West Asia Organization for Cancer Prevention (WAOCP), APOCP's West Asia Chapter. Asian Pacific Journal of Cancer Prevention 1513-7368 25 6 2024 06 01 Tumor Educated Platelets as a Biomarker for Diagnosis of Lung cancer: A Systematic Review 1911 1920 91187 10.31557/APJCP.2024.25.6.1911 EN Vaishali Walke Pathology and Lab Medicine, All India Institute of Medical Sciences, Bhopal, India. 0000-0002-1717-6649 Saikat Das Radiation Oncology, All India Institute of Medical Sciences, Bhopal, India. 0000-0002-8532-1799 Amol Mittal Neurosurgery, All India Institute of Medical Sciences, Bhopal, India. Amit Agrawal Neurosurgery, All India Institute of Medical Sciences, Bhopal, India. Journal Article 2024 02 01 Introduction: Lung cancer is one of the commonest cause of cancer associated mortality worldwide. Platelets have emerged as key players in cancer development and progression by supporting tumor growth, and dissemination. In the present systematic review, we analyzed RNA transfer between cancer cells and platelets and explored potential role of different platelet RNA profiles as onco-signature in diagnosis, subtyping, disease progression and treatment monitoring in carcinoma lung carcinoma. Materials and Methods: The study followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and Cochrane Manual of Systematic Reviews and Meta-analysis that included seven studies on patients with lung cancer, with data on tumor-educated platelets, and control group. The outcome measured was based on sensitivity, specificity, and ROC. PUBMED, SCOPUS, Central Cochrane Registry of Controlled Trials and Science Direct databases were searched using specific search terms until October 2023. QUADAS - 2 tool was used to assess quality, risk of bias and applicability concerns. Results: The analysis revealed AUC > 70% for different platelet mRNAs, with sensitivity and specificity of more than 60 %. AUC and sensitivity were highest for ITGA2B (AUC 0.922; sensitivity 92.8%). lncRNA GTF2H2-1 was the most specific platelet RNA. On QUADAS-2 tool, 3/7 articles were unclear in reference standards, patient flow timing, and 1/7 had high bias in both aspects. For applicability, 1/7 studies were unclear in reference standards, and 2/7 in index tests. Conclusion: TEP RNA can aid in early diagnosis of lung cancer and of proven utility in its early-stage detection. TEP RNA can also monitor disease progression and treatment response. https://journal.waocp.org/article_91187_aee9e442c781a4ad44f2fae9abc4697f.pdf