4.3 Article Proceedings Paper

Bovine lactoferrin and lactoferrin peptides affect endometrial and cervical cancer cell lines

Journal

BIOCHEMISTRY AND CELL BIOLOGY
Volume 99, Issue 1, Pages 149-158

Publisher

CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/bcb-2020-0074

Keywords

lactoferrin; lactoferrin peptides; cancer; apoptosis

Funding

  1. CONACYT [CB-2014-236546]
  2. PROFAPI-UAS [2014/105, 2015/141]

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This study focused on the effect of bovine lactoferrin (bLF) and LF peptides on cervical and endometrial cancer cell lines, finding that they inhibited cell proliferation and caused cellular morphological changes and damage. bLF induced apoptosis, LFcin17-30 and LFampin265-284 induced both apoptosis and necrosis, while LF chimera induced necrosis. Additionally, bLF and LF chimera showed an additive interaction with cisplatin against uterine cancer cells.
Cervical, uterine, and ovarian cancers are the most common malignancies of the female genital tract worldwide. Despite advances in prevention, early diagnosis, effective screening, and treatment programs, mortality remains high. Consequently, it is important to search for new treatments. The activity of bovine lactoferrin (bLF) and LF peptides against several types of cancer has been studied; however, only a few studies report the effect of bLF and LF peptides against cervical and endometrial cancers. In this study, we explored the effect of bLF as well as LF chimera and its constituent peptides LFcin17-30 and LFampin265-284 on the viability of cervical (HeLa, SiHa) and endometrial (KLE, HEC-1A) cancer cell lines. Cell proliferation was quantified with an MTT assay, cell morphological changes and damage were determined by Giemsa and phalloidin-TRITC and DAPI staining, and apoptotic and necrotic cells were identified by Alexa Fluor (R) 488 Annexin V and propidium iodide staining. Additionally, the effect of combinations of bLF and LF peptides with cisplatin was assessed. bLF and LF peptides inhibited the proliferation of uterine cancer cells and caused cellular morphological changes and damage to cell monolayers. bLF induced apoptosis, LFcin17-30 and LFampin265-284 induced apoptosis and necrosis, and LF chimera induced necrosis. Additionally, bLF and LF chimera showed an additive interaction with cisplatin against uterine cancer cells.

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