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Salman TM, Alada AR, Oyebola DD. Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs. Niger J Physiol Sci. 2014;29(1):23-7
Salman, T. M., Alada, A. R., & Oyebola, D. D. (2014). Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs. Nigerian journal of physiological sciences : official publication of the Physiological Society of Nigeria, 29(1), 23-7.
Salman, T M, et al. "Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs." Nigerian journal of physiological sciences : official publication of the Physiological Society of Nigeria vol. 29,1 (2014): 23-7.
Salman TM, Alada AR, Oyebola DD. Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs. Niger J Physiol Sci. 2014 Jun 19;29(1):23-7. PMID: 26196562.
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Niger J Physiol Sci. 2014 Jun 19;29(1):23-7.

Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs Intestinal glucose uptake responses to infusion of glucose, fructose and galactose in dogs.

Nigerian journal of physiological sciences : official publication of the Physiological Society of Nigeria

T M Salman, A R A Alada, D D O Oyebola

Affiliations

  1. Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin. [email protected].

PMID: 26196562

Abstract

The present study was designed to investigate the effects of intravanous (i.v) infusion of fructose, galactose and glucose on canine IGU during postprandial state. Experiments were carried out on fasted, male, anaesthethized adult mongrel dogs divided into four groups with 5 dogs per group. Each of the groups was given i.v infusion of normal saline, fructose (0.15, 0.55 and 1.1mg/dl/min), galactose (0.15, 0.55 and 1.1mg/dl/min) and glucose (0.15, 0.55 and 1.1mg/dl/min) respectively. Through a midline laparatomy, the upper jejunum was secured and cannulated for blood flow measurement. Blood samples were obtained for measurement of glucose content of arterial and venous blood from the upper jejunal segment. The blood glucose was determined by glucose oxidase method and intestinal glucose uptake was calculated as the product of jejunal blood flow and arterio-venous glucose difference. Values are means ± S.E.M, compared by ANOVA and Student t-test. Fructose, galactose and glucose significantly increased arterial blood glucose from 97.60 ± 1.78 mg/dl to 114.20 ± 1.88, 109.80 ± 1.43, and 141.20 ± 5.65 mg/dl, respectively. Glucose also significantly increased jejunal blood flow from 10.0 ± 0.32 ml/min to 14.40 ± 0.93 ml/min, however, fructose and galactose did not produce any significant effect on intestinal blood flow. IGU increased by 600%, 350%, and 700% in response to fructose, galactose and glucose respectively. There is no correlation between the increase in blood glucose levels induced by each of the sugars and its corresponding rise in IGU. The data suggest that the intestine responds to fructose and galactose in a similar manner as glucose probably through similar mechanism.

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