Anchusa officinalis accelerates wound healing via the improvement of transforming growth factor beta 1 expressions, antioxidant levels, and inhibition of TNF-α, IL-6

Abstract

Abstract Wound healing is an intricate, complicated process that needs special attention because of its related complications that may occur if not treated properly or because of therapeutic insufficiency. Common bugloss (Anchusa officinalis L.) is a deep-rooted, hairy perennial herb used in folk medicine for numerous human issues, including wound recovery. To delineate its safety and healing potentials, we investigated the acute toxicity and wound-healing effects of Anchusa officinalis L. (APEAO) aerial part extracts on excisional neck injury in rats. A uniform dorsal neck cut was formed in twenty-four albino rats, which were arbitrarily divided into 4 groups and treated daily with a topical 0.2 ml dose of the following: group A, rats received 10% tween 20; group B, rats received intrasite gel; groups C and D, rats had 250 and 500 mg/kg of APEAO, respectively. The APEAO treatment did not cause toxic damage in rats administered with up to 5 g/kg APEAO. In the wound experiment, APEAO-treated skin exhibited significantly higher deposition of tissue collagen and fibroblast cells. In contrast, inflammatory cells were significantly lower in the recovered tissues of than positve control rats. Topical application of APEAO caused positive modulation of Transforming Growth Factor Beta 1 (angiogenesis) in recovered skin, indicating elevated tissue growth and faster wound-healing action. Moreover, APEAO treatment caused a significant elevation in tissue antioxidants (Superoxide dismutase, glutathione peroxidase, and catalyze) and hydroxyproline (collagen) content, lowering Malondialdehyde levels compared to vehicle rats. Serum inflammatory chemicals (Transforming growth factor α, Interlukin-6, and Interlukin-10) were significantly modulated following APEAO application. The outcomes revealed significant tissue regeneration potentials of APEAO exhibited by its modulatory actions on several cellular processes, which could serve as scientific evidence for future investigation regarding the production of potent pharmaceuticals for faster wound contraction.

Keywords: Anchusa officinalis, wound-healing, antioxidants, immunohistochemical, inflammatory cytokines