Summary
Histochemical demonstration of the protein SH-groups in the neurons of the superior cervical sympathetic ganglia of cat in vivo was carried out by perfusing the ganglia with fluid, containing 5-bromoacetyl-3-nitrobenzoic acid. Distribution of protein SH-groups in the neurons detected during perfusion of the ganglion at rest did not differ from that in the same neutrons of fresh tissue sections studied in vitro. During perfusion of the excited sympathetic ganglion an increased concentration of protein SH-groups was detected histochemically; this pointed to the presence of denaturation-like changes in the protein structures of the nerve cells during excitation.
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Krasnov, I.B. Histochemical study of the sulfhydryl groups of tissue proteins in the superior cervical sympathetic ganglion of the cat in states of rest and excitation. Bull Exp Biol Med 56, 1098–1101 (1963). https://doi.org/10.1007/BF00792984
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DOI: https://doi.org/10.1007/BF00792984