Zhu Gehua, Li Jiaqi, Xu Jiamin, Guo Guanghua, Zhu Feng
Medical Centre of Burn Plastic and Wound Repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China.
Department of Critical Care Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, People's Republic of China.
J Inflamm Res. 2024 Dec 19;17:11275-11289. doi: 10.2147/JIR.S496429. eCollection 2024.
Severe burns result in significant skin damage, impairing its primary role as an infection barrier and presenting substantial treatment challenges. Despite improvements in the treatment of burn patients due to advancements in materials and techniques, there remains a need for novel therapeutic approaches to enhance burn prognosis further.
Several types of genomic methods are used in this study, such as differential gene expression analysis, weighted gene co-expression network analysis (WGCNA), machine learning, and Mendelian randomization (MR), to find genes that are linked to severe burns and create a diagnostic nomogram to see how well these genes can predict severe burns. Drug prediction was conducted using the DsigDB database, and molecular docking was used to validate the pharmacological value of drug targets. The effects of genes and drugs on burn wounds were validated through Western Blot (WB) and cell scratch assays.
In patients with severe burns, multi-omics analysis revealed increased CYP19A1 expression. In severe burn cell models, WB further confirmed the elevated expression of CYP19A1. Drug prediction indicated that mevastatin binds effectively to the CYP19A1 gene expression protein. The healing area of scalded HaCat cells was much bigger after 24 hours of mevastatin treatment compared to the scald-only group, as shown by cell scratch assays after 24 and 48 hours.
This study innovatively integrates multi-omics approaches into burn wound research, uncovering for the first time that mevastatin promotes burn wound healing by downregulating CYP19A1 expression. This discovery may provide a new foundation for developing burn wound therapeutics and potentially reduce drug development costs.
严重烧伤会导致皮肤严重受损,损害其作为感染屏障的主要作用,并带来重大治疗挑战。尽管由于材料和技术的进步,烧伤患者的治疗有所改善,但仍需要新的治疗方法来进一步提高烧伤预后。
本研究使用了几种基因组方法,如差异基因表达分析、加权基因共表达网络分析(WGCNA)、机器学习和孟德尔随机化(MR),以寻找与严重烧伤相关的基因,并创建诊断列线图来评估这些基因预测严重烧伤的能力。使用DsigDB数据库进行药物预测,并使用分子对接来验证药物靶点的药理价值。通过蛋白质免疫印迹法(WB)和细胞划痕试验验证基因和药物对烧伤创面的影响。
在严重烧伤患者中,多组学分析显示CYP19A1表达增加。在严重烧伤细胞模型中,WB进一步证实了CYP19A1表达升高。药物预测表明,美伐他汀与CYP19A1基因表达蛋白有效结合。如24小时和48小时后的细胞划痕试验所示,美伐他汀处理24小时后,烫伤的HaCaT细胞的愈合面积比仅烫伤组大得多。
本研究创新性地将多组学方法整合到烧伤创面研究中,首次发现美伐他汀通过下调CYP19A1表达促进烧伤创面愈合。这一发现可能为开发烧伤创面治疗药物提供新的基础,并有可能降低药物开发成本。