Source 1primary paper2024EMBO Molecular Medicine
Toolkit/PAR3/INSC/LGN machinery
PAR3/INSC/LGN machinery
Also known as: PAR3/INSC/LGN complex, PAR3/INSC/LGN dysfunction
Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
PAR3/INSC/LGN is an evolutionarily conserved multi-protein complex that forms a polarity-associated machinery required for asymmetric cell division in the developing brain. Human genetic evidence further links this machinery to function in the adult peripheral nervous system, where its dysfunction is associated with tubulin aggregation and necrotic neurodegeneration.
Usefulness & Problems
Why this is useful
This machinery is useful as a biological system for studying how cell polarity complexes couple protein complex assembly to asymmetric cell division and nervous system maintenance. Human disease evidence indicates relevance for investigating peripheral neuropathy mechanisms associated with INSC dysfunction.
Problem solved
The PAR3/INSC/LGN machinery helps explain how conserved polarity-associated protein complexes regulate asymmetric cell division in neural development. It also provides a mechanistic entry point for understanding how disruption of this pathway in humans can lead to peripheral nervous system pathology, including tubulin aggregation and necrotic neurodegeneration.
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.
Techniques
Directed EvolutionTarget processes
No target processes tagged yet.
Implementation Constraints
This is a multi-component system comprising PAR3, INSC, and LGN, so any experimental implementation would require consideration of coordinated expression or perturbation of all three components. The supplied evidence does not provide construct design, delivery method, organism-specific implementation protocol, or cofactor requirements.
The evidence provided is limited to a small number of statements and a single cited 2024 study, so mechanistic and validation depth is narrow. No quantitative performance data, reconstitution details, perturbation modalities, or broad cross-system validation are provided here.
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
Approval Evidence
1 source2 linked approval claimsfirst-pass slug par3-insc-lgn-machinery
PAR3/INSC/LGN form an evolutionarily conserved complex required for asymmetric cell division in the developing brain
Source:
biological rolesupports
The PAR3/INSC/LGN machinery has a critical role in the adult peripheral nervous system.
Our findings underscore the critical role of the PAR3/INSC/LGN machinery in the adult PNS
Source:
cellular phenotypesupports
PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration.
Cellularly, PAR3/INSC/LGN dysfunction caused tubulin aggregation and necrotic neurodegeneration
Source:
Comparisons
Source-backed strengths
The available evidence connects this machinery to both a defined developmental process—asymmetric cell division in the developing brain—and a human disease context in the adult peripheral nervous system. The cited study specifically associates PAR3/INSC/LGN dysfunction with tubulin aggregation and necrotic neurodegeneration, supporting biological relevance beyond development.
Ranked Citations
- 1.