نتایج جستجو برای: mitotic counts
تعداد نتایج: 91695 فیلتر نتایج به سال:
In this study, the cytogenetic effects of black tea and green tea were determined in cultured peripheral blood lymphocytes. Results showed that black tea and green tea induced the mitotic and replication indexes and decreased micronuclei. But these data were not statistically significant for green tea. The effects of black tea on the micronucleus formation and mitotic index were statistically s...
Aim The aim of this study was to investigate 10 cases of bovine ocular squamous cell carcinoma (OSCC) diagnosed in Holstein or Holstein-crosses cows. Materials and Methods The investigation was performed exclusively in OSCC cases diagnosed in the State of Paraná and Santa Catarina. A combination of two previously existing histopathological classifications systems was used. The tissue samples ...
Gastrointestinal stromal tumors (GISTs) have distinct gene expression patterns according to localization, genotype and aggressiveness. DNA methylation at CpG dinucleotides is an important mechanism for regulation of gene expression. We performed targeted DNA methylation analysis of 1.505 CpG loci in 807 cancer-related genes in a cohort of 76 GISTs, combined with genome-wide mRNA expression anal...
Adriamycin, a new antitumor antibiotic in the anthracycline group, promptly inhibits DNA and RNA synthesis and arrests cell division. The cell viability (defined as the capacity of a single cell to grow out into a macroscopic clone) is reduced sharply following exposure to adriamycin, 0.1 fig/ml, for a fractional period of the generation time. With the use of a synchronous population of HeLa ce...
Malignant ovarian tumours of the fibrothecoma group are rare. The clinicopathological features of a case of ovarian malignant fibrothecoma in which there was metastatic disease in the small intestine and peritoneum at presentation are described. A number of differential diagnoses were considered but positive immunohistochemical staining of the resected ovarian and small intestinal neoplasms wit...
An estimated 1500-3000 invasive Endometrial Stromal Sarcomas (ESS) cases annually occur worldwide. Before 2003, ESS was divided as low and high grade ESS based on mitotic activity. In 2003 the WHO changed the names, excluded mitoses and made nuclear atypia and necrosis the essential diagnostic criteria to distinguish ESS, Low Grade (ESS-LG, recurrence-free survival >90%) and Undifferentiated En...
the aim of this study was the evaluation of acute genotoxic effect of effluent water of thermo-power plant by means of tradescantia root tips micronucleus test (mn), mitotic index and cell aberrations. tradescantia , was experimentally treated (for 24 h), with effluent water of thermo-power plant in different dilution ratios (negative control – distilled water; primary untreated effluent wate...
Adriamycin, a new antitumor antibiotic in the anthracycline group, promptly inhibits DNA and RNA synthesis and arrests cell division. The cell viability (defined as the capacity of a single cell to grow out into a macroscopic clone) is reduced sharply following exposure to adriamycin, 0.1 fig/ml, for a fractional period of the generation time. With the use of a synchronous population of HeLa ce...
Young adult male rats received 1,2-dimethylhydrazine (25 mg/kg) twice weekly for 2 months and once a week thereafter for up to 6 months. Histological samples of duodenum, jejunum, and upper, mid-, and terminal ileum were prepared from groups killed at each month. Using cell counts, the average number of epithelial cells was determined per representative section of villi and crypts and was used ...
erodium (geranaiceae) species are distributed in different habitats of iran. some species are of medicinal importance while some are well known weeds. there are no chromosome counts for erdoium species of iran. chromosome numbers are given for six taxa of erodium (geraniaceae) from iran: e. cicutarium (2n=36), e. ciconium(2n=18), e. malacoides (2n=20), e. moschatum (2n=20), e. neuradifolium (2n...
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