Blar i forfatter "Krum-Hansen, Sanda"

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    • Adiposity, hormone replacement therapy use and breast cancer risk by age and hormone receptor status: a large prospective cohort study 

      Ritte, Rebecca; Lukanova, Annekatrin; Berrino, Franco; Dossus, Laure; Tjønneland, Anne; Olsen, Anja; Overvad, Thure F.; Overvad, Kim; Clavel-Chapelon, Françoise; Fournier, Agnes; Fagherazzi, Guy; Rohrmann, Sabine; Teucher, Birgit; Boeing, Heiner; Aleksandrova, Krasimira; Trichopoulou, Antonia; Lagiou, Pagona; Trichopoulos, Dimitrios; Palli, Domenico; Sieri, Sabina; Panico, Salvatore; Tumino, Rosario; Vineis, Paolo; Quiros, Jose R; Buckland, Genevieve; Sanchez, Maria-José; Amiano, Pilar; Chirlaque, María Dolores; Ardanaz, Eva; Sund, Malin; Lenner, Per; Bueno-de-Mesquita, Bas; van Gils, Carla H.; Peeters, Petra H.M.; Krum-Hansen, Sanda; Gram, Inger Torhild; Lund, Eiliv; Khaw, Kay-Tee; Wareham, Nick; Allen, Naomi E.; Key, Timothy J.; Romieu, Isabelle; Rinaldi, Sabina; Siddiq, Afshan; Cox, David; Riboli, Elio; Kaaks, Rudolf (Journal article; Tidsskriftartikkel; Peer reviewed, 2012-05-14)
      Introduction: Associations of hormone-receptor positive breast cancer with excess adiposity are reasonably well characterized; however, uncertainty remains regarding the association of body mass index (BMI) with hormonereceptor negative malignancies, and possible interactions by hormone replacement therapy (HRT) use. Methods: Within the European EPIC cohort, Cox proportional hazards models were used ...

    • Associations of breast cancer related exposures and gene expression profiles in normal breast tissue - The Norwegian Women and Cancer normal breast tissue study 

      Krum-Hansen, Sanda; Standahl-Olsen, Karina; Anderssen, Endre; Frantzen, Jan Ole; Lund, Eiliv; Paulssen, Ruth H (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-08)
      Background Normal breast tissue is utilized in tissue-based studies of breast carcinogenesis. While gene expression in breast tumor tissue is well explored, our knowledge of transcriptomic signatures in normal breast tissue is still incomplete. The aim of this study was to investigate variability of gene expression in a large sample of normal breast tissue biopsies, according to breast cancer related ...

    • Expression of adenylyl cyclase subtypes in endocrine pancreatic cell lines 

      Krum-Hansen, Sanda (Master thesis; Mastergradsoppgave, 2003-09)

    • Practical and Ethical Issues in Establishing a Collection of Normal Breast Tissue Biopsies—Part of the NOWAC Post-Genome Cohort 

      Krum-Hansen, Sanda; Olsen, Karina Standahl (Chapter; Bokkapittel, 2020)
      For tissue-based studies of breast cancer, getting access to truly normal, well-annotated tissue can be a challenge. To address that need, we collected 368 breast tissue biopsies and buffered blood samples from healthy postmenopausal women. Volunteers were part of the Norwegian Women and Cancer (NOWAC) Postgenome cohort, recruited through the national mammography screening program. The NOWAC normal ...

    • A Systems Epidemiology Approach to Breast Cancer and Parity. The Norwegian Women and Cancer (NOWAC) Study 

      Krum-Hansen, Sanda (Doctoral thesis; Doktorgradsavhandling, 2024-04-04)
      The incidence and prevalence of breast cancer (BC) are increasing worldwide. The reasons for this trend are partly unknown. BC has several well documented modifiable and non-modifiable risk factors. The only known, natural protective factors are breastfeeding and parity. The current paradigm is that the protective effect of parity is mediated by permanent genomic changes in a woman’s breast tissue ...