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국명근,최순원,서영진,김동웅,송봉근,손일홍,김성철,강경선 대한수의학회 2017 Journal of Veterinary Science Vol.18 No.4
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by selective death of motor neurons in the central nervous system. The main cause of the disease remains elusive, but several mutations have been associated with the disease process. In particular, mutant superoxide dismutase 1 (SOD1) protein causes oxidative stress by activating glia cells and contributes to motor neuron degeneration. KCHO-1, a novel herbal combination compound, contains 30% ethanol and the extracts of nine herbs that have been commonly used in traditional medicine to prevent fatigue or inflammation. In this study, we investigated whether KCHO-1 administration could reduce oxidative stress in an ALS model. KCHO-1 administered to ALS model mice improved motor function and delayed disease onset. Furthermore, KCHO-1 administration reduced oxidative stress through gp91phox and the MAPK pathway in both classically activated microglia and the spinal cord of hSOD1G93A transgenic mice. The results suggest that KCHO-1 can function as an effective therapeutic agent for ALS by reducing oxidative stress.
정재윤,국명근,김성철,강경선,소광섭 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.4
Homing of stem cells (SCs) to desired targets such as injured tissues remains a lingering problem in cell-based therapeutics. Studies on the biodistribution of intravenously administered SCs have shown the inefficacy of blood vessels as the homing path because most of the injected SCs are captured in the capillary beds of the lungs. We considered an alternative administration method using the acupuncture meridians or the primo vascular system. We injected SCs at the acupoint Zusanli (ST-36) below the knee of a nude mouse with a spinal cord injured at the thoracic T9-10 vertebrae. The SCs migrated from the ST-36, along the sciatic nerve, the lumbar 4-5, and then the spinal cord to the injury point T9-10. The SCs were not randomly scattered but were rather well aligned like marathon race runners, along the primo vascular system route toward the injury point. We observed