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Huang JP, Lin CH, Tseng CW, Chien MH, Lee HC, Yang KD. First-trimester urinary extracellular vesicles as predictors of preterm birth: an insight into immune programming. Front Cell Dev Biol 2024; 11:1330049. [PMID: 38357529 PMCID: PMC10864598 DOI: 10.3389/fcell.2023.1330049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/20/2023] [Indexed: 02/16/2024] Open
Abstract
Background: The programming of innate and adaptive immunity plays a pivotal role in determining the course of pregnancy, leading to either normal term birth (TB) or preterm birth (PB) through the modulation of macrophage (M1/M2) differentiation. Extracellular vesicles (EVs) in maternal blood, harboring a repertoire of physiological and pathological messengers, are integral players in pregnancy outcomes. It is unknown whether urinary EVs (UEVs) could serve as a non-invasive mechanistic biomarker for predicting PB. Methods: This study investigated first-trimester UEVs carrying M1 messengers with altered immune programming, aiming to discern their correlation to subsequent PB. A birth cohort comprising 501 pregnant women, with 40 women experiencing PB matched to 40 women experiencing TB on the same day, was examined. First-trimester UEVs were isolated for the quantification of immune mediators. Additionally, we evaluated the UEV modulation of "trained immunity" on macrophage and lymphocyte differentiations, including mRNA expression profiles, and chromatin activation modification at histone 3 lysine 4 trimethylation (H3K4me3). Results: We found a significant elevation (p < 0.05) in the particles of UEVs bearing characteristic exosome markers (CD9/CD63/CD81/syntenin) during the first trimester of pregnancy compared to non-pregnant samples. Furthermore, UEVs from PB demonstrated significantly heightened levels of MCP-1 (p = 0.003), IL-6 (p = 0.041), IL-17A (p = 0.007), IP-10 (p = 0.036), TNFα (p = 0.004), IL-12 (p = 0.045), and IFNγ (p = 0.030) relative to those from TB, indicative of altered M1 and Th17 differentiation. Notably, MCP-1 (>174 pg/mL) exhibited a sensitivity of 71.9% and specificity of 64.6%, and MCP-1 (>174 pg/mL) and IFNγ (>8.7 pg/mL) provided a higher sensitivity (84.6%) of predicting PB and moderate specificity of 66.7%. Subsequent investigations showed that UEVs from TB exerted a significant suppression of M1 differentiation (iNOS expression) and Th17 differentiation (RORrT expression) compared to those of PB. Conversely, UEVs derived from PB induced a significantly higher expression of chromatin modification at H3K4me3 with higher production of IL-8 and TNFα cytokines (p < 0.001). Implications: This pioneering study provides critical evidence for the early detection of altered M1 and Th17 responses within UEVs as a predictor of PB and early modulation of altered M1 and Th17 polarization associated with better T-cell regulatory differentiation as a potential prevention of subsequent PB.
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Affiliation(s)
- Jian-Pei Huang
- Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
- MacKay Junior College of Medicine, Nursing and Management, New Taipei City, Taiwan
| | - Chia-Hsueh Lin
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chih-Wen Tseng
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
| | - Ming-Hui Chien
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
| | | | - Kuender D. Yang
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Mackay Children’s Hospital, Taipei, Taiwan
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Chao YC, Yang HW, Chang L, Tseng CW, Fang LC, Ho CS, Chi H, Yang KD. Case report: Presentations and cytokine profiles of inflammatory non-pulmonary COVID-19 and related diseases in children. Front Pediatr 2023; 11:1209772. [PMID: 37822323 PMCID: PMC10562533 DOI: 10.3389/fped.2023.1209772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 09/08/2023] [Indexed: 10/13/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has evolved to dynamic waves of different SARS-CoV-2 variants. Initially, children diagnosed with COVID-19 presented pulmonary involvement characterized by mild diseases. In the later waves of the COVID-19 pandemic, life-threatening non-pulmonary inflammatory diseases such as (1) aseptic meningoencephalitis (ME), (2) acute necrotizing encephalopathies (ANE), and (3) multisystem inflammatory syndrome in children (MIS-C) have been reported, affecting the pediatric population. To alert timely identification and prevention of the life-threatening non-pulmonary COVID-19, we present the cases of ME, ANE, and MIS-C in terms of clinical manifestation, cytokine profile, and follow-up consequences. Based on the immunopathogenesis and risk factors associated with non-pulmonary COVID-19, we delineate strategies for an early diagnosis and treatment to reduce morbidity and mortality in children.
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Affiliation(s)
- Yen-Chun Chao
- Division of Cardiology, MacKay Children’s Hospital, Taipei, Taiwan
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, MacKay Medical College, Taipei, Taiwan
| | - Horng-Woei Yang
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Lung Chang
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, MacKay Medical College, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
- Division of Infectious Disease, MacKay Children’s Hospital, Taipei, Taiwan
| | - Chih-Wen Tseng
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Li-Ching Fang
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, MacKay Medical College, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
- Division of Allergy-Immunology-Rheumatology, MacKay Children’s Hospital, Taipei, Taiwan
| | - Che-Sheng Ho
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, MacKay Medical College, Taipei, Taiwan
- Division of Neurology, MacKay Children’s Hospital, Taipei, Taiwan
| | - Hsin Chi
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, MacKay Medical College, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
- Division of Infectious Disease, MacKay Children’s Hospital, Taipei, Taiwan
| | - Kuender D. Yang
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
- Division of Allergy-Immunology-Rheumatology, MacKay Children’s Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Microbiology & Immunology, National Defense Medical Center, Taipei, Taiwan
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Ngo YG, Fu HC, Chu LC, Tseng CW, Chen CY, Lee CY, Ou YC. Specific hysteroscopic findings can efficiently distinguish the differences between malignant and benign endometrial polyps. Taiwan J Obstet Gynecol 2020; 59:85-90. [PMID: 32039807 DOI: 10.1016/j.tjog.2019.11.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2019] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVE To evaluate differences in hysteroscopic findings between benign endometrial polyps and endometrial cancer. MATERIALS AND METHODS From January 2012 to December 2016, we extracted 179 cases with endometrial polyps from 3066 women who underwent hysteroscopy followed by dilatation and curettage or transcervical resection, with 154 and 25 cases of benign and malignant endometrial polyps, respectively. Clinical characteristics, histopathological and hysteroscopic findings of the women were evaluated retrospectively. RESULTS The hysteroscopic findings of malignant polyps were hyper-vascular (72%, 18/25), ulcerative (64%, 16/25) and polyps with irregular surfaces (24%, 6/25). In contrast, pedunculate small growths with smooth surfaces were usually seen in the benign endometrial polyps (38.3%, 59/154). Hyper-vascular (OR: 142.6, 95% CI: 25.98-783.4) and polyps with irregular surfaces (OR: 12.02, 95% CI: 1.765-81.83) in hysteroscopic findings were significant strong predictors of endometrial polyps with endometrial cancer. Hysteroscopic findings of ulcerative changes were most strongly associated with a diagnosis of malignant polyps, with sensitivity, specificity, negative (NPV) and positive (PPV) predictive values of 64.0%, 100%, 94.5%, and 100%, respectively. CONCLUSION Women with hysteroscopic findings of endometrial polyps with hyper-vascular, ulcerative, and polyps with irregular surfaces had a high likelihood of endometrial cancer. A target biopsy of the polyps with these specific appearances should be performed to exclude malignant lesions.
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Affiliation(s)
- Yeh Giin Ngo
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Hung-Chun Fu
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Li-Ching Chu
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chih-Wen Tseng
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chao-Yu Chen
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chung-Yuan Lee
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan; Department of Nursing, Chang Gung University of Science and Technology, Chiayi Campus, Chiayi, Taiwan
| | - Yu-Che Ou
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan; Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
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Chen YM, Hung WT, Liao YW, Hsu CY, Hsieh TY, Chen HH, Hsieh CW, Lin CT, Lai KL, Tang KT, Tseng CW, Huang WN, Chen YH. Combination immunosuppressant therapy and lupus nephritis outcome: a hospital-based study. Lupus 2019; 28:658-666. [PMID: 30971165 DOI: 10.1177/0961203319842663] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Lupus nephritis (LN) is the leading cause of mortality in lupus patients. This study aimed to investigate the treatment outcome and renal histological risk factors of LN in a tertiary referral center. Between 2006 and 2017, a retrospective observational study enrolled 148 biopsy-proven LN patients. After propensity score matching, 75 cases were included for further analysis. The classification and scoring of LN were assessed according to the International Society of Nephrology/Renal Pathology Society. Treatment response was evaluated by daily urine protein and urinalysis at two years after commencing induction treatment and the development of end-stage renal disease (ESRD). In total, 50.7% patients achieved complete remission (CR) or partial remission (PR), while 49.3% patients were categorized as nonresponders. Therapeutic responses in terms of CR/PR rates were associated with Systemic Lupus Erythematosus Disease Activity Index scores (odds ratio (OR): 1.34, 95% confidence interval (CI): 1.12-1.60, p = 0.001). Moreover, higher baseline creatinine levels (hazard ratio (HR): 2.10, 95% CI: 1.29-3.40, p = 0.003), higher renal activity index (HR: 1.30, 95% CI: 1.07-1.58, p = 0.008) and chronicity index (HR: 1.40, 95% CI: 1.06-1.85, p = 0.017) predicted ESRD. Among pathological scores, cellular crescents (HR: 4.42, 95% CI: 1.01-19.38, p = 0.049) and fibrous crescents (HR: 5.93, 95% CI: 1.41-24.92, p = 0.015) were independent risk factors for ESRD. In conclusion, higher lupus activity was a good prognostic marker for renal remission. Renal histology was predictive of ESRD. Large-scale prospective studies are required to verify the efficacy of mycophenolate in combination with azathioprine or cyclosporine in LN patients.
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Affiliation(s)
- Y M Chen
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,2 Department of Medical Research, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei.,4 Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung
| | - W T Hung
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,5 Department of Medical Education, Taichung Veterans General Hospital, Taichung.,6 Institute of Clinical Medicine, National Yang-Ming University, Taipei
| | - Y W Liao
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - C Y Hsu
- 2 Department of Medical Research, Taichung Veterans General Hospital, Taichung
| | - T Y Hsieh
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,5 Department of Medical Education, Taichung Veterans General Hospital, Taichung
| | - H H Chen
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,2 Department of Medical Research, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei.,4 Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung
| | - C W Hsieh
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,5 Department of Medical Education, Taichung Veterans General Hospital, Taichung
| | - C T Lin
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - K L Lai
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - K T Tang
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - C W Tseng
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - W N Huang
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei
| | - Y H Chen
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei
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Chang YY, Tseng CW, Yuan K. Severe Gingival Ulceration and Necrosis Caused by an Antithyroid Drug: One Case Report and Proposed Clinical Approach. Clin Adv Periodontics 2018; 8:11-16. [PMID: 32686361 DOI: 10.1902/cap.2017.170015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 07/05/2017] [Indexed: 11/13/2022]
Abstract
INTRODUCTION Diffuse gingival ulceration and necrosis is one of the major manifestations of neutropenia or agranulocytosis. Acquired neutropenia can be induced by many medications. Severe oral pain might induce a patient to seek the help of a dentist. It is important for dentists to be familiar with drug-induced neutropenia and its associated oral manifestations. CASE PRESENTATION An Asian woman was diagnosed with Graves disease (hyperthyroidism) and was treated with methimazole for about 6 weeks when oral symptoms first occurred. Sore throat, fever, and extensive, painful gingival necrosis were her chief complaints when she visited the emergency department. Methimazole-induced neutropenia was diagnosed based on her blood tests and medical history. Methimazole was replaced with a range of treatments, including injections of broad spectrum antibiotics and granulocyte colony stimulating factor. Superficial debridement and a chlorhexidine plus lidocaine mouthwash were used to control her periodontal microbiota. Within 1 week, blood data of the patient had returned to normal, and the severity of oral symptoms began to diminish. Complete healing of the gingival tissues was noted 8 months after she had been discharged from the hospital. CONCLUSIONS Methimazole induces neutropenia and subsequent gingival ulceration and necrosis in some patients. Early confirmation of the effect of methimazole and early discontinuation of the drug are the first steps to recovery. Reducing bacterial load by chemotherapeutic methods and maintaining acceptable oral hygiene are important to control the disease.
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Affiliation(s)
- Ying-Ying Chang
- Department of Oral Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
| | | | - Kuo Yuan
- Department of Oral Medicine, National Cheng Kung University Hospital, Tainan, Taiwan.,Institute of Oral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Wang TY, Chen CY, Lu CH, Chen MC, Lee LW, Huang TH, Hsieh MC, Chen CJ, Yu CM, Chuang HC, Liao TT, Tseng CW, Huang WS. Cytoreductive surgery with hyperthermic intraperitoneal chemotherapy for peritoneal malignancy: preliminary results of a multi-disciplinary teamwork model in Asia. Int J Hyperthermia 2017; 34:328-335. [PMID: 28562119 DOI: 10.1080/02656736.2017.1337238] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Affiliation(s)
- Ting-Yao Wang
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chao-Yu Chen
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Gynecology and Obstetrics, Chang Gung Memorial Hospital, Chiayi, Taiwan
- Department of Nursing, Chang Gung University of Science and Technology, Taiwan
| | - Chang-Hsien Lu
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
| | - Min-Chi Chen
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan
- Biostatistics Consulting Centre and Department of Public Health, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Li-Wen Lee
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Nursing, Chang Gung University of Science and Technology, Taiwan
- Department of Diagnostic Radiology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Tzu-Hao Huang
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Division of General Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Meng-Chiao Hsieh
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Division of Colorectal Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chih-Jung Chen
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Division of Colorectal Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chung-Ming Yu
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Anesthesia, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Huei-Chieh Chuang
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Pathology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Tzu-Ting Liao
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- Department of Cancer Centre, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chih-Wen Tseng
- Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
| | - Wen-Shih Huang
- Peritoneal Malignancy Program of Cancer Centre, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Division of Colorectal Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
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Tsai CC, Qiu JT, Tseng CW, Hsu YC. Low-dose metronomic chemotherapy with cisplatin enhanced immunity in a murine model of ectopic cervical cancer. Clin Exp Pharmacol Physiol 2016; 43:251-8. [DOI: 10.1111/1440-1681.12515] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 10/22/2015] [Accepted: 10/28/2015] [Indexed: 12/31/2022]
Affiliation(s)
- Ching-Chou Tsai
- Division of Gynaecol Oncology; Department of Obstetrics and Gynaecology; Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Taiwan Taiwan
| | - Jian-Tai Qiu
- Department of Obstetrics and Gynaecology; Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Taiwan Taiwan
| | - Chih-Wen Tseng
- Department of Obstetrics and Gynaecology; Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Chiayi Taiwan
| | - Yi-Chiang Hsu
- Graduate Institute of Medical Science; Chang Jung Christian University; Taiwan Taiwan
- Innovative Research Centre of Medicine; College of Health Sciences; Chang Jung Christian University; Taiwan Taiwan
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Wang CC, Chou HH, Yang LY, Lin H, Liou WS, Tseng CW, Liu FY, Liou JD, Huang KG, Huang HJ, Huang EY, Chen CH, Chang TC, Chang CJ, Hong JH, Lai CH. A randomized trial comparing concurrent chemoradiotherapy with single-agent cisplatin versus cisplatin plus gemcitabine in patients with advanced cervical cancer: An Asian Gynecologic Oncology Group study. Gynecol Oncol 2015; 137:462-7. [PMID: 25827291 DOI: 10.1016/j.ygyno.2015.03.046] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 03/22/2015] [Indexed: 11/16/2022]
Abstract
OBJECTIVE A recent randomized trial demonstrated that concurrent chemoradiotherapy (CCRT) with weekly cisplatin and gemcitabine, followed by two adjuvant cycles of cisplatin and gemcitabine improved survival for advanced cervical cancer patients. An Asian Gynecologic Oncology Group (AGOG) study was designed to determine whether only adding gemcitabine in the chemoradiation phase without adjuvant chemotherapy could improve survival. METHODS Between March 2009 and March 2013, 74 eligible patients with International Federation of Obstetrics and Gynecology stage III/IVA cervical cancer or stage I/II with positive pelvic/para-aortic nodal metastasis were enrolled. Thirty-seven patients were randomized to arm C (weekly cisplatin 40mg/m(2)) and 37 patients were randomized to arm CG (weekly cisplatin 40mg/m(2) and gemcitabine 125mg/m(2)), for six cycles. Six eligible patients were excluded before the beginning of treatment. RESULTS An interim analysis showed superimposable progression-free (PFS) and overall survival (OS), a decision of closing accrual was made. A 3-year PFS was similar in both arms (arm C 65.1% vs. arm CG 71.0%, p=0.71), and a 3-year OS was 74.1% in arm C vs. 85.9% in arm CG (p=0.89), but crossed over at 5years. Grade 2-4 hematological toxicities, including neutropenia (p=0.028) and thrombocytopenia (p=0.001), were more frequent in arm CG than arm C. CONCLUSIONS Despite limitation in power, it suggests that only adding gemcitabine at the CCRT phase does not provide substantially superior results, but treatment toxicities could increase. Further studies are required to determine the role of post-CCRT adjuvant chemotherapy in advanced cervical cancer.
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Affiliation(s)
- Chun-Chieh Wang
- Department of Radiation Oncology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Hung-Hsueh Chou
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Lan-Yan Yang
- Clinical Trial Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Data Management and Biostatistical Core, Asian Gynecologic Oncology Group, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Hao Lin
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Wen-Shiung Liou
- Department of Obstetrics and Gynecology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Chih-Wen Tseng
- Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Chiayi, Taiwan
| | - Feng-Yuan Liu
- Department of Nuclear Medicine, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jui-Der Liou
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Kuan-Gen Huang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Huei-Jean Huang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Eng-Yen Huang
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Chien-Hsun Chen
- Department of Radiation Oncology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Ting-Chang Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chee-Jen Chang
- Data Management and Biostatistical Core, Asian Gynecologic Oncology Group, Taiwan; Research Center of Clinical Informatics and Medical Statistics, Chang Gung University, Taoyuan, Taiwan
| | - Ji-Hong Hong
- Department of Radiation Oncology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
| | - Chyong-Huey Lai
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou and Chang Gung University College of Medicine, Taoyuan, Taiwan; Gynecologic Cancer Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
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Cheng LY, Wang CB, Chu LC, Tseng CW, Kung FT. Outcomes of primary surgical evacuation during the first trimester in different types of implantation in women with cesarean scar pregnancy. Fertil Steril 2014; 102:1085-1090.e2. [DOI: 10.1016/j.fertnstert.2014.07.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Revised: 06/27/2014] [Accepted: 07/01/2014] [Indexed: 11/28/2022]
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Tseng CW, Yeh DJ, Chuang FT, Lee SC, Liu JR. Immobilization ofPiromyces rhizinflataβ-Glucanase on Poly(Dimethylsiloxane) and Si Wafer and Prediction of Optimum Reaction for Enzyme Activity. Prep Biochem Biotechnol 2014; 45:42-55. [DOI: 10.1080/10826068.2014.887579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Tseng CW, Liao CY, Sun Y, Peng CC, Tzen JTC, Guo RT, Liu JR. Immobilization of Clostridium cellulolyticum D-psicose 3-epimerase on artificial oil bodies. J Agric Food Chem 2014; 62:6771-6776. [PMID: 24980476 DOI: 10.1021/jf502022w] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The rare sugar D-psicose possesses several fundamental biological functions. D-Psicose 3-epimerase from Clostridium cellulolyticum (CC-DPEase) has considerable potential for use in D-psicose production. In this study, CC-DPEase was fused to the N terminus of oleosin, a unique structural protein of seed oil bodies and was overexpressed in Escherichia coli as a CC-DPEase-oleosin fusion protein. After reconstitution into artificial oil bodies (AOBs), refolding, purification, and immobilization of the active CC-DPEase were simultaneously accomplished. Immobilization of CC-DPEase on AOB increased the optimal temperature but decreased the optimal pH of the enzyme activity. Furthermore, the AOB-immobilized CC-DPEase had a thermal stability and a bioconversion rate similar to those of the free-form enzyme and retained >50% of its initial activity after five cycles of enzyme use. Thus, AOB-immobilized CC-DPEase has potential application in the production of d-psicose at a lower cost than the free-form enzyme.
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Affiliation(s)
- Chih-Wen Tseng
- Institute of Biotechnology, National Taiwan University , Taipei, Taiwan
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Tseng CW, Ko TP, Guo RT, Huang JW, Wang HC, Huang CH, Cheng YS, Wang AHJ, Liu JR. Substrate binding of a GH5 endoglucanase from the ruminal fungus Piromyces rhizinflata. Acta Crystallogr Sect F Struct Biol Cryst Commun 2011; 67:1189-94. [PMID: 22102024 PMCID: PMC3212359 DOI: 10.1107/s1744309111032428] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2011] [Accepted: 08/10/2011] [Indexed: 11/11/2022]
Abstract
The endoglucanase EglA from Piromyces rhizinflata found in cattle stomach belongs to the GH5 family of glycoside hydrolases. The crystal structure of the catalytic domain of EglA shows the (β/α)(8)-barrel fold typical of GH5 enzymes. Adjacent to the active site of EglA, a loop containing a disulfide bond not found in other similar structures may participate in substrate binding. Because the active site was blocked by the N-terminal His tag of a neighbouring protein molecule in the crystal, enzyme-substrate complexes could not be obtained by soaking but were prepared by cocrystallization. The E154A mutant structure with a cellotriose bound to the -3, -2 and -1 subsites shows an extensive hydrogen-bonding network between the enzyme and the substrate, along with a stacking interaction between Trp44 and the -3 sugar. A possible dimer was observed in the crystal structure, but retention of activity in the E242A mutant suggested that the enzyme probably does not function as a dimer in solution. On the other hand, the first 100 amino acids encoded by the original cDNA fragment are very similar to those in the last third of the (β/α)(8)-barrel fold, indicating that EglA comprises at least two catalytic domains acting in tandem.
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Affiliation(s)
- Chih-Wen Tseng
- Institute of Biotechnology, National Taiwan University, Taipei 10617, Taiwan
| | - Tzu-Ping Ko
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Rey-Ting Guo
- Industrial Enzymes National Engineering Laboratory, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, People’s Republic of China
| | - Jian-Wen Huang
- Institute of Biotechnology, National Taiwan University, Taipei 10617, Taiwan
| | - Hao-Ching Wang
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Chun-Hsiang Huang
- Industrial Enzymes National Engineering Laboratory, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, People’s Republic of China
| | - Ya-Shan Cheng
- Institute of Biotechnology, National Taiwan University, Taipei 10617, Taiwan
| | - Andrew H.-J. Wang
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Je-Ruei Liu
- Institute of Biotechnology, National Taiwan University, Taipei 10617, Taiwan
- Department of Animal Science and Technology, National Taiwan University, Taipei 10617, Taiwan
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 11529, Taiwan
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Wu CH, ChangChien CC, Tseng CW, Chang HY, Ou YC, Lin H. Disseminated peritoneal tuberculosis simulating advanced ovarian cancer: A retrospective study of 17 cases. Taiwan J Obstet Gynecol 2011; 50:292-6. [DOI: 10.1016/j.tjog.2011.07.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2010] [Indexed: 11/26/2022] Open
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Chu CY, Tseng CW, Yueh PY, Duan CH, Liu JR. Molecular cloning and characterization of a β-glucanase from Piromyces rhizinflatus. J Biosci Bioeng 2011; 111:541-6. [DOI: 10.1016/j.jbiosc.2011.01.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2010] [Revised: 01/11/2011] [Accepted: 01/12/2011] [Indexed: 10/18/2022]
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Huang EY, Hsu HC, Sun LM, Chanchien CC, Lin H, Chen HC, Tseng CW, Ou YC, Chang HY, Fang FM, Huang YJ, Wang CY, Lu HM, Tsai CC, Ma YY, Fu HC, Wang YM, Wang CJ. Prognostic value of pretreatment carcinoembryonic antigen after definitive radiotherapy with or without concurrent chemotherapy for squamous cell carcinoma of the uterine cervix. Int J Radiat Oncol Biol Phys 2010; 81:1105-13. [PMID: 20932670 DOI: 10.1016/j.ijrobp.2010.07.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2010] [Revised: 06/15/2010] [Accepted: 07/04/2010] [Indexed: 10/19/2022]
Abstract
PURPOSE To evaluate whether pretreatment carcinoembryonic antigen (CEA) levels have a prognostic role in patients after definitive radiotherapy for squamous cell carcinoma (SCC) of the uterine cervix. METHODS AND MATERIALS A retrospective study of 550 patients was performed. The SCC antigen (SCC-Ag) and CEA levels were regarded as elevated when they were ≥2 and ≥5 ng/mL, respectively. A total of 208 patients underwent concurrent chemoradiotherapy (CCRT). The Kaplan-Meier method was used to calculate the distant metastasis (DM), local failure (LF), disease-free survival (DFS), and overall survival (OS) rates. Multivariate analysis was performed using the Cox proportional hazards model. The hazard ratio (HR) with 95% confidence interval (CI) was evaluated for the risk of a poor prognosis. RESULTS Compared with the patients with normal CEA/SCC-Ag levels, CEA levels ≥10 ng/mL but without elevated SCC-Ag levels was an independent factor for LF (HR, 51.81; 95% CI, 11.51-233.23; p < .001), DM (HR, 6.04; 95% CI, 1.58-23.01; p = .008), DFS (HR, 10.17; 95% CI, 3.18-32.56; p < .001), and OS (HR, 5.75; 95% CI, 1.82-18.18; p = .003) after RT alone. However, no significant role for CEA was noted in patients with SCC-Ag levels ≥2 ng/mL. In patients undergoing CCRT, a CEA level ≥10 ng/mL was an independent factor for LF (HR, 2.50; 95% CI, 1.01-6.21; p = .047), DM (HR, 3.41; 95% CI, 1.56-7.46; p = .002), DFS (HR, 2.73; 95% CI, 1.39-5.36; p = .003), and OS (HR, 3.93; 95% CI 1.99-7.75; p < .001). A SCC-Ag level of ≥40 ng/mL was another prognostic factor for DM, DFS, and OS in patients undergoing not only CCRT, but also RT alone. The 5-year OS rate for CCRT patients with CEA <10 ng/mL and ≥10 ng/mL was 75.3% and 35.8%, respectively (p < .001). CCRT was an independent factor for better OS (HR, 0.69; 95% CI, 0.50-0.97; p = .034). CONCLUSION Pretreatment CEA levels in patients with SCC of the uterine cervix provide complementary information for predicting LF, DM, DFS, and OS, except for in patients with abnormal SCC-Ag levels before RT alone. More aggressive therapy might be advisable for patients with CEA levels of ≥10 ng/mL.
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Affiliation(s)
- Eng-Yen Huang
- Department of Radiation Oncology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Taiwan
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Tseng CW, Huang WH, Chen CC. Education and Imaging. Gastrointestinal: persistent vomiting after laparoscopic cholecystectomy. J Gastroenterol Hepatol 2010; 25:1711. [PMID: 20928948 DOI: 10.1111/j.1440-1746.2010.06495.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Affiliation(s)
- C W Tseng
- Department of Internal Medicine, Chia-Yi Veterans Hospital, Chia-Yi City, Taiwan
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Tseng CW, Tsai JJ, Chen CC, Su CW, Lin HC. Hemoperitoneum: a problem in PD patients with hepatic tumors. Perit Dial Int 2009; 29:236-237. [PMID: 19293365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
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Tseng CW, Hung CF, Alvarez RD, Trimble C, Huh WK, Kim D, Chuang CM, Lin CT, Tsai YC, He L, Monie A, Wu TC. Pretreatment with cisplatin enhances E7-specific CD8+ T-Cell-mediated antitumor immunity induced by DNA vaccination. Clin Cancer Res 2008; 14:3185-92. [PMID: 18483387 DOI: 10.1158/1078-0432.ccr-08-0037] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Because the combination of multiple modalities for cancer treatment is more likely to generate more potent therapeutic effects for the control of cancer, we have explored the combination of chemotherapy using cisplatin, which is routinely used in chemotherapy for advanced cervical cancer, with immunotherapy using DNA vaccines encoding calreticulin (CRT) linked to human papillomavirus type 16 E7 antigen (CRT/E7) in a preclinical model. EXPERIMENTAL DESIGN We characterized the combination of cisplatin with CRT/E7 DNA vaccine using different regimen for its potential ability to generate E7-specific CD8+ T-cell immune responses as well as antitumor effects against E7-expressing tumors. RESULTS Our results indicate that treatment of tumor-bearing mice with chemoimmunotherapy combining cisplatin followed by CRT/E7 DNA generated the highest E7-specific CD8+ T-cell immune response and produced the greatest antitumor effects and long-term survival as well as significant levels of E7-specific tumor-infiltrating lymphocytes compared with all the other treatment regimens. Furthermore, we found that treatment with cisplatin leads to the cell-mediated lysis of E7-expressing tumor cells in vitro and increased number of E7-specific CD8+ T-cell precursors in tumor-bearing mice. In addition, we observed that E7-specific CD8+ T cells migrate to and proliferate in the location of TC-1 tumors in mice treated with cisplatin. CONCLUSIONS Thus, our data suggest that chemoimmunotherapy using cisplatin followed by CRT/E7 DNA vaccine is an effective treatment against E7-expressing tumors and may potentially be translated into the clinical arena.
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Affiliation(s)
- Chih-Wen Tseng
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
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Tseng CW, Monie A, Wu CY, Huang B, Wang MC, Hung CF, Wu TC. Treatment with proteasome inhibitor bortezomib enhances antigen-specific CD8+ T-cell-mediated antitumor immunity induced by DNA vaccination. J Mol Med (Berl) 2008; 86:899-908. [PMID: 18542898 PMCID: PMC2535907 DOI: 10.1007/s00109-008-0370-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2008] [Revised: 05/05/2008] [Accepted: 05/13/2008] [Indexed: 01/22/2023]
Abstract
There is an urgent need to develop new innovative therapies for the control of cancer. Antigen-specific immunotherapy and the employment of proteasome inhibitors have emerged as two potentially plausible approaches for the control of cancer. In the current study, we explored the combination of the DNA vaccine encoding calreticulin (CRT) linked to human papillomavirus type 16 E7 antigen (CRT/E7) with the proteasome inhibitor, bortezomib, for their ability to generate E7-specific immune responses and antitumor effects in vaccinated mice. We found that the combination of treatment with bortezomib and CRT/E7(detox) DNA generated more potent E7-specific CD8+ T cell immune responses and better therapeutic effects against TC-1 tumors in tumor-bearing mice compared to monotherapy. Furthermore, we found that treatment with bortezomib led to increased apoptosis of TC-1 tumor cells and could render the TC-1 tumor cells more susceptible to lysis by E7-specific CD8+ T cells. Our data have significant implications for future clinical translation.
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Affiliation(s)
- Chih-Wen Tseng
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
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Lin H, Tseng CW, Chang HY, Lu HM, Ou YC, Changchien CC. Evaluation of Pegylated Liposomal Doxorubicin in the Treatment Of Both Platinum- and Paclitaxel-Refractory Epithelial Ovarian Cancer. Taiwan J Obstet Gynecol 2004. [DOI: 10.1016/s1028-4559(09)60071-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Lin H, ChangChien CC, Huang EY, Tseng CW, Eng HL, Huang CC. The role of pretreatment squamous cell carcinoma antigen in predicting nodal metastasis in early stage cervical cancer. Acta Obstet Gynecol Scand 2000; 79:140-4. [PMID: 10696963 DOI: 10.1034/j.1600-0412.2000.079002140.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
PURPOSE To evaluate whether the presence of pelvic lymph node metastasis can be predicted by pretreatment squamous cell carcinoma antigen (SCC-Ag) levels in early stage squamous cervical carcinoma. MATERIALS AND METHODS Between 1994 and 1998, 284 patients with stage Ib and IIa cervical squamous cell carcinoma undergoing radical hysterectomy had preoperative SCC-Ag determination. The correlation between clinicopathological findings on SCC-Ag levels were examined. The Mann-Whitney U test was used to statistically analyze differences between node positive and negative patients. Multiple regression analysis and a multiple logistic model were employed to examine the effect of clinicopathological findings on SCC-Ag levels. RESULTS Of the 284 patients, 56 patients were found to have nodal metastasis. Median serum levels and 90% ranges of SCC-Ag were 0.74 microg/l (0.5-7.8) in the 228 nodal negative patients and 4.33 microg/l (0.5-48.5) in the 56 nodal positive patients (p<0.001). Lymph node metastasis and tumor size were found to have a significant impact on SCC-Ag levels. Around 86% of the patients with SCC-Ag levels below 8 microg/l showed no nodal metastasis, while about 65% of the patients with serum levels above 8 microg/l exhibited nodal metastasis. Multivariate analyses confirmed that only lymph node metastasis had a significant impact on the SCC-Ag levels exceeding 8 microg/l. CONCLUSION For predicting nodal metastasis preoperatively, SCC-Ag levels greater than 8 microg/ l can be considered a high-risk zone for nodal metastasis.
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Affiliation(s)
- H Lin
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
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Tseng CW, Huntington J. Enoxaparin for the prevention of VT in acutely ill patients. J Fam Pract 1999; 48:940-941. [PMID: 10628571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Affiliation(s)
- C W Tseng
- University of Washington, Seattle, USA.
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Chang TC, Changchien CC, Tseng CW, Lai CH, Tseng CJ, Lin SE, Wang CS, Huang KJ, Chou HH, Ma YY, Hsueh S, Eng HL, Fan HA. Retrograde lymphatic spread: a likely route for metastatic ovarian cancers of gastrointestinal origin. Gynecol Oncol 1997; 66:372-7. [PMID: 9299248 DOI: 10.1006/gyno.1997.4793] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In order to outline the pathways of gastrointestinal malignancies metastasizing to the ovaries, we reviewed 103 cases of metastatic ovarian tumors, and also performed para-aortic lymph node sampling on 11 patients at operation for metastatic ovarian tumors. Of the 103 patients, 74% (26/35) with gastric cancer and 67% (45/67) with colorectal cancer had lymph node metastasis at or before the diagnosis of ovarian tumor. Intraperitoneal metastases presented in 49 and 42% of patients with gastric and with colorectal cancers, respectively. Twenty-three percent of gastric cancer patients and 25% of colorectal cancer patients presented with both lymph node and intraperitoneal metastases. The ovary was the first or among the early metastatic organs diagnosed in 51 of the 53 patients with metachronous ovarian metastases. Only 4 patients with colorectal cancer and none with gastric cancer showed parenchymal organ metastases. These 4 patients also showed intraperitoneal lesions, and 3 of these 4 patients had node metastasis. Among the 11 patients who underwent prospective para-aortic lymph node sampling during operation for the ovarian tumors, only 1 had enlarged para-aortic nodes depicted by computed tomography, 2 had grossly enlarged (>/=1.5 cm) para-aortic lymph nodes noted at surgery, and 6 of the 7 patients with gastric cancer and all 3 with colorectal cancer had metastatic nodes histologically. Among the 58 nodes taken from these patients, 67% showed metastatic foci. We concluded that lymph node metastasis is frequently seen in patients with metastatic ovarian tumors of gastrointestinal origin, and hypothesized that retrograde lymphatic spread is a likely route for the metastases.
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Affiliation(s)
- T C Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital and Chang Gung Medical College, Taoyuan, Taiwan
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Tseng CW, Chao AS, Chang FH, Chang SY, Soong YK. Color Doppler energy in prenatal diagnosis of meconium peritonitis: a case report. Changgeng Yi Xue Za Zhi 1997; 20:58-61. [PMID: 9178595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Meconium peritonitis is an uncommon chemical peritonitis of a fetus resulting from antenatal bowel perforation. We reported a case of meconium peritonitis with pseudocystic formation diagnosed by color Doppler energy (CDE) at 34 gestational weeks. An echogenic substance inside a fetal abdominal mass was detected using ultrasound. By conventional color Doppler, there was minimal blood flow in the cystic wall or septums of the mass. Using CDE, bowel hyperperistalsis was observed in multiple small bowel loops and the region of intestinal loops into the mass was easily detected. Therefore, the angle independent nature of CDE will play a significant role in the early and accurate diagnosis of meconium peritonitis before birth.
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Affiliation(s)
- C W Tseng
- Department of Obstetrics & Gynecology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan, R.O.C
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Tseng CW, ChangChien CC, Lin JW, Hsu TY, Chang SY. Leiomyomatosis peritonealis disseminata (LPD) with acute ascites induced by gonadotropin-releasing hormone (GnRH) agonist: a case report. Changgeng Yi Xue Za Zhi 1996; 19:352-7. [PMID: 9041767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Leiomyomatosis peritonealis disseminata (LPD) is a rare disorder characterized by the development of numerous leiomyomata throughout the peritoneal cavity. We present a case of a 29-year-old woman who had LPD with acute ascites induced by a GnRH agonist (Supremon; buserelin acetate nasal solution 400 micrograms/per day). We found abdominal wall leiomyomata under the left rectus muscle. Because the disorder tended to recur with acute ascites in this patient, castration was performed to eliminate the hormonal stimulation of tumor growth. We suggest postponing hormone replacement therapy post-operatively for 6 months, and we recommend close follow-up to prevent tumor recurrence and hypoestrogenism.
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Affiliation(s)
- C W Tseng
- Department of Obstetrics & Gynecology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan, R.O.C
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Cosman PC, Davidson HC, Bergin CJ, Tseng CW, Moses LE, Riskin EA, Olshen RA, Gray RM. Thoracic CT images: effect of lossy image compression on diagnostic accuracy. Radiology 1994; 190:517-24. [PMID: 8284409 DOI: 10.1148/radiology.190.2.8284409] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
PURPOSE To evaluate the effects of lossy image (noninvertible) compression on diagnostic accuracy of thoracic computed tomographic images. MATERIALS AND METHODS Sixty images from patients with mediastinal adenopathy and pulmonary nodules were compressed to six different levels with tree-structured vector quantization. Three radiologists then used the original and compressed images for diagnosis. Unlike many previous receiver operating characteristic-based studies that used confidence rankings and binary detection tasks, this study examined the sensitivity and predictive value positive scores from nonbinary detection tasks. RESULTS At the 5% significance level, there was no statistically significant difference in diagnostic accuracy of image assessment at compression rates of up to 9:1. CONCLUSION The techniques presented for evaluation of image quality do not depend on the specific compression algorithm and provide a useful approach to evaluation of the benefits of any lossy image processing technique.
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Affiliation(s)
- P C Cosman
- Department of Electrical Engineering, Stanford University, CA 94305-4055
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