Investigating the protective effects of bromelain against inflammatory marker alterations induced by cadmium pulmonary intoxication in rat

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Rafiei Asl Sirous; Khadjeh Gholamhosein; JALALI SEYEDEH MISSAGH; Jamshidian Javad; REZAIE ANNAHITA

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Journal: SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL Year:2020 | Volume:16 | Issue:2 Page(s): 75-88

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Title

Investigating the protective effects of bromelain against inflammatory marker alterations induced by cadmium pulmonary intoxication in rat

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Keywords

CadmiumQ2

BromelainQ1

Pulmonary intoxicationQ1

Bronchoalveolar lavage fluidQ1

Protein electrophoresisQ2

Abstract

A total of 66 albino Wistar rats were subjected to the following treatments in 11 groups: Group 1 (negative control); Group 2 and 3: received Cadmium Chloride (CdCl2) 400 μ g/rat intratracheally (IT) and sampled after 5 and 10 days, respectively; Group 4 and 5: received Bromelain 20 mg/kg orally (PO) from 14 days before until 5 and 10 days after CdCl2 instillation, respectively; Group 6 and 7: received Bromelain 40 mg/kg from 14 days before until 5 and 10 days after CdCl2 instillation, respectively; Group 8: received Bromelain 40 mg/kg for 24 days; Group 9 and 10: received Celecoxib 25 mg/kg PO from one day before until 5 and 10 days after CdCl2 instillation, respectively; Group 11: received Celecoxib for 11 days. Serum protein analysis revealed that intratracheal Cadmium administration resulted in an insignificant rise in all globulin fractions on day 5 and 10 post-injection. Low dose Bromelain treatment for 24 days in CdCl2 exposed rats showed a significant decrease in serum total protein and all globulin fractions. However, CdCl2 plus high dose Bromelain treatment for 24 days, significantly increased all the mentioned analytes. Bronchoalveolar lavage fluid γ-globulin concentration was decreased in all Cadmium and/or Bromelain treated groups. However, these changes were not significant compared to the control group. Serum LDH activity was significantly increased 5 days after Cadmium intoxication while Bromelain or celecoxib coadministration resulted in an insignificant decrease in enzyme activity level. In the histopathologic examination, severe interstitial pneumonia and fibrinous bronchopneumonia were observed in Cadmium exposed rats and low dose Bromelain administration for 24 days resulted in the reduction of these complications in lung tissue. In brief, Bromelain administration can be considered as a supportive or alternative treatment to alleviate CdCl2 induced systemic and bronchoalveolar inflammatory changes, especially when administered in the lower dose.

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APA: Copy

Rafiei Asl, Sirous, Khadjeh, Gholamhosein, JALALI, SEYEDEH MISSAGH, Jamshidian, Javad, & REZAIE, ANNAHITA. (2020). Investigating the protective effects of bromelain against inflammatory marker alterations induced by cadmium pulmonary intoxication in rat. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 16(2 ), 75-88. SID. https://sid.ir/paper/374461/en

Vancouver: Copy

Rafiei Asl Sirous, Khadjeh Gholamhosein, JALALI SEYEDEH MISSAGH, Jamshidian Javad, REZAIE ANNAHITA. Investigating the protective effects of bromelain against inflammatory marker alterations induced by cadmium pulmonary intoxication in rat. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2020;16(2 ):75-88. Available from: https://sid.ir/paper/374461/en

IEEE: Copy

Sirous Rafiei Asl, Gholamhosein Khadjeh, SEYEDEH MISSAGH JALALI, Javad Jamshidian, and ANNAHITA REZAIE, “Investigating the protective effects of bromelain against inflammatory marker alterations induced by cadmium pulmonary intoxication in rat,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 16, no. 2 , pp. 75–88, 2020, [Online]. Available: https://sid.ir/paper/374461/en

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