Cathepsin K deficiency in mice induces structural and metabolic changes in the central nervous system that are associated with learning and memory deficits.

BMC Neurosci · 2011 · PMC3199875 · PMID 21794126

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did not reach statistical significanceno p-value reported

Results showed an average increase of 40% in the amount of dopamine in Ctsk -/- mice, however, this ascending trend did not reach statistical significance.

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