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 ...

background some herbal anticancer agents have direct interactions with dna. objectives the present study aimed to investigate the interaction of ctdna with rosemary flowers. materials and methods we used uv-vis, fluorescence and circular dichroism (cd) spectroscopic techniques. results the absorption of dna at 260 nm increased on addition of rosemary. herb extract quench the fluorescence of etb...

the aim of this study was to analyze 22 cytokine polymorphisms in the roma population from the republic of macedonia. the roma population consists of 77 healthy unrelated individuals, residents of different geographical regions of the republic of macedonia (skopje, gostivar, and kochani). blood samples were collected after obtaining written consent. dna was isolated from peripheral blood and 22...

objective: the itpa gene is responsible to remove free deaminated purine nucleotides of itp, ditp and xtp from nucleotide pool of the cells. it seems that dysfunction in its activity, not only can increas the base substitution mutations frequency but also can works as a contrived factor to creating instability in genetic materials of the cells. there are several reports about the existence of s...

introduction: cryptosporidium is an apicomplexa parasite that infects humans and a wide range of domestic and wild animals. however, the sub-genotypes of the species infecting animals in iran are unclear. the aim of the present study isto identify dna fingerprinting of bovine cryptosporidium in qazvin province using sequences of gp60 gene.   materials and methods : in this study we investigated...