Most depressive disorders are now thought to involve a mixture of reactive (so-called neurotic) factors and internal ("endogenous") factors; depression is seldom a simple genetic disease or a simple response to external troubles.
Secreted Wnts play crucial roles in synaptogenesis and synapse maintenance, but endogenous factors promoting synapse elimination in central neurons remain unknown.
However, deleterious microenvironmental and endogenous factors (e.g., oxidative stress) compromise ongoing graft survival and longevity.
The "endogenous" factors (those originating within the system) seem so much more important.
To the extent that section 2-606 does represent an actual shift to less formality on this question, the change is the result of endogenous factors.
The energy industry is localized, performing under a broader industry framework subjective to a list of exogenous and endogenous factors.
Alternatively, emulating the spatiotemporal cascade of endogenous factors through controlled drug delivery may provide superior bone regenerative approaches.
These antibodies did not completely predict neutralization capacity; other endogenous factors in human serum must be capable of lipopolysaccharide neutralization.
In this review, we discuss various endogenous factors that can positively impact the EPR effect in tumor tissues.
Jensen, E. V., De Sombre, E. R. & Jungblut, P. W. Endogenous Factors Influencing Host-Tumour Balance (eds Wissler, R. W., Dao, T. L. & Wood, S. Jr) 15 30 (University of Chicago Press, 1967).
In addition to exogenous DNA-damaging factors, such as heavy metals, chemicals, and cosmic rays, DNA damage is constantly caused by endogenous factors, including hydrolysis and exposure to ROS and other reactive metabolites35,36.
