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Gafar MA, Omolo CA, Elhassan E, Ibrahim UH, Govender T. Applications of peptides in nanosystems for diagnosing and managing bacterial sepsis. J Biomed Sci 2024; 31:40. [PMID: 38637839 PMCID: PMC11027418 DOI: 10.1186/s12929-024-01029-2] [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: 02/25/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024] Open
Abstract
Sepsis represents a critical medical condition stemming from an imbalanced host immune response to infections, which is linked to a significant burden of disease. Despite substantial efforts in laboratory and clinical research, sepsis remains a prominent contributor to mortality worldwide. Nanotechnology presents innovative opportunities for the advancement of sepsis diagnosis and treatment. Due to their unique properties, including diversity, ease of synthesis, biocompatibility, high specificity, and excellent pharmacological efficacy, peptides hold great potential as part of nanotechnology approaches against sepsis. Herein, we present a comprehensive and up-to-date review of the applications of peptides in nanosystems for combating sepsis, with the potential to expedite diagnosis and enhance management outcomes. Firstly, sepsis pathophysiology, antisepsis drug targets, current modalities in management and diagnosis with their limitations, and the potential of peptides to advance the diagnosis and management of sepsis have been adequately addressed. The applications have been organized into diagnostic or managing applications, with the last one being further sub-organized into nano-delivered bioactive peptides with antimicrobial or anti-inflammatory activity, peptides as targeting moieties on the surface of nanosystems against sepsis, and peptides as nanocarriers for antisepsis agents. The studies have been grouped thematically and discussed, emphasizing the constructed nanosystem, physicochemical properties, and peptide-imparted enhancement in diagnostic and therapeutic efficacy. The strengths, limitations, and research gaps in each section have been elaborated. Finally, current challenges and potential future paths to enhance the use of peptides in nanosystems for combating sepsis have been deliberately spotlighted. This review reaffirms peptides' potential as promising biomaterials within nanotechnology strategies aimed at improving sepsis diagnosis and management.
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Affiliation(s)
- Mohammed A Gafar
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa
- Department of Pharmaceutics, Faculty of Pharmacy, University of Khartoum, P.O. Box 1996, Khartoum, Sudan
| | - Calvin A Omolo
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa.
- Department of Pharmaceutics and Pharmacy Practice, School of Pharmacy and Health Sciences, United States International University-Africa, P. O. Box 14634-00800, Nairobi, Kenya.
| | - Eman Elhassan
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa
| | - Usri H Ibrahim
- Discipline of Human Physiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Thirumala Govender
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa.
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Yang Z, Jaiswal A, Yin Q, Lin X, Liu L, Li J, Liu X, Xu Z, Li JJ, Yong KT. Chiral nanomaterials in tissue engineering. NANOSCALE 2024; 16:5014-5041. [PMID: 38323627 DOI: 10.1039/d3nr05003c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Addressing significant medical challenges arising from tissue damage and organ failure, the field of tissue engineering has evolved to provide revolutionary approaches for regenerating functional tissues and organs. This involves employing various techniques, including the development and application of novel nanomaterials. Among them, chiral nanomaterials comprising non-superimposable nanostructures with their mirror images have recently emerged as innovative biomaterial candidates to guide tissue regeneration due to their unique characteristics. Chiral nanomaterials including chiral fibre supramolecular hydrogels, polymer-based chiral materials, self-assembling peptides, chiral-patterned surfaces, and the recently developed intrinsically chiroptical nanoparticles have demonstrated remarkable ability to regulate biological processes through routes such as enantioselective catalysis and enhanced antibacterial activity. Despite several recent reviews on chiral nanomaterials, limited attention has been given to the specific potential of these materials in facilitating tissue regeneration processes. Thus, this timely review aims to fill this gap by exploring the fundamental characteristics of chiral nanomaterials, including their chiroptical activities and analytical techniques. Also, the recent advancements in incorporating these materials in tissue engineering applications are highlighted. The review concludes by critically discussing the outlook of utilizing chiral nanomaterials in guiding future strategies for tissue engineering design.
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Affiliation(s)
- Zhenxu Yang
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Arun Jaiswal
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Qiankun Yin
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Xiaoqi Lin
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Lu Liu
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Jiarong Li
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Xiaochen Liu
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Zhejun Xu
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Jiao Jiao Li
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Ken-Tye Yong
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
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Wang B, Wang Y, Zhang X, Liu Y. Low temperature synthesis of chiral carbon dots for reducing H 2O 2 damage. Colloids Surf B Biointerfaces 2024; 235:113784. [PMID: 38364522 DOI: 10.1016/j.colsurfb.2024.113784] [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: 10/19/2023] [Revised: 01/11/2024] [Accepted: 02/01/2024] [Indexed: 02/18/2024]
Abstract
Recently, researches focused towards the chiral nanostructures have attracted vast attention. However, the synthesis of chiral carbon dots (CDs) through one-step method is still rather scarce. Herein, a universal approach to green synthesis of chiral CDs at low temperature was proposed. In brief, L-FruCDs and D-FruCDs were obtained by only heating the fructose and chiral cysteine molecules in the sodium hydroxide aqueous solution under atmospheric pressure. Circular dichroism spectra show that these prepared CDs exhibit opposite chirality ranging from 210 to 260 nm. Specially, the prepared L-FruCDs could reduce the intracellular oxidative damage induced by hydrogen peroxide and display a superior performance than that of D-FruCDs. Mechanism studies indicate that the probably protect mechanism is ascribed to the directly consumption the intracellular ROS. And the clearance efficiency of intracellular reactive oxygen species of L-FruCDs is 3-times than that of D-FruCDs. Furthermore, this newly synthesized method is scalable by replacing fructose precursor with ascorbic acid, sucrose or lactose. In sum, our work provides a new method for the preparation of chiral CDs and achieve a great success in exploring the chiral biological effects at nanoscale.
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Affiliation(s)
- Beibei Wang
- Department of Chemistry, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China; Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, PR China
| | - Yuying Wang
- Department of Chemistry, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Xiaoyang Zhang
- Department of Chemistry, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Yi Liu
- Department of Chemistry, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China; School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, PR China.
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Huang X, Lu C, Zhang W, Liu L, Zha Z, Miao Z. Chiral Sulfur Nanosheets for Dual-Selective Inhibition of Gram-Positive Bacteria. ACS NANO 2023; 17:14893-14903. [PMID: 37466081 DOI: 10.1021/acsnano.3c03458] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Elemental sulfur is the oldest known antimicrobial agent. However, conventional sulfur in the clinic suffers from poor aqueous solubility and limited antibacterial activity, greatly hindering its practical use. Herein, we report a reform strategy coupling dimension engineering with chirality transfer to convert conventional 3D sulfur particles into chiral 2D sulfur nanosheets (S-NSs), which exhibit 50-fold improvement of antibacterial capability and dual-selective inhibition against Gram-positive bacteria. Benefiting from the inherent selectivity of S-NSs and chirality selectivity from decorated d-histidine, the obtained chiral S-NSs are proven to precisely kill Gram-positive drug-resistant bacteria, while no obvious bacterial inhibition is observed for Gram-negative bacteria. Mechanism studies reveal that S-NSs produce numerous reactive oxygen specipoes and hydrogen sulfide after incubation with bacteria, thus causing bacterial membrane destruction, respiratory chain damage, and ATP production inhibition. Upon spraying chiral S-NSs dispersions onto MRSA-infected wounds, the skin healing process was greatly accelerated in 8 days due to metabolism inhibition and oxidative damage of bacteria, indicating the excellent treatment efficiency of MRSA-infected wounds. This work converts the traditional well-known sulfur into modern antibacterial agents with a superior Gram-selectivity bactericidal capability.
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Affiliation(s)
- Xiang Huang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Chenxin Lu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Wenjie Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Lulu Liu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Zhengbao Zha
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Zhaohua Miao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
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Guo L, Guo Y, Wang R, Feng J, Shao N, Zhou X, Zhou Y. Interface Chirality: From Biological Effects to Biomedical Applications. Molecules 2023; 28:5629. [PMID: 37570600 PMCID: PMC10419656 DOI: 10.3390/molecules28155629] [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: 06/12/2023] [Revised: 07/16/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023] Open
Abstract
Chiral surface is a critical mediator that significantly impacts interaction with biological systems on regulating cell behavior. To better understand how the properties of interfacial Chirality affect cell behavior and address the limitations of chiral materials for biomedical applications, in this review, we mainly focus on the recent developments of chiral bio-interfaces for the controllable and accurate guidance of chiral biomedical phenomena. In particular, we will discuss how cells or organisms sense and respond to the chiral stimulus, as well as the chirality mediating cell fate, tissue repair, and organism immune response will be reviewed. In addition, the biological applications of chirality, such as drug delivery, antibacterial, antivirus and antitumor activities, and biological signal detection, will also be reviewed. Finally, the challenges of chiral bio-interfaces for controlling biological response and the further application of interface chirality materials for biomedical will be discussed.
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Affiliation(s)
- Liting Guo
- Joint Research Centre on Medicine, Affiliated Xiangshan Hospital, Wenzhou Medical University, Ningbo 315700, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Yanqiu Guo
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Rui Wang
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Jie Feng
- School of Pharmacy, Queens University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Nannan Shao
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Xiaolin Zhou
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Yunlong Zhou
- Joint Research Centre on Medicine, Affiliated Xiangshan Hospital, Wenzhou Medical University, Ningbo 315700, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
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Kaur C, Kaur V, Rai S, Sharma M, Sen T. Selective recognition of the amyloid marker single thioflavin T using DNA origami-based gold nanobipyramid nanoantennas. NANOSCALE 2023; 15:6170-6178. [PMID: 36917482 DOI: 10.1039/d2nr06389a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The development of effective methods for the detection of protein misfolding is highly beneficial for early stage medical diagnosis and the prevention of many neurodegenerative diseases. Self-assembled plasmonic nanoantennas with precisely tunable nanogaps show extraordinary electromagnetic enhancement, generating extreme signal amplification imperative for the design of ultrasensitive biosensors for point of care applications. Herein, we report the custom arrangement of Au nanobipyramid (Au NBP) monomer and dimer nanoantennas engineered precisely based on the DNA origami technique. Furthermore, we demonstrate the SERS based detection of thioflavin T (ThT), a well-established marker for the detection of amyloid fibril formation, where G-Quadruplexes govern the site-specific attachment of ThT in the plasmonic hotspot. This is the first study for the SERS based detection of the ThT dye attached specifically using a G-Quadruplex complex. The spectroscopic signals of ThT were greatly enhanced due to the designed nanoantennas demonstrating their potential as superior SERS substrates. This study paves the way for boosting the design of next-generation diagnostic tools for the specific and precise detection of various target disease biomarkers using molecular probes.
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Affiliation(s)
- Charanleen Kaur
- Institute of Nano Science and Technology, Sector-81, Mohali, Punjab - 140306, India.
| | - Vishaldeep Kaur
- Institute of Nano Science and Technology, Sector-81, Mohali, Punjab - 140306, India.
| | - Shikha Rai
- Institute of Nano Science and Technology, Sector-81, Mohali, Punjab - 140306, India.
| | - Mridu Sharma
- Institute of Nano Science and Technology, Sector-81, Mohali, Punjab - 140306, India.
| | - Tapasi Sen
- Institute of Nano Science and Technology, Sector-81, Mohali, Punjab - 140306, India.
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