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来自对照儿童或乳糜泻儿童的肠黏膜对麦醇溶蛋白肽的消化。

Digestion of gliadin peptides by intestinal mucosa from control or coeliac children.

作者信息

Carchon H, Serrus M, Eggermont E

出版信息

Digestion. 1979;19(1):1-5. doi: 10.1159/000198315.

DOI:10.1159/000198315
PMID:378739
Abstract

Gliadin, subsequently treated with pepsin, trypsin and pancreatic extract was further digested by small-intestinal mucosal homogenates from 10 control or 8 coeliac children. The amino acids liberated in the incubation mixture were measured and corrected for mucosal damage. In accordance with the data from the literature on adults, the total amount of amino acids released from gliadin peptides by the intestinal mucosa from children with active coeliac disease is significantly lower than that by the mucosa from control subjects. Qualitatively, however, no significant differences for the individual amino acids are observed with the exception of glutamine and proline, so that damaged coeliac mucosa liberates relatively more glutamine but less proline.

摘要

麦醇溶蛋白经胃蛋白酶、胰蛋白酶和胰腺提取物处理后,再用10名对照儿童或8名乳糜泻儿童的小肠黏膜匀浆进一步消化。测定孵育混合物中释放的氨基酸,并对黏膜损伤进行校正。根据有关成人的文献数据,患有活动性乳糜泻儿童的肠黏膜从麦醇溶蛋白肽释放的氨基酸总量显著低于对照受试者的肠黏膜释放的量。然而,定性地看,除谷氨酰胺和脯氨酸外,各氨基酸未观察到显著差异,因此受损的乳糜泻黏膜释放相对较多的谷氨酰胺但较少的脯氨酸。

相似文献

1
Digestion of gliadin peptides by intestinal mucosa from control or coeliac children.来自对照儿童或乳糜泻儿童的肠黏膜对麦醇溶蛋白肽的消化。
Digestion. 1979;19(1):1-5. doi: 10.1159/000198315.
2
Mucosal digestion studies of whole gliadin fractions in coeliac disease.乳糜泻中全麦醇溶蛋白组分的黏膜消化研究。
Ann Clin Biochem. 1990 Jan;27 ( Pt 1):44-9. doi: 10.1177/000456329002700109.
3
Breakdown of gliadin peptides by intestinal brush borders from coeliac patients.乳糜泻患者肠道刷状缘对麦醇溶蛋白肽的分解作用。
Gut. 1984 Sep;25(9):919-24. doi: 10.1136/gut.25.9.919.
4
Amino acid composition of gliadin fractions which may be toxic to individuals with coeliac disease.可能对乳糜泻患者有毒性的麦醇溶蛋白组分的氨基酸组成。
Clin Chim Acta. 1982 Aug 18;123(3):311-9. doi: 10.1016/0009-8981(82)90176-0.
5
Partial in vitro digestion of active gliadin-related peptides in celiac disease.
J Protein Chem. 1998 Nov;17(8):739-44. doi: 10.1023/a:1020765932203.
6
In vitro mucosal digestion of synthetic gliadin-derived peptides in celiac disease.
J Protein Chem. 1995 Jul;14(5):335-9. doi: 10.1007/BF01886790.
7
Coeliac disease: the abolition of gliadin toxicity by enzymes from Aspergillus niger.乳糜泻:黑曲霉的酶消除麦醇溶蛋白毒性。
Clin Sci Mol Med. 1977 Jul;53(1):35-43. doi: 10.1042/cs0530035.
8
Amino acid composition of peptides remaining after in vitro digestion of a gliadin sub-fraction with duodenal mucosa from patients with coeliac disease.用乳糜泻患者十二指肠黏膜对麦醇溶蛋白亚组分进行体外消化后剩余肽段的氨基酸组成。
Clin Chim Acta. 1988 Sep 15;176(3):279-89. doi: 10.1016/0009-8981(88)90187-8.
9
Peptic-tryptic digests of gliadin: contaminating trypsin but not pepsin interferes with gastrointestinal protein binding characteristics.麦醇溶蛋白的胃蛋白酶-胰蛋白酶消化物:污染的胰蛋白酶而非胃蛋白酶会干扰胃肠道蛋白质结合特性。
Clin Chim Acta. 1996 Mar 29;247(1-2):59-70. doi: 10.1016/0009-8981(95)06220-3.
10
Is it true that coeliacs do not digest gliadin? Degradation pattern of gliadin in coeliac disease small intestinal mucosa.乳糜泻患者无法消化麦醇溶蛋白,这是真的吗?乳糜泻患者小肠黏膜中麦醇溶蛋白的降解模式。
Gut. 2009 Jun;58(6):886-7. doi: 10.1136/gut.2008.167296.

引用本文的文献

1
Coeliac syndrome: biochemical mechanisms and the missing peptidase hypothesis revisted.乳糜泻综合征:生化机制与缺失肽酶假说再探讨。
Gut. 1984 Sep;25(9):913-8. doi: 10.1136/gut.25.9.913.