1
|
Kang NW, Seo YA, Jackson KJ, Jang K, Song E, Han U, Chen F, Heilshorn SC, Myung D. Photoactivated growth factor release from bio-orthogonally crosslinked hydrogels for the regeneration of corneal defects. Bioact Mater 2024; 40:417-429. [PMID: 39022184 PMCID: PMC11252716 DOI: 10.1016/j.bioactmat.2024.05.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 05/15/2024] [Accepted: 05/28/2024] [Indexed: 07/20/2024] Open
Abstract
In situ-forming hydrogels are an attractive option for corneal regeneration, and the delivery of growth factors from such constructs have the potential to improve re-epithelialization and stromal remodeling. However, challenges persist in controlling the release of therapeutic molecules from hydrogels. Here, an in situ-forming bio-orthogonally crosslinked hydrogel containing growth factors tethered via photocleavable linkages (PC-HACol hydrogel) was developed to accelerate corneal regeneration. Epidermal growth factor (EGF) was conjugated to the hydrogel backbone through photo-cleavable (PC) spacer arms and was released when exposed to mild intensity ultraviolet (UV) light (2-5 mW/cm2, 365 nm). The PC-HACol hydrogel rapidly gelled within a few minutes when applied to corneal defects, with excellent transparency and biocompatibility. After subsequent exposure to UV irradiation, the hydrogel promoted the proliferation and migration of corneal epithelial cells in vitro. The rate of re-epithelialization was positively correlated to the frequency of irradiation, verified through ex vivo rabbit cornea organ culture studies. In an in vivo rat corneal wound healing study, the PC-HACol hydrogel exposed to UV light significantly promoted re-epithelialization, the remodeling of stromal layers, and exhibited significant anti-scarring effects, with minimal α-SMA and robust ALDH3A1 expression. Normal differentiation of the regenerated epithelia after healing was evaluated by expression of the corneal epithelial biomarker, CK12. The remodeled cornea exhibited full recovery of corneal thickness and layer number without hyperplasia of the epithelium.
Collapse
Affiliation(s)
- Nae-Won Kang
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
| | - Youngyoon Amy Seo
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
| | - Kevin J. Jackson
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
| | - Kyeongwoo Jang
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
| | - Euisun Song
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
| | - Uiyoung Han
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
| | - Fang Chen
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
| | - Sarah C. Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, United States
| | - David Myung
- Department of Ophthalmology, Byers Eye Institute at Stanford University, School of Medicine, Palo Alto, CA 94304, United States
- Department of Chemical Engineering, Stanford University, Palo Alto, CA 94305, United States
- VA Palo Alto HealthCare System, Palo Alto, CA 94304, United States
| |
Collapse
|
2
|
Li W, Li G, Xu W, Li Z, Qu H, Ma C, Zhang H, Cai M, Bahojb Noruzi E, Quan J, Periyasami G, Li H. Visible Light-Gating Responsive Nanochannel for Controlled Release of the Fungicide. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401503. [PMID: 38705860 DOI: 10.1002/smll.202401503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/10/2024] [Indexed: 05/07/2024]
Abstract
Fungicides have been widely used to protect crops from the disease of pythium aphanidermatum (PA). However, excessive use of synthetic fungicides can lead to fungal pathogens developing microbicide resistance. Recently, biomimetic nano-delivery systems have been used for controlled release, reducing the overuse of fungicides, and thereby protecting the environment. In this paper, inspired by chloroplast membranes, visible light biomimetic channels are constructed by using retinal, the main component of green pigment on chloroplasts in plants, which can achieve the precise controlled release of the model fungicide methylene blue (MB). The experimental results show that the biomimetic channels have good circularity after and before light conditions. In addition, it is also found that the release of MB in visible light by the retinal-modified channels is 8.78 µmol·m-2·h-1, which is four times higher than that in the before light conditions. Furthermore, MB, a bactericide drug model released under visible light, can effectively inhibit the growth of PA, reaching a 97% inhibition effect. The biomimetic nanochannels can realize the controlled release of the fungicide MB, which provides a new way for the treatment of PA on the leaves surface of cucumber, further expanding the application field of biomimetic nanomembrane carrier materials.
Collapse
Affiliation(s)
- Wenjie Li
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Guang Li
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Weiwei Xu
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Ziheng Li
- Hubei Central China Normal University Overseas Study Service Center, Central China Normal University, Wuhan, 430079, P. R. China
| | - Haonan Qu
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Cuiguang Ma
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Haifan Zhang
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Meng Cai
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Ehsan Bahojb Noruzi
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Jiaxin Quan
- Department of Chemistry and Environmental Engineering, Hanjiang Normal University, Shiyan, 442000, P. R. China
| | - Govindasami Periyasami
- Department of Chemistry, College of Science, King Saud University, P.O.Box 2455, Riyadh, 11451, Saudi Arabia
| | - Haibing Li
- State Key Laboratory of Green Pesticide (CCNU) , College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| |
Collapse
|
3
|
Zhu Z, Chen T, Wu Y, Wu X, Lang Z, Huang F, Zhu P, Si T, Xu RX. Microfluidic strategies for engineering oxygen-releasing biomaterials. Acta Biomater 2024; 179:61-82. [PMID: 38579919 DOI: 10.1016/j.actbio.2024.03.032] [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: 10/31/2023] [Revised: 02/26/2024] [Accepted: 03/29/2024] [Indexed: 04/07/2024]
Abstract
In the field of tissue engineering, local hypoxia in large-cell structures (larger than 1 mm3) poses a significant challenge. Oxygen-releasing biomaterials supply an innovative solution through oxygen delivery in a sustained and controlled manner. Compared to traditional methods such as emulsion, sonication, and agitation, microfluidic technology offers distinct benefits for oxygen-releasing material production, including controllability, flexibility, and applicability. It holds enormous potential in the production of smart oxygen-releasing materials. This review comprehensively covers the fabrication and application of microfluidic-enabled oxygen-releasing biomaterials. To begin with, the physical mechanism of various microfluidic technologies and their differences in oxygen carrier preparation are explained. Then, the distinctions among diverse oxygen-releasing components in regards for oxygen-releasing mechanism, oxygen-carrying capacity, and duration of oxygen release are presented. Finally, the present obstacles and anticipated development trends are examined together with the application outcomes of oxygen-releasing biomaterials based on microfluidic technology in the biomedical area. STATEMENT OF SIGNIFICANCE: Oxygen is essential for sustaining life, and hypoxia (a condition of low oxygen) is a significant challenge in various diseases. Microfluidic-based oxygen-releasing biomaterials offer precise control and outstanding performance, providing unique advantages over traditional approaches for tissue engineering. However, comprehensive reviews on this topic are currently lacking. In this review, we provide a comprehensive analysis of various microfluidic technologies and their applications for developing oxygen-releasing biomaterials. We compare the characteristics of organic and inorganic oxygen-releasing biomaterials and highlight the latest advancements in microfluidic-enabled oxygen-releasing biomaterials for tissue engineering, wound healing, and drug delivery. This review may hold the potential to make a significant contribution to the field, with a profound impact on the scientific community.
Collapse
Affiliation(s)
- Zhiqiang Zhu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui 230026, China; Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei, Anhui 230026, China; Department of Mechanical Engineering, City University of Hong Kong, Hong Kong 999077, China
| | - Tianao Chen
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China; Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Yongqi Wu
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China; Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Xizhi Wu
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China; Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Zhongliang Lang
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China; Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Fangsheng Huang
- Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Pingan Zhu
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong 999077, China
| | - Ting Si
- Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230026, China.
| | - Ronald X Xu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui 230026, China; Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei, Anhui 230026, China; School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China; Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China.
| |
Collapse
|
4
|
Guo B, Chen T, Hu X, Yang C, Shi Z, Wang Z, Wu X, Shen S, Ding W, Huang F, Zhu Z, Xu RX. Programmable Photoswitchable Microcapsules Enable Precise and Tailored Drug Delivery from Microfluidics. ACS APPLIED MATERIALS & INTERFACES 2024; 16:6447-6461. [PMID: 38266393 DOI: 10.1021/acsami.3c17621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
The development of precision personalized medicine poses a significant need for the next generation of advanced diagnostic and therapeutic technologies, and one of the key challenges is the development of highly time-, space-, and dose-controllable drug delivery systems that respond to the complex physiopathology of patient populations. In response to this challenge, an increasing number of stimuli-responsive smart materials are integrated into biomaterial systems for precise targeted drug delivery. Among them, responsive microcapsules prepared by droplet microfluidics have received much attention. In this study, we present a UV-visible light cycling mediated photoswitchable microcapsule (PMC) with dynamic permeability-switching capability for precise and tailored drug release. The PMCs were fabricated using a programmable pulsed aerodynamic printing (PPAP) technique, encapsulating an aqueous core containing magnetic nanoparticles and the drug doxorubicin (DOX) within a poly(lactic-co-glycolic acid) (PLGA) composite shell modified by PEG-b-PSPA. Selective irradiation of PMCs with ultraviolet (UV) or visible light (Vis) allows for high-precision time-, space-, and dose-controlled release of the therapeutic agent. An experimentally validated theoretical model was developed to describe the drug release pattern, holding promise for future customized programmable drug release applications. The therapeutic efficacy and value of patternable cancer cell treatment activated by UV radiation is demonstrated by our experimental results. After in vitro transcatheter arterial chemoembolization (TACE), PMCs can be removed by external magnetic fields to mitigate potential side effects. Our findings demonstrate that PMCs have the potential to integrate embolization, on-demand drug delivery, magnetic actuation, and imaging properties, highlighting their immense potential for tailored drug delivery and embolic therapy.
Collapse
Affiliation(s)
- Buyun Guo
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui 230026, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Tianao Chen
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Xianglong Hu
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Chen Yang
- Center for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhengdi Shi
- Center for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhaojun Wang
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Xizhi Wu
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Shuwei Shen
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Weiping Ding
- Center for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Fangsheng Huang
- Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhiqiang Zhu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui 230026, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Ronald X Xu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui 230026, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei, Anhui 230026, China
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| |
Collapse
|
5
|
Li C, Zhang C, Zhao R, Zhao N, Liu R, Zhang Y, Jia M, Wang S. Porous Electrospun Films with Reversible Photoresponsive Microenvironmental Humidity Regulation: A Controllable Hydrogen-Bonding Synergistic Effect Exhibited by Acrylic Acid Segments. ACS APPLIED MATERIALS & INTERFACES 2023; 15:6187-6201. [PMID: 36655841 DOI: 10.1021/acsami.2c20035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Suitable relative humidity is essential for the preservation of cultural relics, food storage, and so on. A special material that can regulate the relative humidity in the microenvironment is particularly important. In this work, several innovative electrospun films with reversible photoresponsive wettability and the ability to regulate microenvironmental relative humidity were prepared. The spiropyran unit of the synthesized copolymer played the most important role in humidity regulation due to its reversible transition between a nonpolar ring-closed state and a polar ring-opened state induced by alternating ultraviolet/visible illumination. More interestingly, the introduction of acrylic acid segments exhibited a controllable hydrogen bond synergistic effect for increasing the range of humidity regulation. The color change and the reversible change ranges of wettability and microenvironmental relative humidity under ultraviolet/visible irradiation are all closely related to the number of acrylic acid segments. Cassie theory, density functional theory (DFT), and interaction region indicator (IRI) analysis were used to characterize this phenomenon. Electrospinning is a promising method to achieve large-scale production that can put such material into practical applications.
Collapse
Affiliation(s)
- Chunhao Li
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ce Zhang
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ruisheng Zhao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ning Zhao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ruian Liu
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Yang Zhang
- Inner Mongolia Key Laboratory of Environmental Chemistry, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Meilin Jia
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Shuai Wang
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| |
Collapse
|
6
|
Radu ER, Voicu SI, Thakur VK. Polymeric Membranes for Biomedical Applications. Polymers (Basel) 2023; 15:polym15030619. [PMID: 36771921 PMCID: PMC9919920 DOI: 10.3390/polym15030619] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/16/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023] Open
Abstract
Polymeric membranes are selective materials used in a wide range of applications that require separation processes, from water filtration and purification to industrial separations. Because of these materials' remarkable properties, namely, selectivity, membranes are also used in a wide range of biomedical applications that require separations. Considering the fact that most organs (apart from the heart and brain) have separation processes associated with the physiological function (kidneys, lungs, intestines, stomach, etc.), technological solutions have been developed to replace the function of these organs with the help of polymer membranes. This review presents the main biomedical applications of polymer membranes, such as hemodialysis (for chronic kidney disease), membrane-based artificial oxygenators (for artificial lung), artificial liver, artificial pancreas, and membranes for osseointegration and drug delivery systems based on membranes.
Collapse
Affiliation(s)
- Elena Ruxandra Radu
- Department of Analytical Chemistry and Environmental Engineering, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Stefan Ioan Voicu
- Department of Analytical Chemistry and Environmental Engineering, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Correspondence: (S.I.V.); (V.K.T.)
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, Scotland’s Rural College (SRUC), Kings Buildings, Edinburgh EH9 3JG, UK
- School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India
- Centre for Research & Development, Chandigarh University, Mohali 140413, Punjab, India
- Correspondence: (S.I.V.); (V.K.T.)
| |
Collapse
|
7
|
Shao Y, Xiang L, Zhang W, Chen Y. Responsive shape-shifting nanoarchitectonics and its application in tumor diagnosis and therapy. J Control Release 2022; 352:600-618. [PMID: 36341936 DOI: 10.1016/j.jconrel.2022.10.046] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 10/19/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
Abstract
Nanodrug delivery system has a great application in the treatment of solid tumors by virtue of EPR effect, though its success in clinics is still limited by its poor extravasation, small intratumoral accumulation, and weak tumor penetration. The shape of nanoparticles (NPs) greatly affects their circulation time, flow behavior, intratumoral amassing, cell internalization as well as tumor tissue penetration. Generally, short nanorods and 100-200 nm spherical nanocarriers possess nice circulation behaviors, nanorods and nanofibers with a large aspect ratio (AR) cumulate well at tumor sites, and tiny nanospheres/disks (< 50 nm) and short nanorods with a low AR achieve a favorable tumor tissue penetration. The AR and surface evenness of NPs also tune their cell contact, cell ingestion, and drug accumulation at tumor sites. Therefore, adopting stimulus-responsive shape-switching (namely, shape-shifting nanoarchitectonics) can not only ensure a good circulation and extravasation for NPs, but also and more importantly, promote their amassing, retention, and penetration in tumor tissues to maximize therapeutic efficacy. Here we review the recently developed shape-switching nanoarchitectonics of antitumoral NPs based on stimulus-responsiveness, demonstrate how successful they are in tumor shrinking and elimination, and provide new ideas for the optimization of anticancer nanotherapeutics.
Collapse
Affiliation(s)
- Yaru Shao
- Institute of Pharmacy & Pharmacology, School of Pharmaceutical Science, University of South China, Hengyang 421001, China
| | - Li Xiang
- Hengyang Medical School, University of South China, Hengyang 410001, China
| | - Wenhui Zhang
- Institute of Pharmacy & Pharmacology, School of Pharmaceutical Science, University of South China, Hengyang 421001, China
| | - Yuping Chen
- Institute of Pharmacy & Pharmacology, School of Pharmaceutical Science, University of South China, Hengyang 421001, China.
| |
Collapse
|
8
|
Muzzio N, Eduardo Martinez-Cartagena M, Romero G. Soft nano and microstructures for the photomodulation of cellular signaling and behavior. Adv Drug Deliv Rev 2022; 190:114554. [PMID: 36181993 DOI: 10.1016/j.addr.2022.114554] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 08/25/2022] [Accepted: 09/23/2022] [Indexed: 01/24/2023]
Abstract
Photoresponsive soft materials are everywhere in the nature, from human's retina tissues to plants, and have been the inspiration for engineers in the development of modern biomedical materials. Light as an external stimulus is particularly attractive because it is relatively cheap, noninvasive to superficial biological tissues, can be delivered contactless and offers high spatiotemporal control. In the biomedical field, soft materials that respond to long wavelength or that incorporate a photon upconversion mechanism are desired to overcome the limited UV-visible light penetration into biological tissues. Upon light exposure, photosensitive soft materials respond through mechanisms of isomerization, crosslinking or cleavage, hyperthermia, photoreactions, electrical current generation, among others. In this review, we discuss the most recent applications of photosensitive soft materials in the modulation of cellular behavior, for tissue engineering and regenerative medicine, in drug delivery and for phototherapies.
Collapse
Affiliation(s)
- Nicolas Muzzio
- Department of Biomedical Engineering and Chemical Engineering, The University of Texas at San Antonio, San Antonio, TX 78249, USA.
| | | | - Gabriela Romero
- Department of Biomedical Engineering and Chemical Engineering, The University of Texas at San Antonio, San Antonio, TX 78249, USA.
| |
Collapse
|