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DNA sequence variation in the promot...

Prior, Steven John.

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DNA sequence variation in the promoter region of the VEGF gene: Impacts on VEGF gene expression and maximal oxygen consumption.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	DNA sequence variation in the promoter region of the VEGF gene: Impacts on VEGF gene expression and maximal oxygen consumption./
作者:	Prior, Steven John.
面頁冊數:	100 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-08, Section: B, page: 4066.
Contained By:	Dissertation Abstracts International66-08B.
標題:	Biology, Genetics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3184280
ISBN:	9780542259418

DNA sequence variation in the promoter region of the VEGF gene: Impacts on VEGF gene expression and maximal oxygen consumption.
Prior, Steven John.

DNA sequence variation in the promoter region of the VEGF gene: Impacts on VEGF gene expression and maximal oxygen consumption. - 100 p.

Source: Dissertation Abstracts International, Volume: 66-08, Section: B, page: 4066.

Thesis (Ph.D.)--University of Maryland, College Park, 2005.

Maximal oxygen consumption (Vo2max) is inversely associated with cardiovascular and all-cause mortality and is responsive to aerobic exercise training. A portion of the increase in Vo2max with aerobic exercise training can be attributed to an increase in skeletal muscle capillarity (i.e., angiogenesis), which contributes to increased blood flow and oxygen extraction in working skeletal muscle. One contributing factor to exercise-induced angiogenesis is vascular endothelial growth factor (VEGF), as it is an endothelial cell proliferation and migration factor that is upregulated by acute aerobic exercise. Significant variability has been observed in VEGF protein levels, VEGF gene expression, skeletal muscle capillarity, and Vo2max before and after aerobic exercise training. Additionally, variability is found in the DNA sequence of the gene encoding VEGF. Variation in the VEGF gene has the ability to impact VEGF gene expression and VEGF protein level and because of the relationship between VEGF, angiogenesis, and Vo2max, we hypothesized that variation in the VEGF gene is related to VEGF gene expression in human myoblasts, plasma VEGF level, and Vo2max before and after aerobic exercise training.

ISBN: 9780542259418Subjects--Topical Terms:

1017730
Biology, Genetics.

DNA sequence variation in the promoter region of the VEGF gene: Impacts on VEGF gene expression and maximal oxygen consumption.
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245 1 0 $a DNA sequence variation in the promoter region of the VEGF gene: Impacts on VEGF gene expression and maximal oxygen consumption.
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500 $a Director: Stephen M. Roth.
502 $a Thesis (Ph.D.)--University of Maryland, College Park, 2005.
520 $a Maximal oxygen consumption (Vo2max) is inversely associated with cardiovascular and all-cause mortality and is responsive to aerobic exercise training. A portion of the increase in Vo2max with aerobic exercise training can be attributed to an increase in skeletal muscle capillarity (i.e., angiogenesis), which contributes to increased blood flow and oxygen extraction in working skeletal muscle. One contributing factor to exercise-induced angiogenesis is vascular endothelial growth factor (VEGF), as it is an endothelial cell proliferation and migration factor that is upregulated by acute aerobic exercise. Significant variability has been observed in VEGF protein levels, VEGF gene expression, skeletal muscle capillarity, and Vo2max before and after aerobic exercise training. Additionally, variability is found in the DNA sequence of the gene encoding VEGF. Variation in the VEGF gene has the ability to impact VEGF gene expression and VEGF protein level and because of the relationship between VEGF, angiogenesis, and Vo2max, we hypothesized that variation in the VEGF gene is related to VEGF gene expression in human myoblasts, plasma VEGF level, and Vo2max before and after aerobic exercise training.
520 $a The present report shows that VEGF promoter region haplotype impacts VEGF gene expression in human myoblasts in vitro. It was also found that VEGF promoter region haplotype was associated with Vo2max in older men and women before and after exercise training in a manner that is consistent with the results of the VEGF gene expression experiments. Additionally, we found that plasma VEGF level was not associated with VEGF promoter region haplotype, nor did plasma VEGF level correlate with baseline Vo2max or DeltaVo2max with aerobic exercise training. To date, we are the first to report that VEGF promoter region haplotype impacts VEGF gene expression in human myoblasts and is associated with Vo2max. These results have potential implications for aerobic exercise training and may also contribute to the understanding of the function of the VEGF promoter region in different cell types. Furthermore, these results may prove relevant in the study of pathological conditions which can be affected by angiogenesis, namely obesity, cancer, coronary artery disease, and peripheral artery disease.
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