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Corina Verónica Sasso Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Flavia Eliana Santiano Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina
Universidad de Mendoza, Mendoza, Argentina

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Fiorella Campo Verde Arboccó Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina
Universidad de Mendoza, Mendoza, Argentina

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Leila Ester Zyla Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Silvana Noemí Semino Hospital Universitario, Universidad Nacional de Cuyo, Mendoza, Argentina

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Martin Eduardo Guerrero-Gimenez Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Virginia Pistone Creydt Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Constanza Matilde López Fontana Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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Rubén Walter Carón Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), CCT-Mendoza CONICET, Mendoza, Argentina

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should also consider progesterone (P4) as another of the ovarian steroids involved in this disease. There are some studies reporting the absence of the expression of progesterone receptor (PR) in colon tumors and no effect of progestins on carcinogenesis

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-18-0374
Volume/Issue:
Volume 8: Issue 3
Open access
Brendan J Nolan Department of Endocrinology, Austin Health, Heidelberg, Victoria, Australia
Department of Medicine (Austin Health), University of Melbourne, Heidelberg, Victoria, Australia

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Aviva S Frydman Department of Endocrinology, Austin Health, Heidelberg, Victoria, Australia

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Shalem Y Leemaqz College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia

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Meg Carroll Department of Medicine (Austin Health), University of Melbourne, Heidelberg, Victoria, Australia

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Mathis Grossmann Department of Endocrinology, Austin Health, Heidelberg, Victoria, Australia
Department of Medicine (Austin Health), University of Melbourne, Heidelberg, Victoria, Australia

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Jeffrey D Zajac Department of Endocrinology, Austin Health, Heidelberg, Victoria, Australia
Department of Medicine (Austin Health), University of Melbourne, Heidelberg, Victoria, Australia

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Ada S Cheung Department of Endocrinology, Austin Health, Heidelberg, Victoria, Australia
Department of Medicine (Austin Health), University of Melbourne, Heidelberg, Victoria, Australia

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development of physical characteristics that align with their gender identity and improves mental health ( 1 ). There has been an ongoing debate regarding the inclusion of progesterone in feminising hormone therapy regimens. Some suggest progesterone may aid

Article Type:
Research Article
Collections:
Reproduction
DOI:
https://doi.org/10.1530/EC-22-0170
Volume/Issue:
Volume 11: Issue 5
Open access
A Rehfeld Department of Growth and Reproduction, Copenhagen University Hospital, Rigshospitalet, Denmark
Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), University of Copenhagen, Rigshospitalet, Denmark

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D L Egeberg Department of Growth and Reproduction, Copenhagen University Hospital, Rigshospitalet, Denmark
International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), University of Copenhagen, Rigshospitalet, Denmark

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K Almstrup Department of Growth and Reproduction, Copenhagen University Hospital, Rigshospitalet, Denmark
International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), University of Copenhagen, Rigshospitalet, Denmark

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J H Petersen Department of Growth and Reproduction, Copenhagen University Hospital, Rigshospitalet, Denmark
International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), University of Copenhagen, Rigshospitalet, Denmark
Department of Biostatistics, University of Copenhagen, Copenhagen, Denmark

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S Dissing Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark

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N E Skakkebæk Department of Growth and Reproduction, Copenhagen University Hospital, Rigshospitalet, Denmark
International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), University of Copenhagen, Rigshospitalet, Denmark

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-mediated Ca 2+ influx ( 9 ). CatSper is activated by the natural ligands progesterone and prostaglandins ( 10 , 11 ), which lead to a rapid Ca 2+ influx into the sperm cell. The cumulus cells surrounding the egg release progesterone and the progesterone

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0156
Volume/Issue:
Volume 7: Issue 1
Open access
Jordyn Silverstein Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA

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Wesley Kidder Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, California, USA

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Susan Fisher Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, California, USA

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Thomas A Hope Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA

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Samantha Maisel Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA

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Dianna Ng Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Department of Pathology, University of California, San Francisco, California, USA

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Jessica Van Ziffle Department of Pathology, University of California, San Francisco, California, USA

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Chloe E Atreya Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, California, USA

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Katherine Van Loon Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA
Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, California, USA

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studies have sought to evaluate the expression of estrogen receptors (ERs) and progesterone receptors (PRs) in colorectal tumor cells, results have been mixed. Earlier studies reported that 20–90% of CRC tumors express ER and PR ( 19 , 20 , 21 ); however

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0063
Volume/Issue:
Volume 8: Issue 8
Open access
Anne M Drewes University of Aarhus, Aarhus C, Denmark

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Maria E Møller The Danish Cancer Society, Denmark (Kræftens Bekæmpelse), København Ø, Denmark

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Rasmus Hertzum-Larsen The Danish Cancer Society, Denmark (Kræftens Bekæmpelse), København Ø, Denmark

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Gerda Engholm The Danish Cancer Society, Denmark (Kræftens Bekæmpelse), København Ø, Denmark

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Hans H Storm The Danish Cancer Society, Denmark (Kræftens Bekæmpelse), København Ø, Denmark

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increased risk of brain tumour in premenopausal women with breast cancer and a protective effect in postmenopausal women, hormonal levels (oestrogen and progesterone) could possibly have a role in the risk for developing a second primary brain tumour

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0498
Volume/Issue:
Volume 9: Issue 1
Open access
Arpna Sharma Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Vijay Simha Baddela Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Frank Becker Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Dirk Dannenberger Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Torsten Viergutz Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Jens Vanselow Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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the test groups with highest fatty acid concentrations. Steroid hormone estimation Concentrations of 17β-estradiol (E2) and progesterone (P4) in the conditioned media were determined by competitive 3H radioimmunoassay (RIA) with rabbit

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0011
Volume/Issue:
Volume 8: Issue 5
Open access
Elizabeth Micks Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA

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Greta B Raglan Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA

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Jay Schulkin Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA
Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA

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Introduction Progesterone, progestins, and progestogens Progesterone is a C-21 steroid hormone first identified and characterized by Willard Myron Allen in 1933. C-21 steroid hormones contain 21 carbons and are also referred to as pregnanes. This

Article Type:
Review Article
DOI:
https://doi.org/10.1530/EC-15-0093
Volume/Issue:
Volume 4: Issue 4
Open access
Katarzyna Wyskida Health Promotion and Obesity Management Unit, Department of Pathophysiology, Medical Faculty of Silesia in Katowice, Medical University of Silesia, Katowice, Poland

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Grzegorz Franik Department of Gynecological Endocrinology, Medical Faculty of Silesia in Katowice, Medical University of Silesia, Katowice, Poland

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Tomasz Wikarek Department of Gynecology, Medical Faculty of Silesia in Katowice, Medical University of Silesia, Katowice, Poland

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Aleksander Owczarek Department of Statistics, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Katowice, Poland

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Alham Delroba Health Promotion and Obesity Management Unit, Department of Pathophysiology, Medical Faculty of Silesia in Katowice, Medical University of Silesia, Katowice, Poland

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Jerzy Chudek Pathophysiology Unit, Department of Pathophysiology, Medical Faculty of Silesia in Katowice, Medical University of Silesia, Katowice, Poland

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Jerzy Sikora Department of Perinatology and Gynecology, Medical University of Silesia, Katowice, Poland

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Magdalena Olszanecka-Glinianowicz Health Promotion and Obesity Management Unit, Department of Pathophysiology, Medical Faculty of Silesia in Katowice, Medical University of Silesia, Katowice, Poland

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the menstrual cycle in both ovulatory and anovulatory women. Additionally, in some ( 13 ), but not in other studies ( 14 ), the association between changes in plasma leptin levels and variations of both estradiol and progesterone release were observed

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0186
Volume/Issue:
Volume 6: Issue 8
Open access
Kerry V Fanson Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia
Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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Tamara Keeley Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia
Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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Benjamin G Fanson Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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( Elephas maximus ). In concert with progesterone data, we present an extensive examination of cortisol patterns across the estrous cycle in both parous and nulliparous females ( Table 1 ). First, we characterized the broad patterns of cortisol expression

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-14-0025
Volume/Issue:
Volume 3: Issue 2
Open access
David Mark Robertson Department of Molecular and Translational Sciences, Hudson Institute of Medical Research, Monash University, Clayton, Victoria, Australia
School of Women’s & Children’s Health, Discipline of Obstetrics and Gynaecology, University of New South Wales, Sydney, Australia

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Chel Hee Lee Clinical Research Support Unit, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

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Angela Baerwald Department of Obstetrics, Gynecology & Reproductive Sciences, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

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). The key ovarian factors believed responsible are the steroids, oestradiol and progesterone, and the protein hormones, inhibin A and B. However, their respective roles are not clearly understood. In a previous study (( 2 ), and ( 3 ) designated in

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-16-0077
Volume/Issue:
Volume 5: Issue 6
Open access