1. Bioactive-Enriched Nanovesicles from American Cockroaches Enhance Wound Healing by Promoting Angiogenesis.
- Author
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Wang F, Guo SQ, Su TH, Tian XJ, Wen WJ, Pan HP, Wang XF, Zhang W, Zhong JL, Dong ZS, and Luo P
- Subjects
- Animals, Humans, Neovascularization, Physiologic drug effects, Cell Movement drug effects, Periplaneta chemistry, Keratinocytes drug effects, Keratinocytes metabolism, Skin drug effects, Cockroaches, HaCaT Cells, RNA, Long Noncoding genetics, RNA, Long Noncoding metabolism, Mice, Angiogenesis, Wound Healing drug effects, Human Umbilical Vein Endothelial Cells drug effects, Cell Proliferation drug effects
- Abstract
Skin trauma often results from pain, swelling, and scarring and can significantly interfere with daily activities. Extracts from the American cockroach, a rapidly reproducing insect, have been recognized for therapeutic properties in wound management. Traditional extraction methods use solvents such as ethanol to obtain the active compounds, but these methods may compromise the intrinsic biological properties of American cockroach extracts. In this study, we investigated the use of nanovesicles isolated from fresh American cockroaches in skin wound treatment and focused on their biological characteristics and therapeutic efficacy. Fresh and dried American cockroach nanovesicles (F-ACNVs and D-ACNVs, respectively) were procured via ultrahigh-speed centrifugation. We found that F-ACNVs exhibited superior cell proliferation-promoting activity. By employing metabolomics, proteomics, and long noncoding RNA (lncRNA) omics, we identified a rich repertoire of metabolites, proteins, and lncRNAs within F-ACNVs. In vitro and in vivo experiments demonstrated that F-ACNVs significantly enhanced the proliferation and migration of human umbilical vein endothelial cells (HUVECs) and human skin keratinocytes (HACATs) as well as the repair of skin mechanical trauma. These effects may be mediated through the activation of angiogenic signaling pathways. Our research introduces a novel therapeutic strategy for treating skin trauma and offers insight into the medicinal potential of insects such as the American cockroach while emphasizing the importance of preserving the intrinsic biological properties of insects for optimal therapeutic outcomes.
- Published
- 2025
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