COMPARATIVE STUDY OF GLUCOSE TRANSPORTERS GLUT-2 AND GLUT-5 IN OSTRICHES GASTROINTESTINAL TRACT

被引:7
|
作者
Hussar, Piret [1 ,6 ]
Karner, Martin [2 ]
Jarveots, Tonu [3 ]
Pendovski, Lazo [4 ]
Duritis, Ilmars [5 ]
Popovska-Percinic, Florina [4 ]
机构
[1] Univ Tartu, Fac Med, Tartu, Estonia
[2] Univ Tartu, Fac Sci & Technol, Tartu, Estonia
[3] Estonian Univ Life Sci, Inst Vet Med & Anim Sci, Tartu, Estonia
[4] Ss Cyril & Methodius Univ Skopje, Fac Vet Med, Skopje, Macedonia
[5] Latvian Univ Agr, Fac Vet Med, Jelgava, Latvia
[6] Univ Tartu, Fac Med, Inst Med & Translat Med, Dept Anat Histol & Embryol, Ravila 19, EE-50411 Tartu, Estonia
关键词
ostriches; gastrointestinal tract; GLUT-2; GLUT-5;
D O I
10.1515/macvetrev-2016-0089
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
The knowledge about transport of sugars in animals and birds gastrointestinal tract is very important for science as carbohydrates are the main energy source of food. Since until now there is few information about the localization of glucose transporters - integral membrane proteins that mediate the transport of glucose and related substances across the cellular membranes - in birds gastrointestinal tract, the aim of the present study was to localize glucose transporters-2 and -5 (GLUT-2 and - 5) in three parts of the ostriches gastrointestinal tract - proventriculus, duodenum and ileum - comparatively in ostrich chicken in their early ontogenesis period. Material from the superficial gland zone of the proventriculus, duodenum and terminal zone of the ileum were collected from eight female ostriches (Struthio camelus var. Domesticus): two chickens after hatching, three 7 and three 30-days old ostriches. The material was fixed with 10% formalin, embedded into paraffin, slices 7 mu m thick were cut followed by immunohistochemical staining with polyclonal primary antibodies Rabbit anti-GLUT-2 and Rabbit anti-GLUT-5, carried out according to the manufacturers guidelines (IHC kit, Abcam, UK). The results showed that the staining for both antibodies was weaker in all parts of the gastrointestinal tract of ostriches after hatching compared to 7 and 30 days old ostriches showing that the gastrointestinal tract of ostriches immediately after hatching is not entirely capable of transportation of carbohydrates. The results of our study may indicate the possibility of a close relationship between feeding and the ability to transport sugars in the gastrointestinal tract.
引用
收藏
页码:225 / 231
页数:7
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