ALOX15 (also termed arachidonate 15-lipoxygenase, 15-lipoxygenase-1, 15-LO-1, 15-LOX-1) is, like other lipoxygenases, a seminal enzyme in the metabolism of polyunsaturated fatty acids to a wide range of physiologically and pathologically important products. ▼ Gene Function
Kelavkar and Badr (1999) stated that the ALOX15 gene product is implicated in antiinflammation, membrane remodeling, and cancer development/metastasis. Kelavkar and Badr (1999) described experiments yielding data that supported the hypothesis that loss of the TP53 gene, or gain-of-function activities resulting from the expression of its mutant forms, regulates ALOX15 promoter activity in human and in mouse, albeit in directionally opposite manners. These studies defined a direct link between ALOX15 gene activity and an established tumor-suppressor gene located in close chromosomal proximity. Kelavkar and Badr (1999) referred to this as evidence that 15-lipoxygenase is a mutator gene. ▼ Mapping
By PCR analysis of a human-hamster somatic hybrid DNA panel, Funk et al. (1992) demonstrated that genes for 12-lipoxygenase and 15-lipoxygenase are located on human chromosome 17, whereas the most unrelated lipoxygenase (5-lipoxygenase) was mapped to chromosome 10.
Kelavkar and Badr (1999) stated that the ALOX15 gene maps to 17p13.3 in close proximity to the tumor-suppressor gene TP53 (191170). In humans, it is encoded by the ALOX15 gene located on chromosome 17p13.3.[5] This 11 kilobase pair gene consists of 14 exons and 13 introns coding for a 75 kilodalton protein composed of 662 amino acids. 15-LO is to be distinguished from another human 15-lipoxygenase enzyme, ALOX15B (also termed 15-lipoxygenase-2).[6] Orthologs of ALOX15, termed Alox15, are widely distributed in animal and plant species but commonly have different enzyme activities and make somewhat different products than ALOX15.
- ^ a b c GRCh38: Ensembl release 89: ENSG00000161905 – Ensembl, May 2017
- ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000018924 – Ensembl, May 2017
- ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ Funk CD, Funk LB, FitzGerald GA, Samuelsson B (May 1992). "Characterization of human 12-lipoxygenase genes". Proceedings of the National Academy of Sciences of the United States of America. 89 (9): 3962–6. Bibcode:1992PNAS...89.3962F. doi:10.1073/pnas.89.9.3962. PMC 525611. PMID 1570320.
- ^ Ivanov I, Kuhn H, Heydeck D (November 2015). "Structural and functional biology of arachidonic acid 15-lipoxygenase-1 (ALOX15)". Gene. 573 (1): 1–32. doi:10.1016/j.gene.2015.07.073. PMC 6728142. PMID 26216303.