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Zhu LJ, Zhu J, Lu SY, Wang J, Sun FF, Huang JT, Que Y, Huang H, Huang HQ, Zhen ZZ, Sun XF, Zhang YZ. [Clinical characteristics and prognosis of pediatric relapsed/refractory anaplastic large cell lymphoma]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:854-856. [PMID: 38049339 PMCID: PMC10694085 DOI: 10.3760/cma.j.issn.0253-2727.2023.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Indexed: 12/06/2023]
Affiliation(s)
- L J Zhu
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China Department of Oncology, the First People's Hospital of Yu Lin, Yulin 537000, China
| | - J Zhu
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - S Y Lu
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - J Wang
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - F F Sun
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - J T Huang
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - Y Que
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - H Huang
- Department of Internal Medicine, Sun Yat-Sen University Cancer Center, Guangzhou 510060, China
| | - H Q Huang
- Department of Internal Medicine, Sun Yat-Sen University Cancer Center, Guangzhou 510060, China
| | - Z Z Zhen
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - X F Sun
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
| | - Y Z Zhang
- Department of Pediatric Oncology, Sun Yat-Sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, National Key Laboratory of Malignant Tumor Prevention and Treatment in South China, Guangzhou 510060, China
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Guo WL, Hou P, Tan WG, Lei YX, Wu XF, Huang HQ, Hong C. [A case of metastatic breast cancer complicated by pulmonary tumor thrombotic microangiopathy]. Zhonghua Jie He He Hu Xi Za Zhi 2023; 46:1014-1018. [PMID: 37752045 DOI: 10.3760/cma.j.cn112147-20230521-00253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Pulmonary tumor thrombotic microangiopathy is a malignancy-related complication with rapid progression and high mortality. To improve the understanding of the disease, early diagnosis and treatment are key to successful treatment. A 39-year-old patient with pulmonary hypertension transferred from another hospital was admitted to the First Affiliated Hospital of Guangzhou Medical University on September 26, 2021. The patient developed shortness of breath and progressive exacerbation over the past month. No pulmonary artery embolism was seen on computed tomography pulmonary angiography (CTPA) at the outside hospital where the breast cancer was diagnosed. Pulmonary tumor thrombotic microangiopathy was immediately considered on admission and oncological endocrine therapy was started. After treatment, the patient's dyspnoea improved, PET-CT showed significant tumor regression, and cardiac ultrasound showed a significant decrease in pulmonary artery pressure. The successful treatment experience of this case was summarized for reference.
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Affiliation(s)
- W L Guo
- State Key Laboratory of Respiratory Diseases/National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510163, China
| | - P Hou
- State Key Laboratory of Respiratory Diseases/National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Department of Nuclear Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510163, China
| | - W G Tan
- State Key Laboratory of Respiratory Diseases/National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Department of Radiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510163, China
| | - Y X Lei
- State Key Laboratory of Respiratory Diseases/National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Department of Radiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510163, China
| | - X F Wu
- State Key Laboratory of Respiratory Diseases/National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510163, China
| | - H Q Huang
- State Key Laboratory of Respiratory Diseases/National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510163, China
| | - C Hong
- State Key Laboratory of Respiratory Diseases/National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510163, China
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Che LQ, Du XF, Yan FG, Huang HQ, Hua W, Zhang H, Li N, Hu Y, Shao ZH, Shao MJ, Yao C, Huang JQ, Li W, Shen HH, Liu CH. [Review and perspective of clinical research involving chest tightness variant asthma in China]. Zhonghua Yi Xue Za Zhi 2023; 103:2639-2646. [PMID: 37475568 DOI: 10.3760/cma.j.cn112137-20230416-00677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Chest tightness variant asthma (CTVA) was first reported and named by Chinese scholars in 2013. It is a new clinical type of asthma characterized by chest tightness as the only or primary symptom, without typical asthma manifestations such as recurrent wheezing and shortness of breath, and without wheezing sounds heard during lung auscultation. The overall epidemiological data on CTVA is currently unavailable. Its pathogenesis is similar to that of typical asthma, involving eosinophilic airway inflammation. Due to the lack of typical clinical manifestations, insufficient knowledge of this disease in some clinicians and some other reasons, CTVA is susceptible to misdiagnosis or missed diagnosis. Currently, the diagnostic criteria for CTVA are: chest tightness as the only or primary symptom, without typical asthma symptoms and signs such as wheezing and shortness of breath, and with any one of the objective indicators of variable airflow limitation. Effective anti-asthma treatment is required, and other diseases that cause chest tightness, such as cardiovascular, digestive, nervous, muscular, and mental diseases should be excluded. CTVA treatment follows that of typical asthma, but the specific treatment duration is uncertain and may require long-term management. Traditional Chinese medicine has shown some therapeutic effects on CTVA. Most CTVA patients have a good prognosis after active anti-asthma treatment. This paper analyzes and summarizes the research of CTVA in China from 2013 and provides new perspectives for further exploration of CTVA.
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Affiliation(s)
- L Q Che
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - X F Du
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - F G Yan
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - H Q Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - W Hua
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - H Zhang
- Department of Respiratory Medicine, Zhejiang Provincial Hospital of Chinese Medicine, Hangzhou 310003, China
| | - N Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Y Hu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Z H Shao
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - M J Shao
- Department of Allergy, Capital Institute of Pediatrics Affiliated Children's Hospital, Beijing 100020, China
| | - C Yao
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - J Q Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - W Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - H H Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - C H Liu
- Department of Allergy, Capital Institute of Pediatrics Affiliated Children's Hospital, Beijing 100020, China
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Hua W, Yin J, Zhang M, Huang HQ, Chen RC, Ying SM, Chen X, Liu HM, Shang YX, Nong GM, Zhang M, Huang KW, Lai KF, Liu HG, Shen KL, Shen HH. [Investigation on cognition, diagnosis and treatment status of chest tightness variant asthma among Chinese pediatricians]. Zhonghua Yi Xue Za Zhi 2023; 103:2727-2732. [PMID: 37475567 DOI: 10.3760/cma.j.cn112137-20230602-00918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Objective: To evaluate the awareness, diagnosis and treatment of chest tightness variant asthma (CTVA) among pediatricians in China. Methods: The survey was conducted by convenient sampling method. Pediatricians with professional title of attending physician and above from different grades hospitals in 30 provinces were invited to conduct online questionnaire surveys through WeChat, pediatricians scan QR codes to complete electronic questionnaires in the mini program from January 16th to February 4th, 2021. The contents of questionnaire included the awareness, diagnosis and treatment of CTVA, and comparing the differences between pediatricians in secondary hospitals and tertiary hospitals. Results: A total of 1 529 pediatricians participated in the survey, and 1 484 (97.06%) pediatricians completed the questionnaire and included in the analysis, including 420 males (28.30%). The awareness rate of CTVA among pediatricians was 77.83 % (1 155/1 484). Pediatricians in tertiary hospitals had higher rates of awareness of CTVA than pediatricians in secondary hospitals [81.86% (898/1 097) vs 66.41% (257/387), P<0.001] and had better execution of the guidelines [89.15% (978/1 097) vs 79.59% (308/387), P<0.001]. A total of 93.06 % (1 381/1 484) of pediatricians' first-line treatment included inhaled corticosteroids (ICS) for CTVA. Among them, a higher proportion of pediatricians in tertiary hospitals used ICS included regimens for first-line treatment of CTVA compared with pediatricians in secondary hospitals [94.90% (1 041/1 097) vs 87.86% (340/387), P<0.001]. The reported well control rate of CTVA was 32.08% (476/1 484), which was significantly lower in secondary hospitals than that in tertiary hospitals [17.31% (67/387) vs 37.28% (409/1 097), P<0.001]. Conclusion: Most pediatricians are well aware of CTVA, among which there is a certain gap in clinical practice between pediatricians in secondary hospitals and tertiary hospitals in terms of understanding, diagnosis, and treatment of CTVA.
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Affiliation(s)
- W Hua
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - J Yin
- Department 1 of Respiratory, Beijing Children's Hospital, Capital Medical University, China National Clinical Research Center of Respiratory Diseases, National Center for Children's Health, Beijing 100045, China
| | - M Zhang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - H Q Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - R C Chen
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, National Respiratory Medicine Center, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, Guangzhou 510120, China
| | - S M Ying
- Institute of Respiratory Diseases, Zhejiang University, Hangzhou 310009, China
| | - X Chen
- Department of Pediatric Respiratory, the Affiliated Provincial Hospital of Shandong First Medical University, Jinan 250021, China
| | - H M Liu
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Y X Shang
- Department of Pediatric Respiratory, Shengjing Hospital Affiliated to China Medical University, Shenyang 110004, China
| | - G M Nong
- Department of Pediatrics, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - M Zhang
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - K W Huang
- Department of Respiratory and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - K F Lai
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, National Respiratory Medicine Center, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, Guangzhou 510120, China
| | - H G Liu
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China
| | - K L Shen
- Department 1 of Respiratory, Beijing Children's Hospital, Capital Medical University, China National Clinical Research Center of Respiratory Diseases, National Center for Children's Health, Beijing 100045, China Department of Respiratory Diseases, Shenzhen Children's Hospital, Shenzhen 518038, China
| | - H H Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
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Huang HQ, Shen HH. [Annual progress in treatment of bronchial asthma 2022]. Zhonghua Jie He He Hu Xi Za Zhi 2023; 46:55-61. [PMID: 36617930 DOI: 10.3760/cma.j.cn112147-20221122-00920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Bronchial asthma is one of the most common chronic inflammatory airway diseases. Its incidence is increasing annually worldwide, posing a heavy medical burden to society and individuals. At the same time, continuous improvement has been made in the diagnosis and treatment strategies of asthma. With the advancement of basic research and the emergence of evidence-based evidence on asthma, new drugs, updated ideas and strategies have appeared in the field of asthma treatment. This article reviewed the progress and achievements in the field of asthma treatment from 1st October 2021 to 30th September 2022, as well as several updated guidelines and consensus guidance on asthma, providing clinical perspective for the treatment of asthma.
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Affiliation(s)
- H Q Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
| | - H H Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
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Huang M, Huang HQ, Xiong AB, Wang JX, Chen Q, Guo SM, Zheng SL. [Development of a risk assessment scale and test of its validity and reliability for venous thromboembolism in adult burn patients]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2022; 38:778-787. [PMID: 36058701 DOI: 10.3760/cma.j.cn501120-20210322-00098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To develop a venous thromboembolism (VTE) risk assessment scale for adult burn patients and to test its reliability and validity. Methods: The scale research method and multi-center cross-sectional survey method were used. Based on the results of literature analysis method and brain-storming method, the letter questionnaire for experts was formulated. Then 27 experts (9 doctors of burn department, 9 vascular surgeons, and 9 nurses) were performed with two rounds of correspondences by Delphi method, and the reliability of the experts was analyzed. The weight of each item was determined by optimal sequence diagram method and expert importance evaluation to form the VTE Risk Assessment Scale for Adult Burn Patients. A total of 223 adult burn inpatients, who were admitted to 5 tier Ⅲ grade A general hospitals including the Affiliated Hospital of Southwest Medical University, West China Hospital of Sichuan University, the Affiliated Hospital of North Sichuan Medical College, Nanchong Central Hospital, and the Second People's Hospital of Yibin City from October 1st 2019 to January 1st 2020, were selected as respondents by convenience sampling method. The first assessment was performed with the VTE Risk Assessment Scale for Adult Burn Patients within 24 hours of admission of patients, and real-time assessment was performed as the patients' condition and treatment changed. The highest value was taken as the result. Correlation coefficient method and critical ratio method were used for item analysis; Cronbach's α coefficient was used to test the internal consistency of scale; content validity index was used to analyze the content validity of the scale, and receiver's operating characteristic (ROC) curve was drawn to test the predictive validity of the scale. Data were statistically analyzed with chi-square test, Pearson correlation analysis, independent sample t test, and Z test. Results: As four questionnaires in the first round of correspondence were rejected as unqualified, and another 4 experts were selected for the 2 rounds of correspondence. Most of them were aged 41 to 50 years with postgraduate degrees, engaging in the current profession for 11 to 30 years, and all of them had professional titles of associate senior or above. The scale, constructed through literature analysis, group brainstorming, and two rounds of correspondence, includes 3 primary items and 50 secondary items. In the first round of correspondence, the recovery rate of valid questionnaires and the ratio with expert opinions were 85.2% (23/27) and 47.8% (11/23), respectively. In the second round of correspondence, the recovery rate of valid questionnaires and the ratio with expert opinions were 100% (27/27) and 11.1% (3/27), respectively. The average collective authority coefficients of experts were both 0.90 in the 2 rounds of correspondence. The mean values of importance assignment, full score rate, and selection rate above 4 were 4.21, 52.5%, and 77.2%, respectively, in the first round of correspondence, and 4.28, 45.2%, and 85.8%, respectively, in the second round of correspondence. The mean coefficients of variation and the mean value of Kendall's coefficient of harmony for each item were 0.21 and 0.30 in the first round of correspondence, respectively, and 0.16 and 0.36 in the second round of correspondence, respectively. In the first and second rounds of correspondence, the Kendall's coefficients of harmony of 3 primary items (age and underlying diseases, burn injury factors, and burn treatment factors) and total secondary items were statistically significant (with χ2 values of 121.46, 107.09, 116.00, 331.97, 169.97, 152.12, 141.54, and 471.70, P<0.01). The weights of primary items for age and underlying diseases, burn injury factors, and burn treatment factors were 0.04, 0.05, and 0.07, respectively. The weights of secondary items ranged from 0.71 to 0.99, with assigned values of 3 to 6. The total burn area of 223 patients ranged from 1% to 89% total body surface area, and the patients were aged from 19 to 96 years, with the risk assessment score from 0 to 98. Nine patients developed VTE, with a risk assessment score of 41 to 90. The scores of 37 items were significantly positively correlated with the total score of scale (with r values of 0.14 to 0.61, P<0.05 or P<0.01), and the items were retained. There were 36 secondary items with statistically significant differences between the patients in high-score group and low-score group (with Z values of -4.88 to -2.09, t values of -11.63 to -2.09, P<0.05 or P<0.01), and the items were retained. The total Cronbach's α coefficient of scale was 0.88. The total content validity index of scale was 0.95. The optimal threshold of the scale for the diagnosis of VTE was 40, at which the sensitivity was 88.9%, the specificity was 87.4%, the Youden index was 0.87, and the area under the ROC curve was 0.96 (with 95% confidence interval of 0.93 to 0.99, P<0.01). Conclusions: The age and underlying diseases, burn injury factors, and burn treatment factors are the risk factors for VTE in adult burn patients. The VTE risk assessment scale for adult burn patients developed based on these factors has good reliability and validity, and provide good reference value for clinical VTE risk assessment.
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Affiliation(s)
- M Huang
- Department of Respiratory and Critical Care Medicine, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - H Q Huang
- Nursing Department, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - A B Xiong
- Department of Burns and Plastic Surgery, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - J X Wang
- Department of Rehabilitation Medicine, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Q Chen
- Nursing Department, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - S M Guo
- Nursing Department, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - S L Zheng
- Nursing Department, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
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Wang XD, Liu X, Wu T, Yang Y, Qi SN, He X, Zhang LL, Wu G, Qu BL, Qian LT, Hou XR, Zhang FQ, Qiao XY, Wang H, Li GF, Zhu Y, Cao JZ, Wu JX, Zhu SY, Shi M, Su H, Zhang XM, Zhang HL, Huang HQ, Zhang YJ, Song YQ, Zhu J, Wang Y, Li YX. [Outcome of radiotherapy for low-risk early-stage patients with extranodal NK/T-cell lymphoma, nasal-type]. Zhonghua Zhong Liu Za Zhi 2021; 43:1105-1113. [PMID: 34695903 DOI: 10.3760/cma.j.cn112152-20200924-00851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the prognosis and determine the failure patterns after radiotherapy for low-risk early-stage patients with extranodal NK/T-cell lymphoma, nasal-type (ENKTCL). Methods: A total of 557 patients from 2000-2015 with low-risk early-stage ENKTCL who received radiotherapy (RT) with or without chemotherapy (CT) from China Lymphoma Collaborative Group were retrospectively reviewed. Among them, 427 patients received combined modality therapy, whereas 130 patients received RT alone. Survivals were calculated by Kaplan-Meier method and compared with Log-rank test. Overall survival (OS) was compared with age and sex-matched general Chinese population using expected survival and standardized mortality ratio (SMR). Cox stepwise regression model was used for multivariate analysis. Results: The 5-year OS and progression-free survival (PFS) were 87.2% and 77.2%. The SMR was 3.59 (P<0.001) at 1 year after treatment, whereas it was 1.50 at 4 years after treatment, without significant difference between ENKTCL group and country-matched general population (P=0.146). Compared with RT alone, CMT did not result in significantly superior 5-year OS (87.0% vs 87.4%, P=0.961) or PFS (76.1% vs 80.7%, P=0.129). Local failure (11.5%, 64/557) and distant failure (10.8%, 60/557) were the main failure modes, while regional failure was rare (2.9%, 16/557). The 5-year locoregional control rate (LRC) was 87.2% for the whole group, with 89.5% for ≥50 Gy versus 73.7% for <50 Gy (P<0.001). Radiotherapy dose was an independent factor affecting LRC(P<0.05). Conclusions: Radiotherapy achieves a favorable prognosis in patients with low-risk early-stage ENKTCL. The incidence of either locoregional or distant failure is low. Radiation dose still is an important prognostic factor for LRC.
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Affiliation(s)
- X D Wang
- Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - X Liu
- Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - T Wu
- Department of Radiation Oncology, Affiliated Hospital of Guizhou Medical University/Guizhou Cancer Hospital, Guiyang 550000, China
| | - Y Yang
- Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - S N Qi
- Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - X He
- Department of Radiation Oncology, Jiangsu Cancer Hospital/Nanjing Medical University Affiliated Cancer Hospital, Nanjing 210009, China
| | - L L Zhang
- Department of Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - G Wu
- Department of Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - B L Qu
- Department of Radiation Oncology, The General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - L T Qian
- Department of Radiation Oncology, the First Affiliated Hospital of University of Science and Technology of China/Anhui Provincial Hospital, Hefei 230001, China
| | - X R Hou
- Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - F Q Zhang
- Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - X Y Qiao
- Department of Radiation Oncology, Hebei Cancer Hospital/the Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - H Wang
- Department of Radiation Oncology, Second Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - G F Li
- Department of Radiation Oncology, Beijing Hospital, Beijing 100730, China
| | - Y Zhu
- Department of Radiation Oncology, Zhejiang Cancer Hospital/Cancer Hospital of The University of Chinese Academy of Sciences, Hangzhou 310022, China
| | - J Z Cao
- Department of Radiation Oncology, Shanxi Cancer Hospital and the Affiliated Cancer Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - J X Wu
- Department of Radiation Oncology, Fujian Provincial Cancer Hospital/Affiliated Cancer Hospital of Fujian Medical University, Fuzhou 350014, China
| | - S Y Zhu
- Department of Radiation Oncology, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Changsha 410013, China
| | - M Shi
- Department of Radiation Oncology, Xijing Hospital, the Fourth Military Medical University, Xi'an 710032, China
| | - H Su
- Department of Oncology, the Fifth Medical Center of PLA General Hospital, Affiliated Hospital of PLA Academy of Military Medical Sciences, Beijing 100071, China
| | - X M Zhang
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Therapy/Tianjin Medical University Cancer Institute & Hospital/National Clinical Research Center for Cancer, Tianjin 300060, China
| | - H L Zhang
- Department of Lymphoma, Key Laboratory of Cancer Prevention and Therapy/Tianjin Medical University Cancer Institute & Hospital/National Clinical Research Center for Cancer, Tianjin 300060, China
| | - H Q Huang
- Departments of Radiation Oncology, State Key Laboratory of Oncology in South China/Sun Yat-sen University Cancer Center/Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Y J Zhang
- Departments of Medical Oncology, State Key Laboratory of Oncology in South China/Sun Yat-sen University Cancer Center/Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Y Q Song
- Department of Radiation Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education)/Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - J Zhu
- Department of Radiation Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education)/Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Y Wang
- Department of Radiation Oncology, Chongqing Cancer Hospital, Chongqing 400000, China
| | - Y X Li
- Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
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8
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Huang HQ, Li N, Li DY, Jing D, Liu ZY, Xu XC, Chen HP, Dong LL, Zhang M, Ying SM, Li W, Shen HH, Li ZY, Chen ZH. Corrigendum: Autophagy Promotes Cigarette Smoke-Initiated and Elastin-Driven Bronchitis-Like Airway Inflammation in Mice. Front Immunol 2021; 12:772939. [PMID: 34650573 PMCID: PMC8505269 DOI: 10.3389/fimmu.2021.772939] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 11/17/2022] Open
Affiliation(s)
- Hua-Qiong Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Na Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Dan-Yang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Du Jing
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Zheng-Yuan Liu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Xu-Chen Xu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Hai-Pin Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Ling-Ling Dong
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Min Zhang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Song-Min Ying
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Wen Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Hua-Hao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.,State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Zhou-Yang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Zhi-Hua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
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9
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Zheng X, He X, Yang Y, Liu X, Zhang LL, Qu BL, Zhong QZ, Qian LT, Hou XR, Qiao XY, Wang H, Zhu Y, Cao JZ, Wu JX, Wu T, Zhu SY, Shi M, Xu LM, Zhang HL, Su H, Song YQ, Zhu J, Zhang YJ, Huang HQ, Wang Y, Chen F, Yin L, Qi SN, Li YX. Association of improved overall survival with decreased distant metastasis following asparaginase-based chemotherapy and radiotherapy for intermediate- and high-risk early-stage extranodal nasal-type NK/T-cell lymphoma: a CLCG study. ESMO Open 2021; 6:100206. [PMID: 34242966 PMCID: PMC8271122 DOI: 10.1016/j.esmoop.2021.100206] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 06/08/2021] [Accepted: 06/21/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND This study evaluated the survival benefit of asparaginase (ASP)-based versus non-ASP-based chemotherapy combined with radiotherapy in a real-world cohort of patients with early-stage extranodal nasal-type natural killer/T-cell lymphoma (ENKTCL). PATIENTS AND METHODS We identified 376 patients who received combined radiotherapy with either ASP-based (ASP, platinum, and gemcitabine; n = 286) or non-ASP-based (platinum and gemcitabine; n = 90) regimens. The patients were stratified into low-, intermediate-, and high-risk groups using the early stage-adjusted nomogram-revised risk index. Overall survival (OS) and distant metastasis (DM)-free survival (DMFS) between the chemotherapy regimens were compared using inverse probability of treatment weighting (IPTW) and multivariable analyses. RESULTS ASP-based (versus non-ASP-based) regimens significantly improved 5-year OS (84.5% versus 73.2%, P = 0.021) and DMFS (84.4% versus 74.5%, P = 0.014) for intermediate- and high-risk patients, but not for low-risk patients in the setting of radiotherapy. Moreover, ASP-based regimens decreased DM, with a 5-year cumulative DM rate of 14.9% for ASP-based regimens compared with 25.1% (P = 0.014) for non-ASP-based regimens. The survival benefit of ASP-based chemotherapy and radiotherapy remained consistent after adjusting the confounding variables using IPTW and multivariate analyses; additional sensitivity analyses confirmed these results. CONCLUSIONS The findings provided support for ASP-based chemotherapy and radiotherapy as a first-line treatment strategy for intermediate- and high-risk early-stage ENKTCL.
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Affiliation(s)
- X Zheng
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - X He
- Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, PR China
| | - Y Yang
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - X Liu
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - L L Zhang
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - B L Qu
- The General Hospital of Chinese People's Liberation Army, Beijing, PR China
| | - Q Z Zhong
- Beijing Hospital, National Geriatric Medical Center, Beijing, PR China
| | - L T Qian
- The Affiliated Provincial Hospital of Anhui Medical University, Hefei, Anhui, PR China
| | - X R Hou
- Peking Union Medical College Hospital, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC), Beijing, PR China
| | - X Y Qiao
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, PR China
| | - H Wang
- Second Affiliated Hospital of Nanchang University, Nanchang, PR China
| | - Y Zhu
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Zhejiang, PR China
| | - J Z Cao
- Shanxi Cancer Hospital, the Affiliated Cancer Hospital of Shanxi Medical University, Taiyuan, Shanxi, PR China
| | - J X Wu
- Fujian Provincial Cancer Hospital, Fuzhou, Fujian, PR China
| | - T Wu
- Affiliated Hospital of Guizhou Medical University, Guizhou Cancer Hospital, Guiyang, Guizhou, PR China
| | - S Y Zhu
- Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya School of Medicine, Changsha, Hunan, PR China
| | - M Shi
- Xijing Hospital of Fourth Military Medical University, Xi'an, PR China
| | - L M Xu
- Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin, PR China
| | - H L Zhang
- Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin, PR China
| | - H Su
- The Fifth Medical Center of PLA General Hospital, Beijing, PR China
| | - Y Q Song
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, PR China
| | - J Zhu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, PR China
| | - Y J Zhang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, PR China
| | - H Q Huang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, PR China
| | - Y Wang
- Chongqing University Cancer Hospital, Chongqing Cancer Hospital, Chongqing
| | - F Chen
- Affiliated Hospital of Qinghai University, Qinghai, PR China
| | - L Yin
- Affiliated Hospital of Qinghai University, Qinghai, PR China
| | - S N Qi
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.
| | - Y X Li
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.
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10
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Huang HQ, Li N, Li DY, Jing D, Liu ZY, Xu XC, Chen HP, Dong LL, Zhang M, Ying SM, Li W, Shen HH, Li ZY, Chen ZH. Autophagy Promotes Cigarette Smoke-Initiated and Elastin-Driven Bronchitis-Like Airway Inflammation in Mice. Front Immunol 2021; 12:594330. [PMID: 33828547 PMCID: PMC8019710 DOI: 10.3389/fimmu.2021.594330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 03/03/2021] [Indexed: 12/25/2022] Open
Abstract
Cigarette smoke (CS)-induced macrophage activation and airway epithelial injury are both critical for the development of chronic obstructive pulmonary disease (COPD), while the eventual functions of autophagy in these processes remain controversial. We have recently developed a novel COPD mouse model which is based on the autoimmune response sensitized by CS and facilitated by elastin. In the current study, we therefore utilized this model to investigate the roles of autophagy in different stages of the development of bronchitis-like airway inflammation. Autophagic markers were increased in airway epithelium and lung tissues, and Becn+/- or Lc3b-/- mice exhibited reduced neutrophilic airway inflammation and mucus hyperproduction in this COPD mouse model. Moreover, treatment of an autophagic inhibitor 3-methyladenine (3-MA) either during CS-initiated sensitization or during elastin provocation significantly inhibited the bronchitis-like phenotypes in mice. Short CS exposure rapidly induced expression of matrix metallopeptidase 12 (MMP12) in alveolar macrophages, and treatment of doxycycline, a pan metalloproteinase inhibitor, during CS exposure effectively attenuated the ensuing elastin-induced airway inflammation in mice. CS extract triggered MMP12 expression in cultured macrophages, which was attenuated by autophagy impairment (Becn+/- or Lc3b-/-) or inhibition (3-MA or Spautin-1). These data, taken together, demonstrate that autophagy mediates both the CS-initiated MMP12 activation in macrophages and subsequent airway epithelial injury, eventually contributing to development COPD-like airway inflammation. This study reemphasizes that inhibition of autophagy as a novel therapeutic strategy for CS-induced COPD.
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Affiliation(s)
- Hua-Qiong Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Na Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Dan-Yang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Du Jing
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Zheng-Yuan Liu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Xu-Chen Xu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Hai-Pin Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Ling-Ling Dong
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Min Zhang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Song-Min Ying
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Wen Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Hua-Hao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Zhou-Yang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Zhi-Hua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
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11
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Zhou JS, Li ZY, Xu XC, Zhao Y, Wang Y, Chen HP, Zhang M, Wu YF, Lai TW, Di CH, Dong LL, Liu J, Xuan NX, Zhu C, Wu YP, Huang HQ, Yan FG, Hua W, Wang Y, Xiong WN, Qiu H, Chen T, Weng D, Li HP, Zhou X, Wang L, Liu F, Lin X, Ying SM, Li W, Imamura M, Choi ME, Stampfli MR, Choi AMK, Chen ZH, Shen HH. Cigarette smoke-initiated autoimmunity facilitates sensitisation to elastin-induced COPD-like pathologies in mice. Eur Respir J 2020; 56:13993003.00404-2020. [PMID: 32366484 DOI: 10.1183/13993003.00404-2020] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 04/10/2020] [Indexed: 12/11/2022]
Abstract
It is currently not understood whether cigarette smoke exposure facilitates sensitisation to self-antigens and whether ensuing auto-reactive T cells drive chronic obstructive pulmonary disease (COPD)-associated pathologies.To address this question, mice were exposed to cigarette smoke for 2 weeks. Following a 2-week period of rest, mice were challenged intratracheally with elastin for 3 days or 1 month. Rag1-/- , Mmp12-/- , and Il17a-/- mice and neutralising antibodies against active elastin fragments were used for mechanistic investigations. Human GVAPGVGVAPGV/HLA-A*02:01 tetramer was synthesised to assess the presence of elastin-specific T cells in patients with COPD.We observed that 2 weeks of cigarette smoke exposure induced an elastin-specific T cell response that led to neutrophilic airway inflammation and mucus hyperproduction following elastin recall challenge. Repeated elastin challenge for 1 month resulted in airway remodelling, lung function decline and airspace enlargement. Elastin-specific T cell recall responses were dose dependent and memory lasted for over 6 months. Adoptive T cell transfer and studies in T cells deficient Rag1-/- mice conclusively implicated T cells in these processes. Mechanistically, cigarette smoke exposure-induced elastin-specific T cell responses were matrix metalloproteinase (MMP)12-dependent, while the ensuing immune inflammatory processes were interleukin 17A-driven. Anti-elastin antibodies and T cells specific for elastin peptides were increased in patients with COPD.These data demonstrate that MMP12-generated elastin fragments serve as a self-antigen and drive the cigarette smoke-induced autoimmune processes in mice that result in a bronchitis-like phenotype and airspace enlargement. The study provides proof of concept of cigarette smoke-induced autoimmune processes and may serve as a novel mouse model of COPD.
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Affiliation(s)
- Jie-Sen Zhou
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,These authors contribute equally to this work
| | - Zhou-Yang Li
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,These authors contribute equally to this work
| | - Xu-Chen Xu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yun Zhao
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yong Wang
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hai-Pin Chen
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Min Zhang
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yin-Fang Wu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Tian-Wen Lai
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chun-Hong Di
- Dept of Clinical Laboratory, the Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Ling-Ling Dong
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Juan Liu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Nan-Xia Xuan
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chen Zhu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yan-Ping Wu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hua-Qiong Huang
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fu-Gui Yan
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wen Hua
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Wang
- Dept of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Wei-Ning Xiong
- Dept of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Hui Qiu
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Tao Chen
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Dong Weng
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hui-Ping Li
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiaobo Zhou
- Channing Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lie Wang
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, China
| | - Fang Liu
- Institute for Immunology, Tsinghua University School of Medicine, Tsinghua University-Peking University Jointed Center for Life Sciences, Beijing, China
| | - Xin Lin
- Institute for Immunology, Tsinghua University School of Medicine, Tsinghua University-Peking University Jointed Center for Life Sciences, Beijing, China
| | - Song-Min Ying
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wen Li
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mitsuru Imamura
- Division of Pulmonary and Critical Care Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Mary E Choi
- Division of Nephrology and Hypertension, Joan and Sanford I. Weill Dept of Medicine, New York-Presbyterian Hospital, Weill Cornell Medical College, New York, NY, USA
| | - Martin R Stampfli
- Dept of Pathology and Molecular Medicine, McMaster Immunology Research Centre, and Dept of Medicine, Firestone Institute for Respiratory Health at St Joseph's Healthcare, McMaster University, Hamilton, ON, Canada.,State Key Lab of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou, China
| | - Augustine M K Choi
- Division of Pulmonary and Critical Care Medicine, Weill Cornell Medical College, New York, NY, USA.,These authors contribute equally to this work
| | - Zhi-Hua Chen
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,These authors contribute equally to this work
| | - Hua-Hao Shen
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China .,State Key Lab of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou, China.,These authors contribute equally to this work
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12
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Wu YF, Li ZY, Dong LL, Li WJ, Wu YP, Wang J, Chen HP, Liu HW, Li M, Jin CL, Huang HQ, Ying SM, Li W, Shen HH, Chen ZH. Inactivation of MTOR promotes autophagy-mediated epithelial injury in particulate matter-induced airway inflammation. Autophagy 2020; 16:435-450. [PMID: 31203721 PMCID: PMC6999647 DOI: 10.1080/15548627.2019.1628536] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [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: 06/18/2018] [Revised: 05/21/2019] [Accepted: 05/30/2019] [Indexed: 12/21/2022] Open
Abstract
Particulate matter (PM) is able to induce airway epithelial injury, while the detailed mechanisms remain unclear. Here we demonstrated that PM exposure inactivated MTOR (mechanistic target of rapamycin kinase), enhanced macroautophagy/autophagy, and impaired lysosomal activity in HBE (human bronchial epithelial) cells and in mouse airway epithelium. Genetic or pharmaceutical inhibition of MTOR significantly enhanced, while inhibition of autophagy attenuated, PM-induced IL6 expression in HBE cells. Consistently, club-cell-specific deletion of Mtor aggravated, whereas loss of Atg5 in bronchial epithelium reduced, PM-induced airway inflammation. Interestingly, the augmented inflammatory responses caused by MTOR deficiency were markedly attenuated by blockage of downstream autophagy both in vitro and in vivo. Mechanistically, the dysregulation of MTOR-autophagy signaling was partially dependent on activation of upstream TSC2, and interacted with the TLR4-MYD88 to orchestrate the downstream NFKB activity and to regulate the production of inflammatory cytokines in airway epithelium. Moreover, inhibition of autophagy reduced the expression of EPS15 and the subsequent endocytosis of PM. Taken together, the present study provides a mechanistic explanation for how airway epithelium localized MTOR-autophagy axis regulates PM-induced airway injury, suggesting that activation of MTOR and/or suppression of autophagy in local airway might be effective therapeutic strategies for PM-related airway disorders.Abbreviations: ACTB: actin beta; AKT: AKT serine/threonine kinase; ALI: air liquid interface; AP2: adaptor related protein complex 2; ATG: autophagy related; BALF: bronchoalveolar lavage fluid; COPD: chronic obstructive pulmonary disease; CXCL: C-X-C motif chemokine ligand; DOX: doxycycline; EGF: epidermal growth factor; EGFR: epidermal growth factor receptor; EPS15: epidermal growth factor receptor pathway substrate 15; HBE: human bronchial epithelial; H&E: hematoxylin & eosin; IKK: IKB kinase; IL: interleukin; LAMP2: lysosomal-associated membrane protein 2; LPS: lipopolysaccharide; MAP1LC3B/LC3B: microtubule-associated protein 1 light chain 3 beta; MTEC: mouse tracheal epithelial cells; MTOR: mechanistic target of rapamycin kinase; MYD88: MYD88 innate immune signal transduction adaptor; NFKB: nuclear factor of kappa B; NFKBIA: NFKB inhibitor alpha; PM: particulate matter; PtdIns3K: phosphatidylinositol 3-kinase; Rapa: rapamycin; RELA: RELA proto-oncogene, NFKB subunit; SCGB1A1: secretoglobin family 1A member 1; siRNA: small interfering RNAs; SQSTM1: sequestosome 1; TEM: transmission electronic microscopy; TLR4: toll like receptor 4; TSC2: TSC complex subunit 2.
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Affiliation(s)
- Yin-Fang Wu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhou-Yang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Ling-Ling Dong
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Wei-Jie Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yan-Ping Wu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jing Wang
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, Zhejiang, China
| | - Hai-Pin Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hui-Wen Liu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Miao Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Ci-Liang Jin
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hua-Qiong Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Song-Min Ying
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Wen Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hua-Hao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- State Key Lab of Respiratory Disease, Key cite of National Clinical Research Center for Respiratory Disease, Guangzhou, China
| | - Zhi-Hua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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Huang HQ, Bai B, Gao YH, Zou DH, Zou SH, Tan H, Song YP, Li ZY, Jin J, Li W, Su H, Gong YP, Zhong MZ, Shuang YR, Zhu J, Zhang JQ, Cai Z, Teng QL, Sun WJ, Yang Y, Xia ZJ, Chen HL, Hua LM, Bao YY, Wu N. [Application of pegylated recombinant human granulocyte colony-stimulating factor to prevent chemotherapy-induced neutropenia in patients with lymphoma: a prospective, multicenter, open-label clinical trial]. Zhonghua Xue Ye Xue Za Zhi 2019; 38:825-830. [PMID: 29166732 PMCID: PMC7364967 DOI: 10.3760/cma.j.issn.0253-2727.2017.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
目的 评价聚乙二醇化重组人粒细胞刺激因子(PEG-rhG-CSF)预防淋巴瘤患者化疗后发生中性粒细胞减少症的有效性和安全性。 方法 本研究为多中心、开放、单臂、Ⅳ期临床试验。纳入410例淋巴瘤患者接受多周期化疗并预防性使用PEG-rhG-CSF。主要观察患者各化疗周期Ⅲ/Ⅳ度中性粒细胞减少症和发热性中性粒细胞减少(FN)的发生率,同时观察患者整个化疗期间抗生素的使用率。 结果 ①410例患者中,违背入选标准8例(1.95%),失访35例(8.54%),发生不良事件19例(4.63%),出现符合终止研究标准者12例(2.93%),疾病进展或复发15例(3.66%),故最终321例(78.29%)进入符合方案集。②在第1~4个治疗周期,初级预防给予PEG-rhG-CSF后,Ⅳ度中性粒细胞减少症的发生率分别为19.14%(49/256)、12.50%(32/256)、12.18%(24/197)、13.61%(20/147),FN的发生率分别为3.52%(9/256)、0.39%(1/256)、2.54%(5/197)、2.04%(3/147);次级预防给药后,Ⅳ度中性粒细胞减少症的发生率从61.54%(40/65)降至16.92%(11/65)、18.46%(12/65)、20.75%(11/53),FN的发生率从16.92%(11/65)降至1.54%(1/65)、4.62%(3/65)、3.77%(2/53)。③整个化疗期间接受抗生素治疗的受试者比例为34.39%(141/410)。④与PEG-rhG-CSF相关的不良事件发生率为4.63%(19/410),最常见的不良反应为骨痛[3.90%(16/410)]、乏力(0.49%)和发热(0.24%)。 结论 在淋巴瘤患者化疗过程中,预防性使用PEG-rhG-CSF能够有效降低化疗过程中Ⅲ/Ⅳ度中性粒细胞减少症和FN的发生率,确保淋巴瘤患者接受标准剂量化疗,提高治愈率。
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Affiliation(s)
- H Q Huang
- Sun Yat-Sen University Cancer Center, Guangzhou 510060, China
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14
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Wang Y, Liu J, Zhou JS, Huang HQ, Li ZY, Xu XC, Lai TW, Hu Y, Zhou HB, Chen HP, Ying SM, Li W, Shen HH, Chen ZH. MTOR Suppresses Cigarette Smoke-Induced Epithelial Cell Death and Airway Inflammation in Chronic Obstructive Pulmonary Disease. J Immunol 2018; 200:2571-2580. [PMID: 29507104 DOI: 10.4049/jimmunol.1701681] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 02/12/2018] [Indexed: 12/17/2023]
Abstract
Airway epithelial cell death and inflammation are pathological features of chronic obstructive pulmonary disease (COPD). Mechanistic target of rapamycin (MTOR) is involved in inflammation and multiple cellular processes, e.g., autophagy and apoptosis, but little is known about its function in COPD pathogenesis. In this article, we illustrate how MTOR regulates cigarette smoke (CS)-induced cell death, airway inflammation, and emphysema. Expression of MTOR was significantly decreased and its suppressive signaling protein, tuberous sclerosis 2 (TSC2), was increased in the airway epithelium of human COPD and in mouse lungs with chronic CS exposure. In human bronchial epithelial cells, CS extract (CSE) activated TSC2, inhibited MTOR, and induced autophagy. The TSC2-MTOR axis orchestrated CSE-induced autophagy, apoptosis, and necroptosis in human bronchial epithelial cells; all of which cooperatively regulated CSE-induced inflammatory cytokines IL-6 and IL-8 through the NF-κB pathway. Mice with a specific knockdown of Mtor in bronchial or alveolar epithelial cells exhibited significantly augmented airway inflammation and airspace enlargement in response to CS exposure, accompanied with enhanced levels of autophagy, apoptosis, and necroptosis in the lungs. Taken together, these data demonstrate that MTOR suppresses CS-induced inflammation and emphysema-likely through modulation of autophagy, apoptosis, and necroptosis-and thus suggest that activation of MTOR may represent a novel therapeutic strategy for COPD.
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Affiliation(s)
- Yong Wang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Juan Liu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Jie-Sen Zhou
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Hua-Qiong Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Zhou-Yang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Xu-Chen Xu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Tian-Wen Lai
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Yue Hu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Hong-Bin Zhou
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Hai-Pin Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Song-Min Ying
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Wen Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
| | - Hua-Hao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou 510120, China
| | - Zhi-Hua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; and
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15
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Xin DS, Zhou L, Li CZ, Zhang SQ, Huang HQ, Qiu GD, Lin LF, She YQ, Zheng JT, Chen C, Fang L, Chen ZS, Zhang SY. TC > 0.05 as a Pharmacokinetic Parameter of Paclitaxel for Therapeutic Efficacy and Toxicity in Cancer Patients. Recent Pat Anticancer Drug Discov 2018; 13:341-347. [PMID: 29512471 DOI: 10.2174/1574892813666180305170439] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [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: 12/01/2017] [Revised: 02/28/2018] [Accepted: 02/28/2018] [Indexed: 02/05/2023]
Abstract
BACKGROUND Paclitaxel (PTX) has remarkable anti-tumor activity, but it causes severe toxicities. There is an urgent need to seek an appropriate pharmacokinetic parameter of PTX to improve treatment efficacy and reduce adverse effects. OBJECTIVE To evaluate the association of pharmacokinetic parameter TC > 0.05 of paclitaxel (PTX) and its therapeutic efficacy and toxicity in patients with solid tumors. METHODS A total of 295 patients with ovarian cancer, esophageal cancer, breast cancer, and non-small cell lung cancer (NSCLC), who were admitted to the Tumor Hospital of Shantou University Medical College, China, were recruited for this study. Patients received 3 weeks of PTX chemotherapy. The plasma concentrations of PTX were examined using the MyPaclitaxel™ kit. The patients' PTX TC > 0.05 (the time during which PTX plasma concentration exceed 0.05µmol/L) were calculated based on pharmacokinetic analysis. RESULTS The results showed that: (1) the concentrations of PTX in these 295 patients ranged from 0.0358-0.127 µmol/L; (2) the PTX TC > 0.05 ranged from 14 to 38h with a median time of 27h; (3) among all treatment cycles, there was a statistically significant difference in the PTX TC > 0.05 between CR+PR and SD+PD; (4) with the increasing value of TC > 0.05, level of leukopenia and leukopenic fever increased; (5) high PTX TC > 0.05 led to the occurrence of neutropenia, neutropenic fever, severe anemia, and severe peripheral neurotoxicity. Taken together, our results indicated that the pharmacokinetic parameter PTX TC > 0.05 was an effective measure of treatment efficacy and toxicity in patients with solid tumors. Maintaining PTX TC > 0.05 at 26 to 30h could improve its efficacy and reduce the incidence of leukopenia, neutropenia, anemia, and peripheral neurotoxicity in these patients. CONCLUSION PTX TC > 0.05 is a key pharmacokinetic parameter of PTX which should be monitored to optimize individual treatment in patients with solid tumors.
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Affiliation(s)
- D S Xin
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - L Zhou
- Department of Gynecologic Oncology, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - C Z Li
- Department of Gynecologic Oncology, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - S Q Zhang
- Medical Oncology, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou, Guangdong, 515041, China
| | - H Q Huang
- Department of Ultrasound, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - G D Qiu
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
- Clinical Pharmacy Research Center, Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - L F Lin
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - Y Q She
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
- Clinical Pharmacy Research Center, Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - J T Zheng
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - C Chen
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - L Fang
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - Z S Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John`s University, 8000 Utopia Parkway, Queens, NY 11439, United States
| | - S Y Zhang
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
- Clinical Pharmacy Research Center, Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
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16
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Wen LL, Zhu ZW, Yang C, Liu L, Zuo XB, Morris DL, Dou JF, Ye L, Cheng YY, Guo HM, Huang HQ, Lin Y, Zhu CH, Tang LL, Chen MY, Zhou Y, Ding YT, Liang B, Zhou FS, Gao JP, Tang XF, Zheng XD, Wang WJ, Yin XY, Tang HY, Sun LD, Yang S, Zhang XJ, Sheng YJ, Cui Y. Multiple variants in 5q31.1 are associated with systemic lupus erythematosus susceptibility and subphenotypes in the Han Chinese population. Br J Dermatol 2017; 177:801-808. [PMID: 28144936 DOI: 10.1111/bjd.15362] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/04/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND A previous study provided evidence for a genetic association between PPP2CA on 5q31.1 and systemic lupus erythematosus (SLE) across multi-ancestral cohorts, but failed to find significant evidence for an association in the Han Chinese population. OBJECTIVES To explore the association between this locus and SLE using data from our previously published genome-wide association study (GWAS). METHODS Single-nucleotide polymorphisms (SNPs) rs7726414 and rs244689 (near TCF7 and PPP2CA in 5q31.1) were selected as candidate independent associations from a large-scale study in a Han Chinese population consisting of 1047 cases and 1205 controls. Subsequently, 3509 cases and 8246 controls were genotyped in two further replication studies. We then investigated the SNPs' associations with SLE subphenotypes and gene expression in peripheral blood mononuclear cells. RESULTS Highly significant associations with SLE in the Han Chinese population were detected for SNPs rs7726414 and rs244689 by combining the genotype data from our previous GWAS and two independent replication cohorts. Further conditional analyses indicated that these two SNPs contribute to disease susceptibility independently. A significant association with SLE, age at diagnosis < 20 years, was found for rs7726414 (P = 0·001). The expression levels of TCF7 and PPP2CA messenger RNA in patients with SLE were significantly decreased compared with those in healthy controls. CONCLUSIONS This study found evidence for multiple associations with SLE in 5q31.1 at genome-wide levels of significance for the first time in a Han Chinese population, in a combined genotype dataset. These findings suggest that variants in the 5q31.1 locus not only provide novel insights into the genetic architecture of SLE, but also contribute to the complex subphenotypes of SLE.
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Affiliation(s)
- L L Wen
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - Z W Zhu
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - C Yang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - L Liu
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - X B Zuo
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - D L Morris
- Division of Genetics and Molecular Medicine, King's College London, U.K
| | - J F Dou
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - L Ye
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - Y Y Cheng
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - H M Guo
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - H Q Huang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - Y Lin
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China.,Department of Dermatology, the Fourth Affiliated Hospital, Anhui Medical University, Hefei, Anhui, 230032, China
| | - C H Zhu
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - L L Tang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - M Y Chen
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - Y Zhou
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - Y T Ding
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - B Liang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - F S Zhou
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - J P Gao
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - X F Tang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - X D Zheng
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - W J Wang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - X Y Yin
- Department of Genetics, and Renaissance Computing Institute, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, U.S.A
| | - H Y Tang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - L D Sun
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - S Yang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - X J Zhang
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - Y J Sheng
- Institute of Dermatology and Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.,Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, 230032, China
| | - Y Cui
- Department of Dermatology, China-Japan Friendship Hospital, East Street Cherry Park, Chaoyang District, Beijing, 100029, China
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17
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Li XQ, Guo BL, Cai WY, Zhang JM, Huang HQ, Zhan P, Xi LY, Vicente VA, Stielow B, Sun JF, de Hoog GS. The role of melanin pathways in extremotolerance and virulence of Fonsecaea revealed by de novo assembly transcriptomics using illumina paired-end sequencing. Stud Mycol 2016; 83:1-18. [PMID: 27504027 PMCID: PMC4969264 DOI: 10.1016/j.simyco.2016.02.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Melanisation has been considered to be an important virulence factor of Fonsecaea monophora. However, the biosynthetic mechanisms of melanisation remain unknown. We therefore used next generation sequencing technology to investigate the transcriptome and digital gene expression data, which are valuable resources to better understand the molecular and biological mechanisms regulating melanisation in F. monophora. We performed de novo transcriptome assembly and digital gene expression (DGE) profiling analyses of parent (CBS 122845) and albino (CBS 125194) strains using the Illumina RNA-seq system. A total of 17 352 annotated unigenes were found by BLAST search of NR, Swiss-Prot, Gene Ontology, Clusters of Orthologous Groups and Kyoto Encyclopedia of Genes and Genomes (KEGG) (E-value <1e‒5). A total of 2 283 unigenes were judged to be the differentially expressed between the two genotypes. We identified most of the genes coding for key enzymes involved in melanin biosynthesis pathways, including polyketide synthase (pks), multicopper oxidase (mco), laccase, tyrosinase and homogentisate 1,2-dioxygenase (hmgA). DEG analysis showed extensive down-regulation of key genes in the DHN pathway, while up-regulation was noted in the DOPA pathway of the albino mutant. The transcript levels of partial genes were confirmed by real time RT-PCR, while the crucial role of key enzymes was confirmed by either inhibitor or substrate tests in vitro. Meanwhile, numbers of genes involved in light sensing, cell wall synthesis, morphology and environmental stress were identified in the transcriptome of F. monophora. In addition, 3 353 SSRs (Simple Sequence Repeats) markers were identified from 21 600 consensus sequences. Blocking of the DNH pathway is the most likely reason of melanin deficiency in the albino strain, while the production of pheomelanin and pyomelanin were probably regulated by unknown transcription factors on upstream of both pathways. Most of genes involved in environmental tolerance to oxidants, irradiation and extreme temperatures were also assembled and annotated in transcriptomes of F. monophora. In addition, thousands of identified cSSR (combined SSR) markers will favour further genetic linkage studies. In conclusion, these data will contribute to understanding the regulation of melanin biosynthesis and help to improve the studies of pathogenicity of F. monophora.
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Affiliation(s)
- X Q Li
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - B L Guo
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - W Y Cai
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - J M Zhang
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - H Q Huang
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - P Zhan
- Dermatology Hospital of Jiangxi Province, Nanchang, China; CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands; Institute of Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
| | - L Y Xi
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - V A Vicente
- Basic Pathology Department, Federal University of Paraná State, Curitiba, Paraná, Brazil
| | - B Stielow
- CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands
| | - J F Sun
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - G S de Hoog
- CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands; Institute of Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands; Basic Pathology Department, Federal University of Paraná State, Curitiba, Paraná, Brazil; Biological Sciences Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia; Department of Dermatology, First Hospital of Peking University, Beijing, China
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18
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Tao JP, Huang QQ, Huang HQ, Yang JJ, Shi M, Zhou Y, Wan LJ, Zhou C, Ou YJ, Tong YY, Yang DG, Si YY. Effects of goal-directed fluid therapy with different lactated Ringer's: hydroxyethyl starch ratios in hemorrhagic shock dogs. Genet Mol Res 2015; 14:6649-63. [PMID: 26125873 DOI: 10.4238/2015.june.18.8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The effects of goal-directed fluid therapy, with lactated Ringer's (LR) and 6% hydroxyethyl starch (HES) solution, on hemorrhagic shock dogs are unknown. We aimed to determine the optimal LR: HES ratio for the resuscitation of hemorrhagic shock dogs. Hemorrhagic shock was induced in 40 ventilated dogs by drawing an estimated 60% blood volume. The animals were randomly divided into five groups (N = 8) according to the LR: HES ratio of the resuscitation fluid (3:1, 2:1, 1:1, 1:2, and 1:3), and were then resuscitated for 24 h to reach the stroke volume variation (SVV) and hemoglobin (Hb) goals by fluid infusion and autologous blood perfusion. The extravascular lung water index (EVLWI), pH, partial pressure of oxygen (PaO2), base excess (BE), sodium, chloride, Hb and creatinine clearance (Clearcrea) were checked after 24 h (R24). The EVLWI of the 3:1 group at R24 were higher than that of the 1:3 group and the baseline value (P < 0.05), whereas the PaO2 was lower (P < 0.05). In contrast to the 3:1 group at R24 and baseline, plasma chloride and sodium in the 1:3 and 1:2 groups increased; however, pH, BE, and Clearcrea decreased (P < 0.05). No significant differences were found in the 1:1 and 2:1 groups at R24 compared with baseline (P > 0.05). Resuscitation with LR and HES at 2:1 and 1:1 ratios are superior in maintaining the acid-base, electrolyte, and lung water balances as well as renal function in hemorrhagic shock dogs than at ratios of 3:l, 1:2, and1:3.
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Affiliation(s)
- J P Tao
- Department of Anesthesiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Q Q Huang
- Department of Intensive Care Unit, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - H Q Huang
- Department of Intensive Care Unit, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - J J Yang
- Department of Anesthesiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - M Shi
- Department of Anesthesiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Y Zhou
- Department of Anesthesiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - L J Wan
- Department of Intensive Care Unit, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - C Zhou
- Department of Anesthesiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Y J Ou
- Department of Anesthesiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Y Y Tong
- Department of Radiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - D G Yang
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Y Y Si
- Department of Anesthesiology, Second Affiliated Hospital of Kunming Medical University, Kunming, China
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19
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Hua W, Liu H, Xia LX, Tian BP, Huang HQ, Chen ZY, Ju ZY, Li W, Chen ZH, Shen HH. Rapamycin inhibition of eosinophil differentiation attenuates allergic airway inflammation in mice. Respirology 2015; 20:1055-65. [PMID: 26053964 DOI: 10.1111/resp.12554] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 02/22/2015] [Accepted: 03/21/2015] [Indexed: 01/11/2023]
Abstract
BACKGROUND AND OBJECTIVE The mammalian target of rapamycin (mTOR) signalling pathway regulates immune responses, and promotes cell growth and differentiation. Inhibition of mTOR with rapamycin modulates allergic asthma, while the underlying molecular mechanisms remain elusive. Here, we demonstrate that rapamycin, effectively inhibits eosinophil differentiation, contributing to its overall protective role in allergic airway inflammation. METHODS Rapamycin was administered in a mouse model of ovalbumin-induced allergic airway inflammation, and the eosinophil differentiation was analysed in vivo and in vitro. RESULTS Rapamycin significantly attenuated allergic airway inflammation and markedly decreased the amount of eosinophils in local airways, peripheral blood and bone marrow, independently of levels of interleukin-5 (IL-5). In vitro colony forming unit assay and liquid culture demonstrated that rapamycin directly inhibited IL-5-induced eosinophil differentiation. In addition, rapamycin reduced the production of IL-6 and IL-13 by eosinophils. Rapamycin was also capable of reducing the eosinophil levels in IL-5 transgenic NJ.1638 mice, again regardless of the constitutive high levels of IL-5. Interestingly, rapamycin inhibition of eosinophil differentiation in turn resulted in an accumulation of eosinophil lineage-committed progenitors in bone marrow. CONCLUSIONS Altogether these results clearly demonstrate a direct inhibitory role of rapamycin in eosinophil differentiation and function, and reemphasize the importance of rapamycin and possibly, mTOR, in allergic airway disease.
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Affiliation(s)
- Wen Hua
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hui Liu
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Li-Xia Xia
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Bao-Ping Tian
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hua-Qiong Huang
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhi-Yang Chen
- Institute of Aging Research, Hangzhou Normal University College of Medicine, Hangzhou, Zhejiang, China
| | - Zhen-Yu Ju
- Institute of Aging Research, Hangzhou Normal University College of Medicine, Hangzhou, Zhejiang, China
| | - Wen Li
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhi-Hua Chen
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hua-Hao Shen
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,State Key Laboratory of Respiratory Diseases, Guangzhou, Guangdong, China
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20
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Li N, Huang HQ, Zhang GS, Cui W. Effect of 5- AZn-2 '-deoxycytidine on proliferation of human lung adenocarcinoma cell line A549 in vitro. ASIAN PAC J TROP MED 2013; 6:982-5. [PMID: 24144032 DOI: 10.1016/s1995-7645(13)60176-5] [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: 09/10/2013] [Revised: 10/15/2013] [Accepted: 11/15/2013] [Indexed: 10/26/2022] Open
Abstract
OBJECTIVE To explore effect of 5-AZn-2 '-deoxycytidine on proliferation of human lung adenocarcinoma cell line A549 in vitro. METHODS Superoxide dismutase (SOD) activity was measured by hydroxylamine colorimetric method. Inhibition effect of 5-AZn-2' deoxycytidylic acid at different concentration and different time on growth of A549 cell was determined by MTT assay. Methylene dioxyamphetamine (MDA) was measured by thiobarbituric acid colorimetric method. Effect of 5-AZn-2' deoxycytidylic acid on apoptosis of A549 cell was determined by Hoechst 33258 dyeing detection. RESULTS 5-AZn-2' deoxycytidylic acid had significant inhibition effect on proliferation of A549 cells in vitro, and the inhibition was notably dependent on time and dosage during 48-72 h; SOD level was significantly lower than those of control group (P<0.05, P<0.01), MDA level was significantly higher than those in the control group (P<0.05, P<0.01). A549 cells began to be in apoptosis after using 5-AZn-2'deoxycytidylic acid. CONCLUSIONS 5- AZn-2' deoxycytidylic acid has significant inhibition effect on growth of A549 cell, and can lead the change of lipid peroxidation. It indicates that the mechanism has relationship with A549 cell cycle tissue and induction factor of apoptosis.
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Affiliation(s)
- Na Li
- Department of Intensive Care Unit, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
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21
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Huang JJ, Jiang WQ, Lin TY, Huang Y, Xu RH, Huang HQ, Li ZM. Absolute lymphocyte count is a novel prognostic indicator in extranodal natural killer/T-cell lymphoma, nasal type. Ann Oncol 2010; 22:149-155. [PMID: 20595450 DOI: 10.1093/annonc/mdq314] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND extranodal natural killer (NK)/T-cell lymphoma (ENKL) is a heterogeneous entity with poor survival, requiring risk stratification in affected patients. We proposed absolute lymphocyte count (ALC) as a new prognostic factor in ENKL. PATIENTS AND METHODS we retrospectively analyzed 128 patients newly diagnosed with ENKL. Independent prognostic factors of survival were determined by Cox regression analysis. RESULTS patients with low ALC (<1.0 × 10(9)/l) at diagnosis tended to have more adverse clinical features. Patients with high ALC (≥1.0 × 10(9)/l) at diagnosis had better overall survival (OS; P < 0.0001) and progression-free survival (PFS; P<0.0001), and achieved higher complete remission rates (P=0.001). Multivariate analysis with known prognostic factors showed that ALC, B symptoms and advanced stage were independent predictors for OS and PFS. Using the International Prognostic Index, Prognostic Index for Peripheral T-cell lymphoma unspecified, or Korean Prognostic Index for nasal NK/T-cell lymphoma, the majority of patients were in the low-risk category (with no or one adverse factor). ALC was helpful to differentiate the low-risk patients with different survival outcomes (P < 0.0001). CONCLUSIONS our data suggest that ALC at diagnosis is a novel, powerful predictor of prognosis in ENKL. Immune status at diagnosis might have an important influence on survival in patients with ENKL.
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Affiliation(s)
- J J Huang
- State Key Laboratory of Oncology in Southern China; Department of Medical Oncology
| | - W Q Jiang
- State Key Laboratory of Oncology in Southern China; Department of Medical Oncology
| | - T Y Lin
- State Key Laboratory of Oncology in Southern China; Department of Medical Oncology
| | - Y Huang
- State Key Laboratory of Oncology in Southern China; Department of Radiation Oncology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, People's Republic of China
| | - R H Xu
- State Key Laboratory of Oncology in Southern China; Department of Medical Oncology
| | - H Q Huang
- State Key Laboratory of Oncology in Southern China; Department of Medical Oncology
| | - Z M Li
- State Key Laboratory of Oncology in Southern China; Department of Medical Oncology.
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Wang PL, Zhang GS, Huang HQ, Li QM, Shen HH. [An analysis of the survey data on Hangzhou community physicians' perceptions of asthma knowledge and management]. Zhonghua Jie He He Hu Xi Za Zhi 2009; 32:270-273. [PMID: 19576040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
OBJECTIVE To evaluate the basic knowledge of asthma, the standardization of treatment and the continuing education with community physicians in Hangzhou. METHODS The survey investigated a total of 45 community health service centers in Hangzhou, and 2 - 4 western medicine physicians were randomly selected from each centre. A questionnaire was completed by totally 114 doctors under investigation. RESULTS Eighty-seven percent of the physicians believed asthma was an airway inflammatory disease. Sixty-nine percent chose inhaled glucocorticoids as daily first-line drug for persistent asthma and 55% had read asthma guidelines. However, only 24% had ever heard China Asthma Alliance (CAA) and only 6% had visited its website. Moreover, no one under investigation had participated in the CAA organized talks popularizing the standardization of asthma treatment. Over the past year, 55% of the respondents did not participate in any asthma-related meetings or seminars. Ninety-six percent of those surveyed expressed the hope that higher-level hospital doctors would come to the community hospital for asthma-related seminars. Among the 45 community health service centers, only 2 collected part of the registration data for asthma patients and only one conducted health education seminars for asthma patients during the past year. CONCLUSION Community physicians need to be provided more continuing education opportunities in order for them to provide standard asthma treatment for patients.
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Affiliation(s)
- Ping-Li Wang
- Department of Respiratory Disease, the Second Affiliated Hospital of Zhejiang University, Hangzhou 310009, China
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23
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Shen HH, Wang K, Li W, Ying YH, Gao GX, Li XB, Huang HQ. Astragalus Membranaceus prevents airway hyperreactivity in mice related to Th2 response inhibition. J Ethnopharmacol 2008; 116:363-369. [PMID: 18226482 DOI: 10.1016/j.jep.2007.12.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2007] [Revised: 11/11/2007] [Accepted: 12/03/2007] [Indexed: 05/25/2023]
Abstract
AIM OF THE STUDY Asthma is recognized as a common pulmonary disease throughout the world. To date, there has been a growing interest in herbal products in Traditional Chinese Medicine, which is considered to be effective to treat asthma. A Chinese herb Astragalus Membranaceus (AM) was found useful in treating allergic diseases. The purpose of this study is to determine whether this herbal injection could suppress allergic-induced AHR and mucus hypersecretion in allergic mice. MATERIALS AND METHODS A mouse model of chronic asthma was used to investigate AM injection on the airway lesions in compared with glucocorticoids. The study was conducted on mice sensitized and challenged with ovalbumin and the whole body plethsmography was performed to assess AHR. The bronchoalveolar lavage (BAL), histopathology were examined. RESULTS We found 28-day AM administration significantly decreased inflammatory infiltration and mucus secretion in the lung tissues of allergic mice. 28-day AM administration enhanced Ova-induced decreased IFN-gamma, and the Ova-induced elevations of IL-5 and IL-13 in BALF were prevented by 28-day injection. We also showed 28-day AM injection markedly suppressed increased AHR in allergic mice. CONCLUSIONS Our results indicate Astragalus Membranaceus has a potential role in treating allergic asthma.
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Affiliation(s)
- Hua-Hao Shen
- Department of Respiratory Medicine, The Second Affiliated Hospital, Medical School of Zhejiang University, 88# Jiefang Road, Hangzhou 310009, China.
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24
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Huang HQ, Brady MF, Cella D, Fleming G. Validation and reduction of FACT/GOG-Ntx subscale for platinum/paclitaxel-induced neurologic symptoms: a gynecologic oncology group study. Int J Gynecol Cancer 2007; 17:387-93. [PMID: 17362317 DOI: 10.1111/j.1525-1438.2007.00794.x] [Citation(s) in RCA: 145] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
The FACT/GOG (Gynecologic Oncology Group) Neurotoxicity (Ntx) subscale for assessing platinum/paclitaxel-induced neurologic symptoms was evaluated. The 11-item questionnaire was administered to patients with advanced endometrial cancer treated with doxorubicin/cisplatin (AP) or doxorubicin/cisplatin/paclitaxel (TAP) prior to 1-7 cycles of treatment in GOG 177. The subscale was evaluated in 134 patients in the TAP group for internal reliability, construct validity, criteria validity, sensitivity to treatment differences, and change over time. Cronbach coefficients for internal consistency prior to cycles 1-7 were 0.85, 0.80, 0.84, 0.82, 0.82, 0.85, and 0.84, respectively. The area under the receiver operating characteristic curve was 0.81 for the Ntx score prior to cycle 3. The TAP arm Ntx scores increased significantly from 3.67 at baseline to 8.13 prior to cycle 7; these were higher than the AP arm Ntx scores, which increased from 3.54 at baseline to 4.72 prior to cycle 7. The four sensory items accounted for 80% of treatment differences and 63% of longitudinal changes in the observed subscale score. The 11-item Ntx subscale reliably and validly assesses platinum/paclitaxel-induced peripheral neuropathy. A reduced four-item version is an efficient alternative in measuring this toxicity in clinical trials without compromising its performance.
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Affiliation(s)
- H Q Huang
- Gynecologic Oncology Group Statistical and Data Center, Roswell Park Cancer Institute, Buffalo, NY 14263, USA.
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25
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Bruner DW, Nolte SA, Shahin MS, Huang HQ, Sobel E, Gallup D, Cella D. Measurement of vaginal length: Reliability of the vaginal sound--a Gynecologic Oncology Group study. Int J Gynecol Cancer 2006; 16:1749-55. [PMID: 17009966 DOI: 10.1111/j.1525-1438.2006.00711.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
A decrease in vaginal length associated with treatments for gynecological malignancies, particularly pelvic radiotherapy, negatively impacts sexuality. Research into this important problem has been hampered by a lack of instrumentation to measure vaginal length. The Gynecologic Oncology Group recently evaluated the reliability of an instrument, the "vaginal sound," designed to measure vaginal length. Eighty-eight physicians and nurses attended a training session in the use of the vaginal sound that included a clinical practicum with live models. Reliability was assessed at the time of the practicum. The instrument performed well, with vaginal lengths in models without cancer in the upper range of normal as documented by Masters and Johnson. The vaginal sound also appeared to be sensitive to hypothesized changes in vaginal length. Interrater reliability was high with intraclass correlation coefficients of 0.88 among instructors and 0.76 among trainees. In conclusion, the vaginal sound is a simple, yet reproducible measure and adds methodologic rigor to studies of vaginal length.
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Affiliation(s)
- D W Bruner
- Population Science and Radiation Oncology and Symptoms and Outcomes Research, Fox Chase Cancer Center, Cheltenham, Philadelphia, Pennsylvania, USA.
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Tang FT, Chen SR, Wu XQ, Wang TQ, Chen JW, Li J, Bao LP, Huang HQ, Liu PQ. Hypercholesterolemia accelerates vascular calcification induced by excessive vitamin D via oxidative stress. Calcif Tissue Int 2006; 79:326-39. [PMID: 17120185 DOI: 10.1007/s00223-006-0004-8] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.3] [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] [Received: 01/04/2006] [Accepted: 07/16/2006] [Indexed: 11/25/2022]
Abstract
Hypercholesterolemia plays an important role in the initiation and progression of atherosclerosis and has a positive correlation with cardiovascular disease. Calcification is a common feature of atherosclerotic lesions and contributes to cardiovascular dysfunctions. The present study investigated the role of hypercholesterolemia in vascular calcification and its potential mechanism. Models of vascular calcification were established by administering vitamin D2 (VD) to rats alone or combined with a high-cholesterol diet (HCD) and by treating rat aorta smooth muscle cells (RASMCs) with beta-glycerophosphate (GP) alone or combined with oxidized low-density lipoprotein (oxLDL) in vitro. In rats, the combination of VD with HCD significantly enhanced vessel calcium deposition and the activity and mRNA expression of vessel alkaline phosphatase (ALP) compared to treatment with VD alone. This combination also enhanced serum levels of total cholesterol, oxLDL, and malondialdehyde as well as vascular production of superoxide anion, while it reduced the vascular activity of superoxide dismutase. Both simvastatin, a cholesterol-lowering agent, and antioxidant vitamin E antagonized the effects of the above combination. In RASMCs, oxLDL accumulation dependently accelerated calcium deposition in cell layers initiated by GP alone. Also, oxLDL stimulated ALP activity and mRNA expression in RASMCs in a concentration-dependent manner. Taken together, these results suggest that acceleration of vascular calcification by hypercholesterolemia might be attributed to oxidative stress and such calcification may be another target of statin or antioxidant action in antiatherosclerosis.
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Affiliation(s)
- F T Tang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510080, People's Republic of China
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Tang FT, Qian ZY, Liu PQ, Zheng SG, He SY, Bao LP, Huang HQ. Crocetin improves endothelium-dependent relaxation of thoracic aorta in hypercholesterolemic rabbit by increasing eNOS activity. Biochem Pharmacol 2006; 72:558-65. [PMID: 16876766 DOI: 10.1016/j.bcp.2006.05.018] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [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: 04/16/2006] [Revised: 05/22/2006] [Accepted: 05/24/2006] [Indexed: 11/21/2022]
Abstract
Our previous studies have proven that crocetin (CCT), extracted from Gardenia jasminoides Ellis, possesses the anti-atherosclerotic effect. Because endothelial dysfunction strongly contributes to the initiation and progression of atherosclerosis, the present study aims to investigate whether CCT is capable of improving this dysfunction and to explore the possible mechanisms. Endothelial dysfunction was induced by in vivo feeding high cholesterol diet (HCD) to rabbit and by in vitro treating bovine aortic endothelial cells (BAECs) with oxidized LDL (oxLDL). Endothelium-dependent relaxation (EDR) evoked by acetylcholine (Ach) and endothelium-independent relaxation (RIDR) mediated by sodium nitroprusside (SNP) of thoracic aorta isolated from rabbit were measured. The results indicated that the EDR in HCD alone treated rabbits was seriously impaired and the maximal relaxation induced by Ach (10(-5.5) M) was only 54% that in control rabbit fed with regular diet. Oral complementation with CCT (15, 30 mg/kg) dose-dependently improved this impairment and restored the maximal relaxation to 68% and 80% that in control group, respectively. However, the EIDR maintained comparable in all groups. Complementation with CCT (15, 30 mg/kg) simultaneously increased serum level of nitric oxide (NO), upregulated vessel activity and mRNA expression of endothelial NO synthase (eNOS) as well as vessel cyclic GMP (cGMP) content compared with those in rabbit treated with HCD alone. Inducible NOS (iNOS) activity remained unchangeable in all groups. In BAECs, oxLDL treatment decreased NO production, downregulated both activity and mRNA expression of eNOS. While those decrease or downregulation were inhibited by co-treatment with CCT (0.1, 1, 10 microM) in a dose-dependent manner. These findings suggested that CCT significantly restored the EDR of thoracic aorta in hypercholesterolemic rabbit, which might be explained by its action to increase the vessel eNOS activity, leading to elevation of NO production.
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MESH Headings
- Animals
- Aorta, Abdominal/drug effects
- Aorta, Abdominal/enzymology
- Aorta, Abdominal/physiology
- Aorta, Thoracic/drug effects
- Aorta, Thoracic/enzymology
- Aorta, Thoracic/physiology
- Base Sequence
- Carotenoids/pharmacology
- Cyclic GMP/metabolism
- DNA Primers
- Endothelium, Vascular/drug effects
- Endothelium, Vascular/enzymology
- Endothelium, Vascular/physiology
- Hypercholesterolemia/enzymology
- Male
- Muscle Relaxation/drug effects
- Nitric Oxide/blood
- Nitric Oxide Synthase Type III/genetics
- Nitric Oxide Synthase Type III/metabolism
- RNA, Messenger/genetics
- Rabbits
- Vitamin A/analogs & derivatives
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Affiliation(s)
- F T Tang
- Department of Pharmacology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China.
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28
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Abstract
Several anaerobic electrochemical cells were employed to study the kinetics of iron release from pig spleen ferritin (PSF) at a bare platinum electrode. Controlled potential microcoulometry (CPM) is the principal technology used to investigate the kinetics in the absence of a mediator. A kinetic study of iron release by microcoulometry has revealed that ferritin undergoes direct electron transfer at the electrode in the absence of a mediator, indicating that ferritin is an electroactive protein. Several experiments failed to show that alpha'alpha-bipyridyl has the capacity to reduce hydrolyzed Fe(3+) within the ferritin core after it has been reduced by the electrode at -600 mV vs. NHE in the absence of mediator. PSF is known to bind heme to generate a hemeoprotein, named pig spleen hemeoferritin (PSF(ho)). The rate of iron release is accelerated by the heme binding to PSF(ho) without the need for small mediators. Under similar conditions, two kinetic processes for iron release from PSF and bacterial ferritin of Azoaobacter vinelandii (AvBF) were studied and both fit a zero-order law. In addition, the rate of iron release in PSF can be accelerated two-fold by a specific reduction system consisting of ascorbic acid (AA) and the bare platinum electrode at -600 mV. However, this kinetic process does not follow zero-, half-, first, or second-order rate laws. A model is proposed to explain a mechanism of direct electron transfer between ferritin and the electrode is derived to describe the kinetics of iron release.
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Affiliation(s)
- H Q Huang
- MOE of Key Laboratory for Cell Biology and Tumor Cell Engineering, School of Life Sciences, Xiamen University, Xiamen 361005, PR China.
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29
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Huang HQ, Lin QM, Zhai WJ, Chen CH. Effect of redox mediators on nitrogenase and hydrogenase activities in Azotobacter vinelandii. J Protein Chem 2000; 19:671-8. [PMID: 11307951 DOI: 10.1023/a:1007100319108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
In bioelectrochemical studies, redox mediators such as methylene blue, natural red, and thionine are used to studying the redox characteristics of enzymes in the living cell. Here we show that nitrogenase activity in Azotobacter vinelandii is completely inhibited by oxidized methylene blue (MBo) when the concentration of this mediator in the medium is increased up to 72 microM. This activity in A. vinelandii is somewhat inhibited by a coenzyme, ascorbic acid (AA). However, the nitrogenase activity within the A. vinelandii cell is unchanged even for a high concentration of oxidized natural red (NRo) alone. Interestingly, these mediators and AA do not have the capacity to inhibit the H2 uptake activity of the hydrogenase in A. vinelandii. Average active rates of 66 nM H2 evolved/mg cell protein/min from the nitrogenase and 160 nM H2-uptake/mg cell protein/min from the hydrogenase in A. vinelandii are found in aid of the activities of the enzymes for H2 evolution and for H2 uptake are compared. The activities of both enzymes in A. vinelandii are strongly inhibited by thionine having high oxidative potential. Mechanisms of various mediators acting in vivo for both enzymes in A. vinelandii are discussed.
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Affiliation(s)
- H Q Huang
- School of Life Sciences, Xiamen University, China.
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Huang HQ, Lin QM, Lou ZB. Construction of a ferritin reactor: an efficient means for trapping various heavy metal ions in flowing seawater. J Protein Chem 2000; 19:441-7. [PMID: 11195968 DOI: 10.1023/a:1026541129563] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
An apparatus consisting of two pumps, a mixer, a ferritin reactor, and a spectrophotometer was constructed to study the ability to trap various heavy metal ions (M2+) and the dynamics of a reconstituted ferritin reactor in flowing seawater. Reconstituted pig spleen ferritin (PSFr) is assembled from apo-protein shell to form a reconstituted iron core. The main components of the PSFr are its core, which contains an Fe2+:Pi stoichiometry of 6.0 +/- 0.5, reconstituted from pig spleen apoferritin (apo PSF), Fe2+, inorganic phosphate (Pi), and O2 (0.6 atm). The Fe3+-Pi clusters within the PSFr core exhibit resistance to salt ranging from 1% to 6% NaCl. The ferritin reactor consists of PSFr and an oscillating bag. Using the reactor, M2+ ions such as Cd2+, Zn2+, Co2+, and Mn2+ are directly trapped by the ferritin. We found a 1:2 +/- 0.2 stoichiometry of the trapped M2+ to the released iron as measured by chemical analysis or atomic absorption spectrometry; nontransient elements such as Na+, K+, Ca2+, etc., were scarcely trapped by the reactor. This study provides basic conditions for establishing a ferritin reactor and a convenient means for monitoring the pollution of heavy metal ions in seawater.
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Affiliation(s)
- H Q Huang
- Department of Biology, School of Life Sciences, Xiamen University, China.
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Huang HQ, Lin QM, Kong B, Zeng RY, Qiao YH, Chen CH, Zhang FZ, Xu LS. Role of phosphate and kinetic characteristics of complete iron release from native pig spleen ferritin-Fe. J Protein Chem 1999; 18:497-504. [PMID: 10449047 DOI: 10.1023/a:1020653028685] [Citation(s) in RCA: 16] [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] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The kinetics for complete iron release showing biphasic behavior from pig spleen ferritin-Fe (PSFF) was measured by spectrophotometry. The native core within the PSFF shell consisted of 1682 hydroxide Fe3+ and 13 phosphate molecules. Inhibition kinetics for complete iron release was measure by differential spectrophotometry in the presence of phosphate; the process was clearly divided into two phases involving a first-order reaction at an increasing rate of 46.5 Fe3+/PSFF/min on the surface of the iron core and a zero-order reaction at a decreasing rate of 6.67 Fe3+/PSFF/min inside the core. The kinetic equation [C(PSFF-Fe3+)max - C(PSFF-Fe3+)t](1/2) = Tmax - Tt gives the transition time between the two rates and represents the complex kinetic characteristics. The rate was directly accelerated twofold by a mixed reducer of dithionite and ascorbic acid. These results suggest that the channel of the PSFF shell may carry out multiple functions for iron metabolism and storage and that the phosphate strongly affects the rate of iron release.
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Affiliation(s)
- H Q Huang
- Department of Biology, Xiamen University, China.
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Huang HQ, Lin QM, Zhang FZ, Chen CH, Chen X, Chen Z. Studies on the heme and H2-uptake reaction from Azotobacter vinelandii bacterial ferritin. Bioelectrochem Bioenerg 1999; 48:87-93. [PMID: 10228574 DOI: 10.1016/s0302-4598(98)00215-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Bacterial ferritin of Azotobacter vinelandii (AvBF) is directly able to pick electrons up for iron release from or transfer them for storage to a platinum electrode in the absence of mediator or other reducer. The ferritin containing the structure of heme-Co2+ in part shows weakened activity to electrode and decreases the rate of iron release greatly. A reversible reduction process of the ferritin is observed by the spectral change regularly ranging from 310 to 260 nm under mixed gases containing 98% H2 and 2% to O2. The activity of nitrogen fixation from the whole cell of A. vinelandii increases greatly by H2 reduction with potentials ranging from -397 to -425 mV vs. NHE, indicating two important roles of H2-uptake reaction of the ferritin in increasing activity of nitrogen fixation and in supplying iron to synthesize nitrogenase.
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Affiliation(s)
- H Q Huang
- Department of Biology, Xiamen University, China
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Huang HQ, Xu LS, Zhang FZ, Qui XH, Lin QM, Huang JW, Zao H, Huang NC, Zeng RY, Zeng D. H2-uptake activity, spectra, reduction potentials, and kinetics of iron release on the surface of iron core from Azotobacter vinelandii bacterial ferritin. J Protein Chem 1998; 17:45-52. [PMID: 9491927 DOI: 10.1023/a:1022538530701] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bacterial ferritin from Azotobacter vinelandii (AvBFo) has a function in H2 uptake. The Fe3+ reduction on the surface of the iron core from AvBFo is accompanied simultaneously by H2 uptake, with a maximum activity of H2 uptake of 450 H2/AvBFo. A reduction potential of -402 mV for iron reduction on the surface of the core is found. A shift to the red the protein absorbance peaks ranging from 280 to 290 nm is observed between pH 5 and 9 under 100% H2 reduction. The reduction potential for iron release becomes negative at a rate of 0.025 mV/Fe2+ released. The kinetics of iron release on the surface of the core is a first-order reaction.
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Affiliation(s)
- H Q Huang
- Department of Biology, Xianen University, China
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Abstract
Allyl 2-O-benzoyl-4,6-O-benzylidene-alpha-D-glucopyranoside (3), obtained by selective benzoylation of allyl 4,6-O-benzylidene-alpha-D-glucopyranoside (2) with benzoyl chloride-imidazole in anhydrous chloroform, reacted with 2, 3, 4-tri-O-benzoyl-alpha-L-rhamnopyranosyl bromide to give a disaccharide derivative (4), and an important intermediate (5) was obtained by cleavage of its acetal. Treatment of 5 with a series of glycopyranosyl bromides, protected by acetyl or benzoyl groups in benzene-nitromethane in the presence of Hg(CN)2 as a catalyst afforded four trisaccharides (6-9). The disaccharide (5) and trisaccharides (6-9) constitute the sugar cores of phenylpropanoid glycosides. A new glycosyl anomeric leaving group, trichloroacetoxy, was employed to prepare the disaccharide (4) and trisaccharides residue (8) efficiently and with high stereoselectivity.
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Affiliation(s)
- Z J Li
- School of Pharmaceutical Sciences, Beijing Medical University, China
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Huang HQ, Kofford M, Simpson FB, Watt GD. Purification, composition, charge, and molecular weight of the FeMo cofactor from Azotobacter vinelandii nitrogenase. J Inorg Biochem 1993; 52:59-75. [PMID: 8228979 DOI: 10.1016/0162-0134(93)85623-g] [Citation(s) in RCA: 20] [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] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A procedure has been developed for purifying NMF and NMF/DMF solutions of the FeMo cofactor (FeMoco) derived from the molybdenum iron protein of nitrogenase. This procedure consists of anaerobic chromatography of FeMoco solutions on two consecutive anaerobic molecular sizing columns followed by electrophoretic migration through a third sizing column. FeMoco prepared by this procedure is homogeneous as evidenced by chromatographic, electrophoretic, and compositional criteria. The minimal elemental composition was found to be MoFe6S6 using chemical colorimetric, inductively coupled plasma (ICP), and proton induced x-ray emission (PIXE) analytical procedures. Molecular weight measurements of NMF and DMF solutions of FeMoco using calibrated columns containing various molecular sizing matrices gave values of 1395 +/- 130 daltons for the molecular weight of FeMoco. The measured MW of FeMoco is about twice the value expected from the minimal stoichiometry, suggesting that FeMoco may exist as Mo2Fe12S12 in NMF and DMF solutions. The charge of FeMoco in its EPR silent state was determined to be 2- per Mo by passing NMF solutions of FeMoco containing excess salts of Na+, K+, Rb+, and Mg2+ through long columns equilibrated with pure NMF and then measuring the M/Mo ratio of the emerging FeMoco. Decomposition of purified FeMoco by acid or O2-exposure followed by exhaustive methylation or silanation of the resulting mixture failed to yield any methylated or silanated homocitric acid as measured by tandem gas chromatography-mass spectrometry (GC-MS) analysis. The GC-MS procedure applied to standard homocitric acid samples and various controls readily detects methylated homocitric acid at the sub-nanomole level. We conclude that the minimum molecular formula for active oxidized (EPR silent) FeMoco in NMF and in NMF-DMF mixtures is [Mo2Fe12S12]4-, but that other small organic anions such as NMF- may be present.
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Affiliation(s)
- H Q Huang
- Department of Biology, Xiamen University, PRC
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Abstract
Postburn metabolic and immunological alterations may in part be due to translocation of gut exotoxin and endotoxin, which can result in tumour necrosis factor (TNF) and prostaglandin E (PGE) production by macrophages. We evaluated the effect of burn injury, plus exotoxin and endotoxin on TNF-alpha and PGE production by Kupffer cells, and peritoneal macrophages. Adult Wistar rats underwent 30 per cent TBSA burn or sham burn. Kupffer cells were harvested from rat livers and peritoneal macrophages from the abdominal cavity 24 h postburn. They were cultured overnight at 1 x 10(6) cells/ml and stimulated with saline, 5 micrograms/ml of Pseud. aeruginosa Exotoxin A (Exo-A), 5 micrograms/ml of Pseud. aeruginosa Endotoxin (Endo), Exo-A + Endo, or Exo-A + Endo + the PGE derivative 16,16 dimethyl-PGE (dPGE) (10 micrograms/ml). The supernatants were harvested after 4, 24 and 48 h of culture and assayed for TNF-alpha and PGE. Results showed that burn injury induced an increase in TNF-alpha and PGE production by Kupffer cells stimulated with Exo-A, Endo, and both Exo-A + Endo (P < 0.05). The release of TNF-alpha by Kupffer cells was downregulated by exogenous PGE (P < 0.05). The increased TNF-alpha production was inversely related to PGE levels. In conclusion, both burn injury and Exo-A potentiate the responsiveness of Kupffer cells and peritoneal macrophages to endotoxin as measured by the rate of production of TNF-alpha and PGE. PGE may locally downregulate the immune response by limiting Kupffer cells' and peritoneal macrophages' TNF-alpha production.
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Affiliation(s)
- Y L Dong
- Shriners Burns Institute, Galveston Unit, Texas
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Huang HQ, Liang SZ. [Improvement of blood pressure and left cardiac function in patients with hypertension by auricular acupuncture]. Zhong Xi Yi Jie He Za Zhi 1991; 11:654-6, 643-4. [PMID: 1813166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The authors observed 30 patients with hypertension, which blood pressure was lowered by Heart point of ear needling. Comparison of hypotensive effect of short-term between Heart point and Stomach point of ear needling showed that there was markable hypotensive effect by Heart point, whose hypotensive rate of short-term was 100% and forward effect rate was 63.3%. There was inefficacy for hypotensive by Stomach point. There was marked effect of left cardiac function, with II, III stage of hypertension, which was improved by Heart point. There was inefficacy for left cardiac function of normal being.
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Wang XF, Wang JE, Cao LS, Huang YZ, Huang HQ, Deng YB, Wu Y. Application of two-dimensional echocardiography in location of balloon of the Swan-Ganz catheter. Chin Med J (Engl) 1990; 103:117-24. [PMID: 2118027] [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: 12/30/2022] Open
Abstract
Two-dimensional echocardiography was used to guide and locate the balloon of Swan-Ganz catheter during catheterization in 43 patients. The echoes of balloon appeared as a series of strong light spots, with a rate of detection of 100%. Under monitoring of two-dimensional echocardiography, the site of balloon and its moving route could be determined. The coincidence of echographic findings and X-ray findings showed that it can be used instead of X-ray monitoring to lessen irradiation during catheterization. The depth of catheter inserted was measured. The differential points between the echoes of balloon and tubing, the terminology of the balloon site in echocardiography and fluoroscopy, its clinical value and limitation are discussed.
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Affiliation(s)
- X F Wang
- Echocardiographic Laboratory, Union Hospital, Tongji Medical University, Wuhan
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Wang XF, Wang JE, Cao LS, Huang YZ, Huang HQ, Wu Y, Deng YB. Left-sided contrast echocardiography with hydrogen peroxide--comparative effectiveness of pulmonary wedge injection by use of Swan-Ganz catheter and Cournand catheter. J Tongji Med Univ 1988; 8:176-81. [PMID: 3230594 DOI: 10.1007/bf02887844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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He XQ, Sun JC, Cui J, Huang HQ. [Analysis of core polysaccharides of the Escherichia coli cell wall and receptor sites of bacteriophage E-4]. Wei Sheng Wu Xue Bao 1988; 28:74-81. [PMID: 3291393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Wu HB, Gao XM, Huang HQ. [Severe paralysis of extensor and flexor muscles of the thigh treated with abdominal external oblique muscle transplantation]. Zhonghua Wai Ke Za Zhi 1985; 23:481-2, 510. [PMID: 2936585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Huang HQ, Gao Y, Mao HY, Wang XF, Wang JE, Chen HR, Huang YZ. Two-dimensional echocardiographic diagnosis of postinfarction ventricular aneurysms. Acta Acad Med Wuhan 1984; 4:113-7. [PMID: 6738982 DOI: 10.1007/bf02857030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Huang HQ, Gao Y, Mao HY, Wang XF, Wang JE, Huang YZ, Chen HR. EPSSb: a new M-mode echocardiographic index for evaluating left ventricular function in patients with myocardial infarction. Acta Acad Med Wuhan 1984; 4:109-112. [PMID: 6738981 DOI: 10.1007/bf02857029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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