repressing

Maduro - who is leader of the United Socialist Party and succeeded Hugo Chavez in 2013 - has been repeatedly accused of repressing opposition groups and silencing dissent in Venezuela, including with the use of violence.

The worry for Mavka and people close to her is that if Kyiv does agree a ceasefire it could mean Russia pursuing the same policy as in Crimea, erasing Ukrainian identity and repressing the population.

The sanctions were previously imposed on people involved in repressing civilians in Syria, as well as those supporting or benefitting from the Assad regime.

"MiRNAs are small RNA molecules that do not encode proteins like most genes do, yet they play essential roles in gene regulation by repressing the expression of target genes," added Dr Tian.

Instead of repressing tumor-suppressor genes, this form of EZH2 drives rapid protein production and activates growth factors like TGF-β, fostering an environment around the tumor that promotes cancer progression despite androgen receptor inhibition.