Phenalen-1-one-mediated photodynamic therapy inhibits keloid graft progression by reducing vessel formation and promoting fibroblast apoptosis

The pathological mechanism of pathological scar is highly complex, encompassing the abnormalities of diverse cytokines, signaling pathways and regulatory factors. To discover more preferable scar treatment options, a variety of distinct approaches have been utilized clinically. Nevertheless, these treatments possess certain side effects and are inclined to relapse. Presently, pathological scar treatment remains a clinical conundrum, and there is an urgent demand for treatment methods that are safe, less traumatic and have lower recurrence rates. New drug delivery systems, novel therapeutic drugs and therapy strategies can enable drugs to permeate the skin effectively, decrease side effects, enhance drug efficacy and even achieve pain-free self-administration. Currently, novel nanotechnologies such as nanomicroneedles, photodynamics mediated by novel photosensitizers, bioelectrical stimulation and 3D printed dressings have been developed for the effective treatment of pathological scars. Additionally, innovative nanoscale fillers, including nano-fat and engineered exosomes, can serve as novel therapeutic agents for the efficient treatment of pathological scars. The intervention of nanomaterials can enhance drug absorption, stabilize and safeguard the active ingredients of drugs, delay or control drug release and enhance bioavailability. This article reviews these new treatment strategies for scar to explore novel approaches for efficient and safe for keloid treatment.

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Phenalen-1-one-mediated photodynamic therapy inhibits keloid graft progression by reducing vessel formation and promoting fibroblast apoptosis

Abstract: Zheng W, Wu H, Li Y. Phenalen-1-one-mediated photodynamic therapy inhibits keloid graft progression by reducing vessel formation and promoting fibroblast apoptosis.

Cited by 3 publications

References 34 publications

Advances in photodynamic therapy of pathologic scar

Advances in photodynamic therapy of pathologic scar

Assessment of the efficacy and safety of auricular keloids excision followed by 5-aminolevulinic acid photodynamic therapy

New challenges in scar therapy: the novel scar therapy strategies based on nanotechnology

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