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Yuan C, Liao J, Zheng L, Ding L, Teng X, Lin X, Wang L. Current knowledge of leptin in wound healing: A collaborative review. Front Pharmacol 2022; 13:968142. [PMID: 36172174 PMCID: PMC9512445 DOI: 10.3389/fphar.2022.968142] [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: 06/13/2022] [Accepted: 08/11/2022] [Indexed: 12/03/2022] Open
Abstract
Efficacious wound healing is still a major concern for global healthcare due to the unsatisfactory outcomes under the current treatments. Leptin, an adipocyte-derived hormone, mainly acts in the hypothalamus and plays crucial roles in various biological processes. Recently, an increasing number of researches have shown that leptin played an important role in the wound healing process. In this review, we presented a first attempt to capture the current knowledge on the association between leptin and wound healing. After a comprehensive review, the molecular mechanisms underlying leptin in wound healing were speculated to be correlated to the regulation of inflammation of the macrophage and lymphocytes, angiogenesis, re-epithelialization, proliferation, and differentiation of fibroblasts. The affected genes and the signal pathways were multiple. For example, leptin was reported to ameliorate wound healing by its anti-inflammatory action, which might be correlated to the activation STAT1 and STAT3 via p38 MAPK or JAK2. However, the understanding of the specific role in each process (e.g., inflammatory, proliferative, and maturation phase) of wound repair is not entirely clear, and further studies are still warranted in both macrostructural and microscale factors. Therefore, identifying and validating the biological mechanisms of leptin in wound healing is of great significance to develop potential therapeutic targets for the treatment of wound healing in clinical practice.
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Affiliation(s)
- Chi Yuan
- Department of Orthopedics, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Jian Liao
- Department of Nephrology, Jiaxing Hospital of Traditional Chinese Medicine, Jiaxing, Zhejiang, China
| | - Liying Zheng
- Postgraduate Department, First Affiliated Hospital of Gannan Medical College, Ganzhou, China
| | - Lingzhi Ding
- Department of Orthopedics, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Xiao Teng
- Department of Orthopedics, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Xuesong Lin
- Department of Burn Surgery, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Le Wang
- Department of Burn Surgery, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
- *Correspondence: Le Wang,
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Fu R, Han F, Liu L, Yu F, Gui Z, Wang X, Li B, Fang B, Xia L. The Effects of Leptin on the Proliferation and Differentiation of Primary Chondrocytes in Vitro and Cartilage Regeneration in Vivo. ACS Biomater Sci Eng 2019; 5:1907-1919. [PMID: 33405564 DOI: 10.1021/acsbiomaterials.8b01168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Runqing Fu
- Department of Orthodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Fengxuan Han
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Lu Liu
- Department of Orthodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Fei Yu
- Department of Orthodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Zhipeng Gui
- Department of Oral Surgery, Shanghai Ninth People’s Hospital Affiliated with Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Xiaoting Wang
- Department of Orthodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Bin Li
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Bing Fang
- Department of Orthodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Lunguo Xia
- Department of Orthodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
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Yamane T, Shimura M, Konno R, Iwatsuki K, Oishi Y. Wound fluid of rats fed protein-free diets delays wound healing through the suppression of the IGF-1/ERK(1/2) signaling pathway. Mol Cell Biochem 2018; 452:177-185. [DOI: 10.1007/s11010-018-3423-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 08/10/2018] [Indexed: 10/28/2022]
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4
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Piaggesi A, Låuchli S, Bassetto F, Biedermann T, Marques A, Najafi B, Palla I, Scarpa C, Seimetz D, Triulzi I, Turchetti G, Vaggelas A. Advanced therapies in wound management: cell and tissue based therapies, physical and bio-physical therapies smart and IT based technologies. J Wound Care 2018; 27:S1-S137. [DOI: 10.12968/jowc.2018.27.sup6a.s1] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Alberto Piaggesi
- Prof, Director, EWMA Scientific Recorder (Editor), Diabetic Foot Section of the Pisa University Hospital, Department of Endocrinology and Metabolism, University of Pisa, Lungarno Pacinotti 43, 56126 Pisa, Italy
| | - Severin Låuchli
- Chief of Dermatosurgery and Woundcare, EWMA Immediate Past President (Co-editor), Department of Dermatology, University Hospital, Zurich, Råmistrasse 100, 8091 Zärich, Schwitzerland
| | - Franco Bassetto
- Prof, Head of Department, Clinic of Plastic and Reconstructive Surgery, University of Padova, Via Giustiniani, 35100 Padova
| | - Thomas Biedermann
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, August Forel-Strasse 7, 8008 Zürich, Switzerland
| | - Alexandra Marques
- University of Minho, 3B's Research Group in Biomaterials, Biodegradables and Biomimetics, Avepark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal
| | - Bijan Najafi
- Professor of Surgery, Director of Clinical Research, Division of Vascular Surgery and Endovascular Therapy, Director of Interdisciplinary Consortium on Advanced Motion Performance (iCAMP), Michael E. DeBakey Department of Surgery, Baylor College of Medicine, One Baylor Plaza, MS: BCM390, Houston, TX 77030-3411, US
| | - Ilaria Palla
- Institute of Management, Sant'Anna School of Advanced Studies, Piazza Martiri della Libertà, 33, 56127 Pisa, Italy
| | - Carlotta Scarpa
- Clinic of Plastic and Reconstructive Surgery, University of Padova, Via Giustiniani, 35100 Padova
| | - Diane Seimetz
- Founding Partner, Biopharma Excellence, c/o Munich Technology Center, Agnes-Pockels-Bogen 1, 80992 Munich, Germany
| | - Isotta Triulzi
- Institute of Management, Sant'Anna School of Advanced Studies, Piazza Martiri della Libertà, 33, 56127 Pisa, Italy
| | - Giuseppe Turchetti
- Fulbright Scholar, Institute of Management, Sant'Anna School of Advanced Studies, Piazza Martiri della Libertà, 33, 56127 Pisa, Italy
| | - Annegret Vaggelas
- Consultant, Biopharma Excellence, c/o Munich Technology Center, Agnes-Pockels-Bogen 1, 80992 Munich, Germany
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Fontenot KR, Edwards JV, Haldane D, Pircher N, Liebner F, Condon BD, Qureshi H, Yager D. Designing cellulosic and nanocellulosic sensors for interface with a protease sequestrant wound-dressing prototype: Implications of material selection for dressing and protease sensor design. J Biomater Appl 2017; 32:622-637. [DOI: 10.1177/0885328217735049] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Interfacing nanocellulosic-based biosensors with chronic wound dressings for protease point of care diagnostics combines functional material properties of high specific surface area, appropriate surface charge, and hydrophilicity with biocompatibility to the wound environment. Combining a protease sensor with a dressing is consistent with the concept of an intelligent dressing, which has been a goal of wound-dressing design for more than a quarter century. We present here biosensors with a nanocellulosic transducer surface (nanocrystals, nanocellulose composites, and nanocellulosic aerogels) immobilized with a fluorescent elastase tripeptide or tetrapeptide biomolecule, which has selectivity and affinity for human neutrophil elastase present in chronic wound fluid. The specific surface area of the materials correlates with a greater loading of the elastase peptide substrate. Nitrogen adsorption and mercury intrusion studies revealed gas permeable systems with different porosities (28–98%) and pore sizes (2–50 nm, 210 µm) respectively, which influence water vapor transmission rates. A correlation between zeta potential values and the degree of protease sequestration imply that the greater the negative surface charge of the nanomaterials, the greater the sequestration of positively charged neutrophil proteases. The biosensors gave detection sensitivities of 0.015–0.13 units/ml, which are at detectable human neutrophil elastase levels present in chronic wound fluid. Thus, the physical and interactive biochemical properties of the nano-based biosensors are suitable for interfacing with protease sequestrant prototype wound dressings. A discussion of the relevance of protease sensors and cellulose nanomaterials to current chronic wound dressing design and technology is included.
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Affiliation(s)
| | | | | | - Nicole Pircher
- University of Natural Resources and Life Sciences, Vienna, Austria
| | - Falk Liebner
- University of Natural Resources and Life Sciences, Vienna, Austria
| | - Brian D Condon
- Southern Regional Research Center, USDA, New Orleans, LA, USA
| | - Huzaifah Qureshi
- Plastic and Reconstructive Surgery, Virginia Commonwealth University, Richmond, VA, USA
| | - Dorne Yager
- Plastic and Reconstructive Surgery, Virginia Commonwealth University, Richmond, VA, USA
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Edwards JV, Fontenot KR, Prevost NT, Pircher N, Liebner F, Condon BD. Preparation, Characterization and Activity of a Peptide-Cellulosic Aerogel Protease Sensor from Cotton. SENSORS (BASEL, SWITZERLAND) 2016; 16:E1789. [PMID: 27792201 PMCID: PMC5134448 DOI: 10.3390/s16111789] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 09/19/2016] [Accepted: 10/12/2016] [Indexed: 12/22/2022]
Abstract
Nanocellulosic aerogels (NA) provide a lightweight biocompatible material with structural properties, like interconnected high porosity and specific surface area, suitable for biosensor design. We report here the preparation, characterization and activity of peptide-nanocellulose aerogels (PepNA) made from unprocessed cotton and designed with protease detection activity. Low-density cellulosic aerogels were prepared from greige cotton by employing calcium thiocyanate octahydrate/lithium chloride as a direct cellulose dissolving medium. Subsequent casting, coagulation, solvent exchange and supercritical carbon dioxide drying afforded homogeneous cellulose II aerogels of fibrous morphology. The cotton-based aerogel had a porosity of 99% largely dominated by mesopores (2-50 nm) and an internal surface of 163 m²·g-1. A fluorescent tripeptide-substrate (succinyl-alanine-proline-alanine-4-amino-7-methyl-coumarin) was tethered to NA by (1) esterification of cellulose C6 surface hydroxyl groups with glycidyl-fluorenylmethyloxycarbonyl (FMOC), (2) deprotection and (3) coupling of the immobilized glycine with the tripeptide. Characterization of the NA and PepNA included techniques, such as elemental analysis, mass spectral analysis, attenuated total reflectance infrared imaging, nitrogen adsorption, scanning electron microscopy and bioactivity studies. The degree of substitution of the peptide analog attached to the anhydroglucose units of PepNA was 0.015. The findings from mass spectral analysis and attenuated total reflectance infrared imaging indicated that the peptide substrate was immobilized on to the surface of the NA. Nitrogen adsorption revealed a high specific surface area and a highly porous system, which supports the open porous structure observed from scanning electron microscopy images. Bioactivity studies of PepNA revealed a detection sensitivity of 0.13 units/milliliter for human neutrophil elastase, a diagnostic biomarker for inflammatory diseases. The physical properties of the aerogel are suitable for interfacing with an intelligent protease sequestrant wound dressing.
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Affiliation(s)
- J Vincent Edwards
- Southern Regional Research Center, USDA, New Orleans, LA 70124, USA.
| | | | | | - Nicole Pircher
- Division of Chemistry of Renewable Resources, University of Natural Resources and Life Sciences Vienna, Konrad-Lorenz-Straße 24, Tulln an der Donau A-3430, Austria.
| | - Falk Liebner
- Division of Chemistry of Renewable Resources, University of Natural Resources and Life Sciences Vienna, Konrad-Lorenz-Straße 24, Tulln an der Donau A-3430, Austria.
| | - Brian D Condon
- Southern Regional Research Center, USDA, New Orleans, LA 70124, USA.
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