نتایج جستجو برای: trinucleotide expansion
تعداد نتایج: 142243 فیلتر نتایج به سال:
We expressed the human midsized neurofilament subunit (NF-M) using genomic DNA in mouse L cells and showed that it is transcribed and translated into a protein capable of assembly into the cytoskeleton and of forming a filamentous network that colocalizes with the endogenous vimentin filaments. Moreover, human NF-M expressed in L cells is phosphorylated at sites within the multiphosphorylation ...
Fragile X syndrome (FXS) is one of the most common causes of intellectual disability/developmental delay (ID/DD), especially in males. It is caused most often by CGG trinucleotide repeat expansions, and less frequently by point mutations and partial or full deletions of the FMR1 gene. The wide clinical spectrum of affected females partly depends on their X-inactivation status. Only few female I...
Inferences regarding hybridization rely on genetic markers to differentiate parental taxa from one another. Intersimple sequence repeat (ISSR) markers are based on single-primer PCR reactions where the primer sequence is derived from di- and trinucleotide repeats. These markers have successfully been used to assay genetic variability among cultivated plants, but have not yet been tested in natu...
Trinucleotide repeats sequences (TRS) represent a common type of genomic DNA motif whose expansion is associated with a large number of human diseases. The driving molecular mechanisms of the TRS ongoing dynamic expansion across generations and within tissues and its influence on genomic DNA functions are not well understood. Here we report results for a novel and notable collective breathing b...
Stephen T. Warren was a key contributor to the 1991 discovery of an unstable trinucleotide repeat that expands in families and causes loss function fragile X syndrome.
The abnormal expansion of unstable simple sequence DNA repeats can cause human disease through a variety of mechanisms, including gene loss-of-function, toxic gain-of-function of the encoded protein and toxicity of the repeat-containing RNA transcript. Disease-associated unstable DNA repeats display unusual biophysical properties, including the ability to adopt non-B-DNA structures. CAG•CTG tri...
Using bioinformatics software and database, we have characterized the microsatellite pattern in the V. volvacea genome and compared it with microsatellite patterns found in the genomes of four other edible fungi: Coprinopsis cinerea, Schizophyllum commune, Agaricus bisporus, and Pleurotus ostreatus. A total of 1346 microsatellites have been identified, with mono-nucleotides being the most frequ...
index case is 17 years old girl with ataxia of gait since 3 years ago. she has been walking normally in past. sensory is normal in her legs. ocular movements are normal. she has mild scoliosis. her electrocardiogram shows t-wave inversions. her parents are cousins& asymptomatic. she has 5 brothers & 3 sisters. one of her brothers & one of her sisters are wheelchair dependent. their history is s...
The genetic defect causing Huntington's disease (HD) has been identified as an unstable expansion of a trinucleotide (CAG) repeat sequence within the coding region of the IT15 gene on chromosome 4. In 50 patients with manifest HD who were evaluated prospectively and uniformly, we examined the relationship between the extent of the DNA expansion and the rate of illness progression. Although the ...
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