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    Changes in circulating 25-hydroxyvitamin D according to vitamin D binding protein genotypes after vitamin D3 or D2 supplementation
    (2013) Hataikarn Nimitphong; Sunee Saetung; Suwannee Chanprasertyotin; La-or Chailurkit; Boonsong Ongphiphadhanakul; Mahidol University. Faculty of Medicine Ramathibodi Hospital. Division of Endocrinology and Metabolism
    Background: It is not known whether genetic variation in the vitamin D binding protein (DBP) influences 25-hydroxyvitamin D levels [25(OH)D] after vitamin D supplementation. We aimed to investigate the changes of total 25(OH)D, 25(OH)D3 and 25(OH...)D2 in a Thai cohort, according to type of vitamin D supplement (vitamin D3 or D2) and DBP genotype, after receiving vitamin D3 or D2 for 3 months. Methods: Thirty-nine healthy subjects completed the study. All subjects received 400 IU of either
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    Epidemiological survey of vitamin deficiencies in older Thai adults: Implications for national policy planning
    (2007-01-01) Prasert Assantachai; Somsong Lekhakula; Mahidol University
    subjects aged 60 years and over were recruited. Anthropometric variables, demographic data, blood glucose and lipid profile, albumin, globulin and blood levels of vitamin A, β-carotene, folic acid, vitamin B12, vitamin C, vitamin E and vitamin B1 were all... measured. Results: The prevalence of vitamin deficiencies was 0.6% for vitamin B12, 6.1% for vitamin A, 9.9% for vitamin C, 30.1% for vitamin B 1, 38.8% for erythrocyte folate, 55.5% for vitamin E and 83.0% for β-carotene. Male gender was a common risk
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    Maternal vitamin D status, its associated factors and the course of pregnancy in Thai women
    (2013-01-01) Natthinee Charatcharoenwitthaya; Tongta Nanthakomon; Charintip Somprasit; Athita Chanthasenanont; La Or Chailurkit; Junya Pattaraarchachai; Boonsong Ongphiphadhanakul; Faculty of Medicine, Thammasat University; Mahidol University
    Context There are limited data on the prevalence of vitamin D inadequacy in pregnant women living in Southeast Asia and changes in their vitamin D status during pregnancy. Objectives To determine the prevalence of vitamin D inadequacy, its... predictive factors and the changes in vitamin D status during the course of pregnancy. Design and patients A prospective study of 120 pregnant Thai women with gestational age <14 weeks. Measurements Serum 25 hydroxyvitamin D (25OHD) and clinical data were
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    Vitamin D and systemic lupus erythematosus
    (Mahidol University. Mahidol University Library and Knowledge Center, 2024) Chanikarn Patcharapojanart; Kumutnart Chanprapaph; Jutamas Tankunakorn
    Systemic lupus erythematosus (SLE) is an autoimmune disorder which has been linked to multifactorial aspects such as genetic susceptibility infection and environmental factor. Vitamin D deficiency is one of the compelling factors that are currently... gaining attention. This review summarizes the effect of hypovitaminosis D on SLE development and recommendations for vitamin D supplements in SLE. Existing data indicates high prevalence of vitamin D deficiency among lupus patients. A number of studies
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    Effect of oral vitamin E supplementation in children with cholestasis
    (2002-11-01) Rawiwan Roongpraiwan; Umaporn Suthutvoravut; Belen Feungpean; Pornpimon Phuapradit; Mahidol University
    -tocopherol) were enrolled into this study. After initial evaluation for vitamin E status and liver function, doses of oral vitamin E supplementation were increased to 100 IU/kg/day for 1 month. Then, supplementation was switched to 50 IU/kg/day of CWS/F...Objective: Malabsorption and deficiency of vitamin E are common consequences of chronic cholestasis. The objective of this study was to determine vitamin E status by using plasma vitamin E/total lipid ratio (E/L) in children with cholestasis during
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    Vitamin D for skeletal and non-skeletal health: What we should know
    (2019-11-01) Nipith Charoenngam; Arash Shirvani; Michael F. Holick; Faculty of Medicine, Siriraj Hospital, Mahidol University; Boston Medical Center
    . It is estimated that 1 billion people worldwide have vitamin D deficiency or insufficiency. This pandemic of vitamin D deficiency and insufficiency is attributed to a modern lifestyle and environmental factors that restrict sunlight exposure, which is essential...© 2019 Delhi Orthopedic Association Vitamin D plays an essential role in regulating calcium and phosphate metabolism and maintaining a healthy mineralized skeleton. Humans obtain vitamin D from sunlight exposure, dietary foods and supplements
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    The study of the role of vitamin E in the prevention and treatment of paraquat toxicity
    (Mahidol University. Mahidol University Library and Knowledge Center, 1987) Ratana Saivises; Kampon Sriwatanakul; Punya Temcharoen; Krongtong Yoovathaworn
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    Functitonal indices for assessment of vitamin A status in rural community
    (Mahidol University. Mahidol University Library and Knowledge Center, 1991) Janya Saiui; Em-orn Udomkesmalee; Yongyout Kachondham
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    Effect of vitamin E supplementation on cholesterol metabolism in rabbit
    (Mahidol University. Mahidol University Library and Knowledge Center, 2024) Chopaga Phonpanichrasamee; Prayad Komaratat; Prapon Wilairat; Pichit Tosukhowong
    with only corn oil supplement showed increased plasma cholesterol of up to 1,000 mg % at the end of feeding period, whereas vitamin E supplementation reduced plasma cholesterol after 4 weeks of feeding by approximately 50 % at the end of feeding period...Attempts have been made in this study to confirm the hypocholesterolemic effect of vitamin E in rabbits induced to have hypercholesterolemia by feeding with a high-cholesterol diet and to find out the mechanism by which vitamin E exerts this effect
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    Current daily glucocorticoid use and serum creatinine levels are associated with lower 25(OH) vitamin D levels in thai patients with systemic lupus erythematosus
    (2013-04-01) Sumapa Chaiamnuay; La Or Chailurkit; Pongthorn Narongroeknawin; Paijit Asavatanabodee; Sukij Laohajaroensombat; Pornthita Chaiamnuay; Phramongkutklao College of Medicine; Faculty of Medicine, Thammasat University; Mahidol University
    Background and objective: Because vitamin D deficiency has been previously reported in patients with systemic lupus erythematosus (SLE), we decided to examine the prevalence of vitamin D deficiency in Thai SLE patients, to identify possible... independent factors affecting serum 25-hydroxyvitamin D2 and D3 [25(OH)] vitamin D levels, and to examine the associations of serum 25(OH) vitamin D and disease activity and damage in Thai SLE patients. Methods: A cross-sectional study was performed in 101 SLE