Phytochemical screening of himatanthus sucuuba (Spruce) woodson (apocynaceae) latex, in vitro cytotoxicity and incision wound repair in mice

Oscar Herrera-Calderón, Lisbeth Lucia Calero-Armijos, Wilson Cardona-G, Angie Herrera-R, Gustavo Moreno, Majed A. Algarni, Mohammed Alqarni, Gaber El Saber Batiha

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Himatanthus sucuuba, also known as “Bellaco caspi”, is a medicinal plant whose latex, stem bark, and leaves possess phenolic acids, lupeol, β-dihydro-plumbericinic acid, plumericin, and plumeride, among other components. Some of these have been linked to such biological activities as antiulcer, anti-inflammatory, and wound healing. The aim of this study was to determine the phytochemical compounds of H. sucuuba latex, as well as its in vitro cytotoxicity and wound healing effect in mice. Latex was collected in the province of Iquitos, Peru. Phytochemical analysis was carried out with UPLC-ESI-MS/MS. The cytotoxicity was evaluated on two colon tumor cell lines (SW480 and SW620) and non-malignant cells (human keratinocytes, HaCaT, and Chinese hamster ovary, CHO-K1). The mice were distributed into two groups, as follows: Group I—control (n = 10; without treatment); II—(n = 10) H. sucuuba latex; wounds were induced with a scalpel in the dorsal– cervical area and treatments were applied topically twice a day on the incision for 10 days. Molecular docking was carried out on the glycogen synthase kinase 3β protein. Twenty-four chemical compounds were determined, mainly flavonoid-type compounds. Latex did not have a cytotoxic effect on tumor cells with IC50 values of more than 500 µg/mL. The latex had a regenerative effect on wounds in mice. Acacetin-7-O-neohesperidoside had the best docking score of-9.9 kcal/mol. In conclusion, H. sucuuba latex had a wound healing effect in mice, as confirmed by histological study. However, a non-cytotoxic effect was observed on colon tumor cells SW480 and SW620.

Idioma originalInglés
Número de artículo2197
EstadoPublicada - oct. 2021

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© 2021 by the authors. Licensee MDPI, Basel, Switzerland.


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