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M D, Bandaru R, Janakiraman V, Sai VVR. A plasmonic fiberoptic absorbance biosensor for mannose-capped lipoarabinomannan based tuberculosis diagnosis. Biosens Bioelectron 2020; 167:112488. [PMID: 32805509 DOI: 10.1016/j.bios.2020.112488] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/16/2020] [Accepted: 07/30/2020] [Indexed: 02/06/2023]
Abstract
Tuberculosis (TB) is a resurgent infectious disease affecting a large number of people in the developing countries. An on-site, affordable diagnostic screening at an early-stage for an immediate anti-TB treatment is known to tremendously minimize the high mortality rates. Lipoarabinomannan (LAM), a surface glycolipid, has been identified as a potential TB biomarker present in urine at ultra-low concentrations of a few fg/mL. Here, we report a plasmonic fiber optic absorbance biosensor (P-FAB) strategy for mannosylated LAM (Man-LAM or Mtb LAM) detection down to attomolar concentrations. It involves a plasmonic sandwich immunoassay on a U-bent fiber optic probe with gold plasmonic (AuNP) labels functionalized with anti-Mtb LAM immunoglobulin M (IgM) and anti-Mtb LAM IgG respectively. The Mtb LAM is quantified in terms of absorption of light passing through the fiber probe using a green LED and a photodetector. The choice of fiber optic probes (fused silica versus polymer), the optimum size (20, 40, 60 and 80 nm) and concentration (2 × , 10 × , and 20 × ) of AuNP labels were investigated to obtain high sensitivity and lower limits of analyte detection (LoD). P-FAB with a simple LED-photodetector pair, 200 μm fused silica U-bent fiber probe and 60 nm (20 × ) AuNP labels gave LoDs down to 1 fg/mL and 10 fg/mL in the buffer and synthetic urine respectively. Moreover, the anti-Mtb LAM IgM bound sensor probes and the AuNP reagent stored at 4 °C were stable up to 45 days. P-FAB based Mtb LAM sensor demonstrates its potential for an on-site TB diagnosis.
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Affiliation(s)
- Divagar M
- Department of Biotechnology, Indian Institute of Technology Madras, Chennai, 600036, India; Biomedical Engineering Division, Department of Applied Mechanics, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Ramakrishna Bandaru
- Biomedical Engineering Division, Department of Applied Mechanics, Indian Institute of Technology Madras, Chennai, 600036, India; Current Affiliation: SRM Institute of Science and Technology, Tankular, Chennai, 603203, India
| | - Vani Janakiraman
- Department of Biotechnology, Indian Institute of Technology Madras, Chennai, 600036, India.
| | - V V R Sai
- Biomedical Engineering Division, Department of Applied Mechanics, Indian Institute of Technology Madras, Chennai, 600036, India.
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2
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Wood HN, Venken T, Willems H, Jacobs A, Reis AJ, Almeida da Silva PE, Homolka S, Niemann S, Rohde KH, Hooyberghs J. Molecular drug susceptibility testing and strain typing of tuberculosis by DNA hybridization. PLoS One 2019; 14:e0212064. [PMID: 30730960 PMCID: PMC6366778 DOI: 10.1371/journal.pone.0212064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 01/25/2019] [Indexed: 11/19/2022] Open
Abstract
In Mycobacterium tuberculosis (Mtb) the detection of single nucleotide polymorphisms (SNPs) is of high importance both for diagnostics, since drug resistance is primarily caused by the acquisition of SNPs in multiple drug targets, and for epidemiological studies in which strain typing is performed by SNP identification. To provide the necessary coverage of clinically relevant resistance profiles and strain types, nucleic acid-based measurement techniques must be able to detect a large number of potential SNPs. Since the Mtb problem is pressing in many resource-poor countries, requiring low-cost point-of-care biosensors, this is a non-trivial technological challenge. This paper presents a proof-of-concept in which we chose simple DNA-DNA hybridization as a sensing principle since this can be transferred to existing low-cost hardware platforms, and we pushed the multiplex boundaries of it. With a custom designed probe set and a physicochemical-driven data analysis it was possible to simultaneously detect the presence of SNPs associated with first- and second-line drug resistance and Mtb strain typing. We have demonstrated its use for the identification of drug resistance and strain type from a panel of phylogenetically diverse clinical strains. Furthermore, reliable detection of the presence of a minority population (<5%) of drug-resistant Mtb was possible.
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Affiliation(s)
- Hillary N. Wood
- Division of Immunity and Pathogenesis, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, United States of America
| | - Tom Venken
- Flemish Institute for Technological Research, VITO, Mol, Belgium
| | - Hanny Willems
- Flemish Institute for Technological Research, VITO, Mol, Belgium
| | - An Jacobs
- Flemish Institute for Technological Research, VITO, Mol, Belgium
| | - Ana Júlia Reis
- Laboratory of Tuberculosis, Faculty of Medicine, Universidade Federal do Rio Grande- FURG, Rio Grande so Sul, RS, Brazil
| | - Pedro Eduardo Almeida da Silva
- Laboratory of Tuberculosis, Faculty of Medicine, Universidade Federal do Rio Grande- FURG, Rio Grande so Sul, RS, Brazil
| | - Susanne Homolka
- Molecular and Experimental Mycobacteriology, Research Center Borstel, Borstel, Germany
- German Center for Infection Research, Borstel, Germany
| | - Stefan Niemann
- Molecular and Experimental Mycobacteriology, Research Center Borstel, Borstel, Germany
- German Center for Infection Research, Borstel, Germany
| | - Kyle H. Rohde
- Division of Immunity and Pathogenesis, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, United States of America
- * E-mail:
| | - Jef Hooyberghs
- Flemish Institute for Technological Research, VITO, Mol, Belgium
- Theoretical Physics, Hasselt University, Diepenbeek, Belgium
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Gu L, Yan W, Liu L, Wang S, Zhang X, Lyu M. Research Progress on Rolling Circle Amplification (RCA)-Based Biomedical Sensing. Pharmaceuticals (Basel) 2018; 11:E35. [PMID: 29690513 PMCID: PMC6027247 DOI: 10.3390/ph11020035] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 04/10/2018] [Accepted: 04/10/2018] [Indexed: 12/26/2022] Open
Abstract
Enhancing the limit of detection (LOD) is significant for crucial diseases. Cancer development could take more than 10 years, from one mutant cell to a visible tumor. Early diagnosis facilitates more effective treatment and leads to higher survival rate for cancer patients. Rolling circle amplification (RCA) is a simple and efficient isothermal enzymatic process that utilizes nuclease to generate long single stranded DNA (ssDNA) or RNA. The functional nucleic acid unit (aptamer, DNAzyme) could be replicated hundreds of times in a short period, and a lower LOD could be achieved if those units are combined with an enzymatic reaction, Surface Plasmon Resonance, electrochemical, or fluorescence detection, and other different kinds of biosensor. Multifarious RCA-based platforms have been developed to detect a variety of targets including DNA, RNA, SNP, proteins, pathogens, cytokines, micromolecules, and diseased cells. In this review, improvements in using the RCA technique for medical biosensors and biomedical applications were summarized and future trends in related research fields described.
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Affiliation(s)
- Lide Gu
- College of Marine Life and Fisheries, Huahai Institute of Technology, Lianyungang 222005, China.
| | - Wanli Yan
- College of Marine Life and Fisheries, Huahai Institute of Technology, Lianyungang 222005, China.
| | - Le Liu
- College of Marine Life and Fisheries, Huahai Institute of Technology, Lianyungang 222005, China.
| | - Shujun Wang
- Marine Resources Development Institute of Jiangsu, Lianyungang 222005, China.
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang 222005, China.
| | - Xu Zhang
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang 222005, China.
- Verschuren Centre for Sustainability in Energy & the Environment, Cape Breton University, Sydney, NS B1P 6L2, Canada.
| | - Mingsheng Lyu
- College of Marine Life and Fisheries, Huahai Institute of Technology, Lianyungang 222005, China.
- Marine Resources Development Institute of Jiangsu, Lianyungang 222005, China.
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang 222005, China.
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Abstract
A review of pulmonary infections of all types with diagnostic and morphological features.
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Bengtson HN, Homolka S, Niemann S, Reis AJ, da Silva PE, Gerasimova YV, Kolpashchikov DM, Rohde KH. Multiplex detection of extensively drug resistant tuberculosis using binary deoxyribozyme sensors. Biosens Bioelectron 2017; 94:176-183. [PMID: 28284077 DOI: 10.1016/j.bios.2017.02.051] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 02/21/2017] [Accepted: 02/28/2017] [Indexed: 02/07/2023]
Abstract
Current diagnostic tools for Mycobacterium tuberculosis (Mtb) have many disadvantages including low sensitivity, slow turnaround times, or high cost. Accurate, easy to use, and inexpensive point of care molecular diagnostic tests are urgently needed for the analysis of multidrug resistant (MDR) and extensively drug resistant (XDR) Mtb strains that emerge globally as a public health threat. In this study, we established proof-of-concept for a novel diagnostic platform (TB-DzT) for Mtb detection and the identification of drug resistant mutants using binary deoxyribozyme sensors (BiDz). TB-DzT combines a multiplex PCR with single nucleotide polymorphism (SNP) detection using highly selective BiDz sensors targeting loci associated with species typing and resistance to rifampin, isoniazid and fluoroquinolone antibiotics. Using the TB-DzT assay, we demonstrated accurate detection of Mtb and 5 mutations associated with resistance to three anti-TB drugs in clinical isolates. The assay also enables detection of a minority population of drug resistant Mtb, a clinically relevant scenario referred to as heteroresistance. Additionally, we show that TB-DzT can detect the presence of unknown mutations at target loci using combinatorial BiDz sensors. This diagnostic platform provides the foundation for the development of cost-effective, accurate and sensitive alternatives for molecular diagnostics of MDR- and XDR-TB.
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Affiliation(s)
- Hillary N Bengtson
- Division of Immunity and Pathogenesis, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Susanne Homolka
- Molecular and Experimental Mycobacteriology, Research Center Borstel, Borstel, Germany
| | - Stefan Niemann
- Molecular and Experimental Mycobacteriology, Research Center Borstel, Borstel, Germany; German Center for Infection Research, Borstel, Germany
| | - Ana Júlia Reis
- Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | | | - Yulia V Gerasimova
- Department of Chemistry, College of Sciences, University of Central Florida, Orlando, FL, USA
| | - Dmitry M Kolpashchikov
- Division of Immunity and Pathogenesis, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL, USA; Department of Chemistry, College of Sciences, University of Central Florida, Orlando, FL, USA
| | - Kyle H Rohde
- Division of Immunity and Pathogenesis, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL, USA.
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Sahle SN, Asress DT, Tullu KD, Weldemariam AG, Tola HH, Awas YA, Hagos GG, Worku MG, Misgina DK. Performance of point-of-care urine test in diagnosing tuberculosis suspects with and without HIV infection in selected peripheral health settings of Addis Ababa, Ethiopia. BMC Res Notes 2017; 10:74. [PMID: 28137314 PMCID: PMC5282652 DOI: 10.1186/s13104-017-2404-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 01/25/2017] [Indexed: 12/19/2022] Open
Abstract
Background There are few rapid point-of-care tests (POCT) for tuberculosis (TB) for use in resource-constrained settings with high levels of human immunodeficiency virus (HIV). This hinders early tuberculosis (TB) treatment. This cross-sectional study evaluates the recently developed urine Determine tuberculosis lipoarabinomannan (TB LAM) antigen test. A total of 122 participants with signs and symptoms of TB, including 21 (17.1%) participants positive for HIV, were enrolled from September 2011 to March 2012 at three selected health centers in Addis Ababa, Ethiopia. Blood, sputum and urine samples were collected. Löwenstein-Jensen (LJ) solid culture was used as a gold standard to evaluate the performance of the Determine TB LAM antigen test. Data were analyzed using STATA (Statacorp LP, USA). Results Of the 122 participants with suspected TB, 35 (28.7%) had TB confirmed bacteriologically by LJ culture. The overall sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of Determine TB LAM (for both HIV-positive and HIV-negative participants) was 37.1% (95% CI 21.5–55.1), 97.7% (95% CI 91.9–99.7), 86.7% (95% CI 59.5–98.3) and 79.4% (95% CI 70.5–86.6), respectively. However, in participants who were co-infected with TB and HIV, sensitivity, specificity, PPV and NPV were 55.6% (95% CI 21.2–86.3), 100% (95% CI 73.5–100), 100% (95% CI 47.8–100) and 75.0% (95% CI 47.6–92.7). Moreover, the level of immunosuppression of the HIV-infected TB patients was found to have a significant association with the performance of Determine TB LAM (χ2 = 7.89, p = 0.002). Conclusions The Determine TB LAM test is a potential alternative in peripheral health settings for TB diagnosis in patients who are co-infected with HIV, with advanced immunosuppression.
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Affiliation(s)
- Selam Niguse Sahle
- Medical Microbiology and Immunology Unit, Institute of Biomedical Sciences, Mekelle University, PO. Box: 1871, Mekelle, Ethiopia.
| | - Dereje Teshome Asress
- College of Health Sciences, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Kassu Desta Tullu
- School of Medical Laboratory Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | | | - Habteyes Hailu Tola
- HIV/AIDS and TB Research Directorate, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Yodit Alemayehu Awas
- HIV/AIDS and TB Research Directorate, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | | | - Muluwork Getahun Worku
- HIV/AIDS and TB Research Directorate, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Desta Kassa Misgina
- HIV/AIDS and TB Research Directorate, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
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7
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Jiao J, Wang MS, Yang XG, Wang XF. Evaluation of ALS assay of TB-SA for diagnosis of pulmonary tuberculosis. J Immunoassay Immunochem 2015; 36:119-27. [PMID: 24702118 DOI: 10.1080/15321819.2014.908127] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The study evaluated tuberculosis specific antigen (TB-SA) antibody in lymphocyte supernatant (ALS) assay for diagnosis of pulmonary tuberculosis (PTB). The mean concentration of TB-SA ALS in PTB patients was significantly higher than that of two control groups (non-PTB patients and healthy subjects, P < 0.001). The area under the curve of the ALS assay were 0.960 (0.904-0.988, PTB vs healthy subjects), and were 0.822 (0.739-0.887, PTB vs Non-PTB patients), respectively. Our data indicated the ALS assay for TB-SA can be used as a screening test and is a useful adjunct to current tests for diagnosis of PTB.
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Affiliation(s)
- Jin Jiao
- a Department of Lab Medicine , Shandong Provincial Chest Hospital , Jinan City , PR China
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8
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Vallada MG, Okay TS, Del Negro GMB, Antonio CA, Yamamoto L, Ramos SRTS. Accuracy of the QuantiFERON-TB Gold in Tube for diagnosing tuberculosis in a young pediatric population previously vaccinated with Bacille Calmette-Guérin . ACTA ACUST UNITED AC 2015; 32:4-10. [PMID: 24676183 PMCID: PMC4182988 DOI: 10.1590/s0103-05822014000100002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Accepted: 08/13/2013] [Indexed: 11/22/2022]
Abstract
Objective: To evaluate the accuracy of an interferongamma release assay (QuantiFERON-TB Gold
in Tube) for diagnosing Mycobacterium tuberculosis infection in a young pediatric
population. Methods: 195 children previously vaccinated with BCG were evaluated, being 184 healthy
individuals with no clinical or epidemiological evidence of mycobacterial
infection, and 11 with Mycobacterium tuberculosis infection, according to
clinical, radiological, and laboratory parameters. A blood sample was obtained
from each child and processed according to the manufacturer's instructions. The
assay performance was evaluated by a Receiver Operating Characteristic (ROC)
curve. Results: In the group of 184 non-infected children, 130 (70.6%) were under the age of four
years (mean age of 35 months). In this group, 177 children (96.2%) had negative
test results, six (3.2%) had indeterminate results, and one (0.5%) had a positive
result. In the group of 11 infected children, the mean age was 58.5 months, and
two of them (18%) had negative results. The ROC curve had an area under the curve
of 0.88 (95%CI 0.82-0.92; p<0.001), disclosing a predictive positive value of
81.8% for the test (95%CI 46.3-97.4). The assay sensitivity was 81.8% (95%CI
48.2-97.2) and the specificity was 98.8% (95%CI 96-99.8). Conclusions: In the present study, the QuantiFERON-TB Gold in Tube performance for diagnosing
M. tuberculosis infection was appropriate in a young pediatric population.
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Affiliation(s)
| | | | | | - Claudio Amaral Antonio
- Instituto Clemente Ferreira, Secretaria de Saude do Estado de Sao Paulo, Sao Paulo, SP, Brasil
| | - Lidia Yamamoto
- Instituto de Medicina Tropical, USP, Sao Paulo, SP, Brasil
| | - Sonia Regina T S Ramos
- Instituto da Crianca do Hospital das Clinicas, Faculdade de Medicina, USP, Sao Paulo, SP, Brasil
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Shi D, Huang J, Chuai Z, Chen D, Zhu X, Wang H, Peng J, Wu H, Huang Q, Fu W. Isothermal and rapid detection of pathogenic microorganisms using a nano-rolling circle amplification-surface plasmon resonance biosensor. Biosens Bioelectron 2014; 62:280-7. [DOI: 10.1016/j.bios.2014.06.066] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Revised: 06/25/2014] [Accepted: 06/25/2014] [Indexed: 10/25/2022]
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Ji M, Cho B, Cho YS, Park SY, Cho SN, Jeon BY, Yoon BS. Development of a quantitative sandwich enzyme-linked immunosorbent assay for detecting the MPT64 antigen of Mycobacterium tuberculosis. Yonsei Med J 2014; 55:746-52. [PMID: 24719143 PMCID: PMC3990075 DOI: 10.3349/ymj.2014.55.3.746] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 08/24/2013] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Tuberculosis (TB) is a major infectious disease and is responsible for two million deaths annually. For the identification and quantitation of Mycobacterium tuberculosis (M. tuberculosis), a causative agent of TB, a sandwich enzyme-linked immunosorbent assay (ELISA) against the MPT64 protein of M. tuberculosis, an antigen marker of the M. tuberculosis complex, was developed. MATERIALS AND METHODS The MPT64 protein was expressed, and anti-MPT64 monoclonal antibodies were prepared. A sandwich ELISA was established using recombinant MPT64 protein and anti-MPT64 monoclonal antibodies. The sandwich MPT64 ELISA was evaluated using reference and clinical mycobacterial strains. RESULTS The sandwich MPT64 ELISA detected MPT64 protein from 2.1 ng/mL to 250 ng/mL (equivalent to 1.7×10⁴ CFU/mL and 2.0×10⁶ CFU/mL). All 389 clinical M. tuberculosis isolates tested positive in the sandwich MPT64 ELISA (sensitivity, 100%), and the assay showed no cross reactivity to any tested nontuberculous mycobacterial strain (specificity, 100%). CONCLUSION The sandwich MPT64 ELISA is a highly sensitive and quantitative test for MPT64 protein, which can identify M. tuberculosis.
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Affiliation(s)
- Mijung Ji
- Department of Life Science, College of Natural Science, Kyonggi University, Suwon, Korea
- Biotech Laboratory, Standard Diagnostics., Yongin, Korea
| | - Byungki Cho
- Biotech Laboratory, Standard Diagnostics., Yongin, Korea
| | - Young Shik Cho
- Biotech Laboratory, Standard Diagnostics., Yongin, Korea
| | - Song-Yong Park
- Division of Biological Science and Technology, College of Science and Technology, Yonsei University, Wonju, Korea
| | - Sang-Nae Cho
- Department of Microbiology, Yonsei University College of Medicine, Seoul, Korea
| | - Bo-Young Jeon
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University, Wonju, Korea
| | - Byoung-Su Yoon
- Department of Life Science, College of Natural Science, Kyonggi University, Suwon, Korea
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Al-Zamel FA. Detection and diagnosis ofMycobacterium tuberculosis. Expert Rev Anti Infect Ther 2014; 7:1099-108. [DOI: 10.1586/eri.09.92] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Przybylski G, Gołda R. Research on the occurrence of Mycobacterium tuberculosis antigens in the circulating immune complexes, isolated from serum of patients with tuberculosis. Med Sci Monit 2014; 20:6-10. [PMID: 24384554 PMCID: PMC3890399 DOI: 10.12659/msm.889862] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background Tuberculosis is one of the most dangerous infectious diseases and has among the highest mortality rates of all infectious diseases. There are 9 million cases of active tuberculosis reported annually; however, an estimated one-third of the world’s population is infected with Mycobacterium tuberculosis and remains asymptomatic. Despite the great progress in its diagnosis and treatment, tuberculosis is still a serious health and social problem. The contact between the immune system and Mycobacterium tuberculosis initiates cell-specific (Th1) and humoral-specific (Th2) responses. Many studies about the presence of antituberculotic antibodies in the serum have produced inconsistent results because of a high proportion of false-positive or false-negative results. The purpose of this study was to confirm whether circulating immune complexes (CIC) isolated from the serum of patients with tuberculosis are accompanied by antigenic proteins typical of Mycobacterium tuberculosis. Material/Methods We assayed serum samples from 42 patients with tuberculosis. The control group consisted of the sera samples taken from 45 healthy subjects. The immunochemical analysis of dissociated immune complexes using the dot blot method demonstrated positive reaction on the presence of Mycobacterium tuberculosis antigens in all patients with tuberculosis. Results All patients with tuberculosis demonstrated a high serum concentration of CIC protein. The mean serum concentration of CIC protein was significantly higher in patients than in controls: 0.081 g/l in the control group and 0.211 g/l in the tuberculosis patients. Conclusions The analysis of CIC suggests that it may be a helpful test for patients with tuberculosis because of its quickness, simplicity of the idea, and limited invasiveness.
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Affiliation(s)
- Grzegorz Przybylski
- Departement of Pulmonary Diseases and Tuberculosis, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Ryszard Gołda
- Institute of Experimental Biology, Kazimierz Wielki University, Bydgoszcz, Poland
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Rachkov A, Patskovsky S, Soldatkin A, Meunier M. Surface plasmon resonance detection of oligonucleotide sequences of the rpoB genes of Mycobacterium tuberculosis. Talanta 2011; 85:2094-9. [PMID: 21872063 DOI: 10.1016/j.talanta.2011.07.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Revised: 07/01/2011] [Accepted: 07/09/2011] [Indexed: 11/19/2022]
Abstract
Oligonucleotide sequences related to the normal and mutated rpoB genes of Mycobacterium tuberculosis are detected using a surface plasmon resonance (SPR) biosensor system. A bioselective element was prepared by immobilizing the thiol-modified oligonucleotides of the selected sequence (the capture probe P2) that contains the mutated TCG→TTG codon 531 (evoking drug resistance) of the rpoB gene of M. tuberculosis on a gold sensor surface. Specific hybridization between immobilized probe P2 and complementary target T2 gave the highest sensor response, single-base mismatched oligonucleotide TN (corresponding to the normal gene sequence) produced somewhat smaller response and no response was observed at injection of noncomplementary oligonucleotide TC. The P2-T2 hybridization efficiency is calculated ca. 30% (5 × 10(12) molecules cm(-2)), and the lowest detection limit of T2 was 10nM. An extended T2E oligonucleotide sequence consisting of T2 sequence and additional 24 nucleotides was shown to cause more pronounced sensor response (at least 5 nM T2E was easily detected). Injection into the sensor cell of the oligonucleotides complementary to the free additional part of T2E after P2-T2E hybridization gave a significant additional SPR response, thus showing that the sandwich hybridization format further improves the sensor sensitivity and decreases the lowest detection limit. The experimental results on surface hybridization between the studied oligonucleotides were in good agreement with thermodynamic parameters of the hybridization calculated for solution conditions. The described approach could be proposed as a basis for creating a biosensor for real-time and label-free diagnostics of drug resistant tuberculosis.
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Affiliation(s)
- A Rachkov
- Institute of Molecular Biology and Genetics of National Academy of Sciences of Ukraine, 150 Academician Zabolotny Street, Kyiv 03143, Ukraine. oleksandr
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Wu Q, Fu Q, Chen Q, Cai Q, Fan Z, Zhan Z, Niu L, Pei H, Zhou P. Prokaryotic expression, identification and bioinformatics analysis of fbpB–esxA fusing gene from Mycobacterium tuberculosis. ASIAN PAC J TROP MED 2011; 4:530-4. [DOI: 10.1016/s1995-7645(11)60140-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Revised: 04/11/2011] [Accepted: 06/15/2011] [Indexed: 10/17/2022] Open
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Banday KM, Pasikanti KK, Chan ECY, Singla R, Rao KVS, Chauhan VS, Nanda RK. Use of Urine Volatile Organic Compounds To Discriminate Tuberculosis Patients from Healthy Subjects. Anal Chem 2011; 83:5526-34. [DOI: 10.1021/ac200265g] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Khalid Muzaffar Banday
- Immunology Group, International Center for Genetic Engineering and Biotechnology, New Delhi, India 110067
| | - Kishore Kumar Pasikanti
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543
| | - Eric Chun Yong Chan
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543
| | - Rupak Singla
- Department of Tuberculosis and Respiratory Diseases, Lala Ram Sarup Institute of Tuberculosis and Respiratory Diseases, New Delhi, India 110030
| | - Kanury Venkata Subba Rao
- Immunology Group, International Center for Genetic Engineering and Biotechnology, New Delhi, India 110067
| | - Virander Singh Chauhan
- Malaria Group, International Center for Genetic Engineering and Biotechnology, New Delhi, India 110067
| | - Ranjan Kumar Nanda
- Immunology Group, International Center for Genetic Engineering and Biotechnology, New Delhi, India 110067
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Göransson J, Zardán Gómez De La Torre T, Strömberg M, Russell C, Svedlindh P, Strømme M, Nilsson M. Sensitive Detection of Bacterial DNA by Magnetic Nanoparticles. Anal Chem 2010; 82:9138-40. [DOI: 10.1021/ac102133e] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jenny Göransson
- Ångström Laboratory, Department of Engineering Sciences, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden, and Rudbeck Laboratory, Department of Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Teresa Zardán Gómez De La Torre
- Ångström Laboratory, Department of Engineering Sciences, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden, and Rudbeck Laboratory, Department of Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Mattias Strömberg
- Ångström Laboratory, Department of Engineering Sciences, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden, and Rudbeck Laboratory, Department of Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Camilla Russell
- Ångström Laboratory, Department of Engineering Sciences, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden, and Rudbeck Laboratory, Department of Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Peter Svedlindh
- Ångström Laboratory, Department of Engineering Sciences, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden, and Rudbeck Laboratory, Department of Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Maria Strømme
- Ångström Laboratory, Department of Engineering Sciences, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden, and Rudbeck Laboratory, Department of Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Mats Nilsson
- Ångström Laboratory, Department of Engineering Sciences, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden, and Rudbeck Laboratory, Department of Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
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Hristea A, Otelea D, Paraschiv S, Macri A, Baicus C, Moldovan O, Tinischi M, Arama V, Streinu-Cercel A. Detection of Mycobacterium tuberculosis resistance mutations to rifampin and isoniazid by real-time PCR. Indian J Med Microbiol 2010; 28:211-6. [DOI: 10.4103/0255-0857.66474] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Phillips M, Basa-Dalay V, Bothamley G, Cataneo RN, Lam PK, Natividad MPR, Schmitt P, Wai J. Breath biomarkers of active pulmonary tuberculosis. Tuberculosis (Edinb) 2010; 90:145-51. [PMID: 20189456 DOI: 10.1016/j.tube.2010.01.003] [Citation(s) in RCA: 152] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Revised: 01/18/2010] [Accepted: 01/26/2010] [Indexed: 11/30/2022]
Abstract
BACKGROUND Volatile organic compounds (VOCs) in breath may contain biomarkers of active pulmonary tuberculosis derived from the infectious organism (metabolites of Mycobacterium tuberculosis) and from the infected host (products of oxidative stress). METHODS We analyzed breath VOCs in 226 symptomatic high-risk patients in USA, Philippines, and UK, using gas chromatography/mass spectroscopy. Diagnosis of disease was based on sputum culture, smear microscopy, chest radiography and clinical suspicion of tuberculosis (CSTB). Chromatograms were converted to a series of 8s overlapping time slices. Biomarkers of active pulmonary tuberculosis were identified with a Monte Carlo analysis of time-slice alveolar gradients (abundance in breath minus abundance in room air). RESULTS Breath VOCs contained apparent biomarkers of active pulmonary tuberculosis comprising oxidative stress products (alkanes and alkane derivatives) and volatile metabolites of M. tuberculosis (cyclohexane and benzene derivatives). Breath biomarkers identified active pulmonary tuberculosis with C-statistic (area under curve of receiver operating characteristic)=0.85 (i.e. 85% overall accuracy, sensitivity=84.0%, specificity=64.7%) when sputum culture, microscopy, and chest radiography were either all positive or all negative. Employing a single criterion of disease, C-statistic=0.76 (smear microscopy), 0.68 (sputum culture), 0.66 (chest radiography) and 0.65 (CSTB). CONCLUSION A breath test identified apparent biomarkers of active pulmonary tuberculosis with 85% accuracy in symptomatic high-risk subjects.
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Affiliation(s)
- Michael Phillips
- Menssana Research Inc., 1 Horizon Road, Suite 1415, Fort Lee, NJ 07024-6510, USA.
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Lima JFDC, Montenegro LML, Montenegro RDA, Cabral MML, Lima AS, Abath FGC, Schindler HC. Performance of nested PCR in the specific detection of Mycobacterium tuberculosis complex in blood samples of pediatric patients. J Bras Pneumol 2010; 35:690-7. [PMID: 19669008 DOI: 10.1590/s1806-37132009000700011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2008] [Accepted: 01/22/2009] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVE To evaluate the performance of nested PCR (nPCR) in detecting the Mycobacterium tuberculosis complex in blood samples of patients suspected of having TB, in order to determine its potential for use as an auxiliary tool in the laboratory diagnosis of TB in children. METHODS Detection of the M. tuberculosis complex in blood samples using as a target the insertion sequence IS6110 of the genomic DNA of the bacillus. Blood samples of 120 patients were evaluated. All of the patients were under 15 years of age at the time of their treatment at public hospitals in the city of Recife, Brazil (between January of 2003 and August of 2005). Attending physicians at the hospitals diagnosed TB based on the criteria recommended by the American Thoracic Society. The nPCR amplified a 123-bp fragment with outer oligonucleotides (IS1/IS2) and, in the subsequent reaction, using inner oligonucleotides (IS3/IS4), generating an 81-bp amplicon. RESULTS Active or latent TB was found in 65 patients, TB was ruled out in 28 suspected cases, and 27 patients were TB-free (controls). The sensitivity of nPCR was 26.15% and was significantly higher for the extrapulmonary form of the disease (55.56%) than for the pulmonary form (18.18%). The specificity was 92.73%. CONCLUSIONS Despite the difficulties in diagnosing TB in children and the low number of cases evaluated in the present study, nPCR in blood samples proved to be a rapid and specific technique, albeit one with low sensitivity. In order to establish its true usefulness in the diagnosis of paucibacillary forms, especially extrapulmonary TB, further studies need to be carried out with a larger sample of children and analyzing biological specimens other than blood.
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Analysis of fatty acids in sputum from patients with pulmonary tuberculosis using gas chromatography-mass spectrometry preceded by solid-phase microextraction and post-derivatization on the fiber. J Chromatogr A 2008; 1216:1450-7. [PMID: 19171347 DOI: 10.1016/j.chroma.2008.12.039] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2008] [Revised: 12/09/2008] [Accepted: 12/17/2008] [Indexed: 11/23/2022]
Abstract
A method based on solid-phase microextraction (SPME) and post-derivatization on the fiber coupled to gas chromatography-mass spectrometry (GC-MS) was developed for the analysis of fatty acids in sputum from patients with pulmonary tuberculosis. The sputum specimens were digested, hydrolyzed, extracted, derivertized, injected and analyzed without cultivation or isolation of the microorganism. Under optimized conditions, the relative standard deviations (RSD, n=5) for all analytes were below 17% and the limits of detection varied from 1.68 (C(24:0)) to 150.4 microg L(-1) (C(12:0)). Good linearity was observed for all the fatty acids studied except for C(12:0) within a wide concentration range of three orders of magnitudes with the correlation coefficients ranging from 0.91 (C(24:0)) to 0.99 (C(14:0)). Fatty acids in sputum specimens from 21 persons were directly analyzed using the proposed method. The results show that in all the sputum specimens from patients, who were clinically diagnosed with tuberculosis (TB), tuberculosis stearic acid (TBSA) was detected, while in all the sputum samples from persons without TB, TBSA was not found. The possibility of using the proposed method to detect mycobacterium tuberculosis (MTB) via the identification of TBSA in sputum was discussed. The comparison with other methods including sputum culture and microscopy of direct smears indicated that the proposed method is fast and sensitive for the analysis of fatty acids in sputum and offers an alternative for the detection of MTB in sputum.
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Adams KL, Steele PT, Bogan MJ, Sadler NM, Martin SI, Martin AN, Frank M. Reagentless detection of Mycobacteria tuberculosis H37Ra in respiratory effluents in minutes. Anal Chem 2008; 80:5350-7. [PMID: 18558726 DOI: 10.1021/ac8002825] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Two similar mycobacteria, Mycobacteria tuberculosis H37Ra and Mycobacteria smegmatis are rapidly detected and identified within samples containing a complex background of respiratory effluents using single-particle aerosol mass spectrometry (SPAMS). M. tuberculosis H37Ra (TBa), an avirulent strain, is used as a surrogate for virulent tuberculosis; M. smegmatis (MSm) is utilized as a near-neighbor confounder for TBa. Bovine lung surfactant and human exhaled breath condensate are used as first-order surrogates for infected human lung expirations from patients with pulmonary tuberculosis. This simulated background sputum is mixed with TBa or MSm and nebulized to produce conglomerate aerosol particles, single particles that contain a bacterium embedded within a background respiratory matrix. Mass spectra of single conglomerate particles exhibit ions associated with both respiratory effluents and mycobacteria. Spectral features distinguishing TBa from MSm in pure and conglomerate particles are shown. SPAMS pattern matching alarm algorithms are able to distinguish TBa-containing particles from background matrix and MSm for >50% of the test particles, which is sufficient to enable a high probability of detection and a low false alarm rate if an adequate number of such particles are present. These results indicate the potential usefulness of SPAMS for rapid, reagentless tuberculosis screening.
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Affiliation(s)
- Kristl L Adams
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
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Lu CC, Lai HC. Current Dilemma and Developments in the Diagnosis of Mycobacterium tuberculosis Infection. J Formos Med Assoc 2008; 107:353-4. [DOI: 10.1016/s0929-6646(08)60099-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Jung CL, Kim MK, Seo DC, Lee MA. Clinical Usefulness of Real-time PCR and Amplicor MTB PCR Assays for Diagnosis of Tuberculosis. ACTA ACUST UNITED AC 2008. [DOI: 10.5145/kjcm.2008.11.1.29] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Chae Lim Jung
- Department of Laboratory Medicine, School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea
| | - Mi Kyung Kim
- Department of Laboratory Medicine, School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea
| | - Dong Chun Seo
- Department of Laboratory Medicine, School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea
| | - Mi Ae Lee
- Department of Laboratory Medicine, School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea
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