Results 31 to 40 of about 2,548,577 (237)

Leptin receptor in the chicken ovary: potential involvement in ovarian dysfunction of ad libitum-fed broiler breeder hens [PDF]

open access: yes, 2004
In hens, the ovarian follicles committed to ovulation are arranged in an ordered follicular hierarchy. In standard broiler breeders hens genetically selected for high growth rate the reproductive function is clearly dysfunctional.
Cassy, Sandrine   +5 more
core   +3 more sources

Progesterone receptor ligands for the treatment of endometriosis: the mechanisms behind therapeutic success and failure

open access: yesHuman Reproduction Update, 2020
BACKGROUND Despite intense research, it remains intriguing why hormonal therapies in general and progestins in particular sometimes fail in endometriosis.
F. Reis   +5 more
semanticscholar   +1 more source

Steroids, Pregnancy and Fetal Development

open access: yesFrontiers in Immunology, 2020
Maternal glucocorticoids critically rise during pregnancy reaching up to a 20-fold increase of mid-pregnancy concentrations. Concurrently, another steroid hormone, progesterone, increases.
Maria Emilia Solano, Petra Clara Arck
doaj   +1 more source

Membrane Progesterone Receptors (mPRs/PAQRs) Are Going beyond Its Initial Definitions

open access: yesMembranes, 2023
Progesterone (PRG) is a key cyclical reproductive hormone that has a significant impact on female organs in vertebrates. It is mainly produced by the corpus luteum of the ovaries, but can also be generated from other sources such as the adrenal cortex ...
Justin Aickareth   +4 more
doaj   +1 more source

Intraocular Metastases Secondary to Breast Carcinoma Correlates With Upregulation of Estrogen and Progesterone Receptor Expression in the Primary Tumor [PDF]

open access: yes, 2016
To compare estrogen (ER), progesterone (PR), and human epidermal growth factor-2 (HER2) receptor expression in the primary tumor of patients affected by choroidal metastases from breast carcinoma (BC) versus those with extraocular ...
Frizziero, Luisa   +7 more
core   +1 more source

Progesterone in the Brain: Hormone, Neurosteroid and Neuroprotectant

open access: yesInternational Journal of Molecular Sciences, 2020
Progesterone has a broad spectrum of actions in the brain. Among these, the neuroprotective effects are well documented. Progesterone neural effects are mediated by multiple signaling pathways involving binding to specific receptors (intracellular ...
R. Guennoun
semanticscholar   +1 more source

The Association between Vitamin D Receptor Expression and Prolonged Overall Survival in Breast Cancer. [PDF]

open access: yes, 2012
Summary In this study, we analyzed vitamin D receptor (VDR) expression and survival in a breast cancer patient cohort of 82 breast cancer patients. Immunohistochemical analysis was possible in 91.5% of the patients (75/82). Staining was evaluated using
Berger U   +13 more
core   +2 more sources

Abiraterone Treatment in Castration-Resistant Prostate Cancer Selects for Progesterone Responsive Mutant Androgen Receptors

open access: yesClinical Cancer Research, 2014
Purpose: The CYP17A1 inhibitor abiraterone markedly reduces androgen precursors and is thereby effective in castration-resistant prostate cancer (CRPC). However, abiraterone increases progesterone, which can activate certain mutant androgen receptors (AR)
Eddy J. Chen   +16 more
semanticscholar   +1 more source

Thyroxine-binding globulin: investigation of microheterogeneity [PDF]

open access: yes, 1981
Preparations of T4-binding globulin (TBG) from human serum was performed using only two affinity chromatography steps. Purity of the protein was demonstrated by a single band in overloaded disc and sodium dodecyl sulfate electrophoresis, equimolar ...
Gärtner, Roland   +4 more
core   +1 more source

The Serine/Threonine Protein Kinase (Akt)/ Protein Kinase B (PkB) Signaling Pathway in Breast Cancer [PDF]

open access: yes, 2020
According to statistical data published in 2019, breast cancer is among the leading causes of death in women worldwide. The serine/threonine kinase (AKT) or protein kinase B (PkB) signaling pathway is activated by phosphorylation processes, which further
Bratu, Ovidiu Gabriel   +8 more
core   +3 more sources

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