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Zeng Q, Liu T, Guo XX, Han C, Liu J, Tao H. [Application and comparison of three occupational health risk assessment methods in an automobile manufacturing industry]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2024; 42:271-276. [PMID: 38677990 DOI: 10.3760/cma.j.cn121094-20230216-00043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/29/2024]
Abstract
Objective: Three occupational health risk assessment methods were used to assess the occupational health risk of noise exposed posts in an automobile manufacturing enterprise. According to the results, the selection of risk assessment methods and risk management of such occupational noise enterprises were provided. Methods: Form April to November 2021, The occupational health field survey was carried out in an automobile manufacturing industry in Tianjin. The occupational health MES risk assessment method, occupational health risk index risk assessment method and Australian occupational hazard risk assessment method were used to evaluate the occupational health risk of noise-exposed posts in this enterprise, and the evaluation results of different methods were analyzed and compared. Results: The average value of L(Aeq, 8 h) in the four workshops of automobile manufacturing industry was 82.95 dB (A) , and the noise detection exceeding rate was 22.41% (26/116) . The LAeq, 8h and exceeding rate noise of welding workshop were higher than those of other workshops (χ(2)=23.56, 32.94, P<0.01) . The three occupational health risk assessment methods have the same risk assessment results for the four major workshops. The assembly and painting workshops are level 4 risk (possible risk) , and the stamping and welding workshops are level 3 risk (significant risk) . Conclusion: Occupational noise has certain potential hazards to workers in automobile manufacturing enterprises. Therefore, in the future work, corresponding organizational management measures should be taken to improve the working environment and reduce the actual exposure level of workers in order to protect the health of occupational workers.
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Affiliation(s)
- Q Zeng
- Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - T Liu
- Department of Prevention Medicine, Nankai University Hospital, Tianjin 300071, China
| | - X X Guo
- Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - C Han
- Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - J Liu
- Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - H Tao
- Department of Prevention Medicine, Nankai University Hospital, Tianjin 300071, China
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Dong BR, Zhou XB, Tao H. [The application of 3D bioprinting in ophthalmology]. Zhonghua Yan Ke Za Zhi 2023; 59:1065-1068. [PMID: 38061909 DOI: 10.3760/cma.j.cn112142-20230716-00003] [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: 12/18/2023]
Abstract
On the basis of 3D printing technology, 3D bioprinting has emerged with great development potential and good prospects in the field of medicine and tissue engineering. With this technique, different types of cells and biomaterials can be precisely incorporated into 3D anatomical structures, achieving tissue substitutes with superior structures or functions. In recent years, great progress has been made in the application of 3D bioprinting in ophthalmology. This article reviews not only the differences between 3D printing and 3D bioprinting, but also the development, types, characteristics, application, and prospects of 3D bioprinting in the production of eye tissue engineering materials.
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Affiliation(s)
- B R Dong
- Ophthalmology Division of Chinese PLA General Hospital, Beijing 100853, China
| | - X B Zhou
- Ophthalmology Division of Chinese PLA General Hospital, Beijing 100853, China
| | - H Tao
- Ophthalmology Division of Chinese PLA General Hospital, Beijing 100853, China
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3
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Li XY, Liu SH, Liu C, Zu HM, Guo XQ, Xiang HL, Huang Y, Yan ZL, Li YJ, Sun J, Song RX, Yan JQ, Ye Q, Liu F, Huang L, Meng FP, Zhang XN, Yang SS, Hu SJ, Ruan JG, Li YL, Wang NN, Cui HP, Wang YM, Lei C, Wang QH, Tian HL, Qu ZS, Yuan M, Shi RC, Yang XT, Jin D, Su D, Liu YJ, Chen Y, Xia YX, Li YZ, Yang QH, Li H, Zhao XL, Tian ZM, Yu HJ, Zhang XJ, Wu CX, Wu ZJ, Li SS, Shen Q, Liu XM, Hu JP, Wu MQ, Dang T, Wang J, Meng XM, Wang HY, Jiang ZY, Liu YY, Liu Y, Qu SX, Tao H, Yan DM, Liu J, Fu W, Yu J, Wang FS, Qi XL, Fu JL. [Impact of different diagnostic criteria for assessing mild micro-hepatic encephalopathy in liver cirrhosis: an analysis based on a prospective, multicenter, real-world study]. Zhonghua Gan Zang Bing Za Zhi 2023; 31:961-968. [PMID: 37872092 DOI: 10.3760/cma.j.cn501113-20220602-00298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Objective: To compare the differences in the prevalence of mild micro-hepatic encephalopathy (MHE) among patients with cirrhosis by using the psychometric hepatic encephalopathy score (PHES) and the Stroop smartphone application (Encephal App) test. Methods: This prospective, multi-center, real-world study was initiated by the National Clinical Medical Research Center for Infectious Diseases and the Portal Hypertension Alliance and registered with International ClinicalTrials.gov (NCT05140837). 354 cases of cirrhosis were enrolled in 19 hospitals across the country. PHES (including digital connection tests A and B, digital symbol tests, trajectory drawing tests, and serial management tests) and the Stroop test were conducted in all of them. PHES was differentiated using standard diagnostic criteria established by the two studies in China and South Korea. The Stroop test was evaluated based on the criteria of the research and development team. The impact of different diagnostic standards or methods on the incidence of MHE in patients with cirrhosis was analyzed. Data between groups were differentiated using the t-test, Mann-Whitney U test, and χ (2) test. A kappa test was used to compare the consistency between groups. Results: After PHES, the prevalence of MHE among 354 cases of cirrhosis was 78.53% and 15.25%, respectively, based on Chinese research standards and Korean research normal value standards. However, the prevalence of MHE was 56.78% based on the Stroop test, and the differences in pairwise comparisons among the three groups were statistically significant (kappa = -0.064, P < 0.001). Stratified analysis revealed that the MHE prevalence in three groups of patients with Child-Pugh classes A, B, and C was 74.14%, 83.33%, and 88.24%, respectively, according to the normal value standards of Chinese researchers, while the MHE prevalence rates in three groups of patients with Child-Pugh classes A, B, and C were 8.29%, 23.53%, and 38.24%, respectively, according to the normal value standards of Korean researchers. Furthermore, the prevalence rates of MHE in the three groups of patients with Child-Pugh grades A, B, and C were 52.68%, 58.82%, and 73.53%, respectively, according to the Stroop test standard. However, among the results of each diagnostic standard, the prevalence of MHE showed an increasing trend with an increasing Child-Pugh grade. Further comparison demonstrated that the scores obtained by the number connection test A and the number symbol test were consistent according to the normal value standards of the two studies in China and South Korea (Z = -0.982, -1.702; P = 0.326, 0.089), while the other three sub-tests had significant differences (P < 0.001). Conclusion: The prevalence rate of MHE in the cirrhotic population is high, but the prevalence of MHE obtained by using different diagnostic criteria or methods varies greatly. Therefore, in line with the current changes in demographics and disease spectrum, it is necessary to enroll a larger sample size of a healthy population as a control. Moreover, the establishment of more reliable diagnostic scoring criteria will serve as a basis for obtaining accurate MHE incidence and formulating diagnosis and treatment strategies in cirrhotic populations.
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Affiliation(s)
- X Y Li
- Senior Department of Infectious Diseases, the Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing 100039, China Medical School of Chinese PLA, Beijing 100853, China
| | - S H Liu
- The First School of Clinical Medicine of Lanzhou University, Lanzhou 730000, China
| | - C Liu
- Department of Radiology, Affiliated Zhongda Hospital, Southeast University, Nanjing 210000, China
| | - H M Zu
- Department of Gastroenterology, Qinghai Provincial Fourth People's Hospital, Xining 810000, China
| | - X Q Guo
- Department of Hepatology, the Third People's Hospital of Taiyuan, Taiyuan 030000, China
| | - H L Xiang
- Department of Gastroenterology and Hepatology, Tianjin Third Central Hospital, Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Institute of Hepatobiliary Disease, Tianjin 300000, China
| | - Y Huang
- Department of Infectious Diseases, Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha 410000, China
| | - Z L Yan
- Department of Gastroenterology, Qinghai Provincial Fourth People's Hospital, Xining 810000, China
| | - Y J Li
- Department of Gastroenterology, Qinghai Provincial Fourth People's Hospital, Xining 810000, China
| | - J Sun
- Department of Hepatology, the Third People's Hospital of Taiyuan, Taiyuan 030000, China
| | - R X Song
- Department of Gastroenterology and Hepatology, Tianjin Third Central Hospital, Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Institute of Hepatobiliary Disease, Tianjin 300000, China
| | - J Q Yan
- Department of Gastroenterology and Hepatology, Tianjin Third Central Hospital, Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Institute of Hepatobiliary Disease, Tianjin 300000, China
| | - Q Ye
- Department of Gastroenterology and Hepatology, Tianjin Third Central Hospital, Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Institute of Hepatobiliary Disease, Tianjin 300000, China
| | - F Liu
- Department of Infectious Diseases, Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha 410000, China
| | - L Huang
- Senior Department of Infectious Diseases, the Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing 100039, China Medical School of Chinese PLA, Beijing 100853, China
| | - F P Meng
- Senior Department of Infectious Diseases, the Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing 100039, China Medical School of Chinese PLA, Beijing 100853, China
| | - X N Zhang
- Medical School of Chinese PLA, Beijing 100853, China
| | - S S Yang
- Department of Gastroenterology, General Hospital of Ningxia Medical University, Yinchuan 750000, China
| | - S J Hu
- Department of Gastroenterology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750000, China
| | - J G Ruan
- Branch Hospital for Diseases of the Heart, Brain, and Blood Vessels of General Hospital of Ningxia Medical University, Yinchuan 750000, China
| | - Y L Li
- Department of Gastroenterology, the First Affiliated Hospital of China Medical University, Shenyang 110000, China
| | - N N Wang
- Department of Gastroenterology, the First Affiliated Hospital of China Medical University, Shenyang 110000, China
| | - H P Cui
- Department of Gastroenterology, the First Affiliated Hospital of China Medical University, Shenyang 110000, China
| | - Y M Wang
- Department of Gastroenterology, the First Affiliated Hospital of China Medical University, Shenyang 110000, China
| | - C Lei
- Department of Hepatology, the First People's Hospital of Changde City, Changde 415000, China
| | - Q H Wang
- Department of Hepatology, the First People's Hospital of Changde City, Changde 415000, China
| | - H L Tian
- Department of Hepatology, the First People's Hospital of Changde City, Changde 415000, China
| | - Z S Qu
- Department of Infectious Diseases, Xiangxi People's Hospital, Jishou 416000, China
| | - M Yuan
- Department of Infectious Diseases, Xiangxi People's Hospital, Jishou 416000, China
| | - R C Shi
- Department of Gastroenterology, Wuzhong People's Hospital, Wuzhong 751100, China
| | - X T Yang
- Department of Gastroenterology, Wuzhong People's Hospital, Wuzhong 751100, China
| | - D Jin
- Department of Gastroenterology, Wuzhong People's Hospital, Wuzhong 751100, China
| | - D Su
- Department of Gastroenterology, Wuzhong People's Hospital, Wuzhong 751100, China
| | - Y J Liu
- Department of Hepatology, Hunan Provinces Directly Affiliated Traditional Chinese Medicine Hospital, Zhuzhou 412000, China
| | - Y Chen
- Department of Hepatology, Hunan Provinces Directly Affiliated Traditional Chinese Medicine Hospital, Zhuzhou 412000, China
| | - Y X Xia
- Department of Hepatology, Hunan Provinces Directly Affiliated Traditional Chinese Medicine Hospital, Zhuzhou 412000, China
| | - Y Z Li
- Department of Infectious Diseases, the First People's Hospital, Huaihua City, Huaihua 418000, China
| | - Q H Yang
- Department of Infectious Diseases, the First People's Hospital, Huaihua City, Huaihua 418000, China
| | - H Li
- Department of Infectious Diseases, the First People's Hospital, Huaihua City, Huaihua 418000, China
| | - X L Zhao
- Department of Hepatology, Chongqing Public Health Medical Center, Chongqing 400000, China
| | - Z M Tian
- Department of Hepatology, Chongqing Public Health Medical Center, Chongqing 400000, China
| | - H J Yu
- Department of Hepatology, Chongqing Public Health Medical Center, Chongqing 400000, China
| | - X J Zhang
- Department of Hepatology, Chongqing Public Health Medical Center, Chongqing 400000, China
| | - C X Wu
- Liver Disease Diagnosis and Treatment Center, the Fourth People's Hospital of Yiyang City, Yiyang 413000, China
| | - Z J Wu
- Liver Disease Diagnosis and Treatment Center, the Fourth People's Hospital of Yiyang City, Yiyang 413000, China
| | - S S Li
- Liver Disease Diagnosis and Treatment Center, the Fourth People's Hospital of Yiyang City, Yiyang 413000, China
| | - Q Shen
- Department of Gastroenterology, Yinchuan Second People's Hospital, Yinchuan 750000, China
| | - X M Liu
- Department of Gastroenterology, Yinchuan Second People's Hospital, Yinchuan 750000, China
| | - J P Hu
- Department of Gastroenterology, Yinchuan First People's Hospital, Yinchuan 750000, China
| | - M Q Wu
- Department of Gastroenterology, Yinchuan First People's Hospital, Yinchuan 750000, China
| | - T Dang
- Department of Gastroenterology, the Second Affiliated Hospital of Baotou Medical College, Baotou 014000, China
| | - J Wang
- Department of Gastroenterology, the Second Affiliated Hospital of Baotou Medical College, Baotou 014000, China
| | - X M Meng
- Department of Gastroenterology, the Second Affiliated Hospital of Baotou Medical College, Baotou 014000, China
| | - H Y Wang
- Department of Gastroenterology, the Second Affiliated Hospital of Baotou Medical College, Baotou 014000, China
| | - Z Y Jiang
- Department of Gastroenterology, the Second Affiliated Hospital of Baotou Medical College, Baotou 014000, China
| | - Y Y Liu
- Department of Gastroenterology, Dandong Central Hospital, Dandong 118000, China
| | - Y Liu
- Department of Gastroenterology, Dandong Central Hospital, Dandong 118000, China
| | - S X Qu
- Department of Gastroenterology, Dandong Central Hospital, Dandong 118000, China
| | - H Tao
- Department of Gastroenterology, Dandong Central Hospital, Dandong 118000, China
| | - D M Yan
- Department of Hepatology, Shenyang 739 Hospital, Shenyang 110000, China
| | - J Liu
- Department of Hepatology, Shenyang 739 Hospital, Shenyang 110000, China
| | - W Fu
- Department of Hepatology, Shenyang 739 Hospital, Shenyang 110000, China
| | - J Yu
- Department of Hepatology, Shenyang 739 Hospital, Shenyang 110000, China
| | - F S Wang
- Senior Department of Infectious Diseases, the Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing 100039, China Medical School of Chinese PLA, Beijing 100853, China
| | - X L Qi
- The First School of Clinical Medicine of Lanzhou University, Lanzhou 730000, China Department of Radiology, Affiliated Zhongda Hospital, Southeast University, Nanjing 210000, China
| | - J L Fu
- Medical School of Chinese PLA, Beijing 100853, China Department of Infectious Diseases, the Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China
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Li C, Wu Y, Wang W, Xu L, Zhou Y, Yue Y, Wu T, Yang M, Qiu Y, Huang M, Zhou F, Zhou Y, Hao P, Lin Z, Wang MW, Zhao S, Yang D, Xu F, Tao H. Structure-Based Ligand Discovery Targeting the Transmembrane Domain of Frizzled Receptor FZD7. J Med Chem 2023; 66:11855-11868. [PMID: 37669317 DOI: 10.1021/acs.jmedchem.2c01795] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Despite the essential roles of Frizzled receptors (FZDs) in mediating Wnt signaling in embryonic development and tissue homeostasis, ligands targeting FZDs are rare. A few antibodies and peptide modulators have been developed that mainly bind to the family-conserved extracellular cysteine-rich domain of FZDs, while the canonical binding sites in the transmembrane domain (TMD) are far from sufficiently addressed. Based on the recent structures of FZDs, we explored small-molecule ligand discovery by targeting TMD. From the ChemDiv library with ∼1.6 million compounds, we identified compound F7H as an antagonist of FZD7 with an IC50 at 1.25 ± 0.38 μM. Focusing on this hit, the structural dissection study, together with computing studies such as molecular docking, molecular dynamics simulation, and free energy perturbation calculations, defined the binding pocket with key residue recognition. Our results revealed the structural basis of ligand recognition and demonstrated the feasibility of structure-guided ligand discovery for FZD7-TMD.
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Affiliation(s)
- Cuixia Li
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yiran Wu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Wenli Wang
- Shenzhen Jingtai Technology Co., Ltd. (XtalPi), Floor 3, Sf Industrial Plant, No. 2 Hongliu Road, Fubao Community, Fubao Street, Futian District, Shenzhen 518045, China
| | - Lu Xu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Yan Zhou
- The National Center for Drug Screening, The CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203 Shanghai, China
| | - Yang Yue
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Tingting Wu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Meifang Yang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yanli Qiu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Minhao Huang
- Shenzhen Jingtai Technology Co., Ltd. (XtalPi), Floor 3, Sf Industrial Plant, No. 2 Hongliu Road, Fubao Community, Fubao Street, Futian District, Shenzhen 518045, China
| | - Fangfang Zhou
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Yiqing Zhou
- School of Biotechnology and Food Engineering, Changshu Institute of Technology, Suzhou 215500, China
| | - Piliang Hao
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Zhixiong Lin
- Shenzhen Jingtai Technology Co., Ltd. (XtalPi), Floor 3, Sf Industrial Plant, No. 2 Hongliu Road, Fubao Community, Fubao Street, Futian District, Shenzhen 518045, China
| | - Ming-Wei Wang
- The National Center for Drug Screening, The CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203 Shanghai, China
- Department of Pharmacology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Dehua Yang
- The National Center for Drug Screening, The CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203 Shanghai, China
| | - Fei Xu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Houchao Tao
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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Qiu Y, Zhao Y, Hu T, Yang M, Li F, Li C, Gu W, Yang X, Zhao S, Tao H. Development of Yin-Yang ligand for cannabinoid receptors. Bioorg Chem 2023; 133:106377. [PMID: 36731294 DOI: 10.1016/j.bioorg.2023.106377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/13/2023] [Accepted: 01/14/2023] [Indexed: 01/22/2023]
Abstract
Cannabinoid receptors (CBs), including CB1 and CB2, are the key components of a lipid signaling endocannabinoid system (ECS). Development of synthetic cannabinoids has been attractive to modulate ECS functions. CB1 and CB2 are structurally closely related subtypes but with distinct functions. While most efforts focus on the development of selective ligands for single subtype to circumvent the undesired off-target effect, Yin-Yang ligands with opposite pharmacological activities simultaneously on two subtypes, offer unique therapeutic potential. Herein we report the development of a new Yin-Yang ligand which functions as an antagonist for CB1 and concurrently an agonist for CB2. We found that in the pyrazole-cored scaffold, the arm of N1-phenyl group could be a switch, modification of which yielded various ligands with distinct activities. As such, the ortho-morpholine substitution exerted the desired Yin-Yang bifunctionality which, based on the docking study and molecular dynamic simulation, was proposed to be resulted from the hydrogen bonding with S173 and S285 in CB1 and CB2, respectively. Our results demonstrated the feasibility of structure guided ligand evolution for challenging Yin-Yang ligand.
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Affiliation(s)
- Yanli Qiu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yitian Zhao
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Tao Hu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Meifang Yang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fei Li
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Cuixia Li
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Weiliang Gu
- Department of Pharmacology, School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiaodi Yang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Houchao Tao
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Yang L, Sun X, Tao H, Zhao Y. The association between thyroid homeostasis parameters and obesity in subjects with euthyroidism. J Physiol Pharmacol 2023; 74. [PMID: 37245234 DOI: 10.26402/jpp.2023.10.07] [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] [Received: 04/21/2022] [Accepted: 02/28/2023] [Indexed: 05/30/2023]
Abstract
The relationship between thyroid homeostasis parameters and obesity remains poorly understood in subjects with euthyroidism. This retrospective study aimed to investigate the association between the thyroid homeostasis and obesity in a population with euthyroidism. A total of 201 adult participants with euthyroidism (age range: 27-85 years) were enrolled. Clinical measurements, including obesity indices and biochemical analyses, were conducted. Thyroid homeostasis parameters were calculated. Multiple linear regression analysis was used to analyze the associations between thyroid function, thyroid homeostasis parameters, and obesity measurements. There was a positive correlation between thyroid-stimulating hormone (TSH), free triiodothyronine (fT3), Jostel's thyrotropin index (TSHI), standard TSH index (sTSHI), thyrotroph thyroid hormone sensitivity index (TTSI), sum activity of peripheral deiodinase (SPINA-GD), and body mass index (BMI) in participants with euthyroidism and a negative correlation between thyroid's secretory capacity (SPINA-GT) and BMI (all P<0.05). Only the fT3, TSHI, and sTSHI had a positive correlation with waist circumference (all P<0.05). We concluded that BMI was positively associated with pituitary thyrotropic function parameters and SPINA-GD, and negatively correlated with SPINA-GT in adults with euthyroidism.
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Affiliation(s)
- L Yang
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - X Sun
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - H Tao
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Y Zhao
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
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7
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Yang L, Sun X, Tao H, Zhao Y. The association between thyroid homeostasis parameters and obesity in subjects with euthyroidism. J Physiol Pharmacol 2023; 74. [PMID: 37245234 DOI: 10.26402/jpp.2023.1.07] [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] [Received: 04/21/2022] [Accepted: 02/28/2023] [Indexed: 07/13/2023]
Abstract
The relationship between thyroid homeostasis parameters and obesity remains poorly understood in subjects with euthyroidism. This retrospective study aimed to investigate the association between the thyroid homeostasis and obesity in a population with euthyroidism. A total of 201 adult participants with euthyroidism (age range: 27-85 years) were enrolled. Clinical measurements, including obesity indices and biochemical analyses, were conducted. Thyroid homeostasis parameters were calculated. Multiple linear regression analysis was used to analyze the associations between thyroid function, thyroid homeostasis parameters, and obesity measurements. There was a positive correlation between thyroid-stimulating hormone (TSH), free triiodothyronine (fT3), Jostel's thyrotropin index (TSHI), standard TSH index (sTSHI), thyrotroph thyroid hormone sensitivity index (TTSI), sum activity of peripheral deiodinase (SPINA-GD), and body mass index (BMI) in participants with euthyroidism and a negative correlation between thyroid's secretory capacity (SPINA-GT) and BMI (all P<0.05). Only the fT3, TSHI, and sTSHI had a positive correlation with waist circumference (all P<0.05). We concluded that BMI was positively associated with pituitary thyrotropic function parameters and SPINA-GD, and negatively correlated with SPINA-GT in adults with euthyroidism.
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Affiliation(s)
- L Yang
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - X Sun
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - H Tao
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Y Zhao
- Department of Endocrinology and Metabolism, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
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8
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Luo W, Yang M, Zhao Y, Wang H, Yang X, Zhang W, Zhao F, Zhao S, Tao H. Transition-Linker Containing Detergents for Membrane Protein Studies. Chemistry 2022; 28:e202202242. [PMID: 36053145 DOI: 10.1002/chem.202202242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Indexed: 12/14/2022]
Abstract
It is a pressing need, but still challenging to explore the structure and function of membrane proteins (MPs). One of the main obstacles is the limited availability of matched detergents for the handling of specific MPs. We describe herein the design of new detergents by incorporation of a transition linker between the hydrophilic head and the hydrophobic tail. This design allows a gradual change of hydrophobicity between the outside and inside of micelles, in contrast to the abrupt switch in conventional detergents. Notably, many of these detergents assembled into micelles in while retaining low critical micelle concentrations. Meanwhile, thermal stabilizing evaluation identified superior detergents for representative MPs, including G protein-coupled receptors and a transporter protein. Among them, further improved the NMR study of MPs. We anticipate these that results will encourage future detergent expansion through new remodeling on the traditional detergent scaffold.
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Affiliation(s)
- Weiling Luo
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, P. R. China.,iHuman Institute, ShanghaiTech University, 201210, Shanghai, P. R. China.,School of Life Science and Technology, ShanghaiTech University, 201210, Shanghai, P. R. China
| | - Meifang Yang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, P. R. China
| | - Yitian Zhao
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, P. R. China
| | - Huixia Wang
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, P. R. China
| | - Xiaodi Yang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, P. R. China
| | - Wei Zhang
- College of Chemistry and Materials Science, Hebei Normal University, 050024, Shijiazhuang, P. R. China
| | - Fei Zhao
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, P. R. China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, P. R. China.,School of Life Science and Technology, ShanghaiTech University, 201210, Shanghai, P. R. China
| | - Houchao Tao
- Shanghai Frontiers Science Center of TCM Chemical Biology, Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, P. R. China
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9
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Xu LP, Bai F, Tao H. [Current clinical application of lacrimal gland injection of botulinum toxin type A in inhibiting lacrimal secretion]. Zhonghua Yan Ke Za Zhi 2022; 58:722-726. [PMID: 36069098 DOI: 10.3760/cma.j.cn112142-20220130-00044] [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: 06/15/2023]
Abstract
Lacrimal gland injection of botulinum toxin type A inhibits the secretion of tears. As a new method to treat or alleviate the symptom of tears or epiphora, it has the characteristics of simple operation, definite curative effect, repeatable treatment and no irreversible complications. It provides an optional treatment scheme for many patients with refractory tears or epiphora. This article reviews the pharmacological characteristics of botulinum toxin type A, the mechanism of inhibiting tear secretion, the method and dose of lacrimal gland injection, indications and contraindications, clinical efficacy evaluation, complications, existing problems to be solved and prospects for reference.
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Affiliation(s)
- L P Xu
- Department of Ophthalmology, The Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, China
| | - F Bai
- Lacrimal Center, Department of Ophthalmology, Chinese PLA General Hospital, Beijing 100039, China
| | - H Tao
- Lacrimal Center, Department of Ophthalmology, Chinese PLA General Hospital, Beijing 100039, China
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10
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Zhao F, Zhu Z, Xie L, Luo F, Wang H, Qiu Y, Luo W, Zhou F, Xue D, Zhang Z, Hua T, Wu D, Liu Z, Le Z, Tao H. Two‐Dimensional Detergent Expansion Strategy for Membrane Protein Studies. Chemistry 2022; 28:e202201388. [DOI: 10.1002/chem.202201388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Fei Zhao
- iHuman Institute ShanghaiTech University Shanghai 201210 China
| | - Zhihao Zhu
- College of Chemistry Nanchang University Nanchang, Jiangxi Province 330031 China
| | - Linshan Xie
- iHuman Institute ShanghaiTech University Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Feng Luo
- iHuman Institute ShanghaiTech University Shanghai 201210 China
| | - Huixia Wang
- iHuman Institute ShanghaiTech University Shanghai 201210 China
| | - Yanli Qiu
- iHuman Institute ShanghaiTech University Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Weiling Luo
- iHuman Institute ShanghaiTech University Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Fang Zhou
- iHuman Institute ShanghaiTech University Shanghai 201210 China
| | - Dongxiang Xue
- iHuman Institute ShanghaiTech University Shanghai 201210 China
| | - Zhihui Zhang
- iHuman Institute ShanghaiTech University Shanghai 201210 China
| | - Tian Hua
- iHuman Institute ShanghaiTech University Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
| | - Dong Wu
- iHuman Institute ShanghaiTech University Shanghai 201210 China
| | - Zhi‐Jie Liu
- iHuman Institute ShanghaiTech University Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
| | - Zhiping Le
- College of Chemistry Nanchang University Nanchang, Jiangxi Province 330031 China
| | - Houchao Tao
- iHuman Institute ShanghaiTech University Shanghai 201210 China
- Shanghai Frontiers Science Center of TCM Chemical Biology Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine Shanghai 201203 China
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11
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Yang M, Luo W, Zhang W, Wang H, Xue D, Wu Y, Zhao S, Zhao F, Zheng X, Tao H. Ugi Reaction Mediated Detergent Assembly for Membrane Protein Studies. Chem Asian J 2022; 17:e202200372. [PMID: 35575910 DOI: 10.1002/asia.202200372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/16/2022] [Indexed: 11/11/2022]
Abstract
Despite the continuous efforts, the current repertoire of detergents is still far from sufficient for the biophysics studies of membrane proteins (MPs). Toward the rapid expansion of detergent diversity, we herein report a new strategy based on Ugi reaction mediated modular assembly. Structural varieties, including hydrophobic tails and hydrophilic heads, could be conveniently introduced from the multiple reaction components. New detergents then were comprehensively evaluated in the physical properties and preliminarily screened by the thermal stabilization for a transporter MsbA and a spectrum of G protein-coupled receptors (GPCRs). For the glucagon-like peptide-1 receptor (GLP-1R), a class B GPCR, detergent M-23-M finally stood out in a second evaluation for the maintenance of homogeneity and was further illustrated its application in the improvement of NMR study. Besides the promising utility in the MP study, the current results exhibit intriguing structural-physical relationship that would allow the guidance in the tuning of detergent properties in the future.
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Affiliation(s)
- Meifang Yang
- University of South China, Department of Pharmacy, CHINA
| | - Weiling Luo
- ShanghaiTech University, iHuman Institute, CHINA
| | - Wei Zhang
- ShanghaiTech University, iHuman Institute, CHINA
| | - Huixia Wang
- ShanghaiTech University, iHuman Institute, CHINA
| | | | - Yiran Wu
- ShanghaiTech University, iHuman Institute, CHINA
| | - Suwen Zhao
- ShanghaiTech University, iHuman Institute, CHINA
| | - Fei Zhao
- ShanghaiTech University, iHuman Institute, 230 Haike Road, 201210, Shanghai, CHINA
| | - Xing Zheng
- University of South China, Department of Pharmacy, CHINA
| | - Houchao Tao
- Shanghai University of Traditional Chinese Medicine, Shanghai Frontiers Science Center of TCM Chemical Biology, Room 2421, Building 2, 1200 Cailun Road, 230032, Shanghai, CHINA
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12
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Wang X, Liu D, Shen L, Li F, Li Y, Yang L, Xu T, Tao H, Yao D, Wu L, Hirata K, Bohn LM, Makriyannis A, Liu X, Hua T, Liu ZJ, Wang J. A Genetically Encoded F-19 NMR Probe Reveals the Allosteric Modulation Mechanism of Cannabinoid Receptor 1. J Am Chem Soc 2021; 143:16320-16325. [PMID: 34596399 DOI: 10.1021/jacs.1c06847] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Due to the lack of genetically encoded probes for fluorine-19 nuclear magnetic resonance spectroscopy (19F NMR), its utility for probing eukaryotic membrane protein dynamics is limited. Here we report an efficient method for the genetic incorporation of an unnatural amino acid (UAA), 3'-trifluoromenthyl-phenylalanine (mtfF), into cannabinoid receptor 1 (CB1) in the Baculovirus Expression System. The probe can be inserted at any environmentally sensitive site, while causing minimal structural perturbation to the target protein. Using 19F NMR and X-ray crystallography methods, we discovered that the allosteric modulator Org27569 and agonists synergistically stabilize a previously unrecognized pre-active state. An allosteric modulation model is proposed to explain Org27569's distinct behavior. We demonstrate that our site-specific 19F NMR labeling method is a powerful tool in decoding the mechanism of GPCR allosteric modulation. This new method should be broadly applicable for uncovering conformational states for many important eukaryotic membrane proteins.
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Affiliation(s)
- Xiaoyan Wang
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China.,Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Science, Beijing 100101, China
| | - Dongsheng Liu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Ling Shen
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China.,Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming, Yunnan 650500, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.,University of Chinese Academy of Sciences, Beijing 100049, China.,CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Shanghai 200031, China
| | - Fahui Li
- Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Science, Beijing 100101, China
| | - Yongze Li
- Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Science, Beijing 100101, China
| | - Lingyun Yang
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Tiandan Xu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Deqiang Yao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Lijie Wu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | | | - Laura M Bohn
- Departments of Molecular Medicine and Neuroscience, Scripps Research, Jupiter, Florida 33458, United States
| | - Alexandros Makriyannis
- Center for Drug Discovery, Department of Pharmaceutical Sciences, and Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - Xiaohong Liu
- Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Science, Beijing 100101, China
| | - Tian Hua
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Zhi-Jie Liu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China.,Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming, Yunnan 650500, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Jiangyun Wang
- Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Science, Beijing 100101, China
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13
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Liu Y, Zhou F, Ding K, Xue D, Zhu Z, Li C, Li F, Xu Y, Xu F, Le Z, Zhao S, Tao H. Structure-Activity Relationship Studies of Hydantoin-Cored Ligands for Smoothened Receptor. ChemistryOpen 2021; 10:1028-1032. [PMID: 34648230 PMCID: PMC8515922 DOI: 10.1002/open.202100216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 09/16/2021] [Indexed: 11/10/2022] Open
Abstract
An underside binding site was recently identified in the transmembrane domain of smoothened receptor (SMO). Herein, we report efforts in the exploration of new insights into the interactions between the ligand and SMO. The hydantoin core in the middle of the parent compound was found to be highly conservative in chirality, ring size, and substituents. On each benzene at two ends, a plethora of variations, particularly halogen substitutions, were introduced and investigated. Analysis of the structure-activity relationship revealed miscellaneous halogen effects. The ligands with double halogen substituents exhibit remarkably enhanced potency, providing promising candidates that potentially overcome the common drug resistance and useful heavy-atom labeled chemical tools for co-crystallization studies of SMO.
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Affiliation(s)
- Yang Liu
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Fang Zhou
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Kang Ding
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Dongxiang Xue
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Zhihao Zhu
- Department of ChemistryNanchang University999 Xuefu AvenueNanchang330031China
| | - Cuixia Li
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
- School of Life Science and TechnologyShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Fei Li
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Yueming Xu
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Fei Xu
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
- School of Life Science and TechnologyShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Zhiping Le
- Department of ChemistryNanchang University999 Xuefu AvenueNanchang330031China
| | - Suwen Zhao
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
- School of Life Science and TechnologyShanghaiTech University393 Middle Huaxia RoadShanghai201210China
| | - Houchao Tao
- iHuman InstituteShanghaiTech University393 Middle Huaxia RoadShanghai201210China
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14
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Hu T, Zheng G, Xue D, Zhao S, Li F, Zhou F, Zhao F, Xie L, Tian C, Hua T, Zhao S, Xu Y, Zhong G, Liu ZJ, Makriyannis A, Stevens RC, Tao H. Rational Remodeling of Atypical Scaffolds for the Design of Photoswitchable Cannabinoid Receptor Tools. J Med Chem 2021; 64:13752-13765. [PMID: 34477367 DOI: 10.1021/acs.jmedchem.1c01088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Azobenzene-embedded photoswitchable ligands are the widely used chemical tools in photopharmacological studies. Current approaches to azobenzene introduction rely mainly on the isosteric replacement of typical azologable groups. However, atypical scaffolds may offer more opportunities for photoswitch remodeling, which are chemically in an overwhelming majority. Herein, we investigate the rational remodeling of atypical scaffolds for azobenzene introduction, as exemplified in the development of photoswitchable ligands for the cannabinoid receptor 2 (CB2). Based on the analysis of residue-type clusters surrounding the binding pocket, we conclude that among the three representative atypical arms of the CB2 antagonist, AM10257, the adamantyl arm is the most appropriate for azobenzene remodeling. The optimizing spacer length and attachment position revealed AzoLig 9 with excellent thermal bistability, decent photopharmacological switchability between its two configurations, and high subtype selectivity. This structure-guided approach gave new impetus in the extension of new chemical spaces for tool customization for increasingly diversified photo-pharmacological studies and beyond.
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Affiliation(s)
- Tao Hu
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Pudong, Shanghai 201210, China.,CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guoxun Zheng
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Dongxiang Xue
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Simeng Zhao
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Fei Li
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Fang Zhou
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Fei Zhao
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Linshan Xie
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Cuiping Tian
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Tian Hua
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Yueming Xu
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Guisheng Zhong
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Zhi-Jie Liu
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Pudong, Shanghai 201210, China
| | - Alexandros Makriyannis
- Center for Drug Discovery, Department of Pharmaceutical Sciences and Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - Raymond C Stevens
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Pudong, Shanghai 201210, China.,Departments of Biological Sciences and Chemistry, Bridge Institute, USC Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, California 90089, United States
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, Pudong, Shanghai 201210, China
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15
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Zhao F, Wu Y, Zhou F, Xue D, Zhao S, Lu W, Liu X, Hu T, Qiu Y, Li R, Gu T, Xu Y, Xu F, Zhong G, Jiang Z, Zhao S, Tao H. Elucidation of Distinct Modular Assemblies of Smoothened Receptor by Bitopic Ligand Measurement. J Med Chem 2021; 64:13830-13840. [PMID: 34492176 DOI: 10.1021/acs.jmedchem.1c01220] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Class F G protein-coupled receptors are characterized by a large extracellular domain (ECD) in addition to the common transmembrane domain (TMD) with seven α-helixes. For smoothened receptor (SMO), structural studies revealed dissected ECD and TMD, and their integrated assemblies. However, distinct assemblies were reported under different circumstances. Using an unbiased approach based on four series of cross-conjugated bitopic ligands, we explore the relationship between the active status and receptor assembly. Different activity dependency on the linker length for these bitopic ligands corroborates the various occurrences of SMO assembly. These results reveal a rigid "near" assembly for active SMO, which is in contrast to previous results. Conversely, inactive SMO adopts a free ECD, which would be remotely captured at "far" assembly by cholesterol. Altogether, we propose a mechanism of cholesterol flow-caused SMO activation involving an erection of ECD from far to near assembly.
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Affiliation(s)
- Fei Zhao
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Yiran Wu
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Fang Zhou
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Dongxiang Xue
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Simeng Zhao
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Wanglong Lu
- School of Pharmaceutical Sciences, Wuhan University, 185 Donghu Road, Wuhan, Hubei 430071, China
| | - Xiaoyan Liu
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Tao Hu
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yanli Qiu
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Rongyan Li
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Tangjie Gu
- School of Physics Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yueming Xu
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Fei Xu
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Guisheng Zhong
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Zhongxing Jiang
- School of Pharmaceutical Sciences, Wuhan University, 185 Donghu Road, Wuhan, Hubei 430071, China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Road, Shanghai 201210, China
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16
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Guo Z, Xie J, Hu T, Chen Y, Tao H, Yang X. Kinetic resolution of N-aryl β-amino alcohols via asymmetric aminations of anilines. Chem Commun (Camb) 2021; 57:9394-9397. [PMID: 34528982 DOI: 10.1039/d1cc03117a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An efficient kinetic resolution of N-aryl β-amino alcohols has been developed via asymmetric para-aminations of anilines with azodicarboxylates enabled by chiral phosphoric acid catalysis. Broad substrate scope and high kinetic resolution performances were afforded with this method. Control experiments supported the critical roles of the NH and OH group in these reactions.
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Affiliation(s)
- Zheng Guo
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China. .,University of Chinese Academy of Sciences, Beijing 100049, China.,Shanghai Institute of Organic Chemistry, Shanghai 200032, China
| | - Jinglei Xie
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Tao Hu
- University of Chinese Academy of Sciences, Beijing 100049, China.,iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Yunrong Chen
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Xiaoyu Yang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
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17
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Liu L, Zhu Z, Zhou F, Xue D, Hu T, Luo W, Qiu Y, Wu D, Zhao F, Le Z, Tao H. Catalytically Cleavable Detergent for Membrane Protein Studies. ACS Omega 2021; 6:21087-21093. [PMID: 34423216 PMCID: PMC8375090 DOI: 10.1021/acsomega.1c02894] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/26/2021] [Indexed: 05/04/2023]
Abstract
Throughout the in vitro studies of membrane proteins (MPs), proper detergents are essential for the preparation of stable aqueous samples. To date, universally applicable detergents have not yet been reported to accommodate the distinct requirements for the highly diversified MPs and at the different stages of MP manipulation. Detergent exchange often has to be performed. We report herein the catalytically cleavable detergents (CatCDs) that can be efficiently removed to facilitate a complete exchange. To this end, functional groups, like propargyl and allyl, are introduced as branched chains or built in the hydrophobic chain close to the hydrophilic head. The representative CatCDs can be used as usual detergents in the extraction and purification of MPs and later be removed upon the addition of catalytic palladium. Mediated by CatCD-1, reconstitution of a transporter protein MsbA into a series of detergents was achieved. The extension of these designs could facilitate the future optimization of other biophysics studies.
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Affiliation(s)
- Lu Liu
- Department
of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Zhihao Zhu
- Department
of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Fang Zhou
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Dongxiang Xue
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Tao Hu
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
- School
of Life Science and Technology, ShanghaiTech
University, L Building,
393 Middle Huaxia Road, Shanghai 201210, China
| | - Weiling Luo
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
- School
of Life Science and Technology, ShanghaiTech
University, L Building,
393 Middle Huaxia Road, Shanghai 201210, China
| | - Yanli Qiu
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
- School
of Life Science and Technology, ShanghaiTech
University, L Building,
393 Middle Huaxia Road, Shanghai 201210, China
| | - Dong Wu
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Fei Zhao
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Zhiping Le
- Department
of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Houchao Tao
- iHuman
Institute, ShanghaiTech University, Y Building, 393 Middle Huaxia Road, Shanghai 201210, China
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18
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Tian X, Zhang X, Hou X, Ren W, Li X, Zhao F, Tao H, Wang Y. Formal [4+1] Cyclization of
ortho
‐ or
para
‐Quinone Methides with 3‐Chlorooxindoles: Synthesis of 3,2′‐Tetrahydrofuryl Spirooxindoles. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100363] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xiaochen Tian
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Xiaoli Zhang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Xiaohan Hou
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Weiwu Ren
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
- Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology (QNLM) Qingdao 266237 P. R. China
| | - Xiaoyang Li
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Fei Zhao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Rd, Pudong New District Shanghai 201210 P. R. China
| | - Houchao Tao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Rd, Pudong New District Shanghai 201210 P. R. China
| | - Yang Wang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
- Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology (QNLM) Qingdao 266237 P. R. China
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19
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Zhu C, Liu W, Zhao F, Chen Y, Tao H, He YP, Yang X. Kinetic Resolution of 2,2-Disubstituted Dihydroquinolines through Chiral Phosphoric Acid-Catalyzed C6-Selective Asymmetric Halogenations. Org Lett 2021; 23:4104-4108. [PMID: 33998803 DOI: 10.1021/acs.orglett.1c00978] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A novel kinetic resolution of 2,2-disubstituted dihydroquinolines was achieved by regioselective asymmetric halogenations enabled by chiral phosphoric acid catalysis. A series of dihydroquinolines bearing 2,2-disubstitutions were well-tolerated in these reactions, generating both the recovered dihydroquinolines and C-6-brominated products with high enantioselectivities, with s-factors up to 149. In addition, this kinetic resolution protocol is also applicable for 2,2-disubstituted tetrahydroquinoline and asymmetric iodonation reaction.
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Affiliation(s)
- Chaofan Zhu
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Fushun 113001, China.,School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Wei Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Fei Zhao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Yunrong Chen
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Yu-Peng He
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Fushun 113001, China
| | - Xiaoyu Yang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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20
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Zhi X, Zhang Z, Li W, Yan X, Zhang F, Han X, Yuan F, Ma J, Wang L, Tao H, Li X, Zhang S, Ge X, Hu Y, Wang J. P75.18 Association of the LIPI With Survival and Response in Advanced NSCLC Patients Treated With Immune Checkpoint Inhibitors. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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21
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Zhang Z, Li X, Zhang S, Yuan F, Ma J, Wang L, Zhang F, Tao H, Zhi X, Ge X, Hu Y, Wang J. P75.17 Baseline D-Dimer Levels Predict Prognosis in Advanced Non-Small Cell Lung Cancer Patients Treated With Immune Checkpoint Inhibitors. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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22
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Takanashi Y, Sato S, Tao H, Kahyo T, Kawase A, Sugimura H, Funai K, Shiiya N, Setou M. P43.03 Sphingomyelin Is a Candidate Predictor for Lung Adenocarcinoma Recurrence After Radical Surgery. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Ge X, Zhang Z, Yan X, Zhang F, Yuan F, Han X, Huang Z, Ma J, Wang L, Tao H, Li X, Zhang S, Zhi X, Hu Y, Wang J. P78.09 Immunotherapy Beyond Progression for Patients with Advanced Non-Small Cell Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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24
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Yang D, Zhou Q, Labroska V, Qin S, Darbalaei S, Wu Y, Yuliantie E, Xie L, Tao H, Cheng J, Liu Q, Zhao S, Shui W, Jiang Y, Wang MW. G protein-coupled receptors: structure- and function-based drug discovery. Signal Transduct Target Ther 2021; 6:7. [PMID: 33414387 PMCID: PMC7790836 DOI: 10.1038/s41392-020-00435-w] [Citation(s) in RCA: 198] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/30/2020] [Accepted: 12/05/2020] [Indexed: 02/08/2023] Open
Abstract
As one of the most successful therapeutic target families, G protein-coupled receptors (GPCRs) have experienced a transformation from random ligand screening to knowledge-driven drug design. We are eye-witnessing tremendous progresses made recently in the understanding of their structure-function relationships that facilitated drug development at an unprecedented pace. This article intends to provide a comprehensive overview of this important field to a broader readership that shares some common interests in drug discovery.
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Affiliation(s)
- Dehua Yang
- The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China.,The CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China
| | - Qingtong Zhou
- School of Basic Medical Sciences, Fudan University, 200032, Shanghai, China
| | - Viktorija Labroska
- The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China.,University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Shanshan Qin
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, China
| | - Sanaz Darbalaei
- The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China.,University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Yiran Wu
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, China
| | - Elita Yuliantie
- The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China.,University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Linshan Xie
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, China.,School of Life Science and Technology, ShanghaiTech University, 201210, Shanghai, China
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, China
| | - Jianjun Cheng
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, China
| | - Qing Liu
- The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China.,The CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, China.,School of Life Science and Technology, ShanghaiTech University, 201210, Shanghai, China
| | - Wenqing Shui
- iHuman Institute, ShanghaiTech University, 201210, Shanghai, China. .,School of Life Science and Technology, ShanghaiTech University, 201210, Shanghai, China.
| | - Yi Jiang
- The CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China.
| | - Ming-Wei Wang
- The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China. .,The CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 201203, Shanghai, China. .,School of Basic Medical Sciences, Fudan University, 200032, Shanghai, China. .,University of Chinese Academy of Sciences, 100049, Beijing, China. .,School of Life Science and Technology, ShanghaiTech University, 201210, Shanghai, China. .,School of Pharmacy, Fudan University, 201203, Shanghai, China.
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25
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He F, Wang J, Zhou F, Tao H, Yang X. Regio- and enantioselective amination of acyclic branched α-alkynyl ketones: asymmetric construction of N-containing quaternary stereocenters. Org Chem Front 2021. [DOI: 10.1039/d1qo00720c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Direct regio- and enantioselective amination of acyclic α-branched ketones enabled by the α-alkynyl group.
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Affiliation(s)
- Faqian He
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Shanghai Institute of Organic Chemistry, Shanghai 200032, China
| | - Jiawen Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Fang Zhou
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Xiaoyu Yang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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26
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Chen X, Xu Y, Qu L, Wu L, Han GW, Guo Y, Wu Y, Zhou Q, Sun Q, Chu C, Yang J, Yang L, Wang Q, Yuan S, Wang L, Hu T, Tao H, Sun Y, Song Y, Hu L, Liu ZJ, Stevens RC, Zhao S, Wu D, Zhong G. Molecular Mechanism for Ligand Recognition and Subtype Selectivity of α 2C Adrenergic Receptor. Cell Rep 2020; 29:2936-2943.e4. [PMID: 31801061 DOI: 10.1016/j.celrep.2019.10.112] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 09/23/2019] [Accepted: 10/28/2019] [Indexed: 12/11/2022] Open
Abstract
Adrenergic G-protein-coupled receptors (GPCRs) mediate different cellular signaling pathways in the presence of endogenous catecholamines and play important roles in both physiological and pathological conditions. Extensive studies have been carried out to investigate the structure and function of β adrenergic receptors (βARs). However, the structure of α adrenergic receptors (αARs) remains to be determined. Here, we report the structure of the human α2C adrenergic receptor (α2CAR) with the non-selective antagonist, RS79948, at 2.8 Å. Our structure, mutations, modeling, and functional experiments indicate that a α2CAR-specific D206ECL2-R409ECL3-Y4056.58 network plays a role in determining α2 adrenergic subtype selectivity. Furthermore, our results show that a specific loosened helix at the top of TM4 in α2CAR is involved in receptor activation. Together, our structure of human α2CAR-RS79948 provides key insight into the mechanism underlying the α2 adrenergic receptor activation and subtype selectivity.
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Affiliation(s)
- Xiaoyu Chen
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yueming Xu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Lu Qu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; University of Chinese Academy of Sciences, Beijing 100049, China; National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Lijie Wu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Gye Won Han
- Departments of Biological Sciences and Chemistry, Bridge Institute, University of Southern California, Los Angeles, CA 90089, USA
| | - Yu Guo
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yiran Wu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Qingtong Zhou
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Qianqian Sun
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Cenfeng Chu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Yang
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liu Yang
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Quan Wang
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shuguang Yuan
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Laboratory of Biomodelling, Faculty of Chemistry & Biological and Chemical Research Centre, University of Warsaw, 02-093 Warsaw, Poland
| | - Ling Wang
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Tao Hu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China
| | - Yaping Sun
- Amgen Asia R&D Center, Amgen Biopharmaceutical R&D (Shanghai), Shanghai 201210, China
| | - Yunpeng Song
- Amgen Asia R&D Center, Amgen Biopharmaceutical R&D (Shanghai), Shanghai 201210, China
| | - Liaoyuan Hu
- Amgen Asia R&D Center, Amgen Biopharmaceutical R&D (Shanghai), Shanghai 201210, China
| | - Zhi-Jie Liu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Raymond C Stevens
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Dong Wu
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China.
| | - Guisheng Zhong
- iHuman Institute, ShanghaiTech University, Shanghai 201210, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
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27
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Li JZ, Wang L, Li XZ, Yu WG, Kang LP, Liu YQ, Ji XH, Wu XF, Wang MS, Tao H. [Effects of double-catheter epidural analgesia by lidocaine injection respectively on the delivery outcomes and maternal-infant complications for persistent posterior or lateral occipital position of protracted active phase]. Zhonghua Fu Chan Ke Za Zhi 2020; 55:457-464. [PMID: 32842249 DOI: 10.3760/cma.j.cn112141-20191228-00705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the effect of dual-tube epidural segmental injection of lidocaine analgesia on the delivery outcome and maternal and infant complications of persistent posterior occipital position postpartum or lateral occipital position postpartum patients with protracted active phase. Methods: The full and single-term primiparas (n=216, 37 to 42 weeks gestation, 22 to 35 years) diagnosed as persistent posterior or lateral occipital position during the active period were selected from the Department of Obstetrics of Qingdao Municipal Hospital from January 2015 to October 2019. The subjects were randomly assigned into two groups: double-tube epidural block group (n=108) and single-tube epidural block group (n=108), 1% lidocaine was used for epidural analgesia respectively under ultrasound guidance. Senior midwife or obstetricians implement new partogram, and guide women to perform position management, and push or rotate the fetal head in a timely manner. Observation indicators: general condition, the use of non-pharmacological analgesic measures, analgesia related conditions and pain visual analogue scale (VAS) score, delivery-related indicator, cesarean section indication, anesthesia-related indicator, maternal and child complications. Results: (1) General condition: the age, weight, height, gestational age, the ratio of persistent lateral or posterior occipital position, cephalic score, and neonatal birth weight between the two groups of women were not statistically significant (all P>0.05). (2) The use of non-pharmacological analgesic measures: the women's Lamaze breathing method, Doula delivery companionship, percutaneous electrical stimulation, and other measures between two groups were compared, and there were not significant differences (all P>0.05). (3) Analgesia related conditions and VAS scores of women undergoing vaginal delivery: compared with the single-tube epidural block group (n=40), the second-partum time of the women in the double-tube epidural block group (n=59) was significantly shortened [(124±44) vs (86±33) minutes, P<0.01]; after 30 minutes of analgesia (4.4±0.5 vs 0.9±0.5, P<0.01), during forced labor in the second stage of labor (5.7±0.6 vs 1.3±0.4, P<0.01), the VAS scores of pain were also significantly reduced (P<0.01). (4) Labor-related indicators: compared with the single-tube epidural block group, the natural delivery rate (21.3% vs 49.1%) and the delivery experience satisfaction rate (51.9% vs 98.1%) of women in the double-tube epidural block group were significantly increased (all P<0.01), cesarean section rate (63.0% vs 45.4%), instrument assisted rate (15.7% vs 5.6%) decreased significantly (all P<0.05). (5) Cesarean section indications: compared with the single-tube epidural block group, the cesarean section rate caused by prolonged labor or protracted active phase of women in the double-tube epidural block group was significantly reduced (38.0% vs 22.2%; P<0.05), and the fetal distress, intrauterine infection, and social factors caused by cesarean section between the two groups were compared, while the differences were not statistically significant (all P>0.05).(6) Anesthesia related indexes: the block planes of the maternal upper tube administration in the double-tube epidural block group were mostly T7, T8, T9-L2 and L3,While,the block planes in the single-tube epidural block group were mostly T10, T11-S1, S2, S3, and the modified Bromage score were all 0. (7) Maternal and child complications: compared with the single-tube epidural block group, the postpartum hemorrhage rate (18.5% vs 7.4%), the perineal lateral cut rate (20.4% vs 5.6%), the neonatal asphyxia rate (12.0% vs 3.7%), ICU rate of transferred neonates (13.9% vs 4.6%) in the double-tube epidural block group were significantly reduced (all P<0.05). Soft birth canal injury rate, puerperal disease rate and neonatal birth rate between two groups were compared, and there were not statistically significant differences (all P>0.05). Conclusion: Dual-tube epidural segmental injection of lidocaine analgesia could increase the natural delivery rate of women with posterior occipital or lateral occipital position with active stagnation, reduce the rate of cesarean section and the rate of transvaginal instruments, and reduce the complications of mother and child.
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Affiliation(s)
- J Z Li
- Department of Anesthesiology, Qingdao Municipal Hospital, Qingdao 266071, China
| | - L Wang
- Department of Anesthesiology, Qingdao Municipal Hospital, Qingdao 266071, China
| | - X Z Li
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - W G Yu
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - L P Kang
- Department of Obstetrics, Qingdao Municipal Hospital, Qingdao 266071, China
| | - Y Q Liu
- Department of Anesthesiology, Qingdao Municipal Hospital, Qingdao 266071, China
| | - X H Ji
- Department of Obstetrics, Qingdao Municipal Hospital, Qingdao 266071, China
| | - X F Wu
- Department of Obstetrics, Qingdao Municipal Hospital, Qingdao 266071, China
| | - M S Wang
- Department of Anesthesiology, Qingdao Municipal Hospital, Qingdao 266071, China
| | - H Tao
- Department of Obstetrics, Qingdao Municipal Hospital, Qingdao 266071, China
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28
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Zhu X, Tao H, Kong C, Song X, Zhang N, Chen C, Jiang N, Zhao L, Yan P, He X. 1386P Anlotinib combined with whole brain radiation therapy (WBRT) for advanced non-small cell lung cancer with multiple brain metastases: An open-label, single-arm phase II trial. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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29
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Xu YJ, Zhu WG, Liao ZX, Kong Y, Wang WW, Li JC, Huang R, He H, Yang XM, Liu LP, Sun ZW, He HJ, Bao Y, Zeng M, Pu J, Hu WY, Ma J, Jiang H, Liu ZG, Zhuang TT, Tan BX, Du XH, Qiu GQ, Zhou X, Ji YL, Hu X, Wang J, Ma HL, Zheng X, Huang J, Liu AW, Liang XD, Tao H, Zhou JY, Liu Y, Chen M. [A multicenter randomized prospective study of concurrent chemoradiation with 60 Gy versus 50 Gy for inoperable esophageal squamous cell carcinoma]. Zhonghua Yi Xue Za Zhi 2020; 100:1783-1788. [PMID: 32536123 DOI: 10.3760/cma.j.cn112137-20200303-00574] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective: To determine whether 60 Gy is superior to standard 50 Gy for definitive concurrent chemoradiation(CCRT) in esophageal squamous cell carcinoma (ESCC) using modern radiation technology in a phase Ⅲ prospective randomized trial. Methods: From April 2013 to May 2017, 331 patients from 22 hospitals who were pathologically confirmed with stage ⅢA-ⅣA ESCC were randomized to 60 Gy or 50 Gy with random number table. Total of 305 patients were analyzed, including 152 in 60 Gy group and 153 in 50 Gy group. The median age was 63 years, 242(79.3%) males and 63(20.7%) females. The median length of primary tumor was 5.6 cm. The clinical characteristics between two groups were comparable. All patients were delivered 2 Gy per fraction, 5 fractions per week. Concurrent weekly chemotherapy with docetaxel (25 mg/m(2)) and cisplatin (25 mg/m(2)) and 2 cycles consolidation chemotherapy with docetaxel (70 mg/m(2)) and cisplatin (25 mg/m(2), d1-3) were administrated. The primary endpoint was local/regional progression-free survival (LRPFS). The data were compared with Pearson chi-square test or Fisher's exact test. Results: At a median follow-up of 27.3 months, the disease progression rate was 37.5% (57/152), 43.8% (67/153) in the high and standard-dose group, respectively (χ(2)=1.251, P=0.263). The 1, 2, 3-year LRPFS rate was 75.4%, 56.8%, 52.1% and 74.2%, 58.4%, 50.1%, respectively (HR: 0.95, 95%CI: 0.69-1.31, P=0.761). The 1, 2, 3-year overall survival rate was 84.1%, 64.8%, 54.1% and 85.4%, 62.9%, 54.0%, respectively (HR: 0.98, 95%CI: 0.71-1.38, P=0.927). The 1, 2, 3-year progression-free survival rate was 70.8%, 54.2%, 48.5% and 65.5%, 51.9%, 45.1%, respectively (HR: 0.93, 95%CI: 0.68-1.26, P=0.621). The incidence rates in toxicities between the two groups were similar except for higher rate of severe pneumonitis in high dose group (χ(2)=11.596, P=0.021). Conclusions: The efficacy in disease control is similar between 60 Gy and 50 Gy using modern radiation technology concurrent with chemotherapy for ESCC. The 50 Gy should be recommended as the regular radiation dose with CCRT for ESCC.
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Affiliation(s)
- Y J Xu
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - W G Zhu
- the Department of Radiation Oncology, Huai'an First People's Hospital, Huai'an 223300, China
| | - Z X Liao
- the Department of Radiation Oncology, University of Taxes, M.D. Anderson Cancer Center, Houston 77030, the United States
| | - Y Kong
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - W W Wang
- the Department of Radiation Oncology, Huai'an First People's Hospital, Huai'an 223300, China
| | - J C Li
- the Department of Thoracic Radiation Oncology, Fujian Cancer Hospital, Fuzhou 350014, China
| | - R Huang
- the Department of Radiation Oncology, Foshan First People's Hospital, Foshan 528000, China
| | - H He
- the Department of Radiation Oncology, Foshan First People's Hospital, Foshan 528000, China
| | - X M Yang
- the Department of Medical Oncology, Jiaxing First People's Hospital, Jiaxing 314000, China
| | - L P Liu
- the Department of Oncology, Jining First People's Hospital, Jining 272011, China
| | - Z W Sun
- the Department of Oncology, Jining First People's Hospital, Jining 272011, China
| | - H J He
- the Department of Radiation Oncology, Quzhou People's Hospital, Quzhou 324000, China
| | - Y Bao
- the Department of Radiation Oncology, Affiliated Cancer Hospital, Sun Yat-Sen University, Guangzhou 510080, China(is working in the First Affiliated Hospital of Sun Yat-Sen University)
| | - M Zeng
- the Department of Radiation Oncology, Sichuan Provincial People's Hospital, Chengdu 610072, China
| | - J Pu
- the Department of Radiation Oncology, Lianshui People's Hospital, Lianshui 223400, China
| | - W Y Hu
- the Department of Radiation Oncology, Jinhua Central Hospital, Jinhua 321000, China
| | - J Ma
- the Department of Radiation Oncology, Anhui Provincial Hospital, Hefei 230001, China
| | - H Jiang
- the Department of Radiation Oncology, Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - Z G Liu
- the Department of Radiation Oncology, Hunan Cancer Hospital, Changsha 410013, China(is working in the Fifth Affiliated Hospital of Sun Yat-Sen University now)
| | - T T Zhuang
- the Department of Radiation Oncology, Affiliated Cancer Hospital of Shantou University Medical College, Shantou 515031, China
| | - B X Tan
- the Department of Radiation Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - X H Du
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - G Q Qiu
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - X Zhou
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - Y L Ji
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - X Hu
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - J Wang
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - H L Ma
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - X Zheng
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - J Huang
- the Department of Radiation Oncology, Changzhou First People's Hospital, Changzhou 213003, China
| | - A W Liu
- the Department of Radiation Oncology, Second Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - X D Liang
- the Department of Radiation Oncology, Zhejiang People's Hospital, Hangzhou 310014, China
| | - H Tao
- the Department of Radiation Oncology, Jiangsu Cancer Hospital, Nanjing 210009, China
| | - J Y Zhou
- the Department of Radiation Oncology, First Affiliated Hospital of Suzhou University, Suzhou 215006, China
| | - Y Liu
- the Department of Radiation Oncology, Affiliated Cancer Hospital of Guangzhou Medical University, Guangzhou 510095, China
| | - M Chen
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
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Zhang Y, Bai F, Tao H. [A preliminary study on the safety of berberine solution in rabbit eyes with topical application]. Zhonghua Yan Ke Za Zhi 2020; 56:131-137. [PMID: 32074824 DOI: 10.3760/cma.j.issn.0412-4081.2020.02.009] [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 study the safety of topical berberine solution in rabbit eyes and its effect on corneal epithelial repair in rabbit eyes. Methods: Experimental Study. Ninety-two Japanese rabbits were randomly divided into two groups by random number table method: the general group (32 rabbits, 64 eyes) and the corneal injury group (60 rabbits, 60 eyes).The general groups were further divided into 4 groups by random number table method, and each group has 8 rabbits (16 eyes). According to the administration of deionized water or 0.5, 1.0, 1.5 mg/ml berberine solution, they were divided into the general control group and the general A, B, and C group. Dosing with both eyes, each eye was given a single dose, and then it was given multiple times for 4 weeks after observation for 72h. After the corneal epithelium injury model made in the right eye of rabbits in the corneal injury groups, they were divided into a corneal injury control group and a corneal injury group A, B, and C according to the administration of deionized water or 0.5, 1.0, 1.5 mg/ml berberine solution. there were 5 rabbits (15 eyes) in each group, and the solutions were given continuously for 1 week. The rabbits in the general group were observed their behavioral changes, ocular surface and iris were scored by Draize eye irritation test scoring system. IOP was measured at different time points. Electroretinogram (ERG) was used to detect b-wave amplitude. In the corneal injury group, corneal epithelial defect repairment was observed at 1, 2, 3, 4, 5, 6, and 7 days after the corneal defect. Corneal histopathology observation after discontinuation of all rabbits. The pH value of rabbit tears was described by the paired t test, and the score of Draize eye irritation test were described by the rank-sum test. The analysis of variance and SNK-q were used for IOP, electroretinogram b-wave amplitude, corneal epithelial injury area and repair time. Results: No abnormal behavior was observed in the general group rabbits after single and multiple administration. There was no significant difference in the Draize eye irritation score among the general control group and the general group A, B, C at 1, 2, and 4 weeks of multiple administrations. Among them, the Draize eye irritation score of the general group C was 7 (0, 12), 6 (0, 10), 6 (0, 16) points (χ(2)=1.640, 0.265, 1.963, 1.381; P>0.05).There were no significant difference in IOP at different times among the general control group and the general group A, B, C at different times (F=0.065, 0.292, 0.015, 0.041; P>0.05). Before multiple administrations and after administration at 2, 4 weeks, the b-wave amplitudes of the general control group were (127.75±17.12), (129.18±15.83), (128.81±13.58) μV, and the general group A were (130.68).±18.75), (131.38±16.96), (130.62±12.18) μV,and the general group B were (128.00±16.74), (128.44±16.64), (129.06±16.16) μV, and the general group C were (131.81±19.37), (132.13±18.36), (129.94±12.60) μV. There was no statistically significant difference in b-wave amplitude in the groups at different times before and after administration (F=0.037, 0.011, 0.017, 0.702; P>0.05). There was no significant difference in the results of corneal histopathology among the general control group and the general group A, B, C. The area of corneal epithelial defect in each corneal injury group was statistically significant at different time (F=5.316, 25.864, 127.613; P<0.05). The corneal injury control group compared with the corneal injury group A, B, C, the corneal epithelial defect area in the corneal injury group C was significantly larger than the other three groups, with statistical differences (q=5.153, 10.313, 6.976; P<0.05). The repair time of corneal epithelial in control group and the group A,B,C of corneal injury were (83.0±1.85), (82.9±2.07), (83.7±2.09) and (101.6±2.20) h. The corneal epithelium defect repair time in group C was longer and the difference was statistically significant (F=301.437, P=0.000). Comparing the corneal injury control group and corneal injury group A and B, there was no statistical difference in the repair time of corneal epithelial defect (F=0.813, P=0.450). After repair, there was no significant difference in the pathological results of the corneal tissue between the corneal injury groups. Conclusions: Berberine solution in rabbit eyes with topical application was safety, and has no obvious toxic effect on the ocular surface and ERG of normal rabbits. 1.5 mg/ml berberine solution delayed the repair of experimental corneal epithelial defect, but had no effect on the integrity of corneal tissue after repair. (Chin J Ophthalmol, 2020, 56: 131-137).
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Affiliation(s)
- Y Zhang
- Lacrimal Center of Ophthalmology, Third Medical Center of PLA General Hospital, Beijing 100039, China
| | - F Bai
- Lacrimal Center of Ophthalmology, Third Medical Center of PLA General Hospital, Beijing 100039, China
| | - H Tao
- Lacrimal Center of Ophthalmology, Third Medical Center of PLA General Hospital, Beijing 100039, China
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Abstract
Diabetes is a group of metabolic disorders that is characterized by hyperglycemia which increases the risks of cardiovascular, microvascular, and macrovascular complications. Innovative therapeutic trials regarding diabetes control and management are continually being undertaken. The present review was aimed to explore the potential effects and mechanisms that lead to the pathogenesis of type 2 diabetes mellitus (T2DM) and its relation with asprosin. Asprosin is a newly discovered hormone that is encoded by protein fibrillin 1 (FBN1 gene), secreted by white adipose during fasting conditions at 5-10 nM levels, which acts on the liver through cell membrane receptors and activates the G protein cAMP- PKA pathway. Asprosin secretion is increased during fasting as the compensatory mechanism in hypoglycemia. Asprosin concentration is higher in patients with T2DM and impaired glucose regulation compared to healthy subjects. Genetic deficiency of asprosin may cause problems of poor appetite and extreme leanness in humans. Attenuating asprosin activity or depleting asprosin may serve as a novel therapeutic innovation for the treatment of T2DM and obesity. Hence, asprosin may serve as a beacon for the target of a future therapy in diabetes management.
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Affiliation(s)
- P Bhadel
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - S Shrestha
- Department of Pharmacy, Nepal Cancer Hospital and Research Center, Harisiddhi, Lalitpur, Nepal
- Department of Pharmaceutical and Health Service Research, Nepal Health Research and Innovation Foundation, Lalitpur, Nepal
| | - B Sapkota
- Department of Pharmaceutical Sciences, Faculty of Health Sciences, Nobel College, Sinamangal, Kathmandu, Pokhara University, Nepal
| | - J Y Li
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - H Tao
- Department of Metabolism and Endocrinology, The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
- Health Management Center, The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
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Bai F, Zhou XB, Wang P, Wang LH, Wang F, Tao H. [Retrospective investigation of spontaneous bloody tears: a report of 27 cases]. Zhonghua Yan Ke Za Zhi 2020; 56:53-58. [PMID: 31937064 DOI: 10.3760/cma.j.issn.0412-4081.2020.01.013] [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 summarize clinical experience on the clinical feature, etiology and treatment of patients with spontaneous bloody tears as the initial symptom. Methods: Retrospective series of case studies. The clinical data and follow-up data of 27 cases of bloody tears as the first symptom in Lacrimal Center of Ophthalmology, the Third Medical Center of Chinese PLA General Hospital from June 2015 to December 2018 were reviewed. The clinical feature, specific cause, diagnosis, treatment and prognosis of these cases were evaluated. Results: A total of 27 cases were collected in this study. The patients were 10 males (37.0%) and 17 females (63.0%), including 21 adults (≥ 18 years old, 77.8%) and 6 minors (<18 years old, 22.2%). There were 22 monocular cases (81.5%) and 5 binocular cases (18.5%). Five cases (18.5%) were bleeding from the eye and other parts of the body, and 22 cases (81.5%) were bleeding only from the eye. There were 19 cases (70.4%) with hematic epiphora and secretions from the punctum, 3 cases (11.1%) with blood-stained tears, and 7 cases (25.9%) with blood-like tears. With regard to etiology, 6 cases (22.2%) were combined with systemic lesions, one of which was granulomatosis with polyangiitis and five of which (<18 years old) were idiopathic bloody tears. Twenty-one cases (77.8%) were local lesions, including 18 cases only involving the lacrimal system, 2 cases only involving the ocular surface, and 1 case involving both the lacrimal system and the ocular surface. Among the 21 cases with local lesions, 5 cases were induced by foreign body, 6 cases were induced by simple inflammation, and 10 cases were induced by tumor including 1 case with conjunctival benign tumor and 9 cases with tumor of the lacrimal system (5 with malignant tumor and 4 with benign tumor). Patients with idiopathic bloody tears received psychological and medical treatment, and interictal discharge was lengthened. One case of granulomatosis with polyangiitis was treated by trans-nasal endoscopic dacryocystorhinostomy. With the recurrence of granulomatosis and polyangiitis, bloody tears recurred after surgery. One patient with conjunctival hemangioma was untreated. Lesions in the lacrimal duct system were removed and dacryocystorhinostomy was performed. In this study, 2 patients (1 with small cell neuroendocrine carcinoma and 1 with adenoid cystic adenocarcinoma) died and the other had a good prognosis. Conclusions: Among the cases of bloody tears, adults and local lesions are more common. Most of the lesions are located in the lacrimal system and are tumors. The main treatment is to remove the lesions, and if necessary, to expand the resection and reconstruct the lacrimal duct. Idiopathic bloody tears occur in minors, who are gave psychotherapy and necessary medical treatment. (Chin J Ophthalmol, 2020, 56: 53-58).
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Affiliation(s)
- F Bai
- Lacrimal Centre of Ophthalmology, the Third Medical Center, Chinese PLA General Hospital, Beijing 100039, China
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Xue D, Ye L, Zheng J, Wu Y, Zhang X, Xu Y, Li T, Stevens RC, Xu F, Zhuang M, Zhao S, Zhao F, Tao H. The structure-based traceless specific fluorescence labeling of the smoothened receptor. Org Biomol Chem 2019; 17:6136-6142. [PMID: 31180094 DOI: 10.1039/c9ob00654k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The smoothened receptor (SMO) mediates the hedgehog (Hh) signaling pathway and plays a vital role in embryonic development and tumorigenesis. The visualization of SMO has the potential to provide new insights into its enigmatic mechanisms and associated disease pathogenesis. Based on recent progress in structural studies of SMO, we have designed and characterized a group of affinity probes to facilitate the turn-on fluorescence labeling of SMO at the ε-amine of K395. These chemical probes were derived from a potent SMO antagonist skeleton by the conjugation of a small non-fluorescent unit, O-nitrobenzoxadiazole (O-NBD). In this context, optimal probes were developed to be capable of efficiently and selectively lighting up SMO regardless of whether it is in micelles or in native membranes. More importantly, the resulting labeled SMO only bears a very small fluorophore and allows for the recovery of the unoccupied pocket by dissociation of the residual ligand module. These advantages should allow the probe to serve as a potential tool for monitoring SMO trafficking, understanding Hh activation mechanisms, and even the diagnosis of tumorigenesis in the future.
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Affiliation(s)
- Dongxiang Xue
- iHuman Institute, ShanghaiTech University, Ren Building, 393 Middle Huaxia Rd, Pudong New District, Shanghai 201210, China.
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Wang YS, Tao H, Wang HB, Wang F, Dong WL. [A preliminary study on optical coherence tomography of the lacrimal punctum in normal adults]. Zhonghua Yan Ke Za Zhi 2019; 55:695-699. [PMID: 31495155 DOI: 10.3760/cma.j.issn.0412-4081.2019.09.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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 imaging characteristics and accumulate data of optical coherence tomography (OCT) of the lacrimal punctum in normal adults. Methods: From September to November 2018, 59 healthy adults (90 eyes) with normal lacrimal punctum structure were enrolled in this cross-sectional study conducted at the Lacrimal Center of Ophthalmology, Third Medical Center of PLA General Hospital, including 21 males (34 eyes) and 38 females (56 eyes), aged 18-65 years. All the subjects were examined by slit lamp microscopy to measure the maximum transverse diameter. OCT was performed to observe the inferior lacrimal punctum, including the external punctal diameter, the punctal diameter at 100 μm and 200 μm depth. The difference in the diameter of different parts of the punctum was analyzed. Independent sample t test and single factor analysis of variance were used for statistical analysis. Results: In normal adults, the maximum transverse diameter under a slit lamp was (545.6±149.3) μm, the external punctal diameter on OCT images was (548.4±130.5) μm, and the punctal width at 100 μm and 200 μm depth on OCT images was (262.8±120.8) μm and (179.2±110.0) μm, respectively. There was no significant difference between the maximum transverse diameter of the punctum under a slit lamp microscope and the OCT outer diameter of the punctum (t=0.133, P=0.894). There were significant differences between the diameter of the lacrimal punctum in the different scanning sites of the OCT (F=213.237, P<0.01). There was significant difference between the punctal width at 100 μm and the external punctal diameter on OCT images (t=15.229, P<0.01). There was significant difference between the punctal width at 200 μm and the external punctal diameter on OCT images (t=20.517, P<0.01). There was significant difference between the punctal width at 100 μm and 200 μm depth on OCT images (t=4.855, P<0.01). Conclusion: The width of different parts of the lacrimal punctum in healthy adults is different on OCT images, and the punctal width at 200 μm depth is the narrowest. (Chin J Ophthalmol, 2019, 55: 695-699).
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Affiliation(s)
- Y S Wang
- Lacrimal Center of Ophthalmology, Third Medical Center of PLA General Hospital, Beijing 100039, China (working at Department of Ophthalmology, Affiliated Hospital of Chengde Medical College, Chengde 067000, China)
| | - H Tao
- Lacrimal Center of Ophthalmology, Third Medical Center of PLA General Hospital, Beijing 100039, China
| | - H B Wang
- Department of Ophthalmology, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - F Wang
- Lacrimal Center of Ophthalmology, Third Medical Center of PLA General Hospital, Beijing 100039, China
| | - W L Dong
- Department of Ophthalmology, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
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Wang J, Zhang Z, Zhang F, Song Q, Zhang L, Liu Z, Ma J, Yan X, Wang L, Tao H, Zhang S, Li X, Zhi X, Hu Y, Jiao S. Efficacy and safety of anti-PD-1 antibody SHR-1210 combined with apatinib in first-line treatment for advanced lung squamous carcinoma: A phase II study. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz437.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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36
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Xu Y, Wang Y, Wang Y, Liu K, Peng Y, Yao D, Tao H, Liu H, Song G. Mutagenesis facilitated crystallization of GLP-1R. IUCrJ 2019; 6:996-1006. [PMID: 31709055 PMCID: PMC6830218 DOI: 10.1107/s2052252519013496] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 10/01/2019] [Indexed: 06/03/2023]
Abstract
The class B family of G-protein-coupled receptors (GPCRs) has long been a paradigm for peptide hormone recognition and signal transduction. One class B GPCR, the glucagon-like peptide-1 receptor (GLP-1R), has been considered as an anti-diabetes drug target and there are several peptidic drugs available for the treatment of this overwhelming disease. The previously determined structures of inactive GLP-1R in complex with two negative allosteric modulators include ten thermal-stabilizing mutations that were selected from a total of 98 designed mutations. Here we systematically summarize all 98 mutations we have tested and the results suggest that the mutagenesis strategy that strengthens inter-helical hydro-phobic interactions shows the highest success rate. We further investigate four back mutations by thermal-shift assay, crystallization and molecular dynamic simulations, and conclude that mutation I1962.66bF increases thermal stability intrinsically and that mutation S2714.47bA decreases crystal packing entropy extrinsically, while mutations S1932.63bC and M2333.36bC may be dispensable since these two cysteines are not di-sulfide-linked. Our results indicate intrinsic connections between different regions of GPCR transmembrane helices and the current data suggest a general mutagenesis principle for structural determination of GPCRs and other membrane proteins.
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Affiliation(s)
- Yueming Xu
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai 200241, People’s Republic of China
| | - Yuxia Wang
- iHuman Institute, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, People’s Republic of China
| | - Yang Wang
- Complex Systems Division, Beijing Computational Science Research Center, Beijing 100193, People’s Republic of China
| | - Kaiwen Liu
- iHuman Institute, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, People’s Republic of China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, People’s Republic of China
| | - Yao Peng
- iHuman Institute, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, People’s Republic of China
| | - Deqiang Yao
- iHuman Institute, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, People’s Republic of China
| | - Houchao Tao
- iHuman Institute, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, People’s Republic of China
| | - Haiguang Liu
- Complex Systems Division, Beijing Computational Science Research Center, Beijing 100193, People’s Republic of China
| | - Gaojie Song
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai 200241, People’s Republic of China
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Zhou F, Ding K, Zhou Y, Liu Y, Liu X, Zhao F, Wu Y, Zhang X, Tan Q, Xu F, Tan W, Xiao Y, Zhao S, Tao H. Colocalization Strategy Unveils an Underside Binding Site in the Transmembrane Domain of Smoothened Receptor. J Med Chem 2019; 62:9983-9989. [PMID: 31408335 DOI: 10.1021/acs.jmedchem.9b00283] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We unveiled an underside binding site on smoothened receptor (SMO) by a colocalization strategy using two structurally complementary photoaffinity probes derived from a known ligand Allo-1. Docking study and structural dissection identified key interactions within the site, including hydrogen bonding, π-π interactions, and hydrophobic interactions between Allo-1 and its contacting residues. Taken together, our results reveal the molecular base of Allo-1 binding and provide a basis for the design of new-generation ligands to overcome drug resistance.
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Affiliation(s)
- Fang Zhou
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China.,Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 555 Zuchongzhi Road, Building 3, Room 426 , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China.,School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Kang Ding
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China.,Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology , Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200031 , China.,University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China.,School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Yiqing Zhou
- CAS Key Laboratory of Synthetic Biology, Institute of Plant Physiology and Ecology , Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200032 , China.,School of Biotechnology and Food Engineering , Changshu Institute of Technology , Suzhou , Jiangsu 215500 , China
| | - Yang Liu
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China
| | - Xiaoyan Liu
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China
| | - Fei Zhao
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China
| | - Yiran Wu
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China
| | - Xianjun Zhang
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China.,University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China.,School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China.,Institute of Biochemistry and Cell Biology , Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200031 , China
| | - Qiwen Tan
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China
| | - Fei Xu
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China.,School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Wenfu Tan
- Department of Pharmacology, School of Pharmacy , Fudan University , Shanghai 201203 , China
| | - Youli Xiao
- CAS Key Laboratory of Synthetic Biology, Institute of Plant Physiology and Ecology , Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200032 , China.,University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China
| | - Suwen Zhao
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China.,School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Houchao Tao
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Pudong New District, Shanghai 201210 , China
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Qun W, Jingnan Z, Hong L, Mengling L, Xiaohui L, Zhichao Y, Tao H, Pengyu W. Mesoporous TiO 2/carbon catalytic ozonation for degradation of p-chloronitrobenzene. Water Sci Technol 2019; 80:902-910. [PMID: 31746797 DOI: 10.2166/wst.2019.331] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In this study, a mesoporous TiO2/carbon catalyst (TiO2/C) was prepared by a facile impregnation-carbonization approach to catalyze ozonation of p-chloronitrobenzene (p-CNB). The catalyst was well characterized and the catalytic efficiency under various conditions was systematically evaluated. TiO2/C has a disordered mesostructure with a high specific surface area. 92.8% of p-CNB (2 μmol/L) can be degraded within 20 min in the TiO2/C/O3 system in the presence of 1 mg/L O3, 100 mg/L catalyst, at pH = 5. Based on the evaluation of the effect of basic parameters, it could be deduced that the removal of p-CNB relied on the synthetic effect of catalysis by TiO2/C and the autocatalytic induction of p-CNB. The removal efficiency of p-CNB, the structure change and the leaching of Ti ions were also evaluated in five cycles, indicating TiO2/C is stable and recyclable for catalytic ozonation in water treatment.
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Affiliation(s)
- W Qun
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
| | - Z Jingnan
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
| | - L Hong
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China and Sichuan Ecological and Environmental Monitoring Center, Chengdu 610091, China
| | - L Mengling
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
| | - L Xiaohui
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, P.R. China
| | - Y Zhichao
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, 210023 Nanjing, China E-mail:
| | - H Tao
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
| | - W Pengyu
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
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Xue D, Xu T, Wang H, Wu M, Yuan Y, Wang W, Tan Q, Zhao F, Zhou F, Hu T, Jiang Z, Liu Z, Zhao S, Liu D, Wüthrich K, Tao H. Disulfide‐Containing Detergents (DCDs) for the Structural Biology of Membrane Proteins. Chemistry 2019; 25:11635-11640. [DOI: 10.1002/chem.201903190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Indexed: 01/08/2023]
Affiliation(s)
- Dongxiang Xue
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 China
- University of Chinese Academy of Sciences No. 19A, Yuquan Road Beijing 100049 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
| | - Tiandan Xu
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- University of Chinese Academy of Sciences No. 19A, Yuquan Road Beijing 100049 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
- CAS Center for Excellence in Molecular Cell Science Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Sciences Shanghai 200031 China
| | - Huixia Wang
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- University of Chinese Academy of Sciences No. 19A, Yuquan Road Beijing 100049 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
- CAS Center for Excellence in Molecular Cell Science Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Sciences Shanghai 200031 China
| | - Meng Wu
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- University of Chinese Academy of Sciences No. 19A, Yuquan Road Beijing 100049 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
- CAS Center for Excellence in Molecular Cell Science Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Sciences Shanghai 200031 China
| | - Ya Yuan
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
| | - Wei Wang
- Hubei Province Engineering and Technology Research Center, for Fluorinated Pharmaceuticals School of Pharmaceutical Sciences Wuhan University Wuhan 430071 China
| | - Qiwen Tan
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
| | - Fei Zhao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
| | - Fang Zhou
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 China
- University of Chinese Academy of Sciences No. 19A, Yuquan Road Beijing 100049 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
| | - Tao Hu
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- University of Chinese Academy of Sciences No. 19A, Yuquan Road Beijing 100049 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
- CAS Center for Excellence in Molecular Cell Science Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Sciences Shanghai 200031 China
| | - Zhongxing Jiang
- Hubei Province Engineering and Technology Research Center, for Fluorinated Pharmaceuticals School of Pharmaceutical Sciences Wuhan University Wuhan 430071 China
| | - Zhi‐Jie Liu
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
| | - Suwen Zhao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
| | - Dongsheng Liu
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
| | - Kurt Wüthrich
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
- School of Life Science and Technology ShanghaiTech University Shanghai 201210 China
| | - Houchao Tao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Road Pudong New District Shanghai 201210 China
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Liao Y, Wu F, Hou DL, Wu YL, Tao H, Li CT, Wan HJ. Application of Multiple Genetic Markers in Determination of Full and Half Sibling Relationship: A Case Report. Fa Yi Xue Za Zhi 2019; 35:319-323. [PMID: 31282628 DOI: 10.12116/j.issn.1004-5619.2019.03.011] [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: 10/19/2017] [Indexed: 11/30/2022]
Abstract
Abstract Objective To investigate the application of the comprehensive use of multiple genetic markers in full and half sibling relationship testing through the identification of a case of suspected sibling relationship. Methods Genomic DNA were extracted from bloodstain samples from 4 subjects (ZHANG-1, ZHANG-2, male; ZHANG-3, ZHANG-4, female). Autosomal STR loci, X-STR, Y-STR loci and polymorphisms of mtDNA HV-Ⅰ and Ⅱwere genotyped by EX20 STR kit, X19 kit, Data Y24 STR kit, and Sanger sequencing, respectively. Results According to autosomal STR based IBS scoring results, full sibling relationships were indicated among ZHANG-2, ZHANG-3 and ZHANG-4, but those were not indicated between ZHANG-1 and ZHANG-2 or ZHANG-3 or ZHANG-4. According to autosomal STR based FSI and HSI, with ITO method and discriminant function method, full sibling relationships among ZHANG-2, ZHANG-3 and ZHANG-4 were indicated, and half sibling relationships between ZHANG-1 and ZHANG-2 or ZHANG-3 or ZHANG-4 were also indicated. X-STR and mtDNA sequencing results showed that all the 4 samples came from a same maternal line, and Y-STR results showed that ZHANG-1 and ZHANG-2 did not come from a same paternal line, which supported the half sibling relationship between ZHANG-1 and ZHANG-2 or ZHANG-3 or ZHANG-4, verified by parental genotype reconstruction based on autosomal STR genotyping. Conclusion For the identification of sibling relationships, it is effective to have reliable results with the mutual verification and support of multiple genetic markers (autosomal STR, sex chromosomal STR and mtDNA sequence) and calculations (IBS, ITO, discriminant function method and family reconstruction).
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Affiliation(s)
- Y Liao
- Institute of Sichuan Genegle Forensic Identification, Chengdu 610041, China
| | - F Wu
- Institute of Sichuan Genegle Forensic Identification, Chengdu 610041, China
| | - D L Hou
- Institute of Sichuan Genegle Forensic Identification, Chengdu 610041, China
| | - Y L Wu
- Institute of Sichuan Genegle Forensic Identification, Chengdu 610041, China
| | - H Tao
- Institute of Sichuan Genegle Forensic Identification, Chengdu 610041, China
| | - C T Li
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - H J Wan
- Institute of Sichuan Genegle Forensic Identification, Chengdu 610041, China
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Xue D, Wang J, Song X, Wang W, Hu T, Ye L, Liu Y, Zhou Q, Zhou F, Jiang ZX, Liu ZJ, Tao H. A Chemical Strategy for Amphiphile Replacement in Membrane Protein Research. Langmuir 2019; 35:4319-4327. [PMID: 30781953 DOI: 10.1021/acs.langmuir.8b04072] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Membrane mimics are indispensable tools in the structural and functional understanding of membrane proteins (MPs). Given stringent requirements of integral MP manipulations, amphiphile replacement is often required in sample preparation for various biophysical purposes. Current protocols generally rely on physical methodologies and rarely reach complete replacement. In comparison, we report herein a chemical alternative that facilitates the exhaustive exchange of membrane-mimicking systems for MP reconstitution. This method, named sacrifice-replacement strategy, was enabled by a class of chemically cleavable detergents (CCDs), derived from the disulfide incorporation in the traditional detergent n-dodecyl-β-d-maltopyranoside. The representative CCD behaved well in both solubilizing the diverse α-helical human G protein-coupled receptors and refolding of the β-barrel bacterial outer membrane protein X, and more importantly, it could also be readily degraded under mild conditions. By this means, the A2A adenosine receptor was successfully reconstituted into a series of commercial detergents for stabilization screening and nanodiscs for electron microscopy analysis. Featured by the simplicity and compatibility, this CCD-mediated strategy would later find more applications when being integrated in other biophysics studies.
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Affiliation(s)
- Dongxiang Xue
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
- University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China
- School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Jingjing Wang
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
- University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China
- School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
- Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences , Chinese Academy of Sciences , Shanghai 200031 , China
| | - Xiyong Song
- University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China
- National Laboratory of Biomacromolecules, Institute of Biophysics , Chinese Academy of Sciences , Beijing 100101 , China
| | - Wei Wang
- Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
| | - Tao Hu
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
- University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China
- School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Lintao Ye
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
| | - Yang Liu
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
| | - Qingtong Zhou
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
| | - Fang Zhou
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
- Shanghai Institute of Materia Medica , Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
- University of Chinese Academy of Sciences , No. 19A, Yuquan Road , Beijing 100049 , China
- School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Zhong-Xing Jiang
- Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences , Wuhan University , Wuhan 430071 , China
| | - Zhi-Jie Liu
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
- School of Life Science and Technology , ShanghaiTech University , Shanghai 201210 , China
| | - Houchao Tao
- iHuman Institute , ShanghaiTech University , Ren Building, 393 Middle Huaxia Road , Shanghai 201210 , China
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Liu C, Dou J, Sheng Y, Wu J, Hu W, Li Y, Lin Y, Tao H, Tang X, Du X, Yu C. Abstract P1-02-10: Early stage breast cancer screening using an emerging novel liquid biopsy screening technology. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-02-10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: An emerging novel liquid biopsy technology called Cancer Differentiation Analysis (CDA) has been evaluated as a viable early stage breast cancer screening tool. CDA technology is a blood-sample based, multi-level, multi-parameter diagnostic method which detects signals from both protein, cellular, and to some extent, molecular levels, in which multiple aspects of information can be collected to improve diagnostic accuracy, even for early stage of cancer. Improving capability to screen breast cancer is an important on-going research effort, as breast cancer represents a leading cancer with high incidence rate.
Methods: In this single-blind study, 22 breast cancer patients and 25 healthy individuals were recruited at Changhai Hospital of Shanghai. Histopathological examination results of breast cancer patients were collected, 22 cases were diagnosed as infiltrating ductal carcinoma of breast, of which 10 patients were stage I breast cancer. 25 individuals were confirmed healthy after physical examinations. Peripheral blood was drawn in EDTA tubes For CDA tests. CDA data of 22 breast cancer patients and 25 healthy individuals were conducted using SPSS, and the results were shown in the table below.
Results: The average CDA of breast cancer, stageIbreast cancer, and controls were 43.20, 44.17 and 36.17 (rel. units) respectively as shown in Table 1. Both breast cancer and stage I breast cancer could be significantly distinguished from the control (p = 0.000, p = 0.001, respectively). For stage I breast cancer vs. control group, Area under ROC curve was 0.876, sensitivity and specificity were both 80.0% (Table 2). In contrast to traditional breast cancer screening methodologies which have relatively low sensitivity and high false positives for stage I detection, often with radiation side effects and high costs, advantages of CDA technology include ability to detect early stage cancer with relatively high sensitivity and specificity, and it is also highly cost effective without side effects.
Conclusions: Initial results showed that CDA technology could effectively distinguish stageIbreast cancer from healthy individuals, CDA could be a potential candidate for breast cancer screening.
Table 1Summary of CDA test resultsGroupSample SizeAge RangeAge MeanAge MedianCDA Mean (rel. units)CDA Median (rel. units)CDA STDEVControl2523 - 67413735.6336.176.98Breast Cancer2239 - 78545343.2042.304.18Stage I Breast Cancer1043 - 78595944.1743.254.29Stage II Breast Cancer839 - 55474941.2840.303.06Stage III Breast Cancer255555542.2042.202.12Stage IV Breast Cancer251 - 64585847.0047.007.78
Table 2AUC, Sensitivity and Specificity of Control vs. Stage I breast cancerStage I Breast Cancer vs. ControlArea Under the CurveSensitivitySpecificity 0.87680.0%80.0%
Citation Format: Liu C, Dou J, Sheng Y, Wu J, Hu W, Li Y, Lin Y, Tao H, Tang X, Du X, Yu C. Early stage breast cancer screening using an emerging novel liquid biopsy screening technology [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P1-02-10.
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Affiliation(s)
- C Liu
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - J Dou
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - Y Sheng
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - J Wu
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - W Hu
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - Y Li
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - Y Lin
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - H Tao
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - X Tang
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - X Du
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - C Yu
- Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Bio-Medical Science Co., Ltd., Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
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Tao H, Lin Y, Liu C, Dou J, Sheng Y, Wu J, Hu W, Li Y, Tang X, Yu C, Du X. Abstract P1-02-09: CDA screening technology for multi-ethnic group, early stage breast cancer screening. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-02-09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Breast cancer is the second leading cause of death from cancer in American women. Current breast cancer screening technologies have issues with poor sensitivity for early stage breast cancer, high false positives, radiation side effects, etc. Cancer Differentiation Analysis (CDA) technology is a blood-sample based, multi-level, multi-parameter diagnostic method which detects signals from both proteins, cells, and to some extent, molecular level, in which multiple aspects of information are collected to improve diagnostic accuracy. CDA technology has been investigated as a viable clinical utility in breast cancer screening, particularly for early stage breast screening with clear advantages (both whole blood and serum can be used, ability to detect early, easy, simple, no side effects, and high degree of sensitivity and specificity).
Methods: In this study, the human subjects involved are Caucasians, with serum samples of 44 pathologically confirmed breast cancer patients and 34 healthy individuals from 3 blood bank centers in the USA, of which 40 cases were stageIbreast cancer, 2 cases were stageII, and the other 2 cases were stage III breast cancer. CDA data of 44 breast cancer patients and 34 healthy individuals were collected in US lab and analyzed using SPSS, and the results were shown in the table below. Results from the above study was compared with a clinical study on Asian group with data collected in lab in China using CDA technology.
Results: The average CDA value of all breast cancer and stageIbreast cancer samples, and controls were 45.99, 45.76 and 42.36 (rel. units) respectively (see Table 1). Both breast cancer and stageIbreast cancer could be significantly distinguished from the control group (p < 0.001) (Table 2). For stageIbreast cancer vs. control group, Area under ROC curve was 0.727, sensitivity and specificity were 62.5% and 82.4% respectively, which is higher than a typical mammogram. To compare with different ethnic groups, data collected on an Asian group is also shown in Table 2, which showed that overall, AUC, sensitivity and specificity are comparable (some difference may be attributed to sample type difference (whole blood vs. serum)) for early stage breast cancer patients for those two ethnic groups, demonstrating that CDA technology can be extended to multiple ethnic groups.
Conclusions: CDA screening can be extended to different ethnic group including Caucasian and Asian with good sensitivity and specificity for stageIbreast cancer.
We thank Ugur Basmaci, Sunsil Pandit and Sharon Vorse-Yu for their support.
Table 1Summary of CDA Test ResultsGroupSample SizeAge RangeAge MeanAge MedianCDA Mean (rel. units)CDA Median (rel. units)CDA STDEVControl3436 -79575742.3642.652.75Breast Cancer4436 – 77606145.9946.504.22Stage I Breast Cancer4036 – 77606145.7645.554.26Stage II Breast Cancer251 – 64585847.0547.054.88Stage III Breast Cancer262 – 75696949.5049.502.55
Table 2AUC, Sensitivity and Specificity of Control vs. Stage I Breast CancerStage I Breast Cancer vs. ControlArea Under the CurveSensitivitySpecificityCaucasian (Stage I)0.72762.5%82.4%Asian# (Stage I)0.87680.0%80.0%# Whole blood samples. 10 stage I breast cancer samples and 25 control samples
Citation Format: Tao H, Lin Y, Liu C, Dou J, Sheng Y, Wu J, Hu W, Li Y, Tang X, Yu C, Du X. CDA screening technology for multi-ethnic group, early stage breast cancer screening [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P1-02-09.
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Affiliation(s)
- H Tao
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - Y Lin
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - C Liu
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - J Dou
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - Y Sheng
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - J Wu
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - W Hu
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - Y Li
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - X Tang
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - C Yu
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
| | - X Du
- Anpac Bio-Medical Science Co., Ltd, Shanghai, China; Changhai Hospital, Naval Medical University, Shanghai, China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China; Anpac Technology USA Co., Ltd., San Jose, CA
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Wang B, Zhang Z, Tang J, Tao H, Zhang Z. Correlation between SPARC, TGFβ1, Endoglin and angiogenesis mechanism in lung cancer. J BIOL REG HOMEOS AG 2018; 32:1525-1531. [PMID: 30574760] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
To study the relationship between Secreted protein, acidic and rich in cysteine (SPARC), Transforming growth factorβ1 (TGFβ1), Endoglin and angiogenesis in lung cancer, 40 cases of lung cancer specimens and 40 adjacent normal lung tissues specimens were collected and 10 cases from each were selected for preparation of tissue chip. CD34 (endothelial cell marker), Endoglin human α-Smooth muscle actin, and (α-SMA) markers were performed by immunohistochemical staining, and the immuno-phenotype and the relationship between different morphologies of the microvascular wall components were evaluated. The expression of SPARC mRNA and protein, TGFβ1 mRNA and protein and Endoglin in the remaining 30 cases of lung cancer were detected by immunohistochemistry and in-situ hybridization. The result shows that the positive rates of SPARC, TGFβ1 and Endoglin in lung cancer tissues were significantly higher than those in adjacent normal lung tissues (P less than 0.05). The expression of SPARC and TGFβ1 was negatively correlated with lung cancer. When the positive expression of SPARC increased, the micro-vessel density (MVD) marked by Endoglin decreased gradually; while the positive expression of TGFβ1 increased, MVD increased gradually, and SPARC, TGFβ1 and MVD were correlated (P less than0.05). High SPARC mRNA expression in lung cancer tissues could inhibit the progression of lung cancer, while high TGFβ1 mRNA expression can promote the progression of lung cancer and participate in the metastasis of lung cancer. To sum up, the angiogenesis of lung cancer may be related to the interaction of SPARC, TGFβ1 and Endoglin.
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Affiliation(s)
- B Wang
- Department of Respiratory Medicine, First Affiliated Hospital of Hebei Northern College, Zhangjiakou City, Hebei, China
| | - Z Zhang
- Department of Radiotherapy, First Affiliated Hospital of Hebei Northern College, Zhangjiakou City, Hebei, China
| | - J Tang
- Department of Clinical Pharmacology, First Affiliated Hospital of Hebei Northern College, Zhangjiakou City, Hebei, China
| | - H Tao
- Department of Respiratory Medicine, First Affiliated Hospital of Hebei Northern College, Zhangjiakou City, Hebei, China
| | - Z Zhang
- Department of Respiratory Medicine, First Affiliated Hospital of Hebei Northern College, Zhangjiakou City, Hebei, China
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Kawata K, Funatsu N, Tao H, Okabe K. P2.06-18 Comparison of Extubation Time of Pleulectomy/Decortication with Lobectomy Under General Anesthesia Using Desflurane. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Su G, Zhang T, Yang HX, Zhou Y, Tian L, D WL, Tao H, Wang T, Mi SH. 1352Relationship between urinary 8-iso-prostaglandin f2a and vulnerability of coronary culprit lesions in diabetic patients with acute coronary syndrome. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.1352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- G Su
- Beijing Anzhen Hospital, Cardiology, Beijing, China People's Republic of
| | - T Zhang
- Beijing Anzhen Hospital, Cardiology, Beijing, China People's Republic of
| | - H X Yang
- Beijing Anzhen Hospital, Cardiology, Beijing, China People's Republic of
| | - Y Zhou
- Beijing Anzhen Hospital, Cardiology, Beijing, China People's Republic of
| | - L Tian
- Beijing Anzhen Hospital, Cardiology, Beijing, China People's Republic of
| | - W L D
- Beijing Anzhen Hospital, Cardiology, Beijing, China People's Republic of
| | - H Tao
- Beijing Anzhen Hospital, Endocrinology, Beijing, China People's Republic of
| | - T Wang
- China PLA General Hospital, Thoracic Surgery, Beijing, China People's Republic of
| | - S H Mi
- Beijing Anzhen Hospital, Cardiology, Beijing, China People's Republic of
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47
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Shi L, Liu Z, Tang J, Wu H, Guo L, Li M, Tong L, Wu W, Tao H, Wu W. 142PD Detection of EGFR mutations in cerebrospinal fluid of EGFR-mutant lung adenocarcinoma with brain metastases. J Thorac Oncol 2018. [DOI: 10.1016/s1556-0864(18)30416-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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48
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Okabe K, Tao H, Hayashi M, Furukawa M, Miyazaki R, Murakami D, Hara A. P3.09-005 The Results of Trimodality Treatment Strategy for Malignant Pleural Mesothelioma. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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49
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Higashi M, Onoda H, Kunihiro Y, Tao H, Okabe K, Matsumoto T. P3.13-013 Association of Pleural Tags with Visceral Pleural Invasion of Peripheral Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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50
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Tao H, Onoda H, Hayashi M, Hara A, Miyazaki R, Murakami D, Furukawa M, Okabe K. P1.05-003 Impact of Coexisting Pulmonary Diseases on Oncological Outcomes of Patients with pStage I Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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