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Università della Svizzera italiana

Epigenetics of T lymphocytes in health and disease

Leoni, Cristina ; Vincenzetti, Lucia ; Emming, Stefan ; Monticelli, Silvia

In: Swiss Medical weekly, 2015, vol. 145, p. w14191

The risk of developing autoimmune diseases depends on both genetic and environmental factors, with epigenetic mechanisms of regulation potentially translating environmental cues into stable modifications in gene expression. Such stable memory of a functional state has been deciphered into a number of molecular mechanisms that collectively define the epigenetic status of a cell. In recent years,...

Università della Svizzera italiana

miR-146a and NF-κB1 regulate mast cell survival and T lymphocyte differentiation

Rusca, Nicole ; Dehò, Lorenzo ; Montagner, Sara ; Zielinski, Christina E. ; Sica, Antonio ; Sallusto, Federica ; Monticelli, Silvia

In: Molecular and cellular biology, 2012, vol. 32, no. 21, p. 4432-4444

The transcription factor NF-κB regulates the expression of a broad number of genes central to immune and inflammatory responses. We identified a new molecular network that comprises specifically the NF-κB family member NF-κB1 (p50) and miR-146a, and we show that in mast cells it contributes to the regulation of cell homeostasis and survival, while in T lymphocytes it modulates T cell...

Università della Svizzera italiana

The contribution of active and passive mechanisms of 5mC and 5hmC removal in human T lymphocytes is differentiation- and activation-dependent

Vincenzetti, Lucia ; Leoni, Cristina ; Chirichella, Michele ; Kwee, Ivo ; Monticelli, Silvia

In: European Journal of Immunology, 2019, p. 1-15

In mammals, the 5’-methylcytosine (5mC) modification in the genomic DNA contributes to the dynamic control of gene expression. 5mC erasure is required for the activation of developmental programs and occurs either by passive dilution through DNA replication, or by enzymatic oxidation of the methyl mark to 5-hydroxymethylcytosine (5hmC), which can persist as such or undergo further oxidation...

Consortium of Swiss Academic Libraries

CD45 up-regulation during lymphocyte maturation

Kirberg, Jörg ; Broker, Thomas

In: International Immunology, 1996, vol. 8, no. 11, p. 1743-1749