Jens R Coorssen
Campbelltown campus, Locked Bag 1797, Penrith
Australia
Research Article
Isolation and Identification of ER Associated Proteins with Unique Expression
Changes Specific to the V144D SPTLC1 Mutations in HSN-I
Author(s): Scott E Stimpson, Antonio Lauto, Jens R Coorssen and Simon J MyersScott E Stimpson, Antonio Lauto, Jens R Coorssen and Simon J Myers
Axonal degeneration is the final common path in many neurological disorders. Hereditary sensory neuropathies (HSN) are a group of neuropathies involving the sensory neurons. The most common subtype is autosomal dominant hereditary sensory neuropathy type I (HSN-I). Progressive degeneration of the dorsal root ganglion (DRG) neuron with an onset of clinical symptoms between the second or third decade of life characterises HSN-I. Mutations in the serine palmitoyltransferase (SPT) long chain subunit 1 (SPTLC1) gene cause HSN-I. The endoplasmic reticulum (ER) is a dynamic organelle that houses the SPTLC1 protein. Ultra structural analysis has shown the ER in the HSN-I mutant cells to wrap around dysfunctional mitochondria and tethers them to the perinucleus. This investigation establishes that the V144D mutant of SPTLC1 alters the expression of and potentially interacts with a set of prote.. View More»
DOI:
10.4172/2161-1009.1000248