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Skip to Search Results- 5Chan, Catherine B.
- 5Wheeler, Michael B.
- 4Koshkin, Vasilij
- 3Gänzle, Michael G.
- 2Dyck, Jason R. B.
- 2Gifford, D. J.
- 25Graduate and Postdoctoral Studies (GPS), Faculty of
- 25Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 13Agricultural, Food and Nutritional Science, Department of
- 13Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 2Biological Sciences, Department of
- 2Biological Sciences, Department of/Journal Articles (Biological Sciences)
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Fall 2020
Eukaryotic cells are characterized by the presence of membrane-bound organelles. Close proximity between organelles has been observed for decades, but only recently we have really started to understand the importance of these contacts for cellular function. These contacts consist of areas of...
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Fall 2016
Multiple sources suggest that insulin resistance and derangements of cardiac metabolism are among the earliest signs of type-2 diabetes detected in the heart. Unfortunately, limited evidence reflects early changes in cardiac mitochondrial metabolism linked to the development of this disease....
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Expansion of ruminant-specific microRNAs shapes target gene expression divergence between ruminant and non-ruminant species
Download2013
Kommadath, A., Bao, H., Meng, Y., Plastow, G. S., Stothard, P., Sun, X., Arantes, A. S., Guan, L. L.
Background Understanding how species-specific microRNAs (miRNAs) contribute to species-specific phenotypes is a central topic in biology. This study aimed to elucidate the role of ruminant-specific miRNAs in shaping mRNA expression divergence between ruminant and non-ruminant species. ...
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2004
Zhang, Chen-Yu, Chan, Catherine B., Koshkin, Vasilij, Wheeler, Michael B., Lowell, Bradford B., Joseph, Jamie W., Saleh, Monique C., Sivitz, William I.
Chronic exposure to elevated free fatty acids (lipotoxicity) induces uncoupling protein (UCP2) in the pancreatic β-cell, and therefore a causal link between UCP2 and β-cell defects associated with obesity may exist. Recently, we showed that lipid treatment in vivo and in vitro in UCP2(–/–)...
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Glucose-regulated glucagon secretion requires insulin receptor expression in pancreatic α-cells
Download2005
Chan, Catherine B., Wheeler, Michael B., Asghar, Zeenat, Diao, Jingyu
The insulin receptor (IR) and its signaling appear to be essential for insulin secretion from pancreatic β-cells. However, much less is known about the role of the IR in α-cells. To assess the role of the IR in glucagon and insulin secretion, we engineered adeno-viruses for high efficiency small...
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2018-10-16
SSHRC NFRF-E awarded 2019: With the requested funding, I will apply my expertise in T cells and metabolism to identify new potential metabolic drugs that can enhance immune function. We hypothesize that a Insulin-Resistance (IR)-related immune and metabolic defect contributes to increased risk of...
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Impaired de novo choline synthesis explains why phosphatidylethanolamine N-methyltransferase-deficient mice are protected from diet-induced obesity
Download2010
Kuo, Ming-Shang, Dyck, Jason R. B., Sletten, Torunn, Proctor, Spencer D., Jacobs, René L., Lingrell, Susanne, Cao, Guoqing, Peake, David A., Kennedy, Brian P., Zhao, Yang, Vance, Dennis E., Koonen, Debby P. Y., Su, Brian
Phosphatidylcholine (PC) is synthesized from choline via the CDP-choline pathway. Liver cells can also synthesize PC via the sequential methylation of phosphatidylethanolamine, catalyzed by phosphatidylethanolamine N-methyltransferase (PEMT). The current study investigates whether or not hepatic...
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Increased rate of fatty acid uptake and plasmalemmal fatty acid transporters in obese Zucker rats
Download2001
Arumugam, Yoga, Luiken, Joost J. F. P., Dyck, David J., Bonen, Arend, Tandon, Narendra N., Pelsers, Maurice M. L., Bell, Rhonda C., Turcotte, Lorraine P., Glatz, Jan F. C.
Giant vesicles were used to study the rates of uptake of long-chain fatty acids by heart, skeletal muscle, and adipose tissue of obese and lean Zucker rats. With obesity there was an increase in vesicular fatty acid uptake of 1.8-fold in heart, muscle and adipose tissue. In some tissues only...
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Influence of therapeutic hypothermia on neuroprotection and post-ischemic plasticity in a rat model of global ischemia
DownloadFall 2011
Blood flow to the brain may be disrupted by either a stroke (such as focal ischemia or hemorrhage) or cardiac arrest, where the whole brain becomes ischemic. Both forms of injury result in irreversible neuronal loss leading to neurological impairments and a decrease in the quality of life....
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Intracortical administration of pleiotrophin in ischemic stroke: investigating functional outcomes and glial expression
DownloadSpring 2023
Ischemic stroke is the leading cause of disability and third leading cause of death in Canada, exerting a serious burden on stroke survivors, their families, and healthcare resources. Characterized by brain damage due to loss of blood flow and oxygen supply, ischemic stroke is characterized by...