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Li JF, Jiang ZQ, Cao S, Zhang MX, Wang LH, Liu J, Lu YH, Wang HY, Hong XJ, Wang ZG, Liu JP. Curcumin Inhibits α-Synuclein Aggregation by Acting on Liquid-Liquid Phase Transition. Foods 2024; 13:1287. [PMID: 38731658 PMCID: PMC11083653 DOI: 10.3390/foods13091287] [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: 03/13/2024] [Revised: 04/13/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
Parkinson's disease (PD), the second most common neurodegenerative disorder, is linked to α-synuclein (α-Syn) aggregation. Despite no specific drug being available for its treatment, curcumin, from the spice turmeric, shows promise. However, its application in PD is limited by a lack of understanding of its anti-amyloidogenic mechanisms. In this study, we first reconstructed the liquid-liquid phase separation (LLPS) of α-Syn in vitro under different conditions, which may be an initial step in entraining the pathogenic aggregation. Subsequently, we evaluated the effects of curcumin on the formation of droplets, oligomers, and aggregated fibers during the LLPS of α-synuclein, as well as its impact on the toxicity of aggregated α-synuclein to cultured cells. Importantly, we found that curcumin can inhibit amyloid formation by inhibiting the occurrence of LLPS and the subsequent formation of oligomers of α-Syn in the early stages of aggregation. Finally, the molecular dynamic simulations of interactions between α-Syn decamer fibrils and curcumin showed that van der Waal's interactions make the largest contribution to the anti-aggregation effect of curcumin. These results may help to clarify the mechanism by which curcumin inhibits the formation of α-Syn aggregates during the development of PD.
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Affiliation(s)
- Jian-Feng Li
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Zi-Qun Jiang
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Sen Cao
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Meng-Xin Zhang
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Li-Hui Wang
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Jun Liu
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Yan-Hua Lu
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Hong-Yan Wang
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Xiao-Jing Hong
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Zhi-Guo Wang
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
| | - Jun-Ping Liu
- Institute of Ageing Research, School of Basic Medical Sciences, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou 311121, China; (J.-F.L.); (Z.-Q.J.); (S.C.); (M.-X.Z.); (L.-H.W.); (J.L.); (Y.-H.L.); (H.-Y.W.); (X.-J.H.)
- Department of Immunology and Pathology, Faculty of Medicine, Central Clinical School, Monash University, Commercial Road, Prahran, VIC 3018, Australia
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Santos AM, Carvalho Santana Júnior C, Nascimento Júnior JAC, Andrade TDA, Shanmugam S, Thangaraj P, Frank LA, Serafini MR. Antibacterial drugs and cyclodextrin inclusion complexes: a patent review. Expert Opin Drug Deliv 2023; 20:349-366. [PMID: 36722254 DOI: 10.1080/17425247.2023.2175815] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Bacterial antibiotic resistance occurs when bacteria mutate and escape the effect of antibiotics, which makes the antibiotics no longer effective in treating infections. New solutions for bacterial infections are a persistent need including the identification of drugs with better pharmacological profiles, more potent, and safer. Cyclodextrins inclusion complexes have been able to improve the physicochemical and pharmacological properties of the formulation molecules, resulting in new alternatives with better efficacy. AREAS COVERED The patents analyzed in the review used treatments based on antibiotics already on the market, natural products, and synthesized molecules composed of the formulation with cyclodextrins. The combination between cyclodextrin and nanostructures also were presented in the patents review process. Moreover, inclusion complexes have been an alternative in developing treatment mainly in China by the pharmaceutical industries in several countries such as Germany, Hungary, the United States of America, Japan and China. EXPERT OPINION This review is broad and complete since it considers the first patent involving cyclodextrins and antibacterial drugs. Therefore, the various inclusion complexes and antibacterial drugs alternatives presented in this review offer therapeutic options to fight bacterial infections. If shown to be effective, these drugs may be extremely important in the current clinical practice.
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Affiliation(s)
| | | | | | | | - Saravanan Shanmugam
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Brazil
| | | | - Luiza Abrahão Frank
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Mairim Russo Serafini
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Brazil.,Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Brazil.,Postgraduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Brazil
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3
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Antimicrobial peptides for tackling cystic fibrosis related bacterial infections: a review. Microbiol Res 2022; 263:127152. [DOI: 10.1016/j.micres.2022.127152] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 11/18/2022]
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4
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Lai Z, Yuan X, Chen H, Zhu Y, Dong N, Shan A. Strategies employed in the design of antimicrobial peptides with enhanced proteolytic stability. Biotechnol Adv 2022; 59:107962. [PMID: 35452776 DOI: 10.1016/j.biotechadv.2022.107962] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/14/2022] [Accepted: 04/13/2022] [Indexed: 12/12/2022]
Abstract
Due to the alarming developing rate of multidrug-resistant bacterial pathogens, the development and modification of antimicrobial peptides (AMPs) are unprecedentedly active. Despite the fact that considerable efforts have been expended on the discovery and design strategies of AMPs, the clinical translation of peptide antibiotics remains inadequate. A large number of articles and reviews credited the limited success of AMPs to their poor stability in the biological environment, particularly their poor proteolytic stability. In the past forty years, various design strategies have been used to improve the proteolytic stability of AMPs, such as sequence modification, cyclization, peptidomimetics, and nanotechnology. Herein, we focus our discussion on the progress made in improving the proteolytic stability of AMPs and the principle, successes, and limitations of various anti-proteolytic design strategies. It is of prospective significance to extend current insights into the degradation-related inactivation of AMPs and also alleviate/overcome the problem.
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Affiliation(s)
- Zhenheng Lai
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Xiaojie Yuan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Hongyu Chen
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Yunhui Zhu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Na Dong
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Anshan Shan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China.
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Park H, Ha ES, Kim MS. Complexation of exenatide and cyclodextrin: An approach for the stabilization and sustained release of exenatide in PLGA microsphere. Carbohydr Polym 2021; 266:118169. [PMID: 34044960 DOI: 10.1016/j.carbpol.2021.118169] [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: 02/25/2021] [Revised: 04/10/2021] [Accepted: 05/03/2021] [Indexed: 10/21/2022]
Abstract
The purpose of this study was to evaluate the effects of cyclodextrins (CyDs) to stabilize exnatide in the microencapsulation medium and influence on the pharmaceutical properties of exenatide loaded PLGA microsphere. Three CyDs interacted differently with exenatide by investigation using ultraviolet, fluorescence and circular dichroism spectroscopy. The binding affinities of CyDs to the hydrophobic tryptophan residues of exenatide increased in following order: α-CyD < β-CyD < γ-CyD. It was consistent with orders of W/O interface stabilizing and anti-adsorption effects. However, the stabilizing effect of β-CyD on liquid-state and freeze-drying of exenatide was greater than that of γ-CyD. The negative values of ΔH0, ΔS0, and ΔG0 indicated that the exenatide-CyDs complex formation was a favorable exothermic and spontaneous processes that increased the order in the complex with structural rigidity. Furthermore, it was also shown that β-CyD improved encapsulation efficiency, in vitro extended release, and in vivo pharmacokinetic and pharmacodynamic properties of prepared PLGA microspheres.
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Affiliation(s)
- Heejun Park
- College of Pharmacy, Duksung Women's University, 33, Samyangro 144-gil, Dobong-gu, Seoul 01369, Republic of Korea
| | - Eun-Sol Ha
- College of Pharmacy, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, Republic of Korea
| | - Min-Soo Kim
- College of Pharmacy, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, Republic of Korea.
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6
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Li JF, Zhang JX, Li G, Xu YY, Lu K, Wang ZG, Liu JP. Antimicrobial activity and mechanism of peptide CM4 against Pseudomonas aeruginosa. Food Funct 2020; 11:7245-7254. [PMID: 32766662 DOI: 10.1039/d0fo01031f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Antibacterial peptide CM4 (ABP-CM4) is a small cationic peptide with broad-spectrum activities against bacteria, fungi and tumor cells and may possibly be used as an antimicrobial agent. In this study, a C-terminal amidated antibacterial peptide ABP-CM4 (ABP-CM4N) with the strongest antibacterial activity was obtained through screening the antibacterial activities of ABP-CM4 with different modifications. The minimal inhibitory concentration of ABP-CM4N was 8 μM against P. aeruginosa (ATCC 27853) which was lower than that of ABP-CM4 (16 μM). The strengthened antimicrobial activity of ABP-CM4N may be associated with the increased membrane binding capacity, being two times that of ABP-CM4 (p < 0.001). The antibacterial mechanism of ABP-CM4N to Pseudomonas aeruginosa was examined by means of cell membrane integrity analysiss, the intracellular ultrastructure change observation and E. coli genomic DNA binding assay. It was found that ABP-CM4N had the same antimicrobial mechanism as ABP-CM4, and the aim of the antimicrobial mechanism was mainly to destroy the cell membrane which caused nucleic acid or protein leakage, and secondly to interact with E. coli genomic DNA after penetrating the cell membrane. Furthermore, in vitro ABP-CM4N showed a better bacteriostatic activity in meats, with the treated samples showing two to three times less positive colonies than ABP-CM4.
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Affiliation(s)
- Jian-Feng Li
- Institute of Aging Research, School of Medicine, Hangzhou Normal University, Hangzhou, Zhejiang Province 311121, China.
| | - Jia-Xin Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210046, China
| | - Guo Li
- Department of Biochemistry and Molecular Biology and Key Laboratory of Molecular Biology, School of Basic Medicine and Life Sciences, Hainan Medical College, Haikou, 571199, China
| | - Yan-Yan Xu
- Institute of Aging Research, School of Medicine, Hangzhou Normal University, Hangzhou, Zhejiang Province 311121, China.
| | - Kai Lu
- School of Medicine, Wenzhou Medical College, Wenzhou, Zhejiang Province 325035, China
| | - Zhi-Guo Wang
- Institute of Aging Research, School of Medicine, Hangzhou Normal University, Hangzhou, Zhejiang Province 311121, China.
| | - Jun-Ping Liu
- Institute of Aging Research, School of Medicine, Hangzhou Normal University, Hangzhou, Zhejiang Province 311121, China.
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Drayton M, Kizhakkedathu JN, Straus SK. Towards Robust Delivery of Antimicrobial Peptides to Combat Bacterial Resistance. Molecules 2020; 25:molecules25133048. [PMID: 32635310 PMCID: PMC7412191 DOI: 10.3390/molecules25133048] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/24/2020] [Accepted: 06/30/2020] [Indexed: 12/13/2022] Open
Abstract
Antimicrobial peptides (AMPs), otherwise known as host defence peptides (HDPs), are naturally occurring biomolecules expressed by a large array of species across the phylogenetic kingdoms. They have great potential to combat microbial infections by directly killing or inhibiting bacterial activity and/or by modulating the immune response of the host. Due to their multimodal properties, broad spectrum activity, and minimal resistance generation, these peptides have emerged as a promising response to the rapidly concerning problem of multidrug resistance (MDR). However, their therapeutic efficacy is limited by a number of factors, including rapid degradation, systemic toxicity, and low bioavailability. As such, many strategies have been developed to mitigate these limitations, such as peptide modification and delivery vehicle conjugation/encapsulation. Oftentimes, however, particularly in the case of the latter, this can hinder the activity of the parent AMP. Here, we review current delivery strategies used for AMP formulation, focusing on methodologies utilized for targeted infection site release of AMPs. This specificity unites the improved biocompatibility of the delivery vehicle with the unhindered activity of the free AMP, providing a promising means to effectively translate AMP therapy into clinical practice.
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Affiliation(s)
- Matthew Drayton
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada;
| | - Jayachandran N. Kizhakkedathu
- Department of Pathology and Laboratory Medicine, and Centre for Blood Research, University of British Columbia, 2350 Health Sciences Mall, Life Sciences Centre, Vancouver, BC V6T 1Z3, Canada;
| | - Suzana K. Straus
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada;
- Correspondence: ; Tel.: +1-604-822-2537
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Bahrami A, Delshadi R, Jafari SM, Williams L. Nanoencapsulated nisin: An engineered natural antimicrobial system for the food industry. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.10.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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9
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Xiao Z, Hou W, Kang Y, Niu Y, Kou X. Encapsulation and sustained release properties of watermelon flavor and its characteristic aroma compounds from γ-cyclodextrin inclusion complexes. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.105202] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Seyfi R, Kahaki FA, Ebrahimi T, Montazersaheb S, Eyvazi S, Babaeipour V, Tarhriz V. Antimicrobial Peptides (AMPs): Roles, Functions and Mechanism of Action. Int J Pept Res Ther 2019. [DOI: 10.1007/s10989-019-09946-9] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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11
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Martin-Serrano Á, Gómez R, Ortega P, de la Mata FJ. Nanosystems as Vehicles for the Delivery of Antimicrobial Peptides (AMPs). Pharmaceutics 2019; 11:E448. [PMID: 31480680 PMCID: PMC6781550 DOI: 10.3390/pharmaceutics11090448] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/24/2019] [Accepted: 08/27/2019] [Indexed: 12/13/2022] Open
Abstract
Recently, antimicrobial peptides (AMPs), also called host defence peptides (HDPs), are attracting great interest, as they are a highly viable alternative in the search of new approaches to the resistance presented by bacteria against antibiotics in infectious diseases. However, due to their nature, they present a series of disadvantages such as low bioavailability, easy degradability by proteases, or low solubility, among others, which limits their use as antimicrobial agents. For all these reasons, the use of vehicles for the delivery of AMPs, such as polymers, nanoparticles, micelles, carbon nanotubes, dendrimers, and other types of systems, allows the use of AMPs as a real alternative to treatment with antibiotics.
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Affiliation(s)
- Ángela Martin-Serrano
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
| | - Rafael Gómez
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
| | - Paula Ortega
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain.
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain.
| | - F Javier de la Mata
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain.
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain.
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Zhao J, Zhao G, Liu Y. Antibacterial activity of a hexahydro‐β‐acids/methyl‐β‐cyclodextrin inclusion complex against bacteria related to foodborne illness. J Food Saf 2019. [DOI: 10.1111/jfs.12678] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jiuyang Zhao
- Key Laboratory of Coal Cleaning Conversion and Chemical Engineering Process, Xinjiang Uyghur Autonomous RegionCollege of Chemistry and Chemical Engineering, Xinjiang University Urumqi China
| | - Guanyu Zhao
- Key Laboratory of Coal Cleaning Conversion and Chemical Engineering Process, Xinjiang Uyghur Autonomous RegionCollege of Chemistry and Chemical Engineering, Xinjiang University Urumqi China
| | - Yumei Liu
- Key Laboratory of Coal Cleaning Conversion and Chemical Engineering Process, Xinjiang Uyghur Autonomous RegionCollege of Chemistry and Chemical Engineering, Xinjiang University Urumqi China
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Ephrem E, Najjar A, Charcosset C, Greige-Gerges H. Selection of nerolidol among a series of terpenic and phenolic compounds for its potent activity against Lactobacillus fermentum ATCC 9338. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.02.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Preparation, characterization and molecular modelling of inclusion complex between α-naphthylacetic acid with ethylenediamine-β-cyclodextrin. J INCL PHENOM MACRO 2019. [DOI: 10.1007/s10847-018-00875-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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15
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Characterization and antioxidant activity of the complexes of tertiary butylhydroquinone with β-cyclodextrin and its derivatives. Food Chem 2018; 260:183-192. [DOI: 10.1016/j.foodchem.2018.04.008] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 04/02/2018] [Accepted: 04/04/2018] [Indexed: 11/18/2022]
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16
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Inclusion complexes of pantoprazole with β-cyclodextrin and cucurbit[7]uril: experimental and molecular modeling study. J INCL PHENOM MACRO 2018. [DOI: 10.1007/s10847-018-0814-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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17
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Vieira TI, Câmara JVF, Cardoso JG, Alexandria AK, Pintor AVB, Villaça JC, Cabral LM, Romanos MTV, Fonseca-Gonçalves A, Valença AMG, Maia LC. Cytotoxicity of novel fluoride solutions and their influence on mineral loss from enamel exposed to a Streptococcus mutans biofilm. Arch Oral Biol 2018; 91:57-62. [PMID: 29679886 DOI: 10.1016/j.archoralbio.2018.04.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 03/24/2018] [Accepted: 04/12/2018] [Indexed: 10/17/2022]
Abstract
OBJECTIVE This study evaluated the cytotoxicity, antimicrobial activity and in vitro influence of new fluoridated nanocomplexes on dental demineralization. DESIGN The nanocomplexes hydroxypropyl-β-cyclodextrin with 1% titanium tetrafluoride (TiF4) and γ-cyclodextrin with TiF4 were compared to a positive control (TiF4), a blank control (without treatment) and negative controls (hydroxypropyl-β-cyclodextrin, γ-cyclodextrin, deionized water), following 12- and 72-hour complexation periods. The cytotoxicity was assessed using the neutral red dye uptake assay at T1-15 min, T2-30 min and T3-24 h. A minimum bactericidal concentration (MBC) against Streptococcus mutans (ATCC 25175) was performed. Enamel blocks were exposed to an S. mutans biofilm, and the percentage of surface microhardness loss was obtained. Biocompatibility and microhardness data were analysed using ANOVA/Tukey tests (p < 0.05). RESULTS At T1, the cell viability results of the nanocomplexes were similar to that of the blank control. At T2 and T3, the 72 h nanocomplexes demonstrated cell viability results similar to that of the blank, while the 12 h solutions showed results different from that of the blank (p < 0.05). All fluoridated nanocompounds inhibited S. mutans (MBC = 0.25%), while the MBC of TiF4 alone was 0.13%. All fluoridated compounds presented a percentage of surface microhardness loss lower than that of deionized water (p < 0.05). CONCLUSIONS The new fluoridated nanocomplexes did not induce critical cytotoxic effects during the experimental periods, whilst they did show bactericidal potential against S. mutans and inhibited enamel mineral loss.
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Affiliation(s)
- Thiago Isidro Vieira
- Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | | | | | - Adílis Kalina Alexandria
- Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Andréa Vaz Braga Pintor
- Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | | | - Lúcio Mendes Cabral
- School of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Maria Teresa Villela Romanos
- Laboratório Experimental de Drogas Antivirais e Citotóxicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Andrea Fonseca-Gonçalves
- Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Ana Maria Gondim Valença
- Department of Clinic and Social Dentistry, School of Dentistry, Universidade Federal da Paraíba, Paraíba, Brazil.
| | - Lucianne Cople Maia
- Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
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A modeling study by response surface methodology (RSM) on Th(IV) adsorption optimization using a sulfated β-cyclodextrin inclusion complex. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3286-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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