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Morphometric evaluation of capillary basement membrane thickness in the quadriceps muscle of diabetic and nondiabetic Chinese hamsters. 1986

G Sawada, and B M Wyse, and M C Blanks, and T J Vidmar, and G C Gerritsen, and A R Diani
Diabetes and Gastrointestinal Diseases Research, Upjohn Company, Kalamazoo, Michigan 49001.

Quadriceps muscle capillaries from 19-23 month old genetically diabetic (XA and AC) and nondiabetic (M) subline Chinese hamsters were morphometrically evaluated to determine if capillary basement membrane thickening (CBMT) is a quantifiable complication of diabetes. Significant CBMT was present in the diabetic XA Chinese hamsters (49.37 nm +/- 17.81, p less than 0.007) in comparison with the nondiabetic M hamsters (34.08 nm +/- 9.98). Although there was a trend towards expansion of the muscle capillary basement membranes in the diabetic AC Chinese hamsters, the value was not statistically significant. A nested analysis of variance showed that the greatest source of variation in basement membrane thickness occurred among capillaries within each animal. In addition, a positive correlation (r = 0.62; p less than 0.002) existed between blood glucose levels and CBMT in the XA subline. These data should serve as guidelines for evaluation of antimicrovascular disease compounds which will be tested to determine if they prevent or retard microangiopathy in the diabetic Chinese hamster.

UI MeSH Term Description Entries
D007328 Insulin A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1). Iletin,Insulin A Chain,Insulin B Chain,Insulin, Regular,Novolin,Sodium Insulin,Soluble Insulin,Chain, Insulin B,Insulin, Sodium,Insulin, Soluble,Regular Insulin
D007866 Leg The inferior part of the lower extremity between the KNEE and the ANKLE. Legs
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D010179 Pancreas A nodular organ in the ABDOMEN that contains a mixture of ENDOCRINE GLANDS and EXOCRINE GLANDS. The small endocrine portion consists of the ISLETS OF LANGERHANS secreting a number of hormones into the blood stream. The large exocrine portion (EXOCRINE PANCREAS) is a compound acinar gland that secretes several digestive enzymes into the pancreatic ductal system that empties into the DUODENUM.
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D002196 Capillaries The minute vessels that connect arterioles and venules. Capillary Beds,Sinusoidal Beds,Sinusoids,Bed, Sinusoidal,Beds, Sinusoidal,Capillary,Capillary Bed,Sinusoid,Sinusoidal Bed
D003412 Cricetulus A genus of the family Muridae consisting of eleven species. C. migratorius, the grey or Armenian hamster, and C. griseus, the Chinese hamster, are the two species used in biomedical research. Hamsters, Armenian,Hamsters, Chinese,Hamsters, Grey,Armenian Hamster,Armenian Hamsters,Chinese Hamster,Chinese Hamsters,Grey Hamster,Grey Hamsters,Hamster, Armenian,Hamster, Chinese,Hamster, Grey
D003921 Diabetes Mellitus, Experimental Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANCREATECTOMY. Alloxan Diabetes,Streptozocin Diabetes,Streptozotocin Diabetes,Experimental Diabetes Mellitus,Diabete, Streptozocin,Diabetes, Alloxan,Diabetes, Streptozocin,Diabetes, Streptozotocin,Streptozocin Diabete
D005215 Fasting Abstaining from FOOD. Hunger Strike,Hunger Strikes,Strike, Hunger,Strikes, Hunger
D006224 Cricetinae A subfamily in the family MURIDAE, comprising the hamsters. Four of the more common genera are Cricetus, CRICETULUS; MESOCRICETUS; and PHODOPUS. Cricetus,Hamsters,Hamster

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