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El Aamri M, Baachaoui S, Mohammadi H, Raouafi N, Amine A. Smartphone-based device for rapid and single-step detection of piRNA-651 using anti-DNA:RNA hybrid antibody and enzymatic signal amplification. Anal Chim Acta 2024; 1305:342583. [PMID: 38677845 DOI: 10.1016/j.aca.2024.342583] [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: 05/17/2023] [Revised: 04/01/2024] [Accepted: 04/04/2024] [Indexed: 04/29/2024]
Abstract
P-element-induced wimpy testis (PIWI)-interacting RNAs (piRNAs/piRs) are a class of small noncoding RNAs that play a crucial role in regulating various biological processes, including carcinogenesis. One specific piRNA, piR-651, has been reported to be overexpressed in both human blood serum and solid cancer tissues, that can be used a viable biomarker in cancer diagnosis. Early diagnosis of cancer can help reduce the burden of the disease and improve survival rates. In the present work, we report for the first time a smartphone-based colorimetric biosensor for highly sensitive and specific detection of piR-651 thanks to an enzymatic signal amplification, which yielded high colorimetric intensities. Indeed, a heteroduplex DNA:RNA was formed in the presence of piR-651 with the capture DNA probe immobilized on the magnetic beads for easy magnetic separation. Then, a HRP tethered to anti-DNA:RNA (S9.6) was used to reveal the DNA-RNA heteroduplex formed by catalyzing the oxidation of TMB substrate into colorimetric TMBox, which absorbs at 630 nm. The absorbance is positively proportional to the piR-651 concentrations. On the other hand, the colorimetric product of the assay can be photographed with a smartphone camera and analyzed using ImageJ software. Using a smartphone and under optimal conditions, the biosensor responded linearly to the logarithm of piRNA-651 from 8 fM to 100 pM with a detection limit of 2.3 fM and discriminates against other piRNAs. It was also successfully applied to the determination of piRNA-651 levels in spiked human serum.
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Affiliation(s)
- Maliana El Aamri
- Hassan II University of Casablanca, Faculty of Sciences and Techniques, Laboratory of Process Engineering and Environment, Chemical Analysis and Biosensors Group, P.A 146, Mohammedia, Morocco
| | - Sabrine Baachaoui
- University of Tunis El Manar, Faculty of Science, Chemistry Department, Analytical Chemistry and Electrochemistry Lab (LR99ES15), Sensors and Biosensors Group, Tunis El Manar, 2092, Tunisia
| | - Hasna Mohammadi
- Hassan II University of Casablanca, Faculty of Sciences and Techniques, Laboratory of Process Engineering and Environment, Chemical Analysis and Biosensors Group, P.A 146, Mohammedia, Morocco
| | - Noureddine Raouafi
- University of Tunis El Manar, Faculty of Science, Chemistry Department, Analytical Chemistry and Electrochemistry Lab (LR99ES15), Sensors and Biosensors Group, Tunis El Manar, 2092, Tunisia.
| | - Aziz Amine
- Hassan II University of Casablanca, Faculty of Sciences and Techniques, Laboratory of Process Engineering and Environment, Chemical Analysis and Biosensors Group, P.A 146, Mohammedia, Morocco.
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Wang P, Wei X, Shen L, Xu K, Wen Z, Gao N, Fan T, Xun S, Zhu Q, Qu X, Zhu Y. Amplification-Free Analysis of Bladder Cancer MicroRNAs on Wrinkled Silica Nanoparticles with DNA-Functionalized Quantum Dots. Anal Chem 2024; 96:4860-4867. [PMID: 38478499 DOI: 10.1021/acs.analchem.3c05204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Bladder cancer (BC) occurrence and progression are accompanied by alterations in microRNAs (miRNAs) expression levels. Simultaneous detection of multiple miRNAs contributes to the accuracy and reliability of the BC diagnosis. In this work, wrinkled silica nanoparticles (WSNs) were applied as the microreactor for multiplex miRNAs analysis without enzymes or nucleic acid amplification. Conjugated on the surface of WSNs, the S9.6 antibody was adopted as the universal module for binding DNA/miRNA duplexes, regardless of their sequence. Furthermore, single-stranded DNA (ssDNA) was labeled with quantum dots (QDs) for identifying a given miRNA to form QDs-ssDNA/miRNA, which enabled the specific capture of the corresponding QDs on the wrinkled surface of WSNs. Based on the detection of fluorescence signals that were ultimately focused on WSNs, target miRNAs could be sensitively identified to a femtomolar level (5 fM) with a wide dynamic range of up to 6 orders of magnitude. The proposed strategy achieved high specificity to obviously distinguish single-base mutation sequences and possessed multiplex assay capability. Moreover, the assay exhibited excellent practicability in the multiplex detection of miRNAs in clinical serum specimens.
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Affiliation(s)
- Pei Wang
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Xiaowei Wei
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Luming Shen
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Kexin Xu
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Zhongting Wen
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Nengjiao Gao
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Ting Fan
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Shenmei Xun
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Qingyi Zhu
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Xiaojun Qu
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Yefei Zhu
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
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Hilda L, Mutlaq MS, Waleed I, Althomali RH, Mahdi MH, Abdullaev SS, Singh R, Nasser HA, Mustafa YF, Alawadi AHR. Genosensor on-chip paper for point of care detection: A review of biomedical analysis and food safety application. Talanta 2024; 268:125274. [PMID: 37839324 DOI: 10.1016/j.talanta.2023.125274] [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: 05/15/2023] [Revised: 10/01/2023] [Accepted: 10/03/2023] [Indexed: 10/17/2023]
Abstract
Over the last decade, paper-based biosensing has attracted considerable attention in numerous fields due to several advantages of them. To elaborate, using paper as a substrate of sensing approaches can be considered an affordable sensing approach owing to low cost of paper, and alongside that, the ability to operate without requiring external equipment. In many cases, cost-effective fabrication techniques such as screen printed and drop casting can be supposed as other benefits of these platforms. Despite the portability and affordability of paper-based assay, two important limitations including sensitivity and selectivity can decrease the application of these sensing approaches. Initially, decoration of paper substrate with nanomaterials (NMs) can improve the properties of paper due to high surface area and conductivity of them. Secondly, the presence of bioreceptors can provide a selective detection platform. Among different bioreceptors, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) can play a significant role. From this perspective, paper-based biosensors can be used for the detection of various gens which related to biomedical or food safety. In this review, we attempted to summarize recent trends and applications of paper-based genosensor, along with critical arguments in terms of NMs role in signal amplification. Furthermore, the lack of paper-based genosensors in field the of biomedical and food safety will be discussed in the following.
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Affiliation(s)
- Lelya Hilda
- Department of Chemistry, Universitas Islam Negeri Syekh Ali Hasan Ahmad Addary Padangsidimpuan, Padangsidimpuan, Indonesia.
| | - Maysam Salih Mutlaq
- Department of Radiology & Sonar Techniques, AlNoor University College, Nineveh, Iraq
| | | | - Raed H Althomali
- Department of Chemistry, Prince Sattam Bin Abdulaziz University, College of Arts and Science, Wadi Al-Dawasir, 11991, Saudi Arabia
| | | | - Sherzod Shukhratovich Abdullaev
- Faculty of Chemical Engineering, New Uzbekistan University, Tashkent, Uzbekistan; Department of Chemical Engineering, Central Asian University, Tashkent, Uzbekistan; Scientific and Innovation Department, Tashkent State Pedagogical University named after Nizami, Tashkent, Uzbekistan
| | - Rajesh Singh
- Department of Electronics & Communication Engineering, Uttaranchal Institute of Technology, Uttaranchal University, Dehradun, 248007, India
| | | | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, 41001, Iraq
| | - Ahmed H R Alawadi
- Building and Construction Technical Engineering Department, College of Technical Engineering, The Islamic university, Najaf, Iraq
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El Aamri M, Mohammadi H, Amine A. A highly sensitive colorimetric DNA sensor for MicroRNA-155 detection: leveraging the peroxidase-like activity of copper nanoparticles in a double amplification strategy. Mikrochim Acta 2023; 191:32. [PMID: 38102528 DOI: 10.1007/s00604-023-06087-1] [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: 09/22/2023] [Accepted: 11/06/2023] [Indexed: 12/17/2023]
Abstract
A novel and highly sensitive colorimetric DNA sensor for determination of miRNA-155 at attomolar levelsis presented that combines the peroxidase-like activity of copper nanoparticles (CuNPs) with the hybridization chain reaction (HCR) . The utilization of CuNPs offers advantages such as strong interaction with double-stranded DNA, excellent molecular recognition, and mimic catalytic activity. Herein, a capture probe DNA (P1) was immobilized on carboxylated magnetic beads (MBs), allowing for amplified immobilization due to the 3D surface. Subsequently, the presence of the target microRNA-155 led to the formation of a sandwich structure (P2/microRNA-155/P1/MBs) when P2 was introduced to the modified P1/MBs. The HCR reaction was then triggered by adding H1 and H2 to create a super sandwich (H1/H2)n. Following this, Cu2+ ions were attracted to the negatively charged phosphate groups of the (H1/H2)n and reduced by ascorbic acid, resulting in the formation of CuNPs, which were embedded into the grooves of the (H1/H2)n. The peroxidase-like activity of CuNPs catalyzed the oxidation reaction of 3,3',5,5'-Tetramethylbenzidine (TMB), resulting in a distinct blue color measured at 630 nm. Under optimal conditions, the colorimetric biosensor exhibited a linear response to microRNA-155 concentrations ranging from 80 to 500 aM, with a detection limit of 22 aM, and discriminate against other microRNAs. It was also successfully applied to the determination of microRNA-155 levels in spiked human serum.
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Affiliation(s)
- Maliana El Aamri
- Faculty of Sciences and Techniques, Laboratory of Process Engineering and Environment, Chemical Analysis and Biosensors Group, Hassan II University of Casablanca, P.A 146, Mohammedia, Morocco
| | - Hasna Mohammadi
- Faculty of Sciences and Techniques, Laboratory of Process Engineering and Environment, Chemical Analysis and Biosensors Group, Hassan II University of Casablanca, P.A 146, Mohammedia, Morocco
| | - Aziz Amine
- Faculty of Sciences and Techniques, Laboratory of Process Engineering and Environment, Chemical Analysis and Biosensors Group, Hassan II University of Casablanca, P.A 146, Mohammedia, Morocco.
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El Aamri M, Khalki Y, Mohammadi H, Amine A. Development of an Innovative Colorimetric DNA Biosensor Based on Sugar Measurement. BIOSENSORS 2023; 13:853. [PMID: 37754087 PMCID: PMC10526849 DOI: 10.3390/bios13090853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/28/2023]
Abstract
The development of biosensors for target detection plays a crucial role in advancing various fields of bioscience. This work presents the development of a genosensor that exploits the colorimetric phenol-sulfuric acid sugar reaction for the detection of DNA, and RNA as specific targets, and DNA intercalator molecules. The biosensor combines simplicity and reliability to create a novel bioassay for accurate and rapid analysis. A 96-well microplate based on a polystyrene polymer was used as the platform for an unmodified capture DNA immobilization via a silanization process and with (3-Aminopropyl) triethoxysilane (APTES). After that, a hybridization step was carried out to catch the target molecule, followed by adding phenol and sulfuric acid to quantify the amount of DNA or RNA sugar backbone. This reaction generated a yellow-orange color on the wells measured at 490 nm, which was proportional to the target concentration. Under the optimum conditions, a calibration curve was obtained for each target. The developed biosensor demonstrated high sensitivity, good selectivity, and linear response over a wide concentration range for DNA and RNA targets. Additionally, the biosensor was successfully employed for the detection of DNA intercalator agents that inhibited the hybridization of DNA complementary to the immobilized capture DNA. The developed biosensor offers a potential tool for sensitive and selective detection in various applications, including virus diagnosis, genetic analysis, pathogenic bacteria monitoring, and drug discovery.
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Affiliation(s)
| | | | | | - Aziz Amine
- Laboratory of Process Engineering & Environment, Faculty of Sciences and Techniques, Hassan II, University of Casablanca, B.P.146, Mohammedia 28806, Morocco; (M.E.A.); (Y.K.); (H.M.)
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Chahri I, Karrat A, Mohammadi H, Amine A. Development of a New Route for the Immobilization of Unmodified Single-Stranded DNA on Chitosan Beads and Detection of Released Guanine after Hydrolysis. Molecules 2023; 28:molecules28052088. [PMID: 36903335 PMCID: PMC10004340 DOI: 10.3390/molecules28052088] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/14/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
In this work, chitosan beads were used as a cost-effective platform for the covalent immobilization of unmodified single-stranded DNA, using glutaraldehyde as a cross-linking agent. The immobilized DNA capture probe was hybridized in the presence of miRNA-222 as a complementary sequence. The target was evaluated based on the electrochemical response of the released guanine, using hydrochloride acid as a hydrolysis agent. Differential pulse voltammetry technique and screen-printed electrodes modified with COOH-functionalized carbon black were used to monitor the released guanine response before and after hybridization. The functionalized carbon black provided an important signal amplification of guanine compared to the other studied nanomaterials. Under optimal conditions (6 M HCl at 65 °C for 90 min), an electrochemical-based label-free genosensor assay exhibited a linear range between 1 nM and 1 µM of miRNA-222, with a detection limit of 0.2 nM of miRNA-222. The developed sensor was successfully used to quantify miRNA-222 in a human serum sample.
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Baachaoui S, Mastouri M, Meftah M, Yaacoubi-Loueslati B, Raouafi N. A Magnetoelectrochemical Bioassay for Highly Sensitive Sensing of Point Mutations in Interleukin-6 Gene Using TMB as a Hybridization Intercalation Indicator. BIOSENSORS 2023; 13:240. [PMID: 36832006 PMCID: PMC9954083 DOI: 10.3390/bios13020240] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/02/2023] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
Point mutations are common in the human DNA genome and are closely related to higher susceptibility to cancer diseases. Therefore, suitable methods for their sensing are of general interest. In this work, we report on a magnetic electrochemical bioassay using DNA probes tethered to streptavidin magnetic beads (strep-MBs) to detect T > G single nucleotide polymorphism (SNP) within the inteleukin-6 (IL6) gene in human genomic DNA. In the presence of the target DNA fragment and tetramethylbenzidine (TMB), the electrochemical signal related to the oxidation of TMB is observed, which is much higher than the one obtained in the absence of the target. The key parameters affecting the analytical signal, such as the concentration of the biotinylated probe, its incubation time with strep-MBs, DNA hybridization time, and TMB loading, were optimized using the electrochemical signal intensity and signal-to-blank (S/B) ratio as selection criteria. Using spiked buffer solutions, the bioassay can detect the mutated allele in a wide range of concentrations (over six decades) with a low detection limit (7.3 fM). Furthermore, the bioassay displays a high specificity with high concentrations of the major allele (one mismatched), and two mismatched and non-complementary DNA. More importantly, the bioassay can detect the variation in scarcely diluted human DNA, collected from 23 donors, and can reliably distinguish between heterozygous (TG genotype) and homozygous (GG genotype) in respect to the control subjects (TT genotype), where the differences are statistically highly significant (p-value < 0.001). Thus, the bioassay is useful for cohort studies targeting one or more mutations in human DNA.
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Affiliation(s)
- Sabrine Baachaoui
- Sensors and Biosensors Group, Laboratory of Analytical Chemistry and Electrochemistry (LR99ES15), Chemistry Department, Faculty of Science, University of Tunis El Manar, Tunis 2092, Tunisia
| | - Mohamed Mastouri
- Sensors and Biosensors Group, Laboratory of Analytical Chemistry and Electrochemistry (LR99ES15), Chemistry Department, Faculty of Science, University of Tunis El Manar, Tunis 2092, Tunisia
| | - Maroua Meftah
- Sensors and Biosensors Group, Laboratory of Analytical Chemistry and Electrochemistry (LR99ES15), Chemistry Department, Faculty of Science, University of Tunis El Manar, Tunis 2092, Tunisia
| | - Basma Yaacoubi-Loueslati
- Laboratory of Mycology, Pathologies and Biomarkers (LR16ES15), Biology Department, Faculty of Science, University of Tunis El Manar, Tunis 2092, Tunisia
| | - Noureddine Raouafi
- Sensors and Biosensors Group, Laboratory of Analytical Chemistry and Electrochemistry (LR99ES15), Chemistry Department, Faculty of Science, University of Tunis El Manar, Tunis 2092, Tunisia
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