نتایج جستجو برای: In Vitro Maturation Techniques

تعداد نتایج: 17042947  

Journal: :iranian red crescent medical journal 0
navid dadashpour davachi department of animal science, faculty college of agriculture and natural resources, university of tehran, karaj, ir iran ahmad zare shahneh department of animal science, faculty college of agriculture and natural resources, university of tehran, karaj, ir iran; department of animal science, faculty college of agriculture and natural resources, university of tehran, karaj, ir iran. tel: +98-9123446217, fax: +98-2612246752 hamid kohram department of animal science, faculty college of agriculture and natural resources, university of tehran, karaj, ir iran; department of clinical sciences, faculty of veterinary medicine, shahid chamran university, ahvaz, ir iran mahdi zhandi department of animal science, faculty college of agriculture and natural resources, university of tehran, karaj, ir iran saeed dashti department of animal science, faculty college of agriculture and natural resources, university of tehran, karaj, ir iran helia shamsi department of animal science, faculty college of agriculture and natural resources, university of tehran, karaj, ir iran

background to current knowledge, different oocyte's recovery method and various seasons have profound impact on in vitro embryo production (ivep). objectives the aim of this study was to define an efficient recovery method for oocytes harvesting from slaughterhouse material in different seasons, and their effects on ivep yield. materials and methods ovaries from slaughtered ewes in breeding sea...

Journal: :international journal of reproductive biomedicine 0
ebrahim amini reza asadpour leila roshangar razi jafari-joozani

background: linoleic acid (la) is a polyunsaturated fatty acid present in high concentrations in follicular fluid, when added to maturation culture media, it affects oocyte competence.objective: in the present study, we investigated effect of linoleic acid supplementation on in vitro maturation, embryo development and apoptotic related gene expression in ovinematerials and methods: the experime...

Journal: :iranian journal of veterinary research 2013
a. r. wani m. z. khan k. a. sofi a. a. malik f. a. lone

a study was conducted to investigate the effect of follicular size (small,

Background: This study intends to present the role of rescue in vitro maturation (IVM) in polycystic ovarian syndrome(PCOS) patients undergoing in vitro fertilization (IVF) treatment who have inappropriate responses to ovarianstimulation.Materials and Methods: This was a retrospective case series study of five PCOS patients undergoing IVF treatmentconsidered for cycle ca...

Journal: :acta medica iranica 0
a. mohammadi-rousheh m. h. noori-mooghahi p. pasbakhsh a. abddvahabi m. akbari a. shokrgozar a. sobhani

rate of in vitro maturation of oocytes is one of the challenges of assisted reproductive techniques. in this study we investigated the effects of supplementation of cysteamine on the rate of in vitro maturation of oocytes in two different media. germinal vesicle oocytes were collected from mouse ovary and cultured in two media (tcm199 and meme) with 0, 50, 100, 200, 500 µm/ml cysteamine. number...

Journal: :international journal of molecular and cellular medicine 0
mir mehrdad farsi fatemeh zahra infertility and health reproductive research center, babol university of medical sciences, babol, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) nematollah kamali department of anatomical sciences, babol university of medical sciences, babol, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) mohsen pourghasem cellular and molecular biology research center (cmbrc), babol university of medical sciences, babol, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences)

in vitro maturation (ivm) is a method that immature oocytes in antral follicles are extracted and matured in laboratry conditions. this review has attempted to provide the current knowledge and recent findings in in vitro maturation of oocytes and highlights the most important factors involved in this process. the review is based on literature reports and the author’s experience. in ivm cycles,...

Journal: :journal of agricultural science and technology 2010
b. mojazi amiri m. maebayashi n. omoto s. adachi k. yamauchi

in order to determine the most effective hormones on the in vitro oocyte maturation (germinal vesicle breakdown - gvbd) in a hybrid sturgeon bester, ovarian follicles were incubated at the migratory nucleus stage in the presence of several steroids, gonadotropin preparations and forskolin. occurrence of gvbd and 17,20β-dihydroxy-4-pregnen-3 -one (dhp) production were followed during an expe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده کشاورزی 1391

از آنجا که کیفیت جنین حاصل از بلوغ آزمایشگاهی تخمک (in vitro maturation) در مقایسه با جنین حاصل از تخمک بالغ شده در شرایط طبیعی بدن (in vivo maturation)، پایین تر از حد انتظار است، بهبود مطالعات مربوط به عوامل تنظیمی پتانسیل تکوین تخمک ضروری است. از طرف دیگر پیشگویی و بهبود شایستگی تکوین (developmental competency) تخمک دو مسئله اساسی در تکنیک های تولیدمثلی (assisted reproductive techniques) هست...

Journal: :international journal of reproductive biomedicine 0
nourollah rezaei ri-cheng chian

background: addition of amino acids to the culture medium is beneficial for embryonic development in many species. objective: the objective of this study was to investigate the effects of amino acids on the in vitro maturation and embryonic development of the bovine oocyte. materials and methods: bovine ovaries were collected from a local abattoir and brought into laboratory. cumulus-oocyte com...

Journal: :international journal of reproductive biomedicine 0
mohammad ali khalili maryam dehghan saeedeh nazari azam agha-rahimi

background: ovarian tissue transplantation is emerging technologies for fertility preservation. in addition, in vitro maturation (ivm) of oocytes retrieved from ovarian tissues may overcome the fertility defects in certain cases. objective: the aim was to evaluate the best site for ovarian tissue transplantation in mice. also, feasibility of ivm of oocytes retrieved from auto grafted ovarian ti...

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