2009
DOI: 10.1093/humupd/dmp031
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Inhibin and premature ovarian failure

Abstract: The identification of an autosomal mutation in the inhibin alpha subunit gene that is significantly linked to POF in certain ethnic populations highlights the role of inhibin in the regulation of ovarian biology and fertility. Although the reduction of inhibin B bioactivity by the INHA G769A mutation is clearly not the only cause, evidence suggests that this change may serve as a susceptibility factor, increasing the likelihood of POF.

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Cited by 96 publications
(58 citation statements)
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“…Then, when a woman is diagnosed with POI, in the absence of other more obvious causes, it should be carried out a cytogenetic analysis, although there is also an important immune factor that could be rule out with the detection of autoantibodies. Other possible genetic causes of POI isolated are mutations in FMR2 (1.5 % of cases) [35], PGRMC1 and BMP15 genes on the X chromosome (1.5-12 % of cases) [21], and NR5A1, FOXL2, INHA (4.5-10.5 % of New Zealand, Indian and Italian patients) [57], GDF9, NOBOX (5.2 % of French patients) [59], NANOS3 and FIGLα genes in autosomes, although their degree of association depends on the study population. Mutations in all the other genes mentioned in this review are population-specific, not common or rare causes.…”
Section: Discussionmentioning
confidence: 99%
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“…Then, when a woman is diagnosed with POI, in the absence of other more obvious causes, it should be carried out a cytogenetic analysis, although there is also an important immune factor that could be rule out with the detection of autoantibodies. Other possible genetic causes of POI isolated are mutations in FMR2 (1.5 % of cases) [35], PGRMC1 and BMP15 genes on the X chromosome (1.5-12 % of cases) [21], and NR5A1, FOXL2, INHA (4.5-10.5 % of New Zealand, Indian and Italian patients) [57], GDF9, NOBOX (5.2 % of French patients) [59], NANOS3 and FIGLα genes in autosomes, although their degree of association depends on the study population. Mutations in all the other genes mentioned in this review are population-specific, not common or rare causes.…”
Section: Discussionmentioning
confidence: 99%
“…Based on its function, it is considered a strong candidate and its mutation was present in 7 % of 38 New Zealand patients, 10.5 % of 133 Indian patients and 4.5 % of 157 Italian patients [57]. Yet it is more likely to be a susceptibility factor to POI rather than the single genetic cause.…”
Section: Mutations In Autosomal Genesmentioning
confidence: 99%
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“…However, various clinical and laboratory trials [14] have recently underlined that also the valuation of these peptides is not able to certainly anticipate future decline of ovarian reserve, as, similarly to what has been shown in FSH and E2 levels, the modification of Müllerian inhibitory factor levels and, specially, of Inhibin B is associated with an already concomitant and inexorable reduction of the ovarian reserve [15].…”
Section: Discussionmentioning
confidence: 99%
“…There is a strong association between POI and variants in the inhibin-α subunit gene (IHNA) (e.g., G769A missense mutation) in female population in India and New Zealand [66,67]. The INHA G769A mutation, with prevalence from 011% in different population [15], results in normal production of dimeric inhibin A and B, but impaired bioactivity of inhibin B, which may be related to POI development [66]. Low serum inhibin B level has been reported to have association with reproductive aging, diminished ovarian reserve, and POI [6870].…”
Section: Autosomal Poi Genesmentioning
confidence: 99%