Results 21 to 30 of about 248,803 (285)

Effect of the prenatal action of fulvestrant on the ovaries of the offspring of laboratory mice

open access: yesRUDN Journal of Medicine, 2021
Relevance. Fulvestrant is used for the treatment of breast cancer in combination with other drugs. The aim of the study was to determine the effect of the prenatal action of fulvestrant on the ovaries of the offspring of laboratory mice.
Rimma T. Sulaymanova
doaj   +1 more source

Comparison of ovarian cycles of Hungarian riverine fish species representing different spawning strategies [PDF]

open access: yes, 2008
Investigations on the ovarian cycle of fish species that inhabit Hungarian rivers are necessitated by both environmental and economic reasons. The objective of our research was to explore new fundamental knowledge concerning the ovarian cycle of the ...
Baska, Ferenc   +6 more
core   +1 more source

Étude des variations de paramètres anatomiques et endocriniens chez l'anguille européenne (Anguilla anguilla) femelle, sédentaire et d'avalaison : application à la caractérisation du stade argenté

open access: yesKnowledge and Management of Aquatic Ecosystems, 1999
L'argenture est une transformation complexe qui fait passer les anguilles de la phase de croissance juvénile, sédentaire (stade jaune) à la phase de migration d'avalaison (stade argenté), étape initiale de la migration de reproduction océanique.
MARCHELIDON J.   +7 more
doaj   +1 more source

The 5' untranslated region of the I factor, a long interspersed nuclear element-like retrotransposon of Drosophila melanogaster, contains an internal promoter and sequences that regulate expression [PDF]

open access: yes, 1993
The I-R system of hybrid dysgenesis in Drosophila melanogaster is controlled by a long interspersed nuclear element-like retroposon, the I factor.
BUCHETON, A   +3 more
core   +1 more source

Clinical and structural changes in reproductive organs and endocrine glands of sterile cows [PDF]

open access: yesVeterinary World, 2020
Aim: The study aimed to determine both macroscopic and microscopic changes in the reproductive organs of sterile cows. Materials and Methods: Careful clinical and gynecological examinations (using histological and histochemical methods) of organs of ...
Evgeny Skovorodin   +4 more
doaj   +1 more source

Characterization of atrazine-induced gonadal malformations in African clawed frogs (Xenopus laevis) and comparisons with effects of an androgen antagonist (cyproterone acetate) and exogenous estrogen (17beta-estradiol): Support for the demasculinization/feminization hypothesis. [PDF]

open access: yes, 2006
Atrazine is a potent endocrine disruptor that both chemically castrates and feminizes male amphibians. It depletes androgens in adult frogs and reduces androgen-dependent growth of the larynx in developing male larvae.
Collins, Atif   +8 more
core   +2 more sources

Perfusion and Ultrasonication Produce a Decellularized Porcine Whole-Ovary Scaffold with a Preserved Microarchitecture

open access: yesCells, 2023
The application of decellularized scaffolds for artificial tissue reconstruction has been an approach with great therapeutic potential in regenerative medicine.
Gustavo Henrique Doná Rodrigues Almeida   +12 more
doaj   +1 more source

Polycystic ovary syndrome [PDF]

open access: yesMedicine, 1989
This case illustrates the very common endocrine problem of polycystic ovary syndrome (PCOS). The diagnosis was not clear initially because of the absence of clinical evidence of androgen excess and of a normal random serum luteinizing hormone (LH) concentration.
openaire   +5 more sources

The direct response of the gonads to cues of stress in a temperate songbird species is season-dependent. [PDF]

open access: yes, 2013
The gonadotropin releasing hormone (GnRH) system in the hypothalamus is often considered the final point in integration of environmental cues as they pertain to the reproductive axis.
Bentley, George   +2 more
core   +2 more sources

An Exploratory Study on the Microbiome of Northern and Southern Populations of Ixodes scapularis Ticks Predicts Changes and Unique Bacterial Interactions

open access: yesPathogens, 2022
The black-legged tick (Ixodes scapularis) is the primary vector of Borrelia burgdorferi, the causative agent of Lyme disease in North America. However, the prevalence of Lyme borreliosis is clustered around the Northern States of the United States of ...
Deepak Kumar   +7 more
doaj   +1 more source

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