The evidence of a interplay between mitochondrial and NADPH oxidase-derived ROS constitutes a feed-forward cycle in which mitochondrial ROS increase NADPH oxidase-dependent ROS production that in turn increases mitochondrial ROS generation, in a vicious cycle.
The TGFβ1 PINK1 interaction could constitute a feed forward cycle that favors the perpetuation of fibrosis that is characteristic of the IPF lung.
Simply over-expressing Caspases in yeast is sufficient to lead to their activation in many cases [11], [12], [13], [14], presumably because upstream initiator Caspases are typically activated by dimerization and also because many Caspases are capable of cleaving and activating their zymogen forms, constituting a feed-forward mechanism for amplifying protease signaling (reviewed in [15]).
Thus, these processes would constitute a feed-forward loop that can contribute to genetic divergence by fueling the birth of new genes and accelerating their evolution.
Lu et al (2005) have proposed that various glucose metabolites promote HIF stabilisation and reduced expression of TCA cycle enzymes, thus constituting a feed-forward signalling mechanism favouring continued dependence on glycolysis as an energy source.
Then, they must test the theories on which the experimental results rest (which in Long's case included his initial view of what constitutes an efficient feeding behavior) in order to interpret them correctly.
Feeding time and DMI were recorded by automatic feed bins; RT was measured continuously by a measuring halter based on electromyography (Dairy Check BITSz Engineering GmbH, Zwickau, Germany), which constitutes a new approach regarding feeding behavior detection.
Trying to force your baby to conform to some preconceived notion of what constitutes a 'proper' gap between feeds or naps will place unnecessary stress on you and your child.
On first sight, this would constitute a positive feed-back loop that should lead to perpetuation of the myofibroblast phenotype after a limited TGF-β1 impact.
In brief, step-feed biofiltration constitutes a promising operational strategy capable of drastically reducing the operating costs of biofiltration due to a reduced energy consumption and an increased packing material lifespan.
