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Du Y, Yu L, Deng B, Li Q, Hu J, Li L, Xu Y, Song L, Xie F, Wang Y, Chen Y, Liu C, Zhai X, Lu Y. Pharmacokinetic Interactions Between Tegoprazan and the Combination of Clarithromycin, Amoxicillin and Bismuth in Healthy Chinese Subjects: An Open-Label, Single-Center, Multiple-Dosage, Self-Controlled, Phase I Trial. Clin Drug Investig 2024:10.1007/s40261-024-01359-x. [PMID: 38615091 DOI: 10.1007/s40261-024-01359-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2024] [Indexed: 04/15/2024]
Abstract
BACKGROUND Tegoprazan is a potassium-competitive acid blocker that inhibits gastric acid and which may be used for eradicating Helicobacter pylori. This study focuses on the pharmacokinetic interaction and safety between tegoprazan and the combination of clarithromycin, amoxicillin and bismuth in healthy Chinese subjects. METHODS An open-label, three-period, single-center, multiple-dosage, single-sequence, phase I trial was conducted in 22 healthy subjects. In period 1, the subjects took tegoprazan 50 mg twice daily for 7 days, and in period 2 they were administered clarithromycin 500 mg, amoxicillin 1000 mg and bismuth potassium citrate 600 mg twice daily for 7 days (days 14-20). Tegoprazan, clarithromycin, amoxicillin and bismuth potassium citrate were then administered in combination for 7 days (days 21-27) in period 3. Blood samples were collected up to 12 h after the last dose of each period. Safety assessments were performed in each period. RESULTS The geometric mean ratios (GMRs) [90% confidence interval (CI)] of maximum plasma concentration at steady state (Cmax,ss) and area under the plasma concentration-time curve over the dosing interval (AUCτ) at steady state were 195.93% (175.52-218.71%) and 287.54% (263.28-314.04%) for tegoprazan and 423.23% (382.57-468.22%) and 385.61% (354.62-419.30%) for tegoprazan metabolite M1, respectively. The GMRs (90% CI) of Cmax,ss and AUCτ were 83.69% (77.44-90.45%) and 110.30% (102.74-118.41%) for clarithromycin, 126.25% (114.73-138.93%) and 146.94% (135.33-159.55%) for 14-hydroxyclarithromycin, 75.89% (69.73-82.60%) and 94.34% (87.94-101.20%) for amoxicillin, and 158.43% (125.43-200.11%) and 183.63% (156.42-215.58%) for bismuth, respectively. All reported adverse events were mild. The frequency of adverse events during the coadministration stage was not higher than that during the single- or triple-drug administration stages. CONCLUSION The plasma exposure of tegoprazan, M1, 14-hydroxyclarithromycin and bismuth was increased after the coadministration of tegoprazan, clarithromycin, amoxicillin and bismuth. The coadministration exhibited favorable safety and tolerability. CLINICAL TRIALS REGISTRATION CTR20230643.
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Affiliation(s)
- Yujing Du
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Lixiu Yu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China
- Hubei Province Clinical Research Centre for Precision Medicine for Critical Illness, Wuhan, 430022, Hubei, China
| | - Bin Deng
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China
- Hubei Province Clinical Research Centre for Precision Medicine for Critical Illness, Wuhan, 430022, Hubei, China
| | - Qinying Li
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Junrui Hu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Linjie Li
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Yusen Xu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Liangwei Song
- Shandong Luoxin Pharmaceutical Group Co., Ltd, Linyi, 276017, Shandong, China
| | - Fang Xie
- Shandong Luoxin Pharmaceutical Group Co., Ltd, Linyi, 276017, Shandong, China
| | - Yinghui Wang
- Shandong Luoxin Pharmaceutical Group Co., Ltd, Linyi, 276017, Shandong, China
| | - Yuhao Chen
- Shandong Luoxin Pharmaceutical Group Co., Ltd, Linyi, 276017, Shandong, China
| | - Chengxin Liu
- Shandong Luoxin Pharmaceutical Group Co., Ltd, Linyi, 276017, Shandong, China
| | - Xuejia Zhai
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China.
- Hubei Province Clinical Research Centre for Precision Medicine for Critical Illness, Wuhan, 430022, Hubei, China.
| | - Yongning Lu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei, China.
- Hubei Province Clinical Research Centre for Precision Medicine for Critical Illness, Wuhan, 430022, Hubei, China.
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Li M, Deng B, Huang Y, Li Q, Han J, Tang S, Chen L. Trends and risk factors for drug-resistant tuberculosis among children in Sichuan, China: A 10-year retrospective analysis, 2013-2022. Medicine (Baltimore) 2024; 103:e37643. [PMID: 38608104 PMCID: PMC11018228 DOI: 10.1097/md.0000000000037643] [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: 12/15/2023] [Accepted: 02/27/2024] [Indexed: 04/14/2024] Open
Abstract
To investigate the status of the drug-resistant tuberculosis (DR-TB) among children in Sichuan, and to find out the risk factors and high-risk population related to drug resistance among children. The clinical data of tuberculosis patients ≤14 years old with culture-confirmed tuberculosis hospitalized in Chengdu Public Health Clinical Center from January 2013 through December 2022 were collected. Clinical data such as gender, age, ethnicity, history of anti-TB treatment, history of exposure to tuberculosis, nutritional status, and specific drug resistance of the children were collected and recorded. The drug resistance of children in different age groups (0-4 years old, 5-9 years old, 10-14 years old) and different periods (2013-2017 and 2018-2022) were grouped and compared. Logistic regression analysis was to analyze analysis of risk factors of drug resistance in children. A total of 438 children with culture-confirmed tuberculosis were screened. Among them, 26.19% (11/42) were 0 to 4 years old, 33.33% (22/66) were 5 to 9 years old, and 36.67% (121/330) were 10 to 14 years old among the resistant children. There was no statistically significant difference in the resistance rate among the 3 groups (P = .385). The proportions of DR-TB, monoresistant tuberculosis, polydrug-resistant tuberculosis were decreased during 2019 to 2022 compared with 2013 to 2017 (P < .0001). The resistance rates of drug resistant, monoresistant, polydrug-resistant, isoniazid-resistant, and rifampicin resistant during 2018 to 2022 were decreased compared with those from 2013 to 2017 (P < .05), but the multi-drug resistance rate was not decreased (P = .131, without statistical difference). The results of logistic regression analysis showed that male gender OR = 1.566 (95% CI 1.035-2.369), a history of antituberculosis therapy OR = 4.049 (95% CI 1.442-11.367), and pulmonary and extrapulmonary tuberculosis OR = 7.335 (95% CI 1.401-38.392) were risk factors for the development of drug resistance; but fever OR = 0.581 (95% CI 0.355-0.950) was Protective factor. The total drug resistance rate of children in Sichuan showed a downward trend, but the rate of multi-drug-resistant tuberculosis was still at a high level, and the form of drug resistance was still severe. Absence of fever, male, retreatment, and pulmonary concurrent with extrapulmonary tuberculosis are risk factors for DR-TB in children.
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Affiliation(s)
- Maoying Li
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Bin Deng
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Yuhong Huang
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Qiong Li
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | - Jing Han
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
| | | | - Lei Chen
- Chengdu Public Health Clinic Center, Chengdu, Sichuan, China
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Zibigu R, Abidan A, Adilai D, Li Y, Kang X, Yu Q, Deng B, Zheng X, Wang M, Li J, Wang H, Zhang C. [Effect of LAG3 deficiency on natural killer cell function and hepatic fibrosis in mice infected with Echinococcus multilocularis]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2024; 36:59-66. [PMID: 38604686 DOI: 10.16250/j.32.1374.2024013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
OBJECTIVE To investigate the effect of LAG-3 deficiency (LAG3-/-) on natural killer (NK) cell function and hepatic fibrosis in mice infected with Echinococcus multilocularis. METHODS C57BL/6 mice, each weighing (20 ± 2) g, were divided into the LAG3-/- and wild type (WT) groups, and each mouse in both groups was inoculated with 3 000 E. multilocularis protoscoleces via the hepatic portal vein. Mouse liver and spleen specimens were collected 12 weeks post-infection, sectioned and stained with sirius red, and the hepatic lesions and fibrosis were observed. Mouse hepatic and splenic lymphocytes were isolated, and flow cytometry was performed to detect the proportions of hepatic and splenic NK cells, the expression of CD44, CD25 and CD69 molecules on NK cell surface, and the secretion of interferon γ (IFN-γ), tumor necrosis factor α (TNF-α), interleukin (IL)-4, IL-10 and IL-17A. RESULTS Sirius red staining showed widening of inflammatory cell bands and hyperplasia of fibrotic connective tissues around mouse hepatic lesions, as well as increased deposition of collagen fibers in the LAG3-/-group relative to the WT group. Flow cytometry revealed lower proportions of mouse hepatic (6.29% ± 1.06% vs. 11.91% ± 1.85%, P < 0.000 1) and splenic NK cells (4.44% ± 1.22% vs. 5.85% ± 1.10%, P > 0.05) in the LAG3-/- group than in the WT group, and the mean fluorescence intensity of CD44 was higher on the surface of mouse hepatic NK cells in the LAG3-/- group than in the WT group (t = -3.234, P < 0.01), while no significant differences were found in the mean fluorescence intensity of CD25 or CD69 on the surface of mouse hepaticNK cells between the LAG3-/- and WT groups (both P values > 0.05). There were significant differences between the LAG3-/- and WT groups in terms of the percentages of IFN-γ (t = -0.723, P > 0.05), TNF-α (t = -0.659, P > 0.05), IL-4 (t = -0.263, P > 0.05), IL-10 (t = -0.455, P > 0.05) or IL-17A secreted by mouse hepatic NK cells (t = 0.091, P > 0.05), and the percentage of IFN-γ secreted by mouse splenic NK cells was higher in the LAG3-/- group than in the WT group (58.40% ± 1.64% vs. 50.40% ± 4.13%; t = -4.042, P < 0.01); however, there were no significant differences between the two groups in terms of the proportions of TNF-α (t = -1.902, P > 0.05), IL-4 (t = -1.333, P > 0.05), IL-10 (t = -1.356, P > 0.05) or IL-17A secreted by mouse splenic NK cells (t = 0.529, P > 0.05). CONCLUSIONS During the course of E. multilocularis infections, LAG3-/- promotes high-level secretion of IFN-γ by splenic NK cells, which may participate in the reversal the immune function of NK cells, resulting in aggravation of hepatic fibrosis.
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Affiliation(s)
- R Zibigu
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
- Xinjiang Uygur Autonomous Region Key Laboratory of Molecular Biology for Endemic Diseases, Urumqi, Xinjiang 830054, China
| | - A Abidan
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - D Adilai
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - Y Li
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - X Kang
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - Q Yu
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - B Deng
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - X Zheng
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - M Wang
- Center for Digestive and Vascular Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - J Li
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Xinjiang Uygur Autonomous Region Key Laboratory of Molecular Biology for Endemic Diseases, Urumqi, Xinjiang 830054, China
| | - H Wang
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
| | - C Zhang
- College of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
- Clinical Medicine Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, China
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Wang J, Luo GY, Tian T, Zhao YQ, Meng SY, Wu JH, Han WX, Deng B, Ni J. Shared genetic basis and causality between schizophrenia and inflammatory bowel disease: evidence from a comprehensive genetic analysis. Psychol Med 2024:1-11. [PMID: 38563283 DOI: 10.1017/s0033291724000771] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
BACKGROUND The comorbidity between schizophrenia (SCZ) and inflammatory bowel disease (IBD) observed in epidemiological studies is partially attributed to genetic overlap, but the magnitude of shared genetic components and the causality relationship between them remains unclear. METHODS By leveraging large-scale genome-wide association study (GWAS) summary statistics for SCZ, IBD, ulcerative colitis (UC), and Crohn's disease (CD), we conducted a comprehensive genetic pleiotropic analysis to uncover shared loci, genes, or biological processes between SCZ and each of IBD, UC, and CD, independently. Univariable and multivariable Mendelian randomization (MR) analyses were applied to assess the causality across these two disorders. RESULTS SCZ genetically correlated with IBD (rg = 0.14, p = 3.65 × 10−9), UC (rg = 0.15, p = 4.88 × 10−8), and CD (rg = 0.12, p = 2.27 × 10−6), all surpassed the Bonferroni correction. Cross-trait meta-analysis identified 64, 52, and 66 significantly independent loci associated with SCZ and IBD, UC, and CD, respectively. Follow-up gene-based analysis found 11 novel pleiotropic genes (KAT5, RABEP1, ELP5, CSNK1G1, etc) in all joint phenotypes. Co-expression and pathway enrichment analysis illustrated those novel genes were mainly involved in core immune-related signal transduction and cerebral disorder-related pathways. In univariable MR, genetic predisposition to SCZ was associated with an increased risk of IBD (OR 1.11, 95% CI 1.07–1.15, p = 1.85 × 10−6). Multivariable MR indicated a causal effect of genetic liability to SCZ on IBD risk independent of Actinobacteria (OR 1.11, 95% CI 1.06–1.16, p = 1.34 × 10−6) or BMI (OR 1.11, 95% CI 1.04–1.18, p = 1.84 × 10−3). CONCLUSIONS We confirmed a shared genetic basis, pleiotropic loci/genes, and causal relationship between SCZ and IBD, providing novel insights into the biological mechanism and therapeutic targets underlying these two disorders.
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Affiliation(s)
- Jing Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Guang-Yu Luo
- Department of Gastroenterology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China
| | - Tian Tian
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Yu-Qiang Zhao
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Shi-Yin Meng
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Jun-Hua Wu
- Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, Hefei, China
| | - Wen-Xiu Han
- Department of Gastrointestinal Surgery, Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Bin Deng
- Department of Gastroenterology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China
| | - Jing Ni
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
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Li X, Yang F, Li L, Pu J, Liu Z, Xu L, Deng B, Wang Z, Liu W, Liu T. Developing and Validating a Risk Score for Predicting 1-Year Serious Adverse Events After Syncope. JACC Asia 2024; 4:339-341. [PMID: 38660111 PMCID: PMC11035935 DOI: 10.1016/j.jacasi.2024.01.011] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Affiliation(s)
- Xinmu Li
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin, China
| | - Fengjing Yang
- Heart Center, Peking University People’s Hospital, Beijing, China
| | - Li Li
- CHC International Hospital, Cixi, Zhejiang, China
| | - Jielin Pu
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Zhongmei Liu
- First Affiliated Hospital of Kunming Medical University, Kunming, China
| | | | - Bin Deng
- Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zengshuai Wang
- Second Affiliated Hospital of Baotou Medical College, Baotou, InnerMongolia, China
| | - Wenling Liu
- Heart Center, Peking University People’s Hospital, Beijing, China
| | - Tong Liu
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin, China
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Bahl M, Deng B. Impact of pre-operative MRI on surgical management of screening digital breast tomosynthesis-detected invasive lobular carcinoma. Breast Cancer Res Treat 2024; 204:397-405. [PMID: 38103117 DOI: 10.1007/s10549-023-07175-9] [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] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/02/2023] [Indexed: 12/17/2023]
Abstract
PURPOSE The purpose of this study is to determine the impact of pre-operative MRI on surgical management of screening digital breast tomosynthesis (DBT)-detected invasive lobular carcinoma (ILC). METHODS A retrospective medical record analysis was conducted of women with screening DBT-detected ILC and subsequent surgery from 2017-2021. Clinical, imaging, and pathological features were compared between women who did and did not undergo MRI, and between women with and without additional disease detected on MRI, using the Pearson's chi-squared test and Wilcoxon signed-rank test. Concordance between imaging and surgical pathology sizes was also evaluated. RESULTS Of 125 women (mean age 67 years, range 44-90) with screening-detected ILC, MRI was obtained in 62 women (49.6%) with a mean age of 63 years (range 45-80). Compared to women without MRI, women who had MRI examinations were younger, more likely to have dense breast tissue, and more likely to undergo mastectomy initially rather than lumpectomy (p < 0.001-0.01). Eighteen biopsies were performed based on MRI findings, of which 55.6% (10/18) were malignant. Conventional imaging more frequently underestimated ILC span at the biopsy site than MRI, using a 25% threshold difference (17.5% [7/40] versus 58.5% [24/41], p < 0.001). MRI detected more extensive disease at the biopsy site in six patients (9.7%, 6/62), additional ipsilateral disease in six patients (9.7%, 6/62), and contralateral disease in one patient (1.6%, 1/62). MRI therefore impacted surgical management in 21.0% (13/62) of patients. CONCLUSION MRI led to the detection of additional disease, thus impacting surgical management, in one-fifth of patients with ILC.
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Affiliation(s)
- M Bahl
- Department of Radiology, Massachusetts General Hospital, 55 Fruit Street, WAC 240, Boston, MA, 02114, USA.
| | - B Deng
- Massachusetts General Hospital, Athinoula A. Martinos Center for Biomedical Imaging, 149 13th Street, Suite 2282, Charlestown, MA, 02129, USA
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Benson DR, Deng B, Kashipathy MM, Lovell S, Battaile KP, Cooper A, Gao P, Fenton AW, Zhu H. The N-terminal intrinsically disordered region of Ncb5or docks with the cytochrome b 5 core to form a helical motif that is of ancient origin. Proteins 2024; 92:554-566. [PMID: 38041394 DOI: 10.1002/prot.26647] [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] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/10/2023] [Accepted: 11/17/2023] [Indexed: 12/03/2023]
Abstract
NADH cytochrome b5 oxidoreductase (Ncb5or) is a cytosolic ferric reductase implicated in diabetes and neurological conditions. Ncb5or comprises cytochrome b5 (b5 ) and cytochrome b5 reductase (b5 R) domains separated by a CHORD-Sgt1 (CS) linker domain. Ncb5or redox activity depends on proper inter-domain interactions to mediate electron transfer from NADH or NADPH via FAD to heme. While full-length human Ncb5or has proven resistant to crystallization, we have succeeded in obtaining high-resolution atomic structures of the b5 domain and a construct containing the CS and b5 R domains (CS/b5 R). Ncb5or also contains an N-terminal intrinsically disordered region of 50 residues that has no homologs in other protein families in animals but features a distinctive, conserved L34 MDWIRL40 motif also present in reduced lateral root formation (RLF) protein in rice and increased recombination center 21 in baker's yeast, all attaching to a b5 domain. After unsuccessful attempts at crystallizing a human Ncb5or construct comprising the N-terminal region naturally fused to the b5 domain, we were able to obtain a high-resolution atomic structure of a recombinant rice RLF construct corresponding to residues 25-129 of human Ncb5or (52% sequence identity; 74% similarity). The structure reveals Trp120 (corresponding to invariant Trp37 in Ncb5or) to be part of an 11-residue α-helix (S116 QMDWLKLTRT126 ) packing against two of the four helices in the b5 domain that surround heme (α2 and α5). The Trp120 side chain forms a network of interactions with the side chains of four highly conserved residues corresponding to Tyr85 and Tyr88 (α2), Cys124 (α5), and Leu47 in Ncb5or. Circular dichroism measurements of human Ncb5or fragments further support a key role of Trp37 in nucleating the formation of the N-terminal helix, whose location in the N/b5 module suggests a role in regulating the function of this multi-domain redox enzyme. This study revealed for the first time an ancient origin of a helical motif in the N/b5 module as reflected by its existence in a class of cytochrome b5 proteins from three kingdoms among eukaryotes.
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Affiliation(s)
- David R Benson
- Department of Chemistry, University of Kansas, Lawrence, Kansas, USA
| | - Bin Deng
- Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Maithri M Kashipathy
- Protein Structure and X-ray Crystallography Laboratory, The University of Kansas, Lawrence, Kansas, USA
| | - Scott Lovell
- Protein Structure and X-ray Crystallography Laboratory, The University of Kansas, Lawrence, Kansas, USA
| | | | - Anne Cooper
- Protein Production Group, The University of Kansas, Lawrence, Kansas, USA
| | - Philip Gao
- Protein Production Group, The University of Kansas, Lawrence, Kansas, USA
| | - Aron W Fenton
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Hao Zhu
- Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, Kansas, USA
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, Kansas, USA
- Department of Clinical Laboratory Sciences, University of Kansas Medical Center, Kansas City, Kansas, USA
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Qu Z, Deng B, Sun W, Yang R, Feng H. A Convolutional Neural Network for Automated Detection of Cervical Ossification of the Posterior Longitudinal Ligament using Magnetic Resonance Imaging. Clin Spine Surg 2024; 37:E106-E112. [PMID: 37941120 DOI: 10.1097/bsd.0000000000001547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 10/03/2023] [Indexed: 11/10/2023]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE We aimed to develop and validate a convolutional neural network (CNN) model to distinguish between cervical ossification of posterior longitudinal ligament (OPLL) and multilevel degenerative spinal stenosis using Magnetic Resonance Imaging (MRI) and to compare the diagnostic ability with spine surgeons. SUMMARY OF BACKGROUND DATA Some artificial intelligence models have been applied in spinal image analysis and many of promising results were obtained; however, there was still no study attempted to develop a deep learning model in detecting cervical OPLL using MRI images. MATERIALS AND METHODS In this retrospective study, 272 cervical OPLL and 412 degenerative patients underwent surgical treatment were enrolled and divided into the training (513 cases) and test dataset (171 cases). CNN models applying ResNet architecture with 34, 50, and 101 layers of residual blocks were constructed and trained with the sagittal MRI images from the training dataset. To evaluate the performance of CNN, the receiver operating characteristic curves of 3 ResNet models were plotted and the area under the curve were calculated on the test dataset. The accuracy, sensitivity, and specificity of the diagnosis by the CNN were calculated and compared with 3 senior spine surgeons. RESULTS The diagnostic accuracies of our ResNet34, ResNet50, and ResNet101 models were 92.98%, 95.32%, and 97.66%, respectively; the area under the curve of receiver operating characteristic curves of these models were 0.914, 0.942, and 0.971, respectively. The accuracies and specificities of ResNet50 and ResNet101 models were significantly higher than all spine surgeons; for the sensitivity, ResNet101 model achieved better values than that of the 2 surgeons. CONCLUSION The performance of our ResNet model in differentiating cervical OPLL from degenerative spinal stenosis using MRI is promising, better results were achieved with more layers of residual blocks applied.
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Affiliation(s)
- Zhe Qu
- Department of Spine Surgery, The Affiliated Hospital of Xuzhou Medical University
- Xuzhou Medical University
| | - Bin Deng
- Department of Spine Surgery, The Affiliated Hospital of Xuzhou Medical University
- Xuzhou Medical University
| | - Wei Sun
- Department of Spine Surgery, The Affiliated Hospital of Xuzhou Medical University
- Xuzhou Medical University
| | - Ranran Yang
- Xuzhou Medical University
- Department of Radiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Hu Feng
- Department of Spine Surgery, The Affiliated Hospital of Xuzhou Medical University
- Xuzhou Medical University
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Liu H, Deng B, Chen FH, Suo JQ, Ouyang GC, Lu HL, Chen DS, Meng X. Effector enrichment by Candidatus Liberibacter promotes Diaphorina citri feeding via Jasmonic acid pathway suppression. Pest Manag Sci 2024. [PMID: 38554028 DOI: 10.1002/ps.8107] [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] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/09/2024] [Accepted: 03/30/2024] [Indexed: 04/01/2024]
Abstract
BACKGROUND Citrus huanglongbing (HLB) is a devastating disease caused by Candidatus Liberibacter asiaticus (CLas) that affects the citrus industry. In nature, CLas relies primarily on Diaphorina citri Kuwayama as its vector for dissemination. After D. citri ingests CLas-infected citrus, the pathogen infiltrates the insect's body, where it thrives, reproduces, and exerts regulatory control over the growth and metabolism of D. citri. Previous studies have shown that CLas alters the composition of proteins in the saliva of D. citri, but the functions of these proteins remain largely unknown. RESULTS In this study, we detected two proteins (DcitSGP1 and DcitSGP3) with high expression levels in CLas-infected D. citri. Quantitative PCR and Western blotting analysis showed that the two proteins were highly expressed in the salivary glands and delivered into the host plant during feeding. Silencing the two genes significantly decreased the survival rate for D. citri, reduced phloem nutrition sucking and promoted jasmonic acid (JA) defenses in citrus. By contrast, after overexpressing the two genes in citrus, the expression levels of JA pathway-associated genes decreased. CONCLUSION Our results suggest that CLas can indirectly suppress the defenses of citrus and support feeding by D. citri via increasing the levels of effectors in the insect's saliva. This discovery facilitates further research into the interaction between insect vectors and pathogens. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Hao Liu
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Bin Deng
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Feng-Hao Chen
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Jia-Qi Suo
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Ge-Cheng Ouyang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Hui-Lin Lu
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Da-Song Chen
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Xiang Meng
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
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Feng X, Sun Z, Huang Y, Zhang Y, Chen Y, Deng B. A Low Systemic Inflammatory Response Index Is Associated With Improved Survival in Adenoid Cystic Carcinoma Patients. J Oral Maxillofac Surg 2024:S0278-2391(24)00204-0. [PMID: 38615695 DOI: 10.1016/j.joms.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 03/20/2024] [Accepted: 03/20/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND Predicting the long-term survival in adenoid cystic carcinoma (ACC) patients remains challenging. Inflammatory cell-based indices are emerging as prognostic indicators of oncology. PURPOSE This study aimed to determine the associations between the preoperative systemic inflammatory response index (SIRI) and the systemic immunoinflammatory index (SII) and the 10-year survival rates in patients with ACC of the head and neck (ACCHN). STUDY DESIGN, SETTING, SAMPLE This retrospective cohort study comprised ACCHN patients treated at the Chinese People's Liberation Army General Hospital between November 2003 and December 2020. PREDICTOR VARIABLE The inflammatory response, assessed using the SIRI and SII, was the predictor variable. The optimal cutoff values were based on the maximum Youden index values (sensitivity + specificity-1). The patients were divided into two groups each, based on the SIRI (low, ≤ 0.15) and (high, > 0.15), and SII (low, ≤ 562.8 and high, > 562.8) values. MAIN OUTCOME VARIABLE(S) Overall survival (OS), or the number of days, weeks, or months between treatment initiation and death (or the last follow-up date), was the primary outcome variable. COVARIATES The covariates were classified as demographic (age, gender, body mass index), medical (hypertension, diabetes), inflammatory (neutrophils, lymphocytes, monocytes, platelets, lymphocyte-monocyte ratio, platelet-lymphocyte ratio, neutrophil-lymphocyte ratio), and perioperative (tumor stage, lymph node metastasis, tumor size, treatment type). ANALYSES Descriptive, univariate, and multivariate Cox proportional risk regression analyses were performed to determine whether the SIRI and SII were independent prognostic factors for OS. Kaplan-Meier survival curves and log-rank tests were used to determine their associations with the OS. RESULTS The study sample comprised 162 patients (mean age, 52 ± 14; males, 39.5%). The median follow-up time was 6.81 ± 0.23, and the 10-year OS rate was 7.68 ± 0.25. The low and high SIRI groups comprised 109 and 53 patients, while the low and high SII groups comprised 116 and 46 patients, respectively. SIRI was identified as a prognostic factor (P < .01; hazard ratio, 2.45; 95% confidence interval, 1.35-4.45). CONCLUSION AND RELEVANCE The SIRI has the advantages of reproducibility, convenience, noninvasiveness, and affordability, making it a promising prognostic inflammatory index for patients with ACCHN.
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Affiliation(s)
- Xuanqi Feng
- Graduate Student, Medical School of Chinese PLA, Beijing, China
| | - Zhongyang Sun
- Resident Doctor, Medical School of Chinese PLA, Beijing, China
| | - Yang Huang
- Dentistry, Attending Physician, Department of Stomatology, The First Medical Center, Chinese PLA General, Medical School of Chinese PLA, Beijing, China
| | - Yu Zhang
- Graduate Student, Department of Infectious Disease Management, The Second Affiliated Hospital of Xiamen Medical College (Xiamen Second Hospital), Xiamen, China
| | - Yanru Chen
- Graduate Student, Medical School of Chinese PLA, Beijing, China
| | - Bin Deng
- Dentistry, Associate Chief Physician, Deputy Director Physician, Department of Stomatology, Medical School of Chinese PLA, The First Medical Center, Chinese PLA General, Medical School of Chinese PLA, Beijing, China.
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Zhang Z, Jin H, Zhang X, Bai M, Zheng K, Tian J, Deng B, Mao L, Qiu P, Huang B. Bioinformatics and system biology approach to identify the influences among COVID-19, influenza, and HIV on the regulation of gene expression. Front Immunol 2024; 15:1369311. [PMID: 38601162 PMCID: PMC11004287 DOI: 10.3389/fimmu.2024.1369311] [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: 01/12/2024] [Accepted: 03/14/2024] [Indexed: 04/12/2024] Open
Abstract
Background Coronavirus disease (COVID-19), caused by SARS-CoV-2, has emerged as a infectious disease, coexisting with widespread seasonal and sporadic influenza epidemics globally. Individuals living with HIV, characterized by compromised immune systems, face an elevated risk of severe outcomes and increased mortality when affected by COVID-19. Despite this connection, the molecular intricacies linking COVID-19, influenza, and HIV remain unclear. Our research endeavors to elucidate the shared pathways and molecular markers in individuals with HIV concurrently infected with COVID-19 and influenza. Furthermore, we aim to identify potential medications that may prove beneficial in managing these three interconnected illnesses. Methods Sequencing data for COVID-19 (GSE157103), influenza (GSE185576), and HIV (GSE195434) were retrieved from the GEO database. Commonly expressed differentially expressed genes (DEGs) were identified across the three datasets, followed by immune infiltration analysis and diagnostic ROC analysis on the DEGs. Functional enrichment analysis was performed using GO/KEGG and Gene Set Enrichment Analysis (GSEA). Hub genes were screened through a Protein-Protein Interaction networks (PPIs) analysis among DEGs. Analysis of miRNAs, transcription factors, drug chemicals, diseases, and RNA-binding proteins was conducted based on the identified hub genes. Finally, quantitative PCR (qPCR) expression verification was undertaken for selected hub genes. Results The analysis of the three datasets revealed a total of 22 shared DEGs, with the majority exhibiting an area under the curve value exceeding 0.7. Functional enrichment analysis with GO/KEGG and GSEA primarily highlighted signaling pathways associated with ribosomes and tumors. The ten identified hub genes included IFI44L, IFI44, RSAD2, ISG15, IFIT3, OAS1, EIF2AK2, IFI27, OASL, and EPSTI1. Additionally, five crucial miRNAs (hsa-miR-8060, hsa-miR-6890-5p, hsa-miR-5003-3p, hsa-miR-6893-3p, and hsa-miR-6069), five essential transcription factors (CREB1, CEBPB, EGR1, EP300, and IRF1), and the top ten significant drug chemicals (estradiol, progesterone, tretinoin, calcitriol, fluorouracil, methotrexate, lipopolysaccharide, valproic acid, silicon dioxide, cyclosporine) were identified. Conclusion This research provides valuable insights into shared molecular targets, signaling pathways, drug chemicals, and potential biomarkers for individuals facing the complex intersection of COVID-19, influenza, and HIV. These findings hold promise for enhancing the precision of diagnosis and treatment for individuals with HIV co-infected with COVID-19 and influenza.
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Affiliation(s)
- Zhen Zhang
- Microbiology Laboratory Department, Jinzhou Center for Disease Control and Prevention, Jinzhou, Liaoning, China
| | - Hao Jin
- Microbiology Laboratory Department, Jinzhou Center for Disease Control and Prevention, Jinzhou, Liaoning, China
| | - Xu Zhang
- Microbiology Laboratory Department, Jinzhou Center for Disease Control and Prevention, Jinzhou, Liaoning, China
| | - Mei Bai
- Microbiology Laboratory Department, Jinzhou Center for Disease Control and Prevention, Jinzhou, Liaoning, China
| | - Kexin Zheng
- Microbiology Laboratory Department, Jinzhou Center for Disease Control and Prevention, Jinzhou, Liaoning, China
| | - Jing Tian
- Department of Immunology, School of Basic Medical Science, Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Bin Deng
- Laboratory Department, Jinzhou Central Hospital, Jinzhou, Liaoning, China
| | - Lingling Mao
- Institute for Prevention and Control of Infection and Infectious Diseases, Liaoning Provincial Center for Disease Control and Prevention, Shenyang, Liaoning, China
| | - Pengcheng Qiu
- Thoracic Surgery Department, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Bo Huang
- Thoracic Surgery Department, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
- Thoracic Surgery Department, Yingkou Central Hospital, Yingkou, Liaoning, China
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Deng B, Chen J, Li S, Liu J, Zhou Z, Qin Z, Wang H, Su M, Li L, Bai Z. An antibacterial packaging film based on amylose starch with quaternary ammonium salt chitosan and its application for meat preservation. Int J Biol Macromol 2024; 261:129706. [PMID: 38272422 DOI: 10.1016/j.ijbiomac.2024.129706] [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: 09/19/2023] [Revised: 01/11/2024] [Accepted: 01/22/2024] [Indexed: 01/27/2024]
Abstract
A new generation of food packaging films is gradually replacing traditional plastic packaging films because of their biodegradability, safety, and some functional properties such as anti-bacterial and oxidant resistance. In the present work, an antibacterial packing film based on amylose starch and 2-hydroxypropyl-trimethylammonium chloride chitosan (HTCC) was prepared for meat preservation. The interfacial bonding mechanism between amylose, HTCC, and glutaraldehyde (GA) was determined experimentally and through molecular dynamics (MD) simulation. The macromolecular chains of amylose starch and HTCC became entangled via inter-molecular H-bonds and then cross-linked with GA via the Schiff base reaction. The interaction of amylose starch and HTCC improved the mechanical properties of the amylose films. Compared with the amylose films, the tensile strength and elongation at break of the optimal HTCC/amylose films reached to 16.13 MPa (an increase of 206.65 %) and 53.86 % (an increase of 109.49 %). The HTCC/amylose films were found to provide obvious bacteriostatic performance, a relatively low cytotoxicity, the lower transmittance in the UV region, and thus the ability to enhance the preservation of fresh meat. These excellent characteristics therefore suggest that HTCC/amylose films might be promising candidates for application in antibacterial food packaging films.
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Affiliation(s)
- Bin Deng
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Protected Agriculture Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Nanjing, China; School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jingwen Chen
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Protected Agriculture Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Nanjing, China; School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Shaobo Li
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Protected Agriculture Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Nanjing, China; School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jing Liu
- School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zhongkai Zhou
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Protected Agriculture Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Nanjing, China
| | - Zhu Qin
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Science, Nanjing, China
| | - Huixing Wang
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Protected Agriculture Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Nanjing, China
| | - Mengxiang Su
- School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Li Li
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Protected Agriculture Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Nanjing, China.
| | - Zongchun Bai
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Protected Agriculture Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Nanjing, China.
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Ma L, Shi Y, Li C, Deng B, Jiang J, Cao Y, Wang L, Li H. MGMT unmethylation and high levels of CD47 and TIGIT indicate a poor prognosis in adult diffuse gliomas. Front Immunol 2024; 15:1323307. [PMID: 38404571 PMCID: PMC10884119 DOI: 10.3389/fimmu.2024.1323307] [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: 10/17/2023] [Accepted: 01/23/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction In 2021, the World Health Organization published a new classification system for central nervous system tumors. This study reclassified the adult diffuse glioma (ADG) into astrocytoma, oligodendroglioma, and glioblastoma (GBM) according to the new tumor classification. Methods The association of TERT promoter (pTERT) mutation, MGMT methylation, and CD47/TIGIT expression with patient prognosis was investigated. Results Immunohistochemical analysis showed that the expression levels of CD47 and TIGIT in tumor tissues were significantly higher than those in normal brain tissues. CD47 levels were higher in GBM and grade 4 astrocytoma tissues. TIGIT expression was also higher in patients with GBM. The high expressions of CD47, TIGIT, and CD47/TIGIT were positively correlated with MGMT unmethylation but not pTERT mutation. Moreover, MGMT unmethylation was associated with poor overall survival in astrocytoma. High CD47, TIGIT, and CD47/TIGIT levels were associated with significantly reduced survival in ADG and GBM. GBM, MGMT unmethylation, and high CD47 expression were independent prognostic factors for overall survival in ADG. Discussion Collectively, these results showed that the MGMT unmethylation and high levels of CD47 and TIGIT are associated with a poor prognosis in ADG. Patients with high CD47 and TIGIT expression may benefit from anti-CD47 and TIGIT immunotherapy.
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Affiliation(s)
- Lingbo Ma
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital/Shihezi University School of Medicine, Shihezi, China
| | - Yi Shi
- Department of Pathology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Chang Li
- Department of Cardiothoracic Surgery, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, China
| | - Bin Deng
- Department of Medical Record Statistics, Northeast Yunnan Regional Central Hospital, Zhaotong, China
| | - Jinfang Jiang
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital/Shihezi University School of Medicine, Shihezi, China
| | - Yuwen Cao
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital/Shihezi University School of Medicine, Shihezi, China
| | - Lianghai Wang
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital/Shihezi University School of Medicine, Shihezi, China
| | - Hongyan Li
- Department of Neurology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
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Wang K, Wang J, Hao X, Deng B, Zhang Z, Yi G. Large-Scale Bio-Inspired FPGA Models for Path Planning. IEEE Trans Biomed Circuits Syst 2024; 18:51-62. [PMID: 37549075 DOI: 10.1109/tbcas.2023.3302993] [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] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
The hippocampus provides significant inspiration for spatial navigation and memory in both humans and animals. Constructing large-scale spiking neural network (SNN) models based on the biological neural systems is an important approach to comprehend the computational principles and cognitive function of the hippocampus. Such models are usually implemented on neuromorphic computing platforms, which often have limited computing resources that constrain the achievable scale of the network. This work introduces a series of digital design methods to realize a Field-Programmable Gate Array (FPGA) friendly SNN model. The methods include FPGA-friendly nonlinear calculation modules and a fixed-point design algorithm. A brain-inspired large-scale SNN of ∼21 k place cells for path planning is mapped on FPGA. The results show that the path planning tasks in different environments are finished in real-time and the firing activities of place cells are successfully reproduced. With these methods, the achievable network size on one FPGA chip is increased by 1595 times with higher resource usage efficiency and faster computation speed compared to the state-of-the-art.
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Gong B, Wang J, Cai G, Xu P, Chang S, Zhang Z, Liu C, Deng B, Wei X. Scalable Multi-Hierarchy Embedded Platform for Neural Population Simulations. IEEE Trans Biomed Circuits Syst 2024; 18:16-26. [PMID: 37527295 DOI: 10.1109/tbcas.2023.3300267] [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] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Brain-inspired structured neural circuits are the cornerstones of both computational and perceived intelligence. Real-time simulations of large-scale high-dimensional neural populations with complex nonlinearities pose a significant challenge. Taking advantage of distributed computations using embedded multi-cores, we propose an ARM-based scalable multi-hierarchy parallel computing platform (EmPaas) for neural population simulations. EmPaas is constructed using 340 ARM Cortex-M4 microprocessors to achieve high-speed and high-accuracy parallel computing. The tree-two-dimensional grid-like hybrid topology completes the overall construction, reducing communication strain and power consumption. As an instance of embedded computing, the optimized model for a biologically plausible basal ganglia-thalamus (BG-TH) network is deployed into this platform to verify the performance. At an operating frequency of 168 MHz, the BG-TH network consisting of 4000 Izhikevich neurons is simulated in the platform for 3000 ms with a power consumption of 56.565 mW per core and an actual time of 2748.57 ms, which shows the parallel computing approach significantly improves computational efficiency. EmPaas can meet the requirement of real-time performance with the maximum amount of 2000 Izhikevich neurons loaded in each Extended Community Unit (ECUnit), which provides a new practical method for research in large-scale brain network simulation and brain-inspired computing.
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Li F, Weng G, Zhou H, Zhang W, Deng B, Luo Y, Tao X, Deng M, Guo H, Zhu S, Wang Q. The neutrophil-to-lymphocyte ratio, lymphocyte-to-monocyte ratio, and neutrophil-to-high-density-lipoprotein ratio are correlated with the severity of Parkinson's disease. Front Neurol 2024; 15:1322228. [PMID: 38322584 PMCID: PMC10844449 DOI: 10.3389/fneur.2024.1322228] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/08/2024] [Indexed: 02/08/2024] Open
Abstract
Background Inflammation plays a pivotal role in the pathogenesis of Parkinson's disease (PD). However, the correlation between peripheral inflammatory markers and the severity of PD remains unclear. Methods The following items in plasma were collected for assessment among patients with PD (n = 303) and healthy controls (HCs; n = 303) were assessed for the neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio (LMR) and neutrophil-to-high-density-lipoprotein ratio (NHR) in plasma, and neuropsychological assessments were performed for all patients with PD. Spearman rank or Pearson correlation was used to evaluate the correlation between the NLR, the LMR and the NHR and the severity of PD. Receiver operating characteristic (ROC) curves were used to evaluate the diagnostic performance of the NLR, LMR and NHR for PD. Results The plasma NLR and NHR were substantially higher in patients with PD than in HCs, while the plasma LMR was substantially lower. The plasma NLR was positively correlated with Hoehn and Yahr staging scale (H&Y), Unified Parkinson's Disease Rating Scale (UPDRS), UPDRS-I, UPDRS-II, and UPDRS-III scores. Conversely, it exhibited a negative relationship with Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) scores. Furthermore, the plasma NHR was positively correlated with H&Y, UPDRS, UPDRS-I, UPDRS-II and UPDRS-III scores. Moreover, negative associations were established between the plasma LMR and H&Y, UPDRS, UPDRS-I, UPDRS-II, and UPDRS-III scores. Finally, based on the ROC curve analysis, the NLR, LMR and NHR exhibited respectable PD discriminating power. Conclusion Our research indicates that a higher NLR and NHR and a lower LMR may be relevant for assessing the severity of PD and appear to be promising disease-state biomarker candidates.
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Affiliation(s)
- Fangyi Li
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
- Department of Neurology, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Guomei Weng
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
- Department of Neurology, The First People’s Hospital of Zhaoqing, Zhaoqing, China
| | - Hang Zhou
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Wenjie Zhang
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Bin Deng
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Yuqi Luo
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Xi Tao
- Department of Neurological Rehabilitation, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Mingzhu Deng
- Department of Neurology, Brain Hospital of Hunan Province, The Second People’s Hospital of Hunan Province, Changsha, China
| | - Haiqiang Guo
- Department of Neurology, Dafeng Hospital of Chaoyang District in Shantou City, Shantou, China
| | - Shuzhen Zhu
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Qing Wang
- Department of Neurology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
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Deng B, Gu J, Zhang S, Huang J, Zhang X, Zhou J, Wang W, Fan B, Liu J, Li L, Su M, Li B. Low-Cytotoxicity, Broad-Spectrum Corn Starch-Based Antibacterial Particles that Inhibit Multidrug-Resistant Bacteria. ACS Appl Bio Mater 2024; 7:256-268. [PMID: 38109849 DOI: 10.1021/acsabm.3c00848] [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] [Indexed: 12/20/2023]
Abstract
Antimicrobial resistance is a serious problem in biomedical applications that seriously increases the risk of medical failure. Therefore, developing highly efficient antibacterial agents that inhibit the growth of multidrug-resistant bacteria is a long-standing research goal. In this report, a low-cytotoxicity and highly efficient alternative to antibiotics was designed and prepared using edible corn starch as the scaffold and 2-hydroxypropyl-trimethylammonium chloride chitosan (HTCC) as the antimicrobial agent. The HTCC/starch particles were found to have a positively charged surface over a wide pH range and to possess broad-spectrum and highly efficient antimicrobial properties. These particles inhibited the growth of standard Gram-positive and Gram-negative bacteria from the China Pharmacopoeia and a clinical multidrug-resistant bacterial strain. Moreover, after treating the HTCC/starch particles with simulated gastric fluid (SGF, pH 1.2) for 4 h, the growth of clinical multidrug-resistant Escherichia coli (NT 2036) was inhibited effectively, indicating that these particles tolerate a gastric acid environment. Although the mass of SGF-treated HTCC/starch particles required to achieve similar antibacterial activity was ∼20-fold that of chloramphenicol or ampicillin, antibiotic-containing products require considerable amounts of pharmaceutical excipients to prepare. Therefore, the HTCC/starch particles described herein are potentially cost-effective alternatives to antibiotics that resolve the antimicrobial resistance issue, especially for inhibiting the growth of pathogenic intestinal bacteria.
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Affiliation(s)
- Bin Deng
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Jun Gu
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Shuaifeng Zhang
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Jin Huang
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Xuehan Zhang
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Junming Zhou
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Wei Wang
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Baochao Fan
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Jing Liu
- School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Li Li
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- Jiangsu Coinnovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu 225000, China
| | - Mengxiang Su
- School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Bin Li
- Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- Jiangsu Coinnovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu 225000, China
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18
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Fang J, Deng B. Theoretical design and experimental verification of control system for building material packaging unit based on risk management. Sci Rep 2024; 14:462. [PMID: 38172171 PMCID: PMC10764808 DOI: 10.1038/s41598-023-51102-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 12/30/2023] [Indexed: 01/05/2024] Open
Abstract
Facing the shortage of special building materials packaging machinery with thermal insulation and low intelligence, this paper designs a set of mechanical and electrical integration packaging unit control system to reduce the risk of material transportation for different stakeholders. According to risk management tools, the system takes Mitsubishi PLC as the control core and combines with communication module, servo motor drive system and touch screen man-machine interface to realize the risk simulation and automatic control of the packaging unit. The simulation results of PID control model show that the parameters such as speed and torque can be stabilized in a relatively short period of time when the load is suddenly changed within 1.5 s. Theoretical verification of the system has small steady-state error, rapid response, and good control effect. The man-machine interface design was carried out and the actual corresponding test experiment was carried out. The experimental results showed that the overall operation rate of the packaging unit system reached 98.15%, the pass rate was 99.03%, and the production capacity was about 9600 packs/hour, which met the production requirements. The control system of the building material packaging unit designed in this paper realizes the equipment intelligence, has a high degree of automation, and shows good potential application value in the aspects of building information, reduction of construction risks and manufacturing intelligence.
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Affiliation(s)
- Jiayu Fang
- University of Sydney, 21 Ross Street, Forest Lodge, Sydney, Australia
| | - Bin Deng
- Tianping College of Suzhou University of Science and Technology, No. 55 Changjiang Road, Suzhou, China.
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Tian K, Deng B, Han X, Zheng H, Lin T, Wang Z, Zhang Y, Wang G. Over-expression of microRNA-145 Elevating Autophagy Activities via Downregulating FRS2 Expression. Comb Chem High Throughput Screen 2024; 27:127-135. [PMID: 37264620 DOI: 10.2174/1386207326666230602090848] [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] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 04/11/2023] [Accepted: 04/25/2023] [Indexed: 06/03/2023]
Abstract
OBJECTIVES Osteoarthritis (OA) is one of the most common chronic and progressive joint diseases characterized by cartilage degeneration and chondrocyte death. In this study, we aimed to identify the modulation effect of miR-145 on chondrocytes' autophagy during the development of OA. BACKGROUND Osteoarthritis (OA) is one of the most prevalent types of chronic and progressive joint disorder with the symptoms of joint pain and stiffness, and it leads to disability at the end stage. In recent years, microRNA-145 (miR-145) has been found to activate autophagy in various cell types, including mesenchymal stem cells, cardiomyocytes, and osteosarcoma cells. However, it is unknown whether miR-145 regulates the progression of OA by influencing chondrocyte autophagy. METHODS Before investigating the regulatory effect of miR-145 on the autophagic activity of chondrocytes, the expression of miR-145 in human joint samples was analyzed. The targeting relationship between miR-145 and FRS2 was detected by dual luciferase assay. The effect of FRS2 and miR-145 on the autophagic activity of chondrocytes was observed by bidirectional expression of FRS2 and miR-145. RESULTS The miR-145 expression and LC3-II/LC3-I ratio were significantly decreased and the SQSTM1 expression was increased in OA patients. The miR-145 overexpression in C20A4 cells increased LC3-II/LC3-I ratio, decreased SQSTM1 expression, and was positively correlated with autophagic activity. Under oxidative stress, miR-145 overexpression significantly improved chondrocyte viability through autophagy stimulation. FRS2 is a potential target of miR-145 via a binding sequence within its 3' UTR. FRS2 acts as the downstream mediator of miR-145 to suppress autophagy through activating PI3K/Akt/mTOR pathways. CONCLUSION The miR-145 acts as a protective factor against chondrocytes by regulating miRFRS2- autophagy axis. The decrease of miR-145 in articular synovial fluid may turn out to be an important marker for early diagnosis of OA, and modulation of miR-145 may represent a promising therapeutic strategy for OA.
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Affiliation(s)
- Ke Tian
- Department of Orthopedics and Joint, Affiiated Hospital of Jining Medical University, Shandong, 272001, China
| | - Bin Deng
- Department of Orthopedics, Affiliated Hospital of Jining Medical University, Shandong Province, Zoucheng District, Jining, 273500, Shandong, People's Republic of China
| | - Xiaodong Han
- Department of Orthopedics, Affiliated Hospital of Jining Medical University, Shandong Province, Zoucheng District, Jining, 273500, Shandong, People's Republic of China
| | - Haiyi Zheng
- Department of Orthopedics and Joint, Affiiated Hospital of Jining Medical University, Shandong, 272001, China
| | - Tao Lin
- Department of Orthopedics and Joint, Affiiated Hospital of Jining Medical University, Shandong, 272001, China
| | - Zhimeng Wang
- Department of Orthopedics and Joint, Affiiated Hospital of Jining Medical University, Shandong, 272001, China
| | - Yuanmin Zhang
- Department of Orthopedics and Joint, Affiiated Hospital of Jining Medical University, Shandong, 272001, China
| | - Guodong Wang
- Department of Orthopedics and Joint, Affiiated Hospital of Jining Medical University, Shandong, 272001, China
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20
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Deng B, Vanagas L, Alonso AM, Angel SO. Proteomics Applications in Toxoplasma gondii: Unveiling the Host-Parasite Interactions and Therapeutic Target Discovery. Pathogens 2023; 13:33. [PMID: 38251340 PMCID: PMC10821451 DOI: 10.3390/pathogens13010033] [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: 11/13/2023] [Revised: 12/25/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024] Open
Abstract
Toxoplasma gondii, a protozoan parasite with the ability to infect various warm-blooded vertebrates, including humans, is the causative agent of toxoplasmosis. This infection poses significant risks, leading to severe complications in immunocompromised individuals and potentially affecting the fetus through congenital transmission. A comprehensive understanding of the intricate molecular interactions between T. gondii and its host is pivotal for the development of effective therapeutic strategies. This review emphasizes the crucial role of proteomics in T. gondii research, with a specific focus on host-parasite interactions, post-translational modifications (PTMs), PTM crosstalk, and ongoing efforts in drug discovery. Additionally, we provide an overview of recent advancements in proteomics techniques, encompassing interactome sample preparation methods such as BioID (BirA*-mediated proximity-dependent biotin identification), APEX (ascorbate peroxidase-mediated proximity labeling), and Y2H (yeast two hybrid), as well as various proteomics approaches, including single-cell analysis, DIA (data-independent acquisition), targeted, top-down, and plasma proteomics. Furthermore, we discuss bioinformatics and the integration of proteomics with other omics technologies, highlighting its potential in unraveling the intricate mechanisms of T. gondii pathogenesis and identifying novel therapeutic targets.
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Affiliation(s)
- Bin Deng
- Department of Biology and VBRN Proteomics Facility, University of Vermont, Burlington, VT 05405, USA
| | - Laura Vanagas
- Laboratorio de Parasitología Molecular, Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús 7130, Provincia de Buenos Aires, Argentina; (L.V.); (S.O.A.); (A.M.A.)
- Escuela de Bio y Nanotecnologías (UNSAM), 25 de Mayo y Francia. C.P., San Martín 1650, Provincia de Buenos Aires, Argentina
| | - Andres M. Alonso
- Laboratorio de Parasitología Molecular, Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús 7130, Provincia de Buenos Aires, Argentina; (L.V.); (S.O.A.); (A.M.A.)
- Escuela de Bio y Nanotecnologías (UNSAM), 25 de Mayo y Francia. C.P., San Martín 1650, Provincia de Buenos Aires, Argentina
| | - Sergio O. Angel
- Laboratorio de Parasitología Molecular, Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús 7130, Provincia de Buenos Aires, Argentina; (L.V.); (S.O.A.); (A.M.A.)
- Escuela de Bio y Nanotecnologías (UNSAM), 25 de Mayo y Francia. C.P., San Martín 1650, Provincia de Buenos Aires, Argentina
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21
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Hou S, Zhao T, Deng B, Li C, Li W, Huang H, Hang Q. USP10 promotes migration and cisplatin resistance in esophageal squamous cell carcinoma cells. Med Oncol 2023; 41:33. [PMID: 38150085 DOI: 10.1007/s12032-023-02272-7] [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] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 11/24/2023] [Indexed: 12/28/2023]
Abstract
Cisplatin-based chemotherapy is the main treatment option for advanced or metastatic esophageal squamous cell carcinoma (ESCC). However, most ESCC patients develop drug resistance within 2 years after receiving cisplatin chemotherapy. Ubiquitin-specific protease 10 (USP10) is abnormally expressed in a variety of cancers, but the mechanistic roles of USP10 in ESCC are still obscure. Here, the effects of USP10 on the migration and cisplatin resistance of ESCC in vivo and in vitro and the underlying mechanisms have been investigated by bioinformatics analysis, RT-PCR, western blotting, immunoprecipitation, immunohistochemistry, cell migration and MTS cell proliferation assays, deubiquitination assay, and mouse tail vein injection model. USP10 was significantly up-regulated in ESCC tissues compared with adjacent normal tissues in both public databases and clinical samples and was closely associated with overall survival. Subsequent results revealed that USP10 contributed to the migration and cisplatin resistance of ESCC cells, while knocking down USP10 in cisplatin-resistant cells exhibited opposite effects in vitro and in vivo. Further Co-IP experiments showed that integrin β1 and YAP might be targets for USP10 deubiquitination. Moreover, deficiency of USP10 significantly inhibited the migrative and chemo-resistant abilities of ESCC cells, which could be majorly reversed by integrin β1 or YAP reconstitution. Altogether, USP10 was required for migration and cisplatin resistance in ESCC through deubiquinating and stabilizing integrin β1/YAP, highlighting that inhibition of USP10 may be a potential therapeutic strategy for ESCC.
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Affiliation(s)
- Sicong Hou
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225001, Jiangsu Province, China
| | - Tiantian Zhao
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225001, Jiangsu Province, China
- Department of Clinical Medicine, Medical College, Yangzhou University, Yangzhou, 225009, Jiangsu Province, China
| | - Bin Deng
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225001, Jiangsu Province, China
| | - Caimin Li
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225001, Jiangsu Province, China
- Department of Clinical Medicine, Medical College, Yangzhou University, Yangzhou, 225009, Jiangsu Province, China
| | - Wenqian Li
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225001, Jiangsu Province, China
- Department of Clinical Medicine, Medical College, Yangzhou University, Yangzhou, 225009, Jiangsu Province, China
| | - Haifeng Huang
- Department of Laboratory Medicine, The First People's Hospital of Yancheng, Yancheng, 224006, Jiangsu Province, China
- Department of Laboratory Medicine, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, Yancheng, 224006, Jiangsu Province, China
| | - Qinglei Hang
- Department of Laboratory Medicine, Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, China.
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou, 225001, China.
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Tang W, Yan C, He S, Du M, Cheng B, Deng B, Zhu S, Li Y, Wang Q. Neuron-targeted overexpression of caveolin-1 alleviates diabetes-associated cognitive dysfunction via regulating mitochondrial fission-mitophagy axis. Cell Commun Signal 2023; 21:357. [PMID: 38102662 PMCID: PMC10722701 DOI: 10.1186/s12964-023-01328-5] [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] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 09/19/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) induced diabetes-associated cognitive dysfunction (DACD) that seriously affects the self-management of T2DM patients, is currently one of the most severe T2DM-associated complications, but the mechanistic basis remains unclear. Mitochondria are highly dynamic organelles, whose function refers to a broad spectrum of features such as mitochondrial dynamics, mitophagy and so on. Mitochondrial abnormalities have emerged as key determinants for cognitive function, the relationship between DACD and mitochondria is not well understood. METHODS Here, we explored the underlying mechanism of mitochondrial dysfunction of T2DM mice and HT22 cells treated with high glucose/palmitic acid (HG/Pal) focusing on the mitochondrial fission-mitophagy axis with drug injection, western blotting, Immunofluorescence, and electron microscopy. We further explored the potential role of caveolin-1 (cav-1) in T2DM induced mitochondrial dysfunction and synaptic alteration through viral transduction. RESULTS As previously reported, T2DM condition significantly prompted hippocampal mitochondrial fission, whereas mitophagy was blocked rather than increasing, which was accompanied by dysfunctional mitochondria and impaired neuronal function. By contrast, Mdivi-1 (mitochondrial division inhibitor) and urolithin A (mitophagy activator) ameliorated mitochondrial and neuronal function and thereafter lead to cognitive improvement by inhibiting excessive mitochondrial fission and giving rise to mitophagy, respectively. We have previously shown that cav-1 can significantly improve DACD by inhibiting ferroptosis. Here, we further demonstrated that cav-1 could not only inhibit mitochondrial fission via the interaction with GSK3β to modulate Drp1 pathway, but also rescue mitophagy through interacting with AMPK to activate PINK1/Parkin and ULK1-dependent signlings. CONCLUSIONS Overall, our data for the first time point to a mitochondrial fission-mitophagy axis as a driver of neuronal dysfunction in a phenotype that was exaggerated by T2DM, and the protective role of cav-1 in DACD. Graphic Summary Illustration. In T2DM, excessive mitochondrial fission and impaired mitophagy conspire to an altered mitochondrial morphology and mitochondrial dysfunction, with a consequent neuronal damage, overall suggesting an unbalanced mitochondrial fission-mitophagy axis. Upon cav-1 overexpression, GSK3β and AMPK are phosphorylated respectively to activate Drp1 and mitophagy-related pathways (PINK1 and ULKI), ultimately inhibits mitochondrial fission and enhances mitophagy. In the meantime, the mitochondrial morphology and neuronal function are rescued, indicating the protective role of cav-1 on mitochondrial fission-mitophagy axis. Video Abstract.
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Affiliation(s)
- Wenxin Tang
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Chaoying Yan
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Shuxuan He
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Mengyu Du
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Bo Cheng
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Bin Deng
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Shan Zhu
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Yansong Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China.
| | - Qiang Wang
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China.
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Xia Y, Liu K, Wang F, Xu Z, Wang Y, Zong R, Xu Y, Li P, Deng B, Xu M, Chen G. Self-Assembled Virus-Like Particle Vaccines via Fluorophilic Interactions Enable Infection Mimicry and Immune Protection. Adv Healthc Mater 2023; 12:e2301647. [PMID: 37703498 DOI: 10.1002/adhm.202301647] [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] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 09/10/2023] [Indexed: 09/15/2023]
Abstract
Influenza epidemics persistently threaten global health. Vaccines based on virus-like particles (VLPs), which resemble the native conformation of viruses, have emerged as vaccine candidates. However, the production of VLPs via genetic engineering remains constrained by challenges such as low yields, high costs, and being time consuming. In this study, a novel VLP platform is developed that could mimic infection and confer influenza protection through fluorination-driven self-assembly. The VLPs closely mimick the key steps in viral infection including dendritic cell (DC) attachment and pH-responsive endo-lysosomal escape, which enhances DC maturation and antigen cross-presentation. It is also observed that the VLPs migrate from the injection site to the draining lymph nodes efficiently. Immunization with VLPs triggers both Th1 and Th2 cellular responses, thereby inducing an improved CD8+ T cell response along with strong antigen-specific antibody responses. In several infected mouse models, VLP vaccines ameliorate weight loss, lung virus titers, pulmonary pathologies, and confer full protection against H1N1, H6N2, H9N2, and mixed influenza viruses. Therefore, the results support the potential of VLPs as an effective influenza vaccine with improved immune potency against infection. A methodology to generate VLPs based on fluorophilic interactions, which can be a general approach for development of pathogenic VLPs, is reported.
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Affiliation(s)
- Yinhe Xia
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, P. R. China
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
- Qingdao Hospital (Qingdao Municipal Hospital), University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
| | - Kai Liu
- Qingdao Hospital (Qingdao Municipal Hospital), University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
| | - Fei Wang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Zhou Xu
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, P. R. China
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
- Qingdao Hospital (Qingdao Municipal Hospital), University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
| | - Yuesheng Wang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, P. R. China
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
- Qingdao Hospital (Qingdao Municipal Hospital), University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
| | - Rongling Zong
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, P. R. China
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
- Qingdao Hospital (Qingdao Municipal Hospital), University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
| | - Yemin Xu
- Department of Gastroenterology, Affiliated Hospital, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Ping Li
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
- Qingdao Hospital (Qingdao Municipal Hospital), University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
| | - Bin Deng
- Department of Gastroenterology, Affiliated Hospital, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Maolei Xu
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, Yantai, 264003, P. R. China
| | - Gang Chen
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
- Qingdao Hospital (Qingdao Municipal Hospital), University of Health and Rehabilitation Sciences, Qingdao, 266024, P. R. China
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Zhang Y, Zhang X, Zhang Y, Xu H, Wei Z, Wang X, Li Y, Guo J, Wu F, Fang X, Pang L, Deng B, Yu D. c-Myc inhibits LAPTM5 expression in B-cell lymphomas. Ann Hematol 2023; 102:3499-3513. [PMID: 37713124 DOI: 10.1007/s00277-023-05434-9] [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: 04/27/2023] [Accepted: 08/30/2023] [Indexed: 09/16/2023]
Abstract
Myc is a pivotal protooncogenic transcription factor that contributes to the development of almost all Burkitt's lymphomas and about one-third of diffuse large B-cell lymphomas. How B-cells sustain their uncontrolled proliferation due to high Myc is not yet well defined. Here, we found that Myc trans-represses the expression of murine LAPTM5, a gene coding a lysosome-associated protein, by binding to two E-boxes in the LAPTM5 promoter. While the product of intact mRNA (CDS+3'UTR) of LAPTM5 failed to suppress the growth of B-lymphomas, either the protein coded by coding sequence (CDS) itself or the non-coding 3'-untranslated region (3'UTR) mRNA was able to inhibit the growth of B-lymphomas. Moreover, Myc trans-activated miR-17-3p, which promoted tumor growth. Strikingly, LAPTM5 3'UTR contains 11 miR-17-3p-binding sites through which the LAPTM5 protein synthesis was inhibited. The functional interplay between low LAPTM5 mRNA and high miR-17-3p due to high Myc in B-lymphomas leads to further dampening of tumor-suppressive LAPTM5 protein, which promotes tumor progression. Our results indicate that Myc inhibits LAPTM5 expression in B-lymphoma cells by transcriptional and post-transcriptional modifications.
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Affiliation(s)
- Yanqing Zhang
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Xin Zhang
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
- Department of Pathology, Sir Run Run Shaw Hospital, Institute of Clinical Science, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Zhang
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Han Xu
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Zichen Wei
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Xin Wang
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Yan Li
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Junrong Guo
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Fan Wu
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Xiao Fang
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China
| | - Lei Pang
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Bin Deng
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Duonan Yu
- Institute of Translational Medicine, Yangzhou University Medical College, Yangzhou, China.
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University Medical College, 136 Jiangyang Road, Yangzhou, Jiangsu Province, 225009, China.
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Gao J, Han S, Deng B, Deng Y, Gao X. Research progress of additional pathogenic mutations in chronic neutrophilic leukemia. Ann Hematol 2023:10.1007/s00277-023-05550-6. [PMID: 37993585 DOI: 10.1007/s00277-023-05550-6] [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: 09/28/2023] [Accepted: 11/13/2023] [Indexed: 11/24/2023]
Abstract
Chronic neutrophilic leukemia (CNL) is a rare type of myeloproliferative neoplasm (MPN). Due to its nonspecific clinical symptoms and lack of specific molecular markers, it was previously difficult to distinguish it from other diseases with increased neutrophils. However, the discovery of the CSF3R mutation in CNL 10 years ago and the update of the diagnostic criteria by the World Health Organization (WHO) in 2016 brought CNL into a new era of molecular diagnosis. Next-generation sequencing (NGS) technology has led to the identification of numerous mutant genes in CNL. While CSF3R is commonly recognized as the driver mutation of CNL, other mutations have also been detected in CNL using NGS, including mutations in other signaling pathway genes (CBL, JAK2, NARS, PTPN11) and chromatin modification genes (ASXL1, SETBP1, EZH2), DNA methylation genes (DNMT3A, TET2), myeloid-related transcription factor genes (RUNX1, GATA2), and splicing and RNA metabolism genes (SRSF2, U2AF1). The coexistence of these mutated genes and CSF3R mutations, as well as the different evolutionary sequences of clones, deepens the complexity of CNL molecular biology. The purpose of this review is to summarize the genetic research findings of CNL in the last decade, focusing on the common mutated genes in CNL and their clinical significance, as well as the clonal evolution pattern and sequence of mutation acquisition in CNL, to provide a basis for the appropriate management of CNL patients.
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Affiliation(s)
- Jiapei Gao
- Department of Hematology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Shuai Han
- Yangzhou University Medical College, Yangzhou, Jiangsu Province, China
| | - Bin Deng
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Yifan Deng
- Yangzhou University Medical College, Yangzhou, Jiangsu Province, China
| | - Xiaohui Gao
- Department of Hematology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province, China.
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Chen Z, Lin T, Liu D, Zeng Y, Zhang X, Deng B, Guo D, Shi T, Lu M. Comparison of Short-Term Surgery Outcomes and Clinical Characteristics Between Elderly and Non-Elderly Patients with Middle Third Parasagittal and Parafalcine Meningiomas. Neuropsychiatr Dis Treat 2023; 19:2331-2340. [PMID: 37928167 PMCID: PMC10624188 DOI: 10.2147/ndt.s428341] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 10/24/2023] [Indexed: 11/07/2023] Open
Abstract
Purpose This study aims to compare the short-term surgery outcomes of the resection of meningiomas and clinical characteristics between elderly and non-elderly patients. Patients and Methods This retrospective study included patients who underwent a resection of middle third parasagittal and parafalcine meningiomas between January 2011 and December 2020. All lesions arise from the middle third of the parafalcine or infiltrate superior sagittal sinus (SSS). The clinical characteristics studied included neurological deficit, peritumoral brain edema (PTBE), SSS invasion, tumor size, and symptoms; perioperative complications, and short-term surgery outcomes including neurological deficit, operative blood loss, postoperative hospitalization duration, and WHO classification were compared. Results A total of 43 elderly patients and 63 non-elderly patients were included. Compared with non-elderly patients, elderly patients had larger lesions (P = 0.013) and presented with a larger PTBE (P = 0.019). SSS blockage was identified in 28.57% of elderly patients and 19.57% of non-elderly patients. Compared with non-elderly patients, elderly patients tended to suffer from more aggressive lesions (WHO II/III meningioma 6 vs 3, P = 0.154) and presented with longer postoperative hospital stays (17.25 ± 5.8 vs 13.50 ± 3.8, P = 0.009); conversely, while the non-elderly patients experienced more blood loss (P = 0.022) and had more perioperative reoperations (3 vs 1). No significant difference in neurological deficit was detected between the two groups (P = 0.97). After total tumor resection, patients with neurological deficits in both groups can recover during the follow-up period. Conclusion Among the 106 patients with middle third parasagittal and falx meningiomas in our hospital, elderly patients had larger lesions, presented with more severe PTBE, and had longer postoperative hospital stays than younger patients. Conversely, younger patients had more blood loss and serious complications than elderly patients. Postoperative neurological dysfunction in elderly patients was similar to that in middle-aged and young patients.
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Affiliation(s)
- Zhijie Chen
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Tao Lin
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Da Liu
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Yongqin Zeng
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Xubiao Zhang
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Bin Deng
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Dongliang Guo
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Tao Shi
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
| | - Ming Lu
- Department of Neurosurgery, Guangdong 999 Brain Hospital, Medical College of Jinan University, Guangzhou, Guangdong, 510000, People's Republic of China
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Mao M, Zheng W, Deng B, Wang Y, Zhou D, Shen L, Niku W, Zhang N. Cinnamaldehyde alleviates doxorubicin-induced cardiotoxicity by decreasing oxidative stress and ferroptosis in cardiomyocytes. PLoS One 2023; 18:e0292124. [PMID: 37824478 PMCID: PMC10569550 DOI: 10.1371/journal.pone.0292124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 09/13/2023] [Indexed: 10/14/2023] Open
Abstract
Although doxorubicin (DOX) is an efficient chemotherapeutic drug for human tumors, severe cardiotoxicity restricts its clinical use. Cinnamaldehyde (CA), a bioactive component isolated from Cinnamonum cassia, possesses potent anti-oxidative and anti-apoptotic potentials. The major aim of this study was to evaluate the protective role of CA against DOX-induced cardiotoxicity. To this end, cardiomyocyte injury models were developed using DOX-treated H9c2 cells and DOX-treated rats, respectively. Herein, we found that CA treatment increased cardiomyocyte viability and attenuated DOX-induced cardiomyocyte death in vitro. CA further protected rats against DOX-induced cardiotoxicity, as indicated by elevated creatine kinase (CK) and lactate dehydrogenase (LDH) levels, myocardium injury, and myocardial fibrosis. CA alleviated DOX-induced myocardial oxidative stress by regulating reactive oxygen species (ROS), malondialdehyde (MDA), superoxide dismutase (SOD), and glutathione (GSH) levels. Mechanistically, CA markedly accelerated nuclear translocation of nuclear erythroid factor 2-related factor 2 (Nrf2) and increased heme oxygenase-1 (HO-1) expression. Consequently, CA decreased DOX-induced cardiomyocyte ferroptosis, while Erastin (a ferroptosis agonist) treatment destroyed the effect of CA on increasing cardiomyocyte viability. Taken together, the current results demonstrate that CA alleviates DOX-induced cardiotoxicity, providing a promising opportunity to increase the clinical application of DOX.
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Affiliation(s)
- Meijiao Mao
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
| | - Wang Zheng
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
| | - Bin Deng
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
| | - Youhua Wang
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
| | - Duan Zhou
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
| | - Lin Shen
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
| | - Wankang Niku
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
| | - Na Zhang
- Department of Cardiology, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, China
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Zhao P, Zhang J, Kuai J, Li L, Li X, Feng N, Du H, Li C, Wang Q, Deng B. TAT-PEP Alleviated Cognitive Impairment by Alleviating Neuronal Mitochondria Damage and Apoptosis After Cerebral Ischemic Reperfusion Injury. Mol Neurobiol 2023; 60:5655-5671. [PMID: 37335462 PMCID: PMC10471703 DOI: 10.1007/s12035-023-03404-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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 05/27/2023] [Indexed: 06/21/2023]
Abstract
Paired immunoglobulin-like receptor B (PirB) was identified as a myelin-associated inhibitory protein (MAIP) receptor that plays a critical role in axonal regeneration, synaptic plasticity and neuronal survival after stroke. In our previous study, a transactivator of transcription-PirB extracellular peptide (TAT-PEP) was generated that can block the interactions between MAIs and PirB. We found that TAT-PEP treatment improved axonal regeneration, CST projection and long-term neurobehavioural recovery after stroke through its effects on PirB-mediated downstream signalling. However, the effect of TAT-PEP on the recovery of cognitive function and the survival of neurons also needs to be investigated. In this study, we investigated whether pirb RNAi could alleviate neuronal injury by inhibiting the expression of PirB following exposure to oxygen-glucose deprivation (OGD) in vitro. In addition, TAT-PEP treatment attenuated the volume of the brain infarct and promoted the recovery of neurobehavioural function and cognitive function. This study also found that TAT-PEP exerts neuroprotection by reducing neuronal degeneration and apoptosis after ischemia-reperfusion injury. In addition, TAT-PEP improved neuron survival and reduced lactate dehydrogenase (LDH) release in vitro. Results also showed that TAT-PEP reduced malondialdehyde (MDA) levels, increased superoxide dismutase (SOD) activity and reduced reactive oxygen species (ROS) accumulation in OGD-injured neurons. The possible mechanism was that TAT-PEP could contribute to the damage of neuronal mitochondria and affect the expression of cleaved caspase 3, Bax and Bcl-2. Our results suggest that PirB overexpression in neurons after ischaemic-reperfusion injury induces neuronal mitochondrial damage, oxidative stress and apoptosis. This study also suggests that TAT-PEP may be a potent neuroprotectant with therapeutic potential for stroke by reducing neuronal oxidative stress, mitochondrial damage, degeneration and apoptosis in ischemic stroke.
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Affiliation(s)
- Pin Zhao
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
- Department of Anesthesiology, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Xi'an, Shaanxi, 710018, People's Republic of China
| | - Jiapo Zhang
- Department of Emergency Medicine, School of Medicine, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen, 361102, Fujian, China
| | - JianKe Kuai
- Department of Anesthesiology, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, Xi'an, Shaanxi, 710018, People's Republic of China
| | - Liya Li
- Department of Anesthesiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, 116027, Liaoning, China
| | - Xuying Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Namin Feng
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Hailiang Du
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Chen Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Qiang Wang
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
| | - Bin Deng
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
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Zhai Q, Zhang Y, Ye M, Zhu S, Sun J, Wang Y, Deng B, Ma D, Wang Q. Reducing complement activation during sleep deprivation yields cognitive improvement by dexmedetomidine. Br J Anaesth 2023; 131:542-555. [PMID: 37517957 DOI: 10.1016/j.bja.2023.04.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 10/07/2022] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 08/01/2023] Open
Abstract
BACKGROUND Sleep loss and its associated conditions (e.g. cognitive deficits) represent a large societal burden, but the underlying mechanisms of these cognitive deficits remain unknown. This study assessed the effect of dexmedetomidine (DEX) on cognitive decline induced by sleep loss. METHODS C57BL/6 mice were subjected to chronic sleep restriction (CSR) for 20 h (5 pm-1 pm the next day) daily for 7 days, and cognitive tests were subsequently carried out. The neuromolecular and cellular changes that occurred in the presence and absence of DEX (100 μg kg-1, i.v., at 1 pm and 3 pm every day) were also investigated. RESULTS CSR mice displayed a decline in learning and memory by 12% (P<0.05) in the Y-maze and by 18% (P<0.01) in the novel object recognition test; these changes were associated with increases in microglial activation, CD68+ microglial phagosome counts, astrocyte-derived complement C3 secretion, and microglial C3a receptor expression (all P<0.05). Synapse elimination, as indicated by a 66% decrease in synaptophysin expression (P=0.0004) and a 45% decrease in postsynaptic density protein-95 expression (P=0.0003), was associated with the occurrence of cognitive deficits. DEX activated astrocytic α2A adrenoceptors and inhibited astrocytic complement C3 release to attenuate synapse elimination through microglial phagocytosis. DEX restored synaptic connections and reversed cognitive deficits induced by CSR. CONCLUSIONS The results demonstrate that complement pathway activation associated with synapse elimination contributes to sleep loss-related cognitive deficits and that dexmedetomidine protects against sleep deprivation-induced complement activation. Dexmedetomidine holds potential for preventing cognitive deficits associated with sleep loss, which warrants further study.
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Affiliation(s)
- Qian Zhai
- Department of Anaesthesiology and Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ying Zhang
- Department of Anaesthesiology and Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Mao Ye
- Department of Anaesthesiology and Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shan Zhu
- Department of Anaesthesiology and Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jianyu Sun
- Department of Anaesthesiology and Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yue Wang
- Department of Anaesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Bin Deng
- Department of Anaesthesiology and Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Daqing Ma
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, UK; Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China.
| | - Qiang Wang
- Department of Anaesthesiology and Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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Deng B, Zhu Y, Wang X, Zhu J, Liu M, Liu M, He Y, Zhu C, Zhang C, Meng H. An Ultrafast, Energy-Efficient Electrochromic and Thermochromic Device for Smart Windows. Adv Mater 2023; 35:e2302685. [PMID: 37358298 DOI: 10.1002/adma.202302685] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/29/2023] [Indexed: 06/27/2023]
Abstract
Smart windows nowadays undertake the esteemed obligation of reducing energy consumption as well as upgrading living experience. This project aims to devise a smart window that responds to both electricity and heat, with the intention of achieving energy efficiency, privacy preservation, and enhanced decorative attributes. Through the implementation of a novel electrochromic material design, coupled with the optimization of electrochromic devices (ECDs), a high-performance ECD is obtained, demonstrating coloring/bleaching time of 0.53/0.16 s, a transmittance modulation of 78% (from 99% to 21%), and superior performance in six dimensions. Furthermore, temperature-responsive units and an ionic liquid are incorporated into the electrolyte system to create a novel thermochromic gel electrolyte with transmittance modulation from 80% to 0%, and excellent thermal insulation (6.4 °C reduction). Ultimately, an electro- and thermochromic device is developed, featuring an ultrafast color-switching speed of 0.82/0.60 s and multiple working modes. Overall, this work showcases a prospective design pathway for the development of next-generation ultrafast-switching, and energy-efficient intelligent windows.
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Affiliation(s)
- Bin Deng
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Yanan Zhu
- Faculty of Materials Science, Shenzhen MSU-BIT University, Shenzhen, 518172, China
| | - Xiaowei Wang
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Jinlin Zhu
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Manyu Liu
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Mingqiang Liu
- Electrochemical Innovation Lab, University College London, London, WC1E7JE, UK
| | - Yaowu He
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Caizhen Zhu
- Institute of Low-Dimensional Materials Genome Initiative, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Chaohong Zhang
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Hong Meng
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
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Vanagas L, Muñoz D, Cristaldi C, Ganuza A, Nájera R, Bonardi MC, Turowski VR, Guzman F, Deng B, Kim K, Sullivan WJ, Angel SO. Histone variant H2B.Z acetylation is necessary for maintenance of Toxoplasma gondii biological fitness. Biochim Biophys Acta Gene Regul Mech 2023; 1866:194943. [PMID: 37217032 PMCID: PMC10524646 DOI: 10.1016/j.bbagrm.2023.194943] [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] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 05/24/2023]
Abstract
Through regulation of DNA packaging, histone proteins are fundamental to a wide array of biological processes. A variety of post-translational modifications (PTMs), including acetylation, constitute a proposed histone code that is interpreted by "reader" proteins to modulate chromatin structure. Canonical histones can be replaced with variant versions that add an additional layer of regulatory complexity. The protozoan parasite Toxoplasma gondii is unique among eukaryotes in possessing a novel variant of H2B designated H2B.Z. The combination of PTMs and the use of histone variants are important for gene regulation in T. gondii, offering new targets for drug development. In this work, T. gondii parasites were generated in which the 5 N-terminal acetylatable lysines in H2B.Z were mutated to either alanine (c-Myc-A) or arginine (c-Myc-R). The c-Myc-A mutant displayed no phenotype over than a mild defect in its ability to kill mice. The c-Myc-R mutant presented an impaired ability to grow and an increase in differentiation to latent bradyzoites. The c-Myc-R mutant was also more sensitive to DNA damage, displayed no virulence in mice, and provided protective immunity against future infection. While nucleosome composition was unaltered, key genes were abnormally expressed during in vitro bradyzoite differentiation. Our results show that regulation of the N-terminal positive charge patch of H2B.Z is important for these processes. We also show that acetylated N-terminal H2B.Z interacts with some unique proteins compared to its unacetylated counterpart; the acetylated peptide pulled down proteins associated with chromosome maintenance/segregation and cell cycle, suggesting a link between H2B.Z acetylation status and mitosis.
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Affiliation(s)
- Laura Vanagas
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA, Chascomús, Prov. Buenos Aires, Argentina.
| | - Daniela Muñoz
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA, Chascomús, Prov. Buenos Aires, Argentina
| | - Constanza Cristaldi
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA, Chascomús, Prov. Buenos Aires, Argentina
| | - Agustina Ganuza
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA, Chascomús, Prov. Buenos Aires, Argentina
| | - Rosario Nájera
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA, Chascomús, Prov. Buenos Aires, Argentina
| | - Mabel C Bonardi
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA, Chascomús, Prov. Buenos Aires, Argentina
| | - Valeria R Turowski
- Laboratorio de Bioquímica y Biología Celular de Parásitos, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA Chascomús, Prov. Buenos Aires, Argentina
| | - Fanny Guzman
- Núcleo de Biotecnología Curauma, Pontificia Universidad Católica de Valparaiso, Av. Universidad 330 Curauma, Valparaiso, Chile
| | - Bin Deng
- Department of Biology and VBRN, University of Vermont, VT, USA
| | - Kami Kim
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - William J Sullivan
- Department of Pharmacology and Toxicology, Indiana School of Medicine, Indianapolis, IN 46202, USA
| | - Sergio O Angel
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, B7130IIWA, Chascomús, Prov. Buenos Aires, Argentina.
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Lam JN, Nehira J, Phung O, Deng B. Systematic Review: Safety and Efficacy of mRNA COVID-19 Vaccines in Pregnant Women. J Pharm Pract 2023:8971900231196065. [PMID: 37605626 DOI: 10.1177/08971900231196065] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2023]
Abstract
Since pregnant women were excluded from clinical trials for vaccines against SARS-CoV-2, the novel coronavirus disease 2019 (COVID-19), there is limited data on the safety and efficacy of vaccines in this population. This systematic review explored the safety and efficacy of mRNA vaccines in pregnant women. A literature search was performed using Ovid databases through November 2021 for all studies evaluated efficacy and safety of mRNA COVID-19 vaccines in pregnant women. A total of five studies including 42,782 women were included in the systematic review. Humoral immunity to COVID-19 was detected in pregnant women who received the vaccine and no differences found in spike-specific T-cell responses. Incidence of high-grade chronic villitis is higher in the unvaccinated group with adjusted odds ratio of .31 (.1-.97), P < .05. Vaccination in pregnant women resulted in 12.6% spontaneous abortions (SAB) with 92.3% occurring in the first trimester, .1% stillbirth (>20 weeks gestation), 9.4% preterm birth (<37 weeks gestation), and 2.2% congenital abnormalities. The mRNA COVID-19 vaccines are immunogenic in pregnant women and no obvious safety concerns observed. There is no increased incidence of adverse reactions in pregnant women. Our finding supports that pregnant women should receive the vaccination at their earliest convenience regardless of trimester.
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Affiliation(s)
| | | | - Olivia Phung
- Department of Clinical and Administrative Sciences, California Northstate University College of Pharmacy, Elk Grove, CA, USA
| | - Bin Deng
- Department of Pharmacy Practice, School of Pharmacy, West Coast University, Los Angeles, CA, USA
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Deng B, Gu H, Zhu H, Chang K, Hoebel KV, Patel JB, Kalpathy-Cramer J, Carp SA. FDU-Net: Deep Learning-Based Three-Dimensional Diffuse Optical Image Reconstruction. IEEE Trans Med Imaging 2023; 42:2439-2450. [PMID: 37028063 PMCID: PMC10446911 DOI: 10.1109/tmi.2023.3252576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Near-infrared diffuse optical tomography (DOT) is a promising functional modality for breast cancer imaging; however, the clinical translation of DOT is hampered by technical limitations. Specifically, conventional finite element method (FEM)-based optical image reconstruction approaches are time-consuming and ineffective in recovering full lesion contrast. To address this, we developed a deep learning-based reconstruction model (FDU-Net) comprised of a Fully connected subnet, followed by a convolutional encoder-Decoder subnet, and a U-Net for fast, end-to-end 3D DOT image reconstruction. The FDU-Net was trained on digital phantoms that include randomly located singular spherical inclusions of various sizes and contrasts. Reconstruction performance was evaluated in 400 simulated cases with realistic noise profiles for the FDU-Net and conventional FEM approaches. Our results show that the overall quality of images reconstructed by FDU-Net is significantly improved compared to FEM-based methods and a previously proposed deep-learning network. Importantly, once trained, FDU-Net demonstrates substantially better capability to recover true inclusion contrast and location without using any inclusion information during reconstruction. The model was also generalizable to multi-focal and irregularly shaped inclusions unseen during training. Finally, FDU-Net, trained on simulated data, could successfully reconstruct a breast tumor from a real patient measurement. Overall, our deep learning-based approach demonstrates marked superiority over the conventional DOT image reconstruction methods while also offering over four orders of magnitude acceleration in computational time. Once adapted to the clinical breast imaging workflow, FDU-Net has the potential to provide real-time accurate lesion characterization by DOT to assist the clinical diagnosis and management of breast cancer.
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Deng B, Fan Y, Wang J, Yang S. Auditory perception architecture with spiking neural network and implementation on FPGA. Neural Netw 2023; 165:31-42. [PMID: 37276809 DOI: 10.1016/j.neunet.2023.05.026] [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: 06/14/2022] [Revised: 05/07/2023] [Accepted: 05/16/2023] [Indexed: 06/07/2023]
Abstract
Spike-based perception brings up a new research idea in the field of neuromorphic engineering. A high-performance biologically inspired flexible spiking neural network (SNN) architecture provides a novel method for the exploration of perception mechanisms and the development of neuromorphic computing systems . In this article, we present a biological-inspired spike-based SNN perception digital system that can realize robust perception. The system employs a fully paralleled pipeline scheme to improve the performance and accelerate the processing of feature extraction. An auditory perception system prototype is realized on ten Intel Cyclone field-programmable gate arrays, which can reach the maximum frequency of 107.28 MHz and the maximum throughput of 5364 Mbps. Our design also achieves the power of 5. 148 W/system and energy efficiency of 845.85 μJ. Our auditory perception implementation is also proved to have superior robustness compared with other SNN systems. We use TIMIT digit speech in noise in accuracy testing. Result shows that it achieves up to 85.75% speech recognition accuracy under obvious noise conditions (signal-to-noise ratio of 20 dB) and maintain small accuracy attenuation with the decline of the signal-to-noise ratio. The overall performance of our proposed system outperforms the state-of-the-art perception system on SNN.
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Affiliation(s)
- Bin Deng
- School of Electrical and Information Engineering, Tianjin University, China
| | - Yanrong Fan
- School of Electrical and Information Engineering, Tianjin University, China
| | - Jiang Wang
- School of Electrical and Information Engineering, Tianjin University, China
| | - Shuangming Yang
- School of Electrical and Information Engineering, Tianjin University, China.
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Zhang C, Li Q, Xu Q, Dong W, Li C, Deng B, Gong J, Zhang LZ, Jin J. Pulmonary interleukin 1 beta/serum amyloid A3 axis promotes lung metastasis of hepatocellular carcinoma by facilitating the pre-metastatic niche formation. J Exp Clin Cancer Res 2023; 42:166. [PMID: 37443052 DOI: 10.1186/s13046-023-02748-4] [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: 03/16/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND Increasing evidence suggests a vital role of the pre-metastatic niche in the formation of distant metastasis of many cancers. However, how the pre-metastatic niche is formed and promotes pulmonary metastasis of hepatocellular carcinoma (HCC) remains unknown. METHODS Orthotopic liver tumor models and RNA-Seq were used to identify dysregulated genes in the pre-metastatic lung. Il1b knockout (Il1b-/-) mice and lentivirus-mediated gene knockdown/overexpression were utilized to demonstrate the role of interleukin 1 beta (IL-1β)/serum amyloid A3 (SAA3) in the pre-metastatic niche formation and pulmonary metastasis. The potential molecular mechanisms were investigated by RNA-Seq, real-time quantitative PCR (qPCR), western blotting, immunohistochemistry (IHC), flow cytometry, luciferase reporter assay, double immunofluorescent staining and H&E staining. RESULTS Accumulation of myeloid cells and upregulation of IL-1β were observed in the pre-metastatic lung of orthotopic liver tumor models. Myeloid cells accumulation and pulmonary metastasis were suppressed in Il1b-/- mice and Il1r1-silencing mice. Mechanistically, SAA3 and matrix metallopeptidase 9 (MMP9) were identified as potential downstream targets of IL-1β. Overexpression of SAA3 in the lungs of Il1b-/- mice restored myeloid cells accumulation and pulmonary metastasis of the orthotopic HCC xenografts. Moreover, alveolar macrophages-derived IL-1β dramatically enhanced SAA3 expression in alveolar epithelial cells in an NF-κB dependent manner and increased MMP9 levels in an autocrine manner. Furthermore, SAA3 recruited myeloid cells to the lung without affecting the expression of MMP9 in myeloid cells. CONCLUSIONS Our study suggests a key role of pulmonary IL-1β and SAA3 in creating a permissive lung pre-metastatic niche by enhancing MMP9 expression and recruiting myeloid cells, respectively, thus promoting pulmonary metastasis of HCC.
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Affiliation(s)
- Chong Zhang
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Guangxi Health Commission Key Laboratory of Basic Research in Sphingolipid Metabolism Related Diseases, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Laboratory of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- China-USA Lipids in Health and Disease Research Center, Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Qing Li
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Guangxi Health Commission Key Laboratory of Basic Research in Sphingolipid Metabolism Related Diseases, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Laboratory of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- China-USA Lipids in Health and Disease Research Center, Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Qi Xu
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Wei Dong
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Chunmei Li
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Guangxi Health Commission Key Laboratory of Basic Research in Sphingolipid Metabolism Related Diseases, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Laboratory of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- China-USA Lipids in Health and Disease Research Center, Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Bin Deng
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Guangxi Health Commission Key Laboratory of Basic Research in Sphingolipid Metabolism Related Diseases, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- Laboratory of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China
- China-USA Lipids in Health and Disease Research Center, Guilin Medical University, Guilin, 541001, Guangxi, China
| | - Jiao Gong
- Department of Laboratory Medicine, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
| | - Li-Zhen Zhang
- Department of Urology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong, China.
| | - Junfei Jin
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China.
- Guangxi Health Commission Key Laboratory of Basic Research in Sphingolipid Metabolism Related Diseases, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China.
- Laboratory of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China.
- China-USA Lipids in Health and Disease Research Center, Guilin Medical University, Guilin, 541001, Guangxi, China.
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Li J, Zhang H, Deng B, Wang X, Liang P, Xu S, Jing Z, Xiao Z, Sun L, Gao C, Wang J, Sun X. Dexmedetomidine Improves Anxiety-like Behaviors in Sleep-Deprived Mice by Inhibiting the p38/MSK1/NFκB Pathway and Reducing Inflammation and Oxidative Stress. Brain Sci 2023; 13:1058. [PMID: 37508990 PMCID: PMC10377202 DOI: 10.3390/brainsci13071058] [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: 06/06/2023] [Revised: 06/26/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
(1) Background: Sleep deprivation (SD) triggers a range of neuroinflammatory responses. Dexmedetomidine can improve sleep deprivation-induced anxiety by reducing neuroinflammatory response but the mechanism is unclear; (2) Methods: The sleep deprivation model was established by using an interference rod device. An open field test and an elevated plus maze test were used to detect the emotional behavior of mice. Mouse cortical tissues were subjected to RNA sequence (RNA-seq) analysis. Western blotting and immunofluorescence were used to detect the expression of p38/p-p38, MSK1/p-MSK1, and NFκBp65/p- NFκBp65. Inflammatory cytokines were detected using enzyme-linked immunosorbent assay (ELISA); (3) Results: SD triggered anxiety-like behaviors in mice and was closely associated with inflammatory responses and the MAPK pathway (as demonstrated by transcriptome analysis). SD led to increased expression levels of p-p38, p-MSK1, and p-NFκB. P38 inhibitor SB203580 was used to confirm the important role of the p38/MSK1/NFκB pathway in SD-induced neuroinflammation. Dexmedetomidine (Dex) effectively improves emotional behavior in sleep-deprived mice by attenuating SD-induced inflammatory responses and oxidative stress in the cerebral cortex, mainly by inhibiting the activation of the p38/MSK1/NFκB pathway; (4) Conclusions: Dex inhibits the activation of the p38/MSK1/NFκB pathway, thus attenuating SD-induced inflammatory responses and oxidative stress in the cerebral cortex of mice.
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Affiliation(s)
- Jiangjing Li
- Department of Anesthesiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an 710038, China
| | - Heming Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an 710038, China
| | - Bin Deng
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710065, China
| | - Xin Wang
- Department of Otolaryngology Head and Neck Surgery, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - Peng Liang
- Department of Rehabilitative Physioltherapy, The Second Affiliated Hospital of Air Force Medical University, Xi'an 710038, China
| | - Shenglong Xu
- Department of Radiation Medical Protection, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Military Preventive Medicine, The Fourth Military Medical University, Xi'an 710068, China
| | - Ziwei Jing
- Department of Anesthesiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an 710038, China
| | - Zhibin Xiao
- Department of Anesthesiology, The 986th Air Force Hospital, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, China
| | - Li Sun
- Department of Anesthesiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an 710038, China
| | - Changjun Gao
- Department of Anesthesiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an 710038, China
| | - Jin Wang
- Department of Radiation Medical Protection, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Military Preventive Medicine, The Fourth Military Medical University, Xi'an 710068, China
| | - Xude Sun
- Department of Anesthesiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an 710038, China
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Jiang X, Deng B, Gao X, Zhang Y, Li G, Li G, She Q, Ding Y. Efficacy analysis of empirical bismuth quadruple therapy, high-dose dual therapy, and resistance gene-based triple therapy as a first-line Helicobacter pylori eradication regimen - An open-label, randomized trial. Open Med (Wars) 2023; 18:20230722. [PMID: 37465346 PMCID: PMC10350889 DOI: 10.1515/med-2023-0722] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 04/23/2023] [Accepted: 05/12/2023] [Indexed: 07/20/2023] Open
Abstract
This research aimed to evaluate the eradication efficacy, safety, and gastrointestinal symptom relief rates of empirical bismuth quadruple therapy, high-dose dual therapy, and resistance gene-based triple therapy in primary eradication patients in Yangzhou, China. It also investigated the possible factors influencing the success of different Helicobacter pylori eradication regimens. A single-center, prospective, open-label, randomized controlled study was performed from December 2020 and October 2021, in which 255 patients with H. pylori infection were assigned in a 1:1:1 ratio to the three different groups. Our results showed that high-dose dual therapy (91.0%, 71/78) and resistance gene-based triple therapy (94.9%, 75/79) achieved eradication rates and compliance equivalent to those of empirical bismuth quadruple therapy (85.3%, 64/75) in the per-protocol analysis, while high-dose dual therapy had lower rates of adverse events (11.5%, 9/78, P < 0.05), fewer side effects, and greater safety. Most patients' gastrointestinal discomfort symptoms improved after eradication of H. pylori. Poor compliance (P < 0.05) and antibiotic resistance (P < 0.05) were risk factors for the efficacy of H. pylori eradication. Therefore, the appropriate regimen can be individualized for eradication therapy in clinical practice according to the patient's resistance and tolerance to the drug.
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Affiliation(s)
- Xin Jiang
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Jiangsu, China
| | - Bin Deng
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Jiangsu, China
| | - Xuefeng Gao
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Jiangsu, China
| | - Yun Zhang
- Department of Emergency Medicine, Suqian Hospital of Nanjing Drum Tower Hospital Group, Suqian, China
| | - Guangyao Li
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Jiangsu, China
| | - Guiqing Li
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Jiangsu, China
| | - Qiang She
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Jiangsu, China
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Yanbing Ding
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Jiangsu, China
- Institute of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
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Wu MM, Perdue K, Chan ST, Stephens KA, Deng B, Franceschini MA, Carp SA. Erratum: Complete head cerebral sensitivity mapping for diffuse correlation spectroscopy using subject-specific magnetic resonance imaging models: errata. Biomed Opt Express 2023; 14:3343. [PMID: 37497488 PMCID: PMC10368028 DOI: 10.1364/boe.497495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Indexed: 07/28/2023]
Abstract
[This corrects the article on p. 1131 in vol. 13, PMID: 35414976.].
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Affiliation(s)
- Melissa M. Wu
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, USA
| | | | - Suk-Tak Chan
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, USA
| | - Kimberly A. Stephens
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, USA
| | - Bin Deng
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, USA
| | | | - Stefan A. Carp
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, USA
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Yang X, Wang G, Liu W, Zhang J, Deng B, Li X, Wang L. Key genes and potential drugs in age-related hearing loss: transcriptome analysis of cochlear hair cells in old mice. Cell Mol Biol (Noisy-le-grand) 2023; 69:67-74. [PMID: 37605587 DOI: 10.14715/cmb/2023.69.6.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Indexed: 08/23/2023]
Abstract
This study aimed to dig new molecular mechanisms and medications for age-related hearing loss (ARHL or presbycusis) by extracting common results of publicly available datasets. Based on five datasets (GSE153882, GSE121856, GSE98070, GSE45026, and GSE98071) in studies of cochlear hair cells, we explored the interrelationships among presbycusis-related genes, including gene interactions, enrichment analysis, miRNA-mRNA matching pairs, and potential new drugs. Together, there were 25 common increased mRNAs. A total of 183 drugs can simultaneously target 11 of these mRNAs. In the interaction network, hub genes included: Cbln1, Prl, Mpp6 and Gh. Meanwhile, there were 74 common decreased mRNAs. The hub genes include Cdkn1a, Egr1, and Ctgf. After de-duplication, the 25 common increased mRNAs had 946 matched miRNAs, with 34 decreased ones; and the 74 decreased mRNAs had 1164 matched miRNAs, with 26 increased ones. Between the inhibitors of increased mRNAs and enhancers of decreased mRNAs, there were 26 common drugs. Besides, we discovered six key genes that may play a crucial role in the onset of presbycusis. In conclusion, by jointly analyzing multiple datasets, we found 25 common increased mRNAs (e.g., Cbln1, Prl, Mpp6 and Gh) and 74 common decreased mRNAs (Cdkn1a, Egr1, and Ctgf), as well as 34 potential therapeutic miRNAs and 26 pathogenic miRNAs, and three candidate drugs (calcitriol, diclofenac, and diethylstilbestrol). They may provide new targets and strategies for mechanistic and therapeutic studies in ARHL.
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Affiliation(s)
- Xiaoran Yang
- Department of otolaryngology head and neck surgery, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750002, Ningxia Hui Autonomous Region, China.
| | - Guihua Wang
- Department of otolaryngology head and neck surgery, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750002, Ningxia Hui Autonomous Region, China.
| | - Weimin Liu
- Department of otolaryngology head and neck surgery, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750002, Ningxia Hui Autonomous Region, China.
| | - Jianmin Zhang
- Department of otolaryngology head and neck surgery, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750002, Ningxia Hui Autonomous Region, China.
| | - Bin Deng
- Department of otolaryngology head and neck surgery, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750002, Ningxia Hui Autonomous Region, China.
| | - Xuzhao Li
- Department of general surgery, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Hui Autonomous Region, China.
| | - Li Wang
- Department of otolaryngology head and neck surgery, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750002, Ningxia Hui Autonomous Region, China.
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Fan B, Gu J, Deng B, Guo W, Zhang S, Li L, Li B. Positively Charged-Amylose-Entangled Au-Nanoparticles Acting as Protein Carriers and Potential Adjuvants to SARS-CoV-2 Subunit Vaccines. ACS Appl Mater Interfaces 2023. [PMID: 37330942 DOI: 10.1021/acsami.3c05295] [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] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
The COVID-19 pandemic continues to spread worldwide. To protect and control the spread of SARS-CoV-2, varieties of subunit vaccines based on spike (S) proteins have been approved for human applications. Here, we report a new subunit vaccine design strategy that functions as both an antigen carrier and an adjuvant in immunization to elicit high-level immune responses. The complex of 2-hydroxypropyl-trimethylammonium chloride chitosan and amylose entangles Au nanoparticles (HTCC/amylose/AuNPs) forming 40 nm nanocarriers with a positive charge. The obtained positively charged nanoparticles reveal many merits, including the larger S protein loading capacity in PBS buffer, higher cellular uptake ability, and lower cell cytotoxicity, supporting their potential as safe vaccine nanocarriers. Two functionalized nanoparticle subunit vaccines are prepared via loading full-length S proteins derived from SARS-CoV-2 variants. In mice, both prepared vaccines elicit high specific IgG antibodies, neutralize antibodies, and immunoglobulin IgG1 and IgG2a. The prepared vaccines also elicit robust T- and B-cell immune responses and increase CD19+ B cells, CD11C+ dendritic cells, and CD11B+ macrophages at the alveoli and bronchi of the immunized mice. Furthermore, the results of skin safety tests and histological observation of organs indicated in vivo safety of HTCC/amylose/AuNP-based vaccines. Summarily, our prepared HTCC/amylose/AuNP have significant potential as general vaccine carriers for the delivery of different antigens with potent immune stimulation.
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Affiliation(s)
- Baochao Fan
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212000, China
- Jiangsu Coinnovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu 225000, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, Taizhou 225300, China
| | - Jun Gu
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212000, China
| | - Bin Deng
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- College of Pharmacy, China Pharmaceutical University, Nanjing 210000, China
| | - Weilu Guo
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- School of Pharmaceutical, Nanjing Tech University, Nanjing 210000, China
| | - Shuaifeng Zhang
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212000, China
| | - Li Li
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212000, China
- Jiangsu Coinnovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu 225000, China
| | - Bin Li
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology Ministry of Agriculture, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212000, China
- Jiangsu Coinnovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu 225000, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, Taizhou 225300, China
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Wang J, Deng B, Gao T, Wang J, Tan H. Spike-frequency adaptation inhibits the pairwise spike correlation. Front Neurosci 2023; 17:1193930. [PMID: 37378017 PMCID: PMC10291049 DOI: 10.3389/fnins.2023.1193930] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 05/16/2023] [Indexed: 06/29/2023] Open
Abstract
Introduction The spike train output correlation with pairwise neurons determines the neural population coding, which depends on the average firing rate of individual neurons. Spike frequency adaptation (SFA), which serves as an essential cellular encoding strategy, modulates the firing rates of individual neurons. However, the mechanism by which the SFA modulates the output correlation of the spike trains remains unclear. Methods We introduce a pairwise neuron model that receives correlated inputs to generate spike trains, and the output correlation is qualified using Pearson correlation coefficient. The SFA is modeled using adaptation currents to examine its effect on the output correlation. Moreover, we use dynamic thresholds to explore the effect of SFA on output correlation. Furthermore, a simple phenomenological neuron model with a threshold-linear transfer function is utilized to confirm the effect of SFA on decreasing the output correlation. Results The results show that the adaptation currents decreased the output correlation by reducing the firing rate of a single neuron. At the onset of a correlated input, a transient process shows a decrease in interspike intervals (ISIs), resulting in a temporary increase in the correlation. When the adaptation current is sufficiently activated, the correlation reached a steady state, and the ISIs are maintained at higher values. The enhanced adaptation current achieved by increasing the adaptation conductance further reduces the pairwise correlation. While the time and slide windows influence the correlation, they make no difference in the effect of SFA on decreasing the output correlation. Moreover, SFA simulated by dynamic thresholds also decreases the output correlation. Furthermore, the simple phenomenological neuron model with a threshold-linear transfer function confirms the effect of SFA on decreasing the output correlation. The strength of the signal input and the slope of the linear component of the transfer function, the latter of which can be decreased by SFA, could together modulate the strength of the output correlation. Stronger SFA will decrease the slope and hence decrease the output correlation. Conclusions The results reveal that the SFA reduces the output correlation with pairwise neurons in the network by reducing the firing rate of individual neurons. This study provides a link between cellular non-linear mechanisms and network coding strategies.
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Affiliation(s)
- Jixuan Wang
- School of Electrical and Information Engineering, Tianjin University, Tianjin, China
| | - Bin Deng
- School of Electrical and Information Engineering, Tianjin University, Tianjin, China
| | - Tianshi Gao
- School of Electrical and Information Engineering, Tianjin University, Tianjin, China
| | - Jiang Wang
- School of Electrical and Information Engineering, Tianjin University, Tianjin, China
| | - Hong Tan
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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Wei L, Zhao X, Gu X, Peng J, Song W, Deng B, Cao Y, Hu S. Genome-Wide Identification and Expression Analysis of Dendrocalamus farinosus CCoAOMT Gene Family and the Role of DfCCoAOMT14 Involved in Lignin Synthesis. Int J Mol Sci 2023; 24:8965. [PMID: 37240316 PMCID: PMC10219071 DOI: 10.3390/ijms24108965] [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] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/07/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
As the main component of plant cell walls, lignin can not only provide mechanical strength and physical defense for plants, but can also be an important indicator affecting the properties and quality of wood and bamboo. Dendrocalamus farinosus is an important economic bamboo species for both shoots and timber in southwest China, with the advantages of fast growth, high yield and slender fiber. Caffeoyl-coenzyme A-O-methyltransferase (CCoAOMT) is a key rate-limiting enzyme in the lignin biosynthesis pathway, but little is known about it in D. farinosus. Here, a total of 17 DfCCoAOMT genes were identified based on the D. farinosus whole genome. DfCCoAOMT1/14/15/16 were homologs of AtCCoAOMT1. DfCCoAOMT6/9/14/15/16 were highly expressed in stems of D. farinosus; this is consistent with the trend of lignin accumulation during bamboo shoot elongation, especially DfCCoAOMT14. The analysis of promoter cis-acting elements suggested that DfCCoAOMTs might be important for photosynthesis, ABA/MeJA responses, drought stress and lignin synthesis. We then confirmed that the expression levels of DfCCoAOMT2/5/6/8/9/14/15 were regulated by ABA/MeJA signaling. In addition, overexpression of DfCCoAOMT14 in transgenic plants significantly increased the lignin content, xylem thickness and drought resistance of plants. Our findings revealed that DfCCoAOMT14 can be a candidate gene that is involved in the drought response and lignin synthesis pathway in plants, which could contribute to the genetic improvement of many important traits in D. farinosus and other species.
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Affiliation(s)
- Lixian Wei
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
| | - Xin Zhao
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
| | - Xiaoyan Gu
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
| | - Jiahui Peng
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
| | - Wenjuan Song
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
| | - Bin Deng
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
| | - Ying Cao
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
| | - Shanglian Hu
- Lab of Plant Cell Engineering, Southwest University of Science and Technology, Mianyang 621010, China
- Engineering Research Center for Biomass Resource Utilization and Modification of Sichuan Province, Mianyang 621010, China
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Fenn NE, Shoair OA, Luke JD, Willson M, Aranda J, Deng B. Pharmacy faculty experiences and perceptions of academic dishonesty. Curr Pharm Teach Learn 2023:S1877-1297(23)00103-X. [PMID: 37198091 DOI: 10.1016/j.cptl.2023.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 03/23/2023] [Accepted: 05/09/2023] [Indexed: 05/19/2023]
Abstract
INTRODUCTION Academic dishonesty (AD) continues to be an area of concern in pharmacy education. While studies have been conducted evaluating various forms and interventions to address AD, few have looked at faculty experiences and perceptions of AD in doctor of pharmacy (PharmD) programs in the United States. METHODS A 52-item survey was distributed electronically to pharmacy faculty at 129 colleges of pharmacy (COP). Faculty perceptions and experiences related to AD were recorded using a six-point Likert-type scale. Data were reported as the percentage of respondents for each level of agreement in addition to the mean and SD of the agreement level for each survey item. RESULTS Responses were received from 775 faculty from 126 COP (14.2% response rate). Faculty agreed that AD was an issue in pharmacy education in general (76%) and at their institution (70%), however respondents also agreed that AD was quickly addressed by their institution (72%) and were confident in their institution's ability to manage AD infractions (68%). Faculty agreed that it is both difficult (82.5%) and frustrating (75.2%) to report AD infractions at their institution. Female faculty (P = .006) and those who spent more time in classroom (P < .001) agreed more that they witnessed AD in the classroom. Findings were further stratified by gender, faculty rank, time in class, and terminal degree. CONCLUSIONS AD was perceived as an issue in pharmacy education. Transparency in the AD handling process and increased student education about AD were identified as potential solutions to reduce AD occurrences.
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Affiliation(s)
- Norman E Fenn
- Department of Pharmacy Practice, Manchester University College of Pharmacy and Health Sciences, 10627 Diebold Road, Fort Wayne, IN 46845, United States.
| | - Osama A Shoair
- Pharmaceutical Sciences and Health Outcomes, The University of Texas at Tyler Fisch College of Pharmacy, 3900 University Blvd, WTB 346, Tyler, TX 75703, United States.
| | - Jeffrey D Luke
- CPS-PACT, VA Texas Valley Coastal Bend Corpus Christi Outpatient Clinic, 5293 Old Brownsville Road, Corpus Christi, TX 78405, United States.
| | - Megan Willson
- Pharmacotherapy Washington State University College of Pharmacy and Pharmaceutical Sciences, 412 E Spokane Falls Blvd, Spokane, WA 99202, United States.
| | - Josephine Aranda
- Inland Empire Health Plan, 10801 Sixth St, Rancho Cucamonga, CA 91730, United States.
| | - Bin Deng
- West Coast University School of Pharmacy, 590 N Vermont Ave, Los Angeles, CA 90004, United States.
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Zhang K, Bile AM, Feng X, Xu Y, Li Y, She Q, Li G, Wu J, Xiao W, Ding Y, Deng B. Image acquisition as novel colonoscopic quality indicator: a single-center retrospective study. Front Oncol 2023; 13:1090464. [PMID: 37223689 PMCID: PMC10200908 DOI: 10.3389/fonc.2023.1090464] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 04/24/2023] [Indexed: 05/25/2023] Open
Abstract
Purpose In order to reduce the incidence and mortality of colorectal cancer, improving the quality of colonoscopy is the top priority. At present, the adenoma detection rate is the most used index to evaluate the quality of colonoscopy. So, we further verified the relevant factors influencing the quality of colonoscopy and found out the novel quality indicators by studying the relationship between the influencing factors and the adenoma detection rate. Materials/methods The study included 3824 cases of colonoscopy from January to December 2020. We retrospectively recorded the age and sex of the subjects; the number, size, and histological features of lesions; withdrawal time and the number of images acquired during colonoscopy. We analyzed the associated factors affecting adenoma and polyp detection, and verified their effectiveness with both univariate and multivariate logistic regression analyses. Results Logistic regression analyses showed that gender, age, withdrawal time and the number of images acquired during colonoscopy could serve as independent predictors of adenoma/polyp detection rate. In addition, adenoma detection rate (25.36% vs. 14.29%) and polyp detection rate (53.99% vs. 34.42%) showed a marked increase when the number of images taken during colonoscopy was ≥29 (P<0.001). Conclusions Gender, age, withdrawal time and the number of images acquired during colonoscopy are influencing factors for the detection of colorectal adenomas and polyps. And we can gain higher adenoma/polyp detection rate when endoscopists capture more colonoscopic images.
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Affiliation(s)
- Ke Zhang
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
- Graduate School, Dalian Medical University, Dalian, ;China
| | - Abdiwahid Mohamed Bile
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
- Medical College, Yangzhou University, Yangzhou, China
| | - Xinyi Feng
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
- Medical College, Yangzhou University, Yangzhou, China
| | - Yemin Xu
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
- Medical College, Yangzhou University, Yangzhou, China
| | - Yaoyao Li
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Qiang She
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Guiqing Li
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Jian Wu
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Weiming Xiao
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Yanbing Ding
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Bin Deng
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
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Zhu X, Lv J, Zhu M, Yan C, Deng B, Yu C, Guo Y, Ni J, She Q, Wang T, Wang J, Jiang Y, Chen J, Hang D, Song C, Gao X, Wu J, Dai J, Ma H, Yang L, Chen Y, Song M, Wei Q, Chen Z, Hu Z, Shen H, Ding Y, Li L, Jin G. Development, validation, and evaluation of a risk assessment tool for personalized screening of gastric cancer in Chinese populations. BMC Med 2023; 21:159. [PMID: 37106459 PMCID: PMC10142220 DOI: 10.1186/s12916-023-02864-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 11/18/2022] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND Effective risk prediction models are lacking for personalized endoscopic screening of gastric cancer (GC). We aimed to develop, validate, and evaluate a questionnaire-based GC risk assessment tool for risk prediction and stratification in the Chinese population. METHODS In this three-stage multicenter study, we first selected eligible variables by Cox regression models and constructed a GC risk score (GCRS) based on regression coefficients in 416,343 subjects (aged 40-75 years) from the China Kadoorie Biobank (CKB, development cohort). In the same age range, we validated the GCRS effectiveness in 13,982 subjects from another independent Changzhou cohort (validation cohort) as well as in 5348 subjects from an endoscopy screening program in Yangzhou. Finally, we categorized participants into low (bottom 20%), intermediate (20-80%), and high risk (top 20%) groups by the GCRS distribution in the development cohort. RESULTS The GCRS using 11 questionnaire-based variables demonstrated a Harrell's C-index of 0.754 (95% CI, 0.745-0.762) and 0.736 (95% CI, 0.710-0.761) in the two cohorts, respectively. In the validation cohort, the 10-year risk was 0.34%, 1.05%, and 4.32% for individuals with a low (≤ 13.6), intermediate (13.7~30.6), and high (≥ 30.7) GCRS, respectively. In the endoscopic screening program, the detection rate of GC varied from 0.00% in low-GCRS individuals, 0.27% with intermediate GCRS, to 2.59% with high GCRS. A proportion of 81.6% of all GC cases was identified from the high-GCRS group, which represented 28.9% of all the screened participants. CONCLUSIONS The GCRS can be an effective risk assessment tool for tailored endoscopic screening of GC in China. Risk Evaluation for Stomach Cancer by Yourself (RESCUE), an online tool was developed to aid the use of GCRS.
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Affiliation(s)
- Xia Zhu
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Jun Lv
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, China
- Peking University Center for Public Health and Epidemic Preparedness & Response, Beijing, China
| | - Meng Zhu
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Caiwang Yan
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Bin Deng
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, 88 Daxue South Rd, Yangzhou, 225000, China
| | - Canqing Yu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, China
- Peking University Center for Public Health and Epidemic Preparedness & Response, Beijing, China
| | - Yu Guo
- Fuwai Hospital Chinese Academy of Medical Sciences, Beijing, China
| | - Jing Ni
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
| | - Qiang She
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, 88 Daxue South Rd, Yangzhou, 225000, China
| | - Tianpei Wang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Public Health Institute of Gusu School, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Jiayu Wang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Yue Jiang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Jiaping Chen
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Dong Hang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Ci Song
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Xuefeng Gao
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, 88 Daxue South Rd, Yangzhou, 225000, China
| | - Jian Wu
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, 88 Daxue South Rd, Yangzhou, 225000, China
| | - Juncheng Dai
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Hongxia Ma
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
| | - Ling Yang
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Yiping Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Mingyang Song
- Departments of Epidemiology and Nutrition, Harvard University T.H. Chan School of Public Health, Boston, MA, USA
| | - Qingyi Wei
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA
- Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Zhengming Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Zhibin Hu
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China
- Public Health Institute of Gusu School, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Hongbing Shen
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China.
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China.
| | - Yanbing Ding
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou University, 88 Daxue South Rd, Yangzhou, 225000, China.
| | - Liming Li
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, China.
- Peking University Center for Public Health and Epidemic Preparedness & Response, Beijing, China.
| | - Guangfu Jin
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Rd, Nanjing, 211166, China.
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China.
- Public Health Institute of Gusu School, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China.
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China.
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Chang S, Wang J, Zhu Y, Wei X, Deng B, Li H, Liu C. Nonlinear dynamical modeling of neural activity using volterra series with GA-enhanced particle swarm optimization algorithm. Cogn Neurodyn 2023; 17:467-476. [PMID: 37007203 PMCID: PMC10050660 DOI: 10.1007/s11571-022-09822-1] [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: 11/03/2021] [Revised: 03/23/2022] [Accepted: 05/09/2022] [Indexed: 11/03/2022] Open
Abstract
In order to improve the modeling performance of Volterra sequence for nonlinear neural activity, in this paper, a new optimization algorithm is proposed to identify Volterra sequence parameters. Algorithm combines the advantages of particle swarm optimization (PSO) and genetic algorithm (GA) improve the performance of the identification of nonlinear model parameters from rapidity and accuracy. In the modeling experiments of neural signal data generated by the neural computing model and clinical neural data set in this paper, the proposed algorithm shows its excellent potential in nonlinear neural activity modeling. Compared with PSO and GA, the algorithm can achieve less identification error, and better balance the convergence speed and identification error. Further, we explore the influence of algorithm parameters on identification efficiency, which provides possible guiding significance for parameter setting in practical application of the algorithm.
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Affiliation(s)
- Siyuan Chang
- School of Electrical and Information Engineering, Tianjin University, Tianjin, 30072 China
| | - Jiang Wang
- School of Electrical and Information Engineering, Tianjin University, Tianjin, 30072 China
| | - Yulin Zhu
- School of Electrical and Information Engineering, Tianjin University, Tianjin, 30072 China
| | - Xile Wei
- School of Electrical and Information Engineering, Tianjin University, Tianjin, 30072 China
| | - Bin Deng
- School of Electrical and Information Engineering, Tianjin University, Tianjin, 30072 China
| | - Huiyan Li
- School of Automation and Electrical Engineering, Tianjin University of Technology and Education, Tianjin, China
| | - Chen Liu
- School of Electrical and Information Engineering, Tianjin University, Tianjin, 30072 China
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Dong J, Li W, Du X, He X, Deng B, Zheng H, Tian Y, Sheng J, Fang C. <em>Garcinia cambogia</em>water extract alleviates insulin resistance and hepatic lipid accumulation in mice fed a high-fat diet. Food Nutr Res 2023; 67:8977. [PMID: 37050928 PMCID: PMC10084504 DOI: 10.29219/fnr.v67.8977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/25/2022] [Accepted: 01/04/2023] [Indexed: 03/18/2023] Open
Abstract
Background: Garcinia cambogia is widely used as a weight-loss supplement, and it is reported to be negatively associated with metabolic diseases including insulin resistance (IR), type 2 diabetes mellitus (T2DM), non-alcoholic fatty liver disease (NAFLD), and dyslipidemia.
Objective: This study aimed to investigate the effect of G. cambogia water extract (GE) on high-fat diet (HFD)-induced obesity, IR, and hepatic lipid accumulation.
Design: C57BL/6 male mice were fed HFD with or without GE, GED and GEP for 16 weeks, and the mice were subjected to insulin tolerance tests and liver histological analysis. The hydroxycitric acid (HCA) levels of GE, GED, and GEP were measured by high-performance liquid chromatography.
Results: The results showed that GE significantly reduced HFD-induced body weight gain (P < 0.001), alleviated IR (P < 0.01), reduced serum total cholesterol (TC) (P < 0.001), and attenuated HFD-induced hepatic lipid accumulation. To investigate the constituent that was responsible for these effects, we separated GE into the component that dissolved in ethanol (GED) and the component that was precipitated by ethanol (GEP). Further mouse experiments showed that both GED and GEP were effective, but GED (which was used at a dose of 4 g/L) was more effective than GEP (which was used at a lower dose of 1 g/L). The HCA levels in GED and GEP were similar, although less than in GE. HCA may be the effective component in GE.
Conclusion: This study provides evidence that G. cambogia can be used as a natural supplement to alleviate IR and hepatic lipid accumulation.
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Affiliation(s)
- Jinya Dong
- Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, China
| | - Wen Li
- Yunnan Rural Science and Technology Service Center, Kunming, Yunnan, China
| | - Xiaocui Du
- Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, China
| | - Xiaofang He
- Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China
| | - Bin Deng
- Yunnan Rural Science and Technology Service Center, Kunming, Yunnan, China
| | - Hongmei Zheng
- Yunnan Rural Science and Technology Service Center, Kunming, Yunnan, China
| | - Yang Tian
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
- Yang Tian, College of Food Science and Technology, Yunnan Agricultural University, No. 452, Fengyuan Road, Panlong District, Kunming 650201 China.
| | - Jun Sheng
- Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
- Yang Tian, College of Food Science and Technology, Yunnan Agricultural University, No. 452, Fengyuan Road, Panlong District, Kunming 650201 China.
| | - Chongye Fang
- Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
- Yang Tian, College of Food Science and Technology, Yunnan Agricultural University, No. 452, Fengyuan Road, Panlong District, Kunming 650201 China.
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Zou R, Bi L, Huang Y, Wang Y, Wang Y, Li L, Liu J, Feng L, Jiang X, Deng B. A biocompatible silicon nitride dental implant material prepared by digital light processing technology. J Mech Behav Biomed Mater 2023; 141:105756. [PMID: 36898355 DOI: 10.1016/j.jmbbm.2023.105756] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/27/2023] [Accepted: 03/03/2023] [Indexed: 03/06/2023]
Abstract
For decades, titanium has been the preferred material for dental implant fabrication. However, metallic ions and particles can cause hypersensitivity and aseptic loosening. The growing demand for metal-free dental restorations has also promoted the development of ceramic-based dental implants, such as silicon nitride. In this study, silicon nitride (Si3N4) dental implants were fabricated for biological engineering by photosensitive resin based digital light processing (DLP) technology, comparable to conventionally produced Si3N4 ceramics. The flexural strength was (770 ± 35) MPa by the three-point bending method, and the fracture toughness was (13.3 ± 1.1) MPa · m1/2 by the unilateral pre-cracked beam method. The elastic modulus measured by the bending method was (236 ± 10) GPa. To confirm whether the prepared Si3N4 ceramics possessed good biocompatibility, in vitro biological experiments were performed with the fibroblast cell line L-929, and preferable cell proliferation and apoptosis were observed at the initial stages. Hemolysis test, oral mucous membrane irritation test, and acute systemic toxicity test (oral route) further confirmed that the Si3N4 ceramics did not exhibit hemolysis reaction, oral mucosal stimulation, or systemic toxicity. The findings indicate that Si3N4 dental implant restorations with personalized structures prepared by DLP technology have good mechanical properties and biocompatibility, which has great application potential in the future.
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Affiliation(s)
- Rongfang Zou
- Chinese PLA Medical School, Beijing, 100853, China; Department of Stomatology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Lunan Bi
- Shandong Industrial Ceramic Research and Design Institute Co. Ltd., Zibo, 255000, Shandong, China
| | - Yang Huang
- Department of Stomatology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yadi Wang
- Chinese PLA Medical School, Beijing, 100853, China
| | - Yan Wang
- Beijing Institute of Basic Medical Science, Beijing, 100850, China
| | - Lin Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Jiayin Liu
- Chinese PLA Medical School, Beijing, 100853, China
| | - Lu Feng
- Chinese PLA Medical School, Beijing, 100853, China
| | - Xiaoxia Jiang
- Beijing Institute of Basic Medical Science, Beijing, 100850, China.
| | - Bin Deng
- Department of Stomatology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
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Li M, Wu Z, Gao W, Zhao K, Yang X, Zhang H, Deng B, Niu Y. Polysaccharide H-1-2 Ameliorates High Glucose-Induced Podocyte Dysfunction by Suppressing Epithelial-to-Mesenchymal Transition via Restoration of SIRT1 in vivo and in vitro. TOHOKU J EXP MED 2023; 260:35-45. [PMID: 36858511 DOI: 10.1620/tjem.2023.j015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Renal interstitial fibrosis, a pathological feature of diabetic nephropathy, is closely related to endothelial-to-mesenchymal transition (EMT). This study aimed to explore the effect of H-1-2, a polysaccharide of Pseudostellaria heterophylla, on high glucose (HG) induced-podocyte EMT in vivo and ex vivo. DBA/2 mice were given five consecutive days of streptozotocin injection to induce the diabetic nephropathy model. H-1-2 treatment effectively attenuated general states (bodyweight and blood glucose level) and reduced oral glucose tolerance, insulin tolerance, kidney index, as well as the level of serum urine nitrogen, serum creatinine, and urinary albumin excretion rate in diabetic nephropathy mice. The injury and EMT of podocytes in diabetic nephropathy mice were restrained by H-1-2. After exposing podocytes to HG, the impaired cell viability, apoptosis, the downregulation of nephrin, synaptopodin, sirtuin 1 (SIRT1) and P-cadherin, and the upregulation of N-cadherin were observed in podocytes. H-1-2 treatment could reverse these effects induced by HG. To uncover the mechanism underlying H-1-2 suppressing EMT, small interference RNA for SIRT1 was transfected into podocytes. Mechanically, silencing SIRT1 largely restrained the protective effect of H-1-2 on HG-induced podocytes. In conclusion, H-1-2 exerts a potential role in alleviating HG-induced dysfunction and EMT of podocytes in vivo and ex vivo via SIRT1.
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Affiliation(s)
- Minzhou Li
- Department of Traditional Chinese Medicine, the People's Hospital of Inner Mongolia Autonomous Region
| | - Zhong Wu
- Department of Traditional Chinese Medicine, the People's Hospital of Inner Mongolia Autonomous Region
| | - Wei Gao
- Department of Traditional Chinese Medicine, the People's Hospital of Inner Mongolia Autonomous Region
| | - Kaiying Zhao
- Department of Traditional Chinese Medicine, the People's Hospital of Inner Mongolia Autonomous Region
| | - Xiaobo Yang
- Department of Traditional Chinese Medicine, the People's Hospital of Inner Mongolia Autonomous Region
| | - Huiyan Zhang
- College of Traditional Chinese Medicine, Inner Mongolia Medical University
| | - Bin Deng
- College of Traditional Chinese Medicine, Inner Mongolia Medical University
| | - Yang Niu
- College of Traditional Chinese Medicine, Inner Mongolia Medical University
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Munera López J, Alonso AM, Figueras MJ, Saldarriaga Cartagena AM, Hortua Triana MA, Diambra L, Vanagas L, Deng B, Moreno SNJ, Angel SO. Analysis of the Interactome of the Toxoplasma gondii Tgj1 HSP40 Chaperone. Proteomes 2023; 11:9. [PMID: 36976888 PMCID: PMC10056330 DOI: 10.3390/proteomes11010009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 12/22/2022] [Revised: 01/20/2023] [Accepted: 02/10/2023] [Indexed: 03/06/2023] Open
Abstract
Toxoplasma gondii is an obligate intracellular apicomplexan that causes toxoplasmosis in humans and animals. Central to its dissemination and pathogenicity is the ability to rapidly divide in the tachyzoite stage and infect any type of nucleated cell. Adaptation to different cell contexts requires high plasticity in which heat shock proteins (Hsps) could play a fundamental role. Tgj1 is a type I Hsp40 of T. gondii, an ortholog of the DNAJA1 group, which is essential during the tachyzoite lytic cycle. Tgj1 consists of a J-domain, ZFD, and DNAJ_C domains with a CRQQ C-terminal motif, which is usually prone to lipidation. Tgj1 presented a mostly cytosolic subcellular localization overlapping partially with endoplasmic reticulum. Protein-protein Interaction (PPI) analysis showed that Tgj1 could be implicated in various biological pathways, mainly translation, protein folding, energy metabolism, membrane transport and protein translocation, invasion/pathogenesis, cell signaling, chromatin and transcription regulation, and cell redox homeostasis among others. The combination of Tgj1 and Hsp90 PPIs retrieved only 70 interactors linked to the Tgj1-Hsp90 axis, suggesting that Tgj1 would present specific functions in addition to those of the Hsp70/Hsp90 cycle, standing out invasion/pathogenesis, cell shape motility, and energy pathway. Within the Hsp70/Hsp90 cycle, translation-associated pathways, cell redox homeostasis, and protein folding were highly enriched in the Tgj1-Hsp90 axis. In conclusion, Tgj1 would interact with a wide range of proteins from different biological pathways, which could suggest a relevant role in them.
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Affiliation(s)
- Jonathan Munera López
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, Chascomús 7130, Argentina
| | - Andrés Mariano Alonso
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, Chascomús 7130, Argentina
| | - Maria Julia Figueras
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, Chascomús 7130, Argentina
| | - Ana María Saldarriaga Cartagena
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, Chascomús 7130, Argentina
| | - Miryam A. Hortua Triana
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA 30602, USA
| | - Luis Diambra
- Centro Regional de Estudios Genómicos, Universidad Nacional de La Plata, La Plata 1900, Argentina
| | - Laura Vanagas
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, Chascomús 7130, Argentina
| | - Bin Deng
- Department of Biology and VBRN, University of Vermont, Burlington, VT 05405, USA
| | - Silvia N. J. Moreno
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA 30602, USA
- Department of Cellular Biology, University of Georgia, Athens, GA 30602, USA
| | - Sergio Oscar Angel
- Laboratorio de Parasitología Molecular, INTECH, CONICET-UNSAM, Av. Intendente Marino Km. 8.2, C.C 164, Chascomús 7130, Argentina
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