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Biomedicines
Special Issues
Skin Fibrosis and Cutaneous Wound Healing
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Special Issue "Skin Fibrosis and Cutaneous Wound Healing"

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Molecular and Translational Medicine".

Deadline for manuscript submissions: 30 November 2023 | Viewed by 2634

Special Issue Editor

Dr. Noriko Aramaki-Hattori

E-Mail Website
Guest Editor
Department of Plastic and Reconstructive Surgery, Keio University Hospital, Tokyo 160-8582, Japan
Interests: fibroblasts; inflammation; fibrosis; cutaneous wound healing

Special Issue Information

Dear Colleagues,

During the wound healing process, epithelialization is completed and remodeling of the extracellular matrix that makes up the granulation tissue occurs. Fibroblasts and leukocytes disappear from the granulation tissue formed during the proliferative phase, and collagen fibers are altered to form scar tissue. Granulation tissue contains large amounts of type III collagen, which diminishes during maturation and is replaced by type I collagen. Collagen polymerizes through cross-linking, increasing the support and tensile strength of the scar. If inflammation is prolonged during this period, fibroblasts do not decrease and collagen production continues, causing hypertrophic scars and keloids. The purpose of this Special Issue is to focus on inflammation and fibrosis and to explore their mechanisms.

Dr. Noriko Aramaki-Hattori
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Biomedicines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (3 papers)

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Article
Phenotypic Modulation of Adipose-Derived Stem Cells and Fibroblasts Treated with Povidone–Iodine and Chlorhexidine in Mono and Coculture Models
by
Alina Chelmuș-Burlacu
,
Eric Tang
and
Dragoș Pieptu
Biomedicines 2023, 11(7), 1855; https://doi.org/10.3390/biomedicines11071855 - 29 Jun 2023
Viewed by 512
Abstract
Topical antiseptics are essential in wound treatment, and adipose-derived stem cells (ADSCs) have recently been proven to facilitate healing. However, the impact of antiseptics on ADSCs has not been fully elucidated, especially in relation to other relevant cell types present in the wound [...] Read more.
Topical antiseptics are essential in wound treatment, and adipose-derived stem cells (ADSCs) have recently been proven to facilitate healing. However, the impact of antiseptics on ADSCs has not been fully elucidated, especially in relation to other relevant cell types present in the wound microenvironment, e.g., fibroblasts. This study evaluated the effects of chlorhexidine and povidone–iodine on four cellular constructs in 2D and 3D in vitro culture systems. Cell constructs were treated with two concentrations of each antiseptic, after which cell migration activity, α-SMA, and Ki67 marker expressions were assessed and compared. Both tested concentrations of povidone–iodine impaired migration and sprouting compared to chlorhexidine, which had minimal effects when used in low concentrations. The gap in the wound healing assay did not close after 24 h of povidone–iodine treatment, although, at the lower concentration, cells started to migrate in a single-cell movement pattern. Similarly, in 3D culture systems, sprouting with reduced spike formation was observed at high povidone–iodine concentrations. Both antiseptics modulated α-SMA and Ki67 marker expressions at 5 days following treatment. Although both antiseptics had cytotoxic effects dependent on drug concentration and cell type, povidone–iodine contributed more substantially to the healing process than chlorhexidine, acting especially on fibroblasts. Full article
(This article belongs to the Special Issue Skin Fibrosis and Cutaneous Wound Healing)
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Article
Compound 13 Promotes Epidermal Healing in Mouse Fetuses via Activation of AMPK
by
Kento Takaya
,
Keisuke Okabe
,
Shigeki Sakai
,
Noriko Aramaki-Hattori
,
Toru Asou
and
Kazuo Kishi
Biomedicines 2023, 11(4), 1013; https://doi.org/10.3390/biomedicines11041013 - 27 Mar 2023
Cited by 1 | Viewed by 804
Abstract
Unlike adults, early developing fetuses can completely regenerate tissue, and replicating this could lead to the development of treatments to reduce scarring. Mice epidermal structures, including wound healing patterns, are regenerated until embryonic day (E) 13, leaving visible scars thereafter. These patterns require [...] Read more.
Unlike adults, early developing fetuses can completely regenerate tissue, and replicating this could lead to the development of treatments to reduce scarring. Mice epidermal structures, including wound healing patterns, are regenerated until embryonic day (E) 13, leaving visible scars thereafter. These patterns require actin cable formation at the epithelial wound margin through AMP-activated protein kinase (AMPK) activation. We aimed to investigate whether the administration of compound 13 (C13), a recently discovered AMPK activator, to the wound could reproduce this actin remodeling and skin regeneration pattern through its AMPK activating effect. The C13 administration resulted in partial formations of actin cables, which would normally result in scarring, and scar reduction during the healing of full-layer skin defects that occurred in E14 and E15 fetuses. Furthermore, C13 was found to cause AMPK activation in these embryonic mouse epidermal cells. Along with AMPK activation, Rac1 signaling, which is involved in leaflet pseudopodia formation and cell migration, was suppressed in C13-treated wounds, indicating that C13 inhibits epidermal cell migration. This suggests that actin may be mobilized by C13 for cable formation. Administration of C13 to wounds may achieve wound healing similar to regenerative wound healing patterns and may be a potential candidate for new treatments to heal scars. Full article
(This article belongs to the Special Issue Skin Fibrosis and Cutaneous Wound Healing)
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Article
Fetal Fibroblast Transplantation via Ablative Fractional Laser Irradiation Reduces Scarring
by
Shigeki Sakai
,
Noriko Aramaki-Hattori
and
Kazuo Kishi
Biomedicines 2023, 11(2), 347; https://doi.org/10.3390/biomedicines11020347 - 26 Jan 2023
Viewed by 955
Abstract
Scar treatments include fractional laser treatment, cell transplantation, surgery, skin needling, and dermal fillers. Fractional laser treatments are used to reduce scarring and blurring. Cell transplantation is promising, with mature fibroblasts and adipose-derived stem cells being used clinically, while embryonic fibroblasts are used [...] Read more.
Scar treatments include fractional laser treatment, cell transplantation, surgery, skin needling, and dermal fillers. Fractional laser treatments are used to reduce scarring and blurring. Cell transplantation is promising, with mature fibroblasts and adipose-derived stem cells being used clinically, while embryonic fibroblasts are used experimentally. Herein, we developed a combination of ablative CO2 (carbon dioxide) fractional laser and cell transplantation for the treatment of scars. Eight-week-old male C57Bl/6 mice were used to create a full-layer skin defect in the back skin and create scars. The scar was then irradiated using a CO2 fractional laser. The cells were then transplanted onto the scar surface and sealed with a film agent. The transplanted cells were GFP-positive murine fetal fibroblasts (FB), fetal fibroblasts with a long-term sphere-forming culture (LS), and fetal skin with a short-term sphere-forming culture (SS). After transplantation, green fluorescent protein (GFP)-positive cells were scattered in the dermal papillary layer and subcutis in all the groups. LS significantly reduced the degree of scarring, which was closest to normal skin. In conclusion, the combination of ablative fractional laser irradiation and fetal fibroblast transplantation allowed us to develop new methods for scar treatment. Full article
(This article belongs to the Special Issue Skin Fibrosis and Cutaneous Wound Healing)
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