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Acute pancreatitis (AP) is an inflammatory disease with high morbidity and mortality. The regulation mechanism of miRNA is involved in the production and development of various diseases, but the regulation mechanism of miRNA in AP is still not fully elucidated. The expression of miR-339-3p was detected using quantitative real-time PCR. The levels of TNF-α, IL-1β, and IL-6 were detected using enzyme-linked immunosorbent assay. Cell apoptosis was measured using flow cytometry. The protein expressions of TNF receptor-associated factor 3 (TRAF3), Bcl-2, C-caspase 3, Bax, p-p38, and p38 were measured using western blot. Luciferase reporter assay and RNA immunoprecipitation assay were applied to ensure that miR-399-3p targeted TRAF3. Caerulein promoted the expression of TNF-α, IL-1β, and IL-6, enhanced the expression of C-caspase 3 and Bax while inhibited Bcl-2 protein expression. Meanwhile, caerulein also reduced the expression of miR-339-3p and induced the expression of TRAF3 in rat pancreatic acinar cells. miR-399-3p transfection inhibited the levels of TNF-α, IL-1β, and IL-6 and C-caspase 3 and Bax protein expression as well as suppressed cell apoptosis, while increased Bcl-2 protein expression in caerulein-induced AP. TRAF3 has been verified as a target of miR-339-3p. Interestingly, the reduction of miR-399-3p inhibited the p38 pathway, which was impaired by the upregulation of TRAF3. In addition, the suppression effects of miR-339-3p on cell inflammation and apoptosis in caerulein-induced AP were reversed by enhancing TRAF3 expression. In this study, in vitro model of AP was characterized by strong inflammation and cell apoptosis. We have first demonstrated the regulatory network of miR-339-3p and TRAF3. Overexpression of miR-339-3p inhibited cell inflammation and cell apoptosis in caerulein-induced AP through modulating TRAF3 expression via the p38 pathway, providing a new therapeutic target in the treatment of AP.

Recent advances in the research of late transition metal (Ni) salicylaldimine bimetallic catalysts in ethylene polymerization and copolymerization of ethylene with comonomers have been introduced. The effect of positioning two polymerization-active metal centers in close proximity on catalytic activity, molecular weight, molecular weight distribution, and levels of branching are thoroughly documented. The synergistic effect of these binuclear catalysts compared to their mononuclear analogs is the subject of this review.

Carcinogen exposure has been associated with enhanced cancer immunogenicity that is often attributed to neoantigen generation. However, the broader, neoantigen-independent impact of carcinogens on immune responses to cancer cells remains underexplored. In this issue of the JCI, Huang et al. uncover a mechanism wherein carcinogen-treated cancer cells exhibit an inability to establish an immunosuppressive tumor microenvironment (TME) due to reduced M-CSF expression. Intriguingly, the so-called carcinogen-induced tumor-associated macrophages (TAMs) within this TME exhibited anti-tumor properties instead of the conventional immunosuppressive phenotype. This phenomenon extended to human lung cancers, as evidenced by TAM reprogramming in smokers versus nonsmokers. This study substantially advances our understanding of carcinogen-mediated effects on cancer immunogenicity, potentially redirecting approaches to cancer immunotherapy., Carcinogen treatment augments cancer immunogenicity beyond neoantigens Carcinogens are substances with the ability to cause cancer mainly by generating mutations in cellular DNA. Carcinogens responsible for a substantial number of [...]

Background: Traditional Chinese Medicine (TCM) has been used in the treatment of anthracycline (ANTs)-induced cardiotoxicity. This meta-analysis aims to evaluate systematically the efficacy and safety of TCM combined with dexrazoxane (DRZ) on cardiotoxicity caused by ANTs. Materials and Methods: Retrieval of the China National Knowledge Infrastructure (CNKI), WAN FANG DATA, Chinese Biomedical Database (CBM), Cochrane Library, and PubMed was conducted through various methods. The meta-analysis was registered on PROSPERO (Registration ID: CRD42023435324). A randomized controlled trial (RCT) of TCM in combination with DRZ to avert cardiotoxicity caused by ANTs was compiled. The efficacy and safety of TCM Combined with DRZ, the cardiotoxicity induced by ANTs was synthesized and discussed, along with the outcomes of cardiac troponin T (cTnT), cardiac troponin I (cTnI), brain natriuretic peptide (BNP), creatine kinase isoenzymes (CK-MB), creatine kinase (CK), left ventricular ejection fraction (LVEF), electrocardiogram (ECG) abnormalities, and the incidence of adverse reactions. RevMan 5.3 was used for meta-analysis. Results: A total of 10 RCTs with 746 patients were included. The pooled results showed that TCM combined with DRZ treatment decreased significantly the incidence of ECG abnormalities (RR = 0.47, 95% CI [0.32,0.70], p = 0.0001), the level of cTnT (MD = −7.16, 95% CI [−8.31, −6.02], p< 0.001), CK (MD = −14.94, 95% CI [−22.91, −6.97], p< 0.001), cTnI (MD = −0.10, 95% CI [−0.14, −0.06], p< 0.001), BNP (MD = −33.66, 95% CI [−36.95, −30.37], p< 0.001), CK-MB (MD = −5.93, 95% CI [−8.16, −3.70], p< 0.001). However, there was no significant change in LVEF in the experimental group compared with the control group (MD = 4.81, 95% CI [−02.99, 12.21], p = 0.23). Moreover, adverse events have no significant difference between the two groups as well (RR = 0.60, 95% CI [0.31, 1.15], p = 0.13). Conclusion: This meta-analysis revealed TCM combined with DRZ appears to be able to improve the efficacy of cardiotoxicity caused by ANTs, but the included studies were of poor quality, and high-quality RCTs would be preferred for future studies. [ABSTRACT FROM AUTHOR]

Background: Peri‐implantitis and periodontitis have similar immunological bioprocesses and inflammatory phenotypes. In the inflammatory process, the adaptive immune cells can drive the development of disease. This research investigated the differences and diagnostic significance of peri‐implantitis and periodontitis in adaptive immune responses. Methods: We acquired four GEO datasets of gene expressions in surrounding tissues in healthy person, healthy implant, periodontitis, and peri‐implantitis patients. The structural characteristics and enrichment analyses of differential expression genes were examined. The adaptive immune landscapes in peri‐implantitis and periodontitis were then evaluated using single sample gene set enrichment analysis. The STRING database and Cytoscape were used to identify adaptive hub genes, and the ROC curve was used to verify them. Finally, qRT‐PCR method was used to verify the expression level of Hub gene in activated T cells on the titanium‐containing or titanium‐free culture plates. Results: At the transcriptome level, the data of healthy implant, peri‐implantitis and periodontitis were highly dissimilar. The peri‐implantitis and periodontitis both exhibited adaptive immune response. Except for the activated CD4+T cells, there was no significant difference in other adaptive immune cells between peri‐implantitis and periodontitis. In addition, correlation analysis showed that CD53, CYBB, and PLEK were significantly positively linked with activated CD4+T cells in the immune microenvironment of peri‐implantitis, making them effective biomarkers to differentiate it from periodontitis. Conclusions: Peri‐implantitis has a uniquely immunogenomic landscape that differs from periodontitis. This study provides new insights and ideas into the activated CD4+T cells and hub genes that underpin the immunological bioprocess of peri‐implantitis. [ABSTRACT FROM AUTHOR]

Land surface models (LSMs) should have reliable forcing, validation, and surface attribute data as the foundation for effective model development and improvement. Eddy covariance flux tower data are considered the benchmarking data for LSMs. However, currently available flux tower datasets often require multiple aspects of processing to ensure data quality before application to LSMs. More importantly, these datasets lack site-observed attribute data, limiting their use as benchmarking data. Here, we conducted a comprehensive quality screening of the existing reprocessed flux tower dataset, including the proportion of gap-filled data, external disturbances, and energy balance closure (EBC), leading to 90 high-quality sites. For these sites, we collected vegetation, soil, topography information, and wind speed measurement height from literature, regional networks, and Biological, Ancillary, Disturbance, and Metadata (BADM) files. Then we obtained the final flux tower attribute dataset by global data product complement and plant functional types (PFTs) classification. This dataset is provided in NetCDF format complete with necessary descriptions and reference sources. Model simulations revealed substantial disparities in output between the attribute data observed at the site and the defaults of the model, underscoring the critical role of site-observed attribute data and increasing the emphasis on flux tower attribute data in the LSM community. The dataset addresses the lack of site attribute data to some extent, reduces uncertainty in LSMs data source, and aids in diagnosing parameter as well as process deficiencies. The dataset is available at https://doi.org/10.5281/zenodo.10939725 (Shi et al., 2024). [ABSTRACT FROM AUTHOR]