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Reza AHMM, Zhu X, Qin J, Tang Y. Microalgae-Derived Health Supplements to Therapeutic Shifts: Redox-Based Study Opportunities with AIE-Based Technologies. Adv Healthc Mater 2021; 10:e2101223. [PMID: 34468087 DOI: 10.1002/adhm.202101223] [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: 06/21/2021] [Revised: 08/16/2021] [Indexed: 12/14/2022]
Abstract
Reactive oxygen species (ROS) are highly reactive molecules, serve the normal signaling in different cell types. Targeting ROS as the chemical signals, different stress based strategies have been developed to synthesis different anti-inflammatory molecules in microalgae. These molecules could be utilized as health supplements in human. To provoke the ROS-mediated defence systems, their connotation with the associated conditions must be well understood, therefore, proper tools for studying ROS in natural state are essential. The in vivo detection of ROS with phosphorescent probes offers promising opportunities to study these molecules in a non-invasive manner. Most of the common problems in the traditional fluorescent probes are lower photostability, excitation intensity, slow responsiveness, and the microenvironment that challenge their performance. Some ROS-specific aggregationinduced emission luminogens (AIEgens) with pronounced spatial and temporal resolution have recently demonstrated high selectivity, rapid responsiveness, and efficacies to resolve the aggregation-caused quenching issues. The nanocomposites of some AIE-photosensitizers can also improve the ROS-mediated photodynamic therapy. These AIEgens could be used to induce bioactive components in microalgae through altering the ROS signaling, therefore are more auspicious for biomedical research. This study reviews the prospects of AIEgen-based technologies to understand the ROS mediated bio-physiological processes in microalgae for better healthcare benefits.
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Affiliation(s)
- A. H. M. Mohsinul Reza
- College of Science and Engineering Flinders University South Australia 5042 Australia
- Institute for NanoScale Science and Technology Medical Device Research Institute College of Science and Engineering Flinders University South Australia 5042 Australia
| | - Xiaochen Zhu
- College of Science and Engineering Flinders University South Australia 5042 Australia
- Institute for NanoScale Science and Technology Medical Device Research Institute College of Science and Engineering Flinders University South Australia 5042 Australia
| | - Jianguang Qin
- College of Science and Engineering Flinders University South Australia 5042 Australia
| | - Youhong Tang
- College of Science and Engineering Flinders University South Australia 5042 Australia
- Institute for NanoScale Science and Technology Medical Device Research Institute College of Science and Engineering Flinders University South Australia 5042 Australia
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Reza AHMM, Zhou Y, Qin J, Tang Y. Aggregation-induced emission luminogens for lipid droplet imaging. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2021; 184:101-144. [PMID: 34749970 DOI: 10.1016/bs.pmbts.2021.06.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Lipid droplets (LDs) are evolutionarily conserved organelles involved in energy homeostasis and versatile intracellular processes in different cell types. Their importance is ubiquitous, ranges from utilization as the biofunctional components to third-generation biofuel production from microalgae, while morphology and functional perturbations could also relate to the multiple diseases in higher mammals. Biosynthesis of lipids can be triggered by multiple factors related to organismal physiology and the surrounding environment. An early prediction of this might help take necessary actions toward desired outcomes. In vivo visualization of LDs can give molecular insight into regulatory mechanisms and the underlying connections with other cellular structures. Traditional bioprobes for LDs detection often suffer from different dye-specific limitations such as aggregation-caused quenching and self-decomposition phenomena that hinder the research advancement. The emergence of lipid-specific nanoprobes with aggregation-induced emission (AIE) attributes in recent years is promising in remunerative characteristics with defined bioimaging properties. By utilizing the easy synthetic techniques and exploiting the unique physical features of these molecules, highly selective, stable, biocompatible and facile fluorescent probes could be fabricated for lipid detection. This chapter will provide up-to-date insight into the recent advances in lipid-specific AIE-based probes to enhance the opportunities for basic research related to the distinct roles of LDs in living organisms.
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Affiliation(s)
- A H M Mohsinul Reza
- College of Science and Engineering, Flinders University, Adelaide, SA, Australia; Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, Adelaide, SA, Australia
| | - Yabin Zhou
- College of Science and Engineering, Flinders University, Adelaide, SA, Australia
| | - Jianguang Qin
- College of Science and Engineering, Flinders University, Adelaide, SA, Australia.
| | - Youhong Tang
- College of Science and Engineering, Flinders University, Adelaide, SA, Australia; Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, Adelaide, SA, Australia.
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Wang S, Li X, Chong SY, Wang X, Chen H, Chen C, Ng LG, Wang JW, Liu B. In Vivo Three-Photon Imaging of Lipids using Ultrabright Fluorogens with Aggregation-Induced Emission. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007490. [PMID: 33576084 DOI: 10.1002/adma.202007490] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/30/2020] [Indexed: 06/12/2023]
Abstract
Fluorescent probes capable of in vivo lipids labeling are highly desirable for studying lipid-accumulation-related metabolic diseases, such as nonalcoholic fatty liver disease, type-2 diabetes, and atherosclerosis. However, most of the current lipid-specific fluorophores cannot be used for in vivo labeling due to their strong hydrophobicity. Herein, organic dots from bright luminogens with aggregation-induced emission (AIEgen) are developed for in vivo labeling and three-photon fluorescence imaging of lipid-rich tissues, such as fatty liver, atherosclerotic plaques in brain vasculatures, and carotid arteries. The organic dots show excellent stability in an aqueous medium with high targeting specificity to lipids and strong three-photon fluorescence in the far-red/near-infrared (NIR) region under NIR-II laser excitation, which enables efficient in vivo labeling and imaging of lipids in deep tissues. The study will inspire the development of lipid-targeting fluorophores for in vivo applications.
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Affiliation(s)
- Shaowei Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Xueqi Li
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Suet Yen Chong
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, Singapore, 119228, Singapore
- Cardiovascular Research Institute (CVRI), National University Heart Centre Singapore (NUHCS), 14 Medical Drive, Singapore, 117599, Singapore
| | - Xiaoyuan Wang
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, Singapore, 119228, Singapore
- Cardiovascular Research Institute (CVRI), National University Heart Centre Singapore (NUHCS), 14 Medical Drive, Singapore, 117599, Singapore
| | - Huan Chen
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Chengjian Chen
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Lai Guan Ng
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, Singapore, 138648, Singapore
| | - Jiong-Wei Wang
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, Singapore, 119228, Singapore
- Cardiovascular Research Institute (CVRI), National University Heart Centre Singapore (NUHCS), 14 Medical Drive, Singapore, 117599, Singapore
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, 2 Medical Drive, Singapore, 117593, Singapore
| | - Bin Liu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
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Gao Q, Han T, Liu X, Qiu Z, Liu S, Wei P, Wang X, Lam JWY, Tang BZ. Facile Synthesis of Functional Processable Fluoropolydienes by Alkyne-Based Multicomponent Polycouplings. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01527] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qingqing Gao
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
- School of Materials Science and Engineering, Xiamen University of Technology, Ligong Road No.600, Jimei District, Xiamen 361024, China
| | - Ting Han
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Xiaolin Liu
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
| | - Zijie Qiu
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
| | - Shunjie Liu
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
| | - Peifa Wei
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
| | - Xinnan Wang
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
| | - Jacky W. Y. Lam
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
- HKUST-Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan, Shenzhen 518057, China
| | - Ben Zhong Tang
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Institute of Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 122001, Hong Kong, China
- HKUST-Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan, Shenzhen 518057, China
- Center for Aggregation-Induced Emission, SCUT-HKUST Joint Research Institute, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China
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