dgn-np:NP1009014.RA4g5vksqEhtTdxcXQ_HHI35fGQfeTb-vri8BiaEDBl0Y130_provenance { dgn-np:NP1009014.RA4g5vksqEhtTdxcXQ_HHI35fGQfeTb-vri8BiaEDBl0Y130_assertiondcterms:description "[There are three presumable mechanisms involved in the development of POI, namely apoptosis acceleration, follicular maturation blocking and premature follicle activation, through the following studied causes: (i) chromosomal abnormalities or gene mutations: mostly involve X chromosome, such as FMR1 premutation; more and more potentially causal genes have been screened recently; (ii) metabolic disorders such as classic galactosaemia and 17-OH deficiency; (iii) autoimmune mediated ovarian damage: observed alone or with some certain autoimmune disorders and syndromes; but the specificity and sensitivity of antibodies towards ovary are still questionable; (iv) iatrogenic: radiotherapy or chemotherapy used in cancer treatment, as well as pelvic surgery with potential threat to ovaries' blood supply can directly damage ovarian function; (v) virus infection such as HIV and mumps; (vi) toxins and other environmental/lifestyle factors: cigarette smoking, toxins (e.g., 4-vinylcyclohexene diepoxide), and other environmental factors are associated with the development of POI.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en ; wi:evidencedgn-void:source_evidence_literature ; sio:SIO_000772miriam-pubmed:22932883 ; prov:wasDerivedFromdgn-void:befree-2016 ; prov:wasGeneratedByeco:ECO_0000203 . dgn-void:befree-2016pav:importedOn "2016-02-19"^^xsd:date . dgn-void:source_evidence_literatureaeco:ECO_0000212 ; rdfs:comment "Gene-disease associations inferred from text-mining the literature."@en ; rdfs:label "DisGeNET evidence - LITERATURE"@en . }