Inflammation accompanies most pathological processes, while the lymphatic system takes part in both the development and resolution of inflammation. We studied the contractile function of rat lymph nodes after cecal ligation and puncture (CLP). In 24 h after CLP, the mesenteric lymph nodes were removed and placed in the myograph chamber. After CLP, the lymph nodes showed lower tension than lymph nodes from sham-operated animals (control). The expression of inducible NO synthase, cyclooxygenase-2, and cystathionine-γ-lyase was observed in the lymph nodes of CLP rats. NO, prostaglandins, and H2S formed during inflammation inhibited contractile activity of smooth muscle cells in the capsule of the lymph nodes, which manifested itself in inhibition of phase contractions and a decrease in the tone of their capsule.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 176, No. 9, pp. 280-285, September, 2023
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Kosareva, M.E., Chivildeev, A.V. & Lobov, G.I. Sepsis-Induced Inhibition of Contractile Function of Lymphatic Nodes. Bull Exp Biol Med 176, 305–309 (2024). https://doi.org/10.1007/s10517-024-06013-2
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DOI: https://doi.org/10.1007/s10517-024-06013-2