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一般描述
甜菜碱是一种季铵盐，广泛存在于动植物和微生物中。它也是一种良好的食物来源，因为它在小麦，菠菜，贝类和甜菜均有发现。甜菜碱是氨基酸甘氨酸的甲基衍生物。它有不同的名字，如三甲基甘氨酸，甘氨酸甜菜碱，赖氨酸和三甲甘胺酸。
应用
甜菜碱对冷冻再生的抗氧化影响已得到研究。
生化/生理作用
甜菜碱是胆碱氧化代谢的终产物，是一种通用的甲基供体，特别存在于甲硫氨酸生物合成的一个次要途径中。它被用于治疗同型半胱氨酸尿症，一种在蛋氨酸生物合成主要途径的缺陷。
甜菜碱除参与转甲基化外，还具有保护细胞在应激状态下的有机渗透作用。这在植物和微生物中得到了明显的观察。已知甜菜碱还可以增加 S-腺苷蛋氨酸的水平，从而可能减少肝脂肪变性的影响。
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Antioxidant and anti-stress compounds improve regrowth of cryopreserved Rubus shoot tips
Uchendu EE, et al.
In Vitro Cellular & Developmental Biology, 46(4), 386-393 (2010)
Jindong Hao et al.
Animals : an open access journal from MDPI, 11(6) (2021-07-03)
m6A is one of the most common and abundant modifications of RNA molecules present in eukaryotes. The methyltransferase complex, consisting of methyltransferase-like 3 (METTL3), METTL14, and WTAP, is responsible for the m6A modification of RNA. WTAP was identified as an
L Garcia-Gonzalez et al.
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High pressure carbon dioxide (HPCD) treatment is currently considered as an attractive non-thermal process for preserving food. Industrial application of this technique requires, among others, systematic (quantitative) data on the inactivation of food relevant pathogenic and spoilage microorganisms, and in-depth
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Experimental autoimmune uveitis (EAU) is an animal model of human autoimmune uveitis that is characterized by the infiltration of autoimmune T cells with concurrent increases in pro-inflammatory cytokines and reactive oxygen species. This study aimed to assess whether betaine regulates
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The effective cryopreservation of mesenchymal stem cells (MSCs) is indispensable to the operation of basic research and clinical transplantation. The prevalent protocols for MSC cryopreservation utilize dimethyl sulfoxide (DMSO), which is easily permeable and able to protect MSCs from cryo-injuries
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