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Chen J, Lei D, Cao P, He J, Zhang L. Efficacy and safety of brivudine for the treatment of herpes zoster: a systematic review and meta-analysis. J DERMATOL TREAT 2024; 35:2355256. [PMID: 38811010 DOI: 10.1080/09546634.2024.2355256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 04/01/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND AND OBJECTIVE Brivudine has been used in herpes zoster (HZ) treatment for years, but the safety and efficacy of brivudine are inconclusive. Here we perform a meta-analysis to assess the efficacy, safety, incidence of postherpetic neuralgia of brivudine. METHODS Data of randomized controlled Trials (RCTS) were obtained from the databases of both English (PubMed, Embase, and Cochrane Library) and Chinese (China National Knowledge Infrastructure, China Science Journal Database, and WanFang Database) literatures from inception to 12 September 2022. Meta-analyses of efficacy and safety of Brivudine for the treatment of herpes zoster for RCTS were conducted. RESULTS The analyses included seven RCTS (2095 patients in experimental group and 2076 patients in control group) in the treatment of HZ with brivudine. It suggested that the brivudine group was superior to the control group in terms of efficacy (p = .0002) and incidence of postherpetic neuralgia (p = .04). But the incidence of adverse reactions has no significant difference between the brivudine and the control groups (p = .22). In addition, subgroup analysis of adverse events also showed that brivudine was about the same safety as other modalities in the treatment of HZ (p > .05). CONCLUSIONS Brivudine is effective for HZ. However, the evidence on the safety of brivudine is insufficient.
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Affiliation(s)
- Jiaxing Chen
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Dongyun Lei
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
- Department of Dermatology, Tianjin lnstitute of lntegrative Dermatology, Tianjin, China
| | - Peng Cao
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
- Department of Dermatology, Tianjin lnstitute of lntegrative Dermatology, Tianjin, China
| | - Junchen He
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
- Department of Dermatology, Tianjin lnstitute of lntegrative Dermatology, Tianjin, China
| | - Litao Zhang
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
- Department of Dermatology, Tianjin lnstitute of lntegrative Dermatology, Tianjin, China
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Kong E, Hua T, Li J, Li Y, Yang M, Ding R, Wang H, Wei H, Feng X, Han C, Yuan H. HSV-1 reactivation results in post-herpetic neuralgia by upregulating Prmt6 and inhibiting cGAS-STING. Brain 2024; 147:2552-2565. [PMID: 38366606 PMCID: PMC11224619 DOI: 10.1093/brain/awae053] [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: 08/03/2023] [Revised: 12/31/2023] [Accepted: 01/19/2024] [Indexed: 02/18/2024] Open
Abstract
Chronic varicella zoster virus (VZV) infection induced neuroinflammatory condition is the critical pathology of post-herpetic neuralgia (PHN). The immune escape mechanism of VZV remains elusive. As to mice have no VZV infection receptor, herpes simplex virus type 1 (HSV-1) infection is a well established PHN mice model. Transcriptional expression analysis identified that the protein arginine methyltransferases 6 (Prmt6) was upregulated upon HSV-1 infection, which was further confirmed by immunofluorescence staining in spinal dorsal horn. Prmt6 deficiency decreased HSV-1-induced neuroinflammation and PHN by enhancing antiviral innate immunity and decreasing HSV-1 load in vivo and in vitro. Overexpression of Prmt6 in microglia dampened antiviral innate immunity and increased HSV-1 load. Mechanistically, Prmt6 methylated and inactivated STING, resulting in reduced phosphorylation of TANK binding kinase-1 (TBK1) and interferon regulatory factor 3 (IRF3), diminished production of type I interferon (IFN-I) and antiviral innate immunity. Furthermore, intrathecal or intraperitoneal administration of the Prmt6 inhibitor EPZ020411 decreased HSV-1-induced neuroinflammation and PHN by enhancing antiviral innate immunity and decreasing HSV-1 load. Our findings revealed that HSV-1 escapes antiviral innate immunity and results in PHN by upregulating Prmt6 expression and inhibiting the cGAS-STING pathway, providing novel insights and a potential therapeutic target for PHN.
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Affiliation(s)
- Erliang Kong
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
- Department of Anesthesiology, The 988th Hospital of Joint Logistic Support Force of Chinese People’s Liberation Army, Zhengzhou, Henan 450042, China
| | - Tong Hua
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Jian Li
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Yongchang Li
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Mei Yang
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Ruifeng Ding
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Haowei Wang
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Huawei Wei
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Xudong Feng
- Department of Anesthesiology, The 988th Hospital of Joint Logistic Support Force of Chinese People’s Liberation Army, Zhengzhou, Henan 450042, China
| | - Chaofeng Han
- Department of Histology and Embryology, Naval Medical University, Shanghai 200433, China
| | - Hongbin Yuan
- Department of Anesthesiology, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
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Leong E, Cifuentes-González C, Hu Y W J, Perumal Samy R, Khairallah M, Rojas-Carabali W, Putera I, de-la-Torre A, Agrawal R. Clinical Insights: Antimicrobial Therapy for Infectious Uveitis. Ocul Immunol Inflamm 2024:1-21. [PMID: 38759216 DOI: 10.1080/09273948.2024.2345848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 04/16/2024] [Indexed: 05/19/2024]
Abstract
Infectious uveitis is a major global cause of vision impairment. Despite the eye's immune privilege, afforded by the blood-ocular barrier that restricts microbial entry, several pathogens such as bacteria, viruses, fungi, and parasites can still infiltrate and cause ocular infections and complications. Clinicians often encounter significant challenges in treating infectious uveitis due to limited or ineffective treatment options. Modern molecular techniques and imaging can aid in diagnosing and assessing intraocular infections. Various antimicrobial therapies exist, spanning topical and systemic treatments, but these are constrained by issues like drug concentration, penetration, effective duration, toxicity, and side effects. Treatment approaches also differ based on the infection's etiology. This review provides recent updates on antimicrobial therapies from a clinical perspective, covering topical, systemic, and regional treatments for infectious uveitis.
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Affiliation(s)
- Evangeline Leong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Carlos Cifuentes-González
- Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá, Colombia
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Jeremy Hu Y W
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Ramar Perumal Samy
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Ocular Infections and Antimicrobial Group, Singapore Eye Research Institute, Singapore, Singapore
| | - Moncef Khairallah
- Department of Ophthalmology, Faculty of Medicine, Fattouma Bourguiba University Hospital, University of Monastir, Monastir, Tunisia
| | - William Rojas-Carabali
- Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá, Colombia
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Ikhwanuliman Putera
- Department of Ophthalmology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Kirana Eye Hospital, Jakarta, Indonesia
- Department of Immunology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Alejandra de-la-Torre
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Rupesh Agrawal
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
- Ocular Infections and Antimicrobial Group, Singapore Eye Research Institute, Singapore, Singapore
- Lee Kong Chian School of Medicine, Singapore, Singapore
- Duke NUS Medical School, Singapore, Singapore
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Kumar S. The Overview of Potential Antiviral Bioactive Compounds in Poxviruses. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1451:331-336. [PMID: 38801588 DOI: 10.1007/978-3-031-57165-7_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Poxviruses belong to the family of double-stranded DNA viruses, and it is pathogenic for humans and spread worldwide. These viruses cause infections and various diseases in human. So, it is required to develop new drugs for the treatment of smallpox or other poxvirus infections. Very few potential compounds for the treatment of poxvirus such as smallpox, chickenpox, and monkeypox have been reported. Most of the compounds has used as vaccines. Cidofovir is most commonly used as a vaccine for the treatment of poxviruses. There are no phytochemicals reported for the treatment of poxviruses. Very few phytochemicals are under investigation for the treatment of poxviruses.
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Affiliation(s)
- Sunil Kumar
- Department of Chemistry, Sant Kavi Baba Baijnath Government P.G. College Harakh, Barabanki (UP), 225121, India.
- Dr. Rammanohar Lohia Avadh University, Ayodhya, Uttar Pradesh, 224001, India.
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5
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Wu J, Cai Y, Jiang N, Qian Y, Lyu R, You Q, Zhang F, Tao H, Zhu H, Nawaz W, Chen D, Wu Z. Pralatrexate inhibited the replication of varicella zoster virus and vesicular stomatitis virus: An old dog with new tricks. Antiviral Res 2024; 221:105787. [PMID: 38145756 DOI: 10.1016/j.antiviral.2023.105787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 12/27/2023]
Abstract
Varicella zoster virus (VZV) is associated with herpes zoster (HZ) or herpes zoster ophthalmicus (HZO). All antiviral agents currently licensed for the management of VZV replication via modulating different mechanisms, and the resistance is on the rise. There is a need to develop new antiviral agents with distinct mechanisms of action and adequate safety profiles. Pralatrexate (PDX) is a fourth-generation anti-folate agent with an inhibitory activity on folate (FA) metabolism and has been used as an anti-tumor drug. We observed that PDX possessed potent inhibitory activity against VZV infection. In this study, we reported the antiviral effects and the underlying mechanism of PDX against VZV infection. The results showed that PDX not only inhibited VZV replication in vitro and in mice corneal tissues but also reduced the inflammatory response and apoptosis induced by viral infection. Furthermore, PDX treatment showed a similar anti-VSV inhibitory effect in both in vitro and in vivo models. Mechanistically, PDX inhibited viral replication by interrupting the substrate supply for de novo purine and thymidine synthesis. In conclusion, this study discovered the potent antiviral activity of PDX with a novel mechanism and presented a new strategy for VZV treatment that targets a cellular metabolic mechanism essential for viral replication. The present study provided a new insight into the development of broad-spectrum antiviral agents.
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Affiliation(s)
- Jing Wu
- Medical School of Nanjing University, Nanjing, China
| | - Yurong Cai
- School of Life Science, Ningxia University, Yinchuan, China
| | - Na Jiang
- Medical School of Nanjing University, Nanjing, China
| | - Yajie Qian
- Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Ruining Lyu
- Medical School of Nanjing University, Nanjing, China
| | - Qiao You
- Medical School of Nanjing University, Nanjing, China
| | - Fang Zhang
- Department of Burn and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Hongji Tao
- Medical School of Nanjing University, Nanjing, China
| | - Haotian Zhu
- Medical School of Nanjing University, Nanjing, China
| | - Waqas Nawaz
- Hȏpital Maisonneuve-Rosemont, School of Medicine, University of Montreal, Canada
| | - Deyan Chen
- Medical School of Nanjing University, Nanjing, China.
| | - Zhiwei Wu
- Medical School of Nanjing University, Nanjing, China; Northern Jiangsu People's Hospital, Affiliated Teaching Hospital of Medical School, Nanjing University, Yangzhou, China; State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, China; School of Life Science, Ningxia University, Yinchuan, China.
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Lin CM, Chen HH, Lung CW, Chen HJ. Antiviral and Immunomodulatory Activities of Clinacanthus nutans (Burm. f.) Lindau. Int J Mol Sci 2023; 24:10789. [PMID: 37445964 DOI: 10.3390/ijms241310789] [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: 05/13/2023] [Revised: 06/15/2023] [Accepted: 06/25/2023] [Indexed: 07/15/2023] Open
Abstract
Clinacanthus nutans (Burm. f.) Lindau has been used as a traditional herbal medicine for treating snake bites, scalds, burns, and viral and bacterial infections. It has been attracting an increasing amount of attention because of its biological activities, including its antidiabetic, antioxidant, antibacterial, anticancer, anti-inflammatory, antiviral, and immunoregulatory activities. Here, we conducted a panoramic survey of the literature regarding the immunoregulatory, anti-inflammatory, and antiviral activities of C. nutans. We discovered that C. nutans extracts have virucidal activities against herpes simplex virus types 1 and 2, varicella-zoster virus, cyprinid herpesvirus 3, porcine reproductive and respiratory syndrome virus, mosquito-borne chikungunya virus, and potentially SARS-CoV-2; such activities likely result from C. nutans interfering with the entry, penetration, infection, and replication of viruses. We also reviewed the phytochemicals in C. nutans extracts that exhibit anti-inflammatory and immunoregulatory activities. This updated review of the antiviral, anti-inflammatory, and immunoregulatory activities of C. nutans may guide future agricultural practices and reveal clinical applications of C. nutans.
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Affiliation(s)
- Chung-Ming Lin
- Department of Biotechnology, School of Health Technology, Ming Chuan University, Taoyuan 33348, Taiwan
| | - Hsin-Han Chen
- Division of Plastic and Reconstructive Surgery, Department of Surgery, China Medical University Hospital, Taichung 40402, Taiwan
| | - Chi-Wen Lung
- Department of Creative Product Design, Asia University, Taichung 413305, Taiwan
| | - Hui-Jye Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
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7
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Herpes Simplex Virus and Varicella Zoster Virus Infections in Cancer Patients. Viruses 2023; 15:v15020439. [PMID: 36851652 PMCID: PMC9961783 DOI: 10.3390/v15020439] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/28/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023] Open
Abstract
Herpes simplex virus (HSV) and varicella zoster virus (VZV) are alpha herpesviruses that establish life-long latent infection in neuronal ganglia after primary infection. Periodic reactivation of these viruses results in recurrent infections that can have significant impact on patients' quality of life. HSV commonly causes oral and genital mucocutaneous infections whereas VZV is responsible for varicella/chickenpox and herpes zoster/shingles, but cancer patients are at particularly higher risk of complications including disseminated and visceral infections due to impaired cell-mediated immunity. While diagnosis of more common HSV and/or VZV infections is frequently clinically based, immunocompromised hosts may have atypical skin presentation or visceral involvement. Thus, diagnostic confirmation using virus-specific tests such as polymerase chain reaction or immunohistochemical staining is crucial in some cases. Oral acyclovir, valacyclovir and famciclovir are usually used for mild to moderate infections and intravenous acyclovir is the drug of choice for severe or disseminated infections. Foscarnet can be used when acyclovir-resistance is confirmed or suspected. Pharmaceutical prophylaxis against HSV and/or VZV should be considered in high-risk cancers patients. Currently, there is no commercially available vaccine against HSV, but VZV vaccines are available to prevent varicella and zoster.
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Itoh K, Mitsuke Y, Wakahara M, Yoshioka T, Otsuki N, Suzuki Y, Kiriba C, Kuwata A, Sakamaki I, Iwasaki H, Tsutani H. Aseptic Meningitis after Amenamevir Treatment for Herpes Zoster in the First Branch of the Trigeminal Nerve. Intern Med 2022; 61:2809-2811. [PMID: 35228415 PMCID: PMC9556230 DOI: 10.2169/internalmedicine.8581-21] [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] [Indexed: 11/06/2022] Open
Abstract
Amenamevir has been approved for the treatment of herpes zoster (HZ); however, its therapeutic efficacy against central nervous system (CNS) infection may be insufficient due to its low spinal fluid permeability. We herein report a case of aseptic meningitis in a 91-year-old Japanese man treated with amenamevir for HZ in the trigeminal nerve region. Several cases of CNS infection have been reported in patients receiving amenamevir treatment for HZ. Patients with CNS complications often have skin rashes near the trigeminal region. Thus, we should be alert for signs of CNS infection when administering amenamevir to patients with such rashes.
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Affiliation(s)
- Kazuhiro Itoh
- Department of Internal Medicine, National Hospital Organization Awara Hospital, Japan
- Department of Infectious Diseases, Faculty of Medical Sciences, University of Fukui, Japan
| | - Yasuhiko Mitsuke
- Department of Internal Medicine, National Hospital Organization Awara Hospital, Japan
| | - Mami Wakahara
- Department of Dermatology, National Hospital Organization Awara Hospital, Japan
| | - Tatsuya Yoshioka
- Department of Ophthalmology, National Hospital Organization Awara Hospital, Japan
| | - Nozomi Otsuki
- Department of Internal Medicine, National Hospital Organization Awara Hospital, Japan
| | - Yusuke Suzuki
- Department of Internal Medicine, National Hospital Organization Awara Hospital, Japan
| | - Chiyo Kiriba
- Department of Internal Medicine, National Hospital Organization Awara Hospital, Japan
| | - Atsushi Kuwata
- Department of Internal Medicine, National Hospital Organization Awara Hospital, Japan
| | - Ippei Sakamaki
- Department of Infectious Diseases, Faculty of Medical Sciences, University of Fukui, Japan
| | - Hiromichi Iwasaki
- Department of Infectious Diseases, Faculty of Medical Sciences, University of Fukui, Japan
- Division of Infection Control and Prevention, University of Fukui Hospital, Japan
| | - Hiroshi Tsutani
- Department of Internal Medicine, National Hospital Organization Awara Hospital, Japan
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Vaccination for herpes zoster in patients with solid tumors: a position paper on the behalf of the Associazione Italiana di Oncologia Medica (AIOM). ESMO Open 2022; 7:100548. [PMID: 35853350 PMCID: PMC9434335 DOI: 10.1016/j.esmoop.2022.100548] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/18/2022] [Accepted: 06/20/2022] [Indexed: 11/24/2022] Open
Abstract
Herpes zoster (HZ) is the infectious reactivation of the varicella-zoster virus. HZ is more frequent in immunocompromised subjects, including patients with cancer. HZ complications can even last for years with a consequent delay in treatment of the underlying malignancy and with an unfavorable impact on quality of life. Nowadays, HZ is a vaccine-preventable disease: the recent approval of adjuvanted glycoprotein E-based recombinant zoster vaccine has changed preventive perspectives in immunocompromised subjects. Recombinant zoster vaccine induced both strong humoral and cellular immune responses also in immunocompromised patients. The question is, therefore, to which categories of cancer patients we should recommend HZ vaccination. Based on a careful review of the available data present in the literature, including recommendations and expert opinions, we report the position of the Associazione Italiana di Oncologia Medica on HZ vaccination in adult patients with solid tumors, thus providing clinical practice advice in a field where clear-cut information is missing. Herpes zoster (HZ) is a vaccine-preventable disease. The vaccination may prevent severe HZ complications and bacterial superinfections. The recombinant vaccine (RZV) is safe and efficacious in frail subjects. RZV can be co-administered, at different anatomic sites, with other vaccines.
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Focosi D, Maggi F, McConnell S, Casadevall A. Very low levels of remdesivir resistance in SARS-COV-2 genomes after 18 months of massive usage during the COVID19 pandemic: A GISAID exploratory analysis. Antiviral Res 2022; 198:105247. [PMID: 35033572 PMCID: PMC8755559 DOI: 10.1016/j.antiviral.2022.105247] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/06/2022] [Accepted: 01/10/2022] [Indexed: 12/12/2022]
Affiliation(s)
- Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy.
| | - Fabrizio Maggi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy; Laboratory of Microbiology, ASST Sette Laghi, Varese, Italy.
| | - Scott McConnell
- Department of Medicine, Johns Hopkins School of Public Health and School of Medicine, Baltimore, MD, USA.
| | - Arturo Casadevall
- Department of Medicine, Johns Hopkins School of Public Health and School of Medicine, Baltimore, MD, USA.
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Yu X, Li L, Chan MTV, Wu WKK. Bioinformatic analyses suggest augmented interleukin-17 signaling as the mechanism of COVID-19-associated herpes zoster. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:65769-65775. [PMID: 34322810 PMCID: PMC8318549 DOI: 10.1007/s11356-021-15567-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/18/2021] [Indexed: 05/05/2023]
Abstract
Herpes zoster results from latent varicella zoster virus reactivation in the dorsal root ganglia, causing blistering rash along the dermatomal distribution and post-herpetic neuralgia. Increasing studies indicated that there may be a correlation between herpes zoster and COVID-19. Nevertheless, the detailed pathophysiological mechanism is still unclear. We used bioinformatic analyses to study the potential genetic crosstalk between herpes zoster and COVID-19. COVID-19 and herpes zoster were associated with a similar subset of genes involved in "cytokine-cytokine receptor interaction," "Jak-STAT signaling pathway," and "IL-17 signaling pathway," including TNF, IL10, ESR1, INFG, HLA-A, CRP, STAT3, IL6, IL7, and IL17A. Protein-protein interaction network assay showed that the combined gene set indicated a raised connectivity as compared to herpes zoster or COVID-19 alone, particularly the potentiated interactions with APOE, ARSA, CCR2, CCR5, CXCL13, EGFR, GAL, GP2, HLA-B, HLA-DRB1, IL5, TECTA, and THBS1, and these genes are related to "cytokine-cytokine receptor interaction". Augmented Th17 cell differentiation and the resulting enhanced IL-17 signaling were identified in both COVID-19 and herpes zoster. Our data suggested aberrant interleukin-17 signaling as one possible mechanism through which COVID-19 could raise the risk of herpes zoster.
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Affiliation(s)
- Xin Yu
- Department of Dermatology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Linfeng Li
- Department of Dermatology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
| | - Matthew T V Chan
- Department of Anaesthesia and Intensive Care and Peter Hung Pain Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - William Ka Kei Wu
- Department of Anaesthesia and Intensive Care and Peter Hung Pain Research Institute, The Chinese University of Hong Kong, Hong Kong, Hong Kong.
- State Key Laboratory of Digestive Disease and LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong.
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12
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High conservation of varicella-zoster virus helicase-primase complex, the target of the new antiviral drug amenamevir. Antiviral Res 2021; 195:105189. [PMID: 34666108 DOI: 10.1016/j.antiviral.2021.105189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/08/2021] [Accepted: 10/15/2021] [Indexed: 11/23/2022]
Abstract
Varicella-zoster virus (VZV) resistance to current antiviral drugs, that all target the viral DNA polymerase, represents a growing concern, notably among immunocompromised patients. Amenamevir, a novel antiviral that inhibits the VZV helicase-primase (HP) complex, is approved in Japan for the treatment of herpes zoster. In this study, we describe the low natural polymorphism of VZV HP complex (interstrain identity >99.7% both at nucleotide and amino acid levels) among 44 VZV clinical isolates. This work enabled to settle the maps of natural polymorphisms of VZV HP complex and to provide the genotypic tools for the monitoring of the emergence of VZV resistance to amenamevir in patients.
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