نتایج جستجو برای: pcr semi
تعداد نتایج: 314764 فیلتر نتایج به سال:
Background: Spermatogenesis associated 19 (Spata19) was introduced as a testis-specific gene that probably involved in spermatogenesis cell apoptosis. Therefore, this study aimed to investigate the effect of Spata19 inactivation on sperm count. Materials and Methods: We generated global knockout mice by CRISPR/Cas9 nickase technology. Disability validated three levels DNA, RNA, protein using PC...
Babesiosis is an important tickborne disease in the sheep of Iran. OBJECTIVES: A molecular study was carried out in North Khorasan province, Iran in 2010-2011, designed to identify Babesia spp. infection of both sheep and ticks. METHODS: Ninety sheep from different flocks were clinically examined and blood samples were collected with ixodid ticks . The collected ticks were separated into 82 ti...
Amplification of the MYCN gene in neuroblastomas is a potent biological marker of highly aggressive tumors, which are invariably fatal unless sound clinical management is applied. To determine the usefulness of semi-quantitative differential PCR (SQ-PCR) for accurate quantification of MYCN gene copy number, we evaluated the analytical performance of this method by comparing the results obtained...
BACKGROUND Influenza A, including avian influenza, is a major public health threat in developed and developing countries. Rapid and accurate detection is a key component of strategies to contain spread of infection, and the efficient diagnosis of influenza-like-illness is essential to protect health infrastructure in the event of a major influenza outbreak. METHODS We developed a multiplexed ...
زمینه و هدف: آنتی بادی ها در بسیاری از حوزه های تشخیص و درمان مورد استفاده قرار می گیرند. آنتی بادی های کاملاً انسانی به دلیل عدم برانگیختن پاسخ ایمنی در بدن بسیار مورد توجه قرار دارند. این مطالعه با هدف طراحی و بهینه سازی واکنش زنجیر های پلیمراز چندگانه جهت تکثیر ژن های آنتی بادی انسانی علیه توکسوئید کزاز انجام شد. روش بررسی: پس از خونگیری از انسان ایمن شده با توکسوئید کزاز و جداسازی لمفوسیت ها...
PURPOSE To evaluate whether semi-quantitative analysis of high temporal resolution dynamic contrast-enhanced MRI (DCE-MRI) acquired early in treatment can predict the response of locally advanced breast cancer (LABC) to neoadjuvant chemotherapy (NAC). MATERIALS AND METHODS As part of an IRB-approved prospective study, 21 patients with LABC provided informed consent and underwent high temporal...
objectives: strr is a putative pathway specific regulator of streptomycin production in streptomyces griseus. because of finding new spo0j domain in strr by bioinformatics methods, the purpose of this study was to suggest another role for strr gene. this domain can be seen in proteins that are involved in initiation of sporulation and normal chromosome partitioning. so, 51 bps of strr in accord...
In the era of the Human Genome Project, quantitation of gene expression by tumor/host cells is of paramount importance to investigate gene patterns responsible for cancer development, progression and response/resistance to treatment. Quantitative real-time PCR (qrt-PCR) technology has recently reached a level of sensitivity, accuracy and practical ease that support its use as a routine bioinstr...
The epidemiology and pathogenesis of rotaviruses are not completely understood, although recent developments in polymerase chain reaction (PCR) techniques now make it possible to quantify the viral load during an infective episode and investigate its relevance to clinical features of the disease. We studied rotavirus-positive stool samples collected from 10 children without symptoms of gastroen...
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