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An application of raman spectroscopy in combination with machine learning to determine gastric cancer spectroscopy marker

拉曼光谱 癌症 胃癌 胃切除术 内科学 医学 胃肠病学 病理 物理 光学
作者
Zozan Güleken,Paweł Jakubczyk,Wiesław Paja,Krzysztof Pancerz,Agnieszka Wosiak,İlhan Yaylım,Güldal İnal Gültekin,Nevzat Tarhan,Mehmet Tolgahan Hakan,Dilara Sönmez,Devrim Sarıbal,Soykan Arîkan,Joanna Depciuch
出处
期刊:Computer Methods and Programs in Biomedicine [Elsevier BV]
卷期号:234: 107523-107523 被引量:34
标识
DOI:10.1016/j.cmpb.2023.107523
摘要

Globally, gastric carcinoma (Gca) ranks fifth in terms of incidence and third in terms of mortality. Higher serum tumor markers (TMs) than those from healthy individuals, led to TMs clinical application as diagnostic biomarkers for Gca. Actually, there is no accurate blood test to diagnose Gca.Raman spectroscopy is applied as an efficient, credible, minimally invasive technique to evaluate the serum TMs levels in blood samples. After curative gastrectomy, serum TMs levels are important in predicting the recurrence of gastric cancer, which must be detected early. The experimentally assesed TMs levels using Raman measurements and ELİSA test were used to develop a prediction model based on machine learning techniques. A total of 70 participants diagnosed with gastric cancer after surgery (n = 26) and healthy (n = 44) were comrpised in this study.In the Raman spectra of gastric cancer patients, an additional peak at 1182 cm-1 was observed and, the Raman intensity of amide III, II, I, and CH2 proteins as well as lipids functional group was higher. Furthermore, Principal Component Analysis (PCA) showed, that it is possible to distinguish between the control and Gca groups using the Raman range between 800 and 1800 cm-1, as well as between 2700 and 3000 cm-1. The analysis of Raman spectra dynamics in gastric cancer and healthy patients showed, that the vibrations at 1302 and 1306 cm-1 were characteristic for cancer patients. In addition, the selected machine learning methods showed classification accuracy of more than 95%, while obtaining an AUROC of 0.98. Such results were obtained using Deep Neural Networks and the XGBoost algorithm.The obtained results suggest, that Raman shifts at 1302 and 1306 cm-1 could be spectroscopic markers of gastric cancer.
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