نتایج جستجو برای: i gene exon 1 the single
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Background: Thousands of genes are involved in spermatogenesis. Alterations in any of these genes could lead to male infertility. Moloney leukemia virus 10-Like 1 (Mov10l1) gene is one of the genes that are expressed specifically in germ cells. Genetic disruption of this gene in mouse stops spermatogenesis during Meiosis I and causes azoospermia. Materials and Methods: In this study, the geneti...
BACKGROUND Various mechanisms contribute to the loss of human leukocyte antigen (HLA) class I expression that is frequently observed in cancers. Although some single allele losses have been ascribed to mutations in HLA class I genes, direct evidence for this phenomenon in vivo is still lacking. Thus, we investigated whether HLA class I gene mutations could account for the loss of allele-specifi...
proximal spinal muscular atrophy (sma) is one of the most common autosomal recessive disorders. sma has an estimated incidence of 1 in 10,000 live births. the clinical picture of sma is quite variable and childhood sma has been classified into 3 types. type i, werdnig-hoffmann disease, is the most acute and severe, with an onset before the age of 6 months and death usually occurring before the ...
Antidepressants are known to increase brain derived neurotrophic factor (BDNF) mRNA in the adult rat brain. The BDNF gene has four differentially regulated promoters that generate four transcript forms, each containing a unique non-coding 5' exon (exon I-IV) and a common 3' coding exon. Using in situ hybridization with exon-specific riboprobes, we have examined whether diverse classes of antide...
background: to evaluate vdr gene variation and its interaction with immune regulatory molecules in osteoporosis. methods: totally 205 pre and postmenopausal women were recruited in the study. after an overnight fast, peripheral blood was taken and centrifuged to sprat serum for measurement of serum parathyroid hormone, 25 hydroxyvitamin d, osteocalcin and cross laps. the fok i polymorphism in ...
Introduction: Mutation in SLC26A4 gene is one of reason of syndromic and non-syndomic hearing loss. Mutation in this gene is reported to be the second most common cause of deafness in the worldwide, after GJB2 gene. The aim of this study was to evaluate mutations in exon 10 of SLC26A4 gene in individuals with hearing loss in Guilan province. Materials and Methods: In this descriptive cross-sect...
the oxi3 locus of yeast mitochondrial DNA has been sequenced in Saccharomyces cerevisiae D273-10B. The sequence was obtained from the mitochondrial genomes of a series of cytoplasmic "petite" mutants selected for the retention of genetic markers in the oxi3 locus. The oxi3 locus has been ascertained to code for Subunit 1 of cytochrome oxidase. The Subunit 1 gene is 9,979 nucleotides long, consi...
We have recently described three group I introns inserted into a single gene, orf142, of the staphylococcal bacteriophage Twort and suggested the presence of at least two additional self-splicing introns in this phage genome. Here we report that two previously uncharacterized introns, 429 and 1087 nt in length, interrupt the Twort gene coding for the large subunit of ribonucleotide reductase (n...
the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...
The gene coding for mouse cardiac troponin I (TnI) has been cloned and sequenced. The cardiac TnI gene contains 8 exons and has an exon-intron organization similar to the quail fast skeletal TnI gene except for the region of exons 1-3, which is highly divergent. Comparative analysis suggests that cardiac TnI exon 1 corresponds to fast TnI exons 1 and 2 and that cardiac exon 3, which codes for m...
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