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Noble A, Qubrosi R, Cariba S, Favaro K, Payne SL. Neural dependency in wound healing and regeneration. Dev Dyn 2024; 253:181-203. [PMID: 37638700 DOI: 10.1002/dvdy.650] [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: 02/13/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/29/2023] Open
Abstract
In response to injury, humans and many other mammals form a fibrous scar that lacks the structure and function of the original tissue, whereas other vertebrate species can spontaneously regenerate damaged tissues and structures. Peripheral nerves have been identified as essential mediators of wound healing and regeneration in both mammalian and nonmammalian systems, interacting with the milieu of cells and biochemical signals present in the post-injury microenvironment. This review examines the diverse functions of peripheral nerves in tissue repair and regeneration, specifically during the processes of wound healing, blastema formation, and organ repair. We compare available evidence in mammalian and nonmammalian models, identifying critical nerve-mediated mechanisms for regeneration and providing future perspectives toward integrating these mechanisms into a therapeutic framework to promote regeneration.
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Affiliation(s)
- Alexandra Noble
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Rozana Qubrosi
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Solsa Cariba
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Kayla Favaro
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Samantha L Payne
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
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2
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Du G, Liu C, Li X, Chen W, He R, Wang X, Feng P, Lan W. Induction of matrix metalloproteinase-1 by tumor necrosis factor-α is mediated by interleukin-6 in cultured fibroblasts of keratoconus. Exp Biol Med (Maywood) 2016; 241:2033-2041. [PMID: 27207902 DOI: 10.1177/1535370216650940] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Inflammatory molecules and matrix metalloproteinase (MMPs) have been found over-expressed in the tear film of patients with keratoconus. However, the mechanistic link between inflammatory molecules and MMPs in the pathogenesis of keratoconus remains still elusive. Therefore, we investigated the effect of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) on MMP-1 expression and used IL-6 antibody (IL-6 Ab) to examine the role of IL-6 on TNF-α mediated regulation of MMP-1 in fibroblasts of normal cornea and keratoconus. Real-time polymerase chain reaction, Enzyme-linked immunosorbent assay, and Western blot data demonstrated that MMP-1 and IL-6 were expressed in fibroblasts of normal cornea and keratoconus. Levels of MMP-1 and IL-6 were significantly higher in keratoconus than normal cornea. TNF-α treatment led to a significant increase in IL-6 levels. IL-6 treatment induced MMP-1 synthesis in normal cornea and keratoconus. TNF-α increased MMP-1 expression in a dose- and time-dependent manner and this response was completely inhibited by the IL-6 Ab. In conclusion, these results indicate that fibroblasts of keratoconus shows increased levels of IL-6 and MMP-1 gene and protein expression and IL-6 mediates the TNF-α-induced MMP-1 expression.
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Affiliation(s)
- Genlai Du
- 1 Shanxi Key Lab of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, China
| | - Chengxing Liu
- 2 Department of Biology, Taiyuan Normal University, Taiyuan 030031, China
| | - Xiaona Li
- 1 Shanxi Key Lab of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, China
| | - Weiyi Chen
- 1 Shanxi Key Lab of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, China
| | - Rui He
- 3 Department of Excimer Laser, Shanxi Eye Hospital, Taiyuan 030002, China
| | - Xiaojun Wang
- 1 Shanxi Key Lab of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, China
| | - Pengfei Feng
- 1 Shanxi Key Lab of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, China
| | - Weiwei Lan
- 1 Shanxi Key Lab of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, China
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Couture C, Zaniolo K, Carrier P, Lake J, Patenaude J, Germain L, Guérin SL. The tissue-engineered human cornea as a model to study expression of matrix metalloproteinases during corneal wound healing. Biomaterials 2015; 78:86-101. [PMID: 26686051 DOI: 10.1016/j.biomaterials.2015.11.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 11/04/2015] [Accepted: 11/05/2015] [Indexed: 12/17/2022]
Abstract
Corneal injuries remain a major cause of consultation in the ophthalmology clinics worldwide. Repair of corneal wounds is a complex mechanism that involves cell death, migration, proliferation, differentiation, and extracellular matrix (ECM) remodeling. In the present study, we used a tissue-engineered, two-layers (epithelium and stroma) human cornea as a biomaterial to study both the cellular and molecular mechanisms of wound healing. Gene profiling on microarrays revealed important alterations in the pattern of genes expressed by tissue-engineered corneas in response to wound healing. Expression of many MMPs-encoding genes was shown by microarray and qPCR analyses to increase in the migrating epithelium of wounded corneas. Many of these enzymes were converted into their enzymatically active form as wound closure proceeded. In addition, expression of MMPs by human corneal epithelial cells (HCECs) was affected both by the stromal fibroblasts and the collagen-enriched ECM they produce. Most of all, results from mass spectrometry analyses provided evidence that a fully stratified epithelium is required for proper synthesis and organization of the ECM on which the epithelial cells adhere. In conclusion, and because of the many characteristics it shares with the native cornea, this human two layers corneal substitute may prove particularly useful to decipher the mechanistic details of corneal wound healing.
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Affiliation(s)
- Camille Couture
- CUO-Recherche, Médecine Régénératrice - Centre de recherche FRQS du CHU de Québec-Université Laval, Québec, Canada; Centre de Recherche en Organogénèse expérimentale de l'Université Laval/LOEX, Québec, QC, Canada; Département d'Ophtalmologie, Faculté de médecine, Université Laval, Québec, QC, Canada; Département de Chirurgie, Faculté de médecine, Université Laval, Québec, QC, Canada
| | - Karine Zaniolo
- CUO-Recherche, Médecine Régénératrice - Centre de recherche FRQS du CHU de Québec-Université Laval, Québec, Canada; Centre de Recherche en Organogénèse expérimentale de l'Université Laval/LOEX, Québec, QC, Canada; Département d'Ophtalmologie, Faculté de médecine, Université Laval, Québec, QC, Canada
| | - Patrick Carrier
- CUO-Recherche, Médecine Régénératrice - Centre de recherche FRQS du CHU de Québec-Université Laval, Québec, Canada; Centre de Recherche en Organogénèse expérimentale de l'Université Laval/LOEX, Québec, QC, Canada; Département d'Ophtalmologie, Faculté de médecine, Université Laval, Québec, QC, Canada; Département de Chirurgie, Faculté de médecine, Université Laval, Québec, QC, Canada
| | - Jennifer Lake
- CUO-Recherche, Médecine Régénératrice - Centre de recherche FRQS du CHU de Québec-Université Laval, Québec, Canada; Centre de Recherche en Organogénèse expérimentale de l'Université Laval/LOEX, Québec, QC, Canada; Département d'Ophtalmologie, Faculté de médecine, Université Laval, Québec, QC, Canada
| | - Julien Patenaude
- CUO-Recherche, Médecine Régénératrice - Centre de recherche FRQS du CHU de Québec-Université Laval, Québec, Canada; Centre de Recherche en Organogénèse expérimentale de l'Université Laval/LOEX, Québec, QC, Canada; Département d'Ophtalmologie, Faculté de médecine, Université Laval, Québec, QC, Canada; Département de Chirurgie, Faculté de médecine, Université Laval, Québec, QC, Canada
| | - Lucie Germain
- CUO-Recherche, Médecine Régénératrice - Centre de recherche FRQS du CHU de Québec-Université Laval, Québec, Canada; Centre de Recherche en Organogénèse expérimentale de l'Université Laval/LOEX, Québec, QC, Canada; Département d'Ophtalmologie, Faculté de médecine, Université Laval, Québec, QC, Canada; Département de Chirurgie, Faculté de médecine, Université Laval, Québec, QC, Canada
| | - Sylvain L Guérin
- CUO-Recherche, Médecine Régénératrice - Centre de recherche FRQS du CHU de Québec-Université Laval, Québec, Canada; Centre de Recherche en Organogénèse expérimentale de l'Université Laval/LOEX, Québec, QC, Canada; Département d'Ophtalmologie, Faculté de médecine, Université Laval, Québec, QC, Canada.
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Nishida T, Inui M, Nomizu M. Peptide therapies for ocular surface disturbances based on fibronectin-integrin interactions. Prog Retin Eye Res 2015; 47:38-63. [PMID: 25645519 DOI: 10.1016/j.preteyeres.2015.01.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Revised: 01/18/2015] [Accepted: 01/21/2015] [Indexed: 11/24/2022]
Abstract
The condition of the corneal epithelium is a critical determinant of corneal transparency and clear vision. The corneal epithelium serves as a barrier to protect the eye from external insults, with its smooth surface being essential for its optical properties. Disorders of the corneal epithelium include superficial punctate keratopathy, corneal erosion, and persistent epithelial defects (PEDs). The prompt resolution of these disorders is important for minimization of further damage to the cornea. Currently available treatment modalities for corneal epithelial disorders are based on protection of the ocular surface in order to allow natural healing to proceed. PEDs remain among the most difficult corneal conditions to treat, however. On the basis of characterization of the pathobiology of PEDs at the cell and molecular biological levels, we have strived to develop new modes of treatment for these defects. These treatments rely on two key concepts: provision of a substrate, such as the adhesive glycoprotein fibronectin, for the attachment and migration of corneal epithelial cells, and activation of these cells by biological agents such as the combination of substance P and insulin-like growth factor-1 (IGF-1). Central to both approaches is the role of the fibronectin-integrin system in corneal epithelial wound healing. Determination of the minimum amino acid sequences required for the promotion of corneal epithelial wound closure by fibronectin (PHSRN) and by substance P (FGLM-amide) plus IGF-1 (SSSR) has led to the development of peptide eyedrops for the treatment of PEDs that are free of adverse effects of the parent molecules.
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Affiliation(s)
- Teruo Nishida
- Ohshima Hospital of Ophthalmology, 11-8 Kamigofuku, Hakata-ku, Fukuoka 812-0036, Japan; Yamaguchi University, 1-1-1 Minami-kogushi, Ube City, Yamaguchi 755-8505, Japan.
| | - Makoto Inui
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-kogushi, Ube City, Yamaguchi 755-8505, Japan
| | - Motoyoshi Nomizu
- Laboratory of Clinical Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
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Ko JA, Hirata J, Yamane K, Sonoda KH, Kiuchi Y. Up-regulation of semaphorin 4A expression in human retinal pigment epithelial cells by PACAP released from cocultured neural cells. Cell Biochem Funct 2014; 33:29-36. [PMID: 25515530 DOI: 10.1002/cbf.3082] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 11/04/2014] [Accepted: 11/05/2014] [Indexed: 01/01/2023]
Abstract
Development and homeostasis of multicellular organisms require interactions between neighbouring cells. We recently established an in vitro model of cell-cell interaction based on a collagen vitrigel membrane. We have now examined the role of neural cells in retinal homeostasis by coculture of human retinal pigment epithelial (RPE) cells and neural cells on opposite sides of such a membrane. The neural cells (differentiated PC12 cells) induced up-regulation of semaphorin 4A (Sema4A), a member of the semaphorin family of neural guidance proteins, in RPE (ARPE19) cells. This effect of the neural cells was mimicked by the neuropeptide pituitary adenylate cyclase-activating polypeptide (PACAP) and was abolished by the PACAP antagonist PACAP(6-38). Coculture with neural cells or stimulation with PACAP also induced the phosphorylation of extracellular-signal-regulated kinase in ARPE19 cells, and this effect of the neural cells was inhibited by PACAP(6-38). Finally, among various cytokines examined, only the amount of interleukin-6 released by cocultures of ARPE19 and neural cells differed from that released by ARPE19 cells cultured alone. Interleukin-6 was not detected in culture supernatants of neural cells, and the reduction in the amount of interleukin-6 released by the cocultures compared with that released by ARPE19 cells alone was prevented by PACAP(6-38). Our findings suggest that PACAP released from retinal neural cells (photoreceptors or optic nerve cells) may regulate Sema4A expression in RPE cells and thereby contribute to the maintenance of retinal structure and function. Development and homeostasis of multicellular organisms require interactions between neighbouring cells. With the use of a coculture system based on a collagen vitrigel membrane, we have now shown that neural cells induce up-regulation of the neural guidance protein Sema4A in RPE cells. This effect of neural cells appears to be mediated by the neuropeptide PACAP. PACAP released from retinal neural cells (photoreceptors or optic nerve cells) may thus regulate Sema4A expression in RPE cells and thereby contribute to the maintenance of retinal structure and function.
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Affiliation(s)
- Ji-Ae Ko
- Department of Ophthalmology, Hiroshima University Graduate School of Biomedical Sciences, Hiroshima City, Hiroshima, Japan
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