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Administration of Danhong Injection to diabetic db/db mice inhibits the
development of diabetic retinopathy and nephropathy
#MMPMID26061387
Liu M
; Pan Q
; Chen Y
; Yang X
; Zhao B
; Jia L
; Zhu Y
; Zhang B
; Gao X
; Li X
; Han J
; Duan Y
Sci Rep
2015[Jun]; 5
(?): 11219
PMID26061387
show ga
Danhong Injection (DHI), a Chinese medicine for treatment of patients with
coronary heart disease, inhibits primary abdominal aortic aneurysms in apoE
deficient (apoE(-/-)) mice. Formation of microaneurysms plays an important role
in the development of diabetic retinopathy and nephropathy. It remains unknown if
DHI can reduce these diabetic complications. In this study, diabetic db/db mice
in two groups were injected with saline and DHI, respectively, for 14 weeks.
Blood and tissue samples were collected to determine serum glucose, lipids and
tissue structure. DHI reduced diabetes-induced body weight gain, serum
cholesterol and glucose levels. In retinas, DHI blocked the shrink of whole
retina and retinal sub-layers by inhibiting expression of caspase 3, matrix
metalloproteinase 2 (MMP-2) and MMP-9, accumulation of carbohydrate
macromolecules and formation of acellular capillaries. DHI improved renal
functions by inhibiting mesangial matrix expansion, expression of vascular
endothelial growth factor A, fibronectin and advanced glycation end products in
kidneys. Mechanistically, DHI induced expression of glucokinase,
AMPK?/phosphorylated AMPK?, insulin receptor substrate 1, fibroblast growth
factor 21 and peroxisome proliferator-activated ?. Expression of genes
responsible for energy expenditure was also activated by DHI. Therefore, DHI
inhibits diabetic retinopathy and nephropathy by ameliorating glucose metabolism
and demonstrates a potential application in clinics.