• Alterations of the retinoblastoma gene in metastatic breast cancer 

      Berge, Elisabet Ognedal; Knappskog, Stian; Lillehaug, Johan; Lønning, Per Eystein (Peer reviewed; Journal article, 2011-01-21)
      Germline mutations affecting the retinoblastoma gene (RB1) predispose to inherited retinoblastomas but also other malignancies, including breast cancer. While somatic RB1 mutations have been detected in different malignancies, ...
    • Estradiol measurement in translational studies of breast cancer 

      Lønning, Per Eystein (Peer reviewed; Journal article, 2015-07)
      Plasma estrogen measurement with use of radioimmunoassays has been instrumental in the development of aromatase inhibitors for endocrine therapy of postmenopausal breast cancer. However, due to low plasma estrogen ...
    • The MDM4 SNP34091 (rs4245739) C-allele is associated with increased risk of ovarian—but not endometrial cancer 

      Gansmo, Liv Beathe; Bjørnslett, Merete Pauline; Halle, Mari Kyllesø; Salvesen, Helga Birgitte; Dørum, Anne; Birkeland, Einar Elvbakken; Hveem, Kristian; Romundstad, Pål Richard; Vatten, Lars Johan; Lønning, Per Eystein; Knappskog, Stian (Peer reviewed; Journal article, 2016-02-11)
      The MDM4 protein (also known as MDMX or HDMX) is a negative regulator of p53, not only by direct interaction but also through its interaction with MDM2. Further, MDM4 overexpression and amplification have been observed in ...