introduction: the aim of this study was to evaluate the relation between protamine deficiency assessed by cma3 and protamine 1/ protamine 2 (p1/p2) ratio. material and methods: this study was carried out on 71 patients referring to isfahan fertility and infertility center. semen analysis was assessed according to who criteria. cma3 staining was use to determine protamine deficiency. p1/p2 ratio...

Pseudoponera stigma (F.) and Pseudoponera gilberti (Kempf) (Hymenoptera: Formicidae) are closely related Neotropical ants, often misidentified due to their morphological similarities. These species also share behavioral and ecological characters. In this study, we examined cytogenetic approaches as a tool to aid identification of P. stigma and P. gilberti. Both numerical and morphological karyo...

Bugs (Insecta: Heteroptera) are frequently used as examples of unusual cytogenetic characters, and the family Cimicidae is one of most interest in this respect. We have performed a cytogenetic study of the common bed bug Cimex lectularius Linnaeus, 1758 using both classical (Schiff-Giemsa and AgNO3-staining) and molecular cytogenetic techniques (base-specifi c DAPI/CMA3 fl uorochromes and FISH ...

Background: The aim of this study was to examine the possible relationship between sperm DNA integrity and chromatin packaging evaluated by cytochemical assays, traditional sperm parameters and recurrent spontaneous abortion (RSA) of unknown origin. Materials and Methods: In this cohort study, 40 couples with a history of RSA and 40 couples with proven fertility were considered as case and cont...

background: intrauterine insemination (iui) is one of the therapeutic approaches for infertility. the objective of this study was to evaluate dna integrity and apoptosis role in success of iui in both mild male and female factor infertility. methods: patients were divided into two groups: m (mild male factor; n=29) and f (female factor; n=31) undergoing single iui. ejaculates were analyzed and ...

testosterone level was determined in six different populations of iran using saliva steroid assay. significant difference was observed in morning and afternoon testosterone level of the same individual (p>0.00l) significant difference was also noticed among different regions studied (p>0.00 1). comparisons between alcoholics and nonalcoholic as well as smokers and nonsmokers showed significant ...

Comparative cytogenetic studies are very useful in the characterization of different accessions same plant. The aimed this study was search for intraspecific karyotypic variability three species Passiflora genus using chromosomal conventional techniques (Giemsa staining and Fluorochromes base-specific) molecular technique as Fluorescent Situ Hybridization (FISH). diploid character observed all ...