Reactive Changes in Lymph Node Structure in Peritonitis and during Treatment with a New Antibiotic

Abdreshov S.N. Demchenko G.A. Gorchakov V.N. Yessenova M.A. Yeshmukhanbet A.N.
October 2024 Springer

Bulletin of Experimental Biology and Medicine
2024 #177 Issue 6 792 - 796 pp.

The effect of a new antibiotic peptomide A-70 on changes in the mesenterial lymph nodes caused by experimental peritonitis was studied. Differences in the morphological changes in rat lymph nodes in peritonitis and against the background of antibiotic therapy were revealed. Lymph nodes responded to peritoneal inflammation by reducing the area of cortical structures and expansion of the sinus system, which indicates a decrease in drainage-detoxification and immune function and determines unfavorable outcome of peritonitis. Antibiotic therapy reduced inflammatory manifestations and toxic pressure on the lymph system and potentiated the reactive response of the mesenteric lymph nodes: the size of lymphoid nodes and the paracortical T-dependent zone increased against the background of shrinkage of the sinus system, which attested to activation of the lymphopoietic function and immune response of lymph nodes in peritonitis. The observed changes attested to favorable prognosis of peritonitis treated with antibiotic peptomide A-70.

cortical substance , lymph node , paracortex , peptomide A-70 antibiotic , peritonitis

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Laboratory of Physiology of the Lymphatic System, Institute of Genetics and Physiology of the Scientific Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
Research Institute of Clinical and Experimental Lymphology — Branch of FRC Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation

Laboratory of Physiology of the Lymphatic System
Al-Farabi Kazakh National University
Research Institute of Clinical and Experimental Lymphology — Branch of FRC Institute of Cytology and Genetics

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