刷状缘
- brush border
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集合管腔面显示PAS强阳性,血管球、远端小管细胞侧面、近端小管刷状缘为阳性,其它部位反应较弱。
Luminal surface showed strong set of PAS-positive . endothelium of the glomerular capillaries , the distal tubule cells , and the brush border of proximal tubule cell were positive , while in other parts the response is weak .
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提示:肾小球中含有与肾小管刷状缘上Tub-Ag起交叉反应的抗原;PHN的发病机制确为IC原位形成所致。
These results suggest glomeruli contain the antigen that cross-reacts with the antibody homologous to the Tub-Ag present in the brush border of tubule epithelium , and confirm the significance of the in situ formation of immune complex in the pathogenesis of PHN .
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HPLC法测定仔猪小肠刷状缘膜囊孵育体系中的二肽含量
Determination of Dipeptide Content in Piglet Small Intestine Brush Border Membrane Incubation System with HPLC
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Sucraseisomaltase(SI,蔗糖酶异麦芽糖酶复合物,EC3.2.1.48-10),是动物体内很重要的二糖酶,位于小肠刷状缘细胞膜上。
Sucrase-isomaltase ( SI , EC 3.2.1.48-10 ) is an important disaccharidase , lies in intestinal brush border membrane .
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类钙粘蛋白位于昆虫中肠刷状缘膜囊泡上,该蛋白作为Bt毒素的受体可以与其结合导致昆虫死亡,因此,昆虫对Bt毒素的抗性与类钙粘蛋白有密切关系。
Cadherin-like protein acts as a receptor of Bt toxin by binding with toxin in brush border membrane of insect . Insect resistance to Bt toxin is related with the variation of cadherin-like protein gene .
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ATPase在离子的跨膜转运及膜电位的调节方面起着关键作用,主要分布在近端小管刷状缘,而在中间段腔面为弱阳性。
ATPase in the transmembrane transport of ions and the regulation of membrane potential plays a key role , mainly brush border of the proximal tubule , and in the intermediate segment though only weakly positive .
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碱性磷酸酶(ALPase)存在于物质交换活跃的部位,主要分布在近端小管刷状缘。
Alkaline phosphatase ( ALPase ), distributed only in brush border of the proximal tubule , its activity exists in the material exchange site .
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严重烫伤后大鼠小肠粘膜上皮细胞刷状缘二肽载体(PepT1)的生物学功能改变
Changes of Biological Functions of Dipeptide Transporter ( PepT_1 ) in Severe Burned Rats
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Caco-2细胞来源于人结肠腺癌细胞,在培养条件下形成极性单细胞层,具有微绒毛以及紧密连接等类似于人体小肠上皮细胞刷状缘侧的分化特征。
Caco-2 cell came from human adenocarcinoma of colon cells and form polarity monolayer spontaneously in condition of cultivation , which have the differentiation characteristic of microvillus and tight junction which was similar to human small intestine epithelium striated border .
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从正常大鼠肾小管刷状缘微绒毛上提取致病的小管抗原(Tub-Ag)免疫白兔可获得相应的抗血清。
The corresponding antiserum was acquired by immunizing rabbits with the nephritogenic tubular epithelial antigen ( Tub-Ag ) isolated from renal tubular brush border microvillus membranes of normal rats .
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方法:从猪肾皮质中分离刷状缘微绒毛膜,用正丁醇溶解膜结合的酶,经硫酸铵沉淀,DEAEsephacel、ConASepharose、SephadexG200及抗γ谷酰基转移酶(GGT)免疫亲和层析提纯ALP。
Methods : The ALP purification procedure included isolation microvillus of porcine kidney cortices by solubilization the membrance-binding enzymes with 1-butanol , precipitation with ammonium sulfate , chromatography on DEAE-Sephacel , ConA-Sepharose , Sephadex G-200 and a immuno-affinity column of anti-GGT antibodies .
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婴幼儿腹泻时空肠粘膜刷状缘肽酶和蛋白质代谢的研究
Jejunal brush border peptidases and metabolism of protein in diarrheal infants
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甘-L-脯二肽在仔猪小肠刷状缘膜囊中的抗水解研究
Hydrolysis of Gly-Pro dipeptide in small intestinal brush border membrane vesicles of piglets
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蓖麻毒素毒性作用及与小肠刷状缘膜蛋白互作组分的筛选
Toxic Effect of Ricin and Screening for Interaction Components with Intestinal Brush Border Membrane Proteins
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肠道微生态对大鼠小肠刷状缘酶活性影响的研究
Effect of Intestinal Microecology on the Activities of Brush Border Enzymes in Rat Small Intestine
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小肠刷状缘水解酶与大肠癌蛙皮素对新生兔小肠粘膜刷状缘双糖酶活性的调节作用
The regulatory effects of bombesin on the activities of disaccharidase in the intestinal mucosa in neonatal rabbits
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目的:探讨严重烫伤后大鼠小肠粘膜上皮细胞刷状缘二肽载体(PepT1)生物学功能的变化,以明确严重烫伤后肠上皮细胞蛋白质吸收的特点。
Objectives : To determine the changes of biological functions of dipeptide transporter ( PepT 1 ) in normal and severe scalded rats .
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缺氧复氧损伤后小肠上皮细胞刷状缘二肽转运载体生物学功能的改变及生长激素的调控作用
Changes in biological function of dipeptide transporter in Caco-2 cells treated with normal and hypoxia / reoxygenation and regulatory effects of growth hormone
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应用体视学方法对过氯酸钠诱寻的低甲状腺激素状态的大鼠肾近端小管细胞膜性结构进行了分析.结果表明,低甲时刷状缘体积、微绒毛表面积。
The structure of cellular membrane of renal proximal tubule with hypothyroidism in rats was investigated by light and electron microscopy and stereological methods .
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利用HE染色法观察小肠病理学改变,结果表明,正常对照组小鼠小肠绒毛结构正常,刷状缘整齐,粘膜柱状上皮细胞无变化。
The pathological changes of mice intestine was observed using with HE staining . The control group showed normal villi , neat brush border , and columnar epithelial cells .
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并且对T3、T4含量与刷状缘长度、侧基底细胞膜面积进行了复相关分析。
Furthermore'the multiple ' correlations between the serum con ent of T_3 and T_4 and the length of BB or the area of BLM were analyzed in this paper .
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其中胃蛋白酶、胰蛋白酶、α-糜蛋白酶、胃肠道内容物中的酶和细胞液中的酶对胰岛素的降解作用较强,而小肠黏膜的刷状缘膜囊中的酶对胰岛素的降解作用较弱。
Insulin was strongly degraded by pepsin , trypsin , chymotrypsin , proteases in the gastrointestinal lumen , and enzymes in the cytosol in comparison with weak degradation by proteases in the brush border membrane vesicles .
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结果显示,双峰驼肾近曲小管刷状缘体积、微绒毛表面积、吞饮小泡和溶酶体体积均显著大于黄牛;
The results revealed that the volume of brush border , the surface area of microvilli , the volume of pinocytotic vesicle and lysosome of the proximal convoluted tubule in camels were bigger significantly than those in cattle .
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刷状缘膜酶的活性占相应酶总活性的比率从31日龄时的30%上升至38日龄时的81%,表明了肠道成熟和消化方式转变的过程。
The activities of the BBM bound enzymes increased from 30 % of the total activities at 31 DAH to approximately 81 % at 38 DAH , indicating the maturation of intestinal tract and the transition of digestion mode .
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阿卡波糖是α-糖苷酶抑制剂,可抑制小肠刷状缘对葡萄糖的吸收,降低餐后血糖峰值,是临床常用降糖药物。
Acarbose is a kind of α - glucosidase inhibitor , which is commonly-used in clinical at present . The hypoglycemic mechanism of it is delaying the glucose absorption into the brush border of small intestine and reducing the postprandial blood glucose peak .