The N-terminal domain of α-dystroglycan, released as a 38 kDa protein, is increased in cerebrospinal fluid in patients with Lyme neuroborreliosis.

Abstract:

:α-Dystroglycan is an extracellular adhesion protein that is known to interact with different ligands. The interaction is thought to stabilize the integrity of the plasma membrane. The N-terminal part of α-dystroglycan may be proteolytically processed to generate a small 38 kDa protein (α-DG-N). The physiological significance of α-DG-N is unclear but has been suggested to be involved in nerve regeneration and myelination and to function as a potential biomarker for neurodegenerative and neuromuscular diseases. In this report we show that α-DG-N is released into different body fluids, such as lachrimal fluid, cerebrospinal fluid (CSF), urine and plasma. To investigate the significance of α-DG-N in CSF we examined the levels of α-DG-N and known neurodegenerative markers in CSF from patients diagnosed with Lyme neuroborreliosis (LNB) and healthy controls. In untreated acute phase LNB patients, 67% showed a significant increase of CSF α-DG-N compared to healthy controls. After treatment with antibiotics the CSF α-DG-N levels were normalized in the LNB patients.

authors

Hesse C,Johansson I,Mattsson N,Bremell D,Andreasson U,Halim A,Anckarsäter R,Blennow K,Anckarsäter H,Zetterberg H,Larson G,Hagberg L,Grahn A

doi

10.1016/j.bbrc.2011.07.129

subject

Has Abstract

pub_date

2011-09-02 00:00:00

pages

494-9

issue

3

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(11)01373-8

journal_volume

412

pub_type

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