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The hypothesis of an effective safe and novel radioprotective agent hydrogen-rich solution / La hipótesis de una solución rica en hidrógeno como agente radioprotector novedoso, seguro y efectivo
Qian, Liren; Li, Bailong; Cai, Jianming; Gao, Fu.
  • Qian, Liren; Second Military Medical University. Faculty of Naval Medicine. Department of Radiation Medicine. Xiangyin Road. CN
  • Li, Bailong; Second Military Medical University. Faculty of Naval Medicine. Department of Radiation Medicine. Xiangyin Road. CN
  • Cai, Jianming; Second Military Medical University. Faculty of Naval Medicine. Department of Radiation Medicine. Xiangyin Road. CN
  • Gao, Fu; Second Military Medical University. Faculty of Naval Medicine. Department of Radiation Medicine. Xiangyin Road. CN
West Indian med. j ; 59(2): 122-124, Mar. 2010.
Article in English | LILACS | ID: lil-672585
ABSTRACT
Most ionizing radiation-induced damage is caused by radical oxygen species (ROS). Some radioprotectors, such as amifostine, exert radioprotective effects by scavenging radical oxygen species. Recent studies show that hydrogen (H2) has antioxidant activities that protect the brain and intestine against ischaemia-reperfusion injury and stroke by selectively reducing hydroxyl and peroxynitrite radicals. However, it is seldom regarded as a radioprotective agent. In like manner, we hypothesize that hydrogen may be an effective, specific and novel radioprotective agent. But H2 is explosive, while hydrogen-rich solution (solution such as physiological saline saturated with molecular hydrogen) is safer.
RESUMEN
La mayor parte de los efectos dañinos inducidos por la radiación ionizante, son causados por especies radicales de oxígeno (ROS). Algunos radioprotectores, tales como la amifostina, ejercen efectos radioprotectores mediante el rescate de especies radicales de oxígeno. Estudios recientes muestran que el hidrógeno (H2) posee una actividad antioxidante que protege el cerebro y el intestino contra las lesiones por repercusión isquémica y accidente cerebrovascular, mediante la reducción selectiva de radicales de hidroxilo y peroxinitrito. Sin embargo, raramente se le considera como un agente radioprotector. De manera similar, planteamos la hipótesis de que el hidrógeno puede ser un agente radioprotector efectivo, específico y novedoso. Pero el H2 es explosivo, mientras que la solución rica en hidrógeno (como es el caso del suero fisiológico saturado con hidrógeno molecular) es más segura.
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Full text: Available Index: LILACS (Americas) Main subject: Radiation-Protective Agents / Hydrogen / Antioxidants Limits: Humans Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2010 Type: Article Affiliation country: China Institution/Affiliation country: Second Military Medical University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Radiation-Protective Agents / Hydrogen / Antioxidants Limits: Humans Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2010 Type: Article Affiliation country: China Institution/Affiliation country: Second Military Medical University/CN