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The present study demonstrated that EGF (显示 EGF 蛋白) controlled expression of three activin subunits (inhbaa, inhbab and inhbb (显示 INHBB 蛋白)) in the follicle cells via diverse signaling pathways.
the hCG-stimulated activin betaA expression is dependent on the activation of the cAMP-PKA pathway
Activin betaA is involved in promoting ovary and follicle growth, whereas activin betaB (显示 INHBB 蛋白) may have a tonic role throughout follicle development but becomes critical at the late stage of oocyte maturation and/or ovulation.
binding of SMAD2/3, the intracellular effectors of activin signaling, was significantly enriched at the Pmepa1 gene, which encodes a negative feedback regulator of TGF-beta signaling in cancer cells, and at the Kdm6b gene, which encodes an epigenetic regulator promoting transcriptional plasticity.
These results suggest that prolonged exposure to hyperglycemia in the Ins2(Akita+/-) mice leads to progressive testicular disruption mediated by testicular activin activity, rather than hormonal dysregulation.
This study tested the hypothesis that inhibins act in an autocrine manner on Leydig cells using a pre-pubertal Leydig cell line, TM3 (显示 TPM1 蛋白), as a model of immature Leydig cells.
ENPP2 (显示 ENPP2 蛋白) links Activin-A enhanced mTOR (显示 FRAP1 蛋白) signaling to promote aberrant chondrogenesis in fibrodysplasia ossificans progressiva
Mice with elevated levels of IL6 (显示 IL6 蛋白) exhibited 8.1% weight loss after 9 weeks, whereas mice with elevated levels of activin A lost 11% of their body weight
a conserved role for activin in enhancing adipokinetic hormone/glucagon (显示 GCG 蛋白) signaling and glycemic control, is reported.
Results indicate that activin betaA has an important role outside of reproduction and development, specifically in digestion.
Activin A protects midbrain neurons in the 6-hydroxydopamine mouse model of Parkinson's disease.
BMP-4 (显示 BMP4 蛋白) increases activin A gene expression during mouse ES cell differentiation into bone precursors
This study assesses the regulation of activin A and follistatin (显示 FST 蛋白) in a murine myocardial ischaemia-reperfusion model.
The present study was undertaken to evaluate the distribution of the FSHB (显示 FSHB 蛋白) -211 G/T in men with normal or abnormal sperm parameters from Southern Italy to assess its functional relevance on the serum levels of reproductive hormones and on sperm parameters in men.
analysis of a novel SMAD (显示 SMAD1 蛋白)-independent pathway linking enhanced activin B signaling to reduced E-cadherin (显示 CDH1 蛋白) expression and increased migration in type II endometrial cancer
High INHBA expression is associated with lung adenocarcinoma.
activin A signaling has a role in melanoma growth and metastasis through immune evasion
These data provide evidence that eosinophils release activin A and that this function is enhanced when eosinophils are present in an allergen-induced inflammatory environment.
These results demonstrate that activin induces skin carcinogenesis via attraction and reprogramming of macrophages and identify novel activin targets involved in tumor formation.
our results defined a novel pathway in which dysregulation of the RUNX2 (显示 RUNX2 蛋白)/INHBA axis due to miR (显示 MLXIP 蛋白)-376c downregulation fosters lymph node metastasis in head and neck squamous cell carcinoma
The activin-A to follistatin (显示 FST 蛋白) ratio may play a role in determining the clinical phenotype of preterm birth as preterm labor or preterm premature rupture of membranes.
A screen of a human protein library identified activin A as a potent regulator of follicular helper T cells cell differentiation.
The expression of the components of the activin-inhibin-follistatin (显示 FST 蛋白) system is altered in bovine cystic ovarian disease.
Results support a physiological role for granulosa-derived inhibin as an antagonist of bone morphogenetic protein action on thecal androgen synthesis.
activin AB is a lignd for activin type IB receptor (显示 ACVR1B 蛋白) ALK7 (显示 ACVR1C 蛋白) and is responsible for activin-mediated secretion of insulin (显示 INS 蛋白) from pancreatic beta cell line, MIN6.
An increased expression of Inhibin-beta A was found in oocytes collected from large and medium follicles compared with small follicles before or after in oocyte vitro maturation.
INHA (显示 INHA 蛋白) and INHB expression and cellular localization in porcine oocytes were studied.
results indicated that boar testis produces inhibin A and inhibin B during the infantile period but inhibin A is the predominant form towards puberty and molecular weight forms of inhibin and the sites of production change with testicular development
This is the first report on INHBA as an associated candidate gene with the LSM of stallions and the paternal and embryonic component of BVs for the pregnancy rate per oestrus.
The result showed that AA genotype had remarkable litter size at P1 locus in the three goat breeds (P < 0.05). Therefore, these results suggest that INHA (显示 INHA 蛋白) gene is a strong candidate gene that affects litter size in goats.
Sequence comparison showed that three base changes in INHA (显示 INHA 蛋白)(two amino acid substitutions), and three base changes in INHBA,(one amino acid substitution). No difference seen in INHA (显示 INHA 蛋白) or INHBA mRNA expression level in the follicle of the two goat breeds.
The inhibin beta A subunit joins the alpha subunit to form a pituitary FSH secretion inhibitor. Inhibin has been shown to regulate gonadal stromal cell proliferation negatively and to have tumor-suppressor activity. In addition, serum levels of inhibin have been shown to reflect the size of granulosa-cell tumors and can therefore be used as a marker for primary as well as recurrent disease. Because expression in gonadal and various extragonadal tissues may vary severalfold in a tissue-specific fashion, it is proposed that inhibin may be both a growth/differentiation factor and a hormone. Furthermore, the beta A subunit forms a homodimer, activin A, and also joins with a beta B subunit to form a heterodimer, activin AB, both of which stimulate FSH secretion. Finally, it has been shown that the beta A subunit mRNA is identical to the erythroid differentiation factor subunit mRNA and that only one gene for this mRNA exists in the human genome.
inhibin, beta A
, activin beta A
, activin beta A1
, inhibin beta A
, inhibin, beta A (activin A, activin AB alpha polypeptide)
, activin A
, inhibin beta A chain-like
, activin beta-A chain
, inhibin beta A chain
, FSH-releasing protein
, Inhibin, beta-1
, erythroid differentiation factor
, erythroid differentiation protein
, follicle-stimulating hormone-releasing protein
, inhibin beta-subunit
, inhibin beta A subunit
, inhibin beta-A-subunit