Physiology and Endocrinology Symposium: the current status of heat shock in early embryonic survival and reproductive efficiency.
نویسنده
چکیده
AND ENDOCRINOLOGY SYMPOSIUM: The current status of heat shock in early embryonic survival and reproductive effi ciency" (2013).
منابع مشابه
P-131: Effects of Heat Shock during Early Stage of Oocyte Maturation on Meiotic Progression and Subsequent Embryonic Development and Gene Expressionin Ovine
Background: Heat shock may affect different aspects of oocyte maturation and its subsequent development to the blastocyst stage. A series of in vitro experiments was performed to determine whether physiologically heat shock (41°C) disrupts the progression of the ovine oocytes through meiosis, activation and blastocyst formation. Materials and Methods: The cumulus-oocyte complexes (COCs) were as...
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Reproductive efficiency in dairy cattle has been decreased over the last 5 decades despite significant gains in genetic selection, improved reproductive technologies and nutritional care. In high-yielding dairy cattle, the negative energy balance (NEB) during the first week post-partum adversely affects ovarian activity, mainly follicle growth and steroidogenesis. Circulating levels of non-este...
متن کاملPhysiology and Endocrinology Symposium: heat shock proteins: potentially powerful markers for preimplantation embryonic development and fertility in livestock species.
For the mammalian embryo to successfully complete development, it must not only incur proper timing of internal machinery, but also protect itself from potentially harmful external stimuli. These stimuli, ranging from chemical to temperature flux, can result in defects in processes regulating gamete production and quality, as well as early embryonic development. To counterbalance these potentia...
متن کاملHeat shock factor 5 is essential for spermatogenesis in mice: Detected by a new monoclonal antibody
Objective(s): Here, we examined the function of our produced monoclonal antibody (mAb10C3) to recognize one of the most important members of the HEAT shock factor family, Hsf5, in embryonic development and in spermatogenic cells of adult mouse testis.Materials and Methods: The targeting effects of mAb10C3 were investigated by immunohisto...
متن کاملPhysiology and Endocrinology Symposium: influence of cattle genotype (Bos indicus vs. Bos taurus) on oocyte and preimplantation embryo resistance to increased temperature.
High environmental temperatures during the hot months of the year reduce reproductive performance in cattle. Summer heat stress depression in fertility is a multifactorial problem; however, there is evidence that the bovine germinal vesicle and maturing oocyte, as well as the early embryo, are major targets of the deleterious effects of heat stress. Such adverse effects are less pronounced in h...
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ورودعنوان ژورنال:
- Journal of animal science
دوره 91 3 شماره
صفحات -
تاریخ انتشار 2013