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Articles 1 - 2 of 2
Full-Text Articles in Medicine and Health Sciences
Cross-Contamination Of Crispr Guides And Other Unrelated Nucleotide Sequences Among Commercial Oligonucleotides, Hiroshi Arakawa, Hiromi Miura, Rolen M. Quadros, Masato Ohtsuka, Channabasavaiah B. Gurumurthy
Cross-Contamination Of Crispr Guides And Other Unrelated Nucleotide Sequences Among Commercial Oligonucleotides, Hiroshi Arakawa, Hiromi Miura, Rolen M. Quadros, Masato Ohtsuka, Channabasavaiah B. Gurumurthy
Journal Articles: Genetics, Cell Biology & Anatomy
Custom oligonucleotides (oligos) are widely used reagents in biomedical research. Some common applications of oligos include polymerase chain reaction (PCR), sequencing, hybridization, microarray, and library construction. The reliability of oligos in such applications depends on their purity and specificity. Here, we report that commercially available oligos are frequently contaminated with nonspecific sequences (i.e. other unrelated oligonucleotides). Most of the oligos that we designed to amplify clustered regularly interspersed palindromic repeats (CRISPR) guide sequences contained nonspecific CRISPR guides. These contaminants were detected in research-grade oligos procured from eight commercial oligo-suppliers located in three different geographic regions of the world. Deep sequencing …
Investigation Into Cardiac Myhc-Α 334-352-Specific Tcr Transgenic Mice Reveals A Role For Cytotoxic Cd4 T Cells In The Development Of Cardiac Autoimmunity, Meghna Sur, Mahima T. Rasquinha, Kiruthiga Mone, Chandirasegaran Massilamany, Ninaad Lasrado, Channabasavaiah B. Gurumurthy, Raymond A Sobel, Jay Reddy
Investigation Into Cardiac Myhc-Α 334-352-Specific Tcr Transgenic Mice Reveals A Role For Cytotoxic Cd4 T Cells In The Development Of Cardiac Autoimmunity, Meghna Sur, Mahima T. Rasquinha, Kiruthiga Mone, Chandirasegaran Massilamany, Ninaad Lasrado, Channabasavaiah B. Gurumurthy, Raymond A Sobel, Jay Reddy
Journal Articles: Genetics, Cell Biology & Anatomy
Myocarditis is one of the major causes of heart failure in children and young adults and can lead to dilated cardiomyopathy. Lymphocytic myocarditis could result from autoreactive CD4+ and CD8+ T cells, but defining antigen specificity in disease pathogenesis is challenging. To address this issue, we generated T cell receptor (TCR) transgenic (Tg) C57BL/6J mice specific to cardiac myosin heavy chain (Myhc)-α 334-352 and found that Myhc-α-specific TCRs were expressed in both CD4+ and CD8+ T cells. To investigate if the phenotype is more pronounced in a myocarditis-susceptible genetic background, we backcrossed with A/J mice. At …