VITAMIN D (CALCITRIOL) INTRODUCTION: Bioactive vitamin D or calcitriol is a steroid hormone that has long been known for its important role in regulating body levels of calcium and phosphorus‚ and in mineralization of bone. More recently‚ it has become clear that receptors for vitamin D are present in a wide variety of cells‚ and that this hormone has biologic effects which extend far beyond control of mineral metabolism. Vitamin D is thus not
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com/archive.php Research article VITAMIN D DEFICIENCY IN THE WELL FED CLASS OF PAKISTAN: THE POSSIBLE CAUSES AND TRENDS Yusra H. Siddiqui *‚ Rashid Minhas‚ Adnan Yaqoob‚ Samina Shakeel Department of Biochemistry‚ Quaid-e-Azam University‚ Islamabad‚ Pakistan This population-based survey was conducted to determine frequency of vitamin D deficiency in the twin cities of Pakistan. 1000 patients were evaluated for tests of circulating 25-hydroxy-vitamin D (25-OHD) levels using electrochemiluminescence
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Journal 2011‚ 10:46 http://www.nutritionj.com/content/10/1/46 RESEARCH Open Access Misleading measures in Vitamin D analysis: A novel LC-MS/MS assay to account for epimers and isobars Iltaf Shah1‚ Ricky James1‚ James Barker2‚ Andrea Petroczi1 and Declan P Naughton1* Abstract Background: Recently‚ the accuracies of many commercially available immunoassays for Vitamin D have been questioned. Liquid chromatography tandem mass spectrometry (LC- MS/MS) has been shown to facilitate accurate
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Vitamin D is a fat-soluble vitamin that can be found in food but significant amounts of vitamin D can also be produced by the body. It can be obtained from sun exposure‚ food‚ and supplements are biologically inert and must undergo two hydroxylations in the body for activation. The two major forms of which are vitamins D2 (ergocalciferol) and vitamin D3 (cholecalciferol). This paper not only looks into the essential function of vitamin D on the subject of bone health‚ but also other non-calcemic
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(neuromuscular spasm) develops. In infants and young children‚ a long-standing calcium intake deficiency‚ in association with suboptimal vitamin D exposure‚ can produce rickets. Indeed‚ in experimental animals and in humans with extremely low vitamin D levels‚ genetic absence of calcitriol (vitamin D–dependent rickets [VDDR] type I)‚ or genetic absence of the vitamin D receptor (VDDR type II)‚ the use of increased calcium supplementation or calcium infusions will prevent and treat rickets. These observations
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U.S. History P.4 D-Day The event that I reenacted was the D-Day invasion. After the German conquest of France in 1940‚ the opening of a second front in western Europe was a major aim of Allied strategy during World War II. On June 6‚ 1944‚ under the code name Operation Overlord‚ US‚ British and Canadian troops landed on the beaches of Normandy‚ France‚ on the English Channel coast east of Cherbourg and west of Le Havre. Under overall command of General Dwight D. Eisenhower and‚ on the ground
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RICKETS For Scientific Principles and Health and Disease By: Mackenzie Gray 112-69-7540 April 7‚ 2010 Rickets is a disease that deals with a deficiency with Vitamin D. Vitamin D is important by controlling calcium and phosphate levels. If the blood levels of these minerals become too low‚ the body may produce hormones that cause calcium and phosphate to be released from the bones eventually this leads to weak and soft bones. (2) Throughout this paper we will go over a variety
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Naomi Ruiz Vitamin D Paper Dear Grandfather‚ After doing extensive research on the extremely controversial and confusing topic of how much vitamin D a person needs I have become much more knowledgeable on the subject. Allow me to enlighten you by first explaining exactly what vitamins are and what they do for your body. According to the book Vitamins‚ vitamins are a group of organic compounds which are essential in very small amounts for the normal functioning of the body (Ball 2004). In the article
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sun exposure‚ or vitamin D. An inverse relationship has been researched and found that those diagnosed with a deficiency in vitamin D can be at a higher risk for developing these forms of cancer. According to the American Cancer Society‚ 209‚060 cases of breast cancer‚ 21‚880 cases of ovarian cancer‚ 217‚730 cases of prostate cancer‚ and 102‚900 cases of colon cancer will be diagnosed in 2010 across the United States (1). Adequate intake or supplementation of vitamin D is a factor that can decrease
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Vitamin D Levels and Multiple Sclerosis Alicia R. Turner ITT TECH Institute Vitamin D Levels and Multiple Sclerosis Multiple Sclerosis is an auto-immune deficient disease with no known cure to date. Multiple Sclerosis is damage done to the fatty sheath‚ myelin‚ which insulates the nerve fibers in the brain. Multiple Sclerosis symptoms or flare-ups‚ as they are often referred‚ may include seizures‚ double vision‚ numbness‚ muscle control‚ difficulty with speech and ability to
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