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Ovarian Kaleidoscope Database (OKdb)

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Breast Cancer Antiestrogen Resistance 1 OKDB#: 3768
 Symbols: BCAR1 Species: human
 Synonyms: CAS, CRKAS, P130Cas,CRK-ASSOCIATED SUBSTRATE, CRKAS|p130CAS|CAS  Locus: 16q22-q23 in Homo sapiens


For retrieval of Nucleotide and Amino Acid sequences please go to: OMIM Entrez Gene
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General Comment
General function
Comment
Cellular localization
Comment
Ovarian function Follicle development
Comment Differential expression of signal transduction factors in ovarian follicle development; a role for betaglycan FIBP in granulosa cells in cattle. Forde N et al. Ovarian follicles develop in groups yet individual follicles follow different growth trajectories. This growth and development is regulated by endocrine and locally produced growth factors that use a myriad of receptors and signal transduction pathways to exert their effects on theca and granulosa cells. We hypothesise that differential growth may be due to differences in hormonal responsiveness that is partially mediated by differences in expression of genes involved in signal transduction. We used the bovine dominant follicle model, microarrays, quantative real time PCR and RNA interference to examine this. We identified 83 genes coding for signal transduction molecules and validated a subset of them associated with different stages of the follicle wave. We suggest important roles for CAMkinase1 and EphA4 in theca cells and BCAR1 in granulosa cells for the development of dominant follicles and for betaglycan and FIBP in granulosa cells of regressing subordinate follicles. Inhibition of genes for betaglycan and FIBP in granulosa cells in vitro suggests that they inhibit estradiol production in regressing subordinate follicles. Key words: Follicle, FIBP, Betaglycan, Signalling, siRNA.
Expression regulated by
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Ovarian localization
Comment
Follicle stages
Comment
Phenotypes
Mutations 0 mutations
Genomic Region show genomic region
Phenotypes and GWAS show phenotypes and GWAS
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created: Feb. 27, 2008, 2:27 p.m. by: hsueh   email:
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last update: Feb. 27, 2008, 2:27 p.m. by: hsueh    email:



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