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Oscherwitz M, Godinich BM, Singh N, Rohr BR. Beyond the shell: malacology in medical dermatology. Arch Dermatol Res 2024; 316:576. [PMID: 39180552 PMCID: PMC11344720 DOI: 10.1007/s00403-024-03343-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2024] [Revised: 08/01/2024] [Accepted: 08/16/2024] [Indexed: 08/26/2024]
Affiliation(s)
- Max Oscherwitz
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, NC, 27157-1071, USA.
| | - Brandon M Godinich
- Texas Tech Health Science Center El Paso Paul L. Foster School of Medicine, El Paso, TX, USA
| | - Nupur Singh
- University of Tennessee Health Science Center, Memphis, TN, USA
| | - Bethany R Rohr
- Department of Dermatology, University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine, Cleveland, OH, USA
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Kandhasamy S, Wu B, Wang J, Zhang X, Gao H, Yang DP, Zeng Y. Tracheal regeneration and mesenchymal stem cell augmenting potential of natural polyphenol-loaded gelatinmethacryloyl bioadhesive. Int J Biol Macromol 2024; 271:132506. [PMID: 38772466 DOI: 10.1016/j.ijbiomac.2024.132506] [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: 01/18/2024] [Revised: 05/10/2024] [Accepted: 05/17/2024] [Indexed: 05/23/2024]
Abstract
Hydrogels incorporating natural biopolymer and adhesive substances have extensively been used to develop bioactive drugs and to design cells encapsulating sturdy structure for biomedical applications. However, the conjugation of the adhesive in most hydrogels is insufficient to maintain long-lasting biocompatibility inadequate to accelerate internal organ tissue repair in the essential native cellular microenvironment. The current work elaborates the synthesis of charged choline-catechol ionic liquid (BIL) adhesive and a hydrogel with an electronegative atom rich polyphenol (PU)-laden gelatinmethacryloyl (GelMA) to improve the structural bioactivities for in vivo tracheal repair by inducing swift crosslinking along with durable mechanical and tissue adhesive properties. It was observed that bioactive BIL and PU exhibited potent antioxidant (IC 50 % of 7.91 μg/mL and 24.55 μg/mL) and antibacterial activity against E. coli, P. aeruginosa and S. aureus. The novel integration of photocurable GelMA-BIL-PU revealed outstanding mechanical strength, biodegradability and sustained drug release. The in vitro study showed exceptional cell migration and proliferation in HBECs, while in vivo investigation of the GelMA-BIL-PU hydrogel on a rat's tracheal model revealed remarkable tracheal reconstruction, concurrently reducing tissue inflammation. Furthermore, the optimized GelMA-BIL-PU injectable adhesive bioink blend demonstrated superior MSCs migration and proliferation, which could be a strong candidate for developing stem cell-rich biomaterials to address multiple organ defects.
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Affiliation(s)
- Subramani Kandhasamy
- Department of Pulmonary and Critical Care Medicine, Fujian Provincial Key Laboratory of Lung Stem Cells, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province 362000, China; Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong Province, China
| | - Baofang Wu
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
| | - Jiayin Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
| | - Xiaojing Zhang
- Department of Pulmonary and Critical Care Medicine, Fujian Provincial Key Laboratory of Lung Stem Cells, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province 362000, China
| | - Hongzhi Gao
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
| | - Da-Peng Yang
- College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, Fujian 362000, China..
| | - Yiming Zeng
- Department of Pulmonary and Critical Care Medicine, Fujian Provincial Key Laboratory of Lung Stem Cells, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province 362000, China; Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong Province, China.
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Hu X, Yang Y, Chang C, Li J, Su Y, Gu L. The targeted development of collagen-active peptides based on composite enzyme hydrolysis: a study on the structure-activity relationship. Food Funct 2024; 15:401-410. [PMID: 38099483 DOI: 10.1039/d3fo04455f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Fish collagen, derived from sustainable sources, offers a valuable substrate for generating peptides with diverse biofunctionalities. In this study, alkaline, papain, and ginger protease were used to enzymatically hydrolyze fish skin collagen. The peptide molecular weight distribution and sequence were measured using HPLC and ICP-MS-MS, with papain/alkaline protease (AP) and papain/alkaline/ginger protease (APG) hydrolyzed samples compared. As the results showed, the incorporation of ginger protease was useful for increasing the degree of hydrolysis, with the content of <400 Da peptides increasing from 49.82% to 58.56%. The identified peptide sequence in the APG sample had more proline at the C-terminal. The peptides were separated into two components (different in molecular weight) using gel column chromatography. The molecular weight distribution, amino acid composition, ACE inhibitory activity, and fibroblast proliferation activity of the collected components were measured. In comparison, the contents of proline and hydroxyproline in the larger peptides decreased obviously after combined hydrolysis by ginger protease, reflecting the formation of a peptide sequence of smaller molecular weight containing glycine and hydroxyproline. The combined hydrolysis of ginger protease was beneficial for the improvement of the ACE inhibitory activity of the sample. However, the fibroblast proliferation activity of AP was higher than that of APG, indicating that further hydrolysis by ginger protease may destroy the hydroxyproline at the end of the peptide sequence. This study proposed a creative directional hydrolysis method and provided practical guidance for the production of collagen peptides with enhanced functional activity.
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Affiliation(s)
- Xinnuo Hu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yanjun Yang
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Cuihua Chang
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Junhua Li
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yujie Su
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Luping Gu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
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