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2015 ; 58
(15
): 5863-88
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Bicyclic 3 3 0 -Octahydrocyclopenta c pyrrolo Antagonists of Retinol Binding
Protein 4: Potential Treatment of Atrophic Age-Related Macular Degeneration and
Stargardt Disease
#MMPMID26181715
Cioffi CL
; Racz B
; Freeman EE
; Conlon MP
; Chen P
; Stafford DG
; Schwarz DM
; Zhu L
; Kitchen DB
; Barnes KD
; Dobri N
; Michelotti E
; Cywin CL
; Martin WH
; Pearson PG
; Johnson G
; Petrukhin K
J Med Chem
2015[Aug]; 58
(15
): 5863-88
PMID26181715
show ga
Antagonists of retinol-binding protein 4 (RBP4) impede ocular uptake of serum
all-trans retinol (1) and have been shown to reduce cytotoxic bisretinoid
formation in the retinal pigment epithelium (RPE), which is associated with the
pathogenesis of both dry age-related macular degeneration (AMD) and Stargardt
disease. Thus, these agents show promise as a potential pharmacotherapy by which
to stem further neurodegeneration and concomitant vision loss associated with
geographic atrophy of the macula. We previously disclosed the discovery of a
novel series of nonretinoid RBP4 antagonists, represented by bicyclic
[3.3.0]-octahydrocyclopenta[c]pyrrolo analogue 4. We describe herein the
utilization of a pyrimidine-4-carboxylic acid fragment as a suitable isostere for
the anthranilic acid appendage of 4, which led to the discovery of standout
antagonist 33. Analogue 33 possesses exquisite in vitro RBP4 binding affinity and
favorable drug-like characteristics and was found to reduce circulating plasma
RBP4 levels in vivo in a robust manner (>90%).
|Animals
[MESH]
|Bridged Bicyclo Compounds/chemistry/pharmacokinetics/*therapeutic use
[MESH]