摘要:Purpose: To investigate the bioactive components and mechanism of action of moist exposed burn ointment (MEBO) for treatment of diabetic foot ulcers using network pharmacology (NP) and molecular docking technology Methods: Through pharmacology database of traditional Chinese medicine (TCM) systems (TCMSP), analysis platform and symptom mapping (SymMap) database, the bioactive components of MEBO were screened for and protein binding to bioactive components was predicted. Proteins related to Diabetic foot ulcer (DFU) were collected from GeneCards, OMIM, PharmGkb and TTD disease databases. With R language software, the binding proteins of bioactive components of MEBO intersected with the proteins related to occurrence of DFU. Proteins of DFU linked to treatment with MEBO were subjected to analysis using gene ontology (GO) and KEGG with R language software. AutoDock and PyMOL software were employed to dock active components of MEBO and major proteins of DFU. Targeted binding potential of bioactive compounds in MEBO to core proteins of DFU was analyzed. Results: One hundred and five (105) bioactive ingredients and 246 likely therapeutic proteins were obtained. Proteins were mainly involved in biological processes in wound healing, oxidative stress, and lipopolysaccharide. The enriched signaling pathway focused on lipid metabolism and the process of atherosclerosis which involved PI3K and Akt, advanced glycation end-products (AGE)-receptor (RAGE) and mitogen-activated protein kinase (MAPK). The absolute values of these proteins were screened out with a docking score greater than 5 kcal/mol. Conclusion: The biological effects of MEBO are related to multiple proteins and multiple signaling pathways. Therefore, healing effect of MEBO on DFU occurs via multiple pathways. The biological characteristics of MEBO need to be fully elucidated in further studies.
摘要:Introduction The face is the central point of the physical features; it transmits expressions and emotions, communicates feelings and allows for individual identity. Facial burns are very common and are devastating to the affected patient and results into numerous physical, emotional and psychosocial sequels. Partial thickness facial burns are very common especially among children. This study compares the effect of standard moist open technique management and a moist closed technique for partial thickness burns of the face. Patients and methods Patients with partial-thickness facial burns admitted in the burn unit, Ain Shams University, Cairo, Egypt in the period from April 2009 to December 2009 were included in this study. They were divided into two groups to receive either open treatment with MEBO? (n=20) or coverage with Aquacel? Ag (n=20). Demographics (age, gender, ethnicity, TBSA, burn areas), length of hospital stay (LOS), rate of infections, time to total healing, frequency of dressing changes, pain, cost benefit and patient discomfort were compared between the two groups. The long-term outcome (incidence of hypertrophic scarring) was assessed for up to 6 months follow-up period. Results There were no significant differences in demographics between the two groups. In the group treated with the Aquacel? Ag, the mean time for re-epithelialization was 10.5 days, while it was 12.4 days in the MEBO? group (p<0.05). Frequency of changes, pain and patient discomfort were less with Aquacel? Ag. Cost was of no significant difference between the two groups. Scar quality improved in the Aquacel? Ag treatment group. Three and 6 months follow-up was done and long-term outcomes were recorded in both groups. Conclusion Moist occlusive dressing (Aquacel? Ag) significantly improves the management and healing rate of partial thickness facial burns with better long-term outcome compared to moist open dressing (MEBO?).
摘要:目的:观察皮肤再生医疗技术(Moist exposed burn therapy/Moist exposed burn ointment,MEBT/MEBO)促进糖尿病足Wagner 3级创面愈合作用,初步探讨MEBT/MEBO对糖尿病足Wagner 3级创面愈合过程中AGEs-RAGE信号通路的干预机制,为临床MEBT/MEBO治疗糖尿病足溃疡提供理论依据。方法:采用随机数字表法纳入50~70岁糖尿病足Wagner 3级患者进行随机分组,分为治疗组36例和对照组30例。两组病例均进行基础治疗,包括控制血压、血脂,扩血管、营养神经、营养支持等对症支持治疗。治疗组采用MEBT/MEBO进行创面处理,对照组采用贝复济进行创面处理,换药次数1~2次/日。在治疗前、治疗两周、治疗四周分别对患者创面情况及症状情况(包括渗液、腐肉、肉芽、上皮量、创面面积及深浅、周围皮色、肿胀、疼痛)进行记录,并依照症状积分量表进行比较。于治疗前、治疗两周、治疗四周分别取部分创面组织,匀浆取上清液采用ELASA法测定AGEs、RAGE表达水平。所有实验数据采用SPSS22.0统计分析软件处理,P<0.05为差异有统计学意义。结果:本研究共纳入66例糖尿病足Wagner 3级患者,分为治疗组(MEBO组)36例和对照组(贝复济组)30例。治疗前,两组病例一般情况(年龄、餐后血糖、肱踝指数、创面面积)、症状积分比较,组间差异均无统计学差异(P>0.05),具有可比性。治疗两周后,与贝复济组比较,MEBO组的腐肉、肉芽积分降低趋势明显,差异具有统计学意义(P<0.05);治疗四周后,MEBO组的渗液、腐肉、肉芽、上皮量、创面、创周情况积分较贝复济组下降趋势明显,差异具有统计学意义(P<0.05)。在治疗两周、治疗四周,两组创面组织AGEs表达水平均有所下降,与贝复济组比较,MEBO组AGEs表达量下降趋势明显,差异具有统计学意义(P<0.05);MEBO组在治疗两周、治疗四周RAGE表达量明显下降,与贝复济组比较,两组之间有明显统计学差异(P<0.05)。两组患者在经过四周治疗后,经秩和检验结果显示:治疗组痊愈2例,显效23例,有效9例,无效2例,有效率94.4%,显效率63.89%;贝复济组治愈0例,显效6例,有效19例,无效5例,有效率83.33%,显效率20%。两组结果比较,差异具有统计学意义(P<0.05),MEBO组疗效优于贝复济组。结论...
摘要:目的探讨湿润烧伤膏(MEBO)干预糖尿病性溃疡创面愈合的作用机制。方法将145只雄性健康SD大鼠随机分为空白组35只及糖尿病模型组110只,采用腹腔注射链脲佐菌素(STZ)制备糖尿病大鼠模型,8周后选空白组30只及糖尿病成模大鼠90只(模型组、MEBO组及贝复济组各30只),制备溃疡模型,成功后MEBO组予湿润烧伤膏纱条、贝复济组予重组牛碱性成纤维细胞生长因子溶液纱条、空白及模型组予生理盐水纱条局部换药处理,每日1次。给药后第3、6、12d,各组分别选10只大鼠,取相同位点创面组织,应用ELISA法检测组织匀浆中AGEs、NF-κB含量,荧光PCR技术检测组织中RAGE mRNA表达。结果与空白组比较,模型组大鼠第3、6、12d创面组织AGEs含量及RAGE mRNA表达量均显著升高(P<0.01),第3d创面组织NF-κB含量较低,第6d、12d含量持续升高(P<0.05或P<0.01)。与模型组比较,MEBO组第3、6、12d创面组织中AGEs含量及RAGE mRNA表达量均显著降低,贝复济组第3、6、12d组织中AGEs含量及第3d RAGE mRNA表达量显著下降,两组第3d创面组织中NF-κB含量均升高,第6、12d均明显下降,差异有显著性意义(P<0.05或P<0.01)。结论 MEBO促进糖尿病性溃疡创面愈合的机制与调控创面组织AGEs、NF-κB及RAGE mRNA的表达有关。