Genipa americana lectin (GaBL) induces inhibition of growth, migration, invasion, and regulation of the expression of caspase-mediated apoptosis and proteins related to the development of cancer in human head and neck cells

Author:

Costa Ricardo Bezerra1,Silva Monizy da Costa1,Gomes Emisael Stênio Batista2,Rocha Rogério Gonçalves2,de Queiroz Stella Freitas1,Santos Marta Angelo dos1,Duarte Ana Kelly da Silva Fernandes1,Guimarães André Luiz Sena2,Pereira Hugo Juarez Vieira1,Fraga Carlos Alberto de Carvalho1,Gomes Francis Soares1

Affiliation:

1. Federal University of Alagoas

2. State University of Montes Claros

Abstract

Abstract The antitumor activity of Genipa americana bark lectin (GaBL) was evaluated for the first time against cell lines of human skin cancer (A431), melanoma (B16), and squamous cell carcinoma of the tongue (SCC9). Cancer cell lines were treated with 10 µg/ml of GaBL to assess cell viability, cell migration and invasion, as well as the identification of cell membrane alterations associated with apoptosis. Real-time polymerase chain reaction for caspase-3 was performed to verify if apoptosis is activated by lectin treatment. The mRNA expression of proteins (E-cadherin, type I collagen) related to the epithelial-mesenchymal transition was also analyzed. GaBL decreased (27.5–50%) cell proliferation and reduced cell migration in all strains evaluated. Additionally, the lectin decreased the invasion of SCC9 cells. Apoptosis was higher against B16 and SCC9 cells treated with the lectin. GaBL induced the upregulation of caspase-3, E-cadherin and suppression of type I collagen in all strains tested, indicating lower cancer development. GaBL induces inhibition of growth, migration, invasion, and regulation of the expression of caspase-mediated apoptosis and proteins related to the development of cancer in human head and neck cells.

Publisher

Research Square Platform LLC

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