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Liu P, Zhang X, Deng G, Guo W. Sociodemographic factors impacting the spatial distribution of private dental clinics in major cities of Peoples Republic of China. Int Dent J 2024:S0020-6539(24)00095-9. [PMID: 38631944 DOI: 10.1016/j.identj.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 03/04/2024] [Accepted: 03/15/2024] [Indexed: 04/19/2024] Open
Abstract
OBJECTIVES Investigate the geographical distribution of private dental practices in major Chinese cities and analyze the variables influencing this distribution. METHODS This study used Python to extract various types of Point of Interest (POI) data spanning from 2016 to 2022 from the AutoNavi map. A 1km*1km grid was constructed to establish the study sample. Additional spatial pattern data, including nighttime lighting, population, and air quality data, were integrated into this grid. Global Moran's I index was used to analyze the spatial autocorrelation. The spatial lag model was used to explore the influencing factors of private dental practice distribution. RESULTS This study reveals a specific clustering pattern for private dental practices in major Chinese cities. The primary influencing factors include nighttime lights, population density, and housing prices, suggesting that dental practices are typically concentrated in highly developed regions with dense populations and high housing costs. Additionally, we discovered that patterns vary across different metropolises, with the most pronounced clustering patterns and substantial inequalities found in the most developed areas. CONCLUSIONS This study establishes that factors such as regional development and population density positively correlate with private dental practice. Additionally, it reveals a strong mutual correlation in the clustering of dental practices, which does not show a substantial correlation with public resources. Finally, it suggests that the spatial heterogeneity pattern implies a rising necessity to tackle inequality issues within urban areas as economic development progresses.
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Affiliation(s)
- Pengbo Liu
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, PR China
| | - Xuyuan Zhang
- Department of Economics, University of Michigan, Ann Arbor, Michigan, USA
| | - Guoying Deng
- School of Economics, Sichuan University, Chengdu, Sichuan, PR China.
| | - Weihua Guo
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, PR China; Yunnan Key Laboratory of Stomatology, Kunming Medical University, Kunming, Yunnan, PR China; Department of Pediatric Dentistry, The Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, PR China.
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2
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Wen H, Deng G, Shi X, Liu Z, Lin A, Cheng Q, Zhang J, Luo P. Body mass index, weight change, and cancer prognosis: a meta-analysis and systematic review of 73 cohort studies. ESMO Open 2024; 9:102241. [PMID: 38442453 PMCID: PMC10925937 DOI: 10.1016/j.esmoop.2024.102241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/19/2023] [Accepted: 01/09/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND Identifying the association between body mass index (BMI) or weight change and cancer prognosis is essential for the development of effective cancer treatments. We aimed to assess the strength and validity of the evidence of the association between BMI or weight change and cancer prognosis by a systematic evaluation and meta-analysis of relevant cohort studies. METHODS We systematically searched the PubMed, Web of Science, EconLit, Embase, Food Sciences and Technology Abstracts, PsycINFO, and Cochrane databases for literature published up to July 2023. Inclusion criteria were cohort studies with BMI or weight change as an exposure factor, cancer as a diagnostic outcome, and data type as an unadjusted hazard ratio (HR) or headcount ratio. Random- or fixed-effects models were used to calculate the pooled HR along with the 95% confidence interval (CI). RESULTS Seventy-three cohort studies were included in the meta-analysis. Compared with normal weight, overweight or obesity was a risk factor for overall survival (OS) in patients with breast cancer (HR 1.37, 95% CI 1.22-1.53; P < 0.0001), while obesity was a protective factor for OS in patients with gastrointestinal tumors (HR 0.67, 95% CI 0.56-0.80; P < 0.0001) and lung cancer (HR 0.67, 95% CI 0.48-0.92; P = 0.01) compared with patients without obesity. Compared with normal weight, underweight was a risk factor for OS in patients with breast cancer (HR 1.15, 95% CI 0.98-1.35; P = 0.08), gastrointestinal tumors (HR 1.54, 95% CI 1.32-1.80; P < 0.0001), and lung cancer (HR 1.28, 95% CI 1.22-1.35; P < 0.0001). Compared with nonweight change, weight loss was a risk factor for OS in patients with gastrointestinal cancer. CONCLUSIONS Based on the results of the meta-analysis, we concluded that BMI, weight change, and tumor prognosis were significantly correlated. These findings may provide a more reliable argument for the development of more effective oncology treatment protocols.
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Affiliation(s)
- H Wen
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong
| | - G Deng
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong; The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong
| | - X Shi
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong
| | - Z Liu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing; Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - A Lin
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong.
| | - Q Cheng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Hunan, China.
| | - J Zhang
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong.
| | - P Luo
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong.
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Gu K, Feng S, Zhang X, Peng Y, Sun P, Liu W, Wu Y, Yu Y, Liu X, Liu X, Deng G, Zheng J, Li B, Zhao L. Deciphering the antifungal mechanism and functional components of cinnamomum cassia essential oil against Candida albicans through integration of network-based metabolomics and pharmacology, the greedy algorithm, and molecular docking. J Ethnopharmacol 2024; 319:117156. [PMID: 37729978 DOI: 10.1016/j.jep.2023.117156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 08/30/2023] [Accepted: 09/07/2023] [Indexed: 09/22/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fungal pathogens can cause deadly invasive infections and have become a major global public health challenge. There is an urgent need to find new treatment options beyond established antifungal agents, as well as new drug targets that can be used to develop novel antifungal agents. Cinnamomum cassia is a tropical aromatic plant that has a wide range of applications in traditional Chinese medicine, especially in the treatment of bacterial and fungal infections. AIM OF THE STUDY The present study aimed to explore the mechanism of action and functional components of Cinnamomum cassia essential oil (CEO) against Candida albicans using an integrated strategy combining network-based metabolomics and pharmacology, the greedy algorithm and molecular docking. MATERIALS AND METHODS CEO was extracted using hydrodistillation and its chemical composition was identified by GC-MS. Cluster analysis was performed on the compositions of 19 other CEOs from the published literature, as well as the sample obtained in this study. The damages of C. albicans cells upon treatment with CEO was observed using a scanning electron microscope. The mechanisms of its antifungal effect at a subinhibitory concentration of 0.1 × MIC were determined using microbial metabolomics and network analysis. The functional components were studied using the greedy algorithm and molecular docking. RESULTS A total of 69 compounds were identified in the chemical analysis of CEO, which accounted for 90% of the sample. The major compounds were terpenoids (34.04%), aromatic compounds (4.52%), aliphatic compounds (0.9%), and others. Hierarchical cluster analysis of the compositions of 20 essential oils extracted from Cinnamomum cassia grown in different geographical locations showed a wide diversity of chemical composition with four major chemotypes. CEO showed strong antifungal activity and caused destruction of cell membranes in a concentration-dependent way. Metabolic fingerprint analysis identified 29 metabolites associated with lipid metabolism, which were mapped to 23 core targets mainly involved in fatty acid biosynthesis and metabolism. Six antifungal functional components of CEO were identified through network construction, greedy algorithm and molecular docking, including trans-cinnamaldehyde, δ-cadinol, ethylcinnamate, safrole, trans-anethole, and trans-cinnamyl acetate, which showed excellent binding with specific targets of AKR1B1, PPARG, BCHE, CYP19A1, CYP2C19, QPCT, and CYP51A1. CONCLUSIONS This study provides a systematic understanding of the antifungal activity of CEO and offers an integrated strategy for deciphering the potential metabolism and material foundation of complex component drugs.
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Affiliation(s)
- Keru Gu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Shengyi Feng
- Center of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Xinyue Zhang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Yuanyuan Peng
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Peipei Sun
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Wenchi Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Yi Wu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Yun Yu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Xiaohui Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201620, China
| | - Jun Zheng
- Center of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China.
| | - Bo Li
- Center of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China.
| | - Linjing Zhao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China.
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Liu Y, Zhang J, Leng G, Hu J, Wang W, Deng G, Ma Y, Sha S. Mycobacterium tuberculosis Rv1987 protein attenuates inflammatory response and consequently alters microbiota in mouse lung. Front Cell Infect Microbiol 2023; 13:1256866. [PMID: 38029253 PMCID: PMC10646435 DOI: 10.3389/fcimb.2023.1256866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Healthy lung microbiota plays an important role in preventing Mycobacterium tuberculosis (Mtb) infections by activating immune cells and stimulating production of T-helper cell type 1 cytokines. The dynamic stability of lung microbiota relies mostly on lung homeostasis. In our previous studies, we found that Mtb virulence factor, Rv1987 protein, can mediate host immune response and enhance mycobacterial survival in host lung. However, the alteration of lung microbiota and the contribution of lung microbiota dysbiosis to mycobacterial evasion in this process are not clear so far. Methods M. smegmatis which does not contain the ortholog of Rv1987 protein was selected as a model strain to study the effects of Rv1987 on host lung microbiota. The lung microbiota, immune state and metabolites of mice infected by M. smegmatis overexpressing Rv1987 protein (MS1987) were detected and analyzed. Results The results showed that Rv1987 inhibited inflammatory response in mouse lung and anaerobic bacteria and Proteobacteria, Bacteroidota, Actinobacteriota and Acidobacteriota bacteria were enriched in the lung tissues correspondingly. The immune alterations and microbiota dysbiosis affected host metabolic profiles, and some of significantly altered bacteria in MS1987-infected mouse lung, such as Delftia acidovorans, Ralstonia pickettii and Escherichia coli, led to anti-inflammatory responses in mouse lung. The secretory metabolites of these altered bacteria also influenced mycobacterial growth and biofilm formation directly. Conclusion All these results suggested that Rv1987 can attenuate inflammatory response and alter microbiota in the lung, which in turn facilitates mycobacterial survival in the host.
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Affiliation(s)
- Yingying Liu
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning, China
| | - Jiaqi Zhang
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning, China
| | - Guangxian Leng
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning, China
| | - Junxing Hu
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning, China
| | - Wenzhen Wang
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning, China
| | - Guoying Deng
- Department of Microbiology, Dalian Medical University, Dalian, Liaoning, China
| | - Yufang Ma
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning, China
- Department of Microbiology, Dalian Medical University, Dalian, Liaoning, China
| | - Shanshan Sha
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning, China
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Zhang Z, Wang J, Luo Y, Li C, Sun Y, Wang K, Deng G, Zhao L, Yuan C, Lu J, Chen Y, Wan J, Liu X. A pH-responsive ZC-QPP hydrogel for synergistic antibacterial and antioxidant treatment to enhance wound healing. J Mater Chem B 2023; 11:9300-9310. [PMID: 37727911 DOI: 10.1039/d3tb01567j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
The problems of bacterial resistance and high oxidation level severely limit wound healing. Therefore, we constructed a multifunctional platform of chitosan quaternary ammonium salts (QCS)/polyvinyl alcohol (PVA)/polyethylene glycol (PEG) hydrogels (QPP) loaded with ZnO@CeO2 (ZC-QPP). Firstly, the hydrogel was co-cross-linked by hydrogen and borate ester bonds, which allows easy adherence to a tissue surface for offering a protective barrier and moist environment for wounds. The chitosan quaternary ammonium salts due to their amino groups have inherent antibacterial properties to induce bacterial death. In response to the acidic conditions of the bacterial infection microenvironment, the borate ester bonds in the QPP hydrogel break and the ZC NCs dispersed in the hydrogel are released. The gradual dissociation of Zn2+ under acidic conditions can directly damage bacterial membranes. The wound site of bacterial infection always causes overexpression of reactive oxygen species (ROS) levels, often leading to inflammation and preventing rapid wound repair. CeO2 can eliminate excess ROS to reduce the inflammatory response. From in vitro and in vivo results, the high biosafety of the ZC-QPP hydrogel has demonstrated excellent antibacterial and antioxidant performance to enhance wound healing. Therefore, the ZC-QPP hydrogel opens a method to develop multifunctional synergistic therapeutic platforms combining enzyme-like nanomaterials with hydrogels for synergistic antibacterial and antioxidant treatment to promote wound healing.
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Affiliation(s)
- Ziwen Zhang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Jinxia Wang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Yu Luo
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Chunlin Li
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
| | - Yangang Sun
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Kaiyang Wang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
| | - Linjing Zhao
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Chunping Yuan
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Jie Lu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Ying Chen
- Department of Radiation Oncology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, No. 1111, Xianxia Road, Shanghai 200336, China
| | - Jian Wan
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
- Department of Emergency and Critical Care Medicine, Shanghai Pudong New Area People's Hospital, China.
| | - Xijian Liu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
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Zhang Z, Yang C, Wang Y, Deng G, Chang J. Investigating the intentions and reasons of senior high school students in registering for nursing education in China. BMC Nurs 2023; 22:311. [PMID: 37700328 PMCID: PMC10496206 DOI: 10.1186/s12912-023-01480-w] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 09/04/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGROUND A shortage of qualified nurses and their low level of educational qualifications hinders the development of global health services. Studies have proven the role of nursing education in addressing these problems. However, no related studies have focused on senior high school students in China. This study aimed to explore senior high school students' intentions to learn nursing and identify the factors influencing their decision-making processes. METHODS An anonymous questionnaire was distributed to 8050 senior high school students, which included questions regarding their demographic characteristics, obtaining nursing specialty information, cognition of the nursing occupation and the impact of the COVID-19 on the nursing profession. Descriptive calculation, the chi-square test and logistic regression were used for the analysis. RESULTS Only 0.73% of the participants had a clear intention to study nursing. Academic performance and family support were significant predictors of students' intentions to pursue nursing education. Students' interest in nursing specialties was associated with their choice. There was a positive correlation between cognition of nursing occupation and students' choice of nursing. Students' experience of the COVID-19 pandemic also had a positive impact on their nursing career choice. CONCLUSION This survey to some extent reflects the problem of nurses shortage in China. In addition, these findings may also provide a new perspective for predictors of nursing shortage and potential interventions.
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Affiliation(s)
- Zhong Zhang
- Nursing Department, Shanghai General Hospital, Shanghai Jiao Tong University School of Nursing, Shanghai, 201620, China
| | - Chaoqun Yang
- Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ying Wang
- Nursing Department, Shanghai General Hospital, Shanghai Jiao Tong University School of Nursing, Shanghai, 201620, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201620, China
| | - Jian Chang
- Nursing Department, Shanghai General Hospital, Shanghai Jiao Tong University School of Nursing, Shanghai, 201620, China.
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Hirata H, Hinoda Y, Shahryari V, Deng G, Tanaka Y, Tabatabai ZL, Dahiya R. Editorial Expression of Concern: Genistein downregulates onco-miR-1260b and upregulates sFRP1 and Smad4 via demethylation and histone modification in prostate cancer cells. Br J Cancer 2023; 129:735. [PMID: 37507546 PMCID: PMC10421853 DOI: 10.1038/s41416-023-02365-0] [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: 07/30/2023] Open
Affiliation(s)
- H Hirata
- Department of Urology, San Francisco Veterans Affairs Medical Center and University of California at San Francisco, San Francisco, CA, USA
| | - Y Hinoda
- Department of Oncology and Laboratory Medicine, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - V Shahryari
- Department of Urology, San Francisco Veterans Affairs Medical Center and University of California at San Francisco, San Francisco, CA, USA
| | - G Deng
- Department of Urology, San Francisco Veterans Affairs Medical Center and University of California at San Francisco, San Francisco, CA, USA
| | - Y Tanaka
- Department of Urology, San Francisco Veterans Affairs Medical Center and University of California at San Francisco, San Francisco, CA, USA
| | - Z L Tabatabai
- Department of Pathology, San Francisco Veterans Affairs Medical Center and University of California at San Francisco, San Francisco, CA, USA
| | - R Dahiya
- Department of Urology, San Francisco Veterans Affairs Medical Center and University of California at San Francisco, San Francisco, CA, USA.
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Wang R, Yin Y, Zhang H, Pan L, Zhu Y, Wang M, Huang Z, Wang W, Deng G. Risk factors associated with the prevalence of neck and shoulder pain among high school students: a cross-sectional survey in China. BMC Musculoskelet Disord 2023; 24:641. [PMID: 37559076 PMCID: PMC10410815 DOI: 10.1186/s12891-023-06656-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/21/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND After the COVID-19 outbreak, many Chinese high school students have increased their dependence on electronic devices for studying and life, which may affect the incidence of neck and shoulder pain (NSP) in Chinese adolescents. METHODS To evaluate the prevalence of NSP in high school students and its associated risk factors during COVID-19, a survey was conducted among 5,046 high school students in Shanghai, Qinghai, Henan and Macao during the second semester and summer vacation of the 2019-2020 academic year. The questionnaire included questions regarding demographic characteristics, the prevalence of NSP and lifestyle factors such as sedentary behavior, poor posture and electronic device usage. Univariable and multivariable logistic regression was used to analyze the possible influencing factors for neck and shoulder pain. RESULTS A total of 4793 valid questionnaires (95.0%) were collected. The results indicated that the prevalence of NSP was 23.7% among high school students. Binary logistic regression analysis revealed that female gender (P < 0.05, OR = 1.82), grade (P < 0.05, range OR 1.40-1.51) and subject selection (P < 0.05, range OR 0.49-0.68) were risk factors for NSP in high school students. Sedentary behavior (P < 0.05, range OR 1.74-2.36), poor posture (P < 0.05, range OR 1.19-2.56), backpack weight (P < 0.05, range OR 1.17-1.88), exercise style and frequency (P < 0.05, range OR 1.18-1.31; P < 0.05, range OR 0.76-0.79, respectively), and the time spent using electronic devices (P < 0.05, range OR 1.23-1.38)had a significant correlation with NSP in high school students. CONCLUSIONS NSP is currently very common among high school students during the outbreak of COVID-19. Sedentary behavior, poor posture and other factors have a great impact on the occurrence of NSP in high school students. Education regarding healthy lifestyle choices should be advocated for to decrease NSP among high school students, such as more physical activity, changing poor postures and reducing the amount of time spent using electronic devices.
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Affiliation(s)
- Ruilong Wang
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Yue Yin
- Department of Laboratory Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Haoliang Zhang
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Letian Pan
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Yuanting Zhu
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Mingxiu Wang
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Ziyin Huang
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Weiheng Wang
- Department of Orthopaedics, Second Affiliated Hospital of Naval Medical University, NO.415 Fengyang Road, Shanghai, China.
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China.
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China.
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Han Z, Luo Q, Deng G, Bi C, Yin G, Lin H, Wu J, Wu X. Canceling Notch Improves the Mechanical Safety of Clavicle Locking Plate: A 3D Finite Element Study. Orthop Surg 2023; 15:2152-2156. [PMID: 36349872 PMCID: PMC10432472 DOI: 10.1111/os.13558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/07/2022] [Accepted: 09/16/2022] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE Implant failure is a disastrous complication of the operative treatment of midshaft clavicle fractures, and improving the osteosynthesis plate is a strategy for preventing this. We aimed to investigate whether canceling the notch and adding screw-hole inserts enhanced the mechanical properties of the plate. METHODS A clavicle model was generated based on the CT images of six adult volunteers (age range, 20-40 years; three males and three females; height range 160-175) using dedicated software, and a midshaft fracture model was created. The domestically made seven-hole locking plate commonly used for midshaft clavicle fractures was simulated (Model I); modifications were made to the plate (Model II). Using 3D finite element analysis, we simulated the fracture construct under three different load conditions-downward cantilever bending, axial compression, and axial torsion-and compared the stress distribution. RESULTS We found that under axial compression, Model II experienced its maximum stress on the plate at 551.9MPa, which was less than that in Model I (790.4 MPa). Moreover, a greater stress concentration at the fracture site was observed under axial torsion, despite the maximum stress of both the models being similar. CONCLUSION Canceling the notch and filling the screw holes near the fracture can ameliorate stress concentration on the internal fixation construct and enhance its reliability under axial compression. This improvement has substantial effects on the mechanical properties of implants and potentially prevents implant failure. Modern osteosynthesis anatomical implants need to be improved.
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Affiliation(s)
- Zhihua Han
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
- Sino‐Euro Orthopaedics NetworkBerlinGermany
| | - Qian Luo
- Department of Radiology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
| | - Guoying Deng
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
| | - Chun Bi
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
| | - Gang Yin
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
| | - Haodong Lin
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
| | - Jianhong Wu
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
| | - Xiaoming Wu
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General HospitalShanghai Jiaotong UniversityShanghaiChina
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Wang W, Xiao B, Yu L, Wang H, Qi J, Xi Y, Deng G, Gu X, Xu G. Effect of species, concentration and volume of local anesthetics on intervertebral disk degeneration in rats with discoblock. Eur Spine J 2022; 31:2960-2971. [PMID: 36152221 DOI: 10.1007/s00586-022-07398-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/26/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
PURPOSE Discoblock is effective in relieving discogenic low back pain, but it can also cause intervertebral disk degeneration (IDD). The effect of species, concentration and volume of local anesthetics on IDD with discoblock have not been reported. The purpose was to study the effect of species, concentration and volume of local anesthetics on IDD in rats undergoing discoblock. METHODS The effects of local anesthetics on nucleus pulposus cell (NPC) viability in vitro were studied. NPCs were exposed to lidocaine, bupivacaine and ropivacaine at different concentrations. NPC viability was measured. The least cytotoxic local anesthetic was used in vivo. The concentration and volume of local anesthetics on IDD in rat with discoblocks were tested in vivo. Detection indicators included X-ray, MRI, water content of the disk and histological changes. RESULTS The toxicity of local anesthetics to NPCs was dose and time dependent, and the cytotoxicity of different local anesthetics was different. Among the three local anesthetics, ropivacaine was the least toxic to NPCs. The effect of ropivacaine concentration on IDD was not significant, as detected by X-ray, MRI, disk water content and histology (P < 0.05). The volume of ropivacaine has a significant effect on IDD, as supported by X-ray, MRI, disk water content and histology (P < 0.05). Acupuncture itself significantly increased IDD, as detected by MRI, disk water content and histology (P < 0.05). CONCLUSION Ropivacaine should be selected for its low cytotoxicity. A lower volume and slow injection speed should be used to reduce IDD during discoblock.
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Affiliation(s)
- Weiheng Wang
- Department of Orthopaedics, Second Affiliated Hospital of Naval Medical University, NO.415 Fengyang Road, Shanghai, People's Republic of China.
| | - Bing Xiao
- Department of Orthopaedics, Second Affiliated Hospital of Naval Medical University, NO.415 Fengyang Road, Shanghai, People's Republic of China
| | - Lei Yu
- Department of Orthopaedics, The 73Rd Group Army Hospital of PLA, NO.94-96 Wenyuan Road, Xiamen, People's Republic of China
| | - Haotian Wang
- Department of Orthopaedics, Second Affiliated Hospital of Naval Medical University, NO.415 Fengyang Road, Shanghai, People's Republic of China
| | - Junqiang Qi
- Department of Orthopaedics, Second Affiliated Hospital of Naval Medical University, NO.415 Fengyang Road, Shanghai, People's Republic of China
| | - Yanhai Xi
- Department of Orthopaedics, Second Affiliated Hospital of Naval Medical University, NO.415 Fengyang Road, Shanghai, People's Republic of China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, 650 Xin Songjiang Road, NO, Shanghai, People's Republic of China
| | - Xin Gu
- Department of Orthopaedics, Tongren Hospital, Shanghai Jiaotong University, No. 1111, Xianxia Road, Shanghai, People's Republic of China
| | - Guohua Xu
- Department of Orthopaedics, Second Affiliated Hospital of Naval Medical University, NO.415 Fengyang Road, Shanghai, People's Republic of China
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11
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Wang X, Ding C, Zhang Z, Li C, Cao D, Zhao L, Deng G, Luo Y, Yuan C, Lu J, Liu X. Degradable nanocatalyst enables antitumor/antibacterial therapy and promotion of wound healing for diabetes via self-enhanced cascading reaction. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107951] [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: 11/28/2022]
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12
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Zhang N, Peng Y, Zhao L, He P, Zhu J, Liu Y, Liu X, Liu X, Deng G, Zhang Z, Feng M. Integrated Analysis of Gut Microbiome and Lipid Metabolism in Mice Infected with Carbapenem-Resistant Enterobacteriaceae. Metabolites 2022; 12:metabo12100892. [PMID: 36295794 PMCID: PMC9609999 DOI: 10.3390/metabo12100892] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 09/15/2022] [Accepted: 09/16/2022] [Indexed: 11/22/2022] Open
Abstract
The disturbance in gut microbiota composition and metabolism has been implicated in the process of pathogenic bacteria infection. However, the characteristics of the microbiota and the metabolic interaction of commensals−host during pathogen invasion remain more than vague. In this study, the potential associations of gut microbes with disturbed lipid metabolism in mice upon carbapenem-resistant Escherichia coli (CRE) infection were explored by the biochemical and multi-omics approaches including metagenomics, metabolomics and lipidomics, and then the key metabolites−reaction−enzyme−gene interaction network was constructed. Results showed that intestinal Erysipelotrichaceae family was strongly associated with the hepatic total cholesterol and HDL-cholesterol, as well as a few sera and fecal metabolites involved in lipid metabolism such as 24, 25-dihydrolanosterol. A high-coverage lipidomic analysis further demonstrated that a total of 529 lipid molecules was significantly enriched and 520 were depleted in the liver of mice infected with CRE. Among them, 35 lipid species showed high correlations (|r| > 0.8 and p < 0.05) with the Erysipelotrichaceae family, including phosphatidylglycerol (42:2), phosphatidylglycerol (42:3), phosphatidylglycerol (38:5), phosphatidylcholine (42:4), ceramide (d17:1/16:0), ceramide (d18:1/16:0) and diacylglycerol (20:2), with correlation coefficients higher than 0.9. In conclusion, the systematic multi-omics study improved the understanding of the complicated connection between the microbiota and the host during pathogen invasion, which thereby is expected to lead to the future discovery and establishment of novel control strategies for CRE infection.
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Affiliation(s)
- Ning Zhang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Yuanyuan Peng
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Linjing Zhao
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Shanghai University of Engineering Science, Shanghai 201620, China
- Correspondence: ; Tel.: +86-21-6779-1214
| | - Peng He
- Minhang Hospital & School of Pharmacy, Fudan University, Shanghai 200433, China
- Shanghai Engineering Research Center of Immunotherapeutic, Shanghai 201203, China
| | - Jiamin Zhu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Yumin Liu
- Instrumental Analysis Centre, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xijian Liu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Xiaohui Liu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China
| | - Zhong Zhang
- Nursing Department, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China
| | - Meiqing Feng
- Minhang Hospital & School of Pharmacy, Fudan University, Shanghai 200433, China
- Shanghai Engineering Research Center of Immunotherapeutic, Shanghai 201203, China
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Deng G, Li Z. 1002P Compared with the difference in efficacy between EGFR-TKIs alone and EGFR-TKIs combined with craniocerebral radiotherapy in EGFR mutant lung adenocarcinoma patients with brain metastasis. A propensity-score matched analysis. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1128] [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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Cui Z, Wang W, Guo L, Liu Z, Cai P, Cui Y, Wang T, Wang C, Zhu M, Zhou Y, Liu W, Zheng Y, Deng G, Xu C, Chen X. Haptically Quantifying Young's Modulus of Soft Materials Using a Self-Locked Stretchable Strain Sensor. Adv Mater 2022; 34:e2104078. [PMID: 34423476 DOI: 10.1002/adma.202104078] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/29/2021] [Indexed: 06/13/2023]
Abstract
Simple and rapid Young's modulus measurements of soft materials adaptable to various scenarios are of general significance, and they require miniaturized measurement platforms with easy operation. Despite the advances made in portable and wearable approaches, acquiring and analyzing multiple or complicated signals necessitate tethered bulky components and careful preparation. Here, a new methodology based on a self-locked stretchable strain sensor to haptically quantify Young's modulus of soft materials (kPa-MPa) rapidly is reported. The method demonstrates a fingertip measurement platform, which endows a prosthetic finger with human-comparable haptic behaviors and skills on elasticity sensing without activity constraints. A universal strategy is offered toward ultraconvenient and high-efficient Young's modulus measurements with wide adaptability to various fields for unprecedented applications.
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Affiliation(s)
- Zequn Cui
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Wensong Wang
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Lingling Guo
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Zhihua Liu
- Institute of Materials Research and Engineering the Agency for Science, Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
| | - Pingqiang Cai
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Yajing Cui
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Ting Wang
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Changxian Wang
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Ming Zhu
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Ying Zhou
- Nursing Department, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200080, P. R. China
| | - Wenyan Liu
- Nursing Department, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200080, P. R. China
| | - Yuanjin Zheng
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Guoying Deng
- Trauma and Emergency Center, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200080, P. R. China
| | - Chuanlai Xu
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Xiaodong Chen
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
- Institute of Materials Research and Engineering the Agency for Science, Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
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Qiu P, Lin X, Deng G. [Talin1 is highly expressed in the fallopian tube and chorionic villi to promote trophoblast invasion in tubal pregnancy]. Nan Fang Yi Ke Da Xue Xue Bao 2022; 42:610-617. [PMID: 35527499 DOI: 10.12122/j.issn.1673-4254.2022.04.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the expression of Talin1 in the fallopian tube and chorionic villi in patients with tubal pregnancy and its role in regulating invasion and migration of trophoblasts. METHODS Immunohistochemistry and Western blotting were used to detect the localization and expression level of Talin1 in the fallopian tube and chorionic villi in patients with tubal pregnancy and in women with normal pregnancy. In the cell experiment, HTR-8/SVneo cells was transfected with Talin1 siRNA and the changes in cell invasion and migration were assessed using scratch assay and Transwell assay. The expressions of MMP-2, MMP-9, N-cadherin and Snail in the transfected cells were detected by qRT-PCR and Western blotting. RESULTS Positive expression of Talin1 was detected in both normal fallopian tube tissues and tissues from women tubal pregnancy, and its expression was localized mainly in the cytoplasm of cilia cells. The expression level of Talin1 was significantly higher in both the fallopian tube and chorionic villi in women with tubal pregnancy than in normal fallopian tube and chorionic villi samples (P < 0.01). In HTR-8/SVneo cells, transfection with Talin1 siRNA significantly inhibited cell invasion (P < 0.01) and migration (P < 0.05), down-regulated the expression of N-cadherin, MMP-2 and Snail (P < 0.05), and up-regulated the expression of MMP-9 in the cells (P < 0.05). CONCLUSION The expression of Talin1 in the fallopian tube and chorionic villi is significantly increased in women with tubal pregnancy, suggesting the association of Talin1-regulated trophoblast cell invasion with the occurrence of tubal pregnancy.
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Affiliation(s)
- P Qiu
- Department of Gynecology, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - X Lin
- First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - G Deng
- Department of Gynecology, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China
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Guan S, Liu X, Li C, Wang X, Cao D, Wang J, Lin L, Lu J, Deng G, Hu J. Intracellular Mutual Amplification of Oxidative Stress and Inhibition Multidrug Resistance for Enhanced Sonodynamic/Chemodynamic/Chemo Therapy. Small 2022; 18:e2107160. [PMID: 35146899 DOI: 10.1002/smll.202107160] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/09/2022] [Indexed: 06/14/2023]
Abstract
Emerging noninvasive treatments, such as sonodynamic therapy (SDT) and chemodynamic therapy (CDT), have developed as promising alternatives or supplements to traditional chemotherapy. However, their therapeutic effects are limited by the hypoxic environment of tumors. Here, a biodegradable nanocomposite-mesoporous zeolitic-imidazolate-framework@MnO2 /doxorubicin hydrochloride (mZMD) is developed, which achieves enhanced SDT/CDT/chemotherapy through promoting oxidative stress and overcoming the multidrug resistance. The mZMD decomposes under both ultrasound (US) irradiation and specific reactions in the tumor microenvironment (TME). The mZM composite structure reduces the recombination rate of e- and h+ to improve SDT. MnO2 not only oxidizes glutathione in tumor cells to enhance oxidative stress, but also converts the endogenic H2 O2 into O2 to improve the hypoxic TME, which enhances the effects of chemotherapy/SDT. Meanwhile, the generated Mn2+ catalyzes the endogenic H2 O2 into ·OH for CDT, and acts as magnetic resonance imaging agent to guide therapy. In addition, dissociated Zn2+ further breaks the redox balance of TME, and co-inhibits the expression of P-glycoprotein (P-gp) with generated ROS to overcome drug resistance. Thus, the as-prepared intelligent biodegradable mZMD provides an innovative strategy to enhance SDT/CDT/chemotherapy.
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Affiliation(s)
- Shaoqi Guan
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Institute for Frontier Medical Technology, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Xijian Liu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Institute for Frontier Medical Technology, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Chunlin Li
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, NO. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Xingyan Wang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Institute for Frontier Medical Technology, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Dongmiao Cao
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Institute for Frontier Medical Technology, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Jinxia Wang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Institute for Frontier Medical Technology, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Lizhou Lin
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201600, China
| | - Jie Lu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Institute for Frontier Medical Technology, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, NO. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Junqing Hu
- College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen, 518118, China
- Shenzhen Bay Laboratory, Shenzhen, 518132, China
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Hao F, Zhu J, Zhang N, He P, Miao Q, Liu Y, Gao Y, Liu X, Deng G, Zhang Z, Feng M, Zhao L. Association between gut microbiome and metabolome in mice suffering from acute carbapenem-resistant Escherichia coli infection. J Pharm Biomed Anal 2022; 215:114770. [DOI: 10.1016/j.jpba.2022.114770] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 03/30/2022] [Accepted: 04/13/2022] [Indexed: 02/07/2023]
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Zhu Y, Zhang J, Li C, Deng G, Li J, Liu X, Wan B, Tian Y. Porous Se@SiO 2 Nanoparticles Attenuate Radiation-Induced Cognitive Dysfunction via Modulating Reactive Oxygen Species. ACS Biomater Sci Eng 2022; 8:1342-1353. [PMID: 35230821 DOI: 10.1021/acsbiomaterials.1c01571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Radiotherapy has been widely used to manage primary and metastatic brain tumors. However, hippocampal damage and subsequent cognitive dysfunction are common complications of whole brain radiation (WBI). In this study, Se@SiO2 nanoparticles (NPs) with antioxidant properties were synthesized. Se@SiO2 NPs were characterized using X-ray diffraction (XRD) and transmission electron microscopy (TEM). The reactive oxygen species (ROS) scavenging ability of Se@SiO2 NPs was assessed using a dichloro-dihydro-fluorescein diacetate (DCFH-DA) probe. Apoptosis of HT-22 cells treated with H2O2 and Se@SiO2 NPs was assessed by annexin V-FITC/PI and JC-1 staining. Western blotting was used to evaluate inflammation-related signaling pathways. In vivo, the distribution and excretion of Se@SiO2 NPs were assessed using in vivo imaging system (IVIS). The biosafety and antioxidant effects of Se@SiO2 NPs were assessed. Neurogenesis in the hippocampus of mice was detected through neuron-specific nuclear protein (NeuN) and 5-bromo-2'-deoxyuridine (BrdU) immunofluorescence staining. The cognitive abilities of mice were also assessed using the Morris water maze test. Results showed that porous Se@SiO2 NPs were successfully synthesized with uniform spherical structures. In vitro, Se@SiO2 NPs inhibited ROS levels in mouse hippocampal neuronal cell line HT-22 treated with H2O2. Furthermore, Se@SiO2 NPs suppressed the apoptotic rate of HT-22 cells by regulating apoptosis-related proteins. Se@SiO2 NPs regulated the nuclear factor kappa B (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathways, thereby reducing the expression of inflammatory factors. In vivo, Se@SiO2 NPs showed high biocompatibility at a concentration of 1.25 μg/μL. Se@SiO2 NPs inhibited ROS and promoted neurogenesis in the hippocampus, as well as improved cognitive ability in radiation-induced mice. In conclusion, Se@SiO2 NPs protected the hippocampus from oxidative stress injury and neuroinflammation. Se@SiO2 NPs treatment may be a potential therapeutic strategy for radiation-induced cognitive dysfunction.
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Affiliation(s)
- Yiwen Zhu
- Department of Radiotherapy & Oncology, The Second Affiliated Hospital of Soochow University, Institute of Radiation Oncology, Soochow University, San Xiang Road No. 1055, Suzhou 215004, Jiangsu, China
| | - Junjun Zhang
- Department of Radiotherapy & Oncology, The Second Affiliated Hospital of Soochow University, Institute of Radiation Oncology, Soochow University, San Xiang Road No. 1055, Suzhou 215004, Jiangsu, China
| | - Chunlin Li
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201620, China
| | - Junyan Li
- Department of Radiotherapy & Oncology, The Second Affiliated Hospital of Soochow University, Institute of Radiation Oncology, Soochow University, San Xiang Road No. 1055, Suzhou 215004, Jiangsu, China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Bo Wan
- Institute of Neuroscience, Soochow University, Renai Road No. 199, Suzhou 215123, Jiangsu, China
| | - Ye Tian
- Department of Radiotherapy & Oncology, The Second Affiliated Hospital of Soochow University, Institute of Radiation Oncology, Soochow University, San Xiang Road No. 1055, Suzhou 215004, Jiangsu, China
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Yang S, Sui S, Qin Y, Chen H, Sha S, Liu X, Deng G, Ma Y. Protein O-mannosyltransferase Rv1002c contributes to low cell permeability, biofilm formation in vitro, and mycobacterial survival in mice. APMIS 2022; 130:181-192. [PMID: 34978741 DOI: 10.1111/apm.13204] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 12/28/2021] [Indexed: 01/05/2023]
Abstract
Mycobacterium tuberculosis (M. tuberculosis) Rv1002c encodes the protein O-mannosyltransferase (PMT), which catalyzes the transfer of mannose to serine or threonine residues of proteins. We explored the function of PMT in vitro and in vivo. Rv1002c protein was heterogeneously overexpressed in nonpathogenic Mycobacterium smegmatis (named as MS_Rv1002c). A series of trials including mass spectrometry, transmission electron microscope, biofilm formation and antibiotics susceptibility were performed to explore the function of PMT on bacterial survival in vitro. Mouse experiments were carried out to evaluate the virulence of PMT in vivo. PMT decreased the cell envelope permeability and promoted microbial biofilm formation. PMT enhanced the mycobacterial survival in vivo and inhibited the release of pro-inflammatory cytokines in serum. The function might be associated with an increased abundance of some mannoproteins in culture filtrate (CF). PMT is likely to be involved in mycobacterial survival both in vivo and in vitro due to increasing the mannoproteins abundance in CF.
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Affiliation(s)
- Shufeng Yang
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Shaoguang Sui
- Department of Emergency, The Second Hospital of Dalian Medical University, Dalian, China
| | - Yuanhua Qin
- Department of Parasitology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Haibo Chen
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Shanshan Sha
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Xin Liu
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Guoying Deng
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Yufang Ma
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.,Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
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Guan S, Liu X, Fu Y, Li C, Wang J, Mei Q, Deng G, Zheng W, Wan Z, Lu J. A biodegradable "Nano-donut" for magnetic resonance imaging and enhanced chemo/photothermal/chemodynamic therapy through responsive catalysis in tumor microenvironment. J Colloid Interface Sci 2022; 608:344-354. [PMID: 34626980 DOI: 10.1016/j.jcis.2021.09.186] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 12/14/2022]
Abstract
Prussian blue (PB) is a safe photothermal agent for tumor therapy, yet poor photothermal effect and single therapeutic function severely restrict its further clinical applications. Herein, a biodegradable "Nano-donut" (CMPB-MoS2-PEG) is fabricated for magnetic resonance (MR) imaging and enhanced photothermal therapy (PTT)/ chemodynamic therapy (CDT)/chemotherapy through responsive catalysis in tumor microenvironment (TME). The "Nano-donut" is organically composed of Cu/Mn ions doped-PB and MoS2. The porous donut structure of CMPB-MoS2-PEG endows them as a carrier for delivery of doxorubicin hydrochloride (DOX) to tumor site. The framework of Nano-donut specifically decomposes in TME due to the reaction between Fe2+/Fe3+ and H2O2. The multivalent elements (Cu/Fe/Mn ions) decrease the bandgap and then enhance CDT by synergistically catalyzing H2O2 into toxic ·OH. Meanwhile, the Mn4+ also reacts with H2O2 to generate O2, improving the hypoxia of TME and enhancing the chemotherapy effect of released DOX. The MoS2 mingles in the PB, which significantly enhances photothermal conversion efficiency (η) effect of PB from 16.02% to 38.0%. In addition, Fe3+ as T2-weighted MR imaging agent can achieve MR imaging-guided therapy. The data clearly shows Nano-donut/DOX nanocomposites (NCs) have a remarkable inhibition for cancer cells and excellent biological safety in tumor treatment.
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Affiliation(s)
- Shaoqi Guan
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Xijian Liu
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Yang Fu
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
| | - Chunlin Li
- Trauma Center, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, NO. 650 Xin Songjiang Road, Shanghai 201620, China
| | - Jinxia Wang
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Qixiang Mei
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, NO. 650 Xin Songjiang Road, Shanghai 201620, China
| | - Wenrui Zheng
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Zhiping Wan
- Department of Neurosurgery, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jie Lu
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
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21
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Wang J, Jarrold B, Zhao W, Deng G, Moulton L, Laughlin T, Hakozaki T. The combination of sucrose dilaurate and sucrose laurate suppresses HMGB1: an enhancer of melanocyte dendricity and melanosome transfer to keratinocytes. J Eur Acad Dermatol Venereol 2022; 36 Suppl 3:3-11. [PMID: 35014730 DOI: 10.1111/jdv.17846] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/22/2021] [Accepted: 11/26/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Hyperpigmented spots are common issues in all ethnicities, involving multiple intrinsic and extrinsic factors such as UVB exposure, hormone balance, inflammatory status and ageing. OBJECTIVES To determine (i) melanocyte dendricity in multiple facial spot types, (ii) impact of High Mobility Group Box 1 (HMGB1), and the combination of sucrose dilaurate and sucrose laurate (SDL) on melanogenesis and melanocyte dendricity, and (iii) SDL effect on facial spots in a human use test. METHODS Facial spot and adjacent non-spot skin biopsies were collected from Chinese women (age 20-70). Histological assessment of melanocyte dendricity was performed for 3 spot types (solar lentigo, melasma and postinflammatory hyperpigmentation) by immunofluorescent staining for c-kit/MITF. Keratinocyte, melanocyte and melanocyte-keratinocyte co-culture models were used to assess HMGB1 release by UVB radiation, the effects of HMGB1 and SDL on melanin production, melanocyte dendricity and melanosome transfer. The effect of an SDL-containing moisturizer on appearance of facial hyperpigmented spots was assessed against a vehicle control in an 8-week human use test. RESULTS Melanocytes in spot areas are more dendritic than melanocytes in adjacent non-spot skin across three investigated spot types. In cell culture models, a moderate UVB-radiation exposure caused release of HMGB1 from keratinocytes. HMGB1 did not alter melanin production in melanocytes, but enhanced melanocyte dendricity and melanosome transfer. SDL reduced HMGB1 release from keratinocytes, inhibited melanin production, reversibly suppressed melanocyte dendricity and reduced melanosome transfer. In the human use test, SDL-containing moisturizer reduced appearance of spots versus vehicle. CONCLUSION Increased melanocyte dendricity was observed in multiple types of facial spots. Addition of HMGB1 protein increased melanocyte dendricity and melanosome transfer in cell cultures, implicating potential involvement in spot formation. SDL suppressed melanin production, melanocyte dendricity and melanosome transfer in vitro and reduced appearance of spots in the use test, suggesting SDL is an effective solution to address hyperpigmented spot concerns.
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Affiliation(s)
- J Wang
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - B Jarrold
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - W Zhao
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - G Deng
- P&G Singapore Innovation Center, Singapore City, Singapore
| | - L Moulton
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - T Laughlin
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - T Hakozaki
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
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22
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Zheng N, Fu Y, Liu X, Zhang Z, Wang J, Mei Q, Wang X, Deng G, Lu J, Hu J. Tumor microenvironment responsive self-cascade catalysis for synergistic chemo/chemodynamic therapy by multifunctional biomimetic nanozymes. J Mater Chem B 2022; 10:637-645. [PMID: 34991154 DOI: 10.1039/d1tb01891d] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chemodynamic therapy (CDT) is an emerging approach to treat cancer based on the tumor microenvironment (TME), but its limited content of endogenous hydrogen peroxide (H2O2) weakens the anticancer effects. Herein, a multifunctional biomimetic nanozyme (Se@SiO2-Mn@Au/DOX, named as SSMA/DOX) is fabricated, which undergoes TME responsive self-cascade catalysis to facilitate MRI guided enhanced chemo/chemodynamic therapy. The SSMA/DOX nanocomposites (NCs) responsively degrade in acidic conditions of tumor to release Se, DOX, Au and Mn2+. Mn2+ not only enables MRI to guided therapy, but also catalyzes the endogenous H2O2 into hydroxyl radical (˙OH) for CDT. In addition, the Au NPs continuously catalyze glucose to generate H2O2, enhancing CDT by supplementing a sufficiently reactive material and cutting off the energy supply of the tumor by consuming glucose. Simultaneously, Se enhances the chemotherapy of doxorubicin hydrochloride (DOX) and CDT by upregulating ROS in the tumor cells, achieving remarkable inhibition effect towards tumor. Moreover, SSMA/DOX NCs have good biocompatibility and degradability, which avoid long-term toxicity and side effects. Overall, the degradable SSMA/DOX NCs provide an innovative strategy for tumor microenvironment responsive self-cascade catalysis to enhance tumor therapy.
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Affiliation(s)
- Nannan Zheng
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China. .,College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen 518118, China.
| | - Yang Fu
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China.,Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
| | - Xijian Liu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Ziwen Zhang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Jinxia Wang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Qixiang Mei
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China.,Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
| | - Xingyan Wang
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 201620, China
| | - Jie Lu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Technology Research Center for Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Junqing Hu
- College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen 518118, China. .,Shenzhen Bay Laboratory, Shenzhen 518132, China
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23
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Liu Y, Deng G. Automating inventorying of blood stations: A system based on ultrahigh-frequency radio-frequency identification (UHF RFID) technology. Transfus Clin Biol 2021; 29:134-137. [PMID: 34929415 DOI: 10.1016/j.tracli.2021.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 12/14/2021] [Indexed: 10/19/2022]
Abstract
Inventorying blood products is an essential process in blood station management. Traditional methods need to integrate barcodes with refrigerators, which suffer from low time efficiency, high error rate and high labour cost. Several methods have been proposed to automate this process in blood stations. However, none of them is ideal enough. In this paper, we analyse the difficulties of automation in blood inventory, and propose an automated blood inventory system based on UHF RFID technology. Comparisons over our method with manual inventory and handheld RFID inventory are conducted. The result shows that our method is nearly 10 times higher than manual inventory in time efficiency while increases the accuracy to 100%.
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Affiliation(s)
- Y Liu
- The Ningbo Central Blood Station, Ningbo, China
| | - G Deng
- The Ningbo Central Blood Station, Ningbo, China.
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24
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Li X, Wang Q, Yu S, Zhang M, Liu X, Deng G, Liu Y, Wu S. Multifunctional MnO 2-based nanoplatform-induced ferroptosis and apoptosis for synergetic chemoradiotherapy. Nanomedicine (Lond) 2021; 16:2343-2361. [PMID: 34523352 DOI: 10.2217/nnm-2021-0286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Background: Radiosensitizers that can effectively consume glutathione provide broad prospects for enhancing the efficacy and reducing the side effects of radiotherapy. Aim: To explore the potential role of CuS@mSiO2@MnO2 nanocomposites in synergetic chemoradiotherapy. Methods: Nanocomposites were characterized by transmission electron microscopy, UV-Vis spectrometry and dynamic light scattering and were loaded with doxorubicin (DOX). The uptake and biodistribution of nanocomposites were observed by CCK8 assay, MRI and confocal laser scanning microscopy. The radiosensitization effect of nanocomposites and nanocomposites/DOX was assessed both in vitro and in vivo. Results: In vitro application of nanocomposites, with an average diameter of 30 nm and ζ-potential of 13.2 ± 0.4 mV, in combination with radiotherapy, depleted glutathione and induced ferroptosis and apoptosis. Nanocomposites/DOX exhibited tumor cell damage in vivo. Conclusion: We propose that this glutathione-depleting nanosystem could be a radiosensitizer as well as a drug transporter.
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Affiliation(s)
- Xi Li
- Department of Obstetrics & Gynecology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Qi Wang
- Department of Orthopedics, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200333, China.,Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Sihui Yu
- Department of Obstetrics & Gynecology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Minyi Zhang
- College of Chemistry & Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Xijian Liu
- College of Chemistry & Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Yuan Liu
- Reproductive Medicine Center, Department of Obstetrics & Gynecology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
| | - Sufang Wu
- Department of Obstetrics & Gynecology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620, China
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25
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Deng G. 1241P Effects of different brain radiotherapy strategies based on lung-molGPA stratification on the prognosis of patients with brain metastases of EGFR-mutant lung adenocarcinoma. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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26
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Zhao H, Wang J, Li X, Li Y, Li C, Wang X, Wang J, Guan S, Xu Y, Deng G, Chen Y, Lu J, Liu X. A biocompatible theranostic agent based on stable bismuth nanoparticles for X-ray computed tomography/magnetic resonance imaging-guided enhanced chemo/photothermal/chemodynamic therapy for tumours. J Colloid Interface Sci 2021; 604:80-90. [PMID: 34265694 DOI: 10.1016/j.jcis.2021.06.174] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/25/2021] [Accepted: 06/30/2021] [Indexed: 11/17/2022]
Abstract
Cancer is a leading cause of death worldwide and seriously threatens the health of humans. The current clinical treatments for cancer are not efficient and always lead to significant side effects. Herein, a biocompatible and powerful theranostic agent (Bi@mSiO2@MnO2/DOX) is fabricated using a facile stepwise reaction method. The Bi nanoparticles (NPs) are coated by mesoporous silica to protect the Bi NPs from oxidation, which guarantees the stable photothermal effect of the Bi NPs. When the Bi@mSiO2@MnO2/DOX nanocomposites (NCs) accumulate in the tumour site, hyperthermia is generated by Bi NPs under near-infrared (NIR) light irradiation for photothermal therapy (PTT), and the generated heat triggers the release of DOX for chemotherapy in the tumour. In addition, the MnO2 of the NCs responsively catalyses endogenous H2O2 to generate O2, raising the oxygen level to enhance the effect of chemotherapy in the tumour microenvironment (TME), and consumes glutathione (GSH) to produce Mn2+ for magnetic resonance (MR) imaging. Under acidic TME conditions, H2O2 and Mn2+ also produce toxic hydroxyl radical (·OH) for chemodynamic therapy (CDT). Furthermore, the Bi NPs can also be used as excellent contrast agents for X-ray computed tomography (CT) imaging of tumours with a high CT value (6.865 HU mM-1). The Bi@mSiO2@MnO2/DOX NCs exhibit a powerful theranostic performance for CT/MR imaging-guided enhanced PTT/CDT/chemotherapy, which opens a new prospect to rationally design theranostic agents for tumour imaging.
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Affiliation(s)
- Hang Zhao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Jiaqi Wang
- Otorhinolaryngology, EYE & ENT Hospital of Fudan University, Shanghai Medical College of Fudan University, Shanghai 200031, PR China
| | - Xi Li
- Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Yinwen Li
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
| | - Chunlin Li
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, NO. 650 Xin Songjiang Road, Shanghai 201620, China
| | - Xiang Wang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Jinxia Wang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Shaoqi Guan
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Yupeng Xu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China.
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, NO. 650 Xin Songjiang Road, Shanghai 201620, China
| | - Ying Chen
- Department of Oncology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111, Xianxia Road, Shanghai 200336, China.
| | - Jie Lu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
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27
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Zheng N, Wang Q, Li C, Wang X, Liu X, Wang X, Deng G, Wang J, Zhao L, Lu J. Responsive Degradable Theranostic Agents Enable Controlled Selenium Delivery to Enhance Photothermal Radiotherapy and Reduce Side Effects. Adv Healthc Mater 2021; 10:e2002024. [PMID: 33645002 DOI: 10.1002/adhm.202002024] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/29/2021] [Indexed: 12/17/2022]
Abstract
Radiotherapy (RT) is a popular clinical therapy method for extending cancer patient survival, but is hampered by severe side effects and the weak therapy effect. Herein, responsive degradable selenium (Se) theranostic agents (Se@SiO2 @Bi nanocomposites (NCs)) are fabricated, which combine computed tomography (CT) imaging and simultaneously enhance the therapeutic effects of photothermal therapy (PTT) and RT, while reducing the side effects of radiation. The Se@SiO2 @Bi theranostic agents can accumulate at the tumor site, and responsively decompose to releease Se, avoiding systemic toxicity by the element. Se enhances the effect of PTT/RT, simultaneously reducing the side effects of RT. The Se@SiO2 @Bi NCs as CT agents also exhibit significantly enhanced contrast imaging performance due to the high atomic number of Bi. More importantly, the Se@SiO2 @Bi NCs can be rapidly excreted without long-term toxicity, owing to responsive degradation into ultrasmall particles (<5 nm) at the tumor site. In vitro and in vivo results show that the Se@SiO2 @Bi NCs can remarkably inhibit tumor cells, without causing appreciable toxicity during the treatment. This study opens a new perspective in rationally designing responsive degradable theranostic agents for future tumor therapy with enhanced therapeutic efficacy and lesser side effects.
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Affiliation(s)
- Nannan Zheng
- College of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Qi Wang
- Putuo Hospital Shanghai University of Traditional Chinese Medicine No. 164, Lanxi Road, Putuo District Shanghai 200062 China
- Trauma Center Shanghai General Hospital Shanghai Jiaotong University School of Medicine No. 650, Xin Songjiang Road Shanghai 201620 China
| | - Chunlin Li
- Trauma Center Shanghai General Hospital Shanghai Jiaotong University School of Medicine No. 650, Xin Songjiang Road Shanghai 201620 China
| | - Xiang Wang
- College of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Xingyan Wang
- College of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Guoying Deng
- Trauma Center Shanghai General Hospital Shanghai Jiaotong University School of Medicine No. 650, Xin Songjiang Road Shanghai 201620 China
| | - Jinxia Wang
- College of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Linjing Zhao
- College of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Jie Lu
- College of Chemistry and Chemical Engineering Shanghai University of Engineering Science Shanghai 201620 China
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28
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Laughlin T, Tan Y, Jarrold B, Chen J, Li L, Fang B, Zhao W, Tamura M, Matsubara A, Deng G, Wang X, Hakozaki T. Autophagy activators stimulate the removal of advanced glycation end products in human keratinocytes. J Eur Acad Dermatol Venereol 2021; 34 Suppl 3:12-18. [PMID: 32557807 DOI: 10.1111/jdv.16453] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/04/2020] [Accepted: 03/27/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND The accumulation of advanced glycation end products (AGEs) can impact cellular homoeostasis and protein structure, thus is implicated in numerous skin conditions including yellow, dull appearance. AGE formation is irreversible; thus, understanding of the recycling process of AGEs in the skin is critical for addressing skin appearance conditions. OBJECTIVE To determine whether (i) accumulation of AGEs occurs in dull appearance group among young population (age 20-29) (ii) in vitro autophagy stimulation results in reduction of AGEs in keratinocytes. METHODS Facial cheek biopsies were collected from Chinese women (age 20-50) exhibiting either dull or non-dull appearing skin. Histological assessment of glycation was performed for representative subjects among the 20-29 years sub-group by immunofluorescence staining of AGEs. LC-MS methods and keratinocyte cell culture were used to assess impact of autophagy modulators and skin care materials on carboxymethyl lysine (CML) amount, a representative AGE. RESULTS Notable amounts of AGEs were observed in the epidermal samples among young females. Interestingly, the amount of AGEs was significantly higher among the dull skin appearance group. Treatment of keratinocytes with glyceraldehyde (GLA) enhanced CML in the cells, and postglycation treatment with autophagy activators reduced CML. Two skin care materials, Nymphaea alba flower extract (a.k.a. white water lily extract) and sucrose dilaurate, were identified based from in vitro autophagy activation and found to reduce CML in keratinocytes. CONCLUSION We found AGEs accumulate in the facial epidermis even among young people, correlating to a yellow and dull appearance. We also demonstrated in vitro activation of autophagy can reduce AGEs in keratinocytes, and autophagy activating skin care materials, N. alba flower extract and sucrose dilaurate, also reduce AGEs in the keratinocyte in vitro model. These data suggest epidermal AGEs contribute to the dull skin appearance, and autophagy activators may provide an effective solution to improve dull appearance by removing and recycling the accumulated glycation in the skin.
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Affiliation(s)
- T Laughlin
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - Y Tan
- Shanghai Skin Disease Hospital, Shanghai, China.,Human Phenome Institute, Fudan University, Shanghai, China.,NMPA Key Laboratory for Monitoring and Evaluation of Cosmetics, Shanghai, China
| | - B Jarrold
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - J Chen
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - L Li
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - B Fang
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - W Zhao
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - M Tamura
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - A Matsubara
- Procter & Gamble International Operations, Singapore Innovation Center, Singapore, Singapore
| | - G Deng
- Procter & Gamble International Operations, Singapore Innovation Center, Singapore, Singapore
| | - X Wang
- Shanghai Skin Disease Hospital, Shanghai, China
| | - T Hakozaki
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
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29
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Yang C, Jin X, Yan J, Zhang J, Chen C, Cheng Y, You J, Deng G. An investigation of the intention and reasons of senior high school students in China to choose medical school. BMC Med Educ 2021; 21:242. [PMID: 33902559 PMCID: PMC8077942 DOI: 10.1186/s12909-021-02677-w] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 04/15/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND Shortages of qualified health workers have been a global concern, especially in developing countries. China also faces this dilemma, which hinders the development of public health services. Senior high school students are a group who are considering their college majors and careers after graduation. They are also a potential and basic talent reserve for the health sector. This survey focused on senior high school students' intention to learn clinical medicine and explored potential influencing factors. METHODS An anonymous questionnaire containing 20 items was distributed to 5344 senior high school students. The questions covered the following topics: students' intention to learn clinical medicine, personal and family information, understanding of medical education, cognition of doctors' working conditions, and doctor-patient relationships. Logistic regression and the chi-square test were used to compare students with and without a clear intention to learn clinical medicine to explore influencing factors. RESULTS Only 5.6% of senior high school students had a clear intention to learn medicine (CILCM). Personal and family information had distinct impacts. Interest and anatomy course were also associated with students' choice. There was a positive correlation between understanding of medical education and students' intention Meanwhile, students' cognition of doctors, career prospects, and social status had significant impacts. The more optimistic students were about doctors' working conditions and doctor-patient relationships, the more likely they were to have a CILCM. CONCLUSION To some extent, this survey reflects the shortage of medical talent in China and provides possible clues for solving this problem. In addition, these findings may provide a perspective for understanding the development of health services in developing countries.
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Affiliation(s)
- Chaoqun Yang
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, China
- Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xuerui Jin
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, China
- Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ji Yan
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, China
- Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Junkai Zhang
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, China
- Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Canyu Chen
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, China
- Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yaqing Cheng
- Youth League Committee Office, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jialin You
- Youth League Committee Office, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, China.
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Zhang Y, Yang K, Yang J, Lao Y, Deng L, Deng G, Yi J, Sun X, Wang Q. SENP3 Suppresses Osteoclastogenesis by De-conjugating SUMO2/3 from IRF8 in Bone Marrow-Derived Monocytes. Cell Rep 2021; 30:1951-1963.e4. [PMID: 32049023 DOI: 10.1016/j.celrep.2020.01.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 11/19/2019] [Accepted: 01/09/2020] [Indexed: 10/25/2022] Open
Abstract
Bone metabolism depends on the balance between osteoclast-driven bone resorption and osteoblast-mediated bone formation. Diseases like osteoporosis are characterized by increased bone destruction due to partially enhanced osteoclastogenesis. Here, we report that the post-translational SUMO modification is critical for regulating osteoclastogenesis. The expression of the SUMO-specific protease SENP3 is downregulated in osteoclast precursors during osteoclast differentiation. Mice with SENP3 deficiency in bone marrow-derived monocytes (BMDMs) exhibit more severe bone loss due to over-activation of osteoclasts after ovariectomy. Deleting SENP3 in BMDMs promotes osteoclast differentiation. Mechanistically, loss of SENP3 increases interferon regulatory factor 8 (IRF8) SUMO3 modification at the K310 amino acid site, which upregulates expression of the nuclear factor of activated T cell c1 (NFATc1) and osteoclastogenesis. In summary, IRF8 de-SUMO modification mediated by SENP3 suppresses osteoclast differentiation and suggests strategies to treat bone loss diseases.
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Affiliation(s)
- Yongxing Zhang
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Kai Yang
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases with Integrated Chinese-Western Medicine, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jie Yang
- Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yimin Lao
- Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Lianfu Deng
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases with Integrated Chinese-Western Medicine, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China
| | - Jing Yi
- Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Xuxu Sun
- Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Qiugen Wang
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China.
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31
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Yang Y, Deng G, Wang P, Lv G, Mao R, Sun Y, Wang B, Liu X, Bian L, Zhou D. A Selenium Nanocomposite Protects the Mouse Brain from Oxidative Injury Following Intracerebral Hemorrhage. Int J Nanomedicine 2021; 16:775-788. [PMID: 33574665 PMCID: PMC7871993 DOI: 10.2147/ijn.s293681] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/07/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Intracerebral hemorrhage (ICH) is a common neurological crisis leading to high mortality and morbidity. Oxidative stress-induced secondary injury plays a critical role in neurological deterioration. Previously, we synthesized a porous Se@SiO2 nanocomposite and identified their therapeutic role in osteonecrosis of the femoral head. Whether this nanocomposite is neuroprotective remains to be elucidated. METHODS A porous Se@SiO2 nanocomposite was synthesized, and its biosafety was determined using a CCK-8 assay. The neuroprotective effect was evaluated by TUNEL staining, and intracellular ROS were detected with a DCFH-DA probe in SH-SY5Y cells exposed to hemin. Furthermore, the effect of the nanocomposite on cell apoptosis, brain edema and blood-brain barrier permeability were evaluated in a collagenase-induced ICH mouse model. The potential mechanism was also explored. RESULTS The results demonstrated that Se@SiO2 treatment significantly improved neurological function, increased glutathione peroxidase activity and downregulated malonaldehyde levels. The proportion of apoptotic cells, brain edema and blood-brain barrier permeability were reduced significantly in ICH mice treated with Se@SiO2 compared to vehicle-treated mice. In vitro, Se@SiO2 protected SH-SY5Y cells from hemin-induced apoptosis by preventing intracellular reactive oxygen species accumulation. CONCLUSION These results suggested that the porous Se@SiO2 nanocomposite exerted neuroprotection by suppressing oxidative stress. Se@SiO2 may be a potential candidate for the clinical treatment of ICH and oxidative stress-related brain injuries.
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Affiliation(s)
- Yong Yang
- Department of Neurosurgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, People’s Republic of China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, 201620, People’s Republic of China
| | - Peng Wang
- Department of Neurosurgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, People’s Republic of China
| | - Guangzhao Lv
- Department of Neurosurgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, People’s Republic of China
| | - Rui Mao
- Department of Neurosurgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, People’s Republic of China
| | - Yuhao Sun
- Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, 200025, People’s Republic of China
| | - Baofeng Wang
- Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, 200025, People’s Republic of China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, People’s Republic of China
| | - Liuguan Bian
- Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, 200025, People’s Republic of China
| | - Dong Zhou
- Department of Neurosurgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, People’s Republic of China
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Han Z, Wu J, Deng G, Bi C, Wang J, Wang Q. Axial Micromotion Locking Plate Construct Can Promote Faster and Stronger Bone Healing in an Ovine Osteotomy Model. Front Bioeng Biotechnol 2021; 8:593448. [PMID: 33520953 PMCID: PMC7845656 DOI: 10.3389/fbioe.2020.593448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 12/04/2020] [Indexed: 11/13/2022] Open
Abstract
Fixing bone fractures with controlled axial interfragmentary micromotion improves bone healing; however, the optimal type of implant construct for this purpose is still lacking. The present study describes a novel axial micromotion locking plate (AMLP) construct that allows axial interfragmentary micromotion of 0.3 or 0.6 mm. We investigated whether the AMLP constructs enhance bone healing compared to an ordinary locking plate (LP) using an ovine osteotomy model. The stiffness of the constructs was tested under axial loading. We created a 3-mm osteotomy in the left hind leg tibia of sheep that was then stabilized with a 0.3- or 0.6-mm AMLP or LP construct (n = 6/group). Bone healing was monitored weekly by X-ray radiography starting from week 3 after surgery. At week 9, the specimens were collected and evaluated by computed tomography and torsional testing. We found that the AMLPs had a lower stiffness than the LP; in particular, the stiffness of the 0.6-mm AMLP construct was 86 and 41% lower than that of the LP construct for axial loads <200 and >200 N, respectively. In the in vivo experiments, tibial osteotomies treated with the 0.6-mm AMLP construct showed the earliest maximum callus formation (week 5) and the highest volume of bone callus (9.395 ± 1.561 cm3 at week 9). Specimens from this group also withstood a 27% greater torque until failure than those from the LP group (P = 0.0386), with 53% more energy required to induce failure (P = 0.0474). These results demonstrate that AMLP constructs promote faster and stronger bone healing than an overly rigid LP construct. Moreover, better bone healing was achieved with an axial micromotion of 0.6 mm as compared to 0.3 mm.
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Affiliation(s)
- Zhihua Han
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, China.,Sino-Euro Orthopaedics Network, Homburg, Germany
| | - Jianhong Wu
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Guoying Deng
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Chun Bi
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Jiandong Wang
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Qiugen Wang
- Trauma Center, Department of Orthopaedics and Traumatology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, China
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Fei W, Lin J, Gao Z, Zhang H, Zhang J, Liu X, Tan J, Deng G. Improved rotator cuff healing after surgical repair via suppression of reactive oxygen species by sustained release of Se. NEW J CHEM 2021. [DOI: 10.1039/d0nj06294d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Porous Se@SiO2 nanocomposites showed effective results in promoting rotator cuff healing after surgical repair and have great potential in relevant clinical applications.
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Affiliation(s)
- Wenyong Fei
- Department of Sport Medicine
- Department of Orthopeadics and Orthopeadics Institute
- Northern Jiangsu People's Hospital
- Clinical Medical College
- Yangzhou University
| | - Jian Lin
- Trauma Center
- Shanghai General Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
- China
| | - Zijun Gao
- Trauma Center
- Shanghai General Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
- China
| | - Hao Zhang
- Trauma Center
- Shanghai General Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
- China
| | - Junkai Zhang
- Trauma Center
- Shanghai General Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
- China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Jiyang Tan
- Soochow University Affiliated Wuxi Ninth People's Hospital
- WuXi
- China
| | - Guoying Deng
- Trauma Center
- Shanghai General Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
- China
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Zhang P, Dai P, Deng G, Luo L, Huang Q, Cai L. Dosimetric Analysis of DVO and PO Algorithm in Pediatric Craniospinal Irradiation With Intensity-Modulated Radiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2392] [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: 11/28/2022]
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35
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Peng B, He SC, Zhu HD, Fang W, Du RJ, Wei TF, Guo JH, Deng G, Zhu GY, Chen L, Teng GJ. [Analysis of the effect of percutaneous vertebroplasty combined with (125)I seed implantation in the treatment of spinal metastatic epidural spinal cord compression]. Zhonghua Yi Xue Za Zhi 2020; 100:2940-2946. [PMID: 32993255 DOI: 10.3760/cma.j.cn112137-20200316-00780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinical efficacy of percutaneous vertebroplasty (PVP) combined with iodine-125 ((125)I) seed brachytherapy in the treatment of spinal metastatic epidural spinal cord compression (MESCC) and toassess the changes inthe grade of epidural spinal cord compression (ESCC) by magnetic resonance imaging (MRI). Methods: A total of 37 MESCC patients treated with PVP combined with (125)I seed brachytherapy in the interventional and vascular surgery department of Zhongda Hospital affiliated to Southeast University from January 2014 to June 2019 were retrospectively analyzed, including 23 cases of bilateral lower limbs paralysis. Total diseased vertebrae are 39 segments. Visual analogue scale (VAS) and paralysis of lower extremities were evaluated regularly before and after treatment, and VAS values at different follow-up time points were compared. At the same time, MRI was used to evaluate the changes of ESCC grade in the spinal canal and calculate the local lesion efficiency after operation. The postoperative local lesion efficiency at different follow-up times was compared. Results: PVP combined with (125)I seed implantation in all diseased vertebral bodies was successful. The average injection volume of polymethylmethacrylate (PMMA) was (3.2±1.3) ml/segment, the average number of (125)I seed implanted was (25.0±8.6) seeds/segment and the average radiation dose was (15.0±5.1) mCi/segment. The VAS before operation was 8.5, and postoperative VAS were respectively 3.6±1.3, 3.8±1.5, 3.4±1.4, 5.5±1.0, 5.9±1.4 at 5 days, 1 month, 3 months, 6 months, and 1 year after operation. The differences between all follow-up time points and preoperative VAS values were statistically significant (all P<0.001). Compared with 5 days, 1 month and 3 months after operation, VAS increased significantly at 6 months and 1 year after operation, and the difference was statistically significant (all P<0.001); there was no significant difference between the VAS value at 6 months after operation and 1 year after operation (P=0.405). At a follow-up of 3 months, 22 of 23 patients with paralysis of bilateral lower limbs regained the functions of autonomous walking and voiding; the effective rates of MESCC local lesions evaluated by MRI at 1 month, 3 months, 6 months, and>1 year were 89.7%, 91.9%, 90.6%, and 94.7%, respectively, and there was no statistically significant differences among those follow-up time points (all P>0.05). Conclusions: PVP combined with (125)I seed brachytherapy in the treatment of MESCC has significant improvement in immediate pain relief and spinal cord function. After combined treatment, MRI showed that the tumors around the spinal cord regressed dramatically, which could considerably reduce the MESCC grade and remain stable for a long time.
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Affiliation(s)
- B Peng
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - S C He
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - H D Zhu
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - W Fang
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - R J Du
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - T F Wei
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - J H Guo
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - G Deng
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - G Y Zhu
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - L Chen
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - G J Teng
- Department of Radiology, the Affiliated Zhongda Hospital, Southeast University, Nanjing 210009, China
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Mei Q, Deng G, Huang Z, Yin Y, Li C, Hu J, Fu Y, Wang X, Zeng Y. Porous COS@SiO 2 Nanocomposites Ameliorate Severe Acute Pancreatitis and Associated Lung Injury by Regulating the Nrf2 Signaling Pathway in Mice. Front Chem 2020; 8:720. [PMID: 33134248 PMCID: PMC7579426 DOI: 10.3389/fchem.2020.00720] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 07/13/2020] [Indexed: 12/16/2022] Open
Abstract
Severe acute pancreatitis (SAP) is associated with high rates of mortality and morbidity. Chitosan oligosaccharides (COSs) are agents with antioxidant properties. We developed porous COS@SiO2 nanocomposites to study the protective effects and mechanisms of COS nanomedicine for the treatment of acute pancreatitis. Porous COS@SiO2 nanocomposites released COSs slowly under pH control, enabling sustained release and maintaining the drug at a higher concentration. This study aimed to determine whether porous COS@SiO2 nanocomposites ameliorate SAP and associated lung injury. The SAP model was established in male C57BL/6 mice by intraperitoneal injection of caerulein. The expression levels of myeloperoxidase, malondialdehyde, superoxide dismutase, nuclear factor-kappa B (NF-κB), the NOD-like receptor protein 3 (NLRP3) inflammasome, nuclear factor E2-related factor 2 (Nrf2), and inflammatory cytokines were detected, and a histological analysis of mouse pancreatic and lung tissues was performed. In the SAP groups, systemic inflammation and oxidative stress occurred, and pathological damage to the pancreas and lung was obvious. Combined with porous COS@SiO2 nanocomposites before treatment, the systemic inflammatory response was obviously reduced, as were oxidative stress indicators in targeted tissues. It was found that Nrf2 was significantly activated in the COS@SiO2 treatment group, and the expressions of NF-κB and the NLRP3 inflammasome were notably decreased. In addition, this protective effect was significantly weakened when Nrf2 signaling was inhibited by ML385. This demonstrated that porous COS@SiO2 nanocomposites activate the Nrf2 signaling pathway to inhibit oxidative stress and reduce the expression of NF-κB and the NLRP3 inflammasome and the release of inflammatory factors, thus blocking the systemic inflammatory response and ultimately ameliorating SAP and associated lung injury.
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Affiliation(s)
- Qixiang Mei
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai, China.,Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zehua Huang
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai, China.,Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yue Yin
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chunlin Li
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Junhui Hu
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yang Fu
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xingpeng Wang
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yue Zeng
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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37
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Miao Q, Zhao L, Wang Y, Hao F, Sun P, He P, Liu Y, Huang J, Liu X, Liu X, Deng G, Li H, Li L, Tang Y, Wang L, Feng M, Jia W. Microbial metabolomics and network analysis reveal fungistatic effect of basil (Ocimum basilicum) oil on Candida albicans. J Ethnopharmacol 2020; 260:113002. [PMID: 32502652 DOI: 10.1016/j.jep.2020.113002] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/20/2020] [Accepted: 05/20/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fungal infections remain a serious problem worldwide that require effective therapeutic strategies. Essential oil of basil (Ocimum basilicum L., BEO) being traditionally used extensively for the treatment of bacterial and fungal infection has a long history. However, the potential mechanism of action was still obscure, especially from the metabolic perspective. MATERIALS AND METHODS The fungistatic effect of BEO on Candida albicans (C. albicans) was evaluated by measurement of minimum inhibitory concentration (MIC) and morphological analysis. A high-coverage microbial metabolomics approach was utilized to identify the alterations of intracellular metabolites of C. albicans at mid-logarithmic growth phase in response to the subinhibitory concentration of BEO, by using gas chromatography coupled to time-of-fight mass spectrometry (GC-TOFMS). Following the metabolic fingerprinting, systematic network analysis was performed to illustrate the potential mechanism of BEO involved in the suppression of C. albicans. RESULTS The damage in cellular membranes of C. albicans treated by BEO above MIC was observed on the scanning electron microscope (SEM) micrographs. Metabolomics results showed that, among 140 intracellular metabolites identified by comparison with reference standards, thirty-four had significantly changed abundances under 0.2 MIC of BEO treatment, mainly involving in central carbon metabolism (glycolysis/gluconeogenesis, pentose phosphate pathway and TCA cycle), amino acids, polyamines and lipids metabolism. Pathway and network analyses further found that fifteen ingredients of BEO mainly terpenoids and phenyl-propanoids, potentially participated in the metabolic regulation and may be responsible for the suppression of C. albicans. CONCLUSIONS The findings highlighted that integrated microbial metabolomics and network analyses could provide a methodological support in understanding the functional mechanisms of natural antimicrobial agents and contribute to drug discovery.
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Affiliation(s)
- Qiandan Miao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Linjing Zhao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Yuting Wang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Fangjia Hao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Peipei Sun
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Peng He
- Minghang Hospital & School of Pharmacy, Fudan University, Shanghai, 201199, China; Shanghai Engineering Research Center of Immunotherapeutics, Shanghai, 201203, China
| | - Yumin Liu
- Instrumental Analysis Centre, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Jiashuai Huang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Xiaohui Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Guoying Deng
- Shanghai Jiao Tong University Affiliated First People's Hospital, Shanghai, 200233, China
| | - Hongsen Li
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Lingai Li
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Yingao Tang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Lixin Wang
- Integrated TCM & Western Medicine Department, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, 200433, China
| | - Meiqing Feng
- Minghang Hospital & School of Pharmacy, Fudan University, Shanghai, 201199, China; Shanghai Engineering Research Center of Immunotherapeutics, Shanghai, 201203, China.
| | - Wei Jia
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
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Liu X, Zhang M, Yan D, Deng G, Wang Q, Li C, Zhao L, Lu J. A smart theranostic agent based on Fe-HPPy@Au/DOX for CT imaging and PTT/chemotherapy/CDT combined anticancer therapy. Biomater Sci 2020; 8:4067-4072. [PMID: 32648564 DOI: 10.1039/d0bm00623h] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We herein explored a smart Fe-HPPy@Au/DOX theranostic agent for CT diagnosis and PTT/chemotherapy/CDT synergistic treatment of cancer. When the Fe-HPPy@Au/DOX theranostic agent entered the tumor, the tumor environment accelerated the trapped Fe ions release to catalyze the production of ˙OH for CDT. NIR irradiation drove the PTT, and at the same time improved the CDT by increasing the production of ˙OH and triggered DOX release for chemotherapy. In addition, the Au nanoparticles on the surface of Fe-HPPy@Au nanocomposites could be used as a CT imaging agent and catalyzer to produce H2O2 for enhanced CDT.
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Affiliation(s)
- Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China.
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Wang T, Lei QL, Wang M, Deng G, Yang L, Liu X, Li C, Wang Q, Liu Z, Wang J, Cui Z, Utama KG, Ni R, Chen X. Mechanical Tolerance of Cascade Bioreactions via Adaptive Curvature Engineering for Epidermal Bioelectronics. Adv Mater 2020; 32:e2000991. [PMID: 32323403 DOI: 10.1002/adma.202000991] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/19/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
Epidermal bioelectronics that can monitor human health status non-invasively and in real time are core to wearable healthcare equipment. Achieving mechanically tolerant surface bioreactions that convert biochemical information to detectable signals is crucial for obtaining high sensing fidelity. In this work, by combining simulations and experiments, a typical epidermal biosensor system is investigated based on a redox enzyme cascade reaction (RECR) comprising glucose oxidase/lactate oxidase enzymes and Prussian blue nanoparticles. Simulations reveal that strain-induced change in surface reactant flux is the key to the performance drop in traditional flat bioelectrodes. In contrast, wavy bioelectrodes capable of curvature adaptation maintain the reactant flux under strain, which preserves sensing fidelity. This rationale is experimentally proven by bioelectrodes with flat/wavy geometry under both static strain and dynamic stretching. When exposed to 50% strain, the signal fluctuations for wavy bioelectrodes are only 7.0% (4.9%) in detecting glucose (lactate), which are significantly lower than the 40.3% (51.8%) in flat bioelectrodes. Based on this wavy bioelectrode, a stable human epidermal metabolite biosensor insensitive to human gestures is further demonstrated. This mechanically tolerant biosensor based on adaptive curvature engineering provides a reliable bio/chemical-information monitoring platform for soft healthcare bioelectronics.
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Affiliation(s)
- Ting Wang
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Qun-Li Lei
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Ming Wang
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Guoying Deng
- Trauma & Emergency Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, 100 Haining Road, Shanghai, 200080, P. R. China
| | - Le Yang
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore
| | - Xijian Liu
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Chunlin Li
- Trauma & Emergency Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, 100 Haining Road, Shanghai, 200080, P. R. China
| | - Qi Wang
- Trauma & Emergency Center, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, 100 Haining Road, Shanghai, 200080, P. R. China
| | - Zhihua Liu
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Jianwu Wang
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Zequn Cui
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Kevin Goldio Utama
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Ran Ni
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Xiaodong Chen
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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Deng G, Ji N, Shi X, Zhang W, Qin Y, Sha S, Yang S, Ma Y. Effects of Mycobacterium tuberculosis Rv1096 on mycobacterial cell division and modulation on macrophages. Microb Pathog 2020; 141:103991. [DOI: 10.1016/j.micpath.2020.103991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 01/19/2020] [Accepted: 01/20/2020] [Indexed: 12/11/2022]
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Wang M, Wang K, Deng G, Liu X, Wu X, Hu H, Zhang Y, Gao W, Li Q. Mitochondria-Modulating Porous Se@SiO 2 Nanoparticles Provide Resistance to Oxidative Injury in Airway Epithelial Cells: Implications for Acute Lung Injury. Int J Nanomedicine 2020; 15:2287-2302. [PMID: 32280221 PMCID: PMC7127826 DOI: 10.2147/ijn.s240301] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 03/10/2020] [Indexed: 12/28/2022] Open
Abstract
Background Mitochondrial dysfunction played a vital role in the pathogenesis of various diseases, including acute lung injury (ALI). However, few strategies targeting mitochondria were developed in treating ALI. Recently, we fabricated a porous Se@SiO2 nanoparticles (NPs) with antioxidant properties. Methods The protective effect of Se@SiO2 NPs was assessed using confocal imaging, immunoblotting, RNA-seq, mitochondrial respiratory chain (MRC) activity assay, and transmission electron microscopy (TEM) in airway epithelial cell line (Beas-2B). The in vivo efficacy of Se@SiO2 NPs was evaluated in a lipopolysaccharide (LPS)-induced ALI mouse model. Results This study demonstrated that Se@SiO2 NPs significantly increased the resistance of airway epithelial cells under oxidative injury and shifted lipopolysaccharide-induced gene expression profile closer to the untreated controls. The cytoprotection of Se@SiO2 was found to be achieved by maintaining mitochondrial function, activity, and dynamics. In an animal model of ALI, pretreated with the NPs improved mitochondrial dysfunction, thus reducing inflammatory responses and diffuse damage in lung tissues. Additionally, RNA-seq analysis provided evidence for the broad modulatory activity of our Se@SiO2 NPs in various metabolic disorders and inflammatory diseases. Conclusion This study brought new insights into mitochondria-targeting bioactive NPs, with application potential in curing ALI or other human mitochondria-related disorders.
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Affiliation(s)
- Muyun Wang
- Department of Pulmonary and Critical Care Medicine, Shanghai East Hospital, Tongji University, Shanghai 200120, People's Republic of China
| | - Kun Wang
- Department of Pulmonary and Critical Care Medicine, Shanghai East Hospital, Tongji University, Shanghai 200120, People's Republic of China
| | - Guoying Deng
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, People's Republic of China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Xiaodong Wu
- Department of Pulmonary and Critical Care Medicine, Shanghai East Hospital, Tongji University, Shanghai 200120, People's Republic of China
| | - Haiyang Hu
- Department of Cardiothoracic Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, People's Republic of China
| | - Yanbei Zhang
- Department of Geriatric Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Anhui 230022, People's Republic of China
| | - Wei Gao
- Department of Pulmonary and Critical Care Medicine, Shanghai East Hospital, Tongji University, Shanghai 200120, People's Republic of China
| | - Qiang Li
- Department of Pulmonary and Critical Care Medicine, Shanghai East Hospital, Tongji University, Shanghai 200120, People's Republic of China
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Deng G, Zhang W, Ji N, Zhai Y, Shi X, Liu X, Yang S. Identification of Secreted O-Mannosylated Proteins From BCG and Characterization of Immunodominant Antigens BCG_0470 and BCG_0980. Front Microbiol 2020; 11:407. [PMID: 32231652 PMCID: PMC7082424 DOI: 10.3389/fmicb.2020.00407] [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] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 02/26/2020] [Indexed: 11/15/2022] Open
Abstract
Bacterial glycoproteins have been investigated as vaccine candidates as well as diagnostic biomarkers. However, they are poorly understood in Mycobacterium bovis strain bacille Calmette-Guérin (BCG), a non-pathogenic model of Mycobacterium tuberculosis. To understand the roles of secreted O-mannosylated glycoproteins in BCG, we conducted a ConA lectin-affinity chromatography and mass spectra analysis to identify O-mannosylated proteins in BCG culture filtrate. Subsequent screening of antigens was performed using polyclonal antibodies obtained from a BCG-immunized mouse, with 15 endogenous O-mannosylated proteins eventually identified. Of these, BCG_0470 and BCG_0980 (PstS3) were revealed as the immunodominant antigens. To examine the protective effects of the antigens, recombinant antigens proteins were first expressed in Mycobacterium smegmatis and Escherichia coli, with the purified proteins then used to boost BCG primed-mice. Overall, the treated mice showed a greater delayed-type hypersensitivity response in vivo, as well as stronger Th1 responses, including higher level of IFN-γ, TNF-α, and specific-IgG. Therefore, mannosylated proteins BCG_0470 and BCG_0980 effectively amplified the immune responses induced by BCG in mice. Together, our results suggest that the oligosaccharide chains containing mannose are the antigenic determinants of glycoproteins, providing key insight for future vaccine optimization and design.
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Affiliation(s)
- Guoying Deng
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Wenli Zhang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Na Ji
- Department of Clinical Laboratory, Dalian Third People's Hospital, Dalian, China
| | - Yunpeng Zhai
- Department of Clinical Laboratory, Dalian Municipal Women and Children's Medical Center, Dalian, China
| | - Xiaoxia Shi
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Xin Liu
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Shufeng Yang
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
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Ji C, Deng G, Guevara-Oquendo VH, Zhang X, Yan X, Zhang H, Yu P. Infrared attenuated total reflection spectroscopic analysis and quantitative detection of forage spectral features in ruminant systems. Spectrochim Acta A Mol Biomol Spectrosc 2020; 228:117630. [PMID: 31761542 DOI: 10.1016/j.saa.2019.117630] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 07/11/2019] [Accepted: 10/06/2019] [Indexed: 06/10/2023]
Abstract
This study aimed to (1) access protein molecular structure profile and metabolic characteristics of model forages [Foreign sourced-origin (coded as: "FSO", n = 7 vs. Chinese sourced-origin alfalfa hay "CSO", n = 5] in ruminant systems; (2) Quantify the relationship between forage protein molecular structures and protein utilization and availability. Advanced non-invasive vibrational molecular spectroscopic technique (ATR-FTIR: Attenuated Total Reflection Fourier Transform Infrared spectroscopy) with chemometrics was applied to reveal forage protein molecular structure. Both univariate and multivariate molecular spectral analyses were applied to study molecular structure features in model forages. The molecular structure study provided the detailed protein structure profiles of Amide I and Amide II areas and height, total Amide I and II area ratios, Amide I to II height ratio as well as Amide I to II area ratio using ATR-FTIR spectroscopy. The results showed FSO and CSO had similar (P > 0.05) protein rumen degradation kinetics. However, FSO had superior quality than CSO in intestinal (IDP) and total digestible protein (TDP) and truly absorbed nutrient supply (P < 0.05). As intestinal digestion of protein, FSO was higher (P < 0.05) in protein digestion in terms of: intestinal digestibility of rumen undegraded protein (dIDP: 47.5 vs. 38.3 %RUP); Intestinal digestible protein (IDP: 17.6 vs. 13.7 %CP). As truly absorbed nutrient supply, FSO contained higher (P < 0.05) truly absorbed rumen synthesized microbial protein, absorbable rumen undegradable feed protein in the small intestine, total truly digested protein in the small intestine, metabolizable protein and Feed Milk Value (FMVDVE: 1.2 vs. 1.1 g/kg DM). The molecular structure-nutrition interactive relationship study showed that protein molecular structure profiles were highly associated to protein rumen degradation kinetics, significantly correlated to protein subfractions, protein intestinal digestion, and truly absorbed nutrient supply in ruminant systems.
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Affiliation(s)
- C Ji
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, 22 Jinjin Road, Tianjin 300384, China; Department of Animal and Poultry Science, College of Agriculture and Bioresources, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - G Deng
- College of Life Science and Engineering, Foshan University, Guangdong, China; Department of Animal and Poultry Science, College of Agriculture and Bioresources, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - V H Guevara-Oquendo
- Department of Animal and Poultry Science, College of Agriculture and Bioresources, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - X Zhang
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, 22 Jinjin Road, Tianjin 300384, China.
| | - X Yan
- The Branch Academy of Animal Science, Jilin Academy of Agricultural Sciences, Gongzhuling, Jilin 136100, China
| | - H Zhang
- College of Life Science and Engineering, Foshan University, Guangdong, China
| | - P Yu
- Department of Animal and Poultry Science, College of Agriculture and Bioresources, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada.
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Kong W, Wang Q, Deng G, Zhao H, Zhao L, Lu J, Liu X. Se@SiO2@Au-PEG/DOX NCs as a multifunctional theranostic agent efficiently protect normal cells from oxidative damage during photothermal therapy. Dalton Trans 2020; 49:2209-2217. [PMID: 32003374 DOI: 10.1039/c9dt04867g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A multifunctional theranostic agent was exploited, which can efficiently prevent healthy cells from oxidative damage during photothermal therapy, thus solving the problem of hyperthermia therapy by introducing selenium.
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Affiliation(s)
- Wenyan Kong
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai
- China
| | - Qi Wang
- Trauma Center
- Shanghai General Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
- China
| | - Guoying Deng
- Trauma Center
- Shanghai General Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
- China
| | - Hang Zhao
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai
- China
| | - Linjing Zhao
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai
- China
| | - Jie Lu
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai
- China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai
- China
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Wu Z, Wu J, Zhao J, Kang Y, Wang J, Wang Q, Deng G. Gold Nanorods Combined with an Near Infrared Laser for the Establishment of a Precise Posttraumatic Osteoarthritis Model. J Biomed Nanotechnol 2020; 16:65-75. [PMID: 31996286 DOI: 10.1166/jbn.2020.2876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Objective: To investigate the innovative application of gold nanorods combined with a laser in posttraumatic osteoarthritis (PTOA) modeling and to discuss the possible mechanisms. Methods: Electron microscopy was used to characterize the gold nanorods. Cell counting kit-8 assay and enzyme-linked immunosorbent assay were used to evaluate cell proliferation and cytotoxicity. An infrared spectroscopy (IR) thermal camera was used to monitor the temperature changes of gold nanorods with or without the laser treatment. Furthermore, western blotting was used to evaluate the expression of related proteins in response to the indicated treatments. Finally, microcomputed tomography (micro-CT) was used to determine the structural changes in knee joints. Changes in the cartilage and various other tissues were assessed by histological examination. Results: The characteristics and biosafety of the gold nanorods were confirmed. Our study showed that gold nanorods combined with the laser inhibited cell viability, but the gold nanorods or laser alone did not affect cell viability. Moreover, the effect on cell viability was time dependent. Similarly, only gold nanorods with the laser caused the apoptosis of cartilage cells and the upregulation of IL-1β, MMP-13 and Comp. We injected gold nanorods and used laser irradiation to develop an osteoarthritis (OA) model. The temperature of the knees in the OA model increased to 60 °C and then remained at approximately 60 °C. As the time increased, gold nanorods combined with the laser caused more injuries and degeneration in the knee joints. Conclusion: OA models that were established using gold nanorods and a laser were precise, controllable, observable and stable and could be an excellent premise for investigating the exact mechanisms underlying OA and exploring new treatment strategies.
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Ren L, Liu X, Ji T, Deng G, Liu F, Yuan H, Yu J, Hu J, Lu J. "All-in-One" Theranostic Agent with Seven Functions Based on Bi-Doped Metal Chalcogenide Nanoflowers. ACS Appl Mater Interfaces 2019; 11:45467-45478. [PMID: 31718131 DOI: 10.1021/acsami.9b16962] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Most of the existing single-component nanostructures cannot provide comprehensive diagnostic information, and their treatment strategies always have to combine other therapeutics as a complementary for effective biomedical application. Here, we adopted a facile approach to design a theranostic nanoflower (NF) with robust efficacy for comprehensive tumor diagnosis and quadruple synergistic cancer therapy. The NF is equipped with a metallic hybrid of several functional elements and flower-like superstructures and thus shows excellent in vitro and in vivo theranostic performance. It shows high X-ray attenuation coefficiency for the Bi element, strong near-infrared (NIR) plasmon absorbance and singlet oxygen (1O2) generation ability for the Mo element, and great photothermal conversion efficiency (54.7%) because of enhanced photoabsorption of the petal structure. Moreover, the NF realizes a very high doxorubicin-loading efficiency (90.0%) and bimodal pH/NIR-responsive drug release, posing a promise as a controlled drug carrier. The NF also shows excellent performance at trimodal magnetic resonance/X-ray computed tomography/photoacoustic imaging for comprehensive tumor diagnosis. To our best knowledge, it is the first time that integrating at least seven functions into one biomedical nanomaterial for well-rounded tumor theranostics has been reported. This "all-in-one" NF opens a new perspective in developing novel and efficient multifunctional nanotheranostics.
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Affiliation(s)
- Lanfang Ren
- College of Chemistry and Chemical Engineering , Shanghai University of Engineering Science , Shanghai 201620 , P. R. China
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences , East China Normal University , Shanghai , 200241 , China
| | - Xijian Liu
- College of Chemistry and Chemical Engineering , Shanghai University of Engineering Science , Shanghai 201620 , P. R. China
- School of Materials Science and Engineering , Nanyang Technological University , 639798 , Singapore
| | - Tao Ji
- College of Health Science and Environmental Engineering , Shenzhen Technology University , Shenzhen , 518118 , China
| | - Guoying Deng
- Trauma Center, Shanghai General Hospital , Shanghai Jiaotong University School of Medicine , No. 650 Xin Songjiang Road , Shanghai , 201620 , China
| | - Fengjiao Liu
- College of Chemistry and Chemical Engineering , Shanghai University of Engineering Science , Shanghai 201620 , P. R. China
| | - Haikuan Yuan
- College of Chemistry and Chemical Engineering , Shanghai University of Engineering Science , Shanghai 201620 , P. R. China
| | - Jing Yu
- School of Materials Science and Engineering , Nanyang Technological University , 639798 , Singapore
| | - Junqing Hu
- College of Health Science and Environmental Engineering , Shenzhen Technology University , Shenzhen , 518118 , China
| | - Jie Lu
- College of Chemistry and Chemical Engineering , Shanghai University of Engineering Science , Shanghai 201620 , P. R. China
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Huang X, Deng G, Han Y, Yang G, Zou R, Zhang Z, Sun S, Hu J. Right Cu 2- x S@MnS Core-Shell Nanoparticles as a Photo/H 2O 2-Responsive Platform for Effective Cancer Theranostics. Adv Sci (Weinh) 2019; 6:1901461. [PMID: 31637173 PMCID: PMC6794717 DOI: 10.1002/advs.201901461] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/02/2019] [Indexed: 05/03/2023]
Abstract
Stimuli-responsive nanomedicines have become a recent research focus as a candidate for cancer treatment because of their effectiveness, sensibility, and minimal invasiveness. In this work, a novel nanosystem is developed based on Cu2- x S@MnS core-shell nanoparticles (CSNPs) in which the Cu2- x S core serves as a photosensitizer to generate hyperthermia and reactive oxygen species (ROS), and the MnS shell is used in H2O2-responsive O2 production. Cu2 -x S@MnS CSNPs with an independent core and shell ratio are synthesized by a controllable hot-injection method, resulting in an optimal photothermal (PT) effect with a PT conversion efficiency of up to 47.9%. An enhanced photodynamic (PD) effect also occurs in an H2O2 environment. More significantly, in vivo experiments demonstrate that Cu2 -x S@MnS CSNPs can mediate tumor shrinkage in both HeLa tumor cell line-derived xenograft (CDX) and head and neck squamous cell carcinoma (HNSCC) patient-derived xenograft (PDX) models, with the capability of being used as a T1-enhanced magnetic resonance (MR) contrast agent. These results suggest the great potential of as-prepared Cu2 -x S@MnS CSNPs as photo/H2O2-responsive therapeutic-agents against tumors, even in a complicated and heterogeneous environment, thus promoting the clinical translation of nanomedicine.
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Affiliation(s)
- Xiaojuan Huang
- Department of Oral and Maxillofacial‐Head & Neck OncologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- National Clinical Research Center for Oral DiseasesShanghai200011P. R. China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of StomatologyShanghai200011P. R. China
| | - Guoying Deng
- Trauma Center of Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai201620P. R. China
| | - Yong Han
- Department of Oral and Maxillofacial‐Head & Neck OncologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- National Clinical Research Center for Oral DiseasesShanghai200011P. R. China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of StomatologyShanghai200011P. R. China
| | - Guizhu Yang
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of StomatologyShanghai200011P. R. China
| | - Rujia Zou
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai201620P. R. China
| | - Zhiyuan Zhang
- Department of Oral and Maxillofacial‐Head & Neck OncologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- National Clinical Research Center for Oral DiseasesShanghai200011P. R. China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of StomatologyShanghai200011P. R. China
| | - Shuyang Sun
- Department of Oral and Maxillofacial‐Head & Neck OncologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- National Clinical Research Center for Oral DiseasesShanghai200011P. R. China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of StomatologyShanghai200011P. R. China
| | - Junqing Hu
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai201620P. R. China
- College of Health Science and Environmental EngineeringShenzhen Technology UniversityShenzhen518118P. R. China
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Li X, Wang Q, Deng G, Liu Y, Wei B, Liu X, Bao W, Wang Q, Wu S. Porous Se@SiO2 nanospheres attenuate cisplatin-induced acute kidney injury via activation of Sirt1. Toxicol Appl Pharmacol 2019; 380:114704. [DOI: 10.1016/j.taap.2019.114704] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 08/03/2019] [Accepted: 08/06/2019] [Indexed: 12/16/2022]
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Abstract
Regulatory T cells (Tregs) are specialized in immune suppression and play a dominant role in peripheral immune tolerance. Treg cell lineage development and function maintenance is determined by the forkhead box protein 3 (FoxP3) transcriptional factor, whose activity is fine‐tuned by its post‐translational modifications (PTMs) and interaction partners. In this review, we summarize current studies in the crystal structures, the PTMs and interaction partners of FoxP3 protein, and discuss how these insights may provide a roadmap for new approaches to modulate Treg suppression, and new therapies to enhance immune tolerance in autoimmune diseases.
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Affiliation(s)
- G Deng
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - X Song
- State Key Laboratory of Molecular Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - M I Greene
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Mei Q, Li C, Yin Y, Wang Q, Wang Q, Deng G. The relationship between the psychological stress of adolescents in school and the prevalence of chronic low back pain: a cross-sectional study in China. Child Adolesc Psychiatry Ment Health 2019; 13:24. [PMID: 31236133 PMCID: PMC6580587 DOI: 10.1186/s13034-019-0283-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Accepted: 06/04/2019] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Accumulating evidence supports an association between an unhealthy mental state and low back pain (LBP). However, the degree of the association between mental health and chronic low back pain (CLBP) in the general population is poorly understood. The objective of this study was to analyze the incidence of CLBP in Chinese college students and to examine the association between students' unhealthy mental states and the prevalence of CLBP. METHODS This is a cross-sectional study. A total of 10,000 questionnaires were distributed in the second semester of the 2017-2018 academic year by the School of Medicine, Shanghai JiaoTong University. Eligible participants were students aged ≥ 18 years from randomly selected Chinese colleges. Participants completed a questionnaire survey that included items from the Symptom Checklist-90 (SCL-90) and items on demographic factors, LBP prevalence, quality of life at their university, study-related stress and interpersonal relationships. The evaluation of students' mental states in the survey was divided into two major parts: direct and indirect indicators. A multivariate logistic regression model was mainly used to explore the relationship between CLBP and the students' mental health. RESULTS There was a high incidence of CLBP in the college students. Multiple logistic regression analysis indicated that the risk of CLBP increased with increasing scores on the SCL-90, and a clinically unhealthy mental state (scores greater than 3) was significantly associated with CLBP (adjusted odds ratios for depression, anxiety, coercion, paranoia, and interpersonal sensitivity were 7.209, 6.593, 3.959, 4.465, and 4.283, respectively; p < 0.001). Participants who had poor living habits or uncomfortable campus lives and those who experienced heavy academic pressure also showed a higher positive association with CLBP compared with the full sample. CONCLUSIONS Unhealthy psychological conditions, which may be attributed to unsatisfying school lives, excessive learning pressure, and uncomfortable interpersonal relationships, represent a risk factor for CLBP in college students.
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Affiliation(s)
- Qixiang Mei
- 0000 0004 0368 8293grid.16821.3cShanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080 China
| | - Chunlin Li
- 0000 0004 0368 8293grid.16821.3cShanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080 China
| | - Yue Yin
- 0000 0004 0368 8293grid.16821.3cShanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080 China
| | - Qi Wang
- 0000 0004 0368 8293grid.16821.3cTrauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620 People’s Republic of China
| | - Qiugen Wang
- 0000 0004 0368 8293grid.16821.3cTrauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620 People’s Republic of China
| | - Guoying Deng
- 0000 0004 0368 8293grid.16821.3cTrauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 650 Xin Songjiang Road, Shanghai, 201620 People’s Republic of China
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