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HPMR

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fibroblast growth factor 4 OKDB#: 4346
 Symbols: FGF4 Species: human
 Synonyms: HST, KFGF, HST-1, HSTF1, K-FGF, HBGF-4,  Locus: 11q13.3 in Homo sapiens


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General Comment NCBI Summary: The protein encoded by this gene is a member of the fibroblast growth factor (FGF) family. FGF family members possess broad mitogenic and cell survival activities and are involved in a variety of biological processes including embryonic development, cell growth, morphogenesis, tissue repair, tumor growth and invasion. This gene was identified by its oncogenic transforming activity. This gene and FGF3, another oncogenic growth factor, are located closely on chromosome 11. Co-amplification of both genes was found in various kinds of human tumors. Studies on the mouse homolog suggested a function in bone morphogenesis and limb development through the sonic hedgehog (SHH) signaling pathway. [provided by RefSeq]
General function Ligand, Growth factor
Comment
Cellular localization Secreted
Comment
Ovarian function Early embryo development
Comment Methylation patterns in 5' terminal regions of pluripotency-related genes in mature bovine gametes. Lan J et al. SummaryGametogenesis is associated with DNA methylation and involves complicated and delicate gene regulation network in which stem cell marker genes exert their functions. Therefore, it is necessary to investigate DNA methylation profiles of those genes in mature gametes that have an effect on embryo development. However, to date, there are limited data available on these genes in mature gametes of bovine. Here we show methylation profiles in 5' terminal regions of five pluripotency-related genes (Oct4, Sox2, Nanog, Rex1 and Fgf4) in bovine mature gametes, based on the reasoning that the five genes harbour CpG islands in their own 5' terminal regions, which are frequently the targets of DNA methylation. The results showed that Oct4 and Fgf4 exhibited significant hypermethylation in sperm compared with that in oocytes (p < 0.01), while Sox2 and Nanog displayed relatively the same methylation levels between sperm and oocytes (p > 0.05). Additionally, Rex1 showed a relatively high methylation level in sperm than in oocytes, although no significant differences were found (p > 0.05). In conclusion, bovine mature gametes exhibited two methylation profiles in terms of the five genes, one being non-sex-specific and the other being sex-specific.
Expression regulated by
Comment
Ovarian localization
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: July 14, 2010, 12:37 p.m. by: hsueh   email:
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last update: July 14, 2010, 12:38 p.m. by: hsueh    email:



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