Results 11 to 20 of about 71,542 (248)

Cellular and exosome mediated molecular defense mechanism in bovine granulosa cells exposed to oxidative stress. [PDF]

open access: yesPLoS ONE, 2017
Various environmental insults including diseases, heat and oxidative stress could lead to abnormal growth, functions and apoptosis in granulosa cells during ovarian follicle growth and oocyte maturation.
Mohammed Saeed-Zidane   +8 more
doaj   +1 more source

BCAS2 regulates granulosa cell survival by participating in mRNA alternative splicing

open access: yesJournal of Ovarian Research, 2023
Background Granulosa cell proliferation and differentiation are essential for follicle development. Breast cancer amplified sequence 2 (BCAS2) is necessary for spermatogenesis, oocyte development, and maintaining the genome integrity of early embryos in ...
Xiaohong Yao   +11 more
doaj   +1 more source

Directed differentiation of human iPSCs to functional ovarian granulosa-like cells via transcription factor overexpression

open access: yeseLife, 2023
An in vitro model of human ovarian follicles would greatly benefit the study of female reproduction. Ovarian development requires the combination of germ cells and several types of somatic cells.
Merrick D Pierson Smela   +13 more
doaj   +1 more source

Effect of Vitamin D3 on Mitochondrial Biogenesis in Granulosa Cells Derived from Polycystic Ovary Syndrome [PDF]

open access: yesInternational Journal of Fertility and Sterility, 2020
Background Polycystic ovary syndrome (PCOS) is an endocrine disorder diagnosed by anovulation hyperandro- genism. Hyperandrogenism increases apoptosis, which will eventually disturb follicular growth in PCOS patients.
Zahra Safaei   +6 more
doaj   +1 more source

Effects of angiogenin on granulosa and theca cell function in cattle

open access: yesAnimal, 2017
Angiogenin is a member of the ribonuclease A superfamily of proteins that has been implicated in stimulating angiogenesis but whether angiogenin can directly affect ovarian granulosa or theca cell function is unknown.
J.L. Dentis   +3 more
doaj   +1 more source

Aquaporin-8 transports hydrogen peroxide to regulate granulosa cell autophagy

open access: yesFrontiers in Cell and Developmental Biology, 2022
Aquaporin-8 (AQP8), a member of the aquaporin family, is strongly expressed in follicular granulosa cells, which could affect the hormone secretion level in females.
Binbin Huang   +9 more
doaj   +1 more source

Carbachol increases intracellular free calcium concentrations in human granulosa-lutein cells [PDF]

open access: yes, 1992
We investigated whether the stimulation of human granulosa-lutein cells with muscarinic and nicotinic receptor agonists can cause increases in intracellular free calcium (Ca2+), using Fura-2 microfluorimetry.
Föhr, K. J.   +3 more
core   +1 more source

Interaction between growing oocytes and granulosa cells in vitro

open access: yesReproductive Medicine and Biology, 2020
Background Oocyte growth is accompanied by follicular development in mammalian ovaries. Since the discovery of two oocyte‐derived factors, growth differentiation factor 9 (GDF9), and bone morphogenetic protein 15 (BMP15), knowledge of the bidirectional ...
Md Hasanur Alam, Takashi Miyano
doaj   +1 more source

Activity of 3β-hydroxysteroid dehydrogenase associated with progesterone production in bovine granulosa cells cultured under different concentrations of serum, insulin-like growth factor I, and gonadotropin [PDF]

open access: yes, 2014
Three-β-hydroxysteroid dehydrogenase (3β-HSD) is the enzyme responsible for progesterone production. This study aimed to determine whether 3β-HSD activity can be shown to reflect progesterone production by granulosa cells cultured under different serum
Mihm Carmichael, Monika, Şimsek, Özkan
core   +1 more source

ERK1/2-SOX9/FOXL2 axis regulates ovarian steroidogenesis and favors the follicular–luteal transition

open access: yesLife Science Alliance, 2023
ERK1/2 negatively regulates estradiol synthesis while positively regulating progesterone production in ovarian granulosa cells via the ERK1/2-SOX9/FOXL2 axis. Estradiol and progesterone are the primary sex steroids produced by the ovary. Upon luteinizing
Vijay Simha Baddela   +4 more
doaj   +1 more source

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