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Diao W, Li P, Jiang X, Zhou J, Yang S. Progress in copper-based materials for wound healing. Wound Repair Regen 2024; 32:314-322. [PMID: 37822053 DOI: 10.1111/wrr.13122] [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: 04/19/2023] [Revised: 07/19/2023] [Accepted: 09/05/2023] [Indexed: 10/13/2023]
Abstract
Chronic wounds have become the leading cause of death, particularly among diabetic patients. Chronic wounds affect ~6.5 million patients each year, according to statistics, and wound care and management incur significant financial costs. The rising prevalence of chronic wounds, combined with the limitations of current treatments, necessitates the development of new and innovative approaches to accelerate wound healing. Copper has been extensively studied for its antibacterial and anti-inflammatory activities. Copper in its nanoparticle form could have better biological properties and many applications in health care.
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Affiliation(s)
- Wuliang Diao
- Department of Plastic Surgery, Xiangya Third Hospital, Central South University, Changsha, Hunan, China
| | - Peiting Li
- Department of Plastic Surgery, Xiangya Third Hospital, Central South University, Changsha, Hunan, China
| | - Xilin Jiang
- Department of General Surgery, Zhongfang Hospital, Hunan University of Medicine, Huaihua, Hunan, China
| | - Jianda Zhou
- Department of Plastic Surgery, Xiangya Third Hospital, Central South University, Changsha, Hunan, China
| | - Songbo Yang
- Department of General Surgery, People's Hospital of Tianzhu County, Guizhou, China
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2
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Wang Y, Lin J, Yu Z, Cheng J, Cheng J, Cui W. Rigid-flexible nanocarriers loaded with active peptides for antioxidant and anti-inflammatory applications in skin. Colloids Surf B Biointerfaces 2024; 236:113772. [PMID: 38394858 DOI: 10.1016/j.colsurfb.2024.113772] [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: 12/13/2023] [Revised: 01/18/2024] [Accepted: 01/27/2024] [Indexed: 02/25/2024]
Abstract
Peptides are recognized as highly effective and safe bioactive ingredients. However, t their practical application is limited and hampered by harsh conditions for practical drug delivery. Hence, a novel peptide nanocarrier of copper peptide (GHK-Cu) encapsulation developed by liposome technology combined with the classical Chinese concept of rigidity and flexibility. Different polyols were selected as modification ligands for phospholipid bilayers to construct a nano drug-carrying system with high loading rate, good stability and biocompatibility. In vitro, this complex not only significantly retarded the release ability of copper peptides, but also enabled copper peptides to be effectively resistant to enzymatic degradation. Furthermore, cellular experiments showed that this system mainly regulates Nrf2, SIRT1, and PEG2/COX-2-related signaling pathways, thus effectively counteracting cellular inflammation, senescence, and apoptosis from oxidative damage. Interestingly, a green, non-toxic, efficient and convenient antioxidant system was developed for the prevention and deceleration of skin aging.
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Affiliation(s)
- Yan Wang
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Ministry of Education Key Laboratory of Pollution Control and Ecological Remediation for Industrial Agglomeration Area, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Jialiang Lin
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Ministry of Education Key Laboratory of Pollution Control and Ecological Remediation for Industrial Agglomeration Area, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Zihao Yu
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Ministry of Education Key Laboratory of Pollution Control and Ecological Remediation for Industrial Agglomeration Area, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Jinbo Cheng
- Zhuhai Hairology Biotech Co., Ltd, Zhuhai 519000, China
| | - Jianhua Cheng
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Ministry of Education Key Laboratory of Pollution Control and Ecological Remediation for Industrial Agglomeration Area, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China.
| | - Weikang Cui
- Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, College of Environment and Energy, South China University of Technology, Guangzhou 510006, China.
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3
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Nikolaeva V, Kamalov M, Abdullin TI, Salakhieva D, Chasov V, Rogov A, Zoughaib M. Evaluation of GHK peptide-heparin interactions in multifunctional liposomal covering. J Liposome Res 2024; 34:18-30. [PMID: 37144381 DOI: 10.1080/08982104.2023.2206894] [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: 11/26/2022] [Accepted: 01/12/2023] [Indexed: 05/06/2023]
Abstract
Small biospecific peptides with defined chemical structure and cellular responses are promising alternatives to full-length therapeutic proteins. Identification of these peptides solely or in combination with other bioactive factors and determination of their targets are of substantial interest in current drug delivery research. This study is aimed at the development of new liposomal formulations of ECM-derived GHK peptide known for its multiple regeneration-related activities but poorly recognized cellular targets. In situ association of membranotropic GHK derivative with unilamellar liposomes was performed to prepare GHK-modified liposomes with defined properties. According to DLS, the GHK component on the liposomal surface interacted with heparin in a specific manner compared to other polysaccharides and RGD counterpart, whereas ITC analysis of such interactions was complicated. The results provide a useful tool for screening of bio-interactions of synthetic peptide-presenting liposomes by the DLS technique. They were also employed to produce a multi-functional nanosized GHK-heparin covering for liposomes. The resulting composite liposomes possessed low size dispersity, increased anionic charge, and mechanical rigidity. The heparin component significantly promoted the accumulation of GHK-modified liposomes in 3T3 fibroblasts so that the composite liposomes exhibited the highest cell-penetrating activity. Furthermore, the latter formulation stimulated cell proliferation and strongly inhibited ROS production and GSH depletion under oxidative stress conditions. Together, the results support that cell-surface glycosaminoglycans can be involved in GHK-mediated liposomal delivery, which can be further greatly enhanced by association with heparin. The composite liposomes with GHK-heparin covering can be considered as an advanced GHK-based formulation for therapeutic and cosmeceutical applications.
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Affiliation(s)
- Viktoriia Nikolaeva
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, Kazan, Russia
| | - Marat Kamalov
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, Kazan, Russia
| | - Timur I Abdullin
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, Kazan, Russia
| | - Diana Salakhieva
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, Kazan, Russia
| | - Vitaly Chasov
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan, Russia
| | - Alexey Rogov
- Interdisciplinary Center for Analytical Microscopy, Kazan (Volga Region) Federal University, Kazan, Russia
| | - Mohamed Zoughaib
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan, Russia
- Scientific and Educational Center of Pharmaceutics, Kazan (Volga Region) Federal University, Kazan, Russia
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4
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Rakhmetova KK, Mishina ES, Bobyntsev II, Bezhin AI, Vorvul AO. Effects of Gly-His-Lys-D-Ala Peptide on Skin Wound Regeneration Processes. Bull Exp Biol Med 2024; 176:411-416. [PMID: 38345677 DOI: 10.1007/s10517-024-06035-w] [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: 05/31/2023] [Indexed: 02/22/2024]
Abstract
We evaluated the effects of the Gly-His-Lys-D-Ala peptide in a dose 0.5 μg/kg on skin wound regeneration in male Wistar rats (n=80) after initial surgical debridement when administered intracutaneously around the site of injury. Histological (severity of the inflammatory reaction, formation of granulation tissue, and epithelialization terms) and morphometric (number of fibroblastic cells, macrophages, granulocytes, and lymphocytes) studies were performed on autopsy specimens on days 3, 7, 10, and 30 of the experiment. Daily intracutaneous injection of the peptide resulted in an increase in the number of fibroblastic cells and macrophages, as well as in a decrease in the number of granulocytes against the background of active wound contraction on day 30 of the experiment. Thus, Gly-His-Lys-D-Ala alleviated the inflammatory reaction and promoted the regenerative processes.
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Affiliation(s)
- K K Rakhmetova
- Kursk State Medical University, Ministry of Health of the Russian Federation, Kursk, Russia
| | - E S Mishina
- Kursk State Medical University, Ministry of Health of the Russian Federation, Kursk, Russia
| | - I I Bobyntsev
- Kursk State Medical University, Ministry of Health of the Russian Federation, Kursk, Russia.
| | - A I Bezhin
- Kursk State Medical University, Ministry of Health of the Russian Federation, Kursk, Russia
| | - A O Vorvul
- Kursk State Medical University, Ministry of Health of the Russian Federation, Kursk, Russia
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5
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Lee S, Lee SM, Lee SH, Choi WK, Park SJ, Kim DY, Oh SW, Oh J, Cho JY, Lee J, Chien PN, Nam SY, Heo CY, Lee YS, Kwak EA, Chung WJ. In situ photo-crosslinkable hyaluronic acid-based hydrogel embedded with GHK peptide nanofibers for bioactive wound healing. Acta Biomater 2023; 172:159-174. [PMID: 37832839 DOI: 10.1016/j.actbio.2023.10.011] [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: 05/24/2023] [Revised: 09/18/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023]
Abstract
A versatile hydrogel was developed for enhancing bioactive wound healing by introducing the amphiphilic GHK peptide (GHK-C16) into a photo-crosslinkable tyramine-modified hyaluronic acid (HA-Ty). GHK-C16 self-assembled into GHK nanofibers (GHK NF) in HA-Ty solution, which underwent in situ gelation after the wound area was filled with precursor solution. Blue light irradiation (460-490 nm), with riboflavin phosphate as a photoinitiator, was used to trigger crosslinking, which enhanced the stability of the highly degradable hyaluronic acid and enabled sustained release of the nanostructured GHK derivatives. The hydrogels provided a microenvironment that promoted the proliferation of dermal fibroblasts and the activation of cytokines, leading to reduced inflammation and increased collagen expression during wound healing. The complexation of Cu2+ into GHK nanofibers resulted in superior wound healing capabilities compared with non-lipidated GHK peptide with a comparable level of growth factor (EGF). Additionally, nanostructured Cu-GHK improved angiogenesis through vascular endothelial growth factor (VEGF) activation, which exerted a synergistic therapeutic effect. Furthermore, in vivo wound healing experiments revealed that the Cu-GHK NF/HA-Ty hydrogel accelerated wound healing through densely packed remodeled collagen in the dermis and promoting the growth of denser fibroblasts. HA-Ty hydrogels incorporating GHK NF also possessed improved mechanical properties and a faster wound healing rate, making them suitable for advanced bioactive wound healing applications. STATEMENT OF SIGNIFICANCE: By combining photo-crosslinkable tyramine-modified hyaluronic acid with self-assembled Cu-GHK-C16 peptide nanofibers (Cu-GHK NF), the Cu-GHK NF/HA-Ty hydrogel offers remarkable advantages over conventional non-structured Cu-GHK for wound healing. It enhances cell proliferation, migration, and collagen remodeling-critical factors in tissue regeneration. The incorporation of GHK nanofibers complexed with copper ions imparts potent anti-inflammatory effects, promoting cytokine activation and angiogenesis during wound healing. The Cu-GHK NF/hydrogel's unique properties, including in situ photo-crosslinking, ensure high customization and potency in tissue regeneration, providing a cost-effective alternative to growth factors. In vivo experiments further validate its efficacy, demonstrating significant wound closure, collagen remodeling, and increased fibroblast density. Overall, the Cu-GHK NF/HA-Ty hydrogel represents an advanced therapeutic option for wound healing applications.
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Affiliation(s)
- Seohui Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Sang Min Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Sang Hyun Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Woong-Ku Choi
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Sung-Jun Park
- School of Chemical and Biological Engineering, Seoul National University, 151-744, Seoul, Republic of Korea
| | - Do Yeon Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Sae Woong Oh
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Jieun Oh
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Jongsung Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Pham Ngoc Chien
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Sun Young Nam
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Chan Yeong Heo
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea; Department of Medical Device Development, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Yoon-Sik Lee
- School of Chemical and Biological Engineering, Seoul National University, 151-744, Seoul, Republic of Korea
| | - Eun-A Kwak
- Research Institute of Biomolecule Control, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea.
| | - Woo-Jae Chung
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea; Research Institute of Biomolecule Control, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea; Center for Biologics, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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6
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Tosto R, Vecchio G, Bellia F. New Biotinylated GHK and Related Copper(II) Complex: Antioxidant and Antiglycant Properties In Vitro against Neurodegenerative Disorders. Molecules 2023; 28:6724. [PMID: 37764500 PMCID: PMC10538196 DOI: 10.3390/molecules28186724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
Neurodegenerative diseases affect millions of people worldwide. The failure of the enzymatic degradation, the oxidative stress, the dyshomeostasis of metal ions, among many other biochemical events, might trigger the pathological route, but the onset of these pathologies is unknown. Multi-target and multifunctional molecules could address several biomolecular issues of the pathologies. The tripeptide GHK, a bioactive fragment of several proteins, and the related copper(II) complex have been largely used for many purposes, from cosmetic to therapeutic applications. GHK derivatives were synthesized to increase the peptide stability and improve the target delivery. Herein we report the synthesis of a new biotin-GHK conjugate (BioGHK) through orthogonal reactions. BioGHK is still capable of coordinating copper(II), as observed by spectroscopic and spectrometric measurements. The spectroscopic monitoring of the copper-induced ascorbate oxidation was used to measure the antioxidant activity Cu(II)-BioGHK complex, whereas antiglycant activity of the ligand towards harmful reactive species was investigated using MALDI-TOF. The affinity of BioGHK for streptavidin was evaluated using a spectrophotometric assay and compared to that of biotin. Finally, the antiaggregant activity towards amyloid-β was evaluated using a turn-on fluorescent dye. BioGHK could treat and/or prevent several adverse biochemical reactions that characterize neurodegenerative disorders, such as Alzheimer's disease.
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Affiliation(s)
- Rita Tosto
- Institute of Crystallography, National Research Council of Italy (CNR), P. Gaifami 18, 95126 Catania, Italy;
| | - Graziella Vecchio
- Department of Chemical Sciences, University of Catania, A. Doria 6, 95125 Catania, Italy;
| | - Francesco Bellia
- Institute of Crystallography, National Research Council of Italy (CNR), P. Gaifami 18, 95126 Catania, Italy;
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7
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An P, Zhang Z, Yang J, Wang T, Wang Z, Sun CL, Qin C, Li J. Ultrasensitive and Label-Free Detection of Copper Ions by GHK-Modified Asymmetric Nanochannels. Anal Chem 2023; 95:13456-13462. [PMID: 37624577 DOI: 10.1021/acs.analchem.3c01174] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
Artificial solid-state nanochannels have garnered considerable attention as promising nanofluidic tools for ion/molecular detection, DNA sequencing, and biomimicry. Recently, nanofluidic devices have emerged as cost-effective detection tools for heavy metal ions by modifying stimuli-responsive materials. In this work, high-purity glycyl-l-histidyl-l-lysine (GHK) peptide is synthesized by using 7-diphenylphosphonooxycoumarin-4-methanol (DPCM) as a protecting group and auxiliary carrier by homogeneous synthesis of photocleavable groups. Subsequently, we developed a GHK-modified asymmetric nanochannel nanofluidic diode by covalently attaching the GHK peptide to the inner surface of the nanochannels. This modification facilitated specific recognition and ultra-trace level detection of Cu2+ ions, achieving a detection limit of 10-15 M. Due to the robust complexing ability between Cu2+ and GHK peptide, the GHK-modified asymmetric nanochannels can form GHK-Cu complexes on the inner surface of nanochannels when Cu2+ passes through the nanochannels. This results in changes of current-potential (I-V) properties, which facilitated Cu2+ detection. Theoretical calculations confirmed the high affinity of the GHK peptide for Cu2+, thereby ensuring excellent Cu2+ selectivity. To evaluate the applicability of our system for detecting Cu2+ in real-world scenarios, we analyzed the concentration of Cu2+ in tap water. The GHK-Cu complexes could be dissociated by adding EDTA to the solution, enabling the regeneration and reuse of this ultrasensitive and label-free Cu2+ detection system using GHK-modified asymmetric multi-nanochannels. We anticipate that the GHK-modified asymmetric nanochannels will find future applications in the label-free detection of Cu2+ in domestic water.
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Affiliation(s)
- Pengrong An
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. No. 127, Youyi Road (West), Xi'an, Shaanxi 710072, P.R. China
| | - Zixin Zhang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. No. 127, Youyi Road (West), Xi'an, Shaanxi 710072, P.R. China
| | - Jincan Yang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. No. 127, Youyi Road (West), Xi'an, Shaanxi 710072, P.R. China
| | - Tianming Wang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. No. 127, Youyi Road (West), Xi'an, Shaanxi 710072, P.R. China
| | - Zhuoyue Wang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. No. 127, Youyi Road (West), Xi'an, Shaanxi 710072, P.R. China
| | - Chun-Lin Sun
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, No. 222 Tianshui Road (South), Lanzhou, Gansu 730000, P.R. China
| | - Chuanguang Qin
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. No. 127, Youyi Road (West), Xi'an, Shaanxi 710072, P.R. China
| | - Jun Li
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. No. 127, Youyi Road (West), Xi'an, Shaanxi 710072, P.R. China
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Zhang Q, Liu J, Deng MM, Tong R, Hou G. Relief of ovalbumin-induced airway remodeling by the glycyl-l-histidyl-l-lysine-Cu 2+ tripeptide complex via activation of SIRT1 in airway epithelial cells. Biomed Pharmacother 2023; 164:114936. [PMID: 37257226 DOI: 10.1016/j.biopha.2023.114936] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 05/13/2023] [Accepted: 05/22/2023] [Indexed: 06/02/2023] Open
Abstract
Fixed airflow limitation (FAO), prevalent in patients with severe or difficult-to-treat asthma, is mainly caused by airway remodeling. Airway remodeling is initiated by inflammation and involves subsequent pathological changes. Glycyl-l-histidyl-l-lysine (GHK) is a matrikine with anti-inflammatory and antioxidant effects, naturally existing in human tissue. At present, the GHK level in human plasma and whether it is related to airway remodeling of asthma remain unclear. This study was conducted to determine how GHK is involved in airway remodeling in asthma. Our result showed that the plasma GHK levels of patients with asthma were significantly lower than those of age-matched healthy controls. In asthma patients, plasma GHK levels display a moderate correlation with FEF25-75%, and patients with FAO had significantly lower GHK levels. Ovalbumin-induced mice of asthma model treated with PBS or GHK-Cu (a form of GHK with higher bioavailability) were used to evaluate the effect of exogenous GHK supplement on airway remodeling. GHK-Cu administration alleviated airway remodeling, as reflected by decreased peribronchial collagen deposition and airway mucus secretion, and suppressed epithelial-mesenchymal transition. The therapeutical effect related to decreased TGF-β1 level. Successively, network pharmacology and the validation data of experiments in vivo and vitro demonstrated that GHK-Cu decreased TGF-β1 level by increasing SIRT1 expression and activating SIRT1 deacetylation in airway epithelial cells, thereby alleviating airway remodeling. Collectively, decreased plasma GHK levels were related to FAO in asthma patients. Through the direct binding and activation of SIRT1, exogenous GHK-Cu administration alleviated airway remodeling in asthmatic mice.
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Affiliation(s)
- Qin Zhang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing 100029, China; National Clinical Research Center for Respiratory Diseases, Beijing 100029, China; National Center for Respiratory Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China; Institute of Respiratory Disease, the First Hospital of China Medical University, No. 155, Nanjing Street, Heping District, 110000 Shenyang, China
| | - Jia Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, No. 555, Zuchongzhi Road, Pudong District, Shanghai 201203, China
| | - Ming-Ming Deng
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing 100029, China; National Clinical Research Center for Respiratory Diseases, Beijing 100029, China; National Center for Respiratory Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China
| | - Run Tong
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing 100029, China; National Clinical Research Center for Respiratory Diseases, Beijing 100029, China; National Center for Respiratory Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China
| | - Gang Hou
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing 100029, China; National Clinical Research Center for Respiratory Diseases, Beijing 100029, China; National Center for Respiratory Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No.2, East Yinghua Road, Chaoyang District, Beijing 100029, China.
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9
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Alencar-Silva T, Díaz-Martín RD, Zonari A, Foyt D, Guiang M, Pogue R, Saldanha-Araujo F, Dias SC, Franco OL, Carvalho JL. The Combination of Synoeca-MP Antimicrobial Peptide with IDR-1018 Stimulates Proliferation, Migration, and the Expression of Pro-Regenerative Genes in Both Human Skin Cell Cultures and 3D Skin Equivalents. Biomolecules 2023; 13:biom13050804. [PMID: 37238674 DOI: 10.3390/biom13050804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 05/28/2023] Open
Abstract
In skin lesions, the development of microbial infection affects the healing process, increasing morbidity and mortality rates in patients with severe burns, diabetic foot, and other types of skin injuries. Synoeca-MP is an antimicrobial peptide (AMP) that exhibits activity against several bacteria of clinical importance, but its cytotoxicity can represent a problem for its positioning as an effective antimicrobial compound. In contrast, the immunomodulatory peptide IDR-1018 presents low toxicity and a wide regenerative potential due to its ability to reduce apoptotic mRNA expression and promote skin cell proliferation. In the present study, we used human skin cells and a 3D skin equivalent models to analyze the potential of the IDR-1018 peptide to attenuate the cytotoxicity of synoeca-MP, as well as the influence of synoeca-MP/IDR-1018 combination on cell proliferation, regenerative processes, and wound repair. We found that the addition of IDR-1018 significantly improved the biological properties of synoeca-MP on skin cells without modifying its antibacterial activity against S. aureus. Likewise, in both melanocytes and keratinocytes, the treatment with synoeca-MP/IDR-1018 combination induces cell proliferation and migration, while in a 3D human skin equivalent model, it can accelerate wound reepithelization. Furthermore, treatment with this peptide combination generates an up-regulation in the expression of pro-regenerative genes in both monolayer cell cultures and in 3D skin equivalents. This data suggests that the synoeca-MP/IDR-1018 combination possesses a good profile of antimicrobial and pro-regenerative activity, opening the door to the development of new strategies for the treatment of skin lesions.
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Affiliation(s)
- Thuany Alencar-Silva
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília 71966-900, DF, Brazil
| | - Rubén D Díaz-Martín
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília 71966-900, DF, Brazil
| | | | | | | | - Robert Pogue
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília 71966-900, DF, Brazil
| | - Felipe Saldanha-Araujo
- Laboratório de Hematologia e Células-Tronco, Departamento e Farmácia, Universidade de Brasília, Brasília 70910-900, DF, Brazil
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília 70910-900, DF, Brazil
| | - Simoni Campos Dias
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília 71966-900, DF, Brazil
- Programa de Pós-Graduação em Biologia Animal, Universidade de Brasília, Brasília 70910-900, DF, Brazil
| | - Octavio Luiz Franco
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília 71966-900, DF, Brazil
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília 70910-900, DF, Brazil
- S-Inova Biotech, Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande 79117-900, MS, Brazil
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília 71966-900, DF, Brazil
| | - Juliana Lott Carvalho
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília 71966-900, DF, Brazil
- Laboratório Interdisciplinar de Biociências, Faculdade de Medicina, Campus Darcy Ribeiro, Universidade de Brasília, Brasília 70910-900, DF, Brazil
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10
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Liuzzi GM, Petraglia T, Latronico T, Crescenzi A, Rossano R. Antioxidant Compounds from Edible Mushrooms as Potential Candidates for Treating Age-Related Neurodegenerative Diseases. Nutrients 2023; 15:nu15081913. [PMID: 37111131 PMCID: PMC10145943 DOI: 10.3390/nu15081913] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/06/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
The last century has seen an increase in our life expectancy. As a result, various age-related diseases, such as neurodegenerative diseases (NDs), have emerged, representing new challenges to society. Oxidative stress (OS), a condition of redox imbalance resulting from excessive production of reactive oxygen species, represents a common feature that characterizes the brains of elderly people, thus contributing to NDs. Consequently, antioxidant supplementation or dietary intake of antioxidant-containing foods could represent an effective preventive and therapeutic intervention to maintain the integrity and survival of neurons and to counteract the neurodegenerative pathologies associated with aging. Food contains numerous bioactive molecules with beneficial actions for human health. To this purpose, a wide range of edible mushrooms have been reported to produce different antioxidant compounds such as phenolics, flavonoids, polysaccharides, vitamins, carotenoids, ergothioneine, and others, which might be used for dietary supplementation to enhance antioxidant defenses and, consequently, the prevention of age-related neurological diseases. In this review, we summarized the role of oxidative stress in age-related NDs, focusing on the current knowledge of the antioxidant compounds present in edible mushrooms, and highlighting their potential to preserve healthy aging by counteracting age-associated NDs.
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Affiliation(s)
- Grazia Maria Liuzzi
- Department of Biosciences, Biotechnologies and Environment, University of Bari "Aldo Moro", 70126 Bari, Italy
| | - Tania Petraglia
- Department of Sciences, University of Basilicata, 85100 Potenza, Italy
| | - Tiziana Latronico
- Department of Biosciences, Biotechnologies and Environment, University of Bari "Aldo Moro", 70126 Bari, Italy
| | - Aniello Crescenzi
- School of Agricultural, Forestry, Food and Environmental Sciences, University of Basilicata, 85100 Potenza, Italy
| | - Rocco Rossano
- Department of Sciences, University of Basilicata, 85100 Potenza, Italy
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11
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Deng M, Zhang Q, Yan L, Bian Y, Li R, Gao J, Wang Y, Miao J, Li J, Zhou X, Hou G. Glycyl- l-histidyl- l-lysine-Cu 2+ rescues cigarette smoking-induced skeletal muscle dysfunction via a sirtuin 1-dependent pathway. J Cachexia Sarcopenia Muscle 2023. [PMID: 36905132 DOI: 10.1002/jcsm.13213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 01/21/2023] [Accepted: 02/02/2023] [Indexed: 03/12/2023] Open
Abstract
BACKGROUND Skeletal muscle dysfunction is an important co-morbidity in patients with chronic obstructive pulmonary disease (COPD) and is significantly associated with increased mortality. Oxidative stress has been demonstrated an important trigger for COPD-related skeletal muscle dysfunction. Glycine-histidine-lysine (GHK) is an active tripeptide, which is a normal component of human plasma, saliva, and urine; promotes tissue regeneration; and acts as an anti-inflammatory and antioxidant properties. The purpose of this study was to determine whether GHK is involved in COPD-related skeletal muscle dysfunction. METHODS The plasma GHK level in patients with COPD (n = 9) and age-paired healthy subjects (n = 11) were detected using reversed-phase high-performance liquid chromatography. The complex GHK with Cu (GHK-Cu) was used in in vitro (C2C12 myotubes) and in vivo experiments (cigarette smoking [CS]-exposure mouse model) to explore the involvement of GHK in CS-induced skeletal muscle dysfunction. RESULTS Compared with healthy control, plasma GHK levels were decreased in patients with COPD (70.27 ± 38.87 ng/mL vs. 133.0 ± 54.54 ng/mL, P = 0.009). And plasma GHK levels in patients with COPD were associated with pectoralis muscle area (R = 0.684, P = 0.042), inflammatory factor TNF-α (R = -0.696, P = 0.037), and antioxidative stress factor SOD2 (R = 0.721, P = 0.029). GHK-Cu was found to rescue CSE-induced skeletal muscle dysfunction in C2C12 myotubes, as evidenced by increased expression of myosin heavy chain, reduced expression of MuRF1 and atrogin-1, elevated mitochondrial content, and enhanced resistance to oxidative stress. In CS-induced muscle dysfunction C57BL/6 mice, GHK-Cu treatment (0.2 and 2 mg/kg) reduces CS-induced muscle mass loss (skeletal muscle weight (1.19 ± 0.09% vs. 1.29 ± 0.06%, 1.40 ± 0.05%; P < 0.05) and muscle cross-sectional area elevated (1055 ± 552.4 μm2 vs. 1797 ± 620.9 μm2 , 2252 ± 534.0 μm2 ; P < 0.001), and also rescues CS-induced muscle weakness, indicated by improved grip strength (175.5 ± 36.15 g vs. 257.6 ± 37.98 g, 339.1 ± 72.22 g; P < 0.01). Mechanistically, GHK-Cu directly binds and activates SIRT1(the binding energy was -6.1 kcal/mol). Through activating SIRT1 deacetylation, GHK-Cu inhibits FoxO3a transcriptional activity to reduce protein degradation, deacetylates Nrf2 and contribute to its action of reducing oxidative stress by generation of anti-oxidant enzymes, increases PGC-1α expression to promote mitochondrial function. Finally, GHK-Cu could protect mice against CS-induced skeletal muscle dysfunction via SIRT1. CONCLUSIONS Plasma glycyl- l-histidyl- l-lysine level in patients with chronic obstructive pulmonary disease was significantly decreased and was significantly associated with skeletal muscle mass. Exogenous administration of glycyl- l-histidyl- l-lysine-Cu2+ could protect against cigarette smoking-induced skeletal muscle dysfunction via sirtuin 1.
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Affiliation(s)
- Mingming Deng
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Qin Zhang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Liming Yan
- Department of Pulmonary and Critical Care Medicine, Fourth Hospital of China Medical University, Shenyang, China
| | - Yiding Bian
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Ruixia Li
- Department of Pulmonary and Critical Care Medicine, First Hospital of China Medical University, Shenyang, China
| | - Jinghan Gao
- Department of Pulmonary and Critical Care Medicine, First Hospital of China Medical University, Shenyang, China
| | - Yingxi Wang
- Department of Pulmonary and Critical Care Medicine, First Hospital of China Medical University, Shenyang, China
| | - Jinrui Miao
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Jiaye Li
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Xiaoming Zhou
- Respiratory Department, Center for Pulmonary Vascular Diseases, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Gang Hou
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
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12
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Jeong EK, Selvaraj B, Clovis S, Son YJ, Park TH, Veeramanoharan A, Kim HI, Yoo KY, Lee JW, Park CM. Synthesis and neuroprotective effects of H 2S-donor-peptide hybrids on hippocampal neuronal cells. Free Radic Biol Med 2023; 194:316-325. [PMID: 36528123 DOI: 10.1016/j.freeradbiomed.2022.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/01/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
Hydrogen sulfide (H2S) has emerged as an endogenous signaling molecule that functions in many physiological and pathological processes of human cells in health and disease, including neuromodulation and neuroprotection, inflammation, angiogenesis, and vasorelaxation. The limited clinical applications of current H2S donors have led to the development of H2S donor hybrid compounds that combine current H2S donors with bioactive molecules. Finely tuned multi-targeting hybrid molecules have been shown to have complementary neuroprotective effects against reactive oxygen species (ROS)-induced oxidative stress. In this study, we developed hybrid molecules combining a dithiolethione-based slow-releasing H2S donor that exerts neuroprotective effects, with the tripeptides glycyl-L-histidyl-l-lysine (GHK) and L-alanyl-L-cystinyl-l-glutamine (ACQ), two natural products that exhibit powerful antioxidant effects. In particular, a hybrid combination of a dithiolethione-based slow-releasing H2S donor and ACQ exhibited significant neuroprotective effects against glutamate-induced oxidative damage in HT22 hippocampal neuronal cells. This hybrid remarkably suppressed Ca2+ accumulation and ROS production. Furthermore, it efficiently inhibited apoptotic neuronal cell death by blocking apoptosis-inducing factor release and its translocation to the nucleus. These results indicate that the hybrid efficiently inhibited apoptotic neuronal cell damage by complementary neuroprotective actions.
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Affiliation(s)
- Eui Kyun Jeong
- Department of Chemistry, Gangneung-Wonju National University, Gangneung, Gangwon, 25457, South Korea
| | - Baskar Selvaraj
- Natural Product Research Center, Institute of Natural Product, Korea Institute of Science and Technology, Gangneung, Gangwon, 25451, South Korea
| | - Shyaka Clovis
- Department of Chemistry, Gangneung-Wonju National University, Gangneung, Gangwon, 25457, South Korea
| | - Yun Jeong Son
- Department of Chemistry, Gangneung-Wonju National University, Gangneung, Gangwon, 25457, South Korea
| | - Tae Hoo Park
- Natural Product Research Center, Institute of Natural Product, Korea Institute of Science and Technology, Gangneung, Gangwon, 25451, South Korea
| | - Ashokkumar Veeramanoharan
- Department of Chemistry, Gangneung-Wonju National University, Gangneung, Gangwon, 25457, South Korea
| | - Hoe-In Kim
- Department of Chemistry, Gangneung-Wonju National University, Gangneung, Gangwon, 25457, South Korea
| | - Ki-Yeon Yoo
- Department of Anatomy, College of Dentistry, Reseach Institute of Oral Sciences, Gangneung-Wonju National University, Gangneung, Gangwon, 25457, South Korea
| | - Jae Wook Lee
- Natural Product Research Center, Institute of Natural Product, Korea Institute of Science and Technology, Gangneung, Gangwon, 25451, South Korea.
| | - Chung-Min Park
- Department of Chemistry, Gangneung-Wonju National University, Gangneung, Gangwon, 25457, South Korea.
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13
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Yuan Z, Ding J, Zhang Y, Huang B, Song Z, Meng X, Ma X, Gong X, Huang Z, Ma S, Xiang S, Xu W. Components, mechanisms and applications of stimuli-responsive polymer gels. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Matrikines as mediators of tissue remodelling. Adv Drug Deliv Rev 2022; 185:114240. [PMID: 35378216 DOI: 10.1016/j.addr.2022.114240] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/21/2022] [Accepted: 03/26/2022] [Indexed: 11/21/2022]
Abstract
Extracellular matrix (ECM) proteins confer biomechanical properties, maintain cell phenotype and mediate tissue repair (via release of sequestered cytokines and proteases). In contrast to intracellular proteomes, where proteins are monitored and replaced over short time periods, many ECM proteins function for years (decades in humans) without replacement. The longevity of abundant ECM proteins, such as collagen I and elastin, leaves them vulnerable to damage accumulation and their host organs prone to chronic, age-related diseases. However, ECM protein fragmentation can potentially produce peptide cytokines (matrikines) which may exacerbate and/or ameliorate age- and disease-related ECM remodelling. In this review, we discuss ECM composition, function and degradation and highlight examples of endogenous matrikines. We then critically and comprehensively analyse published studies of matrix-derived peptides used as topical skin treatments, before considering the potential for improvements in the discovery and delivery of novel matrix-derived peptides to skin and internal organs. From this, we conclude that while the translational impact of matrix-derived peptide therapeutics is evident, the mechanisms of action of these peptides are poorly defined. Further, well-designed, multimodal studies are required.
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15
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Rakhmetova KK, Mishina ES, Vorvul AO, Bobyntsev II, Dolgintsev ME, Bezhin AI. Regenerative effects of Gly-His-Lys and Gly-His-Lys-D-Ala peptides in infected skin wounds. BULLETIN OF RUSSIAN STATE MEDICAL UNIVERSITY 2022. [DOI: 10.24075/brsmu.2022.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Skin wound healing mechanisms and new ways of improving their efficiency represent an important focus in medicine. In this regard, regulatory peptides, which exhibit physiological polyfunctionality and modulate cell growth and differentiation, are of special interest. This study evaluates the effects of Gly-His-Lys (GHK) and Gly-His-Lys-D-Ala (GHK-D-Ala) peptides in the infected skin wound healing. The wounds were modeled in rats (n=150) by full-thickness dorsal skin defects. The peptides were administered intracutaneously at daily doses of 0.5 or 1.5 µg/kg. The healing was assessed on days 3, 7, and 10 by histomorphometric examination of the wounds with adjacent intact skin. GHK-D-Ala administered at daily doses of 0.5 µg/kg had pronounced positive effect on regeneration processes in the wound, as indicated by significantly reduced numbers of granulocytes and lymphocytes with increased representation of fibroblastic lineages and macrophages, and the resulting higher cellular index (p < 0.05–0.001). At higher doses of GHK-D-Ala (1.5 µg/kg), the beneficial effects were less pronounced. According to the comparative morphological examination, the highest positive effect was achieved with 0.5 µg/kg of GHK-D-Ala. Thus, local administration of the GHK peptide with extra D-alanine at carboxy-terminus significantly mitigated the inflammatory reaction and facilitated the healing of infected skin wounds in rat model.
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Affiliation(s)
| | - ES Mishina
- Kursk State Medical University, Kursk, Russia
| | - AO Vorvul
- Kursk State Medical University, Kursk, Russia
| | | | | | - AI Bezhin
- Kursk State Medical University, Kursk, Russia
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16
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Sharma S, Anwar MF, Dinda AK, Singhal M, Dua A, Malik A. Polyaspartic acid, 2-acrylamido-2-Methyl propane sulfonic acid and sodium alginate based biocompatible stimuli responsive polymer gel for controlled release of GHK-Cu peptide for wound healing. J Biomater Appl 2022; 37:132-150. [PMID: 35341370 DOI: 10.1177/08853282221076708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Stimuli responsive polymer based on Polyaspartic acid, 2-Acrylamido-2-methylpropane sulfonic acid and sodium alginate (NaAlg) were synthesized using two cross-linkers Ethylene glycol dimethacrylate (EGDMA) and TMPTA (Trimethylolpropane triacrylate). The polymers were standardized and optimized to obtain a polymer with maximum swelling in distilled water, saline, glucose and solutions of varying pH. The synthesized polymer swelled well in distilled water, glucose solution and acidic- alkaline medium. The biocompatibility of the polymer was evaluated for blood compatibility and protein adsorption. The polymer with maximum swelling property was used for peptide release studies. The polymer was further used to study the peptide encapsulation and release efficiency of the polymeric material which was confirmed by FTIR, Scanning Emission Microscope and EDX. The encapsulation efficiency of the polymer for encapsulating (glycyl-l-histidyl-l-lysine-copper) GHK-Cu was observed to be 55.26% and peptide release of 51.84% was observed for Ethylene glycol dimethacrylate based polymer after 24 h whereas for Trimethylolpropane triacrylate based polymer the encapsulation efficiency was observed to be 49.6% and release was 39.01%. The EGDMA based polymer was further examined under in vivo studies in order to evaluate the efficiency of the synthesized polymer. The in vivo studies include wound closure, histopathological analysis, biochemical and toxicity assay. The material has shown promising results for both in vivo and in vitro studies.
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Affiliation(s)
- Shilpa Sharma
- Department of Chemistry, 584797Manav Rachna University, Faridabad, India
| | - Mohammad Faiyaz Anwar
- Department of Pathology, 28730All India Institute of Medical Sciences, New Delhi, India
| | - Amit Kumar Dinda
- Department of Plastic Reconstructive and Surgery, 28730All India Institute of Medical Sciences, New Delhi, India
| | - Maneesh Singhal
- Department of Plastic Reconstructive and Surgery, 28730All India Institute of Medical Sciences, New Delhi, India
| | - Amita Dua
- Department of Chemistry, 28782Dyal Singh College, New Delhi, India
| | - Amita Malik
- Department of Chemistry, 28782Dyal Singh College, New Delhi, India
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17
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Exogenous Bioactive Peptides Have a Potential Therapeutic Role in Delaying Aging in Rodent Models. Int J Mol Sci 2022; 23:ijms23031421. [PMID: 35163342 PMCID: PMC8835817 DOI: 10.3390/ijms23031421] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/18/2022] [Accepted: 01/20/2022] [Indexed: 02/01/2023] Open
Abstract
In recent years, some exogenous bioactive peptides have been shown to have promising anti-aging effects. These exogenous peptides may have a mechanism similar to endogenous peptides, and some can even regulate the release of endogenous active peptides and play a synergistic role with endogenous active peptides. Most aging studies use rodents that are easy to maintain in the laboratory and have relatively homogenous genotypes. Moreover, many of the anti-aging studies using bioactive peptides in rodent models only focus on the activity of single endogenous or exogenous active peptides, while the regulatory effects of exogenous active peptides on endogenous active peptides remain largely under-investigated. Furthermore, the anti-aging activity studies only focus on the effects of these bioactive peptides in individual organs or systems. However, the pathological changes of one organ can usually lead to multi-organ complications. Some anti-aging bioactive peptides could be used for rescuing the multi-organ damage associated with aging. In this paper, we review recent reports on the anti-aging effects of bioactive peptides in rodents and summarize the mechanism of action for these peptides, as well as discuss the regulation of exogenous active peptides on endogenous active peptides.
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18
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Aqueous Solution Equilibria and Spectral Features of Copper Complexes with Tripeptides Containing Glycine or Sarcosine and Leucine or Phenylalanine. INORGANICS 2022. [DOI: 10.3390/inorganics10010008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Copper(II) complexes of glycyl-L-leucyl-L-histidine (GLH), sarcosyl-L-leucyl-L-histidine (Sar-LH), glycyl-L-phenylalanyl-L-histidine (GFH) and sarcosyl-L-phenylalanyl-L-histidine (Sar-FH) have potential anti-inflammatory activity, which can help to alleviate the symptoms associated with rheumatoid arthritis (RA). From pH 2–11, the MLH, ML, MLH-1 and MLH-2 species formed. The combination of species for each ligand was different, except at the physiological pH, where CuLH-2 predominated for all ligands. The prevalence of this species was supported by EPR, ultraviolet-visible spectrophotometry, and mass spectrometry, which suggested a square planar CuN4 coordination. All ligands have the same basicity for the amine and imidazole-N, but the methyl group of sarcosine decreased the stability of MLH and MLH-2 by 0.1–0.34 and 0.46–0.48 log units, respectively. Phenylalanine increased the stability of MLH and MLH-2 by 0.05–0.29 and 1.19–1.21 log units, respectively. For all ligands, 1H NMR identified two coordination modes for MLH, where copper(II) coordinates via the amine-N and neighboring carbonyl-O, as well as via the imidazole-N and carboxyl-O. EPR spectroscopy identified the MLH, ML and MLH-2 species for Cu-Sar-LH and suggested a CuN2O2 chromophore for ML. DFT calculations with water as a solvent confirmed the proposed coordination modes of each species at the B3LYP level combined with 6-31++G**.
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19
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Kotuniak R, Bal W. Kinetics of Cu(II) complexation by ATCUN/NTS and related peptides: a gold mine of novel ideas for copper biology. Dalton Trans 2021; 51:14-26. [PMID: 34816848 DOI: 10.1039/d1dt02878b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cu(II)-peptide complexes are intensely studied as models for biological peptides and proteins and for their direct importance in copper homeostasis and dyshomeostasis in human diseases. In particular, high-affinity ATCUN/NTS (amino-terminal copper and nickel/N-terminal site) motifs present in proteins and peptides are considered as Cu(II) transport agents for copper delivery to cells. The information on the affinities and structures of such complexes derived from steady-state methods appears to be insufficient to resolve the mechanisms of copper trafficking, while kinetic studies have recently shown promise in explaining them. Stopped-flow experiments of Cu(II) complexation to ATCUN/NTS peptides revealed the presence of reaction steps with rates much slower than the diffusion limit due to the formation of novel intermediate species. Herein, the state of the field in Cu(II)-peptide kinetics is reviewed in the context of physiological data, leading to novel ideas in copper biology, together with the discussion of current methodological issues.
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Affiliation(s)
- Radosław Kotuniak
- Institute of Biochemistry and Biophysics, Polish Academy of Science, Pawińskiego 5a, 02-106 Warsaw, Poland.
| | - Wojciech Bal
- Institute of Biochemistry and Biophysics, Polish Academy of Science, Pawińskiego 5a, 02-106 Warsaw, Poland.
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20
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Gupta MK, Jena CK, Balachandra C, Sharma NK. Unusual Pseudopeptides: Syntheses and Structural Analyses of Ethylenediprolyl Peptides and Their Metal Complexes with Cu(II) Ion. J Org Chem 2021; 86:16327-16336. [PMID: 34783560 DOI: 10.1021/acs.joc.1c01676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The synthetic unnatural amino acids and their peptides as peptidomimetics have shown remarkable structural and functional properties. In the repertoire of synthetic peptides, pseudopeptides have emerged as attractive small peptidomimetics that are capable of forming the characteristic secondary structures in the solid/solution phase, as in natural peptides. This report describes the synthesis and structural analyses of novel pseudopeptides as ethylenediprolyl (etpro) tetra/hexapeptides, comprising a chiral diaminedicarboxylate scaffold. Their NMR and CD spectral analyses strongly support the formation of the β-turn-type structures in organic solvents (ACN/MeOH). Further, the single-crystal X-ray studies of tetrapseudopeptide confirm the formation of a unique self-assembly structure as β-strand type in the solid state through hydrogen bonding. Importantly, their diamine moiety influences the formation of Cu-complexes with Cu(II) ions. A tetrapseudopeptide monocarboxylate-Cu(II) complex forms the single crystal that is studied by the single-crystal X-ray diffractometer. The crystal structure of the tetrapseudopeptide-Cu(II) complex confirms the formation of the distorted square planar geometry structure, almost like the amyloid β(Aβ)-peptide-Cu(II) complex structural geometry. Hence, these etpro-pseudopeptides are emerging peptidomimatics that form β-turn types of structures and metal complexes mainly with Cu(II) ions. These molecules could be considered for the development of peptide-based catalysts and peptide-based therapeutic drug candidates.
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Affiliation(s)
- Manish K Gupta
- National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Bhubaneswar 752050, India.,Homi Bhabha National Institute (HBNI), Mumbai 400094, India
| | - Chinmay K Jena
- National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Bhubaneswar 752050, India.,Homi Bhabha National Institute (HBNI), Mumbai 400094, India
| | - Chenikkayala Balachandra
- National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Bhubaneswar 752050, India.,Homi Bhabha National Institute (HBNI), Mumbai 400094, India
| | - Nagendra K Sharma
- National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni Campus, Bhubaneswar 752050, India.,Homi Bhabha National Institute (HBNI), Mumbai 400094, India
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21
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Flagler MJ, Tamura M, Laughlin T, Hartman S, Ashe J, Adams R, Kozak K, Cresswell K, Mullins L, Jarrold BB, Isfort RJ, Sherrill JD. Combinations of peptides synergistically activate the regenerative capacity of skin cells in vitro. Int J Cosmet Sci 2021; 43:518-529. [PMID: 34272744 PMCID: PMC9291327 DOI: 10.1111/ics.12725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/02/2021] [Accepted: 07/15/2021] [Indexed: 11/28/2022]
Abstract
Objective To explore synergistic effects related to skin regeneration, peptides with distinct biological mechanisms of action were evaluated in combination with different skin cell lines in the presence or absence of niacinamide (Nam). Furthermore, the synergistic responses of peptide combinations on global gene expression were compared with the changes that occur with fractional laser resurfacing treatment, a gold standard approach for skin rejuvenation, to further define optimal peptide combinations. Methods Microarray profiling was used to characterize the biological responses of peptide combinations (+/− Nam) relative to the individual components in epidermal keratinocyte and dermal fibroblast cell lines. Cellular functional assays were utilized to confirm the synergistic effects of peptide combinations. Bioinformatics approaches were used to link the synergistic effects of peptide combinations on gene expression to the transcriptomics of the skin rejuvenation response from fractional laser treatment. Results Microarray analysis of skin cells treated with peptide combinations revealed synergistic changes in gene expression compared with individual peptide controls. Bioinformatic analysis of synergy genes in keratinocytes revealed the activation of NRF2‐mediated oxidative stress responses by a combination of Ac‐PPYL, Pal‐KTTKS and Nam. Additional analysis revealed direct downstream transcriptional targets of NRF2/ARE exhibiting synergistic regulation by this combination of materials, which was corroborated by a cellular reporter assay. NRF2‐mediated oxidative stress response pathways were also found to be activated in the transcriptomics of the early skin rejuvenation response to fractional laser treatment, suggesting the importance of this biology in the early stages of tissue repair. Additionally, the second combination of peptides (pal‐KT and Ac‐PPYL) was found to synergistically restore cellular ATP levels that had been depleted due to the presence of ROS, indicating an additional mechanism, whereby peptide synergies may accelerate skin repair. Conclusion Through combinatorial synergy studies, we have identified additional in vitro skin repair mechanisms beyond the previously described functions of individual peptides and correlated these to the transcriptomics of the skin rejuvenation response of fractional laser treatment. These findings suggest that specific peptides can act together, via complementary and synergistic mechanisms, to holistically enhance the regenerative capacity of in vitro skin cells.
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Affiliation(s)
| | - Makio Tamura
- The Procter & Gamble Company, Cincinnati, Ohio, USA
| | - Tim Laughlin
- The Procter & Gamble Company, Cincinnati, Ohio, USA
| | | | - Julie Ashe
- The Procter & Gamble Company, Cincinnati, Ohio, USA
| | - Rachel Adams
- The Procter & Gamble Company, Cincinnati, Ohio, USA
| | - Kim Kozak
- The Procter & Gamble Company, Cincinnati, Ohio, USA
| | | | - Lisa Mullins
- The Procter & Gamble Company, Cincinnati, Ohio, USA
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22
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Budama-Kilinc Y, Kecel-Gunduz S, Cakir-Koc R, Aslan B, Bicak B, Kokcu Y, Ozel AE, Akyuz S. Structural Characterization and Drug Delivery System of Natural Growth-Modulating Peptide Against Glioblastoma Cancer. Int J Pept Res Ther 2021. [DOI: 10.1007/s10989-021-10229-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Jenny KA, Ruggles EL, Liptak MD, Masterson DS, Hondal RJ. Ergothioneine in a peptide: Substitution of histidine with 2-thiohistidine in bioactive peptides. J Pept Sci 2021; 27:e3339. [PMID: 34008255 DOI: 10.1002/psc.3339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/27/2021] [Accepted: 04/30/2021] [Indexed: 11/08/2022]
Abstract
Ergothioneine (EGT) is the betaine of 2-thiohistidine (2-thioHis) and may be the last undiscovered vitamin. EGT cannot be incorporated into a peptide because the α-nitrogen is trimethylated, although this would be advantageous as an EGT-like moiety in a peptide would impart unique antioxidant and metal chelation properties. The amino acid 2-thioHis is an analogue of EGT and can be incorporated into a peptide, although there is only one reported occurrence of this in the literature. A likely reason is the harsh conditions reported for protection of the thione, with similarly harsh conditions used in order to achieve deprotection after synthesis. Here, we report a novel strategy for the incorporation of 2-thioHis into peptides in which we decided to leave the thione unprotected. This decision was based upon the reported low reactivity of EGT with 5,5'-dithiobis(2-nitrobenzoic acid) (DTNB), a very electrophilic disulfide. This strategy was successful, and we report here the synthesis of 2-thioHis analogues of carnosine (βAH), GHK-tripeptide, and HGPLGPL. Each of these peptides contain a histidine (His) residue and possesses biological activity. Our results show that substitution of His with 2-thioHis imparts strong antioxidant, radical scavenging, and copper binding properties to the peptide. Notably, we found that the 2-thioHis analogue of GHK-tripeptide was able to completely quench the hydroxyl and ABTS radicals in our assays, and its antioxidant capacity was significantly greater than would be expected based on the antioxidant capacity of free 2-thioHis. Our work makes possible greater future use of 2-thioHis in peptides.
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Affiliation(s)
- Kaelyn A Jenny
- Department of Biochemistry, College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Erik L Ruggles
- Department of Biochemistry, College of Medicine, University of Vermont, Burlington, Vermont, USA.,Department of Chemistry, University of Vermont, Burlington, Vermont, USA
| | - Matthew D Liptak
- Department of Chemistry, University of Vermont, Burlington, Vermont, USA
| | - Douglas S Masterson
- School of Mathematics and Natural Sciences, Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, Mississippi, USA
| | - Robert J Hondal
- Department of Biochemistry, College of Medicine, University of Vermont, Burlington, Vermont, USA.,Department of Chemistry, University of Vermont, Burlington, Vermont, USA
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24
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Falcone E, Okafor M, Vitale N, Raibaut L, Sour A, Faller P. Extracellular Cu2+ pools and their detection: From current knowledge to next-generation probes. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213727] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Hammouda AN, Elmagbari FM, Jackson GE, Vicatos GM, Bonomo RP, Valora G. Stability, Structure, and Permeability Studies of Copper Tripeptide Species in Aqueous Solution. Aust J Chem 2021. [DOI: 10.1071/ch21040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The use of copper complexes to alleviate inflammation associated with rheumatoid arthritis (RA) is well known. This study focuses on designing a new drug that could be used to increase the bioavailability of copper and hence be more effective. The ligand chosen was sarcosyl-l-lysyl-l-lysine (Sar-Lys-Lys). The thermodynamic stability of H+, CuII, NiII, and ZnII complexes of Sar-Lys-Lys was measured in an aqueous solution at 298±0.01°C and an ionic strength of 0.15M (NaCl) using glass electrode potentiometry. UV-Vis, ESR, and 1H NMR spectroscopy was used to investigate the solution structures of the different species. At physiological pH, the ligand was found to coordinate via two amide nitrogens, the terminal amine, and the terminal carboxy group. The ε-amino group of lysine did not coordinate with the metal ion. Dermal absorption is the preferred method of administration and so this study used partition coefficients and tissue permeability studies to assess the bioavailability of the different complexes. Sar-Lys-Lys was found to increase the copper lipophilicity by a factor of 10 and increased tissue permeability by 30%.
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26
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Mehr A, Henneberg F, Chari A, Görlich D, Huyton T. The copper(II)-binding tripeptide GHK, a valuable crystallization and phasing tag for macromolecular crystallography. Acta Crystallogr D Struct Biol 2020; 76:1222-1232. [PMID: 33263328 PMCID: PMC7709198 DOI: 10.1107/s2059798320013741] [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: 08/04/2020] [Accepted: 10/13/2020] [Indexed: 12/04/2022] Open
Abstract
The growth of diffraction-quality crystals and experimental phasing remain two of the main bottlenecks in protein crystallography. Here, the high-affinity copper(II)-binding tripeptide GHK was fused to the N-terminus of a GFP variant and an MBP-FG peptide fusion. The GHK tag promoted crystallization, with various residues (His, Asp, His/Pro) from symmetry molecules completing the copper(II) square-pyramidal coordination sphere. Rapid structure determination by copper SAD phasing could be achieved, even at a very low Bijvoet ratio or after significant radiation damage. When collecting highly redundant data at a wavelength close to the copper absorption edge, residual S-atom positions could also be located in log-likelihood-gradient maps and used to improve the phases. The GHK copper SAD method provides a convenient way of both crystallizing and phasing macromolecular structures, and will complement the current trend towards native sulfur SAD and MR-SAD phasing.
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Affiliation(s)
- Alexander Mehr
- Department of Structural Dynamics, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany
| | - Fabian Henneberg
- Department of Structural Dynamics, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany
| | - Ashwin Chari
- Department of Structural Dynamics, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany
| | - Dirk Görlich
- Department of Cellular Logistics, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany
| | - Trevor Huyton
- Department of Cellular Logistics, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany
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27
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Zhang H, Wang Y, Lian L, Zhang C, He Z. Glycine-Histidine-Lysine (GHK) Alleviates Astrocytes Injury of Intracerebral Hemorrhage via the Akt/miR-146a-3p/AQP4 Pathway. Front Neurosci 2020; 14:576389. [PMID: 33192260 PMCID: PMC7658812 DOI: 10.3389/fnins.2020.576389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 09/03/2020] [Indexed: 12/22/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is a major type of cerebrovascular disease with poor prognosis. Recent studies have shown that Glycyl-l-histidyl-l-lysine (GHK) is a kind of natural human tripeptide which could inhibit inflammation and against neurodegenerative diseases, but neither its role nor the mechanisms in ICH have yet been explicit. Currently, we investigated the possible strategies of GHK on ICH injury. Neurological deficit scores, brain water content, Nissl staining, and aquaporin 4 (AQP4) immunohistochemistry were detected in different groups of rats. The expression of microRNAs (miRNAs) was examined by real-time PCR. Inflammatory factors were detected using enzyme-linked immunosorbent assay (ELISA). Cell viability and cell proliferation were detected by Cell Counting Kit-8 (CCK-8). Matrix metalloproteinase 2 (MMP2), MMP9, tissue inhibitors of metalloproteinase-1 (TIMP1), AQP4 expression were detected/assessed using western blot. We observed that 5 and 10 μg/g of GHK improved neurological recovery by significantly reducing brain water content, improving neurological deficits, and promoting neuron survival. Besides, GHK alleviated inflammatory reaction and downregulated AQP4 expression. Furthermore, the effects of GHK on astrocyte were associated with the upregulation of miRNA-146a-3p, which partially regulated the expression of AQP4. Our results demonstrated that the phosphatidylinositol 3-kinase (PI3K)/AKT pathway participated in the GHK-induced upregulation of miR-146a-3p and miR-146a-3p/AQP4 interaction plays a role in the injury following ICH. These findings suggested that GHK could provide a novel therapeutic strategy for ICH.
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Affiliation(s)
- Heyu Zhang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, Guangzhou, China.,Department of Neurology, First Hospital of China Medical University, Shenyang, China
| | - Yanzhe Wang
- Department of Neurology, First Hospital of China Medical University, Shenyang, China
| | - Ling Lian
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, Guangzhou, China
| | - Cheng Zhang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, Guangzhou, China
| | - Zhiyi He
- Department of Neurology, First Hospital of China Medical University, Shenyang, China
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28
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Antioxidants as an Epidermal Stem Cell Activator. Antioxidants (Basel) 2020; 9:antiox9100958. [PMID: 33036398 PMCID: PMC7600937 DOI: 10.3390/antiox9100958] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 01/18/2023] Open
Abstract
Antioxidants may modulate the microenvironment of epidermal stem cells by reducing the production of reactive oxygen species or by regulating the expression of extracellular matrix protein. The extracellular membrane is an important component of the stem cell niche, and microRNAs regulate extracellular membrane-mediated basal keratinocyte proliferation. In this narrative review, we will discuss several antioxidants such as ascorbic acid, plant extracts, peptides and hyaluronic acid, and their effect on the epidermal stem cell niche and the proliferative potential of interfollicular epidermal stem cells in 3D skin equivalent models.
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29
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Hsiao CD, Wu HH, Malhotra N, Liu YC, Wu YH, Lin YN, Saputra F, Santoso F, Chen KHC. Expression and Purification of Recombinant GHK Tripeptides Are Able to Protect against Acute Cardiotoxicity from Exposure to Waterborne-Copper in Zebrafish. Biomolecules 2020; 10:E1202. [PMID: 32825031 PMCID: PMC7564529 DOI: 10.3390/biom10091202] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/15/2020] [Accepted: 08/16/2020] [Indexed: 01/15/2023] Open
Abstract
In this study, an alternative method is developed to replace chemical synthesis to produce glycyl-histidyl-lysine (GHK) tripeptides with a bacterial fermentation system. The target GHK tripeptides are cloned into expression plasmids carrying histidine-glutathione-S-transferase (GST) double tags and TEV (tobacco etch virus) cleavage sites at the N-terminus. After overexpression in Escherichia coli (E. coli) BL21 cells, the recombinant proteins are purified and recovered by high-pressure liquid chromatography (HPLC). UV-vis absorption spectroscopy was used to investigate the chemical and biological properties of the recombinant GHK tripeptides. The results demonstrated that one recombinant GHK tripeptide can bind one copper ion to form a GHK-Cu complex with high affinity, and the recombinant GHK peptide to copper ion ratio is 1:1. X-ray absorption near-edge spectroscopy (XANES) of the copper ions indicated that the oxidation state of copper in the recombinant GHK-Cu complexes here was Cu(II). All of the optical spectrum evidence suggests that the recombinant GHK tripeptide appears to possess the same biophysical and biochemical features as the GHK tripeptide isolated from human plasma. Due to the high binding affinity of GHK tripeptides to copper ions, we used zebrafish as an in vivo model to elucidate whether recombinant GHK tripeptides possess detoxification potential against the cardiotoxicity raised by waterborne Cu(II) exposure. Here, exposure to Cu(II) induced bradycardia and heartbeat irregularity in zebrafish larvae; however, the administration of GHK tripeptides could rescue those experiencing cardiotoxicity, even at the lowest concentration of 1 nM, where the GHK-Cu complex minimized CuSO4-induced cardiotoxicity effects at a GHK:Cu ratio of 1:10. On the other hand, copper and the combination with the GHK tripeptide did not significantly alter other cardiovascular parameters, including stroke volume, ejection fraction, and fractional shortening. Meanwhile, the heart rate and cardiac output were boosted after exposure with 1 nM of GHK peptides. In this study, recombinant GHK tripeptide expression was performed, along with purification and chemical property characterization, which revealed a potent cardiotoxicity protection function in vivo with zebrafish for the first time.
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Affiliation(s)
- Chung-Der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (C.-D.H.); (N.M.); (Y.-N.L.); (F.S.); (F.S.)
- Master Program of Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
| | - Hsin-Hui Wu
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan; (H.-H.W.); (Y.-C.L.); (Y.-H.W.)
| | - Nemi Malhotra
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (C.-D.H.); (N.M.); (Y.-N.L.); (F.S.); (F.S.)
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan; (H.-H.W.); (Y.-C.L.); (Y.-H.W.)
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li 320314, Taiwan
| | - Yen-Ching Liu
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan; (H.-H.W.); (Y.-C.L.); (Y.-H.W.)
| | - Ying-Hsuan Wu
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan; (H.-H.W.); (Y.-C.L.); (Y.-H.W.)
| | - Yu-Nung Lin
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (C.-D.H.); (N.M.); (Y.-N.L.); (F.S.); (F.S.)
| | - Ferry Saputra
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (C.-D.H.); (N.M.); (Y.-N.L.); (F.S.); (F.S.)
| | - Fiorency Santoso
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (C.-D.H.); (N.M.); (Y.-N.L.); (F.S.); (F.S.)
- Master Program of Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
| | - Kelvin H.-C. Chen
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan; (H.-H.W.); (Y.-C.L.); (Y.-H.W.)
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30
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Alshammari N, Platts JA. Theoretical study of copper binding to GHK peptide. Comput Biol Chem 2020; 86:107265. [PMID: 32371360 DOI: 10.1016/j.compbiolchem.2020.107265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/07/2020] [Accepted: 04/09/2020] [Indexed: 11/20/2022]
Abstract
We report ligand field molecular mechanics, density functional theory and semi-empirical studies on the binding of Cu(II) to GlyHisLys (GHK) peptide. Following exhaustive conformational searching using molecular mechanics, we show that relative energy and geometry of conformations are in good agreement between GFN2-xTB semi-empirical and B3LYP-D DFT levels. Conventional molecular dynamics simulation of Cu-GHK shows the stability of the copper-peptide binding over 100 ps trajectory. Four equatorial bonds in 3N1O coordination remain stable throughout simulation, while a fifth in apical position from C-terminal carboxylate is more fluxional. We also show that the automated conformer and rotamer search algorithm CREST is able to correctly predict the metal binding position from a starting point consisting of separated peptide, copper and water.
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Affiliation(s)
- Nadiyah Alshammari
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, UK
| | - James A Platts
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, UK.
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31
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AcGly-Phe-Asn(OH) and AcGly-Phe-Asn(NH 2) tripeptides selectively affect the proliferation rate of MDA-MB 231 and HuDe cells. Mol Biol Rep 2020; 47:4009-4014. [PMID: 32277441 DOI: 10.1007/s11033-020-05417-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 04/03/2020] [Indexed: 10/24/2022]
Abstract
There is increasing interest in the bioactivity of peptides carrying out antiproliferative, antihypertensive, antimicrobial, antioxidant, anticholesterolemic, opioid, and antidiabetic activities. The bioavailability of peptides depends on how readily they are digested by endopeptidases and their ability to pass through cell membranes, features that are determined by the peptide's chemical and physical structure. On the basis of structures present in peptides that have biological activity, particularly antiproliferative activity, the tripeptides AcGly-Phe-Asn(OH) and AcGly-Phe-Asn(NH2) have been designed and synthesized, then tested for their antiproliferative activity on human breast adenocarcinoma cells (MDA-MB 231) and human dermal fibroblasts (HuDe). The results show that the peptides significantly affect the proliferation of MDA-MB 231 and HuDe cells, with differentiated response between tumor and normal cells, and thus indicate that C-terminal amidation plays a role. Interestingly, the activity of both peptides in dermal fibroblasts follows the characteristic biphasic pattern of hormesis, a dose-response relationship.
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32
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Molavi AM, Sadeghi-Avalshahr A, Nokhasteh S, Naderi-Meshkin H. Enhanced biological properties of collagen/chitosan-coated poly(ε-caprolactone) scaffold by surface modification with GHK-Cu peptide and 58S bioglass. Prog Biomater 2020; 9:25-34. [PMID: 32248401 DOI: 10.1007/s40204-020-00129-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 03/16/2020] [Indexed: 01/15/2023] Open
Abstract
Bioactive glasses and peptides have shown promising results in improving wound healing and skin repair. The present study explores the effectiveness of surface modification of collagen/chitosan-coated electrospun poly(ε-caprolactone) scaffold with 58S bioactive glass or GHK-Cu peptide. To coat scaffolds with the bioactive glass, we prepared suspensions of silanized bioactive glass powder with three different concentrations and the scaffolds were pipetted with suspensions. Similarly, GHK-Cu-coated scaffolds were prepared by pipetting adequate amount of 1-mM solution of peptide (in milli-Q) on the surface of scaffolds. ATR-FTIR spectroscopy indicated the successful modification of collagen/chitosan-coated electrospun poly(ε-caprolactone) scaffold with bioactive glass and GHK-Cu. Microstructural investigations and in vitro studies such as cell adhesion, cell viability and antibacterial assay were performed. All samples demonstrated desirable cell attachment. Compared to poly(ε-caprolactone)/collagen/chitosan, the cell proliferation of GHK-Cu and bioactive glass-coated (concentrations of 0.01 and 0.1) scaffolds increased significantly at days 3 and 7, respectively. Poly(ε-caprolactone)/collagen/chitosan-uncoated scaffold and scaffolds coated with GHK-Cu and bioactive glass revealed desirable antibacterial properties but the antibacterial activity of GHK-Cu-coated sample turned out to be superior. These findings indicated that biological properties of collagen/chitosan-coated synthetic polymer could be improved by GHK-Cu and bioactive glass.
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Affiliation(s)
- Amir Mahdi Molavi
- Department of Materials Research, Iranian Academic Center for Education, Culture and Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran.,Department of Materials Science and Engineering, Faculty of Engineering and Technology, Tarbiat Modares University, Tehran, Iran
| | - Alireza Sadeghi-Avalshahr
- Department of Materials Research, Iranian Academic Center for Education, Culture and Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran. .,Department of Biomaterials, College of Biomedical Engineering, AmirKabir University of Technology, Tehran, Iran.
| | - Samira Nokhasteh
- Department of Materials Research, Iranian Academic Center for Education, Culture and Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran
| | - Hojjat Naderi-Meshkin
- Stem Cells and Regenerative Medicine Research Group, Iranian Academic Center for Education, Culture and Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran
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33
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Electrochemical studies of binary and ternary copper(II) complexes with α-factor analogues. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Protective effects of GHK-Cu in bleomycin-induced pulmonary fibrosis via anti-oxidative stress and anti-inflammation pathways. Life Sci 2019; 241:117139. [PMID: 31809714 DOI: 10.1016/j.lfs.2019.117139] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/16/2019] [Accepted: 11/30/2019] [Indexed: 11/21/2022]
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a serious lung problem with advancing and diffusive pulmonary fibrosis as the pathologic basis, and with oxidative stress and inflammation as the key pathogenesis. Glycyl-L-histidyl-l-lysine (GHK) is a tripeptide participating into wound healing and regeneration. GHK-Cu complexes improve GHK bioavailability. Thus, the current study aimed to explore the therapeutic role of GHK-Cu on bleomycin (BLM)-induced pulmonary fibrosis in a mouse model. METHODS BLM (3 mg/kg) was administered via tracheal instillation (TI) to induce a pulmonary fibrosis model in C57BL/6j mice 21 days after the challenge of BLM. GHK-Cu was injected intraperitoneally (i.p.) at different dosage of 0.2, 2 and 20 μg/g/day in 0.5 ml PBS on alternate day. The histological changes, inflammation response, the collagen deposition and epithelial-mesenchymal transition (EMT) was evaluated in the lung tissue. EMT was evaluated by ɑ-SMA and fibronectin expression in the lung tissue. NF-κB p65, Nrf2 and TGFβ1/Smad2/3 signalling pathways were detected by immunoblotting analysis. RESULTS GHK-Cu complex inhibited BLM-induced inflammatory and fibrotic pathological changes, alleviated the inflammatory response in the BALF by reducing the levels of the inflammatory cytokines, TNF-ɑ and IL-6 and the activity of MPO as well as reduced collagen deposition. In addition, the GHK-Cu treatment significantly reversed the MMP-9/TIMP-1 imbalance and partially prevented EMT via Nrf2, NF-κB and TGFβ1 pathways, as well as Smad2/3 phosphorylation. CONCLUSIONS GHK-Cu presented a protective effect in BLM-induced inflammation and oxidative stress by inhibiting EMT progression and suppressing TGFβ1/Smad2/3 signalling in pulmonary fibrosis.
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Sharma S, Anwar MF, Dinda A, Singhal M, Malik A. In Vitro and in Vivo Studies of pH-Sensitive GHK-Cu-Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer. ACS OMEGA 2019; 4:20118-20128. [PMID: 31815212 PMCID: PMC6893953 DOI: 10.1021/acsomega.9b00655] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 07/29/2019] [Indexed: 06/10/2023]
Abstract
The main aim of this study was to evaluate the in vitro and in vivo efficiency of the polyaspartic acid- and acrylic acid-based superabsorbent polymer. The synthesized polymer was first investigated to check the blood compatibility by protein adsorption and blood clotting tests. Further, the GHK-Cu peptide was incorporated within the polymer and release studies were performed to evaluate the drug-delivery efficiency of the superabsorbent polymer. The polymer with best peptide release results were further used for in vivo analysis for wound healing. The healing efficiency of polymer with and without peptide was analyzed using wound closure, biochemical assay, histopathological, and toxicity studies.
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Affiliation(s)
- Shilpa Sharma
- Department
of Chemistry, Dyal Singh College, University
of Delhi, New Delhi 110001, India
- Department of Pathology and Department of Plastic and Reconstructive Surgery, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Mohammad Faiyaz Anwar
- Department of Pathology and Department of Plastic and Reconstructive Surgery, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Amit Dinda
- Department of Pathology and Department of Plastic and Reconstructive Surgery, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Maneesh Singhal
- Department of Pathology and Department of Plastic and Reconstructive Surgery, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Amita Malik
- Department
of Chemistry, Dyal Singh College, University
of Delhi, New Delhi 110001, India
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The Use of Copper as an Antimicrobial Agent in Health Care, Including Obstetrics and Gynecology. Clin Microbiol Rev 2019; 32:32/4/e00125-18. [PMID: 31413046 DOI: 10.1128/cmr.00125-18] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Health care-associated infections (HAIs) are a global problem associated with significant morbidity and mortality. Controlling the spread of antimicrobial-resistant bacteria is a major public health challenge, and antimicrobial resistance has become one of the most important global problems in current times. The antimicrobial effect of copper has been known for centuries, and ongoing research is being conducted on the use of copper-coated hard and soft surfaces for reduction of microbial contamination and, subsequently, reduction of HAIs. This review provides an overview of the historical and current evidence of the antimicrobial and wound-healing properties of copper and explores its possible utility in obstetrics and gynecology.
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37
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Kim JH, Seok JK, Kim YM, Boo YC. Identification of small peptides and glycinamide that inhibit melanin synthesis using a positional scanning synthetic peptide combinatorial library. Br J Dermatol 2019; 181:128-137. [PMID: 30637717 DOI: 10.1111/bjd.17634] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Antimelanogenic peptides are potentially useful to treat hyperpigmentation, but many peptides have limited application because of high cost and/or low activity. OBJECTIVES To identify small and potent peptide inhibitors of cellular melanin synthesis that are useful for cosmetic and medical applications. METHODS A positional scanning synthetic tetrapeptide combinatorial library was used for screening of potentially active peptides. Antimelanogenic activities of the peptide pools and individual peptides were evaluated in B16-F10 melanoma cells and human epidermal melanocytes treated with alpha-melanocyte-stimulating hormone (α-MSH). RESULTS Predicted active tetrapeptide sequences were R-(F/L)-(C/W)-(G/R)-NH2 . Of the individual tetrapeptides tested, D3 (RFWG-NH2 ) and D5 (RLWG-NH2 ) exhibited high antimelanogenic activities. Tetrapeptide D9 (FRWG-NH2 ) with a sequence identical to that of a portion of α-MSH also showed antimelanogenic activity. Of the tripeptides tested, E5 (FWG-NH2 ), E6 (LWG-NH2 ) and E7 (RWG-NH2 ) were relatively more active. Dipeptide F1 (WG-NH2 ) and monopeptide G1 (G-NH2 , glycinamide) retained activity, but G2 (Ac-G-NH2 ) and G3 (glycine) did not. The antimelanogenic activities of peptides D3, E5, F1 and G1 were verified in α-MSH-stimulated human epidermal melanocytes. Commercially available G-NH2 ·HCl suppressed the phosphorylation levels of cAMP-responsive element binding protein, protein levels of microphthalmia-associated transcription factor and tyrosinase, l-tyrosine hydroxylase activity of tyrosinase, and the melanin levels in stimulated cells. CONCLUSIONS Small peptides, including glycinamide and tryptophanyl glycinamide, are potent antimelanogenic agents with potential value for the treatment of skin hyperpigmentation.
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Affiliation(s)
- J H Kim
- Department of Molecular Medicine, Cell and Matrix Research Institute, BK21 Plus KNU Biomedical Convergence Program, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - J K Seok
- Department of Molecular Medicine, Cell and Matrix Research Institute, BK21 Plus KNU Biomedical Convergence Program, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Y M Kim
- Ruby Crown Co., Ltd., Suite 505, Korea, Mediventure Center, 76 Dongnae-ro, Dong-gu, Daegu, 41061, Republic of Korea
| | - Y C Boo
- Department of Molecular Medicine, Cell and Matrix Research Institute, BK21 Plus KNU Biomedical Convergence Program, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu, 41944, Republic of Korea.,Ruby Crown Co., Ltd., Suite 505, Korea, Mediventure Center, 76 Dongnae-ro, Dong-gu, Daegu, 41061, Republic of Korea
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38
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Tuccitto N, Messina GML, Li-Destri G, Wietecka A, Marletta G. Chelating Surfaces for Oriented Human Serum Albumin Molecules. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:3354-3362. [PMID: 30741553 DOI: 10.1021/acs.langmuir.9b00068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Protein immobilization in a specific conformation or orientation at an interface is influenced by specific interactions with the outer layer of the surface. A strategy to build-up a complex construct which is able to orient protein molecules, based on metal-cation chelation processes, is reported. The proposed methodology implies the formation of a mercaptoundecanoic acid monolayer on a gold surface that is activated to attach covalently the tripeptide glycyl-l-histidyl-l-lysine (GHK) on the surface, whose sites are then employed to chelate copper ions, providing a selective platform for the orientation of human serum albumin (HSA) molecules. The protein adsorption process on GHK and GHK-Cu(II)-complex surfaces was monitored by the in situ quartz crystal microbalance with dissipation monitoring (QCM-D) and force spectroscopy technique. The changes in frequency and dissipation factor as well as the D- f plots from QCM-D measurements help to characterize the changes in the protein conformation and are confirmed by force curve spectroscopy results. An improved kinetic model, based on random sequential adsorption with variable protein footprints, has been developed to predict and simulate the experimentally found HSA average surface coverage onto the GHK and GHK-Cu(II)-complex surfaces.
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Affiliation(s)
- N Tuccitto
- Laboratory for Molecular Surfaces and Nanotechnology (LAMSUN), Department of Chemical Sciences , University of Catania and CSGI , Viale Andrea Doria 6 , 95125 Catania , Italy
| | - G M L Messina
- Laboratory for Molecular Surfaces and Nanotechnology (LAMSUN), Department of Chemical Sciences , University of Catania and CSGI , Viale Andrea Doria 6 , 95125 Catania , Italy
| | - G Li-Destri
- Laboratory for Molecular Surfaces and Nanotechnology (LAMSUN), Department of Chemical Sciences , University of Catania and CSGI , Viale Andrea Doria 6 , 95125 Catania , Italy
| | - A Wietecka
- Laboratory for Molecular Surfaces and Nanotechnology (LAMSUN), Department of Chemical Sciences , University of Catania and CSGI , Viale Andrea Doria 6 , 95125 Catania , Italy
- Faculty of Chemistry , Adam Mickiewicz University in Poznan , Umultowska 89b , PL-61-614 Poznan , Poland
| | - G Marletta
- Laboratory for Molecular Surfaces and Nanotechnology (LAMSUN), Department of Chemical Sciences , University of Catania and CSGI , Viale Andrea Doria 6 , 95125 Catania , Italy
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39
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Zhang H, Wang Y, He Z. Glycine-Histidine-Lysine (GHK) Alleviates Neuronal Apoptosis Due to Intracerebral Hemorrhage via the miR-339-5p/VEGFA Pathway. Front Neurosci 2018; 12:644. [PMID: 30294253 PMCID: PMC6158323 DOI: 10.3389/fnins.2018.00644] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 08/29/2018] [Indexed: 01/17/2023] Open
Abstract
Glycine-histidine-lysine (GHK) is a human tripeptide that enhances wound healing, exerts neuroprotective effects against neurodegenerative disease, and improves tissue regeneration. This study examined whether GHK can alleviate injury due to intracerebral hemorrhage (ICH). Briefly, adult Wistar rats in GHK pretreatment groups were injected with GHK (1 or 10 mg/kg, i.p.) every 24 h for 3 days. Water content and intact neurons were detected in the rats 3 days after ICH, and the neurological deficit scores were examined in the rats at 4, 24, 72, and 168 h after ICH. Apoptosis was evaluated via caspase-3 immunohistochemistry, Nissl staining, and TUNEL assay. We also examined the effect of GHK on the expression of related proteins in SH-SY5Y cells via Western blotting. The expression of miR-339-5p was examined via real-time polymerase chain reaction analyses. GHK improved neurological deficits, reduced water content in the brain and inhibited neuronal apoptosis in ICH rats. It also prevented the apoptosis of SH-SY5Y cells with hemin treatment. Furthermore, GHK downregulated miR-339-5p expression, and overexpression of miR-339-5p partially reversed the anti-apoptotic effects of GHK in SH-SY5Y cells. Our findings suggest that the p38 MAPK pathway is involved in the GHK-induced downregulation of miR-339-5p, and that the miR-339-5p/VEGFA axis plays a role in preventing neuronal apoptosis following ICH injury. These findings indicate that GHK may represent a novel therapeutic strategy for ICH.
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Affiliation(s)
- Heyu Zhang
- Department of Neurology, The First Affiliated Hospital of China Medical University, Liaoning, China
| | - Yanzhe Wang
- Department of Neurology, The First Affiliated Hospital of China Medical University, Liaoning, China
| | - Zhiyi He
- Department of Neurology, The First Affiliated Hospital of China Medical University, Liaoning, China
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40
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Sakuma S, Ishimura M, Yuba Y, Itoh Y, Fujimoto Y. The peptide glycyl-ʟ-histidyl-ʟ-lysine is an endogenous antioxidant in living organisms, possibly by diminishing hydroxyl and peroxyl radicals. INTERNATIONAL JOURNAL OF PHYSIOLOGY, PATHOPHYSIOLOGY AND PHARMACOLOGY 2018; 10:132-138. [PMID: 30042814 PMCID: PMC6055086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 06/16/2018] [Indexed: 06/08/2023]
Abstract
Despite evidence that tripeptide glycyl-ʟ-histidyl-ʟ-lysine (GHK) is an endogenous antioxidant, its mechanism and importance are not fully understood. In the present study, the ability of GHK to reduce levels of reactive oxygen species (ROS) in Caco-2 cells was evaluated by flow cytometry with the oxidation-sensitive fluorescent dye 2',7'-dichlorodihydrofluorescein diacetate. Further, types of ROS diminished by GHK were assessed by utilizing an electron spin resonance (ESR) spin-trapping technique. GHK reduced the tert-butyl hydroperoxide-induced increase in ROS levels in Caco-2 cells at concentrations of 10 µM or less. Experiments utilizing an ESR spin-trapping technique revealed that, among hydroxyl (·OH), superoxide (O2-·), and peroxyl (ROO·) radicals generated by respective chemical reaction systems, GHK diminished signals of both ·OH and ROO·, but not O2-·. Additionally, the GHK effect on the signal of ·OH was much stronger than those of other well-known antioxidative, endogenous peptides, carnosine and reduced glutathione. These results suggest that GHK can function as an endogenous antioxidant in living organisms, possibly by diminishing ·OH and ROO·.
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Affiliation(s)
- Satoru Sakuma
- Department of Physiological Chemistry, Osaka University of Pharmaceutical Sciences 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Mai Ishimura
- Department of Physiological Chemistry, Osaka University of Pharmaceutical Sciences 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Yukinori Yuba
- Department of Physiological Chemistry, Osaka University of Pharmaceutical Sciences 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Yuhki Itoh
- Department of Physiological Chemistry, Osaka University of Pharmaceutical Sciences 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Yohko Fujimoto
- Department of Physiological Chemistry, Osaka University of Pharmaceutical Sciences 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
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41
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Park JR, Lee H, Kim SI, Yang SR. The tri-peptide GHK-Cu complex ameliorates lipopolysaccharide-induced acute lung injury in mice. Oncotarget 2018; 7:58405-58417. [PMID: 27517151 PMCID: PMC5295439 DOI: 10.18632/oncotarget.11168] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 07/28/2016] [Indexed: 12/22/2022] Open
Abstract
The tripeptide-copper complex glycyl-l-histidyl-l-lysine-Cu (II) (GHK-Cu) is involved in wound healing and tissue remodeling. Although GHK-Cu exhibits anti-aging and tissue renewing properties, its roles in acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) are still unknown. Therefore, we examined the effects of GHK-Cu in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages in vitro and ALI in mice in vivo. GHK-Cu treatment reduced reactive oxygen species (ROS) production, increased superoxide dismutase (SOD) activity while decreased TNF-α and IL-6 production through the suppression of NF-κB p65 and p38 MAPK signaling in vitro and in vivo model of ALI. Moreover, GHK-Cu attenuated LPS-induced lung histological alterations, suppressed the infiltration of inflammatory cells into the lung parenchyma in LPS-induced ALI in mice. Taken together, these findings demonstrate that GHK-Cu possesses a protective effect in LPS-induced ALI by inhibiting excessive inflammatory responses; accordingly it may represent a novel therapeutic approach for ALI/ARDS.
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Affiliation(s)
- Jeong-Ran Park
- Department of Thoracic and Cardiovascular Surgery, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea.,Institute of Medical Science, Kangwon National University, Chuncheon, Republic of Korea
| | - Hanbyeol Lee
- Department of Thoracic and Cardiovascular Surgery, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea
| | - Seok-In Kim
- Bioceltran Co., Ltd., Chuncheon, Republic of Korea
| | - Se-Ran Yang
- Department of Thoracic and Cardiovascular Surgery, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea
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42
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Narayanan IG, Natarajan SK. Peptides derived from histidine and methionine-rich regions of copper transporter 1 exhibit anti-angiogenic property by chelating extracellular Cu. Chem Biol Drug Des 2017; 91:797-804. [DOI: 10.1111/cbdd.13145] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 10/08/2017] [Accepted: 11/01/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Iyer Gomathy Narayanan
- Department of Biochemistry and Cell Biology; Vision Research Foundation; Chennai India
- Birla Institute of Technology & Science; Pilani India
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43
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Costa JAV, Barbieri Moro GM, de Moraes Vaz Batista Filgueira D, Corsini E, Bertolin TE. The Potential of Spirulinaand Its Bioactive Metabolites as Ingested Agents for Skin Care. Ind Biotechnol (New Rochelle N Y) 2017. [DOI: 10.1089/ind.2017.0010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Jorge Alberto Vieira Costa
- Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, RS, Brazil
| | - Gisele Medianeira Barbieri Moro
- Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, RS, Brazil
| | | | - Emanuela Corsini
- Laboratory of Toxicology, Department of Pharmacological Sciences and Biomolecular, Università degli Studi di Milano, Milan, Italy
| | - Telma Elita Bertolin
- Fermentation Laboratory, Post Graduate in Food Science and Technology, University of Passo Fundo, Passo Fundo, RS, Brazil
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44
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Wang X, Liu B, Xu Q, Sun H, Shi M, Wang D, Guo M, Yu J, Zhao C, Feng B. GHK-Cu-liposomes accelerate scald wound healing in mice by promoting cell proliferation and angiogenesis. Wound Repair Regen 2017; 25:270-278. [DOI: 10.1111/wrr.12520] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 02/02/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Xinying Wang
- Department of Biotechnology; Dalian Medical University; Dalian China
| | - Baoquan Liu
- Key Laboratory of Biotechnology and Bioresources Utilization; (Dalian Minzu University), Ministry of Education; Dalian China
| | - Qiang Xu
- Faculty of Chemical, Environmental and Biological Science and Technology; Dalian University of Technology; Dalian China
| | - Haiyang Sun
- Department of Biotechnology; Dalian Medical University; Dalian China
| | - Meijun Shi
- Department of Biotechnology; Dalian Medical University; Dalian China
| | - Dan Wang
- Department of Biotechnology; Dalian Medical University; Dalian China
| | - Meihua Guo
- Department of Biotechnology; Dalian Medical University; Dalian China
| | - Jiawen Yu
- Department of Biotechnology; Dalian Medical University; Dalian China
| | - Chunhui Zhao
- College of Life Sciences; Liaoning Normal University; Dalian China
| | - Bin Feng
- Department of Biotechnology; Dalian Medical University; Dalian China
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45
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Similarities and differences of copper and zinc cations binding to biologically relevant peptides studied by vibrational spectroscopies. J Biol Inorg Chem 2017; 22:581-589. [DOI: 10.1007/s00775-017-1449-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 03/03/2017] [Indexed: 12/26/2022]
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46
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Pickart L, Vasquez-Soltero JM, Margolina A. The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline. Brain Sci 2017; 7:E20. [PMID: 28212278 PMCID: PMC5332963 DOI: 10.3390/brainsci7020020] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 02/07/2017] [Accepted: 02/08/2017] [Indexed: 12/25/2022] Open
Abstract
Neurodegeneration, the progressive death of neurons, loss of brain function, and cognitive decline is an increasing problem for senior populations. Its causes are poorly understood and therapies are largely ineffective. Neurons, with high energy and oxygen requirements, are especially vulnerable to detrimental factors, including age-related dysregulation of biochemical pathways caused by altered expression of multiple genes. GHK (glycyl-l-histidyl-l-lysine) is a human copper-binding peptide with biological actions that appear to counter aging-associated diseases and conditions. GHK, which declines with age, has health promoting effects on many tissues such as chondrocytes, liver cells and human fibroblasts, improves wound healing and tissue regeneration (skin, hair follicles, stomach and intestinal linings, boney tissue), increases collagen, decorin, angiogenesis, and nerve outgrowth, possesses anti-oxidant, anti-inflammatory, anti-pain and anti-anxiety effects, increases cellular stemness and the secretion of trophic factors by mesenchymal stem cells. Studies using the Broad Institute Connectivity Map show that GHK peptide modulates expression of multiple genes, resetting pathological gene expression patterns back to health. GHK has been recommended as a treatment for metastatic cancer, Chronic Obstructive Lung Disease, inflammation, acute lung injury, activating stem cells, pain, and anxiety. Here, we present GHK's effects on gene expression relevant to the nervous system health and function.
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Affiliation(s)
- Loren Pickart
- Research & Development Department, Skin Biology, 4122 Factoria Boulevard SE Suite No. 200 Bellevue, WA 98006, USA.
| | | | - Anna Margolina
- Research & Development Department, Skin Biology, 4122 Factoria Boulevard SE Suite No. 200 Bellevue, WA 98006, USA.
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47
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In vitro studies of dermally absorbed Cu(II) tripeptide complexes as potential anti-inflammatory drugs. Polyhedron 2017. [DOI: 10.1016/j.poly.2016.10.048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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48
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Aldag C, Nogueira Teixeira D, Leventhal PS. Skin rejuvenation using cosmetic products containing growth factors, cytokines, and matrikines: a review of the literature. Clin Cosmet Investig Dermatol 2016; 9:411-419. [PMID: 27877059 PMCID: PMC5108505 DOI: 10.2147/ccid.s116158] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Skin aging is primarily due to alterations in the dermal extracellular matrix, especially a decrease in collagen I content, fragmentation of collagen fibrils, and accumulation of amorphous elastin material, also known as elastosis. Growth factors and cytokines are included in several cosmetic products intended for skin rejuvenation because of their ability to promote collagen synthesis. Matrikines and matrikine-like peptides offer the advantage of growth factor-like activities but better skin penetration due to their much smaller molecular size. In this review, we summarize the commercially available products containing growth factors, cytokines, and matrikines for which there is evidence that they promote skin rejuvenation.
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49
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Hammouda AN, Jackson GE, Bonomo RP, Elmagbari FM. Formation and spectral properties of metal ion complexes of tripeptides. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.07.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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50
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Rajasekhar K, Madhu C, Govindaraju T. Natural Tripeptide-Based Inhibitor of Multifaceted Amyloid β Toxicity. ACS Chem Neurosci 2016; 7:1300-10. [PMID: 27355515 DOI: 10.1021/acschemneuro.6b00175] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Accumulation of amyloid beta (Aβ) peptide and its aggregates in the human brain is considered as one of the hallmarks of Alzheimer's disease (AD). The polymorphic oligomers and fully grown fibrillar aggregates of Aβ exhibit different levels of neuronal toxicity. Moreover, aggregation of Aβ in the presence of redox-active metal ions like Cu(2+) is responsible for the additional trait of cellular toxicity induced by the generation of reactive oxygen species (ROS). Herein, a multifunctional peptidomimetic inhibitor (P6) has been presented, based on a naturally occurring metal chelating tripeptide (GHK) and the inhibitor of Aβ aggregation. It was shown by employing various biophysical studies that P6 interact with Aβ and prevent the formation of toxic Aβ forms like oligomeric species and fibrillar aggregates. Further, P6 successfully sequestered Cu(2+) from the Aβ-Cu(2+) complex and maintained it in a redox-dormant state to prevent the generation of ROS. P6 inhibited membrane disruption by Aβ oligomers and efficiently prevented DNA damage caused by the Aβ-Cu(2+) complex. PC12 cells were rescued from multifaceted Aβ toxicity when treated with P6, and the amount of ROS generated in cells was reduced. These attributes make P6 a potential therapeutic candidate to ameliorate the multifaceted Aβ toxicity in AD.
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Affiliation(s)
- K. Rajasekhar
- Bioorganic Chemistry Laboratory,
New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur
P. O., Bengaluru 560064, Karnataka, India
| | - Chilakapati Madhu
- Bioorganic Chemistry Laboratory,
New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur
P. O., Bengaluru 560064, Karnataka, India
| | - T. Govindaraju
- Bioorganic Chemistry Laboratory,
New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur
P. O., Bengaluru 560064, Karnataka, India
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