Mupirocin loaded core-shell pluronic-pectin-keratin nanofibers improve human keratinocytes behavior, angiogenic activity and wound healing. 2023

Marjan Mirhaj, and Jaleh Varshosaz, and Sheyda Labbaf, and Rahmatollah Emadi, and Alexander Marcus Seifalian, and Fariborz Sharifianjazi, and Mohamadreza Tavakoli
Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.

In the current study, a core-shell nanofibrous wound dressing based on Pluronic-F127 (F127) containing 2 wt% mupirocin (Mup) core and pectin (Pec)-keratin (Kr) shell was fabricated through coaxial electrospinning technique, and the blended nanofibers were also fabricated from the same materials. The fiber diameter and specific surface area of the blended nanofibers were about 101.56 nm and 20.16 m2/g, while for core-shell nanofibers they were about 97.32 nm and 25.26 m2/g, respectively. The resultant blended and core-shell nanofibers experienced a degradation of 27.65 % and 32.28 % during 7 days, respectively. The drug release profile of core-shell nanofibers revealed a sustained release of Mup over 7 days (87.66 %), while the blended F127-Pec-Kr-Mup nanofibers had a burst release within the first few hours (89.38 % up to 48 h) and a cumulative release of 91.36 % after 7 days. Due to the controlled release of Mup, the core-shell structure significantly improved the human keratinocytes behavior, angiogenic potential and wound healing in a rat model compared to the blended structure. In conclusion, the F127-Mup/Pec-Kr core-shell nanofibrous wound dressing appears to be a promising candidate for the prevention of infection, and can potentially accelerate the recovery and healing of chronic and ischemic wounds.

UI MeSH Term Description Entries
D007633 Keratins A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION. Cytokeratin,Keratin Associated Protein,Keratin,Keratin-Associated Proteins,alpha-Keratin,Associated Protein, Keratin,Keratin Associated Proteins,Protein, Keratin Associated,alpha Keratin
D010368 Pectins High molecular weight polysaccharides present in the cell walls of all plants. Pectins cement cell walls together. They are used as emulsifiers and stabilizers in the food industry. They have been tried for a variety of therapeutic uses including as antidiarrheals, where they are now generally considered ineffective, and in the treatment of hypercholesterolemia. Calcium Pectinate,Methoxy Pectin,Methoxylpectin,Methoxypectin,Pectin,Pectinic Acid,Zinc Pectinate,Pectin, Methoxy,Pectinate, Calcium,Pectinate, Zinc
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014945 Wound Healing Restoration of integrity to traumatized tissue. Healing, Wound,Healings, Wound,Wound Healings
D015603 Keratinocytes Epidermal cells which synthesize keratin and undergo characteristic changes as they move upward from the basal layers of the epidermis to the cornified (horny) layer of the skin. Successive stages of differentiation of the keratinocytes forming the epidermal layers are basal cell, spinous or prickle cell, and the granular cell. Keratinocyte
D016712 Mupirocin A topically used antibiotic from a strain of Pseudomonas fluorescens. It has shown excellent activity against gram-positive staphylococci and streptococci. The antibiotic is used primarily for the treatment of primary and secondary skin disorders, nasal infections, and wound healing. Pseudomonic Acid,BRL-4910A,Bactroban,Mupirocin Calcium,Mupirocin, 14C-Labeled,Mupirocin, Calcium Salt (2:1),Mupirocin, Calcium Salt (2:1), Dihydrate,Mupirocin, Lithium Salt,Mupirocin, Sodium Salt,Pseudomonic Acid A,14C-Labeled Mupirocin,BRL 4910A,BRL4910A,Mupirocin, 14C Labeled
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
D057139 Nanofibers Submicron-sized fibers with diameters typically between 50 and 500 nanometers. The very small dimension of these fibers can generate a high surface area to volume ratio, which makes them potential candidates for various biomedical and other applications. Nanofiber
D020442 Poloxamer A nonionic polyoxyethylene-polyoxypropylene block co-polymer with the general formula HO(C2H4O)a(-C3H6O)b(C2H4O)aH. It is available in different grades which vary from liquids to solids. It is used as an emulsifying agent, solubilizing agent, surfactant, and wetting agent for antibiotics. Poloxamer is also used in ointment and suppository bases and as a tablet binder or coater. (Martindale The Extra Pharmacopoeia, 31st ed) Pluronic,Poloxamers,Pluronic F-108,Pluronic F-127,Pluronic F-68,Pluronic F68,Pluronic L-101,Pluronic L-121,Pluronic L-81,Pluronics,Poloxalkol,Poloxamer 188,Poloxamer 213,Poloxamer 2930,Poloxamer 338,Poloxamer 407,188s, Poloxamer,213s, Poloxamer,2930s, Poloxamer,338s, Poloxamer,407s, Poloxamer,F68s, Pluronic,Pluronic F 108,Pluronic F 127,Pluronic F 68,Pluronic F108,Pluronic F127,Pluronic F68s,Pluronic L 101,Pluronic L 121,Pluronic L 81,Pluronic L101,Pluronic L121,Pluronic L81,Poloxalkols,Poloxamer 188s,Poloxamer 213s,Poloxamer 2930s,Poloxamer 338s,Poloxamer 407s

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