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Jeung JH, Han H, Jang SH, Lee CY, Ahn JK. One-pot, one-step, label-free miRNA detection method based on the structural transition of dumbbell probe. Talanta 2024; 274:125944. [PMID: 38537347 DOI: 10.1016/j.talanta.2024.125944] [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: 12/19/2023] [Revised: 02/15/2024] [Accepted: 03/16/2024] [Indexed: 05/04/2024]
Abstract
In this study, we present a one-pot, one-step, label-free miRNA detection method through a structural transition of a specially designed dumbbell-shape probe, initiating a rolling circle transition (RCT). In principle, target miRNA binds to right loop of the dumbbell probe (DP), which allows structural change of the DP to circular form, exposing a sequence complementary to the T7 promoter (T7p) previously hidden within the stem. This exposure allows T7 RNA polymerase to initiate RCT, producing a repetitive Mango aptamer sequence. TO1-biotin, fluorescent dye, binds to the aptamer, inducing a detectable enhancement of fluorescence intensity. Without miR-141, the DP stays closed, RCT is prevented, and the fluorescence intensity remains low. By employing this novel strategy, target miRNA was successfully identified with a detection of 73 pM and a dynamic linear range of 0-10 nM. Additionally, the method developed enables one-pot, one-step, and label-free detection of miRNA, demonstrating potential for point-of-care testing (POCT) applications. Furthermore, the practical application of the designed technique was demonstrated by reliably detecting the target miRNA in the human serum sample. We also believe that the conceived approach could be widely used to detect not only miRNAs but also diverse biomolecules by simply replacing the detection probe.
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Affiliation(s)
- Jae Hoon Jeung
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan, Republic of Korea; Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hyogu Han
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan, Republic of Korea; Department of Chemistry, Gangneung-Wonju National University, Gangneung, 25457, Republic of Korea
| | - Se Hee Jang
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan, Republic of Korea; Department of Medical Device Engineering and Management, College of Medicine, Yonsei University, Seoul, 03722, Republic of Korea
| | - Chang Yeol Lee
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
| | - Jun Ki Ahn
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan, Republic of Korea.
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Aftab A, Raina OK, Maxton A, Masih SA. Advances in diagnostic approaches to Fasciola infection in animals and humans: An overviews. J Helminthol 2024; 98:e12. [PMID: 38269544 DOI: 10.1017/s0022149x23000950] [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: 01/26/2024]
Abstract
Fasciolosis, caused by Fasciola hepatica and F. gigantica, is an impediment to the livestock industry’s expansion and has a massively negative socio-economic impact due to its widespread prevalence in livestock. It is a waterborne zoonosis affecting human populations in the countries where rural economies are associated with livestock rearing. Conventional diagnosis of Fasciola infection is done by detecting parasite eggs in the faeces of infected animals or by immunological methods. Accurate and quick immunodiagnosis of Fasciola infection in animals and humans is based on the detection of antibodies and specific antigens expressed in the prepatent stage of the parasite. Both molecular and serodiagnostic tests developed thus far have enhanced the reliability of Fasciola diagnosis in both man and animals but are not widely available in resource-poor nations. A pen-side diagnostic test based on a lateral flow assay or a DNA test like loop-mediated isothermal amplification (LAMP) would be simple, fast, and cost-effective, enabling clinicians to treat animals in a targeted manner and avoid the development of drug resistance to the limited flukicides. This review focuses on the recent advances made in the diagnosis of this parasite infection in animals and humans.
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Affiliation(s)
- A Aftab
- Molecular and Cellular Engineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj-211007, Uttar Pradesh, India
- Division of Parasitology, Indian Veterinary Research Institute, Izatnagar-243122, Bareilly, Uttar Pradesh, India
| | - O K Raina
- Division of Parasitology, Indian Veterinary Research Institute, Izatnagar-243122, Bareilly, Uttar Pradesh, India
| | - A Maxton
- Genetics and Plant Breeding, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj-211007, Uttar Pradesh, India
| | - S A Masih
- Molecular and Cellular Engineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj-211007, Uttar Pradesh, India
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Esteban JG, Muñoz-Antolí C, Toledo R, Ash LR. Diagnosis of Human Trematode Infections. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1454:541-582. [PMID: 39008275 DOI: 10.1007/978-3-031-60121-7_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Digenetic trematodes form a major group of human parasites, affecting a large number of humans, especially in endemic foci. Over 100 species have been reported infecting humans, including blood, lung, liver and intestinal parasites. Traditionally, trematode infections have been diagnosed by parasitological methods based on the detection and the identification of eggs in different clinical samples. However, this is complicated due to the morphological similarity between eggs of different trematode species and other factors such as lack of sensitivity or ectopic locations of the parasites. Moreover, the problem is currently aggravated by migratory flows, international travel, international trade of foods and changes in alimentary habits. Although efforts have been made for the development of immunological and molecular techniques, the detection of eggs through parasitological techniques remains as the gold standard for the diagnosis of trematodiases. In the present chapter, we review the current status of knowledge on diagnostic techniques used when examining feces, urine, and sputum and also analyze the most relevant characteristics used to identify eggs with a quick key for the identification of eggs.
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Affiliation(s)
- J Guillermo Esteban
- Área de Parasitología, Departamento de Farmacia, Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universidad de Valencia, Burjassot, Valencia, Spain.
| | - Carla Muñoz-Antolí
- Área de Parasitología, Departamento de Farmacia, Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universidad de Valencia, Burjassot, Valencia, Spain
| | - Rafael Toledo
- Área de Parasitología, Departamento de Farmacia, Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universidad de Valencia, Burjassot, Valencia, Spain
| | - Lawrence R Ash
- Infectious & Tropical Diseases, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
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Environmental DNA in human and veterinary parasitology - Current applications and future prospects for monitoring and control. Food Waterborne Parasitol 2022; 29:e00183. [DOI: 10.1016/j.fawpar.2022.e00183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 11/04/2022] [Accepted: 11/09/2022] [Indexed: 11/15/2022] Open
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Abdullah AL-maskri AA, Jin G, Li Y, Talap J, Almoiliqy M, Apu C, Zeng S, Zhou Y, Cai S. A self-assembly amplification strategy for ultra-sensitive detection of microRNA based on phosphorothioated probes. Talanta 2022; 249:123618. [DOI: 10.1016/j.talanta.2022.123618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 05/21/2022] [Accepted: 05/25/2022] [Indexed: 11/26/2022]
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Bodulev OL, Sakharov IY. Modern Methods for Assessment of microRNAs. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:425-442. [PMID: 35790375 DOI: 10.1134/s0006297922050042] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/21/2022] [Accepted: 03/21/2022] [Indexed: 06/15/2023]
Abstract
The review discusses modern methods for the quantitative and semi-quantitative analysis of miRNAs, which are small non-coding RNAs affecting numerous biological processes such as development, differentiation, metabolism, and immune response. miRNAs are considered as promising biomarkers in the diagnosis of various diseases.
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Affiliation(s)
- Oleg L Bodulev
- Lomonosov Moscow State University, Faculty of Chemistry, Moscow, 119991, Russia
| | - Ivan Yu Sakharov
- Lomonosov Moscow State University, Faculty of Chemistry, Moscow, 119991, Russia.
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Contreras Garcia M, Walshe E, Steketee PC, Paxton E, Lopez-Vidal J, Pearce MC, Matthews KR, Ezzahra-Akki F, Evans A, Fairlie-Clark K, Matthews JB, Grey F, Morrison LJ. Comparative Sensitivity and Specificity of the 7SL sRNA Diagnostic Test for Animal Trypanosomiasis. Front Vet Sci 2022; 9:868912. [PMID: 35450136 PMCID: PMC9017285 DOI: 10.3389/fvets.2022.868912] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 02/23/2022] [Indexed: 11/13/2022] Open
Abstract
Animal trypanosomiasis (AT) is a significant livestock disease, affecting millions of animals across Sub-Saharan Africa, Central and South America, and Asia, and is caused by the protozoan parasites Trypanosoma brucei, Trypanosoma vivax, and Trypanosoma congolense, with the largest economic impact in cattle. There is over-reliance on presumptive chemotherapy due to inadequate existing diagnostic tests, highlighting the need for improved AT diagnostics. A small RNA species, the 7SL sRNA, is excreted/secreted by trypanosomes in infected animals, and has been previously shown to reliably diagnose active infection. We sought to explore key properties of 7SL sRNA RT-qPCR assays; namely, assessing the potential for cross-reaction with the widespread and benign Trypanosoma theileri, directly comparing assay performance against currently available diagnostic methods, quantitatively assessing specificity and sensitivity, and assessing the rate of decay of 7SL sRNA post-treatment. Results showed that the 7SL sRNA RT-qPCR assays specific for T. brucei, T. vivax, and T. congolense performed better than microscopy and DNA PCR in detecting infection. The 7SL sRNA signal was undetectable or significantly reduced by 96-h post treatment; at 1 × curative dose there was no detectable signal in 5/5 cattle infected with T. congolense, and in 3/5 cattle infected with T. vivax, with the signal being reduced 14,630-fold in the remaining two T. vivax cattle. Additionally, the assays did not cross-react with T. theileri. Finally, by using a large panel of validated infected and uninfected samples, the species-specific assays are shown to be highly sensitive and specific by receiver operating characteristic (ROC) analysis, with 100% sensitivity (95% CI, 96.44-100%) and 100% specificity (95% CI, 96.53-100%), 96.73% (95% CI, 95.54-99.96%) and 99.19% specificity (95% CI, 92.58-99.60%), and 93.42% (95% CI, 85.51-97.16% %) and 82.43% specificity (95% CI, 72.23-89.44% %) for the T brucei, T. congolense and T. vivax assays, respectively, under the conditions used. These findings indicate that the 7SL sRNA has many attributes that would be required for a potential diagnostic marker of AT: no cross-reaction with T. theileri, high specificity and sensitivity, early infection detection, continued signal even in the absence of detectable parasitaemia in blood, and clear discrimination between infected and treated animals.
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Affiliation(s)
- Maria Contreras Garcia
- Roslin Institute, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
| | - Emily Walshe
- Roslin Technologies Limited, Roslin Innovation Centre, University of Edinburgh, Edinburgh, United Kingdom
| | - Pieter C Steketee
- Roslin Institute, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
| | - Edith Paxton
- Roslin Institute, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
| | - Javier Lopez-Vidal
- Ashworth Laboratories, Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh, United Kingdom
| | - Michael C Pearce
- Global Alliance for Livestock Veterinary Medicines, Edinburgh, United Kingdom
| | - Keith R Matthews
- Ashworth Laboratories, Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh, United Kingdom
| | | | | | - Karen Fairlie-Clark
- Roslin Technologies Limited, Roslin Innovation Centre, University of Edinburgh, Edinburgh, United Kingdom
| | - Jacqueline B Matthews
- Roslin Technologies Limited, Roslin Innovation Centre, University of Edinburgh, Edinburgh, United Kingdom
| | - Finn Grey
- Roslin Institute, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
| | - Liam J Morrison
- Roslin Institute, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
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Siles-Lucas M, Becerro-Recio D, Serrat J, González-Miguel J. Fascioliasis and fasciolopsiasis: Current knowledge and future trends. Res Vet Sci 2020; 134:27-35. [PMID: 33278757 DOI: 10.1016/j.rvsc.2020.10.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 10/07/2020] [Accepted: 10/14/2020] [Indexed: 02/07/2023]
Abstract
Food-borne zoonotic trematodiases are classified as neglected diseases by the World Health Organization. Among them, fascioliasis is caused worldwide by Fasciola hepatica and F. gigantica, and represent a huge problem in livestock production and human health in endemic areas. Fasciolopsis buski, restricted to specific regions of Asia, causes fasciolopsiasis. The incidence of these trematodiases is underestimated due to under-reporting and to the lack of sensitive and widely accepted tool for their diagnosis. This, together with a rising trend in reporting of drug resistance and the need for an effective vaccine against these parasites, pose a challenge in the effective control of these diseases. Here, the latest reports on fascioliasis outbreaks between 2000 and 2020 and the most recent advances in their epidemiology, diagnosis, treatment and control are revised. Finally, future needs in the field of fascioliasis and fasciolopsiasis are presented, which could be addressed based on current knowledge and by means of new emerging technologies.
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Affiliation(s)
- Mar Siles-Lucas
- Laboratory of Parasitology, Institute of Natural Resources and Agrobiology of Salamanca (IRNASA-CSIC), C/ Cordel de Merinas 40-52, 37008 Salamanca, Spain.
| | - David Becerro-Recio
- Laboratory of Parasitology, Institute of Natural Resources and Agrobiology of Salamanca (IRNASA-CSIC), C/ Cordel de Merinas 40-52, 37008 Salamanca, Spain
| | - Judit Serrat
- Laboratory of Parasitology, Institute of Natural Resources and Agrobiology of Salamanca (IRNASA-CSIC), C/ Cordel de Merinas 40-52, 37008 Salamanca, Spain
| | - Javier González-Miguel
- Laboratory of Parasitology, Institute of Natural Resources and Agrobiology of Salamanca (IRNASA-CSIC), C/ Cordel de Merinas 40-52, 37008 Salamanca, Spain
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