The information on this page was automatically extracted from online scientific databases.
From NCBI Gene:
This gene encodes a member of the plakin protein family of adhesion junction plaque proteins. Multiple alternatively spliced transcript variants encoding distinct isoforms have been found for this gene, but the full-length nature of some variants has not been defined. It has been reported that some isoforms are expressed in neural and muscle tissue, anchoring neural intermediate filaments to the actin cytoskeleton, and some isoforms are expressed in epithelial tissue, anchoring keratin-containing intermediate filaments to hemidesmosomes. Consistent with the expression, mice defective for this gene show skin blistering and neurodegeneration. [provided by RefSeq, Mar 2010]
Isoform 3: plays a structural role in the assembly of hemidesmosomes of epithelial cells; anchors keratin-containing intermediate filaments to the inner plaque of hemidesmosomes. Required for the regulation of keratinocyte polarity and motility; mediates integrin ITGB4 regulation of RAC1 activity.
Isoform 7: regulates the organization and stability of the microtubule network of sensory neurons to allow axonal transport.
Cytoskeletal linker protein. Acts as an integrator of intermediate filaments, actin and microtubule cytoskeleton networks. Required for anchoring either intermediate filaments to the actin cytoskeleton in neural and muscle cells or keratin-containing intermediate filaments to hemidesmosomes in epithelial cells. The proteins may self-aggregate to form filaments or a two-dimensional mesh. Regulates the organization and stability of the microtubule network of sensory neurons to allow axonal transport. Mediates docking of the dynein/dynactin motor complex to vesicle cargos for retrograde axonal transport through its interaction with TMEM108 and DCTN1 (By similarity).
Isoform 6: required for bundling actin filaments around the nucleus.
From NCBI Gene:
- Epidermolysis bullosa simplex, autosomal recessive 2
- Neuropathy, hereditary sensory and autonomic, type VI
Neuropathy, hereditary sensory and autonomic, 6 (HSAN6): A form of hereditary sensory and autonomic neuropathy, a genetically and clinically heterogeneous group of disorders characterized by degeneration of dorsal root and autonomic ganglion cells, and by sensory and/or autonomic abnormalities. HSAN6 is a severe autosomal recessive disorder characterized by neonatal hypotonia, respiratory and feeding difficulties, lack of psychomotor development, and autonomic abnormalities including labile cardiovascular function, lack of corneal reflexes leading to corneal scarring, areflexia, and absent axonal flare response after intradermal histamine injection. [MIM:614653]
Epidermolysis bullosa simplex, autosomal recessive 2 (EBSB2): A form of epidermolysis bullosa, a dermatologic disorder characterized by localized blistering on the dorsal, lateral and plantar surfaces of the feet. EBSB2 is characterized by trauma-induced blistering mainly occurring on the feet and ankles. Ultrastructural analysis of skin biopsy shows abnormal hemidesmosomes with poorly formed inner plaques. [MIM:615425]