نتایج جستجو برای: mlpa
تعداد نتایج: 902 فیلتر نتایج به سال:
Familial hypercholesterolemia (FH) is a heritable condition of severely elevated LDL cholesterol, caused predominantly by autosomal codominant mutations in the LDL receptor gene (LDLR). In providing a molecular diagnosis for FH, the current procedure often includes targeted next-generation sequencing (NGS) panels for the detection of small-scale DNA variants, followed by multiplex ligation-depe...
Pseudoprogression is a major diagnostic dilemma in current treatment protocols for malignant gliomas that involve concurrent chemoradiotherapy. We hypothesized that methylation-specific multiplex ligation probe amplification (MS-MLPA), an assay that permits semiquantitative evaluation of promoter methylation, may be used to diagnose pseudoprogression based on the quantification of the methylati...
Aberrant DNA methylation is a potential diagnostic marker for complex diseases, such as cancer. With the increase in the number of genes known to exhibit disease-associated aberrant methylation, the need for accurate multiplex assays for quantifying DNA methylation has increased. Methylation-specific multiplex ligation-dependent probe amplification (MS-MLPA) is one method that has been highligh...
BACKGROUND Familial hypercholesterolemia (FH) is caused by mutations in the low density lipoprotein (LDL) receptor gene. In this study we have compared multiplex ligation-dependent probe amplification (MLPA) and long-range PCR to detect large deletions/duplications in the LDL receptor gene. METHOD DNA from 431 unrelated FH patients without mutations in the LDL receptor gene detectable by DNA ...
Introduction: Lots of human diseases and syndromes result from partial or complete gene deletions and duplications or changes of certain specific chromosomal sequences. Many various methods are used to study the chromosomal aberrations including Comparative Genomic Hybridization (CGH), Fluorescent in Situ Hybridization (FISH), Southern blots, Multiplex Amplifiable Probe Hybridisation (MAP...
PURPOSE To determine intratumor genetic heterogeneity in uveal melanoma (UM) by multiplex ligation-dependent probe amplification (MLPA) in formalin-fixed, paraffin-embedded (FFPE) tumor tissues. METHODS DNA was extracted from whole tumor sections and from two to nine different areas microdissected from 32 FFPE UMs. Thirty-one loci on chromosomes 1, 3, 6, and 8 were tested with MLPA for copy n...
زمینه و هدف: وجود تکثیر ژن HER2 جهت پیش بینی وضعیت و انتخاب درمان، در بیماران مبتلا به سرطان پستان، تعیین کننده است. آنالیز تکثیر ژن Her-2 با استفاده از روش MLPA که روش جدید در بررسی های بالینی می باشد ، انجام گردید. مواد و روش کار: در این مطالعه توصیفی، تعداد 60 بیمار مبتلا به سرطان سینه را که در بیمارستان افضلی پور کرمان، جراحی شدند، از نظر مضاعف شدگی HER2 به روش MLPA مورد مطالعه قرار گرفتن...
PURPOSE Metastasis from uveal melanoma occurs almost exclusively with tumors showing chromosome 3 loss. We used multiplex ligation-dependent probe amplification (MLPA) to detect chromosome 1p, 3, 6p, 6q, 8p, and 8q abnormalities in uveal melanomas. The purpose of this study was to correlate our MLPA results with other risk factors and metastatic death. EXPERIMENTAL DESIGN Patients were includ...
Prader-Willi syndrome (PWS) and Angelman syndrome (AS) are neurodevelopmental disorders caused by loss of expression of imprinted genes from the 15q11-q13 region. They arise from similar defects in the region but differ in parent of origin. There are two recognized typical 15q11-q13 deletions depending on size and several diagnostic assays are available but each has limitations. We evaluated th...
To simultaneously analyze mutations and expression levels of multiple genes on one detection platform, we proposed a method termed "multiplex ligation-dependent probe amplification-digital amplification coupled with hydrogel bead-array" (MLPA-DABA) and applied it to diagnose colorectal cancer (CRC). CRC cells and tissues were sampled to extract nucleic acid, perform MLPA with sequence-tagged pr...
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