GFAP Polyclonal Antibody 化学特性,用途語,生産方法
説明
Glial fibrillary acidic protein (GFAP) is a protein encoded by the
GFAP gene in humans and a member of the class III intermediate filament (IF) protein family. It is composed of an N-terminal head domain, a highly conserved α-helical rod domain, and a C-terminal tail domain that mediate GFAP self-assembly, dimerization, and oligomerization, respectively. GFAP is expressed in, and has commonly been used as a pan marker for, mature astrocytes. GFAP IFs form a dynamic network of cytosolic filament proteins that collectively provide structure and strength to the cytoskeleton of astrocytes, thus supporting their morphology and function. Isolated astrocytes from neonatal
Gfap-/- mouse brain have reduced numbers of IFs and IF bundles, increased proliferation, and loss of contact-inhibited growth.
Gfap-/- mice develop more diffuse and infiltrative brain lesions compared to wild-type littermates in a mouse model of experimental autoimmune encephalomyelitis (EAE). Mutations in the rod and tail domains of
GFAP have been associated with Rosenthal fiber formation, a hallmark of Alexander disease. Transgenic overexpression of
Gfap in mice increases the expression of certain cytokines and antioxidative enzymes in the olfactory bulb and has been used as a mouse model of Alexander disease. GFAP can be citrullinated on the arginine residue at position 270 (R270) and at R416 by protein arginine deiminase 1 (PAD1; ) and PAD2 . Citrullinated GFAP has been found in rat cerebral cortex in a model of traumatic brain injury, as well as in postmortem hippocampus from patients with Alzheimer''s disease. Cayman''s GFAP Polyclonal Antibody can be used for ELISA, IHC, and WB applications. The antibody recognizes GFAP at ~50 kDa from human and murine samples.
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