On the whole, the findings suggested that CFA exerts a therapeutic effect against OA, and the activation of the Nrf2/heme oxygenase‑1 pathway may play a crucial role in CFA‑mediated cartilage protection.The activation of chimeric antigen receptor (CAR)‑T cells can lead to persistently high levels of programmed cell death 1 (PD‑1) antigen and eventually causes the exhaustion of T cells. The effectiveness of CAR‑T cells targeting C‑type lectin‑like molecule‑1 (CLL‑1) combined with PD‑1 silencing therapy for acute myeloid leukemia (AML) was evaluated in the present study. CLL‑1 levels in primary AML bone marrow samples was examined using flow cytometric analysis. We designed a CLL‑1 CAR‑T, containing CLL‑1‑specific single‑chain variable fragment, CD28, OX40, CD8 hinge and TM and CD3‑ζ signaling domains. CLL‑1 CAR‑T with PD‑1 silencing was constructed. It was confirmed that CLL‑1 is expressed on the surface of AML cells. CLL‑1 CAR‑T showed specific lysing activity against CLL‑1+ AML cells. PD‑1 silencing enhanced the killing ability of CLL‑1 CAR‑T. Furthermore, it was found that CAR‑T derived from healthy donor T cells was more effective in killing THP‑1 cells (a human acute monocytic leukemia cell line) than those from patient‑derived T cells. These results indicated that CLL‑1 CAR‑T and PD‑1 knockdown CLL‑1 CAR‑T could be used as a potential immunotherapy to treat relapsed or refractory AML.Ischemia‑reperfusion injury (IRI), also called reoxygenation injury, is the outcome of inflammatory processes and oxidative damage through the induction of oxidative stress. In the clinical setting, IRI contributes to severe hepatic injury, including liver cell death by apoptosis and ferroptosis. Ferroptosis is a novel type of cell death in hepatic IRI that involves small molecules that inhibit glutathione biosynthesis or glutathione peroxidase 4 (GPX4), which is a glutathione‑dependent antioxidant enzyme, causing mitochondrial damage. Currently, ferroptosis has been systematically described in neurological settings, kidney diseases and different types of cancer, while few studies have analysed the presence of ferroptosis and the regulatory mechanism of ferroptosis in hepatic IRI. Exploring the exact role played by ferroptosis in the liver following hepatic IRI in accordance with existing evidence and mechanisms could guide potential therapeutic interventions and provide a novel research avenue.Asthma is an inflammatory disease of the airways, characterized by lung eosinophilia, mucus hypersecretion by goblet cells and airway hyper‑responsiveness to inhaled allergens. The present study aimed to identify the function of microRNA (miR/miRNA)‑106b‑5p in TGF‑β1‑induced pulmonary fibrosis and epithelial‑mesenchymal transition (EMT) via targeting sine oculis homeobox homolog 1 (SIX1) through regulation of E2F transcription factor 1 (E2F1) in asthma. Asthmatic mouse models were induced with ovalbumin. miRNA expression was evaluated using reverse transcription‑quantitative PCR. Transfection experiments using bronchial epithelial cells were performed to determine the target genes. A luciferase reporter assay system was applied to identify the target gene of miR‑106b‑5p. The present study revealed downregulated miR‑106b‑5p expression and upregulated SIX1 expression in asthmatic mice and TGF‑β1‑induced BEAS‑2B cells. Moreover, miR‑106b‑5p overexpression inhibited TGF‑β1‑induced fibrosis and EMT in BEAS‑2B cells, while miR‑106b‑5p‑knockdown produced the opposite effects. Subsequently, miR‑106b‑5p was found to regulate SIX1 through indirect regulation of E2F1. Additionally, E2F1‑ and SIX1‑knockdown blocked TGF‑β1‑induced fibrosis and EMT in BEAS‑2B cells. In addition, miR‑106b‑5p negatively regulated SIX1 via E2F1 in BEAS‑2B cells. The present study demonstrated that the miR‑106b‑5p/E2F1/SIX1 signaling pathway may provide potential therapeutic targets for asthma.Colorectal cancer (CRC) is recognized as one of the most common malignancies, which ranks third among all cancer-related deaths worldwide. Nintedanib is an orally available tyrosine kinase inhibitor that can treat CRC; however, drug resistance to nintedanib leads to unsatisfactory treatments for patients with CRC. https://www.selleckchem.com/products/bda-366.html The aim of the present study was to explore whether overexpression of miR-429 elevated the sensitivity of CRC cells to nintedanib by downregulating dual specificity protein phosphatase 4 (DUSP4). The nintedanib-resistant CRC cell model was established via the treatment of cells with nintedanib in a dose-dependent manner. Reverse transcription-quantitative PCR was used to detect the expression levels of miR-429 and DUSP4, and to confirm the transfection efficiency of miR-429 mimic and DUSP4 overexpression plasmid. Cell Counting Kit-8 assay was utilized to measure the inhibition rate of cells. Western blotting was conducted to observe the expression levels of DUSP4 protein, apoptosis-related proteins and proteins related to the JNK signaling pathway. Dual-luciferase reporter assay was performed to evaluate luciferase activity and TUNEL assay was conducted to detect the apoptosis of cells. The results revealed that miR-429 mimic elevated the sensitivity of CRC cells to nintedanib. Moreover, by ENCORI prediction, DUSP4 was identified as a target gene of miR-429, and overexpression of DUSP4 reversed the inducing effect of miR-429 overexpression on the sensitivity of CRC cells to nintedanib. In conclusion, overexpression of miR-429 may elevate the sensitivity of CRC cells to nintedanib through inhibition of the JNK signaling pathway by targeting DUSP4.These findings may aid in the prevention of drug resistance of CRC cells to nintedanib.Chronic vascular inflammatory response is an important pathological basis of cardiovascular disease. Genistein (GEN), a natural compound, exhibits anti‑inflammatory effects. The aim of the present study was to investigate the effects of GEN on lipopolysaccharide (LPS)‑induced chronic vascular inflammatory response in mice and explore the underlying anti‑inflammatory mechanisms. C57BL/6 mice were fed with a high‑fat diet combined with intraperitoneal injection of LPS to induce chronic vascular inflammation. The expression levels of TNF‑α, IL‑6 and microRNA (miR)‑21 in the vasculature were detected via reverse transcription‑quantitative (RT‑q)PCR. The protein levels of inducible nitric oxide synthase (iNOS) and NF‑κB p65 were detected via western blotting. NF‑κB p65 was also analyzed via immunohistochemistry and immunofluorescence (IF). In addition, after transfection with miR‑21 mimic or inhibitor for 24 h, vascular endothelial cells (VECs) were treated with GEN and LPS. RT‑qPCR and western blot analyses were performed to detect the expression of TNF‑α, IL‑6, miR‑21 and iNOS, and the protein levels of iNOS and NF‑κB p65, respectively.