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Articles 1 - 4 of 4
Full-Text Articles in Medicine and Health Sciences
A Cell Permeable Peptide Targeting The Intracellular Loop 2 Of Endothelin B Receptor Reduces Pulmonary Hypertension In A Hypoxic Rat Model, Daniel S. Green, Chamila Rupasinghe, Rod Warburton, Jamie L. Wilson, Christine O. Sallum, Linda Taylor, Achan Yatawara, Dale Mierke, Peter Polgar, Nicholas Hill
A Cell Permeable Peptide Targeting The Intracellular Loop 2 Of Endothelin B Receptor Reduces Pulmonary Hypertension In A Hypoxic Rat Model, Daniel S. Green, Chamila Rupasinghe, Rod Warburton, Jamie L. Wilson, Christine O. Sallum, Linda Taylor, Achan Yatawara, Dale Mierke, Peter Polgar, Nicholas Hill
Dartmouth Scholarship
Cell permeable peptides (CPP) aid cellular uptake of targeted cargo across the hydrophobic plasma membrane. CPP-mediated cargo delivery of receptor signaling motifs provides an opportunity to regulate specific receptor initiated signaling cascades. Both endothelin-1 receptors, ETA and ETB, have been targets of antagonist therapies for individuals with pulmonary arterial hypertension (PAH). These therapies have had success but have been accompanied by adverse reactions. Also, unlike the CPP which target specific signaling cascades, the antagonists target the entire function of the receptor. Using the CPP strategy of biased antagonism of the ETB receptor’s intracellular loop 2 (ICB2), we demonstrate blunting of …
Unique Microbial Communities Persist In Individual Cystic Fibrosis Patients Throughout A Clinical Exacerbation, Katherine E. Price, Thomas H. Hampton, Alex H. Gifford, Emily L. Dolben, Deborah A. Hogan, Hilary G. Morrison, Mitchell L. Sogin, George A. O’Tooled
Unique Microbial Communities Persist In Individual Cystic Fibrosis Patients Throughout A Clinical Exacerbation, Katherine E. Price, Thomas H. Hampton, Alex H. Gifford, Emily L. Dolben, Deborah A. Hogan, Hilary G. Morrison, Mitchell L. Sogin, George A. O’Tooled
Dartmouth Scholarship
Cystic fibrosis (CF) is caused by inherited mutations in the cystic fibrosis transmembrane conductance regulator gene and results in a lung environment that is highly conducive to polymicrobial infection. Over a lifetime, decreasing bacterial diversity and the presence of Pseudomonas aeruginosa in the lung are correlated with worsening lung disease. However, to date, no change in community diversity, overall microbial load or individual microbes has been shown to correlate with the onset of an acute exacerbation in CF patients. We followed 17 adult CF patients throughout the course of clinical exacerbation, treatment and recovery, using deep sequencing and quantitative PCR …
Bioengineered Lysozyme Reduces Bacterial Burden And Inflammation In A Murine Model Of Mucoid Pseudomonas Aeruginosa Lung Infection, Charlotte C. Teneback, Thomas C. Scanlon, Matthew J. Wargo, Jenna L. Bement, Karl E. Griswold, Laurie W. Leclair
Bioengineered Lysozyme Reduces Bacterial Burden And Inflammation In A Murine Model Of Mucoid Pseudomonas Aeruginosa Lung Infection, Charlotte C. Teneback, Thomas C. Scanlon, Matthew J. Wargo, Jenna L. Bement, Karl E. Griswold, Laurie W. Leclair
Dartmouth Scholarship
The spread of drug-resistant bacterial pathogens is a growing global concern and has prompted an effort to explore potential adjuvant and alternative therapies derived from nature's repertoire of bactericidal proteins and peptides. In humans, the airway surface liquid layer is a rich source of antibiotics, and lysozyme represents one of the most abundant and effective antimicrobial components of airway secretions. Human lysozyme is active against both Gram-positive and Gram-negative bacteria, ac
Pilot Study Of Cyp2b6 Genetic Variation To Explore The Contribution Of Nitrosamine Activation To Lung Carcinogenesis, Catherine Wassenaar, Qiong Dong, Christopher Amos, Margaret Spitz, Rachel F. Tyndale
Pilot Study Of Cyp2b6 Genetic Variation To Explore The Contribution Of Nitrosamine Activation To Lung Carcinogenesis, Catherine Wassenaar, Qiong Dong, Christopher Amos, Margaret Spitz, Rachel F. Tyndale
Dartmouth Scholarship
We explored the contribution of nitrosamine metabolism to lung cancer in a pilot investigation of genetic variation in CYP2B6, a high-affinity enzymatic activator of tobacco-specific nitrosamines with a negligible role in nicotine metabolism. Previously we found that variation in CYP2A6 and CHRNA5-CHRNA3-CHRNB4 combined to increase lung cancer risk in a case-control study in European American ever-smokers (n = 860). However, these genes are involved in the pharmacology of both nicotine, through which they alter smoking behaviours, and carcinogenic nitrosamines. Herein, we separated participants by CYP2B6 genotype into a high- vs. low-risk group (*1/*1 + *1/*6 vs. *6/*6). Odds ratios estimated …