This document, titled "microRNA-Based Cancer Diagnosis and Therapy," discusses the role of microRNAs (miRNAs) in cancer diagnosis and treatment. MiRNAs are small RNA molecules that regulate gene expression and have been implicated in tumor growth, recurrence, and therapeutic resistance. Dysregulated miRNA expression can serve as diagnostic and prognostic biomarkers for cancer, and their profiles can be analyzed using bioinformatics and machine learning techniques. MiRNAs also play critical roles in governing tumorigenesis and therapeutic sensitivity, and targeting dysregulated miRNAs has emerged as a promising therapeutic approach. Additionally, miRNAs can synergistically augment conventional chemotherapy and immunotherapy responses. However, there are challenges in delivering miRNAs to cells and avoiding adverse effects. Further research is needed to optimize miRNA-based therapies and understand miRNA pathway dynamics. [Extracted from the article]