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Photodynamic and antiangiogenic activities of parietin liposomes in triple negative breast cancer.
Ayoub, Abdallah M; Amin, Muhammed U; Ambreen, Ghazala; Dayyih, Alice Abu; Abdelsalam, Ahmed M; Somaida, Ahmed; Engelhardt, Konrad; Wojcik, Matthias; Schäfer, Jens; Bakowsky, Udo.
Afiliação
  • Ayoub AM; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany; Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.
  • Amin MU; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany; Department of Pharmacy, The University of Lahore, Lahore, Pakistan.
  • Ambreen G; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany.
  • Dayyih AA; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany.
  • Abdelsalam AM; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany; Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Al-Azhar University, Asiut, Egypt.
  • Somaida A; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany.
  • Engelhardt K; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany.
  • Wojcik M; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany.
  • Schäfer J; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany.
  • Bakowsky U; Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Germany. Electronic address: ubakowsky@aol.com.
Biomater Adv ; 134: 112543, 2022 Mar.
Article em En | MEDLINE | ID: mdl-35523642
ABSTRACT
Parietin (PTN) is an anthraquinone with promising efficacy in the inhibition of cancer cell proliferation and tumor growth. Due to its hydrophobicity, PTN is sparingly soluble under physiological conditions and has a low bioavailability. Hence, we presented PTN in liposomes to overcome these drawbacks. The prepared liposomes were characterized and their stability was also assessed in serum. Singlet oxygen quantum yield of PTN loaded liposomes was indirectly quantified using uric acid. The intracellular uptake of liposomes was studied by CLSM which indicated the perinuclear localization of PTN liposomes. Cellular viability assay and live/dead staining demonstrated both light and dose-dependent phototoxicity of PTN on the human breast cancer cell line. The mechanism of cellular uptake was investigated using different pathway inhibitors and the results showed that clathrin-mediated endocytosis is predominant. The colocalization experiment indicated that PTN is localized in both mitochondria and lysosomes. These findings together with flow cytometry analysis elucidated that apoptosis is the main mechanism underlying cell death post-PDT. Finally, the antiangiogenic effect of PTN liposomes was further evaluated in the chorioallantoic membrane (CAM) model and the results indicated that PDT induced vascular response was confined to the irradiated area leaving the non-irradiated unscathed.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Fotoquimioterapia / Neoplasias de Mama Triplo Negativas Limite: Humans Idioma: En Ano de publicação: 2022 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Fotoquimioterapia / Neoplasias de Mama Triplo Negativas Limite: Humans Idioma: En Ano de publicação: 2022 Tipo de documento: Article