Pathway analysis is a rapidly developing discipline that combines
software
tools, database models, and computational algorithms — all of which
help
molecular biologists to convert molecular interaction data into a set
of
computational models. The models are developed for better prediction of
cell behavior in response to a drug, nutrients, or other outside
stimuli. The development of pathway analysis was triggered by the
expansion of high -
throughput methods and the completion of human genome sequencing
project.
Because of these technological advances, the emphasis of molecular
biology
has shifted from reductionism to system integration.

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