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HPMR

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176557

leucine rich repeat containing 16A OKDB#: 4695
 Symbols: LRRC16A Species: human
 Synonyms: CARMIL, LRRC16, CARMIL1, CARMIL1a, dJ501N12.1, dJ501N12.5, FLJ20048, FLJ43708,  Locus: 6p22.2 in Homo sapiens


For retrieval of Nucleotide and Amino Acid sequences please go to: OMIM Entrez Gene
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General Comment Upstream of Hippo signaling

General function Cytoskeleton, Cytoskeleton organization
Comment
Cellular localization Cytoskeleton
Comment
Ovarian function Oocyte maturation
Comment Actin-capping proteins play essential roles in the asymmetric division of maturing mouse oocytes. Jo YJ et al. (2015) Actin polymerization is essential for various stages of mammalian oocyte maturation, including spindle migration, actin cap formation, polar body extrusion and cytokinesis. The heterodimeric actin-capping protein is an essential element of the actin cytoskeleton. It binds to the fast-growing (barbed) ends of actin filaments and plays essential roles in various actin-mediated cellular processes. However, the roles of capping protein in mammalian oocyte maturation are poorly understood. We investigated the roles of capping protein in mouse oocytes and found that it is essential for correct asymmetric spindle migration and polar body extrusion. Capping protein mainly localized in the cytoplasm during maturation. By knocking down or ectopically overexpressing this protein, we revealed that it is crucial for efficient spindle migration and maintenance of the cytoplasmic actin mesh density. Expression of the capping-protein-binding region of CARMIL (also known as LRRC16A) impaired spindle migration and polar body extrusion during oocyte maturation and decreased the density of the cytoplasmic actin mesh. Taken together, these findings show that capping protein is an essential component of the actin cytoskeleton machinery that plays crucial roles in oocyte maturation, presumably by controlling the cytoplasmic actin mesh density.//////////////////
Expression regulated by
Comment
Ovarian localization Oocyte
Comment
Follicle stages
Comment
Phenotypes
Mutations 0 mutations
Genomic Region show genomic region
Phenotypes and GWAS show phenotypes and GWAS
Links
OMIM (Online Mendelian Inheritance in Man: an excellent source of general gene description and genetic information.)
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created: May 29, 2012, 10:32 a.m. by: dvpradeepreddy   email:
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last update: Jan. 21, 2015, 3:26 p.m. by: hsueh    email:



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