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Chang YL, Yang CC, Huang YY, Chen YA, Yang CW, Liao CY, Li H, Wu CS, Lin CH, Teng SC. The HSP40 family chaperone isoform DNAJB6b prevents neuronal cells from tau aggregation. BMC Biol 2023; 21:293. [PMID: 38110916 PMCID: PMC10729500 DOI: 10.1186/s12915-023-01798-6] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 12/05/2023] [Indexed: 12/20/2023] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is the most common neurodegenerative disorder with clinical presentations of progressive cognitive and memory deterioration. The pathologic hallmarks of AD include tau neurofibrillary tangles and amyloid plaque depositions in the hippocampus and associated neocortex. The neuronal aggregated tau observed in AD cells suggests that the protein folding problem is a major cause of AD. J-domain-containing proteins (JDPs) are the largest family of cochaperones, which play a vital role in specifying and directing HSP70 chaperone functions. JDPs bind substrates and deliver them to HSP70. The association of JDP and HSP70 opens the substrate-binding domain of HSP70 to help the loading of the clients. However, in the initial HSP70 cycle, which JDP delivers tau to the HSP70 system in neuronal cells remains unclear. RESULTS We screened the requirement of a diverse panel of JDPs for preventing tau aggregation in the human neuroblastoma cell line SH-SY5Y by a filter retardation method. Interestingly, knockdown of DNAJB6, one of the JDPs, displayed tau aggregation and overexpression of DNAJB6b, one of the isoforms generated from the DNAJB6 gene by alternative splicing, reduced tau aggregation. Further, the tau bimolecular fluorescence complementation assay confirmed the DNAJB6b-dependent tau clearance. The co-immunoprecipitation and the proximity ligation assay demonstrated the protein-protein interaction between tau and the chaperone-cochaperone complex. The J-domain of DNAJB6b was critical for preventing tau aggregation. Moreover, reduced DNAJB6 expression and increased tau aggregation were detected in an age-dependent manner in immunohistochemical analysis of the hippocampus tissues of a mouse model of tau pathology. CONCLUSIONS In summary, downregulation of DNAJB6b increases the insoluble form of tau, while overexpression of DNAJB6b reduces tau aggregation. Moreover, DNAJB6b associates with tau. Therefore, this study reveals that DNAJB6b is a direct sensor for its client tau in the HSP70 folding system in neuronal cells, thus helping to prevent AD.
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Affiliation(s)
- Ya-Lan Chang
- Department of Microbiology, College of Medicine, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Chan-Chih Yang
- Department of Microbiology, College of Medicine, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Yun-Yu Huang
- Department of Microbiology, College of Medicine, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Yi-An Chen
- Department of Microbiology, College of Medicine, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Chia-Wei Yang
- Department of Microbiology, College of Medicine, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Chia-Yu Liao
- Department of Microbiology, College of Medicine, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Hsun Li
- Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10051, Taiwan
| | - Ching-Shyi Wu
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Chin-Hsien Lin
- Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10051, Taiwan.
| | - Shu-Chun Teng
- Department of Microbiology, College of Medicine, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei, 10051, Taiwan.
- Center of Precision Medicine, National Taiwan University, Taipei, 10051, Taiwan.
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Chang YL, Huang BS, Lin CY, Chung CF, Chen SC. Effects of a return to work program on the health and barriers to returning to work in head and neck cancer patients: A randomized controlled trial. Asia Pac J Oncol Nurs 2023; 10:100320. [PMID: 38059206 PMCID: PMC10696387 DOI: 10.1016/j.apjon.2023.100320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 10/11/2023] [Indexed: 12/08/2023] Open
Abstract
Objective The aim of the study was to evaluate the effects of a return to work (RTW) program on perceived health status, barriers to returning to work, fear of cancer progression, social support, physical function, and psychosocial function in head and neck cancer (HNC) patients. Methods A randomized controlled trial with repeated measures was conducted. The 70 HNC patients were randomly assigned into two groups: 35 in the experimental group (RTW) and 35 in the control group (usual care). Patients were assessed at four time points: baseline (T0) (6 months after completing treatment), and then at 9-, 12-, and 15-months (T1, T2, and T3, respectively) after completing treatment. Patients completed a self-reported questionnaire, including measures of perceived health status, barriers to returning to work, fear of cancer progression, social support, physical function, and psychosocial function. Results Patients in the experimental group had significantly greater perceived health status and better psychosocial function compared to those in the control group. Compared to T0, at T4, participants in both groups had significantly lower levels of barriers to returning to work, fear of cancer progression, social support, and higher levels of physical function. Conclusions The RTW program effectively improved perceived health status and psychosocial function in HNC patients. Survivorship care should include a transitional return-to-work program to help patients transition back to work. Trial registration NCT04322695.
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Affiliation(s)
- Ya-Lan Chang
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Nursing, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Bing-Shen Huang
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chien-Yu Lin
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ching-Fang Chung
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Shu-Ching Chen
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
- School of Nursing and Geriatric and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
- School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Hsu FM, Huang TC, Guo JC, Hsu CH, Lee JM, Huang PM, Chang YL, Cheng JCH. A Prospective Study of Bevacizumab and Neoadjuvant Concurrent Chemoradiation in Locally Advanced Esophageal Squamous Cell Carcinoma: Paradoxical Increase in Circulating Vascular Endothelial Growth Factor-A and Effect on Outcome. Int J Radiat Oncol Biol Phys 2023; 117:e302-e303. [PMID: 37785104 DOI: 10.1016/j.ijrobp.2023.06.2320] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) In the prior prospective biomarker study, high serum vascular endothelial growth factor-A (VEGF-A) was associated with a poor prognosis. We conducted a prospective phase II trial of adding Bevacizumab, an anti-VEGF-A monoclonal antibody, to neoadjuvant concurrent chemoradiation (neoCCRT) for patients with locally advanced esophageal squamous cell carcinoma (LA-ESCC). This prospective biomarker study aims to evaluate the expressions of angiogenesis-associated circulating biomarkers before and after neoCCRT and compare clinical outcomes for patients receiving platinum/5-fluorouracil (PF) with or without Bevacizumab. MATERIALS/METHODS Patients with biopsy-proven resectable non-T4 LA-ESCC were enrolled for the prospective phase II trial investigating PF-neoCCRT plus Bevacizumab (BPF group). A parallel patient cohort enrolled in a prospective biomarker study receiving PF-neoCCRT was included in the present analysis as the control group (PF group). Radiotherapy was delivered with 40 Gy in 20 fractions. All patients had restaging workups after enoCCRT and underwent radical esophagectomy if the disease remained resectable. Serums were collected before and after neoCCRT. The serum concentrations of angiogenesis-associated biomarkers were determined by the multiplex enzyme-linked immunosorbent assay. Survival analyses were performed by the Kaplan-Meier method. The t-test and log-rank test were used to compare differences in biomarker expression and survival between groups. RESULTS From 2016 to 2019, 43 patients (BPF/PF group: 21/22) were enrolled in the study. Twenty patients in each group had serum samples available for biomarker analysis. 15 out of 21 patients in the BPF group and 20 out of 22 patients in the PF group underwent radical esophagectomy. Six patients in the BPF group and nine patients in the PF group achieved pathological complete responses. The median overall survival for the BPF and PF group was 20.8 months and not-reached, respectively (hazard ratio = 1.33, long rank p = 0.58). In the BPF group, the serum VEGF-A level was significantly increased from an average value of 446 pg/mL to 723 pg/mL after neoCCRT (p = 0.037), while its level was decreased from 815 ng/mL to 380 pg/mL in the PF group (p = 0.104). In addition, the expression value of circulating Angiopoietin-1 was not changed in the BPF group (before neoCCRT, mean value = 828 pg/mL; after neoCCRT, mean value 762 pg/mL, p = 0.67). In contrast, serum Angiopoietin-1 level was reduced from an average value of 659 pg/mL before neoCCRT to 271 pg/mL after neoCCRT (p = 0.002) in the PF group. CONCLUSION The addition of Bevacizumab to PF-neoCCRT did not improve pathological or survival outcomes in patients with resectable LA-ESCC. Adding a single dose of Bevacizumab paradoxically increases circulating VEGF-A while maintaining the Angiopoietin-1 serum level after neoCCRT. Further investigation by using additional VEGF-A inhibition may be required to achieve sustained angiogenesis blocked for tumor control.
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Affiliation(s)
- F M Hsu
- Department of Radiation Oncology, National Taiwan University Cancer Center, Taipei, Taiwan; Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - T C Huang
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, Taiwan; Department of Oncology, National Taiwan University Hospital, Taipei, Taiwan
| | - J C Guo
- Department of Oncology, National Taiwan University Hospital, Taipei, Taiwan
| | - C H Hsu
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, Taiwan; Department of Oncology, National Taiwan University Hospital, Taipei, Taiwan
| | - J M Lee
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - P M Huang
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Y L Chang
- Department of Pathology, National Taiwan University Hospital, Taipei, Taiwan
| | - J C H Cheng
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, Taiwan; Division of Radiation Oncology, Department of Oncology, National Taiwan University Hospital, Taipei, Taiwan
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Lee LY, Huang BS, Lin CY, Su YH, Chung CF, Chang YL, Chen SC. Effects of a Nurse-led Survivorship Care Program on the Health and Resilience of Primary Caregivers of Patients With Advanced Head and Neck Cancer: A Randomized Controlled Trial. Semin Oncol Nurs 2023; 39:151425. [PMID: 37055297 DOI: 10.1016/j.soncn.2023.151425] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 03/07/2023] [Accepted: 03/15/2023] [Indexed: 04/15/2023]
Abstract
OBJECTIVES The present study aimed to evaluate the effects of a nurse-led survivorship care program (SCP) on emotional distress, social support, physical health, mental health, and resilience in primary caregivers of patients with advanced head and neck cancer. DATA SOURCES A randomized controlled trial was conducted. One hundred patient-primary caregiver dyads were randomized into the nurse-led SCP group (experimental) or the usual care group (control). Participants completed a self-reported questionnaire, including measures of emotional distress, social support, physical health, mental health, and resilience. After 6 months, the experimental group reported a significant improvement in emotional distress, social support, physical health, mental health, and resilience. Compared with the control group, measures of emotional distress, physical health, overall resilience, and the resilience aspects of equanimity and perseverance improved in the experimental group. CONCLUSION An SCP may feasibly help alleviate emotional distress, improve social support, increase physical and mental health, and strengthen resilience in the primary caregivers of patients with head and neck cancer. Health care providers should encourage primary caregivers to join an SCP. IMPLICATIONS FOR NURSING PRACTICE The nurse-led SCP can be applied before patients complete treatment, which may increase the positive effect on physical health and adaptation.
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Affiliation(s)
- Li-Yun Lee
- Associate Professor, Department of Nursing, College of Nursing and Health Sciences, DaYeh University, Changhua, Taiwan; Associate Professor, Department of Nursing, College of Nursing, Chang Gung University of Science and Technology, Chaiyi, Taiwan
| | - Bing-Shen Huang
- Attending Physician, Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan; Associate Professor, Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chien-Yu Lin
- Attending Physician, Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan; Associate Professor, Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ya-Hui Su
- Head Nurse, Department of Nursing, Taoyuan Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ching-Fang Chung
- Case Manager, Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ya-Lan Chang
- Case Manager, Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Shu-Ching Chen
- Professor, School of Nursing and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan; Professor, School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Research Fellow, Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.
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Chang YL, Huang LM, Kuo XZ, Chen YY, Lin ST, Jeng MF, Yeh HH, Tsai WC, Chen HH. PbABCG1 and PbABCG2 transporters are required for the emission of floral monoterpenes in Phalaenopsis bellina. Plant J 2023; 114:279-292. [PMID: 36738107 DOI: 10.1111/tpj.16133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 02/20/2021] [Revised: 12/17/2022] [Accepted: 01/30/2023] [Indexed: 05/10/2023]
Abstract
Terrestrial plants emit volatiles into the atmosphere to attract both pollinators and the enemies of herbivores, for defense. Phalaenopsis bellina is a scented orchid species in which the main scent components are monoterpenes, including linalool and geraniol, and their derivatives. Here, we investigated whether ABC transporters are involved in floral scent emission. We carried out whole-genome identification of ABC transporter-related genes using four floral transcriptomics libraries of P. bellina. We identified 86 ABC subfamily G genes related to terpenoid transport. After comparing the gene expression patterns of P. bellina with that of Phalaenopsis aphrodite subsp. formosana, a scentless species, followed by gene-to-gene correlation analysis, PbABCG1 and PbABCG2 were selected. The temporal expression of both PbABCG1 and PbABCG2 was highly correlated with that of the key enzyme PbGDPS and the major transcription factor PbbHLH4 in monoterpene biosynthesis, with optimal expression on day 5 post-anthesis. Spatial gene expression analysis showed that PbABCG1 was highly expressed in sepals, whereas PbABCG2 was expressed in the lip. Subcellular localization with a GFP fusion protein revealed that both PbABCG1 and PbABCG2 are cytoplasmic membrane proteins. Co-downregulation of PbABCG1 and PbABCG2 using both double-strand RNA interference and tobacco rattle virus-based gene silencing led to a significant decrease in monoterpene emission, accompanied by an increase in the internal monoterpene pools. Furthermore, ectopic expression of PbABCG1 and PbABCG2 in an ABC16- mutant yeast strain rescued its tolerance to geraniol. Altogether, our results indicate that PbABCG1 and PbABCG2 play substantial roles in monoterpene transport/emission in P. bellina floral scent.
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Affiliation(s)
- Ya-Lan Chang
- Department of Life Sciences, National Cheng Kung University, Tainan, 701, Taiwan
| | - Li-Min Huang
- Department of Life Sciences, National Cheng Kung University, Tainan, 701, Taiwan
| | - Xuan-Zhou Kuo
- Department of Life Sciences, National Cheng Kung University, Tainan, 701, Taiwan
| | - You-Yi Chen
- Institute of Tropical Plant Sciences and Microbiology, National Cheng Kung University, Tainan, 701, Taiwan
| | - Shao-Ting Lin
- Institute of Tropical Plant Sciences and Microbiology, National Cheng Kung University, Tainan, 701, Taiwan
| | - Mei-Fen Jeng
- Orchid Research and Development Center, National Cheng Kung University, Tainan, 701, Taiwan
| | - Hsin-Hung Yeh
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, 115, Taiwan
| | - Wen-Chieh Tsai
- Institute of Tropical Plant Sciences and Microbiology, National Cheng Kung University, Tainan, 701, Taiwan
- Orchid Research and Development Center, National Cheng Kung University, Tainan, 701, Taiwan
| | - Hong-Hwa Chen
- Department of Life Sciences, National Cheng Kung University, Tainan, 701, Taiwan
- Orchid Research and Development Center, National Cheng Kung University, Tainan, 701, Taiwan
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Chiu SE, Cho KA, Huang BS, Lin CY, Chung CF, Chang YL, Chen SC. Factors Facilitating or Creating Barriers to Returning to Work in Head and Neck Cancer Patients Within the First 6 Months After Treatment. Clin Nurs Res 2023; 32:197-208. [PMID: 35833270 DOI: 10.1177/10547738221106292] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Head and neck cancer (HNC) patients who are unable to return to work after completing treatment might face financial loss and reduced self-esteem. The aim of this study was to identify factors influencing a return to work in HNC cancer patients in the first 6 months after treatment. This cross-sectional study examined HNC patients who completed treatment from the outpatient radiation department of a single cancer center in northern Taiwan. Patients were assessed according to psychological distress, patient-perceived health status, barriers to returning to work, and facilitators of returning to work. Of the 106 HNC patients surveyed, 54.7% successfully returned to work. Barriers to returning to work included poor self-perception of health, greater psychological distress, and age ≥50 years. Patients who had higher psychological distress, returned to work after start of the pandemic, or received reconstruction surgery were less likely to experience a positive environment facilitating a return to work.
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Affiliation(s)
- Su-Erh Chiu
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Kuei-An Cho
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Bing-Shen Huang
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chien-Yu Lin
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ching-Fang Chung
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ya-Lan Chang
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Shu-Ching Chen
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,School of Nursing and Geriatric and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan.,School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Guo SJ, Chang YL, Shan GY, Li YX, Zhang L, Li C. [Help-seeking efficacy and the intention of social assistance among medical care personnel during the major public health events]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2022; 40:35-38. [PMID: 35255560 DOI: 10.3760/cma.j.cn121094-20210616-00293] [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] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To explore the help seeking efficacy and social assistance willingness of medical staff during major public health events, so as to provide basis for improving the psychological resources and service quality of medical staff and further optimizing the prevention and treatment policies. Methods: In February 2020, a convenient sampling method was used to conduct an online questionnaire survey on medical staff in Henan Province, and a total of 2136 questionnaires were collected. Among them, there were 1940 valid questionnaires, and the effective recovery rate was 90.82%. The questionnaire of help seeking efficacy and willingness to social assistance under epidemic situation was used to investigate the help seeking efficacy and willingness of medical staff. The frequency and rate (%) were used to analyze the overall situation of medical staff's help seeking efficacy and social assistance willingness. The differences among different demographic variables were tested by χ(2) test. Results: Among the 1940 medical and nursing staff, 18.81% (365/1940) did not know how to obtain appropriate psychological assistance. Compared with the low age group, the medical staff in the high age group had the ability of information query, the ability to occupy knowledge resources, the ability to distinguish rumors and facts and the sense of efficacy of obtaining appropriate medical help, and the difference was statistically significant (P<0.05) . The willingness of medical and nursing staff to actively cooperate with the government, maintain social stability and volunteer work were 99.43% (1929/1940) , 98.81% (1917/1940) and 97.11% (1884/1940) . Conclusion: The medical staff had a higher sense of help seeking efficacy and willingness to social assistance. It is necessary to further strengthen the resource support of psychological, social and humanistic care for medical staff.
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Affiliation(s)
- S J Guo
- Department of Medical Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Y L Chang
- Departemt of Nursing, Henan Vocational College Of Nursing, Anyang 455000, China
| | - G Y Shan
- Institution of Psychology and Behavior, Henan University, Kaifeng 475004, China
| | - Y X Li
- Institution of Psychology and Behavior, Henan University, Kaifeng 475004, China
| | - L Zhang
- Department of Medical Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - C Li
- Department of Medical Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
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Lee LY, Huang BS, Lin CY, Chung CF, Chang YL, Chen SC. Trajectories of resilience and related factors in primary caregivers of patients with advanced head and neck cancer: A longitudinal cohort study. J Nurs Scholarsh 2021; 54:191-201. [PMID: 34773378 DOI: 10.1111/jnu.12728] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 10/07/2021] [Accepted: 10/15/2021] [Indexed: 01/23/2023]
Abstract
PURPOSE Primary caregivers (PC) of patients with advanced head and neck cancer (HNC) report stress during caregiving time post-treatment. We sought to identify the trajectories of resilience from initial completion of treatment to 1-year post-treatment in PC of patients with advanced HNC and to determine the factors associated with trajectories of resilience. DESIGN In this prospective cohort study with convenience sampling, patient-PC dyads were recruited from a medical center in northern Taiwan between August 2015 and July 2020. METHODS We recruited 120 patient-PC dyads and followed up at treatment completion and 1, 6, and 12 months post-treatment. Generalized estimating equation analysis was performed to identified factors related to resilience. FINDINGS PCs' overall resilience increased from initial completion of treatment to peak at 1-year post-treatment. Patient factors associated with greater overall resilience included older age, higher performance status, and shorter time since cancer diagnosis; PC factors included reporting more social support, better physical health, and better mental health. CONCLUSIONS PC mental health was the most important factor in the resilience trajectory of patients with advanced HNC cancer. CLINICAL RELEVANCE Quantifying the relevant factors of trajectories of resilience will help to identify vulnerable PCs and guide survivorship care in the early stages of the post-treatment period.
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Affiliation(s)
- Li-Yun Lee
- Department of Nursing, College of Nursing and Health Sciences, DA-YEH University, Changhua, Taiwan, Republic of China
| | - Bing-Shen Huang
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Chien-Yu Lin
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Ching-Fang Chung
- Case Manager, Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China
| | - Ya-Lan Chang
- Case Manager, Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China
| | - Shu-Ching Chen
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.,School of Nursing and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan, Republic of China.,School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
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Peng HL, Lee LY, Huang BS, Lin CY, Chang YL, Chung CF, Chen SC. Comparison of physical and psychosocial function post-treatment among oral cancer patients with low-to-moderate and high nicotine dependence. J Nurs Scholarsh 2021; 54:152-160. [PMID: 34747134 DOI: 10.1111/jnu.12719] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 09/02/2021] [Accepted: 09/22/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE After suddenly stopping smoking after an initial oral cancer (OC) diagnosis, patients may restart smoking and nicotine dependence. This study sought to identify factors associated with high nicotine dependence in OC patients who restarted smoking post-treatment. DESIGN A cross-sectional study. METHODS A group of 220 OC patients who restarted smoking post-treatment were recruited from the outpatient radiation department of a single cancer center in northern Taiwan. Demographic and clinical characteristics were recorded, and patients were assessed for nicotine and smoking dependence, physical activity and function, socio-emotional function, social support, and depression. RESULTS Among patients who restarted smoking after treatment for OC, 75.9% reported low-to-moderate dependence on smoking, while 24.1% reported high nicotine dependence. Factors associated with high nicotine dependence included higher incidence of smoking per day, greater dependence on smoking, less physical activity per week, and poorer social-emotional function. Those highly dependent on nicotine were younger, unmarried, had less education, and had begun smoking earlier than those with low-to-moderate nicotine dependence. CONCLUSIONS The amount of smoking per day, greater smoking behavioral dependence, less physical activity per week, and worse social-emotional function affected high nicotine dependence. CLINICAL RELEVANCE Smoking cessation training and counseling for OC patients may help them better control their use of tobacco after treatment.
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Affiliation(s)
- Hsi-Ling Peng
- Department of Nursing, College of Healthcare and Management, Asia Eastern University of Science and Technology, Taipei, Taiwan, Republic of China
| | - Li-Yun Lee
- Department of Nursing, College of Nursing and Health Sciences, DA-YEH University, Changhua, Taiwan, Republic of China
| | - Bing-Shen Huang
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Chien-Yu Lin
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Ya-Lan Chang
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.,School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Ching-Fang Chung
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China
| | - Shu-Ching Chen
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.,School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China.,School of Nursing and Geriatric and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan, Republic of China
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10
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Chung CF, Lee YH, Chang YL, Lee LY, Peng HL, Chen SC. [The Nutritional Assessment and Management of Patients With Gastrointestinal Cancer]. Hu Li Za Zhi 2021; 68:7-14. [PMID: 34013500 DOI: 10.6224/jn.202106_68(3).02] [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: 11/20/2022]
Abstract
The gastrointestinal dysfunction and nutrient malabsorption associated with gastrointestinal tumors and related treatments may result in malnutrition in gastrointestinal (GI) cancer patients. Malnutrition has been associated with decreased treatment tolerance, poor quality of life, and increased mortality in this patient population. In this article, the relevant literature is reviewed and the factors, assessment tools, and management strategies related to malnutrition are summarized. In clinical care, healthcare providers should conduct early assessments of nutritional status and provide individualization nutritional counselling to promote treatment that effectively prolongs patient survival. This article may be used by nurses as a reference in caring for GI cancer patients.
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Affiliation(s)
- Ching-Fang Chung
- BSN, RN, Case Manager, Department of Nursing, Chang Gung Memorial Hospital, Linkou Branch, and Graduate Student, Graduate Institute of Nursing, College of Nursing, Chang Gung University of Science and Technology, Taiwan, ROC
| | - Yi-Hsiang Lee
- MSN, RN, Case Manager, Department of Nursing, Chang Gung Memorial Hospital, Linkou Branch, Taiwan, ROC
| | - Ya-Lan Chang
- MSN, RN, Case Manager, Department of Nursing, Chang Gung Memorial Hospital, Linkou Branch, Taiwan, ROC
| | - Li-Yun Lee
- PhD, RN, Assistant Professor, Department of Nursing, College of Nursing and Health Sciences, DAYEH University, Taiwan, ROC
| | - Hsi-Ling Peng
- PhD, RN, Assistant Professor, Department of Nursing, Oriental Institute of Technology, Taiwan, ROC
| | - Shu-Ching Chen
- PhD, RN, Professor, School of Nursing, and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, and Adjunct Consultant, Department of Nursing, Chang Gung Memorial Hospital, Linkou Branch, Taiwan, ROC.
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11
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Chang YL, Lin CY, Kang CJ, Liao CT, Chung CF, Yen TC, Peng HL, Chen SC. Association between multidisciplinary team care and the completion of treatment for oral squamous cell carcinoma: A cohort population-based study. Eur J Cancer Care (Engl) 2020; 30:e13367. [PMID: 33174667 DOI: 10.1111/ecc.13367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 08/17/2020] [Accepted: 10/14/2020] [Indexed: 12/31/2022]
Abstract
OBJECTIVES This study investigates the relationship between multidisciplinary team care (MDTC) and patient completion of their treatment regimen for oral squamous cell carcinoma (OSCC). METHODS We conducted a retrospective cohort study in patients diagnosed with OSCC in Taiwan from 1 January 2016 to 30 June 2018 using a linked cancer registry database. RESULTS Of the 969 OSCC MDTC patients in the study cohort, 6.3% reported incomplete treatment, with 1.3% interrupting ongoing treatment and 5.0% terminating definitive treatment. Patients who had advanced-stage disease, experienced primary cancer recurrence or a secondary cancer, or were treated with surgery combined with chemotherapy, radiotherapy or chemoradiotherapy were more likely to terminate treatment before completion. The major reasons for interruption of ongoing treatment included 'patient or their family considered the patient to be in poor physical condition' and 'difficulty enduring physical discomfort caused by treatment'. The major reason for termination of definitive treatment was 'patient or their families or friends experienced negative treatment effects and worried about the side-effects of treatment'. CONCLUSION Advanced-stage cancer, recurrence or secondary cancer, and surgery combined with chemotherapy, radiotherapy or chemoradiotherapy negatively affected treatment completion. MDTC allows for shared decision-making to determine the optimal treatment.
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Affiliation(s)
- Ya-Lan Chang
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chien-Yu Lin
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chung-Jan Kang
- Department of Otorhinolaryngology, Head and Neck Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chun-Ta Liao
- Department of Otorhinolaryngology, Head and Neck Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ching-Fang Chung
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Tzu-Chen Yen
- Nuclear Medicine and Molecular Imaging Center, Linkou Chang Gung Memorial Hospital and Chang Gung University, Taoyuan, Taiwan
| | - Hsi-Ling Peng
- Department of Nursing, Oriental Institute of Technology, Taipei, Taiwan
| | - Shu-Ching Chen
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,School of Nursing and Geriatric and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan.,School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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12
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Huang BS, Chung CF, Chang YL, Lee LY, Peng HL, Chen SC. Body mass index and self-care behaviors related to oral health-related quality of life in patients with oral squamous cell carcinoma within three months posttreatment. Support Care Cancer 2020; 29:2239-2248. [PMID: 32910290 DOI: 10.1007/s00520-020-05737-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 09/04/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE Oral dysfunction is a common adverse event of treatment and may affect oral health-related quality of life (OHRQoL). This study aimed to identify factors associated with OHRQoL in patients with oral squamous cell carcinoma (OSCC) within the first three months posttreatment. METHODS This cross-sectional study examined OSCC patients who received treatment from the outpatient radiation department of a single cancer center in northern Taiwan. Demographic and clinical characteristics were recorded, and patients were assessed using the Self-Care Behaviors Scale (SCB), Oral Health Impact Profile (OHIP), and Karnofsky Performance Status (KPS) questionnaires. RESULTS Among 148 OSCC patients, 11.5% reported being underweight and 70.3% reported normal weight. The most common self-care factors associated with adverse effects were decreased appetite and fatigue. Psychological disability, functional limitation, and physical pain were the most negative OHRQoL factors. Poor OHRQoL was associated with more severe adverse effects after self-care behaviors, using feeding tubes during treatment, and having BMI less than 25, which together explained 33.5% of the variance in OHRQoL. CONCLUSIONS The severity of adverse effects after self-care behaviors and using feeding tubes during treatment strongly influenced overall OHRQoL and seven specific dimensions of OHRQoL.
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Affiliation(s)
- Bing-Shen Huang
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ching-Fang Chung
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ya-Lan Chang
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Li-Yun Lee
- Department of Nursing, College of Nursing and Health Sciences, Da-Yeh University, Changhua, Taiwan
| | - Hsi-Ling Peng
- Department of Nursing, Oriental Institute of Technology, Taipei, Taiwan
| | - Shu-Ching Chen
- Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan. .,School of Nursing and Geriatric and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, 261, Wen-Hua 1st Road, Kweishan, Taoyuan, 333, Taiwan. .,School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
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13
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Chen SC, Huang BS, Hung TM, Lin CY, Chang YL, Chung CF. Factors Associated With Resilience Among Primary Caregivers of Patients With Advanced Cancer Within the First 6 Months Post-Treatment in Taiwan: A Cross-Sectional Study. J Nurs Scholarsh 2020; 52:488-496. [PMID: 32649038 DOI: 10.1111/jnu.12582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2020] [Indexed: 12/01/2022]
Abstract
PURPOSE To identify factors associated with resilience in primary caregivers of patients with advanced oral cavity cancer within the first 6 months post-treatment. DESIGN A cross-sectional study. METHODS We recruited patient-primary caregiver dyads from the outpatient radiation department of a medical center in Northern Taiwan. Patients were assessed using a set of structured questionnaires to measure performance status and demographic and clinical characteristics. Primary caregivers were measured in their social support, resilience, and care characteristics. RESULTS Of the 148 dyads surveyed, 33.8% of primary caregivers reported moderately low to moderate resilience, and 61.5% reported low resilience. Greater resilience of primary caregivers was associated with the primary caregiver factors of younger age, lower educational level, and more affectionate social support; and greater resilience was associated with the patient factors of better performance status and older age. These factors explained 40.4% of the variance in resilience. CONCLUSIONS Patients' performance status and primary caregivers' affectionate social support strongly influence overall resilience and each domain of resilience. CLINICAL RELEVANCE Providing primary caregivers with sufficient social resources and a support group can help them cope with the demands of caregiving for loved ones with oral cavity cancer.
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Affiliation(s)
- Shu-Ching Chen
- Lambada Beta-At-Large, Professor, School of Nursing and Geriatric and Long-Term Care Research Center, College of Nursing, Chang Gung University of Science and Technology, and Professor, School of Nursing, College of Medicine, Chang Gung University, and Research Fellow, Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, all in Taoyuan, Taiwan, Republic of China
| | - Bing-Shen Huang
- Attending Physician, Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, and Assistant Professor, Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, both in Taoyuan, Taiwan, Republic of China
| | - Tsung-Min Hung
- Attending Physician, Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China
| | - Chien-Yu Lin
- Attending Physician, Department of Radiation Oncology and Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, and Associate Professor, Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, both in Taoyuan, Taoyuan, Taiwan, Republic of China
| | - Ya-Lan Chang
- Case Manager, Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China
| | - Ching-Fang Chung
- Case Manager, Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China
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14
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Chen SC, Huang BS, Hung TM, Lin CY, Chang YL. Impact of physical and psychosocial dysfunction on return to work in survivors of oral cavity cancer. Psychooncology 2019; 28:1910-1917. [PMID: 31291694 DOI: 10.1002/pon.5173] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 07/03/2019] [Accepted: 07/08/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To compare the levels of social support, physical function, and social-emotional function between oral cavity cancer survivors who did or did not resume work 6 months or longer after treatment completion. METHODS This cross-sectional study examined survivors of oral cavity cancer who were treated at the outpatient radiation department of a medical center in Northern Taiwan. Questionnaires were used to collect data regarding perceived social support, physical function, social-emotional function, and return to work status after treatment. Logistic regression was conducted to determine factors related to returning to work. RESULTS We examined 174 survivors of oral cavity cancer, 55.2% of whom returned to work after treatment. Relative to survivors who returned to work, those who did not return to work reported needing greater tangible social support, having fewer positive social interactions, having poorer physical function, and having poorer social-emotional function. Multivariable analysis indicated that younger age (OR = 0.864, P < .05), higher family income (OR = 10.835, P < .05), sufficient tangible social support (OR = 0.943, P < .05), positive social interaction (OR = 1.025, P < .05), and better physical function (OR = 1.062, P < .05) were significantly associated with the return to work. CONCLUSIONS Survivors of oral cavity cancer who did not return to work had worse physical and social-emotional function and required more tangible social support and positive social interactions. Providing occupational rehabilitation and counseling for oral cavity cancer survivors may help them return to work.
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Affiliation(s)
- Shu-Ching Chen
- School of Nursing, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan.,Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Bing-Shen Huang
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tsung-Min Hung
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chien-Yu Lin
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ya-Lan Chang
- Department of Nursing, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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15
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Chang YL, Lee SC, Liao CT, Wang CH, Lin YF, Chen SC. Factors impacting on discordance with treatment plan in head and neck cancer patients: a retrospective, population-based cohort study. Support Care Cancer 2019; 28:951-958. [DOI: 10.1007/s00520-019-04904-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 05/31/2019] [Indexed: 01/23/2023]
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16
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Yan KX, Zhang YJ, Han L, Huang Q, Zhang ZH, Fang X, Zheng ZZ, Yawalkar N, Chang YL, Zhang Q, Jin L, Qian DF, Li XY, Wu MS, Xu QH, Zhang XJ, Xu JH. TT genotype of rs10036748 in TNIP1 shows better response to methotrexate in a Chinese population: a prospective cohort study. Br J Dermatol 2019; 181:778-785. [PMID: 31020648 DOI: 10.1111/bjd.17704] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2019] [Indexed: 12/23/2022]
Abstract
BACKGROUND Methotrexate (MTX) is an efficacious treatment for psoriasis; however, its widespread application is limited by its unpredictable efficacy. OBJECTIVES To investigate the association of clinical factors and variants of psoriasis susceptibility genes with clinical responses to MTX in a prospective cohort. METHODS A total of 221 patients with psoriasis were recruited. Patients who achieved Psoriasis Area and Severity Index (PASI) improvement ≥ 75% at week 12 were defined as responders, whereas those with PASI improvement < 50% were defined as nonresponders. In 90 screening patients, genetic variants for 18 single-nucleotide polymorphisms in 14 susceptibility genes, and HLA-Cw6 status were initially compared for responders and nonresponders. Statistically significant associations in genetic variants were verified in all 221 patients. RESULTS Overall, 49% and 45% of patients achieved PASI 75 improvement during screening and verification stages, respectively. Concomitant arthritis with psoriasis and high body mass index (BMI) negatively affect the efficacy of MTX. TT genotype of rs10036748 in TNIP1 was significantly associated with PASI 75 response at week 12 (54% and 37%, P < 0·05). A significantly higher PASI 90 response was observed in patients with TT genotype of rs10036748 (27% vs. 12%, P < 0·01) and TC/TT genotype of rs4112788 in LCE3D (25% vs. 13%, P < 0·05) at week 12 compared with those who had other genotypes. After adjustment for all confounding factors, only BMI (P < 0·05), arthritis (P < 0·05) and genotype of rs10036748 (P < 0·05) were significantly associated with clinical responses to MTX. CONCLUSIONS Patients with psoriasis with TT genotype of rs10036748 in TNIP1, with lower BMI, without arthritis will achieve a better response to MTX.
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Affiliation(s)
- K X Yan
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Y J Zhang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - L Han
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Q Huang
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Z H Zhang
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - X Fang
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Z Z Zheng
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - N Yawalkar
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, 3012, Switzerland
| | - Y L Chang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - Q Zhang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - L Jin
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - D F Qian
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - X Y Li
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - M S Wu
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - Q H Xu
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - X J Zhang
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - J H Xu
- Shanghai Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
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Chang YL, Huang BS, Hung TM, Lin CY, Chen SC. Factors influencing body image in posttreatment oral cavity cancer patients. Psychooncology 2019; 28:1127-1133. [PMID: 30889623 DOI: 10.1002/pon.5067] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 03/13/2019] [Accepted: 03/15/2019] [Indexed: 01/17/2023]
Abstract
OBJECTIVE The purpose of this study of posttreatment oral cavity cancer (OCC) patients was to identify factors associated with self-reported overall body image, perceived attractiveness, and dissatisfaction with body appearance. METHODS This cross-sectional study recruited patients with OCC from the outpatient radiation department of a single cancer center in Northern Taiwan. Demographic and clinical characteristics were recorded, and patients were assessed using the Hospital Anxiety and Depression Scale (HADS), the Liebowitz Social Anxiety Scale (LSAS), the University of Washington Quality of Life Scale (UW-QOL), and the Body Image Scale (BIS). RESULTS A total of 168 patients were included in this current study, 76 females and 92 males. Negative overall body image was associated with greater degree of depression, greater fear of social interactions, poorer social-emotional function, receipt of surgery, female gender, and greater avoidance of social interaction; these factors explained 49.0% of the variance in this outcome measure. Poor perceived attractiveness was associated with greater depression, greater fear of social interaction, and receipt of surgery; these factors explained 25.4% of the variance in this outcome measure. Dissatisfaction with body appearance was associated with poor social-emotional function, greater fear of social interaction, receipt of reconstruction, advanced cancer stage, and female gender; these factors explained 52.2% of the variance in this outcome measure. CONCLUSIONS This study of posttreatment OCC patients indicated that depression and fear of social interaction strongly influenced overall body image, perceived attractiveness, and dissatisfaction with body appearance.
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Affiliation(s)
- Ya-Lan Chang
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Bing-Shen Huang
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tsung-Min Hung
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chien-Yu Lin
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Shu-Ching Chen
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,School of Nursing, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
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18
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Chen SC, Huang BS, Hung TM, Lin CY, Chang YL. Impact of a behavior change program and health education on social interactions in survivors of head and neck cancer: Randomized controlled trial. Psychooncology 2018; 28:293-300. [PMID: 30407682 DOI: 10.1002/pon.4939] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 10/31/2018] [Accepted: 11/05/2018] [Indexed: 01/09/2023]
Abstract
OBJECTIVE The purpose of this study of survivors of head and neck cancer was to evaluate the effects of a behavior change program and health education on depression, fear of social interactions, avoidance of social interactions, physical function, and social-emotional function. METHODS This was a randomized controlled trial of 100 subjects, in which changes in the scores of several psychometric scales were recorded for an experimental group (behavior change program and health education) and a control group (routine care only). Assessments were performed at baseline (T0), and at 1 month (T1), 2 months (T2), and 3 months (T3) after completing the intervention. RESULTS After the intervention, the experimental group reported significantly less fear of social interactions, less avoidance of social interactions, and better physical function than the control group. The experimental group also had less depression at T3 than at T0, although there was no such change in the control group. Analysis of physical function indicated that both groups experienced improvements from T0 to T1, slight declines from T1 to T2, and slight declines from T2 to T3; however, both groups had significantly better physical function at T3 than at T0. CONCLUSIONS Head and neck cancer patients who received a behavior change program and health education reported less fear of social interactions, less avoidance of social interactions, and improved physical function during the 3 months after this intervention.
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Affiliation(s)
- Shu-Ching Chen
- Department of Nursing, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan.,Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Bing-Shen Huang
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tsung-Min Hung
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chien-Yu Lin
- Department of Radiation Oncology, Chang Gung Medical Foundation, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ya-Lan Chang
- Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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19
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Chen SC, Huang BS, Hung TM, Chang YL, Lin CY, Chung CY, Wu SC. Swallowing ability and its impact on dysphagia-specific health-related QOL in oral cavity cancer patients post-treatment. Eur J Oncol Nurs 2018; 36:89-94. [DOI: 10.1016/j.ejon.2018.07.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 06/01/2018] [Accepted: 07/04/2018] [Indexed: 10/28/2022]
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20
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Lee CY, Su CH, Tsai PK, Yang ML, Ho YC, Lee SS, Chen CH, Chen WY, Lin ML, Chen CJ, Chian CY, Huang-Liu R, Chang YL, Kuan YH. Cadmium nitrate-induced neuronal apoptosis is protected by N-acetyl-l-cysteine via reducing reactive oxygen species generation and mitochondria dysfunction. Biomed Pharmacother 2018; 108:448-456. [PMID: 30241048 DOI: 10.1016/j.biopha.2018.09.054] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 09/07/2018] [Accepted: 09/08/2018] [Indexed: 01/01/2023] Open
Abstract
Cigarette smoking is a well-established risk factor for various diseases, such as cardiovascular diseases, neurodegeneration, and cancer. Cadmium nitrate (Cd(NO3)2) is one of the major products from the cigarette smoke. Up to now, no supporting evidence on Cd(NO3)2-induced apoptosis and its related working mechanism in neurons has been found. In present study, the mode of cell death, caspase activities, reactive oxygen species (ROS) generation, and mitochondrial dysfunction in N2a cells, which are neuron-like cells, were assessed by Annexin V-FITC and PI assays, caspase fluorometric assay, DCFH-DA fluorescence assay, and JC-1 fluorescence assay respectively. The results showed that not only Cd(NO3)2 induced apoptosis and necrosis but also the activities of caspase-3 and -9 expressed in a concentration-dependent manner. In addition, Cd(NO3)2 also induced both mitochondrial dysfunction and ROS generation in a concentration-dependent manner. All these indicated that in N2a cells parallel trends could be observed in apoptosis, caspase-3 and -9 activities, mitochondrial dysfunction, and ROS generation when induced by Cd(NO3)2. Furthermore, Cd(NO3)2-induced apoptosis, caspases activities, mitochondrial dysfunction, and ROS generation were reduced by N-acetyl-l-cysteine (NAC). These results indicated that Cd(NO3)2-induced neuronal apoptosis was reduced by NAC via intrinsic apoptotic caspase cascade activities and their up-stream factors, including mitochondrial dysfunction and ROS generation.
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Affiliation(s)
- Chien-Ying Lee
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Chun-Hung Su
- Department of Internal Medicine, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Ping-Kun Tsai
- Department of Internal Medicine, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Ming-Ling Yang
- Department of Anatomy, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Yung-Chyuan Ho
- School of Medical Applied Chemistry, Chung Shan Medical University, Taichung, Taiwan
| | - Shiuan-Shinn Lee
- School of Public Health, Chung Shan Medical University, Taichung, Taiwan
| | - Chia-Hui Chen
- Department of Hair Styling and Design, Hung-Kuang University, Taichung, Taiwan
| | - Wen-Ying Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Meng-Liang Lin
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan
| | - Chun-Jung Chen
- Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Chen-Yu Chian
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Rosa Huang-Liu
- School of Nutrition, Chung Shan Medical University, Taichung, Taiwan
| | - Ya-Lan Chang
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan.
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21
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Lin WC, Lee MT, Chang SC, Chang YL, Shih CH, Yu B, Lee TT. Effects of mulberry leaves on production performance and the potential modulation of antioxidative status in laying hens. Poult Sci 2018; 96:1191-1203. [PMID: 28339512 DOI: 10.3382/ps/pew350] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Accepted: 08/26/2016] [Indexed: 12/20/2022] Open
Abstract
This study evaluated the antioxidant ability of Taisung No. 3 mulberry leaf extract (MLE) as well as the potential of mulberry leaf (ML)-based dietary supplementation for modulating the antioxidative status of laying hens. The results showed that the MLE had a total phenolic compound content of 7.4 ± 0.15 mg of gallic acid equivalent/g dry weight (DW) and a total flavonoid content of 4.4 ± 0.19 mg of quercetin equivalent/g DW. The 2, 2-diphenyl-1-picrylhydrazyl free-radical-scavenging ability was 45.9% when 0.1 mg/mL MLE was added. The lipid oxidation inhibition ability was 43.9% when 50 mg/mL MLE was added. We subjected 96 laying hens (Hendrix Genetics) to 4 treatments, namely diets supplemented with dry ML at 0 (control), 0.5, 1, or 2% for 12 weeks. Each treatment involved 8 replicates with 3 hens each. The results indicated that the 0.5% ML-supplemented group exhibited significantly higher mRNA levels of antioxidant-regulated genes, such as Nrf2, HO-1, and GST, and significantly lower ROMO1 gene expression levels at wk 12. The serum malondialdehyde level was lower and the catalase activity and superoxide dismutase activity were higher in all the ML-supplemented groups than in the control group. The egg mass and feed conversion rate significantly improved in the ML-supplemented groups compared with the control group, and, overall, 1% ML supplementation had the most favorable effects at one to 12 weeks. The egg yolk weight, shell weight, shell strength, shell thickness, yolk color, and Haugh unit were increased among all ML-supplemented groups at one to 12 weeks. On the basis of these observations, we conclude that 0.5% ML can be used as a new feed additive to potentially modulate the antioxidative status of laying hens and improve their production performance and egg quality.
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Affiliation(s)
- W C Lin
- Department of Animal Science, National Chung Hsing University, Taichung, 402, Taiwan
| | - M T Lee
- Department of Animal Science, National Chung Hsing University, Taichung, 402, Taiwan
| | - S C Chang
- Changhua Animal Propagation Station, Livestock Research Institute, Council of Agriculture, Executive Yuan, Changhua, 521, Taiwan
| | - Y L Chang
- Miaoli District Agricultural Research and Extension Station, Council of Agriculture, Executive Yuan, Miaoli, 363, Taiwan
| | - C H Shih
- Miaoli District Agricultural Research and Extension Station, Council of Agriculture, Executive Yuan, Miaoli, 363, Taiwan
| | - B Yu
- Department of Animal Science, National Chung Hsing University, Taichung, 402, Taiwan
| | - T T Lee
- Department of Animal Science, National Chung Hsing University, Taichung, 402, Taiwan
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22
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Chuang YC, Lee MC, Chang YL, Chen WH, Chen HH. Diurnal regulation of the floral scent emission by light and circadian rhythm in the Phalaenopsis orchids. Bot Stud 2017; 58:50. [PMID: 29143225 PMCID: PMC5688052 DOI: 10.1186/s40529-017-0204-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 11/09/2017] [Indexed: 05/22/2023]
Abstract
BACKGROUND Phalaenopsis bellina and its closely related species, P. violacea, emit linalool, geraniol and their derivatives as the predominant monoterpenes at the full-bloom stages. Geranyl diphosphate synthase (PbGDPS) is the key enzyme that converts precursors for monoterpene biosynthesis. Besides the monoterpenes being synthesized in concert with floral development stages, we noticed that the scent emission of P. bellina and P. violacea was detected mainly in the daytime. RESULTS The monoterpenes of P. violacea flowers displayed a diurnal emission pattern, which was regulated by an internal oscillator in the treatment of constant light. In contrast, constant dark diminished the scent emission levels, indicating that light also affects monoterpene emission in P. violacea. Further treating P. violacea with various light wavelengths showed that the monoterpene emission was greatest in white light condition. Other Phalaenopsis hybrids, including P. I-Hsin Venus 'KHM2212' and P. Meidarland Bellina Age 'LM128', responded differently to various light wavelengths but most of them still showed the highest scent emission under the whole spectra of light. A great number of light-responsive, HY5-interacting, and circadian-responsive elements was enriched on the promoters of both structural genes and transcription factors for monoterpene biosynthesis. Furthermore, several putative genes encoding components involved in light and circadian signaling pathways were also identified in the transcriptome of P. bellina flowers at consecutive stages (from the anthesis day to day 7 post anthesis). CONCLUSIONS Taken together, both circadian clock and light factors had positive effects on orchid floral scent emission, and the regulation resided on the control of both structural genes and transcription factors for monoterpene biosynthesis.
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Affiliation(s)
- Yu-Chen Chuang
- Department of Life Sciences, National Cheng Kung University, Tainan, 701 Taiwan
| | - Ming-Chi Lee
- Department of Life Sciences, National Cheng Kung University, Tainan, 701 Taiwan
| | - Ya-Lan Chang
- Department of Life Sciences, National Cheng Kung University, Tainan, 701 Taiwan
| | - Wen-Huei Chen
- Orchid Research and Development Center, National Cheng Kung University, Tainan, 701 Taiwan
| | - Hong-Hwa Chen
- Department of Life Sciences, National Cheng Kung University, Tainan, 701 Taiwan
- Orchid Research and Development Center, National Cheng Kung University, Tainan, 701 Taiwan
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23
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Chang YL, Tseng SF, Huang YC, Shen ZJ, Hsu PH, Hsieh MH, Yang CW, Tognetti S, Canal B, Subirana L, Wang CW, Chen HT, Lin CY, Posas F, Teng SC. Yeast Cip1 is activated by environmental stress to inhibit Cdk1-G1 cyclins via Mcm1 and Msn2/4. Nat Commun 2017; 8:56. [PMID: 28676626 PMCID: PMC5496861 DOI: 10.1038/s41467-017-00080-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [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: 05/13/2016] [Accepted: 06/01/2017] [Indexed: 12/20/2022] Open
Abstract
Upon environmental changes, proliferating cells delay cell cycle to prevent further damage accumulation. Yeast Cip1 is a Cdk1 and Cln2-associated protein. However, the function and regulation of Cip1 are still poorly understood. Here we report that Cip1 expression is co-regulated by the cell-cycle-mediated factor Mcm1 and the stress-mediated factors Msn2/4. Overexpression of Cip1 arrests cell cycle through inhibition of Cdk1–G1 cyclin complexes at G1 stage and the stress-activated protein kinase-dependent Cip1 T65, T69, and T73 phosphorylation may strengthen the Cip1and Cdk1–G1 cyclin interaction. Cip1 accumulation mainly targets Cdk1–Cln3 complex to prevent Whi5 phosphorylation and inhibit early G1 progression. Under osmotic stress, Cip1 expression triggers transient G1 delay which plays a functionally redundant role with another hyperosmolar activated CKI, Sic1. These findings indicate that Cip1 functions similarly to mammalian p21 as a stress-induced CDK inhibitor to decelerate cell cycle through G1 cyclins to cope with environmental stresses. A G1 cell cycle regulatory kinase Cip1 has been identified in budding yeast but how this is regulated is unclear. Here the authors identify cell cycle (Mcm1) and stress-mediated (Msn 2/4) transcription factors as regulating Cip1, causing stress induced CDK inhibition and delay in cell cycle progression.
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Affiliation(s)
- Ya-Lan Chang
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Shun-Fu Tseng
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan.,Department and Graduate Institute of Microbiology and Immunology, National Defense Medical Center, Taipei, 11490, Taiwan
| | - Yu-Ching Huang
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Zih-Jie Shen
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Pang-Hung Hsu
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Meng-Hsun Hsieh
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Chia-Wei Yang
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Silvia Tognetti
- Cell Signaling Research Group, Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, 08003, Spain
| | - Berta Canal
- Cell Signaling Research Group, Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, 08003, Spain
| | - Laia Subirana
- Cell Signaling Research Group, Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, 08003, Spain
| | - Chien-Wei Wang
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Hsiao-Tan Chen
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Chi-Ying Lin
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Francesc Posas
- Cell Signaling Research Group, Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, 08003, Spain
| | - Shu-Chun Teng
- Department of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan.
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24
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Tseng MH, Lin KH, Huang YJ, Chang YL, Huang SC, Kuo LY, Huang YM. Detection of chlorophylls in spores of seven ferns. J Plant Res 2017; 130:407-416. [PMID: 28050681 DOI: 10.1007/s10265-016-0901-5] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 11/21/2016] [Indexed: 06/06/2023]
Abstract
Fern spores were traditionally classified into chlorophyllous (green) and nonchlorophyllous (nongreen) types based on the color visible to the naked eye. Recently, a third type, "cryptochlorophyllous spores", is recognized, and these spores are nongreen under white light but contain chlorophylls. Epifluorescence microscopy was previously used to detect chlorophylls in cryptochlorophyllous spores. In addition to epifluorescence microscopy, current study performed some other approaches, including spore-squash epifluorescence, absorption spectra, laser-induced fluorescence emission spectra, thin layer chromatography (TLC), and ultra-high performance liquid chromatography with ultraviolet and mass spectrometric detection (UHPLC-UV-MS) in order to detect chlorophylls of spores of seven ferns (Sphaeropteris lepifera, Ceratopteris thalictroides, Leptochilus wrightii, Leptochilus pothifolius, Lepidomicrosorum buergerianum, Osmunda banksiifolia, and Platycerium grande). Destructive methods, such as TLC and UHPLC-UV-MS, successfully detected chlorophylls inside the spores when their signals of red fluorescence under epifluorescence microscope were masked by spore wall. Although UHPLC-UV-MS analysis was the most sensitive and reliable for determining the chlorophylls of spores, spore-squash epifluorescence is not only reliable but also cost- and time-effective one among our study methods. In addition, we first confirmed that Lepidomicrosorium buergerianum, Leptochilus pothifolius, Leptochilus wrightii, and Platycerium grande, produce cryptochlorophyllous spores.
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Affiliation(s)
- Mei-Hwei Tseng
- Department of Applied Physics and Chemistry, University of Taipei, Taipei, Taiwan
| | - Kuei-Huei Lin
- Department of Applied Physics and Chemistry, University of Taipei, Taipei, Taiwan
| | - Yi-Jia Huang
- Department of Applied Physics and Chemistry, University of Taipei, Taipei, Taiwan
| | - Ya-Lan Chang
- Dr. Cecilia Koo Botanic Conservation Center, Pingtung, Taiwan
| | - Sheng-Cih Huang
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, Taiwan
| | - Li-Yaung Kuo
- Division of Silviculture, Taiwan Forestry Research Institute, Taipei, Taiwan
| | - Yao-Moan Huang
- Division of Silviculture, Taiwan Forestry Research Institute, Taipei, Taiwan.
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25
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Liu W, Liu GH, Liao RB, Chang YL, Huang XY, Wu YB, Yang HM, Yan HJ, Cai HY. Apparent metabolizable and net energy values of corn and soybean meal for broiler breeding cocks. Poult Sci 2017; 96:135-143. [PMID: 27287380 DOI: 10.3382/ps/pew195] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [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] [Revised: 01/20/2016] [Accepted: 04/18/2016] [Indexed: 11/20/2022] Open
Abstract
The AME and net energy (NE) values of 4 corn varieties, including 2 normal corn varieties (Zheng Dan 958 and Xian Yu 335), and one each of waxy corn and sweet corn, and 2 soybean meal samples including regular (RSBM) and dehulled soybean meal (DSBM), were determined in 2 experiments for broiler breeding cocks using the indirect calorimetry method. The 4 test diets in Experiment 1 consisted of each test corn, which replaced 40% of the corn-soybean meal basal diet, and the test diets in Experiment 2 contained 25% RSBM or DSBM, which was used to replace the corn basal diet. Thirty (Experiment 1) or 18 (Experiment 2) 50-week-old Arbor Acre (AA) broiler breeding cocks were used in a completely randomized design. After a 7 d dietary adaptation period, 6 birds as replicates from each treatment were assigned to individual respiration chambers for energy measurement via gaseous exchange and total excreta collection for 10 d. In Experiment 1, the AME, ME intake (MEI), retained energy (RE), NE, and NE:AME ratio values were higher (P < 0.001) in the test diets as compared with the corn-soybean meal basal diet. The AME and NE values in the sweet corn diet were higher (P < 0.05) than those values in the other 3 test diets. The heat production (HP), fasting heat production (FHP), and respiration quotient (RQ) were not influenced by the various experimental diets. The respective AME and NE values were 3,785, 3,775, 3,738, and 3,997 kcal/kg (DM basis), and 2,982, 3,006, 2,959, and 3,146 kcal/kg (DM basis) for Zheng Dan 958, Xian Yu 335, waxy corn, and sweet corn. Birds fed a corn basal diet in Experiment 2 had higher AME, MEI, RE, NE, and NE:AME ratio values (P < 0.001). Soybean meal substitution had no effect on HP, FHP, or RQ. The average AME and NE content was 2,492 and 1,581 kcal/kg (DM basis) for RSBM, and 2,580 and 1,654 kcal/kg (DM basis) for DSBM, respectively.
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Affiliation(s)
- W Liu
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
| | - G H Liu
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
| | - R B Liao
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
| | - Y L Chang
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
| | - X Y Huang
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
| | - Y B Wu
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
| | - H M Yang
- Jilin Academy of Agricultural Sciences, 1363 Caiyu Street, Changchun, China
| | - H J Yan
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
| | - H Y Cai
- The key laboratory of feed biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, China
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26
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Lee CY, Yu MC, Perng WT, Lin CC, Lee MY, Chang YL, Lai YY, Lee YC, Kuan YH, Wei JCC, Shih HC. No additional cholesterol-lowering effect observed in the combined treatment of red yeast rice and Lactobacillus casei in hyperlipidemic patients: A double-blind randomized controlled clinical trial. Chin J Integr Med 2016; 23:581-588. [PMID: 27838874 DOI: 10.1007/s11655-016-2530-1] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To observe the effect of combining red yeast rice and Lactobacillus casei (L. casei) in lowering cholesterol in patients with primary hyperlipidemia, the later has also been shown to remove cholesterol in in vitro studies. METHODS A double-blind clinical trial was conducted to evaluate the cholesterol-lowering effect of the combination of red yeast rice and L. casei. Sixty patients with primary hyperlipidemia were recruited and randomized equally to either the treatment group (red yeast rice + L. casei) or the control group (red yeast rice + placebo). One red yeast rice capsule and two L. casei capsules were taken twice a day. The treatment lasted for 8 weeks, with an extended follow-up period of 4 weeks. The primary endpoint was a difference of serum low-density lipoprotein cholesterol (LDL-C) level at week 8. RESULTS At week 8, the LDL-C serum level in both groups was lower than that at baseline, with a decrease of 33.85±26.66 mg/dL in the treatment group and 38.11±30.90 mg/dL in the control group; however, there was no statistical difference between the two groups (P>0.05). The total cholesterol was also lower than the baseline in both groups, yet without a statistical difference between the two groups. The only statistically signifificant difference between the two groups was the average diastolic pressure at week 12, which dropped by 2.67 mm Hg in the treatment group and increased by 4.43 mm Hg in the placebo group (P<0.05). The antihypertensive activity may be associated with L. casei. Red yeast rice can signifificantly reduce LDL-C, total cholesterol and triglyceride. CONCLUSION The combination of red yeast rice and L. casei did not have an additional effect on lipid profifiles.
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Affiliation(s)
- Chien-Ying Lee
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, 40201, China.,Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, 40201, China.,Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, 40201, China
| | - Min-Chien Yu
- Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, 40201, China.,Department of Integrated Chinese and Western Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan, 40201, China
| | - Wu-Tsun Perng
- Department of Recreation Sport & Health Promotion, National Pingtung University of Science and Technology, Taiwan, 91201, China
| | - Chun-Che Lin
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, 40201, China.,Division of Hepatogastroenterology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan, 40201, China
| | - Ming-Yung Lee
- Department of Statistics and Informatics Science, Providence University, Taiwan, 43301, China
| | - Ya-Lan Chang
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, 40201, China.,Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, 40201, China
| | - Ya-Yun Lai
- Department of Applied Cosmetology, National Tainan Junior College of Nursing, China, Taiwan, 700
| | - Yi-Ching Lee
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, 40201, China.,Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, 40201, China
| | - Yu-Hsiang Kuan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, 40201, China.,Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, 40201, China
| | - James Cheng-Chung Wei
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, 40201, China.,Department of Internal Medicine, Chung Shan Medical University Hospital; Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan, 40201, China
| | - Hung-Che Shih
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, 40201, China. .,Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, 40201, China. .,Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, 40201, China.
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27
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Lee CY, Shih HC, Yu MC, Lee MY, Chang YL, Lai YY, Lee YC, Kuan YH, Lin CC. Evaluation of the potential inhibitory activity of a combination of L. acidophilus, L. rhamnosus and L. sporogenes on Helicobacter pylori: A randomized double-blind placebo-controlled clinical trial. Chin J Integr Med 2016; 23:176-182. [DOI: 10.1007/s11655-016-2531-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Indexed: 01/06/2023]
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28
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Liao CT, Kang CJ, Lee LY, Hsueh C, Lin CY, Fan KH, Wang HM, Ng SH, Lin CH, Tsao CK, Fang TJ, Huang SF, Chang KP, Chang YL, Yang LY, Yen TC. Association between multidisciplinary team care approach and survival rates in patients with oral cavity squamous cell carcinoma. Head Neck 2016; 38 Suppl 1:E1544-53. [PMID: 26890807 DOI: 10.1002/hed.24276] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 07/07/2015] [Accepted: 09/13/2015] [Indexed: 11/08/2022] Open
Affiliation(s)
- Chun-Ta Liao
- Department of Otorhinolaryngology - Head and Neck Surgery; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Chung-Jan Kang
- Department of Otorhinolaryngology - Head and Neck Surgery; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Li-Yu Lee
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Pathology; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Chuen Hsueh
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Pathology; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Chien-Yu Lin
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Radiation Oncology; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Kang-Hsing Fan
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Radiation Oncology; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Hung-Ming Wang
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Medical Oncology; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Shu-Hang Ng
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Diagnostic Radiology; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Chih-Hung Lin
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Plastic and Reconstructive Surgery; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Chung-Kan Tsao
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Plastic and Reconstructive Surgery; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Tuan-Jen Fang
- Department of Otorhinolaryngology - Head and Neck Surgery; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Shiang-Fu Huang
- Department of Otorhinolaryngology - Head and Neck Surgery; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Kai-Ping Chang
- Department of Otorhinolaryngology - Head and Neck Surgery; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Ya-Lan Chang
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Nursing; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Lan Yan Yang
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Biostatistics and Informatics Unit; Clinical Trial Center, Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
| | - Tzu-Chen Yen
- Department of Head and Neck Oncology Group; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
- Nuclear Medicine and Molecular Imaging Center; Linkou Chang Gung Memorial Hospital and Chang Gung University; Taoyuan Taiwan Republic of China
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Han B, Zhang XY, Wang DY, Ren WW, Gu YY, Zhu L, Chang YL, Wang LP, Wu CW, Jin QQ, Chen C, Lyu DZ, Zhao JY, Shao B, He JC. Serum brain-derived neurotrophic factor levels and psychotic symptoms in heroin dependence. Compr Psychiatry 2015; 62:80-5. [PMID: 26343470 DOI: 10.1016/j.comppsych.2015.06.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [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: 04/01/2015] [Accepted: 06/06/2015] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVES Psychotic symptoms are commonly observed among heroin users. Low serum brain-derived neurotrophic factor (BDNF) levels have been reported in schizophrenia and psychosis; however, studies assessing the relationship between serum BDNF levels and psychotic symptoms in heroin dependence are lacking. METHOD A total of 31 heroin-dependent patients who had never experienced psychotic symptoms during heroin consumption and 21 patients with a history of psychotic symptoms were consecutively recruited. We measured by enzyme-linked immunosorbent assay (ELISA) serum BDNF levels during early abstinence. A gender- and age-matched sample of healthy controls was also recruited and underwent measurement of BDNF. RESULTS BDNF levels were significantly lower in patients with psychotic symptoms than in those without psychotic symptoms (P<0.001). BDNF levels were not found to be correlated with sex, age, age of onset, duration of heroin use, average daily dose of heroin use, frequency of heroin use, SDS scores, BAI scores and BDI scores in the psychotic subsamples (all P>0.05). CONCLUSIONS Our findings suggest that heroin-dependent patients with psychotic symptoms share some of the neurotrophic insult that characterizes schizophrenia and psychosis.
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Affiliation(s)
- B Han
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - X Y Zhang
- Beijing HuiLongGuan Hospital, Peking University, Beijing, BJ 100096, PR China; Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX 77030, USA
| | - D Y Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China; Department of Psychiatry, People's Hospital of Yueqing, Wenzhou, 325600, China
| | - W W Ren
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Y Y Gu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - L Zhu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Y L Chang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - L P Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - C W Wu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Q Q Jin
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - C Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - D Z Lyu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - J Y Zhao
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - B Shao
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - J C He
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China.
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Chang YL, Hsieh MH, Chang WW, Wang HY, Lin MC, Wang CP, Lou PJ, Teng SC. Instability of succinate dehydrogenase in SDHD polymorphism connects reactive oxygen species production to nuclear and mitochondrial genomic mutations in yeast. Antioxid Redox Signal 2015; 22:587-602. [PMID: 25328978 PMCID: PMC4334101 DOI: 10.1089/ars.2014.5966] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [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] [Indexed: 01/23/2023]
Abstract
AIMS Mitochondrial succinate dehydrogenase (SDH) is an essential complex of the electron transport chain and tricarboxylic acid cycle. Mutations in the human SDH subunit D frequently lead to paraganglioma (PGL), but the mechanistic consequences of the majority of SDHD polymorphisms have yet to be unraveled. In addition to the originally discovered yeast SDHD subunit Sdh4, a conserved homolog, Shh4, has recently been identified in budding yeast. To assess the pathogenic significance of SDHD mutations in PGL patients, we performed functional studies in yeast. RESULTS SDHD protein expression was reduced in SDHD-related carotid body tumor tissues. A BLAST search of SDHD to the yeast protein database revealed a novel protein, Shh4, that may have a function similar to human SDHD and yeast Sdh4. The missense SDHD mutations identified in PGL patients were created in Sdh4 and Shh4, and, surprisingly, a severe respiratory incompetence and reduced expression of the mutant protein was observed in the sdh4Δ strain expressing shh4. Although shh4Δ cells showed no respiratory-deficient phenotypes, deletion of SHH4 in sdh4Δ cells further abolished mitochondrial function. Remarkably, sdh4Δ shh4Δ strains exhibited increased reactive oxygen species (ROS) production, nuclear DNA instability, mtDNA mutability, and decreased chronological lifespan. INNOVATION AND CONCLUSION SDHD mutations are associated with protein and nuclear and mitochondrial genomic instability and increase ROS production in our yeast model. These findings reinforce our understanding of the mechanisms underlying PGL tumorigenesis and point to the yeast Shh4 as a good model to investigate the possible pathogenic relevance of SDHD in PGL polymorphisms.
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Affiliation(s)
- Ya-Lan Chang
- 1 Department of Microbiology, College of Medicine, National Taiwan University , Taipei, Taiwan
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Hsu YH, Huang MC, Chang HY, Shin SJ, Wahlqvist ML, Chang YL, Hsu KC, Hsu CC. Association between serum ferritin and microalbuminuria in Type 2 diabetes in Taiwan. Diabet Med 2013; 30:1367-73. [PMID: 23756251 DOI: 10.1111/dme.12257] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [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] [Accepted: 06/06/2013] [Indexed: 12/01/2022]
Abstract
AIMS Serum ferritin has been found closely related with diabetes and glucose metabolism, but its impact on diabetic nephropathy remains unknown. This study aimed to explore the association between serum ferritin and microalbuminuria in Type 2 diabetes. METHODS Eight hundred and fifty-one subjects with Type 2 diabetes were selected from a cohort participating in a glycaemic control study in Taiwan in 2008. We used urine albumin:creatinine ratio to define microalbuminuria; serum ferritin was divided into quartiles for analysis. Logistic regression and trend tests were used to delineate the association between serum ferritin and microalbuminuria. RESULTS Subjects with diabetes with higher ferritin tended to have more metabolic disorders, higher high-sensitivity C-reactive protein and higher prevalence of microalbuminuria. Compared with those in the lowest quartile, subjects with diabetes in the highest ferritin quartile were 55% (P = 0.029) more likely to have microalbuminuria. After controlling for demographics, metabolic profiles and other inflammatory markers, the association between serum ferritin levels and microalbuminuria remained significant (P for trend < 0.001). This independent relationship was not changed either for those who had better glycaemic control or those who had not used an angiotensin-converting enzyme inhibitor or angiotensin receptor blocker. CONCLUSIONS The current study shows hyperferritinemia may be an independent risk factor of nephropathy in patients with Type 2 diabetes.
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Affiliation(s)
- Y H Hsu
- Division of Nephrology, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi; Department of Health Services Administration, China Medical University, Taichung; Department of Nursing, Min-Hwei College of Health Care Management, Tainan
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Chang YL, Hsieh CL, Huang YM, Chiou WL, Kuo YH, Tseng MH. Modified method for determination of sulfur metabolites in plant tissues by stable isotope dilution-based liquid chromatography-electrospray ionization-tandem mass spectrometry. Anal Biochem 2013; 442:24-33. [PMID: 23911527 DOI: 10.1016/j.ab.2013.07.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [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: 11/25/2012] [Revised: 07/18/2013] [Accepted: 07/19/2013] [Indexed: 12/25/2022]
Abstract
A wide variety of sulfur metabolites play important roles in plant functions. We have developed a precise and sensitive method for the simultaneous measurement of several sulfur metabolites based on liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) and (34)S metabolic labeling of sulfur-containing metabolites in Arabidopsis thaliana seedlings. However, some sulfur metabolites were unstable during the extraction procedure. Our proposed method does not allow for the detection of the important sulfur metabolite homocysteine because of its instability during sample extraction. Stable isotope-labeled sulfur metabolites of A. thaliana shoot were extracted and utilized as internal standards for quantification of sulfur metabolites with LC-MS/MS using S-adenosylmethionine (SAM), S-adenosylhomocysteine (SAH), methionine (Met), glutathione (GSH), and glutathione disulfide (GSSG) as example metabolites. These metabolites were detected using electrospray ionization in positive mode. Standard curves were linear (r(2)>0.99) over a range of concentrations (SAM 0.01-2.0μM, SAH 0.002-0.10μM, Met 0.05-4.0μM, GSH 0.17-20.0μM, GSSG 0.07-20.0μM), with limits of detection for SAM, SAH, Met, GSH, and GSSG of 0.83, 0.67, 10, 0.56, and 1.1nM, respectively; and the within-run and between-run coefficients of variation based on quality control samples were less than 8%.
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Affiliation(s)
- Ya-Lan Chang
- Department of Applied Physics and Chemistry, University of Taipei, Taipei 10048, Taiwan
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Wang ZB, Helander MG, Qiu J, Gao D, Chang YL, Lu ZH. C60:LiF nanocomposite for high power efficiency fluorescent organic light-emitting diodes. Nanotechnology 2012; 23:344010. [PMID: 22885343 DOI: 10.1088/0957-4484/23/34/344010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
To reduce the driving voltage, and hence enhance the power efficiency of OLEDs, the mobility of the various carrier transport layers needs to be increased. Buckminsterfullerene (C(60)) has been proposed to be one possible alternative conductive electron transport layer (ETL) to enhance the power efficiency in OLEDs, due to its high conductivity and the formation of an ohmic contact with the LiF/Al cathode. The optical properties of a nanocomposite of C(60) with LiF (C(60):LiF) and its potential as an efficient ETL in OLEDs was studied. With proper optimization of the device structure, a more than 50% improvement in the power efficiency, without sacrificing the high EQE, in optimized fluorescent OLEDs with the use of C(60):LiF nanocomposite ETL was achieved.
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Affiliation(s)
- Z B Wang
- Department of Materials Science and Engineering, University of Toronto, Toronto, ON, Canada
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Guo S, Fabian O, Chang YL, Chen JT, Lackowski WM, Barbara PF. Electrogenerated Chemiluminescence of Conjugated Polymer Films from Patterned Electrodes. J Am Chem Soc 2011; 133:11994-2000. [DOI: 10.1021/ja200123b] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Song Guo
- Department of Chemistry and Biochemistry and Center for Nano and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, United States
| | - Omar Fabian
- Materials Science and Engineering Program, University of Texas at Austin, Austin, Texas 78712, United States
| | - Ya-Lan Chang
- Department of Chemistry and Biochemistry and Center for Nano and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, United States
| | - Jiun-Tai Chen
- Department of Chemistry and Biochemistry and Center for Nano and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, United States
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, Taiwan 30050
| | - William M. Lackowski
- Department of Chemistry and Biochemistry and Center for Nano and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, United States
| | - Paul F. Barbara
- Department of Chemistry and Biochemistry and Center for Nano and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, United States
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Leung TK, Lee CM, Chang NC, Chang YL. Magnetic resonance venography evaluating veins flow for legs by application of long stretch elastic bandage. INT ANGIOL 2011; 30:278-285. [PMID: 21617612] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
AIM Varicose veins are a common feature of chronic venous disease that causes pain and swelling of legs. Long stretch elastic bandages are one of the methods used to prevent and treat venous disease, but diagnostic benefit by magnetic resonance imaging (MRI) is not widely promoted. This study aims to evaluate the effects of long stretch elastic bandages using a non-contrast magnetic resonance venographic (MRV) technique by detecting influence on circumferences and flow velocities of varicose and deep veins, before and immediately after application of long stretch elastic bandages. METHODS Twelve patients presenting with visible varicose veins underwent MRV. The level of the superficial varicose and deep veins before and after wearing long stretch elastic bandages was recorded. RESULTS By comparing before and after long stretch elastic bandages, all 12 cases showed statistical significant decrease of the superficial venous flow areas; 9 out of 12 cases showed statistical significant change of the superficial (decreased) and deep (increased) venous flow rates. However, due to technical limitation, over half of the cases could not record the change of the deep venous flow areas. CONCLUSION The non-contrast MRV technique with Cine phase contrast, is capable to detect the short term beneficial effects of long stretch elastic bandages by measuring change of the superficial venous flow areas and superficial and deep venous flow rates.
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Affiliation(s)
- T K Leung
- Department of Diagnostic Radiology, Taipei Medical University Hospital, Taipei, Taiwan.
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Huang YH, Chen YP, Liang CC, Chang YL, Hsieh CC. Impetigo herpetiformis with gestational hypertension: a case report and literature review. Dermatology 2011; 222:221-4. [PMID: 21494028 DOI: 10.1159/000326913] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2011] [Accepted: 02/28/2011] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Impetigo herpetiformis (IH) is a rare skin disorder that occurs during pregnancy. It was previously associated with high maternal and fetal mortality and morbidity, but now has a better prognosis. CASE REPORT We report a case of a pregnant woman with IH who presented with generalized erythematous pustular eruptions in the 32nd week of gestation. The IH progressed rapidly, and gestational hypertension was observed in the 36th week. The lesions did not subside, despite treatment with corticosteroids and phototherapy. She delivered a healthy male baby via cesarean section in the 37th week. One month after her delivery, her skin returned to normal, except for residual pigmentation, with complete recovery 3 months postpartum. CONCLUSION An experienced medical team comprising obstetricians, dermatologists, perinatologists and neonatologists is critical to aggressively treat this life-threatening specific dermatosis of pregnancy and to prevent ensuing complications, such as fluid and electrolyte imbalance, secondary infection and placental insufficiency.
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Affiliation(s)
- Y H Huang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taipei, Taiwan, ROC
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Chen JT, Chang YL, Guo S, Fabian O, Lackowski WM, Barbara PF. Electrogenerated Chemiluminescence of Pure Polymer Films and Polymer Blends. Macromol Rapid Commun 2011; 32:598-603. [DOI: 10.1002/marc.201000747] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2010] [Revised: 01/18/2011] [Indexed: 11/08/2022]
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Chang KP, Kao HK, Yen TC, Chang YL, Liang Y, Liu SC, Lee LY, Chang YL, Kang CJ, Chen IH, Liao CT, Yu JS. Overexpression of macrophage inflammatory protein-3α in oral cavity squamous cell carcinoma is associated with nodal metastasis. Oral Oncol 2011; 47:108-13. [DOI: 10.1016/j.oraloncology.2010.11.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Revised: 11/18/2010] [Accepted: 11/19/2010] [Indexed: 01/11/2023]
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Palacios RE, Chang WS, Grey JK, Chang YL, Miller WL, Lu CY, Henkelman G, Zepeda D, Ferraris J, Barbara PF. Detailed Single-Molecule Spectroelectrochemical Studies of the Oxidation of Conjugated Polymers. J Phys Chem B 2009; 113:14619-28. [DOI: 10.1021/jp906740n] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rodrigo E. Palacios
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - Wei-Shun Chang
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - John K. Grey
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - Ya-Lan Chang
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - William L. Miller
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - Chun-Yaung Lu
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - Graeme Henkelman
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - Danny Zepeda
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - John Ferraris
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
| | - Paul F. Barbara
- Department of Chemistry and Biochemistry and the Center for Nano- and Molecular Science and Technology, University of Texas at Austin, Austin, Texas 78712, and Department of Chemistry and the Alan G. McDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, Texas 75083-0688
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Chang YL, Palacios RE, Chen JT, Stevenson KJ, Guo S, Lackowski WM, Barbara PF. Electrogenerated Chemiluminescence of Soliton Waves in Conjugated Polymers. J Am Chem Soc 2009; 131:14166-7. [DOI: 10.1021/ja9066018] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ya-Lan Chang
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology, and Center for Electrochemistry, the University of Texas at Austin, Austin, Texas 78712
| | - Rodrigo E. Palacios
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology, and Center for Electrochemistry, the University of Texas at Austin, Austin, Texas 78712
| | - Jiun-Tai Chen
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology, and Center for Electrochemistry, the University of Texas at Austin, Austin, Texas 78712
| | - Keith J. Stevenson
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology, and Center for Electrochemistry, the University of Texas at Austin, Austin, Texas 78712
| | - Song Guo
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology, and Center for Electrochemistry, the University of Texas at Austin, Austin, Texas 78712
| | - William M. Lackowski
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology, and Center for Electrochemistry, the University of Texas at Austin, Austin, Texas 78712
| | - Paul F. Barbara
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology, and Center for Electrochemistry, the University of Texas at Austin, Austin, Texas 78712
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Abstract
The challenge of heart transplantation in patients with situs inversus is reconstruction of the systemic venous return. Herein we have presented 2 cases of complex congenital heart disease with atriovisceral situs inversus. Both of the patients shared many common cardiac anomalies, such as a single ventricle, a single AV valve with severe regurgitation, and severe pulmonary stenosis. We completed the venous connection in 2 different ways. In the first case, the donor inferior vena cava (IVC) was anastomosed to the recipient left-sided IVC directly, making the heart slightly counterclockwise rotated. In the second case, the IVC venous reconnection was accomplished by a composite conduit made of recipient right atrium.
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Affiliation(s)
- Y L Chang
- Heart Center, Cheng-Hsin General Hospital, Taipei, Taiwan, R.O.C
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Wu SY, Pan SL, Chen TH, Liao CH, Huang DY, Guh JH, Chang YL, Kuo SC, Lee FY, Teng CM. YC-1 induces apoptosis of human renal carcinoma A498 cells in vitro and in vivo through activation of the JNK pathway. Br J Pharmacol 2008; 155:505-13. [PMID: 18641674 DOI: 10.1038/bjp.2008.292] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND AND PURPOSE The aim of this study was to elucidate the mechanism of YC-1{3-(5'-hydroxy methyl-2'-furyl)-1-benzylindazole}-induced human renal carcinoma cells apoptosis and to evaluate the potency of YC-1 in models of tumour growth in mice. EXPERIMENTAL APPROACH YC-1-mediated apoptosis was assessed by analysis of MTT, SRB, DAPI staining and flow cytometry analysis. Knockdown of JNK protein was achieved by transient transfection using siRNA. The mechanisms of action of YC-1 on different signalling pathways involved were studied using western blot. Fas clustering was analysed by confocal microscopy and in vivo efficacy was examined in a A498 xenograft model. KEY RESULTS YC-1 displayed cytotoxicity in renal carcinoma cells at 10(-7)-10(-8) M. Increased condensation of chromatin was observed and an increase in the cell population in subG1 phase. Moreover, YC-1 triggered mitochondria-mediated and caspase-dependent pathways. YC-1 significantly induced Fas ligand expression, but did not modify either the protein levels of death receptors or ligands. In addition, Fas clustering in cells responsive to YC-1 was observed, suggesting involvement of a Fas-mediated pathway. Furthermore, YC-1 markedly induced phosphorylation of JNK and a JNK inhibitor, SP600125, and siRNA JNK1/2 significantly reversed YC-1-induced cytotoxicity and protein expression. We suggest that YC-1 induced JNK phosphorylation, the upregulation of FasL and Fas receptor clustering to promote the activation of caspases 8 and 3, resulting in apoptosis. Finally, we demonstrated the antitumour effect of YC-1 in vivo. CONCLUSIONS AND IMPLICATIONS These data suggest that YC-1 is a good candidate for development as an anticancer drug.
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Affiliation(s)
- S Y Wu
- Department of Pharmacology, College of Medicine, Pharmacological Institute, National Taiwan University, Taipei, Taiwan
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Chang YL, Palacios RE, Fan FRF, Bard AJ, Barbara PF. Electrogenerated Chemiluminescence of Single Conjugated Polymer Nanoparticles. J Am Chem Soc 2008; 130:8906-7. [DOI: 10.1021/ja803454x] [Citation(s) in RCA: 125] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ya-Lan Chang
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology and Center for Electrochemistry, The University of Texas at Austin, Austin, Texas 78712
| | - Rodrigo E. Palacios
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology and Center for Electrochemistry, The University of Texas at Austin, Austin, Texas 78712
| | - Fu-Ren F. Fan
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology and Center for Electrochemistry, The University of Texas at Austin, Austin, Texas 78712
| | - Allen J. Bard
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology and Center for Electrochemistry, The University of Texas at Austin, Austin, Texas 78712
| | - Paul F. Barbara
- Department of Chemistry and Biochemistry, Center for Nano- and Molecular Science and Technology and Center for Electrochemistry, The University of Texas at Austin, Austin, Texas 78712
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Al Akhrass S, Reiter G, Hou SY, Yang MH, Chang YL, Chang FC, Wang CF, Yang ACM. Viscoelastic thin polymer films under transient residual stresses: two-stage dewetting on soft substrates. Phys Rev Lett 2008; 100:178301. [PMID: 18518343 DOI: 10.1103/physrevlett.100.178301] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2007] [Indexed: 05/26/2023]
Abstract
A nonmonotonic, two-stage dewetting behavior was observed for spin coated thin viscoelastic polymer films on soft elastic substrates. At times shorter than the relaxation time of the polymer (t<tau_{rep}), dewetting generated deep trenches in the soft rubbery substrate which, in turn, almost stopped dewetting. At later stages (t>>tau_{rep}), dewetting accelerated, accompanied by an unstable rim. However, holes nucleated at t<tau_{rep} showed only this second-stage behavior. Our observations are attributed to large elastic deformations in the substrate caused by transient residual stresses within the film.
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Affiliation(s)
- S Al Akhrass
- Institute de Chimie des Surfaces et Interfaces, UHA-CNRS, 15, rue J. Starcky, 68057 Mulhouse Cedex, France
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Chao AS, Chao A, Wang TH, Chang YC, Chang YL, Hsieh CC, Lien R, Su WJ. Outcome of antenatally diagnosed cardiac rhabdomyoma: case series and a meta-analysis. Ultrasound Obstet Gynecol 2008; 31:289-295. [PMID: 18307215 DOI: 10.1002/uog.5264] [Citation(s) in RCA: 94] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
OBJECTIVES Rhabdomyoma, the most common primary fetal cardiac tumor, is often associated with tuberous sclerosis (TS). We aimed to evaluate outcome in cases diagnosed with fetal cardiac rhabdomyoma. METHODS This study presents 11 cases with fetal cardiac rhabdomyoma. In addition, all relevant published cases of antenatally diagnosed cardiac rhabdomyoma since 1982 were identified from MEDLINE. We evaluated the following risk factors associated with clinical impact and perinatal outcome: family history of TS, gestational age at diagnosis, tumor size, site and number of tumors, tumor progression, and associated intracardiac and extracardiac anomalies. RESULTS In this meta-analysis, 138 cases, including nine newly added by us, were categorized into Group A (107 live babies) and Group B (16 neonatal deaths and 15 intrauterine fetal deaths). Univariate analysis showed that large cardiac tumors (P < 0.0001), fetal dysrhythmia (P < 0.0001) and hydrops (P < 0.0001) were strong predictors of neonatal outcome. Tumor size >or= 20 mm (relative risk (RR), 20.6; 95% CI, 2.2-195.9; P = 0.009) and fetal dysrhythmia (RR, 13.6; 95% CI, 2.9-62.3; P = 0.001) were significantly associated with neonatal morbidity. TS, present in 85/133 (63.9%) cases, was significantly associated with multiple cardiac tumors (P < 0.0001) and family history of TS (P = 0.02). CONCLUSIONS Large tumor size and hydrops are significantly associated with poor neonatal outcome, whereas family history of TS and multiple fetal cardiac tumors are associated with TS. Any sonographic detection of a fetal cardiac tumor should warrant further investigation for the possible presence of associated disorders.
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Affiliation(s)
- A S Chao
- Department of Obstetrics and Gynecology, Chang-Gung Memorial Hospital and Chang Gung University, Tao-Yuan, Taiwan.
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Liang CC, Chang SD, Chang YL, Chen SH, Chueh HY, Cheng PJ. Postpartum urinary retention after cesarean delivery. Int J Gynaecol Obstet 2007; 99:229-32. [PMID: 17640646 DOI: 10.1016/j.ijgo.2007.05.037] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [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: 04/10/2007] [Revised: 05/12/2007] [Accepted: 05/18/2007] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To investigate the incidence of postpartum urinary retention (PUR) after cesarean delivery and determine which obstetric factors contribute to this problem. METHOD A prospective study recruited 605 pregnant women who had a cesarean delivery. Each patient's postvoid residual bladder volume (PVRBV) was estimated with an ultrasound scan after first micturition. The women were divided into 2 groups: PUR (PVRBV > or =150 mL) and normal. Patients' characteristics, obstetric parameters, and prevalence of lower urinary tract symptoms at 3 months postpartum were compared. RESULT The overall incidence of PUR was 24.1%. The incidence of overt and covert PUR was 7.4% and 16.7%, respectively. Morphine-related postoperative analgesia, multiple pregnancy, and low body mass index were significantly associated with PUR. At 3-month follow-up, 5.0% of patients had obstructive voiding symptoms and 9.1% had irritative voiding symptoms. CONCLUSION Our results revealed PUR was a common phenomenon in patients who had a cesarean delivery, and morphine-related postoperative analgesia was the main contributing factor.
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Affiliation(s)
- C C Liang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Chang Gung University, Taoyuan, Taiwan.
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Abstract
The molecular recoiling force stemming from nonequilibrium chain conformation was found to play a very important role in the dewetting stability of polymer thin films. Correct measurements and inclusion of this molecular force into thermodynamic consideration are crucial for analyzing dewetting phenomena and nanoscale polymer chain physics. This force was measured using a simple method based on contour relaxation at the incipient dewetting holes. The recoiling stress was found to increase dramatically with molecular weight and decreasing film thickness. The corresponding forces were calculated to be in the range from 9.0 to 28.2 mN/m, too large to be neglected when compared to the dispersive forces (approximately 10 mN/m) commonly operative in thin polymer films.
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Affiliation(s)
- M H Yang
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan
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Chen L, Hsiao MK, Chang YL, Lin KC. Reaction dynamics of Ca(4s3d 1D2)+CH4-->CaH(X 2Sigma+)+CH3: reaction pathway and energy disposal for the CaH product. J Chem Phys 2006; 124:024304. [PMID: 16422580 DOI: 10.1063/1.2139092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The reaction pathway for Ca(4s3d 1D2)+CH4-->CaH(X 2Sigma+)+CH3 has been investigated by using a pump-probe technique in combination with potential-energy surface (PES) calculations. The nascent product distributions of CaH have been characterized with Boltzmann rotational temperatures of 1013+/-102 and 834+/-70 K for the v=0 and 1 levels, respectively, and a Boltzmann vibrational temperature of 1313+/-173 K. The rotational and vibrational energy partitions in CaH have been estimated to be 461+/-45 and 252+/-15 cm(-1), respectively. According to the PES calculations, the pathway favors an insertion mechanism. Ca(3 1D2) approaches CH4 along an attractive potential surface in a C2v (or Cs) symmetry and then the collision complex undergoes nonadiabatic transition to the reactive ground-state surface. An Arrhenius plot shows a potential-energy requirement of 2695+/-149 cm(-1), which accounts for the endothermicity of 2930 cm(-1) for the reaction scheme. The Ca-C bond distance in the transition state structure is short enough to allow for tight orbital overlap between CaH and CH3. The strong coupling between the moieties renders the energy transfer sufficient from CaH into the CH3 radical. As compared to the Ca(4 1P1) reaction, the dissociation lifetime of the intermediate complex with less excess energy is prolonged so as to cause much less vibrational energy disposal into CaH.
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Affiliation(s)
- Li Chen
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
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Gow CH, Liaw YS, Chang YL, Chang YC, Yang RS. Primary vascular leiomyosarcoma of the femoral vein leading to metastases of scalp and lungs. Clin Oncol (R Coll Radiol) 2005; 17:201. [PMID: 15901009 DOI: 10.1016/j.clon.2005.01.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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