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Resmi PE, Aarathi P, Suneesh PV, Ramachandran T, Bipin GN, Satheesh BTG. Development of a µPAD for the point-of-care testing of serum glutamic oxaloacetic transaminase (SGOT). Mikrochim Acta 2024; 191:619. [PMID: 39320528 DOI: 10.1007/s00604-024-06678-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Accepted: 09/02/2024] [Indexed: 09/26/2024]
Abstract
A wax-patterned paper analytical device (µPAD) has been developed for point-of-care colourimetric testing of serum glutamic oxaloacetic transaminase (SGOT). The detection method was based on the transamination reaction of aspartate with α-ketoglutarate, leading to the formation of oxaloacetate which reacts with the reagent Fast Blue BB salt and forms a cavern pink colour. The intensity of the cavern pink colour grows as the concentration of SGOT increases. UV-visible spectroscopy was utilized to optimize reaction conditions, and the optimized reagents were dropped onto the wax-patterned paper. The coloured PADs, after the addition of SGOT, have been photographed, and a colour band has been generated to correlate the SGOT concentration visually. The images were used to calculate the intensity values using ImageJ software, which inturn was used to calculate the SGOT concentration. The PADs were also tested with serum samples, and SGOT spiked serum samples. The PAD could detect the SGOT concentration ranging from 5 to 200 U/L. The analysis yielded highly accurate results with less than 6% relative error compared to the clinical sample. This colourimetric test demonstrated exceptional selectivity in the presence of other biomolecules in the blood serum, with a detection limit of 2.77 U/L and a limit of quantification of 9.25 U/L. Additionally, a plasma separation membrane was integrated with the PAD to directly test SGOT from finger-prick blood samples.
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Grants
- Sanction no. 102/IFD/SAN/2238/2016-17 dated 30/8/2016, and 102/IFD/SAN/1555/2018-2019 dated 13/6/2018. Department of Biotechnology (DBT), India
- Sanction no. 102/IFD/SAN/2238/2016-17 dated 30/8/2016, and 102/IFD/SAN/1555/2018-2019 dated 13/6/2018. Department of Biotechnology (DBT), India
- Sanction no. 102/IFD/SAN/2238/2016-17 dated 30/8/2016, and 102/IFD/SAN/1555/2018-2019 dated 13/6/2018. Department of Biotechnology (DBT), India
- Sanction no. 102/IFD/SAN/2238/2016-17 dated 30/8/2016, and 102/IFD/SAN/1555/2018-2019 dated 13/6/2018. Department of Biotechnology (DBT), India
- Sanction no. 102/IFD/SAN/2238/2016-17 dated 30/8/2016, and 102/IFD/SAN/1555/2018-2019 dated 13/6/2018. Department of Biotechnology (DBT), India
- Sanction no. 102/IFD/SAN/2238/2016-17 dated 30/8/2016, and 102/IFD/SAN/1555/2018-2019 dated 13/6/2018. Department of Biotechnology (DBT), India
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Affiliation(s)
- P E Resmi
- Department of Chemistry, Amrita School of Physical Sciences Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
| | - Pradeep Aarathi
- Department of Chemistry, Amrita School of Physical Sciences Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
| | - P V Suneesh
- Department of Chemistry, Amrita School of Physical Sciences Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
| | - T Ramachandran
- Department of Chemistry, Amrita School of Physical Sciences Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
| | - G Nair Bipin
- Amrita School of Biotechnology Amritapuri, Amrita Vishwa Vidyapeetham, Kollam, 690525, India
| | - Babu T G Satheesh
- Department of Chemistry, Amrita School of Physical Sciences Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India.
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India.
- Amrita Biomedical Engineering Centre, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India.
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Lewis JH, Korkmaz SY, Rizk CA, Copeland MJ. Diagnosis, prevention and risk-management of drug-induced liver injury due to medications used to treat mycobacterium tuberculosis. Expert Opin Drug Saf 2024; 23:1093-1107. [PMID: 39212296 DOI: 10.1080/14740338.2024.2399074] [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: 04/16/2024] [Revised: 07/19/2024] [Accepted: 08/22/2024] [Indexed: 09/04/2024]
Abstract
INTRODUCTION Many of the first line medications for the treatment of active and latent M. tuberculosis are hepatoxic and cause a spectrum of anti-tuberculosis drug induced liver injury (ATLI), including acute liver failure (ALF). Despite advances in recognition of and prevention of ATLI, isoniazid remains one of the leading causes of DILI as well as drug-induced ALF. AREAS COVERED A literature search of the incidence, risk factors, current societal guidelines, monitoring, and prophylactic medication usage in ATLI was performed using PubMed and institutional websites. Relevant articles from 1972 to 2024 were included in this review. EXPERT OPINION Current societal guidelines regarding ATLI monitoring are mixed, but many recommend liver enzyme testing of high-risk populations. We recommend liver test monitoring for all patients on multi-drug therapy as well as those on isoniazid therapy. Precision medicine practices, such as N-acetyltransferase-2 polymorphism genotyping, are thought to be beneficial in reducing the incidence of ATLI in high-risk populations. However, broader implementation is currently cost prohibitive. Hepatoprotective drugs are not currently recommended, although we do recognize their potential. In patients who develop ATLI but require ongoing anti-TB treatment, strategies to restart the same or less hepatotoxic regimens are currently being followed.
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Affiliation(s)
- James H Lewis
- Department of Medicine, Division of Gastroenterology-Hepatology, Medstar Georgetown University Hospital, Washington, DC, USA
| | - Serena Y Korkmaz
- Department of Medicine, General Internal Medicine, Medstar Georgetown University Hospital, Washington, DC, USA
| | - Courtney A Rizk
- Department of Medicine, General Internal Medicine, Medstar Georgetown University Hospital, Washington, DC, USA
| | - Matthew J Copeland
- Department of Medicine, Division of Infectious Diseases, Washington, DC, USA
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Adjoumani JJY, Abasubong KP, Zhang L, Liu WB, Li XF, Desouky HE. Metformin attenuates high-carbohydrate diet-induced redox imbalance, inflammation, and mitochondrial dysfunction in Megalobrama amblycephala. FISH PHYSIOLOGY AND BIOCHEMISTRY 2024:10.1007/s10695-024-01386-7. [PMID: 39073620 DOI: 10.1007/s10695-024-01386-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
This study aimed to investigate the effects of dietary metformin supplementation on the redox balance, inflammation, mitochondrial biogenesis, and function in blunt snout bream fed a high-carbohydrate (HC) diet. Fish (45.12 ± 0.36 g) were randomly offered four diets, including a control diet (33% carbohydrate), an HC diet (45% carbohydrate), and the HC diet supplemented with 0.06% (HCM1) and 0.12% (HCM2) metformin respectively for 12 weeks. Compared with the control, feeding the HC diet significantly increased the hepatosomatic index (HSI), the mesenteric fat index, liver and muscle glycogen contents, liver and adipose tissue lipid contents, plasma glucose and glycation end products (AGES) levels and aspartate transaminase activity, plasma and liver malondialdehyde (MDA) contents, hepatic adenosine triphosphate (ATP) and adenosine monophosphate (AMP) contents, mitochondrial cytochrome c content, mitochondrial complex IV activity and ATP 6 transcription, but decreased plasma catalase (CAT) activity, muscle superoxide dismutase (SOD) activity, hepatic antioxidant enzymes activities, and the transcriptions of transforming growth factor β (tgfβ) and interleukin 10 (il10). Compared with the HC group, metformin treatment (especially the HCM2 group) significantly elevated tissue glycogen contents, muscle SOD activity, plasma and liver antioxidant enzymes activities, the transcriptions of tgfβ and il10, the sodium/potassium ATPase activity, the contents of mitochondrial protein and AMP, the level of p-AMP activated protein kinase (AMPK), and the p-AMPK/t-AMPK ratio, but lowered the HSI, tissue lipid contents, plasma levels of glucose, AGES and glycated serum protein, plasma, and liver MDA contents, the transcriptions of il1β, NADH dehydrogenase subunit 1 and ATP 6, the contents of ATP and cytochrome c, the ATP/AMP ratio, and the activities of complexes I and IV. In conclusion, metformin could attenuate the HC diet-induced redox imbalance, inflammation, and mitochondrial dysfunction in blunt snout bream.
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Affiliation(s)
- Jean-Jacques Yao Adjoumani
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, People's Republic of China
| | - Kenneth Prudence Abasubong
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, People's Republic of China
| | - Ling Zhang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, People's Republic of China
| | - Wen-Bin Liu
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, People's Republic of China
| | - Xiang-Fei Li
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, People's Republic of China.
| | - Hesham Eed Desouky
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, People's Republic of China
- Department of Animal and Poultry Production, Faculty of Agriculture, Damanhour University, Damanhour, 22713, Beheria, Egypt
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4
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Pathan SU, Kharwar A, Ibrahim MA, Singh SB, Bajaj P. Enzymes as indispensable markers in disease diagnosis. Bioanalysis 2024; 16:485-497. [PMID: 38530222 PMCID: PMC11216522 DOI: 10.4155/bio-2023-0207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 03/05/2024] [Indexed: 03/27/2024] Open
Abstract
Enzymes have been used for disease diagnosis for many decades; however, advancements in technology like ELISA and flow cytometry-based detection have significantly increased their use and have increased the sensitivity of detection. Technological advancements in recombinant enzyme production have increased enzymatic stability, and the use of colorimetric-based and florescence-based assays has led to their increased use as biomarkers for disease detection. Enzymes like acid phosphatase, cathepsin, lactate dehydrogenase, thymidine kinase and creatine kinase are indispensable markers for diagnosing cancer, cardiovascular diseases and others. This minireview summarizes various enzymes used in disease diagnosis, their metabolic role, market value and potential as disease markers across various metabolic and other disorders.
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Affiliation(s)
- Shehabaz Usman Pathan
- National Institute of Pharmaceutical Education & Research, Balanagar, Hyderabad, 500037, India
| | - Akash Kharwar
- National Institute of Pharmaceutical Education & Research, Balanagar, Hyderabad, 500037, India
| | - Madaje Amir Ibrahim
- National Institute of Pharmaceutical Education & Research, Balanagar, Hyderabad, 500037, India
| | - Shashi Bala Singh
- National Institute of Pharmaceutical Education & Research, Balanagar, Hyderabad, 500037, India
| | - Priyanka Bajaj
- National Institute of Pharmaceutical Education & Research, Balanagar, Hyderabad, 500037, India
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Sang J, Cheng J, Hu H, Liu K, Guo J, Guo J. Portable dual-channel blood enzyme analyzer for point-of-care liver function detection. Analyst 2023; 148:6020-6027. [PMID: 37885378 DOI: 10.1039/d3an01432k] [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: 10/28/2023]
Abstract
Because the liver is an important metabolic center in the human body, the reliability and timeliness of chronic liver disease diagnosis are particularly important. Alanine aminotransferase and aspartate transaminase are the two most important liver function indicators, and their test results are crucial in the diagnosis of liver diseases. However, the simultaneous detection of these two indicators is currently restricted by the need for expensive equipment and complicated detection processes. This study proposes a portable dual-channel blood enzyme analyzer (BEA) for point-of-care-testing. The device uses photometric reflectance to quantify the enzyme concentration by evaluating the reflected light intensity. The BEA also precisely controls and maintains the temperature at 37 °C ± 0.1 °C in the dual-channel assay. We assessed the responses of this system within a clinically relevant range by testing blood samples from a local hospital. The test verified that BEA for ALT and AST achieved a detection limit of 3.5 U L-1 and 4 U L-1, detection range of 4-350 U L-1 and 4-250 U L-1, coefficients of variation (CV) that were both less than 10%, and a linear correlation coefficient of 0.9827 and 0.9714 compared with a high-precision clinical biochemistry analyzer (Roche Cobas C702), respectively. We realized remote data analysis and storage through connection with smartphones, which can be applied to remote diagnostics and preventative personal disease management. Therefore, BEA has broad application prospects in the future internet of medical things.
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Affiliation(s)
- Jingwei Sang
- University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jie Cheng
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Honghua Hu
- Department of Laboratory Medicine and Sichuan Provincial Key Laboratory for Human Disease Gene Study, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Ke Liu
- University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jiuchuan Guo
- University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jinhong Guo
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- The M. O. E. Key Laboratory of Laboratory Medical Diagnostics, The College of Laboratory Medicine, Chongqing Medical University, #1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China
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6
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Chinnappan R, Mir TA, Alsalameh S, Makhzoum T, Alzhrani A, Al-Kattan K, Yaqinuddin A. Low-Cost Point-of-Care Monitoring of ALT and AST Is Promising for Faster Decision Making and Diagnosis of Acute Liver Injury. Diagnostics (Basel) 2023; 13:2967. [PMID: 37761334 PMCID: PMC10529728 DOI: 10.3390/diagnostics13182967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 06/28/2023] [Accepted: 06/30/2023] [Indexed: 09/29/2023] Open
Abstract
Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) are important liver enzymes in clinical settings. Their levels are known to be elevated in individuals with underlying liver diseases and those consuming hepatotoxic drugs. Serum ALT and AST levels are crucial for diagnosing and assessing liver diseases. Serum ALT is considered the most reliable and specific candidate as a disease biomarker for liver diseases. ALT and AST levels are routinely analyzed in high-risk individuals for the bioanalysis of both liver function and complications associated with drug-induced liver injury. Typically, ALT and AST require blood sampling, serum separation, and testing. Traditional methods require expensive or sophisticated equipment and trained specialists, which is often time-consuming. Therefore, developing countries have limited or no access to these methods. To address the above issues, we hypothesize that low-cost biosensing methods (paper-based assays) can be applied to the analysis of ALT and AST levels in biological fluids. The paper-based biodetection technique can semi-quantitatively measure ALT and AST from capillary finger sticks, and it will pave the way for the development of an inexpensive and rapid alternative method for the early detection and diagnosis of liver diseases. This method is expected to significantly reduce the economic burden and aid routine clinical analysis in both developed and underdeveloped countries. The development of low-cost testing platforms and their diagnostic utility will be extremely beneficial in helping millions of patients with liver disorders.
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Affiliation(s)
- Raja Chinnappan
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (S.A.); (T.M.); (A.A.); (K.A.-K.)
- Tissue/Organ Bioengineering & BioMEMS Lab, Organ Transplant Centre of Excellence, Transplant Research & Innovation Department, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Tanveer Ahmad Mir
- Tissue/Organ Bioengineering & BioMEMS Lab, Organ Transplant Centre of Excellence, Transplant Research & Innovation Department, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Suliman Alsalameh
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (S.A.); (T.M.); (A.A.); (K.A.-K.)
| | - Tariq Makhzoum
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (S.A.); (T.M.); (A.A.); (K.A.-K.)
| | - Alaa Alzhrani
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (S.A.); (T.M.); (A.A.); (K.A.-K.)
- Tissue/Organ Bioengineering & BioMEMS Lab, Organ Transplant Centre of Excellence, Transplant Research & Innovation Department, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
- Medical Laboratory Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Khaled Al-Kattan
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (S.A.); (T.M.); (A.A.); (K.A.-K.)
| | - Ahmed Yaqinuddin
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (S.A.); (T.M.); (A.A.); (K.A.-K.)
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Singh R, Wang Z, Marques C, Min R, Zhang B, Kumar S. Alanine aminotransferase detection using TIT assisted four tapered fiber structure-based LSPR sensor: From healthcare to marine life. Biosens Bioelectron 2023; 236:115424. [PMID: 37253306 DOI: 10.1016/j.bios.2023.115424] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 05/14/2023] [Accepted: 05/22/2023] [Indexed: 06/01/2023]
Abstract
Alanine aminotransferase (ALT), a type of inactive enzyme largely present in fish liver cells, is essential for the tricarboxylic acid (TCA) cycle. Monitoring ALT activity in the blood/hepatocellular layer has been demonstrated to be a sensitive sign of liver dysfunction and an essential method for determining the health status of fish. This study details the development of a multi-layer material (hybrids of graphene oxide and multi-walled carbon nanotubes (GO/MWCNTs), gold nanoparticles (AuNPs), and glutamate oxidase (GluOx) enzyme) immobilized localized surface plasmon resonance based unique fiber structure biosensor for the quantitative determination of ALT biomolecules at concentrations ranging from 0 to 1000 U/L. For this kind of detection, a novel taper-in-taper with four tapered (TIT4T) structure based on single-mode fiber has been developed. In addition to AuNPs, GO/MWCNTs were immobilized in the probe's sensing region to increase its LSPR efficiency and sensitivity. Synthesis of AuNPs was carried out utilizing the Turkevich method. The selectivity of the sensor is ensured by the effective immobilization of GluOx on the surface treatment. The linearity of sensor is in the range of 0-1000 U/L, whereas the sensitivity, limit of detection, and detection time are individually found at 7.5 p.m./(U/L), 4.84 U/L and 20 min, respectively. After evaluating the prospective applications of the sensors, the sensors' reusability, reproducibility, stability, pH test, and selectivity have all been found to be satisfactory. Proposed fiber optic biosensors have high sensitivity, robustness, reliability, fast detection, no electromagnetic interference, low cost, real-time monitoring, and biocompatible.
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Affiliation(s)
- Ragini Singh
- College of Agronomy, Liaocheng University, Liaocheng, 252059, China
| | - Zhi Wang
- Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science and Information Technology, Liaocheng University, Liaocheng, 252059, China
| | - Carlos Marques
- I3N & Physics Department, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Rui Min
- Center for Cognition and Neuroergonomics, State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University at Zhuhai, 519087, Zhuhai, China
| | - Bingyuan Zhang
- Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science and Information Technology, Liaocheng University, Liaocheng, 252059, China.
| | - Santosh Kumar
- Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science and Information Technology, Liaocheng University, Liaocheng, 252059, China.
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Ibrahim AM, Ghazy M, El-Sayed H, Abd El-Hameed RM, Khalil RG, Korany SM, Aloufi AS, Hammam OA, Morad MY. Histopathological, Immunohistochemical, Biochemical, and In Silico Molecular Docking Study of Fungal-Mediated Selenium Oxide Nanoparticles on Biomphalaria alexandrina (Ehrenberg, 1831) Snails. Microorganisms 2023; 11:microorganisms11030811. [PMID: 36985384 PMCID: PMC10053037 DOI: 10.3390/microorganisms11030811] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Daphnia magna and freshwater snails are used as delicate bioindicators of contaminated aquatic habitats. Due to their distinctive characteristics, selenium oxide nanoparticles (SeONPs) have received interest regarding their possible implications on aquatic environments. The current study attempted to investigate the probable mechanisms of fungal-mediated selenium nanoparticles' ecotoxicological effects on freshwater Biomphalaria alexandrina snails and Daphnia magna. SeONPs revealed a toxicological impact on D. magna, with a half-lethal concentration (LC50) of 1.62 mg/L after 24 h and 1.08 mg/L after 48 h. Survival, fecundity, and reproductive rate were decreased in B. alexandrina snails exposed to SeONPs. Furthermore, the aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels were markedly elevated, while albumin and total protein levels decreased. Histopathological damage in the hermaphrodite and digestive glands was detected by light, electron microscopy, and immunohistochemistry studies. The molecular docking study revealed interactions of selenium oxide with the ALT and AST. In conclusion, B. alexandrina snails and D. magna could be employed as bioindicators of selenium nanomaterial pollution in aquatic ecosystems. This study emphasizes the possible ecological effects of releasing SeONPs into aquatic habitats, which could serve as motivation for regulatory organizations to monitor and control the use and disposal of SeONPs in industry.
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Affiliation(s)
- Amina M Ibrahim
- Medical Malacology Department, Theodor Bilharz Research Institute, Giza 12411, Egypt
| | - Mahassen Ghazy
- Water Pollution Research Department, National Research Centre, El Tahrir Street, Dokki, Giza 12622, Egypt
| | - Heba El-Sayed
- Botany and Microbiology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
| | - Rehab M Abd El-Hameed
- Botany and Microbiology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
| | - Rehab G Khalil
- Immunology Division, Faculty of Science, Beni-Suef University, Beni-Suef 62521, Egypt
| | - Shereen M Korany
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Abeer S Aloufi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Olfat A Hammam
- Pathology Departments, Theodor Bilharz Research Institute, Giza 12411, Egypt
| | - Mostafa Y Morad
- Zoology and Entomology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
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9
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Lomae A, Preechakasedkit P, Teekayupak K, Panraksa Y, Yukird J, Chailapakul O, Ruecha N. Microfluidic Paper-Based Device for Medicinal Diagnosis. Curr Top Med Chem 2022; 22:CTMC-EPUB-127355. [PMID: 36330618 DOI: 10.2174/1568026623666221103103211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/16/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND The demand for point-of-care testing (POCT) devices has rapidly grown since they offer immediate test results with ease of use, makingthem suitable for home self-testing patients and caretakers. However, the POCT development has faced the challenges of increased cost and limited resources. Therefore, the paper substrate as a low-cost material has been employed to develop a cost-effective POCT device, known as "Microfluidic paper-based analytical devices (μPADs)". This device is gaining attention as a promising tool for medicinal diagnostic applications owing to its unique features of simple fabrication, low cost, enabling manipulation flow (capillarydriven flow), the ability to store reagents, and accommodating multistep assay requirements. OBJECTIVE This review comprehensively examines the fabrication methods and device designs (2D/3D configuration) and their advantages and disadvantages, focusing on updated μPADs applications for motif identification. METHODS The evolution of paper-based devices, starting from the traditional devices of dipstick and lateral flow assay (LFA) with μPADs, has been described. Patterned structure fabrication of each technique has been compared among the equipment used, benefits, and drawbacks. Microfluidic device designs, including 2D and 3D configurations, have been introduced as well as their modifications. Various designs of μPADs have been integrated with many powerful detection methods such as colorimetry, electrochemistry, fluorescence, chemiluminescence, electrochemiluminescence, and SER-based sensors for medicinal diagnosis applications. CONCLUSION The μPADs potential to deal with commercialization in terms of the state-of-the-art of μPADs in medicinal diagnosis has been discussed. A great prototype, which is currently in a reallife application breakthrough, has been updated.
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Affiliation(s)
- Atchara Lomae
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Pattarachaya Preechakasedkit
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Kanyapat Teekayupak
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Yosita Panraksa
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Jutiporn Yukird
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Nipapan Ruecha
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
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Ghonaim AH, Hopo MG, Ismail AK, AboElnaga TR, Elgawish RA, Abdou RH, Elhady KA. Hepatoprotective and renoprotective effects of silymarin against salinomycin-induced toxicity in adult rabbits. Vet World 2022; 15:2244-2252. [DOI: 10.14202/vetworld.2022.2244-2252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 07/27/2022] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Salinomycin sodium, a licensed coccidiostat in rabbits, is used for fattening at a dose of 20–25 mg/kg. Salinomycin toxicity may arise from many risk factors (e.g., overdosage or use in non-target animal species). Silymarin extracted from milk thistle has antioxidant, anti-inflammatory, and antiviral properties. This study aimed to investigate the adverse impacts of oral administration of salinomycin for 28 consecutive days and how to reduce its risks and side effects by administering silymarin.
Materials and Methods: Eighty-four male New Zealand White bucks (1.750–2.000 kg) were randomly divided into seven groups (12 each). Group one was the control. Groups two and three were administered salinomycin orally (doses of 20 and 40 mg/kg ration). Group four was administered salinomycin (20 mg/kg ration) and silymarin (6.5 mg/kg body weight [BW]). Group five received salinomycin (40 mg/kg ration) and silymarin (13 mg/kg BW). Groups six and seven were administered silymarin at doses of 6.5 and 13 mg/kg BW. Rabbits were euthanized and slaughtered on day 29 using the Halal method. Alanine aminotransferase (ALT), aspartate aminotransferase (AST), creatinine, urea, total proteins, albumin, total cholesterol, and high- and low-density lipoprotein (HDL and LDL) were analyzed in serum. Glutathione (GSH), superoxide dismutase (SOD), catalase, and malondialdehyde (MDA) were estimated in the liver. A histopathological investigation was performed on the liver and kidney.
Results: The MDA activity, AST, ALT, total protein, albumin, total cholesterol, triglyceride, LDL, urea, and creatinine values were significantly elevated in groups two and three. The GSH, catalase, SOD, and HDL were significantly lower in these groups than in the control group. There were moderate pathologic changes in the liver and kidney of the third group . However, the results of the fourth and fifth groups improved more than those of the second and third groups. The results of the sixth and seventh groups were nearly the same as those of the control group.
Conclusion: Salinomycin toxicity was caused by oxidative damage because of reactive oxygen species formation. Silymarin (6.5 or 13 mg/kg BW) tends to prevent and treat accidental toxicity. However, the high dose of silymarin (13 mg/kg BW) had more renal and hepatoprotective capacities.
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Affiliation(s)
- Ahmed H. Ghonaim
- Department of Animal Health, Desert Research Center, Cairo, 11435, Egypt
| | | | - Ayman K. Ismail
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt; Department of Clinical Pharmacology and Toxicology, College of Medicine, Taif University, Taif, Saudi Arabia
| | - Tarek R. AboElnaga
- Department of Animal Health, Desert Research Center, Cairo, 11435, Egypt
| | - Rania Abdelrahman Elgawish
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
| | - Rania H. Abdou
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
| | - Kawther A. Elhady
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
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11
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Cheng J, Yan J, Guo J, Guo J. A low-cost compact blood enzyme analyzer based on optical sensing for point-of-care liver function testing. Analyst 2022; 147:4510-4516. [DOI: 10.1039/d2an01068b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Serum alanine aminotransferase (ALT) is the most sensitive indicator of liver function; therefore, in clinical practice, its detection has diagnostic significance.
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Affiliation(s)
- Jie Cheng
- University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jiasheng Yan
- University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jiuchuan Guo
- University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jinhong Guo
- The M.O.E. Key Laboratory of Laboratory Medical Diagnostics, The College of Laboratory Medicine, Chongqing Medical University, #1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China
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12
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Resmi PE, Sachin Kumar S, Alageswari D, Suneesh PV, Ramachandran T, Nair BG, Satheesh Babu TG. Development of a paper-based analytical device for the colourimetric detection of alanine transaminase and the application of deep learning for image analysis. Anal Chim Acta 2021; 1188:339158. [PMID: 34794561 DOI: 10.1016/j.aca.2021.339158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 09/21/2021] [Accepted: 10/06/2021] [Indexed: 10/20/2022]
Abstract
A paper-based colourimetric assay for the detection of alanine transaminase has been developed. In the presence of alanine transaminase, 2,4-dinitrophenyl hydrazine changes to pyruvate hydrazone leading to a colour change from pale yellow to dark yellow. Reaction conditions were optimized using absorption spectroscopic studies. Hydrophobic patterns on the Whatman chromatographic paper were created by wax printing, and the reagents were drop cast at the reagent zone. On the paper device, the intensity of the yellow colour increases with ALT concentration in the range of 20-140 U/L in human serum. For the quantification of ALT, coloured images were captured using a digital camera and were processed with Image J software. The machine learning approach was also explored for the ALT analysis by training with colour images of the paper device and testing using a cross-validation procedure. The results obtained with real clinical samples on the paper device showed good accuracy of less than 5% relative error with the clinical lab results. Furthermore, the paper device shows high selectivity to ALT in the presence of various interfering species in blood serum with a sensitivity of 0.261 a.u/(U/L), a detection limit of 4.12 U/L, and precise results with an RSD of less than 7%. For the testing of whole blood, a plasma separation membrane was integrated with the patterned paper.
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Affiliation(s)
- P E Resmi
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India; Department of Sciences, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India
| | - S Sachin Kumar
- Centre for Computational Engineering and Networking, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India
| | - D Alageswari
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India; Department of Sciences, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India
| | - P V Suneesh
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India; Department of Sciences, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India
| | - T Ramachandran
- Department of Sciences, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India
| | - Bipin G Nair
- Amrita School of Biotechnology, Amritapuri, Kollam, 690525, India
| | - T G Satheesh Babu
- Amrita Biosensor Research Lab, Amrita School of Engineering Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India; Department of Sciences, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, 641112, India.
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13
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Moed S, Suprenant M, Odjidja EN, Meguid T, Zaman MH. Economic Evaluation of Screening Interventions for Drug-induced Liver Injury. Clin Infect Dis 2021; 73:e3959-e3965. [PMID: 32898262 DOI: 10.1093/cid/ciaa1347] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 09/03/2020] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Human immunodeficiency virus (HIV)/AIDS and tuberculosis (TB) continue to be a significant global burden, disproportionately affecting low- and middle-income countries (LMICs). While much progress has been made in treating these epidemics, this has led to a rise in liver complications, as patients on ARTs and anti-TBs are at an increased risk of drug-induced liver injury (DILI). Therefore, patients on these medicines require consistent screening of liver function. Due to logistical barriers, gold standard DILI screening fails to be executed at the point-of-care in LMICs. For this reason, we used cost-effectiveness analysis to gauge the efficacy of a paper-test that could be implemented in these settings. METHODS We used a Markov Model to simulate HIV and TB coinfected patient care in LMICs using both publicly available data and data from Village Health Works in Burundi. We compared the cost-effectiveness of two screening interventions for liver function monitoring: 1. paper-based point-of-care testing, and 2. gold-standard laboratory testing. These interventions were compared against baseline clinical monitoring. RESULTS The paper test showed a 56% increase in efficacy over clinical monitoring alone. The paper-test is more cost-effective than the gold-standard method, at a ceiling cost of $1.60 per test. CONCLUSIONS With this information, policy makers can be informed as to the large potential value of paper-based tests when gold standard monitoring is not achievable. Scientists and engineers should also keep these analyses in mind and while in development limit the cost of an ALT screening test to $1.60.
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Affiliation(s)
- Saundria Moed
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, USA
| | - Mark Suprenant
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, USA
| | | | | | - Muhammad H Zaman
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, USA.,Department of Biomedical Engineering, Howard Hughes Medical Institute, Boston, Massachusetts, USA
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14
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Huang WH, Mai VP, Wu RY, Yeh KL, Yang RJ. A Microfluidic Aptamer-Based Sensor for Detection of Mercury(II) and Lead(II) Ions in Water. MICROMACHINES 2021; 12:1283. [PMID: 34832695 PMCID: PMC8619161 DOI: 10.3390/mi12111283] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 11/16/2022]
Abstract
Heavy metal contaminants have serious consequences for the environment and human health. Consequently, effective methods for detecting their presence, particularly in water and food, are urgently required. Accordingly, the present study proposes a sensor capable of detecting mercury Hg(II) and lead Pb(II) ions simultaneously, using graphene oxide (GO) as a quenching agent and an aptamer solution as a reagent. In the proposed device, the aptamer sequences are labeled by FAM and HEX fluorescent dyes, respectively, and are mixed well with 500 ppm GO solution before injection into one inlet of the microchannel, and the heavy metal sample solution is injected into another inlet. The presence of Hg(II) and Pb(II) ions is then detected by measuring the change in the fluorescence intensity of the GO/aptamer suspension as the aptamer molecules undergo fluorescence resonance energy transfer (FRET). The selectivity of these two ions is also shown to be clear among other mixed heavy metal ions. The experimental results show that the aptamer sensors have a linear range of 10~250 nM (i.e., 2.0~50 ppb) for Hg(II) ions and 10~100 nM (i.e., 2.1~20.7 ppb) for Pb(II) ions. Furthermore, the limit of detection is around 0.70 ppb and 0.53 ppb for Hg(II) and Pb(II), respectively, which is lower than the maximum limits of 6 ppb and 10 ppb prescribed by the World Health Organization (WHO) for Hg(II) and Pb(II) in drinking water, respectively.
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Affiliation(s)
| | | | | | | | - Ruey-Jen Yang
- Department of Engineering Science, National Cheng Kung University, Tainan 70101, Taiwan; (W.-H.H.); (V.-P.M.); (R.-Y.W.); (K.-L.Y.)
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15
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Lee WC, Ng HY, Hou CY, Lee CT, Fu LM. Recent advances in lab-on-paper diagnostic devices using blood samples. LAB ON A CHIP 2021; 21:1433-1453. [PMID: 33881033 DOI: 10.1039/d0lc01304h] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Lab-on-paper, or microfluidic paper-based analytical devices (μPADs), use paper as a substrate material, and are patterned with a system of microchannels, reaction zones and sensing elements to perform analysis and detection. The sample transfer in such devices is performed by capillary action. As a result, external driving forces are not required, and hence the size and cost of the device are significantly reduced. Lab-on-paper devices have thus attracted significant attention for point-of-care medical diagnostic purposes in recent years, particularly in less-developed regions of the world lacking medical resources and infrastructures. This review discusses the major advances in lab-on-paper technology for blood analysis and diagnosis in the past five years. The review focuses particularly on the many clinical applications of lab-on-paper devices, including diabetes diagnosis, acute myocardial infarction (AMI) detection, kidney function diagnosis, liver function diagnosis, cholesterol and triglyceride (TG) analysis, sickle-cell disease (SCD) and phenylketonuria (PKU) analysis, virus analysis, C-reactive protein (CRP) analysis, blood ion analysis, cancer factor analysis, and drug analysis. The review commences by introducing the basic transmission principles, fabrication methods, structural characteristics, detection techniques, and sample pretreatment process of modern lab-on-paper devices. A comprehensive review of the most recent applications of lab-on-paper devices to the diagnosis of common human diseases using blood samples is then presented. The review concludes with a brief summary of the main challenges and opportunities facing the lab-on-paper technology field in the coming years.
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Affiliation(s)
- Wen-Chin Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Hwee-Yeong Ng
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 811, Taiwan
| | - Chien-Te Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Lung-Ming Fu
- Department of Engineering Science, National Cheng Kung University, Tainan, 701, Taiwan.
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16
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3,4,5-Tri-O-caffeoylquinic acid methyl ester isolated from Lonicera japonica Thunb. Flower buds facilitates hepatitis B virus replication in HepG2.2.15 cells. Food Chem Toxicol 2020; 138:111250. [PMID: 32156566 DOI: 10.1016/j.fct.2020.111250] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 02/05/2020] [Accepted: 03/06/2020] [Indexed: 12/26/2022]
Abstract
Caffeoylquinic acids are well known for their prominent antiviral activities. Beyond our expectations, we initially found 3,4,5-Tri-O-caffeoylquinic acid methyl ester (3,4,5-CQME) from L. japonica can facilitate HBV DNA and antigens secretion. This study aimed to investigate its underlying molecular mechanism. The results indicate that 3,4,5-CQME signally increased intracellular and secreted HBsAg levels by more than two times in HepG2.2.15 cells and HepAD38 cells. Furthermore, levels of HBeAg, HBV DNA and RNA were significantly enhanced by 3-day 3,4,5-CQME treatment; it didn't directly affect intracellular cccDNA amount, although it slightly increased cccDNA accumulation as a HBV DNA replication feedback. In addition, treatment with 3,4,5-CQME significantly induced HBx protein expression for viral replication. We utilized a phospho-antibody assay to profile the signal transduction change by 3,4,5-CQME to illuminate its molecular mechanism. The results indicate that treatment with 3,4,5-CQME activated AKT/mTOR, MAPK and NF-κB pathways verified by immunoblot. Moreover, 3,4,5-CQME upregulated the expression of nuclear transcriptional factors PGC1α and PPARα. In short, 3,4,5-CQME promotes HBV transcription and replication by upregulating HBx expression and activating HBV transcriptional regulation-related signals. As caffeoylquinic acids are widely present in traditional Chinese medicines, the risk of intaking caffeoylquinic acids-containing herbs for hepatitis B treatment requires more evaluation and further research.
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17
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Yamada K, Shibata H, Suzuki K, Citterio D. Toward practical application of paper-based microfluidics for medical diagnostics: state-of-the-art and challenges. LAB ON A CHIP 2017; 17:1206-1249. [PMID: 28251200 DOI: 10.1039/c6lc01577h] [Citation(s) in RCA: 265] [Impact Index Per Article: 37.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Microfluidic paper-based analytical devices (μPADs) have emerged as a promising diagnostic platform a decade ago. In contrast to highly active academic developments, their entry into real-life applications is still very limited. This discrepancy is attributed to the gap between research developments and their practical utility, particularly in the aspects of operational simplicity, long-term stability of devices, and associated equipment. On the basis of these backgrounds, this review attempts to: 1) identify the reasons for success of paper-based devices already in the market, 2) describe the current status and remaining issues of μPADs in terms of operational complexity, signal interpretation approaches, and storage stability, and 3) discuss the possibility of mass production based on established manufacturing technologies. Finally, the state-of-the-art in commercialisation of μPADs is discussed, and the "upgrades" required from a laboratory-based prototype to an end user device are demonstrated on a specific example.
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Affiliation(s)
- Kentaro Yamada
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Hiroyuki Shibata
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Koji Suzuki
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Daniel Citterio
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
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18
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Li K, Liu JK, Chen WS, Zhang L. Comparative Influences of Fluid and Shell on Modeled Ejection Performance of a Piezoelectric Micro-Jet. MICROMACHINES 2017. [PMCID: PMC6190355 DOI: 10.3390/mi8010021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Kai Li
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China; or (K.L.); (W.-s.C.)
| | - Jun-kao Liu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China; or (K.L.); (W.-s.C.)
- Correspondence: ; Tel.: +86-451-8641-6119
| | - Wei-shan Chen
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China; or (K.L.); (W.-s.C.)
| | - Lu Zhang
- Aero Engine Corporation of China (AECC), Harbin Dongan Engine Corporation Limited, Harbin 150001, China;
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