Search Results

You are looking at 71 - 80 of 452 items for :

  • estrogen and progesterone x
  • Refine by Access: All content x
Clear All
Free access

A J Conley, E L Scholtz, E L Legacki, C J Corbin, H K Knych, G D Dujovne, B A Ball, B C Moeller, and S D Stanley

, the cyclic fluctuations in androgens and estrogens reported previously are below the level of detection and quantitation of the steroid analytical method employed here. For instance, both androstenedione (~0.4 ng/mL) and 17αOH-progesterone (~4 ng

Free access

Judith L Turgeon and Dennis W Waring

regulation, estrogen increases PR protein in both rat and mouse pituitary cells ( Evans et al. 1978 , Attardi & Palumbo 1981 , Krey et al. 1990 , Turgeon & Waring 2000 ), while progesterone leads to a dramatic decrease in PR immunoreactivity in the rat

Free access

Jorge Diaz, Evelyn Aranda, Soledad Henriquez, Marisol Quezada, Estefanía Espinoza, Maria Loreto Bravo, Bárbara Oliva, Soledad Lange, Manuel Villalon, Marius Jones, Jan J Brosens, Sumie Kato, Mauricio A Cuello, Todd P Knutson, Carol A Lange, Lisette Leyton, and Gareth I Owen

hormone or epidermal growth factor (EGF) treatment. The steroid hormones progesterone or estrogen (17β-estradiol (E 2 ), (both Sigma–Aldrich)) were dissolved in ethanol and added to the cells, at a final concentration of 10 nM. R5020 was purchased from NEN

Free access

Cleyde Vanessa Vega Helena, Maristela de Oliveira Poletini, Gilberto Luiz Sanvitto, Shinji Hayashi, Celso Rodrigues Franci, and Janete Aparecida Anselmo-Franci

progestin receptor mRNA in rat brainstem. Brain Research. Gene Expression Patterns 1 151 –157. Everett JW 1948 Progesterone and estrogen in the experimental control of ovulation time and other features of estrous cycle in

Free access

Virginia Rider, Kazuto Isuzugawa, Meryl Twarog, Stacy Jones, Brent Cameron, Kazuhiko Imakawa, and Jianwen Fang

transduction prevents implantation in the mouse ( Mohamed et al. 2005 ), and down-regulates estrogen-dependent β-catenin expression ( Hou et al. 2004 ). Progesterone pretreatment of ovariectomized rat uteri increases the number of synchronously

Free access

V A Nunes, E P Portioli-Sanches, M P Rosim, M S Araujo, P Praxedes-Garcia, M M R Valle, L P Roma, C Hahn, E Gurgul-Convey, S Lenzen, and A K Azevedo-Martins

.1038/sj.cdd.4401373 ) Pasanen S Ylikomi T Syvälä H Tuohimaa P 1997 Distribution of progesterone receptor in chicken: novel target organs for progesterone and estrogen action . Molecular and Cellular Endocrinology 135 79 – 91 . ( doi:10

Open access

Virginia Rider, Alex Talbott, Anuradha Bhusri, Zach Krumsick, Sierra Foster, Joshua Wormington, and Bruce F Kimler

Introduction In adult female mammals, the uterus undergoes remodeling with a regular cyclicity under the control of the sex hormones, progesterone and estradiol ( Bell 1983 , Pawar et al . 2014 ). In the rodent uterus, estradiol stimulates

Open access

Ya-Li Yang, Li-Rong Ren, Li-Feng Sun, Chen Huang, Tian-Xia Xiao, Bao-Bei Wang, Jie Chen, Brian A Zabel, Peigen Ren, and Jian V Zhang

. Discussion Follicular development directly influences the number of ova and ovarian endocrine functions, such as secretion of steroid hormones (estrogen, progesterone, and testosterone) ( Su & Eppig 2002 ). Theca cells, granulosa cells, and oocytes are the

Free access

Robert T Chatterton Jr, Esnar T Mateo, Nanjiang Hou, Alfred W Rademaker, Simbi Acharya, V Craig Jordan, and Monica Morrow

assessing changes throughout the menstrual cycle, and allows reliable identification of the date of ovulation. We have adapted radioimmunoassys for the direct measurement of oestradiol (OE2) and progesterone in saliva, and have previously reported on the

Free access

Robert T Chatterton Jr, JoAnne Zujewski, Esnar T Mateo, Jennifer Eng-Wong, and V Craig Jordan

in the premenopausal women, so this population was excluded from the STAR trial. In an earlier report, we used a salivary assay to monitor oestradiol and progesterone throughout the menstrual cycle ( Chatterton et al. 2005 ). The monitoring