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Pre-diagnostic plasma testosterone, sex hormone binding globulin, IGF-I and hepatocellular carcinoma: etiological factors or risk markers?
Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap, Patologi. Division of Cancer Epidemiology, German Cancer Research Centre, Heidelberg, Germany.
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2014 (Engelska)Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 134, nr 1, s. 164-173Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Elevated pre-diagnostic testosterone and insulin-like growth factor-I (IGF-I) concentrations have been proposed to increase risk of hepatocellular carcinoma (HCC). However, the metabolism of these hormones is altered as a consequence of liver damage and they may have clinical utility as HCC risk markers. A case-control study was nested within the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort and included 125 incident HCC cases and 247 individually matched controls. Testosterone, sex hormone binding globulin (SHBG) and IGF-I were analyzed by immunoassays. Odds ratios (OR) and 95% confidence intervals (CI) were estimated by conditional logistic regression. The area under the receiver operating curves (AUC) was calculated to assess HCC predictive ability of the tested models. After adjustments for epidemiological variables (body mass index, smoking, ethanol intake, hepatitis and diabetes) and liver damage (a score based on albumin, bilirubin, aspartate aminotransaminase, alanine aminotransaminase, gamma-glutamyltransferase and alkaline phosphatase concentrations), only SHBG remained significantly associated with risk (OR for top versus bottom tertile of 3.86 (1.32-11.3), ptrend =0.009). As a single factor SHBG had an AUC of 0.81 (0.75-0.86). A small, but significant increase in AUC was observed when SHBG was added to a model including the liver damage score and epidemiological variables (from 0.89 to 0.91, p=0.02) and a net reclassification of 0.47% (0.45-0.48). The observed associations of HCC with pre-diagnostic SHBG, free testosterone and IGF-I concentrations are in directions opposite to that expected under the etiological hypotheses. SHBG has a potential to be tested as pre-diagnostic risk marker for HCC.

Ort, förlag, år, upplaga, sidor
Wiley-Blackwell, 2014. Vol. 134, nr 1, s. 164-173
Nyckelord [en]
hepatocellular carcinoma, testosterone, sex hormone-binding globulin, insulin-like growth factor I, prospective study, EPIC
Nationell ämneskategori
Cancer och onkologi Kirurgi
Identifikatorer
URN: urn:nbn:se:umu:diva-76677DOI: 10.1002/ijc.28342ISI: 000325982000017PubMedID: 23801371OAI: oai:DiVA.org:umu-76677DiVA, id: diva2:636347
Tillgänglig från: 2013-07-09 Skapad: 2013-07-09 Senast uppdaterad: 2018-06-08Bibliografiskt granskad

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Lukanova, AnnekatrinWerner, MårtenSund, Malin

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