Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:Q8IYM1 (SEPT12)
19 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The human septins are part of a gene family, that is a group of genes with similar sequences and usually but not invariably share similar functions that are descended from a common ancestor. Here we review our current knowledge of the human septin gene family and highlight areas of uncertainty. Currently 13 human septin genes are known (SEPT1 to SEPT12 and SEPT14). What was known as SEPT13 is now defined as one of many SEPT7 related pseudogenes. The family is characterized by complex genomics and extensive (but not universal) splicing, giving rise to a plethora of septin isoforms. For only a few members of the family do we have a comprehensive insight into these transcripts and isoforms. Given the formation of countless septin homotypic and heterotypic interactions our understanding of the biology and pathobiology of the septin family will require a detailed understanding of the genomics, transcriptomics and regulation of all members of this diverse and complex family.
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PMID:Septin genomics: a road less travelled. 2180 95

Septins are GTP-binding and membrane-interacting proteins with a highly conserved domain structure involved in various cellular processes, including cytoskeleton organization, cytokinesis, and membrane dynamics. To date, 13 different septin genes have been identified in mammals (SEPT1 to SEPT12 and SEPT14), which can be classified into four distinct subgroups based on the sequence homology of their domain structure (SEPT2, SEPT3, SEPT6, and SEPT7 subgroup). The family members of these subgroups have a strong affinity for other septins and form apolar tri-, hexa-, or octameric complexes consisting of multiple septin polypeptides. The first characterized core complex is the hetero-trimer SEPT2-6-7. Within these complexes single septins can be exchanged in a subgroup-specific manner. Hexamers contain SEPT2 and SEPT6 subgroup members and SEPT7 in two copies each whereas the octamers additionally comprise two SEPT9 subgroup septins. The various isoforms seem to determine the function and regulation of the septin complex. Septins self-assemble into higher-order structures, including filaments and rings in orders, which are typical for different cell types. Misregulation of septins leads to human diseases such as neurodegenerative and bleeding disorders. In non-dividing cells such as neuronal tissue and platelets septins have been associated with exocytosis. However, many mechanistic details and roles attributed to septins are poorly understood. We describe here some important mammalian septin interactions with a special focus on the clinically relevant septin interactions.
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PMID:The Mammalian Septin Interactome. 2822 24