Results 161 to 170 of about 5,344 (205)

In vitro culture of bovine preantral follicles

Animal Reproduction Science, 2000
Bovine preantral follicles (40-100 microm diameter at collection) were collected from ovaries of slaughtered cows and cultured in vitro with one of the four treatments: follicle stimulating hormone (FSH; 100 ng/ml) alone; FSH plus epidermal growth factor (EGF; 100 ng/ml); FSH plus insulin-transferrin-selenium (ITS; +1%) or FSH plus hypoxanthine (4 mM ...
S, Saha, M, Shimizu, M, Geshi, Y, Izaike
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In vitro culture methods of preantral follicles

Theriogenology, 2016
Folliculogenesis is a highly regulated, dynamic process requiring various autocrine, paracrine, and endocrine factors that need to be reproduced in vitro. The mammalian ovary consists of a finite number of follicles at birth, with the majority in a quiescent state, awaiting recruitment.
Lisa J, Green, Ariella, Shikanov
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Monitoring preantral follicle survival and growth in bovine ovarian biopsies by repeated use of neutral red and cultured in vitro under low and high oxygen tension

Theriogenology, 2014
: The development and optimization of preantral follicle culture methods are crucial in fertility preservation strategies. As preantral follicle dynamics are usually assessed by various invasive techniques, the need for alternative noninvasive evaluation
Erik Fransen, Jo L M R Leroy
exaly   +1 more source

In-vivo and in-vitro development of preantral follicles

Theriogenology, 1997
Abstract This paper presents the state of the art concerning the in vitro growth and differentiation of preantral follicles, i.e. from the primordial to the antral stage, in mammals. Attention is paid to their normal structure and development, nomenclature, isolation and culture methods, effects of systemic and local compounds on their development ...
Van den Hurk, R., Bevers, M. M., Beckers, Jean-François   +2 more
openaire   +1 more source

In vitro development of sheep preantral follicles.

Biology of reproduction, 1999
Preantral ovarian follicles isolated from prepubertal sheep ovaries were individually cultured for 6 days in the presence of increasing doses of FSH (ranging from 0.01 to 1 microg/ml) and under two different oxygen concentrations, 20% and 5% O2. Follicle development was evaluated on the basis of antral cavity formation as well as the presence of ...
CECCONI, Sandra, Barboni B, COCCIA, MIMI', Mattioli M.   +3 more
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Cryopreservation and in vitro culture of caprine preantral follicles

Reproduction, Fertility and Development, 2011
Preantral follicles (PFs) form a far larger oocyte reservoir (∼90% of the follicular population) than antral follicles. Several laboratories have focussed efforts on cryopreservation and in vitro culture (IVC) of PFs to obtain large numbers of fertilisable oocytes.
J R, Figueiredo, A P R, Rodrigues, J R V, Silva, R R, Santos   +3 more
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Role of VEGF in pig preantral follicles

Veterinary Research Communications, 2008
Role of VEGF in pig preantral follicles A. Martelli & V. Russo & A. Mauro & D. Nardinocchi & C. Rinaldi & N. Bernabo & P. Berardinelli & M.
MARTELLI, Alessandra, RUSSO, Valentina, MAURO, ANNUNZIATA, NARDINOCCHI, Delia, RINALDI, CARLO, BERNABO', NICOLA, BERARDINELLI, Paolo, MATTIOLI, Mauro   +7 more
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Hormones and Preantral Follicle Growth in Women

Mayo Clinic Proceedings, 1976
Studies of follicular morphology in biopsies of human ovarian tissue obtained from women with a syndrome of hypogonadotropic hypogonadism have been reviewed. Follicular maturation was consistent with that seen in ovarian tissues removed at postmortem examination of infants.
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In vitro development of caprine ovarian preantral follicles

Theriogenology, 2000
The in vitro growth and developmental pattern of caprine preantral follicles cultured in agar gel was observed. Preantral follicles 50 to 150 microm in diameter were isolated from prepuberal goat ovaries by treatment with collagenase and DNase. The isolated preantral follicles were cultured in agar gel for up to 14 days.
Z, Huanmin, Z, Yong
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The Growth of Preantral Follicles and the Impact of Different Supplementations and Circumstances: A Review Study with Focus on Bovine and Human Preantral Follicles

Cellular Reprogramming, 2018
One of the most important concerns cancer survivors face is fertility. Current treatment modalities often result in damage to the reproductive system. Different options have been proposed to preserve the fertility of affected women, and many attempts have been made to improve their chance of childbearing after therapy.
Zahra, Rajabi, Zunair, Khokhar, Hossein, Yazdekhasti   +2 more
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