Tetrahydrogestrinone (THG) was recently identified as a novel steroid used illicitly to improve athletic performance. Although its structure is closely related to gestrinone, a 19-nor progestin, and resembles that of trenbolone, THG was never marketed, so information on its hormonal properties is not known. In this study, we demonstrate that THG is a highly potent androgen and progestin in a yeast-based in vitro bioassay system expressing human androgen and progesterone receptors. It has no estrogenic activity and no antagonism for any of the three steroid receptor classes.
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http://dx.doi.org/10.1210/jc.2004-0033 | DOI Listing |
Anal Biochem
December 2024
Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Penang, Malaysia. Electronic address:
Progesterone receptor is one of the markers used in antibody-based immunohistochemistry for the diagnostics of breast cancer. The shortcomings of antibodies raise the need to focus on alternative molecular recognition. Aptamers are chosen due to their many advantages as compared to antibodies.
View Article and Find Full Text PDFExpert Rev Anticancer Ther
December 2024
Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Italy.
Introduction: Prostate cancer (PCa) is the second most common cancer diagnosis among men worldwide, with poor prognosis in its advanced stage. Treatment strategies have evolved, including the use of androgen receptor pathway inhibitors (ARPIs) and poly (ADP-ribose) polymerase inhibitors (PARPis).
Areas Covered: This review evaluates the clinical efficacy, safety, and future potential of combining talazoparib, a potent PARPi, with enzalutamide, a strong androgen receptor (AR) antagonist.
Supraphysiological androgen (SPA) treatment can paradoxically restrict growth of castration-resistant prostate cancer with high androgen receptor (AR) activity, which is the basis for use of Bipolar Androgen Therapy (BAT) for patients with this disease. While androgens are widely appreciated to enhance anabolic metabolism, how SPA-mediated metabolic changes alter prostate cancer progression and therapy response is unknown. Here, we report that SPA markedly increased intracellular and secreted polyamines in prostate cancer models.
View Article and Find Full Text PDFNat Commun
December 2024
Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA.
Genome Integr
July 2024
inDNA Centre for Research and Innovation in Molecular Diagnostics, inDNA Life Sciences Private Limited, Bhubaneswar, Odisha, India.
Breast cancer (BC) recurrence is a major concern for both patients and healthcare providers. Accurately predicting the risk of BC recurrence can help guide treatment decisions and improve patient outcomes for a disease-free survival. There are several approaches and models that have been developed to predict BC recurrence risk.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!