Protective effect of Echinacea purpurea against cisplatin-induced immunotoxicity.


Daru. 2019 Jun ;27(1):233-241. Epub 2019 May 27. PMID: 31134491

Abstract Title: 

Protective effect of Echinacea purpurea (Immulant) against cisplatin-induced immunotoxicity in rats.


PURPOSE: Cisplatin, one of the most effective anticancer drugs, is known to cause undesirable adverse effects, including immunotoxicity. Echinacea purpurea is an important medicinal plant with immunostimulatory and anti-inflammatory activities. We have investigated the protective effect of an herbal formulation (Immulant) containing E. purpurea extract against cisplatin-induced immunotoxicity in rats.METHODS: Forty mature albino rats were randomized into four groups (10 rats/group). Control (group 1) animals were subjected to intraperitoneal (i.p.) injection of saline solution (0.2 ml) once every 3 days. Group 2 animals received cisplatin (3.5 mg/kg, i.p.) once every 3 days for successive 2 weeks. Group 3 rats received oral Immulant (150 mg/kg) once daily for 2 weeks. Group 4 animals received oral Immulant treatment as in group 3 in addition to cisplatin as in group 2.Serum level of total protein and albumin, total and differential leukocytic count, phagocytic activity of monocytes, humoral activity and splenic histopathology and immunohistochemistry were used as diagnostic markers of immunotoxicity.RESULTS: Cisplatin induced marked inhibition of cellular immunity as exhibited by significant decrease of leukocytic count, lymphocyte percentage and phagocytic activity with marked increase in neutrophil percentage. Humoral immunity represented by marked inhibition in total protein andγ-globulin concentration and significant inhibition in antibody titer against Mycoplasma gallisepticum were recorded. Histopathological and immunohistochemical observation of the spleen of cisplatin-treated rats revealed obvious pathological findings of marked depletion and degeneration of lymphoidtissue. Co-oral administration of Immulant resulted in substantial improvement of various immunotoxicological indices compared to cisplatin control.CONCLUSION: The herbal medicine Immulant is an immunostimulant which could be used to treat the immunotoxic effects of cisplatin. Graphical abstract Cisplatin (CP) is a highly effective antineoplastic DNA alkylating agent. CP induces free radical production causing an oxidative damage.Cisplatin induced marked inhibition in cellular and humoral immunityEchinacea purpurea (Immulant) is a powerful anticytotoxic agent against cisplatin toxicity.

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