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Jurczak P, Fayad N, Benard M, Czaplewska P, Hildebrandt N. Monomer-Dimer Equilibrium of Human Cystatin C During Internalization Into Cancer Cells. Chembiochem 2024; 25:e202400226. [PMID: 38761032 DOI: 10.1002/cbic.202400226] [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: 03/11/2024] [Revised: 04/26/2024] [Accepted: 05/17/2024] [Indexed: 05/20/2024]
Abstract
Human cystatin C (hCC) is a physiologically important protein that serves as intra- and extracellular cysteine proteinase inhibitor in homeostasis. However, in pathological states it dimerizes and further oligomerizes accumulating into a toxic amyloid. HCC forms an active monomer in the extracellular space and becomes an inactive dimer when internalized in cellular organelles. However, hCC cell penetration and its oligomeric state during this process are not well understood. To determine if and how the oligomeric state influences hCC transmembrane migration, we investigated the internalization of the hCC wild type protein as well as three different mutants, which exclusively exist in the monomeric or multimeric state into HeLa cells via confocal fluorescence microscopy. Our results showed that the preferred pathway was endocytosis and that the oligomeric state did not significantly influence the internalization because both monomeric and dimeric hCC migrated into HeLa cells. Considering the differences of the active monomeric and the passive dimeric states of hCC, our findings contribute to a better understanding of the intra and extra cellular functions of hCC and their interaction with cysteine proteases.
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Affiliation(s)
- Przemyslaw Jurczak
- Laboratory of Mass Spectrometry, Intercollegiate Faculty of Biotechnology, University of Gdansk, Abrahama 58, Gdańsk, 80-307, Poland
- Laboratoire COBRA (UMR6014 & FR3038), Université de Rouen Normandie, CNRS, INSA, Normandie Université, Rouen, 76000, France
| | - Nour Fayad
- Laboratoire COBRA (UMR6014 & FR3038), Université de Rouen Normandie, CNRS, INSA, Normandie Université, Rouen, 76000, France
| | - Magalie Benard
- PRIMACEN, Univ Rouen Normandie, INSERM, CNRS, HeRacLeS US51 UAR2026, Rouen, 76000, France
| | - Paulina Czaplewska
- Laboratory of Mass Spectrometry, Intercollegiate Faculty of Biotechnology, University of Gdansk, Abrahama 58, Gdańsk, 80-307, Poland
| | - Niko Hildebrandt
- Department of Chemistry, Seoul National University, Seoul, 08826, South Korea
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton, L8S4 L7, Canada
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2
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Alqahtani YS, Mahmoud AM, Ali AMBH, El-Wekil MM. Enhanced fluorometric detection of histamine using red emissive amino acid-functionalized bimetallic nanoclusters. RSC Adv 2024; 14:18970-18977. [PMID: 38873548 PMCID: PMC11168285 DOI: 10.1039/d4ra02010c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024] Open
Abstract
Lysine-capped gold nanoclusters doped with silver (LYS@Ag/Au NCs) have been developed for the sensitive and selective "turn-off" fluorescence detection of histamine. This fluorescent probe demonstrates excellent stability and a high quantum yield of 9.45%. Upon addition of histamine, a positively charged biogenic amine, to the LYS@Ag/Au NCs fluorescent probe, its fluorescence emission is quenched due to electrostatic interaction, aggregation, and hydrogen bond formation. The probe exhibits good sensitivity for the determination of histamine within the range of 0.003-350 μM, with a detection limit of 0.001 μM based on a signal-to-noise ratio of 3. Furthermore, the probe has been applied to detect biogenic amines in complicated matrices, highlighting its potential for practical applications. However, interference from the analogue histidine was observed during analysis, which can be mitigated by using a Supelclean™ LC-SAX solid-phase extraction column for removal.
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Affiliation(s)
- Yahya S Alqahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University Najran 11001 Saudi Arabia
| | - Ashraf M Mahmoud
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University Najran 11001 Saudi Arabia
| | - Al-Montaser Bellah H Ali
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University Assiut 71516 Egypt
| | - Mohamed M El-Wekil
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University Assiut 71516 Egypt
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3
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Xie HH, Han L, Tang SF. Terbium doping and energy level modification of zirconium organic frameworks as probes for the improved determination of histamine and visual inspection of food freshness. Food Chem 2024; 433:137314. [PMID: 37678118 DOI: 10.1016/j.foodchem.2023.137314] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 08/16/2023] [Accepted: 08/27/2023] [Indexed: 09/09/2023]
Abstract
Food safety is a common concern among people, and the development of high-performance food freshness detection technology is crucial, but is still highly challenging. Fluorescent sensing based on metal organic frameworks is a promising technology to tackle this issue. In this work, three UiO-66 type Zirconium organic frameworks (ZrOFs) which are functionalized with varying numbers of hydroxyl groups to alter the energy levels, and partial replacement of Zirconium(IV) by Terbium(III) ions to introduce additional emitting centers, were explored as probes for the sensing of Histamine (His). With one hydroxyl group introduced, UiO-66-OH@Tb can be developed as ratiometric fluorescent probe with improved sensing performance, showing a wide detection range of 0 to 120 mg/L, and a low detection limit of 0.13 mg/L. UiO-66-OH@Tb can also be fabricated into composite film to function as visual sensing material of His. This work can provide instructions for the development of other fluorescent sensors.
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Affiliation(s)
- Hui-Hui Xie
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Changcheng Road 700, Chengyang District, Qingdao 266109, China
| | - Lei Han
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Changcheng Road 700, Chengyang District, Qingdao 266109, China
| | - Si-Fu Tang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Changcheng Road 700, Chengyang District, Qingdao 266109, China.
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Hastman DA, Hooe S, Chiriboga M, Díaz SA, Susumu K, Stewart MH, Green CM, Hildebrandt N, Medintz IL. Multiplexed DNA and Protease Detection with Orthogonal Energy Transfer on a Single Quantum Dot Scaffolded Biosensor. ACS Sens 2024; 9:157-170. [PMID: 38160434 DOI: 10.1021/acssensors.3c01812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Almost all pathogens, whether viral or bacterial, utilize key proteolytic steps in their pathogenesis. The ability to detect a pathogen's genomic material along with its proteolytic activity represents one approach to identifying the pathogen and providing initial evidence of its viability. Here, we report on a prototype biosensor design assembled around a single semiconductor quantum dot (QD) scaffold that is capable of detecting both nucleic acid sequences and proteolytic activity by using orthogonal energy transfer (ET) processes. The sensor consists of a central QD assembled via peptidyl-PNA linkers with multiple DNA sequences that encode complements to genomic sequences originating from the Ebola, Influenza, and COVID-19 viruses, which we use as surrogate targets. These are hybridized to complement strands labeled with a terbium (Tb) chelate, AlexaFluor647 (AF647), and Cy5.5 dyes, giving rise to two potential FRET cascades: the first includes Tb → QD → AF647 → Cy5.5 (→ = ET step), which is detected in a time-gated modality, and QD → AF647 → Cy5.5, which is detected from direct excitation. The labeled DNA-displaying QD construct is then further assembled with a RuII-modified peptide, which quenches QD photoluminescence by charge transfer and is recognized by a protease to yield the full biosensor. Each of the labeled DNAs and peptides can be ratiometrically assembled to the QD in a controllable manner to tune each of the ET pathways. Addition of a given target DNA displaces its labeled complement on the QD, disrupting that FRET channel, while protease addition disrupts charge transfer quenching of the central QD scaffold and boosts its photoluminescence and FRET relay capabilities. Along with characterizing the ET pathways and verifying biosensing in both individual and multiplexed formats, we also demonstrate the ability of this construct to function in molecular logic and perform Boolean operations; this highlights the construct's ability to discriminate and transduce signals between different inputs or pathogens. The potential application space for such a sensor device is discussed.
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Affiliation(s)
- David A Hastman
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington ,District of Columbia20375, United States
- American Society for Engineering Education, Washington ,District of Columbia20036, United States
| | - Shelby Hooe
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington ,District of Columbia20375, United States
| | - Matthew Chiriboga
- Northrop Grumman Corporation, Mission Systems, Baltimore, Maryland, 21240, United States
| | - Sebastián A Díaz
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington ,District of Columbia20375, United States
| | - Kimihiro Susumu
- Optical Sciences Division, Code 5600, U.S. Naval Research Laboratory, Washington ,District of Columbia20375, United States
| | - Michael H Stewart
- Optical Sciences Division, Code 5600, U.S. Naval Research Laboratory, Washington ,District of Columbia20375, United States
| | - Christopher M Green
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington ,District of Columbia20375, United States
| | - Niko Hildebrandt
- Department of Chemistry, Seoul National University, Seoul 08826, South Korea
- Department of Engineering Physics, McMaster University, Hamilton L8S 4L7, Canada
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington ,District of Columbia20375, United States
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Liang YF, Li JD, Fang RY, Xu ZL, Luo L, Chen ZJ, Yang JY, Shen YD, Ueda H, Hammock B, Wang H. Design of an Antigen-Triggered Nanobody-Based Fluorescence Probe for PET Immunoassay to Detect Quinalphos in Food Samples. Anal Chem 2023; 95:12321-12328. [PMID: 37527540 DOI: 10.1021/acs.analchem.3c01696] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Photoinduced electron-transfer (PET) immunoassay based on a fluorescence site-specifically labeled nanobody, also called mini Quenchbody (Q-body), exhibits extraordinary sensitivity and saves much time in the homogeneous noncompetitive mode and is therefore regarded as a valuable method. However, limited by the efficiency of both quenching and dequenching of the fluorescence signal before and after antigen binding associated with the PET principle, not all original nanobodies can be used as candidates for mini Q-bodies. Herein, with the anti-quinalphos nanobody 11A (Nb-11A) as the model, we, for the first time, adopt a strategy by combining X-ray structural analysis with site-directed mutagenesis to design and produce a mutant Nb-R29W, and then successfully generate a mini Q-body by labeling with ATTO520 fluorescein. Based on this, a novel PET immunoassay is established, which exhibits a limit of detection of 0.007 μg/mL with a detection time of only 15 min, 25-fold improved sensitivity, and faster by 5-fold compared to the competitive immunoassay. Meanwhile, the recovery test of vegetable samples and validation by the standard ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) both demonstrated that the established PET immunoassay is a novel, sensitive, and accurate detection method for quinalphos. Ultimately, the findings of this work will provide valuable insights into the development of triggered PET fluorescence probes by using existing antibody resources.
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Affiliation(s)
- Yi-Fan Liang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Jia-Dong Li
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Ru-Yu Fang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Zhen-Lin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Lin Luo
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Zi-Jian Chen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Jin-Yi Yang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Yu-Dong Shen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Hiroshi Ueda
- World Research Hub Initiative, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan
| | - Bruce Hammock
- Department of Entomology and Nematology, UCD Comprehensive Cancer Center, University of California Davis, Davis, California 95616, United States
| | - Hong Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
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Trung NT, Nhien PQ, Kim Cuc TT, Wu CH, Buu Hue BT, Wu JI, Li YK, Lin HC. Controllable Aggregation-Induced Emission and Förster Resonance Energy Transfer Behaviors of Bistable [ c2] Daisy Chain Rotaxanes for White-Light Emission and Temperature-Sensing Applications. ACS APPLIED MATERIALS & INTERFACES 2023; 15:15353-15366. [PMID: 36926804 DOI: 10.1021/acsami.2c21671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Bistable [c2] daisy chain rotaxanes with respective extended and contracted forms of [c2]A and [c2]B containing a blue-emissive anthracene (AN) donor and orange-emissive indandione-carbazole (IC) acceptor were successfully synthesized via click reaction. Tunable-emission bistable [c2] daisy chain rotaxanes with fluorescence changes from blue to orange, including bright-white-light emissions, could be modulated by the aggregation-induced emission (AIE) characteristics and Förster resonance energy transfer (FRET) processes through altering water fractions and shuttling processes (i.e., acid/base controls). Accordingly, as a result of excellent fine-tuning AIE (at 60% water content of H2O/THF) and FRET (with a compatible energy transfer of EFRET = 33.2%) behaviors after the shuttling process (by adding base), the brightest white-light emission at CIE (0.31, 0.37) with a quantum yield of Φ = 15.64% was obtained in contracted [c2]B with good control of molecular shuttling to possess higher photoluminescence (PL) quantum yields and better energy transfer efficiencies (i.e., the manipulation of reduced PET and enhanced FRET processes) due to their intramolecular aggregations of blue AN donors and orange IC acceptors with a proper water content of 60% H2O. Furthermore, dynamic light-scattering (DLS) and time-resolved photoluminescence (TRPL) measurements, along with theoretical calculations, were utilized to investigate and confirm AIE and FRET phenomena of bistable [c2] daisy chain rotaxanes. Especially, both bistable [c2] daisy chain rotaxanes [c2]A and [c2]B and noninterlocked monomer M could be exploited for the applications of ratiometric fluorescence temperature sensing due to the temperature effects on the AIE and FRET features. Based on these desirable bistable [c2] daisy chain rotaxane structures, this work provides a potential strategy for the future applications of tunable multicolor emission and ratiometric fluorescence temperature-sensing materials.
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Affiliation(s)
- Nguyen Thanh Trung
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Pham Quoc Nhien
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho City, Viet Nam
| | - Tu Thi Kim Cuc
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Chia-Hua Wu
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Bui Thi Buu Hue
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho City, Viet Nam
| | - Judy I Wu
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - Yaw-Kuen Li
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Hong-Cheu Lin
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
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He J, Spanolios E, Froehlich CE, Wouters CL, Haynes CL. Recent Advances in the Development and Characterization of Electrochemical and Electrical Biosensors for Small Molecule Neurotransmitters. ACS Sens 2023; 8:1391-1403. [PMID: 36940263 DOI: 10.1021/acssensors.3c00082] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
Abstract
Neurotransmitters act as chemical messengers, determining human physiological and psychological function, and abnormal levels of neurotransmitters are related to conditions such as Parkinson's and Alzheimer's disease. Biologically and clinically relevant concentrations of neurotransmitters are usually very low (nM), so electrochemical and electronic sensors for neurotransmitter detection play an important role in achieving sensitive and selective detection. Additionally, these sensors have the distinct advantage to potentially be wireless, miniaturized, and multichannel, providing remarkable opportunities for implantable, long-term sensing capabilities unachievable by spectroscopic or chromatographic detection methods. In this article, we will focus on advances in the development and characterization of electrochemical and electronic sensors for neurotransmitters during the last five years, identifying how the field is progressing as well as critical knowledge gaps for sensor researchers.
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