Browsing by Issue Date, starting with "2017-04-29"
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- Tonsillar ulceration as manifestation of disseminated African histoplasmosis in an immunocompetent Portuguese hostPublication . Cardoso, L.; Silva, C.; Marques, N.; Veríssimo, CristinaHistoplasmosis is a systemic mycosis caused by Histoplasma capsulatum. Rare in Europe but endemic in some regions of Brazil, United States, Africa and Asia. Most of the cases are asymptomatic. Disseminated form is defined by the presence of an extra-pulmonary focus, particularly associated with immunosuppression. We report a case of an unilateral persisted tonsillar ulceration, in an immunocompetent Portuguese host, as manifestation of disseminated African histoplasmosis 45 years later after living 3 years in Africa.
- Oleuropein and Cancer Chemoprevention: the Link is HotPublication . Ahmad Farooqi, Ammad; Fayyaz, Sundas; Silva, Ana Sanches; Sureda, Antoni; Nabavi, Seyed Fazel; Mocan, Andrei; Nabavi, Seyed Mohammad; Bishayee, AnupamCancer comprises a collection of related diseases characterized by the existence of altered cellular pathways resulting in an abnormal tendency for uncontrolled growth. A broad spectrum, coordinated, and personalized approach focused on targeting diverse oncogenic pathways with low toxicity and economic natural compounds can provide a real benefit as a chemopreventive and/or treatment of this complex disease. Oleuropein, a bioactive phenolic compound mainly present in olive oil and other natural sources, has been reported to modulate several oncogenic signalling pathways. This review presents and critically discusses the available literature about the anticancer and onco-suppressive activity of oleuropein and the underlying molecular mechanisms implicated in the anticarcinogenic and therapeutic effects. The existence of limitations and the promising perspectives of research on this phenolic compound are also critically analyzed and discussed.