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Publication Open Access 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)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... vitamin D3 or D2, plus a calcium supplement, every day for 3 months. Total serum 25(OH)D, 25(OH)D3 and 25(OH)D2 were measured by LC-MS/MS. Individual genotyping of rs4588 in the DBP gene was performed using real-time PCR. Results: Vitamin D3Publication Metadata only Epidemiological survey of vitamin deficiencies in older Thai adults: Implications for national policy planning(2007-01-01) Prasert Assantachai; Somsong Lekhakula; Mahidol Universitysubjects 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 riskPublication Metadata only 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 Universitypredictive 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...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, itsItem Metadata only Vitamin D and systemic lupus erythematosus(Mahidol University. Mahidol University Library and Knowledge Center, 2024) Chanikarn Patcharapojanart; Kumutnart Chanprapaph; Jutamas Tankunakorngaining 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...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 currentlyPublication Metadata only Effect of oral vitamin E supplementation in children with cholestasis(2002-11-01) Rawiwan Roongpraiwan; Umaporn Suthutvoravut; Belen Feungpean; Pornpimon Phuapradit; Mahidol UniversityE capsule and with 50 IU/kg/day of CWS/F vitamin E were able to normalize vitamin E status in a few cholestatic children who had serum direct bilirubin levels less them 4 mg/dl. In cases of serum direct bilirubin more than 4 mg/dl, neither of vitamin...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 duringPublication Metadata only 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© 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... Practice Guideline defines vitamin D deficiency, insufficiency, and sufficiency as serum concentrations of 25(OH)D of <20 ng/mL, 21–29 ng/mL, and 30–100 ng/mL, respectively. Vitamin D deficiency is a major global public health problem in all age groupsPublication Metadata only 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 Universityindependent 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...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 possiblePublication Metadata only The intriguing correlation between undercarboxylated osteocalcin and vitamin D(2015-01-01) Shutipen Buranasinsup; Narong Bunyaratavej; Mahidol UniversityD and UcOC. The collected data of UcOC and vitamin D levels from 95 healthy volunteers were analyzed. The finding was that there was a weak correlation between UcOC and vitamin D (r = 0.238; p = 0.020) together with UcOC and reciprocal of vitamin D...© 2015, Medical Association of Thailand. All right reserved. Osteocalcin (OC) or bone Gla protein (BGP), a bone specific protein, is one of circulating biomarkers that can be used to determine the quality of bone tissues. It is synthesizedItem Metadata only Gene polymorphisms in homocysteine pathway in relation to homocysteine and vitamin status in overweight/obese Thais(Mahidol University. Mahidol University Library and Knowledge Center, 2023) Kittisak Thawnashom; Rungsunn TungtrongchitrItem Metadata only 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