蛋白质分解

本文主要就干酪成熟过程中来源于乳糖代谢、蛋白质分解、脂肪酶解的风味化合物及影响风味形成的多种因素作了概述。

The flavor compounds from lactose fermentation , proteolysis and lipolysis , and the effect of some factors on flavor development were mainly discussed .

严重体表烫伤早期TNF对骨骼肌蛋白质分解代谢影响的实验研究

Dynamic study of TNF effects on skeletal muscle proteolysis in early stage of severe scalding in rats

局部高浓度的TNF是蛋白质分解代谢增强的重要原因之一；

Localized increase of TNF concentration is the important cause of protein catabolism .

吲哚美辛对COPD营养不良模型大鼠骨骼肌蛋白质分解代谢的影响

Influence of Indomethacin on Skeletal Muscle Protein Catabolism in COPD Malnutrition Rats

烫伤早期TNFα与IL-1增强骨骼肌蛋白质分解代谢作用机制的研究

Mechanism of TNF α and IL-1 enhancing protein catabolism in skeletal muscles of mice in early stage after severe burn

氨（HN3）是人体蛋白质分解代谢产物之一。

Ammonia ( NH_3 ) is a proteinic catabolite in a human body .

提示远隔部位骨骼肌中TNF含量受创伤局部TNF含量的影响，局部高浓度的TNF可能是导致蛋白质分解的重要原因。

These facts imply that the TNF increase of the muscles of the remote region is affected by that of the scalded region and local high TNF content may be an important cause to result in increased protein catabolism ;

目的观察严重烫伤小鼠早期TNFα与IL1对骨骼肌蛋白质分解代谢的影响及其机制。

Objective To observe the effects and mechanism of TNF α and IL 1 on protein catabolism of skeletal muscles of mice in the early stage of severe burn .

我们应用腹腔感染诱发多器官衰竭（MOF）的动物模型观察不同热量全肠外营养（TPN）对MOF兔的器官功能、氮平衡和蛋白质分解代谢的影响。

Rabbits with MOF induced by intraab-dominal sepsis were used to observe the effect of TPN with different amount of calorie on organ function , nitrogen balance and protein catabolism .

结果：治疗组28例中所测得的平均时间尿素氮浓度（TACurea）、蛋白质分解率（PCR）及G&S指数（KT/V值）均明显优于对照组（P<0.05）。

Results : Time - averaged urea concentration , protein decomposition rate ( PCR ) and C - S indexes ( KT / V ) in the treatment group were significantly superior to those in the control group ( P < 0 . 05 ) .

血透组计算透前血尿素氮与CarHb比值（BUN/CarHb），并与血清白蛋白（Alb）、校正蛋白质分解率（nPCR）作相关性分析；

The correlation between BUN / CarHb ratio in hemodialysis group and serum albumin ( Alb ) and the normalized protein catabolic rate ( nPCR ) was analyzed .

未伤肢蛋白质分解速率48h高于正常，但72h已降至正常水平，伤肢则在72h明显高于正常与未伤肢，骨骼肌溶酶体组织蛋白酶活性与分解速率呈明显正相关。

The protein catabolic rate of uninjured limb was higher than the normal at h 48 , but it came to normal level at h 72 . The rate of the injured limb was higher than that of normal and uninjured limbs significantly 72 h after the scalding .

结论烫伤早期TNFα、IL1增强溶酶体内组织蛋白酶的活性导致骨骼肌蛋白质分解代谢的过度增强，从而造成机体负氮平衡是直接的，可能不受激素影响。

Conclusion In the early stage of scald injury , TNF α and IL 1 could enhance the lysosomal protease activity , increase the protein catabolic rate in skeletal muscle and promote the negative nitrogen balance directly . These effects may not depend on the actions of emergent hormones .

研究发现：模拟4000m海拔高度进行1～3周耐力训练后，大鼠骨骼肌蛋白质分解代谢显著增强，血清睾酮含量显著降低，而肌糖原含量升高不明显。

It was found that after the stimulated plateau endurance training at the elevation of 4000m for 1 ~ 3 weeks protein catabolism of skeletal muscles in rats was strengthened remarkably . Contents of serum testosterone decreased significantly , but muscle glycogen contents did not increase remarkably .

制曲微生物及蛋白质分解力的关系初探

Relationship Between Microbe and the Protein - decomposing Abilities

内毒素对大鼠严重体表烫伤早期骨骼肌蛋白质分解代谢的影响

Effects of endotoxin on protein catabolism of skeletal muscles in severe scalding rats

外科重危病人蛋白质分解代谢和细胞因子变化的临床意义

Clinical significance of the protein catabolism and cytokines changes in critical surgical patients

纠正酸中毒对尿毒症患者骨骼肌蛋白质分解率的影响

Effect of Correction of Metabolic Acidosis on Skeletal Muscle Protein Degradation in Uremic Patients

结论伤后骨骼肌蛋白质分解增强；

Conclusion The protein catabolism increased after scalding .

家蚕消化液蛋白质分解酶活性及同功酶的研究

Studies on the protease activity and isoenzyme in digestive fluid of the silkworm larvae

所以酮体对于骨骼肌蛋白质分解有直接抑制作用。

Therefore the ketone body has the direct inhibitory action regarding the skeletal muscle protein decomposition .

烫伤大鼠比目鱼肌氧化还原状态变化与蛋白质分解代谢的关系

Relationship between the state of oxidation-reduction and protein degradation in the scalded soleus muscle of rats

胃蛋白酶胃液中一种消化酶，加速将蛋白质分解成肽。

A digestive enzyme found in gastric juice that catalyzes the breakdown of protein to peptides .

胃中产生的一种酶，被酸激活后能将蛋白质分解成蛋白胨。

An enzyme produced in the stomach ; when activated by acid it splits proteins into peptones .

皮质激素的释放促进骨骼肌蛋白质分解，骨骼肌的谷氨酰胺释放增加，用于肠修补。

The elaboration of glucocorticoid facilitates proteolysis , thus increasing glutamine release from skeletal muscle for gut repair .

过多的糖负荷有可能加重肺损伤、增加应激水平和加剧蛋白质分解代谢。

Excessive glucose burden might aggravate the lung damage , increase the stress level and worsen the protein catabolism .

表明环氧酶抑制剂可以减轻创伤时的应激反应和减少蛋白质分解代谢。

It is suggested that cyclo oxygenase inhibitor could attenuate stress response and reduce protein catabolism in traumatic patients .

同时这些摄入的脂肪会影响体内激素平衡，导致蛋白质分解加速。

Furthermore , additional adipose mass can radically alter hormone balances which are responsible for controlling protein breakdown in muscle .

危重病患者血浆可溶性肿瘤坏死因子受体与蛋白质分解代谢的关系及其预后价值

Correlation between soluble tumor necrosis factor receptor and protein catabolism and its value in predicting prognosis in critically ill patients

无花果含有丰富的蛋白质分解酶、脂酶、淀粉酶和氧化酶等酶类，它们都能促进蛋白质的分解。

Figs are rich in protein decomposition enzymes , lipase , amylase and oxidase enzymes , which can promote the decomposition of proteins .