Adenoviral vector-mediated transduction of VEGF improves neural functional recovery after hypoxia-ischemic brain damage in neonatal rats

Brain Research Bulletin
Xiangrong ZhengXiaohe Yu

Abstract

Previous studies have showed that vascular endothelial growth factor (VEGF) displayed neurotrophic and neuroprotective activities. To examine whether target delivery of VEGF gene directly into brain may prevent ischemic brain damage, the VEGF expression adenoviral vectors, AVHP.VEGF-with 476bp of the human preproendothelin-1 (ppET-1) promoter and 35bp of the hypoxia-reponse element (HRE) driving VEGF expression and CMV.VEGF were transferred into hypoxic-induced ischemic (HI) rat brains. Seven-day-old rats that were underwent left carotid ligation followed by 2h of hypoxic stress (8% O(2) at 37 degrees C) were received VEGF adenoviral vectors or buffer (PBS) injection 3 days after HI. The body weight, VEGF expression, neuronal apoptosis, cerebral morphology and brain functional assays were performed between 7 and 28 days after HI. There were remarkable increases in the body weight and VEGF protein expression, and decrease in the number of TUNEL-positive cells in the VEGF vector groups as compared with PBS group. The VEGF vector groups also had better brain functional performs than PBS group. The better performs by the animals that received VEGF vectors may be directly linked to the inhibitory effect of VEGF on neuronal apoptosis...Continue Reading

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Citations

Oct 31, 2013·Chinese Journal of Integrative Medicine·Youngmin BuSang-Kwan Moon
Jan 25, 2012·Neurology Research International·Jerusha Naidoo, Deborah Young
Dec 11, 2013·Cell Biochemistry and Biophysics·Ai-Hua ZhuGang Chen
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Dec 15, 2020·Biomaterials Science·João ConniotJoão Conde
Nov 5, 2019·Advanced Drug Delivery Reviews·Olatz Arteaga CabezaDonna M Ferriero

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