Yesterday Turkish authorities banned access to Twitter and YouTube after an Istanbul judge imposed a block on access to social media sites showing photographs of the prosecutor taken hours before he was killed.
In a post on his Telegram channel yesterday, Durov said the authorities had "imposed a block on Telegram", adding that it is "not clear whether permanent or temporary".
As VEGFR2 has been shown to reside in a sorting endosomal compartment and to recycle to the cell surface upon VEGF stimulation [41], [42], absence of EHD3 and EHD4 in glomerular endothelial cells might be expected to impose a block to its recycling and thus disrupt its signaling.
The targeting of CyclinE results in proteasomal degradation and thereby imposes a block in G1 S progression.
Rb imposes a block on G1 progression that is alleviated by its phosphorylation (Ohtani et al, 2004).
Reduced levels of L-tryptophan suppress lymphocyte proliferation and, simultaneously, high levels of L-kynurenine impose a block on proliferation as well.
An intriguing interpretation of cell senescence postulates that this unique phenotype emerges when a cell integrates two types of signals: one that reads for growth and one that imposes a block in the replicative cycle [ 20, 21].
In recent years, our studies with the genetically tractable organism Drosophila melanogaster led to the identification of two independent retrograde signaling pathways that are activated upon mitochondrial dysfunction and impose a block in G1 S progression during the cell cycle (Mandal et al. 2005; Liao et al. 2006).
The cytotoxic activity of antitubulin chemotherapeutics depends on actively proliferating cells, as they primarily trigger cell death by imposing a mitotic block.
A randomized block design, stratified by hospital and research nurse, is used to ensure equal distribution of both treatments while ensuring by imposing a variable, random block size that the next treatment is not predictable for the surgeon.
