نتایج جستجو برای: embryo reduction

تعداد نتایج: 556726  

Akram Valipoor, Ali Kazemi Ali Noori Gholamreza Amiri Hamideh Gharamaleki Jafar Taheri Kazem Parivar Mehrdad Modaresi

Background Quantum dots (QDs) are new types of fluorescent materials for biological labeling. QDs toxicity study is an essential requirement for future clinical applications. Therefore, this study aimed to evaluate cytotoxic effects of CdSe: ZnS QDs on male reproductive system. MaterialsAndMethods In this experimental study, the different concentrations of CdSe: ZnS QDs (10, 20 and 40 mg/kg) we...

2016
Gry Sagebakken Ingrid Ahnesjö Charlotta Kvarnemo

Trade-offs between brood size and offspring size, offspring survival, parental condition or parental survival are classic assumptions in life history biology. A reduction in brood size may lessen these costs of care, but offspring mortality can also result in an energetic gain, if parents are able to utilize the nutrients from the demised young. Males of the broad-nosed pipefish (Syngnathus typ...

Journal: :international journal of fertility and sterility 0
gholamreza amiri akram valipoor kazem parivar mehrdad modaresi ali noori hamideh gharamaleki

background: quantum dots (qds) are new types of fluorescent materials for biological labeling. qds toxicity study is an essential requirement for future clinical applications. therefore, this study aimed to evaluate cytotoxic effects of cdse: zns qds on male reproductive system. materials and methods: in this experimental study, the different concentrations of cdse: zns qds (10, 20 and 40 mg/kg...

Journal: :iranian biomedical journal 0
سیدمهدی عمادی sayed mehdi emadi مژده صالح نیا mojdeh salehnia

the activity of mouse endometrial alkaline phosphatase after hyperstimulation and progesterone injection at the implantation time alkaline phosphatase (alp) of endometrium may play a critical function in the development and implantation of embryo. the aim of this study was to determine the localization of endometrial alp activity after hyperstimulation and progesterone injection. thirty adult f...

Journal: :Cancer research 1977
S M Clarke L M Fink

Antibodies were produced against 220,000-molecular-weight proteins of Syrian hamster embryo cells. The antiserum containing these antibodies is capable of immunologically staining the surfaces and a fibrillar network around untransformed Syrian hamster embryo cells. The staining is removed by adsorption of the antiserum with Syrian hamster embryo cells and by mild trypsin treatment. Several lin...

Journal: :international journal of fertility and sterility 0
pouria hossein nia mojtaba tahmoorespur sayyed morteza hosseini mehdi hajian somayyeh ostadhosseini mohammad reza nasiri

background: little is understood about the regulation of gene expression during early goat embryo development. this study investigated the expression profile of 19 genes, known to be critical for early embryo development in mouse and human, at five different stages of goat in vitro embryo development (oocyte, 8-16 cell, morula, day-7 blastocyst, and day 14 blastocyst). materials and methods: st...

Journal: :jundishapur journal of natural pharmaceutical products 0
neda sistani karampour department of pharmacology and toxicology, school of pharmacy, jundishapur university of medical sciences, ahvaz, ir iran; department of pharmacology and toxicology, school of pharmacy, jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6113380031, e-mail: ardeshir arzi department of pharmacology and toxicology, school of pharmacy, jundishapur university of medical sciences, ahvaz, ir iran; department of pharmacology and toxicology, physiology research center, school of pharmacy, jundishapur university of medical sciences, ahvaz, ir iran hossein najafzadeh varzi department of basic sciences, faculty of veterinary medicine, shahid chamram university, ahvaz, ir iran babak mohammadian department of pathobiology, faculty of veterinary medicine, shahid chamram university, ahvaz, ir iran mohsen rezaei department of pharmacology and toxicology, school of pharmacy, jundishapur university of medical sciences, ahvaz, ir iran

results theophylline-treated rats showed mda level elevation and gpx activity reduction. quercetin treatment improved heart conditions and resulted in a significant reduction in mda levels and elevation in gpx activity. moreover, co-administration of quercetin and theophylline increased the heart weight significantly. furthermore, histophatological study showed no changes in the treated groups....

Mojdeh Salehnia, Sayed Mehdi Emadi ,

The activity of mouse endometrial alkaline phosphatase after hyperstimulation and progesterone injection at the implantation time Alkaline phosphatase (ALP) of endometrium may play a critical function in the development and implantation of embryo. The aim of this study was to determine the localization of endometrial ALP activity after hyperstimulation and progesterone injection. Thirty adult f...

Journal: :Development 2021

ABSTRACT Deoxygenation, the reduction of oxygen level in oceans induced by global warming and anthropogenic disturbances, is a major threat to marine life. This change could be especially harmful embryos that use endogenous hypoxia redox gradients as morphogens during normal development. Here, we show tolerance hypoxic conditions changes between different developmental stages sea urchin embryo,...

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