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Understanding lactoferrin multifunctionality by analyzing the full spectrum of ...

Ferreira, Sofia; Guedes, Joana P.; Rocha, Juliana F.; Sousa, Sérgio F.; Rodrigues, L. R.; Côrte-Real, Manuela; Soares, Pedro; Cátia S. Pereira

Lactoferrin (LF) is a multifunctional protein involved in critical biological processes such as immune response, antimicrobial activity, and iron regulation [1]. Its diverse roles include inhibiting inflammation, infections, and carcinogenesis [2], as well as modulating cellular processes by targeting proton-pumping ATPases such as V-ATPases in cancer cells [3], F- ATPases in bacteria [4], and P-ATPases in yeas...


Acetic acid triggers cytochrome c release in yeast heterologously expressing hu...

Guedes, Joana P.; Baptista, Vitória; Cátia S. Pereira; Sousa, Maria João; Manon, Stéphen; Chaves, Susana R.; Côrte-Real, Manuela

Proteins of the Bcl-2 protein family, including pro-apoptotic Bax and anti-apoptotic Bcl-xL, are critical for mitochondrial-mediated apoptosis regulation. Since yeast lacks obvious orthologs of Bcl-2 family members, heterologous expression of these proteins has been used to investigate their molecular and functional aspects. Active Bax is involved in the formation of mitochondrial outer membrane pores, through ...


How can a milk protein selectively kill cancer cells? Mechanisms underlying lac...

Pereira, Cátia S.; Guedes, Joana P.; Chaves, Susana R.; Gerós, Hernâni; Rodrigues, L. R.; Côrte-Real, Manuela

Lactoferrin (Lf) is an iron-binding protein abundant in milk that has been shown to exhibit anticancer activity. Since Lf is non-toxic to cancer cells (1) and is well tolerated in humans (2), this protein has a huge potential to be used in cancer therapy. However, the targets and mechanisms underlying its selective anticancer activity are poorly elucidated, which limits its clinical exploitation. The recruitmen...


Deciphering the mechanisms underlying bovine milk lactoferrin anticancer activi...

Pereira, Cátia Sofia Santos; Guedes, Joana P.; Chaves, Susana Alexandra Rodrigues; Andrés, María T.; Fierro, José F.; Gerós, H.; Rodrigues, L. R.

Lactoferrin (Lf) is a milk derived iron-binding protein that exhibits a broad range of interesting biological activities, from which its anticancer and antifungal activities stand out. Our group has been elucidating the mechanisms and identifying the molecular targets underlying Lf anticancer/antifungal activities in order to improve its therapeutic efficacy and rational application. Indeed, we previously demon...


Bovine milk lactoferrin selectively kills highly metastatic prostate cancer PC-...

Guedes, Joana P.; Pereira, Cátia Sofia Santos; Rodrigues, L. R.; Côrte-Real, Manuela

Prostate cancer and osteosarcoma are the second most common type of cancer affecting men and the fifth most common malignancy among adolescents, respectively. The use of non-toxic natural or natural-derived products has been one of the current strategies for cancer therapy, owing to the reduced risks of induced-chemoresistance development and absence of secondary effects. In this perspective, lactoferrin (Lf), ...


Exploring a novel effect of lactoferrin on the plasma membrane towards the eluc...

Pereira, Cátia Sofia Santos; Guedes, Joana P.; Chaves, Susana R.; Gerós, H.; Rodrigues, L. R.; Côrte-Real, Manuela


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