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Xie ZH, Li LF, Zhu HS, Huang WL, Lin JW, Chen W, Ou JM. [Epidemiological characteristics of typhoid fever in Fujian Province, 2011-2022]. Zhonghua Liu Xing Bing Xue Za Zhi 2024; 45:207-212. [PMID: 38413058 DOI: 10.3760/cma.j.cn112338-20230830-00107] [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: 02/29/2024]
Abstract
Objective: To analyze the incidence trend and epidemiological characteristics of typhoid fever in Fujian Province from 2011 to 2022, and understand the high-incidence population and hotspot areas, and provide evidences to develop more targeted prevention and control measures. Methods: The surveillance data of typhoid fever during 2011-2022 in Fujian Province were obtained from the National Disease Reporting Information System and analyzed with SAS 9.4. The spatial autocorrelation analysis of typhoid fever incidence at county/district levels was performed with ArcGlS 10.8. Results: A total of 5 126 cases of typhoid fever were reported in Fujian Province from 2011 to 2022, with an average annual incidence rate of 1.10/100 000. The average annual incidence rate was 0.96/100 000 from 2011 to 2015, 1.49/100 000 from 2016 to 2019, and 0.81/100 000 from 2020 to 2022. The disease occurred all the year round, with high epidemic season from May to September. A total of 23.59% (1 209/5 126) of the cases occurred at the age of 0-4, and 9.62% (493/5 126) at the age of 5-9. The male to female ratio of the cases was 0.97∶1 (2 524∶2 602) for the whole population, 1.19∶1 (925∶777) for people under 10 years old, 0.75∶1 (1 060∶1 404) for people between 10 and 54 years old, and 1.28∶1 (539∶421) for people over 55 years old. Cases in Ningde City accounted for 30.65% (1 571/5 126) of the total cases. Most hotspots were occurred in Ningde City. Recurrent and clustered cases were found in family members. Conclusions: Typhoid fever was prevalent at a low level in Fujian Province during 2011-2022, indicating that strengthening the prevention and control measures should target key areas and populations. The incidence of typhoid fever in Fujian Province showed spatial aggregation phenomenon, and most cases gathered in Ningde City. Intensive study for the influencing factors of spatial clustering should be conducted.
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Affiliation(s)
- Z H Xie
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - L F Li
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - H S Zhu
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - W L Huang
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - J W Lin
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - W Chen
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - J M Ou
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
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Xie ZH, Li X, Xiao MJ, Liu J, Zhang Q, Zhang ZK, Yang YL, Wang HJ, Chen YX, Zhang YD, Li DX. [Hyperprolinemia type Ⅰ caused by PRODH gene variation: 2 cases report and literature review]. Zhonghua Er Ke Za Zhi 2023; 61:935-937. [PMID: 37803864 DOI: 10.3760/cma.j.cn112140-20230314-00178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/08/2023]
Affiliation(s)
- Z H Xie
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - X Li
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - M J Xiao
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - J Liu
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - Q Zhang
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - Z K Zhang
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - Y L Yang
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - H J Wang
- Department of Emergency, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - Y X Chen
- Department of Endocrinology, Genetics and metabolism, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - Y D Zhang
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - D X Li
- Henan Key Laboratory of Pediatric Genetics and Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
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Yuan X, Xie SB, Zhang H, Zhang JY, Wang FJ, Liu YZ, Meng L, Zhong W, Jiang WH, Xie ZH. [The efficacy and safety of standardized dust mite allergen subcutaneous immunotherapy in children with allergic rhinitis during treatment]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2023; 58:878-884. [PMID: 37675526 DOI: 10.3760/cma.j.cn115330-20230331-00146] [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: 09/08/2023]
Abstract
Objective: To evaluate the efficacy and safety of standardized dust mite allergen subcutaneous immunotherapy (SCIT) in children with allergic rhinitis (AR) during treatment. Methods: A total of 283 children with AR diagnosed with definite dust mite allergy and completed 2 to 3 years of SCIT who attended the Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, from August 2019 to October 2021 were included, including 205 males and 78 females, with a mean age of 10.8 years. The total nasal symptoms score (TNSS), symptom medication score (SMS), rhinoconjunctivitis quality of life questionnaire (RQLQ) and visual analogue scale (VAS) before and after 2 to 3 years' treatment were recorded, and the differences before and after treatment were compared. Adverse reactions during SCIT were recorded to evaluate its safety. SPSS 22.0 software was used for statistical analysis. Results: The overall effectiveness rate during SCIT in 283 children with AR was 89.4% (253/283). Compared with baseline, all symptom scores, medication scores and quality of life scores were significantly lower after 2 to 3 years of SCIT (all P<0.05). Further group comparisons showed positive efficacy in patients with different clinical characteristics, including age, gender, smoking status, family history of AR, symptom severity, mono-or poly-allergy, and second immunization, with no statistically significant differences between groups (all P>0.05). A total of 12 735 injections were administered during the SCIT, and a total of 213 (1.67%) injections of local adverse reactions occurred, mainly in the initial treatment phase, and the diameter of the local air mass was mostly 5 to 20 mm; 71 (0.56%) injections of systemic adverse reactions occurred, mainly in the initial treatment phase, and most of them were grade 1 reactions with no serious systemic adverse reaction such as shock. Conclusion: Standardized dust mite SCIT has a good safety profile and definite efficacy in treating AR children with different clinical characteristics. It can significantly improve all symptoms, reduce the use of symptomatic drugs and improve their quality of life.
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Affiliation(s)
- X Yuan
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - S B Xie
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - H Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - J Y Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - F J Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - Y Z Liu
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - L Meng
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - W Zhong
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - W H Jiang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
| | - Z H Xie
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Hunan Province Key Laboratory of Otorhinolaryngology Critical Diseases, Changsha 410008, China
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Sun QQ, Wang FJ, Sun HX, Xie ZH. [A case of Triadin knockout syndrome caused by TRDN gene variation]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2023; 61:735-737. [PMID: 37528017 DOI: 10.3760/cma.j.cn112140-20221221-01060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Affiliation(s)
- Q Q Sun
- Department of Cardiology, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - F J Wang
- Department of Cardiology, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - H X Sun
- Internal Intensive Care Unit, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
| | - Z H Xie
- Henan Key Laboratory of Pediatric Inherited & Metabolic Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou 450018, China
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Yang YC, Shen Y, Wang XD, Jiang Y, Qiu QH, Li J, Yu SQ, Ke X, Liu F, Xu YT, Lou HF, Wang HT, Yu GD, Xu R, Meng J, Meng CD, Sun N, Chen JJ, Zeng M, Xie ZH, Sun YQ, Tang J, Zhao KQ, Zhang WT, Shi ZH, Xu CL, Yang YL, Lu MP, Ye HP, Wei X, Sun B, An YF, Sun YN, Gu YR, Zhang TH, Ba L, Yang QT, Ye J, Xu Y, Li HB. [Expert consensus on the prevention and treatment of adverse reactions in subcutaneous immunotherapy(2023, Chongqing)]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2023; 58:643-656. [PMID: 37455109 DOI: 10.3760/cma.j.cn115330-20221111-00679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Affiliation(s)
- Y C Yang
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Y Shen
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - X D Wang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Y Jiang
- Department of Otolaryngology Head and Neck Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Q H Qiu
- Department of Otolaryngology Head and Neck Surgery, Guangdong Provincial People's Hospital, Guangzhou 510080, China
| | - J Li
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510080, China, Guangxi Hospital Division of The First Affiliated Hospital, Sun Yat-sen University, Nanning 530029, China
| | - S Q Yu
- Department of Otolaryngology Head and Neck Surgery, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
| | - X Ke
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - F Liu
- Department of Otolaryngology Head and Neck Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Y T Xu
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Fujian Medical University, Fuzhou 350004, China
| | - H F Lou
- Department of Otorhinolaryngology Head and Neck Surgery, Eye, Ear, Nose and Throat Hospital, Shanghai Medical College, Fudan University, Shanghai 200031, China
| | - H T Wang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - G D Yu
- Department of Otorhinolaryngology, Affiliated Hospital of Guizhou Medical University, Guiyang 550001, China
| | - R Xu
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510080, China, Guangxi Hospital Division of The First Affiliated Hospital, Sun Yat-sen University, Nanning 530029, China
| | - J Meng
- Department of Otolaryngology Head and Neck Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - C D Meng
- Department of Otolaryngology Head and Neck Surgery, China Japan Union Hospital of Jilin University, Changchun 130033, China
| | - N Sun
- Department of Otolaryngology, Huadong Hospital, Fudan University, Shanghai 200040, China
| | - J J Chen
- Department of Otolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - M Zeng
- Department of Otolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Z H Xie
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Y Q Sun
- Department of Otolaryngology, the Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen 518170, China
| | - J Tang
- Department of Otorhinolaryngology, Affiliated First People's Hospital of Foshan City, Sun Yat-sen University, Foshan 528000, China
| | - K Q Zhao
- Department of Otorhinolaryngology Head and Neck Surgery, Eye, Ear, Nose and Throat Hospital, Shanghai Medical College, Fudan University, Shanghai 200031, China
| | - W T Zhang
- Department of Otolaryngology Head and Neck Surgery, the Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Z H Shi
- Department of Otolaryngology Head and Neck Surgery and Department of Allergy, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - C L Xu
- Department of Otolaryngology Head and Neck Surgery, the Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, China
| | - Y L Yang
- Department of 1st Otolaryngology, the First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
| | - M P Lu
- Department of Otolaryngology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - H P Ye
- Department of Otolaryngology, Guizhou Province Hospital, Guiyang 550002, China
| | - X Wei
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital, Haikou 570311, China
| | - B Sun
- Department of Otorhinolaryngology Head and Neck Surgery, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Y F An
- Department of Otorhinolaryngology Head and Neck Surgery, Shanxi Medical University Affiliated Second Hospital, Taiyuan 030001, China
| | - Y N Sun
- Department of Otolaryngology Head and Neck Surgery, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Y R Gu
- Department of Otorhinolaryngology Head and Neck Surgery, Eye, Ear, Nose and Throat Hospital, Shanghai Medical College, Fudan University, Shanghai 200031, China
| | - T H Zhang
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - L Ba
- Department of Otolaryngology Head and Neck Surgery, People's Hospital of Tibet Autonomous Region, Lasa 850000, China
| | - Q T Yang
- Department of Otolaryngology Head and Neck Surgery and Department of Allergy, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - J Ye
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Y Xu
- Department of Otolaryngology, Head and Neck Surgery, Renmin Hospital, Wuhan University, Wuhan 430060, China
| | - H B Li
- Department of Otorhinolaryngology Head and Neck Surgery, Eye, Ear, Nose and Throat Hospital, Shanghai Medical College, Fudan University, Shanghai 200031, China
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Gao KL, Zhang H, Xie ZH, Zhang JY, Fan RH, Wang FJ, Xie SM, Zhao SP, Jiang WH. [Application of temporalis muscle flap in repair and reconstruction after the resection of tumor or necrotic foci following radiotherapy of nasopharyngeal carcinoma]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2022; 57:1288-1293. [PMID: 36404653 DOI: 10.3760/cma.j.cn115330-20211206-00774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To summarize and popularize the application of temporalis muscle flap in repair and reconstruction after the resection of tumor or necrotic foci following radiotherapy of nasopharyngeal carcinoma (NPC). Methods: A retrospective analysis was made on the patients treated in the Department of Otorhinolaryngology Head and Neck Surgery of Xiangya Hospital between January 2019 and March 2021 who underwent surgical resection of tumor or necrosis of NPC after radiotherapy and temporalis muscle flap repair. The effect of the repair and the patients' postoperative conditions were analyzed. Results: A total 29 patients, 19 males and 10 females, aged from 33 to 65 years old, were included in the study, and were followed up for 6-35 months. Except for 2 patients who were not followed due to bleeding or special bacterial infection, the others' temporalis muscle flap healed well and no cerebrospinal fluid rhinorrhea or massive hemorrhage occurred. After the operation, all patients had no nasopharyngeal reflux or new open rhinolalia, and in some patients, the open rhinolalia even got relieved. Except for one case of depressed temporal fossa caused by infection and followed debridement and another one case of shallowed forehead wrinkles, the appearances of the other patients were basically symmetrical. Some patients had temporary mouth opening limitation after operation, and all of them recovered after rehabilitation exercises. Conclusions: The temporalis muscle flap can protect the skull base and internal carotid artery, and improve the quality of life of patients after the resection of NPC or necrotic foci. It is a reliable pedicled flap for repairing skull base defect with simple operation procedures and relatively few complications.
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Affiliation(s)
- K L Gao
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - H Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - Z H Xie
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - J Y Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - R H Fan
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - F J Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - S M Xie
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - S P Zhao
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
| | - W H Jiang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Otorhinolaryngology Major Disease Research Key Laboratory of Hunan Province, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Anatomy Laboratory of Division of Nose and Cranial Base, Clinical Anatomy Center of Xiangya Hospital, Central South University, Changsha 410008, China
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Xie ZH, Lin JW, Huang WL, Zhu HS, Li LF, Chen W, Ou JM. [Analysis on repetitive reporting of hepatitis B in Fujian province, 2016-2020]. Zhonghua Liu Xing Bing Xue Za Zhi 2022; 43:343-347. [PMID: 35345288 DOI: 10.3760/cma.j.cn112338-20210630-00509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To analyze the repetitive reporting of hepatitis B in Fujian province during 2016-2020, and provide evidence for the improvement of hepatitis B surveillance. Methods: The reporting cards from the China Information System for Disease Control and Prevention were collected and divided into repetitive reporting cards and non-repetitive reporting cards from the report cards collected according to the valid ID number on the cards, and the proportion of repetitive report cards and related factors were analyzed by using software SAS 9.4. Results: A total of 314 551 hepatitis B reporting cards were submitted in Fujian from 2016 to 2020, in which 90.93% (286 020/314 551) were included in the analysis. The repetitive reporting cards accounted for 10.48% (29 982/286 020). The annual proportion of the repetitive reporting cards from 2016 to 2020 was between 2.98% and 3.71%, showing an overall increasing trend year by year (Z=2.26, P=0.024). The proportions of the repetitive reporting cards in 1-5 years were 3.17%, 5.40%, 7.74%, 9.27% and 10.48%, respectively, showing an increase trend with year (Z=128.16, P<0.001). The proportions of the repetitive reporting cards in 10 areas of Fujian ranged from 5.44% to 13.48% with significant difference (χ2=2 050.41, P<0.001) and increased with the increase of reported incidence of hepatitis B (Z=26.92, P<0.001). There were significant differences in relationships between repetitive reporting proportion and sex, age and type of the cases between the areas with high incidence and low incidence of hepatitis B. Conclusions: The reported incidence of hepatitis B was seriously affected by the repetitive reporting in Fujian from 2016 to 2020. A cross-year and cross-area surveillance mechanism for hepatitis B should be established and targeted measures should be taken to strengthen the control of the repetitive reporting and improve the surveillance for hepatitis B.
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Affiliation(s)
- Z H Xie
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - J W Lin
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - W L Huang
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - H S Zhu
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - L F Li
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - W Chen
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
| | - J M Ou
- Emergency Management and Epidemic Management Office, Fujian Provincial Center for Disease Control and Prevention/Fujian Provincial Key Laboratory of Zoonosis Research, Fuzhou 350001, China
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Xiao MJ, Li X, Li LF, Xie ZH, Zhang YD, Zhang C, Li DX, Wang JT. [A case of Charcot-Marie-Tooth disease type 2S caused by mutation of IGHMBP2 gene]. Zhonghua Er Ke Za Zhi 2022; 60:62-63. [PMID: 34986626 DOI: 10.3760/cma.j.cn112140-20210825-00701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- M J Xiao
- Henan Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - X Li
- Henan Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - L F Li
- Henan Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - Z H Xie
- Henan Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - Y D Zhang
- Henan Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - C Zhang
- Department of Neurology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - D X Li
- Henan Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - J T Wang
- Neonatal Diagnosis and Treatment Center,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
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Xiao MJ, Li LF, Xie ZH, Li X, Wang GW, Liu J, Li DX. [Distal arthrogryposes type 5 caused by PIEZO2 gene variation]. Zhonghua Er Ke Za Zhi 2021; 59:793-794. [PMID: 34645222 DOI: 10.3760/cma.j.cn112140-20210316-00214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- M J Xiao
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - L F Li
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - Z H Xie
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - X Li
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - G W Wang
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - J Liu
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
| | - D X Li
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases,Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450003, China
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Li LF, Zheng X, Liu L, Zhang WC, Xiao MJ, Xie ZH, Li X, Luo SY, Zhang YD, Li DX, Zhang C. [A case with MPPH3 syndrome caused by a novel variation in CCND2 gene]. Zhonghua Er Ke Za Zhi 2021; 59:236-237. [PMID: 33657702 DOI: 10.3760/cma.j.cn112140-20200713-00720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- L F Li
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - X Zheng
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - L Liu
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - W C Zhang
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - M J Xiao
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Z H Xie
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - X Li
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - S Y Luo
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Y D Zhang
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - D X Li
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affiliated of Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - C Zhang
- Department of Neurology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
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11
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Zhang H, Gao KL, Xie ZH, Zhang JY, Fan RH, Wang FJ, Xie SM, Jiang WH. [Clinical study on endoscopic surgery for soft tissue necrosis of cranial base after radiotherapy for nasopharyngeal carcinoma]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2021; 56:26-32. [PMID: 33472299 DOI: 10.3760/cma.j.cn115330-20200608-00483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the diagnosis and surgical treatment of patients with soft tissue necrosis of cranial base after radiotherapy for nasopharyngeal carcinoma (NPC). Methods: The clinical data of 7 NPC patients with soft tissue necrosis but not bone necrosis after radiotherapy were retrospectively analyzed.They were treated in Xiangya Hospital from 2015 to 2019. The clinical manifestations, diagnosis, treatment and prognosis were analyzed. The major clinical symptoms of the 7 patients were headache in 7 cases, hearing loss in 7 cases, long-term nasal malodor in 5 cases and epistaxis in 2 cases. All patients underwent high-resolution CT, MR and magnetic resonance angiography (MRA) before operation. All cases were treated with extended transnasal endoscopic approach under general anesthesia for resection of necrotic tissue. Five cases had their affected cartilaginous segments of the eustachian tubes partially or completely resected, 7 cases were treated with myringotomy and tube insertion, and 1 case was treated with pansinusectomy. Anti-inflammatory treatment were carried out during the perioperative period. The recovery of patients was observed and recorded through regular follow-up (from 6 months to 3 years) after the operation. Results: Nasopharynx soft tissue lesions can be seen in seven patients with bone cortex integrity by CT, and small bubble shadow can be seen at junction area between skull base soft tissue lesions and skull base bone surface.MR and MRA examination showed extensive inflammatory changes of nasopharynx. Parapharyngeal irregular necrotic cavity was found in 6 cases without central enhancement, demonstrating edema of surrounding soft tissue. The necrotic tissue of all 7 patients was surgically removed. Postoperative pathological examinations confirmed that all of them were necrotic soft and cartilaginous tissue, without tumor recurrence. The symptoms of all patients were significantly alleviated after operation. Headache was cured in 5 cases and relieved in 2 cases. Nasal malodor was cured in 4 cases and alleviated in 1 case. During the follow-up period, 5 patients survived, and 2 patients who had their eustachian tube reserved died. One of them died of nasopharyngeal hemorrhage caused by recurrent nasopharyngeal necrosis 3 months after the operation. Another case died of severe intracranial infection 6 months after operation. Conclusions: The diagnosis of skull base soft tissue necrosis after radiotherapy for nasopharyngeal carcinoma needs comprehensive analysis of radiotherapy history, clinical manifestations and imaging examination. High resolution CT, MR and MRA of skull base are very important for diagnosis. Early active removal of large-scale necrotic lesions under endoscope and partial or total resection of eustachian tube cartilage according to the involvement of eustachian tube cartilage is effective means of controling skull base soft tissue necrosis after radiotherapy. The effective means of necrosis can improve the quality of life of patients.
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Affiliation(s)
- H Zhang
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
| | - K L Gao
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
| | - Z H Xie
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
| | - J Y Zhang
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
| | - R H Fan
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
| | - F J Wang
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
| | - S M Xie
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
| | - W H Jiang
- Department of Otorhinolaryngology, Head and Neck Surgery, Xiangya Hospital, Central South University, Hunan Provincial Key Laboratory of Otorhinolaryngology Major Diseases, Changsha, 410008, China
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Wang F, Xie XH, Lin XQ, Qin YY, Xie ZH, Zhang JX, Ouyang M, Zhou CZ. [Exploration of the treatment model for patients with advanced non-small cell lung cancer complicated with chronic obstructive pulmonary disease based on real-world data]. Zhonghua Jie He He Hu Xi Za Zhi 2020; 43:450-454. [PMID: 32450634 DOI: 10.3760/cma.j.cn112147-20200304-00241] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore whether combining treatment of chronic obstructive pulmonary disease (COPD) with anti-tumor therapy is better than that of tumor treatment alone in advanced non-small cell lung cancer (NSCLC) patients with COPD in the real world. Methods: The clinical data of 101 patients with advanced NSCLC complicated with COPD from January 1, 2015, to December 31, 2017, in the First Affiliated Hospital of Guangzhou Medical University were analyzed retrospectively, including 99 males and two females, aged from 52 to 84 years[average (67±8) years]. Among the patients, 90 (89.1%) were smokers, with an average pack-year smoking index of (47±4) . The patients were divided into observation and control groups, depending on whether they received standardized anti-COPD supportive treatment. In the observation group, there were 36 patients, including 35 males and one female, aged from 54 to 84 years[ average (67±8) years], with an average pack-year of smoking (47±4). There were 65 patients in the control group, including 64 males and one female, aged from 52 to 83 years [average (67±8) years], with an average pack-year of smoking 47±4. There was no significant difference in the baseline data between the two groups. The primary outcome measures included the Objective response rate (ORR), disease control rate (DCR), disease-free survival (PFS), and overall survival (OS) of the two groups. An unpaired t-test was used to compare continuous variables between the observation and control groups. The Pearson chi-square test was used to compare categorical variables between the two groups. Kaplan-Meier survival curves were used to evaluate the median PFS and median OS of patients, and the log-rank test was used to assess differences between groups. Result: The ORR of the observation group and the control group was 22.6% (7 cases) and 22.2% (11 cases), respectively, with no significant difference (χ(2)=0.01, P=0.971). The DCR between the observation group and the control group was 58.1% (19 cases) and 57.8% (27 cases), with no significant difference (χ(2)=0.02, P=0.889). Median PFS in the observation group was 6.0 months, which was better than the 3.5 months in the control group (χ(2)=3.947, P<0.05). The median OS of the observation group was 18.0 months, which was better than the 15.0 months of the control group (χ(2)=4.083, P<0.05). Conclusions: Compared with the treatment of tumors alone, combination of anti-tumor therapy with anti-COPD therapy showed longer PFS and OS in patients with advanced NSCLC complicated with COPD.
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Affiliation(s)
- F Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
| | - X H Xie
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
| | - X Q Lin
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
| | - Y Y Qin
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
| | - Z H Xie
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
| | - J X Zhang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
| | - M Ouyang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
| | - C Z Zhou
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120,China
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Xie ZH, Li J, Xia Y, Shen F. [Recent progress in molecular targeted therapies for intrahepatic cholangiocarcinoma]. Zhonghua Wai Ke Za Zhi 2020; 58:289-294. [PMID: 32241059 DOI: 10.3760/cma.j.cn112139-20200128-00048] [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
Intrahepatic cholangiocarcinoma(ICC) is the second most common primary liver cancer. The incidence of ICC has been significantly increased globally in recent years. The concealed onset of ICC usually results in late disease diagnosis. Liver resection is currently the only well-established treatment for ICC that may cure the disease, however, long-term survival rate is still unsatisfied due to the low resection rate and high recurrence rate. Local therapy combined with systemic chemotherapy is the main treatment for advanced or unresectable ICC, but the outcomes are still poor. With the in-depth understanding of the molecular mechanism of ICC and development of next-generation sequencing technology, multiple abnormal signaling pathways (RAS/MAPK, MET, EGFR) and gene mutations (FGFR2, IDH1/2) have been identified as potential therapeutic targets. Although there is still no approved targeted drugs for ICC, more than 100 clinical trials testing targeted therapy alone or in combination with chemotherapy are ongoing, among which some have shown promising application prospects. Molecular typing and personalized targeted therapy are important ways to improve the overall outcomes of ICC. This review summarized the recent advances in the targeted therapies for patients with ICC.
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Affiliation(s)
- Z H Xie
- Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Affiliated to Naval Medical University, Shanghai 200433, China
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Gu QH, Li D, Xie ZH, Shen QB. The clinical significance of MIA gene in tumorigenesis of lung cancer. Neoplasma 2020; 67:660-667. [PMID: 31986890 DOI: 10.4149/neo_2020_190511n422] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 09/11/2019] [Indexed: 11/08/2022]
Abstract
Lung cancer is a common malignant disease in humans. Both the incidence rate and death rate keep growing in recent years and the prognosis of lung cancer patients is disappointing. Melanoma inhibitory activity (MIA) is a secreted protein and a serum marker for metastasis of melanoma. MIA was reported as an oncogene in several cancers. But its role in lung cancer was unknown. In this study, MIA level was shown to be increased in peripheral blood of 216 patients with lung cancer. And it was expressed much higher in tumor tissues than the normal control. Moreover, MIA expression was associated with the clinical stage of lung cancer. When MIA was knocked down, the viability, migration and invasion of A549 cells were remarkably suppressed. But the cell apoptosis rate was enhanced reversely. In contrast, overexpression of MIA promoted cell proliferation, migration and invasion while cell apoptosis was inhibited. Mechanically, the anti-apoptosis marker Bcl-2 was increased and pro-apoptosis marker Bax was decreased after MIA was overexpressed in A549 cells, and vice versa. The level of PCNA and PI3K/mTOR signaling molecules was also increased when MIA was upregulated but declined after knockdown of MIA. In conclusion, MIA plays an oncogenic role in lung cancer and might be a potential marker for the diagnosis of lung cancer.
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Affiliation(s)
- Q H Gu
- Department of Cardio-Thoracic Surgery, Huzhou Central Hospital, Huzhou, China
| | - D Li
- Department of Cardio-Thoracic Surgery, Huzhou Central Hospital, Huzhou, China
| | - Z H Xie
- Department of Cardio-Thoracic Surgery, Huzhou Central Hospital, Huzhou, China
| | - Q B Shen
- Department of Cardio-Thoracic Surgery, Huzhou Central Hospital, Huzhou, China
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Lu ZX, Xie ZH, Zhao JW, Chen YQ. Scale-Dependent Waylaying Effect of Pollinators and Pollination of Mass-Flowering Plants. Neotrop Entomol 2019; 48:717-728. [PMID: 31062186 DOI: 10.1007/s13744-019-00688-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 04/12/2019] [Indexed: 06/09/2023]
Abstract
Pollinators foraging for food resources can be waylaid by mass-flowering plants located in their foraging pathway in landscapes. The waylaying effect of pollinators is often studied at a single spatial scale; to date, little is known about the best spatial extent at which waylaying effect of pollinators can be measured. In this study, we selected a landscape with mass-flowering tufted vetches to determine the spatial scale of waylaying effect of honey bees as well as the consequence of waylaying effect on vetch pollination service. The spatial scale of waylaying effect was determined by the strongest association between honey bee density and distance, selected from a gradient of nested circular buffers centering on apiaries in three different locations. Linear models were used to predict the influence of flower visitor densities on pollination service. For our landscape, honey bee densities were best associated with distances at spatial scales of 500 m, 1150 m, and 1400 m respectively for the three locations of apiaries. Honey bee was the only pollinator whose density displayed a positive relationship with pollination service. At the scales of effect, honey bee density and pollination service declined along the distance. Our findings suggest that the waylaying effect of pollinators needs to be examined at a specific spatial scale and farmers who use honey bees to pollinate their mass-flowering crops need to consider the spatial scale of waylaying effect of pollinators in order to maximize pollination service within agricultural ecosystems.
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Affiliation(s)
- Z X Lu
- Dept of Environmental Entomology, Research Institute of Insect Resources, Chinese Academy of Forestry, Kunming, Yunnan, China
| | - Z H Xie
- Dept of Environmental Entomology, Research Institute of Insect Resources, Chinese Academy of Forestry, Kunming, Yunnan, China.
| | - J W Zhao
- Dept of Environmental Entomology, Research Institute of Insect Resources, Chinese Academy of Forestry, Kunming, Yunnan, China
| | - Y Q Chen
- Dept of Environmental Entomology, Research Institute of Insect Resources, Chinese Academy of Forestry, Kunming, Yunnan, China.
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Liao C, Jiang WH, Peng ZY, Fu YW, Jiang SJ, Xie ZH. [Clinical analysis of Langerhans cell histiocytosis originating in the base of nasal skull]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2019; 33:883-886. [PMID: 31446710 DOI: 10.13201/j.issn.1001-1781.2019.09.020] [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] [Received: 03/19/2019] [Indexed: 11/12/2022]
Abstract
Objective:To summarize the clinical features, diagnosis and treatment of Langerhans histiocytosis(LCH) which first appeared in the nasal skull base. Method:Ten cases of LCH with nasal and skull base symptoms were analyzed retrospectively. The clinical characteristics of LCH with nasal and skull base symptoms were summarized. The correlation of other systems involved in LCH was analyzed. Result:Among the 10 patients, the youngest was 1 year and 5 months, and the oldest was 8 years, the average age was 3 years. The main imaging manifestations were osteolytic changes and soft tissue invasion. Seven patients were monofocal and three patients were multifocal. For localized lesions, radical resection and follow-up chemotherapy were performed, and conservative treatment was performed for patients with multiple system involvement and obvious systemic symptoms. Eight patients survived, 2 died. Conclusion:LCH occurs frequently in children and has certain clinical characteristics. Single system and single lesion surgery have a better therapeutic effect, and can achieve a greater survival rate with follow-up chemotherapy.
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Affiliation(s)
- C Liao
- Department of Otorhinolaryngology Head and Neck Surgery,Xiangya Hospital,Central South University,Key Laboratory of Otolaryngology Major Disease Research of Hunan Province,Changsha,410008,China
| | - W H Jiang
- Department of Otorhinolaryngology Head and Neck Surgery,Xiangya Hospital,Central South University,Key Laboratory of Otolaryngology Major Disease Research of Hunan Province,Changsha,410008,China
| | - Z Y Peng
- Department of Otorhinolaryngology Head and Neck Surgery,Xiangya Hospital,Central South University,Key Laboratory of Otolaryngology Major Disease Research of Hunan Province,Changsha,410008,China
| | - Y W Fu
- Department of Otorhinolaryngology Head and Neck Surgery,Xiangya Hospital,Central South University,Key Laboratory of Otolaryngology Major Disease Research of Hunan Province,Changsha,410008,China
| | - S J Jiang
- Department of Otorhinolaryngology Head and Neck Surgery,Xiangya Hospital,Central South University,Key Laboratory of Otolaryngology Major Disease Research of Hunan Province,Changsha,410008,China
| | - Z H Xie
- Department of Otorhinolaryngology Head and Neck Surgery,Xiangya Hospital,Central South University,Key Laboratory of Otolaryngology Major Disease Research of Hunan Province,Changsha,410008,China
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Zhu HS, Chen S, Wang MZ, Ou JM, Xie ZH, Huang WL, Lin JW, Ye WJ. [Analysis on association between incidence of hand foot and mouth disease and meteorological factors in Xiamen, 2013-2017]. Zhonghua Liu Xing Bing Xue Za Zhi 2019; 40:531-536. [PMID: 31177733 DOI: 10.3760/cma.j.issn.0254-6450.2019.05.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the influence of meteorological factors on the incidence of hand foot and mouth disease (HFMD) in Xiamen, Fujian province, and provide scientific evidence for the early warning, prediction, prevention and control of HFMD. Methods: Correlation analysis and distribution lag nonlinear models (DLNM) analysis of meteorological factors such as daily average pressure, daily average relative humidity, daily average temperature and sunshine hours and the incidence of HFMD in Xiamen during 2013 to 2017 were conducted by using R3.4.3 software. Results: A total of 36 464 cases of HFMD were reported in Xiamen during 2013-2017, and the incidence showed an upward trend (F=40.359, P=0.008). The daily average relative humidity, daily average temperature and sunshine hours were positively correlated with the incidence of HFMD (r>0), and the daily average site pressure was negatively correlated with the incidence of HFMD (r<0). In the case of a lag of 0-5 days, when the daily average pressure of the station was higher than 1 005 hPa, the risk of HFMD gradually increased with the increase of air pressure, and the risk of disease decreased with the increase of lag days. The risk was highest when air pressure was 1 017 hPa and at the lag of 0 day (RR=1.14, 95%CI: 0.67-1.94). When the relative humidity was higher than 95%, the risk of HFMD gradually increased with the increase of relative humidity, and the lag time ranged from 0 day to 10 days, which was most obvious on the 4(th) and 5(th) days. The risk was highest when relative humidity was 100% and at the lag of 5 days (RR=1.32, 95%CI: 1.02-1.71). When the air temperature was >28 ℃ and <8 ℃, the risk of HFMD existed, but the lag time was inconsistent. The relative risk was highest during 15-20 days at low air temperature, and the lag time at high air temperature was mainly during 5-15 days. The risk was highest when air temperature was 28 ℃ and at the lag of 4 days (RR=1.10, 95%CI: 0.94-1.29). The sunshine time was >12 h and lag of 0-3 days was a risk factor for the incidence of HFMD. The risk was highest when sunshine time was 13 h and the lag of 0 day (RR=1.20, 95%CI: 1.05-1.36). Conclusion: Meteorological factors such as daily average pressure, daily average relative humidity, daily average temperature and sunshine hours were associated with the incidence of HFMD with certain lag in Xiamen. So, it is suggested to use these data in the early warning system of HFMD.
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Affiliation(s)
- H S Zhu
- Emergency Management and Epidemic Management Office, Fujian Provincial Key Laboratory of Zoonosis Research, Fujian Provincial Center for Disease Control and Prevention, Fuzhou 350001, China
| | - S Chen
- Fujian Climate Center Climate Impact Assessment Office, Fuzhou 350001, China
| | - M Z Wang
- Emergency Department of Xiamen City Center for Disease Control and Prevention, Xiamen 361021, China
| | - J M Ou
- Emergency Management and Epidemic Management Office, Fujian Provincial Key Laboratory of Zoonosis Research, Fujian Provincial Center for Disease Control and Prevention, Fuzhou 350001, China
| | - Z H Xie
- Emergency Management and Epidemic Management Office, Fujian Provincial Key Laboratory of Zoonosis Research, Fujian Provincial Center for Disease Control and Prevention, Fuzhou 350001, China
| | - W L Huang
- Emergency Management and Epidemic Management Office, Fujian Provincial Key Laboratory of Zoonosis Research, Fujian Provincial Center for Disease Control and Prevention, Fuzhou 350001, China
| | - J W Lin
- Emergency Management and Epidemic Management Office, Fujian Provincial Key Laboratory of Zoonosis Research, Fujian Provincial Center for Disease Control and Prevention, Fuzhou 350001, China
| | - W J Ye
- Emergency Management and Epidemic Management Office, Fujian Provincial Key Laboratory of Zoonosis Research, Fujian Provincial Center for Disease Control and Prevention, Fuzhou 350001, China
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Xie ZH, Fang T, Xu JS, Fang F, Zheng LL, Li H, Chen CH, Wang XF, Deng J. [Effect of different parts of skull thickness on stereotactic electroencephalogram in children]. Zhonghua Yi Xue Za Zhi 2018; 98:2238-2241. [PMID: 30078277 DOI: 10.3760/cma.j.issn.0376-2491.2018.28.005] [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 investigate the thickness of cranial bone in different parts of children skull during stereotactic electroencephalogram (SEEG) and its effect on electrode fixation. Methods: From October 2016 to March 2017, 13 children with SEEG by robot of surgery assistant (ROSA) were selected. The basic case information and electrode design scheme were collected. The skull thickness of each electrode channel was measured on post-operation CT, and the loosening of the fixed screws were recorded. The thickness of skull in frontal bone, temporal bone, parietal bone and occipital bone was statistically processed by SPSS statistical software. Results: There were total 113 electrodes in 13 children with epilepsy. There were 45 electrodes at frontal bone, of which the thickness was (5.7±2.8)mm. There were 34 electrodes at temporal bone, of which the thickness was (3.5±1.3)mm.There were 16 electrodes at parietal bone, of which the thickness was (6.0±2.5)mm.There were 18 electrodes at occipital bone, of which the thickness was (6.9±0.5)mm. Statistics showed that there was significant difference between differnt bone (F=15.340, P<0.01). There were 4 electrodes loosening, 1 at frontal bone and 3 at temporal bone, when the screws were removed. There was no adverse event related to the implantation of electrodes. Conclusions: The children's skull thickness is thinner than adults. The screw loosening is exist in some cases, but it has no effect on SEEG recording. No SEEG related adverse events are found in this group. Therefore, ROSA guided SEEG is safe and reliable in children with epilepsy.
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Affiliation(s)
- Z H Xie
- Department of Functional Neurosurgery, National Center for Children's Health, Beijing Children's Hospital, Capital Medical University, Beijing 100045, China
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Chen X, Xie ZH, Lv YX, Tang QP, Zhang H, Zhang JY, Wu B, Jiang WH. A proteomics analysis reveals that A2M might be regulated by STAT3 in persistent allergic rhinitis. Clin Exp Allergy 2017; 46:813-24. [PMID: 27228572 DOI: 10.1111/cea.12711] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 12/11/2015] [Accepted: 01/05/2016] [Indexed: 12/23/2022]
Abstract
BACKGROUND Proteomics tools can be used to identify the differentially expressed proteins related to allergic rhinitis (AR). However, the large numbers of proteins related to AR have not yet been explored using an advanced quantitative proteomics approach, known as isobaric tags for relative and absolute quantitation (iTRAQ). OBJECTIVES To identify differentially expressed proteins in persistent AR patients and to explore the regulatory signalling pathways involving the identified proteins. METHODS Forty-five persistent AR patients and 20 healthy controls were recruited for this study. iTRAQ was used to identify the proteins that were differentially expressed between these two groups, and a bioinformatics analysis was then conducted to identify the signalling pathways associated with the identified proteins. Immunofluorescence labelling was performed to detect alpha-2-macroglobulin (A2M), STAT3, p-STAT3 and IL17 in the nasal mucosa. RESULTS A total of 133 differentially expressed proteins were identified. We then determined the top 10 regulatory pathways associated with these proteins and found that the blood coagulation pathway had the most significant association. A2M, a protein involved in the blood coagulation pathway, was found to be differentially expressed in the serum of AR patients. The bioinformatics analysis indicated that STAT3 is an upstream transcription factor that might regulate A2M expression. An immunofluorescence study further confirmed that STAT3 and A2M are co-localized in nasal mucosa cells. Additionally, A2M, STAT3, p-STAT3, and IL17 are elevated in AR patients. The expressional level of A2M is positively related to IL17 and the symptom of the congestion in AR subjects. CONCLUSIONS The blood coagulation pathway may be a key regulatory network pathway contributing to the allergic inflammatory response in AR patients. A2M, which is regulated by STAT3, may be an important protein in the pathogenesis of allergic rhinitis in AR patients.
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Affiliation(s)
- X Chen
- Department of Otolaryngology-Skull Base Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Z H Xie
- Department of Otolaryngology-Skull Base Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Y X Lv
- Department of Otolaryngology-Skull Base Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Q P Tang
- Department of Rehabilitation, Brain Hospital of Hunan Province, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - H Zhang
- Department of Otolaryngology-Skull Base Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - J Y Zhang
- Department of Otolaryngology-Skull Base Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - B Wu
- Department of Otolaryngology-Skull Base Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - W H Jiang
- Department of Otolaryngology-Skull Base Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Qin YY, Zhang DH, Lin XQ, Ouyang M, Zhang JX, Xie ZH, Liu YQ, Li SY, Zhou CZ. [Clinical analysis of 36 cases of advanced non-small cell lung cancer (NSCLC) with performance status (PS) scores between 2 and 4]. Zhonghua Zhong Liu Za Zhi 2017; 39:855-861. [PMID: 29151293 DOI: 10.3760/cma.j.issn.0253-3766.2017.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the treatment of advanced non-small cell lung cancer (NSCLC) with performance status (PS) scores between 2 and 4, in order to improve the diagnosis and treatment of these patients. Methods: A total of 36 patients with advanced NSCLC with hypoxemia were reviewed. The clinical data of disease characteristics, etiology, complications, manifestation, therapy, progression, and secondary biopsy were collected. The clinical efficacy was graded according to the Response Evaluation Criteria In Solid Tumors (RECIST): complete response (CR), partial response (PR), stable disease (SD) and disease progression (PD). Results: All patients had hypoxemia, of whom 86.1% (31 patients) had complications and 55.6% (20 patients) had noninvasive ventilator for respiratory support. 77.8% (28 cases) received broad-spectrum antibiotic treatment, and 78.6% of them got lung osmotic relief after the anti-infection treatment. 15 cases received bedside fiberoptic bronchoscopy suction, of whom two cases were treated with airway stent deposition due to airway obstruction, four cases with thoracic drainage, four cases with anticoagulation, and one with thrombolytic therapy. After these supportive treatment, the PS score of these patients decreased from 3.4±0.5 to 2.5±0.7, while SPO(2) improved from (89.0±5.2)% to (95.0±3.5)%. As first-ling anti-cancer treatment, nine patients were administrated with targeted medicine orally, 13 patients with a combined chemotherapy of pemetrexed plus bevacizumab or carboplatin, eight patients with paclitaxel plus carboplatin, four patients with gemcitabine plus carboplatin, and two patients with docetaxel plus gemcitabine. In the first response evaluation, there were one case of CR, 23 cases of PR, four cases of SD, and eight cases of PD, with a clinical benefit rate of 66.7% and a disease control rate of 77.8%. A total of 22 patients experienced disease progression, of whom eight cases had a secondary biopsy and six cases had gene sequencing. Of these 36 patients, 10 (27.8%) patients survived at the last follow-up, with a progression-free survival of (10.0±6.5) months. Conclusion: Besides prompt anti-cancer treatment and best supportive treatment should be incorporated to improve PS and improve outcome.
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Affiliation(s)
- Y Y Qin
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - D H Zhang
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - X Q Lin
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - M Ouyang
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - J X Zhang
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - Z H Xie
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - Y Q Liu
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - S Y Li
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
| | - C Z Zhou
- The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory, Guangzhou respiratory health research institute, Guangzhou 510120, China
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Wu XW, Zhang H, Jiang WH, Zhang JY, Xie ZH, Peng ZY, Sun H. [Clinical practice of transnasal endoscopic operation for retrobulbar lesions]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017; 52:648-653. [PMID: 28910887 DOI: 10.3760/cma.j.issn.1673-0860.2017.09.003] [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 summarize the skill and experience of transnasal endoscopic operation for retrobulbar lesions. Methods: Seven patients aged from 25 to 67 years old diagnosed as retrobulbar lesions who underwent transnasal endoscopic operation in Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital between January 2013 and October 2016 were retrospectively analyzed. Two males and five females were included in this study. Five patients underwent transnasal endoscopic operation via media rectus-inferior rectus space, with the other 2 cases via media rectus-superior rectus space. Results: Total lesion removal was achieved in 6 of 7 patients, while 1 patient underwent subtotal removal of the lesion. The visual acuity and visual field improved in 3 cases. The pathological examination showed hemangioma(5 cases), bone cyst(1 case) and fibroma(1 case). All patients were followed up for 9 months to 4 years without complications such as eye movement disorder or blindness, except for 1 case with preoperatively proptosis occurred postoperatively transient diplopia. There was no recurrence in 6 patients with total lesion removal, and the patient underwent subtotal removal of fibroma did not undertake operation again. Conclusion: Transnasal endoscopic operation for retrobulbar lesions is a minimally invasive, safe and effective operatiiv method, which could be taken via different surgical approaches according to the size and location of the lesion.
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Affiliation(s)
- X W Wu
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - H Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - W H Jiang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - J Y Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Z H Xie
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Z Y Peng
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - H Sun
- Department of Otorhinolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
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Sun ZQ, Li XH, Wang Z, Cai W, Chen L, Jin LF, Xie ZH, Yan G. Clinical Applications of Computed Tomography (CT) Perfusion Imaging in Gastric Cancer. j med imaging hlth inform 2015. [DOI: 10.1166/jmihi.2015.1672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Wang HH, Yin B, Peng XX, Wang JY, Xie ZH, Gao J, Tang XK. Biodegradation of nicotine by newly isolated Pseudomonas sp. CS3 and its metabolites. J Appl Microbiol 2012; 112:258-68. [PMID: 22129149 DOI: 10.1111/j.1365-2672.2011.05208.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIMS Isolation and characterization of nicotine-degrading bacteria with advantages suitable for the treatment of nicotine-contaminated water and soil and detection of their metabolites. METHODS AND RESULTS A novel nicotine-degrading bacterial strain was isolated from tobacco field soil. Based on morphological and physiochemical properties and sequence of 16S rDNA, the isolate was identified as Pseudomonas sp., designated as CS3. The optimal culture conditions of strain CS3 for nicotine degradation were 30°C and pH 7·0. However, the strain showed broad pH adaptability with high nicotine-degrading activity between pH 6·0 and 10·0. Strain CS3 could decompose nicotine nearly completely within 24 h in liquid culture (1000 mg L(-1) nicotine) or within 72 h in soil (1000-2500 mg kg(-1) nicotine) and could endure up to 4000 mg L(-1) nicotine in liquid media and 5000 mg kg(-1) nicotine in soil. Degradation tests in flask revealed that the strain had excellent stability and high degradation activity during the repetitive degradation processes. Additionally, three intermediates, 3-(3,4-dihydro-2H-pyrrol-5-yl) pyridine, 1-methyl-5-(3-pyridyl) pyrrolidine-2-ol and cotinine, were identified by GC/MS and NMR analyses. CONCLUSIONS The isolate CS3 showed outstanding nicotine-degrading characteristics such as high degradation efficiency, strong substrate endurance, broad pH adaptability, and stability and persistence in repetitive degradation processes and may serve as an excellent candidate for applications in the bioaugmentation process to treat nicotine-contaminated water and soil. Also, detection of nicotine metabolites suggests that strain CS3 might decompose nicotine via a unique nicotine-degradation pathway. SIGNIFICANCE AND IMPACT OF THE STUDY The advantage of applying the isolated strain lies in broad pH adaptability and stability and persistence in repetitive use, the properties previously less focused in other nicotine-degrading micro-organisms. The strain might decompose nicotine via a nicotine-degradation pathway different from those of other nicotine-utilizing Pseudomonas bacteria reported earlier, another highlight in this study.
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Affiliation(s)
- H H Wang
- School of Life Sciences, Hunan University of Science and Technology, Xiangtan, China.
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Jiang H, Liu CX, Feng JB, Wang P, Zhao CP, Xie ZH, Wang Y, Xu SL, Zheng CY, Bi JZ. Granulocyte colony-stimulating factor attenuates chronic neuroinflammation in the brain of amyloid precursor protein transgenic mice: an Alzheimer's disease mouse model. J Int Med Res 2010; 38:1305-12. [PMID: 20926003 DOI: 10.1177/147323001003800412] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Recent evidence suggests that inflammatory mechanisms contribute significantly to the progression of Alzheimer's disease. Granulocyte colony-stimulating factor (G-CSF) is an anti-inflammatory immunomodulator, but the mechanism of its anti-inflammatory effect is unclear. This study was designed to investigate whether G-CSF could inhibit inflammation in a mouse model of Alzheimer's disease through an α7 nicotinic acetylcholine receptor (α7 nAChR) pathway. Mice transgenic for the V171I mutant amyloid precursor protein (APP) were injected subcutaneously with G-CSF 50 μg/kg per day or phosphate-buffered saline (PBS; control group) for 7 days, and wild-type C57/BL6 mice were injected with PBS daily for 7 days. Mice were killed on days 7, 14 and 28 after treatment began. Levels of α7 nAChR protein were significantly increased and levels of interleukin-1β, tumour necrosis factor-α and nuclear factor-κB (NF-κB) protein were significantly decreased in the brain of APP transgenic mice in response to G-CSF. Levels of α7 nAChR protein correlated negatively with NF-κB levels. It is concluded that G-CSF might attenuate inflammation by down-regulating NF-κB and up-regulating α7 nAChR in the brain of APP transgenic mice, indicating a potential new therapeutic approach to Alzheimer's disease.
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Affiliation(s)
- H Jiang
- Department of Neurology, Second Hospital of Shandong University, Jinan, China
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Pang JL, Wu BL, He WX, Zhang YQ, Zhao HP, Xie ZH. Effect of antisense oligonucleotide against mouse dentine matrix protein 1 on mineralization ability and calcium ions metabolism in odontoblast-like cell line MDPC-23. Int Endod J 2006; 39:527-37. [PMID: 16776757 DOI: 10.1111/j.1365-2591.2006.01104.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIM To study the mineralization ability and the dynamic changes of intracellular and extracellular concentrations of calcium ions in the odontoblast-like cell line MDPC-23 affected by antisense oligonucleotide (AS-ODN) against mouse dentine matrix protein 1 (DMP1). METHODOLOGY The expression of DMP1 in MDPC-23 cells was detected by an immunohistochemical method and its blocking outcome by the Western blot method. The alkaline phosphatase (ALP) activity, size and number of mineralized nodules, and the intracellular free ([Ca2+]if), total ([Ca2+]it) and the extracellular ([Ca2+]e) calcium ion concentrations in MDPC-23 cells in the experimental group affected with AS-ODN were compared with those in the control group (paired-samples t-test). RESULTS Dentine matrix protein 1 was stably expressed in a stable way in MDPC-23 cells; the expression was only just detectable at 12 h and became negative after 24 h affected by AS-ODN. Compared with the control groups, ALP activity of MDPC-23 cells in the AS-ODN group was decreased (P < 0.05), and both the number and size of mineralized nodules were smaller than those in the control group. [Ca2+]if in the AS-ODN group increased and then decreased after 24 h. [Ca2+]it dropped substantially to the lowest point at 24 h (P < 0.01). [Ca2+]e increased before treatment for 24 h and then dropped, however, it was still higher than that of the control group. CONCLUSIONS Antisense oligonucleotide against DMP1 could decrease mineralization ability and affect the intracellular and extracellular concentrations of calcium ions in MDPC-23 cells. This would indicate that DMP1 regulates the metabolism and transportation of calcium ions in odontoblasts, and thus boosts dentine mineralization.
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Affiliation(s)
- J L Pang
- Department of Operative Dentistry and Endodontics, Qindu Stomatological Hospital, The Fourth Military Medical University, Xi'an City, China
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Zhong NS, Zheng BJ, Li YM, Poon LLM, Xie ZH, Chan KH, Li PH, Tan SY, Chang Q, Xie JP, Liu XQ, Xu J, Li DX, Yuen KY, Peiris JSM, Guan Y. Epidemiology and cause of severe acute respiratory syndrome (SARS) in Guangdong, People's Republic of China, in February, 2003. Lancet 2003; 362:1353-8. [PMID: 14585636 PMCID: PMC7112415 DOI: 10.1016/s0140-6736(03)14630-2] [Citation(s) in RCA: 942] [Impact Index Per Article: 44.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND An epidemic of severe acute respiratory syndrome (SARS) has been associated with an outbreak of atypical pneumonia originating in Guangdong Province, People's Republic of China. We aimed to identify the causative agent in the Guangdong outbreak and describe the emergence and spread of the disease within the province. METHODS We analysed epidemiological information and collected serum and nasopharyngeal aspirates from patients with SARS in Guangdong in mid-February, 2003. We did virus isolation, serological tests, and molecular assays to identify the causative agent. FINDINGS SARS had been circulating in other cities of Guangdong Province for about 2 months before causing a major outbreak in Guangzhou, the province's capital. A novel coronavirus, SARS coronavirus (CoV), was isolated from specimens from three patients with SARS. Viral antigens were also directly detected in nasopharyngeal aspirates from these patients. 48 of 55 (87%) patients had antibodies to SARS CoV in their convalescent sera. Genetic analysis showed that the SARS CoV isolates from Guangzhou shared the same origin with those in other countries, and had a phylogenetic pathway that matched the spread of SARS to the other parts of the world. INTERPRETATION SARS CoV is the infectious agent responsible for the epidemic outbreak of SARS in Guangdong. The virus isolated from patients in Guangdong is the prototype of the SARS CoV in other regions and countries.
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Affiliation(s)
- NS Zhong
- Guangzhou Institute of Respiratory Diseases, Guangzhou Medical College, Guangzhou, Guangdong Province, Peoples Republic of China
| | - BJ Zheng
- Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR
| | - YM Li
- Guangzhou Institute of Respiratory Diseases, Guangzhou Medical College, Guangzhou, Guangdong Province, Peoples Republic of China
| | - LLM Poon
- Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR
| | - ZH Xie
- Guangzhou Institute of Respiratory Diseases, Guangzhou Medical College, Guangzhou, Guangdong Province, Peoples Republic of China
| | - KH Chan
- Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR
| | - PH Li
- Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR
| | - SY Tan
- Guangzhou Chest Hospital, Guangzhou, Guangdong Province
| | - Q Chang
- Guangzhou Institute of Respiratory Diseases, Guangzhou Medical College, Guangzhou, Guangdong Province, Peoples Republic of China
| | - JP Xie
- Guangzhou Institute of Respiratory Diseases, Guangzhou Medical College, Guangzhou, Guangdong Province, Peoples Republic of China
- Guangzhou Children's Hospital, Guangzhou, Guangdong Province
| | - XQ Liu
- Guangzhou Institute of Respiratory Diseases, Guangzhou Medical College, Guangzhou, Guangdong Province, Peoples Republic of China
| | - J Xu
- Guangzhou Institute of Respiratory Diseases, Guangzhou Medical College, Guangzhou, Guangdong Province, Peoples Republic of China
| | - DX Li
- Guangzhou Chest Hospital, Guangzhou, Guangdong Province
| | - KY Yuen
- Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR
| | - JSM Peiris
- Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR
| | - Y Guan
- Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR
- Correspondence to: Dr Y Guan, Department of Microbiology, University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam Road, Hong Kong SAR, People's Republic of China
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Guo ZA, Zhao JC, Xie ZH. [Study on chemical constituents of the essential oil from Zanthoxylum Bungeanum Maxim by gas chromatography-mass spectrometry]. Se Pu 2001; 19:567-8. [PMID: 12545478] [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: 02/28/2023] Open
Abstract
The essential oil in Zanthoxylum Bungeanum Maxim was extracted by steam distillation and the distilled liquid was collected by passing through chloroform. The aqueous phase was extracted with chloroform sufficiently. The chloroform solution containing the constituents of essential oils was analyzed by gas chromatography-mass spectrometry(GC-MS). Seventeen peaks were separated by gas chromatography, and 16 of them were identified by MS with "Nist98.L" Mass Spectral Data Registry. The structures of the constituents were further verified by manual analysis. The identified constituents accounted for 97% of the peak areas of the essential oils on total ion chromatogram. The major chemical constituents of them are C9, C10 alcohols and alkenes.
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Affiliation(s)
- Z A Guo
- Department of Chemistry, Northwest University, Xi'an 710069, China
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Jacotot E, Ferri KF, El Hamel C, Brenner C, Druillennec S, Hoebeke J, Rustin P, Métivier D, Lenoir C, Geuskens M, Vieira HL, Loeffler M, Belzacq AS, Briand JP, Zamzami N, Edelman L, Xie ZH, Reed JC, Roques BP, Kroemer G. Control of mitochondrial membrane permeabilization by adenine nucleotide translocator interacting with HIV-1 viral protein rR and Bcl-2. J Exp Med 2001; 193:509-19. [PMID: 11181702 PMCID: PMC2195906 DOI: 10.1084/jem.193.4.509] [Citation(s) in RCA: 204] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Viral protein R (Vpr), an apoptogenic accessory protein encoded by HIV-1, induces mitochondrial membrane permeabilization (MMP) via a specific interaction with the permeability transition pore complex, which comprises the voltage-dependent anion channel (VDAC) in the outer membrane (OM) and the adenine nucleotide translocator (ANT) in the inner membrane. Here, we demonstrate that a synthetic Vpr-derived peptide (Vpr52-96) specifically binds to the intermembrane face of the ANT with an affinity in the nanomolar range. Taking advantage of this specific interaction, we determined the role of ANT in the control of MMP. In planar lipid bilayers, Vpr52-96 and purified ANT cooperatively form large conductance channels. This cooperative channel formation relies on a direct protein-protein interaction since it is abolished by the addition of a peptide corresponding to the Vpr binding site of ANT. When added to isolated mitochondria, Vpr52-96 uncouples the respiratory chain and induces a rapid inner MMP to protons and NADH. This inner MMP precedes outer MMP to cytochrome c. Vpr52-96-induced matrix swelling and inner MMP both are prevented by preincubation of purified mitochondria with recombinant Bcl-2 protein. In contrast to König's polyanion (PA10), a specific inhibitor of the VDAC, Bcl-2 fails to prevent Vpr52-96 from crossing the mitochondrial OM. Rather, Bcl-2 reduces the ANT-Vpr interaction, as determined by affinity purification and plasmon resonance studies. Concomitantly, Bcl-2 suppresses channel formation by the ANT-Vpr complex in synthetic membranes. In conclusion, both Vpr and Bcl-2 modulate MMP through a direct interaction with ANT.
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Affiliation(s)
- E Jacotot
- Centre National de la Recherche Scientifique, UMR 1599, Institut Gustave Roussy, F-94805 Villejuif, France
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Wang AM, Ma C, Xie ZH, Shen F. Use of carnosine as a natural anti-senescence drug for human beings. Biochemistry (Mosc) 2000; 65:869-71. [PMID: 10951108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Carnosine is an endogenous free-radical scavenger. The latest research has indicated that apart from the function of protecting cells from oxidation-induced stress damage, carnosine appears to be able to extend the lifespan of cultured cells, rejuvenate senescent cells, inhibit the toxic effects of amyloid peptide (A beta), malondialdehyde, and hypochlorite to cells, inhibit glycosylation of proteins and protein-DNA and protein-protein cross-linking, and maintain cellular homeostasis. Also, carnosine seems to delay the impairment of eyesight with aging, effectively preventing and treating senile cataract and other age-related diseases. Therefore, carnosine may be applied to human being as a drug against aging.
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Affiliation(s)
- A M Wang
- Department of Biochemistry, Harbin Medical University, Harbin 150086, PR China.
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Xie ZH, Zhang J, Siraganian RP. Positive regulation of c-Jun N-terminal kinase and TNF-alpha production but not histamine release by SHP-1 in RBL-2H3 mast cells. J Immunol 2000; 164:1521-8. [PMID: 10640770 DOI: 10.4049/jimmunol.164.3.1521] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The SH2-containing protein tyrosine phosphatase1 (SHP-1) is important for signaling from immune receptors. To investigate the role of SHP-1 in mast cells we overexpressed the wild-type and the phosphatase-inactive forms of SHP-1 in rat basophilic leukemia 2H3 (RBL-2H3) mast cell line. The phosphatase-inactive SHP-1 (C453S or D419A) retains its ability to bind tyrosine phosphorylated substrates and thereby competes with the endogenous wild-type enzyme. Overexpression of wild-type SHP-1 decreased the FcepsilonRI aggregation-induced tyrosine phosphorylation of the beta and gamma subunits of the receptor whereas the dominant negative SHP-1 enhanced phosphorylation. There were also similar changes in the tyrosine phosphorylation of Syk. However, receptor-induced histamine release in the cells expressing either wild-type or dominant negative SHP-1 was similar to that in the parental control cells. In contrast, compared with the parental RBL-2H3 cells, FcepsilonRI-induced c-Jun N-terminal kinase phosphorylation and the level of TNF-alpha mRNA was increased in the cells overexpressing wild-type SHP-1 whereas the dominant negative SHP-1 had the opposite effect. The substrate-trapping mutant SHP1/D419A identified pp25 and pp30 as two major potential substrates of SHP-1 in RBL-2H3 cells. Therefore, SHP-1 may play a role in allergy and inflammation by regulating mast cell cytokine production.
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Affiliation(s)
- Z H Xie
- Receptors and Signal Transduction Section, OIIB, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA.
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Marzo I, Brenner C, Zamzami N, Susin SA, Beutner G, Brdiczka D, Rémy R, Xie ZH, Reed JC, Kroemer G. The permeability transition pore complex: a target for apoptosis regulation by caspases and bcl-2-related proteins. J Exp Med 1998; 187:1261-71. [PMID: 9547337 PMCID: PMC2212234 DOI: 10.1084/jem.187.8.1261] [Citation(s) in RCA: 528] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Early in programmed cell death (apoptosis), mitochondrial membrane permeability increases. This is at least in part due to opening of the permeability transition (PT) pore, a multiprotein complex built up at the contact site between the inner and the outer mitochondrial membranes. The PT pore has been previously implicated in clinically relevant massive cell death induced by toxins, anoxia, reactive oxygen species, and calcium overload. Here we show that PT pore complexes reconstituted in liposomes exhibit a functional behavior comparable with that of the natural PT pore present in intact mitochondria. The PT pore complex is regulated by thiol-reactive agents, calcium, cyclophilin D ligands (cyclosporin A and a nonimmunosuppressive cyclosporin A derivative), ligands of the adenine nucleotide translocator, apoptosis-related endoproteases (caspases), and Bcl-2-like proteins. Although calcium, prooxidants, and several recombinant caspases (caspases 1, 2, 3, 4, and 6) enhance the permeability of PT pore-containing liposomes, recombinant Bcl-2 or Bcl-XL augment the resistance of the reconstituted PT pore complex to pore opening. Mutated Bcl-2 proteins that have lost their cytoprotective potential also lose their PT modulatory capacity. In conclusion, the PT pore complex may constitute a crossroad of apoptosis regulation by caspases and members of the Bcl-2 family.
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Affiliation(s)
- I Marzo
- Centre National de la Recherche Scientifique, Unité Propre de Recherche 420, F-94801 Villejuif, France
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Abstract
The effect of prostaglandins on neutrophil activation has been studied using the human promyelocytic leukemic cell line HL-60, differentiated with dimethyl sulfoxide (DMSO). Prostaglandin E(2) (PGE(2)) directly stimulated HL-60 cell aggregation with an EC(50) value of 30 nM. Studies with prostanoid receptor-selective agonists suggest that the activation of HL-60 cells by PGE(2) was mediated via the EP(2) receptor. Human neutrophils did not aggregate in response to PGE(2), but PGE(2) inhibited the N-formyl-methionyl-leucyl-phenylalanine (FMLP)-stimulated increase in intracellular calcium ([Ca(2+)i]) in both neutrophils and HL-60 cells. In contrast with the aggregation response to FMLP the aggregation response of HL-60 cells to PGE(2) was independent of extracellular calcium and did not involve mobilization of intracellular calcium.
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Affiliation(s)
- H Wise
- Department of Pharmacology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT Hong Kong
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Xu HM, Xie ZH, Zhang WY. [Immunomodulatory function of polysaccharide of Hericium erinaceus]. Zhongguo Zhong Xi Yi Jie He Za Zhi 1994; 14:427-8. [PMID: 7950232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Hericium erinaceus is a Chinese herbal medicine. The Apollo oral liquid contains polysaccharide of H. erinaceus (PHE). The effects of PHE on proliferation of mice T and B lymphocytes were studied. Results showed that (1) 3-fold proliferation of thymocytes was demonstrated when PHE were administrated with Con A than Con A alone. Such effect on thymocyte was not observed when PHE was used alone. (2) Proliferation of spleen lymphocytes was also stimulated when PHE were taken together with lipopolysaccharide, which was 50% and 3 times stronger than that of using lipopolysaccharide and PHE alone respectively.
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Affiliation(s)
- H M Xu
- Zhejiang College of TCM, Hangzhou
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Liu SG, Xie ZH. [Protection of Vibrio cholerae from heating and chlorination by chitin]. Zhonghua Yu Fang Yi Xue Za Zhi 1994; 28:16-9. [PMID: 8082453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
El Tor Vibrio cholerae and non-01 V. cholerae absorbed onto chitin particles could not only multiply in vitro, but also could partly survive with heating at 65-75 degrees C for 60-160 sec (7/40) or with 3.8-15 ppm of effective chlorine for 10 min (24/29). None of those unabsorbed onto chitin could survive at the above temperature, and only very few of those could survive with the above concentration of effective chlorine. These findings are conducive to the control of cholera transmission caused by the crustacean contaminated with chitin.
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Affiliation(s)
- S G Liu
- Guangzhou Municipal Health and Anti-epidemic Station
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