期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 668, 期 -, 页码 55-61出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2023.05.047
关键词
Alopecia; DKK1; Wnt; I3-catenin signaling; Hair; siRNA
Despite advancements in medical research, androgenetic alopecia (AGA) still lacks an ideal treatment. This study suggests that targeting dickkopf-related protein 1 (DKK1) with small interfering RNA (siRNA) may promote hair growth regulation in the AGA population by activating the Wnt/I3-catenin signaling pathway. The results showed that DKK1-targeting siRNA had comparable efficacy to the FDA-approved minoxidil topical solution.
Despite advancements in medical research, androgenetic alopecia (AGA) remains a humankind problem that still needs to be overcome. To date, clinical practice lacks an ideal treatment for AGA. The Wnt/I3- catenin signaling pathway is evidenced to play a key role in hair regrowth, hence, modulating this signaling pathway for AGA therapy appears to be rational. One of the major inhibitors of the canonical Wnt/I3-catenin signaling pathway is dickkopf-related protein 1 (DKK1). In this report, we have selected a small interfering RNA (siRNA) targeting DKK1 in vitro via qPCR and then tested its efficacy in vivo on the depilated dorsal skin of the mice. The changes in hair growth in different groups were observed over time. Moreover, the visual observation of the hair growth and hematoxylin and eosin (HE) staining showed that DKK1-targeting siRNA reveals non-inferior results compared with the mice treated with the Food and Drug Administration (FDA)-approved, commercially available minoxidil (5%) topical solution that was used as a positive control. Both-positive control and DKK1-targeting siRNA groups demon-strated significantly superior results compared with the control group that received negative control siRNA. Consequently, siRNAs targeting DKK1 may promote hair growth regulation in the AGA population via potentially activating the Wnt/I3-catenin signaling pathway.(c) 2023 Elsevier Inc. All rights reserved.
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