نتایج جستجو برای: stool and biopsy samples
تعداد نتایج: 16857209 فیلتر نتایج به سال:
AIM To assess KRAS G12D mutation detection by droplet digital PCR (ddPCR) in stool-derived DNA from colorectal cancer (CRC) patients. METHODS In this study, tumor tissue and stool samples were collected from 70 patients with stage I-IV CRC diagnosed by preoperative biopsy. KRAS mutational status was determined by pyrosequencing analysis of DNA obtained from formalin-fixed paraffin-embedded (F...
background noroviruses are one of the major viral pathogens responsible for gastroenteritis. outbreaks of diarrhea due to norovirus have been reported frequently. this study is performed to determine the prevalence of norovirus in fecal specimens of children with gastroenteritis. many viruses can cause gastroenteritis, including rotaviruses; adenoviruses types 40 and 41; sapoviruses; and norovi...
Background: Chronic diarrhea is a common problem in patients with symptoms related to gastro-intestinal tract. Some of these patients present with chronic non-bloody, watery diarrhea and no specific clinical, laboratory, or endoscopic findings. The aim of the present study was to investigate the value of histological findings in patients with chronic diarrhea who have normal or non-specific end...
abstract venlafaxine, 1–[2–(dimethylamino)–1–(4–methoxyphenyl) ethyl]cyclohexanol hydrochloride is a novel non-tricyclic antidepressant. venlafaxine is a second generation antidepressant drug, has a neuropharmacologic profile distinct from that of existing antidepressants including tricyclic compounds, selective serotonin reuptake inhibitors and monoamine oxidase inhibitors. venlafaxine impart...
BACKGROUND Analysis of aberrant hypermethylation in stool DNA might provide a novel strategy for noninvasive detection of colorectal cancer. AIMS To explore the feasibility of detecting hypermethylation in Spastic paraplegia-20 promoter as a stool-based DNA marker for detection of colorectal cancer. METHODS We collected 96 tissue and stool samples from patients with colorectal cancer and 30...
the present research has been deducted from a provincial research project which aims at determining the relationship of variables of variables of occupational self-concept, intelligence beliefs and metacognitive with entrepreneurship among the students of payame noor university of kurdistan. the volume of the samples was 1080 students (576 female and 504 male students). the research methodology...
Background and aim: Following a correct biopsy protocol is crucial for accurate diagnosis of oral and maxillofacial lesions. Pre-analysis technical errors during preparation and submission of biopsies can jeopardize the diagnostic process and the related treatment plan. The aim of the present study was to evaluate pre-analysis technical errors in the biopsy samples submitted to an oral and maxi...
Introduction: The aim of the present study was to investigate the presence and the frequency of EAEC as etiologic agent of diarrhea in Shiraz. Enteroaggregative E. coli (EAEC) is increasingly recognized as a cause of often persistent diarrhoea in children and adults in both developing and developed countries, and have been identified as the cause of several outbreaks worldwide. Materials and...
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