Abstract Title:

Transforming growth factor-β (TGF-β) activation in cutaneous wounds after topical application of aloe vera gel.

Abstract Source:

Can J Physiol Pharmacol. 2016 Jul 14:1-6. Epub 2016 Jul 14. PMID: 27660884

Abstract Author(s):

Nasrin Takzaree, Abbas Hadjiakhondi, Gholamreza Hassanzadeh, Mohammad Reza Rouini, Azadeh Manayi, Masoumeh Majidi Zolbin

Article Affiliation:

Nasrin Takzaree


Aloe vera is a medicinal plant used to treat various skin diseases. The effects of using aloe vera gel on the healing process were investigated by microscopic methods, cell counting, and TGF-β gene expression in the wound bed. Sixty Wistar rats weighing 200-250 g were placed under anesthesia in sterile conditions. A square 1.5 cm × 1.5 cm wound was made on the back of the neck. The rats were divided into control and 2 experimental groups. Additionally, the control and experimental groups were separated into 3 subgroups corresponding to 4, 7, and 14 days of study. In the first experimental group, aloe vera was used twice on the wound. The second experimental group received aloe vera overtreatment once on the wound. The positive control group received daily application of 1% phenytoein cream following surgical wound creation. The control group did not receive any treatment. This tissue was examined using histological staining (H&E) and Masson's Trichrome. Wound surface and wound healing were evaluated separately. TGF-β gene expression was analyzed by RT-PCR. Results showed that fibroblasts in both experimental groups were significantly increased, thereby acceleration wound healing. Application of aloe vera gel will increase TGF-β gene expression, ultimately accelerating the wound healing process.

Study Type : Animal Study

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