Search Results - "Sylvester, J.T."

Hypoxia Inducible Factor 1 Mediates Hypoxia-Induced TRPC Expression and Elevated Intracellular Ca2+ in Pulmonary Arterial Smooth Muscle Cells by Wang, Jian, Weigand, Letitia, Lu, Wenju, Sylvester, J T, Semenza, Gregg L, Shimoda, Larissa A

“…Chronic hypoxia (CH) causes pulmonary vasoconstriction because of increased pulmonary arterial smooth muscle cell (PASMC) contraction and proliferation. We…”
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Acetazolamide prevents hypoxia-induced reactive oxygen species generation and calcium release in pulmonary arterial smooth muscle by Shimoda, Larissa A., Suresh, Karthik, Undem, Clark, Jiang, Haiyang, Yun, Xin, Sylvester, J.T., Swenson, Erik R.

“…Upon sensing a reduction in local oxygen partial pressure, pulmonary vessels constrict, a phenomenon known as hypoxic pulmonary vasoconstriction. Excessive…”
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Investigating unsaturated fat, monensin, or bromoethanesulfonate in continuous cultures retaining ruminal protozoa. I. Fermentation, biohydrogenation, and microbial protein synthesis by Karnati, S K R, Sylvester, J T, Ribeiro, C V D M, Gilligan, L E, Firkins, J L

“…Methane is an end product of ruminal fermentation that is energetically wasteful and contributes to global climate change. Bromoethanesulfonate,…”
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Rumen ciliated protozoa decrease generation time and adjust 18S ribosomal DNA copies to adapt to decreased transfer interval, starvation, and monensin by Sylvester, J T, Karnati, S K R, Dehority, B A, Morrison, M, Smith, G L, St-Pierre, N R, Firkins, J L

“…Defaunation studies have documented decreased ammonia concentrations associated with reduced microbial protein recycling and wastage of dietary protein,…”
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Determination of rumen degradability and ruminal effects of three sources of methionine in lactating cows by Noftsger, S, St-Pierre, N R, Sylvester, J T

“…Objectives were to quantify the ruminal effects and flows to the omasum of Met provided as 2-hydroxy-4-(methylthio)-butanoic acid (HMB), the isopropyl ester of…”
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Acute and chronic hypoxic pulmonary vasoconstriction: a central role for endothelin-1? by Shimoda, Larissa A, Sham, James S.K, Liu, Qiang, Sylvester, J.T

“…In the pulmonary circulation, a decrease in oxygen tension results in the development of hypoxic pulmonary vasoconstriction (HPV), although the exact mechanism…”
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Dr Solbert Permutt, 1925–2012 by Mitzner, Wayne, Sylvester, J.T.

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An uncommon mimic of an acute asthma exacerbation by Zaas, David, Brock, Malcolm, Yang, Stephen, Sylvester, J T

“…Foreign body aspiration in adults has a variety of clinical presentations and often goes unrecognized. We describe the case of a patient who experienced crack…”
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Development of an assay to quantify rumen ciliate protozoal biomass in cows using real-time PCR by Sylvester, John T, Karnati, Sanjay K R, Yu, Zhongtang, Morrison, Mark, Firkins, Jeffrey L

“…Currently used microbial markers cannot distinguish protozoal nitrogen (N) from bacterial N, thus limiting research on protozoal quantification in vivo by the…”
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Impaired physiological responses to chronic hypoxia in mice partially deficient for hypoxia-inducible factor 1α by Yu, Aimee Y., Shimoda, Larissa A., Iyer, Narayan V., Huso, David L., Sun, Xing, McWilliams, Rita, Beaty, Terri, Sham, James S.K., Wiener, Charles M., Sylvester, J.T., Semenza, Gregg L.

“…Chronic hypoxia induces polycythemia, pulmonary hypertension, right ventricular hypertrophy, and weight loss. Hypoxia-inducible factor 1 (HIF-1) activates…”
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Dietary crude protein intake influences rates of whole-body protein synthesis in weanling horses by Tanner, S.L., Wagner, A.L., Digianantonio, R.N., Harris, P.A., Sylvester, J.T., Urschel, K.L.

“…The objective of this study was to measure whole-body protein kinetics in weanling horses receiving forage and one of two different concentrates: (1)…”
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Evaluation of a real-time PCR assay quantifying the ruminal pool size and duodenal flow of protozoal nitrogen by Sylvester, J T, Karnati, S K R, Yu, Z, Newbold, C J, Firkins, J L

“…We have recently developed a real-time polymerase chain reaction (PCR) assay to quantify copies of the genes encoding protozoal 18S rRNA. The assay includes…”
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Effects of 2-hydroxy-4-(methylthio) butanoic acid (HMB) and its isopropyl ester on milk production and composition by Holstein cows by St-Pierre, N R, Sylvester, J T

“…The esterification of 2-hydroxy-4-(methylthio)-butanoic acid (HMB) to isopropanol (HMBi) decreases the rate and extent of its ruminal breakdown. The modes of…”
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Supplemental leucine's influence on plasma glucose, insulin, and amino acid responses in Quarter Horse yearlings by Etz, L.C., Lambert, N.M., Sylvester, J.T., Urschel, K.L., Staniar, W.B.

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Assessment of ruminal bacterial populations and protozoal generation time in cows fed different methionine sources by Karnati, S K R, Sylvester, J T, Noftsger, S M, Yu, Z, St-Pierre, N R, Firkins, J L

“…Methionine supplemented as 2-hydroxy-4-(methylthio)-butanoic acid (HMB) has been suggested to alter bacterial or protozoal populations in the rumen. Our…”
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Postprandial Changes in Plasma Free Amino Acids in Weanling Horses by Digianantonio, R.N., Wagner, A.L., Tanner, S.L., Ennis, R.B., Harris, P.A., Sylvester, J.T., Urschel, K.L.

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Hypoxia Inducible Factor 1 Mediates Hypoxia-Induced TRPC Expression and Elevated Intracellular Ca 2+ in Pulmonary Arterial Smooth Muscle Cells by Wang, Jian, Weigand, Letitia, Lu, Wenju, Sylvester, J.T., L. Semenza, Gregg, Shimoda, Larissa A.

“…Chronic hypoxia (CH) causes pulmonary vasoconstriction because of increased pulmonary arterial smooth muscle cell (PASMC) contraction and proliferation. We…”
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Technical note: Specific PCR amplification of protozoal 18S rDNA sequences from DNA extracted from ruminal samples of cows by Karnati, S.K.R, Yu, Z, Sylvester, J.T, Dehority, B.A, Morrison, M, Firkins, J.L

“…A protozoa-specific primer (P-SSU-342f) was designed and paired with a eukarya-specific primer to amplify a 1,360-bp fragment of DNA encoding protozoal small…”
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Lactation performance by dairy cows fed wet brewers grains or whole cottonseed to replace forage by Firkins, J L, Harvatine, D I, Sylvester, J T, Eastridge, M L

“…Holstein cows starting at wk 8 of lactation were used to evaluate lactation performance when wet brewers grains, whole linted cottonseed, or starch-coated…”
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A comparative study of EPR spin trapping and cytochrome c reduction techniques for the measurement of superoxide anions by Sanders, S P, Harrison, S J, Kuppusamy, P, Sylvester, J T, Zweier, J L

“…Superoxide anions (O2.-) generated by the reaction of xanthine with xanthine oxidase were measured by the reduction of cytochrome c and by electron…”
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