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Yang D, Zhao W, Zhang S, Liu Y, Teng J, Ma Y, Huang R, Wei H, Chen H, Zhang J, Chen J. Dual Self-Assembly of Puerarin and Silk Fibroin into Supramolecular Nanofibrillar Hydrogel for Infected Wound Treatment. Adv Healthc Mater 2024; 13:e2400071. [PMID: 38501563 DOI: 10.1002/adhm.202400071] [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: 01/07/2024] [Revised: 03/04/2024] [Indexed: 03/20/2024]
Abstract
The treatment of infected wounds remains a challenging biomedical problem. Some bioactive small-molecule hydrogelators with unique rigid structures can self-assemble into supramolecular hydrogels for wound healing. However, they are still suffered from low structural stability and bio-functionality. Herein, a supramolecular hydrogel antibacterial dressing with a dual nanofibrillar network structure is proposed. A nanofibrillar network created by a small-molecule hydrogelator, puerarin extracted from the traditional Chinese medicine Pueraria, is interconnected with a secondary macromolecular silk fibroin nanofibrillar network induced by Ga ions via charge-induced supramolecular self-assembly. The resulting hydrogel features adequate mechanical strength for sustainable retention at wounds. Good biocompatibility and efficient bacterial inhibition are obtained when the Ga ion concentration is 0.05%. Otherwise, the substantial release of Ga ions and puerarin endows the hydrogel with excellent hemostatic and antioxidative properties. In vivo, evaluation of a mouse-infected wound model demonstrates that its healing effect outperformed that of a commercially available silver-containing wound dressing. The experimental group successfully achieves a 100% wound closure rate on day 10. This study sheds new light on the design of nanofibrillar hydrogels based on supramolecular self-assembly of naturally derived bioactive molecules as well as their clinical use for treating chronic infected wounds.
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Affiliation(s)
- Dan Yang
- College of Animal Science and Technology, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, Nanning, 530004, China
- Institute of Medical Sciences, The Second Hospital and Shandong University Center for Orthopaedics, Cheeloo College of Medicine, Shandong University, Jinan, 250033, China
| | - Wei Zhao
- Cixi Biomedical Research Institute, Wenzhou Medical University, Cixi, 315300, China
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315300, China
| | - Shengyu Zhang
- Cixi Biomedical Research Institute, Wenzhou Medical University, Cixi, 315300, China
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315300, China
| | - Yu Liu
- College of Animal Science and Technology, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, Nanning, 530004, China
- Institute of Medical Sciences, The Second Hospital and Shandong University Center for Orthopaedics, Cheeloo College of Medicine, Shandong University, Jinan, 250033, China
| | - Jingmei Teng
- Cixi Biomedical Research Institute, Wenzhou Medical University, Cixi, 315300, China
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315300, China
| | - Yuxi Ma
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315300, China
| | - Rongjian Huang
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315300, China
| | - Hua Wei
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Hailan Chen
- College of Animal Science and Technology, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, Nanning, 530004, China
| | - Jiantao Zhang
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315300, China
| | - Jing Chen
- Institute of Medical Sciences, The Second Hospital and Shandong University Center for Orthopaedics, Cheeloo College of Medicine, Shandong University, Jinan, 250033, China
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Sk S, Mursed Ali S, Aash A, Kolay S, Mondal A, Mondal S, Hossain Khan A, Sepay N, Rahaman Molla M. Solvent Geometry Regulated J- and H-Type Aggregates of Photoswitchable Organogelator: Phase-Selective Thixotropic Gelation and Oil Spill Recovery. Chemistry 2024; 30:e202303369. [PMID: 38258609 DOI: 10.1002/chem.202303369] [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: 10/13/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 01/24/2024]
Abstract
We demonstrate supramolecular polymerization and formation of 1D nanofiber of azobenzene based organogelator (AZO-4) in cyclic hydrocarbon solvents (toluene and methylcyclohexane). The AZO-4 exhibits J- and H-type aggregates in toluene: MCH (9 : 1) and MCH: toluene (9 : 1) respectively. The type of aggregate was governed by the geometry of the solvents used in the self-assembly process. The J-type aggregates with high thermal stability in toluene is due to the enhanced interaction of AZO-4 π- surface with the toluene π-surface, whereas H-aggregate with moderate thermal stability in MCH was due to the interruption of the cyclic hydrocarbon in van der Waals interactions of peripheral chains of AZO-4 molecule. The light induced reversible photoisomerization is observed for both J- and H-aggregates. The macroscopic property revealed spontaneous and strong gelation in toluene preferably due to the strong interactions of the AZO-4 nanofibers with the toluene solvent molecules compared to the MCH. The rheological measurements revealed thixotropic nature of the gels by step-strain experiments at room temperature. The thermodynamic parameter (ΔHm) of gel-to-sol transition was determined for all the gels to get more insight into the gelation property. Furthermore, the phase selective gelation property was extended to the oil spill recovery application using diesel/water and petrol/water mixture.
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Affiliation(s)
- Sujauddin Sk
- Department of Chemistry, University of Calcutta, 92 A P C Road, Kolkata, India-, 700009
| | - Sk Mursed Ali
- Department of Chemistry, University of Calcutta, 92 A P C Road, Kolkata, India-, 700009
| | - Asmita Aash
- Department of Chemistry, University of Calcutta, 92 A P C Road, Kolkata, India-, 700009
| | - Soumya Kolay
- Department of Chemistry, University of Calcutta, 92 A P C Road, Kolkata, India-, 700009
| | - Arun Mondal
- Department of Chemistry, University of Calcutta, 92 A P C Road, Kolkata, India-, 700009
| | - Sahabaj Mondal
- Chemical Science, IISER Kolkata, Campus Rd, Mohanpur, Haringhata Farm, India-, 741246
| | - Ali Hossain Khan
- Chemical and Biological Sciences, SNBNCBS Saltlake, JD Block, Sector 3, Bidhan Nagar, Kolkata, India-, 700106
| | - Nayim Sepay
- Department of Chemistry, Lady Brabourse College, P-1/2, Suhrawardy Ave, Beniapukur, Kolkata, India-, 700017
| | - Mijanur Rahaman Molla
- Department of Chemistry, University of Calcutta, 92 A P C Road, Kolkata, India-, 700009
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3
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Niu X, Wan Z, Mhatre SE, Ye Y, Lu Y, Gao G, Bai L, Rojas OJ. Structured Emulgels by Interfacial Assembly of Terpenes and Nanochitin. ACS NANO 2023; 17:25542-25551. [PMID: 38078623 DOI: 10.1021/acsnano.3c09533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Interfacial assemblies formed by colloidal complexation are effective in multiphase stabilization, as shown in structured liquids and Pickering emulgels. Herein, we demonstrate a type of biobased colloidal system that spontaneously stabilizes an organic phase in a continuous hydrogel phase. Specifically, a triterpene extracted from bark (betulin, BE) is added to an organic phase containing a coniferous resin (rosin acid, a diterpene). BE is shown to take part in strong noncovalent interactions with the nanochitin dispersed in the aqueous (hydrogel) phase, leading to a complex of high interfacial activity. The viscoelastic response of the system is rationalized by the presence of a superstable structured dual network. When used as a templating material, the emulgel develops into structured liquids and cryogels. The herein introduced all-biobased type of nanoparticle surfactant system forms a gel ("emulsion-filled" with "aggregated droplets") that features the functional benefits of both betulin and nanochitin.
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Affiliation(s)
- Xun Niu
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Wood Science and Department of Chemistry, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Zhangmin Wan
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Wood Science and Department of Chemistry, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Sameer E Mhatre
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Wood Science and Department of Chemistry, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Yuhang Ye
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Wood Science and Department of Chemistry, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Yi Lu
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Wood Science and Department of Chemistry, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Guang Gao
- Life Sciences Institute Imaging Core Facility, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Long Bai
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Orlando J Rojas
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Wood Science and Department of Chemistry, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
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4
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Tan J, Luo Y, Guo Y, Zhou Y, Liao X, Li D, Lai X, Liu Y. Development of alginate-based hydrogels: Crosslinking strategies and biomedical applications. Int J Biol Macromol 2023; 239:124275. [PMID: 37011751 DOI: 10.1016/j.ijbiomac.2023.124275] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/10/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Abstract
Natural polysaccharide-based hydrogels have drawn much concern in the biomedical fields. Among them, alginate, a natural polyanionic polysaccharide, has become one of the research hotspots, because of its abundant source, biodegradability, biocompatibility, solubility, modification flexibility, and other characteristics or physiological functions. Recently, through adopting various physical or chemical crosslinking strategies, selecting suitable crosslinking or modification reagents, precisely controlling the reaction conditions, or introducing organic or inorganic functional materials, a variety of alginate-based hydrogels with excellent performance have been continuously developed, considerably expanding the breadth and depth of their applications. Here, various crosslinking strategies in the preparation of alginate-based hydrogels are comprehensively introduced. The representative application progress of alginate-based hydrogels in drug carrier, wound dressing and tissue engineering is also summarized. Meanwhile, the application prospects, challenges and development trends of alginate-based hydrogels are discussed. It is expected to provide guidance and reference for the further development of alginate-based hydrogels.
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Kakehashi R, Tokai N, Nakagawa M, Kawasaki K, Horiuchi S, Yamamoto A. Amidoamine Oxide Surfactants as Low-Molecular-Weight Hydrogelators: Effect of Methylene Chain Length on Aggregate Structure and Rheological Behavior. Gels 2023; 9:gels9030261. [PMID: 36975709 PMCID: PMC10048289 DOI: 10.3390/gels9030261] [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: 02/28/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
Rheology control is an important issue in many industrial products such as cosmetics and paints. Recently, low-molecular-weight compounds have attracted considerable attention as thickeners/gelators for various solvents; however, there is still a significant need for molecular design guidelines for industrial applications. Amidoamine oxides (AAOs), which are long-chain alkylamine oxides with three amide groups, are surfactants that act as hydrogelators. Here, we show the relationship between the length of methylene chains at four different locations of AAOs, the aggregate structure, the gelation temperature Tgel, and the viscoelasticity of the formed hydrogels. As seen from the results of electron microscopic observations, the aggregate structure (ribbon-like or rod-like) can be controlled by changing the length of methylene chain in the hydrophobic part, the length of methylene chain between the amide and amine oxide groups, and the lengths of methylene chains between amide groups. Furthermore, hydrogels consisting of rod-like aggregates showed significantly higher viscoelasticity than those consisting of ribbon-like aggregates. In other words, it was shown that the gel viscoelasticity could be controlled by changing the methylene chain lengths at four different locations of the AAO.
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Affiliation(s)
- Rie Kakehashi
- Surfactant Laboratory, Osaka Research Institute of Industrial Science and Technology, Osaka 536-8553, Japan
| | - Naoji Tokai
- Surfactant Laboratory, Osaka Research Institute of Industrial Science and Technology, Osaka 536-8553, Japan
| | - Makoto Nakagawa
- Surfactant Laboratory, Osaka Research Institute of Industrial Science and Technology, Osaka 536-8553, Japan
| | - Kazunori Kawasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda 563-8577, Japan
| | - Shin Horiuchi
- Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan
| | - Atsushi Yamamoto
- Faculty of Environmental Studies, Tottori University of Environmental Studies, Tottori 689-1111, Japan
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Luo Y, Tan J, Zhou Y, Guo Y, Liao X, He L, Li D, Li X, Liu Y. From crosslinking strategies to biomedical applications of hyaluronic acid-based hydrogels: A review. Int J Biol Macromol 2023; 231:123308. [PMID: 36669634 DOI: 10.1016/j.ijbiomac.2023.123308] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 01/19/2023]
Abstract
Hyaluronic acid (HA) is not only a natural anionic polysaccharide with excellent biocompatibility, biodegradability, and moisturizing effect, but also an essential factor that can affect angiogenesis, inflammation, cell behavior, which has a wide range of applications in the biomedical field. Among them, HA-based hydrogels formed by various physical or chemical crosslinking strategies are particularly striking. They not only retain the physiological function of HA, but also have the skeleton function of hydrogel, which further expands the application of HA. However, HA-based natural hydrogels generally have problems such as insufficient mechanical strength and susceptibility to degradation by hyaluronidase, which limits their application to a certain extent. To solve such problems, researchers have prepared a variety of HA-based multifunctional hydrogels with remarkable properties in recent years by adopting various structural modification methods or novel crosslinking strategies, as well as introducing functionally reactive molecules or moieties, which have extended the application scope. This manuscript systematically introduced common crosslinking strategies of HA-based hydrogels and highlighted the development of novel HA-based hydrogels in anticancer drug delivery, cartilage repair, three-dimensional cell culture, skin dressing and other fields. We hope to provide some references for the subsequent development of HA-based hydrogels in the biomedical field.
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Affiliation(s)
- Yuning Luo
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Junyan Tan
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Yue Zhou
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Yuqiong Guo
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Xinying Liao
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Li He
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Dingxilei Li
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Xinxin Li
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Yang Liu
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, China.
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Saura-Sanmartin A, Andreu-Ardil L. Recent Advances in the Preparation of Delivery Systems for the Controlled Release of Scents. Int J Mol Sci 2023; 24:ijms24054685. [PMID: 36902122 PMCID: PMC10002519 DOI: 10.3390/ijms24054685] [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: 01/29/2023] [Revised: 02/25/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023] Open
Abstract
Scents are volatile compounds highly employed in a wide range of manufactured items, such as fine perfumery, household products, and functional foods. One of the main directions of the research in this area aims to enhance the longevity of scents by designing efficient delivery systems to control the release rate of these volatile molecules and also increase their stability. Several approaches to release scents in a controlled manner have been developed in recent years. Thus, different controlled release systems have been prepared, including polymers, metal-organic frameworks and mechanically interlocked systems, among others. This review is focused on the preparation of different scaffolds to accomplish a slow release of scents, by pointing out examples reported in the last five years. In addition to discuss selected examples, a critical perspective on the state of the art of this research field is provided, comparing the different types of scent delivery systems.
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Affiliation(s)
- Adrian Saura-Sanmartin
- Departamento de Química Orgánica, Facultad de Química, Universidad de Murcia, 30100 Murcia, Spain
- Correspondence:
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The effect of ethanol on fibrillar hydrogels formed by glycyrrhizic acid monoammonium salt. J Colloid Interface Sci 2023; 630:762-775. [DOI: 10.1016/j.jcis.2022.10.138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 11/09/2022]
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9
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Ferrous iron-induced formation of glycyrrhizic acid hydrogels for Staphylococcus aureus-infected wound healing. Colloids Surf B Biointerfaces 2023; 221:112977. [DOI: 10.1016/j.colsurfb.2022.112977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/14/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
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10
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Tan YQ, Lin F, Ding YK, Dai S, Liang YX, Zhang YS, Li J, Chen HW. Pharmacological properties of total flavonoids in Scutellaria baicalensis for the treatment of cardiovascular diseases. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 107:154458. [PMID: 36152591 DOI: 10.1016/j.phymed.2022.154458] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/21/2022] [Accepted: 09/13/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Scutellaria baicalensis, a medicinal herb belonging to the Lamiaceae family, has been recorded in the Chinese, European, and British Pharmacopoeias. The medicinal properties of this plant are attributed to the total flavonoids of Scutellaria baicalensis (TFSB), particularly the main component, baicalin. This study provides a systematic and comprehensive list of the identified TFSB components and their chemical structures. The quality control process, pharmacokinetics, clinical application, and safety of Scutellaria baicalensis are discussed, and its pharmacological effect on cardiovascular diseases (CVDs) is detailed. Finally, the future research trends and prospects of this medicinal plant are provided. METHODS The Chinese and English papers related to TFSB were collected from the PubMed and CNKI databases using the relevant keywords. To highlight the pharmacological mechanism, clinical application, and safety of TFSB, the collected articles were screened and classified based on their research content. RESULTS TFSB contains at least 100 different kinds of flavonoids, of which baicalin, baicalein, wogonin, wogonoside, scutellarin, and scutellarein are the main active ingredients. The preparation process of TFSB is relatively well established, and the extraction rate can be significantly increased by enzymatic pretreatment and ultrasonication. The low oral availability of TFSB may be effectively enhanced using nanoformulations. The available pharmacokinetic data show that flavonoid glycosides and aglycones with the same parent nucleus may be converted to structures that are conducive to absorption in vivo. Moreover, TFSB can protect against CVDs by inhibiting apoptosis, regulating oxidative stress response, participating in inflammatory response, protecting against myocardial fibrosis, inhibiting myocardial hypertrophy, and regulating blood vessels. In terms of clinical application and animal safety, the available studies show that TFSB can be applied in a wide range of clinical treatments and is safe to use is animals. CONCLUSION This article systematically reviews the therapeutic effect and underlying pharmacological mechanism of TFSB against CVDs. The available studies clearly suggest that TFSB has great potential for the treatment of CVDs and is worthy of in-depth research and development.
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Affiliation(s)
- Yu-Qing Tan
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China; Beijing University of Chinese Medicine, Beijing 100029, China
| | - Fei Lin
- The First Affiliated Hospital of Xinxiang Medical University, Xinxiang 453100 Henan, China
| | - Yu-Kun Ding
- Beijing University of Chinese Medicine, Beijing 100029, China; Department of Cardiology, Dongzhimen Hospital, Beijing University of Traditional Chinese Medicine, Beijing 100700, China
| | - Shuang Dai
- Beijing University of Chinese Medicine, Beijing 100029, China
| | - Ying-Xin Liang
- Traditional Chinese Medicine Orthopedics, Liuzhou Worker's Hospital, Liuzhou 545007, China
| | - Yun-Shu Zhang
- Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jun Li
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Heng-Wen Chen
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
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Su M, Zhang J, Li Z, Wei Y, Zhang J, Pang Z, Gao Y, Qian S, Heng W. Recent advances on small molecular gels: formation mechanism and their application in pharmaceutical fields. Expert Opin Drug Deliv 2022; 19:1597-1617. [PMID: 36259939 DOI: 10.1080/17425247.2022.2138329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
INTRODUCTION As an essential complement to chemically cross-linked macromolecular gels, drug delivery systems based on small molecular gels formed under the driving forces of non-covalent interactions are attracting considerable research interest due to their potential advantages of high structural functionality, lower biological toxicity, reversible stimulus-response, and so on. AREA COVERED The present review summarizes recent advances in small molecular gels and provides their updates as a comprehensive overview in terms of gelation mechanism, gel properties, and physicochemical characterizations. In particular, this manuscript reviews the effects of drug-based small molecular gels on the drug development and their potential applications in the pharmaceutical fields. EXPERT OPINION Small molecular-based gel systems, constructed by inactive compounds or active pharmaceutical ingredients, have been extensively studied as carriers for drug delivery in pharmaceutical field, such as oral formulations, injectable formulations, and transdermal formulations. However, the construction of such gel systems yet faces several challenges such as rational and efficient design of functional gelators and the great occasionality of drug-based gel formation. Thus, a deeper understanding of the gelation mechanism and its relationship with gel properties will be conducive to the construction of small molecular gels systems and their future application.
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Affiliation(s)
- Meiling Su
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jingwen Zhang
- School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zudi Li
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yuanfeng Wei
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jianjun Zhang
- School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zunting Pang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yuan Gao
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Shuai Qian
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Weili Heng
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
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12
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Bhavya P, Soundarajan K, Malecki JG, Mohan Das T. Sugar-Based Phase-Selective Supramolecular Self-Assembly System for Dye Removal and Selective Detection of Cu 2+ Ions. ACS OMEGA 2022; 7:39310-39324. [PMID: 36340083 PMCID: PMC9631723 DOI: 10.1021/acsomega.2c05466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Simple, effective, and eco-friendly sugar-based phase-selective gelators were synthesized at a low cost. They showed high gelling ability toward a wide range of solvents at lower concentrations (minimum gelation concentration ∼0.3%). Preliminary tests reveal that these low molecular weight organogelators can immediately and phase-selectively gel benzene, toluene, petrol, and kerosene in water at room temperature. We also identified G13 in toluene as the good gelator, and the corresponding organogel proficiently removes water-soluble dyes from their concentrated aqueous solutions. This efficient removal of toxic organic solvents and dyes from water suggests promising applications in removing organic substances from contaminated water resources. The thermoreversible gel exhibits effective rechargeability up to five cycles of burning and gelation, which imply the flame stability of the gel. Interestingly, these compounds had a high detection ability toward Cu2+ ions with a state change from gel to the solution. The physical justification for gelation mechanisms and the molecular interaction with metal ions were further confirmed by computational studies.
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Affiliation(s)
- Panichiyil
Valiyaveetil Bhavya
- Department
of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu (CUTN), Thiruvarur 610 005, India
| | - Kamalakannan Soundarajan
- Department
of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu (CUTN), Thiruvarur 610 005, India
| | - Jan Grzegorz Malecki
- Institute
of Chemistry, University of Silesia, Ninth Szkolna Street, 40-006 Katowice, Poland
| | - Thangamuthu Mohan Das
- Department
of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu (CUTN), Thiruvarur 610 005, India
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Wang D, Bu T, Li Y, He Y, Yang F, Zou L. Pharmacological Activity, Pharmacokinetics, and Clinical Research Progress of Puerarin. Antioxidants (Basel) 2022; 11:2121. [PMID: 36358493 PMCID: PMC9686758 DOI: 10.3390/antiox11112121] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/22/2022] [Accepted: 10/26/2022] [Indexed: 09/01/2023] Open
Abstract
As a kind of medicine and food homologous plant, kudzu root (Pueraria lobata (Willd.) Ohwi) is called an "official medicine" in Chinese folk medicine. Puerarin is the main active component extracted from kudzu root, and its structural formula is 8-β-D-grapes pyranose-4, 7-dihydroxy isoflavone, with a white needle crystal; it is slightly soluble in water, and its aqueous solution is colorless or light yellow. Puerarin is a natural antioxidant with high health value and has a series of biological activities such as antioxidation, anti-inflammation, anti-tumor effects, immunity improvement, and cardio-cerebrovascular and nerve cell protection. In particular, for the past few years, it has also been extensively used in clinical study. This review focuses on the antioxidant activity of puerarin, the therapy of diverse types of inflammatory diseases, various new drug delivery systems of puerarin, the "structure-activity relationship" of puerarin and its derivatives, and pharmacokinetic and clinical studies, which can provide a new perspective for the puerarin-related drug research and development, clinical application, and further development and utilization.
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Affiliation(s)
- Di Wang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Tong Bu
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yangqian Li
- Asset and Laboratory Management Department, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yueyue He
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fan Yang
- Academic Affairs Office, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu 610106, China
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Li J, Wang C, Han X, Liu S, Gao X, Guo C, Wu X. Aramid Nanofibers-Reinforced Rhein Fibrous Hydrogels as Antibacterial and Anti-Inflammatory Burn Wound Dressings. ACS APPLIED MATERIALS & INTERFACES 2022; 14:45167-45177. [PMID: 36181475 DOI: 10.1021/acsami.2c12869] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Burn injuries are one of the most devastating traumas. The development of polymer-based hydrogel dressings to prevent bacterial infection and accelerate burn wound healing is continuously desired. Mechanical strong hydrogels that encapsulated antibacterial drugs have gained increasing attention. Herein, aramid nanofibers (ANFs)-reinforced rhein fibrous hydrogels (ANFs/Rhein) were fabricated through a one-pot procedure to serve as a possible treatment for the Staphylococcus aureus-infected burn wound. ANFs preserved the highly aligned backbones and the mechanical properties of Kevlar, and its combination with an antibacterial drug rhein produced a composite hydrogel that possesses favorable physicochemical properties including appropriate mechanical strength, high water holding capacity, satisfactory antibacterial efficiency, and excellent biocompatibility. As wound dressings, ANFs/Rhein hydrogels provided a moist environment for the wound site and released antibacterial drugs continuously to improve the wound healing rate by efficiently restraining bacterial infection, reducing inflammation, enhancing collagen deposition, and promoting the formation of blood vessels, in this way to offer a potential treatment strategy for bacteria-associated burn wound healing.
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Affiliation(s)
- Junyao Li
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Chunru Wang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xiangsheng Han
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
| | - Shuai Liu
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xintao Gao
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Chuanlong Guo
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xiaochen Wu
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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Zheng J, Song X, Yang Z, Yin C, Luo W, Yin C, Ni Y, Wang Y, Zhang Y. Self-assembly hydrogels of therapeutic agents for local drug delivery. J Control Release 2022; 350:898-921. [PMID: 36089171 DOI: 10.1016/j.jconrel.2022.09.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 10/14/2022]
Abstract
Advanced drug delivery systems are of vital importance to enhance therapeutic efficacy. Among various recently developed formulations, self-assembling hydrogels composed of therapeutic agents have shown promising potential for local drug delivery owing to their excellent biocompatibility, high drug-loading efficiency, low systemic toxicity, and sustained drug release behavior. In particular, therapeutic agents self-assembling hydrogels with well-defined nanostructures are beneficial for direct delivery to the target site via injection, not only improving drug availability, but also extending their retention time and promoting cellular uptake. In brief, the self-assembly approach offers better opportunities to improve the precision of pharmaceutical treatment and achieve superior treatment efficacies. In this review, we intend to cover the recent developments in therapeutic agent self-assembling hydrogels. First, the molecular structures, self-assembly mechanisms, and application of self-assembling hydrogels are systematically outlined. Then, we summarize the various self-assembly strategies, including the single therapeutic agent, metal-coordination, enzyme-instruction, and co-assembly of multiple therapeutic agents. Finally, the potential challenges and future perspectives are discussed. We hope that this review will provide useful insights into the design and preparation of therapeutic agent self-assembling hydrogels.
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Affiliation(s)
- Jun Zheng
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Xianwen Song
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Zhaoyu Yang
- Institute of Integrative Medicine, Department of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Chao Yin
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Weikang Luo
- Institute of Integrative Medicine, Department of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Chunyang Yin
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Yaqiong Ni
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Yang Wang
- Institute of Integrative Medicine, Department of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha 410008, China.
| | - Yi Zhang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China.
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Alves C, Ribeiro A, Pinto E, Santos J, Soares G. Exploring Z-Tyr-Phe-OH-based hydrogels loaded with curcumin for the development of dressings for wound healing. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Liu Y, Luo YN, Zhang P, Yang WF, Zhang CY, Yin YL. The Preparation of Novel P(OEGMA-co-MEO2MA) Microgels-Based Thermosensitive Hydrogel and Its Application in Three-Dimensional Cell Scaffold. Gels 2022; 8:gels8050313. [PMID: 35621611 PMCID: PMC9140487 DOI: 10.3390/gels8050313] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/13/2022] [Accepted: 05/17/2022] [Indexed: 02/06/2023] Open
Abstract
Thermosensitive hydrogel scaffolds have attracted particular attention in three-dimensional (3D) cell culture. It is very necessary to develop a type of thermosensitive hydrogel material with low shrinkage, and excellent biocompatibility and biodegradability. Here, five types of thermosensitive microgels with different volume phase transition temperature (VPTT) or particle sizes were first synthesized using 2-methyl-2-propenoic acid-2-(2-methoxyethoxy) ethyl ester (MEO2MA) and oligoethylene glycol methyl ether methacrylate (OEGMA) as thermosensitive monomers by free radical polymerization. Their VPTT and particle sizes were investigated by a nanometer particle size meter and an ultraviolet spectrophotometer. The feasibility of using these P(OEGMA-co-MEO2MA) microgels to construct thermosensitive hydrogel by means of the thermal induction method is discussed for the first time. The prepared thermosensitive hydrogel with the optimum performance was screened for in situ embedding and three-dimensional (3D) culture of MCF-7 breast cancer cells. The experimental results of AO/EB and MTT methods indicate that the pioneering scaffold material has prominent biocompatibility, and cells grow rapidly in the 3D scaffold and maintain high proliferative capacity. At the same time, there is also a tendency to aggregate to form multicellular spheres. Therefore, this original P(OEGMA-co-MEO2MA) thermosensitive hydrogel can serve as a highly biocompatible and easily functionalized 3D cell culture platform with great potential in the biomedical area.
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Affiliation(s)
- Yang Liu
- Correspondence: ; Tel.: +86-0734-8281296
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