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(diˈfɒs fər əˈleɪ ʃən)

1. the removal of a phosphate group from an organic compound.
2. the resulting state or condition.
[1930–35; de- + phosphoryl the radical PO + -ation]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Activated SHP-1 down-modulates BCR signaling by dephosphorylating various BCR signaling molecules including SLP65/BLNK.
SHP2 also suppresses T-cell activity against growing tumors through regulation of the adaptive immune response by binding to PD-1 and dephosphorylating CD28 and the protein LCK.
If PP1 is suppressed, cycle protein RB cannot perform dephosphorylating, and then the block of G2/M appears.
In view of the nature of dephosphorylating kinases, this study hypothesized that the functional role of cantharidin might be closely related to kinase pathways.
Insulin activates glycogen synthase phosphatase, which is responsible for dephosphorylating and activating glycogen synthase.
Upon activation by the adipogenic stimulus rosiglitazone, PP5 is recruited to positively modulate the activity of PPAR[gamma] by dephosphorylating PPAR[gamma] at serine-112 residue [26, 90].
PTP-1B antagonizes the action of adipose-secreting hormone leptin by directly dephosphorylating the leptin receptor-associated Janus kinase 2 [2, 3].
Nuclear DUSP5 has been proposed to modulate T cell development and activation [62] and Cytosolic DUSP6 has been proposed to decrease T cell sensitivity by dephosphorylating ERK and, consequently, inhibiting the Lck-ERK positive feedback loop established upon strong T cell stimulation [63].
By dephosphorylating the D3 position of PIP3, those authors proposed that PTEN antagonized the phosphatidylinositide 3-kinase (PI3K) pathway, a notion realized through the data reported by Stambolic et al.
It acts as a negative regulator of PI3 K by dephosphorylating phosphatidylinositol 3,4,5 triphosphate, inactivating downstream effectors, notably Akt (Seront et al., 2013).