期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 29, 期 39, 页码 59727-59735出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-022-20100-9
关键词
Wound healing; Inflammation; Neo-angiogenesis; Re-epithelialization; Aloe vera; Olive oil
资金
- Deanship of Scientific Research at Jouf University [DSR2020-01-471]
The topical application of Aloe gel and/or olive oil has been found to significantly enhance the healing process of diabetic wounds. The combination of Aloe gel and olive oil (AVO) showed the most improvement in healing kinetics compared to separate application of either Aloe gel or olive oil. This study highlights the potential of natural products in promoting the healing of diabetic wounds.
Diabetic wounds are characterized by a delayed closure rate due to the excess inflammation and the inhibition of angiogenesis. Natural products derived from Aloe vera have shown great promise due to their healing magnificent properties. Olive oil is another natural product with anti-microbial and anti-inflammatory properties that may contribute to the healing process. In the present investigation, we tried to evaluate the efficacy of topical application of Aloe gel and/or olive oil in the enhancement of diabetic wounds using histological and immunohistochemical analysis. Excisional wounds were created on the back skin of streptozotocin-induced diabetic rats. Topical treatments of Aloe gel and/or olive oil were applied separately and in a combination (AVO) daily for experimental groups. Macroscopic and microscopic observations of the excision wounds were monitored at time intervals (3, 6, 9, 14 days) post-wounding. Macroscopic observations of the AVO group exhibited almost complete healing at day 14, while other groups were still in progress. Similarly, immunohistochemical analysis of the AVO group showed a mild expression pattern of NF-kappa B.. While, the cell proliferation (Ki-67), and angiogenesis (CD34) markers were upregulated. Conclusively, the obtained results showed that the AVO combination effectively improved the healing process in diabetic excisional wounds with significant differences in the healing kinetics compared to wounds that received Aloe gel or olive oil separately.
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