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Università della Svizzera italiana

Label-free biosensor detection of endocrine disrupting compounds using engineered estrogen receptors

La Spina, Rita ; Ferrero, Valentina E. V. ; Aiello, Venera ; Pedotti, Mattia ; Varani, Luca ; Lettieri, Teresa ; Calzolai, Luigi ; Haasnoot, Willem ; Colpo, Pascal

In: Biosensors, 2018, vol. 8, no. 1, p. 1-15

Endocrine Disrupting Compounds (EDCs) are chemical substances shown to interfere with endogenous hormones affecting the endocrine, immune and nervous systems of mammals. EDCs are the causative agents of diseases including reproductive disorders and cancers. This highlights the urgency to develop fast and sensitive methods to detect EDCs, which are detrimental even at very low concentrations....

Università della Svizzera italiana

Mutually exclusive redox forms of HMGB1 promote cell recruitment or proinflammatory cytokine release

Venereau, Emilie ; Casalgrandi, Maura ; Schiraldi, Milena ; Antoine, Daniel J. ; Cattaneo, Angela ; De Marchis, Francesco ; Liu, Jaron ; Antonelli, Antonella ; Preti, Alessandro ; Raeli, Lorenzo ; Samadi Shams, Sara ; Yang, Huan ; Varani, Luca ; Andersson, Ulf ; Tracey, Kevin J. ; Bachi, Angela ; Uguccioni, Mariagrazia ; Bianchi, Marco E.

In: The journal of experimental medicine, 2012, vol. 209, no. 9, p. 1519-1528

Tissue damage causes inflammation, by recruiting leukocytes and activating them to release proinflammatory mediators. We show that high-mobility group box 1 protein (HMGB1) orchestrates both processes by switching among mutually exclusive redox states. Reduced cysteines make HMGB1 a chemoattractant, whereas a disulfide bond makes it a proinflammatory cytokine and further cysteine oxidation to...

Università della Svizzera italiana

The Tim-3-Galectin-9 Pathway and Its Regulatory Mechanisms in Human Breast Cancer

Yasinska, Inna M. ; Sakhnevych, Svetlana S. ; Pavlova, Ludmila ; Hansen Selnø, Anette Teo ; Teuscher Abeleira, Ana Maria ; Benlaouer, Ouafa ; Gonçalves Silva, Isabel ; Mosimann, Marianne ; Varani, Luca ; Bardelli, Marco ; Hussain, Rohanah ; Siligardi, Giuliano ; Cholewa, Dietmar ; Berger, Steffen M. ; Gibbs, Bernhard F. ; Ushkaryov, Yuri A. ; Fasler-Kan, Elizaveta ; Klenova, Elena ; Sumbayev, Vadim V.

In: Frontiers in immunology, 2019, vol. 10, p. 1594

Human cancer cells operate a variety of effective molecular and signaling mechanisms which allow them to escape host immune surveillance and thus progress the disease. We have recently reported that the immune receptor Tim-3 and its natural ligand galectin-9 are involved in the immune escape of human acute myeloid leukemia (AML) cells. These cells use the neuronal receptor latrophilin 1...