Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning

Abstract Circulating tumor cells (CTCs) and cancer-associated fibroblasts (CAFs) from whole blood are emerging as important biomarkers that potentially aid in cancer diagnosis and prognosis. The microfilter technology provides an efficient capture platform for them but is confounded by two challenge...

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Main Authors: Cheng Shen, Siddarth Rawal, Rebecca Brown, Haowen Zhou, Ashutosh Agarwal, Mark A. Watson, Richard J. Cote, Changhuei Yang
Format: Article
Language:English
Published: Nature Portfolio 2023-04-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-32955-0
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author Cheng Shen
Siddarth Rawal
Rebecca Brown
Haowen Zhou
Ashutosh Agarwal
Mark A. Watson
Richard J. Cote
Changhuei Yang
author_facet Cheng Shen
Siddarth Rawal
Rebecca Brown
Haowen Zhou
Ashutosh Agarwal
Mark A. Watson
Richard J. Cote
Changhuei Yang
author_sort Cheng Shen
collection DOAJ
description Abstract Circulating tumor cells (CTCs) and cancer-associated fibroblasts (CAFs) from whole blood are emerging as important biomarkers that potentially aid in cancer diagnosis and prognosis. The microfilter technology provides an efficient capture platform for them but is confounded by two challenges. First, uneven microfilter surfaces makes it hard for commercial scanners to obtain images with all cells in-focus. Second, current analysis is labor-intensive with long turnaround time and user-to-user variability. Here we addressed the first challenge through developing a customized imaging system and data pre-processing algorithms. Utilizing cultured cancer and CAF cells captured by microfilters, we showed that images from our custom system are 99.3% in-focus compared to 89.9% from a top-of-the-line commercial scanner. Then we developed a deep-learning-based method to automatically identify tumor cells serving to mimic CTC (mCTC) and CAFs. Our deep learning method achieved precision and recall of 94% (± 0.2%) and 96% (± 0.2%) for mCTC detection, and 93% (± 1.7%) and 84% (± 3.1%) for CAF detection, significantly better than a conventional computer vision method, whose numbers are 92% (± 0.2%) and 78% (± 0.3%) for mCTC and 58% (± 3.9%) and 56% (± 3.5%) for CAF. Our custom imaging system combined with deep learning cell identification method represents an important advance on CTC and CAF analysis.
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spelling doaj.art-5b629dc6fde54111a85b345a310428922023-04-09T11:14:10ZengNature PortfolioScientific Reports2045-23222023-04-0113111310.1038/s41598-023-32955-0Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learningCheng Shen0Siddarth Rawal1Rebecca Brown2Haowen Zhou3Ashutosh Agarwal4Mark A. Watson5Richard J. Cote6Changhuei Yang7Department of Electrical Engineering, California Institute of TechnologyDepartment of Pathology and Immunology, Washington University School of MedicineDepartment of Pathology and Immunology, Washington University School of MedicineDepartment of Electrical Engineering, California Institute of TechnologyDepartment of Biomedical Engineering, DJTMF Biomedical Nanotechnology Institute, University of MiamiDepartment of Pathology and Immunology, Washington University School of MedicineDepartment of Pathology and Immunology, Washington University School of MedicineDepartment of Electrical Engineering, California Institute of TechnologyAbstract Circulating tumor cells (CTCs) and cancer-associated fibroblasts (CAFs) from whole blood are emerging as important biomarkers that potentially aid in cancer diagnosis and prognosis. The microfilter technology provides an efficient capture platform for them but is confounded by two challenges. First, uneven microfilter surfaces makes it hard for commercial scanners to obtain images with all cells in-focus. Second, current analysis is labor-intensive with long turnaround time and user-to-user variability. Here we addressed the first challenge through developing a customized imaging system and data pre-processing algorithms. Utilizing cultured cancer and CAF cells captured by microfilters, we showed that images from our custom system are 99.3% in-focus compared to 89.9% from a top-of-the-line commercial scanner. Then we developed a deep-learning-based method to automatically identify tumor cells serving to mimic CTC (mCTC) and CAFs. Our deep learning method achieved precision and recall of 94% (± 0.2%) and 96% (± 0.2%) for mCTC detection, and 93% (± 1.7%) and 84% (± 3.1%) for CAF detection, significantly better than a conventional computer vision method, whose numbers are 92% (± 0.2%) and 78% (± 0.3%) for mCTC and 58% (± 3.9%) and 56% (± 3.5%) for CAF. Our custom imaging system combined with deep learning cell identification method represents an important advance on CTC and CAF analysis.https://doi.org/10.1038/s41598-023-32955-0
spellingShingle Cheng Shen
Siddarth Rawal
Rebecca Brown
Haowen Zhou
Ashutosh Agarwal
Mark A. Watson
Richard J. Cote
Changhuei Yang
Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning
Scientific Reports
title Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning
title_full Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning
title_fullStr Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning
title_full_unstemmed Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning
title_short Automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning
title_sort automatic detection of circulating tumor cells and cancer associated fibroblasts using deep learning
url https://doi.org/10.1038/s41598-023-32955-0
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