Thus, partial reversal of the peptide bonds of the backbone can result in peptides with enhanced activity compared to a parent compound, provide that the structural complementarity of both the side chains and end groups are conserved. (science.sciencemag.org)
Partial reversal of the effect of maternal care on cognitive function through environmental enrichment (cambridge.org)
(After that point, according to Ruhm, «there may even be some partial reversal of those gains.») (slate.com)