Background-We investigated whether electrical stimulation (STIM) of efferent vagus nerves may suppress nuclear factor (NF)-B activation and the inflammatory cascade in hemorrhagic (Hem) shock. Methods and Results-Rats were subjected to bilateral cervical vagotomy (VGX) or sham surgical procedures.
Twenty-four months of treatment with genistein has positive effects on BMD in osteopenic postmenopausal women. ClinicalTrials.gov registration number: NCT00355953.
After 3 yr of treatment, genistein exhibited a promising safety profile with positive effects on bone formation in a cohort of osteopenic, postmenopausal women.
The effects of recombinant human erythropoietin (rHuEPO) in diabetes-related healing defects were investigated by using an incisional skin-wound model produced on the back of female diabetic C57BL/KsJm ؉/؉ Lept db mice (db ϩ /db ϩ ) and their normoglycemic littermates (db ϩ/ϩ m). Animals were treated with rHuEPO (400 units/kg in 100 l s.c.) or its vehicle alone (100 l). Mice were killed on different days (3, 6, and 12 days after skin injury) for measurement of vascular endothelial growth factor (VEGF) mRNA expression and protein synthesis, for monitoring angiogenesis by CD31 expression, and for evaluating histological changes. Furthermore, we evaluated wound-breaking strength at day 12. At day 6, rHuEPO injection in diabetic mice resulted in an increase in VEGF mRNA expression (vehicle ؍ 0.33 ؎ 0.1 relative amount of mRNA; rHuEPO ؍ 0.9 ؎ 0.09 relative amount of mRNA; P < 0.05) and protein wound content (vehicle ؍ 23 ؎ 5 pg/wound; rHuEPO ؍ 92 ؎ 12 pg/wound; P < 0.05) and caused a marked increase in CD31 gene expression (vehicle ؍ 0.18 ؎ 0.05 relative amount of mRNA; rHuEPO ؍ 0.98 ؎ 0.21 relative amount of mRNA; P < 0.05) and protein synthesis. Furthermore, rHuEPO injection improved the impaired wound healing and, at day 12, increased the wound-breaking strength in diabetic mice (vehicle ؍ 12 ؎ 2 g/mm; rHuEPO 21 ؎ 5 g/mm; P < 0.05). Erythropoietin may have a potential application in diabetes-related wound disorders.
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