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Koss KM, Sereda TJ, Kumirov VK, Wertheim JA. A class of peptides designed to replicate and enhance the Receptor for Hyaluronic Acid Mediated Motility binding domain. Acta Biomater 2023:S1742-7061(23)00251-9. [PMID: 37178990 DOI: 10.1016/j.actbio.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023]
Abstract
The extra-cellular matrix (ECM) is a complex and rich microenvironment that is exposed and over-expressed across several injury or disease pathologies. Biomaterial therapeutics are often enriched with peptide binders to target the ECM with greater specificity. Hyaluronic acid (HA) is a major component of the ECM, yet to date, few HA adherent peptides have been discovered. A class of HA binding peptides was designed using B(X7)B hyaluronic acid binding domains inspired from the helical face of the Receptor for Hyaluronic Acid Mediated Motility (RHAMM). These peptides were bioengineered using a custom alpha helical net method, allowing for the enrichment of multiple B(X7)B domains and the optimisation of contiguous and non-contiguous domain orientations. Unexpectedly, the molecules also exhibited the behaviour of nanofiber forming self-assembling peptides and were investigated for this characteristic. Ten 23-27 amino acid residue peptides were assessed. Simple molecular modelling was used to depict helical secondary structures. Binding assays were performed with varying concentrations (1-10 mg/mL) and extra-cellular matrices (HA, collagens I-IV, elastin, and Geltrex). Concentration mediated secondary structures were assessed using circular dichroism (CD), and higher order nanostructures were visualized using transmission electron microscopy (TEM). All peptides formed the initial apparent 310/alpha-helices, yet peptides 17x-3, 4, BHP3 and BHP4 were HA specific and potent (i.e., a significant effect) binders at increasing concentrations. These peptides shifted from apparent 310/alpha-helical structures at low concentration to beta-sheets at increasing concentration and also formed nanofibers which are noted as self-assembling structures. Several of the HA binding peptides outperformed our positive control (mPEP35) at 3-4 times higher concentrations, and were enhanced by self-assembly as each of these groups had observable nanofibers. STATEMENT OF SIGNIFICANCE: Specific biomolecules or peptides have played a crucial role in developing materials or systems to deliver key drugs and therapeutics to a broad spectrum of diseases and disorders. In these diseased tissues, cells build protein/sugar networks, which are uniquely exposed and great targets to deliver drugs to. Hyaluronic acid (HA) is involved in every stage of injury and is abundant in cancer. To date, only two HA specific peptides have been discovered. In our work, we have designed a way to model and trace binding regions as they appear on the face of a helical peptide. Using this method we have created a family of peptides enriched with HA binding domains that stick with 3-4 higher affinity than those previously discovered.
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Affiliation(s)
- Kyle M Koss
- Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, Chicago, IL; Department of Surgery, University of Arizona College of Medicine, Tucson, AZ
| | | | - Vlad K Kumirov
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ
| | - Jason A Wertheim
- Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, Chicago, IL; Department of Surgery, University of Arizona College of Medicine, Tucson, AZ
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Zuglianello C, Lemos-Senna E. The nanotechnological approach for nasal delivery of peptide drugs: a comprehensive review. J Microencapsul 2022; 39:156-175. [PMID: 35262455 DOI: 10.1080/02652048.2022.2051626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
This review gathers recent studies, patents, and clinical trials involving the nasal administration of peptide drugs to supply a panorama of developing nanomedicine advances in this field. Peptide drugs have been featured in the pharmaceutical market, due to their high efficacy, biological activity, and low immunogenicity. Pharmaceutical industries need technology to circumvent issues relating to peptide stability and bioavailability. The oral route offers very harsh and unfavourable conditions for peptide administration, while the parenteral route is inconvenient and risky for patients. Nasal administration is an attractive alternative, mainly when associated with nanotechnological approaches. Nanomedicines may improve the nasal administration of peptide drugs by providing protection for the macromolecules from enzymes while also increasing their time of retention and permeability in the nasal mucosa. Nanomedicines for nasal administration containing peptide drugs have been acclaimed for both prevention, and treatment, of infections, including the pandemic COVID-19, cancers, metabolic and neurodegenerative diseases.
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Affiliation(s)
- Carine Zuglianello
- Pharmaceutical Nanotechnology Post-Graduation Program, University of Santa Catarina, Florianópolis, Brazil
| | - Elenara Lemos-Senna
- Pharmaceutical Nanotechnology Post-Graduation Program, University of Santa Catarina, Florianópolis, Brazil
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Makhlynets OV, Caputo GA. Characteristics and therapeutic applications of antimicrobial peptides. BIOPHYSICS REVIEWS 2021; 2:011301. [PMID: 38505398 PMCID: PMC10903410 DOI: 10.1063/5.0035731] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/31/2020] [Indexed: 12/20/2022]
Abstract
The demand for novel antimicrobial compounds is rapidly growing due to the phenomenon of antibiotic resistance in bacteria. In response, numerous alternative approaches are being taken including use of polymers, metals, combinatorial approaches, and antimicrobial peptides (AMPs). AMPs are a naturally occurring part of the immune system of all higher organisms and display remarkable broad-spectrum activity and high selectivity for bacterial cells over host cells. However, despite good activity and safety profiles, AMPs have struggled to find success in the clinic. In this review, we outline the fundamental properties of AMPs that make them effective antimicrobials and extend this into three main approaches being used to help AMPs become viable clinical options. These three approaches are the incorporation of non-natural amino acids into the AMP sequence to impart better pharmacological properties, the incorporation of AMPs in hydrogels, and the chemical modification of surfaces with AMPs for device applications. These approaches are being developed to enhance the biocompatibility, stability, and/or bioavailability of AMPs as clinical options.
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Affiliation(s)
- Olga V. Makhlynets
- Department of Chemistry, Syracuse University, 111 College Place, Syracuse, New York 13244, USA
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Xu J, Feng J, Liu YD, Hu T, Li MJ, Li F. Self-Assembling Peptide Scaffold Carrying Neural-Cell Adhesion Molecule-Derived Mimetic-Peptide Transplantation Promotes Proliferation and Stimulates Neurite Extension by Modulating Tau Phosphorylation and Calpain/Glycogen Synthase Kinase 3 beta (GSK-3β) in Neurons. Ann Transplant 2020; 25:e924093. [PMID: 32686658 PMCID: PMC7366790 DOI: 10.12659/aot.924093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 04/10/2020] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Self-assembling peptide scaffolds have been extensively applied in tissue engineering. Many investigations have modified self-assembling peptide scaffolds by integrating functional motifs, with promising applications. This study aimed to generate a novel RADA16 self-assembling peptide scaffold integrating a neural-cell adhesion molecule-derived mimetic-peptide (SIDRVEPYSSTAQ) and evaluated the effects on neuron proliferation. MATERIAL AND METHODS A 37-amino-acids peptide of RADA16-activation motif containing neural-cell adhesion molecule-derived mimetic-peptide (SIDRVEPYSSTAQ) was synthesized and self-assembled into a scaffold. Dorsal root ganglion (DRG) and spinal cord motor neurons (SCMN) were primarily isolated and identified. Neurons (DRG and SCMN) were divided into FRM, FRM-MP, and FRM-MP-LiCl groups. The adherence ability of neurons was evaluated using toluidine blue staining. Proliferation and apoptosis of neurons were assessed using CCK-8 and flow cytometry assay, respectively. Immunofluorescence assay was used to measure neurite extension. Western blot assay was used to assess GSK-3ß/p-GSK-3ß, Tau/p-Tau, and calpain expression in neurons. RESULTS FRM-MP-LiCl released multiple-peptide with higher efficiency. FRM-MP-LiCl significantly enhanced proliferation and inhibited apoptosis compared to FRM and FRM-MP groups (p.
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Affiliation(s)
- Jian Xu
- Department of Pediatric Orthopedics, Wuhan Fourth Hospital (Puai Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Jing Feng
- Nursing Department, Wuhan Fourth Hospital (Puai Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Yu-dong Liu
- Department of Pediatric Orthopedics, Wuhan Fourth Hospital (Puai Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Tao Hu
- Department of Pediatric Orthopedics, Wuhan Fourth Hospital (Puai Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Ming-jing Li
- Department of Pediatric Orthopedics, Wuhan Fourth Hospital (Puai Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Fan Li
- Department of Pediatric Orthopedics, Wuhan Fourth Hospital (Puai Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
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Sahle FF, Kim S, Niloy KK, Tahia F, Fili CV, Cooper E, Hamilton DJ, Lowe TL. Nanotechnology in regenerative ophthalmology. Adv Drug Deliv Rev 2019; 148:290-307. [PMID: 31707052 PMCID: PMC7474549 DOI: 10.1016/j.addr.2019.10.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/29/2019] [Accepted: 10/30/2019] [Indexed: 12/18/2022]
Abstract
In recent years, regenerative medicine is gaining momentum and is giving hopes for restoring function of diseased, damaged, and aged tissues and organs and nanotechnology is serving as a catalyst. In the ophthalmology field, various types of allogenic and autologous stem cells have been investigated to treat some ocular diseases due to age-related macular degeneration, glaucoma, retinitis pigmentosa, diabetic retinopathy, and corneal and lens traumas. Nanomaterials have been utilized directly as nanoscaffolds for these stem cells to promote their adhesion, proliferation and differentiation or indirectly as vectors for various genes, tissue growth factors, cytokines and immunosuppressants to facilitate cell reprogramming or ocular tissue regeneration. In this review, we reviewed various nanomaterials used for retina, cornea, and lens regenerations, and discussed the current status and future perspectives of nanotechnology in tracking cells in the eye and personalized regenerative ophthalmology. The purpose of this review is to provide comprehensive and timely insights on the emerging field of nanotechnology for ocular tissue engineering and regeneration.
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Affiliation(s)
- Fitsum Feleke Sahle
- Department of Pharmaceutical Sciences, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Sangyoon Kim
- Department of Pharmaceutical Sciences, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Kumar Kulldeep Niloy
- Department of Pharmaceutical Sciences, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Faiza Tahia
- Department of Pharmaceutical Sciences, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Cameron V Fili
- Department of Comparative Medicine, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Emily Cooper
- Department of Pharmaceutical Sciences, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - David J Hamilton
- Department of Comparative Medicine, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Tao L Lowe
- Department of Pharmaceutical Sciences, University of Tennessee Health Sciences Center, Memphis, TN 38163, USA.
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Koss KM, Tsui C, Unsworth LD. Enzymatic Activity in Fractal Networks of Self-Assembling Peptides. Biomacromolecules 2018; 20:422-434. [DOI: 10.1021/acs.biomac.8b01496] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Kyle M. Koss
- Department of Chemical and Materials Engineering, University of Alberta, 13-390 Floor - Donadeo Innovation Centre for Engineering
(ICE), 9211-116 Street NW, Edmonton, AB T6G 1H9, Canada
| | - Christopher Tsui
- Department of Chemical and Materials Engineering, University of Alberta, 13-390 Floor - Donadeo Innovation Centre for Engineering
(ICE), 9211-116 Street NW, Edmonton, AB T6G 1H9, Canada
| | - Larry D. Unsworth
- Department of Chemical and Materials Engineering, University of Alberta, 13-390 Floor - Donadeo Innovation Centre for Engineering
(ICE), 9211-116 Street NW, Edmonton, AB T6G 1H9, Canada
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