Early IGF-1 Gene Therapy Prevented Oxidative Stress and Cognitive Deficits Induced by Traumatic Brain Injury

被引:21
|
作者
Montivero, Agustin. J. [1 ]
Ghersi, Marisa. S. [1 ]
Silvero C, M. Jazmin [2 ]
Artur de la Villarmois, Emilce [1 ]
Catalan-Figueroa, Johanna [1 ,3 ]
Herrera, Macarena [1 ]
Becerra, Maria Cecilia [2 ]
Herenu, Claudia. B. [1 ]
Perez, Mariela. F. [1 ]
机构
[1] Univ Nacl Cordoba, Inst Farmacol Expt Cordoba IFEC CONICET, Fac Ciencias Quim, Dept Farmacol, Cordoba, Argentina
[2] Univ Nacl, Inst Multidisciplinario Biol Vegetal IMBIV CONICE, Fac Ciencias Quim, Dept Ciencias Farmace prime uticas, Cordoba, Argentina
[3] Univ Catol Maule, Fac Med, Escuela Quim Farm, Talca, Chile
关键词
traumatic brain injury; neuroinflammation; secondary injury; cognitive deficits; IGF-1 gene therapy; GROWTH-FACTOR-I; WORKING-MEMORY; ANTERIOR-PITUITARY; RATS; SERUM; PATHOPHYSIOLOGY; HIPPOCAMPUS; MANAGEMENT; MICROGLIA; RECOVERY;
D O I
10.3389/fphar.2021.672392
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Traumatic Brain Injury (TBI) remains a leading cause of morbidity and mortality in adults under 40 years old. Once primary injury occurs after TBI, neuroinflammation and oxidative stress (OS) are triggered, contributing to the development of many TBI-induced neurological deficits, and reducing the probability of critical trauma patients ' survival. Regardless the research investment on the development of anti-inflammatory and neuroprotective treatments, most pre-clinical studies have failed to report significant effects, probably because of the limited blood brain barrier permeability of no-steroidal or steroidal anti-inflammatory drugs. Lately, neurotrophic factors, such as the insulin-like growth factor 1 (IGF-1), are considered attractive therapeutic alternatives for diverse neurological pathologies, as they are neuromodulators linked to neuroprotection and anti-inflammatory effects. Considering this background, the aim of the present investigation is to test early IGF-1 gene therapy in both OS markers and cognitive deficits induced by TBI. Male Wistar rats were injected via Cisterna Magna with recombinant adenoviral vectors containing the IGF-1 gene cDNA 15 min post-TBI. Animals were sacrificed after 60 min, 24 h or 7 days to study the advanced oxidation protein products (AOPP) and malondialdehyde (MDA) levels, to recognize the protein oxidation damage and lipid peroxidation respectively, in the TBI neighboring brain areas. Cognitive deficits were assessed by evaluating working memory 7 days after TBI. The results reported significant increases of AOPP and MDA levels at 60 min, 24 h, and 7 days after TBI in the prefrontal cortex, motor cortex and hippocampus. In addition, at day 7, TBI also reduced working memory performance. Interestingly, AOPP, and MDA levels in the studied brain areas were significantly reduced after IGF-1 gene therapy that in turn prevented cognitive deficits, restoring TBI-animals working memory performance to similar values regarding control. In conclusion, early IGF-1 gene therapy could be considered a novel therapeutic approach to targeting neuroinflammation as well as to preventing some behavioral deficits related to TBI.
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页数:12
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