Sebastian M.B. Nijman

TL;DR: The cloned gene encoding a guanine-nucleotide-exchange factor (GEF) for Rap1 is named Epac, which contains a cAMP-binding site and a domain that is homologous to domains of known GEFs for Ras and Rap1 that is regulated directly by cAMP.

TL;DR: An inventory of the deubiquitinating enzymes encoded in the human genome is presented and the literature concerning these enzymes is reviewed, with particular emphasis on their function, specificity, and the regulation of their activity.

TL;DR: It is reported here that inhibition of one of these enzymes, the familial cylindromatosis tumour suppressor gene (CYLD), having no known function, enhances activation of the transcription factor NF-κB, and this effect can be relieved by aspirin derivatives that inhibit NF-σB activity.

TL;DR: Three robust HCC subclasses are observed, each correlated with clinical parameters such as tumor size, extent of cellular differentiation, and serum alpha-fetoprotein levels, and it is indicated that S1 reflected aberrant activation of the WNT signaling pathway, S2 was characterized by proliferation as well as MYC and AKT activation, and S3 was associated with hepatocyte differentiation.

TL;DR: It is proposed that USP1 deubiquitinates FANCD2 when cells exit S phase or recommence cycling after a DNA damage insult and may play a critical role in the FA pathway by recycling FAN CD2.