维生素B12，也称为钴胺素，是人体需要但不能产生的一种重要的水溶性维生素。它可以调节同型半胱氨酸水平，大量累积会增加患心脏病发作和中风的风险。维生素 B12和叶酸可以把血液中的同型半胱氨酸转化为蛋氨酸。homocysteine is converted to methionine by using vitamin B12and folic acid as cofactors.维生素B12对于...
试述叶酸(folic acid)及VitB12的药理作用和临床应用。相关知识点: 试题来源: 解析 答:叶酸首先被还原和甲基化成5-甲基四氢叶酸,然后进入细胞内作为甲基供给体使VitB12转成甲基B12,自身变为四氢叶酸,作为一碳单位的载体,参与多种生化代谢。当叶酸及VitB12缺乏时,则出现代谢障碍,其中,最明显的是dTMP合成受阻,...
Introduction: It is essential to achieve remission with induction chemotherapy and then to provide normal hematopoiesis as fast as possible in acute leukemia (AL) patients in order to minimize treatment-related problems. Both vitamin B12 (vitB12) and folic acid (...
维生素B12,也称为钴胺素,是人体需要但不能产生的一种重要的水溶性维生素。 它可以调节同型半胱氨酸水平,大量累积会增加患心脏病发作和中风的风险,维生素 B12和叶酸可以把血液中的同型半胱氨酸转化为蛋氨酸。 homocysteine is converted...
Vitamin B12 and folic acid serum levels in obsessive compulsive disorder. Acta Psychiatr Scand. 1988;78(1):8–10. Hertenstein E, Rose N, Voderholzer U. Mindfulness-based cognitive therapy in obsessive-compulsive disorder – A qualitativestudy on patients’ experiences. BMC Psychiatry. 2012;12(1...
etal.Influences of folate suopple-mentation on homocysteine and cognition in patients with folate deficiency andcognitive impairment[J].Nutrients,2020;12(10):3138.4.Chih-Ying Lee, Lung Chan, Chaur-Jong Hu, Chien-Tai Hong, Jia-Hung Chen.Role of vitamin B12 and folic acid in treatment of...
cid and vitamin B12 Folic acid and vitamin B12Folic acid and vitamin B121) Patients with severe nutritional and pregnancy megaloblastic anaemia were treated with combinations of folic acid and vitamin B12 in doses ranging from an ineffective to a presumed fully effective level. 2) The study was ...
Serum vitamin B12, methylmalonic acid and homocysteine were measured in 41 patients with urinary diversion, including an ileal neobladder in 12, ileal ... AI Sagalowsky,EP Frenkel - 《Journal of Urology》 被引量: 38发表: 2002年 Reconstructive surgery for tuberculous contracted bladder: experience...
[2] Chen H, Liu S, Ge B, et al. Effects of Folic Acid and Vitamin B12 Supplementation on Cognitive Impairment and Inflammation in Patients with Alzheimer's Disease: A Randomized, Single-Blinded, Placebo-Controlled Trial.2021. [3] Shrestha L, Shrestha B, Gautam K, et al. Vitamin B-12...
Abstract. CA 15-3 is a tumor-associated antigen and is overexpressed in breast tumors, and may also be high in some other non-cancerous conditions. The aim of this study was to investigate the effect of megaloblastic anemia due to vitamin B12 or folic acid deficiency on the levels of tumo...