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Muzembo BA, Kitahara K, Ohno A, Khatiwada J, Dutta S, Miyoshi SI. Rapid diagnostic tests and loop-mediated isothermal amplification method for the detection of Shigella species: A systematic review and meta-analysis. J Infect Public Health 2024; 17:1065-1078. [PMID: 38705059 DOI: 10.1016/j.jiph.2024.04.013] [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: 02/22/2024] [Revised: 04/14/2024] [Accepted: 04/16/2024] [Indexed: 05/07/2024] Open
Abstract
We meta-analyzed the diagnostic accuracy of rapid diagnostic tests (dipsticks) and loop-mediated isothermal amplification (LAMP) method to detect Shigella species. We searched MEDLINE, Embase, Web of Science and Google Scholar from inception to 2023 for studies reporting on the performance of Shigella dipstick and LAMP tests compared with culture or polymerase chain reaction (PCR). Our search identified 2618 studies, of which fourteen met the inclusion criteria for the systematic review. Ten studies covering 4056 tests (from twelve countries) were included in the meta-analysis. The overall pooled sensitivity and specificity were 98% (95% CI: 94-100) and 97% (95% CI: 92-99), respectively. Pooled sensitivity and specificity of dipsticks were 95% and 98%, respectively. In contrast, LAMP showed higher pooled sensitivity (100%) and diagnostic odds ratio (431752), but similar specificity (97%). LAMP and dipstick tests exhibited promising performance, suggesting that they could be useful for assisting in the diagnosis of shigellosis.
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Affiliation(s)
- Basilua Andre Muzembo
- Research Institute of Nursing Care for People and Community, University of Hyogo, Akashi, Japan; Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.
| | - Kei Kitahara
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan; Collaborative Research Centre of Okayama University for Infectious Diseases in India at ICMR-NICED, Kolkata, India
| | - Ayumu Ohno
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan; Collaborative Research Centre of Okayama University for Infectious Diseases in India at ICMR-NICED, Kolkata, India
| | | | - Shanta Dutta
- Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Shin-Ichi Miyoshi
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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Pavlinac PB, Platts-Mills JA, Liu J, Atlas HE, Gratz J, Operario D, Rogawski McQuade ET, Ahmed D, Ahmed T, Alam T, Ashorn P, Badji H, Bahl R, Bar-Zeev N, Chisti MJ, Cornick J, Chauhan A, De Costa A, Deb S, Dhingra U, Dube Q, Duggan CP, Freyne B, Gumbi W, Hotwani A, Kabir M, Islam O, Kabir F, Kasumba I, Kibwana U, Kotloff KL, Khan SS, Maiden V, Manji K, Mehta A, Ndeketa L, Praharaj I, Qamar FN, Sazawal S, Simon J, Singa BO, Somji S, Sow SO, Tapia MD, Tigoi C, Toure A, Walson JL, Yousafzai MT, Houpt ER. Azithromycin for Bacterial Watery Diarrhea: A Reanalysis of the AntiBiotics for Children With Severe Diarrhea (ABCD) Trial Incorporating Molecular Diagnostics. J Infect Dis 2024; 229:988-998. [PMID: 37405406 PMCID: PMC11011181 DOI: 10.1093/infdis/jiad252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/25/2023] [Accepted: 07/03/2023] [Indexed: 07/06/2023] Open
Abstract
BACKGROUND Bacterial pathogens cause substantial diarrhea morbidity and mortality among children living in endemic settings, yet antimicrobial treatment is only recommended for dysentery or suspected cholera. METHODS AntiBiotics for Children with severe Diarrhea was a 7-country, placebo-controlled, double-blind efficacy trial of azithromycin in children 2-23 months of age with watery diarrhea accompanied by dehydration or malnutrition. We tested fecal samples for enteric pathogens utilizing quantitative polymerase chain reaction to identify likely and possible bacterial etiologies and employed pathogen-specific cutoffs based on genomic target quantity in previous case-control diarrhea etiology studies to identify likely and possible bacterial etiologies. RESULTS Among 6692 children, the leading likely etiologies were rotavirus (21.1%), enterotoxigenic Escherichia coli encoding heat-stable toxin (13.3%), Shigella (12.6%), and Cryptosporidium (9.6%). More than one-quarter (1894 [28.3%]) had a likely and 1153 (17.3%) a possible bacterial etiology. Day 3 diarrhea was less common in those randomized to azithromycin versus placebo among children with a likely bacterial etiology (risk difference [RD]likely, -11.6 [95% confidence interval {CI}, -15.6 to -7.6]) and possible bacterial etiology (RDpossible, -8.7 [95% CI, -13.0 to -4.4]) but not in other children (RDunlikely, -0.3% [95% CI, -2.9% to 2.3%]). A similar association was observed for 90-day hospitalization or death (RDlikely, -3.1 [95% CI, -5.3 to -1.0]; RDpossible, -2.3 [95% CI, -4.5 to -.01]; RDunlikely, -0.6 [95% CI, -1.9 to .6]). The magnitude of risk differences was similar among specific likely bacterial etiologies, including Shigella. CONCLUSIONS Acute watery diarrhea confirmed or presumed to be of bacterial etiology may benefit from azithromycin treatment. CLINICAL TRIALS REGISTRATION NCT03130114.
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Affiliation(s)
- Patricia B Pavlinac
- Department of Global Health
- Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - James A Platts-Mills
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Jie Liu
- School of Public Health, Qingdao University, Qingdao, China
| | | | - Jean Gratz
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Darwin Operario
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | | | | | - Tahmeed Ahmed
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Tahmina Alam
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Per Ashorn
- Center for Child, Adolescent, and Maternal Health Research, Faculty of Medicine and Health Technology, Tampere University and Tampere University Hospital, Tampere, Finland
| | - Henry Badji
- Centre pour le Développement des Vaccines, Bamako, Mali
| | - Rajiv Bahl
- Department of Maternal, Newborn, Child, and Adolescent Health and Aging, World Health Organization, Geneva, Switzerland
| | - Naor Bar-Zeev
- International Vaccine Access Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Mohammod Jobayer Chisti
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Jen Cornick
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
| | | | - Ayesha De Costa
- Department of Maternal, Newborn, Child, and Adolescent Health and Aging, World Health Organization, Geneva, Switzerland
| | - Saikat Deb
- Center for Public Health Kinetics, New Delhi, India
| | - Usha Dhingra
- Center for Public Health Kinetics, New Delhi, India
| | - Queen Dube
- Department of Pediatrics, Queen Elizabeth Central Hospital, Blantyre, Malawi
| | - Christopher P Duggan
- Division of Gastroenterology, Hepatology and Nutrition, Department of Nutrition, Boston Children's Hospital, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Bridget Freyne
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
- Department of Women and Children's Health, School of Medicine, University College Dublin, Dublin, Ireland
| | - Wilson Gumbi
- Kenya Medical Research Institute–Wellcome Trust Research Programme, Kilifi, Kenya
| | - Aneeta Hotwani
- Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Mamun Kabir
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Ohedul Islam
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Furqan Kabir
- Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Irene Kasumba
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Upendo Kibwana
- Department of Pediatrics and Child Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Karen L Kotloff
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
- Department of Pediatrics, Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Shaila S Khan
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Victor Maiden
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
| | - Karim Manji
- Department of Pediatrics and Child Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Ashka Mehta
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Latif Ndeketa
- Clinical Research Programme, Malawi Liverpool Wellcome Trust, Blantyre, Malawi
| | - Ira Praharaj
- Department of Gastrointestinal Sciences, Christian Medical College, Vellore, India
| | - Farah Naz Qamar
- Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | | | - Jonathon Simon
- Department of Maternal, Newborn, Child, and Adolescent Health and Aging, World Health Organization, Geneva, Switzerland
| | - Benson O Singa
- Center for Clinical Research, Kenya Medical Research Institute, Nairobi, Kenya
| | - Sarah Somji
- Department of Pediatrics and Child Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Samba O Sow
- Centre pour le Développement des Vaccines, Bamako, Mali
| | - Milagritos D Tapia
- Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Caroline Tigoi
- Kenya Medical Research Institute–Wellcome Trust Research Programme, Kilifi, Kenya
| | - Aliou Toure
- Centre pour le Développement des Vaccines, Bamako, Mali
| | - Judd L Walson
- Department of Global Health
- Department of Epidemiology, University of Washington, Seattle, WA, USA
- Infectious Diseases, Department of Pediatrics and Medicine, University of Washington, Seattle
| | | | - Eric R Houpt
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
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Arbaciauskaite S, Babakhani P, Sandetskaya N, Vitkus D, Jancoriene L, Karosiene D, Karciauskaite D, Zablockiene B, Kuhlmeier D. Self-Sampled Gargle Water Direct RT-LAMP as a Screening Method for the Detection of SARS-CoV-2 Infections. Diagnostics (Basel) 2022; 12:diagnostics12040775. [PMID: 35453823 PMCID: PMC9030430 DOI: 10.3390/diagnostics12040775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/17/2022] [Accepted: 03/19/2022] [Indexed: 11/16/2022] Open
Abstract
We assessed the viability of self-sampled gargle water direct RT-LAMP (LAMP) for detecting SARS-CoV-2 infections by estimating its sensitivity with respect to the gold standard indirect RT-PCR of paired oro-nasopharyngeal swab samples. We also assessed the impact of symptom onset to test time (STT)—i.e., symptom days at sampling, on LAMP. In addition, we appraised the viability of gargle water self-sampling versus oro-nasopharyngeal swab sampling, by comparing paired indirect RT-PCR results. 202 oro-nasopharyngeal swab and paired self-sampled gargle water samples were collected from hospital patients with COVID-19 associated symptoms. LAMP, indirect and direct RT-PCR were performed on all gargle water samples, and indirect RT-PCR was performed on all oro-nasopharyngeal samples. LAMP presented a sensitivity of 80.8% (95% CI: 70.8–90.8%) for sample pairs with sub-25 Ct oro-nasopharyngeal indirect RT-PCR results, and 77.6% (66.2–89.1%) sensitivity for sub-30 Ct samples with STT ≤ 7 days. STT, independently of Ct value, correlated negatively with LAMP performance. 80.7% agreement was observed between gargle water and oro-nasopharyngeal indirect RT-PCR results. In conclusion, LAMP presents an acceptable sensitivity for low Ct and low STT samples. Gargle water may be considered as a viable sampling method, and LAMP as a screening method, especially for symptomatic persons with low STT values.
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Affiliation(s)
- Skaiste Arbaciauskaite
- Department of Diagnostics, Fraunhofer Institute for Cell Therapy and Immunology IZI, Perlickstraße 1, 04103 Leipzig, Germany; (N.S.); (D.K.)
- Institute of Cell Biology and Neurobiology, Charité—Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
- Correspondence:
| | - Pouya Babakhani
- Department of Computer Science, University of Bath, Claverton Down, Bath BA2 7AY, UK;
| | - Natalia Sandetskaya
- Department of Diagnostics, Fraunhofer Institute for Cell Therapy and Immunology IZI, Perlickstraße 1, 04103 Leipzig, Germany; (N.S.); (D.K.)
| | - Dalius Vitkus
- Institute of Biomedical Sciences, Vilnius University Faculty of Medicine, M.K. Ciurlionio 21, LT-03101 Vilnius, Lithuania; (D.V.); (D.K.)
- Centre of Laboratory Medicine, Vilnius University Hospital Santaros Klinikos, Santariskiu 14, LT-08406 Vilnius, Lithuania;
| | - Ligita Jancoriene
- Clinic of Infectious Diseases and Dermatovenerology, Institute of Clinical Medicine, Vilnius University Faculty of Medicine, M.K. Ciurlionio 21, LT-03101 Vilnius, Lithuania; (L.J.); (B.Z.)
- Center of Infectious Diseases, Vilnius University Hospital Santaros Klinikos, Santariskiu 14, LT-08406 Vilnius, Lithuania
| | - Dovile Karosiene
- Centre of Laboratory Medicine, Vilnius University Hospital Santaros Klinikos, Santariskiu 14, LT-08406 Vilnius, Lithuania;
| | - Dovile Karciauskaite
- Institute of Biomedical Sciences, Vilnius University Faculty of Medicine, M.K. Ciurlionio 21, LT-03101 Vilnius, Lithuania; (D.V.); (D.K.)
- Centre of Laboratory Medicine, Vilnius University Hospital Santaros Klinikos, Santariskiu 14, LT-08406 Vilnius, Lithuania;
| | - Birute Zablockiene
- Clinic of Infectious Diseases and Dermatovenerology, Institute of Clinical Medicine, Vilnius University Faculty of Medicine, M.K. Ciurlionio 21, LT-03101 Vilnius, Lithuania; (L.J.); (B.Z.)
- Center of Infectious Diseases, Vilnius University Hospital Santaros Klinikos, Santariskiu 14, LT-08406 Vilnius, Lithuania
| | - Dirk Kuhlmeier
- Department of Diagnostics, Fraunhofer Institute for Cell Therapy and Immunology IZI, Perlickstraße 1, 04103 Leipzig, Germany; (N.S.); (D.K.)
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Mollasalehi H, Vahedipour N, Taghvamanesh A, Minai-Tehrani D. Development of one-pot single specific primer-LAMP (SSP-LAMP) for identification of Shigella genus using 16S rDNA. Anal Biochem 2021; 636:114452. [PMID: 34762873 DOI: 10.1016/j.ab.2021.114452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/03/2021] [Accepted: 11/07/2021] [Indexed: 11/16/2022]
Abstract
Ribosomal RNA gene as a high-copy number nucleo-biomarker is extremely conserved among bacteria which limits its application to the discriminative detection approaches. We have developed a colorimetric isothermal amplification method called "single specific primer-LAMP (SSP-LAMP)" requiring only one specific primer for the amplification of the target and applied to the identification of the 16S rRNA gene in the Shigella genus. A region with high sequence homology in the genus and low homology with other bacteria was considered as the most appropriate. In that regard, a 23 bp sequence in the 16S rRNA gene of the genus was targeted based on the alignment of the gene with fifty-three closely related bacterial species, and a single specific primer along with five degenerate primers were designed. Using hydroxy-naphthol blue (HNB) as an indicator and gel electrophoresis, the proposed approach of SSP-LAMP was able to detect S. boydii, S. sonnei, S. flexneri and S. dysenteriae specifically while other species remained unidentified. The SSP-LAMP method could provide a rapid one-pot point-of-care method for molecular diagnostics of pathogens in many circumstances mainly samples with high genetic homogeneity.
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Affiliation(s)
- Hamidreza Mollasalehi
- Department of Microbiology and Microbial Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, 1983969411, Iran.
| | - Narges Vahedipour
- Department of Microbiology and Microbial Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, 1983969411, Iran
| | - Ahang Taghvamanesh
- Department of Microbiology and Microbial Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, 1983969411, Iran
| | - Dariush Minai-Tehrani
- Department of Microbiology and Microbial Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, 1983969411, Iran
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