نتایج جستجو برای: fluorescence in situ hybridization fish
تعداد نتایج: 17019810 فیلتر نتایج به سال:
Fluorescence in situ hybridization (FISH) using rRNA targeted oligonucleotide probes is a standard method for identification of microorganisms in environmental samples. Apart from its value as a phylogenetic marker ribosomal RNA has always been the favoured target molecule for FISH because of its abundance in all cells, whereas plasmids and DNA were regarded as unsuitable targets because of the...
chronic myeloid leukemia (cml) is a myeloproliferative disease. the cytogenetic hallmark of cml is philadelphia (ph) chromosome. this study aimed to diagnose suspected cml patients, to monitor cml patients under therapy using cytogenetic and fluorescence in situ hybridization (fish) techniques to analyze their bone marrow (bm) and peripheral blood (pb) samples, and finally to compare their obta...
Eighteen cases of mantle cell lymphomas (MCL) with an atypical t(11;14) were studied using fluorescence in situ hybridization experiments (FISH). The atypical presentation was confirmed and unsuspected duplicated cases were identified in six patients. These data underline that FISH analysis must be be systematically performed in cases with an aberrant presentation to prevent a misdiagnosis.
The fluorescence in situ hybridization (FISH) is the gold standard in human epidermal growth factor receptor 2 (HER2) status assessment in breast cancer. The dissemination of the technique is impeded by the cost of reagents and long experimental time. For overcoming these limitations, we have developed a new method for implementing FISH for HER2 assessment for tissue analysis based on microflui...
Fluorescence in situ hybridization (FISH) using peptide nucleic acid probes (PNAs) allows the identification of Staphylococcus aureus from human blood culture samples. We present data revealing that the combination of PNA FISH and flow cytometry is a possible approach for the noncultural identification of staphylococci in blood cultures.
The resistance of enteritis-causing Campylobacter strains to erythromycin is an emerging problem. We therefore evaluated fluorescence in situ hybridization (FISH) for the rapid detection of resistance using 74 campylobacter isolates. FISH showed specificity and sensitivity of 100% for the detection of high-level resistance.
Microbial communities play important roles in the functioning of coral reef communities. However, extensive autofluorescence of coral tissues and endosymbionts limits the application of standard fluorescence in situ hybridization (FISH) techniques for the identification of the coral-associated bacterial communities. This study overcomes these limitations by combining FISH and spectral imaging.
Human epidermal growth factor receptor 2 (HER2) has been evaluated in breast cancer patients to identify those most likely to benefit from herceptin-targeted therapy. HER2 amplification, detected in 20-30% of invasive breast tumors, is associated with reduced survival and metastasis. The most frequently used technique for evaluating HER2 protein status as a routine procedure is immunohistochemi...
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