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Li SY, Yoshida Y, Kobayashi E, Adachi A, Hirono S, Matsutani T, Mine S, Machida T, Ohno M, Nishi E, Maezawa Y, Takemoto M, Yokote K, Kitamura K, Sumazaki M, Ito M, Shimada H, Takizawa H, Kashiwado K, Tomiyoshi G, Shinmen N, Nakamura R, Kuroda H, Zhang XM, Wang H, Goto K, Iwadate Y, Hiwasa T. Association between serum anti‑ASXL2 antibody levels and acute ischemic stroke, acute myocardial infarction, diabetes mellitus, chronic kidney disease and digestive organ cancer, and their possible association with atherosclerosis and hypertension. Int J Mol Med 2020; 46:1274-1288. [PMID: 32945427 PMCID: PMC7447314 DOI: 10.3892/ijmm.2020.4690] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 06/29/2020] [Indexed: 11/09/2022] Open
Abstract
The aim of the present study was to identify novel antibody markers for the early diagnosis of atherosclerosis in order to improve the prognosis of patients at risk for acute ischemic stroke (AIS) and acute myocardial infarction (AMI). A first screening involved the serological identification of antigens by recombinant cDNA expression cloning and identified additional sex combs-like 2 (ASXL2) as a target antigen recognized by serum IgG antibodies in the sera of patients with atherosclerosis. Antigens, including the recombinant glutathione S-transferasefused ASXL2 protein and its synthetic peptide were then prepared to examine serum antibody levels. Amplified luminescence proximity homoge-neous assay-linked immunosorbent assay, which incorporates glutathione-donor beads and anti-human-IgG-acceptor beads, revealed significantly higher serum antibody levels against the ASXL2 protein and its peptide in the patients with AIS, diabetes mellitus, AMI, chronic kidney disease, esophageal squamous cell carcinoma, or colorectal carcinoma compared with those in healthy donors. The ASXL2 antibody levels were well associated with hypertension complication, but not with sex, body mass index, habitual smoking, or alcohol intake. These results suggest that the serum ASXL2 antibody marker can discriminate between hypertension-induced atherosclerotic AIS and AMI, as well as a number of digestive organ cancers.
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Affiliation(s)
- Shu-Yang Li
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Yoichi Yoshida
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Eiichi Kobayashi
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Akihiko Adachi
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Seiichiro Hirono
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Tomoo Matsutani
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Seiichiro Mine
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Toshio Machida
- Department of Neurological Surgery, Chiba Cerebral and Cardiovascular Center, Chiba 290‑0512, Japan
| | - Mikiko Ohno
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606‑8507, Japan
| | - Eiichiro Nishi
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606‑8507, Japan
| | - Yoshiro Maezawa
- Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Minoru Takemoto
- Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Koutaro Yokote
- Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Kenichiro Kitamura
- Department of Internal Medicine 3, University of Yamanashi School of Medicine, Yamanashi 409‑3898, Japan
| | - Makoto Sumazaki
- Department of Gastroenterological Surgery and Clinical Oncology, Toho University Graduate School of Medicine, Tokyo 143‑8541, Japan
| | - Masaaki Ito
- Department of Gastroenterological Surgery and Clinical Oncology, Toho University Graduate School of Medicine, Tokyo 143‑8541, Japan
| | - Hideaki Shimada
- Department of Gastroenterological Surgery and Clinical Oncology, Toho University Graduate School of Medicine, Tokyo 143‑8541, Japan
| | - Hirotaka Takizawa
- Port Square Kashiwado Clinic, Kashiwado Memorial Foundation, Chiba 260‑0025, Japan
| | - Koichi Kashiwado
- Department of Neurology, Kashiwado Hospital, Chiba 260‑8656, Japan
| | - Go Tomiyoshi
- Department of Biochemistry and Genetics, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Natsuko Shinmen
- Department of Biochemistry and Genetics, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Rika Nakamura
- Department of Biochemistry and Genetics, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Hideyuki Kuroda
- Medical Project Division, Research Development Center, Fujikura Kasei Co., Saitama 340‑0203, Japan
| | - Xiao-Meng Zhang
- Department of Biochemistry and Genetics, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Hao Wang
- Department of Biochemistry and Genetics, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Kenichiro Goto
- Department of Biochemistry and Genetics, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Yasuo Iwadate
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
| | - Takaki Hiwasa
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
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Chu LY, Peng YH, Weng XF, Xie JJ, Xu YW. Blood-based biomarkers for early detection of esophageal squamous cell carcinoma. World J Gastroenterol 2020; 26:1708-1725. [PMID: 32351288 PMCID: PMC7183865 DOI: 10.3748/wjg.v26.i15.1708] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 03/13/2020] [Accepted: 03/19/2020] [Indexed: 02/06/2023] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is a common malignant tumor of the digestive system worldwide, especially in China. Due to the lack of effective early detection methods, ESCC patients often present at an advanced stage at the time of diagnosis, which seriously affects the prognosis of patients. At present, early detection of ESCC mainly depends on invasive and expensive endoscopy and histopathological biopsy. Therefore, there is an unmet need for a non-invasive method to detect ESCC in the early stages. With the emergence of a large class of non-invasive diagnostic tools, serum tumor markers have attracted much attention because of their potential for detection of early tumors. Therefore, the identification of serum tumor markers for early detection of ESCC is undoubtedly one of the most effective ways to achieve early diagnosis and treatment of ESCC. This article reviews the recent advances in the discovery of blood-based ESCC biomarkers, and discusses the origins, clinical applications, and technical challenges of clinical validation of various types of biomarkers.
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Affiliation(s)
- Ling-Yu Chu
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yu-Hui Peng
- Department of Clinical Laboratory Medicine, the Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Precision Medicine Research Center, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Xue-Fen Weng
- Department of Clinical Laboratory Medicine, the Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Precision Medicine Research Center, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Jian-Jun Xie
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Precision Medicine Research Center, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yi-Wei Xu
- Department of Clinical Laboratory Medicine, the Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Precision Medicine Research Center, Shantou University Medical College, Shantou 515041, Guangdong Province, China
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Xu YW, Peng YH, Xu LY, Xie JJ, Li EM. Autoantibodies: Potential clinical applications in early detection of esophageal squamous cell carcinoma and esophagogastric junction adenocarcinoma. World J Gastroenterol 2019; 25:5049-5068. [PMID: 31558856 PMCID: PMC6747294 DOI: 10.3748/wjg.v25.i34.5049] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 07/28/2019] [Accepted: 08/19/2019] [Indexed: 02/06/2023] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) and esophagogastric junction adenocarcinoma (EGJA) are the two main types of gastrointestinal cancers that pose a huge threat to human health. ESCC remains one of the most common malignant diseases around the world. In contrast to the decreasing prevalence of ESCC, the incidence of EGJA is rising rapidly. Early detection represents one of the most promising ways to improve the prognosis and reduce the mortality of these cancers. Current approaches for early diagnosis mainly depend on invasive and costly endoscopy. Non-invasive biomarkers are in great need to facilitate earlier detection for better clinical management of patients. Tumor-associated autoantibodies can be detected at an early stage before manifestations of clinical signs of tumorigenesis, making them promising biomarkers for early detection and monitoring of ESCC and EGJA. In this review, we summarize recent insights into the iden-tification and validation of tumor-associated autoantibodies for the early detection of ESCC and EGJA and discuss the challenges remaining for clinical validation.
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Affiliation(s)
- Yi-Wei Xu
- Department of Clinical Laboratory Medicine, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yu-Hui Peng
- Department of Clinical Laboratory Medicine, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Li-Yan Xu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Jian-Jun Xie
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - En-Min Li
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
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Kumamoto K, Ishida H, Kuwabara K, Amano K, Chika N, Okada N, Ohsawa T, Kumagai Y, Ishibashi K. Clinical significance of serum anti-p53 antibody expression following curative surgery for colorectal cancer. Mol Clin Oncol 2017; 7:595-600. [PMID: 28855992 DOI: 10.3892/mco.2017.1368] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 08/03/2017] [Indexed: 11/05/2022] Open
Abstract
The aim of the present study was to investigate the usefulness of serum anti-p53 antibody (Ap53Ab) measurement for the diagnosis of colorectal cancer (CRC), and the clinical significance of the association between Ap53Ab expression and survival rate. Ap53Ab, carcinoembryonic antigen (CEA) and carbohydrate antigen (CA)19-9 were measured by ELISA in 674 CRC patients and 115 healthy volunteers (control group). The half-life time of Ap53Ab and CEA was calculated. The association between positive Ap53Ab expression and clinicopathological characteristics, including survival rate, was analyzed. Of the 674 CRC patients, 195 (28.9%) were positive for Ap53Ab expression, while the positive rates of CEA and CA19-9 level were 39.9 and 16.9%, respectively. Positivity for Ap53Ab alone was observed in 94 patients (13.9%), whereas the positivity rate of any markers examined was 58.7%. The mean half-life of Ap53Ab and CEA was 30.7 and 11.3 days, respectively. Positive expression of Ap53Ab was significantly associated with the depth of tumor invasion (P<0.001), lymph node metastasis (P=0.024), stage (P<0.001) and CEA level (P=0.005). No significant correlation between Ap53Ab expression and poor survival rate was observed. The positive rate of Ap53Ab was higher compared with that of CEA and CA19-9 in early-stage CRC. The combination of these markers improved the diagnostic yield of CRC up to ~60%. Furthermore, Ap53Ab expression was associated with lymph node metastasis, but not with shorter survival. These results indicated that the measurement of Ap53Ab may contribute to increased rate of detection of CRC, particularly in patients with early-stage disease, in clinical practice.
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Affiliation(s)
- Kensuke Kumamoto
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan.,Department of Coloproctology, Aizu Medical Center, Fukushima Medical University, Aizuwakamatsu, Fukushima 969-3492, Japan
| | - Hideyuki Ishida
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
| | - Koki Kuwabara
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
| | - Kunihiko Amano
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
| | - Noriyasu Chika
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
| | - Norimichi Okada
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
| | - Tomonori Ohsawa
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
| | - Youichi Kumagai
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
| | - Keiichiro Ishibashi
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama 350-8550, Japan
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Zhang H, Xia J, Wang K, Zhang J. Serum autoantibodies in the early detection of esophageal cancer: a systematic review. Tumour Biol 2014; 36:95-109. [PMID: 25433500 DOI: 10.1007/s13277-014-2878-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 11/18/2014] [Indexed: 01/16/2023] Open
Abstract
Antibodies against tumor-associated antigens (TAAs) have been found in serum of patients with various types of cancers and may serve as biomarkers for early detection of esophageal cancer as well. This systematic review aims to give an overview about known autoantibodies and their diagnostic value in esophageal cancer. We conducted a systematic literature search in two databases to identify studies which performed serological testing for autoantibodies in esophageal cancer patients and controls. Data on study characteristics and results were extracted independently by two reviewers. Overall, 45 articles reporting the detection of 35 different autoantibodies met the inclusion criteria of this review. The most common antibody detection method was enzyme-linked immunosorbent assay (ELISA), and the most frequently assessed autoantibody was anti-p53, which was tested in 17 studies and for 15 studies of which a meta-analysis was conducted to comprehensively evaluate the diagnostic value. Most antibodies were assessed in only one study, and only few authors have evaluated the diagnostic value of combinations of multiple autoantibodies. For single autoantibodies, specificity was generally very high (median 98.3 %), but sensitivity was mostly rather low (median 26.7 %). For some autoantibody combinations, substantially higher sensitivity at reasonably high levels of specificity could be achieved. Development of extended and optimized multimarker panels of autoantibodies might be a promising approach for esophageal cancer early detection.
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Affiliation(s)
- Hongfei Zhang
- College of Public Health, Zhengzhou University, No. 100 Kexue Avenue, Zhengzhou, 450001, China
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Serum p53 Antibody Is Not Associated with p53 Immunoreactivity in Patients with Pancreatobiliary Cancers. JOURNAL OF ONCOLOGY 2013; 2013:170625. [PMID: 24454372 PMCID: PMC3880693 DOI: 10.1155/2013/170625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 11/18/2013] [Indexed: 01/10/2023]
Abstract
Background. Recent diagnostic imaging tests contribute to improving the diagnosis of pancreatobiliary cancers. However, it is not practical to perform these tests for all patients as screening. Thus, less-invasive and simple screening tests are still required. A method to detect the IgG antibody induced in serum against the p53 protein accumulating due to p53 gene mutation, as a biomarker, was developed around 1990. Method. 35 patients with pancreatic cancer, 12 patients with biliary tract cancer, and 31 patients with benign pancreatobiliary diseases were entered into this study. Measurement of serum anti-p53 antibody was conducted in all patients. In addition, the rate of p53 protein overexpression was examined in those cases that could be examined pathologically. Result. Among all patients in the pancreatic cancer and biliary tract cancer groups, there was no patient with serum anti-p53 antibody positive value that exceeded the standard value. The rate of p53 protein overexpression was 48.0% in the patients with pancreatobiliary cancers and 0% in the benign pancreatobiliary diseases group. Conclusion. Serum anti-p53 antibody measurement does not contribute to the diagnosis of pancreatobiliary cancers. Instead, traditional p53 immunostaining still appears to be valuable in combination with standard procedures.
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Kagaya A, Shimada H, Shiratori T, Kuboshima M, Nakashima-Fujita K, Yasuraoka M, Nishimori T, Kurei S, Hachiya T, Murakami A, Tamura Y, Nomura F, Ochiai T, Matsubara H, Takiguchi M, Hiwasa T. Identification of a novel SEREX antigen family, ECSA, in esophageal squamous cell carcinoma. Proteome Sci 2011; 9:31. [PMID: 21696638 PMCID: PMC3135497 DOI: 10.1186/1477-5956-9-31] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2010] [Accepted: 06/23/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Diagnosis of esophageal squamous cell carcinoma (SCC) may improve with early diagnosis. Currently it is difficult to diagnose SCC in the early stage because there is a limited number of tumor markers available. RESULTS Fifty-two esophageal SCC SEREX antigens were identified by SEREX (serological identification of antigens by recombinant cDNA expression cloning) using a cDNA phage library and sera of patients with esophageal SCC. Sequence analysis revealed that three of these antigens were similar in amino acid sequences, and they were designated as ECSA (esophageal carcinoma SEREX antigen)-1, -2 and -3. The ECSA family was also similar to an EST clone, hepatocellular carcinoma-associated antigen 25a (HCA25a). Serum antibody levels to ECSA-1, -2 and -3 were significantly higher in patients with esophageal SCC than in healthy donors. Based on the conserved amino acid sequences, three peptides were synthesized and used for enzyme-linked immunosorbent assays (ELISA). The serum antibody levels against one of these peptides were significantly higher in patients with esophageal SCC. This peptide sequence was also conserved in FAM119A, GOSR1 and BBS5, suggesting that these are also ECSA family members. Reverse transcription followed by quantitative PCR analysis showed that the mRNA expression levels of ECSA-1, -2 and -3 and FAM119A but not of HCA25a, GOSR1 and BBS5 were frequently elevated in esophageal SCC tissues. CONCLUSIONS We have identified a new gene family designated ECSA. Serum antibodies against the conserved domain of the ECSA family may be a promising tumor marker for esophageal SCC.
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Affiliation(s)
- Akiko Kagaya
- Department of Biochemistry and Genetics, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan.,Department of Frontier Surgery, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Hideaki Shimada
- Department of Surgery, School of Medicine, Toho University, Ota-ku, Tokyo 143-8541, Japan
| | - Tooru Shiratori
- Department of Frontier Surgery, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Mari Kuboshima
- Department of Biochemistry and Genetics, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan.,Department of Frontier Surgery, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Kazue Nakashima-Fujita
- Department of Biochemistry and Genetics, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan.,Department of Frontier Surgery, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Mari Yasuraoka
- Department of Biochemistry and Genetics, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Takanori Nishimori
- Department of Frontier Surgery, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Shunsuke Kurei
- Department of Surgery, School of Medicine, Toho University, Ota-ku, Tokyo 143-8541, Japan
| | - Takahisa Hachiya
- Product Development Department, Medical & Biological Laboratories Co., Ltd., Ina, Nagano 396-0002, Japan
| | - Akihiro Murakami
- Product Development Department, Medical & Biological Laboratories Co., Ltd., Ina, Nagano 396-0002, Japan
| | - Yutaka Tamura
- Department of Bioinfomatics, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Fumio Nomura
- Department of Molecular Diagnosis, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Takenori Ochiai
- Gastroenterological Center, San-Ai Memorial Hospital, Chuo-ku, Chiba 260-0806, Japan
| | - Hisahiro Matsubara
- Department of Frontier Surgery, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Masaki Takiguchi
- Department of Biochemistry and Genetics, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
| | - Takaki Hiwasa
- Department of Biochemistry and Genetics, Chiba University, Graduate School of Medicine, Chuo-ku, Chiba 260-8670, Japan
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Shimada H, Shiratori T, Yasuraoka M, Kagaya A, Kuboshima M, Nomura F, Takiguchi M, Ochiai T, Matsubara H, Hiwasa T. Identification of Makorin 1 as a novel SEREX antigen of esophageal squamous cell carcinoma. BMC Cancer 2009; 9:232. [PMID: 19604354 PMCID: PMC2722670 DOI: 10.1186/1471-2407-9-232] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2008] [Accepted: 07/15/2009] [Indexed: 11/21/2022] Open
Abstract
Background Esophageal squamous cell carcinoma (SCC) represents one of the most malignant tumors. To improve the poor prognosis, it is necessary to diagnose esophageal SCC at early stages using new tumor markers. SEREX (serological identification of antigens by recombinant cDNA expression cloning) is suitable for large-scale screening of tumor antigens and has been applied for various types of human tumors. Methods Tumor markers of esophageal squamous cell carcinoma (SCC) were screened by SEREX method. The presence of serum anti-makorin 1 (MKRN1) antibodies (s-MKRN1-Abs) was examined by Western blotting using bacterially expressed MKRN1 protein. The expression levels of MKRN1 mRNA in tissues were examined by RT-PCR. The biological activity of MKRN1 was examined by transfection of ras-NIH3T3 mouse fibroblasts with MKRN1 cDNA. Major ubiquitinated proteins in MKRN1-transfected cells were identified by immunoprecipitation with anti-ubiquitin antibody followed by mass spectrometry. Results MKRN1 was identified as a novel SEREX antigen of esophageal SCC. Although a total of 18 (25%) of 73 patients with esophageal SCC had s-MKRN1-Abs, none of the 43 healthy donors had a detectable level of s-MKRN1-Abs. There was no correlation between the presence of s-MKRN1-Abs and clinicopathological variables other than histological grading. Well-differentiated tumors were associated significantly with the presence of s-MKRN1-Abs in the patients. The mRNA levels of MKRN1 were frequently higher in esophageal SCC tissues than in the peripheral normal esophageal mucosa. Stable transfection of ras-NIH3T3 cells with MKRN1 cDNA induced prominent morphological changes such as enlargement of the cell body and spreading. Ubiquitination of 80- and 82-kDa proteins were clearly observed in MKRN1-transfected cells but not in the parental cells, which were identified as L-FILIP (filamin A interacting protein 1). Conclusion MKRN1 is a novel SEREX antigen of esophageal SCC, and s-NKRN1-Abs can be a candidate of diagnostic markers of esophageal SCC with high specificity. It is plausible that MKRN1 is involved in carcinogenesis of the well-differentiated type of tumors possibly via ubiquitination of L-FILIP.
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Affiliation(s)
- Hideaki Shimada
- Department of Biochemistry and Genetics, Chiba University, Graduate School of Medicine, Chiba, Japan.
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