the aim of this study was to evaluate changes that occur in motility parameters of progesterone treated mouse spermatozoa during course of hyperactivation. mouse spermatozoa treated with different doses of progesterone were videotaped after 10 min and 90 min of incubation. for each sperm, one second of movement of the head-midpiece junction was traced from the videotape and for each tracing sev...

In this study, it was aimed to investigate the effects of different diets on lipid peroxidation, antioxidants, proliferation and vasculogenesis in liver tissue. BALBC female rats (21) were divided as group fed with standard chow (SC), a ketogenic diet (KD) western (WD). The tap water rat specially prepared according determined for 4 weeks. Liver tissue oxidative damage, evaluated using spectrop...

Senyawa tanin yang terdapat di teh dapat membentuk kompleks mengakibatkan terjadinya obstruksi ureter, pembengkakan ginjal (Hidronefrosis). Prevelansi gagal Indonesia disebabkan hidronefrosis dari tahun ke terus meningkat pada 2011 jumlah penderita adalah 22.304 dan 2012 menjadi 28,782 kasus. Penelitian ini bertujuan untuk mengetahui prevalensi kejadian Musmuculus Bablc Albino diberikan ekstra ...

background: when male animals die, spermatozoa within the body of animal will be degenerated. because of unique chromatin structure of sperm, maybe this degeneration is different from other cells. however there is not any research which considered directly the integrity of sperm dna by keeping the cadaver in refrigerator. objective: the aim of this study was to assess viability, total motility ...

the transcriptional factor oct4 regulates pluripotency of stem cells and has an important role during oocyte growth. whereas, its role has remained ambiguous in ovarian tissue during reproductive cycle. therefore, this study was aimed to investigate the expression patterns of oct4 in mouse ovaries during the normal estrous cycle. adult national medical research institute mice were classified as...

background: nicotine exposure causes impaired fertility and ovarian dysfunction. the aim of this study was to investigate the possible protective role of melatonin, which is known as an antioxidant agent on altered ovarian functions upon nicotine exposure. methods: a total of 32 female adult nmri mice were divided randomly into four groups (n=8). the control group received vehicle, while group ...

nicotine is one the chemical substance with high level of toxically. it crosses the placenta and accumulates in the developing organs of fetus. our previous investigations indicated that collagen type iv plays a key role in basement membrane of various embryonic organs. in this study we evaluated the effect of maternal nicotine exposure pre and postnatal period on collagen iv expression during ...

protein tyrosine phosphatases (ptpases) regulate the tyrosine phosphorylation of target proteins in volved in several biological activities including cell proliferation and transformation. protein tyrosine phosphatase e (ptpe) contains duplicated ptpase-like domains and a short extracellular region. us ing the fluorescence in situ hybridization method, the gene encoding ptpe (locus symbol ptpre...