title: [Effect of long-term space flight on polyamine levels in the rat brain].
abstract: The concentration of polyamines, i.e. putrescine, spermidine and spermine, was measured in different brain compartments of rats flown for 18.5 days on Cosmos-1129. Exposure to space flight led to changes in the polyamine content that were most distinct in medulla oblongata. It is suggested that the changes develop as a result of a chronic stress associated with the effects of weightlessness.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D008297:Male; D011073:Polyamines / Q000378:metabolism*; D011700:Putrescine / Q000378:metabolism; D051381:Rats; D011919:Rats, Inbred Strains; D012149:Restraint, Physical; D013026:Space Flight; D013095:Spermidine / Q000378:metabolism; D013096:Spermine / Q000378:metabolism; D013315:Stress, Psychological / Q000378:metabolism*; D013997:Time Factors
chemical_list: D011073:Polyamines; D013096:Spermine; D013095:Spermidine; D011700:Putrescine
vernacular_title: Vliianie dlitel'nogo kosmicheskogo poleta na soderzhanie poliaminov v golovnom mozge krys.