Curcumin Targeted, Polymalic Acid-Based MRI Contrast Agent for the Detection of Aβ Plaques in Alzheimer's Disease.

Abstract:

:Currently, there is no gadolinium-based contrast agent available for conventional magnetic resonance imaging (MRI) detection of amyloidal beta (Aβ) plaques in Alzheimer's disease (AD). Its timely finding would be vital for patient survival and quality of life. Curcumin (CUR), a common Indian spice effectively binds to Aβ plaques which is a hallmark of AD. To address this binding, we have designed a novel nanoimaging agent (NIA) based on nature-derived poly(β-l-malic acid) (PMLA) containing covalently attached gadolinium-DOTA(Gd-DOTA) and nature-derived CUR. The all-in-one agent recognizes and selectively binds to Aβ plaques and is detected by MRI. It efficiently detected Aβ plaques in human and mouse samples by an ex vivo staining. The method can be useful in clinic for safe and noninvasive diagnosis of AD.

journal_name

Macromol Biosci

authors

Patil R,Gangalum PR,Wagner S,Portilla-Arias J,Ding H,Rekechenetskiy A,Konda B,Inoue S,Black KL,Ljubimova JY,Holler E

doi

10.1002/mabi.201500062

subject

Has Abstract

pub_date

2015-09-01 00:00:00

pages

1212-7

issue

9

eissn

1616-5187

issn

1616-5195

journal_volume

15

pub_type

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