In addition, during immunotherapy, several impediments (such as tumor-derived cytokine suppression, loss of danger signals and MHC class molecules, and reduced antigen expression) in the micro-tumor environment allow cancer cells to escape from immune surveillance [ 1- 5].
Structural impediments such as poverty are one thing, but low confidence and thwarted aspiration are also serious stumbling blocks to social mobility and personal success, he says.
But three common hurdles crop up all the time: cultural assumptions ("she'll leave as soon as she has children"), workplace biases (promotion through male self-promotion, for instance) and policy impediments (such as minimal paternity leave).
However, this brings its own impediments, such as the influence of the thermodynamic effects.
However, it is still a challenge due to some impediments such as absence of infrastructure (e.g., large cranes, road network) and inadequate grid integration ability.
He made his moves against institutional impediments such as the military, the judiciary, the education system, the diplomatic corps and the media.
Impediments, such as power dynamics within the health care system hinder nurses from demonstrating that they possess the essential ingredients of empowerment.
These impediments (such as var switching, low survival probabilities) appear substantial to explain the genetic field data that resistance to chloroquine and sulphadoxine pyrimthamine arises rarely (Hastings 2004).
