نتایج جستجو برای: multiplex ligation dependentprobe amplification
تعداد نتایج: 97340 فیلتر نتایج به سال:
Abstract Chromosomal abnormalities play an important role in classification and prognostication of myelodysplastic syndrome (MDS) patients. However, more than 50% low-risk MDS patients harbor a normal karyotype. Recently, multiplex ligation-dependent probe amplification (MLPA) has emerged as effective robust method for the detection cytogenetic aberrations To characterize subset with karyotype ...
PURPOSE To screen deletions/duplications of the RB1 gene in a large cohort of Iranian patients using the multiplex ligation-dependent probe amplification (MLPA) technique. METHODS A total of 121 patients with retinoblastoma, involving 55 unilateral and 66 bilateral or familial retinoblastomas, were included in this study. Among these patients, 121 blood and 43 tissue samples were available. D...
BACKGROUND Multiplex ligation probe amplification (MLPA) is a sensitive and efficient technique for molecular diagnosis of diseases involving deletions or duplications of large genomic regions. In phenylketonuria (PKU), most of the mutant alleles correspond to missense mutations and large deletions have been scarcely identified. In this study, we report for the first time the use of MLPA analys...
The study of somatic genetic alterations in tumors contributes to the understanding and management of cancer. Genetic alterations, such us copy number or copy neutral changes, generate allelic imbalances (AIs) that can be determined using polymorphic markers. Here we report the development of a simple set of calculations for analyzing microsatellite multiplex PCR data from control-tumor pairs t...
Cerebral cavernous malformations (CCM) are vascular lesions that predispose to headaches, seizures, and hemorrhagic stroke. Hereditary CCMs are usually associated with the occurrence of multiple CCMs and occur with a frequency of 1:2,000 to 1:10,000. In this study, eight isolated cases with multiple CCMs but no CCM1-3 point mutation were analyzed using the multiplex ligation-dependent probe amp...
Risk stratification in myeloma requires an accurate assessment of the presence of a range of molecular abnormalities including the differing IGH translocations and the recurrent copy number abnormalities that can impact clinical behavior. Currently, interphase fluorescence in situ hybridization is used to detect these abnormalities. High failure rates, slow turnaround, cost, and labor intensive...
BACKGROUND In recent studies, partial deletions of the azoospermia factor c region (AZFc) on the Y-chromosome have been detected in males with infertility problems. However, there has been a lot of debate about their significance. In order to study such deletions, a simple but accurate method for their detection was applied in this study. METHODS We present data obtained from the Multiplex Li...
Mutation detection in the DMD gene defective in Duchenne (DMD) and Becker muscular dystrophies (BMD) is complicated by the presence of 79 exons. The majority of recognized mutations are, however, copy number changes of individual exons, which traditionally have been identified by three common multiplex polymerase chain reaction (PCR) assays and/or Southern blotting. Here we report the use of th...
Mutations in DJ-1 (PARK7) are one cause of early-onset autosomal-recessive parkinsonism. We screened for DJ-1 mutations in 93 affected individuals from the 64 multiplex Parkinson disease (PD) families in our sample that had the highest family-specific multipoint LOD scores at the DJ-1 locus. In addition to sequencing all coding exons for alterations, we used multiplex ligation-dependent probe a...
Nail patella syndrome (NPS) is an autosomal dominant disorder characterized by nail malformations, patellar apoplasia, or patellar hypoplasia. Mutations within the LMX1B gene are found in 85% of families with NPS; thus, this gene has been characterized as the causative gene of NPS. In this study, we identified a heterozygous microdeletion of the entire LMX1B gene using multiplex ligation-depend...
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