نتایج جستجو برای: variable number of tandem repeats
تعداد نتایج: 21198114 فیلتر نتایج به سال:
Background: Multiple sclerosis (MS) is a chronic disease of the central nervous system (CNS) that is characterized by inflammation, demyelination and axonal injury. Although the etiology of MS disease is still unknown, many studies suggest that immune system dysfunction plays an important role in the pathogenesis of this disease. The serotonin serves as a mediator between CNS and the immune sys...
Estimates of genetic diversity within, and of variation among, semi-isolated populations of the common toad (Bufo bufo) were derived and compared across four classes of nuclear genetic markers, including allozymes, microsatellites, and single and multilocus minisatellites. Estimates of multilocus heterozygosity and the number of alleles per locus derived from allozymes were lower than for each ...
background detection of fetal dna in maternal blood has been examined by many research groups for a few years; thereby, scientists have a shorter way to take to approach prenatal diagnosis of abnormal pregnancies. the y chromosome sequences have recently become the most common applicable indices for fetal sex determination. objectives we conducted an algorithmic x and y mini-short tandem repeat...
BACKGROUND Tuberculosis (TB) is a major cause of mortality and suffering worldwide, with over 95% of TB deaths occurring in low- and middle-income countries. In recent years, molecular typing methods have been widely used in epidemiological studies to aid the control of TB, but this usage has not been the case with many African countries, including Cameroon. The aims of the present investigatio...
BACKGROUND The incidence of TB has doubled in the last 20 years in London. A better understanding of risk groups for recent transmission is required to effectively target interventions. We investigated the molecular epidemiological characteristics of TB cases to estimate the proportion of cases due to recent transmission, and identify predictors for belonging to a cluster. METHODS The study p...
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