壳聚糖和芦荟修饰的米诺地尔纳米颗粒系统作为脱发治疗的推荐局部制剂

IF 1.7 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Advances in Natural Sciences: Nanoscience and Nanotechnology Pub Date : 2023-04-27 DOI:10.1088/2043-6262/accc7e
Ebtesam A. Mohamad, Amany M Gad, Rana H. Abd El-Rhman, M. M. Darwish
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引用次数: 2

摘要

米诺地尔(Mxd)是一种常见的药物,用于表现出不同类型脱发,特别是雄激素性脱发(AGA)的患者的头发再生,但它有一些负面影响,如引起不良反应和通过外层的渗透有限。在这项研究中,米诺地尔被封装到niosomes中,然后被装载到壳聚糖纳米颗粒和芦荟中,以制备纳米复合材料(Cs@Alo/Nio-Mxd),其将被用作局部制剂以克服这些困难。通过负载效率、TEM、SEM、ζ电位、FTIR和体外释放谱对各种制备的样品进行了物理化学表征。通过使用诱导性脱发大鼠的体内研究来评估所制备的制剂的毛发生长潜力。将36只诱导性脱发大鼠随机分为6组,每组6只。第1组(阴性对照):大鼠作为正常人,用生理盐水治疗,第2组:大鼠局部应用空白纳米复合材料治疗。第3组(阳性对照):大鼠局部应用5%Mxd治疗,第4组:大鼠外用(Cs-Mxd-NPs)治疗,第5组:大白鼠局部应用(Cs@Alo-MxdNP)。第6组:大鼠局部应用(Cs@Alo/Nio-Mxd)纳米复合材料。所有制剂每天施用一次,持续21天。对处理后的皮肤进行观察、拍照,并检查其组织学特征。结果表明Cs@Alo/Nio-Mxd纳米复合材料可以优先沉积到毛囊中,导致皮肤厚度、每场毛囊总数、毛囊直径、皮下毛囊数量和生长诱导率显著增加(p<0.05)。
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Chitosan and Aloe Vera decorated nanoparticulate system loaded with Minoxidil as a suggested topical formulation for alopecia therapy
Minoxidil (Mxd) is a common medication used for hair regrowth in patients exhibiting different types of alopecia, especially androgenetic alopecia (AGA), but it has some negative aspects such as causing adverse effects and having limited permeation through the outer skin layers. In this study, minoxidil was encapsulated into niosomes and then loaded into chitosan nanoparticles and Aloe vera for creating a nanocomposite (Cs@Alo/Nio-Mxd), which will be used as a topical formulation to overcome these difficulties. The various prepared samples were physico-chemically characterised by their loading efficiency, TEM, SEM, zeta potential, FTIR and in vitro release profiles. The hair growth potential of the prepared formulations was evaluated by an in vivo study using rats with induced alopecia. Thirty-six rats with induced alopecia were randomised into six groups of six rats each. Group 1 (Negative control): rats served as normal and were treated with normal saline, Group 2: rats were treated with topical application of empty nanocomposites. Group 3 (Positive control): rats were treated with topical application of 5% Mxd, Group 4: rats were treated with topical application of (Cs-Mxd NPs), Group 5: rats were treated with topical application of (Cs@Alo-Mxd NPs). Group 6: rats were treated with topical application of (Cs@Alo/Nio-Mxd) nanocomposite. All formulations were applied once daily for 21 days. The treated skin was observed, photographed, and its histological features were examined. Results specified that Cs@Alo/Nio-Mxd nanocomposite could be preferentially deposited into the hair follicles, causing a significant increase (p < 0.05) in skin thickness, total hair follicle number per field, hair follicle diameter, hypodermis hair follicle number and anagen induction percentage.
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Advances in Natural Sciences: Nanoscience and Nanotechnology
Advances in Natural Sciences: Nanoscience and Nanotechnology NANOSCIENCE & NANOTECHNOLOGYMATERIALS SCIE-MATERIALS SCIENCE, MULTIDISCIPLINARY
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