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Li Y, Jin J, Kang X, Feng Z. Identifying and Evaluating Biological Markers of Postherpetic Neuralgia: A Comprehensive Review. Pain Ther 2024; 13:1095-1117. [PMID: 39126594 DOI: 10.1007/s40122-024-00640-3] [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: 05/06/2024] [Accepted: 07/11/2024] [Indexed: 08/12/2024] Open
Abstract
Postherpetic neuralgia (PHN) manifests as persistent chronic pain that emerges after a herpes zoster outbreak and greatly diminishes quality of life. Unfortunately, its treatment efficacy has remained elusive, with many therapeutic efforts yielding less than satisfactory results. The research to discern risk factors predicting the onset, trajectory, and prognosis of PHN has been extensive. However, these risk factors often present as nonspecific and diverse, indicating the need for more reliable, measurable, and objective detection methods. The exploration of potential biological markers, including hematological indices, pathological insights, and supportive tests, is increasing. This review highlights potential biomarkers that are instrumental for the diagnosis, management, and prognosis of PHN while also delving deeper into its genesis. Drawing from prior research, aspects such as immune responsiveness, neuronal injury, genetic makeup, cellular metabolism, and pain signal modulation have emerged as prospective biomarkers. The immune spectrum spans various cell subtypes, with an emphasis on T cells, interferons, interleukins, and other related cytokines. Studies on nerve injury are directed toward pain-related proteins and the density and health of epidermal nerve fibers. On the genetic and metabolic fronts, the focus lies in the detection of predisposition genes, atypical protein manifestations, and energy-processing dynamics, with a keen interest in vitamin metabolism. Tools such as functional magnetic resonance imaging, electromyography, and infrared imaging have come to the forefront in the pain signaling domain. This review compiles the evidence, potential clinical implications, and challenges associated with these promising biomarkers, paving the way for innovative strategies for predicting, diagnosing, and addressing PHN.
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Affiliation(s)
- Yunze Li
- Department of Pain Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Jiali Jin
- Department of Pain Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Xianhui Kang
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhiying Feng
- Department of Pain Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China.
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An SM, Chae JS, Lee HJ, Cho S, Im J. Association of Psoas: Lumbar Vertebral Index (PLVI) with Postherpetic Neuralgia in Patients Aged 60 and Older with Herpes Zoster. J Clin Med 2024; 13:3100. [PMID: 38892810 PMCID: PMC11172933 DOI: 10.3390/jcm13113100] [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: 04/18/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
Background/Objectives: The psoas: lumbar vertebral index (PLVI) is a simple and convenient measure to assess central sarcopenia. Recent studies have utilized the psoas area to indirectly assess sarcopenia and frailty, exploring their associations with various health outcomes. This study aims to investigate the relationship between the PLVI and postherpetic neuralgia (PHN) in patients aged 60 years and above following a herpes zoster (HZ) infection. Methods: We conducted a retrospective analysis of data from 351 patients (≥60 years) who developed HZ between January 2019 and December 2023; the patients were divided into two groups based on the presence or absence of PHN after HZ onset. Results: The analyses using receiver operating characteristic curves revealed a value for the area under the curve of 0.813 for PLVI and 0.769 for the modified frailty index (mFI). In a multivariate logistic regression analysis, numerical rating scale scoring, a low PLVI, and a greater number of categorical mFI variables (adjusted odds ratio: 1.30, 3.27, and 2.46, respectively) were found to be significant independent predictors of PHN. Conclusions: Our findings highlight the association between a low PLVI and PHN in an older population. The PLVI may have potential as a predictive tool for PHN in older patients with HZ, but further research is needed to confirm these results.
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Affiliation(s)
- Sang-Mee An
- Department of Anesthesiology and Pain Medicine, Ewha Womans University Seoul Hospital, Seoul 07804, Republic of Korea (H.J.L.)
- Department of Anesthesiology and Pain Medicine, College of Medicine, Ewha Womans University, Seoul 07804, Republic of Korea
| | - Ji Seon Chae
- Department of Anesthesiology and Pain Medicine, Ewha Womans University Seoul Hospital, Seoul 07804, Republic of Korea (H.J.L.)
- Department of Anesthesiology and Pain Medicine, College of Medicine, Ewha Womans University, Seoul 07804, Republic of Korea
| | - Hyun Jung Lee
- Department of Anesthesiology and Pain Medicine, Ewha Womans University Seoul Hospital, Seoul 07804, Republic of Korea (H.J.L.)
- Department of Anesthesiology and Pain Medicine, College of Medicine, Ewha Womans University, Seoul 07804, Republic of Korea
| | - Sooyoung Cho
- Department of Anesthesiology and Pain Medicine, College of Medicine, Ewha Womans University, Seoul 07804, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Ewha Womans University Mokdong Hospital, Seoul 07985, Republic of Korea
| | - Jiwoong Im
- Department of Anesthesiology and Pain Medicine, Ewha Womans University Mokdong Hospital, Seoul 07985, Republic of Korea
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Yue J, Yao M. Humoral Cytokine Levels in Patients with Herpes Zoster: A Meta-Analysis. J Pain Res 2024; 17:887-902. [PMID: 38476878 PMCID: PMC10929134 DOI: 10.2147/jpr.s449211] [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: 12/01/2023] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
Background The neurocutaneous disease caused by the reactivation of varicella-zoster virus (VZV) is called herpes zoster (HZ). The virus remains in the spinal cord back root after the chickenpox disappears. Diminished immune function can reactivate VZV, causing severe neuropathic pain that can last for months or even years, leading to postherpetic neuralgia (PHN), which severely affects the patient's quality of life. Much literature compares various cytokine levels in the body fluids HZ and PHN patients; however, no studies comprehensively evaluate them. Methods The Cochrane Library, PubMed, Web of Science, and Medline were screened for studies on cytokine levels in body fluids of HZ and PHN patients in the English language. Healthy individuals were selected as the control group, and the standardized mean difference (SMD) between the case and control groups was imputed using a fixed-effects or random-effects model and expressed as a 95% confidence interval (CI). The Newcastle-Ottawa Scale (NOS) was used to assess article quality. Results This meta-analysis included 13 articles with 1373 participants. Compared with the control group, the HZ group had significantly higher levels of interleukin (IL)-4, IL-6, IL-10, Hcy, and C-reactive protein (CRP), whereas the levels of CD3+ T and CD4+ T lymphocytes were reduced. Additionally, PHN patients had significantly higher levels of IL-6 and IL-1β compared with the control group. Conclusion This meta-analysis provides compelling evidence that CRP, Hcy, IL-1β, IL-4, IL-6, IL-8, and IL-10 are associated with the genesis and development of HZ and PHN. These markers can be used to improve the diagnosis and treatment of these diseases.Furthermore, for making the results more convincing, it is necessary to harmonize sample acquisition techniques and analytical methods and also require larger, more rigorously designed studies with broader subgroups and sex/age-matched controls.
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Affiliation(s)
- Jiayu Yue
- The Second Affiliated Hospital & Yuying Children’s Hospital of Wenzhou Medical University/The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang, People’s Republic of China
- Department of Anesthesiology and Pain Research Center, The First Hospital of Jiaxing or the Affiliated Hospital of Jiaxing University, Jiaxing City, Zhejiang, People’s Republic of China
| | - Ming Yao
- Department of Anesthesiology and Pain Research Center, The First Hospital of Jiaxing or the Affiliated Hospital of Jiaxing University, Jiaxing City, Zhejiang, People’s Republic of China
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Isagulyan ED, Semenov DE, Tomskiy AA. [Neurosurgical treatment of postherpetic neuralgia]. Zh Nevrol Psikhiatr Im S S Korsakova 2024; 124:154-157. [PMID: 38465825 DOI: 10.17116/jnevro2024124021154] [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] [Indexed: 03/12/2024]
Abstract
Postherpetic neuralgia is a chronic and debilitating condition that can occur following an episode of herpes zoster (shingles). It is characterized by severe, persistent pain in the area where the shingles rash occurred. While various treatment approaches exist, including medications and non-invasive therapies, some cases of postherpetic neuralgia may require neurosurgical intervention. Neurosurgical treatment options for postherpetic neuralgia aim to alleviate the pain by targeting the affected nerves or neural pathways. One common approach is spinal cord stimulation (SCS). In SCS, electrodes are implanted along the spinal cord, and electrical impulses are delivered to interfere with the transmission of pain signals. This technique can modulate pain perception and significantly reduce the intensity and frequency of postherpetic neuralgia symptoms. Neurosurgical treatment of postherpetic neuralgia is typically considered when conservative measures have failed to provide sufficient relief. However, it is crucial for patients to undergo a comprehensive evaluation and consultation with a neurosurgeon to determine the most appropriate treatment approach based on their specific condition and medical history. The risks, benefits, and potential outcomes of neurosurgical interventions should be carefully discussed between the patient and their healthcare provider to make an informed decision.
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Affiliation(s)
| | - D E Semenov
- Burdenko Neurosurgery Institute, Moscow, Russia
| | - A A Tomskiy
- Burdenko Neurosurgery Institute, Moscow, Russia
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Gu J, Yuan Y, Wang J, Liu H, Zhang Z, Yan Y. Serum Inflammatory Cytokine Levels in Herpes Zoster Patients and Their Association with Postherpetic Neuralgia: A Prospective Study. Med Sci Monit 2023; 29:e941878. [PMID: 37899544 PMCID: PMC10624140 DOI: 10.12659/msm.941878] [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: 07/21/2023] [Accepted: 08/28/2023] [Indexed: 10/31/2023] Open
Abstract
BACKGROUND This study aimed to investigate the serum levels of inflammatory cytokines in patients with herpes zoster (HZ) and to assess their correlation with the development of postherpetic neuralgia (PHN). Understanding this relationship may offer insight into the mechanisms of PHN and provide avenues for targeted treatment. MATERIAL AND METHODS We selected 169 patients diagnosed with HZ and 43 healthy controls (HCs) for the study. Serum levels of inflammatory cytokines were measured in all participants. Pain severity was evaluated using the visual analog scale (VAS). Based on follow-up data, the 169 HZ patients were categorized into 2 groups: those who developed PHN (HZ-PHN) and those who did not (HZ-Con). We then analyzed the differences in cytokine levels and their correlation with PHN development. RESULTS Compared to the HCs group, HZ patients exhibited a significant decrease in TNF-a levels and an increase in IL-10 levels (P<0.05, P<0.01). The VAS score was negatively correlated with TNF-alpha levels and positively correlated with IL-10 levels in HZ patients (r=-0.3081, P<0.01; r=0.5619, P<0.01). Distinctive levels of TNF-alpha, IL-6, IL-8, and IL-10 were observed among different pain groups (P<0.05, P<0.01). The HZ-PHN group showed lower TNF-alpha and higher IL-10 levels compared to the HZ-Con group (P<0.05, P<0.01). IL-10 level was identified as an independent risk factor for PHN, with a sensitivity and specificity of 76.4% and 54.3%, respectively. CONCLUSIONS Abnormal levels of inflammatory cytokines are present in HZ patients, and the IL-10 level may serve as a valuable indicator for predicting the risk of developing PHN.
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Fan HR, Zhang EM, Fei Y, Huang B, Yao M. Early Diagnosis of Herpes Zoster Neuralgia: A Narrative Review. Pain Ther 2023; 12:893-901. [PMID: 37129752 PMCID: PMC10289968 DOI: 10.1007/s40122-023-00510-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 03/30/2023] [Indexed: 05/03/2023] Open
Abstract
BACKGROUND Early intervention reduces the incidence of postherpetic neuralgia (PHN). Typical shingles are easy to diagnose; however, there is no clear diagnostic method for neuralgia symptoms manifested before the onset of the rash, which can easily cause misdiagnosis. This not only increases the patient's pain, medical expenses, and mental burden, but more importantly, delays the valuable time for early treatment of shingles, and increases the probability of complications and PHN. OBJECTIVE In this paper, the diagnostic methods of preherpetic neuralgia were summarized and analyzed, and the current challenges were put forward to provide directions for the early diagnosis of herpes zoster (HZ) in the future. METHODS PubMed, and China National Knowledge Infrastructure (CNKI) libraries were searched using the terms "herpes zoster," "before the blistering," "diagnosis," and "neuralgia." Clinical trials, reviews, and case reports were collected and reviewed. The period of literature search is from 1 January 1980 to 1 October 2022. RESULTS The early diagnosis of herpes zoster neuralgia can reduce misdiagnosis and mistreatment, and timely and effective intervention can significantly reduce the incidence of PHN. The body may possess a mechanism that limits the local breakthrough of the virus in the skin, causing blistering later than the onset of pain. Changes in the plasma proteins of patients with varicella-zoster virus shingles neuralgia may be used as an early diagnostic indicator in patients with HZ neuralgia before eruption. CONCLUSION Early diagnosis of HZ neuralgia before eruption can facilitate timely targeted treatment, thereby reducing the incidence of PHN. Proteomic quantitative analysis and validation results can serve as a simple, micro, rapid, and accurate diagnostic method.
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Affiliation(s)
- Han-Rui Fan
- Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - En-Ming Zhang
- Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Yong Fei
- Department of Anesthesiology and Pain, The Affiliated Hospital of Jiaxing University, 1882 Zhong-Huan-South Road, Jiaxing, 314000, People's Republic of China.
| | - Bing Huang
- Department of Anesthesiology and Pain, The Affiliated Hospital of Jiaxing University, 1882 Zhong-Huan-South Road, Jiaxing, 314000, People's Republic of China
| | - Ming Yao
- Department of Anesthesiology and Pain, The Affiliated Hospital of Jiaxing University, 1882 Zhong-Huan-South Road, Jiaxing, 314000, People's Republic of China
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Wu Z, Liu Q. Effects of repetitive transcranial magnetic stimulation combined with acupuncture on NLRP3 inflammasome and protease levels in patients with neuropathic pain. Am J Transl Res 2023; 15:4699-4708. [PMID: 37560225 PMCID: PMC10408539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/16/2023] [Indexed: 08/11/2023]
Abstract
PURPOSE This study aimed to investigate whether repetitive transcranial magnetic stimulation (rTMS) combined with acupuncture could alleviate pain in patients suffering from postherpetic neuralgia (PHN) by inhibiting NOD-like receptor 3 (NLRP3) inflammasome activation. METHODS Data of 92 PHN patients were retrospectively collected. The patients were grouped as control (nerve block), rTMS, and rTMS + acupuncture groups according to treatment methods. The visual analogue scale (VAS) score, as well as tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6, NLRP3, and Caspase-1 levels of patients in each group prior and post-treatment were analyzed. RESULTS The rTMS + acupuncture group showed higher efficacy than the rTMS group and the control group, contributing to markedly lower VAS score, as well as TNF-α, IL-1β, IL-6, NLRP3 and Caspase-1 levels than the other two groups (P < 0.05). CONCLUSION rTMS plus acupuncture can reduce the inflammatory immune response and ease the pain in patients by inhibiting NLRP3 inflammasome and its resulting inflammatory factors, Caspase-1 and IL-1β.
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Affiliation(s)
- Zanhua Wu
- Department of Rehabilitation Medicine, People’s Hospital of Guangxi Zhuang Autonomous RegionNanning 530000, Guangxi, The People’s Republic of China
| | - Qinghua Liu
- Department of Rehabilitation Medicine, People’s Hospital of Guangxi Zhuang Autonomous RegionNanning 530000, Guangxi, The People’s Republic of China
- Department of Orthopaedics, Hanzhong 3201 HospitalHanzhong 723000, Shaanxi, The People’s Republic of China
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Chen W, Zhu L, Shen LL, Si SY, Liu JL. T Lymphocyte Subsets Profile and Toll-Like Receptors Responses in Patients with Herpes Zoster. J Pain Res 2023; 16:1581-1594. [PMID: 37220634 PMCID: PMC10200109 DOI: 10.2147/jpr.s405157] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 05/05/2023] [Indexed: 05/25/2023] Open
Abstract
Purpose Herpes zoster (HZ) is caused by the varicella-zoster virus (VZV), and 20% of healthy humans and 50% of people with immune dysfunction have a high probability of suffering from HZ. This study aimed to screen dynamic immune signatures and explore the potential mechanism during HZ progression. Patients and Methods Peripheral blood samples from 31 HZ patients and 32 age-sex-matched healthy controls were collected and analyzed. The protein levels and gene levels of toll-like receptors (TLRs) were detected in peripheral blood mononuclear cells (PBMCs) by flow cytometry and quantitative real-time PCR. Further, the characteristics of T cell subsets and cytokines were detected via a cytometric bead array. Results Compared to healthy controls, the mRNA levels of TLR2, TLR4, TLR7, and TLR9 mRNA in PBMCs were significantly increased in HZ patients. The protein level of TLR4 and TLR7 was significantly increased in HZ patients, but the levels of TLR2 and TLR9 were dramatically decreased. The CD3+ T cells were constant in HZ and healthy controls. CD4+ T cells were decreased in HZ patients, while CD8+ T cells were increased, resulting in an improved CD4+/CD8+ T cells ratio. Further, it was found that Th2 and Th17 were not changed, but the decreased Th1 and upregulated Treg cells were found in HZ. The Th1/Th2 and Th17/Treg ratios were significantly decreased. Last, the levels of IL-6, IL-10, and IFN-γ were significantly increased, but IL-2, IL-4, and IL-17A had no significant changes. Conclusion The dysfunction of host's lymphocytes and activation of TLRs in PBMCs were the important mechanism in varicella-zoster virus induced herpes zoster. TLRs might be the core targets for the therapy drug development in treating HZ.
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Affiliation(s)
- Wei Chen
- Dermatology, Zhejiang Provincial Dermatology Hospital, Huzhou, Zhejiang, People’s Republic of China
| | - Lu Zhu
- Dermatology, Zhejiang Provincial Dermatology Hospital, Huzhou, Zhejiang, People’s Republic of China
| | - Li-Ling Shen
- Dermatology, Zhejiang Provincial Dermatology Hospital, Huzhou, Zhejiang, People’s Republic of China
| | - Shao-Yan Si
- Department of Comprehensive Basic Experiment, Strategic Support Force Medical Center, Bejing, People’s Republic of China
| | - Jun-Lian Liu
- Dermatology, Chui Yang Liu Hospital Affiliated Tsinghua University, Beijing, People’s Republic of China
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Ma KSK, Chin NC, Tu TY, Wu YC, Yip HT, Wei JCC, Chang RI. Human Papillomavirus Infections and Increased Risk of Incident Osteoporosis: A Nationwide Population-Based Cohort Study. Viruses 2023; 15:v15041021. [PMID: 37113002 PMCID: PMC10143035 DOI: 10.3390/v15041021] [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: 12/14/2022] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 04/29/2023] Open
Abstract
Patients with viral infections are susceptible to osteoporosis. This cohort study investigated the correlation between human papillomavirus (HPV) infections and the risk of osteoporosis via 12,936 patients with new-onset HPV infections and propensity score-matched non-HPV controls enrolled in Taiwan. The primary endpoint was incident osteoporosis following HPV infections. Cox proportional hazards regression analysis and the Kaplan-Meier method was used to determine the effect of HPV infections on the risk of osteoporosis. Patients with HPV infections presented with a significantly high risk of osteoporosis (adjusted hazard ratio, aHR = 1.32, 95% CI = 1.06-1.65) after adjusting for sex, age, comorbidities and co-medications. Subgroup analysis provided that populations at risk of HPV-associated osteoporosis were females (aHR = 1.33; 95% CI = 1.04-1.71), those aged between 60 and 80 years (aHR = 1.45, 95% CI = 1.01-2.08 for patients aged 60-70; aHR = 1.51; 95% CI = 1.07-2.12 for patients aged 70-80), and patients with long-term use of glucocorticoids (aHR = 2.17; 95% CI = 1.11-4.22). HPV-infected patients who did not receive treatments for HPV infections were at a greater risk (aHR = 1.40; 95% CI = 1.09-1.80) of osteoporosis, while the risk of osteoporosis in those who received treatments for HPV infections did not reach statistical significance (aHR = 1.14; 95% CI = 0.78-1.66). Patients with HPV infections presented with a high risk of subsequent osteoporosis. Treatments for HPV infections attenuated the risk of HPV-associated osteoporosis.
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Affiliation(s)
- Kevin Sheng-Kai Ma
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
- Center for Global Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Dermatology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Ning-Chien Chin
- Department of Orthopedics, Taichung Veterans General Hospital, Taichung 407, Taiwan
| | - Ting-Yu Tu
- Department of Orthopedics, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
| | - Yao-Cheng Wu
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Hei-Tung Yip
- Management Office for Health Data, China Medical University Hospital, Taichung 404, Taiwan
| | - James Cheng-Chung Wei
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
- Graduate Institute of Integrated Medicine, China Medical University, Taichung 404, Taiwan
- Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Ren-In Chang
- Department of Recreation Sports Management, Tajen University, Pingtung 907, Taiwan
- Department of Emergency Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
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Flores EM, Gouveia FV, Matsumoto M, Bonacif THFS, Kuroki MA, Antunes GF, Campos ACP, Kimachi PP, Campos DO, Simões CM, Sampaio MMC, Andrade FEM, Valverde J, Barros ACSD, Pagano RL, Martinez RCR. One year follow-up on a randomized study investigating serratus anterior muscle and pectoral nerves type I block to reduced neuropathic pain descriptors after mastectomy. Sci Rep 2023; 13:4591. [PMID: 36944694 PMCID: PMC10030852 DOI: 10.1038/s41598-023-31589-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 03/14/2023] [Indexed: 03/23/2023] Open
Abstract
Breast cancer is the second most common diagnosed type of cancer in women. Chronic neuropathic pain after mastectomy occurs frequently and is a serious health problem. In our previous single-center, prospective, randomized controlled clinical study, we demonstrated that the combination of serratus anterior plane block (SAM) and pectoral nerve block type I (PECS I) with general anesthesia reduced acute postoperative pain. The present report describes a prospective follow-up study of this published study to investigate the development of chronic neuropathic pain 12 months after mastectomy by comparing the use of general anesthesia alone and general anesthesia with SAM + PECS I. Additionally, the use of analgesic medication, quality of life, depressive symptoms, and possible correlations between plasma levels of interleukin (IL)-1 beta, IL-6, and IL-10 collected before and 24 h after surgery as predictors of pain and depression were evaluated. The results showed that the use of SAM + PECS I with general anesthesia reduced numbness, hypoesthesia to touch, the incidence of patients with chronic pain in other body regions and depressive symptoms, however, did not significantly reduce the incidence of chronic neuropathic pain after mastectomy. Additionally, there was no difference in the consumption of analgesic medication and quality of life. Furthermore, no correlation was observed between IL-1 beta, IL-6, and IL-10 levels and pain and depression. The combination of general anesthesia with SAM + PECS I reduced the occurrence of specific neuropathic pain descriptors and depressive symptoms. These results could promote the use of SAM + PECS I blocks for the prevention of specific neuropathic pain symptoms after mastectomy.Registration of clinical trial: The Research Ethics Board of the Hospital Sirio-Libanes/Brazil approved the study (CAAE 48721715.0.0000.5461). This study is registered at Registro Brasileiro de Ensaios Clinicos (ReBEC), and ClinicalTrials.gov, Identifier: NCT02647385.
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Affiliation(s)
- Eva M Flores
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
- Anesthesiology Medical Center, Hospital Sirio-Libanes, São Paulo, Brazil
| | - Flavia V Gouveia
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
- Neuroscience and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
| | - Marcio Matsumoto
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
- Anesthesiology Medical Center, Hospital Sirio-Libanes, São Paulo, Brazil
| | | | - Mayra A Kuroki
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
| | | | | | - Pedro P Kimachi
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
- Anesthesiology Medical Center, Hospital Sirio-Libanes, São Paulo, Brazil
| | - Diego O Campos
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
| | - Claudia M Simões
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
- Anesthesiology Medical Center, Hospital Sirio-Libanes, São Paulo, Brazil
| | | | | | - João Valverde
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
- Anesthesiology Medical Center, Hospital Sirio-Libanes, São Paulo, Brazil
| | | | - Rosana L Pagano
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil
| | - Raquel C R Martinez
- Division of Neuroscience, Hospital Sirio-Libanes, São Paulo, Brazil.
- LIM/23, Institute of Psychiatry, University of Sao Paulo School of Medicine, Sao Paulo, Brazil.
- Instituto de Ensino e Pesquisa, Hospital Sirio-Libanes, Rua Professor Daher Cutait, 69, São Paulo, SP, 01308-060, Brazil.
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Isagulyan E, Tkachenko V, Semenov D, Asriyants S, Dorokhov E, Makashova E, Aslakhanova K, Tomskiy A. The Effectiveness of Various Types of Electrical Stimulation of the Spinal Cord for Chronic Pain in Patients with Postherpetic Neuralgia: A Literature Review. Pain Res Manag 2023; 2023:6015680. [PMID: 37007861 PMCID: PMC10065853 DOI: 10.1155/2023/6015680] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 01/31/2023] [Accepted: 02/15/2023] [Indexed: 04/04/2023]
Abstract
Introduction Postherpetic neuralgia (PHN) is a severe condition that remains a challenge to treat. Spinal cord stimulation (SCS) is used in cases of insufficient efficacy of conservative treatment. However, in contrast to many other neuropathic pain syndromes, there is a huge problem in reaching long-term stable pain relief in patients with PHN using conventional tonic SCS. The objective of this article was to present a review of the current management strategies of PHN, their efficacy, and safety. Materials and Methods We searched for articles containing the keywords "spinal cord stimulation AND postherpetic neuralgia," "high-frequency stimulation AND postherpetic neuralgia," "burst stimulation AND postherpetic neuralgia" and "dorsal root ganglion stimulation AND postherpetic neuralgia" in Pubmed, Web of Science, and Scopus databases. The search was limited to human studies published in the English language. There were no publication period limitations. Bibliographies and references of selected publications on neurostimulation for PHN were further manually screened. The full text of each article was studied once the abstract was analyzed by the searching reviewer and found appropriate. The initial search yielded 115 articles. Initial screening based on abstract and title allowed us to exclude 29 articles (letters, editorials, and conference abstracts). The full-text analysis allowed us to exclude another 74 articles (fundamental research articles, research utilizing animal subjects, and systemic and nonsystemic reviews) and results of PHN treatment presented with other conditions, leaving 12 articles for the final bibliography. Results 12 articles reporting on the treatment of 134 patients with PHN were analyzed, with a disproportionally large amount of traditional SCS treatment than that to alternative SCS: DRGS (13 patients), burst SCS (1 patient), and high-frequency SCS (2 patients). Long-term pain relief was achieved in 91 patients (67.9%). The mean VAS score improvement was 61.4% with a mean follow-up time of 12.85 months. Although the number of patients in alternative SCS studies was very limited, almost all of them showed good responses to therapy with more than 50% VAS improvement and reduction of analgesic dosage. The article contains a review analysis of 12 articles concerning the current methods of treatment for postherpetic neuralgia including conservative treatment, spinal cord stimulation, and novel neuromodulation strategies. Available information on the pathophysiology of PHN and the effect or stimulation on its course, together with a number of technical nuances concerning various types of neurostimulation are also elucidated in this article. A number of alternative invasive treatments of PHN are also discussed. Conclusions Spinal cord stimulation is an established treatment option for patients with pharmacologically resistant PHN. High-frequency stimulation, burst stimulation, and dorsal root ganglion stimulation are promising options in the management of PHN due to the absence of paresthesias which can be painful for patients with PHN. But more research is still required to recommend the widespread use of these new methods.
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Affiliation(s)
- Emil Isagulyan
- Burdenko Institute of Neurosurgery, National Medical Research Center for Neurosurgery Named after Academician N. N. Burdenko, 4th Tverskaya-Yamskaya Street 16, Moscow 125047, Russia
| | - Vasily Tkachenko
- Central State Medical Academy of Russian Federation, Marshalla Timoshenko Street, 19, Moscow 121359, Russia
| | - Denis Semenov
- Burdenko Institute of Neurosurgery, National Medical Research Center for Neurosurgery Named after Academician N. N. Burdenko, 4th Tverskaya-Yamskaya Street 16, Moscow 125047, Russia
| | - Svetlana Asriyants
- Burdenko Institute of Neurosurgery, National Medical Research Center for Neurosurgery Named after Academician N. N. Burdenko, 4th Tverskaya-Yamskaya Street 16, Moscow 125047, Russia
| | - Evgeny Dorokhov
- Burdenko Institute of Neurosurgery, National Medical Research Center for Neurosurgery Named after Academician N. N. Burdenko, 4th Tverskaya-Yamskaya Street 16, Moscow 125047, Russia
| | - Elizaveta Makashova
- Burdenko Institute of Neurosurgery, National Medical Research Center for Neurosurgery Named after Academician N. N. Burdenko, 4th Tverskaya-Yamskaya Street 16, Moscow 125047, Russia
| | - Karina Aslakhanova
- Burdenko Institute of Neurosurgery, National Medical Research Center for Neurosurgery Named after Academician N. N. Burdenko, 4th Tverskaya-Yamskaya Street 16, Moscow 125047, Russia
| | - Alexei Tomskiy
- Burdenko Institute of Neurosurgery, National Medical Research Center for Neurosurgery Named after Academician N. N. Burdenko, 4th Tverskaya-Yamskaya Street 16, Moscow 125047, Russia
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12
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Yeh CH, Chang KS, Huang SS, Tsay SL, Tsai JM, Wang YJ. Comparing Prodrugs with Acyclovir for Treating Postherpetic Neuralgia among Herpes Zoster Patients: A Systematic Review and Meta-Analysis. Healthcare (Basel) 2022; 10:healthcare10071181. [PMID: 35885708 PMCID: PMC9322848 DOI: 10.3390/healthcare10071181] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/20/2022] [Accepted: 06/22/2022] [Indexed: 11/16/2022] Open
Abstract
Postherpetic neuralgia (PHN) is a common, painful, and long-term complication of herpes zoster (HZ). PHN increases the demand for healthcare services and, previous studies showed that patients who received antiviral agents were less likely to develop PHN. The objective of this study was to compare the efficacy of prodrugs and acyclovir in treating PHN among patients with HZ. The search included the PubMed, Medline, Embase, and Cochrane Center of Register of Controlled Trails databases through February 2022. Clinical trials and randomized controlled trials (RCTs) involving antiviral agent intervention for HZ patients diagnosed with PHN were eligible for inclusion. A meta-analysis was conducted to calculate pooled risk ratios (RRs) with 95% confidence intervals (CIs) with a fix-effect model. Five RCTs with 1147 HZ patients met our eligibility criteria. Our meta-analysis found that there was a significantly lower risk of PHN for members of the prodrugs group (famciclovir and valaciclovir) compared with those who received acyclovir (RR = 0.86, 95%, CI: 0.75 to 0.98, p = 0.03). The review of studies indicated that the efficacy of prodrugs was better than acyclovir for reliving PHN.
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Affiliation(s)
- Chung-Hsin Yeh
- Department of Neurology, Yuan Rung Hospital, Changhua 510005, Taiwan;
- Department of Nursing, College of Nursing and Health, Da-Yeh University, Changhua 515006, Taiwan; (S.-S.H.); (J.-M.T.); (Y.-J.W.)
| | - Ko-Shih Chang
- Department of Cardiology, Yuan Rung Hospital, Changhua 510005, Taiwan;
| | - Sheng-Shiung Huang
- Department of Nursing, College of Nursing and Health, Da-Yeh University, Changhua 515006, Taiwan; (S.-S.H.); (J.-M.T.); (Y.-J.W.)
| | - Shiow-Luan Tsay
- Department of Nursing, College of Nursing and Health, Da-Yeh University, Changhua 515006, Taiwan; (S.-S.H.); (J.-M.T.); (Y.-J.W.)
- Correspondence: ; Tel.: +886-4-8511888 (ext. 7200)
| | - Jung-Mei Tsai
- Department of Nursing, College of Nursing and Health, Da-Yeh University, Changhua 515006, Taiwan; (S.-S.H.); (J.-M.T.); (Y.-J.W.)
- Department of Nursing, Mackay Memorial Hospital, Taipei 25160, Taiwan
| | - Ya-Jung Wang
- Department of Nursing, College of Nursing and Health, Da-Yeh University, Changhua 515006, Taiwan; (S.-S.H.); (J.-M.T.); (Y.-J.W.)
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Mercan A, Uzun ST, Keles S, Hacibeyoglu G, Yilmaz R, Reisli R. Immunological mechanism of postherpetic neuralgia and effect of pregabalin treatment on the mechanism: a prospective single-arm observational study. Korean J Pain 2021; 34:463-470. [PMID: 34593664 PMCID: PMC8494950 DOI: 10.3344/kjp.2021.34.4.463] [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: 05/13/2021] [Revised: 07/09/2021] [Accepted: 07/09/2021] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Although neuropathic pain is a severe and common pain, its pathophysiology has not been elucidated yet. Studies in recent years have focused on the immune system's role in the pathogenesis of neuropathic pain. The aim of this study was to investigate the role of immunological mechanisms in neuropathic pain and the effect of pregabalin by measuring immunological marker levels in peripheral blood before and after pregabalin treatment in postherpetic neuralgia (PHN) patients with neuropathic pain. METHODS Forty patients diagnosed with PHN were included in the study. CD4, T follicular cells (Tfh: CD4+CXCR5+PD1+), Th17 (CD4+CCR6+ and CD4+IL17A+), regulatory T cells (Treg: CD4+ CD25+foxp3+), Th1 (CD4+ CXCR3+ and CD4+ IFN-γ+) and Th2 (CD4+ IL-4+) cell ratios were measured in peripheral blood samples before treatment and after 3 months of treatment. RESULTS When immunological marker and inflammation parameter levels were compared before and after treatment, the helper T cell ratio (CD3+, CD4+) was 30.28 ± 12.27% before treatment and 34.93 ± 11.70% after treatment, so there was a statistically significant increase (P = 0.028). Th17 was 4.75 ± 5.02% before treatment and 5.80 ± 3.13% after treatment, and there was a statistically significant increase (P = 0.036). CONCLUSIONS Immunological mechanisms play an essential role in the pathogenesis of neuropathic pain, immunologically based treatment approach will be the critical point of treatment.
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Affiliation(s)
- Aysel Mercan
- Department of Anesthesiology and Reanimation, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Sema Tuncer Uzun
- Division of Algology, Department of Anesthesiology and Reanimation, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Sevgi Keles
- Division of Pediatric Allergy and Immunology, Department of Pediatric Health, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Gulcin Hacibeyoglu
- Department of Anesthesiology and Reanimation, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Resul Yilmaz
- Department of Anesthesiology and Reanimation, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Ruhiye Reisli
- Division of Algology, Department of Anesthesiology and Reanimation, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
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Koto S, Umeda M, Kawano H, Endo Y, Shimizu T, Koga T, Ichinose K, Nakamura H, Mukaino A, Higuchi O, Nakane S, Kawakami A. Behçet's Disease with Severe Autonomic Disorders Developing after Herpes Zoster. Intern Med 2020; 59:1099-1104. [PMID: 32009095 PMCID: PMC7205542 DOI: 10.2169/internalmedicine.3954-19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 12/09/2019] [Indexed: 12/12/2022] Open
Abstract
A 58-year-old Japanese woman with herpes zoster developed Behçet's disease (BD) with symptoms including orthostatic intolerance as an autonomic disorder. Multiple immune-suppressive therapies and a β-blocker successfully controlled both the disease activity of BD and the autonomic disorders. A cytokine multiplex analysis of her serum revealed the elevation of proinflammatory cytokines [interleukin (IL)-1, IL-6, IL-12, tumor necrosis factor alfa (TNFα), and interferon gamma (IFN-γ)] and a low IL-10 concentration. IL-10 production is reported to be important for defense against herpes zoster virus (VZV). Insufficient IL-10 production is reported in BD. The reactivation of VZV with this cytokine profile suggests that BD will develop with various symptoms, including severe autonomic disorders.
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Affiliation(s)
- Serina Koto
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
- Department of Rheumatology, Sasebo City General Hospital, Japan
| | - Masataka Umeda
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
- Medical Education Development Center, Nagasaki University Hospital, Japan
| | - Hiroaki Kawano
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Yushiro Endo
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Toshimasa Shimizu
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Tomohiro Koga
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Kunihiro Ichinose
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Hideki Nakamura
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Akihiro Mukaino
- Department of Molecular Neurology and Therapeutics, Kumamoto University Hospital, Japan
| | - Osamu Higuchi
- Department of Clinical Research, Nagasaki Kawatana Medical Center, Japan
| | - Shunya Nakane
- Department of Molecular Neurology and Therapeutics, Kumamoto University Hospital, Japan
| | - Atsushi Kawakami
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan
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15
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Rosamilia LL. Herpes Zoster Presentation, Management, and Prevention: A Modern Case-Based Review. Am J Clin Dermatol 2020; 21:97-107. [PMID: 31741185 DOI: 10.1007/s40257-019-00483-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Herpes zoster (HZ) is a common cutaneous entity with protean clinical presentations, management options, complication rates, and prevention strategies, all of which are rife with dogma. During an inpatient consultation for HZ, have you ever been approached by a frantic staff or family member, worried that a pregnant, elderly, or infant contact will be 'infected' if they get too close? Have your patients ever asked you about their risk of having HZ twice, or claimed that they have frequent 'recurrences'? In what timeline should antiviral therapy be employed? Is there evidence for prednisone or gabapentin in acute HZ treatment? Who should be vaccinated against HZ and what are the benefits and risks? In case-based form, these and other complex but common scenarios will be examined using clinical and viral mechanistic clues, along with updated treatment and prevention guidelines, to provide a modern HZ case management compendium, comprehensive of the diverse age and health populations now presenting with this condition.
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16
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Angst DBM, Pinheiro RO, Vieira JSDS, Cobas RA, Hacker MDAVB, Pitta IJR, Giesel LM, Sarno EN, Jardim MR. Cytokine Levels in Neural Pain in Leprosy. Front Immunol 2020; 11:23. [PMID: 32038662 PMCID: PMC6992577 DOI: 10.3389/fimmu.2020.00023] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 01/07/2020] [Indexed: 12/20/2022] Open
Abstract
Pain is a frequent symptom in leprosy patients. It may be predominantly nociceptive, as in neuritis, or neuropathic, due to injury or nerve dysfunction. The differential diagnosis of these two forms of pain is a challenge in clinical practice, especially because it is quite common for a patient to suffer from both types of pain. A better understanding of cytokine profile may serve as a tool in assessing patients and also help to comprehend pathophysiology of leprosy pain. Patients with leprosy and neural pain (n = 22), neuropathic pain (n = 18), neuritis (nociceptive pain) (n = 4), or no pain (n = 17), further to those with diabetic neuropathy and neuropathic pain (n = 17) were recruited at Souza Araujo Out-Patient Unit (Fiocruz, Rio de Janeiro, RJ, Brazil). Serum levels of IL1β, IL-6, IL-10, IL-17, TNF, CCL-2/MCP-1, IFN-γ, CXCL-10/IP-10, and TGF-β were evaluated in the different Groups. Impairment in thermal or pain sensitivity was the most frequent clinical finding (95.5%) in leprosy neuropathy patients with and without pain, but less frequent in Diabetic Group (88.2%). Previous reactional episodes have occurred in patients in the leprosy and Pain Group (p = 0.027) more often. Analysis of cytokine levels have demonstrated that the concentrations of IL-1β, TNF, TGF-β, and IL-17 in serum samples of patients having leprosy neuropathy in combination with neuropathic or nociceptive pain were higher when compared to the samples of leprosy neuropathy patients without pain. In addition, these cytokine levels were significantly augmented in leprosy patients with neuropathic pain in relation to those with neuropathic pain due to diabetes. IL-1β levels are an independent variable associated with both types of pain in patients with leprosy neuropathy. IL-6 concentration was increased in both groups with pain. Moreover, CCL-2/MCP-1 and CXCL-10/IP-10 levels were higher in patients with diabetic neuropathy over those with leprosy neuropathy. In brief, IL-1β is an independent variable related to neuropathic and nociceptive pain in patients with leprosy, and could be an important biomarker for patient follow-up. IL-6 was higher in both groups with pain (leprosy and diabetic patients), and could be a therapeutic target in pain control.
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Affiliation(s)
- Débora Bartzen Moraes Angst
- Leprosy Laboratory, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
- Postgraduate Program in Neurology of Federal University of Rio de Janeiro State (UNIRIO), Rio de Janeiro, Brazil
| | | | | | - Roberta Arnoldi Cobas
- Endocrinology Discipline of the Faculty of Medical Sciences, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | | | - Izabela Jardim Rodrigues Pitta
- Leprosy Laboratory, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
- Postgraduate Program in Neurology of Federal University of Rio de Janeiro State (UNIRIO), Rio de Janeiro, Brazil
| | - Louise Mara Giesel
- Leprosy Laboratory, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Euzenir Nunes Sarno
- Leprosy Laboratory, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Márcia Rodrigues Jardim
- Leprosy Laboratory, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
- Postgraduate Program in Neurology of Federal University of Rio de Janeiro State (UNIRIO), Rio de Janeiro, Brazil
- Neurology Discipline of the Faculty of Medical Sciences, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
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17
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Zin C, Mizher H, Helal Uddin A, Mohamed A, Ling T, Izzat M. Plasma Concentrations of Pro-inflammatory Cytokine IL-6 and Antiinflammatory Cytokine IL-10 in Short- and Long-term Opioid Users with Noncancer Pain. J Pharm Bioallied Sci 2020; 12:S663-S666. [PMID: 33828357 PMCID: PMC8021053 DOI: 10.4103/jpbs.jpbs_13_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 06/15/2020] [Accepted: 07/11/2020] [Indexed: 11/04/2022] Open
Abstract
Introduction: Objectives: Materials and Methods: Results: Conclusion:
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18
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Khazan M, Nasiri S, Riahi SM, Robati RM, Hedayati M. Measurement of melatonin, indole-dioxygenase, IL-6, IL-18, ferritin, CRP, and total homocysteine levels during herpes zoster. J Med Virol 2019; 92:1253-1259. [PMID: 30977905 DOI: 10.1002/jmv.25484] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 03/17/2019] [Accepted: 04/04/2019] [Indexed: 01/08/2023]
Abstract
The risk of herpes zoster (HZ) increases with age and declining immune function. Increased oxidative stress and inflammatory conditions may cause a negative impact on the immune responses. The present study aimed to assess the levels of oxidative/inflammatory stress biomarkers in HZ patients compared with the controls. This case-control study included 43 HZ patients and 47 age-matched controls. Melatonin (MLT), Indole-dioxygenase (IDO), Interleukin-18 (IL-18), Interleukin-6 (IL-6), ferritin, C-reactive protein (hsCRP), and total homocysteine (tHcy) levels were measured and compared in both groups. The significant high levels of IDO, IL-18, IL-6, ferritin, hsCRP, and tHcy, as well as low levels of MLT were found in HZ patients compared with the controls (P < 0.001); these significant differences were also associated with rash and pain severity (P < 0.001). The final logistic regression model with the area under the curve (0.99; 95% confidence interval [CI], 0.98-1.00) showed the association of HZ with decreased level of MLT (odds ratio [OR], 0.95; 95% CI, 0.92-0.98; P = 0.007) and increased levels of tHcy (OR, 1.53; 95% CI, 1.06-2.19; P = 0.02). The findings showed increased inflammation-associated oxidative stress in HZ patients. Elevated tHcy levels and reduced MLT levels may be associated with the manifestation of HZ. More investigations are required to confirm the results.
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Affiliation(s)
- Marjan Khazan
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soheila Nasiri
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed M Riahi
- Department of Epidemiology and Biostatistics, Social Determinants of Health Research Center, Faculty of Health, Birjand University of Medical Sciences, Birjand, Iran
| | - Reza M Robati
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Hedayati
- Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Abstract
Persistent, in particular neuropathic pain affects millions of people worldwide. However, the response rate of patients to existing analgesic drugs is less than 50%. There are several possibilities to increase this response rate, such as optimization of the pharmacokinetic and pharmacodynamic properties of analgesics. Another promising approach is to use prognostic biomarkers in patients to determine the optimal pharmacological therapy for each individual. Here, we discuss recent efforts to identify plasma and CSF biomarkers, as well as genetic biomarkers and sensory testing, and how these readouts could be exploited for the prediction of a suitable pharmacological treatment. Collectively, the information on single biomarkers may be stored in knowledge bases and processed by machine-learning and related artificial intelligence techniques, resulting in the optimal pharmacological treatment for individual pain patients. We highlight the potential for biomarker-based individualized pain therapies and discuss biomarker reliability and their utility in clinical practice, as well as limitations of this approach.
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20
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Herpes zoster and the risks of osteoporosis and fracture: a nationwide cohort study. Eur J Clin Microbiol Infect Dis 2018; 38:365-372. [PMID: 30460416 DOI: 10.1007/s10096-018-3436-y] [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: 10/04/2018] [Accepted: 11/14/2018] [Indexed: 10/27/2022]
Abstract
This study aimed to investigate the association between herpes zoster (HZ) and the risks of osteoporosis and fracture. We conducted a nationwide retrospective cohort study using the National Health Insurance Research Database of Taiwan. The study enrolled 63,786 patients: 31,893 diagnosed with HZ between 2000 and 2012 were included in the HZ cohort, and 31,893 matched controls without HZ were included in the non-HZ cohort, with 1:1 exact matching for age, sex, and index year. Hazard ratios (HRs) were calculated for the risks of osteoporosis and fracture according to the HZ status using the Cox proportional hazards regression models. During a mean follow-up period of 6.0 years, 5597 and 4639 patients in the HZ and non-HZ cohorts, respectively, developed osteoporosis or fractures (incidence rate: 29.8 vs. 23.8 per 1000 person-years). HZ diagnosis was significantly associated with an elevated risk of developing osteoporosis or fracture (adjusted HR [aHR] = 1.20, p < 0.001). On analyses for each individual event, the HZ cohort had significantly increased risks for all events, including osteoporosis (aHR = 1.32, p < 0.001), hip fracture (aHR = 1.34, p < 0.001), vertebral fracture (aHR = 1.38, p < 0.001), and other fractures (aHR = 1.10, p < 0.001) compared with the non-HZ cohort. Patients with postherpetic neuralgia had especially higher risks of osteoporosis and fracture. Age- and sex-stratified analyses also revealed similar patterns. In conclusion, HZ was independently associated with an increased risk of osteoporosis and fracture. Further studies are required to investigate its underlying mechanisms.
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Kim JY, Park GH, Kim MJ, Sim HB, Lee WJ, Lee SJ, Kim SW, Jeon YH, Jang YH, Kim DW. Usefulness of Inflammatory Markers for the Prediction of Postherpetic Neuralgia in Patients with Acute Herpes Zoster. Ann Dermatol 2018; 30:158-163. [PMID: 29606812 PMCID: PMC5839886 DOI: 10.5021/ad.2018.30.2.158] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 09/01/2017] [Accepted: 09/05/2017] [Indexed: 01/27/2023] Open
Abstract
Background Increasing evidence suggests a pivotal role for neuronal inflammation in response to replicating varicella zoster virus in the development of postherpetic neuralgia (PHN). Objective In this study, we investigated the value of serum levels of various inflammatory markers in acute herpes zoster (HZ) as predictors for the development of PHN. Methods A total of 116 patients with acute HZ were enrolled in this study. We measured scores on the pain visual analogue scale (VAS) at baseline and at 1, 3, and 6 months after diagnosis of HZ. We defined PHN as pain greater than 1 on the VAS lasting for more than 6 months. Serum samples for laboratory assay, including complete blood count were obtained at the initial visit. Correlations between the levels of each inflammatory marker and the development of PHN were evaluated. Results Levels of erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), lymphocyte count, and albumin showed significant correlations with development of PHN in univariate analysis. Levels of ESR, CRP, and lymphocyte count also showed significant correlations in multivariate analysis. ESR level showed stronger correlations with development of PHN than levels of CRP and lymphocyte count. Conclusion In this study, we confirmed that elevated ESR was an independent and significant predictor of PHN in patients with acute HZ. To validate these results, further well-designed, randomized clinical trials are needed.
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Affiliation(s)
- Jun Young Kim
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
| | - Gyeong-Hun Park
- Department of Dermatology, Hallym University, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - Min Ji Kim
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
| | - Hyun Bo Sim
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
| | - Weon Ju Lee
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
| | - Seok-Jong Lee
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
| | - Shin-Woo Kim
- Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
| | - Young Hoon Jeon
- Department of Anesthesiology and Pain Medicine, Kyungpook National University School of Medicine, Daegu, Korea
| | - Yong Hyun Jang
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
| | - Do Won Kim
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
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The Development of Translational Biomarkers as a Tool for Improving the Understanding, Diagnosis and Treatment of Chronic Neuropathic Pain. Mol Neurobiol 2017; 55:2420-2430. [PMID: 28361271 PMCID: PMC5840239 DOI: 10.1007/s12035-017-0492-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 03/14/2017] [Indexed: 12/13/2022]
Abstract
Chronic neuropathic pain (CNP) is one of the most significant unmet clinical needs in modern medicine. Alongside the lack of effective treatments, there is a great deficit in the availability of objective diagnostic methods to reliably facilitate an accurate diagnosis. We therefore aimed to determine the feasibility of a simple diagnostic test by analysing differentially expressed genes in the blood of patients diagnosed with CNP of the lower back and compared to healthy human controls. Refinement of microarray expression data was performed using correlation analysis with 3900 human 2-colour microarray experiments. Selected genes were analysed in the dorsal horn of Sprague-Dawley rats after L5 spinal nerve ligation (SNL), using qRT-PCR and ddPCR, to determine possible associations with pathophysiological mechanisms underpinning CNP and whether they represent translational biomarkers of CNP. We found that of the 15 potential biomarkers identified, tissue inhibitor of matrix metalloproteinase-1 (TIMP1) gene expression was upregulated in chronic neuropathic lower back pain (CNBP) (p = 0.0049) which positively correlated (R = 0.68, p = ≤0.05) with increased plasma TIMP1 levels in this group (p = 0.0433). Moreover, plasma TIMP1 was also significantly upregulated in CNBP than chronic inflammatory lower back pain (p = 0.0272). In the SNL model, upregulation of the Timp1 gene was also observed (p = 0.0058) alongside a strong trend for the upregulation of melanocortin 1 receptor (p = 0.0847). Our data therefore highlights several genes that warrant further investigation, and of these, TIMP1 shows the greatest potential as an accessible and translational CNP biomarker.
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Chen LK, Arai H, Chen LY, Chou MY, Djauzi S, Dong B, Kojima T, Kwon KT, Leong HN, Leung EMF, Liang CK, Liu X, Mathai D, Pan JY, Peng LN, Poblete ERS, Poi PJH, Reid S, Tantawichien T, Won CW. Looking back to move forward: a twenty-year audit of herpes zoster in Asia-Pacific. BMC Infect Dis 2017; 17:213. [PMID: 28298208 PMCID: PMC5353949 DOI: 10.1186/s12879-017-2198-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 01/09/2017] [Indexed: 02/05/2023] Open
Abstract
Background Herpes zoster (HZ) is a prevalent viral disease that inflicts substantial morbidity and associated healthcare and socioeconomic burdens. Current treatments are not fully effective, especially among the most vulnerable patients. Although widely recommended, vaccination against HZ is not routine; barriers in Asia-Pacific include long-standing neglect of adult immunisation and sparse local data. To address knowledge gaps, raise awareness, and disseminate best practice, we reviewed recent data and guidelines on HZ from the Asia-Pacific region. Methods We searched PubMed, Scopus, and World Health Organization databases for articles about HZ published from 1994 to 2014 by authors from Australia, China, Hong Kong, India, Indonesia, Japan, Korea, Malaysia, New Zealand, the Philippines, Singapore, Taiwan, Thailand, and Vietnam. We selected articles about epidemiology, burden, complications, comorbidities, management, prevention, and recommendations/guidelines. Internet searches retrieved additional HZ immunisation guidelines. Results From 4007 retrieved articles, we screened-out 1501 duplicates and excluded 1264 extraneous articles, leaving 1242 unique articles. We found guidelines on adult immunisation from Australia, India, Indonesia, Malaysia, New Zealand, the Philippines, South Korea, and Thailand. HZ epidemiology in Asia-Pacific is similar to elsewhere; incidence rises with age and peaks at around 70 years – lifetime risk is approximately one-third. Average incidence of 3–10/1000 person-years is rising at around 5% per year. The principal risk factors are immunosenescence and immunosuppression. HZ almost always causes pain, and post-herpetic neuralgia is its most common complication. Half or more of hospitalised HZ patients have post-herpetic neuralgia, secondary infections, or inflammatory sequelae that are occasionally fatal. These disease burdens severely diminish patients’ quality of life and incur heavy healthcare utilisation. Conclusions Several countries have abundant data on HZ, but others, especially in South-East Asia, very few. However, Asia-Pacific countries generally lack data on HZ vaccine safety, efficacy and cost-effectiveness. Physicians treating HZ and its complications in Asia-Pacific face familiar challenges but, with a vast aged population, Asia bears a unique and growing burden of disease. Given the strong rationale for prevention, most adult immunisation guidelines include HZ vaccine, yet it remains underused. We urge all stakeholders to give higher priority to adult immunisation in general and HZ in particular. Electronic supplementary material The online version of this article (doi:10.1186/s12879-017-2198-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Liang-Kung Chen
- Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shih-Pai Rd., Taipei, 11217, Taiwan. .,Aging and Health Research Center, National Yang Ming University, Taipei, Taiwan.
| | - Hidenori Arai
- National Center for Geriatrics and Gerontology, 7-340 Morioka-cho, Obu, Aichi, 474-8511, Japan
| | - Liang-Yu Chen
- Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shih-Pai Rd., Taipei, 11217, Taiwan
| | - Ming-Yueh Chou
- Aging and Health Research Center, National Yang Ming University, Taipei, Taiwan.,Center for Geriatrics and Gerontology, Kaohsiung Veterans General Hospital, No. 386 Ta-Chun 1st Rd., Kaohsiung, 81362, Taiwan
| | - Samsuridjal Djauzi
- Department of Internal Medicine, Faculty of Medicine, University of Indonesia, Salemba Raya No. 6, Jakarta, 10430, Indonesia
| | - Birong Dong
- The Center of Gerontology and Geriatrics, West China Medical School/West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Renmin Nan Lu, Chengdu, Sichuan, 610041, China
| | - Taro Kojima
- Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1, Jongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Ki Tae Kwon
- Division of Infectious Diseases, Daegu Fatima Hospital, 99 Ayang-ro, Dong-gu, Daegu, 710-600, Korea
| | - Hoe Nam Leong
- Rophi Clinic, 38 Irrawaddy Rd. #07-54/55, Mount Elizabeth Novena Specialist Centre, Singapore, 329563, Singapore
| | - Edward M F Leung
- Geriatric Medicine Centre (Healthy Ageing), Hong Kong Sanatorium and Hospital, 2 Village Rd. Happy Valley, Hong Kong S.A.R., China
| | - Chih-Kuang Liang
- Aging and Health Research Center, National Yang Ming University, Taipei, Taiwan.,Center for Geriatrics and Gerontology, Kaohsiung Veterans General Hospital, No. 386 Ta-Chun 1st Rd., Kaohsiung, 81362, Taiwan.,Division of Neurology, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Xiaohong Liu
- Division of Geriatrics, Department of Internal Medicine, Peking Union Medical College Hospital, Beijing, 100730, China
| | - Dilip Mathai
- Apollo Institute of Medical Sciences and Research, Apollo Health City Campus, Jubilee Hills, Hyderabad, 500096, India
| | - Jiun Yit Pan
- National Skin Centre, 1 Mandalay Rd., Singapore, 308205, Singapore
| | - Li-Ning Peng
- Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shih-Pai Rd., Taipei, 11217, Taiwan.,Aging and Health Research Center, National Yang Ming University, Taipei, Taiwan
| | - Eduardo Rommel S Poblete
- Geriatric Center, St. Luke's Medical Center, 279 E. Rodriguez Sr. Ave., Quezon City, 1102, Philippines
| | - Philip J H Poi
- Division of Geriatrics, Department of Medicine, University Malaya Medical Centre, Lembah Pantai, 59100, Kuala Lumpur, Malaysia
| | - Stewart Reid
- Ropata Medical Centre, Lower Hutt, 5010, New Zealand
| | - Terapong Tantawichien
- Division of Infectious Diseases, Department of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Chang Won Won
- Department of Family Medicine, College of Medicine, Kyung Hee University, 1 Hoigi-dong, Dongdaemun-gu, Seoul, 130-720, Korea
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el Hayderi L, Colson F, Dezfoulian B, Nikkels AF. Herpes zoster in psoriasis patients undergoing treatment with biological agents: prevalence, impact, and management challenges. PSORIASIS (AUCKLAND, N.Z.) 2016; 6:145-151. [PMID: 29387601 PMCID: PMC5683123 DOI: 10.2147/ptt.s102202] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
As TNF-α is a major factor in the immune defense against herpes zoster (HZ); an increased incidence and severity of HZ cases were suspected in patients undergoing treatment with TNF antagonists. Several studies and clinical experience provided evidence that the incidence of HZ increases by twofold to threefold in this patient category. The number of severe cases of HZ, with multisegmental, disseminated cutaneous, and/or systemic involvement, is also increased. Concerning psoriasis patients under biologicals, the clinician should be more alert for an eventual HZ event, in particular during the first year of biological treatment, and be aware of the possibility of more severe HZ cases. HZ may also undergo an age-shift toward younger patients. Rapid identification of risk factors for severe HZ, such as severe prodromal pains and/or the presence of satellite lesions, is recommended. The treatment recommendations of HZ in this patient group are identical to the recently published guidelines for the management of HZ. The live attenuated viral vaccine OKA/Merck strain anti-HZ vaccination is recommended before initiating biological treatment in psoriasis patients. The new adjuvanted anti-HZ vaccine will probably also benefit patients while on biological treatment.
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Affiliation(s)
- Lara el Hayderi
- Department of Dermatology, CHU du Sart Tilman, University Hospital of Liège, Liège, Belgium
| | - Fany Colson
- Department of Dermatology, CHU du Sart Tilman, University Hospital of Liège, Liège, Belgium
| | - Bita Dezfoulian
- Department of Dermatology, CHU du Sart Tilman, University Hospital of Liège, Liège, Belgium
| | - Arjen F Nikkels
- Department of Dermatology, CHU du Sart Tilman, University Hospital of Liège, Liège, Belgium
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Early application of low-level laser may reduce the incidence of postherpetic neuralgia (PHN). J Am Acad Dermatol 2016; 75:572-577. [PMID: 27543213 DOI: 10.1016/j.jaad.2016.03.050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 02/02/2016] [Accepted: 03/25/2016] [Indexed: 11/21/2022]
Abstract
BACKGROUND Postherpetic neuralgia (PHN) is difficult to treat, and currently there are no available treatments that effectively reduce its incidence. Low-level laser therapy (LLLT) has been proposed for indirect virus deactivation in treating recurrent herpes simplex infections. OBJECTIVE This study seeks to investigate whether LLLT could reduce the incidence of PHN. METHODS We retrospectively reviewed the incidence of PHN at the first, third, and sixth months after rash outbreak in 3 groups: the acute group of patients who received LLLT during the first 5 days; the subacute group of patients who received LLLT during days 6 to 14 of the eruption; and the control group of patients who did not receive LLLT. RESULTS There were 48, 48, and 154 patients in the acute, subacute, and control groups, respectively. After adjusting for confounding factors, including age, sex, and use of famciclovir, the incidence of PHN was significantly lower in the acute group versus the control group after 1 month (odds ratio [OR] 0.21, P = .006, 95% confidence interval [CI] 0.068-0.632), 3 months (OR 0.112, P = .038, 95% CI 0.014-0.886), and 6 months (OR 0.123, P = .021, 95% CI 0-0.606). The subacute group only had a lower incidence (OR 0.187, P = .032, 95% CI 0.041-0.865) after 3 months when compared with the control group. LIMITATIONS This is a retrospective study lacking double-blind randomization, and the placebo effect may be a major concern. Lack of standardized and prospective evaluation measures is also a limitation of this study. CONCLUSION Applying LLLT within the first 5 days of herpes zoster eruption significantly reduced the incidence of PHN. LLLT may have the potential to prevent PHN, but further well-designed randomized controlled trials are required.
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Wu CH, Chai CY, Tung YC, Lu YY, Su YF, Tsai TH, Tzou RD, Lin CL. Herpes zoster as a risk factor for osteoporosis: A 15-year nationwide population-based study. Medicine (Baltimore) 2016; 95:e3943. [PMID: 27336887 PMCID: PMC4998325 DOI: 10.1097/md.0000000000003943] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The objective of this study was to investigate the risk of osteoporosis in patients with herpes zoster (HZ) infection using a nationwide population-based dataset. The Taiwan National Health Insurance Research Database was used to compare data between 11,088 patients aged 20 to 49 years diagnosed with HZ during 1996 to 2010 and a control group of 11,088 patients without HZ. Both cohorts were followed up until the end of 2010 to measure the incidence of osteoporosis. Cox proportional-hazards regression and Kaplan-Meier analyses were used to calculate hazard ratio and cumulative incidences of osteoporosis, respectively. The overall risk of osteoporosis was 4.55 times greater in the HZ group than in the control group (2.48 vs. 0.30 per 1000 person-years, respectively) after adjusting for age, gender, Charlson Comorbidity Index, and related comorbidities. Compared with controls, patients with HZ and subsequent postherpetic neuralgia had a 4.76-fold higher likelihood of developing osteoporosis (95% confidence interval: 2.44-9.29), which was a statistically significant difference (P <0.001). Osteoporosis risk factors included female gender, age, advanced Charlson Comorbidity Index, depression, and postherpetic neuralgia. This study identified HZ is associated with an increased osteoporosis risk. Further evaluation of the value of bone mineral density test in detecting osteoporosis after HZ may be suggested. HZ vaccination could also be evaluated to lower the incidence of HZ and possibly subsequent osteoporosis. Physicians should be alerted to this association to improve early identification of osteoporosis in patients with HZ.
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Affiliation(s)
- Chieh-Hsin Wu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University
- Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University
| | - Chee-Yin Chai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung Medical University
- Department of Pathology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University
- Institute of Biomedical Sciences, National Sun Yat-Sen University
| | - Yi-Ching Tung
- Department of Public Health and Environmental Medicine, College of Medicine, Kaohsiung Medical University
| | - Ying-Yi Lu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University
- Department of Dermatology, Kaohsiung Veterans General Hospital
- Cosmetic Applications and Management Department, Yuh-Ing Junior College of Health Care and Management
| | - Yu-Feng Su
- Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University
| | - Tai-Hsin Tsai
- Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University
| | - Rong-Dar Tzou
- Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University
| | - Chih-Lung Lin
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University
- Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University
- Department of Neurosurgery, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Bäckryd E, Ghafouri B, Larsson B, Gerdle B. Plasma pro-inflammatory markers in chronic neuropathic pain: A multivariate, comparative, cross-sectional pilot study. Scand J Pain 2016; 10:1-5. [PMID: 28361755 DOI: 10.1016/j.sjpain.2015.06.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 06/24/2015] [Accepted: 06/26/2015] [Indexed: 11/20/2022]
Abstract
BACKGROUND Caused by a lesion or disease of the somatosensory system, neuropathic pain is notoriously difficult to treat with conventional analgesics. It has been suggested that inflammatory cytokines play a role in the development and maintenance of neuropathic pain. But human studies of these substances are relatively few and partly contradictory. OBJECTIVES To simultaneously investigate the plasma levels of chemokine interleukin 8 (IL-8) and the cytokines IL-6, IL-1β, and Granulocyte macrophage colony-stimulating factor (GM-CSF) in patients with peripheral neuropathic pain (most of whom due to failed back surgery syndrome) (n=14) compared to controls (n=17). RESULTS IL-6 was significantly higher in patients than in controls (0.92±0.12pg/ml vs. 0.57±0.08pg/ml, p=0.012). IL-1β, IL-8, and GM-CSF levels did not differ between the two groups. A multivariate analysis showed a tendency for patients also to have higher GM-CSF plasma levels than controls. CONCLUSIONS This study found an increased level of IL-6 in plasma in patients with neuropathic pain, but not for the other pro-inflammatory substances investigated. There are several possible confounders not registered or controlled for in this and other studies of neuropathic pain. IMPLICATIONS Larger studies that take several possible confounders into consideration are needed to further investigate the levels of plasma cytokines in different pain conditions.
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Affiliation(s)
- Emmanuel Bäckryd
- Division of Community Medicine, Department of Medical and Health Sciences, Faculty of Health Sciences, Linköping University,LinköpingSweden
- Pain and Rehabilitation Centre, Anaesthetics, Operations and Specialty Surgery Centre, Region Östergötland, Sweden
| | - Bijar Ghafouri
- Division of Community Medicine, Department of Medical and Health Sciences, Faculty of Health Sciences, Linköping University,LinköpingSweden
- Pain and Rehabilitation Centre, Anaesthetics, Operations and Specialty Surgery Centre, Region Östergötland, Sweden
| | - Britt Larsson
- Division of Community Medicine, Department of Medical and Health Sciences, Faculty of Health Sciences, Linköping University,LinköpingSweden
- Pain and Rehabilitation Centre, Anaesthetics, Operations and Specialty Surgery Centre, Region Östergötland, Sweden
| | - Björn Gerdle
- Division of Community Medicine, Department of Medical and Health Sciences, Faculty of Health Sciences, Linköping University,LinköpingSweden
- Pain and Rehabilitation Centre, Anaesthetics, Operations and Specialty Surgery Centre, Region Östergötland, Sweden
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Bäckryd E. Pain in the Blood? Envisioning Mechanism-Based Diagnoses and Biomarkers in Clinical Pain Medicine. Diagnostics (Basel) 2015; 5:84-95. [PMID: 26854144 PMCID: PMC4665549 DOI: 10.3390/diagnostics5010084] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Revised: 03/08/2015] [Accepted: 03/09/2015] [Indexed: 01/08/2023] Open
Abstract
Chronic pain is highly prevalent, and pain medicine lacks objective biomarkers to guide diagnosis and choice of treatment. The current U.S. “opioid epidemic” is a reminder of the paucity of effective and safe treatment options. Traditional pain diagnoses according to the International Classification of Diseases are often unspecific, and analgesics are often prescribed on a trial-and-error basis. In contrast to this current state of affairs, the vision of future mechanism-based diagnoses of chronic pain conditions is presented in this non-technical paper, focusing on the need for biomarkers and the theoretical complexity of the task. Pain is and will remain a subjective experience, and as such is not objectively measurable. Therefore, the concept of “noci-marker” is presented as an alternative to “pain biomarker”, the goal being to find objective, measurable correlates of the pathophysiological processes involved in different chronic pain conditions. This vision entails a call for more translational pain research in order to bridge the gap between clinical pain medicine and preclinical science.
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Affiliation(s)
- Emmanuel Bäckryd
- Division of Community Medicine, Department of Medical and Health Sciences, Faculty of Health Sciences, Linköping University, SE-581 85 Linköping, Sweden.
- Pain and Rehabilitation Centre, Anaesthetics, Operations and Specialty Surgery Centre, Region Östergötland, SE-581 85 Linköping, Sweden.
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Üçeyler N, Valet M, Kafke W, Tölle TR, Sommer C. Local and systemic cytokine expression in patients with postherpetic neuralgia. PLoS One 2014; 9:e105269. [PMID: 25127283 PMCID: PMC4134309 DOI: 10.1371/journal.pone.0105269] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Accepted: 07/17/2014] [Indexed: 01/06/2023] Open
Abstract
Background Postherpetic neuralgia (PHN) is the painful complication of a varicella zoster virus reactivation. We investigated the systemic and local gene expression of pro- and anti-inflammatory cytokine expression in patients with PHN. Methods Thirteen patients with PHN at the torso (Th4-S1) were recruited. Skin punch biopsies were obtained from the painful and the contralateral painless body area for intraepidermal nerve fiber density (IENFD) and cytokine profiling. Additionally, blood was withdrawn for systemic cytokine expression and compared to blood values of healthy controls. We analyzed the gene expression of selected pro- and anti-inflammatory cytokines (tumor necrosis factor-alpha [TNF] and interleukins [IL]-1β, IL-2, and IL-8). Results IENFD was lower in affected skin compared to unaffected skin (p<0.05), while local gene expression of pro- and anti-inflammatory cytokines did not differ except for two patients who had 7fold higher IL-6 and 10fold higher IL-10 gene expression in the affected skin compared to the contralateral unaffected skin sample. Also, the systemic expression of cytokines in patients with PHN and in healthy controls was similar. Conclusion While the systemic and local expression of the investigated pro- and anti-inflammatory cytokines was not different from controls, this may have been influenced by study limitations like the low number of patients and different disease durations. Furthermore, other cytokines or pain mediators need to be considered.
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Affiliation(s)
- Nurcan Üçeyler
- Department of Neurology, University of Würzburg, Würzburg, Germany
- * E-mail:
| | - Michael Valet
- Department of Neurology, Klinikum rechts der Isar, Technische Universität München, München, Germany
| | - Waldemar Kafke
- Department of Neurology, University of Würzburg, Würzburg, Germany
| | - Thomas R. Tölle
- Department of Neurology, Klinikum rechts der Isar, Technische Universität München, München, Germany
| | - Claudia Sommer
- Department of Neurology, University of Würzburg, Würzburg, Germany
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Wu PY, Lin CL, Sung FC, Chou TC, Lee YT. Increased risk of cardiovascular events in patients with herpes zoster: A population-based study. J Med Virol 2014; 86:772-7. [PMID: 24482346 DOI: 10.1002/jmv.23892] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Po-yuan Wu
- Department of Dermatology; China Medical University Hospital; Taichung Taiwan
- School of Medicine; China Medical University; Taichung Taiwan
- Department of Public Health; China Medical University; Taichung Taiwan
| | - Cheng-Li Lin
- Department of Public Health; China Medical University; Taichung Taiwan
- Management Office for Health Data; China Medical University Hospital; Taichung Taiwan
| | - Fung-Chang Sung
- Department of Public Health; China Medical University; Taichung Taiwan
- Management Office for Health Data; China Medical University Hospital; Taichung Taiwan
| | - Tzu-Chieh Chou
- Department of Public Health; China Medical University; Taichung Taiwan
- Department of Health Risk Management, College Management; China Medical University; Taichung Taiwan
| | - Yuan-Teh Lee
- Division of Cardiology; China Medical University Hospital; Taichung Taiwan
- Division of Cardiology; National Taiwan University Hospital; Taipei Taiwan
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Tontodonati M, Ursini T, Polilli E, Vadini F, Di Masi F, Volpone D, Parruti G. Post-herpetic neuralgia. Int J Gen Med 2012; 5:861-71. [PMID: 23109810 PMCID: PMC3479946 DOI: 10.2147/ijgm.s10371] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background In spite of the large body of evidence available in the literature, definition and treatment of Post-Herpetic Neuralgia (PHN) are still lacking a consistent and universally recognized standardization. Furthermore, many issues concerning diagnosis, prediction and prevention of PHN need to be clarified in view of recent contributions. Objectives To assess whether PHN may be better defined, predicted, treated and prevented in light of recent data, and whether available alternative or adjunctive therapies may improve pain relief in treatment recalcitrant PHN. Methods Systematic reviews, meta-analyses, randomized controlled trials, cohort studies and protocols were searched; the search sources included PubMed, Cochrane Library, NICE, and DARE. More than 130 papers were selected and evaluated. Results Diagnosis of PHN is essentially clinical, but it can be improved by resorting to the many tools available, including some practical and accessible questionnaires. Prediction of PHN can be now much more accurate, taking into consideration a few well validated clinical and anamnestic variables. Treatment of PHN is presently based on a well characterized array of drugs and drug associations, including, among others, tricyclic antidepressants, gabapentinoids, opioids and many topical formulations. It is still unsatisfactory, however, in a substantial proportion of patients, especially those with many comorbidities and intense pain at herpes zoster (HZ) presentation, so that this frequent complication of HZ still strongly impacts on the quality of life of affected patients. Conclusion Further efforts are needed to improve the management of PHN. Potentially relevant interventions may include early antiviral therapy of acute HZ, prevention of HZ by adult vaccination, as well as new therapeutic approaches for patients experiencing PHN.
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Javed S, Kamili QUA, Mendoza N, Tyring SK. Possible association of lower rate of postherpetic neuralgia in patients on anti-tumor necrosis factor-α. J Med Virol 2012; 83:2051-5. [PMID: 21915882 DOI: 10.1002/jmv.22182] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Recently, a study of patients with rheumatoid arthritis who developed herpes zoster while taking a tumor necrosis factor (TNF)-α inhibitor reported a decreased incidence of postherpetic neuralgia. The objective of this study was to investigate whether patients on TNF-α inhibitors who developed herpes zoster have a lower incidence of subsequent development of postherpetic neuralgia. A retrospective review of herpes zoster patients on TNF-α inhibitors (infliximab, etanercept, or adalimumab) was conducted in 12 dermatology clinics. Medical records of such patients were reviewed thoroughly to confirm herpes zoster and TNF-α inhibitors and any subsequent development of postherpetic neuralgia (pain score ≥ 3 out of 10 after 90 days of shingles onset) was noted. A total of 206 cases were reviewed, of which only 2 cases (<1%) developed postherpetic neuralgia, a considerably lower incidence rate than noted in the literature. Increasing age is a known risk factor in the development of postherpetic neuralgia. However, of the 58 (28.1%) cases ≥ 70 years of age, only 1 patient (1.7%) developed neuralgia compared to approximately 50% of patients who develop postherpetic neuralgia in this age group as reported in the literature. Treatment with TNF-α inhibitors may be associated with a lower incidence of postherpetic neuralgia but further prospective large-scale studies are needed to confirm this data.
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Affiliation(s)
- Saba Javed
- University of Texas Medical School at Houston, Houston, Texas, USA.
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Zhang M, Wu N, Yang L, Zhang J, Sun X, Zhong S, Ma X, Wang Y. Study on the T-helper cell 1/2 cytokine profile in blister fluid of patients with herpes zoster and its clinical significance. J Dermatol 2011; 38:1158-62. [PMID: 21954956 DOI: 10.1111/j.1346-8138.2011.01289.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Herpes zoster (HZ) is a Varicella zoster virus infection disease. Previous studies have presumed the connection between development of HZ and involvement of cellular immunity in peripheral blood. However, whether cellular immunity plays a role in the local skin lesion has not been addressed. To explore the levels of T-helper cell (Th)1/Th2 type cytokine profiles in the blister fluid of the skin lesions from the patients with HZ and its role in pathogenesis, we used the cytometric bead array kit to compare the levels of cytokines (interleukin [IL]-2, tumor necrosis factor [TNF]-α, IL-10 and IL-4) in blister fluid from 46 patients with those from the suction blister fluids from 20 volunteers without any infectious disease (the control group). The results indicated that the levels of Th1 cytokines, IL-2 and TNF-α in the blister fluid from the patients' skin lesions were significantly lower than those from the control group, whereas the levels of Th2 cytokines IL-10 and IL-4 were significantly higher than those in the control group. Moreover, significant variation of the levels of Th1/Th2 cytokines (IL-2, TNF-α, IL-10 and IL-4) in the blister fluid from the HZ patients' lesions was also observed among different stages of the disease. It is concluded that a cytokine imbalance was present in the local lesions of patients with HZ during disease development. Our data suggested that the Th immunity was associated with disease activity, which may play an important role in the pathogenesis of HZ.
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Affiliation(s)
- Meifang Zhang
- Department of Dermatology, The Third Affiliated Hospital of the School of Medicine Xi'an Jiaotong University, Xi'an, 710068, China.
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Nour AM, Reichelt M, Ku CC, Ho MY, Heineman TC, Arvin AM. Varicella-zoster virus infection triggers formation of an interleukin-1β (IL-1β)-processing inflammasome complex. J Biol Chem 2011; 286:17921-33. [PMID: 21385879 PMCID: PMC3093867 DOI: 10.1074/jbc.m110.210575] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Innate cellular immunity is the immediate host response against pathogens, and activation of innate immunity also modulates the induction of adaptive immunity. The nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs) are a family of intracellular receptors that recognize conserved patterns associated with intracellular pathogens, but information about their role in the host defense against DNA viruses is limited. Here we report that varicella-zoster virus (VZV), an alphaherpesvirus that is the causative agent of varicella and herpes zoster, induces formation of the NLRP3 inflammasome and the associated processing of the proinflammatory cytokine IL-1β by activated caspase-1 in infected cells. NLRP3 inflammasome formation was induced in VZV-infected human THP-1 cells, which are a transformed monocyte cell line, primary lung fibroblasts, and melanoma cells. Absent in melanoma gene-2 (AIM2) is an interferon-inducible protein that can form an alternative inflammasome complex with caspase-1 in virus-infected cells. Experiments in VZV-infected melanoma cells showed that NLRP3 protein recruits the adaptor protein ASC and caspase-1 to form an NLRP3 inflammasome complex independent of AIM2 protein and in the absence of free radical reactive oxygen species release. NLRP3 was also expressed extensively in infected skin xenografts in the severe combined immunodeficiency mouse model of VZV pathogenesis in vivo. We conclude that NLRP3 inflammasome formation is an innate cellular response to infection with this common pathogenic human herpesvirus.
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Affiliation(s)
- Adel M Nour
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California 94305, USA.
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ROUX CHRISTIAN, BREUIL VERONIQUE, ALBERT CHRISTINE, ALLAM VACINE, GRISOT CHRISTIAN, CHAMI HASNA, DASILVA VIRGINIE, EULLER-ZIEGLER LIANNA. Ophthalmic Herpes Zoster Infection in Patients with Rheumatoid Arthritis Who Were Treated with Tocilizumab. J Rheumatol 2011; 38:399. [DOI: 10.3899/jrheum.100737] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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