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Ying C, Zhang L, Jin X, Zhu D, Wu W. Advances in diagnosis and treatment of non-tuberculous mycobacterial lung disease. Diagn Microbiol Infect Dis 2024; 109:116254. [PMID: 38492490 DOI: 10.1016/j.diagmicrobio.2024.116254] [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: 12/20/2023] [Revised: 03/09/2024] [Accepted: 03/11/2024] [Indexed: 03/18/2024]
Abstract
The prevalence of Non-tuberculous Mycobacterial Pulmonary Disease (NTM-PD) is increasing worldwide. The advancement in molecular diagnostic technology has greatly promoted the rapid diagnosis of NTM-PD clinically, and the pathogenic strains can be identified to the species level through molecular typing, which provides a reliable basis for treatment. In addition to the well-known PCR and mNGS methods, there are numerous alternative methods to identify NTM to the species level. The treatment of NTM-PD remains a challenging problem. Although clinical guidelines outline several treatment options for common NTM species infections, in most cases, the therapeutic outcomes of these drugs for NTM-PD often fall short of expectations. At present, the focus of research is to find more effective and more tolerable NTM-PD therapeutic drugs and regimens. In this paper, the latest diagnostic techniques, therapeutic drugs and methods, and prevention of NTM-PD are reviewed.
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Affiliation(s)
- Chiqing Ying
- Department of Respiratory Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China
| | - Lvjun Zhang
- Department of Respiratory Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China
| | - Xuehang Jin
- Department of Respiratory Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China
| | - Dan Zhu
- Department of Respiratory Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China.
| | - Wei Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China.
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Umar TP, Jain N, Stevanny B, Javed B, Priandhana A, Siburian R, Kostiks A. Protective role of Bacillus Calmette-Guérin vaccine in Alzheimer's disease progression: A systematic review and meta-analysis. Heliyon 2024; 10:e27425. [PMID: 38495158 PMCID: PMC10943379 DOI: 10.1016/j.heliyon.2024.e27425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 03/19/2024] Open
Abstract
Introduction: Alzheimer's disease (AD) represents a significant societal challenge, highlighting the need to explore effective prevention and treatment approaches. Recent literature has suggested that Bacillus Calmette-Guérin (BCG) vaccine may be a viable therapeutic option for immune disorders associated with AD due to its immunomodulatory properties and protection against various diseases. Methods This systematic review aimed to evaluate the association of BCG vaccine in the prevention of AD using six medical-scientific databases. A meta-analytical approach was undertaken to estimate the risk of AD incidence in patients with and without BCG vaccine exposure, followed by subgroup analyses. A risk of bias (RoB) assessment was performed using the Newcastle-Ottawa Scale (NOS). Results Six cohort studies meeting our inclusion criteria were included (47,947 participants) in the study. From our meta-analysis, intravesical BCG vaccine administration lowered the risk of incidence of AD by 26% in non-muscle-invasive bladder cancer (p < 0.00001). Subgroup analyses showed that BCG vaccination showed a potentially notable preventive effect on AD in older adults (>75 years) and female participants. Conversely, significant heterogeneity in results was observed among male participants and those aged <75 years. The RoB was low in three studies and unclear in the remaining studies. Conclusions Although our results support the potential benefits of BCG vaccine in preventing AD in specific demographics, we remain cautious about interpreting such results. Further research examining the implications of BCG vaccination for prevention and possible treatment of AD should be undertaken in the future.
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Affiliation(s)
- Tungki Pratama Umar
- Division of Surgery and Interventional Science, Faculty of Medicine, University College London, London, UK
| | - Nityanand Jain
- Faculty of Medicine, Riga Stradinš University, Riga, LV 1007, Latvia
| | - Bella Stevanny
- Faculty of Medicine, Universitas Sriwijaya, Palembang, Indonesia
| | - Binish Javed
- Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | | | | | - Andrejs Kostiks
- Department of Neurology, Riga East Clinical University Hospital, Riga, Latvia
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Aitken JM, Aitken JE, Agrawal G. Mycobacterium avium ssp. paratuberculosis and Crohn's Disease-Diagnostic Microbiological Investigations Can Inform New Therapeutic Approaches. Antibiotics (Basel) 2024; 13:158. [PMID: 38391544 PMCID: PMC10886072 DOI: 10.3390/antibiotics13020158] [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: 12/04/2023] [Revised: 01/24/2024] [Accepted: 02/03/2024] [Indexed: 02/24/2024] Open
Abstract
Mycobacterium avium ssp. paratuberculosis (MAP) is the cause of Johne's disease (JD), which is a chronic infectious gastrointestinal disease of ruminants and is often fatal. In humans, MAP has been associated with Crohn's disease (CD) for over a century, without conclusive evidence of pathogenicity. Numerous researchers have contributed to the subject, but there is still a need for evidence of the causation of CD by MAP. An infectious aetiology in CD that is attributable to MAP can only be proven by bacteriological investigations. There is an urgency in resolving this question due to the rising global incidence rates of CD. Recent papers have indicated the "therapeutic ceiling" may be close in the development of new biologics. Clinical trial outcomes have demonstrated mild or inconsistent improvements in therapeutic interventions over the last decades when compared with placebo. The necessity to revisit therapeutic options for CD is becoming more urgent and a renewed focus on causation is essential for progress in identifying new treatment options. This manuscript discusses newer interventions, such as vaccination, FMT, dietary remediation and gut microbiome regulation, that will become more relevant as existing therapeutic options expire. Revisiting the MAP theory as a potential infectious cause of CD, rather than the prevailing concept of an "aberrant immune response" will require expanding the current therapeutic programme to include potential new alternatives, and combinations of existing treatments. To advance research on MAP in humans, it is essential for microbiologists and medical scientists to microscopically detect CWDM and to biologically amplify the growth by directed culture.
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Affiliation(s)
- John M Aitken
- Otakaro Pathways Ltd., Innovation Park, Christchurch 7675, New Zealand
| | - Jack E Aitken
- Otakaro Pathways Ltd., Innovation Park, Christchurch 7675, New Zealand
| | - Gaurav Agrawal
- Division of Diabetes & Nutritional Sciences, Franklin-Wilkins Building, King's College London, London SE1 9NH, UK
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Osei-Owusu J, Aidoo OF, Eshun F, Gaikpa DS, Dofuor AK, Vigbedor BY, Turkson BK, Ochar K, Opata J, Opoku MJ, Ninsin KD, Borgemeister C. Buruli ulcer in Africa: Geographical distribution, ecology, risk factors, diagnosis, and indigenous plant treatment options - A comprehensive review. Heliyon 2023; 9:e22018. [PMID: 38034712 PMCID: PMC10686891 DOI: 10.1016/j.heliyon.2023.e22018] [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: 07/04/2023] [Revised: 10/09/2023] [Accepted: 11/02/2023] [Indexed: 12/02/2023] Open
Abstract
Buruli ulcer (BU), a neglected tropical disease (NTD), is an infection of the skin and subcutaneous tissue caused by Mycobacterium ulcerans. The disease has been documented in many South American, Asian, and Western Pacific countries and is widespread throughout much of Africa, especially in West and Central Africa. In rural areas with scarce medical care, BU is a devastating disease that can leave patients permanently disabled and socially stigmatized. Mycobacterium ulcerans is thought to produce a mycolactone toxin, which results in necrosis of the afflicted tissue and may be involved in the etiology of BU. Initially, patients may notice a painless nodule or plaque on their skin; as the disease progresses, however, it may spread to other parts of the body, including the muscles and bones. Clinical signs, microbial culture, and histological analysis of afflicted tissue all contribute to a diagnosis of BU. Though antibiotic treatment and surgical removal of infected tissue are necessary for BU management, plant-derived medicine could be an alternative in areas with limited access to conventional medicine. Herein we reviewed the geographical distribution, socioeconomic, risk factors, diagnosis, biology and ecology of the pathogen. Complex environmental, socioeconomic, and genetic factors that influence BU are discussed. Further, our review highlights future research areas needed to develop strategies to manage the disease through the use of indigenous African plants.
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Affiliation(s)
- Jonathan Osei-Owusu
- Department of Physical and Mathematical Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Owusu Fordjour Aidoo
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Fatima Eshun
- Department of Geography and Earth Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - David Sewordor Gaikpa
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Aboagye Kwarteng Dofuor
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Bright Yaw Vigbedor
- Department of Basic Sciences, University of Health and Allied Sciences, Ho, Ghana
| | - Bernard Kofi Turkson
- Department of Herbal Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Kingsley Ochar
- Council for Scientific and Industrial Research, Plant Genetic Resources Research Institute, Bunso, Ghana
| | - John Opata
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Maxwell Jnr. Opoku
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Kodwo Dadzie Ninsin
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Christian Borgemeister
- Centre for Development Research (ZEF), University of Bonn, Genscherallee 3, 53113 Bonn, Germany
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Bhanushali J, Jadhav U, Ghewade B, Wagh P. Unveiling the Clinical Diversity in Nontuberculous Mycobacteria (NTM) Infections: A Comprehensive Review. Cureus 2023; 15:e48270. [PMID: 38054150 PMCID: PMC10695653 DOI: 10.7759/cureus.48270] [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: 09/18/2023] [Accepted: 11/04/2023] [Indexed: 12/07/2023] Open
Abstract
Once considered rare, nontuberculous mycobacterial (NTM) infections have garnered increasing attention in recent years. This comprehensive review provides insights into the epidemiology, clinical diversity, diagnostic methods, treatment strategies, prevention, and emerging research trends in NTM infections. Key findings reveal the global prevalence of NTM infections, their diverse clinical presentations affecting respiratory and extra-pulmonary systems, and the diagnostic challenges addressed by advances in microbiological, radiological, and immunological methods. Treatment complexities, especially drug resistance and patient adherence, are discussed, along with the vulnerability of special populations. The importance of early detection and management is underscored. Prospects in NTM research, including genomics, diagnostics, drug development, and multidisciplinary approaches, promise to enhance our understanding and treatment of these infections. This review encapsulates the multifaceted nature of NTM infections, offering a valuable resource for clinicians, researchers, and public health professionals.
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Affiliation(s)
- Jay Bhanushali
- Respiratory Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Ulhas Jadhav
- Respiratory Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Babaji Ghewade
- Respiratory Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Pankaj Wagh
- Respiratory Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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THEME: "Vaccines and Vaccine Adjuvants/Immunomodulators for Infectious Diseases". Vaccines (Basel) 2023; 11:vaccines11020383. [PMID: 36851261 PMCID: PMC9965514 DOI: 10.3390/vaccines11020383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Accepted: 01/12/2023] [Indexed: 02/11/2023] Open
Abstract
The discovery of vaccines has enabled the successful prevention of many deadly infectious diseases, decreased the overall mortality rate, and improved life expectancy worldwide [...].
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Kütter MT, Barcellos LJG, Boyle RT, Marins LF, Silveira T. Good practices in the rearing and maintenance of zebrafish (Danio rerio) in Brazilian laboratories. CIÊNCIA ANIMAL BRASILEIRA 2023. [DOI: 10.1590/1809-6891v24e-74134e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
Abstract Good Laboratory Practice (GLP) is a management quality control system that encompasses the organizational process and conditions under which non-clinical health and environmental studies are carried out. According to the World Health Organization, GLP must contain five topics: resources, characterization, rules, results, and quality control. This work aims to address a review according to WHO standards of implementing Good Laboratory Practices in zebrafish (Danio rerio) vivariums. Considering that the promotion of one health (animal, human, and environmental) associated with an education plan, protocols, and records are fundamental to guarantee the safety and integrity of employees, animals, and the environment as well as reliability in the results generated. In a way, Brazil still needs improvements related to the well-being of aquatic organisms (national laws, international agreements, corporate programs, and others), especially concerning its use in research and technological development. In this way, the implementation of GLPs provides valuable guidance for improving animal welfare and worker safety, facilitating the standardization of research.
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Kütter MT, Barcellos LJG, Boyle RT, Marins LF, Silveira T. Boas práticas na criação e manutenção de zebrafish (Danio rerio) em laboratório no Brasil. CIÊNCIA ANIMAL BRASILEIRA 2023. [DOI: 10.1590/1809-6891v24e-74134p] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
Resumo As Boas Práticas de Laboratório (BPL) são um sistema de controle de qualidade gerencial que abrange o processo organizacional e as condições sob as quais os estudos não clínicos de saúde e meio ambiente são desenvolvidos. Conforme a Organização Mundial da Saúde (OMS) as BPL devem conter cinco tópicos: recursos, caracterização, regras, resultados e controle de qualidade. O objetivo deste trabalho foi apresentar uma revisão conforme o padrão da OMS para a implementação das BPL em biotério de zebrafish. Considerando que a promoção da saúde única (animal, humana e ambiental) associada a um plano de educação, protocolos e registros são fundamentais para garantir a segurança e a integridade dos trabalhadores/pesquisadores, animais e meio ambiente assim como confiabilidade nos resultados gerados. De certa forma o Brasil ainda necessita de melhorias relacionadas ao bem-estar de organismos aquáticos (leis nacionais, acordos internacionais, programas corporativos e outros); especialmente em relação à utilização deste na pesquisa e desenvolvimento tecnológico. Desta forma, a implementação de BPL fornece uma orientação valiosa para a melhoria do bem-estar animal, e segurança do trabalhador vindo a facilitar a padronização da pesquisa.
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Abdelaal HFM, Chan ED, Young L, Baldwin SL, Coler RN. Mycobacterium abscessus: It’s Complex. Microorganisms 2022; 10:microorganisms10071454. [PMID: 35889173 PMCID: PMC9316637 DOI: 10.3390/microorganisms10071454] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/12/2022] [Accepted: 07/16/2022] [Indexed: 12/21/2022] Open
Abstract
Mycobacterium abscessus (M. abscessus) is an opportunistic pathogen usually colonizing abnormal lung airways and is often seen in patients with cystic fibrosis. Currently, there is no vaccine available for M. abscessus in clinical development. The treatment of M. abscessus-related pulmonary diseases is peculiar due to intrinsic resistance to several commonly used antibiotics. The development of either prophylactic or therapeutic interventions for M. abscessus pulmonary infections is hindered by the absence of an adequate experimental animal model. In this review, we outline the critical elements related to M. abscessus virulence mechanisms, host–pathogen interactions, and treatment challenges associated with M. abscessus pulmonary infections. The challenges of effectively combating this pathogen include developing appropriate preclinical animal models of infection, developing proper diagnostics, and designing novel strategies for treating drug-resistant M. abscessus.
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Affiliation(s)
- Hazem F. M. Abdelaal
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, WA 98145, USA; (H.F.M.A.); (S.L.B.)
| | - Edward D. Chan
- Department of Academic Affairs and Medicine, National Jewish Health, Denver, CO 80206, USA;
- Pulmonary Section, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, CO 80045, USA
| | - Lisa Young
- Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA;
| | - Susan L. Baldwin
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, WA 98145, USA; (H.F.M.A.); (S.L.B.)
| | - Rhea N. Coler
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, WA 98145, USA; (H.F.M.A.); (S.L.B.)
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA 98195, USA
- Department of Global Health, University of Washington, Seattle, WA 98195, USA
- Correspondence:
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