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单词 homocysteine
释义

homocysteine /ˌhomə'sɪstə,in//ˌhoməˈsɪstəˌin/

英汉-汉英词典
n. 高半胱氨酸,同型半胱氨酸,巯基丁氨酸
词组 | 习惯用语
您要查找的是不是:
  • homeostasis n. 动态静止,动态平衡,(社会群体的)自我平衡,原状稳定
  • homogeneity n. 同种,同质,同次性
  • Holstein n. 荷兰的一种乳牛;黑白花牛
homocysteine n. [生化] 同型半胱氨酸;高半胱氨酸;巯基丁氨酸

网络短语:
homocysteine Hey 同型半胱氨酸
homocysteine transhydrogenase 释义谷胱甘肽高半胱氨酸转氢酶
Hcy homocysteine 同型半胱氨酸
total homocysteine 血浆总同型半胱氨酸;总同型半胱氨酸;同型半胱氨酸;代谢物半胱氨酸
Serum homocysteine 血清同型半胱氨酸
adenosyl homocysteine 腺苷同型半胱氨酸
homocysteine Hcy 胱氨酸;同型半胱氨酸
homocysteine disease 高半胱氨酸血症
homocysteine carotid 同型半胱氨酸
英语例句库
  1. The mutant result LSD-t check of the 2 sites showed that mean difference of homozygote and heterozygote, homozygote and concentration of wild type homocysteine had statistical significance (P< 0.05).
    2个位点突变结果LSD-t检验显示纯合子与杂合子,纯合子与野生型血浆同型半胱氨酸浓度均数差有统计学意义(P<0.05)。

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原声例句
WIL生活启示录

The other worry about meat is homocysteine, homocysteine is well-known for its apparent contribution to heart disease.

关于肉食的另一个担忧是巯基丁氨酸,众所周知,巯基丁氨酸会导致心脏病。

WIL生活启示录

So, once methionine donates that methyl group, it becomes homocysteine.

所以,一旦甲硫酸铵“捐献”出甲基组,就会变成基丁氨酸

WIL生活启示录

As was discussed earlier in the video, you want to keep homocysteine down and you need B vitamins like B12 to do that.

正如本视频之前所讨论的,巯基丁氨酸水平不能高,维生素 B12 可降低巯基丁氨酸的水平。

WIL生活启示录

This study also found that 16% of the omnivores, 38% of the vegetarians, and 67% of the vegans had high homocysteine levels.

这项研究发现,16% 的杂食者、38% 的素食者以及 67% 的纯素食者的巯基丁氨酸水平偏高。

WIL生活启示录

But, In order to get rid of the homocysteine, you need all the B vitamins. And... animal foods are quite high in B vitamins.

但是,摄入维他命 B 族能将基丁氨酸排出体外,巧的是,动物性食品中充满了 B 族维生素。

中文百科

高半胱氨酸

高半胱氨酸可以转化为甲硫氨酸或胱硫醚

高半胱氨酸英语:Homocysteine,或称为同型半胱氨酸同半胱氨酸)是氨基酸半胱氨酸的异种,在旁链部份硫醇基(-SH)前包含一个额外的亚甲基(-CH2-)。

高半胱氨酸的额外亚甲基使硫醇基更接近羧基,令它能起动化学反应形成一个五元环,称为高半胱氨酸硫内酯。当氨基酸正常地与它的毗邻形成一个肽键就会产生这种反应。高半胱氨酸所以是不适合与蛋白质混合,这是因含有高半胱氨酸的蛋白质会自行分解。

高半胱氨酸是从S-腺苷基蛋氨酸透过两个反应步骤途径形成。并能回转成蛋氨酸,或经过转硫途径而回转为半胱氨酸或牛磺酸。虽然高半胱氨酸可以回转为半胱氨酸,但没有证据显示食用高半胱氨酸会令人类摄取半胱氨酸。

英语百科

Homocysteine 高半胱氨酸

Two of homocysteine's main biochemical roles. (Homocysteine is seen in the left middle of the image.) It can be synthesized from methionine and then converted back to methionine via the SAM cycle or used to create cysteine and alpha-ketobutyrate.
MTHFR metabolism: folate cycle, methionine cycle, trans-sulfuration and hyperhomocysteinemia. 5-MTHF: 5-methyltetrahydrofolate; 5,10-methyltetrahydrofolate; BAX: Bcl-2-associated X protein; BHMT: betaine-homocysteine S-methyltransferase; CBS: cystathionine beta synthase; CGL: cystathionine gamma-lyase; DHF: dihydrofolate (vitamin B9); DMG: dimethylglycine; dTMP: thymidine monophosphate; dUMP: deoxyuridine monophosphate; FAD+ flavine adenine dicucleotide; FTHF: 10-formyltetrahydrofolate; MS: methionine synthase; MTHFR: mehtylenetetrahydrofolate reductase; SAH: S-adenosyl-L-homocysteine; SAME: S-adenosyl-L-methionine; THF: tetrahydrofolate.
Total plasma homocysteine

Homocysteine /ˌhmˈsɪstn/ is a non-protein α-amino acid. It is a homologue of the amino acid cysteine, differing by an additional methylene bridge (-CH2-). It is biosynthesized from methionine by the removal of its terminal C methyl group. Homocysteine can be recycled into methionine or converted into cysteine with the aid of certain B-vitamins.

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更新时间:2025/6/20 8:48:36