نتایج جستجو برای: housekeeping genes

تعداد نتایج: 427907  

Journal: :Molecular and cellular probes 2005
Claudia Rubie Katja Kempf Joachim Hans Tiefen Su Bettina Tilton Thomas Georg Brigitte Brittner Bianca Ludwig Martin Schilling

Careful normalization is essential for the accurate quantitation of mRNA levels in biopsy-sized tissue samples. Commonly, normalization of the target gene with an endogenous standard, mainly housekeeping genes (HKGs), is applied. However, differences in the expression levels of endogenous reference genes have been reported between different tissues and pathological states. Therefore, we were ch...

Journal: :avicenna journal of clinical microbiology and infection 0
hossein saghi department of microbiology, baqiyatallah university medical of sciences, tehran, ir iran; aja university of medical sciences, tehran, ir iran ferdoes amiri dastjerdi nursing care research center, semnan university of medical sciences, semnan, ir iran bahador zahedi department of microbiology, faculty of medicine, mazandaran university of medical sciences, sari, ir iran mohammad mohsen pour department of microbiology, baqiyatallah university medical of sciences, tehran, ir iran mahmoud khorrami aja university of medical sciences, tehran, ir iran majid efati aja university of medical sciences, tehran, ir iran

conclusions this study indicates that satureja khuzestaniea essence has inhibitory effects on the gene expression of antibiotic resistance in bla-oxa-23 that has a high mic. given that this essence has a good inhibitory effect on gene expression in mdr acinetobacter baumannii and bla-oxa-23, the results indicate that it could be used as a natural way to prevent the growth of acinetobacter bauma...

Journal: :Journal of gastroenterology and hepatology 2006
Ashish S Verma Bernard H Shapiro

BACKGROUND AND AIM Sexual differences in the transcript levels of various genes including the hepatic isoforms of cytochrome P450 have been extensively studied. Expression of these sexual dimorphic genes have been quantified by Northern blotting, nuclear run on assays and reverse transcriptase-polymerase chain reaction (RT-PCR) methods using numerous housekeeping genes to normalize results. Ear...

Journal: :Physiological genomics 2005
Robert D Barber Dan W Harmer Robert A Coleman Brian J Clark

Quantitative gene expression data are often normalized to the expression levels of control or so-called "housekeeping" genes. An inherent assumption in the use of housekeeping genes is that expression of the genes remains constant in the cells or tissues under investigation. Although exceptions to this assumption are well documented, housekeeping genes are of value in fully characterized system...

Journal: :Biology 2023

Three-dimensional genome organization has been increasingly recognized as an important determinant of the precise regulation gene expression in mammalian cells, yet relationship between transcriptional activity and spatial subcompartment positioning is still not fully comprehended. Here, we first utilized genome-wide Hi-C data to infer eight types (labeled A1, A2, A3, A4, B1, B2, B3, B4) mouse ...

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