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Ketabi K, Soleimanjahi H, Teimoori A, Hatamluyi B, Rezayi M, Meshkat Z. Diagnostic genosensor for detection of rotavirus based on HFGNs/MXene/PPY signal amplification. Mikrochim Acta 2023; 190:293. [PMID: 37458847 DOI: 10.1007/s00604-023-05871-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 06/10/2023] [Indexed: 07/20/2023]
Abstract
A novel genosensor was developed for rotavirus specific cDNA sequence detection. The genosensor was comprised of hierarchical flower-like gold nanostructures, MXene, and polypyrrole (HFGNs/MXene/PPY) nanocomposite as a signal amplification tag, specific antisense ssDNA oligonucleotide as a recognition bioelement, and methylene blue (MB) as a redox marker. The morphological and electrochemical features of the biosensor were first tested and optimized and the high performance of the platform was confirmed in terms of sensitivity and reproducibility. Then, 20 rotavirus RNA isolated from clinical and cell-cultured samples (10 positive and 10 negative confirmed by RT-PCR and electrophoresis methods) were evaluated by the genosensor. The analysis results revealed that the genosensor is able to differentiate successfully between the positive and negative control groups. The developed genosensor for rotavirus RNA detection presented an excellent limit of detection of ∼ 0.8 aM and a determination range of 10-18 and 10-7 M. In addition, the ssDNA/HFGNs/MXene/PPY/GCE showed high selectivity and long-term stability of ~ 24 days. Therefore, this novel genosensor would be of great benefit for the clinical diagnosis of rotavirus.
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Affiliation(s)
- Kiana Ketabi
- Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, 1411713116, Iran
| | - Hoorieh Soleimanjahi
- Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, 1411713116, Iran.
| | - Ali Teimoori
- Department of Virology, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, 6517838736, Iran
| | - Behnaz Hatamluyi
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, 1313191379, Iran
| | - Majid Rezayi
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, 1313191379, Iran
| | - Zahra Meshkat
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, 1313191379, Iran.
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Trindade FDTB, Ramos ESF, Lobo PS, Cardoso JF, Penha Júnior ET, Bezerra DAM, Neves MAO, Andrade JAA, Moraes Silva MC, Mascarenhas JDP, Guerra SFS, Soares LS. Epidemiologic and Clinical Characteristics of Human Bocavirus Infection in Children with or without Acute Gastroenteritis in Acre, Northern Brazil. Viruses 2023; 15:v15041024. [PMID: 37113004 PMCID: PMC10143463 DOI: 10.3390/v15041024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Human bocavirus (HBoV) is an emerging virus detected around the world that may be associated with cases of acute gastroenteritis (AGE). However, its contribution to AGE has not been elucidated. This study aimed to describe the frequency, clinical features, and HBoV species circulation in children up to 5 years with or without AGE symptoms in Acre, Northern Brazil. A total of 480 stool samples were collected between January and December 2012. Fecal samples were used for extraction, nested PCR amplification, and sequencing for genotyping. Statistical analysis was applied to verify the association between epidemiological and clinical characteristics. Overall, HBoV-positivity was 10% (48/480), with HBoV-positive rates of 8.4% (19/226) and 11.4% (29/254) recorded in diarrheic and non-diarrheic children, respectively. The most affected children were in the age group ranging between 7 and 24 months (50%). HBoV infection was more frequent in children who live in urban areas (85.4%), use water from public networks (56.2%), and live with adequate sewage facilities (50%). Co-detection with other enteric viruses was 16.7% (8/48) and the most prevalent coinfection was RVA+ HBoV (50%, 4/8). HBoV-1 was the most frequent species detected in diarrheic and non-diarrheic children, responsible for 43.8% (21/48) of cases, followed by HBoV-3 (29.2%, 14/48) and HBoV-2 (25%, 12/48). In this study, HBoV infection was not always associated with AGE, as most HBoV cases belonged to the non-diarrheal group. Future studies are warranted in order to determine the role of HBoV in causing acute diarrhea disease.
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Affiliation(s)
- Fábyla D' Tácia Brito Trindade
- Postgraduate Program in Epidemiology and Health Surveillance, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Endrya Socorro Foro Ramos
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Patrícia Santos Lobo
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Jedson Ferreira Cardoso
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Edvaldo Tavares Penha Júnior
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Delana Andreza Melo Bezerra
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Mayara Annanda Oliveira Neves
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | | | - Monica Cristina Moraes Silva
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Joana D'Arc Pereira Mascarenhas
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Sylvia Fátima Santos Guerra
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
| | - Luana Silva Soares
- Seção de Virologia, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde e Ambiente-IEC/SVSA/MS, Ananindeua 67030-000, PA, Brazil
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Abbas A, Zimmer AJ, Florescu D. Viral Enteritis in Solid-Organ Transplantation. Viruses 2021; 13:2019. [PMID: 34696449 PMCID: PMC8541384 DOI: 10.3390/v13102019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 12/13/2022] Open
Abstract
Solid organ transplant recipients are at increased risk for infections due to chronic immunosuppression. Diarrhea is a commonly encountered problem post transplantation, with infectious causes of diarrhea being a frequent complication. Viral infections/enteritides in solid organ transplant recipients often result from frequently encountered pathogens in this population such as cytomegalovirus, adenovirus, and norovirus. However, several emerging viral pathogens are increasingly being recognized as more sensitive diagnostic techniques become available. Treatment is often limited to supportive care and reduction in immunosuppression, though antiviral therapies mayplay a role in the treatment in certain diseases. Viral enteritis is an important entity that contributes to morbidity and mortality in transplant recipients.
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Affiliation(s)
- Anum Abbas
- Division of Infectious Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA; (A.J.Z.); (D.F.)
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Kostoff RN, Briggs MB, Kanduc D, Shores DR, Kovatsi L, Vardavas AI, Porter AL. Common contributing factors to COVID-19 and inflammatory bowel disease. Toxicol Rep 2021; 8:1616-1637. [PMID: 34485092 PMCID: PMC8406546 DOI: 10.1016/j.toxrep.2021.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/17/2021] [Accepted: 08/28/2021] [Indexed: 12/11/2022] Open
Abstract
The devastating complications of coronavirus disease 2019 (COVID-19) result from an individual's dysfunctional immune response following the initial severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Multiple toxic stressors and behaviors contribute to underlying immune system dysfunction. SARS-CoV-2 exploits the dysfunctional immune system to trigger a chain of events ultimately leading to COVID-19. We have previously identified many contributing factors (CFs) (representing toxic exposure, lifestyle factors and psychosocial stressors) common to myriad chronic diseases. We hypothesized significant overlap between CFs associated with COVID-19 and inflammatory bowel disease (IBD), because of the strong role immune dysfunction plays in each disease. A streamlined dot-product approach was used to identify potential CFs to COVID-19 and IBD. Of the fifty CFs to COVID-19 that were validated for demonstration purposes, approximately half had direct impact on COVID-19 (the CF and COVID-19 were mentioned in the same record; i.e., CF---→COVID-19), and the other half had indirect impact. The nascent character of the COVID-19 core literature (∼ one year old) did not allow sufficient time for the direct impacts of many CFs on COVID-19 to be identified. Therefore, an immune system dysfunction (ID) literature directly related to the COVID-19 core literature was used to augment the COVID-19 core literature and provide the remaining CFs that impacted COVID-19 indirectly (i.e., CF---→immune system dysfunction---→COVID-19). Approximately 13000 potential CFs for myriad diseases (obtained from government and university toxic substance lists) served as the starting point for the dot-product identification process. These phrases were intersected (dot-product) with phrases extracted from a PubMed-derived IBD core literature, a nascent COVID-19 core literature, and the COVID-19-related immune system dysfunction (ID) core literature to identify common ID/COVID-19 and IBD CFs. Approximately 3000 potential CFs common to both ID and IBD, almost 2300 potential CFs common to ID and COVID-19, and over 1900 potential CFs common to IBD and COVID-19 were identified. As proof of concept, we validated fifty of these ∼3000 overlapping ID/IBD candidate CFs with biologic plausibility. We further validated 24 of the fifty as common CFs in the IBD and nascent COVID-19 core literatures. This significant finding demonstrated that the CFs indirectly related to COVID-19 -- identified with use of the immune system dysfunction literature -- are strong candidates to emerge eventually as CFs directly related to COVID-19. As discussed in the main text, many more CFs common to all these core literatures could be identified and validated. ID and IBD share many common risk/contributing factors, including behaviors and toxic exposures that impair immune function. A key component to immune system health is removal of those factors that contribute to immune system dysfunction in the first place. This requires a paradigm shift from traditional Western medicine, which often focuses on treatment, rather than prevention.
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Affiliation(s)
- Ronald Neil Kostoff
- School of Public Policy, Georgia Institute of Technology, Gainesville, VA, 20155, United States
| | | | - Darja Kanduc
- Dept. of Biosciences, Biotechnologies, and Biopharmaceutics, University of Bari, Via Orabona 4, Bari, 70125, Italy
| | - Darla Roye Shores
- Department of Pediatrics, Division of Gastroenterology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21287, United States
| | - Leda Kovatsi
- Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, 54124, Greece
| | - Alexander I. Vardavas
- Laboratory of Toxicology & Forensic Sciences, Faculty of Medicine, University of Crete, Greece
| | - Alan L. Porter
- R&D, Search Technology, Inc., Peachtree Corners, GA, 30092, United States
- School of Public Policy, Georgia Institute of Technology, Atlanta, GA, 30332, United States
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Malta FC, Varella RB, Guimarães MAAM, Miagostovich MP, Fumian TM. Human Bocavirus in Brazil: Molecular Epidemiology, Viral Load and Co-Infections. Pathogens 2020; 9:pathogens9080645. [PMID: 32785066 PMCID: PMC7459459 DOI: 10.3390/pathogens9080645] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 12/15/2022] Open
Abstract
Human bocavirus (HBoV) is an emerging virus and has been detected worldwide, especially in pediatric patients with respiratory and gastrointestinal infection. In this study, we describe HBoV prevalence, genotypes circulation and DNA shedding, in stool samples from children up to two years of age in Brazil. During 2016 and 2017, 886 acute gastroenteritis (AGE) stool samples from ten Brazilian states were analyzed by TaqMan®-based qPCR, to detect and quantify HBoV. Positive samples were genotyped by sequencing the VP1/2 overlap region, followed by phylogenetic analysis and co-infections were accessed by screening other gastroenteric viruses. HBoV was detected in 12.4% (n = 110) of samples, with viral load ranging from 1.6 × 102 to 1.2 × 109 genome copies per gram of stool. From these, co-infections were found in 79.1%, and a statistically lower HBoV viral load was found compared to viral loads of rotavirus, norovirus and adenovirus in double infected patients (p < 0.05). No significant differences were found between HBoV viral load in single or co-infections, age groups or genotypes. Phylogenetic analysis identified the circulation of HBoV-1 in 38%, HBoV-2 in 40% and HBoV-3 in 22%. Continuous HBoV monitoring is needed to clarify its role in diarrhea disease, especially in the absence of classic gastroenteric viruses.
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Affiliation(s)
- Fábio Correia Malta
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-360, Brazil; (F.C.M.); (M.P.M.)
- Department of Infectious and Parasitic Diseases, School of Medicine, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro 21941-590, Brazil;
| | - Rafael Brandão Varella
- Department of Microbiology and Parasitology, Institute Biomedical, Federal Fluminense University, Niterói 24210-130, Brazil;
| | - Maria Angelica Arpon Marandino Guimarães
- Department of Infectious and Parasitic Diseases, School of Medicine, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro 21941-590, Brazil;
| | - Marize Pereira Miagostovich
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-360, Brazil; (F.C.M.); (M.P.M.)
| | - Tulio Machado Fumian
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-360, Brazil; (F.C.M.); (M.P.M.)
- Correspondence: or
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