[Repairing diabetic rats with bone defect by VEGF165 gene modified adipose-derived stem cells].

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Objective To explore repairing results of VEGF165 gene modified adipose-derived stem cells for diabetic rats with bone defect. Methods Seventy-eight male Wistar rats weighted 180 to 220 g were selected, 72 rats were established diabetic animal models by streptozotocin inducement method, blood glucose level was more than 16.7 mmol/L. Experimental animals were randomly divided into 5 groups, 6 rats in normal group and each 18 rats in other groups. VEGF165 gene modified adipose-derived stem cells were implanted into normal group with bone defect; single diabetic rats with bone defect were named as diabetic group;vascular endothelial growth factor implanted into single diabetic rats with bone defect named as growth factor group; adipose-derived stem cells implanted into diabetic rats with bone defect names as stem cell group; VEGF165 gene modified adipose-derived stem cells implanted diabetic rats with bone defect named as experimental group. After combination of VEGF165-ADSCs (5×106) cells combined with gel sponge, implanted into diabetic rats with bone defect. On the forth week, general form of defect repairing tissue were observed by optical microscopy;local density of micro-vessel were detected by immunohistochemistry method; content of Ca, P and ALP of repairing callus were detected by IRIS Intrepid XSP inductively coupled plasma emission spectrometer. Efficacy of the VEGF165-

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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