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HIV-associated motor neuron disease: HERV-K activation and response to antiretroviral therapy.


ABSTRACT:

Objective

To determine whether there is activation of human endogenous retrovirus K (HERV-K) in amyotrophic lateral sclerosis in HIV infection and whether it might respond to treatment with antiretroviral drugs.

Methods

In this case series, we present 5 patients with HIV infection who subsequently developed motor neuron disease involving both upper and lower motor neurons. We monitored HERV-K levels in plasma of 4 of these patients.

Results

Three patients who received antiretroviral therapy had reversal of symptoms within 6 months of onset of neurologic symptoms and the other 2 had slow neurologic progression over several years. Three patients in whom the levels were measured at onset of neurologic symptoms showed elevated HERV-K levels that responded to optimization of antiretroviral therapy for CNS penetration.

Conclusions

Thus, motor neuron disease in individuals with HIV infection may a treatable entity, but early treatment with CNS-penetrating antiretroviral therapy may be necessary. Monitoring of HERV-K levels may help guide treatment.

SUBMITTER: Bowen LN 

PROVIDER: S-EPMC5089528 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Publications

HIV-associated motor neuron disease: HERV-K activation and response to antiretroviral therapy.

Bowen Lauren N LN   Tyagi Richa R   Li Wenxue W   Alfahad Tariq T   Smith Bryan B   Wright Mary M   Singer Elyse J EJ   Nath Avindra A  

Neurology 20160924 17


<h4>Objective</h4>To determine whether there is activation of human endogenous retrovirus K (HERV-K) in amyotrophic lateral sclerosis in HIV infection and whether it might respond to treatment with antiretroviral drugs.<h4>Methods</h4>In this case series, we present 5 patients with HIV infection who subsequently developed motor neuron disease involving both upper and lower motor neurons. We monitored HERV-K levels in plasma of 4 of these patients.<h4>Results</h4>Three patients who received antir  ...[more]

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