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Increasing the Sensitivity and Accuracy of Detecting Exosomes As Biomarkers for Cancer Monitoring Using Optical Nanobiosensors Publisher



Yasamineh S1 ; Nikben N2 ; Hamed Ahmed M3 ; Abdul Kareem R4 ; Kadhim Alaridhy A5 ; Hosseini Hooshiar M6
Authors
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Authors Affiliations
  1. 1. Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran
  2. 2. Iranian Cardiac Society, Tehran, Iran
  3. 3. College of Dentistry, Al-Noor University, Mosul, Iraq
  4. 4. Ahl Al Bayt University, Karbala, Iraq
  5. 5. College of Health and Medical Technology, National University of Science and Technology, Dhi Qar, 64001, Iraq
  6. 6. Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran

Source: Cancer Cell International Published:2024


Abstract

The advancement of nanoscience and material design in recent times has facilitated the creation of point-of-care devices for cancer diagnosis and biomolecule sensing. Exosomes (EXOs) facilitate the transfer of bioactive molecules between cancer cells and diverse cells in the local and distant microenvironments, thereby contributing to cancer progression and metastasis. Specifically, EXOs derived from cancer are likely to function as biomarkers for early cancer detection due to the genetic or signaling alterations they transport as payload within the cancer cells of origin. It has been verified that EXOs circulate steadily in bodily secretions and contain a variety of information that indicates the progression of the tumor. However, acquiring molecular information and interactions regarding EXOs has presented significant technical challenges due to their nanoscale nature and high heterogeneity. Colorimetry, surface plasmon resonance (SPR), fluorescence, and Raman scattering are examples of optical techniques utilized to quantify cancer exosomal biomarkers, including lipids, proteins, RNA, and DNA. Many optically active nanoparticles (NPs), predominantly carbon-based, inorganic, organic, and composite-based nanomaterials, have been employed in biosensing technology. The exceptional physical properties exhibited by nanomaterials, including carbon NPs, noble metal NPs, and magnetic NPs, have facilitated significant progress in the development of optical nanobiosensors intended for the detection of EXOs originating from tumors. Following a summary of the biogenesis, biological functions, and biomarker value of known EXOs, this article provides an update on the detection methodologies currently under investigation. In conclusion, we propose some potential enhancements to optical biosensors utilized in detecting EXO, utilizing various NP materials such as silicon NPs, graphene oxide (GO), metal NPs, and quantum dots (QDs). (Figure presented.). © The Author(s) 2024.
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