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  • Schock, Helena,1984-Umeå universitet,Patologi,German Cancer Research Center, Heidelberg (författare)

Early pregnancy IGF-I and placental GH and risk of epithelial ovarian cancer : A nested case-control study

  • Artikel/kapitelEngelska2015

Förlag, utgivningsår, omfång ...

  • 2014-12-17
  • John Wiley & Sons,2015
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-102011
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-102011URI
  • https://doi.org/10.1002/ijc.29387DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Article first published online: 17 DEC 2014
  • Insulin-like growth factor-I (IGF-I) signaling may promote ovarian tumor development by exerting mitotic, antiapoptotic and proangiogenic effects. During pregnancy, maternal production of IGF-I is regulated by placental growth hormone (GH). Parity is an established protective factor for ovarian cancer, however, no prior study has evaluated placental GH and IGF-I in pregnancy and epithelial ovarian cancer (EOC). Prior prospective studies on the association between IGF-I and EOC in nonpregnant populations were inconclusive and did not address associations in subtypes of EOC. Among members of the Finnish Maternity Cohort and the Northern Sweden Maternity Cohort, we identified 1,045 EOC cases, diagnosed after recruitment (1975-2008) and before March 2011 and 2,658 individually matched controls. Placental GH and IGF-I were measured in serum from the last pregnancy before EOC diagnosis or selection as control. We used conditional logistic regression to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for tertiles and a doubling of hormone concentrations. Higher IGF-I was associated with a nonsignificant decrease in risk for invasive [ORT3 vs. T1 : 0.79 (0.62-1.02); ptrend  = 0.07] and endometrioid tumors [ORT3 vs. T1 : 0.55 (0.28-1.07); ptrend  = 0.07]. The protective association between higher IGF-I levels and risk of invasive EOC was stronger in analyses limited to women aged <55 years at diagnosis [ORT3 vs. T1 : 0.74 (0.57-0.96); ptrend  = 0.03]. Our study provides the first data on placental GH and IGF-I in pregnancy and EOC risk overall and by subtype. Our data suggest higher IGF-I levels in pregnancy may be associated with lower risk of invasive and endometrioid EOC.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Fortner, Renée TGerman Cancer Research Center, Heidelberg (författare)
  • Surcel, Heljä-MarjaNational Institute for Health and Welfare, Oulu, Finland (författare)
  • Grankvist, Kjell,1954-Umeå universitet,Enheten för biobanksforskning,Klinisk kemi(Swepub:umu)kjgr0002 (författare)
  • Pukkala, EeroSchool of Public Health, University of Tampere, Finland (författare)
  • Lehtinen, MattiSchool of Public Health, University of Tampere, Finland (författare)
  • Lundin, Eva,1955-Umeå universitet,Patologi(Swepub:umu)evlu0001 (författare)
  • Umeå universitetPatologi (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:International Journal of Cancer: John Wiley & Sons137:2, s. 439-4470020-71361097-0215

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