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Ho CT, Tan ECH, Lee PC, Chu CJ, Huang YH, Huo TI, Su YH, Hou MC, Wu JC, Su CW. Conventional and machine-learning based risk score for patients with early-stage hepatocellular carcinoma. Clin Mol Hepatol 2024:cmh.2024.0103. [PMID: 38600872 DOI: 10.3350/cmh.2024.0103] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 04/10/2024] [Indexed: 04/12/2024] Open
Abstract
Background/Aims The performance of machine-learning (ML) in predicting the outcomes of patients with hepatocellular carcinoma (HCC) remains uncertain. We aimed to develop risk scores using conventional methods and ML to categorize early-stage HCC patients into distinct prognostic groups. Methods The study retrospectively enrolled 1411 consecutive treatment-naïve patients with the Barcelona Clinic Liver Cancer (BCLC) stage 0 to A HCC from 2012 to 2021. The patients were randomly divided into a training cohort (n=988) and validation cohort (n=423). Two risk scores (CATS-IF and CATS-INF) were developed to predict overall survival (OS) in the training cohort using the conventional methods (Cox proportional hazards model) and ML-based methods (LASSO Cox regression), respectively. They were then validated and compared in the validation cohort. Results In the training cohort, factors for the CATS-IF score were selected by the conventional method, including age, curative treatment, single large HCC, serum creatinine and alpha-fetoprotein levels, fibrosis-4 score, lymphocyte-to-monocyte ratio, and albumin bilirubin grade. The CATS-INF score, determined by ML-based methods, included the above factors and two additional ones (aspartate aminotransferase and prognostic nutritional index). In the validation cohort, both CATS-IF score and CATS-INF score outperformed other modern prognostic scores in predicting OS, with the CATS-INF score having the lowest Akaike information criterion value. A calibration plot exhibited good correlation between predicted and observed outcomes for both scores. Conclusions Both the conventional Cox-based CATS-IF score and ML-based CATS-INF score effectively stratified patients with early-stage HCC into distinct prognostic groups, with the CATS-INF score showing slightly superior performance.
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Affiliation(s)
- Chun-Ting Ho
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Elise Chia-Hui Tan
- Department of Health Service Administration, College of Public Health, China Medical University, Taichung, Taiwan
| | - Pei-Chang Lee
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chi-Jen Chu
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Hsiang Huang
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Teh-Ia Huo
- Division of Basic Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yu-Hui Su
- Department of Accounting, Soochow University, Taipei, Taiwan
| | - Ming-Chih Hou
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jaw-Ching Wu
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chien-Wei Su
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of General Medicine, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
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Lee TW, Su YH, Chen C. Recovery and repurposing of waste isopropanol with CO 2-switchable deep eutectic solvents. Sci Total Environ 2023; 896:165053. [PMID: 37348732 DOI: 10.1016/j.scitotenv.2023.165053] [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] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/22/2023] [Accepted: 06/19/2023] [Indexed: 06/24/2023]
Abstract
Large amounts of waste isopropanol (IPA) are generated in industry, rendering the recovery of IPA highly desirable due to the economic and environmental benefits. Because it forms an azeotropic mixture with water, IPA is difficult to separate from the waste stream. In the present work, a novel CO2-switchable monoethanolamine-butanol deep eutectic solvent (DES) ([MEA][BuOH]) was identified as a superior medium for separating IPA and water at ambient temperature by forming butanol-IPA mixtures. The switchable solvent system combines the advantages of homogeneous and heterogeneous systems, i.e., rapid mixing due to the low mass transfer limitations and facile product separation, respectively. The low viscosity of [MEA][BuOH], the similar physical features (polarity, dipole moment, and dielectric constant) of butanol and IPA, and the H-bonding interactions of [BuOH] with IPA are thought to enable effective IPA capture from water by the butanol. Recovery of the IPA and formation of a butanol-IPA mixture is appealing because the resultant mixture could serve as an additive or substitute for alternative fuels. The results suggest that the developed process will provide a low-cost, energy-saving, effective, and environmentally benign route to recycling and repurposing waste IPA, an environmental hazard, as a potential alternative fuel.
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Affiliation(s)
- Ting-Wei Lee
- Department of Environmental Engineering, National Chung Hsing University, Taichung City 402, Taiwan
| | - Yu-Hui Su
- Department of Environmental Engineering, National Chung Hsing University, Taichung City 402, Taiwan
| | - Chiaying Chen
- Department of Environmental Engineering, National Chung Hsing University, Taichung City 402, Taiwan.
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Su YH, Xia WZ, Huang X, Xu RQ, Yimin YM, Zan T. [Research advances in the treatment of keloid with glucocorticoids]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2023; 39:886-890. [PMID: 37805806 DOI: 10.3760/cma.j.cn501225-20230602-00198] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Abstract
As a first-line classical drug, glucocorticoids are used in most combination treatment regimens of keloid. However, there are issues such as poor treatment efficacy and recurrence of keloid after keloid was treated with glucocorticoids, which seriously affect the therapeutic effect. In recent years, many studies have explored the factors influencing the efficacy of glucocorticoids in treating keloid and the action mechanism of glucocorticoids from different perspectives. Based on this, this paper reviews the mechanism and the factors influencing the efficacy of glucocorticoids in treating keloid, and explores ways to improve the treatment efficacy of glucocorticoids, aiming to provide thoughts for improving glucocorticoid-related diagnostic and therapeutic strategies.
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Affiliation(s)
- Y H Su
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - W Z Xia
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - X Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - R Q Xu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Y M Yimin
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - T Zan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
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Lin LL, Hung JN, Shiu SI, Su YH, Chen WC, Tseng JJ. Efficacy of prophylactic antibiotics for preterm premature rupture of membranes: a systematic review and network meta-analysis. Am J Obstet Gynecol MFM 2023; 5:100978. [PMID: 37094635 DOI: 10.1016/j.ajogmf.2023.100978] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 01/18/2023] [Revised: 03/24/2023] [Accepted: 04/18/2023] [Indexed: 04/26/2023]
Abstract
OBJECTIVE Various prophylactic antibiotic regimens are used in the management of preterm premature rupture of membranes. We investigated the efficacy and safety of these regimens in terms of maternal and neonatal outcomes. DATA SOURCES We searched PubMed, Embase, and the Cochrane Central Register of Controlled Trials from inception to July 20, 2021. STUDY ELIGIBILITY CRITERIA We included randomized controlled trials involving pregnant women with preterm premature rupture of membranes before 37 weeks of gestation and a comparison of ≥2 of the following 10 antibiotic regimens: control/placebo, erythromycin, clindamycin, clindamycin plus gentamicin, penicillins, cephalosporins, co-amoxiclav, co-amoxiclav plus erythromycin, aminopenicillins plus macrolides, and cephalosporins plus macrolides. METHODS Two investigators independently extracted published data and assessed the risk of bias with a standard procedure following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Network meta-analysis was conducted using the random-effects model. RESULTS A total of 23 studies that recruited a total of 7671 pregnant women were included. Only penicillins (odds ratio, 0.46; 95% confidence interval, 0.27-0.77) had significantly superior effectiveness for maternal chorioamnionitis. Clindamycin plus gentamicin reduced the risk of clinical chorioamnionitis, with borderline significance (odds ratio, 0.16; 95% confidence interval, 0.03-1.00). By contrast, clindamycin alone increased the risk of maternal infection. For cesarean delivery, no significant differences were noted among these regimens. CONCLUSION Penicillins remain the recommended antibiotic regimen for reducing maternal clinical chorioamnionitis. The alternative regimen includes clindamycin plus gentamicin. Clindamycin should not be used alone.
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Affiliation(s)
- Li-Ling Lin
- Department of Obstetrics, Gynecology and Women's Health, Taichung Veterans General Hospital, Taichung, Taiwan (Drs Lin, Hung, Chen, and Tseng); Genetic Counseling Program, Institute of Molecular Medicine, National Taiwan University College of Medicine, Taipei, Taiwan (Dr Lin)
| | - Jo-Ni Hung
- Department of Obstetrics, Gynecology and Women's Health, Taichung Veterans General Hospital, Taichung, Taiwan (Drs Lin, Hung, Chen, and Tseng)
| | - Sz-Iuan Shiu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan (Dr Shiu); Department of Critical Care Medicine, Taichung Veterans General Hospital, Taichung, Taiwan (Dr Shiu); Evidence-Based Practice and Policymaking Committee, Taichung Veterans General Hospital, Taichung, Taiwan (Drs Shiu and Su)
| | - Yu-Hui Su
- Evidence-Based Practice and Policymaking Committee, Taichung Veterans General Hospital, Taichung, Taiwan (Drs Shiu and Su)
| | - Wei-Chih Chen
- Department of Obstetrics, Gynecology and Women's Health, Taichung Veterans General Hospital, Taichung, Taiwan (Drs Lin, Hung, Chen, and Tseng)
| | - Jenn-Jhy Tseng
- Department of Obstetrics, Gynecology and Women's Health, Taichung Veterans General Hospital, Taichung, Taiwan (Drs Lin, Hung, Chen, and Tseng).
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Lee CY, Chau GY, Wei CY, Chao Y, Huang YH, Huo TI, Hou MC, Su YH, Wu JC, Su CW. Surgical resection could provide better outcomes for patients with hepatocellular carcinoma and tumor rupture. Sci Rep 2022; 12:8343. [PMID: 35585167 PMCID: PMC9117281 DOI: 10.1038/s41598-022-12350-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 02/17/2022] [Accepted: 05/10/2022] [Indexed: 12/24/2022] Open
Abstract
We investigated the outcomes of patients with ruptured hepatocellular carcinoma (HCC) and identified the optimal treatment modality for such patients. We retrospectively enrolled 91 patients with treatment-naive HCC and tumor rupture at diagnosis, including 38 patients who underwent surgical resection (SR) alone, 28 patients who were treated with transarterial chemoembolization (TACE) only, 20 patients who had a sequential combination therapy of TACE and SR, and 5 patients who received best supportive care. After a median follow-up of 13.1 months, 54 patients died. The cumulative 5 years overall survival (OS) rates were 55.1% and 0% in the SR group and non-SR group, respectively (p < 0.001). Non-SR therapy was associated with poorer OS according to a multivariate analysis with a hazard ratio of 6.649 (95% confidence interval 3.581–12.344, p < 0.001). Moreover, whether patients received TACE or not did not impact the OS in both the SR group and the non-SR group. In conclusion, for patients with HCC and tumor rupture at the time of diagnosis, SR could lead to better prognoses than non-surgery treatment modalities. Moreover, a sequential combination of TACE and SR had similar clinical outcomes when compared to SR alone.
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Affiliation(s)
- Chun-Yang Lee
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Peitou District, Taipei, 11217, Taiwan
| | - Gar-Yang Chau
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Cheng-Yi Wei
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Peitou District, Taipei, 11217, Taiwan.,Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yee Chao
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yi-Hsiang Huang
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Peitou District, Taipei, 11217, Taiwan.,Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Teh-Ia Huo
- Division of Basic Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ming-Chih Hou
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Peitou District, Taipei, 11217, Taiwan.,Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yu-Hui Su
- Department of Accounting, School of Business, Soochow University, Taipei, Taiwan
| | - Jaw-Ching Wu
- Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chien-Wei Su
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Peitou District, Taipei, 11217, Taiwan. .,Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan. .,Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan. .,Hospitalist Ward, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan. .,Biomedical Science and Engineering Center, National Tsing Hua University, Hsinchu, Taiwan.
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Abstract
BACKGROUND The incidence of hepatocellular carcinoma (HCC) is significantly higher in men than women. Nonetheless, the impact of sex disparities on HCC outcomes remains unclear. We aimed to compare the clinical manifestations and prognoses between male and female patients with HCC. METHODS This retrospective study enrolled 5337 consecutive patients (3976 men, 1361 women) who were diagnosed with HCC from 2007 to 2020. The prognostic factors were identified by the Cox proportional hazards model. RESULTS Male patients were younger upon HCC diagnosis (median age 64 vs 69 years; p < 0.001) with more favorable hepatic functional reserves (39.0% vs 35.1% albumin-bilirubin grade 1; p = 0.025) but had greater tumor burdens than the female patients. Furthermore, fewer male patients underwent curative therapies for HCC compared with the female patients (49.0% vs 57.0%; p < 0.001). After a median follow-up of 20.1 months (interquartile range, 5.8-47.3 months), 3133 patients died. The cumulative 5-year overall survival rates were 37.1% and 41.9% for male and female patients, respectively (p < 0.001). From the multivariate analysis, male sex was not an independent factor predictive of poor overall survival in all patients and in the subgroup analysis stratified by treatment modalities. When stratified by age, the female sex was an independent factor associated with lower mortality in younger (≤50 years) patients but not in older patients with HCC. CONCLUSION Sex was not an independent predictor of the outcome of patients with HCC, especially for those aged more than 50 years.
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Affiliation(s)
- Cheng-Yen Liao
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Chun-Yang Lee
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Cheng-Yi Wei
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Yee Chao
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Yi-Hsiang Huang
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Ming-Chih Hou
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Yu-Hui Su
- Department of Accounting, School of Business, Soochow University, Taipei, Taiwan, ROC
| | - Jaw-Ching Wu
- Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Chien-Wei Su
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Hospitalist Ward, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Biomedical Science and Engineering Center, National Tsing Hua University, Hsinchu, Taiwan, ROC
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Huang ZY, Su YH, Huang ZP, Wang YB, Du GC, Huang YP, Chen G, Xu C, Zhu QA. Medial Buttress Plate and Allograft Bone-Assisted Cannulated Screw Fixation for Unstable Femoral Neck Fracture with Posteromedial Comminution: A Retrospective Controlled Study. Orthop Surg 2022; 14:911-918. [PMID: 35445587 PMCID: PMC9087460 DOI: 10.1111/os.13273] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 03/20/2022] [Accepted: 03/21/2022] [Indexed: 12/21/2022] Open
Abstract
Objective To investigate the outcomes of open reduction and internal fixation combined with medial buttress plate (MBP) and allograft bone‐assisted cannulated screw (CS) fixation for patients with unstable femoral neck fracture with comminuted posteromedial cortex. Methods In a retrospective study of patients operated on for unstable femoral neck fractures with comminuted posteromedial cortex from March 2016 to August 2020, the clinical and radiographic outcomes of 48 patients treated with CS + MBP were compared with the outcomes of 54 patients treated with CS only. All patients in the CS + MBP group were fixed by three CS and MBP (one‐third tubular plates or reconstructive plates) with bone allografts. The surgery‐related outcomes and complications were evaluated, including operative time, blood loss, union time, femoral head necrosis, femoral neck shortening, and other complications after the operation. The Harris score was evaluated at 12 months after the operation. Results All patients were followed up for 12–40 months. The average age of patients in the CS‐only group (54 cases, 22 females) and CS + MBP group (48 cases, 20 females) was 48.46 ± 7.26 and 48.73 ± 6.38 years, respectively. More intraoperative blood loss was observed in the CS + MBP group than that of patients in CS‐only group (153.45 ± 64.27 vs 21.86 ± 18.19 ml, t = 4.058, P = 0.015). The average operative time for patients in the CS + MBP group (75.35 ± 27.67 min) was almost double than that of patients in the CS‐only group (36.87 ± 15.39 min) (t = 2.455, P < 0.001). The Garden alignment index of patients treated by CS + MBP from type I to type IV was 79%, 19%, 2%, and 0%, respectively. On the contrary, they were 31%, 43%, 24% and 2% for those in the CS‐only group, respectively. The average healing times for the CS‐only and CS + MBP groups were 4.34 ± 1.46 and 3.65 ± 1.85 months (t = 1.650, P = 0.102), respectively. Femoral neck shortening was better in the CS + MBP group (1.40 ± 1.73 mm, 9/19) than that in the CS‐only group (4.33 ± 3.32 mm, 24/44). Significantly higher hip function was found in the CS + MBP group (85.60 ± 4.36 vs 82.47 ± 6.33, t = 1.899, P = 0.06). There was no statistical difference between femoral head necrosis (4% vs 11%, χ2 = 1.695, P = 0.193) and nonunion (6% vs 9%, χ2 = 0.318, P = 0.719). Conclusion For unstable femoral neck fractures with comminuted posteromedial cortex, additional MBP combined with bone allografts showed better reduction quality and neck length control than CS fixation only, with longer operative time and more blood loss.
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Affiliation(s)
- Zhe-Yuan Huang
- Nan Fang Hospital of Southern Medical University, Guangzhou, China.,Department of Orthopaedics, The 73st Group Army Hospital of PLA (Key Orthopaedic Specialties Specialties of Xiamen City 2015347), Xiamen, China
| | - Yu-Hui Su
- Department of Orthopaedics, The 73st Group Army Hospital of PLA (Key Orthopaedic Specialties Specialties of Xiamen City 2015347), Xiamen, China
| | - Zhi-Ping Huang
- Nan Fang Hospital of Southern Medical University, Guangzhou, China
| | - Yi-Bei Wang
- Nan Fang Hospital of Southern Medical University, Guangzhou, China
| | - Gui-Cheng Du
- Department of Anatomy, Xiamen Medical College, Xiamen, China
| | - Yan-Peng Huang
- Department of Orthopaedics, The 73st Group Army Hospital of PLA (Key Orthopaedic Specialties Specialties of Xiamen City 2015347), Xiamen, China
| | - Gang Chen
- Department of Orthopaedics, The 73st Group Army Hospital of PLA (Key Orthopaedic Specialties Specialties of Xiamen City 2015347), Xiamen, China
| | - Chun Xu
- Department of Orthopaedics, The 73st Group Army Hospital of PLA (Key Orthopaedic Specialties Specialties of Xiamen City 2015347), Xiamen, China
| | - Qing-An Zhu
- Nan Fang Hospital of Southern Medical University, Guangzhou, China
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Jing PP, Li YX, Su YH, Liang WL, Leng YX. The role of metal ions in the behavior of bovine serum albumin molecules under physiological environment. Spectrochim Acta A Mol Biomol Spectrosc 2022; 267:120604. [PMID: 34802930 DOI: 10.1016/j.saa.2021.120604] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 11/03/2021] [Accepted: 11/07/2021] [Indexed: 06/13/2023]
Abstract
Metal ions released from metallic implants can affect the conformation and structural stability of proteins in biological fluids, which eventually affects the biocompatibility of implants. The present study aimed at understanding the interactions between the metal ions (Mn2+, Fe2+, Fe3+, Co2+, Cu2+, and Zn2+) and bovine serum albumin (BSA) molecules in physiological context. The structural information of BSA molecules and the microenvironment of functional groups were investigated using UV, Raman, and circular dichroism spectroscopy. The results revealed that addition of Fe3+, Fe2+, and Cu2+ ions alters the tertiary structure of BSA molecules and exposes the aromatic heterocyclic hydrophobic group of BSA amino acid residues. The addition of Fe3+ and Cu2+ ions results in increased viscosity and decreased intensity of the water peak in the BSA solution. Furthermore, Fe3+ and Cu2+ ions evidently promote the α-helix to β-sheet transformation of BSA molecules due to decreased disulfide bond stability. Tryptophan residues of BSA and metal ions containing BSA (Me+/BSA) solutions were found to be in a hydrophilic environment. Moreover, the addition of metal ions to BSA results in several of tyrosine residues acting as hydrogen-bond donors. Coomassie brilliant blue staining revealed that the addition of Cu2+ ions promotes the aggregation of BSA molecules. The findings of this study will be helpful for evaluating the biocompatibility of metallic implants.
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Affiliation(s)
- P P Jing
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Y X Li
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Y H Su
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - W L Liang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Y X Leng
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
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Lin SF, Xiao H, Chen LM, Ling YL, Wei W, Fang L, Su YH, Luo JY, Liu X. [Clinical features of young inpatients with angle-closure glaucoma]. Zhonghua Yan Ke Za Zhi 2022; 58:28-34. [PMID: 34979790 DOI: 10.3760/cma.j.cn112142-20210301-00104] [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: 06/14/2023]
Abstract
Objective: To analyze the composition of diagnosis in young inpatients with angle-closure glaucoma and to compare the clinical characteristics between primary angle-closure glaucoma (PACG) and secondary angle-closure glaucoma (SACG). Methods: This was a retrospective case series study. Angle-closure glaucoma patients aged 40 years or younger and hospitalized in Zhongshan Ophthalmic Center from January 2012 to December 2019 were included. The clinical diagnosis, gender, onset age, and results of general ophthalmic examination, A-scan ultrasonography measurements, ultrasound biomicroscopy, optical coherence tomography and visual field were recorded. The proportions and composition of PACG and SACG, as well as the misdiagnosis ratio, were analyzed. The onset age, visual acuity, visual field, and ocular parameters were compared between patients with PACG and SACG. Non-normally distributed data were represented by M (Q1, Q3). The difference between groups were compared by Mann-Whitney U test, Chi square test, and independent sample t test. Results: A total of 243 patients (243 eyes) were included in this study. The mean onset age was (28±9) years, and the male-to-female ratio was 1∶1.79. There were 93 patients (38.3%) in PACG group and 150 (61.7%) in SACG group. The age of PACG [34(28, 38)] was older than that of SACG [28(19, 34)], and the proportion of males in the SACG group (44.0%, 66/150) was significantly higher than that in the PACG group (22.6%, 21/93) (Z=-5.34, χ2=11.46; both P<0.01). Nanophthalmos (22.7%, 34 cases), autosomal recessive bestrophinopathy (ARB) (19.3%, 29 cases), uveitis (18.7%, 28 cases) and retinitis pigmentosa (14.0%, 21 cases) were the most common causes of SACG. The best corrected visual acuity (logarithm of the minimum angle of resolution) was 0.10 (0.00, 0.48) and 0.40 (0.06, 1.00), mean deviation of visual field was -8.07 (-27.49, -2.09) and -15.04 (-28.75, -5.97) dB, and subfoveal choroidal thickness was (452.3±130.7) and (396.3±120.9) μm in the PACG and SACG groups, respectively. The differences were statistically significant (Z=-4.86, -2.14; t=2.37; all P<0.05). There was no statistical difference in intraocular pressure, cup-to-disc ratio, extent of peripheral anterior synechia, central anterior chamber depth, lens thickness, mean retinal nerve fiber layer thickness between these two groups (all P>0.05). The misdiagnosis ratio was 10.7% (26/243) in all patients, while the misdiagnosis ratio of the SACG group (16.7%, 25/150) was higher than that of the PACG group (1.1%, 1/93) (χ²=14.61, P<0.001). Conclusions: PACG, nanophthalmos and ARB are the most common etiologies in young inpatients with angle-closure glaucoma. Compared to PACG, patients with SACG are younger, with worse visual acuity and more severe visual field defects, and easier to be misdiagnosed.
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Affiliation(s)
- S F Lin
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - H Xiao
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - L M Chen
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - Y L Ling
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - W Wei
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - L Fang
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - Y H Su
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - J Y Luo
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
| | - X Liu
- Zhongshan Ophthalmic Centre, Sun Yat-sen University, State Key Laboratory of Ophthalmology, Guangzhou 510060, China
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Chang CY, Wei CY, Chen PH, Hou MC, Chao Y, Chau GY, Lee RC, Huang YH, Su YH, Wu JC, Su CW. The role of albumin-bilirubin grade in determining the outcomes of patients with very early-stage hepatocellular carcinoma. J Chin Med Assoc 2021; 84:136-143. [PMID: 33433133 DOI: 10.1097/jcma.0000000000000482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Patients with hepatocellular carcinoma (HCC) and with a single tumor <2 cm in size are classified as having Barcelona Clinic Liver Cancer (BCLC) stage 0 HCC. We aimed to investigate the role of the albumin-bilirubin (ALBI) grade in predicting outcomes in patients with BCLC stage 0 HCC. METHODS We retrospectively enrolled patients with BCLC stage 0 HCC in Taipei Veterans General Hospital from 2007 to 2015. Prognostic factors were analyzed using a Cox proportional hazards model and propensity score matching (PSM) analysis. RESULTS There were 420 patients enrolled, including 207 with ALBI grade 1, and 213 with ALBI grade 2 or 3. After a median follow-up of 60.0 months (interquartile range, 37.2-84.6 months), 179 patients died. The cumulative 5-year overall survival (OS) rates were 80.6% in patients with ALBI grade 1 and 53.7% in those with ALBI grade 2 or 3, respectively (p < 0.001). Multivariate analysis showed that age >65 years, negative hepatitis B surface in serum, creatinine >1.0 mg/dL, platelet count ≤105/mm3, tumor size >1.5 cm, nonsurgical resection (SR) therapy, and higher ALBI grade were independent risk factors related to poor OS. Patients who underwent SR had a better OS and recurrence-free survival than those who received radiofrequency ablation, which was confirmed by a multivariate analysis and PSM analysis. CONCLUSION The ALBI grade can determine OS for patients with BCLC stage 0 HCC. SR can also provide a better outcome than nonsurgical treatment.
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Affiliation(s)
- Chung-Yu Chang
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Healthcare and Services Center, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Cheng-Yi Wei
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Ping-Hsien Chen
- Endoscopy Center for Diagnosis and Treatment, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Division of Gastroenterology and Hepatology, Department of Medicine, West Garden Hospital, Taipei, Taiwan, ROC
| | - Ming-Chih Hou
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Yee Chao
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Gar-Yang Chau
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Rheun-Chuan Lee
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Yi-Hsiang Huang
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Yu-Hui Su
- Department of Accounting, School of Business, Soochow University, Taipei, Taiwan, ROC
| | - Jaw-Ching Wu
- Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Cancer Progression Research Center, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Chien-Wei Su
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Hospitalist Ward, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
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Wang J, Xiu BQ, Guo R, Yang BL, Zhang Q, Su YH, Li L, Ji WR, Zhang YY, Cao AY, Shao ZM, Wu J. [Current trend of breast cancer neoadjuvant treatment in China: a cross-sectional study]. Zhonghua Zhong Liu Za Zhi 2020; 42:931-936. [PMID: 33256304 DOI: 10.3760/cma.j.cn112152-20190924-00623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the current trend of breast cancer neoadjuvant therapy and provide reference for the improvement of breast cancer clinical guideline in the future. Methods: Questionnaires of cross-sectional survey were sent to 110 hospitals (breast cancer surgery quantity surpassing 200) between July 2018 and September 2018. The stages and subtypes, therapeutic regimen, treatment assession, operation choice and preforming of patients underwent neoadjuvant therapy were recorded. Results: Neoadjuvant treatment has been performed in all of the 110 hospitals. The total number of breast patients underwent neoadjuvant therapy was about 14 550 (17.0% in surgical patients) in 2017. For all of the neoadjuvant patients, the proportion of stageⅡ patients was less than 30% in 81 hospitals, and the proportion of stage Ⅲ was more than 50% in 84 hospitals. The numbers of estrogen receptor (ER) (+ )/human epidermal growth factor receptor-2 (HER-2) (-), ER (-)/HER-2 (+ ) and triple negative subtype breast cancer patients were 3 550 (24.4%), 6 024 (41.4%) and 4 991 (34.3%), respectively. Patient's scruples of relatively delayed operation and weak will of breast conservation after neoadjuvant therapy were the majority reasons for neoadjuvant therapy restriction. Anthracycline followed by taxane was the most usual neoadjuvant therapeutic regimens in 53.6% hospitals, and anthracycline plus taxane was the first choice in 42.7% hospitals. Chemotherapy with targeting therapy was recommended to HER-2 positive neoadjuvant patients in 80.9% hospitals. To assess treatment outcome of neoadjuvant treatment, 42.7% hospitals used MRI in more than 50% patients while the usage rate of MRI was less than 20% in 37.3% hospitals. The proportions of hospital using repeat-marking, tattoo and metal clip as the first method to identify the primary tumor region and lymph nodes were 60.0%, 29.1% and 10.9%, respectively. Breast-conservation rate after neoadjuvant therapy was less than 20% in 87.3% hospitals. Conclusions: Neoadjuvant therapy for breast cancer is widely performed in most hospitals in China, while the proportion of neoadjuvant treatment in patients with operable breast cancer is still low. Meanwhile, the idea of achieving de-escalation operation through neoadjuvant treatment is not promoted and the therapeutic evaluation method of neoadjuvant treatment needs further studies to improve.
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Affiliation(s)
- J Wang
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - B Q Xiu
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - R Guo
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - B L Yang
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Q Zhang
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Y H Su
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - L Li
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - W R Ji
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Y Y Zhang
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - A Y Cao
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Z M Shao
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - J Wu
- Department of Breast Surgery, Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai 200032, China
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Abstract
Objective: To investigate the clinical characteristics of patients with hepatic metastasis after cervical cancer operation, and analyze the risk factors and prognostic factors of hepatic metastasis. Methods: A total of 1 312 patients with stage Ⅰa2-Ⅱb2 cervical cancer received radical surgery from January 2013 to January 2016 in the First Affiliated Hospital of Zhengzhou University were collected, of which 13 cases (0.99%, 13/1 312) had hepatic metastasis after operation. A retrospective analysis was conducted on clinical features of patients with hepatic metastasis after cervical cancer operation. T-test, chi-square test, rank sum test and logistic regression were used to analyze the risk factors of hepatic metastasis after surgery of cervical cancer operation. Kaplan-Meier method was used for survival analysis. Log-rank test was used for screening of prognostic factors in patients with postoperative hepatic metastasis. Results: (1) Clinical features: there were 3 cases of simple hepatic metastasis without obvious clinical symptoms, 2 patients with perihepatic lymph node metastasis showed only low back pain, 8 patients with multiple extrahepatic metastases, and their clinical symptoms were related to the site of metastasis. Five cases out of 9 (5/9) with liver metastasis had abnormal tumor marker results. The abnormal kinds of tumor markers were mainly carcinoembryonic antigen (CEA), CA(125), CA(199), and CA(72-4). The interval time of hepatic metastasis after operation was 2-22 months. (2) Analysis of risk factors for hepatic metastasis: univariate analysis showed that lymph node metastasis, histological type, infiltration depth, and lymph-vascular space invasionwere associated with hepatic metastasis after cervical cancer surgery (P<0.05).Multivariate analysis showed that lymph node metastasis and small cell carcinoma were independent risk factors for postoperative hepatic metastasis (P<0.05). (3) Prognostic factors in patients with hepatic metastasis:among 13 patients with postoperative hepatic metastases from cervical cancer, 9 died during the follow-up period and 4 survived. The median total survival time after hepatic metastases was 7 months (range 3-32 months). Univariate analysis showed that multiple extrahepatic metastases and treatment after hepatic metastasis had significant effects on the prognosis of patients with hepatic metastasis after cervical cancer operation (P<0.05). Conclusions: The interval of hepatic metastasis after surgery for cervical cancer operation is within 2 years. Patients with lymph node metastasis and small cell carcinoma are more prone to postoperative hepatic metastasis. The prognosis of patients with extrahepatic multiple metastases is poor, and individualized treatment should be carried out after comprehensive analysis for patients with hepatic metastasis after cervical cancer operation.
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Affiliation(s)
- P P Li
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Zhengzhou University, Cervical Disease Prevention and Treatment Engineering Center of Henan Province, Zhengzhou 450000, China
| | - Y H Su
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Zhengzhou University, Cervical Disease Prevention and Treatment Engineering Center of Henan Province, Zhengzhou 450000, China
| | - M Z Zhang
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Zhengzhou University, Cervical Disease Prevention and Treatment Engineering Center of Henan Province, Zhengzhou 450000, China
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Wei CY, Chen PC, Chau GY, Lee RC, Chen PH, Huo TI, Huang YH, Su YH, Hou MC, Wu JC, Su CW. Comparison of prognosis between surgical resection and transarterial chemoembolization for patients with solitary huge hepatocellular carcinoma. Ann Transl Med 2020; 8:238. [PMID: 32309385 PMCID: PMC7154415 DOI: 10.21037/atm.2019.12.157] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Background For patients with solitary huge (>10 cm in size) hepatocellular carcinoma (HCC) and without major vascular invasion, the treatment efficacy between surgical resection (SR) and transarterial chemoembolization (TACE) is not well studied. We aimed to compare the prognoses between SR and TACE for patients with solitary huge HCC. Methods We enrolled 143 patients with treatment-naïve, solitary HCC (>10 cm) who had received either SR or TACE treatment between 2007–2016. Factors of overall survival (OS) were analyzed by multivariate analysis. Propensity scores matching (PSM) method was adopted to adjust baseline demographic differences for further analysis. Results Ninety patients underwent SR and 53 patients received TACE. After a median follow-up of 17.0 (interquartile range 7.7–45.6) months, 83 patients had died. The cumulative 5-year OS rate was 44.7% and 11.7% for the SR group and the TACE group, respectively (P<0.001). A multivariate analysis showed that TACE [hazard ratio (HR): 3.515, 95% confidence interval (CI): 2.202–5.610, P<0.001], and albumin-bilirubin (ALBI) grade >1 (HR: 2.181, 95% CI: 1.343–3.543, P=0.002) were the independent risk factors associated with poorer OS. After PSM, 37 pairs of matched patients were selected from each treatment arm. After matching, patients who underwent SR still evinced a significantly higher OS than did those who underwent TACE (P=0.010). Conclusions SR provided a better OS than did TACE for patients with solitary huge (≥10 cm) HCC. As such, SR is recommended as the therapeutic priority for these patients.
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Affiliation(s)
- Cheng-Yi Wei
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei
| | - Po-Chun Chen
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei.,Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei
| | - Gar-Yang Chau
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei.,Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei
| | - Rheun-Chuan Lee
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei.,Department of Radiology, Taipei Veterans General Hospital, Taipei
| | - Ping-Hsien Chen
- Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei.,Endoscopy Center for Diagnosis and Treatment, Taipei Veterans General Hospital, Taipei.,Institute of Biophotonics, National Yang-Ming University, Taipei
| | - Teh-Ia Huo
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei.,Institute of Pharmacology, National Yang-Ming University, Taipei.,Department of Medical Research, Taipei Veterans General Hospital, Taipei
| | - Yi-Hsiang Huang
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei.,Institute of Clinical Medicine, National Yang-Ming University, Taipei
| | - Yu-Hui Su
- Department of Accounting, School of Business, Soochow University, Taipei
| | - Ming-Chih Hou
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei.,Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei
| | - Jaw-Ching Wu
- Department of Medical Research, Taipei Veterans General Hospital, Taipei.,Institute of Clinical Medicine, National Yang-Ming University, Taipei
| | - Chien-Wei Su
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, Taipei.,Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei
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Si J, Quan CL, Mo M, Guo R, Su YH, Yang BL, Chen JJ, Shao ZM, Wu J. [A single-center retrospective study on axillary evaluation in 1 557 breast ductal carcinoma in situ patients between 2006 and 2016]. Zhonghua Wai Ke Za Zhi 2019; 57:681-685. [PMID: 31474060 DOI: 10.3760/cma.j.issn.0529-5915.2019.09.007] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objectives: To examine the influence factors on axillary evaluation in ductal carcinoma in situ (DCIS) patients, and the prognosis of different choices of axillary evaluation in a single-center retrospective study. Methods: Totally 1 557 DCIS patients admitted in Department of Breast Surgery, Fudan University Shanghai Cancer Center from January 2006 to November 2016 were retrospectively enrolled. All patients were female. The median age was 49 years (range: 21 to 85 years). Surgical methods included modified radical mastectomy, simple mastectomy (with or without axillary evaluation) and breast conservation surgery (with or without axillary evaluation). Axillary evaluation included axillary lymph node dissection (ALND) and sentinel lymph node biopsy (SLNB). T tests, χ(2) test and Logistic regression analysis was used to analyze influence factors on axillary evaluation, respectively. Kaplan-Meier curve and Log-rank analysis were used to evaluate recurrence-free survival (RFS) and loco-regional recurrence-free survival (LRRFS) in patients with different surgical methods. Results: Among the 1 557 DCIS patients, there were 1 226 cases received axillary evaluation, while 331 cases not received axillary evaluation. Patients were separated into 3 groups by different axillary evaluation choices: SLNB group (957 cases, 61.46%), ALND group (197 cases, 12.65%) and no evaluation group (403 cases, 25.88%). The patients in SLNB group increased significantly (P=0.000), from 3.85% (60/1 557) in 2006 to 75.19% (1 170/1 557) in 2016. The independent influence factors of receiving axillary evaluation were high nuclear grade (OR=3.191, 95%CI: 1.722 to 5.912, P=0.001) and tumor size>15 mm (OR=1.698, 95%CI: 1.120 to 2.573, P=0.012). Also, patients received breast conservation surgery were more likely to refuse axillary evaluation (OR=0.155, 95%CI: 0.103 to 0.233, P=0.000). There were no significant differences in RFS and LRRFS in patients with different axillary evaluation choices. Conclusions: The investigation in trends and influence factors of different axillary evaluation choices provided basis on surgical precision medicine in DCIS patients. Patients received SLNB increased significantly. The independent influence factors of axillary evaluation were nuclear grade, tumor size and surgical methods. There was no significant differences in prognosis among the groups receiving different axillary evaluations.
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Affiliation(s)
- J Si
- Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
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Guo R, Xiu BQ, Su YH, Wang J, Zhang Q, Chi WR, Li L, Yang BL, Zhang YY, Cao AY, Shao ZM, Wu J. [Current practice of implant-based breast reconstruction: results from China national practice questionnaire survey]. Zhonghua Wai Ke Za Zhi 2019; 57:616-621. [PMID: 31422632 DOI: 10.3760/cma.j.issn.0529-5815.2019.08.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the current clinical practice of implant-based breast reconstruction (IBBR) in China. Methods: The current survey was sponsored by Chinese Anti-Cancer Association, Committee of Breast Cancer Society and Chinese Society of Breast Surgeons. A survey was mailed to 110 hospitals in China, which have more than 200 breast cancer operations performed in 2017. The survey mainly included questions on the clinical practice of IBBR, sociodemographic and geographical factors associated with IBBR practice, reasons and concerns for selecting IBBR, type and timing of breast reconstruction, and the complications of IBBR. Data were analyzed using χ(2) test, Fisher's exact test or Kruskal-Wallis rank sum test. Results: IBBR was available in 86.4% (95/110) included hospitals. It was predominantly performed breast reconstruction surgery, the proportion of IBBR in all the breast reconstruction was 65.75% (4 296/6 534). However, the rate of IBBR in all the patients received mastectomy was only 7.06% (4 296/60 877). Among all the included hospitals, the number of implant reconstructions performed in 2017 was 24 (57.5) cases (M(Q(R)), range: 2-565 cases). Factors associated with the performance of IBBR including regional per capita gross domestic product (H=10.47, P=0.005) and annual surgery volume (H=8.30, P=0.016). The main reasons for choosing IBBR were relatively simple surgical procedure, short learning curve and short operation time. The effects of adjuvant radiotherapy on prosthesis, postoperative complications and patient satisfaction were the main concerns for implant reconstruction. Compared with delay reconstruction, a higher proportion of IBBR was observed in immediate reconstruction (83.1% vs. 62.0%, χ(2)=12.522, P=0.000). In all, 10.5% (10/95) hospitals reported more than 10% grade Ⅲ to Ⅳ capsular contracture. The incidence of infections need surgical intervention was reported between 10% and 20% by 4.2% (4/95) hospitals. Hospitals with 6% to 10% implant rupture and 6% to 15% implant removal were 1.1% (1/95) and 4.2% (4/95) respectively. Conclusions: IBBR was the most common used surgery in breast reconstruction after mastectomy. However, the proportion of IBBR in patients after mastectomy was still low. Reginal economy, surgery volume of hospitals, lack of specialty training program and the concern about complications and patient's satisfaction were the factors affecting the development of IBBR.
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Affiliation(s)
- R Guo
- Department of Breast Surgery, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
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Xiu BQ, Guo R, Yang BL, Zhang Q, Wang J, Su YH, Li L, Ji WR, Zhang YY, Cao AY, Shao ZM, Wu J. [Current trends of breast reconstruction after mastectomy in China: a cross-sectional study]. Zhonghua Zhong Liu Za Zhi 2019; 41:546-551. [PMID: 31357844 DOI: 10.3760/cma.j.issn.0253-3766.2019.07.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the current trends of breast reconstruction(BR) after mastectomy in China. Methods: A list of hospitals with more than 200 cases of breast cancer surgery per year nationwide was obtained, and 110 institutions were selected according to the geographical distribution. The research was conducted in the form of a questionnaire survey, and 92.3% (169/183) of the questions were single-choice questions. Information such as demographics of surgeons and hospitals, number of mastectomy and BR, type and timing of BR was included in the survey. Survey formal notification letter was issued by the China Anti-Cancer Association Breast Cancer Committee and Chinese College of Surgeons, Committee of Mammary Surgeons. Questionnaires were sent to the respondents of each center by email. The survey time range was from January 1, 2017 to December 31, 2017. All data were completely collected before September 7, 2018. Results: A total of 110 units participated in the survey. In total, 87.3% (96/110) of the hospitals have conducted BR surgery. The BR after mastectomy was 10.7% (6 534/61 099), among this, implant BR accounted for 65.7%(4 296/6 534), autologous BR accounted for 20.1% (1 312/6 534), and autologous combined implant BR accounted for 14.2% (927/6 534). Immediate reconstruction accounted for 67.6% (4 417/6 534) of BR, while delayed BR accounted for 32.4% (2 097/6 534). In 2017, 77.8% (35/45) of the plastic surgery departments cooperated with general surgery departments. General BR could be conducted after mastectomy accounted for 83.6% (92/110). The proportion of reconstruction was positively correlated with the gross domestic product (GDP) per capita (r=0.311, P=0.002). The one-step implant-based BR(IBBR) was the most preferred type in immediate BR. Two-step IBBR was the most preferred method in delayed BR. Hospitals that routinely evaluated aesthetics after BR accounted for 64.6% (62/96), while only 16.7% (16/96) of hospitals used patient-reported outcome measure (PROM). The most commonly used PROM tool was BREAST-Q. Conclusions: The overall BR in China is on upward trend, but gap between China and the developed countries still exists. Breast surgery departments should strengthen further cooperation with plastic surgery departments. Simultaneously, the aesthetics evaluation and PROM after BR should be put a high premium.
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Affiliation(s)
- B Q Xiu
- Department of Breast Surgery, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
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Adabavazeh Z, Hwang WS, Su YH. Effect of Adding Cerium on Microstructure and Morphology of Ce-Based Inclusions Formed in Low-Carbon Steel. Sci Rep 2017; 7:46503. [PMID: 28485376 PMCID: PMC5423036 DOI: 10.1038/srep46503] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [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: 01/03/2017] [Accepted: 03/15/2017] [Indexed: 11/12/2022] Open
Abstract
Intra-granular Acicular Ferrite (IAF), as one of the most well-known desirable microstructure of ferrite with a chaotic crystallographic orientation, can not only refine the microstructure and retard the propagation of cleavage crack but also provide excellent combination of strength and toughness in steel. The effect of adding cerium on microstructure and controlling proper cerium-based inclusions in order to improve properties in low-carbon commercial steel (SS400) were investigated. The type of inclusions can be controlled by changing S/O ratio and Ce content. Without Ce modification, MnS is a dominate inclusion. After adding Ce, the stable inclusion phases change from AlCeO3 to Ce2O2S. The optimum amount of cerium, 0.0235 wt.%, lead in proper grain refinement and formation of cerium oxide, oxy-sulfide and sulfide inclusions. Having a high amount of cerium results in increasing the number of inclusions significantly as a result it cannot be effective enough and the inclusions will act like barriers for others. It is found that the inclusions with a size of about 4∼7 μm can serve as heterogeneous nucleation sites for AF formation. Thermodynamic calculations have been applied to predict the inclusion formation in this molten steel as well, which show a good agreement with experimental one.
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Affiliation(s)
- Z Adabavazeh
- Department of Materials Science and Engineering, National Cheng Kung University, No. 1 Tainan, 701, Taiwan
| | - W S Hwang
- Department of Materials Science and Engineering, National Cheng Kung University, No. 1 Tainan, 701, Taiwan
| | - Y H Su
- Iron and Steel Research and Development Department, China Steel Corporation, Kaohsiung 812, Taiwan
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Hwang YT, Su YH, Terng HJ. Comparisons of normalization methods for relative quantitative in real-time polymerase chain reaction. COMMUN STAT-SIMUL C 2017. [DOI: 10.1080/03610918.2014.1002619] [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] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Yi-Ting Hwang
- Department of Statistics, National Taipei University, Taipei, Taiwan
| | - Yu-Hui Su
- Department of Statistics, National Taipei University, Taipei, Taiwan
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Yu XS, He J, Chen JH, Lai ZB, Su YH, Shi MM, Huang ZX, Cheng QJ, Ke XY, Zhao BH. [Levels of dichlorodiphenyltrichloroethane internal exposure levels in pregnant women of Xiamen and influencing factors]. Zhonghua Yu Fang Yi Xue Za Zhi 2016; 50:982-989. [PMID: 27903362 DOI: 10.3760/cma.j.issn.0253-9624.2016.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the level of and factors influencing internal exposure to dichlorodiphenyltrichloroethane (DDT) in pregnant women. Methods: In all, 1 064 pregnant women were recruited in a hospital of Xiamen. Participants were asked to complete a questionnaire to obtain data on sociodemographic characteristics and lifestyle. Peripheral venous blood and cord blood samples were collected. Of the 1 064 pregnant women, 600 were enrolled in this study after completing the questionnaire and providing peripheral venous blood and cord blood. Among those women, 150 were selected randomly using a systematic sampling method. A gas chromatography coupled electron capture detector was used to determine the concentration of six DDT homologues: p,p'-dichlorodiphenyltrichloroethane (p,p'-DDT), o,p'-dichlorodiphenyltrichloroethane (o,p'-DDT), p,p'-dichlorodiphenyldichloroethane (p,p'-DDD), o,p'-dichlorodiphenyldichloroethane (o,p'-DDD), p,p'-dichlorodiphenylethylene (p,p'-DDE), and o,p'-dichlorodiphenylethylene (o,p'-DDE) . Pregnant women were divided into two groups according to DDT concentration: a low concentration group (detection value≤P50) and a high concentration group (detection value>P50). multivariate logistic regression was used to analyze the association between the DDT levels and potential influencing factors which investigated in the questionnaire. Results: The detection rates of p,p'-DDT, o,p'-DDT, p,p'-DDD, o,p'-DDD, p,p'-DDE and o,p'-DDE in the peripheral venous blood samples from the 150 pregnant women were 83.3% (125), 29.3% (44), 58.0% (87), 24.0% (36), 82.0% (123), and 34.7% (52), respectively. The median concentrations were 1.56, 0.03, 0.07, 0.03, 0.93 and 0.03 μg/ml, respectively. The detection rates of p,p'-DDT, o,p'-DDT, p,p'-DDD, o,p'-DDD, p,p'-DDE and o,p'-DDE in the cord blood samples were 69.3% (104), 10.7% (16), 29.3% (44), 20.7% (31), 81.3% (122) and 45.3% (68), and the median concentrations were 0.41, 0.03, 0.03, 0.03, 0.42 and 0.03 μg/ml, respectively. The concentration ranges in the low and high DDT concentration groups which contained 75 respondents respectively were 0-3.69 and 3.74-82.09 μg/ml, respectively. In the single-factor analysis, the number (percentage) of those who consumed seafood " rarely" , "less than twice a week" , and " twice a week or more" was 15 (20.3%), 22 (29.7%), and 37 (50.0%), respectively, in the low concentration group, and 4(5.3%), 20(26.7% ), and 51(68.0% ) in the high concentration group (χ2=8.69, P=0.013). The results of the multivariate logistic regression analysis indicate that pregnant women who consume seafood less than twice a week, twice a week or more have higher peripheral blood DDT concentrations compared with those who rarely consume seafood. The OR (95% CI) values were 1.14 (1.08-1.21), 2.11 (1.55-2.85), respectively. Conclusion: The exposure level of pregnant women to DDTs in the Xiamen area is higher than that of women in other regions. High seafood intake is a risk factor for internal exposure to DDTs.
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Affiliation(s)
- X S Yu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Department of Preventive Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
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20
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Jin M, Guo MY, Han L, Li JL, Yang SY, Su YH. Transcriptome analysis of potential simple sequence repeat markers in Ammopiptanthus mongolicus. Genet Mol Res 2016; 15:gmr8581. [PMID: 27706655 DOI: 10.4238/gmr.15038581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Ammopiptanthus mongolicus, an evergreen broadleaf legume shrub, can survive under conditions of high and low temperature, extreme salinity, and drought. This attribute makes it an ideal model for studying mechanisms of stress tolerance in plants. However, simple sequence repeat (SSR) resources for this species are insufficient in public databases. In this study, a total of 44,959 unigenes identified from the A. mongolicus transcriptome were used for SSR analysis by MIcroSAtellite (MISA). A total of 13,859 SSRs were found to be distributed within 10,409 unigenes, with an average length of 15 bp and an average density of one SSR per 4.4 kb. There were 222 different motif types in the A. mongolicus transcriptome, and mononucleotide repeats represented the main type, accounting for 44.2% of all SSRs. The (A/T)n repeat was the most frequent motif, accounting for 42.37% of all SSRs. We also performed Gene Ontology functional analysis, Kyoto Encyclopedia of Genes and Genomes database pathway analysis, and eggNOG analysis, and identified 6157, 2301, and 9845 unigenes containing SSRs in these three databases, respectively. The functional categorization of A. mongolicus unigenes containing SSRs revealed that these unigenes represent many transcribed genes with different functions. These data provide sequence information that may be used to improve molecular-assisted markers for the study A. mongolicus genetic diversity.
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Affiliation(s)
- M Jin
- State Key Laboratory of Soil and Sustainable Agriculture/Institute of Soil Science Chinese Academy of Sciences, Nanjing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - M Y Guo
- State Key Laboratory of Soil and Sustainable Agriculture/Institute of Soil Science Chinese Academy of Sciences, Nanjing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - L Han
- State Key Laboratory of Soil and Sustainable Agriculture/Institute of Soil Science Chinese Academy of Sciences, Nanjing, China
| | - J L Li
- Forestry College, Nanjing Forestry University, Nanjing, China
| | - S Y Yang
- State Key Laboratory of Soil and Sustainable Agriculture/Institute of Soil Science Chinese Academy of Sciences, Nanjing, China
| | - Y H Su
- State Key Laboratory of Soil and Sustainable Agriculture/Institute of Soil Science Chinese Academy of Sciences, Nanjing, China
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Abstract
Sugars acting as fuel energy or as signaling molecules play important roles in plant growth and development. Although sugars associated with early seedling development have been analyzed in detail, few studies have examined the effect of sugar on genome-wide gene transcription. To analyze the role of glucose on the genomic level, we examined the response of seedlings to 5% glucose using RNA-seq technology. High concentrations of glucose significately altered the expression of 863 genes, with 558 upregulated and 305 downregulated genes by more than 2-fold. A large number of genes affected by glucose were involved in metabolic processes and signaling. Transcript levels for many kinases and calcium signals were downregulated. Most transcription factors identified were also involved in glucose signaling. Moreover, many genes related to the auxin, gibberellin, and abscisic acid responses were upregulated or downregulated. Additionally, the K(+), Ca(2+), SO3(-), NO3(-), PO4(3-), amino acid, and sugar transporters were also upregulated or downregulated. These results provide a basic understanding of the glucose-mediated molecular mechanisms in the regulation of early seedling development.
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Affiliation(s)
- L Han
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
| | - J L Li
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
| | - M Jin
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
| | - Y H Su
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
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22
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Sung KB, Shih KW, Hsu FW, Hsieh HP, Chuang MJ, Hsiao YH, Su YH, Tien GH. Accurate extraction of optical properties and top layer thickness of two-layered mucosal tissue phantoms from spatially resolved reflectance spectra. J Biomed Opt 2014; 19:77002. [PMID: 25027003 DOI: 10.1117/1.jbo.19.7.077002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Accepted: 06/17/2014] [Indexed: 05/11/2023]
Abstract
We are reporting on an experimental investigation of a movable diffuse reflectance spectroscopy system to extract diagnostically relevant optical properties of two-layered tissue phantoms simulating mucosae that are covered with stratified squamous epithelium. The reflectance spectra were measured at multiple sourcedetector separations using two imaging fiber bundles in contact with the phantoms, one with its optical axis perpendicular to the sample surface (perpendicular probe) and the other with its distal end beveled and optical axis tilted at 45 deg (oblique probe). Polystyrene microspheres and purified human hemoglobin were used to make tissue phantoms whose scattering and absorption properties could be well controlled and theoretically predicted. Monte Carlo simulations were used to predict the reflectance spectra for system calibration and an iterative curve fitting that simultaneously extracted the top layer reduced scattering coefficient, thickness, bottom layer reduced scattering coefficient, and hemoglobin concentration of the phantoms. The errors of the recovered parameters ranged from 7% to 20%. The oblique probe showed higher accuracy in the extracted top layer reduced scattering coefficient and thickness than the perpendicular probe. The developed system and data analysis methods provide a feasible tool to quantify the optical properties in vivo.
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Affiliation(s)
- Kung-Bin Sung
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, TaiwanbNational Taiwan University, Department of Electrical Engineering, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Tai
| | - Kuang-Wei Shih
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan
| | - Fang-Wei Hsu
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan
| | - Hong-Po Hsieh
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan
| | - Min-Jie Chuang
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan
| | - Yi-Hsien Hsiao
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan
| | - Yu-Hui Su
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan
| | - Gen-Hao Tien
- National Taiwan University, Graduate Institute of Biomedical Electronics and Bioinformatics, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan
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Su CW, Lei HJ, Chau GY, Hung HH, Wu JC, Hsia CY, Lui WY, Su YH, Wu CW, Lee SD. The effect of age on the long-term prognosis of patients with hepatocellular carcinoma after resection surgery: a propensity score matching analysis. ACTA ACUST UNITED AC 2011; 147:137-44. [PMID: 22006855 DOI: 10.1001/archsurg.2011.288] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVE The effect of age on the clinicopathologic manifestations of hepatocellular carcinoma (HCC) and on the survival rate in patients with HCC after resection surgery remains controversial. We aim to compare the clinicopathological features and prognoses between younger and older patients with HCC undergoing resection. DESIGN Retrospective review. SETTING A tertiary medical center. PATIENTS We enrolled 1074 consecutive patients with HCC who were undergoing a partial hepatectomy. Patients who were 55 years of age or younger were defined as the younger group (n = 374), and patients who were older than 55 years of age were defined as the older group (n = 700). MAIN OUTCOME MEASURES The postoperative prognoses of the younger and older groups using multivariate analysis and propensity score matching analysis. RESULTS The younger patients had better liver functional reserve but more aggressive tumor factors than did the older patients. After a median follow-up of 41.0 months, 543 patients died. The cumulative 10-year survival rates were 41.3% in younger patients and 28.8% in the older patients (P = .02). However, using both multivariate analysis and propensity score matching analysis, we failed to demonstrate that age was an independent risk factor associated with overall survival. Besides, there were 643 patients with tumor recurrence after surgery. Using both multivariate analysis and propensity score matching analysis, we found that the incidence of tumor recurrence in younger patients was comparable to that in the older patients. CONCLUSIONS Age is not a risk factor to determine the prognosis of patients with HCC who underwent resection. Older patients with HCC who have good liver functional reserve are encouraged to receive resection surgery.
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Affiliation(s)
- Chien-Wei Su
- Division of Gastroenterology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
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24
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Hung HH, Chiou YY, Hsia CY, Su CW, Chou YH, Chiang JH, Kao WY, Huo TI, Huang YH, Su YH, Lin HC, Lee SD, Wu JC. Survival rates are comparable after radiofrequency ablation or surgery in patients with small hepatocellular carcinomas. Clin Gastroenterol Hepatol 2011; 9:79-86. [PMID: 20831902 DOI: 10.1016/j.cgh.2010.08.018] [Citation(s) in RCA: 127] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2010] [Revised: 08/12/2010] [Accepted: 08/20/2010] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Differences in efficacy of radiofrequency ablation (RFA) and surgical resection (SR) are not clear for patients with hepatocellular carcinoma (HCC). METHODS From 2002 to 2007, 419 patients with HCCs ≤5 cm were enrolled consecutively in the study. Among these patients, 190 and 229 patients received RFA and SR, respectively, as their first treatment. Factors were analyzed in terms of overall survival and recurrence by multivariate analysis and propensity score matching analysis. RESULTS The SR group had younger age, a higher male-to-female ratio, higher prevalence of hepatitis B virus, lower prevalence of hepatitis C virus, better liver function reserve, and larger tumor size than the RFA group. The cumulative 5-year overall survival rates were 79.3% in the SR group and 67.4% in the RFA group. During the follow-up period, tumors recurred in 244 patients in a median time of 14.5 ± 15.7 months. Before propensity-score matching, the RFA group had shorter overall survival time (P = .009) and higher tumor recurrence rate (P < .001) than the SR group. After matching, RFA was comparable to SR in overall survival time (P = .519), but the RFA group still had a greater incidence of tumor recurrence (P < .001). In patients with Barcelona Clinic Liver Cancer (BCLC) stage 0 HCC, RFA was as effective as SR for overall survival time and recurrence. CONCLUSIONS Patients with small HCCs have a higher rate of tumor recurrence following RFA than surgery, but overall survival rates are comparable between therapies. RFA is as effective as surgery in patients with BCLC stage 0 HCC.
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Affiliation(s)
- Hung-Hsu Hung
- Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
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25
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Su YH, Qi ZT, Ding SZ. [Effect of high-fat diet and endurance training on the activity of rats' myocardial anti-superoxide anion radicals and calcineurin]. Zhongguo Ying Yong Sheng Li Xue Za Zhi 2009; 25:504-547. [PMID: 21158044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Abstract
The hyperaccumulator Pteris vittata translocates arsenic (As) from roots to fronds efficiently, but the form of As translocated in xylem and the main location of arsenate reduction have not been resolved. Here, P. vittata was exposed to 5 microM arsenate or arsenite for 1-24 h, with or without 100 microM phosphate. Arsenic speciation was determined in xylem sap, roots, fronds and nutrient solutions by high-performance liquid chromatography (HPLC) linked to inductively coupled plasma mass spectrometry (ICP-MS). The xylem sap As concentration was 18-73 times that in the nutrient solution. In both arsenate- and arsenite-treated plants, arsenite was the predominant species in the xylem sap, accounting for 93-98% of the total As. A portion of arsenate taken up by roots (30-40% of root As) was reduced to arsenite rapidly. The majority (c. 80%) of As in fronds was arsenite. Phosphate inhibited arsenate uptake, but not As translocation. More As was translocated to fronds in the arsenite-treated than in the arsenate-treated plants. There was little arsenite efflux from roots to the external solution. Roots are the main location of arsenate reduction in P. vittata. Arsenite is highly mobile in xylem transport, possibly because of efficient xylem loading, little complexation with thiols in roots, and little efflux to the external medium.
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Affiliation(s)
- Y H Su
- Soil Science Department, Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
- Department of Chemistry, Xinjiang University, Tianshan, Urumqi 830046, China
| | - S P McGrath
- Soil Science Department, Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
| | - Y G Zhu
- Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - F J Zhao
- Soil Science Department, Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
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Zuo B, Xiong YZ, Su YH, Deng CY, Lei MG, Li FE, Zheng R, Jiang SW. QTL analysis of production traits on SSC3 in a Large White×Meishan pig resource family. S AFR J ANIM SCI 2006. [DOI: 10.4314/sajas.v36i2.3994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abstract
An abdominal pseudocyst is a rare, but important complication in patients with a ventriculo-peritoneal (VP) shunt insertion. Several predisposing factors for this complication have been suggested, including infection, obstruction or dislodgement, but the pathophysiology is still unknown. However, the abdominal inflammatory process is accepted widely as a hypothesis for the formation of an abdominal pseudocyst. In this study, we report the case of a 21-year-old male that presented with a high-grade fever, poor appetite, shortness of breath and unconsciousness 1 week after receiving a VP shunt insertion for obstructive hydrocephalus. Ultrasonography and computed tomographic scans of the abdomen revealed a well-defined large hepatic cyst surrounding the peritoneal tube of the VP shunt. A hepatic cerebrospinal fluid (CSF) cyst was diagnosed and Staphylococcus epidermis was cultured via CSF. After externalization of the VP shunt and adequate antibiotic treatment, the hepatic cyst was resolved. There was no recurrence observed in the regular follow up.
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Affiliation(s)
- C T Hsieh
- Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
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29
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Lin SJ, Chen YR, Su YH, Tseng HI, Chen SH. Determination of indomethacin in plasma by micellar electrokinetic chromatography with UV detection for premature infants with patent ducts arteriosus. J Chromatogr B Analyt Technol Biomed Life Sci 2006; 830:306-13. [PMID: 16321577 DOI: 10.1016/j.jchromb.2005.11.007] [Citation(s) in RCA: 17] [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] [Received: 01/26/2005] [Revised: 07/20/2005] [Accepted: 11/06/2005] [Indexed: 11/17/2022]
Abstract
A simple and selective micellar electrokinetic chromatography (MEKC) is described for determination of indomethacin in plasma. Plasma proteins are precipitated by acetonitrile. An aliquot of supernatant was evaporated and reconstituted with Tris buffer for MEKC analysis. The separation of indomethacin was performed at 25 degrees C using a background electrolyte consisting of Tris buffer (30 mM; pH 8.0) with 100 mM sodium octanesulfonate (SOS) as an anionic surfactant. Under this condition, a good separation with high efficiency and short analysis time is achieved. Several parameters affecting the separation of indomethacin were studied, including pH and concentrations of the Tris buffer and SOS. The linear range of the method for the determination of indomethacin was over 0.3-10.0 microg/mL; the detection limit (signal-to-noise ratio=3; injection 0.5 psi 5s) was 0.1 microg/mL. The proposed method for determination of indomethacin in premature infants with patent ducts arteriosus has been demonstrated.
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MESH Headings
- Administration, Oral
- Anti-Inflammatory Agents, Non-Steroidal/administration & dosage
- Anti-Inflammatory Agents, Non-Steroidal/blood
- Calibration
- Chromatography, Micellar Electrokinetic Capillary/instrumentation
- Chromatography, Micellar Electrokinetic Capillary/methods
- Ductus Arteriosus, Patent/blood
- Ductus Arteriosus, Patent/drug therapy
- Humans
- Indomethacin/administration & dosage
- Indomethacin/blood
- Indomethacin/standards
- Infant, Newborn
- Infant, Premature
- Reference Standards
- Reproducibility of Results
- Spectrophotometry, Ultraviolet/methods
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Affiliation(s)
- Shun-Jin Lin
- Graduate Institute of Pharmaceutical Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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30
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Zuo B, Xiong YZ, Deng CY, Su YH, Wang J, Lei MG, Li FE, Jiang SW, Zheng R. Polymorphism, linkage mapping and expression pattern of the porcine skeletal muscle glycogen synthase (GYS1) gene. Anim Genet 2005; 36:254-7. [PMID: 15932409 DOI: 10.1111/j.1365-2052.2005.01286.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [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: 12/01/2022]
Abstract
The glycogen synthase gene (GYS1), which encodes the rate-limiting enzyme for glycogen synthesis of skeletal muscle, is a promising candidate gene for traits related to skeletal muscle in pigs. In this study, a G/A single nucleotide polymorphism in GYS1 intron 7 detected as a FokI PCR-restriction fragment length polymorphism (PCR-RFLP) showed allele frequency differences among five Chinese indigenous pig breeds and three western commercial pig breeds. Linkage analysis assigned the gene GYS1 to marker interval SW1302-SW1473 on SSC6 in a three-generation Meishan X Large White reference family. The results of association analysis and interval mapping suggested that the FokI PCR-RFLP polymorphism might be linked with the quantitative trait loci affecting carcass traits detected on SSC6 in the F2 intercross pedigree. The reverse transcriptase-polymerase chain reaction revealed that the porcine GYS1 gene was expressed in spleen, lung, liver, kidney, small intestine, skeletal muscle, heart and stomach, with the highest expression in skeletal muscle.
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Affiliation(s)
- B Zuo
- Key Laboratory of Swine Genetics and Breeding, Ministry of Agriculture, College of Animal Science and Veterinary Medicine, Huazhong Agriculture University, Wuhan 430070, China
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31
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Abstract
LIM domain proteins are important regulators of the growth, determination and differentiation of cells. Four-and-a-half LIM-only protein 3 (FHL3) is a type of LIM-only protein that contains four tandemly repeated LIM motifs with an N-terminal single zinc finger (half LIM motif). In this study, we have determined the complete coding sequence of pig FHL3 which encodes a 280 amino acid protein. The coding region of the pig FHL3 gene is organized in five exons and spans an approximately 2.1-kb genomic region. Comparative sequencing of six pig breeds revealed three single nucleotide polymorphisms (SNPs) within exon 2 of which an A-->G substitution at position 313 changes a codon for arginine into a codon for glycine. The substitution was situated within a PstI recognition site and developed as a PCR-RFLP marker for further use in population variation investigations and association analysis. The A/G polymorphism was segregating only in Landrace pigs. Association studies of the FHL3 polymorphism with carcass traits provided preliminary evidence that the PstI PCR-restriction fragment length polymorphism (RFLP) genotype may be associated with variation in several carcass traits of interest for pig breeding. Further investigations in more Landrace pigs are needed to confirm this.
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Affiliation(s)
- B Zuo
- Key Laboratory of Swine Genetics and Breeding, Ministry of Agriculture, College of Animal Science and Veterinary Medicine, Huazhong Agriculture University, Wuhan, 430070, China
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32
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Su YH, Lu SL, Gu YH, Zhu TF, Zhu SN. In situ RT-PCR detection of hepatitis C virus genotypes in Chinese patients with hepatocellular carcinoma. J Exp Clin Cancer Res 2002; 21:591-8. [PMID: 12636107] [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: 03/01/2023]
Abstract
The correlation of hepatitis C virus genotypes and the development of hepatocellular carcinoma is still controversial. The most pertinent studies are conducted by seroepidemiological methods. It has been suggested that tissue RT-PCR may be more efficient than serological testing for hepatitis C virus RNA. The purpose of this study was to investigate the infectious status of hepatitis C virus genotypes in hepatocellular carcinoma tissue for revealing the role of hepatitis C virus genotypes in carcinogenesis of hepatocellular carcinoma. Hepatitis C virus genotypes in cancerous and noncancerous liver tissues of 95 Chinese patients with hepatocellular carcinoma were analyzed by a modified type-specific in situ reverse transcription polymerase chain reaction (RT-PCR) method. Hepatitis C virus genotypes were simultaneously examined by Okamoto's method using extracts from hepatocellular carcinoma tissues. The hepatitis C virus genotypes in hepatocellular carcinoma tissues were found including 1b, 2a, mixed type (1b+2a) and 3a in 13, 23, 2 and 4 samples respectively. There was no significant difference in either the positivities between 1b (13.7%, 13/95) and 2a (24.2%, 23/95) (P>0.05) or the staining intensity and distribution of positive cells between 1b and 2a (p>0.05). No statistically significant difference was found between the two virus genotypes in main clinico-pathologic parameters of hepatocellular carcinoma. The localizations of hepatitis C virus RNA-positive signals were mainly cytoplasmic (22/36) in noncancerous regions, but nucleocytoplasmic (19/36) or nuclear (3/36) in cancerous regions. The positive nucleocytoplasmic/nuclear signals of genotype 1b (11/13) in hepatocellular carcinoma were seen more frequently than those of genotype 2a (11/23) (P<0.05). The discordant hepatitis C virus 2a and 1b positivities in serum samples and in cancerous tissues of hepatocellular carcinoma patients were also found, suggesting that the detection of serum hepatitis C virus genotypes in the patients with hepatocellular carcinoma may not reflect the actual status of hepatitis C virus genotypes in cancerous tissue. The pathogenetic significance of existence of hepatitis C virus gene in the nucleus of hepatocytes and malignant cells needs further investigation.
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Affiliation(s)
- Y H Su
- Dept. of Pathology, Shangai Medical College, Fudan University, Shanghai, China
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Lu YT, Hou HG, Su YH, Xu PY. [Identification of medicinal plant Xanthium L. produced in China]. Zhongguo Zhong Yao Za Zhi 2001; 26:17-20. [PMID: 12525113] [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: 02/28/2023]
Abstract
OBJECTIVE To gain a clear idea on the resources and pharmacognostic identification of medicinal plant Xanthium in China. METHOD Identification of botanical origin, analysis of fruit shapes and properties, microscopic characteristics, TLC and UV. RESULT Identification criteria have been worked out for Xanthium and its confused species. CONCLUSION The resources of medicinal plant Xanthium may be appropriately expanded.
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Affiliation(s)
- Y T Lu
- Baiyin Municipal Institute for Drug Control, Baiyin 730900, Gansu, China
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Su YH, Moxley M, Kejariwal R, Mehta A, Fraser NW, Block TM. The HSV 1 genome in quiescently infected NGF differentiated PC12 cells can not be stimulated by HSV superinfection. J Neurovirol 2000; 6:341-9. [PMID: 10951558 DOI: 10.3109/13550280009030760] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [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: 11/13/2022]
Abstract
This study reports that quiescent herpes simplex virus (HSV) type 1 genomes, persisting in long-term infected nerve growth factor (NGF) differentiated PC12 cells, were not stimulated by superinfection with a HSV-1. We have previously shown that HSV-1 can establish long term, quiescent infections in NGF differentiated PC12 cells. To determine if virion associated factors or virus induced gene products could trans-activate the quiescent viral genomes, long term infected PC12 cell cultures were superinfected at a high moi (moi of 20) with a recombinant HSV 17alpha47/lacZ that contains the lacZ gene within the alpha 47 locus. Progeny virus and gene expression from the resident 'quiescent' viral genomes were not detected following superinfection with recombinant 17alpha47/lacZ. The failure to stimulate the quiescent genome appears to be related to the inability of the super infecting virus to induce any gene expression from its own genome following entry into the long term NGF treated PC12 cells. Interestingly, both primary and superinfecting viruses could be stimulated from the quiescently infected cultures following cocultivation with inducer cells. These data suggest that (i) HSV genomes in quiescently infected PC12 cells are unable to be stimulated by incoming virion associated factors and (ii) NGF differentiated PC12 cells maintained in tissue culture for longer than 3 weeks became completely refractory to viral gene expression. The possibilities that these results are reflective of populations of neural cells, in vivo in mouse central nervous system, which are completely refractory to virus gene expression, yet accommodating to the maintenance of viral genomes and thus favor 'latency', are discussed.
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Affiliation(s)
- Y H Su
- Jefferson Center for Biomedical Research of Thomas Jefferson University, 700 E. Butler Ave., Doylestown, Pennsylvania, PA 18901-2697, USA
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Tsai YT, Su YH, Fang SS, Huang TN, Qiu Y, Jou YS, Shih HM, Kung HJ, Chen RH. Etk, a Btk family tyrosine kinase, mediates cellular transformation by linking Src to STAT3 activation. Mol Cell Biol 2000; 20:2043-54. [PMID: 10688651 PMCID: PMC110821 DOI: 10.1128/mcb.20.6.2043-2054.2000] [Citation(s) in RCA: 113] [Impact Index Per Article: 4.7] [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: 11/20/2022] Open
Abstract
Etk (also called Bmx) is a member of the Btk tyrosine kinase family and is expressed in a variety of hematopoietic, epithelial, and endothelial cells. We have explored biological functions, regulators, and effectors of Etk. Coexpression of v-Src and Etk led to a transphosphorylation on tyrosine 566 of Etk and subsequent autophosphorylation. These events correlated with a substantial increase in the kinase activity of Etk. STAT3, which was previously shown to be activated by Etk, associated with Etk in vivo. To investigate whether Etk could mediate v-Src-induced activation of STAT3 and cell transformation, we overexpressed a dominant-negative mutant of Etk in an immortalized, untransformed rat liver epithelial cell line, WB, which contains endogenous Etk. Dominant-negative inactivation of Etk not only blocked v-Src-induced tyrosine phosphorylation and activation of STAT3 but also caused a great reduction in the transforming activity of v-Src. In NIH3T3 cells, although Etk did not itself induce transformation, it effectively enhanced the transforming ability of a partially active c-Src mutant (c-Src378G). Furthermore, Etk activated STAT3-mediated gene expression in synergy with this Src mutant. Our findings thus indicate that Etk is a critical mediator of Src-induced cell transformation and STAT3 activation. The role of STAT3 in Etk-mediated transformation was also examined. Expression of Etk in a human hepatoma cell line Hep3B resulted in a significant increase in its transforming ability, and this effect was abrogated by dominant-negative inhibition of STAT3. These data strongly suggest that Etk links Src to STAT3 activation. Furthermore, Src-Etk-STAT3 is an important pathway in cellular transformation.
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Affiliation(s)
- Y T Tsai
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
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Chen RH, Chang MC, Su YH, Tsai YT, Kuo ML. Interleukin-6 inhibits transforming growth factor-beta-induced apoptosis through the phosphatidylinositol 3-kinase/Akt and signal transducers and activators of transcription 3 pathways. J Biol Chem 1999; 274:23013-9. [PMID: 10438468 DOI: 10.1074/jbc.274.33.23013] [Citation(s) in RCA: 192] [Impact Index Per Article: 7.7] [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: 11/06/2022] Open
Abstract
The multifunctional cytokine interleukin-6 (IL-6) regulates growth and differentiation of many cell types and induces production of acute-phase proteins in hepatocytes. Here we report that IL-6 protects hepatoma cells from apoptosis induced by transforming growth factor-beta (TGF-beta), a well known apoptotic inducer in liver cells. Addition of IL-6 blocked TGF-beta-induced activation of caspase-3 while showing no effect on the induction of plasminogen activator inhibitor-1 and p15(INK4B) genes, indicating that IL-6 interferes with only a subset of TGF-beta activities. To further elucidate the mechanism of this anti-apoptotic effect of IL-6, we investigated which signaling pathway transduced by IL-6 is responsible for this effect. IL-6 stimulation of hepatoma cells induced a rapid tyrosine phosphorylation of the p85 subunit of phosphatidylinositol 3-kinase (PI 3-kinase) and its kinase activity followed by the activation of Akt. Inhibition of PI 3-kinase by wortmannin or LY294002 abolished the protection of IL-6 against TGF-beta-induced apoptosis. A dominant-negative Akt also abrogated this anti-apoptotic effect. Dominant-negative inhibition of STAT3, however, only weakly attenuated the IL-6-induced protection. Finally, inhibition of both STAT3 and PI 3-kinase by treating cells overexpressing the dominant-negative STAT3 with LY294002 completely blocked IL-6-induced survival signal. Thus, concomitant activation of the PI 3-kinase/Akt and the STAT3 pathways mediates the anti-apoptotic effect of IL-6 against TGF-beta, with the former likely playing a major role in this anti-apoptosis.
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Affiliation(s)
- R H Chen
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
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Su YH, Meegalla RL, Chowhan R, Cubitt C, Oakes JE, Lausch RN, Fraser NW, Block TM. Human corneal cells and other fibroblasts can stimulate the appearance of herpes simplex virus from quiescently infected PC12 cells. J Virol 1999; 73:4171-80. [PMID: 10196313 PMCID: PMC104196 DOI: 10.1128/jvi.73.5.4171-4180.1999] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [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: 11/20/2022] Open
Abstract
A two-cell system for the stimulation of herpes simplex virus type 1 (HSV-1) from an in vitro model of long-term (quiescent) infection is described. Rat pheochromocytoma (PC12) cells differentiated with nerve growth factor were infected with HSV-1 strain 17. Little, if any, cytotoxicity was observed, and a quiescent infection was established. The long-term infection was characterized by the absence of all detectable virus in the culture medium and little, if any, detectable early or late viral-gene expression as determined by reverse transcriptase PCR analysis. The presence of HSV-1 DNA was determined by PCR analysis. This showed that approximately 180 viral genomes were present in limiting dilutions where as few as 16 cells were examined. The viral DNA was infectious, since cocultivation with human corneal fibroblasts (HCF) or human corneal epithelial cells (HCE) resulted in recovery of virus from most, if not all, clusters of PC12 cells. Following cocultivation, viral antigens appeared first on PC12 cells and then on neighboring inducing cells, as determined by immunofluorescent staining, demonstrating that de novo viral protein synthesis first occurred in the long-term-infected PC12 cells. Interestingly, the ability to induce HSV varied among the cell lines tested. For example, monkey kidney CV-1 cells and human hepatoblastoma HepG2 cells, but not mouse neuroblastoma cells or undifferentiated PC12 cells, mediated stimulation. This work thus shows that (i) quiescent HSV infections can be maintained in PC12 cells in vitro, (ii) HSV can be induced from cells which do not accumulate significant levels of latency-associated transcripts, and (iii) the activation of HSV gene expression can be induced via neighboring cells. The ability of adjacent cells to stimulate HSV gene expression in neuron-like cells represents a novel area of study. The mechanism(s) whereby HCF, HCE, and HepG2 and CV-1 cells communicate with PC12 cells and stimulate viral replication, as well as how this system compares with other in vitro models of long-term infection, is discussed.
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Affiliation(s)
- Y H Su
- Department of Biochemistry and Molecular Pharmacology, Jefferson Center for Biomedical Research of Thomas Jefferson University, Doylestown, Pennsylvania, USA
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Chen RH, Su YH, Chuang RL, Chang TY. Suppression of transforming growth factor-beta-induced apoptosis through a phosphatidylinositol 3-kinase/Akt-dependent pathway. Oncogene 1998; 17:1959-68. [PMID: 9788439 DOI: 10.1038/sj.onc.1202111] [Citation(s) in RCA: 148] [Impact Index Per Article: 5.7] [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: 12/12/2022]
Abstract
Insulin and insulin receptor substrate 1 (IRS-1) are capable of protecting liver cells from apoptosis induced by transforming growth factor-beta1 (TGF-beta). The Ras/mitogen-activated protein kinase (MAP kinase) and the phosphatidylinositol 3-kinase (PI 3-kinase)/Akt pathways are both activated upon insulin stimulation and can protect against apoptosis under certain circumstances. We investigated which of these pathways is responsible for the protective effect of insulin on TGF-beta-induced apoptosis. An activated Ras, although elicited a strong mitogenic effect, could not protect Hep3B cells from TGF-beta-induced apoptosis. Furthermore, PD98059, a selective inhibitor of MEK, did not suppress the antiapoptotic effect of insulin. In contrast, the PI 3-kinase inhibitor, LY294002, efficiently blocked the effect of insulin. Protection against TGF-beta-induced apoptosis conferred by PI 3-kinase was further verified by stable transfection of an activated PI 3-kinase. Downstream targets of PI 3-kinase involved in this protection was further investigated. An activated Akt mimicked the antiapoptotic effect of insulin, whereas a dominant-negative Akt inhibited such effect. However, rapamycin, the p70S6 kinase inhibitor, had no effect on the protectivity of insulin against TGF-beta-induced apoptosis, suggesting that the antiapoptotic target of PI 3-kinase/Akt pathway is independent or lies upstream of the p70S6 kinase. The mechanism by which PI 3-kinase/Akt pathway interferes with the apoptotic signaling of TGF-beta was explored. Activation of PI 3-kinase did not lead to a suppression of Smad hetero-oligomerization or nuclear translocation but blocked TGF-beta-induced caspase-3-like activity. In summary, the PI 3-kinase/Akt pathway, but not the Ras/MAP kinase pathway, protects against TGF-beta-induced apoptosis by inhibiting a step downstream of Smad but upstream of caspase-3.
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Affiliation(s)
- R H Chen
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, Taipei
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Abstract
We previously have shown that two latency-associated transcripts (LATs) of herpes simplex type 1 (HSV-1) are probably lariats, produced during splicing. By RNaseH digestion analysis, we now show that the major branchpoint of the 2.0-kb LAT was within 46 nt 5' of the splice acceptor site. A more detailed mapping by primer extension revealed the branchpoint as an adenosine 29 nt 5' of the splice acceptor site. Introduction of two branchpoint sequences with good matches to the consensus at position -25 had no effect on the splicing efficiency but reduced the accumulation of the 2.0-kb LATs at least 90-fold. The second focus of our studies was the 1.5-kb LAT. It was not detected by Northern analyses in either productively infected or transfected cultured cells or even in cells of neuronal origin. However, it was detected in the trigeminal ganglia of mice experimentally infected with HSV-1 after 10 days. Moreover, its abundance relative to that of the 2.0-kb species increased 4-fold from 10 to 30 days after infection, consistent with an interpretation that the 1.5-kb species, once formed, was more stable than the 2.0-kb species.
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Affiliation(s)
- T T Wu
- Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111-2497, USA
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Hill JM, Garza HH, Su YH, Meegalla R, Hanna LA, Loutsch JM, Thompson HW, Varnell ED, Bloom DC, Block TM. A 437-base-pair deletion at the beginning of the latency-associated transcript promoter significantly reduced adrenergically induced herpes simplex virus type 1 ocular reactivation in latently infected rabbits. J Virol 1997; 71:6555-9. [PMID: 9261376 PMCID: PMC191932 DOI: 10.1128/jvi.71.9.6555-6559.1997] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [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: 02/05/2023] Open
Abstract
In this study we used a herpes simplex virus type 1 (HSV-1) deletion mutant to identify a segment of the genome necessary for epinephrine-induced reactivation in the rabbit eye model of herpetic recurrent disease. In HSV-1 latently infected neural tissue, the only abundant viral products are the latency-associated transcripts (LATs). At least one promoter of LAT has been identified, and mutations in the LAT domain have been used to investigate HSV-1 reactivation. We used an ocular rabbit model of epinephrine-induced HSV-1 reactivation to study the effects of deleting a 437-bp region beginning 796 bp upstream of the LAT CAP site. Specifically, the 437-bp deletion is located between genomic positions 118006 and 118443 of the parent 17Syn+, and the construct is designated 17 delta S/N. This region also controls a portion of the genome encoding two transcripts (1.1 and 1.8 kb) from the LAT domain. A rescuant, 17 delta S/N-Res, was constructed from 17 delta S/N. Following ocular infection, all three viruses produced similar acute dendritic lesions in rabbits. Five weeks after infection, rabbits received transcorneal iontophoresis of epinephrine. The parent, 17Syn+, and the rescuant, 17 delta S/N-Res, underwent a high frequency of HSV-1 ocular reactivation as determined by recovery of infectious virus in the tear film. Rabbits infected with 17 delta S/N had a significantly lower frequency of ocular reactivation. Analysis of the trigeminal ganglia from all three groups of latently infected rabbits revealed (i) similar amounts of HSV DNA (genomic equivalents), (ii) accumulation of 2.0- and 1.45-kb LATs, and (iii) explant reactivation at the same high frequency. Therefore, these studies indicate that the 437-bp deleted region in 17 delta S/N is essential for epinephrine-induced reactivation and could implicate the 1.1- and 1.8-kb transcripts in the mechanisms controlling HSV-1 reactivation.
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Affiliation(s)
- J M Hill
- LSU Eye Center, Louisiana State University School of Medicine, New Orleans 70112-2234, USA.
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Maggioncalda J, Mehta A, Su YH, Fraser NW, Block TM. Correlation between herpes simplex virus type 1 rate of reactivation from latent infection and the number of infected neurons in trigeminal ganglia. Virology 1996; 225:72-81. [PMID: 8918535 DOI: 10.1006/viro.1996.0576] [Citation(s) in RCA: 84] [Impact Index Per Article: 3.0] [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: 02/03/2023]
Abstract
The presence of wild-type herpes simplex virus type 1 (HSV-1) and several latency associated transcript (LAT) region mutants within the trigeminal ganglia (TG) of latently infected mice was examined. A combination of methods including conventional in situ hybridization to detect viral LAT and an in situ DNA polymerase chain reaction (PCR) to detect viral DNA was used. These data show that, for all virus strains in which a comparison was possible, the population of neurons expressing detectable levels of LAT was approximately one-third the total number of viral DNA-containing cells. In addition, in situ PCR analysis revealed that mutants such as 17 delta Sty. 17 delta BstE, and 17 delta S/N, which contain deletions within the LAT locus which do not affect the kinetics of viral reactivation from explanted murine TG, are present in as many neurons as wild-type virus. This was true regardless of the ability to induce accumulation of intact 2.0-kb LAT. On the other hand, mutant 17 delta N/H, which contains a deletion removing the LAT promoter and surrounding genomic region and reactivates slowly from explanted TG, was present in only one-sixth as many neurons as wild-type virus. These data show that detection of mutants unable to synthesize or accumulate 2.0-kb LAT (such as 17 delta N/H) is possible with in situ DNA PCR and that the slow reactivation phenotype of 17 delta N/H correlates with a reduced number of HSV DNA-containing neurons.
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Affiliation(s)
- J Maggioncalda
- Kimmel Cancer Institute, Thomas Jefferson University College of Medicine, Philadelphia, Pennsylvania 19107-6799, USA
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Hill JM, Maggioncalda JB, Garza HH, Su YH, Fraser NW, Block TM. In vivo epinephrine reactivation of ocular herpes simplex virus type 1 in the rabbit is correlated to a 370-base-pair region located between the promoter and the 5' end of the 2.0 kilobase latency-associated transcript. J Virol 1996; 70:7270-4. [PMID: 8794381 PMCID: PMC190787 DOI: 10.1128/jvi.70.10.7270-7274.1996] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [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: 02/02/2023] Open
Abstract
A rabbit ocular model of epinephrine-induced herpes simplex virus type 1 reactivation was employed to study the effect of a deletion in the latency-associated transcript domain. A viral construct derived from 17Syn+, designated 17deltaSty, has a deletion of 370 nucleotides between genomic positions 118880 and 119250. 17deltaSty has been shown to reactivate with wild-type virus kinetics from explants of trigeminal ganglia from latently infected mice. To determine the behavior of this mutant in an in vivo, inducible reactivation system, rabbit corneas were infected with 17Syn+, 17deltaSty, or its rescuant, 17detlaSty-Res. After viral latency was established, transcorneal epinephrine iontophoresis was performed. The rabbits latently infected with 17deltaSty exhibited a significantly reduced ability to undergo adrenergically induced reactivation, i.e., viral shedding in the tears, compared with rabbits infected with either 17Syn+ or 17deltaSty-Res. However, quantitative PCR demonstrated similar numbers of viral genomes in the trigeminal ganglia from rabbits latently infected with all three viruses, and all three viruses reactivated in vitro with wild-type kinetics in an explant cocultivation assay. These studies indicate that the 370-bp region deleted in the 17deltaSty construct plays a role in epinephrine-induced reactivation.
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Affiliation(s)
- J M Hill
- LSU Eye Center, Louisiana State University Medical Center School of Medicine, New Orleans, Louisiana 70112-2234, USA
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Abstract
The latency-associated transcripts (LATs) of herpes simplex virus type 1 (HSV-1) are the only viral gene products that accumulate to abundant levels in latently infected cells. Others have reported species of 2.0, 1.50, and 1.45 kb; only the 2.0-kb species is seen in productively infected cells, and there is evidence that it behaves as an intron. We examined the LATs both in trigeminal ganglia of latently infected mice and in productively infected cultures of monkey CV-1 cells. After glyoxalation, RNA was subjected to high-resolution agarose gel electrophoresis and Northern (RNA) analysis, a procedure capable of resolving linear and nonlinear RNA species. Under these conditions, we resolved the 2.0-kb LAT into two species; the slower species was much more abundant and had a mobility significantly slower than expected for a linear RNA. To test the hypothesis that this RNA was in fact nonlinear, we used partial hydrolysis by sodium carbonate and oligonucleotide-directed RNase H digestion. These procedures changed the mobility of the slower species into that of the faster species. Similarly, the mobility of the 1.50-kb LAT, which was much more abundant than the 1.45-kb LAT, was changed by these procedures to that of the 1.45-kb LAT. Our data show that the two major LAT species are nonlinear, and they support an interpretation of stable lariat structures.
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Affiliation(s)
- T T Wu
- Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111-2497, USA
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Abstract
OBJECTIVE To investigate the relation between androgen excess and insulin resistance in nonobese Chinese women with polycystic ovary syndrome. DESIGN A prospective, controlled study. SETTING School of Clinical Medicine, Nanjing University. SUBJECTS There were three groups: Group 1 (n = 15) comprised nonobese women with polycystic ovary syndrome; Group 2 comprised 12 of these 15 women in whom bilateral wedge resection had been performed six months to one year before enrolling in the study. Group 3 was a control group comprised of 15 normally menstruating women of similar age and body mass index. METHODS An oral glucose (100 g) tolerance test was performed in all women in each group. The areas under the response curve of serum glucose, insulin, C-peptide (C-P), insulin/glucose (I/G) and C-P/insulin (C/I) were calculated by trapezoid rule. RESULTS When fasting the three groups had similar levels of glucose, insulin, C-P, I/G and C/I. During the oral glucose tolerance test women of Group 1 had a significantly higher mean serum area of the curve of glucose, insulin, C-P and I/G levels and lower C/I values, compared with the other two groups. Women of Group 2 and those in the control group showed similar levels of these indices during the oral glucose tolerance test. CONCLUSIONS Androgen excess in women with polycystic ovary syndrome may be responsible for a defect in peripheral insulin sensitivity and hepatic extraction which could be reversed by removing excessive androgens with wedge resection.
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Affiliation(s)
- X K Wu
- Department of Gynaecology, Nanjing Jinling Hospital, People's Republic of China
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Su YH, Yan XT, Oakes JE, Lausch RN. Protective antibody therapy is associated with reduced chemokine transcripts in herpes simplex virus type 1 corneal infection. J Virol 1996; 70:1277-81. [PMID: 8551595 PMCID: PMC189943 DOI: 10.1128/jvi.70.2.1277-1281.1996] [Citation(s) in RCA: 80] [Impact Index Per Article: 2.9] [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: 01/31/2023] Open
Abstract
Herpes simplex virus type 1 (HSV-1) infection on the murine cornea induces an intense inflammatory response which can lead to blindness. This disease, known as herpes stromal keratitis, can be prevented by the timely passive transfer of monoclonal antibody specific for viral glycoprotein D (gD). Precisely how antibody treatment prevents excessive corneal inflammation is not known. In this study we investigated whether chemokine mRNA expression is inhibited by antibody treatment. Total cellular RNAs isolated from normal corneas and at various times after virus infection were analyzed via reverse transcription-PCR for mRNA coding for seven different chemokines. Constitutive levels of IP-10, KC, MIP-2, MCP-1, MIP-1 beta, and RANTES mRNA were detected in uninfected corneas of BALB/c mice. When the cornea was mechanically traumatized, message for all six chemokines was transiently elevated above constitutive levels. In contrast, HSV-1 infection resulted in prolonged enhanced chemokine message expression. The kinetics of mRNA accumulation was distinctive for each chemokine analyzed. MIP-1 alpha message, not detected constitutively, was not evident until day 7 postinfection. Administration of anti-HSV gD monoclonal antibody 1 day after infection was associated with reduced message for MIP-2, MCP-1, MIP-1 alpha, and MIP-1 beta. IP-10, KC, and RANTES messages were not altered. Collectively, our results suggest that anti-gD treatment may protect, at least in part, by inhibiting production of chemokines believed to promote inflammation.
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MESH Headings
- Animals
- Antibodies, Viral/administration & dosage
- Antibodies, Viral/immunology
- Base Sequence
- Chemokine CXCL10
- Chemokines/biosynthesis
- Chemokines/genetics
- Chemokines, CXC
- Cytokines/genetics
- Cytokines/metabolism
- DNA Primers
- Disease Models, Animal
- Herpesvirus 1, Human/genetics
- Herpesvirus 1, Human/immunology
- Humans
- Immunization, Passive
- Keratitis, Herpetic/immunology
- Mice
- Mice, Inbred BALB C
- Molecular Sequence Data
- RNA, Messenger/biosynthesis
- Viral Envelope Proteins/immunology
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Affiliation(s)
- Y H Su
- Department of Microbiology and Immunology, University of South Alabama, Mobile 36688, USA
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Abstract
Corneas excised from normal BALB/c mice and incubated in vitro were analyzed for the production of "early-warning" cytokines via reverse transcription-polymerase chain reaction and ELISA. It was found that the trauma of excision stimulated rapid IL-1 alpha synthesis, with peak protein accumulation occurring at 6 h, whereas IL-6 synthesis was maximal at 18 h. Neither IL-1 beta protein nor message was detected at any point, and TNF-alpha synthesis never increased above constituted levels. Antibody neutralization of endogenous IL-1 alpha blocked IL-6 synthesis. Addition of exogenous IL-1 alpha induced IL-1 alpha and IL-6 synthesis in vitro. Inoculation of IL-1 alpha into the cornea induced IL-6 synthesis in vivo. Addition of IL-1 alpha could stimulate IL-1R, IL-1 alpha, and IL-6 mRNA synthesis in the epithelial, stromal, and endothelial components of the cornea. However, protein production was readily detected only in the epithelial layer. We concluded that mechanical trauma to the mouse cornea triggers the enhanced synthesis of IL-1 alpha and IL-1R, which in turn results in the production of IL-6 and more IL-1 alpha. That corneal excision did not stimulate the synthesis of IL-1 beta or TNF-alpha indicates that there is a selective induction of early cytokine expression in this specialized tissue.
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Affiliation(s)
- R N Lausch
- Department of Microbiology and Immunology, College of Medicine, University of South Alabama, Mobile 36688, USA
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Wu XK, Wang CH, Su YH. Responses of somatostatin, beta-endorphin and dynorphin A to a glucose load in two groups of women with polycystic ovarian syndrome. Horm Res 1996; 46:59-63. [PMID: 8871183 DOI: 10.1159/000184997] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
To investigate the relationship between elevated LH, hyperinsulinemia and neuropeptides in polycystic ovarian syndrome (PCOS), we measured the endogenous levels of insulin, somatostatin (SS), beta-endorphin (beta-EP) and dynorphin A (Dyn A) before and after a glucose load in three groups: group 1 (LH/ FSH > or = 3, n = 30); group 2 (LH/FSH < 3, n = 25), and controls (n = 15). In the basal state, significantly negative correlations were found between LH and SS (r = -0.51, p < 0.05) in group 1 and between LH and beta-EP (r = -0.49, p < 0.05) in group 2. After a glucose load, PCOS women had greater beta-EP and Dyn A responses in group 1 and impaired SS response in group 2 as compared with the control. The data suggest endogenously lower SS, higher beta-EP and Dyn A may contribute to the elevation of LH and insulin secretions in PCOS.
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Affiliation(s)
- X K Wu
- Department of Gynecology, Nanjing Jingling Hospital, People's Republic of China
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Yan SQ, Feng LY, Su YH. [Protective effect of "wei tong ling" on gastric mucosa and influence on quality of gastric ulcer healing]. Zhongguo Zhong Xi Yi Jie He Za Zhi 1995; 15:612-4. [PMID: 8704429] [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: 02/01/2023]
Abstract
The acute gastric ulcer rat models were induced by dehydrated alcohol, 0.6 N hydrochloric acid and 0.6 N sodium hydroxide, and the chronic gastric ulcer rat models were established by means of acetic acid, the protective effect of Chinese medicine "Wei Tong Ling" (WTL) on gastric mucous membrane was studied. Using histochemical mucin stain, AgNOR stain and immunohistochemical technique the regenerated mucosa of healed gastric ulcer induced by acetic acid in rats was observed quantitatively. They were compared with that of WTL. The results showed that the regenerated mucosa of healed gastric ulcer might be the morphological basis for the recurrence of gastric ulcer and be associated with canceration. WTL could not only accelerate the healing of ulcer but also raise the quality of gastric ulcerous healing which was beneficial for the prevention of ulcer recurrence and canceration. The protective effect of WTL on gastric mucosa was confirmed by various assays.
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Su YH, Yang GL, Dong YM. [Light and electron microscopic histochemical studies of alkaline phosphatase (ALP) isoenzymes in gastric cancer]. Zhonghua Bing Li Xue Za Zhi 1994; 23:338-40. [PMID: 7720111] [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: 01/26/2023]
Abstract
By using light and electron microscopic histochemical techniques, the activities and distributions of ALP isoenzymes in gastric cancers and benign gastric diseases were examined. The results showed: Nagao, Regan and Kasahara isoenzymes, which were not expressed in normal gastric mucosae and non-malignant lesions, may be considered as the tumor markers of gastric cancer. The epithelium of intestinal metaplasia exhibited intestinal-type ALP only, which was one of the markers of well-differentiated intestinal metaplasia. In the view-point of the gene expression of ALP isoenzymes, two mutation hypothesis and recessive-gene mutation hypothesis may be proper for gastric cancer.
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Affiliation(s)
- Y H Su
- Department of Pathology, Anhui Medical University, Hefei
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Abstract
We studied myoclonic seizures (MS) in 5 patients with juvenile myoclonic epilepsy (JME) using video polygraphic recordings to investigate the clinical characteristics of MS in this epileptic syndrome. The total number of MS analyzed was 302 (range 27-125, mean 60) seizures per patient. MS occurred either singly or repetitively (37 vs. 63%) and corresponded to generalized bilaterally synchronous single or multispike-and-wave complexes at 3-5 Hz. Video analysis of the myoclonic jerks demonstrated that either distal or proximal muscle involvement predominated. In the former, there was mild bilateral flexion and some external rotation of the forearms. In the latter, flexion of both arms at the elbow, flexion and abduction of the thighs, and extension of the back was observed. Asymmetry of MS was noted in 4 of 5 patients. Facial involvement of MS occurred infrequently in 2 patients. When the patients kept both arms outstretched, the arms dropped or there was sudden interruption of ongoing electromyographic (EMG) potentials immediately after myoclonic jerks (postmyoclonic inhibition) in all patients. One should inquire about these clinical characteristics of MS in JME when taking a thorough history in patients with primary generalized tonic-clonic seizures (GTC).
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Affiliation(s)
- H Oguni
- Department of Pediatrics, Tokyo Women's Medical College, Japan
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