I think that tight control stemmed from Washington's early awareness of the tense situation that had developed on the Korean Peninsula.
Even in a time of tight education budgets, stem funding is plentiful: the federal government currently contributes three billion dollars a year to stem-related curricula.
On the first weekend since Mr. Obama was elected president, several of his aides said his administration would attempt to roll back a number of Bush administration policies, including tight restrictions on stem cell research and a push for oil and gas drilling in Utah.
In view of the tight regulation on stem cells by various signals from both epithelial and mesenchymal cells [27], the marginally stable equation (1) hardly captures the homeostatic feature of the stem cells [28].
Homeostatic meristem activity requires a tight control of stem cell proliferation with the developmental and nutritional status of the entire organism.
Trouble was, tight lending terms stemming from the credit crisis and neighborhood opposition threw a wrench into owner Bruce Rattner's efforts to get the state-of-art Barclays Center built.
While some American states, notably California, have pressed ahead with stem-cell research, the federal government maintains a tight policy on embryonic stem cells which have more therapeutic potential, but which are also more controversial because they are often associated with abortion or cloning.
The underlying mechanisms are complex and tissue-dependent but require a tight interplay between macrophages, stem and progenitor cells, together with stromal cells to prevent fibrosis or scar formation, a pathophysiological condition that leads to ineffective and inappropriate tissue function.
The Not1 hairpin exhibits a complex conservation pattern, with near-perfect stem complementarity, tight positional conservation, and an associated conserved upstream AUG (uAUG), itself a tightly-suppressed [ 26] class of regulatory element.
To get the best out of them, cut the stems in tight bud when the petals are protected from bruising.
The initial decline in U.S. output in the summer of 1929 is widely believed to have stemmed from tight U.S. monetary policy aimed at limiting stock market speculation.
