purine

Free radicals were produced in the process of arachidonic acid metabolism, adenosine purine nucleotide metabolism and nitric oxide pathway after cerebral ischemia and reperfusion, which may be an important mechanism of BBB permeability alteration.

脑缺血及其再灌注后可通过花生四烯酸代谢途径、嘌呤核苷酸代谢途径及一氧化氮途径产生自由基，可能是血脑屏障通透性增加的重要机制。

Uric acid as the end-product of purine metabolism in human body is excreted through kidney.

尿酸是人体嘌呤碱基分解代谢终产物,经肾脏排泄.

The end product of purine metabolism varies from species to species.

嘌呤代谢是动物含氮废物排出体外的重要途径之一。

These genes involved in ribosome, photosynthesis, oxidative phosphorylation, purine and pyrimidine metabolism and chlorophyll biosynthesis.

Pathway分析发现这些差异基因涉及最多的是核糖体、光合作用、氧化磷酸化、嘌呤嘧啶代谢和叶绿素合成途径中。

Gout is due to the excessive of uric acid owing to the metabolism disorder of purine in vivo.

痛风症（gout）是由于体内嘌呤代谢紊乱导致尿酸生成过多的疾病，已被联合国列为21世纪二十大顽症之一。

Conclusion Administration of heroin can enhance the activities of ADA and XOD and promote the purine nucleotides catabolism in spleen.

结论：海洛因给药使脾中ADA、XOD活力升高，引起嘌呤核苷酸分解代谢增强，而且脾细胞核苷酸分解代谢增强是海洛因依赖引起的免疫力下降的重要原因。

Uric acid ( UA ) is an end product from purine derivatives in human metabolism.

尿酸是嘌呤的最终代谢产物.

The substitution of a purine for a pyrimidine, or vice versa is a transversion.

嘌呤为嘧啶取代或嘧啶为嘌呤所取代,叫做颠换.

In the field of conservation physiology, we chose urinary purine derivatives and their ratio to creatinine for the fine time-scale analysis, which could estimate deer nutritional condition preciously.

在保护生理学范畴内，选用了尿液嘌呤衍生物以及尿液嘌呤衍生物与肌酐的比值作为适用于小时间尺度，且能够精确评估鹿类营养状态的指标。

beer contains vitamins B1, it is the purine nucleotide catabolism, and a catalyst.

啤酒含有维生素B1，是嘌呤核苷酸分解代谢，和催化剂。

Binding of Purine Nucleotides to Brown Adipose Tissue Uncoupling Protein from Different Kinds of Animals

不同动物棕色脂肪组织解偶联蛋白与嘌呤核苷酸结合之比较

Objective : To make of high yield protection of purine ribonucleosides for phosphoramidite RNA synthesis.

目的: 制备磷酰胺RNA核糖核苷酸嘌呤的高区域保护.

Determination of rumen microbial-nitrogen of sheep using urinary excretion of purine derivatives was studied.

研究了用绵羊尿中嘌呤衍生物估测瘤胃微生物氮.

Uric acid stones are not eating high-purine foods, such as animal offal, seafood.

尿酸结石者不宜食高嘌呤食物, 如动物内脏 、 海鲜食品.

A drug ( trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia.

用来干扰嘌呤新城代谢和严重的白血病的药物（商标是巯基嘌呤）。

Objective : To investigate the effect of morphine on purine nucleotide catabolism and the mechanism.

目的: 研究吗啡依赖及戒断对嘌呤核苷酸分解代谢的影响与作用机制.

The enzyme hypoxanthine-guanine phosphoribosyltransferase ( HPRT) plays an important role in the purine salvage pathways. Evaluation of Cell-mediated Protective Immunity to Hypoxanthine Guanine Xanthine Phosphoribosyl Transferase ( HGXPRT) of Plasmodium Falciparum

次黄嘌呤鸟嘌呤磷酸核糖转移酶（Hprt）参与嘌呤核苷酸的补救合成。恶性疟原虫次黄嘌呤鸟嘌呤黄嘌呤磷酸核糖转移酶细胞免疫保护作用的研究

We used thiourea as the sulfuration reagent of purine C-6 position, easily synthesized 6-thiopurine nucleoside analogues in ethanol under microwave irradiation.

利用硫脲作为嘌呤C-6位的硫化试剂，在乙醇中经微波辐射，简便地合成了6-硫代嘌呤核苷类似物。

Caffeine, a purine alkaloid, is a key component of tea and coffee.

咖啡因是一种嘌呤生物碱, 存在于茶和咖啡中.

Adenine has a purine ring structure.

腺嘌呤具有嘌呤环的结构.

Adenine A nitrogenous base ( 6-amino-purine ) found in DNA and RNA.

腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).

Formaldehyde is intermediate product of purine and thymine biosynthesis.

甲醛还是嘌呤、胸腺嘧啶生物合成的中间产物。

Adenylosuccinate lyase ( ADSL ) is a bifunctional enzyme catalyzing de novo purine synthesis and purine nucleotide recycling.

腺苷酸琥珀酸裂解酶 ( dsl ) 催化嘌呤核苷酸的从头合成与嘌呤核苷酸循环的双功能酶.

Gout is a metabolic disease of tissue damage due to long-term purine metabolic disturbance, rising serum uric acid.

痛风是长期嘌呤代谢障碍、血尿酸增高引起的代谢性疾病，高尿酸血症是痛风的重要生化基础。

Objective To investigate the effects of heroin on plasma uric acid and purine nucleotides catabolism in rat spleen by testing the activities of adenosine deaminase ( ADA) and xanthine oxidase ( XOD).

目的：研究海洛因依赖对大鼠血浆尿酸含量和脾中腺苷脱氨酶（ADA）、黄嘌呤氧化酶（XOD）的影响。

These high-purine foods that you should be eating include peas, beans, spinach , cauliflower, asparagus, and mushrooms.

这些应该吃的高嘌呤食物包括豌豆 、 大豆 、 菠菜、花菜 、 芦笋和蘑菇.

DNA methylation is the only known covalent modification of DNA molecule. It is accomplished by transfer of the methyl group from S-adenosyl methionine to 5 position of the purine ring of cytosine.

DNA甲基化（DNA Methylation）是目前已知的唯一天然的DNA共价修饰方式，由DNA转移酶催化，将S-腺苷甲硫氨酸上的甲基转移到胞嘧啶嘌呤环的第五位碳原子上。

The analytic method ( HPLC ) of purine compounds content in beer was developed.

建立了 高效液相色谱 法测定啤酒中嘌呤类物质含量的分析方法.

Gout is caused by abnormal metabolism of purine.

痛风是由于嘌呤代谢异常引起的疾病.

Base pairing The bonding relationship between purine and pyrimidine bases in the nucleotides of DNA and RNA.

碱基配对：在DNA和RNA的核苷酸中，嘌呤和嘧啶之间相匹配的关系。