Search Results

You are looking at 1 - 10 of 132 items for :

  • "progesterone" x
Clear All
Open access

Estradiol and progesterone regulate proliferation and apoptosis in colon cancer

Corina Verónica Sasso, Flavia Eliana Santiano, Fiorella Campo Verde Arboccó, Leila Ester Zyla, Silvana Noemí Semino, Martin Eduardo Guerrero-Gimenez, Virginia Pistone Creydt, Constanza Matilde López Fontana, and Rubén Walter Carón

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

Open access

Effects of low-dose oral micronised progesterone on sleep, psychological distress, and breast development in transgender individuals undergoing feminising hormone therapy: a prospective controlled study

Brendan J Nolan, Aviva S Frydman, Shalem Y Leemaqz, Meg Carroll, Mathis Grossmann, Jeffrey D Zajac, and Ada S Cheung

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

Open access

EDC IMPACT: Chemical UV filters can affect human sperm function in a progesterone-like manner

A Rehfeld, D L Egeberg, K Almstrup, J H Petersen, S Dissing, and N E Skakkebæk

-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

Open access

Hormone receptor expression of colorectal cancer diagnosed during the peri-partum period

Jordyn Silverstein, Wesley Kidder, Susan Fisher, Thomas A Hope, Samantha Maisel, Dianna Ng, Jessica Van Ziffle, Chloe E Atreya, and Katherine Van Loon

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

Open access

Risk of primary brain tumour after breast cancer

Anne M Drewes, Maria E Møller, Rasmus Hertzum-Larsen, Gerda Engholm, and Hans H Storm

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

Open access

Elevated free fatty acids affect bovine granulosa cell function: a molecular cue for compromised reproduction during negative energy balance

Arpna Sharma, Vijay Simha Baddela, Frank Becker, Dirk Dannenberger, Torsten Viergutz, and Jens Vanselow

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

Open access

Bridging progestogens in pregnancy and pregnancy prevention

Elizabeth Micks, Greta B Raglan, and Jay Schulkin

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

Open access

The levels of adipokines in relation to hormonal changes during the menstrual cycle in young, normal-weight women

Katarzyna Wyskida, Grzegorz Franik, Tomasz Wikarek, Aleksander Owczarek, Alham Delroba, Jerzy Chudek, Jerzy Sikora, and Magdalena Olszanecka-Glinianowicz

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

Open access

Cyclic changes in cortisol across the estrous cycle in parous and nulliparous Asian elephants

Kerry V Fanson, Tamara Keeley, and Benjamin G Fanson

( 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

Open access

Interrelationships among reproductive hormones and antral follicle count in human menstrual cycles

David Mark Robertson, Chel Hee Lee, and Angela Baerwald

). 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