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.

Problem links

provides protein-level or histological evidence for the proposed Smad4-linked mechanism

Literature

It helps assess whether the protective pathway is associated with suppression of Smad4 expression.

Source:

It helps assess whether the protective pathway is associated with suppression of Smad4 expression.

provides tissue-based evidence that supports non-homogeneous astrocyte properties

Literature

It helps assess whether astrocyte properties vary across locations or conditions in situ.

Source:

It helps assess whether astrocyte properties vary across locations or conditions in situ.

supports anatomical and marker-based assessment of stress-associated cell subtype changes

Literature

It helps identify where and in which cell subtypes stress-associated molecular or phenotypic changes occur.

Source:

It helps identify where and in which cell subtypes stress-associated molecular or phenotypic changes occur.

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 requirementoperating role: sensor

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 1mechanistic conclusionsupports2026Source 5needs review

CD44 and miR-146a reduce apoptosis in tendinopathic tenocytes and tendons by modulating the AKT/miR-146a/Smad4 signalling pathway.

By modulating the AKT/miR-146a/Smad4 signalling pathway, CD44 and miR-146a effectively reduce apoptosis in tendinopathic tenocytes and tendons.
Claim 2protective effectsupports2026Source 5needs review

Overexpression of CD44 and miR-146a reduces apoptosis in rat primary tendinopathic tenocytes compared with controls.

Overexpression of CD44 and miR-146a in tendinopathic tenocytes resulted in significantly reduced apoptosis compared to controls.
apoptosis significantly reduced compared to controls
Claim 3tool 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 4field 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 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

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

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

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 20comparative 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 21comparative 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 22comparative 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 23comparative 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 24comparative 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 25comparative 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 26gene 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 27gene 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 28gene 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 29gene 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 30gene 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 31gene 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 32gene 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 33gene 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 34gene 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 35gene 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 36gene 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 37gene 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 38gene 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 39gene 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 40human 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 41human 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 42human 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 43human 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 44human 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 45human 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 46human 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 47mechanistic 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 48mechanistic 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 49mechanistic 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 50mechanistic 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 51mechanistic 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 52mechanistic 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 53mechanistic 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-stated alternatives

ISH was used alongside IHC for Smad4-related pathway examination, while TUNEL was used for apoptosis assessment.; The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.; Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Source:

ISH was used alongside IHC for Smad4-related pathway examination, while TUNEL was used for apoptosis assessment.

Source:

The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.

Source:

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

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.

The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.

Compared with electron microscopy

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Compared with electrophysiology

The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.

Compared with imaging

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Compared with imaging surveillance

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Compared with microscopy

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Compared with optogenetic

The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

The abstract lists chemogenetic, optogenetic, genetic manipulation, electrophysiology, and pharmacology as other tools used in the same literature.

Compared with RNA sequencing

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Shared frame: source-stated alternative in extracted literature

Strengths here: used as a mechanistic readout in the study; presented as a state-of-the-art tool in the reviewed literature; named as one of the evidence streams supporting astrocyte diversity.

Relative tradeoffs: abstract does not specify antibody validation, quantification, or resolution of cell-type specificity; the abstract does not specify markers, throughput, or subtype resolution.

Source:

Other evidence streams named in the abstract include RNA sequencing, electron microscopy, morphological reconstruction, and imaging.

Ranked Citations

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

    Extracted from this source document.

  2. 2.
    StructuralSource 2Frontiers in Neuroscience2023Claim 3

    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 4

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

  5. 5.
    StructuralSource 5MED2026Claim 1Claim 2

    Extracted from this source document.

  6. 6.
    StructuralSource 6Frontiers in Aging Neuroscience2014Claim 5Claim 6Claim 7

    Extracted from this source document.