RGD Reference Report - Total plasmatic homocysteine and von Willebrand factor in experimental diabetes mellitus. - Rat Genome Database

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Total plasmatic homocysteine and von Willebrand factor in experimental diabetes mellitus.

Authors: Lopes, RD  Neves, LB  D'Almeida, V  Conceicao, GM  Gabriel A, JR 
Citation: Lopes RD, etal., Arq Bras Cardiol. 2007 Apr;88(4):424-9.
RGD ID: 1625712
Pubmed: PMID:17546272   (View Abstract at PubMed)

OBJECTIVES: To determine the plasma homocysteine and von Willebrand factor levels as markers of endothelial dysfunction in rats with diabetes mellitus induced by streptozotocin. METHODS: Thirty-five adult male rats (Rattus norvegicus albinus) (weight between 180-200 g) were randomized into three groups: control group (n=10), which received no drugs or vehicles; sham group (n=10), which received streptozotocin solution; and diabetic group (n=15), which received streptozotocin. Eight weeks after diabetes mellitus induction, the animals were weighed and anesthesized; blood samples were collected from abdominal aorta for plasma total homocysteine, von Willebrand factor and glucose levels. RESULTS: The experimental model was reproducible in 100% of animals. The mean plasma homocysteine levels were: 7.9 micromol/l (control), 8.6 micromol/l (sham) and 6.1 micromol/l (diabetic), with difference among the groups (p<0.01). Multiple comparison analysis among the groups showed that values in the diabetic group were lower than in the sham group (p<0.01). The mean von Willebrand factor values were 0.15 U/l (control), 0.16 U/l (sham) and 0.18 U/l (diabetic), with difference among the groups (p=0.03). The mean value was higher in the diabetic group than in the control group (p<0.05). Correlation between homocysteine and von Willebrand factor was not observed in the diabetic group. CONCLUSION: Reduced homocysteine levels and increased von Willebrand factor levels were observed in diabetes mellitus induced by streptozotocin; nevertheless, there were no correlations between them and with final glucose levels.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Experimental Diabetes Mellitus  ISOVwf (Rattus norvegicus)1625712; 1625712protein:increased expression:plasmaRGD 
Experimental Diabetes Mellitus  IEP 1625712protein:increased expression:plasmaRGD 

Objects Annotated

Genes (Rattus norvegicus)
Vwf  (von Willebrand factor)

Genes (Mus musculus)
Vwf  (Von Willebrand factor)

Genes (Homo sapiens)
VWF  (von Willebrand factor)


Additional Information