99951
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Shimoyama S, Kawata K, Ohta K, Chida T, Suzuki T, Tsuneyama K, Shimoda S, Kurono N, Leung PSC, Gershwin ME, Suda T, Kobayashi Y. Ursodeoxycholic acid impairs liver-infiltrating T-cell chemotaxis through IFN-γ and CX3CL1 production in primary biliary cholangitis. Eur J Immunol 2021; 51:1519-1530. [PMID: 33710617 DOI: 10.1002/eji.202048589] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 02/05/2021] [Accepted: 03/09/2021] [Indexed: 11/05/2022]
Abstract
Ursodeoxycholic acid (UDCA) is the primary treatment for primary biliary cholangitis (PBC), but its mechanism of action remains unclear. Studies suggest that UDCA enhances NF erythroid 2-related factor 2 (NFE2L2) expression and that the interaction between IFN-γ and C-X3-C motif chemokine ligand 1 (CX3CL1) facilitates biliary inflammation in PBC. Therefore, we examined the effects of UDCA on the expression of IFN-γ and CX3CL1 in in vitro and in vivo PBC models such as human liver tissue, a murine model, cell lines, and isolated human intrahepatic biliary epithelial cells (IHBECs). We observed a significant decrease in IFN-γ mRNA levels and positive correlations between IFN-γ and CX3CL1 mRNA levels post-UDCA treatment in PBC livers. NFE2L2-mediated transcriptional activation was significantly enhanced in UDCA-treated Jurkat cells. In 2-octynoic acid-immunized mice, IFN-γ production by liver-infiltrating T cells was dependent on NFE2L2 activation. IFN-γ significantly and dose-dependentlyinduced CX3CL1 expression, which was significantly decreased in HuCC-T1 cells and IHBECs upon UDCA treatment. These results suggest that UDCA-induced suppression of IFN-γ and CX3CL1 production attenuates the chemotactic and adhesive abilities of liver-infiltrating T cells in PBC.
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Affiliation(s)
- Shin Shimoyama
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Kazuhito Kawata
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Kazuyoshi Ohta
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan.,Department of Virology and Parasitology, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Takeshi Chida
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan.,Department of Virology and Parasitology, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Tetsuro Suzuki
- Department of Virology and Parasitology, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Koichi Tsuneyama
- Department of Pathology and Laboratory Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Tokushima, Japan
| | - Shinji Shimoda
- Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Fukuoka, Japan
| | - Nobuhito Kurono
- Department of Chemistry, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Patrick S C Leung
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis School of Medicine, Davis, CA, USA
| | - M Eric Gershwin
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis School of Medicine, Davis, CA, USA
| | - Takafumi Suda
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Yoshimasa Kobayashi
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
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99952
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Hammond S, Thomson P, Meng X, Naisbitt D. In-Vitro Approaches to Predict and Study T-Cell Mediated Hypersensitivity to Drugs. Front Immunol 2021; 12:630530. [PMID: 33927714 PMCID: PMC8076677 DOI: 10.3389/fimmu.2021.630530] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 03/17/2021] [Indexed: 01/11/2023] Open
Abstract
Mitigating the risk of drug hypersensitivity reactions is an important facet of a given pharmaceutical, with poor performance in this area of safety often leading to warnings, restrictions and withdrawals. In the last 50 years, efforts to diagnose, manage, and circumvent these obscure, iatrogenic diseases have resulted in the development of assays at all stages of a drugs lifespan. Indeed, this begins with intelligent lead compound selection/design to minimize the existence of deleterious chemical reactivity through exclusion of ominous structural moieties. Preclinical studies then investigate how compounds interact with biological systems, with emphasis placed on modeling immunological/toxicological liabilities. During clinical use, competent and accurate diagnoses are sought to effectively manage patients with such ailments, and pharmacovigilance datasets can be used for stratification of patient populations in order to optimise safety profiles. Herein, an overview of some of the in-vitro approaches to predict intrinsic immunogenicity of drugs and diagnose culprit drugs in allergic patients after exposure is detailed, with current perspectives and opportunities provided.
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Affiliation(s)
- Sean Hammond
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
- ApconiX, Alderley Park, Alderley Edge, United Kingdom
| | - Paul Thomson
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Xiaoli Meng
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Dean Naisbitt
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
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99953
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Zhang Z, Ju F, Chen F, Wu H, Chen J, Zhong J, Shao L, Zheng S, Wang L, Xue M. GDC-0326 Enhances the Effects of 5-Fu in Colorectal Cancer Cells by Inducing Necroptotic Death. Onco Targets Ther 2021; 14:2519-2530. [PMID: 33880032 PMCID: PMC8053532 DOI: 10.2147/ott.s302334] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 03/24/2021] [Indexed: 12/24/2022] Open
Abstract
AIM Chemoresistance to 5-fluorouracil (5-Fu) is common in colorectal cancer (CRC). Programmed necrosis (necroptosis) is an alternative form of programmed cell death regulated by receptor-interacting protein kinase (RIPK) 1 and 3, assumed as a novel target of cancer therapy. In this study, we aimed to explore whether a novel small molecular agent GDC-0326 could facilitate the effect of 5-Fu through necroptosis. MAIN METHODS Cell Counting Kit-8 (CCK-8) assay and colony formation were performed to confirm the function of GDC-0326 in CRC cells. Western blot and immunofluorescence were conducted to measure the altered expressions of RIPK1/RIPK3 induced by GDC-0326. Subcutaneous tumor models were used to evaluate the chemotherapeutic effects and concomitant side effects of GDC-0326 in vivo. KEY FINDINGS We found that GDC-0326 effectively suppressed the growth of CRC cells in a dose-dependent manner. The induction of necroptosis by GDC-0326 was correlated with the modulation of RIPK1 and RIPK3. Necrostatin-1 and GSK-872, inhibitors of RIPK1 and RIPK3, respectively, could rescue the cell death induced by GDC-0326. In addition, in vitro and in vivo studies showed that 5-Fu plus GDC-0326 evinced a better antitumor efficacy by suppressing tumor growth and increasing tumor necrosis with no increased toxicity. SIGNIFICANCE This study demonstrates that GDC-0326 plus 5-Fu has augmented antitumor efficacy and acceptable safety, which might be a promising therapeutic strategy for CRC patients in the future.
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Affiliation(s)
- Zizhen Zhang
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Fangyu Ju
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Fei Chen
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Haoyue Wu
- Institute of Genetics and Department of Genetics, Zhejiang University School of Medicine, Hangzhou, 310012, People’s Republic of China
| | - Jingyu Chen
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Jing Zhong
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Liming Shao
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Sheng Zheng
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Liangjing Wang
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
| | - Meng Xue
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310020, People’s Republic of China
- Institution of Gastroenterology, Zhejiang University, Hangzhou, 310000, People’s Republic of China
- Zhejiang University Cancer Center, Hangzhou, 310000, People’s Republic of China
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99954
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Albhaisi S, Sanyal AJ. Does Nonalcoholic Fatty Liver Disease Increase the Risk for Extrahepatic Malignancies? Clin Liver Dis (Hoboken) 2021; 17:215-219. [PMID: 33868668 PMCID: PMC8043706 DOI: 10.1002/cld.1029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/02/2020] [Accepted: 08/15/2020] [Indexed: 02/04/2023] Open
Affiliation(s)
- Somaya Albhaisi
- Department of Internal MedicineVirginia Commonwealth UniversityRichmondVA
| | - Arun J. Sanyal
- Division of Gastroenterology, Hepatology and NutritionDepartment of Internal MedicineVirginia Commonwealth UniversityRichmondVA
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99955
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Doshi RK, Ruben M, Drezner K, Lachmann A, Kuo I, Chanes-Mora P, Varga L, Saafir-Callaway B, Visconti A, Kharfen M. Knowledge, Attitudes, and Behaviors Related to Hepatitis C Screening and Treatment among Health Care Providers in Washington, DC. J Community Health 2021; 45:785-794. [PMID: 32125591 DOI: 10.1007/s10900-020-00794-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Elimination of chronic hepatitis C (HCV) will require scaling up treatment, including possible HCV treatment by primary care providers. The District of Columbia (DC) has a substantial population living with untreated hepatitis C, and treatment expansion would benefit the resident population. The aim of this study was to assess the knowledge, attitudes, and behaviors of primary care providers and specialists related to hepatitis C screening and treatment. We conducted a prospective, online survey of physicians and nurse practitioners (n = 153) in DC on their knowledge, attitudes, and behaviors related to hepatitis C screening and treatment, as well as referral patterns, interest in learning, and preferred learning modalities. We compared responses by provider type. Key findings indicated that HCV screening and treatment knowledge was higher among specialty physicians as compared to primary care providers. The most common reported facilitators of HCV screening included a prompt in the electronic medical record (63%), patient education (57%), and support staff (41%). While 71% reported that HCV treatment was important in the community they serve, only 26% indicated that access to HCV specialist expertise and consultation was a major area of need. Additionally, 59% reported that they refer all HCV patients to specialists for treatment. Primary care providers in DC had moderate interest in learning how to treat chronic hepatitis C, but they need additional training. Patients are typically referred to gastroenterology, infectious diseases, and hepatology specialists who may have limited capacity to expand treatment.
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Affiliation(s)
- Rupali Kotwal Doshi
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA. .,George Washington University, 950 New Hampshire Avenue NW, Washington, DC, 20052, USA.
| | - Max Ruben
- George Washington University, 950 New Hampshire Avenue NW, Washington, DC, 20052, USA
| | - Kate Drezner
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA
| | - Alexandra Lachmann
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA
| | - Irene Kuo
- George Washington University, 950 New Hampshire Avenue NW, Washington, DC, 20052, USA
| | - Paola Chanes-Mora
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA
| | - Leah Varga
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA.,George Washington University, 950 New Hampshire Avenue NW, Washington, DC, 20052, USA
| | - Brittani Saafir-Callaway
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA
| | - Adam Visconti
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA
| | - Michael Kharfen
- District of Columbia Department of Health, HIV/AIDS, Hepatitis, STD and TB Administration, 899 N. Capitol Street NE, Washington, DC, 20002, USA
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99956
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F4/80 + Kupffer Cell-Derived Oncostatin M Sustains the Progression Phase of Liver Regeneration through Inhibition of TGF-β2 Pathway. Molecules 2021; 26:molecules26082231. [PMID: 33924385 PMCID: PMC8069260 DOI: 10.3390/molecules26082231] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/15/2021] [Accepted: 04/08/2021] [Indexed: 12/29/2022] Open
Abstract
The role of Kupffer cells (KCs) in liver regeneration is complicated and controversial. To investigate the distinct role of F4/80+ KCs at the different stages of the regeneration process, two-thirds partial hepatectomy (PHx) was performed in mice to induce physiological liver regeneration. In pre- or post-PHx, the clearance of KCs by intraperitoneal injection of the anti-F4/80 antibody (α-F4/80) was performed to study the distinct role of F4/80+ KCs during the regenerative process. In RNA sequencing of isolated F4/80+ KCs, the initiation phase was compared with the progression phase. Immunohistochemistry and immunofluorescence staining of Ki67, HNF-4α, CD-31, and F4/80 and Western blot of the TGF-β2 pathway were performed. Depletion of F4/80+ KCs in pre-PHx delayed the peak of hepatocyte proliferation from 48 h to 120 h, whereas depletion in post-PHx unexpectedly led to persistent inhibition of hepatocyte proliferation, indicating the distinct role of F4/80+ KCs in the initiation and progression phases of liver regeneration. F4/80+ KC depletion in post-PHx could significantly increase TGF-β2 serum levels, while TGF-βRI partially rescued the impaired proliferation of hepatocytes. Additionally, F4/80+ KC depletion in post-PHx significantly lowered the expression of oncostatin M (OSM), a key downstream mediator of interleukin-6, which is required for hepatocyte proliferation during liver regeneration. In vivo, recombinant OSM (r-OSM) treatment alleviated the inhibitory effect of α-F4/80 on the regenerative progression. Collectively, F4/80+ KCs release OSM to inhibit TGF-β2 activation, sustaining hepatocyte proliferation by releasing a proliferative brake.
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99957
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Explore prognostic biomarker of bladder cancer based on competing endogenous network. Biosci Rep 2021; 40:226921. [PMID: 33169791 PMCID: PMC7711062 DOI: 10.1042/bsr20202463] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 10/13/2020] [Accepted: 11/09/2020] [Indexed: 12/24/2022] Open
Abstract
Bladder cancer (BC) is the most common tumor of the urinary tract. Increasing evidence showed that long non-coding RNA (lncRNA) is a critical regulator in cancer development and progression. However, the functions of lncRNAs in the development of BC remain mostly undefined. In the present study, based on RNA sequence profiles from The Cancer Genome Atlas database, we identified 723 lncRNAs, 157 miRNAs, and 1816 mRNAs aberrantly expressed in BC tissues. A competing endogenous RNA network, including 49 lncRNAs, 17 miRNAs, and 36 mRNAs, was then established. The functional enrichment analyses showed that the mRNAs in the ceRNA network mainly participated in ‘regulation of transcription’ and ‘pathways in cancer’. Moreover, the Cox regression analyses demonstrated that three lncRNAs (AC112721.1, TMPRSS11GP, and ADAMTS9-AS1) could serve as independent risk factors. We established a risk prediction model with these lncRNAs. Kaplan–Meier curve analysis showed that high-risk patients’ prognosis was lower than that of low-risk patients (P=0.001). The present study provides novel insights into the lncRNA-mediated ceRNA network and the potential of lncRNAs to be candidate prognostic biomarkers in BC, which could help better understand the pathological changes and pathogenesis of BC and be useful for clinical studies in the future.
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99958
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Acetylshikonin Induces Apoptosis in Human Colorectal Cancer HCT-15 and LoVo Cells via Nuclear Translocation of FOXO3 and ROS Level Elevation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6647107. [PMID: 33953834 PMCID: PMC8057882 DOI: 10.1155/2021/6647107] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/24/2021] [Accepted: 04/02/2021] [Indexed: 12/11/2022]
Abstract
Acetylshikonin, a naphthoquinone, is a pigment compound derived from Arnebia sp., which is known for its anti-inflammatory potential. However, its anticarcinogenic effect has not been well investigated. Thus, in this study, we focused on investigating its apoptotic effects against HCT-15 and LoVo cells, which are human colorectal cancer cells. MTT assay, cell counting assay, and colony formation assay have shown acetylshikonin treatment induced cytotoxic and antiproliferative effects against colorectal cancer cells in a dose- and time-dependent manner. DNA fragmentation was observed via terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay. Also, the increase of subG1 phase in cell cycle arrest assay and early/late apoptotic rates in annexin V/propidium iodide (PI) double staining assay was observed, which indicates an apoptotic potential of acetylshikonin against colorectal cancer cells. 2′,7′-Dichlorofluorescin diacetate (DCF-DA) staining was used to evaluate reactive oxygen species (ROS) generation in acetylshikonin-treated colorectal cancer cells. Fluorescence-activated cell sorting (FACS) analysis showed that acetylshikonin induced an increase in reactive oxygen species (ROS) levels and apoptotic rate in a dose- and time-dependent manner in HCT-15 and LoVo cells. In contrast, cotreatment with N-acetyl cysteine (NAC) has reduced ROS generation and antiproliferative effects in colorectal cancer cells. Western blotting analysis showed that acetylshikonin treatment induced increase of cleaved PARP, γH2AX, FOXO3, Bax, Bim, Bad, p21, p27, and active forms of caspase-3, caspase-7, caspase-9, caspase-6, and caspase-8 protein levels, while those of inactive forms were decreased. Also, the expressions of pAkt, Bcl-2, Bcl-xL, peroxiredoxin, and thioredoxin 1 were decreased. Furthermore, western blotting analysis of cytoplasmic and nuclear fractionated proteins showed that acetylshikonin treatment induced the nuclear translocation of FOXO3, which might result from DNA damage by the increased intracellular ROS level. This study represents apoptotic potential of acetylshikonin against colorectal cancer cells via translocation of FOXO3 to the nucleus and upregulation of ROS generation.
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99959
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Chen L, Zhu X, Han B, Ji L, Yao L, Wang Z. High Expression of microRNA-223 Indicates a Good Prognosis in Triple-Negative Breast Cancer. Front Oncol 2021; 11:630432. [PMID: 33928027 PMCID: PMC8078593 DOI: 10.3389/fonc.2021.630432] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 03/12/2021] [Indexed: 12/19/2022] Open
Abstract
Purpose MicroRNAs can influence many biological processes and have shown promise as cancer biomarkers. Few studies have focused on the expression of microRNA-223 (miR-223) and its precise role in breast cancer (BC). We aimed to examine the expression level of miR-223 and its prognostic value in BC. Methods Tissue microarray (TMA)-based miRNA detection in situ hybridization (ISH) with a locked nucleic acid (LNA) probe was used to detect miR-223 expression in 450 BC tissue samples. Overall survival (OS) and disease-free survival (DFS) were compared between two groups using the Kaplan-Meier method and Cox regression model. Results OS and DFS were prolonged in the high miR-223 expression group compared to the low miR-223 expression group (p < 0.0001 and p = 0.017, respectively), especially in patients with the triple-negative breast cancer (TNBC) subtype (p = 0.046 and p < 0.001, respectively). Univariate and multivariate Cox regression analyses revealed that TNM stage (p = 0.008), the molecular subtype (p = 0.049), and miR-223 (p < 0.001) were independently associated with OS and DFS. External validation was performed with the METABRIC and The Cancer Genome Atlas (TCGA) databases via online webtools and was consistent with the data described above. Conclusions This study provides evidence that high miR-223 expression at diagnosis is associated with improved DFS and OS for BC patients, especially those with the TNBC subtype. miR-223 is a valid and independent prognostic biomarker in BC.
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Affiliation(s)
- Li Chen
- Key Laboratory of Breast Cancer in Shanghai, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiuzhi Zhu
- Key Laboratory of Breast Cancer in Shanghai, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Boyue Han
- Key Laboratory of Breast Cancer in Shanghai, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Lei Ji
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Ling Yao
- Key Laboratory of Breast Cancer in Shanghai, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Zhonghua Wang
- Key Laboratory of Breast Cancer in Shanghai, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
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99960
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Lv L, Gu S, Jiang H, Yan R, Chen Y, Chen Y, Luo R, Huang C, Lu H, Zheng B, Zhang H, Xia J, Tang L, Sheng G, Li L. Gut mycobiota alterations in patients with COVID-19 and H1N1 infections and their associations with clinical features. Commun Biol 2021; 4:480. [PMID: 33850296 PMCID: PMC8044104 DOI: 10.1038/s42003-021-02036-x] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 03/24/2021] [Indexed: 02/06/2023] Open
Abstract
The relationship between gut microbes and COVID-19 or H1N1 infections is not fully understood. Here, we compared the gut mycobiota of 67 COVID-19 patients, 35 H1N1-infected patients and 48 healthy controls (HCs) using internal transcribed spacer (ITS) 3-ITS4 sequencing and analysed their associations with clinical features and the bacterial microbiota. Compared to HCs, the fungal burden was higher. Fungal mycobiota dysbiosis in both COVID-19 and H1N1-infected patients was mainly characterized by the depletion of fungi such as Aspergillus and Penicillium, but several fungi, including Candida glabrata, were enriched in H1N1-infected patients. The gut mycobiota profiles in COVID-19 patients with mild and severe symptoms were similar. Hospitalization had no apparent additional effects. In COVID-19 patients, Mucoromycota was positively correlated with Fusicatenibacter, Aspergillus niger was positively correlated with diarrhoea, and Penicillium citrinum was negatively correlated with C-reactive protein (CRP). In H1N1-infected patients, Aspergillus penicilloides was positively correlated with Lachnospiraceae members, Aspergillus was positively correlated with CRP, and Mucoromycota was negatively correlated with procalcitonin. Therefore, gut mycobiota dysbiosis occurs in both COVID-19 patients and H1N1-infected patients and does not improve until the patients are discharged and no longer require medical attention. Lv et al. associate the gut mycobiota with clinical features and the bacterial microbiota by comparing COVID-19 patients to those infected with H1N1 and healthy controls. They find that gut mycobiota dysbiosis occurs in both COVID-19 patients and those infected with H1N1 and that it does not improve until patients no longer require medical attention, providing insights into a better healthcare guideline.
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Affiliation(s)
- Longxian Lv
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Silan Gu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Huiyong Jiang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Ren Yan
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yanfei Chen
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yunbo Chen
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Rui Luo
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chenjie Huang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Haifeng Lu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Beiwen Zheng
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Hua Zhang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jiafeng Xia
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Lingling Tang
- Department of Infectious Diseases, Shulan (Hangzhou) Hospital, Affiliated to Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Guoping Sheng
- Department of Infectious Diseases, Shulan (Hangzhou) Hospital, Affiliated to Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Lanjuan Li
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
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99961
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Michailidou Z, Gomez-Salazar M, Alexaki VI. Innate Immune Cells in the Adipose Tissue in Health and Metabolic Disease. J Innate Immun 2021; 14:4-30. [PMID: 33849008 DOI: 10.1159/000515117] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 02/09/2021] [Indexed: 11/19/2022] Open
Abstract
Metabolic disorders, such as obesity, type 2 diabetes mellitus, and nonalcoholic fatty liver disease, are characterized by chronic low-grade tissue and systemic inflammation. During obesity, the adipose tissue undergoes immunometabolic and functional transformation. Adipose tissue inflammation is driven by innate and adaptive immune cells and instigates insulin resistance. Here, we discuss the role of innate immune cells, that is, macrophages, neutrophils, eosinophils, natural killer cells, innate lymphoid type 2 cells, dendritic cells, and mast cells, in the adipose tissue in the healthy (lean) and diseased (obese) state and describe how their function is shaped by the obesogenic microenvironment, and humoral, paracrine, and cellular interactions. Moreover, we particularly outline the role of hypoxia as a central regulator in adipose tissue inflammation. Finally, we discuss the long-lasting effects of adipose tissue inflammation and its potential reversibility through drugs, caloric restriction, or exercise training.
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Affiliation(s)
- Zoi Michailidou
- Centre for Cardiovascular Sciences, Edinburgh University, Edinburgh, United Kingdom
| | - Mario Gomez-Salazar
- Centre for Cardiovascular Sciences, Edinburgh University, Edinburgh, United Kingdom
| | - Vasileia Ismini Alexaki
- Institute for Clinical Chemistry and Laboratory Medicine, Medical Faculty, Technische Universität Dresden, Dresden, Germany
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99962
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Ammendolia DA, Bement WM, Brumell JH. Plasma membrane integrity: implications for health and disease. BMC Biol 2021; 19:71. [PMID: 33849525 PMCID: PMC8042475 DOI: 10.1186/s12915-021-00972-y] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 02/01/2021] [Indexed: 12/12/2022] Open
Abstract
Plasma membrane integrity is essential for cellular homeostasis. In vivo, cells experience plasma membrane damage from a multitude of stressors in the extra- and intra-cellular environment. To avoid lethal consequences, cells are equipped with repair pathways to restore membrane integrity. Here, we assess plasma membrane damage and repair from a whole-body perspective. We highlight the role of tissue-specific stressors in health and disease and examine membrane repair pathways across diverse cell types. Furthermore, we outline the impact of genetic and environmental factors on plasma membrane integrity and how these contribute to disease pathogenesis in different tissues.
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Affiliation(s)
- Dustin A Ammendolia
- Cell Biology Program, Hospital for Sick Children, 686 Bay Street PGCRL, Toronto, ON, M5G 0A4, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A1, Canada
| | - William M Bement
- Center for Quantitative Cell Imaging and Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - John H Brumell
- Cell Biology Program, Hospital for Sick Children, 686 Bay Street PGCRL, Toronto, ON, M5G 0A4, Canada. .,Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A1, Canada. .,Institute of Medical Science, University of Toronto, Toronto, ON, M5S 1A1, Canada. .,SickKids IBD Centre, Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada.
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99963
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Wong VK, Fung AW, Elsayes KM. Magnetic Resonance Imaging of Hepatic Adenoma Subtypes. Clin Liver Dis (Hoboken) 2021; 17:113-118. [PMID: 33868649 PMCID: PMC8043715 DOI: 10.1002/cld.996] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/28/2020] [Accepted: 06/13/2020] [Indexed: 02/04/2023] Open
Affiliation(s)
- Vincenzo K. Wong
- Department of Abdominal ImagingThe University of Texas M.D. Anderson Cancer CenterHoustonTX
| | - Alice W. Fung
- Department of Diagnostic RadiologyOregon Health and Science UniversityPortlandOR
| | - Khaled M. Elsayes
- Department of Abdominal ImagingThe University of Texas M.D. Anderson Cancer CenterHoustonTX
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99964
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Morelli S, Piscioneri A, Salerno S, De Bartolo L. Hollow Fiber and Nanofiber Membranes in Bioartificial Liver and Neuronal Tissue Engineering. Cells Tissues Organs 2021; 211:447-476. [PMID: 33849029 DOI: 10.1159/000511680] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 09/16/2020] [Indexed: 11/19/2022] Open
Abstract
To date, the creation of biomimetic devices for the regeneration and repair of injured or diseased tissues and organs remains a crucial challenge in tissue engineering. Membrane technology offers advanced approaches to realize multifunctional tools with permissive environments well-controlled at molecular level for the development of functional tissues and organs. Membranes in fiber configuration with precisely controlled, tunable topography, and physical, biochemical, and mechanical cues, can direct and control the function of different kinds of cells toward the recovery from disorders and injuries. At the same time, fiber tools also provide the potential to model diseases in vitro for investigating specific biological phenomena as well as for drug testing. The purpose of this review is to present an overview of the literature concerning the development of hollow fibers and electrospun fiber membranes used in bioartificial organs, tissue engineered constructs, and in vitro bioreactors. With the aim to highlight the main biomedical applications of fiber-based systems, the first part reviews the fibers for bioartificial liver and liver tissue engineering with special attention to their multifunctional role in the long-term maintenance of specific liver functions and in driving hepatocyte differentiation. The second part reports the fiber-based systems used for neuronal tissue applications including advanced approaches for the creation of novel nerve conduits and in vitro models of brain tissue. Besides presenting recent advances and achievements, this work also delineates existing limitations and highlights emerging possibilities and future prospects in this field.
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Affiliation(s)
- Sabrina Morelli
- Institute on Membrane Technology, National Research Council of Italy, CNR-ITM, Rende, Italy
| | - Antonella Piscioneri
- Institute on Membrane Technology, National Research Council of Italy, CNR-ITM, Rende, Italy
| | - Simona Salerno
- Institute on Membrane Technology, National Research Council of Italy, CNR-ITM, Rende, Italy
| | - Loredana De Bartolo
- Institute on Membrane Technology, National Research Council of Italy, CNR-ITM, Rende, Italy
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99965
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Abstract
Itch arising from glabrous skin (palms and soles) has attracted limited attention within the field due to the lack of methodology. This is despite glabrous itch arising from many medical conditions such as plantar and palmar psoriasis, dyshidrosis, and cholestasis. Therefore, we developed a mouse glabrous skin behavioral assay to investigate the contribution of three previously identified pruriceptive neurons in glabrous skin itch. Our results show that MrgprA3+ and MrgprD+ neurons, although key mediators for hairy skin itch, do not play important roles in glabrous skin itch, demonstrating a mechanistic difference in itch sensation between hairy and glabrous skin. We found that MrgprC11+ neurons are the major mediators for glabrous skin itch. Activation of MrgprC11+ neurons induced glabrous skin itch, while ablation of MrgprC11+ neurons reduced both acute and chronic glabrous skin itch. Our study provides insights into the mechanisms of itch and opens up new avenues for future glabrous skin itch research.
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99966
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Oshio Y, Hattori Y, Kamata H, Ozaki-Masuzawa Y, Seki A, Tsuruta Y, Takenaka A. Very low-density lipoprotein receptor increases in a liver-specific manner due to protein deficiency but does not affect fatty liver in mice. Sci Rep 2021; 11:8003. [PMID: 33850206 PMCID: PMC8044231 DOI: 10.1038/s41598-021-87568-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/15/2021] [Indexed: 11/23/2022] Open
Abstract
Very low-density lipoprotein receptor (VLDLR) is a member of the LDL receptor family that is involved in the uptake of VLDL into cells. Increased hepatic VLDLR under endoplasmic reticulum (ER) stress has been shown to cause fatty liver. In this study, the effect of dietary protein restriction on hepatic VLDLR and the role of VLDLR in fatty liver were investigated using Vldlr knockout (KO) mice. Growing wild-type (WT) and KO mice were fed a control diet containing 20% protein or a low protein diet containing 3% protein for 11 days. In WT mice, the amount of hepatic Vldlr mRNA and VLDLR protein increased by approximately 8- and 7-fold, respectively, due to protein restriction. Vldlr mRNA and protein levels increased in both type 1 and type 2 VLDLR. However, neither Vldlr mRNA nor protein levels were significantly increased in heart, muscle, and adipose tissue, demonstrating that VLDLR increase due to protein restriction occurred in a liver-specific manner. Increased liver triglyceride levels during protein restriction occurred in KO mice to the same extent as in WT mice, indicating that increased VLDLR during protein restriction was not the main cause of fatty liver, which was different from the case of ER stress.
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Affiliation(s)
- Yui Oshio
- Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa, 214-8571, Japan
| | - Yuta Hattori
- Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa, 214-8571, Japan
| | - Hatsuho Kamata
- Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa, 214-8571, Japan
| | - Yori Ozaki-Masuzawa
- Department of Chemistry and Life Science, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
| | - Arisa Seki
- Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa, 214-8571, Japan
| | - Yasutaka Tsuruta
- Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa, 214-8571, Japan
| | - Asako Takenaka
- Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa, 214-8571, Japan.
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99967
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Chen S, Yang C, Wang ZW, Hu JF, Pan JJ, Liao CY, Zhang JQ, Chen JZ, Huang Y, Huang L, Zhan Q, Tian YF, Shen BY, Wang YD. CLK1/SRSF5 pathway induces aberrant exon skipping of METTL14 and Cyclin L2 and promotes growth and metastasis of pancreatic cancer. J Hematol Oncol 2021; 14:60. [PMID: 33849617 PMCID: PMC8045197 DOI: 10.1186/s13045-021-01072-8] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 03/29/2021] [Indexed: 12/11/2022] Open
Abstract
Background Both aberrant alternative splicing and m6A methylation play complicated roles in the development of pancreatic cancer (PC), while the relationship between these two RNA modifications remains unclear. Methods RNA sequencing (RNA-seq) was performed using 15 pairs of pancreatic ductal adenocarcinoma (PDAC) tissues and corresponding normal tissues, and Cdc2-like kinases 1 (CLK1) was identified as a significantly upregulated alternative splicing related gene. Real-time quantitative PCR (qPCR) and western blotting were applied to determine the CLK1 levels. The prognostic value of CLK1 was elucidated by Immunohistochemistry (IHC) analyses in two independent PDAC cohorts. The functional characterizations and mechanistic insights of CLK1 in PDAC growth and metastasis were evaluated with PDAC cell lines and nude mice. SR-like splicing factors5250-Ser (SRSF5250-Ser) was identified as an important target phosphorylation site by phosphorylation mass spectrometry. Through transcriptome sequencing, Methyltransferase-like 14exon10 (METTL14exon10) and Cyclin L2exon6.3 skipping were identified as key alternative splicing events regulated by the CLK1-SRSF5 axis. RIP assays, RNA-pulldown and CLIP-qPCR were performed to confirm molecular interactions and the precise binding sites. The roles of the shift of METTL14exon 10 and Cyclin L2exon6.3 skipping were surveyed. Results CLK1 expression was significantly increased in PDAC tissues at both the mRNA and protein levels. High CLK1 expression was associated with poor prognosis. Elevated CLK1 expression promoted growth and metastasis of PC cells in vitro and in vivo. Mechanistically, CLK1 enhanced phosphorylation on SRSF5250-Ser, which inhibited METTL14exon10 skipping while promoted Cyclin L2exon6.3 skipping. In addition, aberrant METTL14exon 10 skipping enhanced the N6-methyladenosine modification level and metastasis, while aberrant Cyclin L2exon6.3 promoted proliferation of PDAC cells. Conclusions The CLK1/SRSF5 pathway induces aberrant exon skipping of METTL14 and Cyclin L2, which promotes growth and metastasis and regulates m6A methylation of PDAC cells. This study suggests the potential prognostic value and therapeutic targeting of this pathway in PDAC patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13045-021-01072-8.
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Affiliation(s)
- Shi Chen
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China. .,Department of Hepatobiliary Pancreatic Surgery, Fujian Provincial Hospital, Fuzhou, 350001, People's Republic of China.
| | - Can Yang
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China
| | - Zu-Wei Wang
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China
| | - Jian-Fei Hu
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China
| | - Jing-Jing Pan
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China
| | - Cheng-Yu Liao
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China
| | - Jia-Qiang Zhang
- Department of General Surgery, Pancreatic Disease Center, Research Institute of Pancreatic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197 Ruijin Second Road, Shanghai, 200025, People's Republic of China
| | - Jiang-Zhi Chen
- Department of Hepatobiliary Surgery, Union Hospital, Fujian Medical University, Fuzhou, 350001, People's Republic of China
| | - Yi Huang
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China.,Center for Experimental Research in Clinical Medicine, Fujian Provincial Hospital, Fuzhou, 350001, People's Republic of China
| | - Long Huang
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China.,Department of Hepatobiliary Pancreatic Surgery, Fujian Provincial Hospital, Fuzhou, 350001, People's Republic of China
| | - Qian Zhan
- Department of General Surgery, Pancreatic Disease Center, Research Institute of Pancreatic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197 Ruijin Second Road, Shanghai, 200025, People's Republic of China
| | - Yi-Feng Tian
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China.,Department of Hepatobiliary Pancreatic Surgery, Fujian Provincial Hospital, Fuzhou, 350001, People's Republic of China
| | - Bai-Yong Shen
- Department of General Surgery, Pancreatic Disease Center, Research Institute of Pancreatic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197 Ruijin Second Road, Shanghai, 200025, People's Republic of China.
| | - Yao-Dong Wang
- Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, No. 134, East Street, Fuzhou, 350001, Fujian Province, People's Republic of China. .,Department of Hepatobiliary Pancreatic Surgery, Fujian Provincial Hospital, Fuzhou, 350001, People's Republic of China.
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99968
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Assessment of causal association between thyroid function and lipid metabolism: a Mendelian randomization study. Chin Med J (Engl) 2021; 134:1064-1069. [PMID: 33942801 PMCID: PMC8116035 DOI: 10.1097/cm9.0000000000001505] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Background: Thyroid dysfunction is associated with cardiovascular diseases. However, the role of thyroid function in lipid metabolism remains partly unknown. The present study aimed to investigate the causal association between thyroid function and serum lipid metabolism via a genetic analysis termed Mendelian randomization (MR). Methods: The MR approach uses a genetic variant as the instrumental variable in epidemiological studies to mimic a randomized controlled trial. A two-sample MR was performed to assess the causal association, using summary statistics from the Atrial Fibrillation Genetics Consortium (n = 537,409) and the Global Lipids Genetics Consortium (n = 188,577). The clinical measures of thyroid function include thyrotropin (TSH), free triiodothyronine (FT3) and free thyroxine (FT4) levels, FT3:FT4 ratio and concentration of thyroid peroxidase antibodies (TPOAb). The serum lipid metabolism traits include total cholesterol (TC) and triglycerides, high-density lipoprotein, and low-density lipoprotein (LDL) levels. The MR estimate and MR inverse variance-weighted method were used to assess the association between thyroid function and serum lipid metabolism. Results: The results demonstrated that increased TSH levels were significantly associated with higher TC (β = 0.052, P = 0.002) and LDL (β = 0.041, P = 0.018) levels. In addition, the FT3:FT4 ratio was significantly associated with TC (β = 0.240, P = 0.033) and LDL (β = 0.025, P = 0.027) levels. However, no significant differences were observed between genetically predicted FT4 and TPOAb and serum lipids. Conclusion: Taken together, the results of the present study suggest an association between thyroid function and serum lipid metabolism, highlighting the importance of the pituitary-thyroid-cardiac axis in dyslipidemia susceptibility.
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99969
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Qu Y, Song YY, Chen CW, Fu QC, Shi JP, Xu Y, Xie Q, Yang YF, Zhou YJ, Li LP, Xu MY, Cai XB, Zhang QD, Yu H, Fan JG, Lu LG. Diagnostic Performance of FibroTouch Ultrasound Attenuation Parameter and Liver Stiffness Measurement in Assessing Hepatic Steatosis and Fibrosis in Patients With Nonalcoholic Fatty Liver Disease. Clin Transl Gastroenterol 2021; 12:e00323. [PMID: 33848277 PMCID: PMC8049161 DOI: 10.14309/ctg.0000000000000323] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 01/27/2021] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION To evaluate the diagnostic performance of ultrasound attenuation parameter (UAP) and liver stiffness measurement (LSM) by FibroTouch for diagnosis of hepatic steatosis and fibrosis in patients with nonalcoholic fatty liver disease (NAFLD). METHODS We recruited 237 patients undergoing FibroTouch and liver biopsy within 2 weeks. The pathological findings of liver biopsy were scored by Nonalcoholic Steatohepatitis Clinical Research Network, and the diagnostic accuracy of UAP for steatosis and LSM for fibrosis was evaluated by area under the receiver operating characteristic curve (AUROC). The impacts of histological parameters on UAP and LSM were analyzed, and diagnostic performance of FibroTouch UAP and LSM was compared with other noninvasive biomarkers. RESULTS The success rate of FibroTouch examination was 96.51%. The AUROC of UAP for diagnosis of steatosis ≥S1, ≥S2, and S3 was 0.88, 0.93, and 0.88, and the cutoff values were 244, 269, and 296 dB/m, respectively. The AUROC of LSM for the diagnosis of fibrosis stages ≥F2, ≥F3, and F4 was 0.71, 0.71, and 0.77, and the cutoff values were 9.4, 9.4, and 11 kPa, respectively. Multiple regression analysis showed that LSM was positively correlated with degree of fibrosis and NAFLD activity score. UAP was positively correlated with liver steatosis. The diagnostic performance of UAP for steatosis was significantly superior to that of the hepatic steatosis index. DISCUSSION FibroTouch has a low failure rate with moderate to high diagnostic performance for discriminating the steatosis degree and fibrosis stage and is suitable for clinical evaluation and monitoring of patients with NAFLD.
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Affiliation(s)
- Ying Qu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan-Yan Song
- Department of Biostatistics, Clinical Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cheng-Wei Chen
- Liver Diseases Center, 905th Hospital of PLA Navy, Shanghai, China
| | - Qing-Chun Fu
- Liver Diseases Center, 905th Hospital of PLA Navy, Shanghai, China
| | - Jun-Ping Shi
- Department of Hepatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang Province, China
| | - Yun Xu
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Qing Xie
- Department of Infectious Disease, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yong-Feng Yang
- Department of Hepatology, The Second Hospital of Nanjing, Nanjing, Jiangsu Province, China
| | - Yong-Jian Zhou
- Department of Gastroenterology and Hepatology, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Liang-Ping Li
- Department of Gastroenterology, Sichuan Provincial People's Hospital, Chengdu, Sichuan Province, China
| | - Ming-Yi Xu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiao-Bo Cai
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi-Di Zhang
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Yu
- Department of Biostatistics, School of Public Health Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Jian-Gao Fan
- Department of Gastroenterology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lun-Gen Lu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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99970
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Tang Z, He J, Zou J, Yu S, Sun X, Qin L. Cisplatin-resistant HepG2 cell-derived exosomes transfer cisplatin resistance to cisplatin-sensitive cells in HCC. PeerJ 2021; 9:e11200. [PMID: 33954040 PMCID: PMC8051335 DOI: 10.7717/peerj.11200] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 03/10/2021] [Indexed: 01/15/2023] Open
Abstract
Backgrounds Cancer cell resistance to chemotherapy drugs such as Gemcitabine, Oxaliplatin, Cisplatin, Doxorubicin, and 5-fluorouracil account for the main reason of chemotherapy failure for HCC patients, especially for those with advanced HCC or metastasis patients. This emerging resistance limits the effectiveness and clinical application of these chemotherapy drugs. Previous studies reported that drug-resistant tumor cell-derived exosomes could transfer their resistance property to tumor sensitive cells in some cancer, including lung and gastric cancer. This study sought to explore whether HepG2/DDP cell-derived exosomes transmit cisplatin (DDP) resistance to HepG2 and other HCC sensitive cells, and provide considerable guidance for HCC nursing with Cisplatin DDP clinically. Methods The HepG2 DDP-resistant cell line (HepG2/DDP) was established, and the exosomes from both HepG2/DDP and HepG2 cells were isolated and named ES-2, ES-1, respectively. HepG2 or SMMC-7721 or Huh7 cells were treated with DDP or DDP + ES-2, and HepG2/DDP cells were treated with ES-1. Then, the activation of drug resistance via HepG2/DDP exosomes transfer to HepG2, SMMC-7721 and Huh7 cells were assessed by cell viability assay and ROS formation. Moreover, the relative expression of P-glycoprotein (P-gp) was measured by western blot analysis. Results HepG2/DDP cell-derived exosomes were successfully isolated from cisplatin-resistant HepG2 cells, and named ES-2. Cell viability of HepG2 or SMMC-7721 or Huh7 cells treated with DDP + ES-2 was enhanced compared with that of DDP treatment group. Also, the concentration of ROS generated in cells under DDP or DDP + ES-2 treatment was strongly increased compared with that of control, although the concentration of ROS was clearly smaller in DDP + ES-2 treatment group compared with DDP treatment. At the same time, the expression of P-gp was upregulated on the ES-2 surface. Conclusion The results mentioned above clarified that HepG2/DDP cell-derived exosomes conferred cisplatin resistance to HepG2 and other HCC cell lines, and provided a new significance for improving the effectiveness of DDP in treating HCC.
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Affiliation(s)
- Zuxiong Tang
- Department of Hepato-Pancreatico-Biliary Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Jun He
- Department of Hepato-Pancreatico-Biliary Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Jiayue Zou
- Department of Hepato-Pancreatico-Biliary Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Shufei Yu
- Department of Hepato-Pancreatico-Biliary Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Xiaoming Sun
- Department of General Surgery, Suzhou Wuzhong People's Hospital, Suzhou, Jiangsu, China
| | - Lei Qin
- Department of Hepato-Pancreatico-Biliary Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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99971
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Bobermin LD, Quincozes-Santos A. COVID-19 and hyperammonemia: Potential interplay between liver and brain dysfunctions. Brain Behav Immun Health 2021; 14:100257. [PMID: 33870235 PMCID: PMC8041743 DOI: 10.1016/j.bbih.2021.100257] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 04/05/2021] [Accepted: 04/08/2021] [Indexed: 02/08/2023] Open
Abstract
Although COVID-19 affects the respiratory system, extrapulmonary manifestations frequently occur, including encephalopathy and liver damage. Here, we want to call attention to a possible connection between liver and brain dysfunctions, in which ammonia can play a role targeting astrocytes. Importantly, astrocyte dysfunction can produce future and/or long-term neurological consequences.
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Affiliation(s)
- Larissa Daniele Bobermin
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - André Quincozes-Santos
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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99972
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NLRP3 as a sensor of metabolism gone awry. Curr Opin Biotechnol 2021; 68:300-309. [PMID: 33862489 DOI: 10.1016/j.copbio.2021.03.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 03/25/2021] [Accepted: 03/29/2021] [Indexed: 12/28/2022]
Abstract
The NLRP3 inflammasome is an important player in innate immunity and pathogenic inflammation. Numerous studies have implicated it in sensing endogenous danger signals, yet the precise mechanisms remain unknown. Here, we review the current knowledge on the organismal and cellular metabolic triggers engaging NLRP3, and the mechanisms involved in integrating the diverse signals.
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99973
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M Hussein A, Taha ZB, Gailan Malek A, Akram Rasul K, Hazim Kasim D, Jalal Ahmed R, Badraden Mohamed U. D-Dimer and Serum ferritin as an Independent Risk Factor for Severity in COVID-19 Patients. MATERIALS TODAY. PROCEEDINGS 2021:S2214-7853(21)02858-3. [PMID: 33868964 PMCID: PMC8043615 DOI: 10.1016/j.matpr.2021.04.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 04/01/2021] [Indexed: 12/14/2022]
Abstract
Ferritin is an intracellular blood protein that contains iron, covid-19 diseases is an infectious disease caused by a virus called corona virus, the infected person mostly experiences mild to moderate respiratory illness ferritin level in blood mostly depend on severity of the covid-19 disease. Ferritin level could be used as an indicator for the covid-19 disease. Within 120 corona virus patients that used as individual in this study, the ferritin level in the blood were tested, also each of (D-Dimer, ESR, C.R protein) Depend on the results, the patients with over 60 years have a high ferritin level also the d-dimer were abnormal with 65% higher than normal range.
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Affiliation(s)
- Ali M Hussein
- Department of Forestry,College of Agiultural Engineering Sciences, Salahaddin University, Erbil, Kurdistan, Iraq
| | - Zhala B Taha
- Taha Department of Forestry,College of Agiultural Engineering Sciences, Salahaddin University, Erbil, Kurdistan
| | - Ahmed Gailan Malek
- Department of Forestry,College of Agiultural Engineering Sciences, Salahaddin University, Erbil, Kurdistan, Iraq
| | - Kamgar Akram Rasul
- Department of Forestry,College of Agiultural Engineering Sciences, Salahaddin University, Erbil, Kurdistan, Iraq
| | - Dur Hazim Kasim
- Department of Forestry,College of Agiultural Engineering Sciences, Salahaddin University, Erbil, Kurdistan, Iraq
| | - Reman Jalal Ahmed
- Department of Forestry,College of Agiultural Engineering Sciences, Salahaddin University, Erbil, Kurdistan, Iraq
| | - Usama Badraden Mohamed
- Department of Forestry,College of Agiultural Engineering Sciences, Salahaddin University, Erbil, Kurdistan, Iraq
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99974
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Yaribeygi H, Maleki M, Sathyapalan T, Jamialahmadi T, Sahebkar A. Obesity and Insulin Resistance: A Review of Molecular Interactions. Curr Mol Med 2021; 21:182-193. [PMID: 32787760 DOI: 10.2174/1566524020666200812221527] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 07/05/2020] [Accepted: 07/12/2020] [Indexed: 12/06/2022]
Abstract
The prevalence of insulin resistance and diabetes mellitus is rising globally in epidemic proportions. Diabetes and its complications contribute to significant morbidity and mortality. An increase in sedentary lifestyle and consumption of a more energydense diet increased the incidence of obesity which is a significant risk factor for type 2 diabetes. Obesity acts as a potent upstream event that promotes molecular mechanisms involved in insulin resistance and diabetes mellitus. However, the exact molecular mechanisms between obesity and diabetes are not clearly understood. In the current study, we have reviewed the molecular interactions between obesity and type 2 diabetes.
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Affiliation(s)
- Habib Yaribeygi
- Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran
| | - Mina Maleki
- Chronic Kidney Disease Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Thozhukat Sathyapalan
- Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, United Kingdom
| | - Tannaz Jamialahmadi
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran
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99975
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Farzaneh Z, Vosough M, Agarwal T, Farzaneh M. Critical signaling pathways governing hepatocellular carcinoma behavior; small molecule-based approaches. Cancer Cell Int 2021; 21:208. [PMID: 33849569 PMCID: PMC8045321 DOI: 10.1186/s12935-021-01924-w] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/07/2021] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the second leading cause of death due to cancer. Although there are different treatment options, these strategies are not efficient in terms of restricting the tumor cell's proliferation and metastasis. The liver tumor microenvironment contains the non-parenchymal cells with supportive or inhibitory effects on the cancerous phenotype of HCC. Several signaling pathways are dis-regulated in HCC and cause uncontrolled cell propagation, metastasis, and recurrence of liver carcinoma cells. Recent studies have established new approaches for the prevention and treatment of HCC using small molecules. Small molecules are compounds with a low molecular weight that usually inhibit the specific targets in signal transduction pathways. These components can induce cell cycle arrest, apoptosis, block metastasis, and tumor growth. Devising strategies for simultaneously targeting HCC and the non-parenchymal population of the tumor could lead to more relevant research outcomes. These strategies may open new avenues for the treatment of HCC with minimal cytotoxic effects on healthy cells. This study provides the latest findings on critical signaling pathways governing HCC behavior and using small molecules in the control of HCC both in vitro and in vivo models.
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Affiliation(s)
- Zahra Farzaneh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Tarun Agarwal
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Maryam Farzaneh
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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99976
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Gong S, Feng Y, Zeng Y, Zhang H, Pan M, He F, Wu R, Chen J, Lu J, Zhang S, Yuan S, Chen X. Gut microbiota accelerates cisplatin-induced acute liver injury associated with robust inflammation and oxidative stress in mice. J Transl Med 2021; 19:147. [PMID: 33849559 PMCID: PMC8045234 DOI: 10.1186/s12967-021-02814-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 04/02/2021] [Indexed: 01/10/2023] Open
Abstract
Background Gut microbiota has been reported to be disrupted by cisplatin, as well as to modulate chemotherapy toxicity. However, the precise role of intestinal microbiota in the pathogenesis of cisplatin hepatotoxicity remains unknown. Methods We compared the composition and function of gut microbiota between mice treated with and without cisplatin using 16S rRNA gene sequencing and via metabolomic analysis. For understanding the causative relationship between gut dysbiosis and cisplatin hepatotoxicity, antibiotics were administered to deplete gut microbiota and faecal microbiota transplantation (FMT) was performed before cisplatin treatment. Results 16S rRNA gene sequencing and metabolomic analysis showed that cisplatin administration caused gut microbiota dysbiosis in mice. Gut microbiota ablation by antibiotic exposure protected against the hepatotoxicity induced by cisplatin. Interestingly, mice treated with antibiotics dampened the mitogen-activated protein kinase pathway activation and promoted nuclear factor erythroid 2-related factor 2 nuclear translocation, resulting in decreased levels of both inflammation and oxidative stress in the liver. FMT also confirmed the role of microbiota in individual susceptibility to cisplatin-induced hepatotoxicity. Conclusions This study elucidated the mechanism by which gut microbiota mediates cisplatin hepatotoxicity through enhanced inflammatory response and oxidative stress. This knowledge may help develop novel therapeutic approaches that involve targeting the composition and metabolites of microbiota. Supplementary Information The online version contains supplementary material available at 10.1186/s12967-021-02814-5.
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Affiliation(s)
- Shenhai Gong
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China.,School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Yinglin Feng
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China
| | - Yunong Zeng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Huanrui Zhang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Meiping Pan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Fangjie He
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China
| | - Rong Wu
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China
| | - Jingrui Chen
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China
| | - Jiuling Lu
- Department of Outpatient, First People's Hospital of Foshan, Foshan, China
| | - Siyou Zhang
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China
| | - Songhua Yuan
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China.
| | - Xia Chen
- Department of Obstetrics and Gynecology, First People's Hospital of Foshan, Foshan, China.
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99977
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Yu EL, Schwimmer JB. Epidemiology of Pediatric Nonalcoholic Fatty Liver Disease. Clin Liver Dis (Hoboken) 2021; 17:196-199. [PMID: 33868665 PMCID: PMC8043694 DOI: 10.1002/cld.1027] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/21/2020] [Accepted: 08/02/2020] [Indexed: 02/06/2023] Open
Affiliation(s)
- Elizabeth L. Yu
- Department of PediatricsDivision of Gastroenterology, Hepatology, and NutritionUniversity of California San Diego School of MedicineLa JollaCA,Department of GastroenterologyRady Children’s HospitalSan DiegoCA
| | - Jeffrey B. Schwimmer
- Department of PediatricsDivision of Gastroenterology, Hepatology, and NutritionUniversity of California San Diego School of MedicineLa JollaCA,Department of GastroenterologyRady Children’s HospitalSan DiegoCA
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99978
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Bukhari T, Jafri L, Majid H, Khan AHH, Siddiqui I. Determining Bone Turnover Status in Patients With Chronic Liver Disease. Cureus 2021; 13:e14479. [PMID: 33996337 PMCID: PMC8120131 DOI: 10.7759/cureus.14479] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/28/2020] [Indexed: 11/05/2022] Open
Abstract
Introduction Hepatic osteodystrophy is an osteoporotic bone disease that occurs in chronic liver disease patients. The global prevalence of osteoporosis in patients with chronic liver disease is 30% to 40%. The pathogenesis of hepatic bone disease is not clear, but it occurs due to unstable bone remodeling with increased bone resorption and decreases bone formation. There has been an interest in determining the clinical utility of bone turnover markers (BTMs) in the assessment of osteoporosis in chronic liver patients. Methods This was a cross-sectional study conducted in patients with chronic liver disease at the section of chemical pathology, department of pathology and laboratory medicine, Aga Khan University (AKU). A total of 50 patients with age >8 years and a history of liver disease >6 months were recruited from January to October 2019. Liver function tests, i.e. aspartate aminotransferase (AST), alanine transaminase (ALT), albumin, and bilirubin, along with clinical signs of liver disease chronicity, were noted. The samples for BTMs, i.e. total serum alkaline phosphatase (ALP) and serum C-terminal telopeptide of type-1 collagen (CTX) were withdrawn and analyzed on Microlab (ELItech Group, Puteaux, France) and ADVIA Centaur (Siemens Diagnostics, NY), respectively. Results The majority of patients were males (n=34, 68%). Twenty-four (48%) patients suffered from fibrosis while 26 (52%) were without fibrosis. Median platelet count (68×109/L (102.5-50)) and median cholesterol levels (102.5 mg/dl (147-99.5)) were decreased, whereas gamma-glutamyl transferase (GGT) levels were higher in the fibrosis group as compared to the non-fibrosis group. The median levels of total ALP were 91.5 IU/L (103-82), and the median levels of CTX were 0.24 pg/ml (0.34-0.21). Conclusion In the present study, no significant difference was found in the BTMs of patients with and without chronic liver disease (CLD). However, there was a positive and significant correlation of BTMs, particularly CTX with age, bilirubin levels, and hepatomegaly.
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Affiliation(s)
- Tayyaba Bukhari
- Pathology & Laboratory Medicine, Aga Khan University Hospital, Karachi, PAK
| | - Lena Jafri
- Pathology & Laboratory Medicine, Aga Khan University Hospital, Karachi, PAK
| | - Hafsa Majid
- Pathology & Laboratory Medicine, Aga Khan University Hospital, Karachi, PAK
| | - Aysha Habib H Khan
- Pathology & Laboratory Medicine, Aga Khan University Hospital, Karachi, PAK
| | - Imran Siddiqui
- Pathology & Laboratory Medicine, Aga Khan University Hospital, Karachi, PAK
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99979
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Rodgers SK, Fetzer DT, Kono Y. Using LI-RADS With Contrast-Enhanced Ultrasound. Clin Liver Dis (Hoboken) 2021; 17:154-158. [PMID: 33868657 PMCID: PMC8043704 DOI: 10.1002/cld.1077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 11/03/2020] [Accepted: 11/22/2020] [Indexed: 02/04/2023] Open
Affiliation(s)
- Shuchi K. Rodgers
- Department of RadiologyEinstein Healthcare NetworkSidney Kimmel Medical College at Thomas Jefferson UniversityPhiladelphiaPA
| | - David T. Fetzer
- Department of RadiologyUT Southwestern Medical CenterDallasTX
| | - Yuko Kono
- Division of Gastroenterology & HepatologyClinical Professor of RadiologyUniversity of California, San DiegoSan DiegoCA
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99980
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Molecular Characterization and Seroprevalence of Hepatitis E Virus in Inflammatory Bowel Disease Patients and Solid Organ Transplant Recipients. Viruses 2021; 13:v13040670. [PMID: 33924409 PMCID: PMC8070591 DOI: 10.3390/v13040670] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/01/2021] [Accepted: 04/05/2021] [Indexed: 12/13/2022] Open
Abstract
Seroprevalence rates and molecular characterization of hepatitis E virus (HEV) prevalent in the Lithuanian human population has not yet been evaluated. Immunosuppressed individuals have been recognized as a risk group for chronic hepatitis due to HEV genotype 3 (HEV-3) infections. The objectives of the present study were to determine prevalence rates of anti-HEV antibodies among inflammatory bowel disease (IBD) patients and solid organ transplant (SOT) recipients, to isolate and characterize HEV strain present in the Lithuanian human population, and to investigate its capacity to infect non-human primate (MARC-145 and Vero), swine (PK-15) and murine (Neuro-2a) cells in vitro. In the present study, the significant difference of anti-HEV IgG prevalence between healthy (3.0% (95% CI 0–6.3)) and immunosuppressed individuals (12.0% [95% CI 8.1–15.9]) was described. Moreover, our findings showed that anti-HEV IgG seropositivity can be significantly predicted by increasing age (OR = 1.032, p < 0.01), diagnosis of IBD (OR = 4.541, p < 0.01) and reception of SOT (OR = 4.042, <0.05). Locally isolated HEV strain clustered within genotype 3i subtype of genotype 3 and was capable of infecting MARC-145 cells. This study demonstrates higher HEV seroprevalence in the risk group compared to healthy control individuals without confidence interval overlap. The high level of genetic homology between human and animal strains in Lithuania and the capacity of locally isolated strains to infect cells of non-human origin suggests its potential for zoonotic transmission.
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99981
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Evidence-Based Aerobic Exercise Training in Metabolic-Associated Fatty Liver Disease: Systematic Review with Meta-Analysis. J Clin Med 2021; 10:jcm10081659. [PMID: 33924482 PMCID: PMC8069623 DOI: 10.3390/jcm10081659] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/10/2021] [Accepted: 04/12/2021] [Indexed: 12/11/2022] Open
Abstract
Background: This meta-analysis evaluates the overall effect of the non-pharmacological intervention, aerobic exercise, upon serum liver enzymes levels, glucose metabolism and anthropometric measures amongst patients with metabolic associated fatty liver disease (MAFLD). It also examines whether the effects on these outcomes are moderated by the aerobic training protocol when considered according to the American College of Sports Medicine (ACSM) recommended FITT (frequency, intensity, time, type) principles. Approach and Results: Fifteen randomized control trials were included in the meta-analysis. Compared with usual care, continuous and interval training showed significant efficacy in alanine aminotransferase (ALT) level improvement (MD = −2.4, 95% CI: −4.34 to −0.46 p = 0.015, I2 = 9.1%). Interventions based on all types of aerobic exercise protocols showed significant improvement of intrahepatic triglycerides (MD = −4.0557, 95% CI: −5.3711 to −2.7403, p < 0.0001, I2 = 0%) and BMI (MD = −0.9774, 95% CI: −1.4086 to −0.5462, p < 0.0001, I2 = 0). Meta-regression analysis demonstrated a significant correlation between total intervention time and ALT level (for all aerobic protocols: 6.0056, se = 2.6896, z = 2.2329, p = 0.02; as well as for continuous and interval aerobic protocols: 5.5069, se = 2.7315, z = 2.016, p = 0.04). Conclusions: All types of aerobic exercise protocols are effective at improving intrahepatic triglycerides and lead to a reduction in body mass index. In addition, continuous and interval aerobic exercise may be more effective at improving ALT ≤12 weeks intervention time benefits the management of MAFLD.
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99982
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Chen F, Tzarum N, Lin X, Giang E, Velázquez-Moctezuma R, Augestad EH, Nagy K, He L, Hernandez M, Fouch ME, Grinyó A, Chavez D, Doranz BJ, Prentoe J, Stanfield RL, Lanford R, Bukh J, Wilson IA, Zhu J, Law M. Functional convergence of a germline-encoded neutralizing antibody response in rhesus macaques immunized with HCV envelope glycoproteins. Immunity 2021; 54:781-796.e4. [PMID: 33675683 PMCID: PMC8046733 DOI: 10.1016/j.immuni.2021.02.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 12/14/2020] [Accepted: 02/10/2021] [Indexed: 12/14/2022]
Abstract
Human IGHV1-69-encoded broadly neutralizing antibodies (bnAbs) that target the hepatitis C virus (HCV) envelope glycoprotein (Env) E2 are important for protection against HCV infection. An IGHV1-69 ortholog gene, VH1.36, is preferentially used for bnAbs isolated from HCV Env-immunized rhesus macaques (RMs). Here, we studied the genetic, structural, and functional properties of VH1.36-encoded bnAbs generated by vaccination, in comparison to IGHV1-69-encoded bnAbs from HCV patients. Global B cell repertoire analysis confirmed the expansion of VH1.36-derived B cells in immunized animals. Most E2-specific, VH1.36-encoded antibodies cross-neutralized HCV. Crystal structures of two RM bnAbs with E2 revealed that the RM bnAbs engaged conserved E2 epitopes using similar molecular features as human bnAbs but with a different binding mode. Longitudinal analyses of the RM antibody repertoire responses during immunization indicated rapid lineage development of VH1.36-encoded bnAbs with limited somatic hypermutation. Our findings suggest functional convergence of a germline-encoded bnAb response to HCV Env with implications for vaccination in humans.
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Affiliation(s)
- Fang Chen
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Netanel Tzarum
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Xiaohe Lin
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Erick Giang
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Rodrigo Velázquez-Moctezuma
- Copenhagen Hepatitis C Program (CO-HEP), Department of Infectious Diseases, Hvidovre Hospital, and Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Elias H Augestad
- Copenhagen Hepatitis C Program (CO-HEP), Department of Infectious Diseases, Hvidovre Hospital, and Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Kenna Nagy
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Linling He
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | | | | | | | - Deborah Chavez
- Southwest National Primate Research Center at Texas Biomedical Research Institute, San Antonio, TX 788227, USA
| | | | - Jannick Prentoe
- Copenhagen Hepatitis C Program (CO-HEP), Department of Infectious Diseases, Hvidovre Hospital, and Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Robyn L Stanfield
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Robert Lanford
- Southwest National Primate Research Center at Texas Biomedical Research Institute, San Antonio, TX 788227, USA
| | - Jens Bukh
- Copenhagen Hepatitis C Program (CO-HEP), Department of Infectious Diseases, Hvidovre Hospital, and Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Ian A Wilson
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.
| | - Jiang Zhu
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA; Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.
| | - Mansun Law
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA.
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99983
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Taherkhani S, Suzuki K, Ruhee RT. A Brief Overview of Oxidative Stress in Adipose Tissue with a Therapeutic Approach to Taking Antioxidant Supplements. Antioxidants (Basel) 2021; 10:594. [PMID: 33924341 PMCID: PMC8069597 DOI: 10.3390/antiox10040594] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 04/05/2021] [Accepted: 04/08/2021] [Indexed: 12/20/2022] Open
Abstract
One of the leading causes of obesity associated with oxidative stress (OS) is excessive consumption of nutrients, especially fast-foods, and a sedentary lifestyle, characterized by the ample accumulation of lipid in adipose tissue (AT). When the body needs energy, the lipid is broken down into glycerol (G) and free fatty acids (FFA) during the lipolysis process and transferred to various tissues in the body. Materials secreted from AT, especially adipocytokines (interleukin (IL)-1β, IL-6, and tumor necrosis factor-α (TNF-α)) and reactive oxygen species (ROS), are impressive in causing inflammation and OS of AT. There are several ways to improve obesity, but researchers have highly regarded the use of antioxidant supplements due to their neutralizing properties in removing ROS. In this review, we have examined the AT response to OS to antioxidant supplements focusing on animal studies. The results are inconsistent due to differences in the study duration and diversity in animals (strain, age, and sex). Therefore, there is a need for different studies, especially in humans.
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Affiliation(s)
- Shima Taherkhani
- Department of Exercise Physiology, Faculty of Sport Sciences, University of Guilan, Rasht 4199843653, Iran
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
| | - Ruheea Taskin Ruhee
- Gradute School of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
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99984
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Serai SD, Panganiban J, Dhyani M, Degnan AJ, Anupindi SA. Imaging Modalities in Pediatric NAFLD. Clin Liver Dis (Hoboken) 2021; 17:200-208. [PMID: 33868666 PMCID: PMC8043697 DOI: 10.1002/cld.994] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 06/05/2020] [Accepted: 06/12/2020] [Indexed: 02/04/2023] Open
Affiliation(s)
- Suraj D. Serai
- Department of RadiologyThe Children’s Hospital of PhiladelphiaPhiladelphiaPA,Perelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA
| | - Jennifer Panganiban
- Department of Gastroenterology, Hepatology and NutritionThe Children's Hospital of PhiladelphiaPhiladelphiaPA
| | - Manish Dhyani
- Department of RadiologyLahey Hospital and Medical CenterBurlingtonMA
| | - Andrew J. Degnan
- Department of RadiologyThe Children’s Hospital of PhiladelphiaPhiladelphiaPA
| | - Sudha A. Anupindi
- Department of RadiologyThe Children’s Hospital of PhiladelphiaPhiladelphiaPA,Perelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA
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99985
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Nishinaga M, Sugimoto H, Nishitani Y, Nagai S, Nagatoishi S, Muraki N, Tosha T, Tsumoto K, Aono S, Shiro Y, Sawai H. Heme controls the structural rearrangement of its sensor protein mediating the hemolytic bacterial survival. Commun Biol 2021; 4:467. [PMID: 33850260 PMCID: PMC8044140 DOI: 10.1038/s42003-021-01987-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 03/16/2021] [Indexed: 02/01/2023] Open
Abstract
Hemes (iron-porphyrins) are critical for biological processes in all organisms. Hemolytic bacteria survive by acquiring b-type heme from hemoglobin in red blood cells from their animal hosts. These bacteria avoid the cytotoxicity of excess heme during hemolysis by expressing heme-responsive sensor proteins that act as transcriptional factors to regulate the heme efflux system in response to the cellular heme concentration. Here, the underlying regulatory mechanisms were investigated using crystallographic, spectroscopic, and biochemical studies to understand the structural basis of the heme-responsive sensor protein PefR from Streptococcus agalactiae, a causative agent of neonatal life-threatening infections. Structural comparison of heme-free PefR, its complex with a target DNA, and heme-bound PefR revealed that unique heme coordination controls a >20 Å structural rearrangement of the DNA binding domains to dissociate PefR from the target DNA. We also found heme-bound PefR stably binds exogenous ligands, including carbon monoxide, a by-product of the heme degradation reaction.
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Affiliation(s)
- Megumi Nishinaga
- grid.266453.00000 0001 0724 9317Graduate School of Life Science, University of Hyogo, Ako, Hyogo Japan
| | - Hiroshi Sugimoto
- grid.266453.00000 0001 0724 9317Graduate School of Life Science, University of Hyogo, Ako, Hyogo Japan ,RIKEN SPring-8 Center, Sayo, Hyogo Japan
| | - Yudai Nishitani
- grid.266453.00000 0001 0724 9317Graduate School of Life Science, University of Hyogo, Ako, Hyogo Japan
| | - Seina Nagai
- grid.266453.00000 0001 0724 9317Graduate School of Life Science, University of Hyogo, Ako, Hyogo Japan
| | - Satoru Nagatoishi
- grid.26999.3d0000 0001 2151 536XThe Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo Japan
| | - Norifumi Muraki
- grid.250358.90000 0000 9137 6732Institute of Molecular Science, National Institute of Natural Sciences, Okazaki, Aichi Japan
| | - Takehiko Tosha
- grid.266453.00000 0001 0724 9317Graduate School of Life Science, University of Hyogo, Ako, Hyogo Japan ,RIKEN SPring-8 Center, Sayo, Hyogo Japan
| | - Kouhei Tsumoto
- grid.26999.3d0000 0001 2151 536XThe Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo Japan ,grid.26999.3d0000 0001 2151 536XDepartment of Bioengineering, School of Engineering, The University of Tokyo, Minato-ku, Tokyo Japan ,grid.26999.3d0000 0001 2151 536XDepartment of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Minato-ku, Tokyo Japan
| | - Shigetoshi Aono
- grid.250358.90000 0000 9137 6732Institute of Molecular Science, National Institute of Natural Sciences, Okazaki, Aichi Japan
| | - Yoshitsugu Shiro
- grid.266453.00000 0001 0724 9317Graduate School of Life Science, University of Hyogo, Ako, Hyogo Japan
| | - Hitomi Sawai
- grid.266453.00000 0001 0724 9317Graduate School of Life Science, University of Hyogo, Ako, Hyogo Japan ,RIKEN SPring-8 Center, Sayo, Hyogo Japan
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99986
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Asiry S, Kim G, Filippou PS, Sanchez LR, Entenberg D, Marks DK, Oktay MH, Karagiannis GS. The Cancer Cell Dissemination Machinery as an Immunosuppressive Niche: A New Obstacle Towards the Era of Cancer Immunotherapy. Front Immunol 2021; 12:654877. [PMID: 33927723 PMCID: PMC8076861 DOI: 10.3389/fimmu.2021.654877] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/23/2021] [Indexed: 12/13/2022] Open
Abstract
Although cancer immunotherapy has resulted in unpreceded survival benefits to subsets of oncology patients, accumulating evidence from preclinical animal models suggests that the immunosuppressive tumor microenvironment remains a detrimental factor limiting benefit for many patient subgroups. Recent efforts on lymphocyte-mediated immunotherapies are primarily focused on eliminating cancer foci at primary and metastatic sites, but few studies have investigated the impact of these therapies on the highly complex process of cancer cell dissemination. The metastatic cascade involves the directional streaming of invasive/migratory tumor cells toward specialized blood vessel intravasation gateways, called TMEM doorways, to the peripheral circulation. Importantly, this process occurs under the auspices of a specialized tumor microenvironment, herewith referred to as "Dissemination Trajectory", which is supported by an ample array of tumor-associated macrophages (TAMs), skewed towards an M2-like polarization spectrum, and which is also vital for providing microenvironmental cues for cancer cell invasion, migration and stemness. Based on pre-existing evidence from preclinical animal models, this article outlines the hypothesis that dissemination trajectories do not only support the metastatic cascade, but also embody immunosuppressive niches, capable of providing transient and localized immunosubversion cues to the migratory/invasive cancer cell subpopulation while in the act of departing from a primary tumor. So long as these dissemination trajectories function as "immune deserts", the migratory tumor cell subpopulation remains efficient in evading immunological destruction and seeding metastatic sites, despite administration of cancer immunotherapy and/or other cytotoxic treatments. A deeper understanding of the molecular and cellular composition, as well as the signaling circuitries governing the function of these dissemination trajectories will further our overall understanding on TAM-mediated immunosuppression and will be paramount for the development of new therapeutic strategies for the advancement of optimal cancer chemotherapies, immunotherapies, and targeted therapies.
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Affiliation(s)
- Saeed Asiry
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, New York City, NY, United States
| | - Gina Kim
- Department of Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, New York City, NY, United States
| | - Panagiota S. Filippou
- School of Health and Life Sciences, Teesside University, Middlesbrough, United Kingdom
- National Horizons Centre, Teesside University, Darlington, United Kingdom
| | - Luis Rivera Sanchez
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, New York City, NY, United States
| | - David Entenberg
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, New York City, NY, United States
- Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, New York City, NY, United States
- Integrated Imaging Program, Albert Einstein College of Medicine, New York City, NY, United States
| | - Douglas K. Marks
- Department of Medicine, NYU Long Island School of Medicine, Mineola, NY, United States
| | - Maja H. Oktay
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, New York City, NY, United States
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, New York City, NY, United States
- Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, New York City, NY, United States
- Integrated Imaging Program, Albert Einstein College of Medicine, New York City, NY, United States
| | - George S. Karagiannis
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, New York City, NY, United States
- Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, New York City, NY, United States
- Integrated Imaging Program, Albert Einstein College of Medicine, New York City, NY, United States
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99987
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Reframing Nutritional Microbiota Studies To Reflect an Inherent Metabolic Flexibility of the Human Gut: a Narrative Review Focusing on High-Fat Diets. mBio 2021; 12:mBio.00579-21. [PMID: 33849977 PMCID: PMC8092254 DOI: 10.1128/mbio.00579-21] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
There is a broad consensus in nutritional-microbiota research that high-fat (HF) diets are harmful to human health, at least in part through their modulation of the gut microbiota. However, various studies also support the inherent flexibility of the human gut and our microbiota’s ability to adapt to a variety of food sources, suggesting a more nuanced picture. There is a broad consensus in nutritional-microbiota research that high-fat (HF) diets are harmful to human health, at least in part through their modulation of the gut microbiota. However, various studies also support the inherent flexibility of the human gut and our microbiota’s ability to adapt to a variety of food sources, suggesting a more nuanced picture. In this article, we first discuss some problems facing basic translational research and provide a different framework for thinking about diet and gut health in terms of metabolic flexibility. We then offer evidence that well-formulated HF diets, such as ketogenic diets, may provide healthful alternative fuel sources for the human gut. We place this in the context of cancer research, where this concern over HF diets is also expressed, and consider various potential objections concerning the effects of lipopolysaccharides, trimethylamine-N-oxide, and secondary bile acids on human gut health. We end by providing some general suggestions for how to improve research and clinical practice with respect to the gut microbiota when considering the framework of metabolic flexibility.
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99988
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Liu M, Zheng B, Liu P, Zhang J, Chu X, Dong C, Shi J, Liang Y, Chu L, Liu Y, Han X. Exploration of the hepatoprotective effect and mechanism of magnesium isoglycyrrhizinate in mice with arsenic trioxide‑induced acute liver injury. Mol Med Rep 2021; 23:438. [PMID: 33846815 PMCID: PMC8060806 DOI: 10.3892/mmr.2021.12077] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 03/15/2021] [Indexed: 12/14/2022] Open
Abstract
Arsenic trioxide (ATO)-induced hepatotoxicity limits the therapeutic effect of acute myelogenous leukemia treatment. Magnesium isoglycyrrhizinate (MgIG) is a natural compound extracted from licorice and a hepatoprotective drug used in liver injury. It exhibits anti-oxidant, anti-inflammatory and anti-apoptotic properties. The aim of the present study was to identify the protective action and underlying mechanism of MgIG against ATO-induced hepatotoxicity. A total of 50 mice were randomly divided into five groups (n=10/group): Control; ATO; MgIG and high- and low-dose MgIG + ATO. Following continuous administration of ATO for 7 days, the relative weight of the liver, liver enzyme, histological data, antioxidant enzymes, pro-inflammatory cytokines, cell apoptosis and changes in Kelch-like ECH-associated protein 1/nuclear factor erythroid 2-related factor 2 (Keap1-Nrf2) signaling pathway were observed. MgIG decreased liver injury, decreased the liver weight and liver index, inhibited oxidative stress and decreased the activity of glutathione, superoxide dismutase and catalase, production of reactive oxygen species and levels of pro-inflammatory cytokines, including IL-1β, IL-6 and TNF-α. Western blotting showed a decrease in Bax and caspase-3. There was decreased cleaved caspase-3 expression and increased Bcl-2 expression. MgIG notably activated ATO-mediated expression of Keap1 and Nrf2 in liver tissue. MgIG administration was an effective treatment to protect the liver from ATO-induced toxicity. MgIG maintained the level of Nrf2 in the liver and protected the antioxidative defense system to attenuate oxidative stress and prevent ATO-induced liver injury.
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Affiliation(s)
- Miaomiao Liu
- Department of Pharmacology, School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
| | - Bin Zheng
- Department of Pharmacology, School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
| | - Panpan Liu
- Department of Pharmacology, School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
| | - Jianping Zhang
- Department of Pharmacology, School of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
| | - Xi Chu
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Chunhui Dong
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Jing Shi
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Yingran Liang
- Department of Pharmacology, School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
| | - Li Chu
- Department of Pharmacology, School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
| | - Yanshuang Liu
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
| | - Xue Han
- Department of Pharmacology, School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, P.R. China
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99989
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Wang Z, Zhang X, Tian X, Yang Y, Ma L, Wang J, Yu Y. CREB stimulates GPX4 transcription to inhibit ferroptosis in lung adenocarcinoma. Oncol Rep 2021; 45:88. [PMID: 33846793 PMCID: PMC8042667 DOI: 10.3892/or.2021.8039] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 02/15/2021] [Indexed: 12/11/2022] Open
Abstract
Ferroptosis is a new form of regulated cell death and closely related to cancer. However, the mechanism underlying the regulation of ferroptosis in lung adenocarcinoma (LUAD) remains unclear. IB, IHC and ELISA were performed to analyze protein expression. RT-qPCR was used to analyze mRNA expression. Cell viability, 3D cell growth, MDA, the generation of lipid ROS and the Fe2+ concentration were measured to evaluate the responses to the induction of ferroptosis. Measurement of luciferase activity and ChIP were used to analyze the promoter activity regulated by the transcriptional regulator. Co-IP assays were performed to identify protein-protein interactions. In the present study, it was revealed that cAMP response element-binding protein (CREB) was highly expressed in LUAD, and knockdown of CREB inhibited cell viability and growth by promoting apoptosis- and ferroptosis-like cell death, concurrently. It was observed that CREB suppressed lipid peroxidation by binding the promoter region of glutathione peroxidase 4 (GPX4), and this binding could be enhanced by E1A binding protein P300 (EP300). The bZIP domain in CREB and the CBP/p300-HAT domain in EP300 were essential for CREB-EP300 binding in LUAD cells. Finally, it was revealed that CREB, GPX4, EP300 and 4-HNE were closely related to tumor size and stage, and tumors with a higher degree of malignancy were more likely to have a low degree of lipid peroxidation. Therefore, targeting this CREB/EP300/GPX4 axis may provide new strategies for treating LUAD.
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Affiliation(s)
- Zhixian Wang
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Xiao Zhang
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, P.R. China
| | - Xiaoting Tian
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, P.R. China
| | - Yueyue Yang
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, P.R. China
| | - Lifang Ma
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, P.R. China
| | - Jiayi Wang
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, P.R. China
| | - Yongchun Yu
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, P.R. China
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99990
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Chang CH, Chang CJ, Wang YC, Hu CC, Chang Y, Hsieh PH, Chen DW. Increased incidence, morbidity, and mortality in cirrhotic patients with hip fractures: A nationwide population-based study. J Orthop Surg (Hong Kong) 2021; 28:2309499020918032. [PMID: 32783509 DOI: 10.1177/2309499020918032] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES Hip fractures mostly require surgical treatment and are associated with increased health-care costs and mortality rates. Patients with cirrhosis have low bone marrow density and inferior immune status which contribute to a higher fracture rate and higher surgical complication rate. This population-based study evaluated the prevalence, complication, and mortality rates due to hip fractures in cirrhotic patients. METHODS Taiwan National Health Insurance Research Database data were used. The study group included 117,129 patients with hip fractures diagnosed from 2004 to 2010, including 4048 patients with cirrhosis. The overall prevalence, morbidity, and mortality rates of the cirrhosis group with hip fractures were compared with the rates of a general group with hip fractures. RESULTS The cirrhosis group patients were younger than the general group patients (71.2 vs. 73.96 years, p < 0.001). The annual incidence of hip fractures in the cirrhosis and general groups was 46-54 and 7-7.5 per 10,000 person-years, respectively, with an incidence rate ratio of 6.95 (95% confidence interval 6.74-7.18). The rates of infection, urinary tract infection, and peptic ulcer disease were higher in the cirrhosis group (3.46% vs. 1.91%, 9.56% vs. 9.11%, and 8.05% vs. 3.55%, respectively; all p < 0.001). The mortality rate after hip fracture was also higher in the cirrhosis group than in the general group (within 3 months: 8.76-12.64% vs. 4.96-5.30% and within 1 year: 29.72-37.99% vs. 12.84-14.57%). Conclusion: Cirrhotic patients with hip fractures were relatively younger; had a seven times higher annual hip fracture incidence; had higher complication rates of infection, urinary tract infection, and peptic ulcer disease; and had two to three times higher a mortality rate at 3 months and 1 year. Clinicians should pay particular attention to the possibility of osteoporosis and hip fractures in patients with liver cirrhosis. LEVEL OF EVIDENCE Level III, case-control study.
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Affiliation(s)
- Chih-Hsiang Chang
- Bone and Joint Research Center, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Orthopedic Surgery, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, 56081Chang Gung University, Taoyuan, Taiwan.,Graduate Institute of Clinical Medical Sciences, College of Medicine, 56081Chang Gung University, Taoyuan, Taiwan
| | - Chee-Jen Chang
- Graduate Institute of Clinical Medical Sciences, College of Medicine, 56081Chang Gung University, Taoyuan, Taiwan.,Research Services Center for Health Information, 56081Chang Gung University, Tao-Yuan, Taiwan.,Clinical Informatics and Medical Statistics Research Center, 56081Chang Gung University, Tao-Yuan, Taiwan
| | - Yi-Chun Wang
- Research Services Center for Health Information, 56081Chang Gung University, Tao-Yuan, Taiwan
| | - Chih-Chien Hu
- Bone and Joint Research Center, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Orthopedic Surgery, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, 56081Chang Gung University, Taoyuan, Taiwan
| | - Yuhan Chang
- Bone and Joint Research Center, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Orthopedic Surgery, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, 56081Chang Gung University, Taoyuan, Taiwan
| | - Pang-Hsin Hsieh
- Bone and Joint Research Center, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Orthopedic Surgery, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, 56081Chang Gung University, Taoyuan, Taiwan
| | - Dave W Chen
- Bone and Joint Research Center, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Orthopedic Surgery, 38014Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, 56081Chang Gung University, Taoyuan, Taiwan.,Department of Orthopedic Surgery, 525472Chang Gung Memorial Hospital, Keelung, Taiwan
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99991
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Brandman D. Jaundice in Polycystic Liver Disease: More Than Meets the Eye. Clin Liver Dis (Hoboken) 2021; 17:165-168. [PMID: 33868659 PMCID: PMC8043709 DOI: 10.1002/cld.1001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 06/03/2020] [Accepted: 06/26/2020] [Indexed: 02/04/2023] Open
Affiliation(s)
- Danielle Brandman
- Division of GastroenterologyDepartment of MedicineUniversity of California San FranciscoSan FranciscoCA
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99992
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Ellias SD, Larson EL, Taner T, Nyberg SL. Cell-Mediated Therapies to Facilitate Operational Tolerance in Liver Transplantation. Int J Mol Sci 2021; 22:ijms22084016. [PMID: 33924646 PMCID: PMC8069094 DOI: 10.3390/ijms22084016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
Cell therapies using immune cells or non-parenchymal cells of the liver have emerged as potential treatments to facilitate immunosuppression withdrawal and to induce operational tolerance in liver transplant (LT) recipients. Recent pre-clinical and clinical trials of cellular therapies including regulatory T cells, regulatory dendritic cells, and mesenchymal cells have shown promising results. Here we briefly summarize current concepts of cellular therapy for induction of operational tolerance in LT recipients.
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Affiliation(s)
- Samia D. Ellias
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Rochester, MN 55905, USA; (S.D.E.); (E.L.L.); (T.T.)
| | - Ellen L. Larson
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Rochester, MN 55905, USA; (S.D.E.); (E.L.L.); (T.T.)
| | - Timucin Taner
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Rochester, MN 55905, USA; (S.D.E.); (E.L.L.); (T.T.)
- Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA
| | - Scott L. Nyberg
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Rochester, MN 55905, USA; (S.D.E.); (E.L.L.); (T.T.)
- Correspondence: ; Tel.: +1-507-266-6772; Fax: +1-507-266-2810
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99993
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Qin L, Zhan Z, Wei C, Li X, Zhang T, Li J. Hsa‑circRNA‑G004213 promotes cisplatin sensitivity by regulating miR‑513b‑5p/PRPF39 in liver cancer. Mol Med Rep 2021; 23:421. [PMID: 33864660 PMCID: PMC8025462 DOI: 10.3892/mmr.2021.12060] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 03/01/2021] [Indexed: 02/06/2023] Open
Abstract
In recent years, increasing evidence has confirmed that exosomal circular RNAs (circRNAs) serve a crucial role in the prognostic prediction and diagnosis of liver cancer (LC). The present study compared the expression patterns of exosomal circRNAs during transarterial chemoembolization (TACE). CircRNA sequencing analysis identified 390 differentially expressed circRNAs between the prior TACE and following the first TACE operation groups and 489 differentially expressed circRNAs between the prior to TACE and following the second TACE operation groups. Gene Ontology analysis of the differentially expressed circRNAs demonstrated that they were associated with fatty acid metabolism, receptor binding and membrane protein complexes. Kyoto Encyclopedia of Genes and Genomes pathway analysis predicted that protein digestion and absorption pathways were activated following TACE. A novel gene was screened out; hsa‑circRNA‑G004213 (circ‑G004213) was significantly upregulated following TACE (fold change >10, P < 0.01). Further analysis found circ‑G004213 significantly increased the cisplatin sensitivity of HepG2 cells and positively associated with the prognosis of tumor‑bearing mice. Based on the potential downstream miRNAs and mRNAs, the circRNA‑miRNA‑mRNA network was constructed. It was demonstrated that circ‑G004213 regulated cisplatin resistance via the miR‑513b‑5p/PRPF39 axis. Finally, the present study confirmed that circ‑G004213 was positively associated with the prognosis of patients with LC following TACE. Therefore, circ‑G004213 may be used as an indicator for predicting the efficacy of TACE.
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Affiliation(s)
- Ling Qin
- Department of Gastroenterology, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610000, P.R. China
| | - Zibo Zhan
- Department of Gastroenterology, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610000, P.R. China
| | - Chunxue Wei
- Department of Gastroenterology, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610000, P.R. China
| | - Xuemei Li
- Department of Gastroenterology, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610000, P.R. China
| | - Tongqin Zhang
- Department of Gastroenterology, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610000, P.R. China
| | - Jun Li
- Department of Gastroenterology, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610000, P.R. China
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99994
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Rizzo A, Ricci AD, Brandi G. Ivosidenib in IDH-mutant cholangiocarcinoma: where do we stand? EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2021. [DOI: 10.1080/23808993.2021.1915126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Alessandro Rizzo
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Angela Dalia Ricci
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Giovanni Brandi
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
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99995
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Zhao R, Shan Y, Zhou X, Zhang C, Zhao R, Zhao L, Shan B. MicroRNA‑485‑5p suppresses the progression of esophageal squamous cell carcinoma by targeting flotillin‑1 and inhibits the epithelial‑mesenchymal transition. Oncol Rep 2021; 45:93. [PMID: 33846817 PMCID: PMC8047942 DOI: 10.3892/or.2021.8044] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 02/02/2021] [Indexed: 02/07/2023] Open
Abstract
As esophageal squamous cell carcinoma (ESCC) is one of the most frequently diagnosed cancers in Asia, it is crucial to uncover its underlying molecular mechanisms that support its development and progression. Several articles have reported that microRNA (miR)-485-5p inhibits the malignant phenotype in a number of cancer types, such as lung, gastric and breast cancer, but to the best of our knowledge, its function in ESCC has not been studied in depth until the present study. It is of great significance to probe the regulatory action and underlying mechanism of miR-485-5p in ESCC. In brief, this study identified that miR-485-5p expression in ESCC tissues was significantly lower than that in normal tissues. The decrease in miR-485-5p expression was associated with a larger tumour size and poor histology and stage. The expression of miR-485-5p was relatively high in Eca 109 and TE-1 cells, but relatively low in KYSE 30. The overexpression of miR-485-5p inhibited cell proliferation, migration and invasion in vitro, whereas miR-485-5p knockdown did the opposite. Flotillin-1 (FLOT-1) can facilitate the malignant phenotype in various cancer types. The present study found that in ESCC tissue, the protein expression of FLOT-1 was negatively correlated with miR-485-5p expression. Further experiments showed that miR-485-5p directly targeted the 3′-untranslated region of FLOT-1. The overexpression of miR-485-5p significantly suppressed the mRNA and protein expression levels of FLOT-1, whereas knockdown had the reverse effects. Furthermore, overexpression of miR-485-5p restrained epithelial-mesenchymal metastasis (EMT)-related factors at both the mRNA and protein levels. At the same time, it also inhibited the growth of ESCC and restrained the EMT in vivo. In summary, miR-485-5p was found to be an inhibitor of ESCC and may have potential as a novel target candidate for ESCC treatment.
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Affiliation(s)
- Riyang Zhao
- Research Centre, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Yanan Shan
- Research Centre, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Xinliang Zhou
- Department of Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Cong Zhang
- Research Centre, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Ruinian Zhao
- Research Centre, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Lianmei Zhao
- Research Centre, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Baoen Shan
- Research Centre, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
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99996
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Huang R, Luther DC, Zhang X, Gupta A, Tufts SA, Rotello VM. Engineering the Interface between Inorganic Nanoparticles and Biological Systems through Ligand Design. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1001. [PMID: 33924735 PMCID: PMC8069843 DOI: 10.3390/nano11041001] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/06/2021] [Accepted: 04/08/2021] [Indexed: 12/15/2022]
Abstract
Nanoparticles (NPs) provide multipurpose platforms for a wide range of biological applications. These applications are enabled through molecular design of surface coverages, modulating NP interactions with biosystems. In this review, we highlight approaches to functionalize nanoparticles with "small" organic ligands (Mw < 1000), providing insight into how organic synthesis can be used to engineer NPs for nanobiology and nanomedicine.
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Affiliation(s)
| | | | | | | | | | - Vincent M. Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 N. Pleasant St., Amherst, MA 01003, USA; (R.H.); (D.C.L.); (X.Z.); (A.G.); (S.A.T.)
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99997
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Alle Q, Le Borgne E, Milhavet O, Lemaitre JM. Reprogramming: Emerging Strategies to Rejuvenate Aging Cells and Tissues. Int J Mol Sci 2021; 22:3990. [PMID: 33924362 PMCID: PMC8070588 DOI: 10.3390/ijms22083990] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/06/2021] [Accepted: 04/06/2021] [Indexed: 12/12/2022] Open
Abstract
Aging is associated with a progressive and functional decline of all tissues and a striking increase in many "age-related diseases". Although aging has long been considered an inevitable process, strategies to delay and potentially even reverse the aging process have recently been developed. Here, we review emerging rejuvenation strategies that are based on reprogramming toward pluripotency. Some of these approaches may eventually lead to medical applications to improve healthspan and longevity.
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Affiliation(s)
- Quentin Alle
- IRMB, University of Montpellier, INSERM, 34295 Montpellier, France; (Q.A.); (E.L.B.)
| | - Enora Le Borgne
- IRMB, University of Montpellier, INSERM, 34295 Montpellier, France; (Q.A.); (E.L.B.)
| | - Ollivier Milhavet
- IRMB, University of Montpellier, INSERM, CNRS, 34295 Montpellier, France
| | - Jean-Marc Lemaitre
- IRMB, University of Montpellier, INSERM, 34295 Montpellier, France; (Q.A.); (E.L.B.)
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99998
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Zuo D, Yang K, Wu S. Diagnostic performance of intravascular perfusion based contrast-enhanced ultrasound LI-RADS in the evaluation of hepatocellular carcinoma. Clin Hemorheol Microcirc 2021; 78:429-437. [PMID: 33867358 DOI: 10.3233/ch-211164] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND The contrast-enhanced ultrasound (CEUS) liver imaging reporting and data system (LI-RADS) is a relative new algorithm for hepatocellular carcinoma (HCC) assessment. OBJECTIVE To validate the diagnostic efficiency of the intravascular perfusion based CEUS LI-RADS for HCC. METHODS Archives of 873 patients with focal liver lesions (FLLs) undergoing CEUS were reviewed, and target images were read by two sonologists independently according to the CEUS LI-RADS. The diagnostic performance was calculated and compared. RESULTS Assessment with reference to CEUS LI-RADS, 87 of 218 FLLs (39.9%) were categorized as LR-5, 131 of 218 FLLs (60.1%) were categorized as non-LR-5, 19 of 99 HCCs were categorized as non-LR-5, and 7 of 119 non-HCCs were categorized as LR-5. The sensitivity, specificity, AUROC, positive and negative predictive values of CEUS LI-RADS for diagnosing HCC were 80.81%(95%CI: 71.7%-88.0%), 94.1%(95%CI: 88.3%-97.6%), 0.87 (95%CI: 0.82-0.92), 91.9%(95%CI: 84.1%-96.7%), and 85.5%(95%CI: 78.3%-91.0%), respectively. CONCLUSIONS The diagnostic efficiency of the intravascular perfusion based CEUS LI-RADS for the evaluation of HCCs is very good.
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Affiliation(s)
- Dongsheng Zuo
- Department of Ultrasound, The First Affiliated Hospital of Hainan Medical University, Haikou, China.,Department of Ultrasound, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Kefeng Yang
- Department of Ultrasound, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Size Wu
- Department of Ultrasound, The First Affiliated Hospital of Hainan Medical University, Haikou, China
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99999
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Huang S, Li Z, Wu Z, Liu C, Yu M, Wen M, Zhang L, Wang X. DDAH2 suppresses RLR-MAVS-mediated innate antiviral immunity by stimulating nitric oxide-activated, Drp1-induced mitochondrial fission. Sci Signal 2021; 14:14/678/eabc7931. [PMID: 33850055 DOI: 10.1126/scisignal.abc7931] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The RIG-I-like receptor (RLR) signaling pathway is pivotal for innate immunity against invading viruses, and dysregulation of this molecular cascade has been linked to various diseases. Here, we identified dimethylarginine dimethylaminohydrolase 2 (DDAH2) as a potent regulator of the RLR-mediated antiviral response in human and mouse. Overexpression of DDAH2 attenuated RLR signaling, whereas loss of DDAH2 function enhanced RLR signaling and suppressed viral replication ex vivo and in mice. Upon viral infection, DDAH2 relocated to mitochondria, where it induced the production of nitric oxide (NO) and the activation of dynamin-related protein 1 (Drp1), which promoted mitochondrial fission and blocked the activation of innate immune responses mediated by mitochondrial antiviral signaling (MAVS). TANK-binding kinase 1 (TBK1), a kinase downstream of MAVS, inhibited DDAH2 by phosphorylating DDAH2 at multiple sites. Our study thus identifies a reciprocal inhibitory loop between the DDAH2-NO cascade and the RLR signaling pathway that fine-tunes the antiviral immune response.
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Affiliation(s)
- Shan Huang
- Department of Immunology, School of Basic Medical Sciences; Advanced Innovation Center for Human Brain Protection, Beijing Key Laboratory for Cancer Invasion and Metastasis, Department of Oncology, Capital Medical University, Beijing 100069, China.,Department of Cell Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Zexing Li
- Department of Cell Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Zewen Wu
- Department of Immunology, School of Basic Medical Sciences; Advanced Innovation Center for Human Brain Protection, Beijing Key Laboratory for Cancer Invasion and Metastasis, Department of Oncology, Capital Medical University, Beijing 100069, China.,Department of Rheumatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Shanxi Bethune Hospital Affiliated to Shanxi Medical University, Taiyuan 30032, Shanxi, China
| | - Chang Liu
- Department of Immunology, School of Basic Medical Sciences; Advanced Innovation Center for Human Brain Protection, Beijing Key Laboratory for Cancer Invasion and Metastasis, Department of Oncology, Capital Medical University, Beijing 100069, China.,Department of Cell Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Minghang Yu
- Department of Immunology, School of Basic Medical Sciences; Advanced Innovation Center for Human Brain Protection, Beijing Key Laboratory for Cancer Invasion and Metastasis, Department of Oncology, Capital Medical University, Beijing 100069, China
| | - Mingjie Wen
- Department of Immunology, School of Basic Medical Sciences; Advanced Innovation Center for Human Brain Protection, Beijing Key Laboratory for Cancer Invasion and Metastasis, Department of Oncology, Capital Medical University, Beijing 100069, China
| | - Liyun Zhang
- Department of Rheumatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Shanxi Bethune Hospital Affiliated to Shanxi Medical University, Taiyuan 30032, Shanxi, China.
| | - Xi Wang
- Department of Immunology, School of Basic Medical Sciences; Advanced Innovation Center for Human Brain Protection, Beijing Key Laboratory for Cancer Invasion and Metastasis, Department of Oncology, Capital Medical University, Beijing 100069, China. .,Department of Cell Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China.,Department of Rheumatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Shanxi Bethune Hospital Affiliated to Shanxi Medical University, Taiyuan 30032, Shanxi, China
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100000
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Ahmed FW, Kirupakaran T, Quante M, Smith A. Hepatomegaly, Elevated Hepatic Enzymes, and Bridging Fibrosis in Patients With Type 1 Diabetes Mellitus. Cureus 2021; 13:e14446. [PMID: 33996309 PMCID: PMC8114958 DOI: 10.7759/cureus.14446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Glycogenic hepatopathy is a rare but reversible condition that includes acute liver dysfunction and hepatomegaly. This occurs due to excessive glycogen accumulation in the hepatocytes. It can occur in patients with poorly controlled type 1 diabetes mellitus. We are reporting a case of a 17-year-old girl who developed liver dysfunction following admission with diabetic ketoacidosis. Ultrasound abdomen confirmed hepatomegaly. However, with improvement in her metabolic control, her liver enzymes and hepatomegaly improved.
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Affiliation(s)
- Fahad W Ahmed
- Diabetes and Endocrinology, University Hospitals Sussex NHS Foundation, Brighton, GBR
| | - Tharaga Kirupakaran
- Diabetes and Endocrinology, Brighton and Sussex Medical School, Brighton, GBR
| | - Mara Quante
- Histopathology, University Hospitals Sussex NHS Foundation, Brighton, GBR
| | - Andrew Smith
- Diabetes, Diabetes Care for You and Sussex Community Foundation NHS Trust, Brighton, GBR
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