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Hao Z, Feng Q, Wang Y, Wang Y, Li H, Hu Y, Chen T, Wang J, Chen R, Lv X, Yang Z, Chen J, Guo X, Li J. A parathyroid hormone related supramolecular peptide for multi-functionalized osteoregeneration. Bioact Mater 2024; 34:181-203. [PMID: 38235308 PMCID: PMC10792172 DOI: 10.1016/j.bioactmat.2023.12.014] [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: 09/17/2023] [Revised: 11/30/2023] [Accepted: 12/17/2023] [Indexed: 01/19/2024] Open
Abstract
Supramolecular peptide nanofiber hydrogels are emerging biomaterials for tissue engineering, but it is difficult to fabricate multi-functional systems by simply mixing several short-motif-modified supramolecular peptides because relatively abundant motifs generally hinder nanofiber cross-linking or the formation of long nanofiber. Coupling bioactive factors to the assembling backbone is an ideal strategy to design multi-functional supramolecular peptides in spite of challenging synthesis and purification. Herein, a multi-functional supramolecular peptide, P1R16, is developed by coupling a bioactive factor, parathyroid hormone related peptide 1 (PTHrP-1), to the basic supramolecular peptide RADA16-Ⅰ via solid-phase synthesis. It is found that P1R16 self-assembles into long nanofibers and co-assembles with RADA16-Ⅰ to form nanofiber hydrogels, thus coupling PTHrP-1 to hydrogel matrix. P1R16 nanofiber retains osteoinductive activity in a dose-dependent manner, and P1R16/RADA16-Ⅰ nanofiber hydrogels promote osteogenesis, angiogenesis and osteoclastogenesis in vitro and induce multi-functionalized osteoregeneration by intramembranous ossification and bone remodeling in vivo when loaded to collagen (Col) scaffolds. Abundant red blood marrow formation, ideal osteointegration and adapted degradation are observed in the 50% P1R16/Col scaffold group. Therefore, this study provides a promising strategy to develop multi-functional supramolecular peptides and a new method to topically administrate parathyroid hormone or parathyroid hormone related peptides for non-healing bone defects.
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Affiliation(s)
- Zhuowen Hao
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Qinyu Feng
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yi Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Ying Wang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Hanke Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yingkun Hu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Tianhong Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Junwu Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Renxin Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xuan Lv
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Zhiqiang Yang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Jiayao Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xiaodong Guo
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jingfeng Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
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Raj S, Unsworth LD. Targeting active sites of inflammation using inherent properties of tissue-resident mast cells. Acta Biomater 2023; 159:21-37. [PMID: 36657696 DOI: 10.1016/j.actbio.2023.01.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/12/2022] [Accepted: 01/10/2023] [Indexed: 01/18/2023]
Abstract
Mast cells play a pivotal role in initiating and directing host's immune response. They reside in tissues that primarily interface with the external environment. Activated mast cells respond to environmental cues throughout acute and chronic inflammation through releasing immune mediators via rapid degranulation, or long-term de novo expression. Mast cell activation results in the rapid release of a variety of unique enzymes and reactive oxygen species. Furthermore, the increased density of mast cell unique receptors like mas related G protein-coupled receptor X2 also characterizes the inflamed tissues. The presence of these molecules (either released mediators or surface receptors) are particular to the sites of active inflammation, and are a result of mast cell activation. Herein, the molecular design principles for capitalizing on these novel mast cell properties is discussed with the goal of manipulating localized inflammation. STATEMENT OF SIGNIFICANCE: Mast cells are immune regulating cells that play a crucial role in both innate and adaptive immune responses. The activation of mast cells causes the release of multiple unique profiles of biomolecules, which are specific to both tissue and disease. These unique characteristics are tightly regulated and afford a localized stimulus for targeting inflammatory diseases. Herein, these important mast cell attributes are discussed in the frame of highlighting strategies for the design of bioresponsive functional materials to target regions of inflammations.
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Affiliation(s)
- Shammy Raj
- Department of Chemical and Materials Engineering, Donadeo Innovation Centre for Engineering, 9211-116 Street NW, University of Alberta, Edmonton, AB, T6G1H9, Canada
| | - Larry D Unsworth
- Department of Chemical and Materials Engineering, Donadeo Innovation Centre for Engineering, 9211-116 Street NW, University of Alberta, Edmonton, AB, T6G1H9, Canada.
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Guo W, Ma Y, Hu L, Feng Y, Liu Y, Yi X, Zhang W, Tang F. Modification Strategies for Ionic Complementary Self-Assembling Peptides: Taking RADA16-I as an Example. Polymers (Basel) 2022; 14:polym14235221. [PMID: 36501615 PMCID: PMC9739689 DOI: 10.3390/polym14235221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 12/04/2022] Open
Abstract
Ion-complementary self-assembling peptides have been studied in many fields for their distinct advantages, mainly due to their self-assembly properties. However, their shortcomings, such as insufficient specific activity and poor mechanical properties, also limited their application. For the better and wider application of these promising biomaterials, ion-complementary self-assembling peptides can be modified with their self-assembly properties not being destroyed to the greatest extent. The modification strategies were reviewed by taking RADA16-I as an example. For insufficient specific activity, RADA16-I can be structurally modified with active motifs derived from the active domain of the extracellular matrix or other related active factors. For weak mechanical properties, materials with strong mechanical properties or that can undergo chemical crosslinking were used to mix with RADA16-I to enhance the mechanical properties of RADA16-I. To improve the performance of RADA16-I as drug carriers, appropriate adjustment of the RADA16-I sequence and/or modification of the RADA16-I-related delivery system with polymer materials or specific molecules can be considered to achieve sustained and controlled release of specific drugs or active factors. The modification strategies reviewed in this paper may provide some references for further basic research and clinical application of ion-complementary self-assembling peptides and their derivatives.
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Affiliation(s)
- Weiwei Guo
- Department of Clinical Pharmacy, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
- The Key Laboratory of Clinical Pharmacy of Zuni City, Zunyi Medical University, Zunyi 563006, China
| | - Yinping Ma
- Department of Clinical Pharmacy, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
- The Key Laboratory of Clinical Pharmacy of Zuni City, Zunyi Medical University, Zunyi 563006, China
| | - Lei Hu
- Department of Clinical Pharmacy, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
- The Key Laboratory of Clinical Pharmacy of Zuni City, Zunyi Medical University, Zunyi 563006, China
| | - Yujie Feng
- Department of Clinical Pharmacy, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
- The Key Laboratory of Clinical Pharmacy of Zuni City, Zunyi Medical University, Zunyi 563006, China
| | - Yanmiao Liu
- The Key Laboratory of Clinical Pharmacy of Zuni City, Zunyi Medical University, Zunyi 563006, China
- School of Preclinical Medicine, Zunyi Medical University, Zunyi 563006, China
| | - Xuedong Yi
- Department of Pharmacy, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Wenzhi Zhang
- Department of Pharmacy, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Fushan Tang
- Department of Clinical Pharmacy, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China
- The Key Laboratory of Clinical Pharmacy of Zuni City, Zunyi Medical University, Zunyi 563006, China
- Correspondence: or ; Tel.: +86-851-28642337
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Li R, Liu K, Huang X, Li D, Ding J, Liu B, Chen X. Bioactive Materials Promote Wound Healing through Modulation of Cell Behaviors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105152. [PMID: 35138042 PMCID: PMC8981489 DOI: 10.1002/advs.202105152] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/24/2021] [Indexed: 05/13/2023]
Abstract
Skin wound repair is a multistage process involving multiple cellular and molecular interactions, which modulate the cell behaviors and dynamic remodeling of extracellular matrices to maximize regeneration and repair. Consequently, abnormalities in cell functions or pathways inevitably give rise to side effects, such as dysregulated inflammation, hyperplasia of nonmigratory epithelial cells, and lack of response to growth factors, which impedes angiogenesis and fibrosis. These issues may cause delayed wound healing or even non-healing states. Current clinical therapeutic approaches are predominantly dedicated to preventing infections and alleviating topical symptoms rather than addressing the modulation of wound microenvironments to achieve targeted outcomes. Bioactive materials, relying on their chemical, physical, and biological properties or as carriers of bioactive substances, can affect wound microenvironments and promote wound healing at the molecular level. By addressing the mechanisms of wound healing from the perspective of cell behaviors, this review discusses how bioactive materials modulate the microenvironments and cell behaviors within the wounds during the stages of hemostasis, anti-inflammation, tissue regeneration and deposition, and matrix remodeling. A deeper understanding of cell behaviors during wound healing is bound to promote the development of more targeted and efficient bioactive materials for clinical applications.
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Affiliation(s)
- Ruotao Li
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Kai Liu
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Xu Huang
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
- Department of Hepatobiliary and Pancreatic SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Di Li
- Department of Hepatobiliary and Pancreatic SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Jianxun Ding
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Bin Liu
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Xuesi Chen
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
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Ozpinar EW, Frey AL, Cruse G, Freytes DO. Mast Cell-Biomaterial Interactions and Tissue Repair. TISSUE ENGINEERING. PART B, REVIEWS 2021; 27:590-603. [PMID: 33164714 PMCID: PMC8739845 DOI: 10.1089/ten.teb.2020.0275] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/03/2020] [Indexed: 12/12/2022]
Abstract
Tissue engineers often use biomaterials to provide structural support along with mechanical and chemical signals to modulate the wound healing process. Biomaterials that are implanted into the body interact with a heterogeneous and dynamic inflammatory environment that is present at the site of injury. Whether synthetically derived, naturally derived, or a combination of both, it is important to assess biomaterials for their ability to modulate inflammation to understand their potential clinical use. One important, but underexplored cell in the context of biomaterials is the mast cell (MC). MCs are granulocytic leukocytes that engage in a variety of events in both the innate and adaptive immune systems. Although highly recognized for their roles in allergic reactions, MCs play an important role in wound healing by recognizing antigens through pattern recognition receptors and the high-affinity immunoglobulin E receptor (FceRI) and releasing granules that affect cell recruitment, fibrosis, extracellular matrix deposition, angiogenesis, and vasculogenesis. MCs also mediate the foreign body response, contributing to the incorporation or rejection of implants. Studies of MC-biomaterial interactions can aid in the elucidation of MC roles during the host tissue response and tissue repair. This review is designed for those in the tissue engineering and biomaterial fields who are interested in exploring the role MCs may play in wound-biomaterial interactions and wound healing. With this review, we hope to inspire more research in the MC-biomaterial space to accelerate the design and construction of optimized implants. Impact statement Mast cells (MCs) are highly specialized inflammatory cells that have crucial, but not fully understood, roles in wound healing and tissue repair. Upon stimulation, they recognize foreign antigens and release granules that help orchestrate the inflammatory response after tissue damage or biomaterial implantation. This review summarizes the current use of MCs in biomaterial research along with literature from the past decade focusing on MC interactions with materials used for tissue repair and regeneration. Studying MC-biomaterial interactions will help (i) further understand the process of inflammation and (ii) design biomaterials and tissue-engineered constructs for optimal repair and regeneration.
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Affiliation(s)
- Emily W Ozpinar
- The Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina-Chapel Hill, Raleigh, North Carolina, USA
- The Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Ariana L Frey
- The Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina-Chapel Hill, Raleigh, North Carolina, USA
| | - Glenn Cruse
- The Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
- Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
| | - Donald O Freytes
- The Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina-Chapel Hill, Raleigh, North Carolina, USA
- The Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
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Lu L, Raj S, Arizmendi N, Ding J, Eitzen G, Kwan P, Kulka M, Unsworth LD. Identification of short peptide sequences that activate human mast cells via Mas-related G-protein coupled receptor member X2. Acta Biomater 2021; 136:159-169. [PMID: 34530142 DOI: 10.1016/j.actbio.2021.09.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 08/24/2021] [Accepted: 09/07/2021] [Indexed: 11/19/2022]
Abstract
Peptide based therapeutics are desirable owing to their high biological specificity. However, a number of these fail in clinical testing due to an adverse inflammatory response. Mast cells play a key role in directing the host response to drugs and related products. Although the role of FcεRI receptor is well known, Mas-related G-protein coupled receptor X2 (MRGPRX2) binding of endogenous peptides, and drugs will activate mast cells independent of FcεRI. Identifying peptides that activate mast cells through MRGPRX2, and their respective activation potency, can be used to reduce the failure rate of peptide therapeutics at clinical trial. Moreover, it will allow for peptide design where mast cell activation is actually desired. It was found that FRKKW and WNKWAL are two motifs that activate human LAD2 cells similar to PAMP-12 controls. Peptide activators of MRGPRX2 could be reduced to Xa-(Y)(n ≥ 3)-Xb where: Xa is an aromatic residue; Xb is a hydrophobic residue; and Y is a minimum 3 residue long sequence, containing a minimum of one positively charged residue with the remainder being uncharged residues. Artificial peptides WKKKW and FKKKF were constructed to test this structural functionality and were similar to PAMP-12 controls. Peptides with different activation potentials were found where FRKKW = WKKKW = FKKKF > PAMP-12 = WNKWAL > YKKKY > FRKKANKWALSR = FRKKWNKAALSR > KWKWK > FRKK = WNKWA > KYKYK > NKWALSR = YKKY = WNK. These sequences should be considered when designing peptide-based therapeutics. STATEMENT OF SIGNIFICANCE: Mast cells release immune regulating molecules upon activation that direct host's immune response. MRGPRX2 receptor provides an alternate pathway for mast cell activation that is independent of FcεRI receptor. It is thought that mast cell activation through MRGPRX2 plays a critical role in high failure rates of drugs in clinical trials. Identifying peptide sequences that activate mast cells through MRGPRX2 can serve two important purposes, namely, sequences to avoid when designing peptide therapeutics, and artificial peptides with different activation potentials for mast cells. Herein, we have identified a general amino acid sequence that induces mast cell activation through MRGPRX2. Furthermore, by modulating the identified sequence, artificial peptides have been designed which activate mast cells by varying degrees for therapeutic applications.
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Affiliation(s)
- Lei Lu
- Department of Chemical and Materials Engineering, Donadeo Innovation Center for Engineering, University of Alberta, 9211-116 Street NW, Edmonton, AB T6G1H9, Canada; School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Shammy Raj
- Department of Chemical and Materials Engineering, Donadeo Innovation Center for Engineering, University of Alberta, 9211-116 Street NW, Edmonton, AB T6G1H9, Canada
| | - Narcy Arizmendi
- Nanotechnology Research Council (Canada), 11421 Saskatchewan Drive NW, Edmonton, AB T6G2M9, Canada
| | - Jie Ding
- Wound Healing Research Group, Division of Plastic and Reconstructive Surgery, University of Alberta, 2D2.28 WMC, 8440-112 Street, Edmonton, AB T6G2B7, Canada
| | - Gary Eitzen
- Department of Cell Biology, MSB 5-14, University of Alberta, Edmonton, AB T6G2H7, Canada
| | - Peter Kwan
- Wound Healing Research Group, Division of Plastic and Reconstructive Surgery, University of Alberta, 2D2.28 WMC, 8440-112 Street, Edmonton, AB T6G2B7, Canada
| | - Marianna Kulka
- Nanotechnology Research Council (Canada), 11421 Saskatchewan Drive NW, Edmonton, AB T6G2M9, Canada; Department of Medical Microbiology and Immunology, University of Alberta, 6-020 Katz Group Center, Edmonton, AB T6G2E1, Canada.
| | - Larry D Unsworth
- Department of Chemical and Materials Engineering, Donadeo Innovation Center for Engineering, University of Alberta, 9211-116 Street NW, Edmonton, AB T6G1H9, Canada.
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Karavasili C, Fatouros DG. Self-assembling peptides as vectors for local drug delivery and tissue engineering applications. Adv Drug Deliv Rev 2021; 174:387-405. [PMID: 33965460 DOI: 10.1016/j.addr.2021.04.024] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/01/2021] [Accepted: 04/28/2021] [Indexed: 12/17/2022]
Abstract
Molecular self-assembly has forged a new era in the development of advanced biomaterials for local drug delivery and tissue engineering applications. Given their innate biocompatibility and biodegradability, self-assembling peptides (SAPs) have come in the spotlight of such applications. Short and water-soluble SAP biomaterials associated with enhanced pharmacokinetic (PK) and pharmacodynamic (PD) responses after the topical administration of the therapeutic systems, or improved regenerative potential in tissue engineering applications will be the focus of the current review. SAPs are capable of generating supramolecular structures using a boundless array of building blocks, while peptide engineering is an approach commonly pursued to encompass the desired traits to the end composite biomaterials. These two elements combined, expand the spectrum of SAPs multi-functionality, constituting them potent biomaterials for use in various biomedical applications.
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Zhu L, Shi Y, Xiong Y, Ba L, Li Q, Qiu M, Zou Z, Peng G. Emerging self-assembling peptide nanomaterial for anti-cancer therapy. J Biomater Appl 2021; 36:882-901. [PMID: 34180306 DOI: 10.1177/08853282211027882] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recently it is mainly focused on anti-tumor comprehensive treatments like finding target tumor cells or activating immune cells to inhibit tumor recurrence and metastasis. At present, chemotherapy and molecular-targeted drugs can inhibit tumor cell growth to a certain extent. However, multi-drug resistance and immune escape often make it difficult for new drugs to achieve expected effects. Peptide hydrogel nanoparticles is a new type of biological material with functional peptide chains as the core and self-assembling peptide (SAP) as the framework. It has a variety of significant biological functions, including effective local inflammation suppression and non-drug-resistant cell killing. Besides, it can induce immune activation more persistently in an adjuvant independent manner when compared with simple peptides. Thus, SAP nanomaterial has great potential in regulating cell physiological functions, drug delivery and sensitization, vaccine design and immunotherapy. Not only that, it is also a potential way to focus on some specific proteins and cells through peptides, which has already been examined in previous research. A full understanding of the function and application of SAP nanoparticles can provide a simple and practical strategy for the development of anti-tumor drugs and vaccine design, which contributes to the historical transition of peptide nanohydrogels from bench to bedside and brings as much survival benefits as possible to cancer patients.
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Affiliation(s)
- Lisheng Zhu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yangyang Shi
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Xiong
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li Ba
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiuting Li
- Division of Gastroenterology, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mengjun Qiu
- Division of Gastroenterology, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhenwei Zou
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Peng
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Ligands and Signaling of Mas-Related G Protein-Coupled Receptor-X2 in Mast Cell Activation. Rev Physiol Biochem Pharmacol 2021; 179:139-188. [PMID: 33479839 DOI: 10.1007/112_2020_53] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Mas-related G protein-coupled receptor-X2 (MRGPRX2) is known as a novel receptor to activate mast cells (MCs). MRGPRX2 plays a dual role in promoting MC-dependent host defense and immunomodulation and contributing to the pathogenesis of pseudo-allergic drug reactions, pain, itching, and inflammatory diseases. In this article, we discuss the possible signaling pathways of MCs activation mediated by MRGPRX2 and summarize and classify agonists and inhibitors of MRGPRX2 in MCs activation. MRGPRX2 is a low-affinity and low-selectivity receptor, which allows it to interact with a diverse group of ligands. Diverse MRGPRX2 ligands utilize conserved residues in its transmembrane (TM) domains and carboxyl-terminus Ser/Thr residues to undergo ligand binding and G protein coupling. The coupling likely initiates phosphorylation cascades, induces Ca2+ mobilization, and causes degranulation and generation of cytokines and chemokines via MAPK and NF-κB pathways, resulting in MCs activation. Agonists of MRGPRX2 on MCs are divided into peptides (including antimicrobial peptides, neuropeptides, MC degranulating peptides, peptide hormones) and nonpeptides (including FDA-approved drugs). Inhibitors of MRGPRX2 include non-selective GPCR inhibitors, herbal extracts, small-molecule MRGPRX2 antagonists, and DNA aptamer drugs. Screening and classifying MRGPRX2 ligands and summarizing their signaling pathways would improve our understanding of MRGPRX2-mediated physiological and pathological effects on MCs.
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Duguay BA, Lu L, Arizmendi N, Unsworth LD, Kulka M. The Possible Uses and Challenges of Nanomaterials in Mast Cell Research. THE JOURNAL OF IMMUNOLOGY 2020; 204:2021-2032. [PMID: 32253270 DOI: 10.4049/jimmunol.1800658] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 12/19/2019] [Indexed: 11/19/2022]
Abstract
Mast cells are tissue-resident immune cells that are involved in inflammation and fibrosis but also serve beneficial roles, including tissue maintenance, angiogenesis, pathogen clearance, and immunoregulation. Their multifaceted response and the ability of their mediators to target multiple organs and tissues means that mast cells play important roles in numerous conditions, including asthma, atopic dermatitis, drug sensitivities, ischemic heart disease, Alzheimer disease, arthritis, irritable bowel syndrome, infections (parasites, bacteria and viruses), and cancer. As a result, mast cells have become an important target for drug discovery and diagnostic research. Recent work has focused on applying novel nanotechnologies to explore cell biology. In this brief review, we will highlight the use of nanomaterials to modify mast cell functions and will discuss the potential of these technologies as research tools for understanding mast cell biology.
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Affiliation(s)
- Brett A Duguay
- Nanotechnology Research Centre, National Research Council Canada, Edmonton, Alberta T6G 2M9, Canada
| | - Lei Lu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, People's Republic of China
| | - Narcy Arizmendi
- Nanotechnology Research Centre, National Research Council Canada, Edmonton, Alberta T6G 2M9, Canada
| | - Larry D Unsworth
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada; and
| | - Marianna Kulka
- Nanotechnology Research Centre, National Research Council Canada, Edmonton, Alberta T6G 2M9, Canada.,Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
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11
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Kühn H, Kolkhir P, Babina M, Düll M, Frischbutter S, Fok JS, Jiao Q, Metz M, Scheffel J, Wolf K, Kremer AE, Maurer M. Mas-related G protein-coupled receptor X2 and its activators in dermatologic allergies. J Allergy Clin Immunol 2020; 147:456-469. [PMID: 33071069 DOI: 10.1016/j.jaci.2020.08.027] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/28/2020] [Accepted: 08/21/2020] [Indexed: 12/13/2022]
Abstract
The Mas-related G protein-coupled receptor X2 (MRGPRX2) is a multiligand receptor responding to various exogenous and endogenous stimuli. Being highly expressed on skin mast cells, MRGPRX2 triggers their degranulation and release of proinflammatory mediators, and it promotes multicellular signaling cascades, such as itch induction and transmission in sensory neurons. The expression of MRGPRX2 by skin mast cells and the levels of the MRGPRX2 agonists (eg, substance P, major basic protein, eosinophil peroxidase) are upregulated in the serum and/or skin of patients with inflammatory and pruritic skin diseases, such as chronic spontaneous urticaria or atopic dermatitis. Therefore, MRGPRX2 and its agonists might be potential biomarkers for the progression of cutaneous inflammatory diseases and the response to treatment. In addition, they may represent promising targets for prevention and treatment of signs and symptoms in patients with skin diseases or drug reactions. To assess this possibility, this review explores the role and relevance of MRGPRX2 and its activators in cutaneous inflammatory disorders and chronic pruritus.
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Affiliation(s)
- Helen Kühn
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Pavel Kolkhir
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; I.M. Sechenov First Moscow State Medical University (Sechenov University), Division of Immune-mediated Skin Diseases, Moscow, Russia
| | - Magda Babina
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Miriam Düll
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Stefan Frischbutter
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Jie Shen Fok
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Respiratory Medicine, Box Hill Hospital, Melbourne, Australia; Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia
| | - Qingqing Jiao
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Dermatology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Martin Metz
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Jörg Scheffel
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Katharina Wolf
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Andreas E Kremer
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Marcus Maurer
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
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The pseudo-allergic/neurogenic route of mast cell activation via MRGPRX2: discovery, functional programs, regulation, relevance to disease, and relation with allergic stimulation. ACTA ACUST UNITED AC 2020. [DOI: 10.1097/itx.0000000000000032] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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13
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Mondal S, Das S, Nandi AK. A review on recent advances in polymer and peptide hydrogels. SOFT MATTER 2020; 16:1404-1454. [PMID: 31984400 DOI: 10.1039/c9sm02127b] [Citation(s) in RCA: 186] [Impact Index Per Article: 46.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In this review, we focus on the very recent developments on the use of the stimuli responsive properties of polymer hydrogels for targeted drug delivery, tissue engineering, and biosensing utilizing their different optoelectronic properties. Besides, the stimuli-responsive hydrogels, the conducting polymer hydrogels are discussed, with specific attention to the energy generation and storage behavior of the xerogel derived from the hydrogel. The electronic and ionic conducting gels have been discussed that have applications in various electronic devices, e.g., organic field effect transistors, soft robotics, ionic skins, and sensors. The properties of polymer hybrid gels containing carbon nanomaterials have been exemplified here giving attention to applications in supercapacitors, dye sensitized solar cells, photocurrent switching, etc. Recent trends in the properties and applications of some natural polymer gels to produce thermal and acoustic insulating materials, drug delivery vehicles, self-healing material, tissue engineering, etc., are discussed. Besides the polymer gels, peptide gels of different dipeptides, tripeptides, oligopeptides, polypeptides, cyclic peptides, etc., are discussed, giving attention mainly to biosensing, bioimaging, and drug delivery applications. The properties of peptide-based hybrid hydrogels with polymers, nanoparticles, nucleotides, fullerene, etc., are discussed, giving specific attention to drug delivery, cell culture, bio-sensing, and bioimaging properties. Thus, the present review delineates, in short, the preparation, properties, and applications of different polymer and peptide hydrogels prepared in the past few years.
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Affiliation(s)
- Sanjoy Mondal
- Polymer Science Unit, School of Materials Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India.
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14
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Cai Y, Ran W, Zhai Y, Wang J, Zheng C, Li Y, Zhang P. Recent progress in supramolecular peptide assemblies as virus mimics for cancer immunotherapy. Biomater Sci 2020; 8:1045-1057. [DOI: 10.1039/c9bm01380f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Supramolecular peptide assemblies can mimic natural viruses and serve as well-defined, dynamic and multifunctional nanoplatforms for cancer immunotherapy, where the peptide segments act as antigens, adjuvants and carriers.
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Affiliation(s)
- Ying Cai
- State Key Laboratory of Drug Research & Center of Pharmaceutics
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Wei Ran
- State Key Laboratory of Drug Research & Center of Pharmaceutics
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Yihui Zhai
- State Key Laboratory of Drug Research & Center of Pharmaceutics
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Junyang Wang
- State Key Laboratory of Drug Research & Center of Pharmaceutics
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Chao Zheng
- State Key Laboratory of Drug Research & Center of Pharmaceutics
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Yaping Li
- State Key Laboratory of Drug Research & Center of Pharmaceutics
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Pengcheng Zhang
- State Key Laboratory of Drug Research & Center of Pharmaceutics
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
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