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Kobayashi S, Hiwasa T, Kitamura K, Kano M, Hoshino T, Hirano S, Hashimoto M, Seimiya M, Shimada H, Nomura F, Matsubara H, Matsushita K. Combinational antibody detection approach increases the clinical validity of colorectal cancer screening. J Clin Lab Anal 2023; 37:e24978. [PMID: 37964630 PMCID: PMC10749486 DOI: 10.1002/jcla.24978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 09/27/2023] [Accepted: 10/15/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND At different stages of the disease, biomarkers can help to determine disease progression and recurrence and provide a personalized indicator of therapeutic effectiveness. The serological identification of antigens by recombinant cDNA expression cloning (SEREX) has identified five SEREX antigens. RESULTS Compared with healthy donors, anti-FIRΔexon2 and anti-SOHLH antibodies (Abs) in the sera of patients with colorectal cancer (CRC) were markedly higher. Furthermore, no correlation was noted between five SEREX antigens and the three tumor markers (CEA, CA19-9, and anti-p53 Abs), indicating that anti-FIRΔexon2 Abs are an independent candidate marker for patients with CRC. Generally, the levels of anti-FIRΔexon2 Abs combined with clinically available tumor markers were determined to be significantly higher compared with CEA, CA19-9. Moreover, in early-stage CRC, the levels of anti-FIRΔexon2 Abs combined with existing tumor markers were higher than those of CEA, CA19-9. CONCLUSION Due to the highly heterogeneous nature of CRC, a single tumor marker is unlikely to become a standalone diagnostic test due to its commonly insufficient sensitivity and/or specificity. Using a combination antibody detection approach of tumor markers for CRC diagnosis has the potential to be an effective approach. Therefore, the use of serum protein biomarker candidates holds promise for the development of inexpensive, noninvasive, and inexpensive tests for the detection of CRC.
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Affiliation(s)
- Sohei Kobayashi
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Takaki Hiwasa
- Department of Neurological Surgery, Graduate School of MedicineChiba UniversityChibaJapan
| | - Kouichi Kitamura
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
| | - Masayuki Kano
- Department of Frontier Surgery, Graduate School of MedicineChiba UniversityChibaJapan
| | - Tyuji Hoshino
- Department of Physical Chemistry, Graduate School of Pharmaceutical SciencesChiba UniversityChibaJapan
| | - Sho Hirano
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Mayuko Hashimoto
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Masanori Seimiya
- Department of Medical Technology & Sciences, School of Health Sciences at NaritaInternational University of Health and WelfareChibaJapan
| | - Hideaki Shimada
- Department of Gastroenterological Surgery, Graduate School of MedicineToho UniversityTokyoJapan
| | - Fumio Nomura
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
| | - Hisahiro Matsubara
- Department of Frontier Surgery, Graduate School of MedicineChiba UniversityChibaJapan
| | - Kazuyuki Matsushita
- Department of Laboratory Medicine & Division of Clinical GeneticsChiba University HospitalChibaJapan
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Keller DS. Is the quantitative faecal immunochemical test (qFIT) ready for prime time in the US? Colorectal Dis 2022; 24:558-561. [PMID: 35435298 DOI: 10.1111/codi.16156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 04/16/2022] [Indexed: 02/08/2023]
Affiliation(s)
- Deborah S Keller
- Division of Colorectal Surgery, Department of Surgery, University of California at Davis Medical Center, Sacramento, CA, USA
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Levy BT, Daly JM, Xu Y, Crockett SD, Hoffman RM, Dawson JD, Parang K, Shokar NK, Reuland DS, Zuckerman MJ, Levin A. Comparative effectiveness of five fecal immunochemical tests using colonoscopy as the gold standard: study protocol. Contemp Clin Trials 2021; 106:106430. [PMID: 33974994 DOI: 10.1016/j.cct.2021.106430] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 04/26/2021] [Accepted: 05/04/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND There are nearly 50,000 colorectal cancer (CRC) deaths in the United States each year. CRC is curable if detected in its early stages. Fecal immunochemical tests (FITs) can detect precursor lesions and many can be analyzed at the point-of-care (POC) in physician offices. However, there are few data to guide test selection. Broader use of FITs could make CRC screening more accessible, especially in resource-poor settings. METHODS A total of 3600 racially and ethnically diverse individuals aged 50 to 85 years having either a screening or surveillance colonoscopy will be recruited. Each participant will complete five FITs on a single stool sample. Test characteristics for each FIT for advanced colorectal neoplasia (ACN) will be calculated using colonoscopy as the gold standard. RESULTS We have complete data from a total of 2990 individuals. Thirty percent are Latino and 5.3% are black/African American. We will present full results once the study is completed. CONCLUSIONS Our focus in this study is how well FITs detect ACN, using colonoscopy as the gold standard. Four of the five FITs being used are POC tests. Although FITs have been shown to have acceptable performance, there is little data to guide which ones have the best test characteristics and colonoscopy is the main CRC screening test used in the United States. Use of FITs will allow broader segments of the population to access CRC screening because these tests require no preparation, are inexpensive, and can be collected in the privacy of one's home. Increasing CRC screening uptake will reduce the burden of advanced adenomas and colorectal cancer.
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Affiliation(s)
- Barcey T Levy
- Department of Family Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States of America; Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA, United States of America; Holden Comprehensive Cancer Center, University of Iowa, Iowa City, IA, United States of America.
| | - Jeanette M Daly
- Department of Family Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States of America
| | - Yinghui Xu
- Department of Family Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States of America
| | - Seth D Crockett
- Department of Gastroenterology and Hepatology, North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America
| | - Richard M Hoffman
- Holden Comprehensive Cancer Center, University of Iowa, Iowa City, IA, United States of America; Department of Gastroenterology and Hepatology, North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America
| | - Jeffrey D Dawson
- Department of Biostatistics and Dean's Office, College of Public Health, University of Iowa, Iowa City, IA, United States of America
| | - Kim Parang
- Department of Family Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States of America
| | - Navkiran K Shokar
- Department of Family and Community Medicine, Texas Tech University Health Sciences Center, El Paso, TX, United States of America
| | - Daniel S Reuland
- Department of Medicine, Division of General Medicine and Clinical Epidemiology, University of North Carolina School of Medicine, Chapel Hill, NC, United States of America
| | - Marc J Zuckerman
- Division of Gastroenterology, Department of Internal Medicine, Texas Tech University Health Sciences Center, El Paso, TX, United States of America
| | - Avraham Levin
- Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, United States of America
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