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  • Title: Radioprotection of liver lipids of whole-body gamma-irradiated female rats by cystamine.
    Author: Ramanathan R, Misra UK.
    Journal: Strahlentherapie; 1976 Jan; 151(1):69-77. PubMed ID: 1258077.
    Abstract:
    The effect of administration of cystamine (5 mg/100 g body weight) before 1200 R whole-body gamma irradiation has been studied on irradiation-induced changes in liver and its subcellular fractions'lipids of fasted female rats. Cystamine prevented the irradiation-induced increase in liver triglycerides and liver mitochondrial total phospholipids, but it decreased microsomal total phospholipids and proteins. Cystamine prevented the radiation-induced increased 32P-radioactivity (counts/min/mumole phospholipid phosphorus) of microsomal phosphatidyl choline. Cystamine prevented the radiation-induced increased uptake of NaH232PO4 (counts/min/g liver) in liver microsomal phosphatidyl ethanolamine and supernatant phosphatidyl choline; but in microsomal phosphatidyl choline, cystamine did not do so, but on the other hand it itself increased the uptake in control rats. Cystamine did not prevent the irradiation-induced decreased incorporation of (U-14C)glucose into liver triglycerides, total phospholipids and phosphatidyl choline. Cystamine itself decreased the incorporation of (U-14C)glucose into liver triglycerides and phosphoglycerides of control rats.
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