Under circumstances of increased cellular stress, such as active infections, malignancies and tissue trauma, increased amounts of DNA can be observed within the circulation, suggesting that the capacity for DNA elimination is exceeded [14], [15], [16].
Although, endothelial cells usually do not express PDGFRβ in high quantities and the relevance of this receptor is unclear in resting endothelium, the current literature is provides evidence that PDGFRβ is up-regulated under circumstances of increased angiogenesis [25], [26].
Under circumstances of increased intestinal permeability, it is likely that greater quantities of dietary AGEs and their reactive dicarbonyl precursors may be able to gain entry into the systemic circulation.
A consequence of the decreased transmenbrane potential is reduced electromotive force for ATP generation, which may become relevant under circumstances of increased energetic demand, as occurs with pacing induced heart failure [ 15, 29].
At the same time, a number were retained, being transformed to serve new purposes in the changed circumstances of increasing urbanization and industrialization.
Many circumstances capable of increasing DAn vulnerability present a toxic action which is not traumatic enough to induce clinical signs of PD in the short term ('silent toxics').
8 It is not known whether the occurrence of unintentional weight loss in older people living in these circumstances is an indicator of increased risk of mortality or of the need for higher levels of care.
In spite of numerous methodologic limitations resulting from circumstance or design, a consistent pattern of increased risk for loss is suggested by the epidemiologic literature.
In these circumstances, there is a real possibility of increased crack growth rates due to combined corrosion fatigue.
We held that in those circumstances a plain showing was necessary of increased depletion and substantial injury to warrant a decree which would disrupt the economy of the up-stream State built around irrigation.
