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Ovarian Kaleidoscope Database (OKdb)

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HPMR

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mastermind like domain containing 1 OKDB#: 5275
 Symbols: MAMLD1 Species: human
 Synonyms: CG1, F18, HYSP2, CXorf6  Locus: Xq28 in Homo sapiens


For retrieval of Nucleotide and Amino Acid sequences please go to: OMIM Entrez Gene
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link to BioGPS
General Comment NCBI Summary: This gene encodes a mastermind-like domain containing protein. This protein may function as a transcriptional co-activator. Mutations in this gene are the cause of X-linked hypospadias type 2. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Apr 2010]
General function DNA binding, Transcription factor
Comment
Cellular localization
Comment
Ovarian function
Comment
Expression regulated by
Comment
Ovarian localization Granulosa, Luteal cells
Comment
Follicle stages Corpus luteum
Comment
Phenotypes
Mutations 1 mutations

Species: mouse
Mutation name:
type: null mutation
fertility: subfertile
Comment: Parturition failure in mice lacking Mamld1. Miyado M et al. (2015) In mice, the onset of parturition is triggered by a rapid decline in circulating progesterone. Progesterone withdrawal occurs as a result of functional luteolysis, which is characterized by an increase in the enzymatic activity of 20α-hydroxysteroid dehydrogenase (20α-HSD) in the corpus luteum and is mediated by the prostaglandin F2α (PGF2α) signaling. Here, we report that the genetic knockout (KO) of Mamld1, which encodes a putative non-DNA-binding regulator of testicular steroidogenesis, caused defective functional luteolysis and subsequent parturition failure and neonatal deaths. Progesterone receptor inhibition induced the onset of parturition in pregnant KO mice, and MAMLD1 regulated the expression of Akr1c18, the gene encoding 20α-HSD, in cultured cells. Ovaries of KO mice at late gestation were morphologically unremarkable; however, Akr1c18 expression was reduced and expression of its suppressor Stat5b was markedly increased. Several other genes including Prlr, Cyp19a1, Oxtr, and Lgals3 were also dysregulated in the KO ovaries, whereas PGF2α signaling genes remained unaffected. These results highlight the role of MAMLD1 in labour initiation. MAMLD1 likely participates in functional luteolysis by regulating Stat5b and other genes, independent of the PGF2α signaling pathway.//////////////////

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.)
OMIM \ Animal Model
KEGG Pathways
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created: Oct. 12, 2015, 2:51 p.m. by: system   email:
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last update: Feb. 18, 2020, 3 p.m. by: hsueh    email:



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