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Xu Z. CRISPR/Cas9-mediated silencing of CD44: unveiling the role of hyaluronic acid-mediated interactions in cancer drug resistance. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:2849-2876. [PMID: 37991544 DOI: 10.1007/s00210-023-02840-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 11/07/2023] [Indexed: 11/23/2023]
Abstract
A comprehensive overview of CD44 (CD44 Molecule (Indian Blood Group)), a cell surface glycoprotein, and its interaction with hyaluronic acid (HA) in drug resistance mechanisms across various types of cancer is provided, where CRISPR/Cas9 gene editing was utilized to silence CD44 expression and examine its impact on cancer cell behavior, migration, invasion, proliferation, and drug sensitivity. The significance of the HA-CD44 axis in tumor microenvironment (TME) delivery and its implications in specific cancer types, the influence of CD44 variants and the KHDRBS3 (KH RNA Binding Domain Containing, Signal Transduction Associated 3) gene on cancer progression and drug resistance, and the potential of targeting HA-mediated pathways using CRISPR/Cas9 gene editing technology to overcome drug resistance in cancer were also highlighted.
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Affiliation(s)
- Zhujun Xu
- Wuhan No.1 Hospital, Wuhan, 430022, Hubei, China.
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2
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Zeng Y, Huang J, Pang J, Pan S, Wu Y, Jie Y, Li X, Chong Y. The occurrence of immune-related adverse events is an independent risk factor both for serum HBsAg increase and HBV reactivation in HBsAg-positive cancer patients receiving PD-1 inhibitor combinational therapy. Front Immunol 2024; 15:1330644. [PMID: 38558804 PMCID: PMC10979302 DOI: 10.3389/fimmu.2024.1330644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 02/20/2024] [Indexed: 04/04/2024] Open
Abstract
Background Previous studies have suggested the potential of PD-1/PD-L1 inhibitors in the treatment of chronic HBV infection. However, since phase III clinical trials have not yet been announced, additional clinical insights may be obtained by observing changes in serum hepatitis B surface antigen (HBsAg) and HBV-DNA levels in cancer patients undergoing PD-1 inhibitor therapy. Objective To explore the effects of PD-1 inhibitor combinational therapy on serum HBsAg and HBV-DNA levels, investigate the incidence of HBsAg loss, HBV reactivation (HBVr), and immune-related adverse events (irAEs), and identify the risk factors associated with significant HBsAg fluctuations and HBVr. Methods A retrospective study including 1195 HBsAg-positive cancer patients who received PD-1 inhibitors between July 2019 and June 2023 was conducted, and 180 patients were enrolled in this study. Serum HBsAg levels before and after PD-1 inhibitor administration were compared across different subgroups. The Pearson χ2 or Fisher exact test was performed to investigate the relationships between categorical variables. Univariable and multivariable analysis were performed to identify the risk factors associated with significant HBsAg fluctuations and HBVr. Results With the concurrent use of antiviral agents, serum HBsAg levels decreased (Z=-3.966, P < 0.0001) in 129 patients and increased (t=-2.047, P=0.043) in 51 patients. Additionally, 7 patients (3.89%) achieved serum HBsAg loss. Virus replication was suppressed in most of the enrolled patients. When divided patients into different subgroups, significant HBsAg decreases after PD-1 inhibitor administration were discovered in lower baseline HBsAg group (Z=-2.277, P=0.023), HBeAg-seronegative group (Z=-2.200, P=0.028), non-irAEs occurrence group (Z=-2.007, P=0.045) and liver cancer group (Z=-1.987, P=0.047). Of note, 11 patients and 36 patients experienced HBVr (6.11%) and irAEs (20%), respectively, which could lead to discontinuation or delayed use of PD-1 inhibitors. After multivariable analysis, HBeAg-seropositive (OR, 7.236 [95% CI, 1.757-29.793], P=0.01) and the occurrence of irAEs (OR, 4.077 [95% CI, 1.252-13.273], P=0.02) were identified as the independent risk factors for significant HBsAg increase, the occurrence of irAEs (OR, 5.560 [95% CI, 1.252-13.273], P=0.01) was identified as the only independent risk factor for HBVr. Conclusion PD-1 inhibitors combined with nucleos(t)ide analogues (NAs) may exert therapeutic potential for chronic HBV infection in cancer patients. However, attention also should be paid to the risk of significant elevation in HBsAg levels, HBVr, and irAEs associated with PD-1 inhibitor combinational therapy.
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Affiliation(s)
- Yingfu Zeng
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jiwei Huang
- Department of Pharmacy, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jiahui Pang
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shufang Pan
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yuankai Wu
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yusheng Jie
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xinhua Li
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yutian Chong
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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3
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Zhou D, Liu L, Liu J, Li H, Zhang J, Cao Z. A Systematic Review of the Advances in the Study of T Lymphocyte Suppressor Receptors in HBV Infection: Potential Therapeutic Targets. J Clin Med 2024; 13:1210. [PMID: 38592036 PMCID: PMC10931645 DOI: 10.3390/jcm13051210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/23/2024] [Accepted: 02/18/2024] [Indexed: 04/10/2024] Open
Abstract
Background: HBV-specific T lymphocytes are pivotal in eliminating the hepatitis B virus (HBV) and regulating intrahepatic inflammatory reactions. Effective T cell responses curtail HBV infection; however, compromised immunity can result in persistent infection. Beyond the acute phase, the continued presence of antigens and inflammation leads to the increased expression of various inhibitory receptors, such as PD-1, CTLA-4, Tim-3, LAG3, 2B4, CD160, BTLA, and TIGIT. This escalates the dysfunction of and diminishes the immune and proliferative abilities of T cells. Methods: In this study, we reviewed English-language literature from PubMed, Web of Science, and Scopus up to 9 July 2023. This paper aims to elucidate the inhibitory effects of these receptors on HBV-specific T lymphocytes and how immune function can be rejuvenated by obstructing the inhibitory receptor signaling pathway in chronic HBV patients. We also summarize the latest insights into related anti-HBV immunotherapy. Result: From 66 reviewed reports, we deduced that immunotherapy targeting inhibitory receptors on T cells is a reliable method to rejuvenate T cell immune responses in chronic HBV patients. However, comprehensive combination therapy strategies are essential for a functional cure. Conclusions: Targeting T cell suppressor receptors and combining immunotherapy with antiviral treatments may offer a promising approach towards achieving a functional cure, urging future research to prioritize effective combination therapeutic strategies for chronic HBV infection.
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Affiliation(s)
| | | | | | | | - Jing Zhang
- The Third Unit, Department of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing 100069, China; (D.Z.); (L.L.); (J.L.); (H.L.)
| | - Zhenhuan Cao
- The Third Unit, Department of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing 100069, China; (D.Z.); (L.L.); (J.L.); (H.L.)
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Bartosh UI, Dome AS, Zhukova NV, Karitskaya PE, Stepanov GA. CRISPR/Cas9 as a New Antiviral Strategy for Treating Hepatitis Viral Infections. Int J Mol Sci 2023; 25:334. [PMID: 38203503 PMCID: PMC10779197 DOI: 10.3390/ijms25010334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Hepatitis is an inflammatory liver disease primarily caused by hepatitis A (HAV), B (HBV), C (HCV), D (HDV), and E (HEV) viruses. The chronic forms of hepatitis resulting from HBV and HCV infections can progress to cirrhosis or hepatocellular carcinoma (HCC), while acute hepatitis can lead to acute liver failure, sometimes resulting in fatality. Viral hepatitis was responsible for over 1 million reported deaths annually. The treatment of hepatitis caused by viral infections currently involves the use of interferon-α (IFN-α), nucleoside inhibitors, and reverse transcriptase inhibitors (for HBV). However, these methods do not always lead to a complete cure for viral infections, and chronic forms of the disease pose significant treatment challenges. These facts underscore the urgent need to explore novel drug developments for the treatment of viral hepatitis. The discovery of the CRISPR/Cas9 system and the subsequent development of various modifications of this system have represented a groundbreaking advance in the quest for innovative strategies in the treatment of viral infections. This technology enables the targeted disruption of specific regions of the genome of infectious agents or the direct manipulation of cellular factors involved in viral replication by introducing a double-strand DNA break, which is targeted by guide RNA (spacer). This review provides a comprehensive summary of our current knowledge regarding the application of the CRISPR/Cas system in the regulation of viral infections caused by HAV, HBV, and HCV. It also highlights new strategies for drug development aimed at addressing both acute and chronic forms of viral hepatitis.
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Affiliation(s)
| | | | | | | | - Grigory A. Stepanov
- The Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia; (U.I.B.); (A.S.D.); (N.V.Z.); (P.E.K.)
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Zhou J, He X, Ou Y, Peng S, Li D, Zhou Q, Fu J, Long Y, Tan Y. Role of CXCR5 + CD8 + T cells in human hepatitis B virus infection. J Viral Hepat 2023; 30:638-645. [PMID: 37129474 DOI: 10.1111/jvh.13840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/05/2023] [Accepted: 04/15/2023] [Indexed: 05/03/2023]
Abstract
The replication of HBV in hepatocytes can be effectively inhibited by lifelong antiviral therapy. Because of the long-term presence of HBV reservoirs, the virus rebound frequently occurs once the treatment is stopped, which poses a considerable obstacle to the complete removal of the virus. In terms of gene composition, regulation of B cell action and function, CXCR5+ CD8+ T cells are similar to CXCR5+ CD4+ T follicular helper cells, while these cells are characterized by elevated programmed cell death 1 and cytotoxic-related proteins. CXCR5+ CD8+ T cells are strongly associated with progression in inflammatory and autoimmune diseases. In addition, CXCR5 expression on the surface of CD8+ T cells is mostly an indicator of memory stem cell-like failure in progenitor cells in cancer that are more responsive to immune checkpoint blocking therapy. Furthermore, the phenomena have also been demonstrated in some viral infections, highlighting the duality of the cellular immune response of CXCR5+ CD8+ T cells. This mini-review will focus on the function of CXCR5+ CD8+ T cells in HBV infection and discuss the function of these CD8+ T cells and the potential of associated co-stimulators or cytokines in HBV therapeutic strategies.
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Affiliation(s)
- Juan Zhou
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Xiaojing He
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Yangjing Ou
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Shuang Peng
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Dan Li
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Qing Zhou
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Jingli Fu
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Yunzhu Long
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Yingzheng Tan
- Department of Infectious Diseases, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
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Pang XQ, Li X, Zhu WH, Huang RK, Mo ZS, Huang ZX, Zhang Y, Xie DY, Gao ZL. LAG3+ erythroid progenitor cells inhibit HBsAg seroclearance during finite pegylated interferon treatment through LAG3 and TGF-β. Antiviral Res 2023; 213:105592. [PMID: 37004734 DOI: 10.1016/j.antiviral.2023.105592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 03/16/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023]
Abstract
HBsAg seroclearance, the ideal aim of anti-hepatitis B virus (HBV) treatment, cannot be achieved easily. Anemia is another common issue for chronic hepatitis B (CHB) patients, which leads to elevation of erythroid progenitor cells (EPCs) and immune suppression in cancer. This study investigated the role of EPCs in HBsAg seroclearance following PEGylated interferon-α (PEG-IFN) treatment. CD45+EPC accumulation in CHB patients and an AAV/HBV mice model was found in the circulation and liver by flow cytometry and immunofluorescence tests. Wright-Giemsa staining showed that these pathological CD45+EPCs presented elevated erythroid cells with relative immature morphologies and atypical cells compared with the control cells. CD45+EPCs were associated with immune tolerance and decreased HBsAg seroclearance during finite PEG-IFN treatment. CD45+EPCs suppressed antigen non-specific T cell activation and HBV-specific CD8+T cells, partially through transforming growth factor β (TGF-β). RNA-seq revealed that CD45+EPCs in patients with CHB presented a distinct gene expression profile compared with CD45-EPCs and CD45+EPCs from cord blood. Notably, CD45+EPCs from patients with CHB expressed high level of Lymphocyte-activation gene 3 (LAG3), an immune checkpoint molecule, and were then defined as LAG3+EPCs. LAG3+EPCs diminished the function of antigen presenting cells through LAG3, which was another mechanism by which LAG3+EPCs' suppressed HBV-specific CD8+T cells. Anti-LAG3 and anti-TGF-β combination treatment decreased serum HBeAg, HBV DNA levels and HBsAg level, as well as HBsAg-expression in hepatocytes during PEG-IFN treatment in the AAV/HBV mice model. Conclusions: LAG3+EPCs inhibited the efficacy of PEG-IFN treatment on HBsAg seroclearance induced by LAG3 and TGF-β. Anti-LAG3, anti-TGF-β and PEG-IFN combination treatment might facilitate HBV clearance.
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Qi R, Cao J, Wu Y, Lei X, He J, Zhang L, Fu R, Chen F, Wang Y, Zhang T, Xia N, Yuan Q. Combination therapy of therapeutic antibody and vaccine or entecavir in HBV carrier mice. Front Microbiol 2023; 14:1173061. [PMID: 37213494 PMCID: PMC10196021 DOI: 10.3389/fmicb.2023.1173061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/11/2023] [Indexed: 05/23/2023] Open
Abstract
Chronic infection with the hepatitis B virus (HBV) is a leading causes of liver cirrhosis and hepatocellular carcinoma. However, managing HBV treatments is challenging due to the lack of effective monotherapy. Here, we present two combination approaches, both of which aim to target and enhance the clearance of HBsAg and HBV-DNA. The first approach involves the use of antibodies to continuously suppress HBsAg, followed by the administration of a therapeutic vaccine in a sequential manner. This approach results in better therapeutic outcomes compared to the use of these treatments individually. The second approach involves combining antibodies with ETV, which effectively overcomes the limitations of ETV in suppressing HBsAg. Thus, the combination of therapeutic antibodies, therapeutic vaccines, and other existing drugs is a promising strategy for the development of novel strategies to treat hepatitis B.
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Affiliation(s)
- Ruoyao Qi
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Jiali Cao
- Department of Clinical Laboratory, Women and Children’s Hospital, School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Yangtao Wu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Xing Lei
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Jinhang He
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Liang Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Rao Fu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Feng Chen
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Yingbin Wang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
- *Correspondence: Yingbin Wang,
| | - Tianying Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
- Tianying Zhang,
| | - Ningshao Xia
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen, Fujian, China
| | - Quan Yuan
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Life Sciences & School of Public Health, Xiamen University, Xiamen, Fujian, China
- Quan Yuan,
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Gao L, Zhou J, Ye L. Role of CXCR5 + CD8 + T cells in human immunodeficiency virus-1 infection. Front Microbiol 2022; 13:998058. [PMID: 36452930 PMCID: PMC9701836 DOI: 10.3389/fmicb.2022.998058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 10/24/2022] [Indexed: 07/30/2023] Open
Abstract
Human immunodeficiency virus (HIV) infection can be effectively suppressed by life-long administration of combination antiretroviral therapy (cART). However, the viral rebound can occur upon cART cessation due to the long-term presence of HIV reservoirs, posing a considerable barrier to drug-free viral remission. Memory CD4+ T cell subsets, especially T follicular helper (T FH ) cells that reside in B-cell follicles within lymphoid tissues, are regarded as the predominant cellular compartment of the HIV reservoir. Substantial evidence indicates that HIV-specific CD8+ T cell-mediated cellular immunity can sustain long-term disease-free and transmission-free HIV control in elite controllers. However, most HIV cure strategies that rely on expanded HIV-specific CD8+ T cells for virus control are likely to fail due to cellular exhaustion and T FH reservoir-specialized anatomical structures that isolate HIV-specific CD8+ T cell entry into B-cell follicles. Loss of stem-like memory properties is a key feature of exhaustion. Recent studies have found that CXC chemokine receptor type 5 (CXCR5)-expressing HIV-specific CD8+ T cells are memory-like CD8+ T cells that can migrate into B-cell follicles to execute inhibition of viral replication. Furthermore, these unique CD8+ T cells can respond to immune checkpoint blockade (ICB) therapy. In this review, we discuss the functions of these CD8+ T cells as well as the translation of findings into viable HIV treatment and cure strategies.
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Affiliation(s)
- Leiqiong Gao
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Jing Zhou
- Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Lilin Ye
- Institute of Immunology, Third Military Medical University, Chongqing, China
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Codelivery of HBx-siRNA and Plasmid Encoding IL-12 for Inhibition of Hepatitis B Virus and Reactivation of Antiviral Immunity. Pharmaceutics 2022; 14:pharmaceutics14071439. [PMID: 35890334 PMCID: PMC9318813 DOI: 10.3390/pharmaceutics14071439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 06/24/2022] [Accepted: 07/04/2022] [Indexed: 02/04/2023] Open
Abstract
Chronic hepatitis B is a critical cause of many serious liver diseases such as hepatocellular carcinoma (HCC). The main challenges in hepatitis B treatment include the rebound of hepatitis B virus (HBV)-related antigen levels after drug withdrawal and the immunosuppression caused by the virus. Herein, we demonstrate that the HBV-related antigen can be effectively inhibited and antiviral immunity can be successfully reactivated through codelivery of the small interfering RNA (siRNA) targeting HBV X protein (HBx) and the plasmid encoding interleukin 12 (pIL-12) to hepatocytes and immune cells. After being treated by the siRNA/pIL-12 codelivery system, HBx mRNA and hepatitis B surface antigen (HBsAg) are dramatically reduced in HepG2.215 cells. More importantly, the downregulated CD47 and programmed death ligand 1 (PD-L1) and the upregulated interferon-β promoter stimulator-1 (IPS-1), retinoic acid-inducible gene-1 (RIG-1), CD80, and human leukocyte antigen-1 (HLA-1) in treated HepG2.215 cells indicate that the immunosuppression is reversed by the codelivery system. Furthermore, the codelivery system results in inhibition of extracellular regulated protein kinases (ERK) and phosphoinositide-3-kinase (PI3K)/protein kinase B (Akt) pathways, as well as downregulation of B-cell lymphoma-2 (Bcl-2) and upregulation of p53, implying its potential in preventing the progression of HBV-induced HCC. In addition, J774A.1 macrophages treated by the codelivery system were successfully differentiated into the M1 phenotype and expressed enhanced cytokines with anti-hepatitis B effects such as interleukin 6 (IL-6) and tumor necrosis factor-α (TNF-α). Therefore, we believe that codelivery of siRNA and pIL-12 can effectively inhibit hepatitis B virus, reverse virus-induced immunosuppression, reactivate antiviral immunity, and hinder the progression of HBV-induced hepatocellular carcinoma. This investigation provides a promising approach for the synergistic treatment of HBV infection.
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Kayesh MEH, Hashem MA, Kohara M, Tsukiyama-Kohara K. In vivo Delivery Tools for Clustered Regularly Interspaced Short Palindromic Repeat/Associated Protein 9-Mediated Inhibition of Hepatitis B Virus Infection: An Update. Front Microbiol 2022; 13:953218. [PMID: 35847068 PMCID: PMC9284033 DOI: 10.3389/fmicb.2022.953218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 06/15/2022] [Indexed: 12/05/2022] Open
Abstract
Chronic hepatitis B virus (HBV) infection remains a major global health problem despite the availability of an effective prophylactic HBV vaccine. Current antiviral therapies are unable to fully cure chronic hepatitis B (CHB) because of the persistent nature of covalently closed circular DNA (cccDNA), a replicative template for HBV, which necessitates the development of alternative therapeutic approaches. The CRISPR/Cas system, a newly emerging genome editing tool, holds great promise for genome editing and gene therapy. Several in vitro and/or in vivo studies have demonstrated the effectiveness of HBV-specific clustered regularly interspaced short palindromic repeat (CRISPR)/associated protein 9 (CRISPR/Cas9) systems in cleaving HBV DNA and cccDNA. Although recent advances in CRISPR/Cas technology enhance its prospects for clinical application against HBV infection, in vivo delivery of the CRISPR/Cas9 system at targets sites remains a major challenge that needs to be resolved before its clinical application in gene therapy for CHB. In the present review, we discuss CRISPR/Cas9 delivery tools for targeting HBV infection, with a focus on the development of adeno-associated virus vectors and lipid nanoparticle (LNP)-based CRISPR/Cas ribonucleoprotein (RNP) delivery to treat CHB. In addition, we discuss the importance of delivery tools in the enhancement of the antiviral efficacy of CRISPR/Cas9 against HBV infection.
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Affiliation(s)
- Mohammad Enamul Hoque Kayesh
- Joint Faculty of Veterinary Medicine, Transboundary Animal Diseases Centre, Kagoshima University, Kagoshima, Japan
- Department of Microbiology and Public Health, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal, Bangladesh
- *Correspondence: Mohammad Enamul Hoque Kayesh,
| | - Md Abul Hashem
- Joint Faculty of Veterinary Medicine, Transboundary Animal Diseases Centre, Kagoshima University, Kagoshima, Japan
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Kyoko Tsukiyama-Kohara
- Joint Faculty of Veterinary Medicine, Transboundary Animal Diseases Centre, Kagoshima University, Kagoshima, Japan
- Kyoko Tsukiyama-Kohara,
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Pandey M, Ojha D, Bansal S, Rode AB, Chawla G. From bench side to clinic: Potential and challenges of RNA vaccines and therapeutics in infectious diseases. Mol Aspects Med 2021; 81:101003. [PMID: 34332771 DOI: 10.1016/j.mam.2021.101003] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/27/2021] [Accepted: 07/16/2021] [Indexed: 12/14/2022]
Abstract
The functional and structural versatility of Ribonucleic acids (RNAs) makes them ideal candidates for overcoming the limitations imposed by small molecule-based drugs. Hence, RNA-based biopharmaceuticals such as messenger RNA (mRNA) vaccines, antisense oligonucleotides (ASOs), small interfering RNAs (siRNAs), microRNA mimics, anti-miRNA oligonucleotides (AMOs), aptamers, riboswitches, and CRISPR-Cas9 are emerging as vital tools for the treatment and prophylaxis of many infectious diseases. Some of the major challenges to overcome in the area of RNA-based therapeutics have been the instability of single-stranded RNAs, delivery to the diseased cell, and immunogenicity. However, recent advancements in the delivery systems of in vitro transcribed mRNA and chemical modifications for protection against nucleases and reducing the toxicity of RNA have facilitated the entry of several exogenous RNAs into clinical trials. In this review, we provide an overview of RNA-based vaccines and therapeutics, their production, delivery, current advancements, and future translational potential in treating infectious diseases.
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Affiliation(s)
- Manish Pandey
- RNA Biology Laboratory, Regional Centre for Biotechnology, Faridabad, 121001, India
| | - Divya Ojha
- Laboratory of Synthetic Biology, Regional Centre for Biotechnology, Faridabad, 121001, India
| | - Sakshi Bansal
- RNA Biology Laboratory, Regional Centre for Biotechnology, Faridabad, 121001, India
| | - Ambadas B Rode
- Laboratory of Synthetic Biology, Regional Centre for Biotechnology, Faridabad, 121001, India.
| | - Geetanjali Chawla
- RNA Biology Laboratory, Regional Centre for Biotechnology, Faridabad, 121001, India.
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Ohsaki E, Suwanmanee Y, Ueda K. Chronic Hepatitis B Treatment Strategies Using Polymerase Inhibitor-Based Combination Therapy. Viruses 2021; 13:v13091691. [PMID: 34578273 PMCID: PMC8473100 DOI: 10.3390/v13091691] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/19/2021] [Accepted: 08/25/2021] [Indexed: 12/12/2022] Open
Abstract
Viral polymerase is an essential enzyme for the amplification of the viral genome and is one of the major targets of antiviral therapies. However, a serious concern to be solved in hepatitis B virus (HBV) infection is the difficulty of eliminating covalently closed circular (ccc) DNA. More recently, therapeutic strategies targeting various stages of the HBV lifecycle have been attempted. Although cccDNA-targeted therapies are attractive, there are still many problems to be overcome, and the development of novel polymerase inhibitors remains an important issue. Interferons and nucleos(t)ide reverse transcriptase inhibitors (NRTIs) are the only therapeutic options currently available for HBV infection. Many studies have reported that the combination of interferons and NRTI causes the loss of hepatitis B surface antigen (HBsAg), which is suggestive of seroconversion. Although NRTIs do not directly target cccDNA, they can strongly reduce the serum viral DNA load and could suppress the recycling step of cccDNA formation, improve liver fibrosis/cirrhosis, and reduce the risk of hepatocellular carcinoma. Here, we review recent studies on combination therapies using polymerase inhibitors and discuss the future directions of therapeutic strategies for HBV infection.
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Zampogiannis A, Piperi C, Baka M, Zoi I, Papavassiliou AG, Moschovi M. Low IL-23 levels in peripheral blood and bone marrow at diagnosis of acute leukemia in children increased with the elimination of leukemic burden. J Cell Mol Med 2021; 25:7426-7435. [PMID: 34235838 PMCID: PMC8335666 DOI: 10.1111/jcmm.16772] [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] [Received: 05/31/2021] [Revised: 06/17/2021] [Accepted: 06/21/2021] [Indexed: 12/24/2022] Open
Abstract
IL‐23 is an IL‐12 cytokine family member with pleiotropic functions that regulates tumour growth in various cancer types, exhibiting both anti‐tumorigenic and pro‐tumorigenic properties. Preclinical studies have shown a potential anti‐leukemic action on childhood B‐ALL cells. The study involved 65 children with acute leukemia [59 patients with acute lymphoblastic leukemia (ALL) and 6 patients with acute myeloid leukemia (AML)] and 27 healthy controls. Using an enzyme‐linked immunosorbent assay, we aimed to determine the IL‐23 levels in the peripheral blood (PB) and bone marrow (BM) of patients at diagnosis and at the end of the induction therapy (EIT). PB IL‐23 levels were lower in leukemia patients compared to the healthy controls. In all acute leukemia patients, IL‐23 levels were significantly lower at diagnosis both in PB (P = .015) and in BM (P = .037) compared to the PB and BM concentrations at the EIT. The same pattern was present in both subgroups of ALL and AML patients. The high leukemic burden at diagnosis was related with lower IL‐23 levels, which were increased with the disease remission. Considering the anti‐leukemic potential of this cytokine, the elevation of the IL‐23 concentration at the disease remission indicates a beneficial role of IL‐23 in paediatric acute leukemia.
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Affiliation(s)
- Archontis Zampogiannis
- Pediatric Hematology-Oncology Unit, Medical School, "Agia Sophia" Children's Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Margarita Baka
- Department of Pediatric Hematology-Oncology, "P&A Kyriakou" Children's Hospital, Athens, Greece
| | - Iliana Zoi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Athanasios G Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Moschovi
- Pediatric Hematology-Oncology Unit, Medical School, "Agia Sophia" Children's Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Ramirez-Phillips AC, Liu D. Therapeutic Genome Editing and In Vivo Delivery. AAPS JOURNAL 2021; 23:80. [PMID: 34080099 DOI: 10.1208/s12248-021-00613-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 05/20/2021] [Indexed: 11/30/2022]
Abstract
Improvements in the understanding of human genetics and its roles in disease development and prevention have led to an increased interest in therapeutic genome editing via the use of engineered nucleases. Various approaches have been explored in the past focusing on the development of an effective and safe system for sequence-specific editing. Compared to earlier nucleases such as zinc finger nuclease and transcription activator-like effector nuclease, the relatively low cost and ease of producing clustered regularly interspaced short palindromic repeats associated protein 9 (CRISPR/Cas9) systems have made therapeutic genome editing significantly more feasible. CRISPR/Cas9 genome editing has shown great potential to correct genetic mutations implicated in monogenic diseases and to eradicate latent or chronic viral infections in preclinical studies. Several CRISPR/Cas9-based therapeutics have reached the clinical stage, including treatments for inherited red blood cell disorders and Leber Congenital Amaurosis 10, as well as CRISPR/Cas9-edited T cells designed to target and destroy cancer cells. Further advances in therapeutic genome editing will rely on a safe and more efficient method of in vivo CRISPR/Cas9 delivery and improved efficiency of homology-directed repair for site-specific gene insertion or replacement. While other reviews have focused on one or two aspects of CRISPR/Cas9 genome editing, this review aims to provide a summary of the mechanisms of genome editing, the reasons for the emerging interest in CRISPR/Cas9 compared to other engineered nucleases, the current progress in developing CRISPR/Cas9 delivery systems, and the current preclinical and clinical applications of CRISPR/Cas9 genome editing.
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Affiliation(s)
| | - Dexi Liu
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, 30602, USA.
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