نتایج جستجو برای: androgenic embryos

تعداد نتایج: 46262  

2001
AMIR SAGI ISAM KHALAILA

SYNOPSIS. The androgenic gland has been described in a variety of crustacean species—isopods, amphipods and decapods. It has been shown to play a role in the regulation of male differentiation and in the inhibition of female differentiation. Upon its application for endocrine manipulation, it inhibits female characteristics. Recently, the androgenic hormone from the isopod Armadillidium vulgare...

Journal: :Zoological science 2015
Miku Kato Chizue Hiruta Shin Tochinai

The androgenic gland in malacostracan crustacean species produces and secretes androgenic gland hormone, which is responsible for male sexual differentiation, such as the induction and development of male sexual traits, and in turn the suppression of female sexual traits. Marmorkrebs, Procambarus fallax forma virginalis, which was identified as the first parthenogenetic species in decapod crust...

Journal: :Environmental toxicology and chemistry 2002
Kevin V Thomas Mark R Hurst Peter Matthiessen Mathew McHugh Andy Smith Michael J Waldock

Environmental androgens are a group of compounds that to date have received very little attention. In this study, a yeast-based androgen screen (YAS) was used to determine the level of in vitro androgenic activity in seven United Kingdom estuaries. Surface water, sediment pore water, and sediment particulate material solvent extracts collected from Southampton Water, the Thames, Mersey, Tees, T...

Journal: :Clinical Epidemiology and Global Health 2021

BackgroundSerum uric acid (SUA) has been found to be an independent risk factor for metabolic syndrome (MS). However, the reports pertaining link between levels among androgenic, non-androgenic (clinical) PCOS subjects are conflicting. Hence, it was aimed determine incidence of hyperuricmia and its association subjects.MethodologyA single centre hospital based cross-sectional study conducted in...

Journal: :The Journal of endocrinology 1999
E Garcia M Lacasa B Agli Y Giudicelli D Lacasa

Androgenic status affects rat preadipocyte adipose conversion from two deep intra-abdominal (epididymal and perirenal) fat depots differently. The aim of this study was to establish whether these site-specific alterations of adipogenesis are related to altered expressions of the transcriptional factors regulating proliferation and differentiation of preadipocytes, c-myc and CCAAT/enhancer bindi...

2011
Daniel Salamone Romina Bevacqua Federico Pereyra Bonnet Andrés Gambini Natalia Canel M. Inés Hiriart Gabriel Vichera Lucia Moro Javier Jarazo

Background: Intracytoplasmic sperm injection (ICSI) involves mechanical transfer of a single sperm cell into ooplasm. A new application has been recently found for ICSI, the production of transgenic animals. Since the birth of ‘‘Dolly’’, the first adult somatic cloned mammal, viable offspring has been produced by nuclear transfer in many species including cattle. The present review briefly summ...

2015
Verónica Parra-Vega Patricia Corral-Martínez Alba Rivas-Sendra Jose M. Seguí-Simarro

The change in developmental fate of microspores reprogrammed toward embryogenesis is a complex but fascinating experimental system where microspores undergo dramatic changes derived from the developmental switch. After 40 years of study of the ultrastructural changes undergone by the induced microspores, many questions are still open. In this work, we analyzed the architecture of DNA-containing...

2015
Putri Ayu Jayusman Raja Muda Abdul Aziz

There are several androgen deficiency models that can be used to study the effects of pro-androgenic agents such as Eurycoma longifolia (EL). Suitable model must be chosen so that the androgenic effects of the agents tested could be demonstrated. As an example, EL was postulated to produce androgenic effects by stimulating the testosterone release by the testes. This makes the orchidectomy rat ...

Journal: :Dalton transactions 2010
Martin Huxley Carlos Sanchez-Cano Michael J Browning Carmen Navarro-Ranninger Adoracion G Quiroga Alison Rodger Michael J Hannon

A range of androgen conjugates with non-conventional platinum(II) complexes have been synthesised with the aim of targeting tumour cells since many display elevated levels of the androgen receptor. The androgenic platinum conjugates are delivered into selected cells with improved efficiency (when compared to their non-steroidal analogues). The act of conjugating an androgen to a platinum(II) co...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده کشاورزی 1394

in the present study, the effect of e-64 at different concentrations (0.5, 1, 5 and 10 µm) added to (1) the ivm medium on oocyte nuclear maturation and developmental competence of ovine oocytes, and (2) to the ivc medium on embryonic development of ovine embryos were investigated.

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