.

  4. 4.
    StructuralSource 4Annual Review of Neuroscience2019Claim 2

    Extracted from this source document. Seeded from load plan for claim cl1.

  5. 5.
    StructuralSource 5MED2026

    Extracted from this source document.

  6. 6.
    StructuralSource 6Frontiers in Aging Neuroscience2014Claim 11Claim 11Claim 12

    Extracted from this source document.