Cyclic GMP levels in the rat brain and plasma during clinical death and after resuscitation.
Changes of cGMP content in the rat brain and plasma have been evaluated by means of the radioimmunologic method after 5-min clinical death and up to 2 hours after resuscitation. Ischemia produced a decrease of cGMP in the brain, however, at the 15th min after resuscitation a reversible significant rise of nucleotide concentration was noted. In plasma at the end of ischemia and in the postischemic period a significant decrease of cGMP level was observed. The mechanisms of cGMP regulation in the central nervous system and the significance of the obtained results are discussed.
Kapuściński
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Department of Neuropathology, Medical Research Centre, Polish Academy of Sciences, Warsaw.
D000818:Animals; D001923:Brain Chemistry; D001926:Brain Death; D005260:Female; D006157:Guanosine Monophosphate / Q000032:analysis* / Q000097:blood*; D011863:Radioimmunoassay; D051381:Rats; D017208:Rats, Wistar; D012151:Resuscitation; D013997:Time Factors
D006157:Guanosine Monophosphate