Pericytes antibodies

Introduction to Pericytes

Pericytes are specialized cells that play a critical role in the microvascular health of tissues. Located on the walls of blood capillaries and microvessels, these cells have both structural and functional significance. Pericytes regulate blood flow, contribute to the stabilization and maturation of blood vessels, and are pivotal in the blood-brain barrier's integrity. Their multifunctional nature extends to roles in tissue repair and regeneration, making them key players in response to injury and in various disease processes. Research on pericytes is dynamic and vital, as understanding their behavior can lead to breakthroughs in treating vascular-related conditions, including cancer, diabetic complications, and neurodegenerative diseases. Antibodies targeting pericytes are indispensable tools in this field, enabling scientists to identify, study, and manipulate these cells in both disease and health. Enhanced knowledge of pericyte biology facilitated by antibody research opens the door to novel therapeutic strategies aimed at vascular and tissue health.

Contents:

1. Pericytes Biomarkers
2. Important Mechanisms

Pericytes biomarkers

Protein Name	Gene Name	Function
PDGFRβ	PDGFRB	Platelet-derived growth factor receptor beta, key in pericyte recruitment and angiogenesis.
NG2	CSPG4	Neural/glial antigen 2, involved in cell-matrix interactions and cytoskeletal organization.
CD146	MCAM	Melanoma cell adhesion molecule, involved in cell adhesion, signaling and angiogenesis.
α-SMA	ACTA2	Alpha-smooth muscle actin, marker for myofibroblast-like properties and contractility.
Desmin	DES	Intermediate filament protein, structural support and organization in muscle cells.
RGS5	RGS5	Regulator of G-protein signaling 5, modulates signaling in cardiovascular development.
PDGFRα	PDGFRA	Platelet-derived growth factor receptor alpha, similar roles as PDGFRβ in development and repair.
CD13	ANPEP	Aminopeptidase N, involved in angiogenesis and pericyte migration.
CD248	CD248	Endosialin or tumor endothelial marker 1, involved in tumor angiogenesis and cell migration.
Notch 3	NOTCH3	Critical for vascular development, regulates pericyte proliferation and survival.
Tie2	TEK	Angiopoietin-1 receptor, key for vascular stability and pericyte-endothelium interaction.
Calponin	CNN1	Involved in smooth muscle tone regulation and vascular contractility.
bFGF	FGF2	Basic fibroblast growth factor, promotes angiogenesis and wound healing.
Nestin	NES	Intermediate filament protein, indicative of neural progenitor cells and developmental processes.
SM22α	TAGLN	Transgelin, involved in cytoskeletal dynamics and smooth muscle contraction.
VCAM-1	VCAM1	Vascular cell adhesion molecule, mediates leukocyte-endothelial cell adhesion and signaling.
Occludin	OCLN	Component of tight junctions, crucial for blood-brain barrier integrity.
Collagen IV	COL4A1	Type IV collagen, structural component of basement membranes, support and filtration in capillaries.
Laminin	LAMA4	Component of the extracellular matrix, vital for basement membrane architecture and stability.

Important Mechanisms

Pericyte Role in Blood-Brain Barrier Integrity

Pericytes are pivotal in maintaining the structural and functional integrity of the blood-brain barrier (BBB), a critical barrier that regulates the movement of substances between the bloodstream and the central nervous system. These cells are embedded in the basement membrane of capillaries and play a crucial role in supporting capillary stability and permeability. The interactions between pericytes, endothelial cells, and other components of the neurovascular unit facilitate tight control over the BBB’s permeability, vital for protecting neuronal tissue from pathogenic substances and maintaining neural microenvironment homeostasis. Dysfunction in pericyte coverage or performance can lead to BBB breakdown, contributing to various neurological disorders such as stroke, multiple sclerosis, and Alzheimer's disease. Research into this area seeks to decipher the complex signaling pathways that govern pericyte function and the implications of their dysregulation, offering insights into potential therapeutic targets for enhancing BBB resilience and treating neurodegenerative diseases.

Pericyte Involvement in Angiogenesis

Pericytes play a critical role in angiogenesis—the process of new blood vessel formation, which is crucial for development, wound healing, and the progression of diseases such as cancer. These cells are intricately involved in stabilizing and maturing the newly formed blood vessels, a function they perform in coordination with endothelial cells. Pericytes aid in the recruitment, attachment, and organization of endothelial cells during tubulogenesis and help in the secretion of extracellular matrix components, essential for the structural integrity of blood vessels. Understanding pericyte dynamics during angiogenesis provides insights into disorders characterized by abnormal blood vessel formations, such as diabetic retinopathy and cancer metastasis. Research is focused on manipulating pericyte-endothelial interactions to modulate angiogenic responses, aiming for novel treatments that could regulate angiogenesis in pathological conditions.