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Nicotine exacerbates tacrolimus-induced renal injury by programmed cell death
The Korean Journal of Internal Medicine ; : 1437-1449, 2021.
Article in English | WPRIM | ID: wpr-919163
ABSTRACT
Background/Aims@#Cigarette smoking is an important modifiable risk factor in kidney disease progression. However, the underlying mechanisms for this are lacking. This study aimed to assess whether nicotine (NIC), a major toxic component of cigarette smoking, would exacerbates tacrolimus (TAC)-induced renal injury. @*Methods@#Sprague-Dawley rats were treated daily with NIC, TAC, or both drugs for 4 weeks. The influence of NIC on TAC-caused renal injury was examined via renal function, histopathology, oxidative stress, mitochondria, endoplasmic reticulum (ER) stress, and programmed cell death (apoptosis and autophagy). @*Results@#Both NIC and TAC significantly impaired renal function and histopathology, while combined NIC and TAC treatment aggravated these parameters beyond the effects of either alone. Increased oxidative stress, ER stress, mitochondrial dysfunction, proinf lammatory and profibrotic cytokine expressions, and programmed cell death from either NIC or TAC were also aggravated by the two combined. @*Conclusions@#Our observations suggest that NIC exacerbates chronic TAC nephrotoxicity, implying that smoking cessation may be beneficial for transplant smokers taking TAC.
Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: The Korean Journal of Internal Medicine Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: The Korean Journal of Internal Medicine Year: 2021 Type: Article