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Li C, You R, Liu L, Li Y, Pu H, Lei M, Li Z, You D, Xiong Q, Zhang T. Perioperative changing patterns and longitudinal trajectories of CA242 with colorectal cancer prognosis: a retrospective longitudinal cohort study. Sci Bull (Beijing) 2023; 68:1875-1879. [PMID: 37532589 DOI: 10.1016/j.scib.2023.07.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/19/2023] [Accepted: 07/21/2023] [Indexed: 08/04/2023]
Affiliation(s)
- Chunxia Li
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; Institute for Medical Dataology, Shandong University, Jinan 250002, China
| | - Ruimin You
- Department of Radiology, the Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming 650118, China
| | - Lizhu Liu
- Department of Radiology, the Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming 650118, China
| | - Yanli Li
- Department of Radiology, the Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming 650118, China
| | - Hongjiang Pu
- Department of Colorectal Surgery, the Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming 650118, China
| | - Ming Lei
- Department of Clinical Laboratory Medicine, the Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming 650118, China
| | - Zhenhui Li
- Department of Radiology, the Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming 650118, China
| | - Dingyun You
- School of Biomedical Engineering Research, Kunming Medical University, Kunming 650500, China.
| | - Qiuxia Xiong
- Yunnan Key Laboratory of Laboratory Medicine, Kunming 650032, China; Yunnan Province Clinical Research Center for Laboratory Medicine, Kunming 650032, China; Department of Clinical Laboratory, the First Affiliated Hospital of Kunming Medical University, Kunming 650032, China.
| | - Tao Zhang
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; Institute for Medical Dataology, Shandong University, Jinan 250002, China.
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Fawaz J, Pocard M, Liberale G, Eveno C, Malgras B, Sideris L, Hübner M, Sabbagh C, Sgarbura O, Taibi A, Hobeika C. A prediction model to refine the timing of an early second-look laparoscopic exploration in patients with colon cancer at high risk of early peritoneal metastasis recurrence. J Surg Oncol 2023; 128:576-584. [PMID: 37226983 DOI: 10.1002/jso.27359] [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: 03/12/2023] [Revised: 04/28/2023] [Accepted: 05/05/2023] [Indexed: 05/26/2023]
Abstract
BACKGROUND In patients at high risk of peritoneal metastasis (PM) recurrence following surgical treatment of colon cancer (CC), second-look laparoscopic exploration (SLLE) is mandatory; however, the best timing is unknown. We created a tool to refine the timing of early SLLE in patients at high risk of PM recurrence. METHODS This international cohort study included patients who underwent CC surgery between 2009 and 2020. All patients had PM recurrence. Factors associated with PM-free survival (PMFS) were assessed using Cox regression. The primary endpoint was early PM recurrence defined as a PMFS of <6 months. A model (logistic regression) was fitted and corrected using bootstrap. RESULTS In total, 235 patients were included. The median PMFS was 13 (IQR, 8-22) months, and 15.7% of the patients experienced an early PM recurrence. Synchronous limited PM and/or ovarian metastasis (hazard ratio [HR]: 2.50; 95% confidence interval [CI]: [1.66-3.78]; p < 0.001) were associated with a very high-risk status requiring SLLE. T4 (HR: 1.47; 95% CI: [1.03-2.11]; p = 0.036), transverse tumor localization (HR: 0.35; 95% CI: [0.17-0.69]; p = 0.002), emergency surgery (HR: 2.06; 95% CI: [1.36-3.13]; p < 0.001), mucinous subtype (HR: 0.50; 95% CI [0.30, 0.82]; p = 0.006), microsatellite instability (HR: 2.29; 95% CI [1.06, 4.93]; p = 0.036), KRAS mutation (HR: 1.78; 95% CI: [1.24-2.55]; p = 0.002), and complete protocol of adjuvant chemotherapy (HR: 0.93; 95% CI: [0.89-0.96]; p < 0.001) were also prognostic factors for PMFS. Thus, a model was fitted (area under the curve: 0.87; 95% CI: [0.82-0.92]) for prediction, and a cutoff of 150 points was identified to classify patients at high risk of early PM recurrence. CONCLUSION Using a nomogram, eight prognostic factors were identified to select patients at high risk for early PM recurrence objectively. Patients reaching 150 points could benefit from an early SLLE.
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Affiliation(s)
- Jade Fawaz
- Department of Digestive, Hepatobiliary and Liver Transplantation Surgery, Hôpital de la Pitié Salpêtrière, Assistance Publique-Hôpitaux de Paris and Sorbonne Université, Paris, France
- Sorbonne University, Paris, France
| | - Marc Pocard
- Department of Digestive, Hepatobiliary and Liver Transplantation Surgery, Hôpital de la Pitié Salpêtrière, Assistance Publique-Hôpitaux de Paris and Sorbonne Université, Paris, France
- UMR INSERM 1275 CAP Paris-Tech, Lariboisière Hospital, Université de Paris, Paris, France
| | - Gabriel Liberale
- Department of Surgical Oncology, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Clarisse Eveno
- Department of Digestive and Oncologic Surgery, Claude Huriez University Hospital, Centre Hospitalier Universitaire (CHU), Lille, France
| | - Brice Malgras
- Department of Digestive and Endocrine Surgery, Bégin Military Teaching Hospital, Saint-Mandé, France
| | - Lucas Sideris
- Department of Surgery, Maisonneuve-Rosemont Hospital, University of Montreal, Montreal, Quebec, Canada
| | - Martin Hübner
- Department of Visceral Surgery, Lausanne University Hospital CHUV, Lausanne, Switzerland
| | - Charles Sabbagh
- Department of Digestive Surgery, University Hospital of Amiens Picardie, Jules Verne University of Picardie, Amiens, France
| | - Olivia Sgarbura
- Department of Surgical Oncology, Cancer Institute Montpellier (ICM), University of Montpellier, Montpellier, France
| | - Abdelkader Taibi
- Digestive Surgery Department, Dupuytren Limoges University Hospital, Limoges, France
| | - Christian Hobeika
- Department of Digestive, Hepatobiliary and Liver Transplantation Surgery, Hôpital de la Pitié Salpêtrière, Assistance Publique-Hôpitaux de Paris and Sorbonne Université, Paris, France
- UMR INSERM 1275 CAP Paris-Tech, Lariboisière Hospital, Université de Paris, Paris, France
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Circulating Tissue Polypeptide-Specific Antigen in Pre-Diagnostic Pancreatic Cancer Samples. Cancers (Basel) 2021; 13:cancers13215321. [PMID: 34771485 PMCID: PMC8582400 DOI: 10.3390/cancers13215321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/01/2021] [Accepted: 10/21/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Detecting cancer early significantly increases the chances of successful (surgical) treatment. Pancreatic cancer is one of the deadliest cancer forms, since it is usually discovered at a late and already spread stage. Finding biomarkers showing pancreatic cancer at an early stage is a possible approach to early detection and improved treatment. The aim of our study was to assess the potential of tissue polypeptide specific antigen (TPS) as a biomarker for early pancreatic cancer detection. We studied TPS levels in blood plasma samples from a population-based biobank in Västerbotten, Sweden that were collected before individuals were diagnosed with pancreatic cancer. Although TPS levels are raised at diagnosis, this occurs late, and thus TPS does not seem to hold promise as an early detection marker for pancreatic cancer. Abstract Early detection of pancreatic ductal adenocarcinoma (PDAC) is challenging, and late diagnosis partly explains the low 5-year survival. Novel and sensitive biomarkers are needed to enable early PDAC detection and improve patient outcomes. Tissue polypeptide specific antigen (TPS) has been studied as a biomarker in PDAC diagnostics, and it has previously been shown to reflect clinical status better than the ‘golden standard’ biomarker carbohydrate antigen 19-9 (CA 19-9) that is most widely used in the clinical setting. In this cross-sectional case-control study using pre-diagnostic plasma samples, we aim to evaluate the potential of TPS as a biomarker for early PDAC detection. Furthermore, in a subset of individuals with multiple samples available at different time points before diagnosis, a longitudinal analysis was used. We assessed plasma TPS levels using enzyme-linked immunosorbent assay (ELISA) in 267 pre-diagnostic PDAC plasma samples taken up to 18.8 years before clinical PDAC diagnosis and in 320 matched healthy controls. TPS levels were also assessed in 25 samples at PDAC diagnosis. Circulating TPS levels were low both in pre-diagnostic samples of future PDAC patients and in healthy controls, whereas TPS levels at PDAC diagnosis were significantly increased (odds ratio 1.03; 95% confidence interval: 1.01–1.05) in a logistic regression model adjusted for age. In conclusion, TPS levels increase late in PDAC progression and hold no potential as a biomarker for early detection.
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Keratin intermediate filaments in the colon: guardians of epithelial homeostasis. Int J Biochem Cell Biol 2020; 129:105878. [PMID: 33152513 DOI: 10.1016/j.biocel.2020.105878] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/24/2020] [Accepted: 10/29/2020] [Indexed: 12/12/2022]
Abstract
Keratin intermediate filament proteins are major cytoskeletal components of the mammalian simple layered columnar epithelium in the gastrointestinal tract. Human colon crypt epithelial cells express keratins 18, 19 and 20 as the major type I keratins, and keratin 8 as the type II keratin. Keratin expression patterns vary between species, and mouse colonocytes express keratin 7 as a second type II keratin. Colonic keratin patterns change during cell differentiation, such that K20 increases in the more differentiated crypt cells closer to the central lumen. Keratins provide a structural and mechanical scaffold to support cellular stability, integrity and stress protection in this rapidly regenerating tissue. They participate in central colonocyte processes including barrier function, ion transport, differentiation, proliferation and inflammatory signaling. The cell-specific keratin compositions in different epithelial tissues has allowed for the utilization of keratin-based diagnostic methods. Since the keratin expression pattern in tumors often resembles that in the primary tissue, it can be used to recognize metastases of colonic origin. This review focuses on recent findings on the biological functions of mammalian colon epithelial keratins obtained from pivotal in vivo models. We also discuss the diagnostic value of keratins in chronic colonic disease and known keratin alterations in colon pathologies. This review describes the biochemical properties of keratins and their molecular actions in colonic epithelial cells and highlights diagnostic data in colorectal cancer and inflammatory bowel disease patients, which may facilitate the recognition of disease subtypes and the establishment of personal therapies in the future.
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Kang S, Zaidi AJ, Shokouh-Amiri M, Wiley E, Venepalli NK. A case report of paraneoplastic syndrome in β-hCG-secreting duodenal adenocarcinoma. J Gastrointest Oncol 2019; 10:1151-1156. [PMID: 31949933 DOI: 10.21037/jgo.2019.09.08] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Human chorionic gonadotropin (hCG) is a glycoprotein hormone that is used in clinical practice to detect pregnancy and serves as a sensitive marker for trophoblastic tumors. Other organs besides placental trophoblasts naturally express the hormone at low levels, which can be elevated in nontrophoblastic malignancies. Some studies have suggested that elevated β-hCG levels in nontrophoblastic tumors are a sign of aggressive disease and strongly associated with poor prognosis. We describe a case of a 50-year-old post-menopausal woman with metastatic duodenal adenocarcinoma who presented with a negative pregnancy test that later changed to positive. Biopsy of the primary duodenal mass showed positive immunohistochemical expression of β-hCG. The patient was also found to have multiple brain metastases, which is uncommon in gastrointestinal cancer. This is a rare case of paraneoplastic syndrome in a β-hCG-secreting duodenal adenocarcinoma.
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Affiliation(s)
- Sandra Kang
- Division of Internal Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Ayesha J Zaidi
- Oncology Clinical Trials Office, University of Illinois at Chicago, Chicago, IL, USA
| | | | - Elizabeth Wiley
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA
| | - Neeta K Venepalli
- Division of Hematology Oncology, Department of Medicine Oncology, University of Illinois at Chicago, Chicago, IL, USA
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Tang Y, Cui Y, Zhang S, Zhang L. The sensitivity and specificity of serum glycan-based biomarkers for cancer detection. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2019; 162:121-140. [PMID: 30905445 DOI: 10.1016/bs.pmbts.2019.01.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Most of clinically used serum biomarkers for cancer detection were established in early 1980s when the Nobel Prize in physiology or medicine was awarded for the "discovery of the principle for the production of monoclonal antibodies." Using this "Nobel" technology, various monoclonal antibodies were obtained when different types of cancer cells were injected into mice and the ligands on the cancer cell surface were characterized. Both aberrant glycan structures and aberrant glycan-associated glycoproteins were revealed as a common feature of cancer cell surfaces through the specific interactions with the monoclonal antibodies. These results indicate that the biosynthesis of the environment-sensitive glycan structures goes awry in cancer cells, which is beyond genetic mutations. Later on, the glycan-related biomarkers were detected in the sera of cancer patients and then developed into serum biomarkers, such as CA125, CA153, CA195, CA199, CA242, CA27.29, CA50, and CA724, which are still in clinical use as of today. During the past 30 years, even with the advancement of different OMICS technologies not limited to genomics, epigenomics, proteomics, glycomics, lipidomics, and metabolomics, very few serum biomarkers have been introduced into clinical practice. The reason is that most of the newly discovered cancer biomarkers are inferior in terms of sensitivity and specificity to these biomarkers. We will summarize the reported sensitivity and specificity of currently used cancer biomarkers, especially the glycan-related biomarkers, in the forms of tables and radar plots and discuss the pros and cons of currently used cancer biomarkers.
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Affiliation(s)
- Yang Tang
- Systems Biology and Medicine Center for Complex Diseases, Affiliated Hospital of Qingdao University, Qingdao, China; School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Yidi Cui
- Systems Biology and Medicine Center for Complex Diseases, Affiliated Hospital of Qingdao University, Qingdao, China; School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Shufeng Zhang
- College of Chemistry, Tianjin Normal University, Tianjin, China
| | - Lijuan Zhang
- Systems Biology and Medicine Center for Complex Diseases, Affiliated Hospital of Qingdao University, Qingdao, China; School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.
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Kim SB, Fernandes LC, Saad SS, Matos D. Assessment of the Value of Preoperative Serum Levels of CA 242 and CEA in the Staging and Postoperative Survival of Colorectal Adenocarcinoma Patients. Int J Biol Markers 2018; 18:182-7. [PMID: 14535588 DOI: 10.1177/172460080301800305] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Introduction CEA is the most frequently used tumor marker in colorectal cancer. There may be an improvement in its efficacy when used in association with CA 242. Aim The purpose of this study was to evaluate the efficacy of preoperative serum levels of the tumor markers CA 242 and CEA in the staging and postoperative follow-up of colorectal adenocarcinoma patients. Patients and Methods Of a series of 134 patients with colorectal adenocarcinomas 90 underwent radical surgery and 44 palliative surgery. The control group consisted of 22 organ donors. The cutoff serum levels utilized were 5 ng/mL for CEA and 20 U/mL for CA 242. The mortality during follow-up was recorded in order to determine the duration of survival. The data were submitted to statistical analysis using diagnostic tests, the chi-square test, survival analysis (Kaplan and Meier) and ROC curves. A significance level of p ≤ 0.05 was applied. Results The sensitivity of CEA in Dukes’ stages A, B, C and D was 27.8%, 32.4%, 32.1% and 66.7%, respectively. The sensitivity of CA 242 was 11.1%, 16.2%, 30.8% and 50%. When both markers were combined, the sensitivity was 33.3%, 48.6%, 40.7% and 72.5%. In the group of patients who underwent radical surgery the mean survival was 60.47 months for those with high preoperative CEA levels, 52.22 months for those with high preoperative CA 242 levels, and 44.80 months for those with elevated levels of both markers. There was a statistically significant difference in survival between patients undergoing radical surgery with elevated CA 242 levels, especially when CEA was also elevated, and patients without elevated CA 242. Conclusion Preoperative serum levels of CA 242 showed less efficacy than CEA levels for the staging of colorectal adenocarcinoma patients. Elevated preoperative serum levels of CA 242 alone were related to poor survival, especially in association with high levels of CEA.
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Affiliation(s)
- S B Kim
- Surgical Gastroenterology Division, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil.
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Khare P, Bose A, Singh P, Singh S, Javed S, Jain SK, Singh O, Pal R. Gonadotropin and tumorigenesis: Direct and indirect effects on inflammatory and immunosuppressive mediators and invasion. Mol Carcinog 2016; 56:359-370. [PMID: 27152491 DOI: 10.1002/mc.22499] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 04/21/2016] [Accepted: 05/02/2016] [Indexed: 01/08/2023]
Abstract
Human chorionic gonadotropin (hCG), a hormone essential for pregnancy, is also ectopically expressed by a variety of cancers and is associated with poor prognosis; molecular mechanisms which may contribute to tumor progression remain ill-defined. Exogenous hCG enhanced the viability of human colorectal and lung cancer cells and promoted the growth of syngeneic tumors in mice. It induced the synthesis of VEGF, IL-8, matrix metalloprotease (MMP)-2 and MMP-9, and increased invasiveness in an MMP-dependent manner. While inducing the secretion of the tumor-associated extra-cellular matrix proteoglycan versican from tumor cells, hCG consequently caused the TLR-2-mediated generation of the inflammatory, tumor-associated cytokines TNF-α and IL-6 from peripheral blood adherent cells. The molecule up-modulated the Treg-associated transcription factor FOXP3 in tumor cells and increased the secretion of TGFβ and IL-10, thereby inhibiting T cell proliferation and inducing the differentiation FOXP3- CD4+ CD25- cells into functional FOXP3+ CD4+ CD25+ suppressor cells. Co-culture of hCG-treated tumor cells with mature bone-marrow derived dendritic cells induced the generation of active indoleamine deoxygenase. While anti-hCG antibodies restricted the growth of implanted tumor cells in nude mice, immunization of immune competent mice with a βhCG-TT conjugate supplemented with Mycobacterium indicus pranii provided synergistic survival benefit in animals implanted with syngeneic, hCG-responsive tumor cells. These studies elucidate the pathways by which hCG can promote tumorigenesis, providing further rationale for anti-hCG vaccination in the treatment of gonadotropin-sensitive tumors. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Priyanka Khare
- Immunoendocrinology Laboratory, National Institute of Immunology, New Delhi, India
| | - Anjali Bose
- Immunoendocrinology Laboratory, National Institute of Immunology, New Delhi, India
| | - Poonam Singh
- Immunoendocrinology Laboratory, National Institute of Immunology, New Delhi, India
| | - Sandhya Singh
- Immunoendocrinology Laboratory, National Institute of Immunology, New Delhi, India
| | - Saleem Javed
- Department of Biochemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | | | - Om Singh
- Immunoendocrinology Laboratory, National Institute of Immunology, New Delhi, India
| | - Rahul Pal
- Immunoendocrinology Laboratory, National Institute of Immunology, New Delhi, India
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Wang J, Wang X, Yu F, Chen J, Zhao S, Zhang D, Yu Y, Liu X, Tang H, Peng Z. Combined detection of preoperative serum CEA, CA19-9 and CA242 improve prognostic prediction of surgically treated colorectal cancer patients. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:14853-14863. [PMID: 26823815 PMCID: PMC4713601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 10/26/2015] [Indexed: 06/05/2023]
Abstract
We assessed the prognostic significance of preoperative serum carcinoembryonic antigen (CEA), carbohydrate antigen 19-9 (CA19-9) and carbohydrate antigen 242 (CA242) levels in surgically treated colorectal cancer patients. The relationship of preoperative serum CEA, CA19-9 and CA242 levels with disease characteristics was investigated in 310 patients. Correlation between tumor markers was investigated using Pearson correlation test. Univariate and multivariate survival analyses were used to study the relationship between preoperative tumor markers and prognosis [disease free survival (DFS) and overall survival (OS)]. Kaplan-Meier analysis with log rank test was used to assess the impact of tumor marker levels on survival. Positive rate of preoperative serum CEA, CA19-9 and CA242 were 54.84%, 47.42% and 37.10%, respectively. High preoperative CEA level was associated with tumor size (P = 0.038), T stage (P < 0.001) and AJCC stage (P = 0.002). High preoperative CA19-9 level was associated with tumor AJCC stage (P = 0.023). Preoperative CA242 positively correlated with CEA (P < 0.001) and CA19-9 (P < 0.001). Combining the three markers was of independent prognostic value in CRC (HR = 2.532, 95% CI: 1.400-4.579, P = 0.002 for OS; and HR = 2.366, 95% CI: 1.334-4.196, P = 0.003 for DFS). Combined detection of preoperative serum CEA, CA19-9 and CA242 is of independent prognostic value for management of CRC patients treated surgically.
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Affiliation(s)
- Jingtao Wang
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Xiao Wang
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Fudong Yu
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Jian Chen
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Senlin Zhao
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Dongyuan Zhang
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Yang Yu
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Xisheng Liu
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Huamei Tang
- Department of Pathology, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
| | - Zhihai Peng
- Department of General Surgery, First People’s Hospital, Shanghai Jiao Tong University School of MedicineShanghai, China
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Abstract
This review describes studies performed by our group and other laboratories in the field aimed at development of biomarkers not only for cancer but also for other diseases. The markers covered include tumor-associated trypsin inhibitor (TATI), tumor-associated trypsin (TAT), human chorionic gonadotropin (hCG), prostate-specific antigen (PSA) and their various molecular forms, their biology and diagnostic use. The discovery of TATI was the result of a hypothesis-driven project aimed at finding new biomarkers for ovarian cancer among urinary peptides. TATI has since proved to be a useful prognostic marker for several cancers. Recently, it has been named Serine Peptidase Inhibitor Kazal Type 1 (SPINK1) after being rediscovered by several groups as a tumor-associated peptide by gene expression profiling and proteomic techniques and shown to promote tumor development by stimulating the EGF receptor. To explain why a trypsin inhibitor is strongly expressed in some cancers, research focused on the protease that it inhibited led to the finding of tumor-associated trypsin (TAT). Elevated serum concentrations of TAT-2 were found in some cancer types, but fairly high background levels of pancreatic trypsinogen-2 limited the use of TAT-2 for cancer diagnostics. However, trypsinogen-2 and its complex with α1-protease inhibitor proved to be very sensitive and specific markers for pancreatitis. Studies on hCG were initiated by the need to develop more rapid and sensitive pregnancy tests. These studies showed that serum from men and non-pregnant women contains measurable concentrations of hCG derived from the pituitary. Subsequent development of assays for the subunits of hCG showed that the β subunit of hCG (hCGβ) is expressed at low concentrations by most cancers and that it is a strong prognostic marker. These studies led to the formation of a working group for standardization of hCG determinations and the development of new reference reagents for several molecular forms of hCG. The preparation of intact hCG has been adopted as the fifth international standard by WHO. Availability of several well-defined forms of hCG made it possible to characterize the epitopes of nearly 100 monoclonal antibodies. This will facilitate design of immunoassays with pre-defined specificity. Finally, the discovery of different forms of immunoreactive PSA in serum from a prostate cancer patient led to identification of the complex between PSA and α1-antichymotrypsin, and the use of assays for free and total PSA in serum for improved diagnosis of prostate cancer. Epitope mapping of PSA antibodies and establishment of PSA standards has facilitated establishment well-standardized assays for the various forms of PSA.
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Affiliation(s)
- Ulf-Håkan Stenman
- a Department of Clinical Chemistry , Biomedicum, Helsinki University and Helsinki University Central Hospital (HUCH) , Helsinki , Finland
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Sisinni L, Landriscina M. The Role of Human Chorionic Gonadotropin as Tumor Marker: Biochemical and Clinical Aspects. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 867:159-76. [PMID: 26530366 DOI: 10.1007/978-94-017-7215-0_11] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Tumor markers are biological substances that are produced/released mainly by malignant tumor cells, enter the circulation in detectable amounts and are potential indicators of the presence of a tumor. The most useful biochemical markers are the tumor-specific molecules, i.e., receptors, enzymes, hormones, growth factors or biological response modifiers that are specifically produced by tumor cells and not, or minimally, by the normal counterpart (Richard et al. Principles and practice of gynecologic oncology. Wolters Kluwer Health, Philadelphia, 2009). Based on their specificity and sensitivity in each malignancy, biomarkers are used for screening, diagnosis, disease monitoring and therapeutic response assessment in clinical management of cancer patients.This chapter is focused on human chorionic gonadotropin (hCG), a hormone with a variety of functions and widely used as a tumor biomarker in selected tumors. Indeed, hCG is expressed by both trophoblastic and non-trophoblastic human malignancies and plays a role in cell transformation, angiogenesis, metastatization, and immune escape, all process central to cancer progression. Of note, hCG testing is crucial for the clinical management of placental trophoblastic malignancies and germ cell tumors of the testis and the ovary. Furthermore, the production of hCG by tumor cells is accompanied by varying degrees of release of the free subunits into the circulation, and this is relevant for the management of cancer patients (Triozzi PL, Stevens VC, Oncol Rep 6(1):7-17, 1999).The name chorionic gonadotropin was conceived: chorion derives from the latin chordate meaning afterbirth, gonadotropin indicates that the hormone is a gonadotropic molecule, acting on the ovaries and promoting steroid production (Cole LA, Int J Endocrinol Metab 9(2):335-352, 2011). The function, the mechanism of action and the interaction between hCG and its receptor continue to be the subject of intensive investigation, even though many issues about hCG have been well documented (Tegoni M et al., J Mol Biol 289(5):1375-1385, 1999).
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Affiliation(s)
- Lorenza Sisinni
- Laboratory of Pre-Clinical and Translational Research, IRCCS, Referral Cancer Center of Basilicata, Rionero in Vulture, PZ, Italy
| | - Matteo Landriscina
- Clinical Oncology Unit, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto, 1, 71100, Foggia, Italy.
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Ayude D, Rodríguez-Berrocal FJ, Ayude J, Blanco-Prieto S, Vázquez-Iglesias L, Vázquez-Cedeira M, Páez de la Cadena M. Preoperative serum CA 72.4 as prognostic factor of recurrence and death, especially at TNM stage II, for colorectal cancer. BMC Cancer 2013; 13:543. [PMID: 24215576 PMCID: PMC3829802 DOI: 10.1186/1471-2407-13-543] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Accepted: 11/08/2013] [Indexed: 01/05/2023] Open
Abstract
Background Nowadays, evaluation of colorectal cancer prognosis and decision-making for treatment continues to be based primarily on TNM tumour stage. Administration of adjuvant chemotherapy is especially challenging for stage II patients that can have very different disease-related outcomes. Therefore, more reliable prognostic markers need to be developed to improve the selection of stage II patients at high risk for recurrence. Our purpose is to assess the prognostic value of preoperative serum CA 72.4 to improve the risk stratification of CRC patients. Methods Preoperative sera collected from 71 unselected patients between January 1994 and February 1997 was assayed for CA 72.4 and CEA levels. Patients were followed-up for at least 30 months or until relapse. Survival curves were estimated by the Kaplan-Meier method and the prognostic value was determined using Log-Rank test and Cox regression analysis. Results Preoperative CA 72.4 levels above 7 U/mL correlate with a worse prognosis, with associated recurrence and death percentages exceeding the displayed by CEA. In a multivariate analysis, its combination with CEA proved the most important independent factor predicting survival. Remarkably, at stage II CA 72.4 also discriminates better than CEA those patients that will relapse or die from those with a favourable prognosis; however, CEA has not a negligible effect on survival. Conclusions The most outstanding finding of the present work is the correct classification of nearly every patient with bad prognosis (relapse or death) at TNM stage II when CEA and CA 72.4 are used altogether. This could improve the decision-making involved in the treatment of stage II colon cancer. Certainly further large-scale studies must be performed to determine whether CA 72.4 can be effectively used in the clinical setting.
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Lyytinen I, Lempinen M, Nordin A, Mäkisalo H, Stenman UH, Isoniemi H. Prognostic significance of tumor-associated trypsin inhibitor (TATI) and human chorionic gonadotropin-β (hCGβ) in patients with hepatocellular carcinoma. Scand J Gastroenterol 2013; 48:1066-73. [PMID: 23889187 DOI: 10.3109/00365521.2013.805810] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
AIM Hepatocellular carcinoma (HCC) is the sixth most common cancer and the third most frequent cause of cancer death worldwide. The aim of this study was to evaluate the prognostic value of serum tumor-associated trypsin inhibitor (TATI) and the free β subunit of human chorionic gonadotropin (hCGβ) in patients with HCC. METHODS The serum concentrations of TATI and hCGβ were determined by time-resolved immunofluorometric assays (IFMA) in pretreatment serum samples from 144 patients with HCC. Clinical data were retrieved from patient records and survival data obtained from Statistics Finland. RESULTS The overall cumulative disease-specific survival was 69% at 1 year, 50% at 2 years and 33% at 5 years. Disease-specific median survival time was 26 months. The overall survival in patients with low serum concentrations of TATI or hCGβ was statistically significantly better than in patients with elevated concentrations (p = 0.003 and 0.003, respectively). In multivariate analysis, both serum TATI and serum hCGβ were independent prognostic markers. CONCLUSION The results imply that elevated serum concentrations of TATI and hCGβ are predictors of adverse prognosis in patients with HCC and appear to be useful adjuncts in predicting prognosis in patients with HCC.
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Affiliation(s)
- Ilana Lyytinen
- Department of Transplantation and Liver Surgery, Clinic of Surgery, Helsinki University Hospital, Helsinki, Finland
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Overexpression of the β subunit of human chorionic gonadotropin promotes the transformation of human ovarian epithelial cells and ovarian tumorigenesis. THE AMERICAN JOURNAL OF PATHOLOGY 2011; 179:1385-93. [PMID: 21763678 DOI: 10.1016/j.ajpath.2011.05.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2010] [Revised: 04/26/2011] [Accepted: 05/09/2011] [Indexed: 01/22/2023]
Abstract
Ovarian carcinoma is the most lethal gynecologic malignancy, however underlying molecular events remain elusive. Expression of human chorionic gonadotropin β subunit (β-hCG) is clinically significant for both trophoblastic and nontrophoblastic cancers; however, whether β-hCG facilitates ovarian epithelial cell tumorigenic potential remains uncharacterized. Immortalized nontumorigenic ovarian epithelial T29 and T80 cells stably overexpressing β-hCG were examined for alterations in cell cycle and apoptotic status by flow cytometry, expression of proteins regulating cell cycle and apoptosis by Western blot, proliferation status by MTT assay, anchorage-independent colony formation, and mouse tumor formation. Immunoreactivity for β-hCG was evaluated using mouse xenografts and on human normal ovarian, fallopian tube, endometrium, and ovarian carcinoma tissues. T29 and T80 cells overexpressing β-hCG demonstrated significantly increased proliferation, anchorage-independent colony formation, prosurvival Bcl-X(L) protein expression, G2-checkpoint progression, elevated cyclins E/D1 and Cdk 2/4/6, and decreased apoptosis. Collectively, these transformational alterations in phenotype facilitated increased xenograft tumorigenesis (P < 0.05). Furthermore, β-hCG immunoreactivity was elevated in malignant ovarian tumors, compared with normal epithelial expression in ovaries, fallopian tube, and endometrium (P < 0.001). Our data indicate that elevated β-hCG transforms ovarian surface epithelial cells, facilitating proliferation, cell cycle progression, and attenuated apoptosis to promote tumorigenesis. Our results further decipher the functional role and molecular mechanism of β-hCG in ovarian carcinoma. β-hCG may contribute to ovarian cancer etiology, which introduces a new therapeutic intervention target for ovarian cancer.
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Carbohydrate antigen 242 highly consists with carbohydrate antigen 19-9 in diagnosis and prognosis of colorectal cancer: study on 185 cases. Med Oncol 2011; 29:1030-6. [PMID: 21553105 DOI: 10.1007/s12032-011-9967-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Accepted: 04/20/2011] [Indexed: 12/27/2022]
Abstract
The objective of the study was to compare the clinical value of preoperative serum carbohydrate antigen 19-9 (CA19-9) and carbohydrate antigen 242 (CA242) in diagnosis and prognosis for 5-year recurrence-free survival (RFS) in patients with colorectal cancer (CRC). Preoperative serum CA19-9 and CA242 concentrations were detected by C12 protein chip diagnostic system in 185 patients with CRC, and informative data were collected during 5-year follow-up periods. The value of CA19-9 and CA242 in diagnosis and prognosis for 5-year RFS as well as their consistencies and correlations were comparatively analyzed. The sensitivities of CA19-9 and CA242 were only 19.5 and 20%, respectively; the efficiencies of two TMs were 53.9 and 54.2%, respectively; and two TMs increased significantly with advancing clinical stages (P < 0.0001). Preoperative CA19-9 and CA242 levels correlated with stage (r, 0.411 and 0.408) and CEA concentration (r, 0.553 and 0.630). The concentrations of two TMs closely correlated with each other (r = 0.829), and two TMs had a very strong consistency in diagnosis (κ = 0.931). Among 88 of 185 cases with complete follow-up information on RFS, patients with positive preoperative serum CA19-9 or CA242 had higher 5-year recurrent rates (72.2% vs. 44.3%, P = 0.034; 76.5% vs. 43.7%, P = 0.015) and reduced median RFS (14 vs. 36 months, 12 vs. 36 months) compared with those with negative TMs. The consistency of predicting prognosis for RFS of two TMs was extremely strong (κ = 0.964). ROC curves analysis showed that CA242 test performed better than CA19-9 test (AUC, 0.648 vs. 0.605). Univariate analysis showed that preoperative serum status of both TMs was correlated with 5-year RFS (P < 0.05), whereas multivariate Cox regression model analysis revealed that none of them were independent prognostic factors for RFS. Both CA19-9 and CA242 had strong consistencies in diagnosis and prognosis for predicting 5-year RFS. CA242 demonstrated superior value to CA19-9 in CRC.
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Gilligan TD, Seidenfeld J, Basch EM, Einhorn LH, Fancher T, Smith DC, Stephenson AJ, Vaughn DJ, Cosby R, Hayes DF. American Society of Clinical Oncology Clinical Practice Guideline on Uses of Serum Tumor Markers in Adult Males With Germ Cell Tumors. J Clin Oncol 2010; 28:3388-404. [DOI: 10.1200/jco.2009.26.4481] [Citation(s) in RCA: 192] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
PurposeTo provide recommendations on appropriate uses for serum markers of germ cell tumors (GCTs).MethodsSearches of MEDLINE and EMBASE identified relevant studies published in English. Primary outcomes included marker accuracy to predict the impact of decisions on outcomes. Secondary outcomes included proportions of patients with elevated markers and statistical tests of elevations as prognostic factors. An expert panel developed consensus guidelines based on data from 82 reports.ResultsNo studies directly compared outcomes of decisions with versus without marker assays. The search identified few prospective studies and no randomized controlled trials; most were retrospective series. Lacking data on primary outcomes, most Panel recommendations are based on secondary outcomes (relapse rates and time to relapse).RecommendationsThe Panel recommended against using markers to screen for GCTs, to decide whether orchiectomy is indicated, or to select treatment for patients with cancer of unknown primary. To stage patients with testicular nonseminomas, the Panel recommended measuring three markers (α-fetoprotein [AFP], human chorionic gonadotropin [hCG], and lactate dehydrogenase [LDH]) before and after orchiectomy and before chemotherapy for those with extragonadal nonseminomas. They also recommended measuring AFP and hCG shortly before retroperitoneal lymph node dissection and at the start of each chemotherapy cycle for nonseminoma, and periodically to monitor for relapse. The Panel recommended measuring postorchiectomy hCG and LDH for patients with seminoma and preorchiectomy elevations. They recommended against using markers to guide or monitor treatment for seminoma or to detect relapse in those treated for stage I. However, they recommended measuring hCG and AFP to monitor for relapse in patients treated for advanced seminoma.
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Affiliation(s)
- Timothy D. Gilligan
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - Jerome Seidenfeld
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - Ethan M. Basch
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - Lawrence H. Einhorn
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - Timothy Fancher
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - David C. Smith
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - Andrew J. Stephenson
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - David J. Vaughn
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - Roxanne Cosby
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
| | - Daniel F. Hayes
- From the Taussig Cancer Institute and the Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH; American Society of Clinical Oncology, Alexandria, VA; Memorial Sloan-Kettering Cancer Center, New York, NY; Indiana Cancer Pavilion, Indiana University, Indianapolis, IN; Patient Representative; University of Michigan Medical Center, Ann Arbor, MI; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; and Cancer Care Ontario, McMaster University, Hamilton, Ontario,
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Goldstein MJ, Mitchell EP. Carcinoembryonic Antigen in the Staging and Follow-up of Patients with Colorectal Cancer. Cancer Invest 2009; 23:338-51. [PMID: 16100946 DOI: 10.1081/cnv-58878] [Citation(s) in RCA: 273] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
CEA is a complex glycoprotein produced by 90% of colorectal cancers and contributes to the malignant characteristics of a tumor. It can be measured in serum quantitatively, and its level in plasma can be useful as a marker of disease. Because of its lack of sensitivity in the early stages of colorectal cancer, CEA measurement is an unsuitable modality for population screening. An elevated preoperative CEA is a poor prognostic sign and correlates with reduced overall survival after surgical resection of colorectal carcinoma. A failure of the CEA to return to normal levels after surgical resection is indicative of inadequate resection of occult systemic disease. Frequent monitoring of CEA postoperatively may allow identification of patients with metastatic disease for whom surgical resection or other localized therapy might be potentially beneficial. To identify this group, serial CEA measurement appears to be more effective than clinical evaluation or any other diagnostic modality, although its sensitivity for detecting recurrent disease is not as high for locoregional or pulmonary metastases as it is for liver metastases. Several studies have shown that a small percentage of patients followed postoperatively with CEA monitoring and who undergo CEA-directed salvage surgery for metastatic disease will be alive and disease-free 5 years after surgery. Furthermore, CEA levels after salvage surgery do appear to predict survival in patients undergoing resection of liver or pulmonary metastases. However, several authors argue that CEA surveillance is not cost-effective in terms of lives saved. In support of this argument, there is no clear difference in survival after resection of metastatic disease with curative intent between patients in whom the second-look surgery was performed on the basis of elevated CEA levels and those with other laboratory or imaging abnormalities. There is also no clear consensus on the frequency or duration of CEA monitoring, although the ASCO guidelines currently recommend every 2-3 months for at least 2 years after diagnosis. In the follow-up of patients undergoing palliative therapy, the CEA level correlates well with response, and CEA is indicative of not only response but may also identify patients with stable disease for whom there is also a demonstrated benefit in survival and symptom relief with combination chemotherapy. More recently, scintigraphic imaging after administration of radiolabeled antibodies afforded an important radionuclide technique that adds clinically significant information in assessing the extent and location of disease in patients with colorectal cancer above and beyond or complementary to conventional imaging modalities. Immunotherapy based on CEA is a rapidly advancing area of clinical research demonstrating antibody and T-cell responses.
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Affiliation(s)
- Mitchell J Goldstein
- Division of Neoplastic Diseases, Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA.
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Sturgeon CM, Duffy MJ, Stenman UH, Lilja H, Brünner N, Chan DW, Babaian R, Bast RC, Dowell B, Esteva FJ, Haglund C, Harbeck N, Hayes DF, Holten-Andersen M, Klee GG, Lamerz R, Looijenga LH, Molina R, Nielsen HJ, Rittenhouse H, Semjonow A, Shih IM, Sibley P, Sölétormos G, Stephan C, Sokoll L, Hoffman BR, Diamandis EP. National Academy of Clinical Biochemistry Laboratory Medicine Practice Guidelines for Use of Tumor Markers in Testicular, Prostate, Colorectal, Breast, and Ovarian Cancers. Clin Chem 2008; 54:e11-79. [DOI: 10.1373/clinchem.2008.105601] [Citation(s) in RCA: 458] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Abstract
Background: Updated National Academy of Clinical Biochemistry (NACB) Laboratory Medicine Practice Guidelines for the use of tumor markers in the clinic have been developed.
Methods: Published reports relevant to use of tumor markers for 5 cancer sites—testicular, prostate, colorectal, breast, and ovarian—were critically reviewed.
Results: For testicular cancer, α-fetoprotein, human chorionic gonadotropin, and lactate dehydrogenase are recommended for diagnosis/case finding, staging, prognosis determination, recurrence detection, and therapy monitoring. α-Fetoprotein is also recommended for differential diagnosis of nonseminomatous and seminomatous germ cell tumors. Prostate-specific antigen (PSA) is not recommended for prostate cancer screening, but may be used for detecting disease recurrence and monitoring therapy. Free PSA measurement data are useful for distinguishing malignant from benign prostatic disease when total PSA is <10 μg/L. In colorectal cancer, carcinoembryonic antigen is recommended (with some caveats) for prognosis determination, postoperative surveillance, and therapy monitoring in advanced disease. Fecal occult blood testing may be used for screening asymptomatic adults 50 years or older. For breast cancer, estrogen and progesterone receptors are mandatory for predicting response to hormone therapy, human epidermal growth factor receptor-2 measurement is mandatory for predicting response to trastuzumab, and urokinase plasminogen activator/plasminogen activator inhibitor 1 may be used for determining prognosis in lymph node–negative patients. CA15-3/BR27–29 or carcinoembryonic antigen may be used for therapy monitoring in advanced disease. CA125 is recommended (with transvaginal ultrasound) for early detection of ovarian cancer in women at high risk for this disease. CA125 is also recommended for differential diagnosis of suspicious pelvic masses in postmenopausal women, as well as for detection of recurrence, monitoring of therapy, and determination of prognosis in women with ovarian cancer.
Conclusions: Implementation of these recommendations should encourage optimal use of tumor markers.
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Affiliation(s)
- Catharine M Sturgeon
- Department of Clinical Biochemistry, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Michael J Duffy
- Department of Pathology and Laboratory Medicine, St Vincent’s University Hospital and UCD School of Medicine and Medical Science, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Ulf-Håkan Stenman
- Department of Clinical Chemistry, Helsinki University Central Hospital, Helsinki, Finland
| | - Hans Lilja
- Departments of Clinical Laboratories, Urology, and Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY
| | - Nils Brünner
- Section of Biomedicine, Department of Veterinary Pathobiology, Faculty of Life Sciences, University of Copenhagen, Denmark
| | - Daniel W Chan
- Departments of Pathology and Oncology, Johns Hopkins Medical Institutions, Baltimore, MD
| | - Richard Babaian
- Department of Urology, The University of Texas Anderson Cancer Center, Houston, TX
| | - Robert C Bast
- Department of Experimental Therapeutics, University of Texas Anderson Cancer Center, Houston, Texas, USA
| | | | - Francisco J Esteva
- Departments of Breast Medical Oncology, Molecular and Cellular Oncology, University of Texas M.D. Anderson Cancer Center, Houston TX
| | - Caj Haglund
- Department of Surgery, Helsinki University Central Hospital, Helsinki, Finland
| | - Nadia Harbeck
- Frauenklinik der Technischen Universität München, Klinikum rechts der Isar, Munich, Germany
| | - Daniel F Hayes
- Breast Oncology Program, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI
| | - Mads Holten-Andersen
- Section of Biomedicine, Department of Veterinary Pathobiology, Faculty of Life Sciences, University of Copenhagen, Denmark
| | - George G Klee
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN
| | - Rolf Lamerz
- Department of Medicine, Klinikum of the University of Munich, Grosshadern, Germany
| | - Leendert H Looijenga
- Laboratory of Experimental Patho-Oncology, Erasmus MC-University Medical Center Rotterdam, and Daniel den Hoed Cancer Center, Rotterdam, the Netherlands
| | - Rafael Molina
- Laboratory of Biochemistry, Hospital Clinico Provincial, Barcelona, Spain
| | - Hans Jørgen Nielsen
- Department of Surgical Gastroenterology, Hvidovre Hospital, Copenhagen, Denmark
| | | | - Axel Semjonow
- Prostate Center, Department of Urology, University Clinic Muenster, Muenster, Germany
| | - Ie-Ming Shih
- Departments of Pathology and Oncology, Johns Hopkins Medical Institutions, Baltimore, MD
| | - Paul Sibley
- Siemens Medical Solutions Diagnostics, Glyn Rhonwy, Llanberis, Gwynedd, UK
| | | | - Carsten Stephan
- Department of Urology, Charité Hospital, Universitätsmedizin Berlin, Berlin, Germany
| | - Lori Sokoll
- Departments of Pathology and Oncology, Johns Hopkins Medical Institutions, Baltimore, MD
| | - Barry R Hoffman
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, and Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
| | - Eleftherios P Diamandis
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, and Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
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Vartiainen J, Lassus H, Lehtovirta P, Finne P, Alfthan H, Butzow R, Stenman UH. Combination of serum hCG beta and p53 tissue expression defines distinct subgroups of serous ovarian carcinoma. Int J Cancer 2008; 122:2125-9. [PMID: 18098286 DOI: 10.1002/ijc.23322] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Serous ovarian carcinoma comprises a clinically heterogenous group of tumors, and molecular markers stratifying patients into clinically meaningful subgroups are needed. Numerous markers have been evaluated, but none of them has yet been routinely incorporated into clinical practice. Previously we have found that elevated serum levels of the free beta subunit of human chorionic gonadotropin (hCG beta) and aberrant p53 expression confer poor prognosis in ovarian carcinoma. The aim of our study was to evaluate their combined effect in predicting the outcome of patients with serous ovarian carcinoma. The study material consisted of 173 consecutive patients treated for primary serous ovarian carcinoma in 1 institution between 1990 and 2000. The preoperative serum level of hCG beta was analyzed by a ultrasensitive and specific immunofluorometric assay, and p53 tumor tissue expression by immunohistochemistry using a novel classification. Elevated serum hCG beta (>or=2.0 pmol/L) was detected in 57 (33%) of 173 patients, and aberrant p53 expression in 103 (62%) of 167 interpretable cancers. Elevated hCG beta and aberrant p53 expression were strongly associated with poor prognosis (p < 0.0001 for both). Their additive prognostic effect was marked. Five-year survival was 14% (0-29%) when both markers were aberrant, 44% (29-60%) when either one was aberrant and 82% (70-94%) when both were normal. Preoperative serum hCG beta and tumor tissue p53 expression are feasible markers that divide serous ovarian carcinomas into clinically relevant subgroups.
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Affiliation(s)
- Juhani Vartiainen
- Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Hospital District of Helsinki and Uusimaa, Biomedicum Helsinki, Helsinki, Finland
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Qiu Y, Patwa TH, Xu L, Shedden K, Misek DE, Tuck M, Jin G, Ruffin MT, Turgeon DK, Synal S, Bresalier R, Marcon N, Brenner DE, Lubman DM. Plasma glycoprotein profiling for colorectal cancer biomarker identification by lectin glycoarray and lectin blot. J Proteome Res 2008; 7:1693-703. [PMID: 18311904 DOI: 10.1021/pr700706s] [Citation(s) in RCA: 163] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Colorectal cancer (CRC) remains a major worldwide cause of cancer-related morbidity and mortality largely due to the insidious onset of the disease. The current clinical procedures utilized for disease diagnosis are invasive, unpleasant, and inconvenient; hence, the need for simple blood tests that could be used for the early detection of CRC. In this work, we have developed methods for glycoproteomics analysis to identify plasma markers with utility to assist in the detection of colorectal cancer (CRC). Following immunodepletion of the most abundant plasma proteins, the plasma N -linked glycoproteins were enriched using lectin affinity chromatography and subsequently further separated by nonporous silica reversed-phase (NPS-RP)-HPLC. Individual RP-HPLC fractions were printed on nitrocellulose coated slides which were then probed with lectins to determine glycan patterns in plasma samples from 9 normal, 5 adenoma, and 6 colorectal cancer patients. Statistical tools, including principal component analysis, hierarchical clustering, and Z-statistics analysis, were employed to identify distinctive glycosylation patterns. Patients diagnosed with colorectal cancer or adenomas were shown to have dramatically higher levels of sialylation and fucosylation as compared to normal controls. Plasma glycoproteins with aberrant glycosylation were identified by nano-LC-MS/MS, while a lectin blotting methodology was used to validate proteins with significantly altered glycosylation as a function of cancer progression. The potential markers identified in this study for diagnosis to distinguish colorectal cancer from adenoma and normal include elevated sialylation and fucosylation in complement C3, histidine-rich glycoprotein, and kininogen-1. These potential markers of colorectal cancer were subsequently validated by lectin blotting in an independent set of plasma samples obtained from 10 CRC patients, 10 patients with adenomas, and 10 normal subjects. These results demonstrate the utility of this strategy for the identification of N -linked glycan patterns as potential markers of CRC in human plasma, and may have the utility to distinguish different disease states.
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Affiliation(s)
- Yinghua Qiu
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA
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Cytokeratin fragments in the serum: their utility for the management of oral cancer. Oral Oncol 2008; 44:722-32. [PMID: 18203649 DOI: 10.1016/j.oraloncology.2007.10.008] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2007] [Revised: 10/30/2007] [Accepted: 10/31/2007] [Indexed: 11/23/2022]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common malignancy and is a major cause of cancer morbidity and mortality worldwide. Oral cancer is the most predominant malignancy in the Indian subcontinent due to the widespread habits of chewing tobacco and related products. Patients with oral tumours have a high risk of early locoregional relapse. Early detection of disease progression remains a challenging task mainly due to the lack of adequate early prognostic markers. CEA, SCC Ag, CA-125, serum cytokeratin (CK) fragments, Cyfra 21-1 (CK 19), TPS (CK 18), TPA (CK 8, 18, and 19) etc. are being used as serum markers for the prediction of prognosis of various malignancies. This review presents the available literature on serum CK markers in different malignancies evaluates their utility in the management of oral cancer, and identifies the lacunae which need to be addressed to develop sensitive and specific assays for early detection of recurrence, prognosis, and treatment monitoring.
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Fernandes LC, Kim SB, Saad SS, Matos D. Value of carcinoembryonic antigen and cytokeratins for the detection of recurrent disease following curative resection of colorectal cancer. World J Gastroenterol 2006; 12:3891-4. [PMID: 16804977 PMCID: PMC4087940 DOI: 10.3748/wjg.v12.i24.3891] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the efficacy of postoperative serial assay of carcinoembryonic antigen (CEA) and cytokeratins for the detection of recurrent disease in patients with colorectal adenocarcinoma after radical surgery.
METHODS: Between 1993 and 2000, 120 patients with colorectal adenocarcinoma underwent radical surgery in the Department of Surgical Gastroenterology, Federal University of São Paulo-Escola Paulista de Medicina, São Paulo, Brazil. Periodic postoperative evaluation was performed by assaying markers in peripheral serum, colonoscopy and imaging examination. Presence of CEA was detected using the Delfia® method with 5 μg/L threshold, and cytokeratins using the LIA-mat® TPA-M Prolifigen® method with 72 U/L threshold.
RESULTS: In the first postoperative year, patients without recurrent disease had normal levels of CEA (1.5 ± 0.9 μg/L) and monoclonal tissue polypeptide antigen-M (TPA-M, 64.4 ± 47.8 U/L), while patients with recurrences had high levels of CEA (6.9 ± 9.8 μg/L, P < 0.01) and TPA-M (192.2 ± 328.8 U/L, P < 0.05). During the second postoperative year, patients without tumor recurrence had normal levels of CEA (2.0 ± 1.8 μg/L) and TPA-M (50.8 ± 38.4 U/L), while patients with recurrence had high levels of CEA (66.3 ± 130.8 μg/L, P < 0.01) and TPA-M (442.7 ± 652.8 U/L, P < 0.05). The mean follow-up time was 22.3 mo. There was recurrence in 23 cases. Five reoperations were performed without achieving radical excision. Rises in tumor marker levels preceded identification of recurrences: CEA in seven (30%) and TPA-M in eleven individuals (48%).
CONCLUSION: Intensive follow-up by serial assay of CEA and cytokeratins allows early detection of colorectal neoplasm recurrence.
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Affiliation(s)
- Luis C Fernandes
- Department of Surgical Gastroenterology, Federal University of São Paulo-Escola Paulista de Medicina, Brazil.
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Riska A, Alfthan H, Finne P, Jalkanen J, Sorvari T, Stenman UH, Leminen A. Preoperative Serum hCGβ as a Prognostic Marker in Primary Fallopian Tube Carcinoma. Tumour Biol 2006; 27:43-9. [PMID: 16340249 DOI: 10.1159/000090155] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2005] [Accepted: 08/11/2005] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES It was the aim of this study to evaluate the prognostic value of the pretreatment serum concentrations of the beta-subunit of human chorionic gonadotropin (hCGbeta), CA 125 and tumour-associated trypsin inhibitor (TATI) in primary fallopian tube carcinoma (PFTC). METHODS The pretreatment serum concentrations of hCGbeta, CA 125 and TATI were analyzed in serum samples from 60 women with a mean age of 61 years, treated for PFTC between 1985 and 2000. Of the 91 patients treated during this period, 31 were excluded because no serum sample was available. The patients were followed-up for recurrence and survival until February 14, 2003. The prognostic value of the serum markers were compared with those of stage, grade and histological type. RESULTS The median survival time was 27 months and the overall 5-year survival rate 33%. Stage and size of the residual tumour (<1 vs. > or =1 cm) predicted both overall and disease-free survival (p < 0.050). Histology (serous vs. others) (p = 0.023) also influenced overall survival. Overall 5-year survival was 38% when serum hCGbeta was below 3.5 pmol/l, while it was 18% when the level was higher (p = 0.052). The corresponding disease-free 5-year survival was 38 and 20%, respectively (p = 0.014). Patients with CA 125 values above 1,017 kU/l had an overall 5-year survival of 39% as compared with 14% for those with lower values (p = 0.009), while the disease-free survival was 37 and 23%, respectively (p = 0.096). Serum TATI was not a prognostic marker. Serum concentrations of hCGbeta and CA 125 correlated significantly with stage (p = 0.049 and p = 0.050, respectively). In multivariate Cox proportional hazards regression analysis, only hCGbeta, stage and histology emerged as independent prognostic factors. CONCLUSIONS Clearly elevated serum concentrations of hCGbeta and CA 125 predict survival in fallopian tube carcinoma, but in multivariate analyses, only hCGbeta is a prognostic factor independent of stage and histology.
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Affiliation(s)
- A Riska
- Department of Obstetrics and Gynaecology, Helsinki University Central Hospital, Finland
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Fernandes LC, Kim SB, Matos D. Cytokeratins and carcinoembryonic antigen in diagnosis, staging and prognosis of colorectal adenocarcinoma. World J Gastroenterol 2005; 11:645-8. [PMID: 15655814 PMCID: PMC4250731 DOI: 10.3748/wjg.v11.i5.645] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the serum levels of cytokeratins and carcinoembryonic antigen (CEA) in diagnosis, staging and prognosis of patients with colorectal adenocarcinoma.
METHODS: The sample consisted of 169 patients. One hundred blood donors formed the control group. Radical surgery was performed on 120 patients, with an average follow-up duration of 22.3 mo. Relapses occurred in 23 individuals after an average of 18.09 mo. CEA was assayed via the Delfia® method with a limit of 5 ng/mL. Cytokeratins were assayed via the LIA-mat® TPA-M Prolifigen® method with a limit of 72 U/L.
RESULTS: In the diagnosis of patients with colorectal adenocarcinoma, CEA showed a sensitivity of 56%, a specificity of 95%, a positive predictive value of 94%, a negative predictive value of 50% and an accuracy of 76.8%. TPA-M had a sensitivity of 70%, a specificity of 96%, a positive predictive value of 97%, a negative predictive value of 66% and an accuracy of 93.6%. The elevation of one of the markers was shown to have a sensitivity of 76.9%, a specificity of 91%, a positive predictive value of 93.5%, a negative predictive value of 70% and an accuracy of 83.6%. There was no variation in the levels of the markers according to the degree of cell differentiation while there was an elevation in their concentrations in accordance with the increase in neoplastic dissemination. There was a statistically significant difference between the patients with stage IV lesions and those with stages I, II and III tumors. With regard to CEA, the average level was 14.2 ng/mL in patients with stage I lesions, 8.5 ng/mL in patients with stage II lesions, 8.0 ng/mL in patients with stage III lesions and 87.7 ng/mL in patients with stage IV lesions. In relation to TPA-M, the levels were 153.1 U/L in patients with stage I tumors, 106.5 U/L in patients with stage II tumors, 136.3 U/L in patients with stage III tumors and 464.3 U/L in patients with stage IV tumors. There was a statistical difference in patients with a high CEA level in relation to a shorter survival (P<0.05). However, there was no correlation between patients with high TPA-M levels and prognostic indices of patients undergoing radical surgery.
CONCLUSION: Cytokeratins demonstrate a greater sensitivity than CEA in the diagnosis of colorectal adenocarcinoma. There is an increase in the sensitivity of the markers with tumor dissemination. Cytokeratins cannot identify the worse prognosis in patients undergoing radical surgery. Cytokeratins constitute an advance in the direction of a perfect tumor marker in the treatment of patients with colorectal cancer.
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Affiliation(s)
- Luís C Fernandes
- Coloproctology Sector of Surgical Gastroenterology Department, UNIFESP-Escola Paulista de Medicina, Al. Santos, 211, cj.304, Paraiso Sao Paulo-SP 01419-000, Brazil.
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25
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Carpelan-Holmström M, Louhimo J, Stenman UH, Alfthan H, Järvinen H, Haglund C. CEA, CA 242, CA 19-9, CA 72-4 and hCGbeta in the diagnosis of recurrent colorectal cancer. Tumour Biol 2005; 25:228-34. [PMID: 15627885 DOI: 10.1159/000081385] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2004] [Accepted: 07/10/2004] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE The purpose of this study was to compare the utility of serum CEA, CA 19-9, CA 242, CA 72-4 and human chorionic gonadotropin (hCG)beta in the follow-up of 102 surgically treated colorectal cancer patients, out of which 40 patients developed clinical recurrence. METHODS In patients with recurrent disease, serum samples were obtained at the time of clinical recurrence, and in the disease-free group, they were obtained postoperatively. The combined use of the markers was evaluated with logistic regression analysis. The sensitivities of the different tumour markers at various specificity levels were compared by receiver operating characteristic (ROC) curve analysis. RESULTS When the five tumour markers, Dukes stage and location of the primary tumour were evaluated together in the same model, only CEA provided significant diagnostic information (p < 0.0005) in addition to the location of the primary tumour (p = 0.003). The diagnostic information provided by the other serum tumour markers was insignificant, although CA 72-4 approached borderline significance (p = 0.053). ROC curves were constructed and the difference in the values of the area under the curve (AUC) between the different serum tumour markers was determined at the time of clinical recurrence. Of the individual markers, the highest AUC was observed for CEA (AUC = 0.931). The difference in AUC values between CEA and the other tumour markers was highly significant (p < or = 0.001). CONCLUSIONS CEA had the highest diagnostic accuracy in detecting recurrent colorectal cancer. Inclusion of CA 19-9, CA 242, CA 72-4 or hCGbeta in the model did not improve the accuracy, although CA 72-4 approached borderline significance (p = 0.053). Thus, CEA seems to retain its position as the surveillance marker of choice for patients surgically treated for colorectal cancer.
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26
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Barak V, Goike H, Panaretakis KW, Einarsson R. Clinical utility of cytokeratins as tumor markers. Clin Biochem 2005; 37:529-40. [PMID: 15234234 DOI: 10.1016/j.clinbiochem.2004.05.009] [Citation(s) in RCA: 230] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2004] [Indexed: 12/22/2022]
Abstract
Cytokeratins, belonging to the intermediate filament (IF) protein family, are particularly useful tools in oncology diagnostics. At present, more than 20 different cytokeratins have been identified, of which cytokeratins 8, 18, and 19 are the most abundant in simple epithelial cells. Upon release from proliferating or apoptotic cells, cytokeratins provide useful markers for epithelial malignancies, distinctly reflecting ongoing cell activity. It appears that motifs in certain cytokeratins make them likely substrates for caspase degradation, and their subsequent release occurs during the intermediate events in apoptosis. The clinical value of determining soluble cytokeratin protein fragments in body fluids lies in the early detection of recurrence and the fast assessment of the efficacy of therapy response in epithelial cell carcinomas. The three most applied cytokeratin markers used in the clinic are tissue polypeptide antigen (TPA), tissue polypeptide specific antigen (TPS), and CYFRA 21-1. TPA is a broad spectrum test that measures cytokeratins 8, 18, and 19. TPS and CYFRA 21-1 assays are more specific and measure cytokeratin 18 and cytokeratin 19, respectively. By following patients with repeated testing during management, the oncologist may obtain critical information regarding the growth activity in symptomatic patients. Although their main use is to monitor treatment and evaluate response to therapy, early prognostic information particularly on tumor progression and metastasis formation is also provided for several types of cancers. Cytokeratin tumor markers can accurately predict disease status before conventional methods and offer a simple, noninvasive, cheap, and reliable tool for more efficient management.
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Affiliation(s)
- Vivian Barak
- Immunology Laboratory for Tumor Diagnosis, Oncology Department, Hadassah University Hospital, Jerusalem, Israel
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27
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Louhimo J, Kokkola A, Alfthan H, Stenman UH, Haglund C. Preoperative hCGbeta and CA 72-4 are prognostic factors in gastric cancer. Int J Cancer 2004; 111:929-33. [PMID: 15300805 DOI: 10.1002/ijc.20321] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In gastric cancer, the role of tumour markers in assessment of prognosis is unconfirmed. In our study, we evaluated the prognostic significance of serum tumour markers carcinoembryonic antigen (CEA), CA 19-9, CA 72-4, CA 242 and free beta subunit of human chorionic gonadotropin (hCGbeta) in gastric cancer. Preoperative serum samples were obtained from 146 patients with gastric cancer, including 29 with stage I, 11 with stage II, 42 with stage III and 64 patients with stage IV cancer. Quantitation of CEA, CA 19-9, CA 72-4 and CA 242 in serum was performed with commercial assays. HCGbeta was measured with an in-house immunofluorometric assay based on monoclonal antibodies specific for the free beta-subunit of hCG. Survival analysis was performed with Kaplan-Meier life-tables and log-rank test, and with multivariate Cox regression analysis. Disease-specific cumulative 2-year survival rate was 40%. Serum levels of CEA, CA 72-4, CA 242 and hCGbeta showed significant correlation with stage (p<0.027); for CA 19-9 the association was of borderline significance (p=0.056). Of the studied markers, CA 19-9, CA 72-4, CA 242 and hCGbeta were found to be prognostic factors in univariate analysis (p< 0.022). In multivariate analysis, stage had the statistically most significant association with prognosis followed by hCGbeta, tumour histology according to the Laurén classification and by CA 72-4. In gastric cancer, tumour markers hCGbeta and CA 72-4 are independent prognostic factors in addition to stage and histological type of the tumour.
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Affiliation(s)
- Johanna Louhimo
- Department of Surgery, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland
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28
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Abstract
Human chorionic gonadotropin (hCG) is mainly used for detection and monitoring of pregnancy and pregnancy-related disorders but it is also an extremely sensitive and specific marker for trophoblastic tumors of placental and germ cell origin. Thus treatment of relapsing choriocarcinomas and testicular germ cell tumors is often initiated on the basis of rising hCG levels even in the absence of clinical or histological evidence of a relapse. While these tumors mostly produce the intact heterodimeric hormone consisting of an alpha (hCGalpha), and a beta subunit (hCGbeta), many nontrophoblastic tumors produce only hCGbeta This is usually a sign of aggressive disease and elevated serum levels of hCGbeta are strongly associated with poor prognosis. Elevated serum levels are observed in 45-60% of patients with biliary and pancreatic cancer and in 10-30% of most other cancers. Methods that detect hCG and hCGbeta together are mainly used for measurement of hCG-like immunoreactivity in serum. However, the reference range for hCG is 5-8 fold higher than that for hCGbeta and thus moderately elevated levels can be identified only with a specific and sensitive hCGbeta assay.
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Affiliation(s)
- Ulf-Håkan Stenman
- Department of Clinical Chemistry, Helsinki University Central Hospital, Helsinki University, Biomedicum, PB 63 FIN-00014, Finland.
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29
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Hotakainen K, Ljungberg B, Haglund C, Nordling S, Paju A, Stenman UH. Expression of the free beta-subunit of human chorionic gonadotropin in renal cell carcinoma: prognostic study on tissue and serum. Int J Cancer 2003; 104:631-5. [PMID: 12594819 DOI: 10.1002/ijc.11000] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Expression of the free beta-subunit of human chorionic gonadotropin (hCGbeta) in malignant tumors is frequently associated with aggressive disease. We have shown previously that the pretreatment serum concentration of hCGbeta is an independent prognostic variable in patients with renal cell carcinoma (RCC). We now compare the serum levels with the expression of hCGbeta antigen and mRNA in tumor tissue and studied whether these are associated with the clinical outcome. Serum samples were collected before surgery from patients with RCC (n = 256) and from 84 apparently healthy controls. HCGbeta in serum was measured by a time-resolved immunofluorometric assay. Tissue expression was detected by immunohistochemical staining of a tissue microarray (TMA) comprising 229 samples, and in selected cases by reverse transcription polymerase chain reaction (RT-PCR) of hCGbeta mRNA (n = 20) from tumor tissue. The prognostic value of hCGbeta in serum and tissue and the association with usual clinicopathological variables was analyzed by the Kaplan-Meier method, the log-rank test, Cox multiple hazard regression, Mann-Whitney U-test or Kruskal-Wallis test. The serum concentrations of hCGbeta were increased in 27% of the RCC patients and patients with increased hCGbeta levels had significantly shorter survival time than those with levels below the median (cut-off 1.2 pmol l(-1), p = 0.0044). HCGbeta antigen was detected in 15% (35 of 229) of the tumors by immunohistochemistry, and hCGbeta mRNA in 8 of 20 samples (40%) by RT-PCR. Tissue positivity for hCGbeta antigen was not associated significantly with mRNA expression, serum concentrations of hCGbeta or survival. In multivariate analysis tumor stage, grade, size and serum hCGbeta were independent prognostic variables. The serum concentration of hCGbeta is an independent prognostic variable in RCC. Tissue expression of hCGbeta detected by immunohistochemistry occurs in 15% of RCCs but it is not significantly associated with prognosis. Expression at the mRNA level seems to be associated with other predictors of adverse outcome.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Carcinoma, Renal Cell/blood
- Carcinoma, Renal Cell/chemistry
- Carcinoma, Renal Cell/diagnosis
- Carcinoma, Renal Cell/pathology
- Chorionic Gonadotropin, beta Subunit, Human/analysis
- Chorionic Gonadotropin, beta Subunit, Human/blood
- Chorionic Gonadotropin, beta Subunit, Human/genetics
- Disease Susceptibility
- Female
- Humans
- Male
- Middle Aged
- Prognosis
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Survival Rate
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Affiliation(s)
- Kristina Hotakainen
- Department of Clinical Chemistry, Helsinki University Central Hospital and Helsinki University, Helsinki, Finland.
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30
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Duffy MJ, van Dalen A, Haglund C, Hansson L, Klapdor R, Lamerz R, Nilsson O, Sturgeon C, Topolcan O. Clinical utility of biochemical markers in colorectal cancer: European Group on Tumour Markers (EGTM) guidelines. Eur J Cancer 2003; 39:718-27. [PMID: 12651195 DOI: 10.1016/s0959-8049(02)00811-0] [Citation(s) in RCA: 247] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In recent years, numerous serum and cell/tissue-based markers have been described for colorectal cancer (CRC). The aim of this article was to provide guidelines for the routine clinical use of some of these markers. Lack of sensitivity and specificity preclude the use of any available serum markers such as carcinoembryonic antigen (CEA), CA 19-9, CA 242, CA 72-4, tissue polypeptide antigen (TPA) or tissue polypeptide-specific antigen (TPS) for the early detection of CRC. However, preoperative measurement of CEA is desirable as this may give independent prognostic information, help with surgical management and provide a baseline level for subsequent determinations. For patients with stage 2 (Dukes' B) and 3 (Dukes' C) disease who may be candidates for liver resection, CEA levels should be measured every 2-3 months for at least 3 years after diagnosis. For monitoring treatment of advanced disease, CEA should also be tested every 2-3 months. Insufficient evidence is presently available to recommend the routine use of other serum markers for monitoring purposes. Similarly, the new cell and tissue-based markers (e.g, ras, P53) cannot yet be recommended for routine clinical use.
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Affiliation(s)
- M J Duffy
- Department of Surgery, Conway Institute of Biomolecular and Biomedical Research, University College Dublin 4 and Nuclear Medicine, St Vincent's University Hospital, 4, Dublin, Ireland.
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31
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Upadhya S, Upadhya S, Vasudevan DM. Tissue polypeptide specific antigen in the post therapeutic evaluation of patients with ovarian and colorectal cancer. Indian J Clin Biochem 2003; 18:46-51. [DOI: 10.1007/bf02867664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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32
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Louhimo J, Carpelan-Holmström M, Alfthan H, Stenman UH, Järvinen HJ, Haglund C. Serum HCG beta, CA 72-4 and CEA are independent prognostic factors in colorectal cancer. Int J Cancer 2002; 101:545-8. [PMID: 12237895 DOI: 10.1002/ijc.90009] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In colorectal cancer, stage is considered to be the strongest prognostic factor, but also serum tumour markers have been reported to be of prognostic value. The aim of our study was to investigate the prognostic value of serum carcinoembryonic antigen (CEA), CA 19-9, CA 242, CA 72-4 and free beta subunit of human chorionic gonadotropin (hCG beta) in colorectal cancer. Preoperative serum samples were obtained from 204 colorectal cancer patients, including 31 patients with Dukes' A, 70 with Dukes' B, 49 with Dukes' C and 54 with Dukes' D cancer. The serum levels of CEA, CA 19-9, CA 242 and CA 72-4 were measured with commercial kits with cut-off values of 5 microg/L for CEA, 37 kU/L for CA 19-9, 20 kU/L for CA 242 and 6 kU/L for CA 72-4. The serum hCG beta was quantitated by an immunofluorometric assay (IFMA) with 2 pmol/L as a cut-off value. Survival analyses were performed with Kaplan-Meier life tables, log-rank test and Cox proportional hazards model. The sensitivity was 44% for CEA, 26% for CA 19-9, 36% for CA 242, 27% for CA 72-4 and 16% for hCG beta. The overall 5-year survival was 55%, and in Dukes' A, B, C and D cancers the survival was 89%, 77%, 52% and 3%, respectively. Elevated serum values of all markers correlated with worse survival (p < 0.001). In Cox multivariate analysis, the strongest prognostic factor was Dukes' stage (p < 0.001), followed by tumour location (p = 0.002) and preoperative serum markers hCG beta (p = 0.002), CA 72-4 (p = 0.003) and CEA (p = 0.005). In conclusion, elevated CEA, CA 19-9, CA 242, CA 72-4 and hCG beta relate to poor outcome in colorectal cancer. In multivariate analysis, independent prognostic significance was observed with hCG beta, CA 72-4 and CEA.
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Affiliation(s)
- Johanna Louhimo
- Department of Surgery, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland
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33
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Yao WJ, Wang ST, Chow NH, Chang TT, Lin PW, Tu DG. Serum tissue polypeptide specific antigen as a noninvasive prognostic indicator for early recurrence of hepatocellular carcinoma after curative resection. Cancer 2002; 95:112-8. [PMID: 12115324 DOI: 10.1002/cncr.10626] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND Serum tissue polypeptide specific antigen (TPS) is a useful cell proliferation marker in diagnosing and monitoring patients with a variety of malignancies. The objective of this study was to determine the usefulness of serum TPS as a noninvasive prognostic factor for early recurrence of hepatocellular carcinoma (HCC) after patients undergo curative resection. METHODS Serum TPS levels were measured by monoclonal TPS immunoradiometric assay in 54 patients shortly before they underwent curative resection for HCC. The recurrence time was correlated with the TPS level and with other prognostic factors using the log-rank test in univariate analysis and a Cox regression in multivariate analysis. Receiver operating characteristic analysis was performed to examine the power of the various prognostic factors to distinguish between patients with recurrent tumors and patients who were disease free. RESULTS Patients who had higher levels of TPS (>or= 150 U/L) had earlier recurrences compared with patients who had lower levels of TPS (< 150 U/L; P = 0.016) in univariate analysis. Tumor size, the number of tumors, portal vein invasion, and the resection margins also were associated significantly with the time to tumor recurrence (P = 0.015, P = 0.004, P = 0.003, and P = 0.003, respectively). Serum alpha-fetoprotein was not a significant risk factor for tumor recurrence. In multivariate analysis, the TPS level, tumor size, and resection margins were independent prognostic factors (P = 0.025, P = 0.018, and P = 0.016, respectively). The inclusion of TPS in addition to tumor size and resection margins increased the rate of corrective prediction from 0.72 to 0.80. CONCLUSIONS The current study demonstrated that the preoperative serum TPS level was a significant factor in predicting early recurrence of HCC after curative resection. Patients with high serum TPS levels warrant more aggressive treatment and close follow-up after they undergo tumor resection.
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Affiliation(s)
- Wei-Jen Yao
- Department of Nuclear Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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Engarås B, Kewenter J, Nilsson O, Wedel H, Hafström L. CEA, CA 50 and CA 242 in patients surviving colorectal cancer without recurrent disease. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2001; 27:43-8. [PMID: 11237491 DOI: 10.1053/ejso.2000.1027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
AIMS To establish a baseline and intraindividual fluctuations of the tumour markers CEA, CA 50 and CA 242 in patients cured from colorectal cancer, and to test the hypothesis that serum concentrations and intraindividual fluctuations do not differ from the concentrations in cancer-free individuals. PATIENTS AND METHODS Ninety patients with colorectal cancer, who had undergone surgery with curative intent, were still alive at least 5 years after surgery with no signs of recurrent disease. Serum levels of tumour markers CEA, CA 50 and CA 242 before and up to 2 years after surgery were analysed after the prospective study was terminated. RESULTS The pre-operative serum levels of CEA, CA 50 and CEA 242 were elevated in 36%, 16% and 20% of the patients. They were lowered after curative surgery. A small increase of CEA levels was found after the initial post-operative decrease. The intraindividual fluctuations for CA 50 and CA 242 did not exceed 15% but in 24% of the patients the serum levels of CA 50 were high and oscillating. The patients cured from Dukes >> C cancer had higher serum concentrations of CEA than patients who had a Dukes >> B cancer, which were higher than in patients who had Dukes >> A cancer. Concentrations of CA 242 were higher in patients cured from Dukes >> A than patients cured from Dukes>> B or C cancers. CONCLUSIONS During the first 2 years after curative surgery for colorectal cancer the serum levels of CEA did not differ from those levels in normal cancer-free subjects. The serum levels of CEA were related to Dukes >> staging whereas the levels of CA 242 were inversely related to Dukes >> staging.
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Affiliation(s)
- B Engarås
- Department of Surgery, Sahlgrenska University Hospital, SE-413 45 Göteborg, Sweden
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35
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Lundin M, Nordling S, Lundin J, Alfthan H, Stenman UH, Haglund C. Tissue expression of human chorionic gonadotropin beta predicts outcome in colorectal cancer: a comparison with serum expression. Int J Cancer 2001; 95:18-22. [PMID: 11241305 DOI: 10.1002/1097-0215(20010120)95:1<18::aid-ijc1003>3.0.co;2-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Production of the glycoprotein hormone human chorionic gonadotropin beta (hCGbeta) has been associated with more aggressive behavior in non-trophoblastic tumors. In this study, the prognostic value of immunohistochemical hCGbeta expression was evaluated in 239 patients with colorectal cancer. Paraffin-embedded, formalin-fixed specimens were stained with hCGbeta-specific monoclonal antibody, and the results were compared with serum levels determined with an assay based on the same antibody. hCGbeta immunoreactivity was seen in 52 of 239 tumors (22%). The difference in survival time between patients with histologically hCGbeta-negative (median survival 94 months) and -positive (median survival 27 months) tumors was statistically significant (p = 0.014). The risk ratio during follow-up for patients with positive hCGbeta tissue expression was 1.65 (95% CI 1.11-2.46). In a Cox multivariate analysis, Dukes' stage, hCGbeta and age remained independent prognostic factors. There was moderate agreement between immunohistochemical and serum expression levels of hCGbeta (kappa = 0.30). Using a combination of histological and serum levels of hCGbeta, the difference between survival rates was highly significant (p < 0.001). The accuracy when predicting 5-year survival status with the combined results of serum and tissue expression was 1.3% higher compared to hCGbeta tissue expression alone. Our results show that hCGbeta expression in both tumor tissue and serum has prognostic significance independent of other clinicopathological variables. Positive tumor staining does not always occur together with elevated serum levels, and the prognostic accuracy can slightly be increased by combining the results.
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Affiliation(s)
- M Lundin
- Department of Surgery, University of Helsinki, Helsinki, Finland
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36
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Tempfer C, Hefler L, Heinzl H, Loesch A, Gitsch G, Rumpold H, Kainz C. CYFRA 21-1 serum levels in women with adnexal masses and inflammatory diseases. Br J Cancer 1998; 78:1108-12. [PMID: 9792159 PMCID: PMC2063147 DOI: 10.1038/bjc.1998.636] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The aim of the present study was to evaluate the clinical usefulness of the cytokeratin marker CYFRA 21-1 as a screening marker for ovarian cancer, as a predictive marker in patients with adnexal masses and as a prognostic marker in women suffering from ovarian cancer. In order to determine the specificity of the CYFRA 21-1 test, we have investigated CYFRA 21-1 serum levels in several benign conditions. This retrospective study comprises 37 patients suffering from ovarian cancer FIGO stages Ia-III. Sera from patients with benign ovarian cysts, endometriosis, pelvic inflammatory disease, inflammatory bowel disease and liver cirrhosis were evaluated in 90, 10, 38, 10 and 20 cases respectively. With a sensitivity of 41% and a specificity of 95%, CYFRA 21-1 was not suitable as a screening marker for ovarian cancer. Although CYFRA 21-1 was able to discriminate between ovarian cancer and benign adnexal tumours (univariate regression model, P = 0.0001), CYFRA 21-1 did not reveal additional information to CA 125 in a multivariate regression analysis (P = 0.06). CYFRA 21-1 serum levels were elevated in benign conditions such as liver cirrhosis, but not in endometriosis and inflammatory diseases. In ovarian cancer patients, elevated CYFRA 21-1 serum levels before therapy were associated with a poor overall and disease-free survival (log-rank test, P = 0.02 and log-rank test, P = 0.005 respectively). CYFRA 21-1, while obviously not suitable for screening or differential diagnosis of adnexal masses, could be useful as an additional prognostic factor in ovarian cancer patients.
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Affiliation(s)
- C Tempfer
- Department of Gynaecology and Obstetrics, University of Vienna Medical School, Austria
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Crawford RA, Iles RK, Carter PG, Caldwell CJ, Shepherd JH, Chard T. The prognostic significance of beta human chorionic gonadotrophin and its metabolites in women with cervical carcinoma. J Clin Pathol 1998; 51:685-8. [PMID: 9930074 PMCID: PMC500907 DOI: 10.1136/jcp.51.9.685] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AIMS To examine long term survival of women with primary and recurrent cervical carcinoma in relation to (1) excretion of beta-core (a urinary metabolite of beta human chorionic gonadotrophin (beta hCG)) and (2) beta hCG immunostaining of the tumours, to determine the suitability of these markers for assessing prognosis. METHODS This was a prospective observational study undertaken in a gynaecological oncology centre: 57 women with primary cervical cancer and 42 with recurrent disease were recruited between January 1990 and September 1992. Kaplan-Meier survival analysis with the log rank test was used to assess survival differences with survival rate given per year of follow up. RESULTS In primary disease, the four year survival for the beta-core negative group was 79%, compared with 14% for the beta-core positive group (p = 0.001). This was still significant for early stage disease or squamous lesions alone. In recurrent disease, beta-core positivity was not prognostically significant. Immunohistochemistry was of no prognostic significance in either group. CONCLUSIONS beta-core excretion appears to be useful in assessing prognosis of primary cervical cancer but not of recurrent disease. A large prospective study of urinary beta-core in early stage cervical cancer is needed to determine whether it can be used as an index for modifying treatment.
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Affiliation(s)
- R A Crawford
- Department of Gynaecology, St Bartholomew's Hospital, West Smithfield, London, UK
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Hefler L, Tempfer C, Heinzl H, Haeusler G, Steindl P, Schneeberger C, Gitsch G, Kainz C. M3/M21 serum levels in women with adnexal masses and inflammatory diseases. Int J Cancer 1998; 79:434-8. [PMID: 9699539 DOI: 10.1002/(sici)1097-0215(19980821)79:4<434::aid-ijc21>3.0.co;2-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The aim of the present study was to evaluate the clinical usefulness of the cytokeratin tumor marker M3/M21 as a screening marker for ovarian cancer, as a predictive marker in patients with adnexal masses and as a prognostic factor in women with ovarian cancer. To determine the specificity of the M3/M21 test, we investigated M3/M21 serum levels in several benign conditions. This retrospective study comprises 37 patients with ovarian cancer FIGO stages Ia to III. Sera of patients with benign cysts, endometriosis, pelvic inflammatory disease, inflammatory bowel disease and liver cirrhosis were evaluated in 90, 10, 38, 10 and 20 cases, respectively. With a sensitivity of 57% and a specificity of 95%, M3/M21 is not suitable as a screening marker for ovarian cancer. Although M3/M21 is able to discriminate between ovarian cancer and benign adnexal tumors (univariate logistic regression, p = 0.0003), M3/M21 does not provide information additional to CA 125. M3/M21 serum levels are elevated in several benign conditions such as liver cirrhosis and inflammatory bowel disease. In ovarian cancer patients, elevated M3/M21 serum levels prior to therapy were associated with poor overall and disease-free survival (log-rank test, p = 0.03; log-rank test, p = 0.01, respectively). M3/M21, while obviously not suitable for screening or differential diagnosis of adnexal masses, could be useful as an additional prognostic factor in ovarian cancer patients.
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Affiliation(s)
- L Hefler
- Department of Gynaecology and Obstetrics, University of Vienna Medical School, Austria.
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