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Rabbit Anti-CaIPLA2 antibody
The protein encoded by this gene is an A2 phospholipase, a class of enzyme that catalyzes the release of fatty acids from phospholipids. The encoded protein may play a role in phospholipid remodelling, arachidonic acid release, leukotriene and prostaglandin synthesis, fas-mediated apoptosis, and transmembrane ion flux in glucose-stimulated B-cells. Several transcript variants encoding multiple isoforms have been described, but the full-length nature of only three of them have been determined to date. [provided by RefSeq, Dec 2010].
Function:
Catalyzes the release of fatty acids from phospholipids. It has been implicated in normal phospholipid remodeling, nitric oxide-induced or vasopressin-induced arachidonic acid release and in leukotriene and prostaglandin production. May participate in fas mediated apoptosis and in regulating transmembrane ion flux in glucose-stimulated B-cells. Has a role in cardiolipin (CL) deacylation. Required for both speed and directionality of monocyte MCP1/CCL2-induced chemotaxis through regulation of F-actin polymerization at the pseudopods.
Isoform ankyrin-iPLA2-1 and isoform ankyrin-iPLA2-2, which lack the catalytic domain, are probably involved in the negative regulation of iPLA2 activity.
Subunit:
Forms large oligomeric 270-350 kDa structures.
Subcellular Location:
Isoform LH-iPLA2: Membrane; Peripheral membrane protein. Note=Recruited to the membrane-enriched pseudopod upon MCP1/CCL2 stimulation in monocytes.
Isoform SH-iPLA2: Cytoplasm.
Tissue Specificity:
Four different transcripts were found to be expressed in a distinct tissue distribution.
DISEASE:
Defects in PLA2G6 are the cause of neurodegeneration with brain iron accumulation type 2B (NBIA2B) [MIM:610217]. A neurodegenerative disorder associated with iron accumulation in the brain, primarily in the basal ganglia. It is characterized by progressive extrapyramidal dysfunction leading to rigidity, dystonia, dysarthria and sensorimotor impairment.
Defects in PLA2G6 are the cause of neurodegeneration with brain iron accumulation type 2A (NBIA2A) [MIM:256600]; also known as Seitelberger disease. NBIA2A is a neurodegenerative disease characterized by pathologic axonal swelling and spheroid bodies in the central nervous system. Onset is within the first 2 years of life with death by age 10 years.
Defects in PLA2G6 are the cause of Parkinson disease type 14 (PARK14) [MIM:612953]. An adult-onset progressive neurodegenerative disorder characterized by parkinsonism, dystonia, severe cognitive decline, cerebral and cerebellar atrophy and absent iron in the basal ganglia on magnetic resonance imaging.
Similarity:
Contains 7 ANK repeats.
Contains 1 patatin domain.
SWISS:
O60733
Gene ID:
8398
Database links:
Entrez Gene: 8398 Human
Entrez Gene: 53357 Mouse
Entrez Gene: 72426 Rat
Omim: 60724 Human
SwissProt: O60733 Human
SwissProt: P97819 Mouse
SwissProt: P97570 Rat
Unigene: 170479 Human
Unigene: 155620 Mouse
Unigene: 44692 Rat
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