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Shi C, Zhang Y, Chen Q, Wang Y, Zhang D, Guo J, Zhang Q, Zhang W, Gong Z. The acetylation of MDH1 and IDH1 is associated with energy metabolism in acute liver failure. iScience 2024; 27:109678. [PMID: 38660411 PMCID: PMC11039345 DOI: 10.1016/j.isci.2024.109678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/19/2024] [Accepted: 04/03/2024] [Indexed: 04/26/2024] Open
Abstract
The liver is the main organ associated with metabolism. In our previous studies, we identified that the metabolic enzymes malate dehydrogenase 1 (MDH1) and isocitrate dehydrogenase 1 (IDH1) were differentially expressed in ALF. The aim of this study was to explore the changes in the acetylation of MDH1 and IDH1 and the therapeutic effect of histone deacetylase (HDAC) inhibitor in acute liver failure (ALF). Decreased levels of many metabolites were observed in ALF patients. MDH1 and IDH1 were decreased in the livers of ALF patients. The HDAC inhibitor ACY1215 improved the expression of MDH1 and IDH1 after treatment with MDH1-siRNA and IDH1-siRNA. Transfection with mutant plasmids and adeno-associated viruses, identified MDH1 K118 acetylation and IDH1 K93 acetylation as two important sites that regulate metabolism in vitro and in vivo.
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Affiliation(s)
- Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yanqiong Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Qian Chen
- Department of Cardiology, Wuhan No.1 Hospital, Wuhan Hospital of Traditional Chinese and Western Medicine, Wuhan 430022, China
| | - Yukun Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Danmei Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Jin Guo
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Qingqi Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Wenbin Zhang
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, China
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Gong Z, Xue L, Vlantis AC, van Hasselt CA, Chan JYK, Fang J, Wang R, Yang Y, Li D, Zeng X, Tong MCF, Chen GG. Brusatol attenuated proliferation and invasion induced by KRAS in differentiated thyroid cancer through inhibiting Nrf2. J Endocrinol Invest 2024; 47:1271-1280. [PMID: 38062319 DOI: 10.1007/s40618-023-02248-4] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 11/13/2023] [Indexed: 04/23/2024]
Abstract
BACKGROUND Poorly differentiated thyroid cancer (PDTC) and anaplastic thyroid cancer (ATC) can be developed from differentiated thyroid cancer, and this dedifferentiated transformation leads to poor prognosis and high mortality. The role of Nrf2 in the dedifferentiation of differentiated thyroid cancer (DTC) induced by KRAS remains unclear. METHODS AND MATERIALS In this study, two DTC cell lines, BCPAP and WRO, were used to evaluate the function of Nrf2 in the dedifferentiation caused by wild-type KRAS (KRAS-WT) and G12V point mutation KRAS (KRAS-G12V). RESULTS The overexpression of KRAS-WT and KRAS-G12V increased the proliferative and invasive ability of BCPAP and WRO cells. Aggressive morphology was observed in KRAS-WT and KRAS-G12V overexpressed WRO cells. These results suggested that overexpression of KRAS-WT or KRAS-G12V may induce dedifferentiation in DTC cells. The expression of Nrf2 was increased by KRAS-WT and KRAS-G12V in DTC cells. In addition, compared with normal thyroid tissues, the expression of Nrf2 protein was considerably higher in thyroid cancer tissues on immunohistochemistry (IHC) staining, and the increased expression of Nrf2 indicated a poor prognosis of thyroid cancer. These results indicated that Nrf2 is the KRAS downstream molecule in thyroid cancer. Functional studies showed that the Nrf2 inhibitor Brusatol counteracted the proliferative and invasive abilities induced by KRAS-WT and KRAS-G12V in BCPAP and WRO cells. In addition, the xenograft assay further confirmed that Brusatol inhibits tumor growth induced by KRAS-WT and KRAS-G12V. CONCLUSION Collectively, this study suggests that Nrf2 could be a promising therapeutic target in KRAS-mediated dedifferentiation of thyroid cancer.
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Affiliation(s)
- Z Gong
- Department of Otorhinolaryngology, Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, Guangdong, China
| | - L Xue
- Department of Otorhinolaryngology, Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - A C Vlantis
- Department of Otorhinolaryngology, Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - C A van Hasselt
- Department of Otorhinolaryngology, Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - J Y K Chan
- Department of Otorhinolaryngology, Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - J Fang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China
- Key Laboratory of Otolaryngology Head and Neck Surgery (Ministry of Education of China), Beijing Institute of Otolaryngology, Beijing, China
| | - R Wang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China
- Key Laboratory of Otolaryngology Head and Neck Surgery (Ministry of Education of China), Beijing Institute of Otolaryngology, Beijing, China
| | - Y Yang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China
- Key Laboratory of Otolaryngology Head and Neck Surgery (Ministry of Education of China), Beijing Institute of Otolaryngology, Beijing, China
| | - D Li
- Shenzhen Key Laboratory of ENT, Institute of ENT and Longgang ENT Hospital, Shenzhen, Guangdong, China
| | - X Zeng
- Shenzhen Key Laboratory of ENT, Institute of ENT and Longgang ENT Hospital, Shenzhen, Guangdong, China
| | - M C F Tong
- Department of Otorhinolaryngology, Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, Guangdong, China.
| | - G G Chen
- Department of Otorhinolaryngology, Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, Guangdong, China.
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Liu H, Duan J, Zeng P, Shi M, Zeng J, Chen S, Gong Z, Chen Z, Qin J, Chen Z. Intelligently Quantifying the Entire Irregular Dental Structure. J Dent Res 2024; 103:378-387. [PMID: 38372132 DOI: 10.1177/00220345241226871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024] Open
Abstract
Quantitative analysis of irregular anatomical structures is crucial in oral medicine, but clinicians often typically measure only several representative indicators within the structure as references. Deep learning semantic segmentation offers the potential for entire quantitative analysis. However, challenges persist, including segmentation difficulties due to unclear boundaries and acquiring measurement landmarks for clinical needs in entire quantitative analysis. Taking the palatal alveolar bone as an example, we proposed an artificial intelligence measurement tool for the entire quantitative analysis of irregular dental structures. To expand the applicability, we have included lightweight networks with fewer parameters and lower computational demands. Our approach finally used the lightweight model LU-Net, addressing segmentation challenges caused by unclear boundaries through a compensation module. Additional enamel segmentation was conducted to establish a measurement coordinate system. Ultimately, we presented the entire quantitative information within the structure in a manner that meets clinical needs. The tool achieved excellent segmentation results, manifested by high Dice coefficients (0.934 and 0.949), intersection over union (0.888 and 0.907), and area under the curve (0.943 and 0.949) for palatal alveolar bone and enamel in the test set. In subsequent measurements, the tool visualizes the quantitative information within the target structure by scatter plots. When comparing the measurements against representative indicators, the tool's measurement results show no statistically significant difference from the ground truth, with small mean absolute error, root mean squared error, and errors interval. Bland-Altman plots and intraclass correlation coefficients indicate the satisfactory agreement compared with manual measurements. We proposed a novel intelligent approach to address the entire quantitative analysis of irregular image structures in the clinical setting. This contributes to enabling clinicians to swiftly and comprehensively grasp structural features, facilitating the design of more personalized treatment plans for different patients, enhancing clinical efficiency and treatment success rates in turn.
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Affiliation(s)
- H Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, Guangdong, China
| | - J Duan
- State Key Laboratory of Environmental Adaptability for Industrial Products, National Electric Apparatus Research Institute Co., Ltd, Guangzhou, Guangdong, China
| | - P Zeng
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, Guangdong, China
| | - M Shi
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, Guangdong, China
| | - J Zeng
- School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - S Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, Guangdong, China
| | - Z Gong
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, Guangdong, China
| | - Z Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, Guangdong, China
| | - J Qin
- State Key Laboratory of Environmental Adaptability for Industrial Products, National Electric Apparatus Research Institute Co., Ltd, Guangzhou, Guangdong, China
| | - Z Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, Guangdong, China
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Shi J, Shi K, Dong Q, Yang J, Zhou Y, Ma P, She S, Yang F, Gong Z. Self-Oxidated Hydrophilic Chitosan Fibrous Mats for Fatal Hemorrhage Control. ACS Appl Mater Interfaces 2024; 16:8391-8402. [PMID: 38324389 DOI: 10.1021/acsami.3c16912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Enriching erythrocytes and platelets in seconds and providing a fast seal in bleeding sites is vital to fatal hemorrhage control. Herein, hydrophilic chitosan fibrous mats (CECS-D mats) are fabricated by introducing hydrophilic carboxyethyl groups and subsequent catechol groups onto chitosan fibers. Due to strong hydrophilicity, CECS-D mats exhibit rapid liquid-absorption capacity, especially instantaneous absorptivity to the rabbit blood, which can achieve erythrocyte and platelet aggregations quickly by concentrating blood, thus promoting the formation of blood clots. Furthermore, the mats are self-oxidated to form quinone-amine adducts or quinone multimers by adjusting pH conditions, which not only provides tissue adhesion but also induces erythrocyte aggregation and platelet adhesion, further enhancing the seal and triggering quick closure to achieve fast hemostasis. Therefore, the mats reveal superior hemostatic performance in rabbit liver and spleen models over CECS mats and gauze. Especially in the fatal femoral artery injury model of rabbits, the mats reduce the blood loss by ∼75% and shortened the bleeding time by ∼50% compared with CECS mats, which have been reported to have the same hemostatic effect as commercialized Celox products in a swine femoral artery injury model. Besides, the mats are cytocompatible and degradable as well as antibacterial. This chitosan mat is a promising hemostatic material for fatal hemorrhage control.
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Affiliation(s)
- Jinzhi Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, People's Republic of China
| | - Kai Shi
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Qi Dong
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Junfeng Yang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Yingshan Zhou
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
- College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Peng Ma
- Department of Hepatobiliary Surgery, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, People's Republic of China
| | - Sha She
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, People's Republic of China
| | - Fan Yang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, People's Republic of China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, People's Republic of China
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Swinkels PJM, Sinaasappel R, Gong Z, Sacanna S, Meyer WV, Sciortino F, Schall P. Networks of Limited-Valency Patchy Particles. Phys Rev Lett 2024; 132:078203. [PMID: 38427857 DOI: 10.1103/physrevlett.132.078203] [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: 06/06/2023] [Revised: 11/27/2023] [Accepted: 01/17/2024] [Indexed: 03/03/2024]
Abstract
Equilibrium gels provide physically attractive counterparts of nonequilibrium gels, allowing statistical understanding and design of the equilibrium gel structure. Here, we assemble two-dimensional equilibrium gels from limited-valency "patchy" colloidal particles and follow their evolution at the particle scale to elucidate cluster-size distributions and free energies. By finely adjusting the patch attraction with critical Casimir forces, we let a mixture of two-valent and pseudo-three-valent patchy particles approach the percolated network state through a set of equilibrium states. Comparing this equilibrium route with a deep quench, we find that both routes approach the percolated state via the same equilibrium states, revealing that the network topology is uniquely set by the particle bond angles, independent of the formation history. The limited-valency system follows percolation theory remarkably well, approaching the percolation point with the expected universal exponents.
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Affiliation(s)
- P J M Swinkels
- Institute of Physics, University of Amsterdam, 1098XH Amsterdam, The Netherlands
| | - R Sinaasappel
- Institute of Physics, University of Amsterdam, 1098XH Amsterdam, The Netherlands
| | - Z Gong
- Molecular Design Institute, Department of Chemistry, New York University, New York, NY 10003-6688, USA
| | - S Sacanna
- Molecular Design Institute, Department of Chemistry, New York University, New York, NY 10003-6688, USA
| | - W V Meyer
- Universities Space Research Association, with GEARS, NASA Glenn Research Center, 2001 Aerospace Parkway, Brook Park, Ohio 44152, USA
| | | | - P Schall
- Institute of Physics, University of Amsterdam, 1098XH Amsterdam, The Netherlands
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Wang Y, Shi C, Guo J, Zhang D, Zhang Y, Zhang L, Gong Z. IDH1/MDH1 deacetylation promotes acute liver failure by regulating NETosis. Cell Mol Biol Lett 2024; 29:8. [PMID: 38172700 PMCID: PMC10765752 DOI: 10.1186/s11658-023-00529-7] [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: 08/03/2023] [Accepted: 12/20/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Acute liver failure (ALF) is a life-threatening disease, but its pathogenesis is not fully understood. NETosis is a novel mode of cell death. Although the formation of neutrophil extracellular traps (NETs) has been found in various liver diseases, the specific mechanism by which NETosis regulates the development of ALF is unclear. In this article, we explore the role and mechanism of NETosis in the pathogenesis of ALF. METHODS Clinically, we evaluated NETs-related markers in the liver and peripheral neutrophils of patients with ALF. In in vitro experiments, HL-60 cells were first induced to differentiate into neutrophil-like cells (dHL-60 cells) with dimethyl sulfoxide (DMSO). NETs were formed by inducing dHL-60 cells with PMA. In in vivo experiments, the ALF model in mice was established with LPS/D-gal, and the release of NETs was detected by immunofluorescence staining and western blotting. Finally, the acetylation levels of IDH1 and MDH1 were detected in dHL-60 cells and liver samples by immunoprecipitation. RESULTS Clinically, increased release of NETs in liver tissue was observed in patients with ALF, and NETs formation was detected in neutrophils from patients with liver failure. In dHL-60 cells, mutations at IDH1-K93 and MDH1-K118 deacetylate IDH1 and MDH1, which promotes the formation of NETs. In a mouse model of ALF, deacetylation of IDH1 and MDH1 resulted in NETosis and promoted the progression of acute liver failure. CONCLUSIONS Deacetylation of IDH1 and MDH1 reduces their activity and promotes the formation of NETs. This change aggravates the progression of acute liver failure.
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Affiliation(s)
- Yukun Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Jin Guo
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Danmei Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Yanqiong Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Long Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China.
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Wang Y, Shi C, Guo J, Zhang Y, Gong Z. Distinct Types of Cell Death and Implications in Liver Diseases: An Overview of Mechanisms and Application. J Clin Transl Hepatol 2023; 11:1413-1424. [PMID: 37719956 PMCID: PMC10500292 DOI: 10.14218/jcth.2023.00132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/17/2023] [Accepted: 07/12/2023] [Indexed: 09/19/2023] Open
Abstract
Cell death is associated with a variety of liver diseases, and hepatocyte death is a core factor in the occurrence and progression of liver diseases. In recent years, new cell death modes have been identified, and certain biomarkers have been detected in the circulation during various cell death modes that mediate liver injury. In this review, cell death modes associated with liver diseases are summarized, including some cell death modes that have emerged in recent years. We described the mechanisms associated with liver diseases and summarized recent applications of targeting cell death in liver diseases. It provides new ideas for the diagnosis and treatment of liver diseases. In addition, multiple cell death modes can contribute to the same liver disease. Different cell death modes are not isolated, and they interact with each other in liver diseases. Future studies may focus on exploring the regulation between various cell death response pathways in liver diseases.
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Affiliation(s)
- Yukun Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jin Guo
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yanqiong Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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Zhang D, Shi C, Zhang Q, Wang Y, Guo J, Gong Z. Inhibition of GSK3β activity alleviates acute liver failure via suppressing multiple programmed cell death. J Inflamm (Lond) 2023; 20:24. [PMID: 37443080 DOI: 10.1186/s12950-023-00350-1] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND Acute liver failure (ALF) is one of the most common life-threatening diseases in adults without previous liver disease. Glycogen synthase kinase 3β (GSK3β) is a serine/threonine protein kinase that is widely distributed in the cells. Inhibition of its activity can inhibit cell death and promote autophagy through various pathways, thus providing a protective effect. In this study, we aimed to investigate the effect on ALF after inhibition of GSK3β and its potential mechanisms. METHODS D- galactosamine(D-Gal) in combination with lipopolysaccharide(LPS) was used to induce ALF in vitro and in vivo. And then GSK3β inhibitor TDZD-8 was used to explore the protective effect against ALF. After TDZD-8 treatment TUNEL staining and flow techniques were used to detect the proportion of apoptosis in liver tissues and cells respectively, while western blotting and immunofluorescence assays were performed to detect the expression levels of apoptosis, pyroptosis and necroptosis-related proteins in tissues and cells. In addition, western blotting was performed to explore the specific mechanism of hepatoprotective effect after GSK3β inhibition to detect the expression levels of TAK1, TRAF6 and HDAC3 after TRAF6 and HDAC3 inhibition alone. The co-localization of TRAF6 and HDAC3 in vitro was detected by immunofluorescence, while the interaction between TRAF6 and HDAC3 was detected by immunoprecipitation assay. RESULTS Both in vivo and in vitro experiments, GSK3β inhibitor TDZD-8 can significantly alleviate the progression of ALF. Inhibition of GSK3β activity could significantly reduce the level of hepatocyte apoptosis, pyroptosis, necroptosis and improve liver dysfunction and tissue damage. Furthermore, we found that hepatocyte TAK1 and TRAF6 levels decreased and HDAC3 levels increased in ALF, whereas inhibition of GSK3β upregulated TAK1 and TRAF6 levels and decreased HDAC3 expression. CONCLUSION GSK3β inhibitor TDZD-8 can prevent the progression of ALF, and its action may involve the TRAF6/HDAC3/TAK1 pathway.
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Affiliation(s)
- Danmei Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Qingqi Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Yukun Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Jin Guo
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China.
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Shi C, Cao P, Wang Y, Zhang Q, Zhang D, Wang Y, Wang L, Gong Z. PANoptosis: A Cell Death Characterized by Pyroptosis, Apoptosis, and Necroptosis. J Inflamm Res 2023; 16:1523-1532. [PMID: 37077221 PMCID: PMC10106823 DOI: 10.2147/jir.s403819] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 04/05/2023] [Indexed: 04/21/2023] Open
Abstract
PANoptosis is a new cell death proposed by Malireddi et al in 2019, which is characterized by pyroptosis, apoptosis and necroptosis, but cannot be explained by any of them alone. The interaction between pyroptosis, apoptosis and necroptosis is involved in PANoptosis. In this review, from the perspective of PANoptosis, we focus on the relationship between pyroptosis, apoptosis and necroptosis, the key molecules in the process of PANoptosis and the formation of PANoptosome, as well as the role of PANoptosis in diseases. We aim to understand the mechanism of PANoptosis and provide a basis for targeted intervention of PANoptosis-related molecules to treat human diseases.
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Affiliation(s)
- Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Pan Cao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Yukun Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Qingqi Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Danmei Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, People’s Republic of China
- Correspondence: Zuojiong Gong, Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, People’s Republic of China, Email
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Chen Q, Zhang Q, Cao P, Shi C, Zhang L, Wang L, Gong Z. NOD2-mediated HDAC6/NF-κb signalling pathway regulates ferroptosis induced by extracellular histone H3 in acute liver failure. J Cell Mol Med 2022; 26:5528-5538. [PMID: 36226351 DOI: 10.1111/jcmm.17582] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 09/21/2022] [Accepted: 09/28/2022] [Indexed: 11/29/2022] Open
Abstract
Acute liver failure (ALF) is life-threatening and often associated with high mortality rates. The aim of the present study was to investigate whether extracellular histone H3 could induce ferroptosis in hepatic macrophages in ALF and explore its potential mechanism. RAW264.7 macrophages and C57BL/6 mice were used in this study. LPS, D-galactosamine (D-Gal), histone H3, histone H3 antibody, NOD2 agonist Muramyl Dipeptide (MDP) and HDAC6-siRNA were administered in this study. The key molecules of ferroptosis, NOD2, HDAC6 and the NF-κb pathway, were detected. In vitro, histone H3 was released into the extracellular environment from cell nucleus after LPS exposure. In addition, histone H3 could induce ferroptosis in RAW264.7 macrophages with increased level of Fe2+ and ROS and decreased levels of GPX4 and GSH. MDP further aggravated ferroptosis in RAW264.7 macrophages stimulated by histone H3, which was accompanied by elevated NOD2, HDAC6, p-P65 and IκBα. HDAC6-siRNA ameliorated ferroptosis in RAW264.7 macrophages induced by histone H3, which was accompanied by decreased levels of HDAC6, p-P65 and IκBα. However, HDAC6-siRNA did not alter NOD2 levels in RAW264.7 macrophages administered histone H3. In vivo, the levels of NOD2, HDAC6 the NF-κb pathway and ferroptosis were increased in ALF mice, which were downregulated by histone H3 antibody and upregulated by histone H3. Extracellular histone H3 could induce ferroptosis in hepatic macrophages in ALF by regulating theNOD2-mediated HDAC6/NF-κb signalling pathway.
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Affiliation(s)
- Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qingqi Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Pan Cao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luyi Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
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Huang H, Gong Z. Characterization and differentiation of pollen lipidomes and proteomes from different intrafloral stamens in heterantherous Senna bicapsularis. Plant Biol (Stuttg) 2022; 24:998-1009. [PMID: 35880492 DOI: 10.1111/plb.13457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023]
Abstract
Numerous compounds in pollen can affect the foraging decision-making of bees. Clarification of phytochemical components and identification of key substances for bee foraging preference in pollen are essential steps for apiculture and developing a conservation strategy. Senna bicapsularis, a heterantherous plant that possesses three different stamen types in the same flower, among which bees forage selectively, provides us with an ideal research model for identification of potential substances of bee foraging preference. The lipid and protein compositions of pollen from the anthers of different stamens of S. bicapsularis were investigated and compared. The polyunsaturated fatty acids (PUFAs) and monounsaturated FAs (MUFAs) were highest among lipid molecules in pollen from short (S) stamens than from long (L) and medium (M) stamens. This result is consistent with the FA content measurement, showing the highest FAs and UFAs content in S pollen, especially α-linolenic acid. We inferred that α-linolenic acid might be one of the key substances for bee foraging preference in pollen. Moreover, proteomic analysis showed that several differentially expressed proteins involved in lipid biosynthesis were highly accumulated in S pollen, such as choline kinase 2, 3-oxoacyl-ACP synthase-like protein and choline/ethanolamine phosphotransferase 1, in line with the highest FA content of S pollen. Additionally, DEPs involved in 'starch and sucrose metabolism', 'phenylpropanoid biosynthesis' and 'cyanoamino acid metabolism' were more represented in S compared with L and M pollen. The study suggests that differences in proteomic and lipidomic profiling among the three different stamen types might affect foraging decision-making of bumblebees.
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Affiliation(s)
- H Huang
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, China
| | - Z Gong
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, China
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Shi C, Jiao F, Wang Y, Chen Q, Wang L, Gong Z. SIRT3 inhibitor 3-TYP exacerbates thioacetamide-induced hepatic injury in mice. Front Physiol 2022; 13:915193. [PMID: 35923224 PMCID: PMC9340259 DOI: 10.3389/fphys.2022.915193] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/29/2022] [Indexed: 11/28/2022] Open
Abstract
The purpose of the study was to explore the effects of SIRT3 inhibitor 3-TYP on acute liver failure (ALF) in mice and its underlying mechanism. The mice were treated with thioacetamide (TAA, 300 mg/kg) for inducing ALF model. 3-TYP (50 mg/kg) was administered 2 h prior to TAA. The liver histological changes were measured by HE staining. Blood samples were collected for analysis of alanine aminotransferase (ALT) and aspartate aminotransferase (AST). MDA and GSH were used to evaluate the oxidative stress of liver. The expression levels of inflammatory cytokines (TNF-α and IL-1β) were measured by ELISA and Western blotting. The cell type expression of IL-1β in liver tissue was detected by immunofluorescent staining. The expression of SIRT3, MnSOD, ALDH2, MAPK, NF-κB, Nrf2/HO-1, p-elF2α/CHOP, and cleaved caspase 3 was determined by Western blotting. TUNEL staining was performed to detect the apoptosis cells of liver tissues. 3-TYP exacerbated the liver injury of ALF mice. 3-TYP increased the inflammatory responses and activation of MAPK and NF-κB pathways. In addition, 3-TYP administration enhanced the damage of oxidative stress, endoplasmic reticulum stress, and promoted hepatocyte apoptosis in ALF mice. 3-TYP exacerbates thioacetamide-induced hepatic injury in mice. Activation of SIRT3 could be a promising target for the treatment of ALF.
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Affiliation(s)
- Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fangzhou Jiao
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
- *Correspondence: Zuojiong Gong,
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Gong Z, Yuan Z, Niu Y, Zhang X, Geng J, Wei S. CARBONATED BEVERAGES AFFECT LEVELS OF ANDROGEN RECEPTOR AND TESTOSTERONE SECRETION IN MICE. Acta Endocrinol (Buchar) 2022; 18:301-305. [PMID: 36699165 PMCID: PMC9867816 DOI: 10.4183/aeb.2022.301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Objectives This work aimed to study the influences of carbonated beverages (CBs) on the testis growth and the expression levels of androgen receptor (AR) of mice. Methods Two experimental groups of 30 mice each PEP-1 and PEP-2 drank 50% and 100% Pepsi-Cola, respectively for 15 days. Other 2 experimental groups of 30 mice each COC-1 and COC-2 drank 50% and 100% Coca-Cola, respectively for 15 days. The control group (CG) of 30 mice drank water. Bilateral testes were harvested aseptically on days 0, 5, 7, 10, 13 and 15. Real-time PCR and Western blot were implemented to detect levels of androgen receptor (AR) mRNA and protein in testis tissues. Results Testes masses of PEP-2, COC-1 and COC-2 were greater than those of PEP-1 and CG (P < 0.05). On day 15, testis longitudinal diameter (TLD) of CBs-treated mice was increased as compared to CG. TLD, testes transverse diameters (TTD) and AR proteins levels of PEP-2 and COC-2 were increased in comparison with CG (P<0.05). Serum testosterone concentrations of PEP-2 were higher than that of COC-1 and CG (P < 0.05). Levels of AR mRNAs of four CBs-treated mice were increased by 60.18%, 67.26%, 65.93% and 78.76%. Conclusions A high concentration of Coca-Cola and Pepsi-Cola could raise TLD and TDD, enhance testosterone secretion, and increase serum EGF concentrations.
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Affiliation(s)
- Z. Gong
- Northwest Minzu University, Affiliated Hospital, Lanzhou, China
| | - Z. Yuan
- Northwest Minzu University, Life Science and Engineering College, Lanzhou, China
| | - Y. Niu
- Northwest Minzu University, Life Science and Engineering College, Lanzhou, China
| | - X. Zhang
- Northwest Minzu University, Life Science and Engineering College, Lanzhou, China
| | - J. Geng
- Northwest Minzu University, Life Science and Engineering College, Lanzhou, China
| | - S. Wei
- Northwest Minzu University, Life Science and Engineering College, Lanzhou, China
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Lu Z, Gong Z, Wang H, Zhu M, Jiang H, Cao Y. P-382 Decrease of serum estradiol prior to human chorionic gonadotrophin administration have an impact on live birth in IVF/ICSI cycles. Hum Reprod 2022. [DOI: 10.1093/humrep/deac107.360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Study question
Whether decrease of serum estradiol prior to human chorionic gonadotrophin administration have an impact on live birth in IVF/ICSI cycles?
Summary answer
The E2 change before the day of hCG administration had significant correlation with live birth. The live birth rate decreased with decreasing serum E2 level.
What is known already
The objective of this study was to assess the effects of a decrease of estradiol (E2) levels on the day of human chorionic gonadotrophin (hCG) administration on in vitro fertilization /intracytoplasmic sperm injection (IVF/ICSI) outcomes, including cycles with long, antagonist and micro stimulus protocols.
Study design, size, duration
In this retrospective cohort study, 1303 patients who received IVF/ICSI non-donor treatment were identified. Patients were divided into two groups according to live birth and the characteristics of IVF/ICSI cycles were compared between groups, including baseline infertility parameters, ovarian stimulation characteristics and embryo laboratory manipulation parameters.
Participants/materials, setting, methods
In this retrospective cohort study, 1303 patients who received IVF/ICSI non-donor treatment were identified. Patients were divided into two groups according to live birth and the characteristics of IVF/ICSI cycles were compared between groups, including baseline infertility parameters, ovarian stimulation characteristics and embryo laboratory manipulation parameters. The multivariate logistic regression model was performed to adjust potential confounders and assess correlation between E2 dynamics before hCG administration and live birth.
Main results and the role of chance
Our results revealed that patients without live birth had higher age (32.13 ± 4.33 vs. 30.21 ± 3.71, P < 0.001) and pervious miscarriages (0.57 ± 0.95 vs. 0.46 ± 0.83, P = 0.0295), while had lower number of oocytes retrieved (8.95 ± 4.69 vs. 12.36 ± 5.54, P < 0.001), day of hCG E2 (8269.53 ± 4104.22 vs. 9580.71 ± 3534.11, P < 0.001) and endometrium thickness (10.37 ± 3.66 vs. 11.50 ± 3.40, P < 0.001) compared with patients with live birth. Additionally, the multivariate logistic regression analysis displayed significant impact of serum E2 change on the live birth, and the achievement of live birth [OR (95%CI) 0.81 (0.71, 0.92), P = 0.001] decreased with the decreasing level of serum E2 before hCG trigger day. Estradiol stratification analyses displayed the OR and 95% CI for the association between △E2 and live birth among patients with different levels of estradiol decline (<25%, 25%–50%, 50%–75%, >75%). Compared with the <25% decline and 25%–50% decline groups, the ORs of 50%–75% and >75% decline groups were 1.66 (95% CI: 1.12-2.45, P = 0.012) and 2.00 (95% CI: 1.39-2.89, P < 0.001), respectively, after adjusting potential confounders.
Limitations, reasons for caution
There was concealment of randomization and blinding of outcome assessments reducing the risk of selection and measurement bias.
Wider implications of the findings
In summary, the E2 change before the day of hCG administration had significant correlation with live birth, and the live birth decreased with the decreasing level of serum E2 before hCG trigger day. The patients with a greater decline in the E2 level more likely to had poor clinical outcomes.
Trial registration number
Chi CTR1900026088
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Affiliation(s)
- Z Lu
- The First Affiliated Hospital of Anhui Medical University, Reproductive Medicine Center- Department of Obstetrics and Gynecology , Hefei, China
| | - Z Gong
- The First Affiliated Hospital of Anhui Medical University, Reproductive Medicine Center- Department of Obstetrics and Gynecology , Hefei, China
| | - H Wang
- The First Affiliated Hospital of Anhui Medical University, Reproductive Medicine Center- Department of Obstetrics and Gynecology , Hefei, China
| | - M Zhu
- The First Affiliated Hospital of Anhui Medical University, Reproductive Medicine Center- Department of Obstetrics and Gynecology , Hefei, China
| | - H Jiang
- The First Affiliated Hospital of Anhui Medical University, Reproductive Medicine Center- Department of Obstetrics and Gynecology , Hefei, China
| | - Y Cao
- The First Affiliated Hospital of Anhui Medical University, Reproductive Medicine Center- Department of Obstetrics and Gynecology , Hefei, China
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Cao P, Chen Q, Shi C, Wang L, Gong Z. Fusobacterium nucleatum promotes the development of acute liver failure by inhibiting the NAD + salvage metabolic pathway. Gut Pathog 2022; 14:29. [PMID: 35765030 PMCID: PMC9238040 DOI: 10.1186/s13099-022-00503-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 06/01/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Acute liver failure (ALF) patients are often accompanied by severe energy metabolism abnormalities and intestinal microecological imbalance. The intestinal mucosal barrier is severely damaged. Intestinal endotoxin can induce intestinal endotoxemia through the "Gut-Liver axis". More and more evidence shows that members of the gut microbiota, especially Fusobacterium nucleatum (F. nucleatum), are related to inflammatory bowel disease, but whether F. nucleatum is involved in the development of ALF and whether it affects the liver energy metabolism is unclear. METHODS This study first detected the abundance of F. nucleatum and its effect on ALF disease, and explored whether F. nucleatum aggravated liver inflammation in vitro and in vivo. RESULTS Our data showed that liver tissues of ALF patients contained different abundances of F. nucleatum, which were related to the degree of liver inflammation. In addition, we found that F. nucleatum infection affected the energy metabolism of the liver during the development of ALF, inhibited the synthesis pathway of nicotinamide adenine dinucleotide (NAD+)'s salvage metabolism, and promoted inflammatory damage in the liver. In terms of mechanism, F. nucleatum inhibited NAD+ and the NAD+-dependent SIRT1/AMPK signaling pathway, and promoted liver damage of ALF. CONCLUSIONS Fusobacterium nucleatum coordinates a molecular network including NAD+ and SIRT1 to control the progress of ALF. Detection and targeting of F. nucleatum and its related pathways may provide valuable insights for the treatment of ALF.
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Affiliation(s)
- Pan Cao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jie Fang Road, Wuhan, 430060, People's Republic of China
| | - Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jie Fang Road, Wuhan, 430060, People's Republic of China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jie Fang Road, Wuhan, 430060, People's Republic of China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jie Fang Road, Wuhan, 430060, People's Republic of China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jie Fang Road, Wuhan, 430060, People's Republic of China.
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Shi C, Pei M, Wang Y, Chen Q, Cao P, Zhang L, Guo J, Deng W, Wang L, Li X, Gong Z. Changes of flavin-containing monooxygenases and trimethylamine-N-oxide may be involved in the promotion of non-alcoholic fatty liver disease by intestinal microbiota metabolite trimethylamine. Biochem Biophys Res Commun 2022; 594:1-7. [PMID: 35065293 DOI: 10.1016/j.bbrc.2022.01.060] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [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: 01/06/2022] [Revised: 01/07/2022] [Accepted: 01/15/2022] [Indexed: 11/17/2022]
Abstract
Evidence shows that trimethylamine (TMA)/trimethylamine-N-oxide (TMAO) is closely related to non-alcoholic fatty liver disease (NAFLD). The conversion of TMA to TMAO is mainly catalyzed by flavin-containing monooxygenases 3 (FMO3) and FMO1. In this study, we explored the role of TMA in the process of NAFLD. The human NAFLD liver puncture data set GSE89632 and rat TMAO gene chip GSE135856 was downloaded for gene differential expression analysis. Besides, oleic acid (OA) combined with palmitate were used to establish high-fat cell model. TMA, TMAO and FMO1-siRNA were used to stimulate L02 cells. Contents of free fatty acid (FFA), triglyceride (TG), TMAO, FMO1 and unfolded protein response (UPR) related proteins GRP78, XBP1, Derlin-1 were detected. Our results showed that FMO1 and PEG10 were important in the progression of NAFLD. Immunohistochemistry showed that FMO1 in NAFLD liver was increased. In addition, the contents of FFA, TG, FMO1 expression, and TMAO were significantly increased after OA + palmitate and TMA stimulation. However, after silencing FMO1 with siRNA, the expressions of these molecules were decreased. Besides, the protein levels of GRP78, XBP1, Derlin-1 were increased after TMAO treatment (all P < 0.05). In Conclusion, high fat and TMA could induce the expression of FMO1 and its metabolite TMAO. When FMO1 is silenced, the effects of high fat and TMA on TMAO are blocked. And the role of TMAO in NAFLD may be through the activation of UPR.
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Affiliation(s)
- Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Pan Cao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Luyi Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Jin Guo
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Wei Deng
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China
| | - Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China.
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, 430060, Wuhan, China.
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Gong Z, Da W, Tian Y, Zhao R, Qiu S, Wu Q, Wen K, Shen L, Zhou R, Tao L, Zhu Y. Exogenous melatonin prevents type 1 diabetes mellitus-induced bone loss, probably by inhibiting senescence. Osteoporos Int 2022; 33:453-466. [PMID: 34519833 PMCID: PMC8813725 DOI: 10.1007/s00198-021-06061-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 06/30/2021] [Indexed: 12/31/2022]
Abstract
UNLABELLED Exogenous melatonin inhibited the senescence of preosteoblast cells in type 1 diabetic (T1D) mice and those cultured in high glucose (HG) by multiple regulations. Exogenous melatonin had a protective effect on diabetic osteoporosis, which may depend on the inhibition of senescence. INTRODUCTION Senescence is thought to play an important role in the pathophysiological mechanisms underlying diabetic bone loss. Increasing evidence has shown that melatonin exerts anti-senescence effects. In this study, we investigated whether melatonin can inhibit senescence and prevent diabetic bone loss. METHODS C57BL/6 mice received a single intraperitoneal injection of 160 mg/kg streptozotocin, followed by the oral administration of melatonin or vehicle for 2 months. Then, tissues were harvested and subsequently examined. MC3T3-E1 cells were cultured under HG conditions for 7 days and then treated with melatonin or not for 24 h. Sirt1-specific siRNAs and MT1- or MT2-specific shRNA plasmids were transfected into MC3T3-E1 cells for mechanistic study. RESULTS The total protein extracted from mouse femurs revealed that melatonin prevented senescence in T1D mice. The micro-CT results indicated that melatonin prevented bone loss in T1D mice. Cellular experiments indicated that melatonin administration prevented HG-induced senescence, whereas knockdown of the melatonin receptors MT1 or MT2 abolished these effects. Sirt1 expression was upregulated by melatonin administration but significantly reduced after MT1 or MT2 was knocked down. Knockdown of Sirt1 blocked the anti-senescence effects of melatonin. Additionally, melatonin promoted the expression of CDK2, CDK4, and CyclinD1, while knockdown of MT1 or MT2 abolished these effects. Furthermore, melatonin increased the expression of the polycomb repressive complex (PRC), but knockdown of MT1 or MT2 abolished these effects. Furthermore, melatonin increased the protein levels of Sirt1, PRC1/2 complex-, and cell cycle-related proteins. CONCLUSION This work shows that melatonin protects against T1D-induced bone loss, probably by inhibiting senescence. Targeting senescence in the investigation of diabetic osteoporosis may lead to novel discoveries.
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Affiliation(s)
- Z Gong
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - W Da
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Y Tian
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - R Zhao
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - S Qiu
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Q Wu
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - K Wen
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - L Shen
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - R Zhou
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China
| | - L Tao
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China.
| | - Y Zhu
- Department of Orthopedics, The First Hospital of China Medical University, Shenyang, 110001, China.
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Wu G, Wang H, Zhao C, Cao C, Chai C, Huang L, Guo Y, Gong Z, Tirschwell D, Zhu C, Xia S. Large Culprit Plaque and More Intracranial Plaques Are Associated with Recurrent Stroke: A Case-Control Study Using Vessel Wall Imaging. AJNR Am J Neuroradiol 2022; 43:207-215. [PMID: 35058299 PMCID: PMC8985671 DOI: 10.3174/ajnr.a7402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 11/02/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND AND PURPOSE Intracranial atherosclerotic plaque features are potential factors associated with recurrent stroke, but previous studies only focused on a single lesion, and few studies investigated them with perfusion impairment. This study aimed to investigate the association among whole-brain plaque features, perfusion deficit, and stroke recurrence. MATERIALS AND METHODS Patients with ischemic stroke due to intracranial atherosclerosis were retrospectively collected and categorized into first-time and recurrent-stroke groups. Patients underwent high-resolution vessel wall imaging and DSC-PWI. Intracranial plaque number, culprit plaque features (such as plaque volume/burden, degree of stenosis, enhancement ratio), and perfusion deficit variables were recorded. Logistic regression analyses were performed to determine the independent factors associated with recurrent stroke. RESULTS One hundred seventy-five patients (mean age, 59 [SD, 12] years; 115 men) were included. Compared with the first-time stroke group (n = 100), the recurrent-stroke group (n = 75) had a larger culprit volume (P = .006) and showed more intracranial plaques (P < .001) and more enhanced plaques (P = .003). After we adjusted for other factors, culprit plaque volume (OR, 1.16 per 10-mm3 increase; 95% CI, 1.03-1.30; P = .015) and total plaque number (OR, 1.31; 95% CI, 1.13-1.52; P < .001) were independently associated with recurrent stroke. Combining these factors increased the area under the curve to 0.71. CONCLUSIONS Large culprit plaque and more intracranial plaques were independently associated with recurrent stroke. Performing whole-brain vessel wall imaging may help identify patients with a higher risk of recurrent stroke.
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Affiliation(s)
- G. Wu
- From The School of Medicine (G.W., H.W.), Nankai University, Tianjin, China
| | - H. Wang
- From The School of Medicine (G.W., H.W.), Nankai University, Tianjin, China
| | - C. Zhao
- Department of Radiology (C. Zhao), First Central Clinical College, Tianjin Medical University, Tianjin, China
| | - C. Cao
- Department of Radiology (C. Cao), Tianjin Huanhu Hospital, Tianjin, China
| | - C. Chai
- Department of Radiology (C. Chai, L.H., Y.G., S.X.)
| | - L. Huang
- Department of Radiology (C. Chai, L.H., Y.G., S.X.)
| | - Y. Guo
- Department of Radiology (C. Chai, L.H., Y.G., S.X.)
| | - Z. Gong
- Neurology (Z.G.), Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China
| | | | - C. Zhu
- Radiology (C. Zhu), University of Washington, Seattle, Washington
| | - S. Xia
- Department of Radiology (C. Chai, L.H., Y.G., S.X.)
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Ding L, Zhou R, Yuan Y, Yang H, Li J, Yu T, Liu C, Wang J, Li S, Gao H, Deng Z, Li N, Wang Z, Gong Z, Liu G, Xie J, Wang S, Rong Z, Deng D, Wang X, Han S, Wan W, Richter L, Huang L, Gou S, Liu Z, Yu H, Jia Y, Chen B, Dang Z, Zhang K, Li L, He X, Liu S, Di K. A 2-year locomotive exploration and scientific investigation of the lunar farside by the Yutu-2 rover. Sci Robot 2022; 7:eabj6660. [PMID: 35044796 DOI: 10.1126/scirobotics.abj6660] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The lunar nearside has been investigated by many uncrewed and crewed missions, but the farside of the Moon remains poorly known. Lunar farside exploration is challenging because maneuvering rovers with efficient locomotion in harsh extraterrestrial environment is necessary to explore geological characteristics of scientific interest. Chang'E-4 mission successfully targeted the Moon's farside and deployed a teleoperated rover (Yutu-2) to explore inside the Von Kármán crater, conveying rich information regarding regolith, craters, and rocks. Here, we report mobile exploration on the lunar farside with Yutu-2 over the initial 2 years. During its journey, Yutu-2 has experienced varying degrees of mild slip and skid, indicating that the terrain is relatively flat at large scales but scattered with local gentle slopes. Cloddy soil sticking on its wheels implies a greater cohesion of the lunar soil than encountered at other lunar landing sites. Further identification results indicate that the regolith resembles dry sand and sandy loam on Earth in bearing properties, demonstrating greater bearing strength than that identified during the Apollo missions. In sharp contrast to the sparsity of rocks along the traverse route, small fresh craters with unilateral moldable ejecta are abundant, and some of them contain high-reflectance materials at the bottom, suggestive of secondary impact events. These findings hint at notable differences in the surface geology between the lunar farside and nearside. Experience gained with Yutu-2 improves the understanding of the farside of the Moon, which, in return, may lead to locomotion with improved efficiency and larger range.
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Affiliation(s)
- L Ding
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - R Zhou
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - Y Yuan
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - H Yang
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - J Li
- Beijing Aerospace Control Center, Beijing 100094, China
| | - T Yu
- Beijing Aerospace Control Center, Beijing 100094, China
| | - C Liu
- Beijing Aerospace Control Center, Beijing 100094, China.,Key Laboratory of Science and Technology on Aerospace Flight Dynamics, Beijing 100094, China
| | - J Wang
- Beijing Aerospace Control Center, Beijing 100094, China
| | - S Li
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - H Gao
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - Z Deng
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - N Li
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - Z Wang
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - Z Gong
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - G Liu
- Department of Aerospace Engineering, Ryerson University, Toronto, ON M5B 2K3, Canada
| | - J Xie
- Beijing Aerospace Control Center, Beijing 100094, China
| | - S Wang
- Beijing Aerospace Control Center, Beijing 100094, China
| | - Z Rong
- Beijing Aerospace Control Center, Beijing 100094, China
| | - D Deng
- Beijing Aerospace Control Center, Beijing 100094, China
| | - X Wang
- Beijing Aerospace Control Center, Beijing 100094, China.,Key Laboratory of Science and Technology on Aerospace Flight Dynamics, Beijing 100094, China
| | - S Han
- Beijing Aerospace Control Center, Beijing 100094, China
| | - W Wan
- State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China
| | - L Richter
- Large Space Structures GmbH, Hauptstrasse 1, D-85386 Eching, Germany
| | - L Huang
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - S Gou
- State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China
| | - Z Liu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - H Yu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China
| | - Y Jia
- China Academy of Space Technology, Beijing 100094, China
| | - B Chen
- China Academy of Space Technology, Beijing 100094, China
| | - Z Dang
- China Academy of Space Technology, Beijing 100094, China
| | - K Zhang
- Beijing Aerospace Control Center, Beijing 100094, China
| | - L Li
- Beijing Aerospace Control Center, Beijing 100094, China
| | - X He
- Beijing Aerospace Control Center, Beijing 100094, China
| | - S Liu
- Beijing Aerospace Control Center, Beijing 100094, China
| | - K Di
- State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China
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20
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Wei L, Zhao T, Zhang J, Mao Q, Gong G, Sun Y, Chen Y, Wang M, Tan D, Gong Z, Li B, Niu J, Li S, Gong H, Zou L, Zhou W, Jia Z, Tang Y, Fei L, Hu Y, Shang X, Han J, Zhang B, Wu Y. Efficacy and safety of a nanoparticle therapeutic vaccine in patients with chronic hepatitis B: A randomized clinical trial. Hepatology 2022; 75:182-195. [PMID: 34396571 DOI: 10.1002/hep.32109] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 06/28/2021] [Accepted: 07/31/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIM HBV DNA can be reduced using antiviral drugs in patients with chronic hepatitis B (CHB); however, the rate of HBeAg seroconversion remains low. A clinical trial was conducted to assess the efficacy and safety of a de novo designed liposome-based nanoparticle lipopeptide vaccine, εPA-44, for CHB. APPROACH AND RESULTS A two-stage phase 2 trial, which included a 76-week, randomized, double-blind, placebo-controlled trial (stage 1) and a 68-week open-label extension (stage 2), was conducted in 15 centers across China (Clinicaltrials.gov No. NCT00869778). In stage 1, 360 human leukocyte antigen A2 (HLA-A2)-positive and HBeAg-positive patients were randomly and equally distributed to receive six subcutaneous injections of 600 µg or 900 µg εPA-44 or placebo at week 0, 4, 8, 12, 20, and 28. In stage 2, 183 patients received extended 900 µg εPA-44, and 26 patients were observed for relapse without further treatment. The primary endpoint was the percentage of patients with HBeAg seroconversion at week 76. At week 76, patients receiving 900 µg εPA-44 achieved significantly higher HBeAg seroconversion rate (38.8%) versus placebo (20.2%) (95% CI, 6.9-29.6%; p = 0.002). With a combined endpoint of HBeAg seroconversion, alanine aminotransferase normalization and HBV DNA < 2,000 IU/mL, both 900 µg (18.1%) and 600 µg (14.3%), resulted in significantly higher rate versus placebo (5.0%) (p = 0.002 and p = 0.02, respectively) at week 76. In stage 2, none (0 of 20) of 900 µg εPA-44-treated patients experienced serologic relapse. The safety profile of εPA-44 was comparable to that of placebo. CONCLUSIONS Among HLA-A2-positive patients with progressive CHB, a finite duration of 900 µg εPA-44 monotherapy resulted in significantly higher HBeAg seroconversion rate than placebo and sustained off-treatment effect. A phase 3 trial is ongoing (ChiCTR2100043708).
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Affiliation(s)
- Lai Wei
- Peking University People's Hospital, Peking University Hepatology institute, Beijing, China
| | - Tingting Zhao
- Chongqing International Institute for Immunology, Chongqing, China
| | - Ji Zhang
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Qing Mao
- Infectious Diseases Institute of PLA, Southwest Hospital, Army Medical University, Chongqing, China
| | - Guozhong Gong
- Infectious Diseases Department, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yongtao Sun
- Infectious Diseases Department, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yongping Chen
- Infectious Diseases Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Maorong Wang
- Infectious Diseases Department, The 81th Hospital of PLA, Nanjing, China
| | - Deming Tan
- Infectious Diseases Department, Xiangya Hospital of Central South University, Changsha, China
| | - Zuojiong Gong
- Infectious Diseases Department, Renmin Hospital of Wuhan University, Wuhan, China
| | - Baosen Li
- Infectious Diseases Department, 302 Military Hospital, Beijing, China
| | - Junqi Niu
- Infectious Diseases Department, The First Hospital of Jilin University, Changchun, China
| | - Shuchen Li
- Infectious Diseases Department, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Huanyu Gong
- Infectious Diseases Department, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Liyun Zou
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Wei Zhou
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Zhengcai Jia
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Yan Tang
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Lei Fei
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Yang Hu
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Xiaoyun Shang
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Junfeng Han
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
| | - Bei Zhang
- Department of Immunology, Medical College of Qingdao University, Qingdao, China
| | - Yuzhang Wu
- Institute of Immunology, PLA, Army Medical University, Chongqing, China
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21
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Lin Q, Lun J, Zhang J, He X, Gong Z, Gao X, Cao H. [Gut microbiome composition in pre-adolescent children with different meat consumption patterns]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:1801-1088. [PMID: 35012911 DOI: 10.12122/j.issn.1673-4254.2021.12.07] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To compare the composition of gut microbiome in pre-adolescent children with different meat consumption patterns. METHODS This study was conducted among 44 healthy school-age children (age range 8-10 years) in Shenzhen. According to the monthly intake frequency ratio of white meat and red meat, the children were divided into red-meat group (n=15), balanced group (n=16) and white-meat group (n=13). The Food Frequency Questionnaire (FFQ) was used to investigate the children's diet, and samples of morning feces were collected to study the gut microbiome. The fecal DNA was extracted and amplified, and the composition of the intestinal microbiome of the children was analyzed using Illumina Miseq high-throughput sequencing. RESULTS The children in red meat and white meat groups showed significantly lower abundance and diversity of gut microbiota than those with a balanced diet (P < 0.05). LEfSe analysis of the genus in the fecal samples showed that Escherichia-Shigella, Coprobacillus and Peptoniphilus were enriched in red-meat group and Holdemanella was enriched in the white-meat group as compared with the balanced group. In the samples of the balanced group, 31 and 25 genus (such as Laurespirillum and Rumenococcus) were significantly enriched as compared with the samples of the red-meat group and the white-meat group, respectively. Prediction of the gut microbiota KEGG pathway using PICRUSt2 suggested that compared with that in the balanced group, the gut microbiota in red-meat group had significant activation of the pathways involving lipopolysaccharide biosynthesis (P < 0.01), arachidonic acid metabolism (P < 0.01), thyroid hormone synthesis (P < 0.001), and carbohydrate digestion and absorption (P < 0.05). But compared with the white-meat group, the red-meat group showed only significant activation of the pathways of arachidonic acid metabolism (P < 0.05) and thyroid hormone synthesis (P < 0.05). CONCLUSION The preference of red meat and white meat consumption may significantly reduce the abundance and diversity of gut microbiota in pre-adolescent children. A red meat-rich diet may cause enrichment of Escherichia-Shigella and significant activation of lipopolysaccharide biosynthesis pathway, suggesting the potential benefit of a balanced diet for pre-adolescent children.
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Affiliation(s)
- Q Lin
- Department of Microbiology, Guangdong Provincial Key Laboratory of Tropical Diseases Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - J Lun
- Department of Microbiology, Guangdong Provincial Key Laboratory of Tropical Diseases Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - J Zhang
- Department of Rehabilitation Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - X He
- Department of Microbiology, Guangdong Provincial Key Laboratory of Tropical Diseases Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Z Gong
- Department of Microbiology, Guangdong Provincial Key Laboratory of Tropical Diseases Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - X Gao
- Department of Microbiology, Guangdong Provincial Key Laboratory of Tropical Diseases Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - H Cao
- Department of Microbiology, Guangdong Provincial Key Laboratory of Tropical Diseases Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
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22
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Li X, Hong J, Wang Y, Pei M, Wang L, Gong Z. Trimethylamine-N-Oxide Pathway: A Potential Target for the Treatment of MAFLD. Front Mol Biosci 2021; 8:733507. [PMID: 34660695 PMCID: PMC8517136 DOI: 10.3389/fmolb.2021.733507] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 09/22/2021] [Indexed: 01/14/2023] Open
Abstract
Trimethylamine-N-oxide (TMAO) is a molecular metabolite derived from the gut flora, which has recently emerged as a candidate risk factor for metabolic dysfunction-associated fatty liver disease (MAFLD). TMAO is mainly derived from gut, where the gut microbiota converts TMA precursors into TMA, which is absorbed into the bloodstream through the intestinal mucosa, and then transformed into TMAO by hepatic flavin monooxygenases (FMOs) in the liver. High-nutrient diets rich in TMA precursors, such as red meat, eggs, and fish, are the main sources of TMAO. Excessively consuming such diets not only directly affects energy metabolism in liver, but also increases the concentration of TMAO in plasma, which promotes the development of MAFLD by affecting bile acid metabolism, unfolded protein response, and oxidative stress. In this review, we focused on the relationship between TMAO and MAFLD and summarized intervention strategies for reducing circulating TMAO concentration, aiming at providing new targets for the prevention and treatment of MAFLD.
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Affiliation(s)
- Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jia Hong
- Department of Obstetrics and Gynaecology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
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23
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Chen Q, Wang Y, Jiao F, Cao P, Shi C, Pei M, Wang L, Gong Z. HDAC6 inhibitor ACY1215 inhibits the activation of NLRP3 inflammasome in acute liver failure by regulating the ATM/F-actin signalling pathway. J Cell Mol Med 2021; 25:7218-7228. [PMID: 34180140 PMCID: PMC8335684 DOI: 10.1111/jcmm.16751] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/10/2021] [Accepted: 06/09/2021] [Indexed: 02/06/2023] Open
Abstract
Acute liver failure (ALF) is a rare and critical medical condition. This study was designed to investigate the protective effects and underlying mechanism of ACY1215 in ALF mice. Our findings suggested that ACY1215 treatment ameliorates the pathological hepatic damage of ALF and decreases the serum levels of ALT and AST. Furthermore, ACY1215 pretreatment increased the level of ATM, γ‐H2AX, Chk2, p53, p21, F‐actin and vinculin in ALF. Moreover, ACY1215 inhibited the level of NLRP3, ASC, caspase‐1, IL‐1β and IL‐18 in ALF. The ATM inhibitor KU55933 could decrease the level of ATM, γ‐H2AX, Chk2, p53, p21, F‐actin and vinculin in ALF with ACY1215 pretreatment. The F‐actin inhibitor cytochalasin B decreased the level of F‐actin and vinculin in ALF with ACY1215 pretreatment. However, cytochalasin B had no effect on protein levels of ATM, Chk2, p53 and p21 in ALF with ACY1215 pretreatment. Cytochalasin B could dramatically increase the level of NLRP3, ASC, caspase‐1, IL‐1β and IL‐18 in ALF with ACY1215 pretreatment. These results indicated that ACY1215 exhibited hepatoprotective properties, which was associated with the inhibition of NLRP3 inflammasome, and this effect of ACY1215 was connected with upregulation of the ATM/F‐actin mediated signalling pathways.
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Affiliation(s)
- Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
| | - Fangzhou Jiao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
| | - Pan Cao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, China
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24
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Wang Y, Li X, Chen Q, Jiao F, Shi C, Pei M, Wang L, Gong Z. The relationship between liver pathological inflammation degree and pyroptosis in chronic hepatitis B patients. J Med Virol 2021; 93:6229-6235. [PMID: 34061368 DOI: 10.1002/jmv.27114] [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: 01/15/2021] [Revised: 05/14/2021] [Accepted: 05/29/2021] [Indexed: 11/06/2022]
Abstract
The aim of this study is to explore the relationship between liver pathological inflammation degree and pyroptosis in patients with chronic hepatitis B (CHB). One hundred and twenty CHB patients' liver tissue samples, including A0-A3 inflammatory grades, were selected. Six tissue sections were selected for each indicator in each inflammation grade. The results of immunohistochemical analysis on the pyroptosis-related molecules (NLRP3, GSDMD, caspase1, interleukin [IL]-1β, and IL-18) were determined. The correlation between the pyroptosis-related molecules and liver inflammatory activities was analyzed. The expression of NLRP3, GSDMD, caspase1, IL-18, and IL-1β was respectively significantly positively correlated with the grade of inflammatory activity (rs = 0.690, p < 0.01; rs = 0.681, p < 0.01; rs = 0.540, p < 0.01; rs = 0.725, p < 0.01; rs = 0.663, p < 0.01) and linear relationship (χ2 = 56.763, p < 0.01; χ2 = 55.350, p < 0.01; χ2 = 34.776, p < 0.01; χ2 = 62.523, p < 0.01; χ2 = 52.521, p < 0.01) in liver tissue. The high expression of NLRP3, GSDMD, caspase1, IL-1β, and IL-18 may be involved in the process of liver tissue inflammation and damage, which is positively correlated with liver tissue inflammation in patients with CHB.
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Affiliation(s)
- Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fangzhou Jiao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
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25
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Zeller AN, Selle M, Gong Z, Winkelmann M, Krettek C, Bundkirchen K, Neunaber C, Noack S. Osteoporosis is accompanied by reduced CD274 expression in human bone marrow-derived mesenchymal stem cells. Eur Cell Mater 2021; 41:603-615. [PMID: 34056703 DOI: 10.22203/ecm.v041a39] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Underlying pathomechanisms of osteoporosis are still not fully elucidated. Cell-based therapy approaches pose new possibilities to treat osteoporosis and its complications. The aim of this study was to quantify differences in human bone marrow-derived mesenchymal stem cells (hBMSCs) between healthy donors and those suffering from clinically manifest osteoporosis. Cell samples of seven donors for each group were selected retrospectively from the hBMSC cell bank of the Trauma Department of Hannover Medical School. Cells were evaluated for their adipogenic, osteogenic and chondrogenic differentiation potential, for their proliferation potential and expression of surface antigens. Furthermore, a RT2 Osteoporosis Profiler PCR array, as well as quantitative real-time PCR were carried out to evaluate changes in gene expression. Cultivated hBMSCs from osteoporotic donors showed significantly lower cell surface expression of CD274 (4.98 % ± 2.38 %) than those from the control group (26.03 % ± 13.39 %; p = 0.007), as assessed by flow cytometry. In osteoporotic patients, genes involved in inhibition of the anabolic WNT signalling pathway and those associated with stimulation of bone resorption were significantly upregulated. Apart from these changes, no significant differences were found for the other cell surface antigens, adipogenic, osteogenic and chondrogenic differentiation ability as well as proliferation potential. These findings supported the theory of an influence of CD274 on the regulation of bone metabolism. CD274 might be a promising target for further investigations of the pathogenesis of osteoporosis and of cell-based therapies involving MSCs.
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Affiliation(s)
- A-N Zeller
- Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover,
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26
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Swinkels PJM, Stuij SG, Gong Z, Jonas H, Ruffino N, Linden BVD, Bolhuis PG, Sacanna S, Woutersen S, Schall P. Revealing pseudorotation and ring-opening reactions in colloidal organic molecules. Nat Commun 2021; 12:2810. [PMID: 33990609 PMCID: PMC8121934 DOI: 10.1038/s41467-021-23144-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 04/12/2021] [Indexed: 11/16/2022] Open
Abstract
Colloids have a rich history of being used as 'big atoms' mimicking real atoms to study crystallization, gelation and the glass transition of condensed matter. Emulating the dynamics of molecules, however, has remained elusive. Recent advances in colloid chemistry allow patchy particles to be synthesized with accurate control over shape, functionality and coordination number. Here, we show that colloidal alkanes, specifically colloidal cyclopentane, assembled from tetrameric patchy particles by critical Casimir forces undergo the same chemical transformations as their atomic counterparts, allowing their dynamics to be studied in real time. We directly observe transitions between chair and twist conformations in colloidal cyclopentane, and we elucidate the interplay of bond bending strain and entropy in the molecular transition states and ring-opening reactions. These results open the door to investigate complex molecular kinetics and molecular reactions in the high-temperature classical limit, in which the colloidal analogue becomes a good model.
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Affiliation(s)
- P J M Swinkels
- Institute of Physics, University of Amsterdam, Amsterdam, The Netherlands
| | - S G Stuij
- Institute of Physics, University of Amsterdam, Amsterdam, The Netherlands
| | - Z Gong
- Molecular Design Institute, Department of Chemistry, New York University, New York, NY, USA
| | - H Jonas
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - N Ruffino
- Institute of Physics, University of Amsterdam, Amsterdam, The Netherlands
| | - B van der Linden
- Institute of Physics, University of Amsterdam, Amsterdam, The Netherlands
| | - P G Bolhuis
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - S Sacanna
- Molecular Design Institute, Department of Chemistry, New York University, New York, NY, USA
| | - S Woutersen
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - P Schall
- Institute of Physics, University of Amsterdam, Amsterdam, The Netherlands.
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27
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Wang Y, Li X, Chen Q, Jiao F, Shi C, Pei M, Wang L, Gong Z. Histone Deacetylase 6 Regulates the Activation of M1 Macrophages by the Glycolytic Pathway During Acute Liver Failure. J Inflamm Res 2021; 14:1473-1485. [PMID: 33883923 PMCID: PMC8055295 DOI: 10.2147/jir.s302391] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/18/2021] [Indexed: 12/19/2022] Open
Abstract
Background The glycolysis pathway of M1 macrophages is a key factor affecting the inflammatory response. The aim of this article is to investigate the role of histone deacetylase 6 (HDAC6) in the M1 macrophage glycolysis pathway during acute liver failure (ALF). Methodology Targeted metabolomics for quantitative analysis of energy metabolites technology was used to detect the characteristics of energy metabolism for 8 ALF patients and 8 normal volunteers. The ALF mice model was intervened with HDAC6 inhibitor ACY-1215. iTRAQ/TMT quantitative proteomics was used to detect protein expression in livers in different mice groups. The liver function, energy metabolites, M1 macrophages, cytokines, and pathological structure, DDX3X, NLRP3 and DNMT1 in liver tissue were detected. The changes of the above molecules were verified in cell groups. Results ALF patients and mice have significant energy metabolism disorders, accompanied by activation of M1 macrophages. After the intervention of ACY-1215, the activated M1 macrophages and cytokines levels in the mouse liver were reduced. The levels of IDH1, MDH1, and ATP were significantly increased. The expression of DDX3X increased, while the expression of NLRP3 and DNMT1 decreased. ACY-1215 could reduce the model cell apoptosis level and inflammatory response, and improve energy metabolism. It could also promote the expression of DDX3X, and inhibit the expression of NLRP3 and DNMT1. Conclusion ACY-1215 could inhibit the activation of M1 macrophages by improving the glycolytic pathway through regulating DNMT1 and DDX3X/NLRP3 signals to alleviate ALF.
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Affiliation(s)
- Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Fangzhou Jiao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
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Jia M, Xu Y, Shao B, Guo Z, Hu L, Pataer P, Abass K, Ling B, Gong Z. Diagnostic magnetic resonance imaging in synovial chondromatosis of the temporomandibular joint. Br J Oral Maxillofac Surg 2021; 60:140-144. [PMID: 34848098 DOI: 10.1016/j.bjoms.2021.02.024] [Citation(s) in RCA: 3] [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: 01/19/2021] [Accepted: 02/16/2021] [Indexed: 10/21/2022]
Abstract
The aim of this paper was to investigate the clinical and magnetic resonance imaging (MRI) features of synovial chondromatosis (SC) of the temporomandibular joint (TMJ). Fourteen patients with SC of the TMJ were included in the study. Clinical and MRI features were analysed and divided into three types based on MRI classification: type I with loose bodies, type II with homogeneous masses, and type III with a mixture of loose bodies and homogeneous masses. All SCs occurred in the superior compartment of the TMJ. There were two patients (14%) categorised as type I, five (36%) as type II and seven (50%) as type III. Four patients (29%) had disc perforation, and nine had bone erosion; among those nine, seven (78%) had type III and two (22%) type II. Histological examination showed inflammation and calcification in the synovial membrane and, and cartilage of the hyaline type in all cases. MRI has advantages in the diagnosis of SC.
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Affiliation(s)
- M Jia
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - Y Xu
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - B Shao
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - Z Guo
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - L Hu
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - P Pataer
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - K Abass
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - B Ling
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China
| | - Z Gong
- Oncological Department of Oral & Maxillofacial Surgery, the First Affiliated Hospital (the Affiliated Stomatological Hospital) of Xinjiang Medical University, Xinjiang Uygur Autonomous Region Institute of Stomatology, No. 137 Li YuShan South Road, Urumqi, Xinjiang, China.
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Gong Z, Wang H, Lin Z. Glycine substitution mutation of COL5A1 in classic Ehlers-Danlos syndrome: a case report and literature review. Clin Exp Dermatol 2021; 46:987-989. [PMID: 33656776 DOI: 10.1111/ced.14568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 01/06/2021] [Accepted: 01/21/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Z Gong
- Department of Dermatology, Peking University First Hospital, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, National Clinical Research Center for Skin and Immune Diseases, Beijing, China
| | - H Wang
- Department of Dermatology, Peking University First Hospital, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, National Clinical Research Center for Skin and Immune Diseases, Beijing, China
| | - Z Lin
- Department of Dermatology, Peking University First Hospital, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, National Clinical Research Center for Skin and Immune Diseases, Beijing, China
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Geng J, Niu Y, Wei L, Li Q, Gong Z, Wei S. Triplex qRT-PCR with specific probe for synchronously detecting Bovine parvovirus, bovine coronavirus, bovine parainfluenza virus and its applications. Pol J Vet Sci 2021; 23:481-489. [PMID: 33480488 DOI: 10.24425/pjvs.2020.134696] [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: 11/12/2022]
Abstract
Bovine parvovirus (BPV), bovine coronavirus (BCoV) and bovine parainfluenza virus (BPIV) are common etiologies causing gastrointestinal and respiratory diseases in dairy herds. However, there are few reports on the synchronous detection of BPV, BCoV and BPIV. The present article aimed to develop a quick and accurate RT-PCR assay to synchronously detect BPV, BCoV and BPIV based on their specific probes. One pair universal primers, one pair specific primers and one specific probe was designed and synthesized. After the concentrations of primer and probe and annealing temperature were strictly optimized, the specificity, sensitivity and repeatability of the established triplex probe qRT-PCR were evaluated, respectively. The results showed the recombinant plasmids of pMD18-T-BPV, pMD18-T-BCoV and pMD18-T-BPIV were 554bp, 699bp and 704bp, respectively. The optimal annealing temperature was set at 45.0°C for triplex qRT-PCR. The triplex probe qRT-PCR can only synchronously detect BPV, BCoV and BPIV. Detection sensitivities were 2.0×102, 2.0×102 and 2.0×101 copies/μL for BPV, BCoV and BPIV, being 1000-fold greater than that in the conventional PCR. Detection of clinical samples demonstrated that triplex probe qRT-PCR had a higher sensitivity and specificity. The intra-assay and inter-assay coefficient of variation were lower than 2.0%. Clinical specimens verified that the triplex qRT-PCR had a higher sensitivity and specificity than universal PCR. In conclusion, this triplex probe qRT-PCR could detect only BPV, BCoV and BPIV. Minimum detection limits were 2.0×102 copies/μL for BPV and BCoV, and 2.0×101 copies/μL for BPIV. The sensitivity of this triplex probe qRT-PCR was 1000-fold greater than that in the conventional PCR. The newly qRT-PCR could be used to monitor or differentially diagnose virus infection.
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Affiliation(s)
- J Geng
- Life Science and Engineering College, Northwest Minzu University, Lanzhou, 730030, China
| | - Y Niu
- Life Science and Engineering College, Northwest Minzu University, Lanzhou, 730030, China
| | - L Wei
- Neurology Department, Gansu Province People's Hospital, Lanzhou, 730030, China
| | - Q Li
- Life Science and Engineering College, Northwest Minzu University, Lanzhou, 730030, China
| | - Z Gong
- Hospital, Northwest Minzu University, Lanzhou, 730030, China
| | - S Wei
- Life Science and Engineering College, Northwest Minzu University, Lanzhou, 730030, China.,Biomedicine Research Center, Northwest Minzu University, Lanzhou, 730030, China
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Wang Y, Chen Q, Jiao F, Shi C, Pei M, Wang L, Gong Z. Histone deacetylase 2 regulates ULK1 mediated pyroptosis during acute liver failure by the K68 acetylation site. Cell Death Dis 2021; 12:55. [PMID: 33431796 PMCID: PMC7801742 DOI: 10.1038/s41419-020-03317-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 11/29/2020] [Accepted: 12/03/2020] [Indexed: 02/07/2023]
Abstract
Pyroptosis is a new necrosis pattern of hepatocyte during liver inflammation in acute liver failure (ALF). Histone deacetylase 2 (HDAC2) is associated with several pathological conditions in the liver system. The aim of this study is to investigate whether knockdown or pharmacological inhibition of HDAC2 could reduce the level of pyroptosis in ALF through ULK1-NLRP3-pyroptosis pathway. The role of HDAC2 on ULK1-NLRP3-pyroptosis pathway during ALF was detected in clinical samples. The mechanism was investigated in transfected cells or in ALF mouse model. The RNA-sequencing results revealed that ULK1 was a negative target regulatory molecule by HDAC2. During the process of pyroptosis, the HDAC2 exerted the antagonistic effect with ULK1 by the K68 acetylation site in L02 cells. Then the role of HDAC2 on ULK1-NLRP3-pyroptosis pathway in ALF mouse model was also detected. Moreover, the related molecules to ULK1-NLRP3-pyroptosis pathway were verified different expression in normal health donors and clinical ALF patients. HDAC2 in hepatocytes plays a pivotal role in an ULK1-NLRP3 pathway driven auto-amplification of pyroptosis in ALF. One of the important mechanisms is that inhibition HDAC2 to reduce pyroptosis may be by modulating the K68 lysine site of ULK1.
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Affiliation(s)
- Yao Wang
- grid.412632.00000 0004 1758 2270Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060 P.R. China
| | - Qian Chen
- grid.412632.00000 0004 1758 2270Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060 P.R. China
| | - Fangzhou Jiao
- grid.412632.00000 0004 1758 2270Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060 P.R. China
| | - Chunxia Shi
- grid.412632.00000 0004 1758 2270Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060 P.R. China
| | - Maohua Pei
- grid.412632.00000 0004 1758 2270Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060 P.R. China
| | - Luwen Wang
- grid.412632.00000 0004 1758 2270Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060 P.R. China
| | - Zuojiong Gong
- grid.412632.00000 0004 1758 2270Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060 P.R. China
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Chen Q, Wang Y, Jiao F, Shi C, Pei M, Wang L, Gong Z. Betaine inhibits Toll-like receptor 4 responses and restores intestinal microbiota in acute liver failure mice. Sci Rep 2020; 10:21850. [PMID: 33318565 PMCID: PMC7736280 DOI: 10.1038/s41598-020-78935-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 12/01/2020] [Indexed: 02/06/2023] Open
Abstract
Previous research has revealed that the gut microbiome has a marked impact on acute liver failure (ALF). Here, we evaluated the impact of betaine on the gut microbiota composition in an ALF animal model. The potential protective effect of betaine by regulating Toll-like receptor 4 (TLR4) responses was explored as well. Both mouse and cell experiments included normal, model, and betaine groups. The rat small intestinal cell line IEC-18 was used for in vitro experiments. Betaine ameliorated the small intestine tissue and IEC-18 cell damage in the model group by reducing the high expression of TLR4 and MyD88. Furthermore, the intestinal permeability in the model group was improved by enhancing the expression of the (ZO)-1 and occludin tight junction proteins. There were 509 operational taxonomic units (OTUs) that were identified in mouse fecal samples, including 156 core microbiome taxa. Betaine significantly improved the microbial communities, depleted the gut microbiota constituents Coriobacteriaceae, Lachnospiraceae, Enterorhabdus and Coriobacteriales and markedly enriched the taxa Bacteroidaceae, Bacteroides, Parabacteroides and Prevotella in the model group. Betaine effectively improved intestinal injury in ALF by inhibiting the TLR4/MyD88 signaling pathway, improving the intestinal mucosal barrier and maintaining the gut microbiota composition.
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Affiliation(s)
- Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Fangzhou Jiao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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Zhang H, Gao J, He X, Gong Z, Wan Y, Hu T, Li Y, Cao H. Lactobacillus rhamnosus GG-derived postbiotic prevents intestinal infection with enterohaemorrhagic E. coli O157: H7. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.09.364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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34
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Zou J, Chen J, Gao X, Lin Q, Gong Z, Cao H. Antimicrobial effect of the drug combination memantine and VD3 on E. coli K1 by inhibiting bacterial invasion in vitro. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.09.359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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35
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Li Y, Gong Z, Lin Q, Gao X, Lun J, Cao H. Inhibitory effects of Lactobacillus rhamnosus GG effector on inflammatory mediator expression through TLR4/MyD88/NF-кB signaling pathway. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.09.1079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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36
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Ho JHC, Zhao Y, Liu Z, Zhou X, Chen X, Xianyu Y, Lewis S, Fan L, Tian Y, Chang N, Gong Z, Hu K. Resolution of Coronavirus Disease 2019 Infection and Pulmonary Pathology With Nebulized DAS181: A Pilot Study. Crit Care Explor 2020; 2:e0263. [PMID: 33134951 PMCID: PMC7587449 DOI: 10.1097/cce.0000000000000263] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
OBJECTIVES Severe acute respiratory syndrome coronavirus 2 infections commonly lead to respiratory failure and potentially fatal systemic inflammation and organ failure. Nebulized DAS181, a host-directed biologics with sialidase activity, is an investigational drug with antiviral activities on parainfluenza and influenza under phase 3 and phase 2 development. The objective of this study (NCT04324489) is to investigate the safety and effects of nebulized DAS181 on hypoxic coronavirus disease 2019 patients. DESIGN Single-center, prospective, open-label, compassionate use. SETTING Renmin Hospital of Wuhan University, Department of Respiratory and Critical Care Medicine and Department of Infectious Diseases. SUBJECTS Patients 18 to 70 years old who met Chinese criteria for severe coronavirus disease 2019 pneumonia and required supplemental oxygen but not on mechanical ventilator at screening. INTERVENTIONS Nebulized DAS181 (4.5 mg) twice a day for 10 days. MEASUREMENTS AND MAIN RESULTS Three male coronavirus disease 2019 hypoxic patients with bilateral lung involvement completed DAS181 treatment for 10 days. By day 14, all achieved return to room air (primary endpoint) and their nasopharyngeal swabs were negative for severe acute respiratory syndrome coronavirus 2. Clinical severity improved from severe coronavirus disease 2019 at baseline to moderate or mild disease by day 5, consistent with rapid reduction of inflammatory cytokines by days 2-3 and radiologic improvement by days 5-10. No DAS181-related adverse events were reported. CONCLUSIONS Inhalation of DAS181 was well tolerated and potential clinical benefit of DAS181 on hypoxic coronavirus disease 2019 is the reduction of supplemental oxygen need. Efficacy and safety, including pharmacokinetics and viral studies of DAS181 in severe, hypoxic coronavirus disease 2019, should be examined by a double-blind, randomized controlled study.
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Affiliation(s)
| | - Yang Zhao
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zhenlian Liu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xiaoyang Zhou
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xiaobei Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yunyan Xianyu
- Nursing Department, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Stanley Lewis
- Division of Clinical Development, Ansun Biopharma, San Diego, CA
| | - Liya Fan
- Division of Clinical Development, Ansun Biopharma, San Diego, CA
| | - Yuan Tian
- Wuhan University, Wuhan, Hubei, China
| | - Nancy Chang
- Division of Clinical Development, Ansun Biopharma, San Diego, CA
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ke Hu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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Rao H, Yang X, Tan Y, Ning Q, Yang D, Wang J, Yang Y, Zheng S, Yang D, Hou J, Xie Q, Zhao C, Zhang L, Mao X, Sun T, Bai L, Zhang F, Jin J, Zhao Y, Wang M, Xie W, Ma Y, Quan J, Yan X, An P, Lin F, Jia J, Hu X, Gong Z, Wu J, Chen Y, Jia Z, Lin M, Wang G, Zhu Y, Zhang Y, Xie H, Luo L, Ren Q, Huang R, Wei L. Efficacy and Safety of All-oral Emitasvir and Sofosbuvir in Patients with Genotype 1b HCV Infections without Cirrhosis. J Clin Transl Hepatol 2020; 8:255-261. [PMID: 33083247 PMCID: PMC7562795 DOI: 10.14218/jcth.2020.00031] [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: 04/13/2020] [Revised: 07/05/2020] [Accepted: 08/12/2020] [Indexed: 02/05/2023] Open
Abstract
Background and Aims: Emitasvir is a new type of hepatitis C virus (HCV) nonstructural protein 5A (NS5A) inhibitor, and the data of phase 2 trial has shown emitasvir-sofosbuvir to have good safety and tolerance. We conducted this phase 3 trial to further verify the efficacy and safety. Methods: We evaluated the antiviral activity and safety of a 12-week regimen of emitasvir phosphate (100 mg) combined with sofosbuvir (400 mg) once daily in non-cirrhotic patients with genotype 1 HCV infection. The primary endpoint was a sustained virological response at 12 weeks (SVR12) after the end of treatment. Results: Of the 362 patients enrolled in the trial, 39.8% were male, 99.2% had HCV genotype 1b, 0.8% had genotype 1a and 79.8% were treatment-naïve. The average age was 47.2 years. All patients completed the treatment and follow-up. All 3 patients with genotype 1a achieved SVR. Two genotype 1b treatment-naïve patients experienced virologic relapse. The rate of SVR12 was 99.7% (358/359), and SVR24 was 99.4% (357/359) in genotype 1b. Overall, 36.2% had resistance-associated substitutions (RASs) in NS5A and 98.3% had RASs in NS5B at baseline. The RASs at baseline had no effect on the rates of response. Serious adverse events were reported in 16 patients and were not related to emitasvir-sofosbuvir. Most adverse events did not require therapy. Conclusions: The 12 weeks of treatment with emitasvir-sofosbuvir was a highly efficient and safe treatment for a wide range of patients with HCV genotype 1b infection without cirrhosis, who had not been treated or who had been treated with interferon-based regimen previously.
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Affiliation(s)
- Huiying Rao
- Peking University People’s Hospital, Peking University Hepatology Institute, National Clinical Research Center for Infectious Disease, Beijing Key Laboratory of Hepatitis C and Immunotherapy for Liver Diseases, Beijing International Cooperation Base for Science and Technology on NAFLD Diagnosis, Beijing, China
| | - Xingxiang Yang
- Department of Infectious Diseases, Sichuan Provincial People’s Hospital, Chengdu, Sichuan, China
| | - Youwen Tan
- Department of Hepatology, The Third People’s Hospital of Zhenjiang, Zhenjiang, Jiangsu, China
| | - Qin Ning
- Department of Infectious Diseases, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Daokun Yang
- Department of Infectious Diseases, The First Affiliated Hospital of Xinxiang Medical College, Xinxiang, Henan, China
| | - Jiefei Wang
- Shanghai Public Health Clinical Center, Shanghai, China
| | - Yongfeng Yang
- Department of Hepatology, The Second Hospital of Nanjing, Nanjing, Jiangsu, China
| | - Sujun Zheng
- Center of Artificial liver, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Dongliang Yang
- Department of Infectious Disease, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jinlin Hou
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Qing Xie
- Department of Infectious Diseases, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Caiyan Zhao
- Department of Infectious Diseases, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Lunli Zhang
- Department of Infectious Diseases, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Xiaorong Mao
- Department of Infectious Diseases, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Tong Sun
- Department of Infectious Diseases, Wuxi Fifth People’s Hospital, Wuxi, Jiangsu, China
| | - Lang Bai
- Infectious Diseases Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Fuchun Zhang
- Department of Hepatology, Guangzhou Eighth People’s Hospital, Guangzhou, Guangdong, China
| | - Jinglan Jin
- Department of Hepato-Biliary-Pancreatic Diseases, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yingren Zhao
- Department of Infectious Diseases, Xi’an Jiaotong University First Affiliated Hospital, Xi’an, Shaanxi, China
| | - Maorong Wang
- Department of Infectious Diseases, DiBaYi Hospital of the Chinese People’s Liberation Army, Nanjing, Jiangsu, China
| | - Wen Xie
- Hepatology Center, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Yingjie Ma
- Department of Infectious Diseases, Zhengzhou People’s Hospital, Zhengzhou, Henan, China
| | - Jun Quan
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xuebing Yan
- Department of Infectious Diseases, Xuzhou Medical College Affiliated Hospital, Xuzhou, Jiangsu, China
| | - Ping An
- Department of Infectious Diseases, Shenyang Sixth People’s Hospital, Shenyang, Liaoning, China
| | - Feng Lin
- Department of Infectious Diseases, Hainan General Hospital, Haikou, Hainan, China
| | - Jidong Jia
- Hepatology Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Xiaoxuan Hu
- Department of Infectious Diseases, Hunan Provincial People’s Hospital, Changsha, Hunan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jie Wu
- Department of Infectious Diseases, Wuhan central hospital, Wuhan, Hubei, China
| | - Yongping Chen
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhansheng Jia
- Department of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University of the People’s Liberation Army, Xi’an, Shaanxi, China
| | - Minghua Lin
- Department of Hepatology, Meng Chao Hepatobiliary Hospital, Fujian Medical University, Fuzhou, Fujian, China
| | - Guiqiang Wang
- Department of Infectious Diseases, Peking University First Hospital, Beijing, China
| | - Yueyong Zhu
- Department of Infectious Diseases, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Yingjun Zhang
- State Key Laboratory of Anti-Infective Drug Development (NO.2015DQ780357), Sunshine Lake Pharma Co., Ltd, Dongguan, Guangdong, China
- Correspondence to: Lai Wei, Hepatopancreatobiliary Center, Beijing Tsinghua Changgung Hospital, Tsinghua University, No. 168, Litang Road, Changping District, Beijing 102218, China. Tel: +86-10-56118881, Fax: +86-10-56118500, E-mail: ; Yingjun Zhang, State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357), Sunshine Lake Pharma Co., Ltd., No. 368, Zhen’an Road, Chang’an Town, Dongguan, Guangdong 523871, China. Tel: +86-769-88615888-2337, Fax: +86-769-85370222-2337, E-mail:
| | - Hongming Xie
- State Key Laboratory of Anti-Infective Drug Development (NO.2015DQ780357), Sunshine Lake Pharma Co., Ltd, Dongguan, Guangdong, China
| | - Lin Luo
- State Key Laboratory of Anti-Infective Drug Development (NO.2015DQ780357), Sunshine Lake Pharma Co., Ltd, Dongguan, Guangdong, China
| | - Qingyun Ren
- State Key Laboratory of Anti-Infective Drug Development (NO.2015DQ780357), Sunshine Lake Pharma Co., Ltd, Dongguan, Guangdong, China
| | - Rui Huang
- Peking University People’s Hospital, Peking University Hepatology Institute, National Clinical Research Center for Infectious Disease, Beijing Key Laboratory of Hepatitis C and Immunotherapy for Liver Diseases, Beijing International Cooperation Base for Science and Technology on NAFLD Diagnosis, Beijing, China
| | - Lai Wei
- Hepatopancreatobiliary Center, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
- Correspondence to: Lai Wei, Hepatopancreatobiliary Center, Beijing Tsinghua Changgung Hospital, Tsinghua University, No. 168, Litang Road, Changping District, Beijing 102218, China. Tel: +86-10-56118881, Fax: +86-10-56118500, E-mail: ; Yingjun Zhang, State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357), Sunshine Lake Pharma Co., Ltd., No. 368, Zhen’an Road, Chang’an Town, Dongguan, Guangdong 523871, China. Tel: +86-769-88615888-2337, Fax: +86-769-85370222-2337, E-mail:
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Wang Y, Wang L, Li X, Gong Z. Clinical Challenges in an Outbreak of COVID-19 in Wuhan, China: Concerns from Frontiers. Curr Infect Dis Rep 2020; 22:30. [PMID: 32982600 PMCID: PMC7508676 DOI: 10.1007/s11908-020-00738-7] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/09/2020] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW In December 2019, outbreaks of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infected pneumonia patients were discovered in Wuhan City, Hubei Province, China. With the spread of the epidemic, new cases have been found in other regions of China and abroad. This review summarizes the current coronavirus disease 2019 (COVID-19) transmission pathways, high-risk factors, diagnostic points, pathogenesis, and therapeutic drugs to provide the prevention and treatment theories for COVID-19. RECENT FINDINGS COVID-19 is highly contagious and is transmitted mainly through the respiratory tract. Most patients with SARS-CoV-2 infection have milder symptoms. Some patients will have mild disease in the early stage, suddenly exacerbate later, and eventually die of multiple organ failure caused by cytokine storm. The basis for clinical diagnosis of COVID-19 is not just the detection of viral nucleic acids as the gold standard. The diagnostic accuracy improves when viral nucleic acid test is combined with clinical symptoms, CT results, and biochemical tests. For the treatment of COVID-19, the specific antiviral agents have not been developed, except for symptomatic supportive treatments. SUMMARY The methods for detecting SARS-CoV-2 infection have become increasingly mature, but specific antiviral drugs for the treatment of COVID-19 have not yet been developed. Treatment must pay attention to the cytokine storm that leads to the seriousness of COVID-19.
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Affiliation(s)
- Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
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Li W, Zhang H, Gong Z, Tong T, Guo W. 475P Diffusion kurtosis imaging signature in predicting the chemotherapeutic response of colorectal liver metastases: The result of the FDZL-MRinCLM study. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Wang L, Gong Z. SARS-CoV-2 Infection Results in Serious Kidney Impairment: More Studies Need to Be Explored. Am J Nephrol 2020; 51:576-578. [PMID: 32599585 PMCID: PMC7360501 DOI: 10.1159/000508089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 04/20/2020] [Indexed: 01/08/2023]
Affiliation(s)
- Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China,
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Gong Z, Mackenroth F, Wang T, Yan XQ, Toncian T, Arefiev AV. Direct laser acceleration of electrons assisted by strong laser-driven azimuthal plasma magnetic fields. Phys Rev E 2020; 102:013206. [PMID: 32795027 DOI: 10.1103/physreve.102.013206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 06/09/2020] [Indexed: 06/11/2023]
Abstract
A high-intensity laser beam propagating through a dense plasma drives a strong current that robustly sustains a strong quasistatic azimuthal magnetic field. The laser field efficiently accelerates electrons in such a field that confines the transverse motion and deflects the electrons in the forward direction. Its advantage is a threshold rather than resonant behavior, accelerating electrons to high energies for sufficiently strong laser-driven currents. We study the electron dynamics via a test-electron model, specifically deriving the corresponding critical current density. We confirm the model's predictions by numerical simulations, indicating energy gains two orders of magnitude higher than achievable without the magnetic field.
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Affiliation(s)
- Z Gong
- SKLNPT, KLHEDP and CAPT, School of Physics, Peking University, Beijing 100871, China
- Center for High Energy Density Science, The University of Texas at Austin, Austin, Texas 78712, USA
| | - F Mackenroth
- Max Planck Institute for the Physics of Complex Systems, 01187 Dresden, Germany
- Department of Mechanical and Aerospace Engineering, University of California San Diego, La Jolla, California 92093, USA
| | - T Wang
- Department of Mechanical and Aerospace Engineering, University of California San Diego, La Jolla, California 92093, USA
| | - X Q Yan
- SKLNPT, KLHEDP and CAPT, School of Physics, Peking University, Beijing 100871, China
| | - T Toncian
- Institute for Radiation Physics, Helmholtz-Zentrum Dresden-Rossendorf e.V., 01328 Dresden, Germany
| | - A V Arefiev
- Department of Mechanical and Aerospace Engineering, University of California San Diego, La Jolla, California 92093, USA
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Chen Q, Wang Y, Jiao F, Shi C, Pei M, Wang L, Gong Z. Histone deacetylase 6 inhibitor ACY1215 ameliorates mitochondrial dynamic and function injury in hepatocytes by activating AMPK signaling pathway in acute liver failure mice. Histol Histopathol 2020; 35:1047-1058. [PMID: 32572875 DOI: 10.14670/hh-18-237] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Acute liver failure (ALF) is often accompanied by dynamic and functional disorders of mitochondria in hepatocytes. The histone deacetylase 6 inhibitor Rocilinostat (ACY1215) has a hepatoprotective effect. However, its protective effect on mitochondria of hepatocytes and its related mechanisms in ALF remain unknown. The purpose of the present study was to elucidate the protective effect of ACY1215 on mitochondrial of hepatocytes in ALF by regulating AMPK signaling pathway. LPS and D-Gal were used to induce ALF model in C57BL/6 mice. D-Gal and TNF-α were applied in L02 cells as model group. ACY1215 was administered to the mice or culture cells before the model' s establishment as ACY1215 group. The normal group in mice and L02 cells was not given any drug intervention. ACY1215 improves liver histological and functional changes in ALF model mice. Compared with normal group, the expression of p-AMPK and p-ACC proteins was decreased in model group. ACY1215 activated the AMPK signaling pathway with an increase of p-AMPK and p-ACC proteins level in model group. ACY1215 treatment decreased levels of mitochondrial fission proteins DRP1 and FIS1, and enhanced levels of mitochondrial fusion proteins MFN1, MFN2 and OPA1 in models. MtDNA copies in model group was decreased compared with normal group, but ACY1215 elevated the mtDNA copies in models. Mitochondrial respiratory electron transfer chain Complex I-III and citrate synthase (CS) activities in model group were decreased compared with normal group, but ACY1215 treatment enhanced these activities in model group. ACY1215 protects against dynamic disorders and dysfunction of mitochondria in hepatocytes in ALF by activating AMPK signaling pathway.
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Affiliation(s)
- Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fangzhou Jiao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China.
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Wang Y, Zhang H, Chen Q, Jiao F, Shi C, Pei M, Lv J, Zhang H, Wang L, Gong Z. TNF-α/HMGB1 inflammation signalling pathway regulates pyroptosis during liver failure and acute kidney injury. Cell Prolif 2020; 53:e12829. [PMID: 32419317 PMCID: PMC7309595 DOI: 10.1111/cpr.12829] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/21/2020] [Accepted: 04/24/2020] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE Acute kidney injury (AKI) is a common complication of acute liver failure (ALF). Pyroptosis is a necrosis type related to inflammation. This study aimed to investigate the role of TNF-α/HMGB1 pathway in pyroptosis during ALF and AKI. METHODS An ALF and AKI mouse model was generated using LPS/D-Gal, and a TNF-α inhibitor, CC-5013, was used to treat the mice. THP-1 cells were induced to differentiate into M1 macrophages, then challenged with either CC-5013 or an HMGB1 inhibitor, glycyrrhizin. pLVX-mCMVZsGreen-PGK-Puros plasmids containing TNF-α wild-type (WT), mutation A94T of TNF-α and mutation P84L of TNF-α were transfected into M1 macrophages. RESULTS Treatment with CC-5013 decreased the activation of TNF-α/HMGB1 pathway and pyroptosis in the treated mice and cells compared with the control mice and cells. CC-5013 also ameliorated liver and kidney pathological changes and improved liver and renal functions in treated mice, and the number of M1 macrophages in the liver and kidney tissues also decreased. The activation of TNF-α/HMGB1 pathway and pyroptosis increased in the M1 macrophage group compared with the normal group. Similarly, the activation of TNF-α/HMGB1 pathway and pyroptosis in the LPS + WT group also increased. By contrast, the activation of the TNF-α/HMGB1 pathway and pyroptosis decreased in the LPS + A94T and LPS + P84L groups. Moreover, glycyrrhizin inhibited pyroptosis. CONCLUSION The TNF-α/HMGB1 inflammation signalling pathway plays an important role in pyroptosis during ALF and AKI.
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Affiliation(s)
- Yao Wang
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
| | - Haiyue Zhang
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
| | - Qian Chen
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
| | - Fangzhou Jiao
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
| | - Chunxia Shi
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
| | - Maohua Pei
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
| | - Jian Lv
- Department of PharmacyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Hong Zhang
- Department of PharmacyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Luwen Wang
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
| | - Zuojiong Gong
- Department of Infectious DiseasesRenmin Hospital of Wuhan UniversityWuhanChina
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Li L, Zhang B, He B, Gong Z, Chen X. Critical patients with coronavirus disease 2019: Risk factors and outcome nomogram. J Infect 2020; 80:e37-e38. [PMID: 32272120 PMCID: PMC7194672 DOI: 10.1016/j.jinf.2020.03.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 12/25/2022]
Affiliation(s)
- Lingzhi Li
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Binghong Zhang
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bing He
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaobei Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China.
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Arefiev A, Gong Z, Robinson APL. Energy gain by laser-accelerated electrons in a strong magnetic field. Phys Rev E 2020; 101:043201. [PMID: 32422732 DOI: 10.1103/physreve.101.043201] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 03/10/2020] [Indexed: 11/07/2022]
Abstract
This paper deals with electron acceleration by a laser pulse in a plasma with a static uniform magnetic field B_{*}. The laser pulse propagates perpendicular to the magnetic field lines with the polarization chosen such that (E_{laser}·B_{*})=0. The focus of the work is on the electrons with an appreciable initial transverse momentum that are unable to gain significant energy from the laser in the absence of the magnetic field due to strong dephasing. It is shown that the magnetic field can initiate an energy increase by rotating such an electron, so that its momentum becomes directed forward. The energy gain continues well beyond this turning point where the dephasing drops to a very small value. In contrast to the case of purely vacuum acceleration, the electron experiences a rapid energy increases with the analytically derived maximum energy gain dependent on the strength of the magnetic field and the phase velocity of the wave. The energy enhancement by the magnetic field can be useful at high laser amplitudes, a_{0}≫1, where the acceleration similar to that in the vacuum is unable to produce energetic electrons over just tens of microns. A strong magnetic field helps leverage an increase in a_{0} without a significant increase in the interaction length.
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Affiliation(s)
- A Arefiev
- Department of Mechanical and Aerospace Engineering, University of California at San Diego, La Jolla, California 92093, USA and Center for Energy Research, University of California at San Diego, La Jolla, California 92093, USA
| | - Z Gong
- SKLNPT, School of Physics, Peking University, Beijing 100871, China and Center for High Energy Density Science, University of Texas, Austin, Texas 78712, USA
| | - A P L Robinson
- Central Laser Facility, STFC Rutherford-Appleton Laboratory, Didcot, OX11 0QX, United Kingdom
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Li X, Wang L, Yan S, Yang F, Xiang L, Zhu J, Shen B, Gong Z. Clinical characteristics of 25 death cases with COVID-19: A retrospective review of medical records in a single medical center, Wuhan, China. Int J Infect Dis 2020; 94:128-132. [PMID: 32251805 PMCID: PMC7128884 DOI: 10.1016/j.ijid.2020.03.053] [Citation(s) in RCA: 260] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 03/18/2020] [Accepted: 03/24/2020] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVES This study aims to summarize the clinical characteristics of death cases with COVID-19 and to identify critically ill patients of COVID-19 early and reduce their mortality. METHODS The clinical records, laboratory findings and radiological assessments included chest X-ray or computed tomography were extracted from electronic medical records of 25 died patients with COVID-19 in Renmin Hospital of Wuhan University from Jan 14 to Feb 13, 2020. Two experienced clinicians reviewed and abstracted the data. RESULTS The age and underlying diseases (hypertension, diabetes, etc.) were the most important risk factors for death of COVID-19 pneumonia. Bacterial infections may play an important role in promoting the death of patients. Malnutrition was common to severe patients. Multiple organ dysfunction can be observed, the most common organ damage was lung, followed by heart, kidney and liver. The rising of neutrophils, SAA, PCT, CRP, cTnI, D-dimer, LDH and lactate levels can be used as indicators of disease progression, as well as the decline of lymphocytes counts. CONCLUSIONS The clinical characteristics of 25 death cases with COVID-19 we summarized, which would be helpful to identify critically ill patients of COVID-19 early and reduce their mortality.
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Affiliation(s)
- Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shaonan Yan
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fan Yang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Longkui Xiang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jiling Zhu
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bo Shen
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China.
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Wang L, Li X, Chen H, Yan S, Li D, Li Y, Gong Z. Coronavirus Disease 19 Infection Does Not Result in Acute Kidney Injury: An Analysis of 116 Hospitalized Patients from Wuhan, China. Am J Nephrol 2020; 51:343-348. [PMID: 32229732 PMCID: PMC7179524 DOI: 10.1159/000507471] [Citation(s) in RCA: 262] [Impact Index Per Article: 65.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 03/24/2020] [Indexed: 12/20/2022]
Abstract
Background Whether the patients with coronavirus disease 19 (COVID-19) infected by severe acute respiratory syndrome (SARS)-CoV-2 would commonly develop acute kidney injury (AKI) is an important issue worthy of clinical attention. This study aimed to explore the effects of SARS-CoV-2 infection on renal function through analyzing the clinical data of 116 hospitalized COVID-19-confirmed patients. Methods One hundred sixteen COVID-19-confirmed patients enrolled in this study were hospitalized in the Department of Infectious Diseases, Renmin Hospital of Wuhan University from January 14 to February 13, 2020. The recorded information includes demographic data, medical history, contact history, potential comorbidities, symptoms, signs, laboratory test results, chest computer tomography scans, and treatment measures. SARS-CoV-2 RNA in 53 urine sediments of enrolled patients was detected by real-time reverse transcription-polymerase chain reaction. Results Twelve (10.8%) patients showed mild increase of blood urea nitrogen or creatinine (<26 μmol/L within 48 h), and 8 (7.2%) patients showed trace or 1+ albuminuria in 111 COVID-19-confirmed patients without chronic kidney disease (CKD). All these patients did not meet the diagnostic criteria of AKI. In addition, 5 patients with CKD who were undergone regular continuous renal replacement therapy (CRRT) before admission were confirmed infection of SARS-CoV-2 and diagnosed as COVID-19. In addition to therapy for COVID-19, CRRT was also applied 3 times weekly during hospitalization for these 5 patients with CKD. In the course of treatment, the renal function indicators showed stable state in all 5 patients with CKD, without exacerbation of CKD, and pulmonary inflammation was gradually absorbed. All 5 patients with CKD were survived. Moreover, SARS-CoV-2 RNA in urine sediments was positive only in 3 patients from 48 cases without CKD, and 1 patient had a positive for SARS-CoV-2 open reading frame 1ab from 5 cases with CKD. Conclusion AKI was uncommon in COVID-19. SARS-CoV-2 infection does not result in AKI, or aggravate CKD in the COVID-19 patients.
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Affiliation(s)
- Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hui Chen
- Institute of Infectious Diseases, Hubei Provincial Center for Disease Control and Prevention, Wuhan, China
| | - Shaonan Yan
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Dong Li
- Department of Laboratory Medicine, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yan Li
- Department of Laboratory Medicine, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
- *Zuojiong Gong, MD, PhD, Department of Infectious Diseases, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuchang, Wuhan 430060 (China), E-Mail , Yan Li, MD, PhD, Department of Laboratory Medicine, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuchang, Wuhan 430060 (China), E-Mail
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Lu S, Zhu N, Guo W, Wang X, Li K, Yan J, Jiang C, Han S, Xiang H, Wu X, Liu Y, Xiong H, Chen L, Gong Z, Luo F, Hou W. RNA-Seq Revealed a Circular RNA-microRNA-mRNA Regulatory Network in Hantaan Virus Infection. Front Cell Infect Microbiol 2020; 10:97. [PMID: 32232013 PMCID: PMC7083127 DOI: 10.3389/fcimb.2020.00097] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 02/26/2020] [Indexed: 12/27/2022] Open
Abstract
Hantaan virus (HTNV), a Hantavirus serotype that is prevalent in Asia, causes hemorrhagic fever with renal syndrome (HFRS) with high mortality in human race. However, the pathogenesis of HTNV infection remains elusive. Circular RNAs (circRNAs), a new type of non-coding RNAs, play a crucial role in various pathogenic processes. Nevertheless, circRNA expression profiles and their effects on pathogenesis of HTNV infection are still completely unknown. In the present study, RNA sequencing was performed to analyze the circRNA, microRNA (miRNA), and mRNA expression profiles in HTNV-infected and mock-infected human umbilical vein endothelial cells (HUVECs). A total of 70 circRNAs, 66 miRNAs, and 788 mRNAs were differently expressed. Several differentially expressed RNAs were validated by RT-qPCR. Moreover, we verified that some differentially expressed RNAs, such as circ_0000479, miR-149-5p, miR-330-5p, miR-411-3p, RIG-I, CMPK2, PARP10, and GBP1, promoted or inhibited HTNV replication. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis demonstrated that the host genes of differentially expressed circRNAs were principally involved in the innate immune response, the type I interferon (IFN) signaling pathway, and the cytokine-mediated signaling pathway. Additionally, the circRNA-miRNA-mRNA regulatory network was integrally analyzed. The data showed that there were many circRNA-miRNA-mRNA interactions in HTNV infection. By dual-luciferase reporter assay, we confirmed that circ_0000479 indirectly regulated RIG-I expression by sponging miR-149-5p, hampering viral replication. This study for the first time presents a comprehensive overview of circRNAs induced by HTNV and reveals that a network of enriched circRNAs and circRNA-associated competitive endogenous RNAs (ceRNAs) is involved in the regulation of HTNV infection, thus offering new insight into the mechanisms underlying HTNV-host interaction.
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Affiliation(s)
- Shuang Lu
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Ni Zhu
- Department of Microbiology, School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Weiwei Guo
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Xin Wang
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Kaiji Li
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Jie Yan
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Cuiping Jiang
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Shiyu Han
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Hanmin Xiang
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Xiaohan Wu
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Yuanyuan Liu
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Hairong Xiong
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Liangjun Chen
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Zuojiong Gong
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Fan Luo
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China
| | - Wei Hou
- State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences and Department of Infectious Diseases, Renmin Hospital, Wuhan University, Wuhan, China.,Department of Microbiology, School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
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Hou Y, Zhang Q, Gao F, Mao D, Li J, Gong Z, Luo X, Chen G, Li Y, Yang Z, Sun K, Wang X. Artificial neural network-based models used for predicting 28- and 90-day mortality of patients with hepatitis B-associated acute-on-chronic liver failure. BMC Gastroenterol 2020; 20:75. [PMID: 32188419 PMCID: PMC7081680 DOI: 10.1186/s12876-020-01191-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 02/11/2020] [Indexed: 02/08/2023] Open
Abstract
Background This study aimed to develop prognostic models for predicting 28- and 90-day mortality rates of hepatitis B virus (HBV)-associated acute-on-chronic liver failure (HBV-ACLF) through artificial neural network (ANN) systems. Methods Six hundred and eight-four cases of consecutive HBV-ACLF patients were retrospectively reviewed. Four hundred and twenty-three cases were used for training and constructing ANN models, and the remaining 261 cases were for validating the established models. Predictors associated with mortality were determined by univariate analysis and were then included in ANN models for predicting prognosis of mortality. The receiver operating characteristic curve analysis was used to evaluate the predictive performance of the ANN models in comparison with various current prognostic models. Results Variables with statistically significant difference or important clinical characteristics were input in the ANN training process, and eight independent risk factors, including age, hepatic encephalopathy, serum sodium, prothrombin activity, γ-glutamyltransferase, hepatitis B e antigen, alkaline phosphatase and total bilirubin, were eventually used to establish ANN models. For 28-day mortality in the training cohort, the model’s predictive accuracy (AUR 0.948, 95% CI 0.925–0.970) was significantly higher than that of the Model for End-stage Liver Disease (MELD), MELD-sodium (MELD-Na), Chronic Liver Failure-ACLF (CLIF-ACLF), and Child-Turcotte-Pugh (CTP) (all p < 0.001). In the validation cohorts the predictive accuracy of ANN model (AUR 0.748, 95% CI: 0.673–0.822) was significantly higher than that of MELD (p = 0.0099) and insignificantly higher than that of MELD-Na, CTP and CLIF-ACLF (p > 0.05). For 90-day mortality in the training cohort, the model’s predictive accuracy (AUR 0.913, 95% CI 0.887–0.938) was significantly higher than that of MELD, MELD-Na, CTP and CLIF-ACLF (all p < 0.001). In the validation cohorts, the prediction accuracy of the ANN model (AUR 0.754, 95% CI: 0.697–0.812 was significantly higher than that of MELD (p = 0.019) and insignificantly higher than MELD-Na, CTP and CLIF-ACLF (p > 0.05). Conclusions The established ANN models can more accurately predict short-term mortality risk in patients with HBV- ACLF. The main content has been postered as an abstract at the AASLD Hepatology Conference (10.1002/hep.30257).
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Affiliation(s)
- Yixin Hou
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, People's Republic of China
| | - Qianqian Zhang
- Department of Hepatology, The First Hospital Affiliated to Hunan University of Chinese Medicine, Changsha, Hunan, 410007, People's Republic of China
| | - Fangyuan Gao
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, People's Republic of China
| | - Dewen Mao
- Department of Hepatology, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, Guangxi, 530021, People's Republic of China
| | - Jun Li
- Center of Integrative Medicine, Beijing 302 Hospital, Beijing, 100039, People's Republic of China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, People's Republic of China
| | - Xinla Luo
- Department of Hepatology, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhuan, Hubei, 430061, People's Republic of China
| | - Guoliang Chen
- Department of Hepatology, Xiamen Hospital of Traditional Chinese Medicine, Xiamen, Fujian, 361009, People's Republic of China
| | - Yong Li
- Department of Hepatology, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 250014, People's Republic of China
| | - Zhiyun Yang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, People's Republic of China.
| | - Kewei Sun
- Department of Hepatology, The First Hospital Affiliated to Hunan University of Chinese Medicine, Changsha, Hunan, 410007, People's Republic of China.
| | - Xianbo Wang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, People's Republic of China.
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Liang H, Geng J, Bai S, Aimuguri A, Gong Z, Feng R, Shen X, Wei S. TaqMan real-time PCR for detecting bovine viral diarrhea virus. Pol J Vet Sci 2019; 22:405-413. [PMID: 31269348 DOI: 10.24425/pjvs.2019.129300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The present study was aimed to establish a novel TaqMan real-time PCR (RTm-PCR) for detecting and typing bovine viral diarrhea virus (BVDV), and also to develop a diagnostic protocol which simplifies sample collection and processing. Universal primers and TaqMan-MGB probes were designed from the known sequences of conserved 5' - and 3'-untranslated regions (5'UTR, 3'UTR) of the NADL strain of BVDV. Prior to optimizing the assay, cDNAs were transcribed in vitro to make standard curves. The sensitivity, specificity and stability (reproducibility) were evaluated. The RTm-PCR was tested on the 312 feces specimens collected from persistently infected (PI) calves. The results showed the optimum conditions for RTm-PCR were 17.0 μmol/L primer, 7.5 μmol/L probe and 51.4°C annealing temperature. The established TaqMan RTm-PCR assay could specially detect BVDV without detecting any other viruses. Its detection limit was 1.55×100 copies/μL for viral RNA. It was 10000-fold higher than conventional PCR with excellent specificity and reproducibility. 312 samples were tested using this method and universal PCR from six dairy farms, respectively. Positive detections were found in 49 and 44 feces samples, respectively. The occurrence rate was 89.80%. In conclusion, the established TaqMan RTm-PCR could rapidly detect BVDV and effectively identify PI cattle. The detection limit of RTm-PCR was 1.55 copies/μL. It will be beneficial for enhancing diagnosis and therapy efficacy and reduce losses in cattle farms.
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Affiliation(s)
- H Liang
- Life Science and Engineering College, Northwest Minzu University, Lanzhou 730030, China
| | - J Geng
- Medicine College, Northwest Minzu University, Lanzhou, 730030, China
| | - S Bai
- Life Science and Engineering College, Northwest Minzu University, Lanzhou 730030, China
| | - A Aimuguri
- Life Science and Engineering College, Northwest Minzu University, Lanzhou 730030, China
| | - Z Gong
- Animal Cell Engineering Center of Gansu Province, Lanzhou 730030, China
| | - R Feng
- Animal Cell Engineering Center of Gansu Province, Lanzhou 730030, China
| | - X Shen
- School of Karst Science, Guizhou Normal University, Guiyang, 550001, China
| | - S Wei
- Life Science and Engineering College, Northwest Minzu University, Lanzhou 730030, China.,Medicine College, Northwest Minzu University, Lanzhou, 730030, China
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