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نمایش تعداد 1-10 از 19
Naturally occurring mastitis disrupts developmental competence of bovine oocytes
Expression of Leptin mRNA in ovine oocyte
on physiological activities of oocyte as well as ovarian function. The aim of this study was to investigate the expression of leptin and its receptor by reverse transcription - polymerase chain reaction (RT-PCR) analysis in ovine oocytes.
Methods: Ovine...
The Effect of Roscovitine on Meiosis of Sheep Oocyte
Improved in vitro methods are required to synchronize meiotic resumption and to
allow all collected oocytes to complete nuclear maturation without affecting oocyte
quality in order to maximize embryo production. The use...
The Effects of Cytopathic and Noncytopathic Bovine Viral Diarrhoea Virus with Sperm Cells on In Vitro Fertilization of Bovine Oocytes
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Sheep oocyte expresses leptin and functional leptin receptor mRNA
Objective: To investigate the expression of leptin and its functional receptor mRNA by
reverse transcription-polymerase chain reaction analysis in sheep oocytes.
Methods: Sheep ovaries were collected in reproductive season from...
Effects of inhibiting nitric oxide synthase on cumulus expansion and nuclear maturation of sheep oocytes
Nitric oxide (NO) is a biological signaling molecule that plays a crucial role in oocyte maturation
of mammalians. It is generated by the nitric oxide synthase (NOS) enzyme from l-arginine. Although
the effect of NO has been shown...
Sheep oocyte expresses leptin receptor mRNA
on physiological activities of oocyte as well as ovarian function. The aim of this study was to investigate the expression of leptin receptor by reverse transcription - polymerase chain reaction (RT-PCR) analysis in ovine oocytes.
Methods: Ovine ovaries...
Effects of L-NAME on In Vitro Maturation of Sheep Oocytes
Nitricoxide (NO) is a biological signalling molecule that is generated by NO synthase (NOS) from L-arginine. It has been demonstrated that NO has a crucial role in maturation of mammalian oocytes. In this study, the importance of NO/NOS system in in...
The effect of mesenchymal stem cells as co-culture in in vitro nuclear maturation of ovine oocytes
alcohol (PVA) or fetal calf serum (FCS) on in vitro
oocyte maturation and subsequent embryo development (IVM/IVC). Cumulus-oocyte complexes
(COCs) were harvested from ovine ovaries and subjected to IVM in the above-mentioned culture...
Effect of Increasing Amount of Oocyte Secreted Factors on Cumulus Expansion of Bovine Cumulus-Oocyte Complexes
Background: In vitro maturation is a good method to decrease cancer risk of superovulation by gonadotropin hormones. A paracrine effect of oocyte secretions on oocyte developmental competence is under investigation. Apart from oocyte maturation...