Article Publish Status: FREE
Abstract Title:

The aqueous extract of aged black garlic ameliorates colistin-induced acute kidney injury in rats.

Abstract Source:

Ren Fail. 2019 Nov ;41(1):24-33. PMID: 30714460

Abstract Author(s):

Tae Won Lee, Eunjin Bae, Jin Hyun Kim, Ha Nee Jang, Hyun Seop Cho, Se-Ho Chang, Dong Jun Park

Article Affiliation:

Tae Won Lee


The use of colistin in the treatment of multidrug-resistant Gram-negative bacterial infections is restricted due to nephrotoxicity. We investigated the effects of aged black garlic extract (ABGE) on colistin-induced kidney injury in rats. Rats were assigned to four groups. Normal saline was intraperitoneally and intragastrically injected for control group. ABGE was intragastrically injected for garlic group. Ten mg/kg of colistin was intraperitoneally injected for 6 consecutive days for colistin group. One percent of ABGE was done 30 min prior to colistin injection for treatment group. Rats were sacrificed on the next day after last colistin injection. Colistin injection increased the serum levels of blood urea nitrogen and creatinine; however, ABGE prevented deterioration of these serum levels. ABGE also alleviated tubular damage, including vacuolation and necrosis. TUNEL-positive cells were observed less frequently for the ABGE-treated groups. CD68 positive cells were significantly decreased by pretreatment with ABGE. Levels of oxidative stress biomarkers such as 8-hydroxydeoxyguanosine and malondialdehyde were lowerin the ABGE-treated groups. Levels of NF-κB, inducible NO synthase, COX-2, and TGF-β1 were lower in rats that had been treated with ABGE injection. Renal levels of IL-1β and TNF-α were increased by colistin administration whereas renal SOD, catalase, and GSH levels were restored by ABGE administration. These results suggest that ABGE, which has antioxidant and anti-inflammatory properties, might be a potential therapeutic agent to prevent renal toxicity of colistin.

Study Type : Animal Study

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