Effect of antituberculous drugs on human polymorphonuclear leukocyte functions in vitro

The aim of the study was to investigate antituberculous drugs effects on polymorphonuclear leukocyte (PMN) functions (phagocytic activity and intracellular killing activity) in vitro. PMNs obtained from healthy volunteers were incubated with antituberculous drugs (isoniazid [INH], rifampin [RIF], py...

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Veröffentlicht in:International immunopharmacology 2005-07, Vol.5 (7), p.1337-1342
Hauptverfasser: Okuyan, Betül, Izzettin, Fikret Vehbi, Sancar, Mesut, Ertaş, Özgür, Çevikbaş, Adile, Gürer, Ümran Soyoğul
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container_end_page 1342
container_issue 7
container_start_page 1337
container_title International immunopharmacology
container_volume 5
creator Okuyan, Betül
Izzettin, Fikret Vehbi
Sancar, Mesut
Ertaş, Özgür
Çevikbaş, Adile
Gürer, Ümran Soyoğul
description The aim of the study was to investigate antituberculous drugs effects on polymorphonuclear leukocyte (PMN) functions (phagocytic activity and intracellular killing activity) in vitro. PMNs obtained from healthy volunteers were incubated with antituberculous drugs (isoniazid [INH], rifampin [RIF], pyrazinamide [PZA], ethambutol [EMB], streptomycin [S], amikacin [A], ofloxacin [OFLX], prothionamide [PTH] and cycloserine [CyC]) and different combinations at therapeutic serum concentrations. Phagocytic activity of PMNs was significantly increased when compared with controls by PTH ( p < 0.001), A ( p < 0.001), OFLX ( p < 0.001), INH + RIF + S combination ( p < 0.01), A + OFLX combination ( p < 0.05), A + OFLX + CyC combination ( p < 0.01) and A + OFLX + CyC + PTH + EMB combination ( p < 0.01). Intracellular killing activity of PMNs was significantly increased by OFLX when compared with the control ( p < 0.05). No significant difference was observed in functions of PMN for other drugs when compared with control ( p > 0.05). Functions of PMN were significantly increased by OFLX when compared with A + OFLX combination ( p < 0.05). Phagocytic activity of PMNs was significantly increased by A + OFLX + CyC combination and A + OFLX + CyC + PTH + EMB combination when compared with A + OFLX + CyC + PTH combination and A + OFLX + CyC + PTH + PZA combination ( p < 0.05). No significant difference was found in functions of PMN between the other groups ( p > 0.05). In conclusion, some antituberculous drugs alone or in combination enhanced PMN functions, although in combination no additive or synergistic effects were detected. Moreover, none of the antituberculous drugs alone or in combination significantly decreased PMN functions. The drugs having adverse effects on immune functions would better be replaced with equally effective drugs or drug combinations having positive effects on PMN functions.
doi_str_mv 10.1016/j.intimp.2005.03.002
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PMNs obtained from healthy volunteers were incubated with antituberculous drugs (isoniazid [INH], rifampin [RIF], pyrazinamide [PZA], ethambutol [EMB], streptomycin [S], amikacin [A], ofloxacin [OFLX], prothionamide [PTH] and cycloserine [CyC]) and different combinations at therapeutic serum concentrations. Phagocytic activity of PMNs was significantly increased when compared with controls by PTH ( p < 0.001), A ( p < 0.001), OFLX ( p < 0.001), INH + RIF + S combination ( p < 0.01), A + OFLX combination ( p < 0.05), A + OFLX + CyC combination ( p < 0.01) and A + OFLX + CyC + PTH + EMB combination ( p < 0.01). Intracellular killing activity of PMNs was significantly increased by OFLX when compared with the control ( p < 0.05). No significant difference was observed in functions of PMN for other drugs when compared with control ( p > 0.05). Functions of PMN were significantly increased by OFLX when compared with A + OFLX combination ( p < 0.05). Phagocytic activity of PMNs was significantly increased by A + OFLX + CyC combination and A + OFLX + CyC + PTH + EMB combination when compared with A + OFLX + CyC + PTH combination and A + OFLX + CyC + PTH + PZA combination ( p < 0.05). No significant difference was found in functions of PMN between the other groups ( p > 0.05). In conclusion, some antituberculous drugs alone or in combination enhanced PMN functions, although in combination no additive or synergistic effects were detected. Moreover, none of the antituberculous drugs alone or in combination significantly decreased PMN functions. The drugs having adverse effects on immune functions would better be replaced with equally effective drugs or drug combinations having positive effects on PMN functions.]]></description><identifier>ISSN: 1567-5769</identifier><identifier>EISSN: 1878-1705</identifier><identifier>DOI: 10.1016/j.intimp.2005.03.002</identifier><identifier>PMID: 15914338</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Antitubercular Agents - pharmacology ; Antituberculous drugs ; Biological and medical sciences ; Humans ; Intracellular killing ; Medical sciences ; Neutrophils - drug effects ; Neutrophils - immunology ; Phagocytosis ; Phagocytosis - drug effects ; Pharmacology. 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PMNs obtained from healthy volunteers were incubated with antituberculous drugs (isoniazid [INH], rifampin [RIF], pyrazinamide [PZA], ethambutol [EMB], streptomycin [S], amikacin [A], ofloxacin [OFLX], prothionamide [PTH] and cycloserine [CyC]) and different combinations at therapeutic serum concentrations. Phagocytic activity of PMNs was significantly increased when compared with controls by PTH ( p < 0.001), A ( p < 0.001), OFLX ( p < 0.001), INH + RIF + S combination ( p < 0.01), A + OFLX combination ( p < 0.05), A + OFLX + CyC combination ( p < 0.01) and A + OFLX + CyC + PTH + EMB combination ( p < 0.01). Intracellular killing activity of PMNs was significantly increased by OFLX when compared with the control ( p < 0.05). No significant difference was observed in functions of PMN for other drugs when compared with control ( p > 0.05). Functions of PMN were significantly increased by OFLX when compared with A + OFLX combination ( p < 0.05). Phagocytic activity of PMNs was significantly increased by A + OFLX + CyC combination and A + OFLX + CyC + PTH + EMB combination when compared with A + OFLX + CyC + PTH combination and A + OFLX + CyC + PTH + PZA combination ( p < 0.05). No significant difference was found in functions of PMN between the other groups ( p > 0.05). In conclusion, some antituberculous drugs alone or in combination enhanced PMN functions, although in combination no additive or synergistic effects were detected. Moreover, none of the antituberculous drugs alone or in combination significantly decreased PMN functions. The drugs having adverse effects on immune functions would better be replaced with equally effective drugs or drug combinations having positive effects on PMN functions.]]></description><subject>Antitubercular Agents - pharmacology</subject><subject>Antituberculous drugs</subject><subject>Biological and medical sciences</subject><subject>Humans</subject><subject>Intracellular killing</subject><subject>Medical sciences</subject><subject>Neutrophils - drug effects</subject><subject>Neutrophils - immunology</subject><subject>Phagocytosis</subject><subject>Phagocytosis - drug effects</subject><subject>Pharmacology. 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PMNs obtained from healthy volunteers were incubated with antituberculous drugs (isoniazid [INH], rifampin [RIF], pyrazinamide [PZA], ethambutol [EMB], streptomycin [S], amikacin [A], ofloxacin [OFLX], prothionamide [PTH] and cycloserine [CyC]) and different combinations at therapeutic serum concentrations. Phagocytic activity of PMNs was significantly increased when compared with controls by PTH ( p < 0.001), A ( p < 0.001), OFLX ( p < 0.001), INH + RIF + S combination ( p < 0.01), A + OFLX combination ( p < 0.05), A + OFLX + CyC combination ( p < 0.01) and A + OFLX + CyC + PTH + EMB combination ( p < 0.01). Intracellular killing activity of PMNs was significantly increased by OFLX when compared with the control ( p < 0.05). No significant difference was observed in functions of PMN for other drugs when compared with control ( p > 0.05). Functions of PMN were significantly increased by OFLX when compared with A + OFLX combination ( p < 0.05). Phagocytic activity of PMNs was significantly increased by A + OFLX + CyC combination and A + OFLX + CyC + PTH + EMB combination when compared with A + OFLX + CyC + PTH combination and A + OFLX + CyC + PTH + PZA combination ( p < 0.05). No significant difference was found in functions of PMN between the other groups ( p > 0.05). In conclusion, some antituberculous drugs alone or in combination enhanced PMN functions, although in combination no additive or synergistic effects were detected. Moreover, none of the antituberculous drugs alone or in combination significantly decreased PMN functions. The drugs having adverse effects on immune functions would better be replaced with equally effective drugs or drug combinations having positive effects on PMN functions.]]></abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>15914338</pmid><doi>10.1016/j.intimp.2005.03.002</doi><tpages>6</tpages></addata></record>
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subjects Antitubercular Agents - pharmacology
Antituberculous drugs
Biological and medical sciences
Humans
Intracellular killing
Medical sciences
Neutrophils - drug effects
Neutrophils - immunology
Phagocytosis
Phagocytosis - drug effects
Pharmacology. Drug treatments
Polymorphonuclear leukocyte
title Effect of antituberculous drugs on human polymorphonuclear leukocyte functions in vitro
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