Blar i forfatter "Schock, Helena"

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    • Androgens are differentially associated with ovarian cancer subtypes in the Ovarian Cancer Cohort Consortium 

      Ose, Jennifer; Poole, Elizabeth M.; Schock, Helena; Lehtinen, Matti; Arslan, Alan A.; Zeleniuch-Jacquotte, Anne; Visvanathan, Kala; Helzlsouer, Kathy; Buring, Julie E.; Lee, I-Min; Tjønneland, Anne; Dossus, Laure; Trichopoulou, Antonia; Masala, Giovanna; Onland-Moret, N. Charlotte; Weiderpass, Elisabete; Duell, Eric J.; Idahl, Annika; Travis, Ruth C.; Rinaldi, Sabina; Merritt, Melissa A.; Trabert, Britton; Wentzensen, Nicolas; Tworoger, Shelley S.; Kaaks, Rudolf; Fortner, Renée T. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-04-05)
      Invasive epithelial ovarian cancer (EOC) is the most lethal gynecologic malignancy. The etiology of EOC remains elusive; however, experimental and epidemiologic data suggest a role for hormone-related exposures in ovarian carcinogenesis and risk factor differences by histologic phenotypes and developmental pathways. Research on pre-diagnosis androgen concentrations and EOC risk has yielded inconclusive ...

    • Circulating RANKL and RANKL/OPG and breast cancer risk by ER and PR subtype: Results from the EPIC cohort. 

      Sarink, Danja; Schock, Helena; Johnson, Theron; Overvad, Kim; Holm, Marianne; Tjønneland, Anne; Boutron-Ruault, Marie-Christine; His, Mathilde; Kvaskoff, Marina; Boeing, Heiner; Lagiou, Pagona; Papatesta, Eleni-Maria; Trichopoulou, Antonia; Palli, Domenico; Pala, Valeria; Mattiello, Amalia; Tumino, Rosario; Sacerdote, Carlotta; Bueno-De-Mesquita, Hendrik Bastiaan; van Gils, Carla H.; Peeters, Petra H.; Weiderpass, Elisabete; Agudo, Antonio; Sánchez, María-José; Chirlaque, Maria-Dolores; Ardanaz, Eva; Amiano, Pilar; Khaw, Kay Tee; Travis, Ruth; Dossus, Laure; Gunter, Mark; Rinaldi, Sabina; Merritt, Melissa; Riboli, Elio; Kaaks, Rudolf; Fortner, Renée T. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-31)
      Receptor activator of nuclear factor-kappa B (RANK)-RANK ligand (RANKL) signaling promotes mammary tumor development in experimental models. Circulating concentrations of soluble RANKL (sRANKL) may influence breast cancer risk via activation of RANK signaling; this may be modulated by osteoprotegerin (OPG), the decoy receptor for RANKL. sRANKL and breast cancer risk by hormone receptor subtype has ...

    • Correlates of circulating ovarian cancer early detection markers and their contribution to discrimination of early detection models: results from the EPIC cohort 

      Fortner, Renée T.; Vitonis, Allison F.; Schock, Helena; Hüsing, Anika; Johnson, Theron; Fichorova, Raina Nakove; Fashemi, Titilayo; Yamamoto, Hidemi S.; Tjønneland, Anne; Hansen, Louise; Overvad, Kim; Boutron-Ruault, Marie-Christine; Kvaskoff, Marina; Severi, Gianluca; Boeing, Heiner; Trichopoulou, Antonia; Benetou, Vassiliki; La Vecchia, Carlo; Palli, Domenico; Sieri, Sabina; Tumino, Rosario; Matullo, Giuseppe; Mattiello, Amalia; Onland-Moret, N. Charlotte; Peeters, Petra H.; Weiderpass, Elisabete; Gram, Inger Torhild; Jareid, Mie; Quirós, José Ramón; Duell, Eric J.; Sánchez, Mariá-José; Chirlaque, María-Dolores; Ardanaz, Eva; Larrañaga, Nerea; Nodin, Björn; Brändstedt, Jenny; Idahl, Annika; Khaw, Kay-Tee; Allen, Naomi; Gunter, Marc; Johansson, Mattias; Dossus, Laure; Merritt, Melissa A.; Riboli, Elio; Cramer, Daniel W.; Kaaks, Rudolf; Terry, Kathryn L. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-03-20)
      Background: Ovarian cancer early detection markers CA125, CA15.3, HE4, and CA72.4 vary between healthy women, limiting their utility for screening. <br>Methods: We evaluated cross-sectional relationships between lifestyle and reproductive factors and these markers among controls ( n = 1910) from a nested case-control study in the European Prospective Investigation into Cancer and Nutrition ...

    • Insulin-like growth factor I and risk of epithelial invasive ovarian cancer by tumour characteristics: Results from the EPIC cohort 

      Ose, Jennifer; Fortner, Renée T; Schock, Helena; Peeters, Petra H.; Onland-Moret, N. Charlotte; Bueno-de-Mesquita, H. Bas; Weiderpass, Elisabete; Gram, Inger Torhild; Overvad, Kim; Tjønneland, Anne; Dossus, Laure; Fournier, Agnes; Baglietto, Laura; Trichopoulou, Antonia; Benetou, Vassiliki; Trichopoulos, Dimitrios; Boeing, Heiner; Masala, Giovanna; Krogh, Vittorio; Matiello, Amalia; Tumino, Rosaria; Popovic, Maja; Obón-Santacana, Mireia; Larrañaga, Nerea; Ardanaz, Eva; Sánchez, María-José; Menéndez, Virginia; Chirlaque, María-Dolores; Travis, Ruth C.; Khaw, Kay-Tee; Brändstedt, Jenny; Idahl, Annika; Lundin, Eva; Rinaldi, Sabina; Kuhn, Elisabetta; Romieu, Isabelle; Gunter, Marc J.; Merritt, Melissa A.; Riboli, Elio; Kaaks, Rudolf (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-11-04)
      Background: Prospective studies on insulin-like growth factor I (IGF-I) and epithelial ovarian cancer (EOC) risk are inconclusive. Data suggest risk associations vary by tumour characteristics.<p> <p>Methods: We conducted a nested case–control study in the European Prospective Investigation into Cancer and Nutrition (EPIC) to evaluate IGF-I concentrations and EOC risk by tumour characteristics ...

    • Osteoprotegerin and breast cancer risk by hormone receptor subtype: A nested case-control study in the EPIC cohort 

      Fortner, Renée T.; Sarink, Danja; Schock, Helena; Johnson, Theron; Tjønneland, Anne; Olsen, Anja; Overvad, Kim; Affret, Aurelie; His, Mathilde; Boutron-Ruault, Marie-Christine; Boeing, Heiner; Trichopoulou, Antonia; Naska, Androniki; Orfanos, Philippos; Palli, Domenico; Sieri, Sabina; Mattiello, Amalia; Tumino, Rosario; Ricceri, Fulvio; Bueno-De-Mesquita, Hendrik Bastiaan; Peeters, Petra H.M.; van Gils, Carla H.; Weiderpass, Elisabete; Lund, Eiliv; Quirós, J. Ramón; Agudo, Antonio; Sánchez, María-José; Chirlaque, María-Dolores; Ardanaz, Eva; Dorronsoro, Miren; Key, Tim; Khaw, Kay-Tee; Rinaldi, Sabina; Dossus, Laure; Gunter, Marc; Merritt, Melissa A.; Riboli, Elio; Kaaks, Rudolf (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-02-08)
      Background:<br>Circulating osteoprotegerin (OPG), a member of the receptor activator of nuclear factor kappa-B (RANK) axis, may influence breast cancer risk via its role as the decoy receptor for both the RANK ligand (RANKL) and tumor necrosis factor-related apoptosis-inducing ligand (TRAIL). Circulating OPG and breast cancer risk has been examined in only one prior study.<br>Methods:<br>A case-control ...

    • Pre-diagnosis insulin-like growth factor-I and risk of epithelial invasive ovarian cancer by histological subtypes: A collaborative re-analysis from the Ovarian Cancer Cohort Consortium 

      Ose, Jennifer; Schock, Helena; Poole, Elizabeth M.; Lehtinen, Matti; Visvanathan, Kala; Helzlsouer, Kathy; Buring, Julie E.; Lee, I-Min; Tjønneland, Anne; Boutron-Ruault, Marie-Christine; Trichopoulou, Antonia; Mattiello, Amalia; Onland-Moret, N. Charlotte; Weiderpass, Elisabete; Sánchez, María-José; Idahl, Annika; Travis, Ruth C.; Rinaldi, Sabina; Merritt, Melissa A.; Wentzensen, Nicolas; Tworoger, Shelley S.; Kaaks, Rudolf; Fortner, Renée T. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-02-16)
      Purpose: <br>Biologic evidence suggests that the Insulin-like growth factor (IGF)-family may be involved in the etiology of epithelial invasive ovarian cancer (EOC). However, prospective studies investigating the role of IGF-I in ovarian carcinogenesis have yielded conflicting results.<br> Methods: <br>We pooled and harmonized data from 6 case-control studies nested within the Ovarian Cancer ...

    • Receptor activator of nuclear factor kB ligand, osteoprotegerin, and risk of death following a breast cancer diagnosis: results from the EPIC cohort 

      Sarink, Danja; Schock, Helena; Johnson, Theron; Chang-Claude, Jenny; Overvad, Kim; Olsen, Anja; Tjønneland, Anne; Arveux, Patrick; Fournier, Agnès; Kvaskoff, Marina; Boeing, Heiner; Karakatsani, Anna; Trichopoulou, Antonia; La Vecchia, Carlo; Masala, Giovanna; Agnoli, Claudia; Panico, Salvatore; Tumino, Rosario; Sacerdote, Carlotta; van Gils, Carla H.; Peeters, Petra H.M.; Weiderpass, Elisabete; Agudo, Antonio; Rodríguez-Barranco, Miguel; Huerta, José María; Ardanaz, Eva; Gil, Leire; Kaw, Kay Tee; Schmidt, Julie A.; Dossus, Laure; His, Mathilde; Aune, Dagfinn; Riboli, Elio; Kaaks, Rudolf; Fortner, Renée T. (Journal article; Peer reviewed, 2018-10-22)
      <b>Background</b><br> Receptor activator of nuclear factor kappa-B (RANK)-signaling is involved in tumor growth and spread in experimental models. Binding of RANK ligand (RANKL) to RANK activates signaling, which is inhibited by osteoprotegerin (OPG). We have previously shown that circulating soluble RANKL (sRANKL) and OPG are associated with breast cancer risk. Here we extend these findings to ...