The microRNA (miRNA) let-7 is broadly expressed in somatic cells and regulates cellular proliferation and differentiation, as well as the repression of several oncogenes and key regulators of ...

Background and aims Human activities have significantly increased nitrogen (N) and phosphorous (P) inputs to terrestrial ecosystems. However, the impact of N and P enrichment on soil microbial ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 70, No. 9 (1973), pp. 2637-2641 (5 pages) The ability of histones to block the accessibility of DNA in chromatin ...

Tools to assess disease activity and changes in disease activity are essential in order to evaluate patients in clinical care and to assess and compare outcomes in treatment trials. A new paper on the ...