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Objectives: Non-coding RNA (ncRNA) plays a role in the development of diabetes and coronary heart disease. However, there is limited research on the association between ncRNA and these conditions. This study aims to conduct a bibliometric analysis and visualization of existing research to provide a comprehensive reference for future investigation in this field. Methods: We searched the China National Knowledge Infrastructure (CNKI) and Web of Science Core Collection (WoSCC) databases for articles published from 2012 to 2024. We analyzed publication volume, country of origin, authors, and keywords using Microsoft Office Excel, CiteSpace, and VOSviewer. Results: A total of 414 papers from 56 countries/regions, involving 298 authors, were analyzed. China had the highest number of publications (177), followed by the USA (90) and Italy (28). The number of publications generally shows an increasing trend. Collaborative research efforts were prevalent, with Katare Rajesh being the most cited author on average. International Journal of Molecular Sciences emerged as the most prolific journal in this field, while the article "MicroRNA profiling unveils hyperglycaemic memory in the diabetic heart" was identified as the most frequently cited. The analysis of keywords and literature indicates that current research predominantly focuses on the expression and mechanisms of ncRNA in disease, as well as its potential as a biomarker. Conclusion: Research on ncRNA in the context of diabetes and coronary heart disease has made notable strides, although it warrants further exploration. Through bibliometric and visual analysis, we elucidate the collaborative relationships among researchers, which can facilitate the identification of potential collaborators. Additionally, we delineate the key areas and emergent trends in this field, providing valuable insights that can guide researchers in selecting future research directions. Plain Language Summary: Tables and pictures are used to show the research status of ncRNA in diabetes mellitus with coronary heart disease This research explores the connection between a type of RNA called ncRNA and two common diseases: diabetes and coronary heart disease. We used a method called bibliometrics to analyze over 400 research papers published on this topic from 2012 to 2024. What we found: • The number of studies on ncRNA and diabetes with heart disease has been increasing over the past 12 years, indicating growing interest in this area. • China and the United States have published the most research on this topic, but international collaboration could further enhance the impact of these studies. • Some scientists, like Rajesh Katare, have made significant contributions to this field with their research on miRNA as a potential biomarker for heart disease in diabetes patients. • The most common journals publishing research on this topic include the International Journal of Molecular Sciences and the Journal of the American College of Cardiology. • The main focus of current research is understanding how ncRNA is expressed and functions in these diseases, and its potential as a biomarker for early diagnosis and treatment. Why this is important: • Diabetes and coronary heart disease are major health problems worldwide, causing significant illness and death. • ncRNA has the potential to be used as a biomarker for these diseases, which could lead to earlier diagnosis and better treatment options. • Understanding the role of ncRNA in these diseases could also help develop new treatments that target the underlying causes of the diseases. What's next: • Future research should focus on understanding the role of long noncoding RNA in diabetes and heart disease, as this type of RNA is thought to be important in regulating genes related to these diseases. • Increased international collaboration could. help further advance the field and improve the impact of research findings. [ABSTRACT FROM AUTHOR]

Objectives: Aberrantly expressed circular RNAs (circRNAs) have been detected in many types of tumors. Hence, they are currently investigated as candidate biomarkers for diagnostic and potential targets for therapy in cancers. The objective of this study was to assess the expression profile of circRNA in lung adenocarcinoma (LUAD). Methods: This study included 14 pairs of postoperative lung adenocarcinoma specimens, including cancer tissues and matched adjacent tissues. Second‐generation sequencing was applied to the specimens to determine the circRNA expression in them among the 5242 distinct circRNAs detected. Results: We identified a total of 18 significantly dysregulated circRNAs in the LUAD tissues: upregulation in four and downregulation in 14. ROC (The receiver operating characteristic curve) further suggested that hsa_circ_0120106, has_circ_0007342, has_circ_0005937, and circRNA_0000826 could potentially be used as biomarkers in the diagnosis of LUAD. Furthermore, study of the circRNA–microRNA (miRNA)–messenger RNA (mRNA) revealed interactions between the 18 dysregulated circRNA and several cancer‐related miRNAs. Finally, a further Kyoto Encyclopedia of Genes and Genomes analysis showed that the cell cycle phase transition, p53 signaling pathway, AMP‐activated protein kinase (AMPK) relative signaling pathway, and so on were key putative pathways in the process of LUAD. Conclusions: These findings demonstrated the correlation between abnormality in circRNA expression and LUAD, which lays the foundation of making CircRNAs candidate biomarkers in the diagnosis of LUAD. [ABSTRACT FROM AUTHOR]