当前位置： SCI文献检索 > JOURNAL OF NEUROVIROLOGY期刊下所有文献 > HTLV-1 proviral load in cerebrospinal fluid may not be a good marker to differentiate asymptomatic carriers with high proviral load in blood from HAM/TSP patients.

HTLV-1 proviral load in cerebrospinal fluid may not be a good marker to differentiate asymptomatic carriers with high proviral load in blood from HAM/TSP patients.

Abstract：

:An elevated human T cell leukemia virus type 1 (HTLV-1) proviral load (PVL) is an important risk factor for HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP), although there is a considerable frequency of asymptomatic carriers (AC) with high PVL in blood. Our objective was to evaluate whether PVL quantified in cerebrospinal fluid (CSF) is helpful to distinguish AC from HAM when AC have high PVL in blood (ACH). ACH (n = 7) were characterized to have high PVL in blood by quantification of samples collected over time (mean 7 years). HAM patients (n = 14) also had analyzed blood samples collected at different times (mean 9 years). Comparing paired CSF and blood samples of each individual, CSF PVL mean was 4.7-fold higher than blood PVL in the ACH group and 10.8-fold in the HAM group. CSF PVL was significantly greater than blood PVL in the HAM group (p = 0.004), but not in the ACH group. Important to highlight, CSF PVL was not significantly different between the ACH and the HAM groups. These results suggested that significantly higher PVL in CSF than in blood is a hallmark of HAM/TSP patients, but this is also true for asymptomatic carriers with high PVL in blood, thus reducing its usefulness as a marker for HAM/TSP. A greater number of ACH should be analyzed, but whether they will eventually develop HAM/TSP or why they have not developed the disease are still questions to be clarified. Longitudinal studies are necessary to answer these questions.

journal_name

J Neurovirol

journal_title

Journal of neurovirology

authors

Martins ML,de Freitas Carneiro-Proietti AB,Nicolato R,de Miranda DM,Romanelli LCF

doi

10.1007/s13365-018-0632-6

subject

Has Abstract

pub_date

2018-08-01 00:00:00

pages

432-438

issue

4

eissn

1355-0284

issn

1538-2443

pii

10.1007/s13365-018-0632-6

journal_volume

24

pub_type

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