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Xiao B, Landesman-Bollag E, Feng H. What value do zebrafish have to anticancer drug discovery? Expert Opin Drug Discov 2024; 19:369-375. [PMID: 38327017 PMCID: PMC10950524 DOI: 10.1080/17460441.2024.2313454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 01/30/2024] [Indexed: 02/09/2024]
Affiliation(s)
- Boyuan Xiao
- Department of Pharmacology, Physiology & Biophysics, Cancer Research Center, Boston University Chobanian & Avedisian School of Medicine, Boston, USA
| | - Esther Landesman-Bollag
- Department of Medicine, Section of Hematology and Medical Oncology, Boston University Chobanian & Avedisian School of Medicine, Boston, USA
| | - Hui Feng
- Department of Pharmacology, Physiology & Biophysics, Cancer Research Center, Boston University Chobanian & Avedisian School of Medicine, Boston, USA
- Department of Medicine, Section of Hematology and Medical Oncology, Boston University Chobanian & Avedisian School of Medicine, Boston, USA
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Rampam S, Carnino JM, Xiao B, Khan RR, Miyawaki S, Goh GS. Extracellular Vesicles: An Emerging Clinical Opportunity in Musculoskeletal Disease. Tissue Eng Part B Rev 2023. [PMID: 37930727 DOI: 10.1089/ten.teb.2023.0208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Extracellular vesicles (EVs) are important mediators of cell-to-cell communication in the extracellular space. These membranous nanoparticles carry various molecules, often referred to as "cargo," which are delivered to nearby target cells. In the past decade, developments in nanotechnology have allowed for various new laboratory techniques for the increased utilization of EVs in cellular and animal studies. Such techniques have evolved for the isolation, characterization, and delivery of EVs to biological tissues. This emerging technology has immense clinical potential for both diagnostic and therapeutic applications. Various EV cargo molecules, including DNA, RNA, and proteins, can act as pathological biomarkers. Furthermore, EVs derived from certain cell sources have shown therapeutic benefit in certain pathologies. In addition to their native therapeutic benefit, EVs can be engineered to carry and selectively deliver therapeutic agents. While EVs have gained increasing interest in various pathologies, few studies have compiled their clinical potential in musculoskeletal pathologies. To bridge this gap, we present an overview of EVs, introduce current laboratory preparation techniques, and outline the most recent literature regarding the potential therapeutic applications of EVs in musculoskeletal pathologies.
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Affiliation(s)
- Sanjeev Rampam
- Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Jonathan M Carnino
- Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Boyuan Xiao
- Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Rehan R Khan
- Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Steven Miyawaki
- Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Graham S Goh
- Department of Orthopaedic Surgery, Boston University Medical Center, Boston, Massachusetts, USA
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Xu H, Fu S, Su R, Liu P, Zhang S, Lu Z, Xiao B, Wang R, Song C, Zeng F, Wang W, Pan F. SAW Filters on LiNbO 3/SiC Heterostructure for 5G n77 and n78 Band Applications. IEEE Trans Ultrason Ferroelectr Freq Control 2023; 70:1157-1169. [PMID: 37506008 DOI: 10.1109/tuffc.2023.3299635] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
The 5G communication system has experienced a substantial expansion of the spectrum, which poses higher requirements to radio frequency (RF) filters in enhancing their operating frequencies and bandwidths. To this end, this work focused on solving the filtering scheme for challenging 5G n77 and n78 bands and successfully implemented the corresponding spurious-free surface acoustic wave (SAW) filters exploiting large-coupling shear horizontal (SH) modes based on X-cut LiNbO3 (LN)/silicon carbide (SiC) heterostructure. Here, we initially investigated the suppression methods for spurious modes theoretically and experimentally and summarized an effective normalized LN thickness ( [Formula: see text] range of 0.15-0.30 for mitigating Rayleigh modes and higher order modes, as well as tilted interdigital transducers (IDT) by about 24° for eliminating transverse modes. Resonators with wavelengths ( λ) from 0.95 to [Formula: see text] were also fabricated, showing a scalable resonance from 2.48 to 4.21 GHz without any in-band ripple. Two filters completely meeting 5G n77 and n78 full bands were finally constructed, showing center frequencies ( fc) of 3763 and 3560 MHz, 3-dB fractional bandwidths (FBW) of 24.8% and 15.6%, and out-of-band (OoB) rejections of 18.7 and 28.1 dB, respectively. This work reveals that X-LN/SiC heterostructure is a promising underpinning material for SAW filters in 5G commercial applications.
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Shi HX, Su SB, Liu M, Li RZ, Wang TJ, Xiao B. [Analysis of verification results of protective effects of hearing protectors in different industries]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2023; 41:333-337. [PMID: 37248077 DOI: 10.3760/cma.j.cn121094-20211026-00516] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Objective: To get insight into the current practice of noise reduction effect of workers as they wore hearing protectors in different domestic enterprises and the possible affected factors. Methods: From October 2020 to April 2021, using a random sampling method, 1197 workers exposed to noise in petrochemical factories, textile factories, and parts manufacturing factories were selected as the study subjects. The noise reduction effect of hearing protectors worn by workers in daily use was tested using a hearing protector suitability testing system. The personal sound attenuation level (PAR) was compared among workers in three enterprises, Targeted intervention and repetitive testing were conducted for workers who did not meet the noise reduction effect required by the enterprise, and the changes in PAR of workers before and after the intervention were compared. The comparison of baseline PARs between two or more groups was performed using the Mann Whitney test, the comparison of baseline PARs with post intervention PARs was performed using the Wilcoxon signed rank sum test, and the comparison of qualitative data between two or more groups was performed using the Chi square test. Results: The median baseline PAR for all workers was 15 dB. Men, age<30 years old, education level at or above college level, working experience of 5 to 15 years, and those who used hearing protectors for 5 to 15 years had higher PARs, with statistically significant differences (P<0.05). The median difference in baseline PAR among workers from three enterprises was statistically significant (H=175.06, P<0.01). The median PAR of subjects who did not pass the baseline increased from 3 dB to 21 dB after intervention (Z=-27.92, P<0.01) . Conclusion: Some workers wearing hearing protectors do not meet the required PAR, and low PARs may be related to incorrect wearing methods and incorrect selection of hearing protectors. As a tool for testing, training, and assisting in selection, the hearing protector suitability testing system is of great significance for worker hearing protection.
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Affiliation(s)
- H X Shi
- Guangdong Province Hospital for Occuaptional Diseasse Prevention and Treatment, Guangzhou 510300, China School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - S B Su
- Guangdong Province Hospital for Occuaptional Diseasse Prevention and Treatment, Guangzhou 510300, China
| | - M Liu
- Guangdong Province Hospital for Occuaptional Diseasse Prevention and Treatment, Guangzhou 510300, China
| | - R Z Li
- Guangdong Province Hospital for Occuaptional Diseasse Prevention and Treatment, Guangzhou 510300, China
| | - T J Wang
- Guangdong Province Hospital for Occuaptional Diseasse Prevention and Treatment, Guangzhou 510300, China
| | - B Xiao
- Guangdong Province Hospital for Occuaptional Diseasse Prevention and Treatment, Guangzhou 510300, China
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Xu GY, Lai MZ, Zhang DY, Yan H, Yan MS, Xiao B. [Inter-laboratory comparison analysis of noise measurement in 91 occupational hygiene technical service organizations]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2022; 40:821-825. [PMID: 36510715 DOI: 10.3760/cma.j.cn121094-20210514-00250] [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: 12/15/2022]
Abstract
Objective: To understand the comparability of noise measurement results of various occupational hygiene technical service organizations in Guangdong Province by conducting inter-laboratory comparison of measuring instruments and personnel operation. Methods: In October 2020, the instrument comparison and personnel comparison among 91 occupational hygiene technical service organizations engaged in noise measurement in Guangdong Province were carried out in the form of fixed-point measurement and simulated workplace measurement, and the results were analyzed and evaluated by using the robust z-ratio score. Results: In the instrument comparison, 6 organizations had 1 or 2 outliers in their z-ratio scores, 2 organizations had 2 problematic values in their z-ratio scores, and a total of 8 organizations (accounting for 8.8%) were judged as unqualified; A total of 83 organizations (accounting for 91.2%) with satisfactory z-ratio scores or only one problematic value were judged as qualified. In the personnel comparison, there were 11 organizations with 1 or 2 outliers in the z-ratio score, and 1 organization with 2 problematic values in the z-ratio score. A total of 12 organizations (13.2%) were judged as unqualified and 79 organizations (accounting for 86.8%) with satisfactory z-ratio scores or only one problematic value were judged as qualified. Through comprehensive judgment, 20 organizations (22.0%) were judged as unqualified, and 71 organizations (78.0%) were judged as qualified. There was no statistically significant difference in the qualified rates of instrument comparison results, personnel comparison results and comprehensive evaluation results of non-private organizations and private organizations (P>0.05). There was no significant difference in the qualified rates of instrument comparison results and comprehensive evaluation results of qualified organizations and unqualified organizations (P>0.05), there was significant difference in the qualified rate of personnel comparison results (P<0.05) . Conclusion: The noise measurement results of some occupational health technical service organizations in Guangdong Province are generally comparable. To carry out inter-laboratory comparison of noise instrument performance and personnel operation ability of occupational hygiene technical service organizations, can comprehensively evaluate the testing process of each organization and find out the problems existing in each organization.
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Affiliation(s)
- G Y Xu
- Institate of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - M Z Lai
- Institate of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - D Y Zhang
- Institate of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - H Yan
- Institate of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - M S Yan
- Institate of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - B Xiao
- Institate of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
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Zheng WQ, Duan Y, Xiao B, Liang LL, Xia Y, Gong ZW, Sun Y, Zhang HW, Han LS, Wang RF, Yang Y, Zhan X, Yu YG, Gu XF, Qiu WJ. [Clinical and StAR genetic characteristics of 33 children with congenital lipoid adrenal hyperplasia]. Zhonghua Er Ke Za Zhi 2022; 60:1066-1071. [PMID: 36207855 DOI: 10.3760/cma.j.cn112140-20220322-00233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To analyze the clinical and genetic characteristics of 33 children with congenital lipoid adrenal hyperplasia (CLAH) caused by StAR gene defects. Methods: The clinical, biochemical, genetic, and follow-up (until December 2021) data of 33 children diagnosed with CLAH from 2006 to 2021 were retrospectively analyzed in Xinhua Hospital, Shanghai Jiao Tong University School of Medicine. Results: Of the 33 children with CLAH, 17 had a karyotype of 46, XX and 16 had a karyotype of 46, XY; 31 were female and 2 were male by social gender. Classic type and non-classic type were found in 30 and 3 children respectively. The age at diagnosis was 9.0 (3.0, 34.5) months. All the 30 cases with classic CLAH presented within the first year of life with skin hyperpigmentation (28 cases, 93%), vomiting and(or) diarrhea (19 cases, 63%), no increase in body weight (8 cases, 27%), elevated adrenocorticotropic hormone levels (21cases (70%)>275 pmol/L), decreased cortisol levels (47 (31,126) nmol/L), hyponatremia ((126±13) mmol/L), hyperkalemia ((5.7±1.1) mmol/L), and normal 17α-hydroxyprogesterone levels (30 cases, 100%). All these with classic CLAH exhibited female external genitalia. Three children with non-classic CLAH (including 2 cases of 46, XY and 1 case of 46, XX) also showed signs and symptoms of adrenal insufficiency, but 2 of them had an age of onset later than 1 year of age, including 1 case of 46, XY with male external genitalia and 1 case of 46, XX with female external genitalia. The other 46, XY patient with non-classic CLAH presented with adrenal insufficiency at 2 months of age, showing micropenis and hypospadias. In the 17 females with 46, XX, 4 older than 10 years of age showed spontaneous pubertal development. A total of 25 StAR gene pathogenic variants were identified in 33 patients, with p.Q258* (18/66, 27%), p.K236Tfs*47 (8/66, 12%) and p.Q77* (6/66, 9%) being the common variantion. Six novel variants were found, including c.358T>G, c.713_714del, c.125del, c.745-1G>A, c.179-2A>C, and exon 1 deletion. Conclusions: Patients with classic CLAH typically present with signs and symptoms of primary adrenal insufficiency in the early infancy period and female external genitalia. p.Q258*, p.K236Tfs*47 and p.Q77* are common variants in CLAH patients.
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Affiliation(s)
- W Q Zheng
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Y Duan
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - B Xiao
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - L L Liang
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Y Xia
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Z W Gong
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Y Sun
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - H W Zhang
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - L S Han
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - R F Wang
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Y Yang
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - X Zhan
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Y G Yu
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - X F Gu
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - W J Qiu
- Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
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Zhang Y, Liu S, Yang L, Liu Y, Wang C, Han Y, Xiao B, Yan D, Gong C, Wang F. 942P Camrelizumab combined with albumin paclitaxel and platinum in perioperative treatment of resectable squamous cell lung cancer: A single-arm, open-label, phase II clinical trial. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1067] [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: 11/01/2022] Open
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Chen HS, Yang Y, Ni J, Chen GF, Ji Y, Yi F, Zhang ZB, Wu J, Cai XL, Shao B, Wang JF, Liu YF, Geng DQ, Qu XH, Li XH, Wei Y, Han SG, Zhu RX, Ding JP, Lyu H, Huang YN, Huang YH, Xiao B, Gong T, Yu XF, Cui LY. [Effects of cinepazide maleate injection on blood pressure in patients with acute ischemic stroke and hypertension]. Zhonghua Nei Ke Za Zhi 2022; 61:916-920. [PMID: 35922216 DOI: 10.3760/cma.j.cn112138-20210822-00574] [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
Objective: To investigate the blood pressure change in patients with acute ischemic stroke (AIS) and hypertension treated with cinepazide maleate injection. Methods: This was a subgroup analysis of post-marketing clinical confirmation study of cinepazide maleate injection for acute ischemic stroke: a randomized, double-blinded, multicenter, placebo-parallel controlled trial, which conducted in China from August 2016 to February 2019. Eligible patients fulfilled the inclusive criteria of acute anterior circulation ischemic stroke with National Institutes of Health Stroke Scale (NIHSS) scores of 7-25. The primary endpoints were mean blood pressure of AIS patients treated with cinepazide maleate or control, which were assessed during the treatment period (14 days), and the proportion of the patients with normal blood pressure was analyzed after the treatment period. Furthermore, a subgroup analysis was performed to investigate a possible effect of the history of hypertension on outcomes. Results: This analysis included 809 patients with hypertension. There was no significant difference in patients blood pressure and the proportion of patients with normal blood pressure (60.5% vs. 59.0%,P>0.05) between cinepazide maleate group and control group. Conclusion: Administration of cinepazide maleate injection does not affect the management of clinical blood pressure in patients with AIS.
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Affiliation(s)
- H S Chen
- Department of Neurology, General Hospital of Northern Theater Command, Shenyang 110016, China
| | - Y Yang
- Department of Neurology, the First Bethune Hospital of Jilin University, Changchun 130021, China
| | - J Ni
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - G F Chen
- Department of Neurology, Xuzhou Central Hospital, Xuzhou 221009, China
| | - Y Ji
- Department of Neurology, Tianjin Huanhu Hospital, Tianjin 300350, China
| | - F Yi
- Department of Neurology, JiangXi PingXiang People's Hospital, Pingxiang 337055, China
| | - Z B Zhang
- Department of Neurology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - J Wu
- Department of Neurology, the Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - X L Cai
- Department of Neurology, Lishui Municipal Central Hospital, Lishui 323000, China
| | - B Shao
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - J F Wang
- Department of Neurology, Dalian Municipal Central Hospital, Dalian 116033, China
| | - Y F Liu
- Department of Neurology, Huangshi Central Hospital, Huangshi 435000, China
| | - D Q Geng
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - X H Qu
- Department of Neurology, Jiangxi Provincial People's Hospital, Nanchang 330006, China
| | - X H Li
- Department of Neurology, Jinan Central Hospital, Jinan 250013, China
| | - Y Wei
- Department of Neurology, Hengshui People's Hospital (Harrison International Peace Hospital), Hengshui 053000, China
| | - S G Han
- Department of Neurology, Meihekou City Central Hospital, Meihekou 135014, China
| | - R X Zhu
- Department of Neurology, Inner Mongolia People's Hospital, Hohhot 010017, China
| | - J P Ding
- Department of Neurology, Xuanwu Hospital Capital Medical University, Beijing 100053, China
| | - H Lyu
- Department of Neurology, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - Y N Huang
- Department of Neurology, Peking University First Hospital, Beijing 100034, China
| | - Y H Huang
- Department of Neurology, the Seventh Medical Center of the Chinese PLA General Hospital, Beijing 100700, China
| | - B Xiao
- Department of Neurology, Xiangya Hospital Central South University, Changsha 410008, China
| | - T Gong
- Department of Neurology, Beijing Hospital, Beijing 100730, China
| | - X F Yu
- Department of Neurology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - L Y Cui
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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Xiao B, Huang ZH, Jiang LB. [Prospects and reflections on the research and development of next-generation malaria vaccines]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2022; 33:555-556. [PMID: 35128882 DOI: 10.16250/j.32.1374.2021246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Vaccination is one of the most effective intervention for the containment and elimination of infectious diseases. Recently, the world's first malaria vaccine RTS, S/AS01 was approved by WHO for use among children living in moderately and highly malaria endemic areas of Africa, which brings a hope for the research and development of malaria vaccines. Here, we review the current status of malaria vaccines development and provide a perspective on the development of next-generation malaria vaccines, so as to provide insights into the successful development of malaria vaccines.
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Affiliation(s)
- B Xiao
- Key Laboratory of Molecular Virology and Immunology, Chinese Academy of Sciences; Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China
| | - Z H Huang
- Key Laboratory of Molecular Virology and Immunology, Chinese Academy of Sciences; Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China
| | - L B Jiang
- Key Laboratory of Molecular Virology and Immunology, Chinese Academy of Sciences; Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China
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Xiao B, Li J, Jiang JC, Zhang B, Ding H. Mechanism of CCL21/CCL19-CCR7 as a Key Regulatory Signaling Cassette for Non-Small Cell Lung Cancer Patients with Brain Metastasis. Indian J Pharm Sci 2022. [DOI: 10.36468/pharmaceutical-sciences.spl.574] [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: 01/28/2023] Open
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Xiao B, Dong L, Gao H, Yang K, Wang Y, Li X, Qiu H, Wang A, Zhang S. [Effects of melatonin on PBDE-47-induced abnormal autophagy and apoptosis in PC12 cells]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:1409-1414. [PMID: 34658357 DOI: 10.12122/j.issn.1673-4254.2021.09.17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To explore the effect of melatonin (MT) on 2, 2', 4, 4'-tetrabromodiphenylether (PBDE-47)-induced abnormal autophagy and apoptosis in rat adrenal medullary pheochromocytoma PC12 cells. METHODS PC12 cells were pretreated with a concentration gradient (12.5, 25, 50, 100, and 200 μmol/L) of melatonin for 2 h before exposure to 20 μmol/L PBDE-47 for 24 h to determine the optimal concentration of melatonin for cell treatment. In subsequent experiments, PC12 cells were treated with 0.5‰ DMSO (control group), 20 μmol/L PBDE-47, 25 μmol/L melatonin, or both PBDE-47 and melatonin. Immunofluorescence assay was used to detect the positive staining of microtubule associated protein 1 light chain 3 (LC3; a marker protein of autophagy); Western blotting was performed to determine the expression levels of the key autophagic proteins including autophagy-related protein 7 (ATG7), LC3-Ⅱ and autophagy substrate p62, and the key apoptotic proteins including active cysteine-containing aspartate specific protease-3 (active caspase-3) and cleaved poly(ADP ribose) polymerase (cleaved PARP). RESULTS PBDE-47 treatment significantly reduced the viability of PC12 cells (P=0.001), but pretreatment with 25 μmol/L melatonin maintained a cell viability over 80% following exposure to PBDE-47 (P=0.023). PBDE-47-treated PC12 cells showed obviously enhanced immunofluorescent staining of LC3 protein, a significantly decreased expression of ATG7 and increased expression levels of p62, LC3-Ⅱ, active caspase-3 and cleaved PARP (P < 0.001). The cells treated with both PBDE-47 and melatonin showed obviously reduced staining of LC3 protein with a signficantly increased expression level of ATG7 (P=0.034) and decreased expressions of p62 (P=0.048), LC3-Ⅱ (P=0.018), active caspase-3 (P < 0.001) and cleaved PARP (P=0.032). CONCLUSION PBDE-47 exposure impairs autophagy to cause autophagosome accumulation and promote apoptosis of PC12 cells. Melatonin can improve PBDE-47-induced abnormal autophagy and apoptosis and thus promote the survival of PC12 cells.
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Affiliation(s)
- B Xiao
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - L Dong
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - H Gao
- Department of Clinical Nutrition, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - K Yang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Y Wang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - X Li
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - H Qiu
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - A Wang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - S Zhang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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Nunes JJ, Sojka Ł, Crane RW, Furniss D, Tang ZQ, Mabwa D, Xiao B, Benson TM, Farries M, Kalfagiannis N, Barney E, Phang S, Seddon AB, Sujecki S. Room temperature mid-infrared fiber lasing beyond 5 µm in chalcogenide glass small-core step index fiber. Opt Lett 2021; 46:3504-3507. [PMID: 34329210 DOI: 10.1364/ol.430891] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 05/27/2021] [Indexed: 06/13/2023]
Abstract
This Letter, to the best of our knowledge, reports mid-infrared fiber lasing beyond 5 µm at room temperature for the first time, Ce3+-doped, chalcogenide glass, step index fiber employed in-band pumping with a 4.15 µm quantum cascade laser. The lasing fiber is was 64 mm long, with a calculated numerical aperture of 0.48 at the lasing wavelengths. The core glass was Ge15As21Ga1Se63 atomic % (at. %), doped with 500 parts-per-million-by-weight Ce, with a 9 µm core diameter. The cladding glass was Ge21Sb10Se69 at. % with a 190 µm outer diameter. As pump power increases continuous wave lasing corresponding to the 2F7/2→2F5/2, transition in the Ce3+ ion occurs at 5.14 µm, 5.17 µm, and 5.28 µm.
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13
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Wang Q, Xiao B, Jiang W, Steele S, Cai J, Pan Z, Zhang X, Ding P. P-187 Watch-and-wait strategy for DNA mismatch repair-deficient/microsatellite instability-high rectal cancer with a clinical complete response after neoadjuvant immunotherapy: An observational cohort study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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14
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Liu X, Chen Y, Tang S, Deng Y, Xiao B, He C, Guo S, Zhou X, Qu X. Dietary encapsulated Bacillus subtilis and essential oil supplementation improves reproductive performance and hormone concentrations of broiler breeders during the late laying period. Livest Sci 2021. [DOI: 10.1016/j.livsci.2021.104422] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Li XY, Chen HQ, Li XD, Xiao B, Guo Y, Xu D, Qu HY, Hao YT. [Analysis on job burnout status and its influencing factors among female workers of labor-intensive enterprises]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2021; 39:12-16. [PMID: 33535332 DOI: 10.3760/cma.j.cn121094-20200212-00054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the status and its influencing factors of job burnout among female workers of labor-intensive enterprises. Methods: A total of 750 female workers from 5 labor-intensive enterprises in Guangdong Province were selected as the study subjects by random cluster sampling method in August, 2019. 665 valid questionnaires were collected, and the effective recovery rate was 88.67%. The Maslach Burnout Inventory-General Survey was used to assess job burnout and its influencing factors were analyzed. Results: Among 665 female workers, 429 (64.51%) found to have different levels of burnout, among which 380 (57.14%) were mild to moderate burnout and 49 (7.37%) were severe burnout. The comprehensive scores of job burnout in different age, marital status, current post working age, working time per week, personal monthly income, working system and occupational stress groups were statistically significant (P<0.01) . There were significant differences in the score of emotional exhaustion in different age, marital status, current working age, working time per week, personal monthly income and occupational stress groups (P<0.05) . There were significant differences in the dimensions of depersonalization in different age, weekly work time, personal monthly income, working system and occupational stress groups (P<0.05) . There were significant differences in the dimensions of low individual achievement in different education levels, weekly work time, working system and occupational stress groups (P<0.05) . Conclusion: The female workers of labor-intensive enterprises are generally have mild to moderate job burnout. The main influencing factors of job burnout are weekly work time and occupational stress.
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Affiliation(s)
- X Y Li
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - H Q Chen
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - X D Li
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - B Xiao
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - Y Guo
- Foshan Institute of Occupational Disease Prevention and Control, Foshan 528000, China
| | - D Xu
- Foshan City Sanshui Disease Prevention Cure Station, Foshan 528200, China
| | - H Y Qu
- Guangdong Second Provincial General Hospital, Guangzhou 510317, China
| | - Y T Hao
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
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16
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Deng X, Xiao B, Allen J, Tan L, Tan EK. High caffeine consumption show greater motor progression: a longitudinal study over 9 years. Parkinsonism Relat Disord 2020. [DOI: 10.1016/j.parkreldis.2020.06.143] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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17
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Zhou H, Hu R, Tang O, Hu C, Tang L, Chang K, Shen Q, Wu J, Zou B, Xiao B, Boxerman J, Chen W, Huang RY, Yang L, Bai HX, Zhu C. Automatic Machine Learning to Differentiate Pediatric Posterior Fossa Tumors on Routine MR Imaging. AJNR Am J Neuroradiol 2020; 41:1279-1285. [PMID: 32661052 PMCID: PMC7357647 DOI: 10.3174/ajnr.a6621] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 04/30/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND PURPOSE Differentiating the types of pediatric posterior fossa tumors on routine imaging may help in preoperative evaluation and guide surgical resection planning. However, qualitative radiologic MR imaging review has limited performance. This study aimed to compare different machine learning approaches to classify pediatric posterior fossa tumors on routine MR imaging. MATERIALS AND METHODS This retrospective study included preoperative MR imaging of 288 patients with pediatric posterior fossa tumors, including medulloblastoma (n = 111), ependymoma (n = 70), and pilocytic astrocytoma (n = 107). Radiomics features were extracted from T2-weighted images, contrast-enhanced T1-weighted images, and ADC maps. Models generated by standard manual optimization by a machine learning expert were compared with automatic machine learning via the Tree-Based Pipeline Optimization Tool for performance evaluation. RESULTS For 3-way classification, the radiomics model by automatic machine learning with the Tree-Based Pipeline Optimization Tool achieved a test micro-averaged area under the curve of 0.91 with an accuracy of 0.83, while the most optimized model based on the feature-selection method χ2 score and the Generalized Linear Model classifier achieved a test micro-averaged area under the curve of 0.92 with an accuracy of 0.74. Tree-Based Pipeline Optimization Tool models achieved significantly higher accuracy than average qualitative expert MR imaging review (0.83 versus 0.54, P < .001). For binary classification, Tree-Based Pipeline Optimization Tool models achieved an area under the curve of 0.94 with an accuracy of 0.85 for medulloblastoma versus nonmedulloblastoma, an area under the curve of 0.84 with an accuracy of 0.80 for ependymoma versus nonependymoma, and an area under the curve of 0.94 with an accuracy of 0.88 for pilocytic astrocytoma versus non-pilocytic astrocytoma. CONCLUSIONS Automatic machine learning based on routine MR imaging classified pediatric posterior fossa tumors with high accuracy compared with manual expert pipeline optimization and qualitative expert MR imaging review.
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Affiliation(s)
- H Zhou
- Department of Neurology (H.Z., L.T., B.X.), Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - R Hu
- From the School of Computer Science and Engineering (R.H., B.Z., C.Z.)
| | - O Tang
- Warren Alpert Medical School, Brown University (O.T.), Providence, Rhode Island
| | - C Hu
- Department of Neurology (C.H.), Hunan Provincial People's Hospital, Changsha, Hunan, China
| | - L Tang
- Department of Neurology (H.Z., L.T., B.X.), Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - K Chang
- Department of Radiology (K.C.), Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Q Shen
- Radiology (Q.S., J.W.), Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - J Wu
- Radiology (Q.S., J.W.), Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - B Zou
- From the School of Computer Science and Engineering (R.H., B.Z., C.Z.)
| | - B Xiao
- Department of Neurology (H.Z., L.T., B.X.), Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - J Boxerman
- Department of Diagnostic Imaging (J.B., H.X.B.), Rhode Island Hospital
| | - W Chen
- Department of Pathology (W.C.), Hunan Children's Hospital, Changsha, Hunan, China
| | - R Y Huang
- Department of Radiology (R.Y.H.), Brigham and Women's Hospital, Boston, Massachusetts
| | - L Yang
- Departments of Neurology (L.Y.)
| | - H X Bai
- Department of Diagnostic Imaging (J.B., H.X.B.), Rhode Island Hospital
| | - C Zhu
- From the School of Computer Science and Engineering (R.H., B.Z., C.Z.)
- College of Literature and Journalism (C.Z.), Central South University, Changsha, Hunan, China
- Mobile Health Ministry of Education-China Mobile Joint Laboratory (C.Z.), China
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18
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Petrushina I, Litvinenko VN, Jing Y, Ma J, Pinayev I, Shih K, Wang G, Wu YH, Altinbas Z, Brutus JC, Belomestnykh S, Di Lieto A, Inacker P, Jamilkowski J, Mahler G, Mapes M, Miller T, Narayan G, Paniccia M, Roser T, Severino F, Skaritka J, Smart L, Smith K, Soria V, Than Y, Tuozzolo J, Wang E, Xiao B, Xin T, Ben-Zvi I, Boulware C, Grimm T, Mihara K, Kayran D, Rao T. High-Brightness Continuous-Wave Electron Beams from Superconducting Radio-Frequency Photoemission Gun. Phys Rev Lett 2020; 124:244801. [PMID: 32639812 DOI: 10.1103/physrevlett.124.244801] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 05/29/2020] [Indexed: 06/11/2023]
Abstract
Continuous-wave photoinjectors operating at high accelerating gradients promise to revolutionize many areas of science and applications. They can establish the basis for a new generation of monochromatic x-ray free electron lasers, high-brightness hadron beams, or a new generation of microchip production. In this Letter we report on the record-performing superconducting rf electron gun with CsK_{2}Sb photocathode. The gun is generating high charge electron bunches (up to 10 nC/bunch) and low transverse emittances, while operating for months with a single photocathode. This achievement opens a new era in generating high-power beams with a very high average brightness.
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Affiliation(s)
- I Petrushina
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V N Litvinenko
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Y Jing
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Ma
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - I Pinayev
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - K Shih
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
| | - G Wang
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Y H Wu
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
| | - Z Altinbas
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J C Brutus
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S Belomestnykh
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Di Lieto
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - P Inacker
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Jamilkowski
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G Mahler
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Mapes
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Miller
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G Narayan
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Paniccia
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Roser
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - F Severino
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Skaritka
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - L Smart
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - K Smith
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V Soria
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Y Than
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Tuozzolo
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - E Wang
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - B Xiao
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Xin
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - I Ben-Zvi
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C Boulware
- Niowave Inc., Lansing, Michigan 48906, USA
| | - T Grimm
- Niowave Inc., Lansing, Michigan 48906, USA
| | - K Mihara
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
| | - D Kayran
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Rao
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA
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Hu YK, Zhang H, Xiao B, Chen L. Mitochondrial Damage due to Hypoxia and Its Forensic Significance. Fa Yi Xue Za Zhi 2020; 36:243-248. [PMID: 32530175 DOI: 10.12116/j.issn.1004-5619.2020.02.018] [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: 12/19/2018] [Indexed: 11/30/2022]
Abstract
Abstract Mitochondria are the special organelle in eukaryotic cells. Their main functions are to synthesize energy required for cell activity by oxidative phosphorylation. Most of the oxygen absorbed by the body is consumed in the mitochondria. The precise diagnosis of mechanical asphyxia is one of the difficulties in forensic pathology practice. Forensic pathologists have been trying to find a reliable and sensitive marker for the diagnosis of mechanical asphyxia. Mitochondria are very sensitive to hypoxic environments, and the markers of mitochondrion damage can be used as a basis for the diagnosis of mechanical asphyxia. The purpose of this paper is to review the research progress on mitochondrial damage in hypoxic environments and to explore the possibility of using markers of mitochondrion damage in forensic pathological practice.
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Affiliation(s)
- Y K Hu
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - H Zhang
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - B Xiao
- Shanghai Key Laboratory of Crime Scene Evidence, Institute of Forensic Science, Shanghai Public Security Bureau, Shanghai 200083, China
| | - L Chen
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
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20
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Fedotov AV, Altinbas Z, Belomestnykh S, Ben-Zvi I, Blaskiewicz M, Brennan M, Bruno D, Brutus C, Costanzo M, Drees A, Fischer W, Fite J, Gaowei M, Gassner D, Gu X, Halinski J, Hamdi K, Hammons L, Harvey M, Hayes T, Hulsart R, Inacker P, Jamilkowski J, Jing Y, Kewisch J, Kankiya P, Kayran D, Lehn R, Liaw CJ, Litvinenko V, Liu C, Ma J, Mahler G, Mapes M, Marusic A, Mernick K, Mi C, Michnoff R, Miller T, Minty M, Narayan G, Nayak S, Nguyen L, Paniccia M, Pinayev I, Polizzo S, Ptitsyn V, Rao T, Robert-Demolaize G, Roser T, Sandberg J, Schoefer V, Schultheiss C, Seletskiy S, Severino F, Shrey T, Smart L, Smith K, Song H, Sukhanov A, Than R, Thieberger P, Trabocchi S, Tuozzolo J, Wanderer P, Wang E, Wang G, Weiss D, Xiao B, Xin T, Xu W, Zaltsman A, Zhao H, Zhao Z. Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches. Phys Rev Lett 2020; 124:084801. [PMID: 32167359 DOI: 10.1103/physrevlett.124.084801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/24/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
Cooling of beams of gold ions using electron bunches accelerated with radio-frequency systems was recently experimentally demonstrated in the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. Such an approach is new and opens the possibility of using this technique at higher energies than possible with electrostatic acceleration of electron beams. The challenges of this approach include generation of electron beams suitable for cooling, delivery of electron bunches of the required quality to the cooling sections without degradation of beam angular divergence and energy spread, achieving the required small angles between electron and ion trajectories in the cooling sections, precise velocity matching between the two beams, high-current operation of the electron accelerator, as well as several physics effects related to bunched-beam cooling. Here we report on the first demonstration of cooling hadron beams using this new approach.
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Affiliation(s)
- A V Fedotov
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Z Altinbas
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S Belomestnykh
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - I Ben-Zvi
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Blaskiewicz
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Brennan
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - D Bruno
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C Brutus
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Costanzo
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A Drees
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - W Fischer
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Fite
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Gaowei
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - D Gassner
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - X Gu
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Halinski
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - K Hamdi
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - L Hammons
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Harvey
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Hayes
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - R Hulsart
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - P Inacker
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Jamilkowski
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Y Jing
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Kewisch
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - P Kankiya
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - D Kayran
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - R Lehn
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C J Liaw
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V Litvinenko
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C Liu
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Ma
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G Mahler
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Mapes
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A Marusic
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - K Mernick
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C Mi
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - R Michnoff
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Miller
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Minty
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G Narayan
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S Nayak
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - L Nguyen
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Paniccia
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - I Pinayev
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S Polizzo
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V Ptitsyn
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Rao
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | | | - T Roser
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Sandberg
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V Schoefer
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C Schultheiss
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S Seletskiy
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - F Severino
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Shrey
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - L Smart
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - K Smith
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - H Song
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A Sukhanov
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - R Than
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - P Thieberger
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S Trabocchi
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J Tuozzolo
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - P Wanderer
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - E Wang
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G Wang
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - D Weiss
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - B Xiao
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Xin
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - W Xu
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A Zaltsman
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - H Zhao
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Z Zhao
- Brookhaven National Laboratory, Upton, New York 11973, USA
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21
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Zhang C, Liu Y, Sun XC, Chen LM, Xiao B, Xu CX. [Management of Fournier gangrene in perineal region by negative-pressure wound therapy combined with delayed repair]. Zhonghua Shao Shang Za Zhi 2019; 35:872-875. [PMID: 31877610 DOI: 10.3760/cma.j.issn.1009-2587.2019.12.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the effects of negative pressure wound therapy (NPWT) combined with delayed repair on Fournier gangrene in perineal region. Methods: During July 2010 to September 2018, 16 patients with Fournier gangrene in perineal region were admitted to our center, with 13 males and 3 females, aged 30 to 76 years. In the first stage, the necrotic tissue of the wound was completely removed according to the scope of the lesion, and NPWT was applied. After the operation, general anti-infection and nutritional support were performed. In the second stage, the local flaps, free flaps, or skin grafts were chosen to repair the wounds according to the specific condition of wounds. The average length of stay and pathological diagnosis were recorded, and the survival and follow-up of skin grafts and flaps were recorded. Results: All the 16 patients were cured and discharged, with an average of 29.6 days in hospital. The pathological diagnosis of biopsies were necrotizing inflammation. The wound of 1 patient was healed directly after only NPWT, the skin grafts of 5 patients, local flaps of 9 patients, and anterolateral thigh island flap of 1 patient who had NPWT combined with delayed repair survived well. Sixteen patients were followed up for 1 to 2 years after discharge, and no recurrence of Fournier gangrene was found. Among them, 5 patients with wounds involved perineum and scrotum had good appearance and function of scrotum and mons pubis. Conclusions: NPWT combined with delayed plastic repair have great effects on Fournier gangrene.
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Affiliation(s)
- C Zhang
- Department of Burns and Plastic Surgery, the People's Liberation Army Joint Service Support Unit 940 Hospital, Lanzhou 730050, China (Zhang Cheng is working at the Department of Burns and Plastic Surgery, Xi'an International Medical Center Hospital, Xi'an 710100, China)
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22
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Meng H, Ma KJ, Dong LM, Li CT, Xiao B, Xu LY, Huang P, Xie JH. Research Progress on Age Estimation Based on DNA Methylation. Fa Yi Xue Za Zhi 2019; 35:537-544. [PMID: 31833286 DOI: 10.12116/j.issn.1004-5619.2019.05.006] [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] [Received: 04/29/2019] [Indexed: 11/30/2022]
Abstract
Abstract Age estimation is of great significance in the fields of criminal investigation and forensic identification. It can provide the age information of individuals to judicial departments to facilitate the development of judicial work. In recent years, age estimation methods expanded from the morphological level to the molecular biology level. With the rapid development of epigenetics represented by DNA methylation, and the advancement of DNA methylation detection technology together with the detection platform, many age estimation methods based on DNA methylation biomarkers, or using several biological fluids, such as blood, blood stains, saliva, semen stains, etc. are developed. Currently, researches related to age estimation based on DNA methylation are relatively widely carried out. This paper summarizes the researches on age estimation based on DNA methylation, in order to provide references for related studies and forensic applications.
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Affiliation(s)
- H Meng
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China.,Department of Forensic Medicine, Fudan University, Shanghai 200032, China
| | - K J Ma
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China
| | - L M Dong
- Minhang Branch of Shanghai Municipal Public Security Bureau, Shanghai 201108, China
| | - C T Li
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - B Xiao
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China
| | - L Y Xu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China
| | - P Huang
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - J H Xie
- Department of Forensic Medicine, Fudan University, Shanghai 200032, China
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23
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Hu B, Hu ZL, Zeng QM, Xiao B, Yang H. MiR-19b Functions as a Potential Protector in Experimental Autoimmune Encephalomyelitis. Curr Mol Med 2019; 18:312-321. [PMID: 30289071 DOI: 10.2174/1566524018666181004123716] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 08/24/2018] [Accepted: 09/28/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND MicroRNA-19b (miR-19b) is essential in determining oligodendroglia proliferation. Phosphatase and tensin homologue on chromosome 10 (PTEN) is considered the target of miR-19b and participates in oligodendrocyte differentiation and proliferation. METHODS Murine EAE was induced by myelin oligodendrocyte glycoprotein (MOG35- 55). For EAE reversal, artificially synthesized agomiR-19b was intravenous injected after immunization. RESULTS We found that the expression of miR-19b is significantly reduced in an experimental autoimmune encephalomyelitis (EAE) mouse model. This downregulation, which is associated with the neurological scores, can be dramatically ameliorated by agomiR-19b. Our results show that agomiR-19b increases the expression of myelin basic protein (MBP) and cyclic nucleotide phosphodiesterase (CNP), which are regularly utilized as molecular markers of oligodendrocytes. Furthermore, our study also revealed that miR-19b probably affects the expression of PTEN in the EAE model. CONCLUSION These results indicate that the restoration of miR-19b probably exerts its therapeutic effect by affecting PTEN in the pathogenesis of EAE.
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Affiliation(s)
- B Hu
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, 410008, China
| | - Z L Hu
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Q M Zeng
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, 410008, China
| | - B Xiao
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, 410008, China
| | - H Yang
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, 410008, China
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24
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Chen Z, Deng Y, Li F, Xiao B, Zhou X, Tao Z. MicroRNA-466a-3p attenuates allergic nasal inflammation in mice by targeting GATA3. Clin Exp Immunol 2019; 197:366-375. [PMID: 31081939 DOI: 10.1111/cei.13312] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/02/2019] [Indexed: 12/25/2022] Open
Abstract
Allergic rhinitis is thought to be an allergic disease associated with immunoglobulin (Ig)E-mediated immune response, characterized by increased T helper type 2 (Th2) cytokine production, elevated eosinophil levels in the nasal mucosa and induced nasal secretions. MicroRNA (miRNA) microarray data revealed that the expression level of miR-466a-3p was significantly decreased. Notably, GATA binding protein (GATA-3) was identified as one of its target genes through miRNA target prediction web tools. The expression levels of miR-466a-3p were altered by mimics and lentivirus both in vivo and in vitro, similar to those of GATA-3. Furthermore, the symptoms and histology of allergic rhinitis as well as the levels of serum IgE and interleukin (IL)-4 were examined in different groups of mice. Interestingly, the results for lentiviral miR-466a-3p-treated allergic rhinitis mice were relatively similar to normal mice, compared to allergic rhinitis mice without treatment. Also, miR-466a-3p negatively regulated GATA-3 expression in allergic rhinitis mice, indicating the participant of Th2-cell responses in allergic rhinitis. Taken together, our findings highlight a new perspective on the role of miR-466a-3p in allergic rhinitis. In addition, this study provides a theoretical framework and experimental reference for future research targeting microRNAs as therapeutic targets and diagnostic biomarkers of allergic rhinitis.
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Affiliation(s)
- Z Chen
- Department of Otolaryngology Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Y Deng
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - F Li
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China.,Research Institute of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - B Xiao
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China.,Research Institute of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - X Zhou
- Department of Otolaryngology Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Z Tao
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China.,Research Institute of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China
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Li H, Deng L, Bai HX, Sun J, Cao Y, Tao Y, States LJ, Farwell MD, Zhang P, Xiao B, Yang L. Diagnostic Accuracy of Amino Acid and FDG-PET in Differentiating Brain Metastasis Recurrence from Radionecrosis after Radiotherapy: A Systematic Review and Meta-Analysis. AJNR Am J Neuroradiol 2018; 39:280-288. [PMID: 29242363 DOI: 10.3174/ajnr.a5472] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 09/19/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Current studies that analyze the usefulness of amino acid and FDG-PET in distinguishing brain metastasis recurrence and radionecrosis after radiation therapy are limited by small cohort size. PURPOSE Our aim was to assess the diagnostic accuracy of amino acid and FDG-PET in differentiating brain metastasis recurrence from radionecrosis after radiation therapy. DATA SOURCES Studies were retrieved from PubMed, Embase, and the Cochrane Library. STUDY SELECTION Fifteen studies were included from the literature. Each study used PET to differentiate radiation necrosis from tumor recurrence in contrast-enhancing lesions on follow-up brain MR imaging after treating brain metastasis with radiation therapy. DATA ANALYSIS Data were analyzed with a bivariate random-effects model. Sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio were pooled, and a summary receiver operating characteristic curve was fit to the data. DATA SYNTHESIS The overall pooled sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio of PET were 0.85, 0.88, 7.0, 0.17, and 40, respectively. The area under the receiver operating characteristic curve was 0.93. On subgroup analysis of different tracers, amino acid and FDG-PET had similar diagnostic accuracy. Meta-regression analysis demonstrated that the method of quantification based on patient, lesion, or PET scan (based on lesion versus not, P = .07) contributed to the heterogeneity. LIMITATIONS Our study was limited by small sample size, and 60% of the included studies were of retrospective design. CONCLUSIONS Amino acid and FDG-PET had good diagnostic accuracy in differentiating brain metastasis recurrence from radionecrosis after radiation therapy.
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Affiliation(s)
- H Li
- From the Department of Neurology (H.L., L.D., L.Y.), Second Xiangya Hospital of Central South University, Changsha, Hunan Province, People's Republic of China
| | - L Deng
- From the Department of Neurology (H.L., L.D., L.Y.), Second Xiangya Hospital of Central South University, Changsha, Hunan Province, People's Republic of China
| | - H X Bai
- Departments of Radiology (H.X.B., J.S., M.D.F.)
| | - J Sun
- Departments of Radiology (H.X.B., J.S., M.D.F.)
| | - Y Cao
- Cancer Research Institute (Y.C., Y.T.), Central South University, Changsha, Hunan Province, People's Republic of China
| | - Y Tao
- Cancer Research Institute (Y.C., Y.T.), Central South University, Changsha, Hunan Province, People's Republic of China
| | - L J States
- Department of Radiology (L.J.S.), Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - M D Farwell
- Departments of Radiology (H.X.B., J.S., M.D.F.)
| | - P Zhang
- Pathology (P.Z.), Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - B Xiao
- Department of Neurology (B.X.), Xiangya Hospital of Central South University, Changsha, Hunan Province, People's Republic of China.
| | - L Yang
- From the Department of Neurology (H.L., L.D., L.Y.), Second Xiangya Hospital of Central South University, Changsha, Hunan Province, People's Republic of China
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Wu RQ, Wang T, Shi Q, Xiao B, Ma KJ, Chen X. [Adult Stature Estimation by Multiple Parameters of Body Torso Segment]. Fa Yi Xue Za Zhi 2017; 33:236-238. [PMID: 29230985 DOI: 10.3969/j.issn.1004-5619.2017.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To promote the further research on body stature estimation and the innovative applications based on the distances between the anatomical landmarks on body torso surface. METHODS A specification for the collection of distances between the anatomical landmarks on body torso surface was established. The data of 933 cases of adult population in Yangtze River Delta region were collected. Multiple linear regression method was used to statistical analyse and establish the regression equation of stature estimation. RESULTS A regression equation about 5 variables including gender (x₁), cervical vertebrae-coccyx line (x₂), sterna-pubis line (x₃), distance between acromion and iliospinale anterius (x₄) and shoulder breadth (x₅), and stature (y) was established, y=105.406+5.414 x₁+0.436 x₂+0.286 x₃+0.225 x₄+ 0.193 x₅. CONCLUSIONS The method is suitable for the rapid, simple and accurate estimation of stature for the forensic experts.
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Affiliation(s)
- R Q Wu
- Shanghai Key Laboratory of Crime Scene Evidence, Institute of Forensic Science, Shanghai Public Security Bureau, Shanghai 200083, China
| | - T Wang
- Institute of Criminal Science and Technology, Songjiang Branch of Shanghai Public Security Bureau, Shanghai 201600, China
| | - Q Shi
- Shanghai Key Laboratory of Crime Scene Evidence, Institute of Forensic Science, Shanghai Public Security Bureau, Shanghai 200083, China
| | - B Xiao
- Shanghai Key Laboratory of Crime Scene Evidence, Institute of Forensic Science, Shanghai Public Security Bureau, Shanghai 200083, China
| | - K J Ma
- Shanghai Key Laboratory of Crime Scene Evidence, Institute of Forensic Science, Shanghai Public Security Bureau, Shanghai 200083, China
| | - X Chen
- Shanghai Key Laboratory of Crime Scene Evidence, Institute of Forensic Science, Shanghai Public Security Bureau, Shanghai 200083, China
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27
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Xiao B, Liu JM, Wang YK, Wu B, Chen XO. [Expression of intercellular adhesion molecule-1 and myeloperoxidase in peripheral blood and its significance in elderly patients with OSAHS]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017; 31:1269-1272. [PMID: 29798376 DOI: 10.13201/j.issn.1001-1781.2017.16.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Indexed: 11/12/2022]
Abstract
Objective:To investigate the detection and significance of serum intercellular adhesion molecule-1 (ICAM-1) and myeloperoxidase (MPO) in elderly patients with OSAHS in adults.Method:Ninety-three cases of elderly OSAHS patients who confirmed by PSG were observed. According to the range of AHI, they were divided into 3 groups (severe, moderate and mild). 31 cases of healthy person were observed as control group. The serum ICAM-1 and MPO were determined by ELISA method; ICAM-1 and MPO were measured after comprehensive treatment in patients with elderly severe OSAHS, and the correlation between ICAM-1, MPO and PSG were analyzed.Result:①With the severity of snoring increased, the serum levels of ICAM-1 and MPO increased gradually (F=29.937,18.946; P< 0.01); The concentration of ICAM-1 and MPO in each group showed that there was no significant difference between the mild group and the control group (P> 0.05), there were significant differences between the rest each two groups (P< 0.05). ②There was no correlation between serum levels of ICAM-1, MPO, BMI, age in OSAHS patients (P> 0.05). There was a positively relationship between ICAM-1 and MPO . Both of them were negatively correlated with AHI, and positively correlated with LSaO2 (P< 0.01). ③The concentration of ICAM-1, MPO and AHI in 31 elderly patients with severe OSAHS decreased and LSaO₂ increased significantly after 3 months of comprehensive treatment (P< 0.01).Conclusion:The increase of ICAM-1 and MPO concentration in peripheral blood is one of the mechanisms of cardiovascular damage in elderly patients with OSAHS. Determination of peripheral blood ICAM-1, MPO levels in elderly patients with OSAHS to help determine the severity of disease, the evaluation of treatment,which may have a certain reference value for the prediction of cardiovascular disease risk in patients with severe OSAHS.
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Affiliation(s)
- B Xiao
- Department of Otorhinolaryngology Head and Neck Surgery, Deyang People's Hospital, Deyang, 618000, China
| | - J M Liu
- Department of Otorhinolaryngology Head and Neck Surgery, Deyang People's Hospital, Deyang, 618000, China
| | - Y K Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Deyang People's Hospital, Deyang, 618000, China
| | - B Wu
- Department of Otorhinolaryngology Head and Neck Surgery, Deyang People's Hospital, Deyang, 618000, China
| | - X O Chen
- Department of Otorhinolaryngology Head and Neck Surgery, the Eighth Affiliated Hospital, Sun-Yat-Sen University
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Xie Y, Qu J, Zhou L, Lv N, Gong J, Cao Y, Long L, Long H, Xiao B. Lack of Association between SLC6A11 Genetic Polymorphisms and Drug Resistant Epilepsy in Chinese Han Population. Clin Lab 2017; 63:1113-1120. [DOI: 10.7754/clin.lab.2017.161217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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29
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Jiang JG, Shen GF, Li J, Qiao C, Xiao B, Yan H, Wang DW, Xiao X. Adeno-associated virus-mediated expression of myostatin propeptide improves the growth of skeletal muscle and attenuates hyperglycemia in db/db mice. Gene Ther 2016; 24:167-175. [PMID: 27983718 DOI: 10.1038/gt.2016.85] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Revised: 10/25/2016] [Accepted: 11/09/2016] [Indexed: 01/06/2023]
Abstract
Inhibition of myostatin, a negative growth modulator for muscle, can functionally enhance muscle mass and improve glucose and fat metabolism in myostatin propeptide (MPRO) transgenic mice. This study was to investigate whether myostatin inhibition by adeno-associated virus (AAV)-mediated gene delivery of MPRO could improve muscle mass and achieve therapeutic effects on glucose regulation and lipid metabolism in the db/db mice and the mechanisms involved in that process. Eight-week-old male db/db mice were administered saline, AAV-GFP and AAV-MPRO/Fc vectors and monitored random blood glucose levels and body weight for 36 weeks. Body weight gain was not different during follow-up among the groups, but AAV-MPRO/Fc vectors resulted high level of MPRO in the blood companied by an increase in skeletal muscle mass and muscle hypertrophy. In addition, AAV-MPRO/Fc-treated db/db mice showed significantly lower blood glucose and insulin levels and significantly increased glucose tolerance and insulin sensitivity compared with the control groups (P<0.05). Moreover, these mice exhibited lower triglyceride (TG) and free fatty acid (FFA) content in the skeletal muscle, although no difference was observed in fat pad weights and serum TG and FFA levels. Finally, AAV-MPRO/Fc-treated mice had enhanced insulin signaling in the skeletal muscle. These data suggest that AAV-mediated MPRO therapy may provide an important clue for potential clinical applications to prevent type II diabetes, and these studies confirm that MPRO is a therapeutic target for type II diabetes.
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Affiliation(s)
- J G Jiang
- Departments of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - G F Shen
- Departments of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - J Li
- Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - C Qiao
- Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - B Xiao
- Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - H Yan
- Departments of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - D W Wang
- Departments of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - X Xiao
- Departments of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.,Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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30
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Wang S, Ma K, Xiao B, Zhang Y, Feng Z, Yin L. Single Port Transumbilical Laparoscopic Surgery Versus Conventional Laparoscopic Surgery for Adnexal Lesions: ASingle Center Experience in China. J Minim Invasive Gynecol 2016; 22:S39. [PMID: 27679226 DOI: 10.1016/j.jmig.2015.08.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- S Wang
- Ob/Gyn, Peking University First Hospital, Beijing, China
| | - K Ma
- Ob/Gyn, Peking University First Hospital, Beijing, China
| | - B Xiao
- Ob/Gyn, Peking University First Hospital, Beijing, China
| | - Y Zhang
- Ob/Gyn, Peking University First Hospital, Beijing, China
| | - Z Feng
- Ob/Gyn, Peking University First Hospital, Beijing, China
| | - L Yin
- Ob/Gyn, Peking University First Hospital, Beijing, China
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Xin T, Brutus JC, Belomestnykh SA, Ben-Zvi I, Boulware CH, Grimm TL, Hayes T, Litvinenko VN, Mernick K, Narayan G, Orfin P, Pinayev I, Rao T, Severino F, Skaritka J, Smith K, Than R, Tuozzolo J, Wang E, Xiao B, Xie H, Zaltsman A. Design of a high-bunch-charge 112-MHz superconducting RF photoemission electron source. Rev Sci Instrum 2016; 87:093303. [PMID: 27782552 DOI: 10.1063/1.4962682] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
High-bunch-charge photoemission electron-sources operating in a continuous wave (CW) mode are required for many advanced applications of particle accelerators, such as electron coolers for hadron beams, electron-ion colliders, and free-electron lasers. Superconducting RF (SRF) has several advantages over other electron-gun technologies in CW mode as it offers higher acceleration rate and potentially can generate higher bunch charges and average beam currents. A 112 MHz SRF electron photoinjector (gun) was developed at Brookhaven National Laboratory to produce high-brightness and high-bunch-charge bunches for the coherent electron cooling proof-of-principle experiment. The gun utilizes a quarter-wave resonator geometry for assuring beam dynamics and uses high quantum efficiency multi-alkali photocathodes for generating electrons.
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Affiliation(s)
- T Xin
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - J C Brutus
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | | | - I Ben-Zvi
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | | | - T L Grimm
- Niowave, Inc., Lansing, Michigan 48906, USA
| | - T Hayes
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | | | - K Mernick
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - G Narayan
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - P Orfin
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - I Pinayev
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - T Rao
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - F Severino
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - J Skaritka
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - K Smith
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - R Than
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - J Tuozzolo
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - E Wang
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - B Xiao
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - H Xie
- Peking University, Beijing, China
| | - A Zaltsman
- Brookhaven National Laboratory, Upton, New York 11973-5000, USA
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Abstract
This paper studies a revenue management problem in which a finite number of substitutable commodities are sold to two different market segments at respective prices. It is required that a certain number of commodities are reserved for the high-price segment to ensure a minimum service level. The two segments are served concurrently at the beginning of the season. To improve revenues, management may choose to close the low-price segment at a time when the chance of selling all items at the high price is promising. The difficulty is determining when such a decision should be made. We derive the exact solution in closed form using the theory of optimal stopping time. We show that the optimal decision is made in reference to a sequence of thresholds in time. These time thresholds take both remaining sales season and inventory into account and exhibit a useful monotone property.
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Zhang R, Zhang X, Ma B, Xiao B, Huang F, Huang P, Ying C, Liu T, Wang Y. Enhanced antitumor effect of combining TRAIL and MnSOD mediated by CEA-controlled oncolytic adenovirus in lung cancer. Cancer Gene Ther 2016; 23:168-77. [PMID: 27080225 DOI: 10.1038/cgt.2016.11] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Revised: 02/14/2016] [Accepted: 02/16/2016] [Indexed: 12/17/2022]
Abstract
Lung cancer, especially adenocarcinoma, is one of the leading causes of death in the world. Carcinoembryonic antigen (CEA), a superb non-small-cell lung cancer marker candidate, showed a beneficial effect in cancer therapy with oncolytic adenovirus in recent studies. Cancer-targeting dual gene-virotherapy delivers two therapeutic genes, linked by a connexon, in the replication-deficient vector instead of one gene so that they can work in common. In this study, we constructed a tumor-specific oncolytic adenovirus, CD55-TRAIL-IETD-MnSOD. The virus has the fusion protein complementary DNAs for tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and for manganese superoxide dismutase (MnSOD) complementary DNA linked through a 4-amino acid caspase-8 cleavage site (IETD), and uses a CEA promoter to control virus E1A express. This is the first work to use a CEA promoter-regulated oncolytic adenovirus carrying two therapeutic genes for cancer research. Its targeting and anticancer capacity was evaluated by in vitro and in vivo experiments. The results indicated that CD55-TRAIL-IETD-MnSOD caused more cell apoptosis than CD55-TRAIL or CD55-MnSOD alone, or their combination in vitro, with low cytotoxicity of normal cells. In the A549 tumor xenograft model in nude mice, data showed that CD55-TRAIL-IETD-MnSOD could effectively suppress tumor growth than single gene groups, with no histological damage in liver, spleen or kidney tissues. Thus, the CEA-regulated dual-gene oncolytic virus CD55-TRAIL-IETD-MnSOD may be a novel potential therapy for lung cancer.
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Affiliation(s)
- R Zhang
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - X Zhang
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - B Ma
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China.,Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - B Xiao
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - F Huang
- School of Public health, Zhejiang University, Hangzhou, People's Republic of China
| | - P Huang
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - C Ying
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - T Liu
- Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, People's Republic of China
| | - Y Wang
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
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Li YF, Xiao B, Sun L, Gao YM, Cheng YH. Phonon optics, thermal expansion tensor, thermodynamic and chemical bonding properties of Al4SiC4 and Al4Si2C5: a first-principles study. RSC Adv 2016. [DOI: 10.1039/c6ra05749g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The creation of stacking fault in Al4SiC4 crystal structure due to a phonon mode (E1, 139.7 cm−1, Raman active) at Γ-point with negative mode-Grüneisen constant (−0.28). (a) 3-D side-view; (b) 2-D side view.
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Affiliation(s)
- Y. F. Li
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - B. Xiao
- Department of Earth Sciences
- University College London
- London
- UK
| | - L. Sun
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Y. M. Gao
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Y. H. Cheng
- State Key Laboratory of Electric Insulation and Power Equipment
- Xi'an Jiaotong University
- Xi'an 710049
- China
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Zuo QF, Cao LY, Yu T, Gong L, Wang LN, Zhao YL, Xiao B, Zou QM. MicroRNA-22 inhibits tumor growth and metastasis in gastric cancer by directly targeting MMP14 and Snail. Cell Death Dis 2015; 6:e2000. [PMID: 26610210 PMCID: PMC4670920 DOI: 10.1038/cddis.2015.297] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 09/06/2015] [Accepted: 09/11/2015] [Indexed: 01/11/2023]
Abstract
MicroRNAs (miRNAs) deregulation is frequent in human gastric cancers (GCs), but the role of specific miRNAs involved in this disease remains elusive. MiR-22 was previously reported to act as tumor suppressors or oncogenes in diverse cancers. However, their accurate expression, function and mechanism in GC are largely unclear. Here, we found that the expression of miR-22 was significantly reduced in clinical GC tissues compared with paired adjacent normal tissues, and was significantly correlated with a more aggressive phenotype of GC in patients, and miR-22 low expression correlated with poor overall survival. The introduction of miR-22 markedly suppressed GC cell growth, migration and invasion, and inhibition of miR-22 promoted GC cell proliferation, migration and invasion in vitro. We further demonstrated that miR-22 acted as tumor suppressors through targeting extracellular matrix (ECM) remodeling member matrix metalloproteinase 14 (MMP14) and epithelial-to-mesenchymal transition (EMT) inducer Snail in GC. Moreover, ectopic expression of MMP14 or Snail restored inhibitory effects of miR-22 on cell migration and invasion in GC cells, and a negative relationship between the miR-22 expression and MMP14 or Snail mRNA levels was observed in GC. Finally, overexpression of miR-22 suppressed tumor growth, peritoneal dissemination and pulmonary metastasis in vivo. Taken together, we identified that miR-22 is a potent tumor suppressor in GC. MiR-22 downregulation promotes GC invasion and metastasis by upregulating MMP14 and Snail, and then inducing ECM remodeling and EMT. These findings provide a better understanding of the development and progression of GC and may be an important implication for future therapy of the GC.
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Affiliation(s)
- Q-F Zuo
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - L-Y Cao
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - T Yu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - L Gong
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - L-N Wang
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Y-L Zhao
- General Surgery and Center of Minimally Invasive Gastrointestinal Surgery, Department of General Surgery, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
| | - B Xiao
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Q-M Zou
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, China
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Yu J, Li Y, Liu C, Gu Q, Wang Q, Huang J, Zhang G, Xiao B, Ma C. The therapeutic effect of rho kinese inhibitor fasudil in APP/PS1 transgenic mice. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.449] [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: 10/22/2022]
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Fan YH, Ye MH, Wu L, Lv SG, Wu MJ, Xiao B, Liao CC, Ji QK, Chai Y, Zhu XG. Overexpression of miR-98 inhibits cell invasion in glioma cell lines via downregulation of IKKε. Eur Rev Med Pharmacol Sci 2015; 19:3593-3604. [PMID: 26502849] [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: 06/05/2023]
Abstract
OBJECTIVE MicroRNAs (miRNAs) function as negative regulators for the expression of genes involved in cancer metastasis. The aim of this study was to investigate the potential role of miR-98 in gliomas and validate its regulatory mechanism. PATIENTS AND METHODS Cell viability assays are used to measure proliferation of cell. mRNA expression is measured by qRT-PCR. Western blot analysis is used to measure protein expression. RESULTS Functional studies showed that miR-98 overexpression inhibited glioma migration and invasion, but had no effect on the cell viability. An enhanced green fluorescent protein reporter assay, quantitative RT-PCR, and a western blot analysis confirmed that miR-98 suppressed the expression of IκB kinase (IKKε) by directly targeting its 3'-untranslated region, also, the NF-κB p65 nuclear translocation and matrix metalloproteinase (MMP)-9 expression were significantly arrested in glioma cells treated with miR-98 mimics. Accordingly, the overexpression of IKKε or NF-κB p65 can restore cell migration and invasion after being inhibited by miR-98, and can restore NF-κB p65 nuclear translocation as well as increase MMP-9 expression. CONCLUSIONS These findings demonstrated that miR-98 functions as a tumor suppressor in gliomas. Furthermore, miR-98 may act as a potential therapeutic biomarker for glioma patients.
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Affiliation(s)
- Y-H Fan
- Department of Neurosurgery, The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, People's Republic of China.
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Xiao B, Liu B, Song Y, Yu Z, Guo S. Local cytotoxic T-lymphocyte-associated antigen-4 immunoglobulin inhibition of rejection response is dependent on indoleamine 2,3-dioxygenase activities in the allograft. Transplant Proc 2015; 46:3637-40. [PMID: 25498102 DOI: 10.1016/j.transproceed.2014.06.072] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Revised: 04/23/2014] [Accepted: 06/17/2014] [Indexed: 11/28/2022]
Abstract
A previous study showed that local gene transfer of cytotoxic T-lymphocyte-associated antigen-4 immunoglobulin (CTLA4Ig) significantly prolonged the survival time of rat flap allografts. However, the underlying mechanism is not fully understood. Indoleamine 2,3-dioxygenase (IDO) is considered to be able to modulate the unresponsiveness state of allografts. In this study, we tested the expression of the CD80 molecule, IDO mRNA, and the level of the tryptophan metabolite kynurenine with or without the application of the IDO blocker 1-methyl-tryptophan (1-MT) in a rat composite tissue allotransplantation model. CD80 expression could be detected in the allograft. The ration of IDO mRNA/glyceraldehyde 3-phosphate dehydrogenase (GAPDH) mRNA and the level of kynurenine were both enhanced (46.3 ± 8.8 versus 4.6 ± 1.8 and 18.9 ± 1.3 μmol/L versus 2.1 ± 0.2 μmol/L separately) after adenovirus-mediated CTLA4Ig (AdCTLA4Ig) transduction. When 1-MT was applied to the AdCTLA4Ig perfusion recipients, the ration of IDO mRNA/GAPDH mRNA (5.2 ± 2.9) and the level of kynurenine (0.8 ± 0.5 μmol/L) were significantly reduced. Moreover, the allograft survival time was greatly reduced when 1-MT was applied to AdCTLA4Ig perfusion recipients compared to single AdCTLA4Ig perfusion therapy recipients (7.2 days versus 13.6 days). We showed that the inhibitory effect of locally delivered CTLA4Ig is dependent on IDO activities within the allograft.
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Affiliation(s)
- B Xiao
- Department of Plastic Surgery, Xijing Hospital, University of The Fourth Military Medical University, Xi'an, China.
| | - B Liu
- Department of Plastic Surgery, Xijing Hospital, University of The Fourth Military Medical University, Xi'an, China
| | - Y Song
- Department of Plastic Surgery, Xijing Hospital, University of The Fourth Military Medical University, Xi'an, China
| | - Z Yu
- Department of Plastic Surgery, Xijing Hospital, University of The Fourth Military Medical University, Xi'an, China
| | - S Guo
- Department of Plastic Surgery, Xijing Hospital, University of The Fourth Military Medical University, Xi'an, China.
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Cui SQ, Wang Q, Zheng Y, Xiao B, Sun HW, Gu XL, Zhang YC, Fu CH, Dong PX, Wang XM. Puerarin protects against damage to spatial learning and memory ability in mice with chronic alcohol poisoning. ACTA ACUST UNITED AC 2015; 48:515-22. [PMID: 25831201 PMCID: PMC4470310 DOI: 10.1590/1414-431x20144250] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Accepted: 10/06/2014] [Indexed: 01/08/2023]
Abstract
We evaluated the effect of puerarin on spatial learning and memory ability of mice with chronic alcohol poisoning. A total of 30 male C57BL/6 mice were randomly divided into model, puerarin, and control groups (n=10 each). The model group received 60% (v/v) ethanol by intragastric administration followed by intraperitoneal injection of normal saline 30 min later. The puerarin group received intragastric 60% ethanol followed by intraperitoneal puerarin 30 min later, and the control group received intragastric saline followed by intraperitoneal saline. Six weeks after treatment, the Morris water maze and Tru Scan behavioral tests and immunofluorescence staining of cerebral cortex and hippocampal neurons (by Neu-N) and microglia (by Ib1) were conducted. Glutamic acid (Glu) and gamma amino butyric acid (GABA) in the cortex and hippocampus were assayed by high-performance liquid chromatography (HPLC), and tumor necrosis factor (TNF)-α and interleukin (IL)-1β were determined by ELISA. Compared with mice in the control group, escape latency and distance were prolonged, and spontaneous movement distance was shortened (P<0.05) by puerarin. The number of microglia was increased in both the cortex and hippocampal dentate gyrus (P<0.01), and neurons were reduced only in the hippocampal dentate gyrus (P<0.01) in puerarin-treated mice. In the model group, Glu and GABA levels decreased (P<0.05), and Glu/GABA, TNF-α, and IL-1β increased (P<0.01) with puerarin treatment, returning to near normal levels. In conclusion, puerarin protected against the effects of chronic alcohol poisoning on spatial learning and memory ability primarily because of anti-inflammatory activity and regulation of the balance of Glu and GABA.
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Affiliation(s)
- S Q Cui
- China Shandong Provincial Engineering Laboratory of New Pharmaceutical Excipients, Sustained and Controlled Release Technology, College of Medicine and Nursing, Dezhou University, Dezhou, China
| | - Q Wang
- Department of Physiology, Capital Medical University, Beijing, China
| | - Y Zheng
- Department of Physiology, Capital Medical University, Beijing, China
| | - B Xiao
- Department of Physiology, Capital Medical University, Beijing, China
| | - H W Sun
- China Shandong Provincial Engineering Laboratory of New Pharmaceutical Excipients, Sustained and Controlled Release Technology, College of Medicine and Nursing, Dezhou University, Dezhou, China
| | - X L Gu
- China Shandong Provincial Engineering Laboratory of New Pharmaceutical Excipients, Sustained and Controlled Release Technology, College of Medicine and Nursing, Dezhou University, Dezhou, China
| | - Y C Zhang
- China Shandong Provincial Engineering Laboratory of New Pharmaceutical Excipients, Sustained and Controlled Release Technology, College of Medicine and Nursing, Dezhou University, Dezhou, China
| | - C H Fu
- China Shandong Provincial Engineering Laboratory of New Pharmaceutical Excipients, Sustained and Controlled Release Technology, College of Medicine and Nursing, Dezhou University, Dezhou, China
| | - P X Dong
- China Shandong Provincial Engineering Laboratory of New Pharmaceutical Excipients, Sustained and Controlled Release Technology, College of Medicine and Nursing, Dezhou University, Dezhou, China
| | - X M Wang
- Department of Physiology, Capital Medical University, Beijing, China
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Zuo QF, Zhang R, Li BS, Zhao YL, Zhuang Y, Yu T, Gong L, Li S, Xiao B, Zou QM. MicroRNA-141 inhibits tumor growth and metastasis in gastric cancer by directly targeting transcriptional co-activator with PDZ-binding motif, TAZ. Cell Death Dis 2015; 6:e1623. [PMID: 25633292 PMCID: PMC4669771 DOI: 10.1038/cddis.2014.573] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 11/19/2014] [Accepted: 12/02/2014] [Indexed: 12/20/2022]
Abstract
Gastric cancer (GC) is a biologically heterogeneous disease accompanying various genetic and epigenetic alterations, and the molecular mechanisms underlying this disease are complex and not completely understood. Increasing evidence shows that abnormal microRNA (miRNA) expression is involved in GC tumorigenesis, but the role of specific miRNAs involved in this disease remains elusive. MiR-141 was previously reported to act as tumor suppressors or oncogenes in diverse cancers. However, their accurate expression, function and mechanism in GC are largely unclear. Here we found that the expression of miR-141 was significantly reduced in GC compared with paired adjacent normal tissues and was significantly correlated with a more aggressive phenotype of GC in patients. Ectopic expression of miR-141 mimics in GC cell lines resulted in reduced proliferation, invasion and migration, and inhibition of miR-141 in GC cell lines promoted cell proliferation, invasion and migration in vitro. We further demonstrated that miR-141 acted as tumor suppressors through targeting transcriptional co-activator with PDZ-binding motif (TAZ) in GC. Moreover, the inverse relationship between miR-141 and its target was verified in patients and xenograft mice. Finally, overexpression of miR-141 suppressed tumor growth and pulmonary metastasis in nude mice. Take together, we identified that miR-141 is a potent tumor suppressor in the stomach, and its growth inhibitory effects are, in part, mediated through its downstream target gene, TAZ. These findings implied that miR-141 might be employed as novel prognostic markers and therapeutic targets of GC.
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Affiliation(s)
- Q-F Zuo
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - R Zhang
- Research and Service Center of Laboratory Medicine, ChengDu Military General Hospital, Chengdu 610083, PR China
| | - B-S Li
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - Y-L Zhao
- General Surgery and Center of Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, Chongqing 400038, PR China
| | - Y Zhuang
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - T Yu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - L Gong
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - S Li
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - B Xiao
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - Q-M Zou
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
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Yi F, Xu HW, Long LL, Feng L, Zhou L, Li SY, Jiang HY, Xiao B. Vulnerability of calbindin-positive interneurons to status epilepticus varies in different regions of rat hippocampus. NEUROCHEM J+ 2014. [DOI: 10.1134/s1819712414040126] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Xiao B, Walter B, Gkioukelas I, Zickler T, Adelson E, Bala K. Looking against the light: how perception of translucency depends on lighting direction and phase function. J Vis 2014. [DOI: 10.1167/14.10.1316] [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] Open
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Zhang MQ, Sun DN, Xie YY, Peng GY, Xia J, Long HY, Xiao B. Three-dimensional visualization of rat brain microvasculature following permanent focal ischaemia by synchrotron radiation. BJR Case Rep 2014. [DOI: 10.1259/bjrcr.20130670] [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: 11/05/2022] Open
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Li BS, Zuo QF, Zhao YL, Xiao B, Zhuang Y, Mao XH, Wu C, Yang SM, Zeng H, Zou QM, Guo G. MicroRNA-25 promotes gastric cancer migration, invasion and proliferation by directly targeting transducer of ERBB2, 1 and correlates with poor survival. Oncogene 2014; 34:2556-65. [PMID: 25043310 DOI: 10.1038/onc.2014.214] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 06/03/2014] [Accepted: 06/06/2014] [Indexed: 12/14/2022]
Abstract
Gastric cancer (GC) is one of the most common tumors and the molecular mechanism underlying its metastasis is still largely unclear. Here, we show that miR-25 was overexpressed in plasma and primary tumor tissues of GC patients with tumor node metastasis stage (III or IV) or lymph node metastasis. MiR-25 inhibition significantly decreased the metastasis, invasion and proliferation of GC cells in vitro, and reduced their capacity to develop distal pulmonary metastases and peritoneal dissemination in vivo. Furthermore, miR-25 repressed transducer of ERBB2, 1 (TOB1) expression by directly binding to TOB1-3'-UTR, and the inverse correlation was observed between the expressions of miR-25 and TOB1 mRNA in primary GC tissues. Moreover, the loss of TOB1 increased the metastasis, invasion and proliferation of GC cells, and the restoration of TOB1 led to suppressed metastasis, invasion and proliferation. The receiver operating characteristics analysis yielded an area under the curve value of 0.7325 in distinguishing the GC patients with death from those with survival. The analysis of optimal cutoff value revealed poor survival in GC patients with high plasma concentrations of miR-25 (>0.2333 amol/μl). Taken together, miR-25 promotes GC progression by directly downregulating TOB1 expression, and may be a noninvasive biomarker for the prognosis of GC patients.
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Affiliation(s)
- B-S Li
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - Q-F Zuo
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - Y-L Zhao
- General Surgery and Center of Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, Chongqing, PR China
| | - B Xiao
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - Y Zhuang
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - X-H Mao
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - C Wu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - S-M Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, PR China
| | - H Zeng
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - Q-M Zou
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
| | - G Guo
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, PR China
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Zhang MQ, Sun DN, Xie YY, Peng GY, Xia J, Long HY, Xiao B. Three-dimensional visualization of rat brain microvasculature following permanent focal ischaemia by synchrotron radiation. Br J Radiol 2014; 87:20130670. [PMID: 24702152 DOI: 10.1259/bjr.20130670] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
OBJECTIVE Identifying morphological changes that occur in microvessels under both normal and ischaemic conditions is crucial for understanding and treating stroke. However, conventional imaging techniques are not able to detect microvessels on a micron or sub-micron scale without angiography. In the present study, synchrotron radiation (SR)-based X-ray in-line phase contrast imaging (ILPCI) was used to acquire high-resolution and high-contrast images of rat brain tissues in both normal and ischaemic states. METHODS ILPCI was performed at the Shanghai Synchrotron Radiation Facility, Shanghai, China, without the use of contrast agents. CT slices were reformatted and then converted into three-dimensional (3D) reconstruction images to analyse subtle details of the cerebral microvascular network. RESULTS By using ILPCI, brain vessels up to 11.8 μm in diameter were resolved. The number of cortical and penetrating arteries detected were found to undergo a remarkable decrease within the infarct area. 3 days after permanent ischaemia, vascular masses were also observed in the peripheral region of the infarcts. CONCLUSION SR-based ILPCI-CT can serve as a powerful tool to accurately visualize brain microvasculature. The morphological parameters of blood vessels in both CT slices and 3D reconstructions were determined, and this approach has great potential for providing an effective diagnosis and evaluation for rehabilitation therapy for stroke. ADVANCES IN KNOWLEDGE In the absence of contrast agent, the 3D morphologies of the brain microvasculature in normal and stroke rats were obtained using SR-based ILPCI. SR imaging is a sensitive and promising method which can be used to explore primary brain function.
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Affiliation(s)
- M Q Zhang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
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Xiao B, Walter B, Gkioulekas I, Zickler T, Adelson E, Bala K. Looking against the light: How perception of translucency depends on lighting direction. J Vis 2014; 14:17. [DOI: 10.1167/14.3.17] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Blackler AR, Morgan NY, Gao B, Olano LR, Armani MD, Romantseva E, Kakareka JW, Bonner RF, Mukherjee S, Xiao B, Tran K, Pohida TJ, Emmert-Buck MR, Tangrea MA, Markey SP. Proteomic analysis of nuclei dissected from fixed rat brain tissue using expression microdissection. Anal Chem 2013; 85:7139-45. [PMID: 23799655 DOI: 10.1021/ac400691k] [Citation(s) in RCA: 9] [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: 12/28/2022]
Abstract
Expression microdissection (xMD) is a high-throughput, operator-independent technology that enables the procurement of specific cell populations from tissue specimens. In this method, histological sections are first stained for cellular markers via either chemical or immuno-guided methods, placed in close contact with an ethylene vinyl acetate (EVA) film, and exposed to a light source. The focal, transient heating of the stained cells or subcellular structures melts the EVA film selectively to the targets for procurement. In this report, we introduce a custom-designed flashcube system that permits consistent and reproducible microdissection of nuclei across an FFPE rat brain tissue section in milliseconds. In addition, we present a method to efficiently recover and combine captured proteins from multiple xMD films. Both light and scanning electron microscopy demonstrated captured nuclear structures. Shotgun proteomic analysis of the samples showed a significant enrichment in nuclear localized proteins, with an average 25% of recovered proteins localized to the nucleus, versus 15% for whole tissue controls (p < 0.001). Targeted mass spectrometry using multiple reaction monitoring (MRM) showed more impressive data, with a 3-fold enrichment in histones, and a concurrent depletion of proteins localized to the cytoplasm, cytoskeleton, and mitochondria. These data demonstrate that the flashcube-xMD technology is applicable to the proteomic study of a broad range of targets in molecular pathology.
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Affiliation(s)
- A R Blackler
- National Cancer Institute, NIH, Bethesda, Maryland 20892, United States
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Li Y, Rauniyar VK, Yin WF, Hu B, Ouyang S, Xiao B, Yang H. Serum IL-21 levels decrease with glucocorticoid treatment in myasthenia gravis. Neurol Sci 2013; 35:29-34. [DOI: 10.1007/s10072-013-1460-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Accepted: 05/14/2013] [Indexed: 01/14/2023]
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