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2017 ; 7
(ä): 43545
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Promoting in vivo remyelination with small molecules: a neuroreparative
pharmacological treatment for Multiple Sclerosis
#MMPMID28256546
Medina-Rodríguez EM
; Bribián A
; Boyd A
; Palomo V
; Pastor J
; Lagares A
; Gil C
; Martínez A
; Williams A
; de Castro F
Sci Rep
2017[Mar]; 7
(ä): 43545
PMID28256546
show ga
Multiple Sclerosis (MS) is a neurodegenerative disease where immune-driven
demyelination occurs with inefficient remyelination, but therapies are limited,
especially those to enhance repair. Here, we show that the dual phosphodiesterase
(PDE)7- glycogen synthase kinase (GSK)3 inhibitor, VP3.15, a heterocyclic small
molecule with good pharmacokinetic properties and safety profile, improves in
vivo remyelination in mouse and increases both adult mouse and adult human
oligodendrocyte progenitor cell (OPC) differentiation, in addition to its immune
regulatory action. The dual inhibition is synergistic, as increasing
intracellular levels of cAMP by cyclic nucleotide PDE inhibition both suppresses
the immune response and increases remyelination, and in addition, inhibition of
GSK3 limits experimental autoimmune encephalomyelitis in mice. This combination
of an advantageous effect on the immune response and an enhancement of repair,
plus demonstration of its activity on adult human OPCs, leads us to propose dual
PDE7-GSK3 inhibition, and specifically VP3.15, as a neuroprotective and
neuroreparative disease-modifying treatment for MS.
|Animals
[MESH]
|Cell Differentiation/drug effects
[MESH]
|Cell Proliferation/drug effects
[MESH]
|Cell Survival/drug effects
[MESH]
|Cells, Cultured
[MESH]
|Cyclic Nucleotide Phosphodiesterases, Type 7/antagonists & inhibitors
[MESH]