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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Sci+Rep
2018 ; 8
(1
): 8053
Nephropedia Template TP
gab.com Text
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English Wikipedia
TGF-? concentrations and activity are down-regulated in the aqueous humor of
patients with neovascular age-related macular degeneration
#MMPMID29795291
Tosi GM
; Neri G
; Caldi E
; Fusco F
; Bacci T
; Tarantello A
; Nuti E
; Marigliani D
; Baiocchi S
; Traversi C
; Barbarino M
; Eandi CM
; Parolini B
; Mundo L
; Santucci A
; Orlandini M
; Galvagni F
Sci Rep
2018[May]; 8
(1
): 8053
PMID29795291
show ga
Controversy still exists regarding the role of the TGF-? in neovascular
age-related macular degeneration (nAMD), a major cause of severe visual loss in
the elderly in developed countries. Here, we measured the concentrations of
active TGF-?1, TGF-?2, and TGF-?3 by ELISA in the aqueous humor of 20 patients
affected by nAMD, who received 3 consecutive monthly intravitreal injections of
anti-VEGF-A antibody. Samples were collected at baseline (before the first
injection), month 1 (before the second injection), and month 2 (before the third
injection). The same samples were used in a luciferase-based reporter assay to
test the TGF-? pathway activation. Active TGF-?1 concentrations in the aqueous
humor were below the minimum detectable dose. Active TGF-?2 concentrations were
significantly lower at baseline and at month 1, compared to controls. No
significant differences in active TGF-?3 concentration were found among the
sample groups. Moreover, TGF-? pathway activation was significantly lower at
baseline compared to controls. Our data corroborate an anti-angiogenic role for
TGF-?2 in nAMD. This should be considered from the perspective of a therapy using
TGF-? inhibitors.