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Zhao B, Zhao B, Chen F. Diagnostic value of serum carbohydrate antigen 19-9 in pancreatic cancer: a systematic review and meta-analysis. Eur J Gastroenterol Hepatol 2022; 34:891-904. [PMID: 35913776 DOI: 10.1097/meg.0000000000002415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Carbohydrate antigen 19-9 (CA19-9) is the most widely used serum biomarker for detecting pancreatic cancer (PC). Since early diagnosis is important for improving PC prognosis, a comprehensive understanding of the diagnostic performance of CA19-9 is critical. This study focused on comprehensive evaluation of the efficacy of CA19-9 in PC diagnosis. Literature research was based on the seven databases. Studies released from January 2002 to January 2022 focused on the efficacy of CA19-9 in the detection of PC were included. Summarized sensitivity, specificity, and sROC/accuracy of discrimination (AUC) were estimated. Potential publication bias was measured with Funnel plot and Egger's test. Meta-regression was performed to detect possible causes of heterogeneity. Subgroup analysis was used to assess the diagnostic efficacy of CA19-9 under different conditions. The study is registered on PROSPERO (CRD42021253861). Seventy-nine studies containing 20 991 participants who met the criteria were included. The pooled sensitivity, specificity, and AUC of CA19-9 in diagnose PC were 72% (95% CI, 71-73%), 86% (95% CI, 85-86%), and 0.8474 (95% CI, 0.8272-0.8676). Subgroup analysis suggested that the diagnostic efficiency of CA19-9 in studies with healthy controls was the highest, followed by intraductal papillary mucinous neoplasm, in pancreatitis and diabetes were consistent with the overall result. Our analysis showed that serum CA19-9 had high and stable diagnostic efficacy for PC (not affected by diabetes). Subgroup analysis showed that serum CA19-9 yielded highest effectiveness in the diagnosis of pancreatic precancerous lesions, which indicated an irreplaceable clinical value in the early detection and warning value for PC.
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Affiliation(s)
- Boqiang Zhao
- Xi'an Jiaotong University Health Science Center, Xi'an, China
- The First School of Clinical Medicine, Xi'an, China
| | - Boyue Zhao
- Xi'an Jiaotong University Health Science Center, Xi'an, China
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an, China
| | - Fangyao Chen
- Xi'an Jiaotong University Health Science Center, Xi'an, China
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an, China
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Higashi K, Maeda K, Miyata K, Yoshimura S, Yamada K, Konno D, Tachibana T, Saito K. Carbohydrate 3′-sialyllactose as a novel target for theranostics in pancreatic ductal adenocarcinoma. Tumour Biol 2020. [DOI: 10.1177/1010428320965279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We previously demonstrated that the carbohydrate 3′-sialyllactose is overexpressed in cancer stem-like cells such as metastatic pancreatic and poorly differentiated gastric cancer cells, and undifferentiated human embryonic stem cells. In this study, we investigated the possibility of 3′-sialyllactose as a target for theranostics in cancers using a recombinant mouse monoclonal antibody r3B1E2 that binds to 3′-sialyllactose. Immunohistochemistry analysis confirmed an elevated expression of 3′-sialyllactose in tumors of pancreas, stomach, and testis, while no expression of 3′-sialyllactose was observed in corresponding normal controls. In addition, a stage-independent expression of 3′-sialyllactose was observed, especially in pancreatic ductal adenocarcinoma (PDAC). The level of serum 3′-sialyllactose in PDAC subjects was significantly higher than that in healthy controls, providing excellent AUC of 0.88. We next explored the therapeutic potential of r3B1E2 for PDAC in vitro. Treatment of r3B1E2 with 3′-sialyllactose-bearing human PDAC cells exhibited a complement-dependent cytotoxicity, whereas no significant activity of r3B1E2 against 3′-sialyllactose-negative cells was observed. Collectively, these findings raise the possibility of 3′-sialyllactose as a novel target for theranostics in PDAC.
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Affiliation(s)
- Kiyoshi Higashi
- Advanced Materials Development Laboratory, Sumitomo Chemical Co., Ltd., Osaka, Japan
| | - Keiko Maeda
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., Osaka, Japan
| | - Kaori Miyata
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., Osaka, Japan
| | | | - Keita Yamada
- Laboratory of Toxicology, Faculty of Pharmacy, Osaka Ohtani University, Osaka, Japan
| | - Daijiro Konno
- Cell Engineering Corporation, Osaka, Japan
- Division of Pathophysiology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Taro Tachibana
- Cell Engineering Corporation, Osaka, Japan
- Department of Bioengineering, Graduate School of Engineering, Osaka City University, Osaka, Japan
| | - Koichi Saito
- Advanced Materials Development Laboratory, Sumitomo Chemical Co., Ltd., Osaka, Japan
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Yamada K, Suzuki K, Hirohata Y, Kinoshita M. Analysis of Minor Acidic N-Glycans in Human Serum. J Proteome Res 2020; 19:3033-3043. [PMID: 32436713 DOI: 10.1021/acs.jproteome.0c00079] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Prior investigations by our research group focused on the method development for the simultaneous analysis of sulfated and phosphorylated glycans. Herein, the developed method was applied to analyze minor acidic N-glycans including sulfated and phosphorylated N-glycans in human serum. First, 2-aminobenzoic acid-labeled minor acidic N-glycans were enriched from the serum using a serotonin-immobilized column and were then separated into groups using hydrophilic interaction liquid chromatography, and analyzed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Phosphorylated hybrid-type and sulfated bi-antennary N-glycans were detected in the serum. In addition, we observed that multiple types of glucuronidated N-glycans were present. These results indicate that the developed method is applicable to the analysis of glucuronidated as well as sulfated and phosphorylated N-glycans. It was also applied to the sera obtained from 17 healthy subjects and 15 pancreatic cancer patients, and the profiles of sulfated, phosphorylated, and glucuronidated N-glycans were compared. The expressed amount of glucuronidated N-glycans was significantly decreased in some pancreatic cancer patients. Numerous examples of the N-glycan analysis in human serum were reported, but phosphorylated and glucuronidated glycans were not investigated. The methods described herein allow the analysis of minor acidic glycans that are typically difficult to detect.
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Affiliation(s)
- Keita Yamada
- Laboratory of Toxicology, Faculty of Pharmacy, Osaka Ohtani University, 3-11-1 Nishikiori-kita, Tondabayashi, Osaka 584-8540, Japan
| | - Koji Suzuki
- Laboratory of Toxicology, Faculty of Pharmacy, Osaka Ohtani University, 3-11-1 Nishikiori-kita, Tondabayashi, Osaka 584-8540, Japan
| | - Yoshihiko Hirohata
- Laboratory of Toxicology, Faculty of Pharmacy, Osaka Ohtani University, 3-11-1 Nishikiori-kita, Tondabayashi, Osaka 584-8540, Japan
| | - Mitsuhiro Kinoshita
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka 577-8502, Japan
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