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It was found that neuronal miR‑93‑5p was dramatically decreased in these HMO6 cells, and similar changes were observed in fresh brain tissue from patients with ICH. Most importantly, luciferase reporter assays were used to demonstrate that miR‑93‑5p directly targeted Nrf2 to inhibit its expression and the addition of the TGF‑β1 untranslated region restored the levels of Nrf2. Moreover, an miR‑93‑5p inhibitor increased the expression of TGF‑β1 and Nrf2 and decreased apoptosis. Collectively, these results identified a novel function of TGF‑β1 as a ceRNA that sponges miR‑93‑5p to increase the expression of neuroprotective Nrf2 and decrease cell death after ICH. The present findings provided evidence to support miR‑93‑5p as a potential therapeutic target for the treatment of ICH.A hypertrophic scar (HPS) is characterized by abnormal cell proliferation and the overproduction of extracellular matrix. Currently, the treatment options available for this remain unsatisfactory. Innovative treatments are required to attenuate or prevent hypertrophic scarring and the present study searched for a drug capable of becoming a new preventative and therapeutic strategy. Although the underlying mechanisms have not been fully clarified; it is widely accepted that the TGF‑β1/SMAD3 signaling pathway serves an essential role in HPS formation. In the present study, a compound library consisting of clinically used drugs was screened for their inhibitory activity against the SMAD3 protein. The results indicated that ivermectin was able to suppress the phosphorylation of SMAD3. Therefore, the present study further investigated whether ivermectin exhibited antifibrotic effects on HPS fibroblasts. The results demonstrated that ivermectin inhibited the proliferation of HPS fibroblasts and significantly decreased the production of type I collagen, α‑smooth muscle actin and cellular communication network factor 2, as determined by analyzing the mRNA and protein expression levels. In conclusion, the results of the present study suggested that ivermectin may be a promising therapeutic agent for HPS.Autophagy serves a crucial role in the etiology of kidney diseases, including drug‑induced renal impairment, inherited kidney disease, diabetic nephropathy and aristolochic acid nephropathy (AAN) and is, therefore, a potential target for treatment. We previously demonstrated that rapamycin could attenuate AAN in mice; however, the underlying mechanism remains to be elucidated. Therefore, whether the renal protective effect of rapamycin (an autophagy activator) is related to autophagy in aristolochic acid (AA)‑treated mice was of particular interest. The pathophysiological roles of rapamycin were investigated in AA‑induced nephrotoxicity in mice and the mechanisms of rapamycin action were explored by evaluating the modulation of autophagy in rapamycin‑treated mice and cultured renal tubular epithelial cells. Supplementation with rapamycin reversed AA‑induced kidney injury in mice and improved AA‑induced autophagy damage in vivo and in vitro. Mechanistically, rapamycin inhibited the renal expression of phosphorylated (p‑)mammalian target of rapamycin (mTOR) and p‑ribosomal S6 protein kinase 1, which in turn activated renal autophagy and decreased apoptosis, probably by removing AA‑elicited damaged mitochondria and misfolded proteins. The findings of the present study demonstrated that rapamycin protects against AA‑induced nephropathy by activating the mTOR‑autophagy axis and suggested that rapamycin may be a promising pharmacological target for the treatment of AAN.Following the publication of the above paper, a concerned reader drew to the Editor's attention that several figures bore striking similarities to other papers that were published at around the same time written by different authors based in different research institutions. Fig. 3 (in colour) was essentially the same as a greyscale figure (Fig. 4) in a paper published in Oncology Reports, which has now been retracted [Wan G, Tao J‑G, Wang G‑D, Liu S‑P, Zhao H‑X and Liang Q‑D 3‑β‑Εrythrodiol isolated from Conyza canadensis inhibits MKN‑45 human gastric cancer cell proliferation by inducing apoptosis, cell cycle arrest, DNA fragmentation, ROS generation and reduces tumor weight and volume in mouse xenograft mode. Oncol Rep 35 2328‑2338, 2016]. Furthermore, Figs. 5 and 6 in the above paper appeared to share data with Figs. 7 and 11, respectively, in a paper published in Phytomedicine [Sui C‑G, Meng F‑D and Jiang Y‑h Antiproliferative activity of rosamultic acid is associated with induction of apoptosis, cell cycle arrest, inhibition of cell migration and caspase activation in human gastric cancer (SGC‑7901) cells. Phyomedicine 22 796‑806, 2015]. After having conducted an independent investigation in the Editorial Office, the Editor of Molecular Medicine Reports has determined that the above paper should be retracted from the Journal on account of a lack of confidence concerning the originality and the authenticity of the data. The authors were asked for an explanation to account for these concerns, but the Editorial Office never received any reply. The Editor regrets any inconvenience that has been caused to the readership of the Journal. [the original article was published in Molecular Medicine Reports 14 3634‑3640, 2016; DOI 10.3892/mmr.2016.5679].Non‑alcoholic fatty liver disease (NAFLD) is a widespread threat to human health. However, the present screening methods for NAFLD are time‑consuming or invasive. The present study aimed to assess the potential of microRNAs (miRNAs/miRs) in serum extracellular vesicles (EVs) as a biomarker of NAFLD. C57BL/6J mice were fed either a 12‑week high‑fat diet (HFD) or standard chow to establish NAFLD and control groups, respectively. Zileuton research buy Serum samples were obtained from the mouse model of NAFLD, as well as 50 patients with NAFLD and 50 healthy individuals, and EVs were extracted and verified. Using reverse transcription‑quantitative PCR, the mRNA expression level of selected miRNAs in the serum and EVs was analyzed. In order to determine the diagnostic value, receiver operating characteristic (ROC) curves were used. The mice treated with HFD showed notable hepatic steatosis and higher concentrations of serum alanine aminotransferase (ALT). There was also a significant decrease in the expression levels of miR‑135a‑3p, miR‑129b‑5p and miR‑504‑3p, and an increase in miR‑122‑5p expression levels in circulating EVs in mice treated with HFD and patients with NAFLD.