State-of-the-Art Molecular and Translational Medicine in Japan

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

Deadline for manuscript submissions: 31 July 2025 | Viewed by 651

Special Issue Editor


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Guest Editor
Department of Dermatology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
Interests: systemic sclerosis; Psoriasis; atopic dermatitis; myositis; sle; vasculitis; b cells; T cells
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Special Issue Information

Dear Colleagues,

In recent years, molecular and translational research has been carried out on various diseases. Many biologics targeting inflammatory cytokines and molecularly targeted drugs such as JAK inhibitors have emerged. The mechanisms of action and research on these drugs are advancing at a tremendous pace.

This Special Issue compiles cutting-edge research from Japan, focusing on state-of-the-art information on various diseases from a molecular viewpoint. We warmly welcome research and review articles concerning a variety of factors relating to skin diseases, including their genetic/epigenetic regulation, therapy, and prevention. In this Special Issue, we aim to present the latest information on such diseases, from their basic mechanisms to therapies.

Dr. Takemichi Fukasawa
Guest Editor

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Keywords

  • molecular and translational research
  • targeting inflammatory cytokines
  • targeted drugs
  • skin diseases
  • basic mechanisms
  • novel therapies

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Published Papers (1 paper)

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Research

8 pages, 1230 KiB  
Communication
Topical Application of OJI-204 Alleviates Skin Dryness, Dry Skin-Induced Itch, and Mechanical Alloknesis
by Sumika Toyama, Tomoya Nakamura, Mitsutoshi Tominaga and Kenji Takamori
Biomedicines 2025, 13(3), 556; https://doi.org/10.3390/biomedicines13030556 - 21 Feb 2025
Viewed by 484
Abstract
Background/Objectives: The skin is an important barrier that protects against invasion by foreign substances and retains water in the body. Several skin diseases involve dry skin due to a disrupted skin barrier, and most skin diseases that appear on dry skin are [...] Read more.
Background/Objectives: The skin is an important barrier that protects against invasion by foreign substances and retains water in the body. Several skin diseases involve dry skin due to a disrupted skin barrier, and most skin diseases that appear on dry skin are accompanied by itch. Dry skin-induced itch and mechanical alloknesis reduce quality of life. Sulfated hemicellulose (i.e., pentosan polysulfate sodium), similar to heparin, is a compound belonging to the sulfated polysaccharide family; however, in contrast to heparin, it is derived from plant materials. We herein investigate the effects of the topical application of OJI-204, a sulfated hemicellulose made by purifying and chemically synthesizing hemicellulose, on dry skin in a mouse model. Methods: The mouse model of dry skin was generated using a mixture of acetone and ether with water. Either OJI-204 (3% or 10%) or 0.3% heparinoid, PBS (control), was applied twice a day to the acetone and diethyl ether/water (AEW)-treated area. The degree of skin dryness was evaluated by measuring transepidermal water loss and stratum corneum hydration. Scratching behavior was recorded the day before AEW treatment and the day after the final day, and an alloknesis assay was performed on the day after the final day. Results: We found that 3% or 10% OJI-204 attenuated dry skin conditions (erythema/hemorrhage, scarring/dryness, edema, and excoriation/erosion) and itchiness more effectively than 0.3% heparinoid. Furthermore, the degree of dryness improved to the same degree as that with heparinoid. OJI-204 also significantly reduced dry skin-induced spontaneous itch and mechanical alloknesis. Conclusions: These results suggest the potential of OJI-204 as a therapeutic or preventive agent for dry skin. Full article
(This article belongs to the Special Issue State-of-the-Art Molecular and Translational Medicine in Japan)
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