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Sangeetha Vijayan P, Xavier J, Valappil MP. A review of immune modulators and immunotherapy in infectious diseases. Mol Cell Biochem 2023:10.1007/s11010-023-04825-w. [PMID: 37682390 DOI: 10.1007/s11010-023-04825-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 08/05/2023] [Indexed: 09/09/2023]
Abstract
The human immune system responds to harmful foreign invaders frequently encountered by the body and employs defense mechanisms to counteract such assaults. Various exogenous and endogenous factors play a prominent role in maintaining the balanced functioning of the immune system, which can result in immune suppression or immune stimulation. With the advent of different immune-modulatory agents, immune responses can be modulated or regulated to control infections and other health effects. Literature provides evidence on various immunomodulators from different sources and their role in modulating immune responses. Due to the limited efficacy of current drugs and the rise in drug resistance, there is a growing need for new therapies for infectious diseases. In this review, we aim to provide a comprehensive overview of different immune-modulating agents and immune therapies specifically focused on viral infectious diseases.
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Affiliation(s)
- P Sangeetha Vijayan
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology [Govt. of India], Thiruvananthapuram, 695 012, Kerala, India
| | - Joseph Xavier
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology [Govt. of India], Thiruvananthapuram, 695 012, Kerala, India
| | - Mohanan Parayanthala Valappil
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology [Govt. of India], Thiruvananthapuram, 695 012, Kerala, India.
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Wen J, Creaven D, Luan X, Wang J. Comparison of immunotherapy mediated by apoptotic bodies, microvesicles and exosomes: apoptotic bodies' unique anti-inflammatory potential. J Transl Med 2023; 21:478. [PMID: 37461033 DOI: 10.1186/s12967-023-04342-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023] Open
Abstract
Immunotherapy, including immunostimulation and immunosuppression, has seen significant development in the last 10 years. Immunostimulation has been verified as effective in anti-cancer treatment, while immunosuppression is used in the treatment of autoimmune disease and inflammation. Currently, with the update of newly-invented simplified isolation methods and the findings of potent triggered immune responses, extracellular vesicle-based immunotherapy is very eye-catching. However, the research on three main types of extracellular vesicles, exosomes, microvesicles and apoptotic bodies, needs to be more balanced. These three subtypes share a certain level of similarity, and at the same time, they have their own properties caused by the different methods of biogensis. Herein, we summarized respectively the status of immunotherapy based on each kind of vesicle and discuss the possible involved mechanisms. In conclusion, we highlighted that the effect of the apoptotic body is clear and strong. Apoptotic bodies have an excellent potential in immunosuppressive and anti-inflammatory therapies .
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Affiliation(s)
- Jing Wen
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, China
| | - Dale Creaven
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, University of Galway, Galway, Ireland
| | - Xiangshu Luan
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Jiemin Wang
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, University of Galway, Galway, Ireland.
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Singh R, Goel S, Bourgeade P, Aleya L, Tewari D. Ayurveda Rasayana as antivirals and immunomodulators: potential applications in COVID-19. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:55925-55951. [PMID: 34491498 PMCID: PMC8422837 DOI: 10.1007/s11356-021-16280-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 08/27/2021] [Indexed: 05/08/2023]
Abstract
Coronavirus disease (COVID-19) has been declared as a pandemic by the World Health Organization with rapid spread across 216 countries. COVID-19 pandemic has left its imprints on various health systems globally and caused immense social and economic disruptions. The scientific community across the globe is in a quest for digging the effective treatment for COVID-19 and exploring potential leads from traditional systems of healthcare across the world too. Ayurveda (Indian traditional system of medicine) has a comprehensive aspect of immunity through Rasayana which is a rejuvenation therapy. Here we attempt to generate the potential leads based on the classical text from Ayurveda in general and Rasayana in particular to develop effective antiviral and/or immunomodulator for potential or adjunct therapy in SARS-CoV-2. The Rasayana acts not only by resisting body to restrain or withstand the strength, severity or progression of a disease but also by promoting power of the body to prevent the manifestation of a disease. These Rasayana herbs are common in practice as immunomodulator, antiviral and protectives. The studies on Rasayana can provide an insight into the future course of research for the plausible development of effective management of COVID-19 by the utilization and development of various traditional systems of healthcare. Keeping in view the current pandemic situation, there is an urgent need of developing potential medicines. This study proposes certain prominent medicinal plants which may be further studied for drug development process and also in clinical setup under repurposing of these herbs.
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Affiliation(s)
- Rajeshwari Singh
- Central Council for Research in Ayurvedic Sciences, Ministry of AYUSH, Government of India, Janakpuri, New Delhi, 110058, India
| | - Sumeet Goel
- Central Council for Research in Ayurvedic Sciences, Ministry of AYUSH, Government of India, Janakpuri, New Delhi, 110058, India
| | - Pascale Bourgeade
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, F-25030, Besançon Cedex, France
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, F-25030, Besançon Cedex, France.
| | - Devesh Tewari
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India.
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Abstract
Passive immunotherapy for established infections, as opposed to active immunization to prevent disease, remains a tiny niche in the world of antimicrobial therapies. Many of the passive immunotherapies currently available are directed against bacterial toxins, such as botulism, or are intended for agents of bioterrorism such as anthrax, which fortunately has remained rare. The emergence of Ebola virus and multi-drug resistant pathogens, however, may breathe new life into the immunotherapy field as researchers seek non-antibiotic interventions for infectious diseases.
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Affiliation(s)
- Akshay Manohar
- a Division of Infectious Diseases , University at Buffalo , Buffalo , NY 14215 , USA
| | - Jasmine Ahuja
- a Division of Infectious Diseases , University at Buffalo , Buffalo , NY 14215 , USA
| | - John K Crane
- a Division of Infectious Diseases , University at Buffalo , Buffalo , NY 14215 , USA
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Lee EJ, Cha GW, Ju YR, Han MG, Lee WJ, Jeong YE. Prevalence of Neutralizing Antibodies to Japanese Encephalitis Virus among High-Risk Age Groups in South Korea, 2010. PLoS One 2016; 11:e0147841. [PMID: 26807709 PMCID: PMC4725746 DOI: 10.1371/journal.pone.0147841] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2015] [Accepted: 01/08/2016] [Indexed: 11/30/2022] Open
Abstract
After an extensive vaccination policy, Japanese encephalitis (JE) was nearly eliminated since the mid-1980s in South Korea. Vaccination in children shifted the affected age of JE patients from children to adults. However, an abrupt increase in JE cases occurred in 2010, and this trend has continued. The present study aimed to investigate the prevalence of neutralizing antibodies to the JE virus (JEV) among high-risk age groups (≥40 years) in South Korea. A plaque reduction neutralization test was conducted to evaluate the prevalence of neutralizing antibodies to JEV in 945 subjects within four age groups (30–39, 40–49, 50–59, and 60–69 years) in 10 provinces. Of the 945 enrolled subjects, 927 (98.1%) exhibited antibodies against JEV. No significant differences were found in the prevalence of neutralizing antibodies according to sex, age, or occupation. However, there were significant differences in the plaque reduction rate according to age and occupation; oldest age group had a higher reduction rate, and subjects who were employed in agriculture or forestry also had a higher value than the other occupations. We also found that three provinces (Gangwon, Jeonnam, and Gyeongnam) had a relatively lower plaque reduction rate than the other locations. In addition, enzyme-linked immunosorbent assays were conducted to determine recent viral infections and 12 (2.2%) subjects were found to have been recently infected by the virus. In conclusion, the present study clearly indicated that the prevalence of neutralizing antibodies has been maintained at very high levels among adult age groups owing to vaccination or natural infections, or both. In the future, serosurveillance should be conducted periodically using more representative samples to better understand the population-level immunity to JE in South Korea.
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Affiliation(s)
- Eun Ju Lee
- Division of Arboviruses, National Institute of Health, Korea Centers for Disease Control and Prevention, Cheongju-si, Chungcheongbuk-do, Korea
- Japanese Encephalitis Regional Reference Laboratory for the WHO Western Pacific Region, Cheongju-si, Chungcheongbuk-do, Korea
| | - Go-Woon Cha
- Division of Arboviruses, National Institute of Health, Korea Centers for Disease Control and Prevention, Cheongju-si, Chungcheongbuk-do, Korea
- Japanese Encephalitis Regional Reference Laboratory for the WHO Western Pacific Region, Cheongju-si, Chungcheongbuk-do, Korea
| | - Young Ran Ju
- Division of Arboviruses, National Institute of Health, Korea Centers for Disease Control and Prevention, Cheongju-si, Chungcheongbuk-do, Korea
- Japanese Encephalitis Regional Reference Laboratory for the WHO Western Pacific Region, Cheongju-si, Chungcheongbuk-do, Korea
| | - Myung Guk Han
- Division of Arboviruses, National Institute of Health, Korea Centers for Disease Control and Prevention, Cheongju-si, Chungcheongbuk-do, Korea
- Japanese Encephalitis Regional Reference Laboratory for the WHO Western Pacific Region, Cheongju-si, Chungcheongbuk-do, Korea
| | - Won-Ja Lee
- Division of Arboviruses, National Institute of Health, Korea Centers for Disease Control and Prevention, Cheongju-si, Chungcheongbuk-do, Korea
- Japanese Encephalitis Regional Reference Laboratory for the WHO Western Pacific Region, Cheongju-si, Chungcheongbuk-do, Korea
| | - Young Eui Jeong
- Division of Arboviruses, National Institute of Health, Korea Centers for Disease Control and Prevention, Cheongju-si, Chungcheongbuk-do, Korea
- Japanese Encephalitis Regional Reference Laboratory for the WHO Western Pacific Region, Cheongju-si, Chungcheongbuk-do, Korea
- Department of Biomedical Sciences, Graduate School of Hallym University, Chuncheon-si, Gangwon-do, Korea
- * E-mail:
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