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Skip to Search Results- 15Graduate and Postdoctoral Studies (GPS), Faculty of
- 15Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 2Biological Sciences, Department of
- 2Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 1Agricultural, Food and Nutritional Science, Department of
- 1Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
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Fall 2023
Infants and children require a net positive calcium (Ca2+) balance to achieve optimal bone mineral density by early adulthood. Vitamin D is a hormone that increases blood Ca2+ levels by increasing intestinal absorption and renal reabsorption of Ca2+ as well as bone remodelling. In both the kidney...
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Fall 2023
Central to calcium homeostasis and bone health is adequate intestinal calcium absorption. Calcium from the diet is absorbed via either a transcellular or a paracellular pathway both of which are regulated by calciotropic hormones. In cases of low dietary calcium availability, a transcellular...
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Spring 2022
Alzheimer’s Disease (AD) is an insidious, progressive neurodegenerative disease responsible for the majority of dementia cases worldwide. Despite extensive research and clinical trials, there are currently no approved treatments that alter the progression of the disease. Treating classic...
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Spring 2021
Hyperphosphatemia, elevated serum phosphate (Pi), is an electrolyte imbalance frequently associated with chronic kidney disease (CKD) and end-stage renal disease (ESRD). There are many negative consequences of hyperphosphatemia including worsening renal function, secondary hyperparathyroidism,...
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Delineation of molecular mechanisms of intestinal calcium absorption during postnatal development
DownloadFall 2021
Infants and children must maintain a positive calcium balance for appropriate growth. Evidence suggests that adaptations in intestinal absorption of calcium are the major determinant of this net balance. However, the molecular details of the pathways mediating this increased absorption at a young...
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Spring 2020
Calcium homeostasis is essential and central to a variety of cellular processes from cell life and death pathways to metabolism to muscle contraction. One component that is essential to intracellular calcium regulation is known as the sarco(endo)plasmic reticulum Ca-ATPase, or SERCA. SERCA...
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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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Effects of dietary phosphorus and calcium levels and phytase supplementation on bone metabolism of egg-laying hens
DownloadFall 2018
The importance of this Ph.D. thesis work is to assess the effects of dietary available phosphorus (avP) and calcium (Ca) levels and phytase supplementation in egg-laying hens and broilers. Two trials were conducted to evaluate the effects of marginal, moderate, and severe reduction in dietary avP...
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Calcium and Vitamin D Intake During Pregnancy and Postpartum in the Alberta Pregnancy Outcomes and Nutrition (APrON) Study
DownloadFall 2016
Calcium and vitamin D are important in maintaining a healthy pregnancy. Low intake/status has been associated with preeclampsia, preterm delivery, lower birth weight, poor fetal skeletal growth, reduced bone mass, and excessive maternal bone loss. Rarely have these nutrients been examined...
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Effects of Root Zone pH, Calcium and Phosphorus Supply on Selected Boreal Forest Plant Species
DownloadSpring 2015
Soil pH is among the major environmental factors affecting plant growth. In the reclaimed areas following open-pit oil sands mining in northeastern Alberta, Canada, the pH of reclaimed soil is commonly higher than 8.0. The optimum range of soil pH for growth and the tolerance of pH extremes...