1
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Kubyshkin V, Rubini M. Proline Analogues. Chem Rev 2024; 124:8130-8232. [PMID: 38941181 DOI: 10.1021/acs.chemrev.4c00007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Within the canonical repertoire of the amino acid involved in protein biogenesis, proline plays a unique role as an amino acid presenting a modified backbone rather than a side-chain. Chemical structures that mimic proline but introduce changes into its specific molecular features are defined as proline analogues. This review article summarizes the existing chemical, physicochemical, and biochemical knowledge about this peculiar family of structures. We group proline analogues from the following compounds: substituted prolines, unsaturated and fused structures, ring size homologues, heterocyclic, e.g., pseudoproline, and bridged proline-resembling structures. We overview (1) the occurrence of proline analogues in nature and their chemical synthesis, (2) physicochemical properties including ring conformation and cis/trans amide isomerization, (3) use in commercial drugs such as nirmatrelvir recently approved against COVID-19, (4) peptide and protein synthesis involving proline analogues, (5) specific opportunities created in peptide engineering, and (6) cases of protein engineering with the analogues. The review aims to provide a summary to anyone interested in using proline analogues in systems ranging from specific biochemical setups to complex biological systems.
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Affiliation(s)
| | - Marina Rubini
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
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2
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Errante F, Pallecchi M, Bartolucci G, Frediani E, Margheri F, Giovannelli L, Papini AM, Rovero P. Retro-Inverso Collagen Modulator Peptide Derived from Serpin A1 with Enhanced Stability and Activity In Vitro. J Med Chem 2024. [PMID: 38470817 DOI: 10.1021/acs.jmedchem.4c00137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
The rising demand for novel cosmeceutical ingredients has highlighted peptides as a significant category. Based on the collagen turnover modulation properties of SA1-III, a decapeptide derived from a serine protease inhibitor (serpin A1), this study focused on designing shorter, second-generation peptides endowed with improved properties. A tetrapeptide candidate was further modified employing the retro-inverso approach that uses d-amino acids aiming to enhance peptide stability against dermal enzymes. Surprisingly, the modified peptide AAT11RI displayed notably high activity in vitro, as compared to its precursors, and suggested a mode of action based on the inhibition of collagen degradation. It is worth noting that AAT11RI showcases stability against dermal enzymes contained in human skin homogenates due to its rationally designed structure that hampers recognition by most proteases. The rational approach we embraced in this study underscored the added value of substantiated claims in the design of new cosmeceutical ingredients, representing a rarity in the field.
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Affiliation(s)
- Fosca Errante
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Interdepartmental Laboratory of Peptide and Protein Chemistry and Biology, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Espikem s.r.l., Prato, PO 59100, Italy
| | - Marco Pallecchi
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
| | - Gianluca Bartolucci
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
| | - Elena Frediani
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Firenze, FI 50139, Italy
| | - Francesca Margheri
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Firenze, FI 50139, Italy
| | - Lisa Giovannelli
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Firenze, FI 50139, Italy
| | - Anna M Papini
- Interdepartmental Laboratory of Peptide and Protein Chemistry and Biology, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Department of Chemistry "Ugo Schiff", University of Florence, Sesto Fiorentino, FI 50019, Italy
| | - Paolo Rovero
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Interdepartmental Laboratory of Peptide and Protein Chemistry and Biology, University of Florence, Sesto Fiorentino, FI 50019, Italy
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3
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Selvaraj V, Sekaran S, Dhanasekaran A, Warrier S. Type 1 collagen: Synthesis, structure and key functions in bone mineralization. Differentiation 2024; 136:100757. [PMID: 38437764 DOI: 10.1016/j.diff.2024.100757] [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: 09/30/2023] [Revised: 02/02/2024] [Accepted: 02/26/2024] [Indexed: 03/06/2024]
Abstract
Collagen is a highly abundant protein in the extracellular matrix of humans and mammals, and it plays a critical role in maintaining the body's structural integrity. Type I collagen is the most prevalent collagen type and is essential for the structural integrity of various tissues. It is present in nearly all connective tissues and is the main constituent of the interstitial matrix. Mutations that affect collagen fiber formation, structure, and function can result in various bone pathologies, underscoring the significance of collagen in sustaining healthy bone tissue. Studies on type 1 collagen have revealed that mutations in its encoding gene can lead to diverse bone diseases, such as osteogenesis imperfecta, a disorder characterized by fragile bones that are susceptible to fractures. Knowledge of collagen's molecular structure, synthesis, assembly, and breakdown is vital for comprehending embryonic and foetal development and several aspects of human physiology. In this review, we summarize the structure, molecular biology of type 1 collagen, its biomineralization and pathologies affecting bone.
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Affiliation(s)
- Vimalraj Selvaraj
- Department of Applied Mechanics and Biomedical Engineering, Indian Institute of Technology-Madras, Chennai, 600 036, Tamil Nadu, India.
| | - Saravanan Sekaran
- Department of Prosthodontics, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600 077, Tamil Nadu, India.
| | | | - Sudha Warrier
- Department of Biotechnology, Faculty of Biomedical Sciences and Technology, Sri Ramachandra Institute of Higher Education and Research, Chennai, 600116, Tamil Nadu, India
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4
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Yoshida K, Fujita S, Matsusaki M. Analysis of Homo- and Heterotriple Helix Formation of Collagen Model Peptides and Evaluation of Their Stability in a Biological Environment. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 38316021 DOI: 10.1021/acs.langmuir.3c03673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Self-assembled materials have attracted attention and have been extensively studied because the reversibility of noncovalent interactions allows them to possess various properties, such as stimulus responsiveness and self-healing. Collagen model peptides have an amino acid sequence characteristic of the triple helix region of collagen and exhibit repeatable triple helix formation. Many studies of their applications have used homotrimers, and although some studies on heterotrimers have been reported, few have clarified the details. If the characteristics of heterotrimers can be revealed, they are expected to be applied as new self-assembled materials. In this study, we analyzed the detailed self-assembling properties of hetero- and homohelices formed by (proline-proline-glycine)10 (PPG)10 and (proline-hydroxyproline-glycine)10 (POG)10 to evaluate the potential of the helices for biomedical application. Fluorescein isothiocyanate-labeled (PPG)10 (F(PPG)10) and (POG)10 (F(POG)10) were synthesized to analyze the heterotriple helix formation using concentration quenching based on triple helix formation. When (PPG)10 was added to F(POG)10, the fluorescence intensity did not reach a plateau, while the fluorescence intensity reached about 100% in the other pairs such as (POG)10-F(POG)10, (PPG)10-F(PPG)10, and (POG)10-F(PPG)10. The critical triple helix formation concentration was 7 μM for the heterotrimer prepared under 1:2 mixing conditions of (PPG)10 and (POG)10, 320 μM for [(PPG)10]3, and 4 μM for [(POG)10]3, indicating that the triple helix formation concentration of the heterotrimer is almost half that of [(POG)10]3 but 45 times higher than [(PPG)10]3. Furthermore, the heterotrimer formed at 37 °C was stable after 5 days, which was the same as [(POG)10]3. These results suggest that heterotrimers have different association properties from homotrimers and are expected to be applied in nanotechnology and biomaterials as new self-assembled materials.
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Affiliation(s)
- Kazuki Yoshida
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
- AIST-Osaka University Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Satoshi Fujita
- AIST-Osaka University Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Michiya Matsusaki
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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5
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Tanrikulu IC, Dang L, Nelavelli L, Ellison AJ, Olsen BD, Jin S, Raines RT. Synthetic Collagen Hydrogels through Symmetric Self-Assembly of Small Peptides. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2303228. [PMID: 37997193 PMCID: PMC10797479 DOI: 10.1002/advs.202303228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 10/10/2023] [Indexed: 11/25/2023]
Abstract
Animal-sourced hydrogels, such as collagen, are widely used as extracellular-matrix (ECM) mimics in tissue engineering but are plagued with problems of reproducibility, immunogenicity, and contamination. Synthetic, chemically defined hydrogels can avoid such issues. Despite the abundance of collagen in the ECM, synthetic collagen hydrogels are extremely rare due to design challenges brought on by the triple-helical structure of collagen. Sticky-ended symmetric self-assembly (SESSA) overcomes these challenges by maximizing interactions between the strands of the triple helix, allowing the assembly of collagen-mimetic peptides (CMPs) into robust synthetic collagen nanofibers. This optimization, however, also minimizes interfiber contacts. In this work, symmetric association states for the SESSA of short CMPs to probe their increased propensity for interfiber association are modelled. It is found that 33-residue CMPs not only self-assemble through sticky ends, but also form hydrogels. These self-assemblies behave with remarkable consistency across multiple scales and present a clear link between their triple-helical architecture and the properties of their hydrogels. The results show that SESSA is an effective and robust design methodology that enables the rational design of synthetic collagen hydrogels.
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Affiliation(s)
- I. Caglar Tanrikulu
- Department of ChemistryMassachusetts Institute of TechnologyCambridgeMA02139USA
| | - Lianna Dang
- Department of ChemistryUniversity of Wisconsin–MadisonMadisonWI53706USA
| | - Lekha Nelavelli
- Department of ChemistryUniversity of Wisconsin–MadisonMadisonWI53706USA
| | - Aubrey J. Ellison
- Department of ChemistryUniversity of Wisconsin–MadisonMadisonWI53706USA
| | - Bradley D. Olsen
- Department of Chemical EngineeringMassachusetts Institute of TechnologyCambridgeMA02139USA
| | - Song Jin
- Department of ChemistryUniversity of Wisconsin–MadisonMadisonWI53706USA
| | - Ronald T. Raines
- Department of ChemistryMassachusetts Institute of TechnologyCambridgeMA02139USA
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6
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Keever JM, Banzon PD, Hales MK, Sargent AL, Allen WE. Association between N-Terminal Pyrenes Stabilizes the Collagen Triple Helix. J Org Chem 2023; 88:11885-11894. [PMID: 37531574 DOI: 10.1021/acs.joc.3c01175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
Collagen model peptides featuring the fluorophore pyrene at their N-termini have been synthesized, and their thermal denaturation has been examined using circular dichroism (CD) and fluorescence spectroscopies. Flanking the (Pro-Hyp-Gly)7 core of the peptide monomers at positions 1 and/or 23 in the primary sequence, Lys residues were introduced to ensure water solubility. Triple helices derived from such peptides show a broad excimer emission at ∼480 nm, indicative of interaction between the pyrene units. CD experiments show that the fluorophores enhance helix stability primarily through entropic effects. Unfolding temperatures (Tm) increase by up to 7 °C for systems with N-terminal lysine residues and by up to 21 °C for systems in which the first-position Lys is replaced by Ala. Tm values derived from fluorescence measurements (at 50 μM) typically lie within ∼1 °C of those obtained using CD (at 200 μM). Computational modeling in a water continuum using B3LYP-GD3 and M06-2X functionals predicts that face-to-face association of fluorophores can occur while H-bonding within the [(POG)n]3 assembly is retained. Such parallel stacking is consistent with hydrophobically driven stabilization. Labeling collagen peptides with pyrene is a synthetically simple way to promote triple helicity while providing a means to obtain Tm data on relatively dilute samples.
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Affiliation(s)
- Jared M Keever
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - Patrick D Banzon
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - Megan K Hales
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - Andrew L Sargent
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - William E Allen
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
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7
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Biocompatible Triple-Helical Recombinant Collagen Dressings for Accelerated Wound Healing in Microneedle-Injured and Photodamaged Skin. COSMETICS 2023. [DOI: 10.3390/cosmetics10010031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
Skin rejuvenation procedures such as microneedling and laser resurfacing have gained global popularity in medical cosmetology, leading to acute skin wounds with persistent pain, erythema, and edema. A variety of dressings have been explored to repair these postoperative skin injuries; however, their inadequate biocompatibility and bioactivity may raise concerns about undesirable efficacy and complications. Herein, we developed biocompatible and nonirritating triple-helical recombinant collagen (THRC) dressings for accelerated healing of microneedle-injured and photodamaged acute skin wounds. Circular dichroism (CD) measurements of THRC from various batches exhibited triple-helical structure characteristics of collagen. Cell experiments using L929 fibroblasts revealed that THRC dressings possess superior biocompatibility and bioactivity, significantly elevating the proliferation and adhesion of fibroblasts. In vivo, skin irritation tests of New Zealand rabbits demonstrated that the THRC dressings are gentle, safe, and non-irritating. Histological analysis of the animal model studies in photodamaged skin wounds using H&E and Masson’s trichrome staining revealed that 4 days of treatment with the THRC dressings effectively healed the damaged dermis by accelerating re-epithelialization and enhancing collagen deposition. In vivo studies of microneedle-injured rat defects showed that THRC dressings of varying concentrations exhibit the same rapid epithelialization rates at 48 h as commercial bovine collagen dressings. The highly biocompatible and bioactive recombinant collagen dressings may provide an advanced treatment of acute skin wounds, indicating attractive applications in postoperative care of facial rejuvenation.
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8
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Terrien A, Rahgoshay K, Renaglia E, Lensen N, Jacquot Y, Marquant R, Brigaud T, Loison C, Chaume G, Miclet E. Inviting C5-Trifluoromethylated Pseudoprolines into Collagen Mimetic Peptides. Biomacromolecules 2023; 24:1555-1562. [PMID: 36786736 DOI: 10.1021/acs.biomac.2c01242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Numerous collagen mimetic peptides (CMPs) have been engineered using proline derivatives substituted at their C(3) and/or C(4) position in order to stabilize or functionalize collagen triple-helix mimics. However, no example has been reported so far with C(5) substitutions. Here, we introduce a fluorinated CMP incorporating trifluoromethyl groups at the C(5) position of pseudoproline residues. In tripeptide models, our CD, NMR, and molecular dynamics (MD) studies have shown that, when properly arranged, these residues meet the structural requirements for a triple-helix assembly. Two host-guest CMPs were synthesized and analyzed by CD spectroscopy. The NMR analysis in solution of the most stable confirmed the presence of structured homotrimers that we interpret as triple helices. MD calculations showed that the triple-helix model remained stable throughout the simulation with all six trifluoromethyl groups pointing outward from the triple helix. Pseudoprolines substituted at the C(5) positions appeared as valuable tools for the design of new fluorinated collagen mimetic peptides.
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Affiliation(s)
- Anaïs Terrien
- Laboratoire des Biomolécules, Sorbonne Université, Ecole Normale Supérieure, PSL University, CNRS, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Keyvan Rahgoshay
- CY Cergy Paris Université, CNRS, BioCIS, 95000 Cergy-Pontoise, France
| | - Emelyne Renaglia
- CY Cergy Paris Université, CNRS, BioCIS, 95000 Cergy-Pontoise, France
| | - Nathalie Lensen
- CY Cergy Paris Université, CNRS, BioCIS, 95000 Cergy-Pontoise, France
| | - Yves Jacquot
- CiTCoM, CNRS UMR 8038, INSERM U1268, Faculty of Pharmacy of Paris, University Paris Cité, 75270 Paris Cedex 06, France
| | - Rodrigue Marquant
- Laboratoire des Biomolécules, Sorbonne Université, Ecole Normale Supérieure, PSL University, CNRS, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Thierry Brigaud
- CY Cergy Paris Université, CNRS, BioCIS, 95000 Cergy-Pontoise, France
| | - Claire Loison
- Institut Lumière Matière, University of Lyon, Université Claude Bernard Lyon 1, CNRS, F-69622 Villeurbanne, France
| | - Grégory Chaume
- Laboratoire des Biomolécules, Sorbonne Université, Ecole Normale Supérieure, PSL University, CNRS, 4 place Jussieu, 75252 Paris Cedex 05, France.,CY Cergy Paris Université, CNRS, BioCIS, 95000 Cergy-Pontoise, France
| | - Emeric Miclet
- Laboratoire des Biomolécules, Sorbonne Université, Ecole Normale Supérieure, PSL University, CNRS, 4 place Jussieu, 75252 Paris Cedex 05, France
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Pérez-Nava A, Espino-Saldaña AE, Pereida-Jaramillo E, Hernández-Vargas J, Martinez-Torres A, Vázquez-Lepe MO, Mota-Morales JD, Frontana Uribe BA, Betzabe González-Campos J. Surface collagen functionalization of electrospun poly(vinyl alcohol) scaffold for tissue engineering. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.12.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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10
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Design, Synthesis, and Photo-Responsive Properties of a Collagen Model Peptide Bearing an Azobenzene. ORGANICS 2022. [DOI: 10.3390/org3040027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Collagen is a vital component of the extracellular matrix in animals. Collagen forms a characteristic triple helical structure and plays a key role in supporting connective tissues and cell adhesion. The ability to control the collagen triple helix structure is useful for medical and conformational studies because the physicochemical properties of the collagen rely on its conformation. Although some photo-controllable collagen model peptides (CMPs) have been reported, satisfactory photo-control has not yet been achieved. To achieve this objective, detailed investigation of the isomerization behavior of the azobenzene moiety in CMPs is required. Herein, two CMPs were attached via an azobenzene linker to control collagen triple helix formation by light irradiation. Azo-(PPG)10 with two (Pro-Pro-Gly)10 CMPs linked via a photo-responsive azobenzene moiety was designed and synthesized. Conformational changes were evaluated by circular dichroism and the cis-to-trans isomerization rate calculated from the absorption of the azobenzene moiety indicated that the collagen triple helix structure was partially disrupted by isomerization of the internal azobenzene.
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11
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Rani A, Sindhu A, Yao TJ, Horng JC, Venkatesu P. Profiling the impact of choline chloride on the self-assembly of collagen mimetic peptide (Pro-Hyp-Gly)10. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.06.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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The Use of Natural Collagen Obtained from Fish Waste in Hair Styling and Care. Polymers (Basel) 2022; 14:polym14040749. [PMID: 35215659 PMCID: PMC8876148 DOI: 10.3390/polym14040749] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/01/2022] [Accepted: 02/09/2022] [Indexed: 02/01/2023] Open
Abstract
Chemically speaking, polymers are multi-molecular compounds that have specific physicochemical properties. Hair cosmetics utilize their ability to create a protective film and make the cosmetic formulation more viscous, which facilitates its application. Natural polymers are encountered in nature, but, in hair cosmetics, artificially modified ones are more often used. Unfortunately, artificially modified polymers are characterized by high resistance to biological factors, which creates an ecological problem. Another reason for a search for natural polymers is their milder action when compared to synthetic ones. One of the new sources of obtaining collagen is the waste connective tissue materials of aquatic animals—skins, spines, dorsal chords and scales, and swim bladders. These raw materials are most often disposed of in landfills, processed into fish meal, or destined for food for animals. The conducted research was aimed at proving the action of natural collagen in hair cosmetics as a substitute for synthetic polymers. In the patients using collagen laminate, it is possible to notice the complete elimination of excessive sebum production, restoration of the correct pH value, and reduction in skin inflammations.
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13
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Kubyshkin V. Application of (4 R)-aminoproline in peptide engineering: conformational bias and pH-responsiveness revisited. NEW J CHEM 2022. [DOI: 10.1039/d2nj00305h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
How do we make proline residues pH sensitive?
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Affiliation(s)
- Vladimir Kubyshkin
- Department of Chemistry, University of Manitoba, 144 Dysart Rd., R3T 2N2, Winnipeg, Canada
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14
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Xu Q, Torres JE, Hakim M, Babiak PM, Pal P, Battistoni CM, Nguyen M, Panitch A, Solorio L, Liu JC. Collagen- and hyaluronic acid-based hydrogels and their biomedical applications. MATERIALS SCIENCE & ENGINEERING. R, REPORTS : A REVIEW JOURNAL 2021; 146:100641. [PMID: 34483486 PMCID: PMC8409465 DOI: 10.1016/j.mser.2021.100641] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hydrogels have been widely investigated in biomedical fields due to their similar physical and biochemical properties to the extracellular matrix (ECM). Collagen and hyaluronic acid (HA) are the main components of the ECM in many tissues. As a result, hydrogels prepared from collagen and HA hold inherent advantages in mimicking the structure and function of the native ECM. Numerous studies have focused on the development of collagen and HA hydrogels and their biomedical applications. In this extensive review, we provide a summary and analysis of the sources, features, and modifications of collagen and HA. Specifically, we highlight the fabrication, properties, and potential biomedical applications as well as promising commercialization of hydrogels based on these two natural polymers.
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Affiliation(s)
- Qinghua Xu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jessica E. Torres
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Mazin Hakim
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Paulina M Babiak
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Pallabi Pal
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Carly M Battistoni
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Michael Nguyen
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Alyssa Panitch
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Luis Solorio
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Julie C. Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
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15
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Naomi R, Ridzuan PM, Bahari H. Current Insights into Collagen Type I. Polymers (Basel) 2021; 13:2642. [PMID: 34451183 PMCID: PMC8399689 DOI: 10.3390/polym13162642] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/30/2021] [Accepted: 08/02/2021] [Indexed: 12/13/2022] Open
Abstract
Collagen type I (Col-I) is unique due to its high biocompatibility in human tissue. Despite its availability from various sources, Col-I naturally mimics the extracellular matrix (ECM) and generally makes up the larger protein component (90%) in vasculature, skin, tendon bone, and other tissue. The acceptable physicochemical properties of native Col-I further enhance the incorporation of Col-I in various fields, including pharmaceutical, cosmeceutical, regenerative medicine, and clinical. This review aims to discuss Col-I, covering the structure, various sources of availability, native collagen synthesis, current extraction methods, physicochemical characteristics, applications in various fields, and biomarkers. The review is intended to provide specific information on Col-I currently available, going back five years. This is expected to provide a helping hand for researchers who are concerned about any development on collagen-based products particularly for therapeutic fields.
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Affiliation(s)
- Ruth Naomi
- Department of Human Anatomy, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | | | - Hasnah Bahari
- Department of Human Anatomy, Universiti Putra Malaysia, Serdang 43400, Malaysia
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16
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Magtaan JK, Fitzpatrick B, Murphy R. Elucidating the Biological Activity of Fish-Derived Collagen and Gelatine Hydrolysates using Animal Cell Culture - A Review. Curr Pharm Des 2021; 27:1365-1381. [PMID: 33302859 DOI: 10.2174/1381612826666201210112119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 10/01/2020] [Indexed: 11/22/2022]
Abstract
A large percentage of a fish's weight is generally discarded during fish processing. Reducing the waste products of marine origin is a subject of great interest within the scientific community. Pelagic byproducts, such as the structural protein collagen, which can be generated during the processing of fish, have been proposed as an alternative to terrestrial, mammalian sources due to advantages including high availability and low risk of zoonotic disease transmission. Gelatine has multiple possible applications, ranging from nutraceutical applications to cosmetics and has the advantage of being generally regarded as safe. In this multidisciplinary review, the chemistry of gelatine and its parent protein collagen, the chemical reactions to generate their hydrolysates, and studies on their biological activities using animal cell culture are discussed.
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Affiliation(s)
- Jordan Kevin Magtaan
- School of Health & Human Performance, Dublin City University, Glasnevin, Dublin 9, Ireland
| | | | - Ronan Murphy
- School of Health & Human Performance, Dublin City University, Glasnevin, Dublin 9, Ireland
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17
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Pollastrini M, Lipparini F, Pasquinelli L, Balzano F, Barretta GU, Pescitelli G, Angelici G. A Proline Mimetic for the Design of New Stable Secondary Structures: Solvent-Dependent Amide Bond Isomerization of ( S)-Indoline-2-carboxylic Acid Derivatives. J Org Chem 2021; 86:7946-7954. [PMID: 34080867 PMCID: PMC8456495 DOI: 10.1021/acs.joc.1c00184] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Indexed: 12/22/2022]
Abstract
A thorough experimental and computational study on the conformational properties of (S)-indoline-2-carboxylic acid derivatives has been conducted. Methyl (S)-1-acetylindoline-2-carboxylate, both a mimetic of proline and phenylalanine, shows a remarkable tendency toward the cis amide isomer when dissolved in polar solvents. This behavior is opposite to the general preference of proline for the trans isomer, making indoline-2-carboxylic acid a good candidate for the design of different secondary structures and new materials.
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Affiliation(s)
- Matteo Pollastrini
- Dipartimento di Chimica e Chimica Industriale,
Università di Pisa, Via G. Moruzzi 13, 56124 Pisa,
Italy
| | - Filippo Lipparini
- Dipartimento di Chimica e Chimica Industriale,
Università di Pisa, Via G. Moruzzi 13, 56124 Pisa,
Italy
| | - Luca Pasquinelli
- Dipartimento di Chimica e Chimica Industriale,
Università di Pisa, Via G. Moruzzi 13, 56124 Pisa,
Italy
| | - Federica Balzano
- Dipartimento di Chimica e Chimica Industriale,
Università di Pisa, Via G. Moruzzi 13, 56124 Pisa,
Italy
| | - Gloria Uccello Barretta
- Dipartimento di Chimica e Chimica Industriale,
Università di Pisa, Via G. Moruzzi 13, 56124 Pisa,
Italy
| | - Gennaro Pescitelli
- Dipartimento di Chimica e Chimica Industriale,
Università di Pisa, Via G. Moruzzi 13, 56124 Pisa,
Italy
| | - Gaetano Angelici
- Dipartimento di Chimica e Chimica Industriale,
Università di Pisa, Via G. Moruzzi 13, 56124 Pisa,
Italy
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18
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Wang WM, Yu CH, Chang JY, Chen TH, Chen YC, Sun YT, Wang SH, Jao SC, Cheng RP. Insertion of Pro-Hyp-Gly provides 2 kcal mol -1 stability but attenuates the specific assembly of ABC heterotrimeric collagen triple helices. Org Biomol Chem 2021; 19:1860-1866. [PMID: 33565556 DOI: 10.1039/d0ob02190c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Collagen is a major structural component of the extracellular matrix and connective tissue. The key structural feature of collagen is the collagen triple helix, with a Xaa-Yaa-Gly (glycine) repeating pattern. The most frequently occurring triplet is Pro (proline)-Hyp (hydroxyproline)-Gly. The reversible thermal folding and unfolding of a series of heterotrimeric collagen triple helices with varying number of Pro-Hyp-Gly triplets were monitored by circular dichroism spectroscopy to determine the unfolding thermodynamic parameters Tm (midpoint transition temperature), ΔHTm (unfolding enthalpy), and ΔGunfold (unfolding free energy). The Tm and ΔGunfold of the heterotrimeric collagen triple helices increased with increasing number of Pro-Hyp-Gly triplets. The ΔGunfold increased by 2.0 ± 0.2 kcal mol-1 upon inserting one Pro-Hyp-Gly triplet into all three chains. The Tm difference between the most stable ABC combination and the second most stable BCC combination decreased with increasing number of Pro-Hyp-Gly triplets, even though the ΔGunfold difference remained the same. These results should be useful for tuning the stability of collagen triple helical peptides for hydrogel formation, recognition of denatured collagen triple helices as diagnostics and therapeutics, and targeted drug delivery.
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Affiliation(s)
- Wei-Ming Wang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
| | - Chen-Hsu Yu
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
| | - Jing-Yuan Chang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
| | - Ting-Hsuan Chen
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
| | - Yan-Chen Chen
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
| | - Yi-Ting Sun
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
| | - Szu-Huan Wang
- Department of Academic Affairs and Instrument Service, and Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Shu-Chuan Jao
- Department of Academic Affairs and Instrument Service, and Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Richard P Cheng
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
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19
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Fertala A. Three Decades of Research on Recombinant Collagens: Reinventing the Wheel or Developing New Biomedical Products? Bioengineering (Basel) 2020; 7:E155. [PMID: 33276472 PMCID: PMC7712652 DOI: 10.3390/bioengineering7040155] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/16/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023] Open
Abstract
Collagens provide the building blocks for diverse tissues and organs. Furthermore, these proteins act as signaling molecules that control cell behavior during organ development, growth, and repair. Their long half-life, mechanical strength, ability to assemble into fibrils and networks, biocompatibility, and abundance from readily available discarded animal tissues make collagens an attractive material in biomedicine, drug and food industries, and cosmetic products. About three decades ago, pioneering experiments led to recombinant human collagens' expression, thereby initiating studies on the potential use of these proteins as substitutes for the animal-derived collagens. Since then, scientists have utilized various systems to produce native-like recombinant collagens and their fragments. They also tested these collagens as materials to repair tissues, deliver drugs, and serve as therapeutics. Although many tests demonstrated that recombinant collagens perform as well as their native counterparts, the recombinant collagen technology has not yet been adopted by the biomedical, pharmaceutical, or food industry. This paper highlights recent technologies to produce and utilize recombinant collagens, and it contemplates their prospects and limitations.
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Affiliation(s)
- Andrzej Fertala
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Curtis Building, Room 501, 1015 Walnut Street, Philadelphia, PA 19107, USA
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20
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Ganguly HK, Basu G. Conformational landscape of substituted prolines. Biophys Rev 2020; 12:25-39. [PMID: 31953795 PMCID: PMC7040156 DOI: 10.1007/s12551-020-00621-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 01/09/2020] [Indexed: 12/16/2022] Open
Abstract
The cyclic side chain of the amino acid proline confers unique conformational restraints on its backbone and side chain dihedral angles. This affects two equilibria-one at the backbone (cis/trans) and the other at the side chain (endo/exo). Substitutions on the proline ring impose additional steric and stereoelectronic effects that can further modulate both these equilibria, which in turn can also affect the backbone dihedral angle (ϕ, ψ) preferences. In this review, we have explored the conformational landscape of several termini capped mono-(2-, 3-, 4-, and 5-) substituted proline derivatives in the Cambridge Structural Database, correlating observed conformations with the nature of substituents and deciphering the underlying interactions for the observed structural biases. The impact of incorporating these derivatives within model peptides and proteins are also discussed for selected cases. Several of these substituents have been used to introduce bioorthogonal functionality and modulate structure-specific ligand recognition or used as spectroscopic probes. The incorporation of these diversely applicable functional groups, coupled with their ability to define an amino acid conformation via stereoelectronic effects, have a broad appeal among chemical biologists, molecular biophysicists, and medicinal chemists.
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Affiliation(s)
- Himal Kanti Ganguly
- Department of Biophysics, Bose Institute, P-1/12 CIT scheme VII M, Kolkata, 700054, India.
| | - Gautam Basu
- Department of Biophysics, Bose Institute, P-1/12 CIT scheme VII M, Kolkata, 700054, India.
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21
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Higashi N, Yoshikawa R, Koga T. Photo-responsive azobenzene interactions promote hierarchical self-assembly of collagen triple-helical peptides to various higher-order structures. RSC Adv 2020; 10:15947-15954. [PMID: 35493640 PMCID: PMC9052399 DOI: 10.1039/d0ra02906h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/02/2020] [Indexed: 01/20/2023] Open
Abstract
Collagen is an essential structural protein in animal tissues and plays key roles in cellular modulation. We investigated methods to discover collagen model peptides (CMPs) that would self-assemble into triple helices and then grow into supramolecular organizations with diverse morphological features, which would be valuable as biomaterials. This challenging undertaking was achieved by placing azobenzene groups on the ends of the CMPs, (GPO)n (n = 3–10), Azo-(GPO)n. In a dilute aqueous solution (80 μM), CD spectra indicated that the Azo-(GPO)n (n > 4) formed triple helices due to strong hydrophobic azobenzene interactions, and that helix stability was increased with the peptide segment length. The resulting triple helices induced a specific azobenzene orientation through turned and twisted configurations as shown by CD spectra. TEM observations for the same solutions disclosed the morphologies for the Azo-CMPs. Azo-(GPO)3, having the shortest peptide segment, showed no nanostructure, both Azo-(GPO)4 and Azo-(GPO)5 provided consistent well-developed nanofiber structures resembling the natural collagen fibers, and Azo-(GPO)ns (n = 6–10) grew into flexible rod-like micelle fibers. In addition, alkyl chain-attached CmAzo-(GPO)5 displayed a toroidal morphology, and Azp-deg-(GPO)5 having a hydrophilic spacer assembled into a bilayer vesicle structure. These diverse morphological features are considered to be due to the characteristics of the pre-organized triple helix units. Photo-isomerization of the azobenzene moiety brought about the disappearance of such characteristic nano-architectures. When the solution concentration was increased up to 1 wt%, only Azo-(GPO)4 and Azo-(GPO)5 spontaneously formed hydrogels exhibiting a satisfactory gel-to-sol transition upon UV irradiation. Collagen is an essential structural protein in animal tissues and plays key roles in cellular modulation.![]()
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Affiliation(s)
- Nobuyuki Higashi
- Department of Molecular Chemistry and Biochemistry
- Faculty of Science and Engineering
- Doshisha University
- Kyotanabe
- Japan
| | - Ryo Yoshikawa
- Department of Molecular Chemistry and Biochemistry
- Faculty of Science and Engineering
- Doshisha University
- Kyotanabe
- Japan
| | - Tomoyuki Koga
- Department of Molecular Chemistry and Biochemistry
- Faculty of Science and Engineering
- Doshisha University
- Kyotanabe
- Japan
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22
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Shu F, Dai C, Wang H, Xu C, Wie B, Zhang J, Xu Y, He L, Li S. Formation, Stability and Self‐Assembly Behaviour of the Collagen‐Like Triple Helix Confirmation: The Role of Ser, Ala and Arg/Glu. ChemistrySelect 2019. [DOI: 10.1002/slct.201903500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Feiyi Shu
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Chun Dai
- School of Food Science and EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Haibo Wang
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Chengzhi Xu
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Benmei Wie
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Juntao Zhang
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Yuling Xu
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Lang He
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Sheng Li
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
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