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  1. Article: Preparation and Lubricating Properties of Polystyrene Composite Microspheres.

    Zeng, Wen / Huang, Weiqing / Guo, Bing / Sun, Yang / Shen, Hangyan

    Materials (Basel, Switzerland)

    2023  Volume 16, Issue 8

    Abstract: In order to improve the lubrication performance of polystyrene microspheres (PS) as solid lubricant in drilling fluids, elastic graphite-polystyrene composite microspheres (EGR/PS), montmorillonite-elastic graphite-polystyrene composite microspheres ( ... ...

    Abstract In order to improve the lubrication performance of polystyrene microspheres (PS) as solid lubricant in drilling fluids, elastic graphite-polystyrene composite microspheres (EGR/PS), montmorillonite-elastic graphite-polystyrene composite microspheres (OMMT/EGR/PS), and polytetrafluoroethylene-polystyrene composite microspheres (PTFE/PS) were prepared by suspension polymerization. OMMT/EGR/PS has a rough surface, while the surfaces of the other three composite microspheres are smooth. Among the four kinds of composite microspheres, the largest particle is OMMT/EGR/PS, and the average size is about 400 μm. The smallest particle is PTFE/PS, and the average size is about 49 μm. Compared with pure water, the friction coefficient of PS, EGR/PS, OMMT/EGR/PS and PTFE/PS reduced by 25%, 28%, 48%, and 62%, respectively. The wear tracks of EGR/PS, OMMT/EGR/PS and PTFE/PS are narrower and smoother than those of pure water. When the content of PTFE is 4.0 wt%, the friction coefficient and wear volume of PTFE/PS are 0.213 and 2.45 × 10
    Language English
    Publishing date 2023-04-13
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma16083071
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Cleaning efficacy of EDDY versus ultrasonically-activated irrigation in root canals: a systematic review and meta-analysis.

    Chu, Xiaojun / Feng, Shuting / Zhou, Weiqing / Xu, Shuaimei / Zeng, Xiongqun

    BMC oral health

    2023  Volume 23, Issue 1, Page(s) 155

    Abstract: Background: Ultrasonically-activated irrigation (UAI) is effective in root canal irrigation but may damage canal walls. EDDY is a sonic activation system with flexible working tips that cause no harm to dentinal walls. This review explores the ... ...

    Abstract Background: Ultrasonically-activated irrigation (UAI) is effective in root canal irrigation but may damage canal walls. EDDY is a sonic activation system with flexible working tips that cause no harm to dentinal walls. This review explores the intracanal cleaning efficacy of EDDY compared with UAI in vitro.
    Methods: The systematic review was registered in the PROSPERO database (CRD42021235826). A literature search was conducted in six electronic databases. In vitro studies that compared the removal of smear layer, debris, soft tissue or microbes in root canals between EDDY and UAI were included. Data extraction and quality assessment were performed. Meta-analyses were conducted on smear layer removal and debris elimination with the standardized mean difference (SMD). Heterogeneity was measured using the I
    Results: 19 articles were included in this systematic review and 7 articles were included in meta-analyses. Meta-analyses on smear layer removal showed unimportant differences between EDDY and UAI at any canal third (coronal [SMD = 0.08, 95% confidence interval (95%CI): -0.29 to 0.45; p = 0.44, I
    Conclusions: Limited evidence indicated that EDDY was comparable to UAI in removing smear layer, debris, soft tissue and microbes ex vivo. Considering UAI may damage canal walls, EDDY might be a substitute for UAI in irrigation activation. But more randomized clinical trials are required to explore the clinical extrapolation of the results in this review.
    MeSH term(s) Humans ; Dental Pulp Cavity ; Root Canal Preparation/methods ; Smear Layer ; Root Canal Irrigants/therapeutic use ; Therapeutic Irrigation/methods ; Microscopy, Electron, Scanning ; Sodium Hypochlorite
    Chemical Substances Root Canal Irrigants ; Sodium Hypochlorite (DY38VHM5OD)
    Language English
    Publishing date 2023-03-17
    Publishing country England
    Document type Meta-Analysis ; Systematic Review ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2091511-1
    ISSN 1472-6831 ; 1472-6831
    ISSN (online) 1472-6831
    ISSN 1472-6831
    DOI 10.1186/s12903-023-02875-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Trends Analysis of Non-Hodgkin Lymphoma at the National, Regional, and Global Level, 1990-2019: Results From the Global Burden of Disease Study 2019.

    Cai, Wenwen / Zeng, Qingle / Zhang, Xingxing / Ruan, Weiqing

    Frontiers in medicine

    2021  Volume 8, Page(s) 738693

    Abstract: Background: ...

    Abstract Background:
    Language English
    Publishing date 2021-09-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2775999-4
    ISSN 2296-858X
    ISSN 2296-858X
    DOI 10.3389/fmed.2021.738693
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Exploring the immune-inflammatory mechanism of Maxing Shigan Decoction in treating influenza virus A-induced pneumonia based on an integrated strategy of single-cell transcriptomics and systems biology.

    Zhang, Shiying / Li, Bei / Zeng, Liuting / Yang, Kailin / Jiang, Junyao / Lu, Fangguo / Li, Ling / Li, Weiqing

    European journal of medical research

    2024  Volume 29, Issue 1, Page(s) 234

    Abstract: Background: Influenza is an acute respiratory infection caused by influenza virus. Maxing Shigan Decoction (MXSGD) is a commonly used traditional Chinese medicine prescription for the prevention and treatment of influenza. However, its mechanism remains ...

    Abstract Background: Influenza is an acute respiratory infection caused by influenza virus. Maxing Shigan Decoction (MXSGD) is a commonly used traditional Chinese medicine prescription for the prevention and treatment of influenza. However, its mechanism remains unclear.
    Method: The mice model of influenza A virus pneumonia was established by nasal inoculation. After 3 days of intervention, the lung index was calculated, and the pathological changes of lung tissue were detected by HE staining. Firstly, transcriptomics technology was used to analyze the differential genes and important pathways in mouse lung tissue regulated by MXSGD. Then, real-time fluorescent quantitative PCR (RT-PCR) was used to verify the changes in mRNA expression in lung tissues. Finally, intestinal microbiome and intestinal metabolomics were performed to explore the effect of MXSGD on gut microbiota.
    Results: The lung inflammatory cell infiltration in the MXSGD group was significantly reduced (p < 0.05). The results of bioinformatics analysis for transcriptomics results show that these genes are mainly involved in inflammatory factors and inflammation-related signal pathways mediated inflammation biological modules, etc. Intestinal microbiome showed that the intestinal flora Actinobacteriota level and Desulfobacterota level increased in MXSGD group, while Planctomycetota in MXSGD group decreased. Metabolites were mainly involved in primary bile acid biosynthesis, thiamine metabolism, etc. This suggests that MXSGD has a microbial-gut-lung axis regulation effect on mice with influenza A virus pneumonia.
    Conclusion: MXSGD may play an anti-inflammatory and immunoregulatory role by regulating intestinal microbiome and intestinal metabolic small molecules, and ultimately play a role in the treatment of influenza A virus pneumonia.
    MeSH term(s) Mice ; Animals ; Humans ; Drugs, Chinese Herbal/pharmacology ; Drugs, Chinese Herbal/therapeutic use ; Alphainfluenzavirus ; Influenza, Human/drug therapy ; Influenza, Human/genetics ; Pneumonia/drug therapy ; Pneumonia/genetics ; Inflammation ; Orthomyxoviridae ; Influenza A virus ; Systems Biology ; Gene Expression Profiling
    Chemical Substances Drugs, Chinese Herbal
    Language English
    Publishing date 2024-04-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 1329381-3
    ISSN 2047-783X ; 0949-2321
    ISSN (online) 2047-783X
    ISSN 0949-2321
    DOI 10.1186/s40001-024-01777-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Oxidative Phosphorylation-Related Signature Participates in Cancer Development, and PTPRG Overexpression Suppresses the Cancer Progression in Clear Cell Renal Cell Carcinoma.

    Huang, Liang / Xie, Yu / Han, Weiqing / Jiang, Shusuan / Zeng, Lingfeng

    Journal of immunology research

    2022  Volume 2022, Page(s) 8300187

    Abstract: Clear cell renal cell carcinoma (ccRCC) was a common cancer type diagnosed with frequent metastases, harboring an unfavorable therapeutic response, and results in a poor prognosis. More promising therapeutic targets are urgently required for treating ... ...

    Abstract Clear cell renal cell carcinoma (ccRCC) was a common cancer type diagnosed with frequent metastases, harboring an unfavorable therapeutic response, and results in a poor prognosis. More promising therapeutic targets are urgently required for treating ccRCC. This study was conducted to explore the role of oxidative phosphorylation in ccRCC development and reveal its clinical potential. We first identified oxidative phosphorylation-related clusters based on consensus clustering and validated their diversity in the genome instability, environmental infiltration, and immunosuppression by Gistic, ESTIMATE, GSVA, and TIDE web tools. We also compared their prognostic and clinical feature differences and predicted the IC50 level between the clusters using pRRophetic. Subsequently, we performed weighted gene coexpression network analysis to select cluster-related genes and performed functional analysis for them. The cluster-related genes were adopted to construct a risk score and nomogram for predicting patient prognosis with predictive accuracy evaluated. Finally, we performed lentivirus to induce ccRCC cell PTPRG overexpression and conducted western blot experiments to detect the critical protein expression of oxidative phosphorylation, apoptosis, cell cycle, and epithelial-mesenchymal transition processes. Also, the cell cycle and apoptosis level were evaluated by flow cytometry. As a result, we discovered that both the C1 cluster and high-risk group predicted patient survival with high accuracy and characterized lower survival rates, lower oxidative phosphorylation levels, higher immune infiltration, and malignant clinical features. Besides, we observed that overexpression of PTPRG activated oxidative phosphorylation and inhibited apoptosis. Its overexpression also depressed the epithelial-mesenchymal transition and promoted G1/S cell cycle arrest. Comprehensively, we confirmed the anticancer role of oxidative phosphorylation in ccRCC cells and discovered its association with immune and immunosuppression. PTPRG was also identified as a potential therapeutic target due to its multiple anticancer effects. We believe this study discovered a novel mechanism of ccRCC pathological progression and will provide promising targets for therapeutic strategy development.
    MeSH term(s) Humans ; Carcinoma, Renal Cell/pathology ; Kidney Neoplasms/pathology ; Oxidative Phosphorylation ; Disease Progression ; Prognosis ; Receptor-Like Protein Tyrosine Phosphatases, Class 5/metabolism
    Chemical Substances PTPRG protein, human (EC 3.1.3.48) ; Receptor-Like Protein Tyrosine Phosphatases, Class 5 (EC 3.1.3.48)
    Language English
    Publishing date 2022-11-10
    Publishing country Egypt
    Document type Journal Article
    ZDB-ID 2817541-4
    ISSN 2314-7156 ; 2314-7156
    ISSN (online) 2314-7156
    ISSN 2314-7156
    DOI 10.1155/2022/8300187
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Recent Developments in G-Quadruplex Binding Ligands and Specific Beacons on Smart Fluorescent Sensor for Targeting Metal Ions and Biological Analytes.

    Zhao, Long / Ahmed, Farid / Zeng, Yating / Xu, Weiqing / Xiong, Hai

    ACS sensors

    2022  Volume 7, Issue 10, Page(s) 2833–2856

    Abstract: The G-quadruplex structure is crucial in several biological processes, including DNA replication, transcription, and genomic maintenance. G-quadruplex-based fluorescent probes have recently gained popularity because of their ease of use, low cost, ... ...

    Abstract The G-quadruplex structure is crucial in several biological processes, including DNA replication, transcription, and genomic maintenance. G-quadruplex-based fluorescent probes have recently gained popularity because of their ease of use, low cost, excellent selectivity, and sensitivity. This review summarizes the latest applications of G-quadruplex structures as detectors of genome-wide, enantioselective catalysts, disease therapeutics, promising drug targets, and smart fluorescence probes. In every section, sensing of G-quadruplex and employing G4 for the detection of other analytes were introduced, respectively. Since the discovery of the G-quadruplex structure, several studies have been conducted to investigate its conformations, biological potential, stability, reactivity, selectivity for chemical modification, and optical properties. The formation mechanism and advancements for detecting different metal ions (Na
    MeSH term(s) Ligands ; G-Quadruplexes ; Fluorescent Dyes/chemistry ; DNA/chemistry ; Ions
    Chemical Substances Ligands ; Fluorescent Dyes ; DNA (9007-49-2) ; Ions
    Language English
    Publishing date 2022-09-16
    Publishing country United States
    Document type Journal Article ; Review ; Research Support, Non-U.S. Gov't
    ISSN 2379-3694
    ISSN (online) 2379-3694
    DOI 10.1021/acssensors.2c00992
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Trends of cervical cancer at global, regional, and national level

    Xingxing Zhang / Qingle Zeng / Wenwen Cai / Weiqing Ruan

    BMC Public Health, Vol 21, Iss 1, Pp 1-

    data from the Global Burden of Disease study 2019

    2021  Volume 10

    Abstract: Abstract Background Cervical cancer is an important global health problem. In this study we aimed to analyze trends in cervical cancer at the global, regional, and national levels from 1990 to 2019, to inform health service decision-making. Methods Data ... ...

    Abstract Abstract Background Cervical cancer is an important global health problem. In this study we aimed to analyze trends in cervical cancer at the global, regional, and national levels from 1990 to 2019, to inform health service decision-making. Methods Data on cervical cancer was extracted from the Global Burden of Disease study, 2019. Trends in cervical cancer burden were assessed based on estimated annual percentage change (EAPC) and age-standardized rate (ASR). Results Globally, decreasing trends were observed in incidence, death, and disability adjusted life years (DALYs) of cervical cancer from 1990 to 2019, with respective EAPCs of − 0.38 (95% confidence interval [CI]: − 0.41 to − 0.34), − 0.93 (95%CI: − 0.98 to − 0.88), and − 0.95 (95 CI%: − 1.00 to − 0.90). Meanwhile, decreasing trends were detected in most sociodemographic index (SDI) areas and geographic regions, particularly death and DALYs in Central Latin America, with respective EAPCs of − 2.61 (95% CI: − 2.76 to − 2.46) and − 2.48 (95% CI: − 2.63 to − 2.32); hhowever, a pronounced increasing trend in incidence occurred in East Asia (EAPC = 1.33; 95% CI: 1.12 to 1.55). At the national level, decreasing trends in cervical cancer were observed in most countries/territories, particularly DALYs in the Maldives (EAPC = − 5.06; 95% CI: − 5.40 to − 4.72), Whereas increasing trends were detected in Lesotho, Zimbabwe, and Bulgaria. Conclusions Slowly decreasing trends in cervical cancer were detected worldwide from 1990 to 2019. Cervical cancer remains a substantial health problem for women globally, requiring more effective prevention and control strategies.
    Keywords Cervical cancer ; Global burden of disease ; Quality-adjusted life years ; Global Health ; Health services ; Public aspects of medicine ; RA1-1270
    Language English
    Publishing date 2021-05-01T00:00:00Z
    Publisher BMC
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Comprehensive analysis of suppressor of cytokine signaling 2 protein in the malignant transformation of NSCLC.

    Ma, Guoyuan / Zeng, Yukai / Zhong, Weiqing / Zhao, Xiaogang / Wang, Guanghui / Bie, Fenglong / Du, Jiajun

    Experimental and therapeutic medicine

    2023  Volume 26, Issue 2, Page(s) 370

    Abstract: Suppressor of cytokine signaling 2 (SOCS2) plays an essential role in a number of physiological phenomena and functions as a tumor suppressor. Understanding the predictive effects of SOCS2 on non-small cell lung cancer (NSCLC) is urgently needed. The ... ...

    Abstract Suppressor of cytokine signaling 2 (SOCS2) plays an essential role in a number of physiological phenomena and functions as a tumor suppressor. Understanding the predictive effects of SOCS2 on non-small cell lung cancer (NSCLC) is urgently needed. The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) databases were used to assess SOCS2 gene expression levels in NSCLC. The clinical significance of SOCS2 was evaluated through Kaplan-Meier curve analysis and the analysis of related clinical factors. Gene Set Enrichment Analysis (GSEA) was used to identify the biological functions of SOCS2. Subsequently proliferation, wound-healing, colony formation and Transwell assays, and carboplatin drug experiments were used for verification. The results revealed that SOCS2 expression was low in the NSCLC tissues of patients in TCGA and GEO database analyses. Downregulated SOCS2 was associated with poor prognosis, as determined by Kaplan-Meier survival analysis (HR 0.61, 95% CI 0.52-0.73; P<0.001). GSEA showed that SOCS2 was involved in intracellular reactions, including epithelial-mesenchymal transition (EMT). Cell experiments indicated that knockdown of SOCS2 caused the malignant progression of NSCLC cell lines. Furthermore, the drug experiment showed that silencing of SOCS2 promoted the resistance of NSCLC cells to carboplatin. In conclusion, low expression of SOCS2 was associated with poor clinical prognosis by effecting EMT and causing drug resistance in NSCLC cell lines. Furthermore, SOCS2 could act as a predictive indicator for NSCLC.
    Language English
    Publishing date 2023-06-19
    Publishing country Greece
    Document type Journal Article
    ZDB-ID 2683844-8
    ISSN 1792-1015 ; 1792-0981
    ISSN (online) 1792-1015
    ISSN 1792-0981
    DOI 10.3892/etm.2023.12069
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Kaempferol Attenuates Gouty Arthritis by Regulating the Balance of Th17/Treg Cells and Secretion of IL-17.

    Li, Nan / Chen, Shulin / Deng, Weiqing / Gong, Zhaohui / Guo, Yu / Zeng, Shan / Xu, Qiang

    Inflammation

    2023  Volume 46, Issue 5, Page(s) 1901–1916

    Abstract: Kaempferol is a common flavonoid aglycone widely found in plants. It exhibits beneficial therapeutic effects in the treatment of arthritis. However, the effects of kaempferol on gouty arthritis (GA) have not been verified. This study aimed to explore the ...

    Abstract Kaempferol is a common flavonoid aglycone widely found in plants. It exhibits beneficial therapeutic effects in the treatment of arthritis. However, the effects of kaempferol on gouty arthritis (GA) have not been verified. This study aimed to explore the potential mechanisms by which kaempferol regulates GA by network pharmacology and experimental validation. Potential drug targets for GA were identified with a protein-protein interaction network. Then, we performed a KEGG pathway analysis to elucidate the major pathway involved in the kaempferol-mediated treatment of GA. In addition, the molecular docking was performed. A rat model of GA was constructed to verify the results of network pharmacology analysis and investigate the mechanism of kaempferol against GA. The network pharmacology study indicated that there were 275 common targets of kaempferol and GA treatment. Kaempferol exerted therapeutic effects on GA, in part, by regulating the IL-17, AGE-RAGE, p53, TNF, and FoxO signaling pathways. Molecular docking results showed that kaempferol stably docked with the core MMP9, ALB, CASP3, TNF, VEGFA, CCL2, CXCL8, AKT1, JUN, and INS. Experimental validation suggested that kaempferol eased MSU-induced mechanical allodynia, ankle edema, and inflammation. It significantly suppressed the expression of IL-1β, IL-6, TNF-α, and TGF-β1 and restored Th17/Treg imbalance in MSU-induced rats and IL-6-induced PBMCs. Kaempferol also affected RORγt and Foxp3 through IL-17 pathway. The present study clarifies the mechanism of kaempferol against GA and provides evidence to support its clinical use.
    MeSH term(s) Animals ; Rats ; Arthritis, Gouty/chemically induced ; Arthritis, Gouty/drug therapy ; T-Lymphocytes, Regulatory ; Interleukin-17 ; Interleukin-6 ; Kaempferols/pharmacology ; Kaempferols/therapeutic use ; Molecular Docking Simulation ; Drugs, Chinese Herbal
    Chemical Substances Interleukin-17 ; Interleukin-6 ; Kaempferols ; Drugs, Chinese Herbal
    Language English
    Publishing date 2023-06-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 434408-x
    ISSN 1573-2576 ; 0360-3997
    ISSN (online) 1573-2576
    ISSN 0360-3997
    DOI 10.1007/s10753-023-01849-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Knockdown of TXNDC5 alleviates CCL4-induced hepatic fibrosis in mice by enhancing endoplasmic reticulum stress.

    Zhang, Lei / Zeng, Jieying / Wu, Huaiyu / Tian, Hongtian / Song, Di / Wu, Weiqing / Dong, Fajin

    The American journal of the medical sciences

    2023  Volume 366, Issue 6, Page(s) 449–457

    Abstract: Background: Hepatic fibrosis is a common pathological process in many chronic liver diseases. TXNDC5 has been shown to be involved in the progression of renal and pulmonary fibrosis. However, the role of TXNDC5 in hepatic fibrosis is unknown. The ... ...

    Abstract Background: Hepatic fibrosis is a common pathological process in many chronic liver diseases. TXNDC5 has been shown to be involved in the progression of renal and pulmonary fibrosis. However, the role of TXNDC5 in hepatic fibrosis is unknown. The purpose of this study is to explore the role and mechanism of TXNDC5 in hepatic fibrosis.
    Methods: We used TGF-β1 to activate LX-2 cells and reduced TXNDC5 expression by short hairpin RNA. Cell viability was assessed by CCK-8 assay. Cell apoptosis was analyzed by flow cytometry or Tunel assay. The fibrosis-related proteins and endoplasmic reticulum stress (ERs)-related proteins were measured by western blot. ELISA was performed to detect COL1AL levels and MMP2/9 activities in cell medium. A mouse model of hepatic fibrosis was constructed by intraperitoneal injection of CCL4. HE and Masson staining were performed to assess fibrosis in mouse liver tissue.
    Results: The results show that TXNDC5 was up-regulated in activated LX-2 cells and CCL4-induced hepatic fibrosis mice. Knockdown of TXNDC5 inhibited the viability of activated LX-2 cells and the production of collagen COL1A1. Knockdown of TXNDC5 promoted apoptosis of activated LX-2 cells. Mechanically, inhibition of TXNDC5 enhanced ERs, and the ERs inhibitor 4-Phenylbutyric acid (4-PBA) reversed the effect of TXNDC5 on activated LX-2 cells. More importantly, knockdown of TXNDC5 alleviated CCl4-induced hepatic fibrosis in mice.
    Conclusions: Knockdown of TXNDC5 may reduce hepatic fibrosis by regulating ERs, and targeting TXNDC5 seems to be a candidate treatment for hepatic fibrosis.
    MeSH term(s) Animals ; Mice ; Collagen ; Disease Models, Animal ; Endoplasmic Reticulum Stress ; Fibrosis ; Hepatic Stellate Cells/metabolism ; Liver Cirrhosis/chemically induced ; Liver Cirrhosis/drug therapy ; Transforming Growth Factor beta1/metabolism
    Chemical Substances Collagen (9007-34-5) ; Transforming Growth Factor beta1 ; carbon tetrabromide (NLH657095L)
    Language English
    Publishing date 2023-09-15
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 82078-7
    ISSN 1538-2990 ; 0002-9629
    ISSN (online) 1538-2990
    ISSN 0002-9629
    DOI 10.1016/j.amjms.2023.08.016
    Database MEDical Literature Analysis and Retrieval System OnLINE

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