Evidence map›Paper›PMID 42262606›Full record

ArticleMolecular biology reports2026

Effects of Nicotine administration on α7nAChR, miR-124, STAT3, and inflammatory markers in Rat Lung Tissue.

Narges Dastmalchi, Fatemeh Asaadi, Elham Karimi-Sales, Mohammad Reza Alipour, Mohammad Amin Doustvandi, Behzad Mansoori, Khalil Hajiasgharzadeh

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Article in Molecular biology reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Narges DastmalchiStem Cell Research Center, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran.
Fatemeh AsaadiStem Cell Research Center, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran.
Elham Karimi-SalesStem Cell Research Center, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran.
Mohammad Reza AlipourStem Cell Research Center, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran.
Mohammad Amin DoustvandiImmunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Behzad MansooriThe Wistar Institute, Cellular and molecular oncogenesis Program, Philadelphia, PA, USA.
Khalil HajiasgharzadehStem Cell Research Center, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran. hajiasgharzadeh@gmail.com.

Funding

Tabriz University of Medical Sciences 72735
6 · The paper itself

Abstract

backgroundNicotine, the major alkaloid in tobacco, interacts with nicotinic acetylcholine receptors (nAChRs), particularly α7nAChR, which is involved in inflammatory regulation. MicroRNA‑124 (miR‑124) and signal transducer and activator of transcription 3 (STAT3) also participate in inflammatory signaling. This study investigated the effects of nicotine on α7nAChR, miR‑124, phosphorylated STAT3 (p‑STAT3), MCP‑1, and IL‑10 expression in rat lung tissue.

methodsAdult male Wistar rats (n = 8/group) received different doses of nicotine. Lung tissues were collected for molecular analyses. Expression of α7nAChR and miR‑124 was assessed using quantitative real‑time PCR (qRT‑PCR). Protein levels of α7nAChR and p‑STAT3 were evaluated by Western blotting, and MCP‑1 and IL‑10 levels were measured using ELISA.

resultsNicotine exposure was associated with a dose‑dependent increase in α7nAChR expression. miR‑124 expression increased at the lower nicotine dose but decreased at higher doses. Alterations in p‑STAT3 protein levels were also observed following nicotine administration. MCP‑1 levels decreased at the lower dose and increased at higher doses, whereas IL‑10 levels increased in nicotine‑treated groups.

conclusionNicotine administration was associated with changes in α7nAChR, miR‑124, p‑STAT3, MCP‑1, and IL‑10 expression in rat lung tissue, suggesting a potential association between nicotine exposure and inflammatory signaling pathways in the lung.

Indexed as

alpha7 Nicotinic Acetylcholine ReceptorLungMicroRNAsNicotineSTAT3 Transcription FactorAnimalsBiomarkersChemokine CCL2Gene Expression RegulationInflammationInterleukin-10MaleRatsRats, WistarSignal Transductionalpha7 Nicotinic Acetylcholine ReceptorBiomarkersChemokine CCL2Interleukin-10MicroRNAsMIRN124 microRNA, ratNicotineStat3 protein, ratSTAT3 Transcription FactorInflammationmiRNA-124NicotineSTAT3α7 nicotinic acetylcholine receptor

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