Determinants of epidermal nerve fibre density in antiretroviral‐naïve HIV‐infected individuals

Objectives Distal leg epidermal nerve fibre density (ENFD) is a validated predictor of small unmyelinated nerve fibre damage and neuropathy risk in HIV infection. As pre‐existing damage may increase the risk of neuropathy following antiretroviral (ARV) therapy, particularly when the regimen contains...

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Veröffentlicht in:HIV medicine 2012-11, Vol.13 (10), p.602-608
Hauptverfasser: Shikuma, CM, Gerschenson, M, Ananworanich, J, Valcour, VG, Teeratakulpisarn, N, Jadwattanakul, T, DeGruttola, V, Liang, C‐Y, McArthur, JC, Ebenezer, GJ, Chomchey, N, Praihirunkit, P, Hongchookiath, P, Mathajittiphun, P, Nakamoto, B, Hauer, P, Phanuphak, P, Phanuphak, N
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container_end_page 608
container_issue 10
container_start_page 602
container_title HIV medicine
container_volume 13
creator Shikuma, CM
Gerschenson, M
Ananworanich, J
Valcour, VG
Teeratakulpisarn, N
Jadwattanakul, T
DeGruttola, V
Liang, C‐Y
McArthur, JC
Ebenezer, GJ
Chomchey, N
Praihirunkit, P
Hongchookiath, P
Mathajittiphun, P
Nakamoto, B
Hauer, P
Phanuphak, P
Phanuphak, N
description Objectives Distal leg epidermal nerve fibre density (ENFD) is a validated predictor of small unmyelinated nerve fibre damage and neuropathy risk in HIV infection. As pre‐existing damage may increase the risk of neuropathy following antiretroviral (ARV) therapy, particularly when the regimen contains stavudine (d4T), we assessed the relationship between ENFD and various parameters including mitochondrial factors in HIV‐infected Thai individuals naïve to ARV therapy. Methods Distal leg and proximal thigh ENFDs were quantified in HIV‐infected Thai individuals without neuropathy prior to randomization to a HIV clinical trial that focused on mitochondrial toxicity issues. We assessed their association with various clinical and immunovirological parameters as well as with peripheral blood mononuclear cell (PBMC) mitochondrial (mt) DNA copies/cell, oxidative phosphorylation (OXPHOS) complex I (CI) and complex IV (CIV) enzyme activities, and mt 8‐oxo‐deoxyguanine (8‐oxo‐dG) break frequencies. Results In 132 subjects, the median (interquartile range) ENFD (fibres/mm) values were 21.0 (16.2–26.6) for the distal leg and 31.7 (26.2–40.0) for the proximal thigh. By linear regression, lower CD4 count (P 
doi_str_mv 10.1111/j.1468-1293.2012.01024.x
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As pre‐existing damage may increase the risk of neuropathy following antiretroviral (ARV) therapy, particularly when the regimen contains stavudine (d4T), we assessed the relationship between ENFD and various parameters including mitochondrial factors in HIV‐infected Thai individuals naïve to ARV therapy. Methods Distal leg and proximal thigh ENFDs were quantified in HIV‐infected Thai individuals without neuropathy prior to randomization to a HIV clinical trial that focused on mitochondrial toxicity issues. We assessed their association with various clinical and immunovirological parameters as well as with peripheral blood mononuclear cell (PBMC) mitochondrial (mt) DNA copies/cell, oxidative phosphorylation (OXPHOS) complex I (CI) and complex IV (CIV) enzyme activities, and mt 8‐oxo‐deoxyguanine (8‐oxo‐dG) break frequencies. Results In 132 subjects, the median (interquartile range) ENFD (fibres/mm) values were 21.0 (16.2–26.6) for the distal leg and 31.7 (26.2–40.0) for the proximal thigh. By linear regression, lower CD4 count (P &lt; 0.01), older age (P &lt; 0.01), increased body mass index (BMI) (P = 0.04), increased height (P = 0.02), and higher PBMC OXPHOS activity as measured by CIV activity (P = 0.02) were associated with lower distal leg ENFD. Conclusions Older age, increased height, higher BMI, poorer immunological status and higher PBMC OXPHOS activity are associated with lower distal leg ENFD in HIV‐infected subjects free of neuropathy prior to initiation of first‐time ARV therapy.</description><identifier>ISSN: 1464-2662</identifier><identifier>EISSN: 1468-1293</identifier><identifier>DOI: 10.1111/j.1468-1293.2012.01024.x</identifier><identifier>PMID: 22574621</identifier><language>eng</language><publisher>England</publisher><subject>Adult ; Age Distribution ; Anti-HIV Agents - administration &amp; dosage ; Anti-HIV Agents - adverse effects ; antiretroviral naïve ; Antiviral agents ; Body Mass Index ; CD4 antigen ; Clinical trials ; Cytochrome-c oxidase ; DNA ; Electron transport chain ; Enzymes ; epidermal nerve fibre density ; Female ; Geriatrics ; HIV ; HIV Seropositivity - drug therapy ; HIV Seropositivity - epidemiology ; HIV Seropositivity - physiopathology ; Human immunodeficiency virus ; Humans ; Infection ; Leg ; Male ; Mitochondria ; Mitochondrial DNA ; Nerve Fibers - pathology ; Nerves ; Neuropathy ; Neurotoxicity Syndromes - epidemiology ; Neurotoxicity Syndromes - etiology ; Neurotoxicity Syndromes - physiopathology ; Oxidative phosphorylation ; Peripheral blood mononuclear cells ; Peripheral Nervous System Diseases - chemically induced ; Peripheral Nervous System Diseases - epidemiology ; Peripheral Nervous System Diseases - physiopathology ; Polyneuropathies - epidemiology ; Polyneuropathies - etiology ; Polyneuropathies - physiopathology ; Predictive Value of Tests ; Stavudine ; Stavudine - adverse effects ; Thailand - epidemiology ; Toxicity</subject><ispartof>HIV medicine, 2012-11, Vol.13 (10), p.602-608</ispartof><rights>2012 British HIV Association</rights><rights>2012 British HIV Association.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5074-7eabe9b09d47655853602405b3a479e22a30cd0ec305ce3320452b0e11f7966b3</citedby><cites>FETCH-LOGICAL-c5074-7eabe9b09d47655853602405b3a479e22a30cd0ec305ce3320452b0e11f7966b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1468-1293.2012.01024.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1468-1293.2012.01024.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,1427,27901,27902,45550,45551,46384,46808</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22574621$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Shikuma, CM</creatorcontrib><creatorcontrib>Gerschenson, M</creatorcontrib><creatorcontrib>Ananworanich, J</creatorcontrib><creatorcontrib>Valcour, VG</creatorcontrib><creatorcontrib>Teeratakulpisarn, N</creatorcontrib><creatorcontrib>Jadwattanakul, T</creatorcontrib><creatorcontrib>DeGruttola, V</creatorcontrib><creatorcontrib>Liang, C‐Y</creatorcontrib><creatorcontrib>McArthur, JC</creatorcontrib><creatorcontrib>Ebenezer, GJ</creatorcontrib><creatorcontrib>Chomchey, N</creatorcontrib><creatorcontrib>Praihirunkit, P</creatorcontrib><creatorcontrib>Hongchookiath, P</creatorcontrib><creatorcontrib>Mathajittiphun, P</creatorcontrib><creatorcontrib>Nakamoto, B</creatorcontrib><creatorcontrib>Hauer, P</creatorcontrib><creatorcontrib>Phanuphak, P</creatorcontrib><creatorcontrib>Phanuphak, N</creatorcontrib><creatorcontrib>SEARCH 003 protocol team</creatorcontrib><creatorcontrib>the SEARCH 003 protocol team</creatorcontrib><title>Determinants of epidermal nerve fibre density in antiretroviral‐naïve HIV‐infected individuals</title><title>HIV medicine</title><addtitle>HIV Med</addtitle><description>Objectives Distal leg epidermal nerve fibre density (ENFD) is a validated predictor of small unmyelinated nerve fibre damage and neuropathy risk in HIV infection. As pre‐existing damage may increase the risk of neuropathy following antiretroviral (ARV) therapy, particularly when the regimen contains stavudine (d4T), we assessed the relationship between ENFD and various parameters including mitochondrial factors in HIV‐infected Thai individuals naïve to ARV therapy. Methods Distal leg and proximal thigh ENFDs were quantified in HIV‐infected Thai individuals without neuropathy prior to randomization to a HIV clinical trial that focused on mitochondrial toxicity issues. We assessed their association with various clinical and immunovirological parameters as well as with peripheral blood mononuclear cell (PBMC) mitochondrial (mt) DNA copies/cell, oxidative phosphorylation (OXPHOS) complex I (CI) and complex IV (CIV) enzyme activities, and mt 8‐oxo‐deoxyguanine (8‐oxo‐dG) break frequencies. Results In 132 subjects, the median (interquartile range) ENFD (fibres/mm) values were 21.0 (16.2–26.6) for the distal leg and 31.7 (26.2–40.0) for the proximal thigh. By linear regression, lower CD4 count (P &lt; 0.01), older age (P &lt; 0.01), increased body mass index (BMI) (P = 0.04), increased height (P = 0.02), and higher PBMC OXPHOS activity as measured by CIV activity (P = 0.02) were associated with lower distal leg ENFD. Conclusions Older age, increased height, higher BMI, poorer immunological status and higher PBMC OXPHOS activity are associated with lower distal leg ENFD in HIV‐infected subjects free of neuropathy prior to initiation of first‐time ARV therapy.</description><subject>Adult</subject><subject>Age Distribution</subject><subject>Anti-HIV Agents - administration &amp; dosage</subject><subject>Anti-HIV Agents - adverse effects</subject><subject>antiretroviral naïve</subject><subject>Antiviral agents</subject><subject>Body Mass Index</subject><subject>CD4 antigen</subject><subject>Clinical trials</subject><subject>Cytochrome-c oxidase</subject><subject>DNA</subject><subject>Electron transport chain</subject><subject>Enzymes</subject><subject>epidermal nerve fibre density</subject><subject>Female</subject><subject>Geriatrics</subject><subject>HIV</subject><subject>HIV Seropositivity - drug therapy</subject><subject>HIV Seropositivity - epidemiology</subject><subject>HIV Seropositivity - physiopathology</subject><subject>Human immunodeficiency virus</subject><subject>Humans</subject><subject>Infection</subject><subject>Leg</subject><subject>Male</subject><subject>Mitochondria</subject><subject>Mitochondrial DNA</subject><subject>Nerve Fibers - pathology</subject><subject>Nerves</subject><subject>Neuropathy</subject><subject>Neurotoxicity Syndromes - epidemiology</subject><subject>Neurotoxicity Syndromes - etiology</subject><subject>Neurotoxicity Syndromes - physiopathology</subject><subject>Oxidative phosphorylation</subject><subject>Peripheral blood mononuclear cells</subject><subject>Peripheral Nervous System Diseases - chemically induced</subject><subject>Peripheral Nervous System Diseases - epidemiology</subject><subject>Peripheral Nervous System Diseases - physiopathology</subject><subject>Polyneuropathies - epidemiology</subject><subject>Polyneuropathies - etiology</subject><subject>Polyneuropathies - physiopathology</subject><subject>Predictive Value of Tests</subject><subject>Stavudine</subject><subject>Stavudine - adverse effects</subject><subject>Thailand - epidemiology</subject><subject>Toxicity</subject><issn>1464-2662</issn><issn>1468-1293</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUtu2zAQhomiQR5urlBo2Y0UvmktUqDIywECdJN0S1DUqKUhUw4pO_YuR8hNcojcpCcpZbtGuws3M-T883PID6GM4IKkdTYtCJfjnNCSFRQTWmCCKS9WH9DxvvBxk_OcSkmP0EmMU4yJYiU-REeUCsUlJcfIXkIPYea88X3MuiaDuavTgWkzD2EJWeOqAFkNPrp-nTmfJaEL0Idu6YJpfz-_ePP2moST2x9p43wDtoc6KWu3dPXCtPETOmhSgNNdHKGH66v7i0l-9_3m9uLbXW4FVjxXYCooK1zWXEkhxoLJ9CgsKma4KoFSw7CtMViGhQXGKOaCVhgIaVQpZcVG6OvWd76oZlBb8H2aUM-Dm5mw1p1x-v-Kd7_0z26pmRR8zMpk8GVnELrHBcRez1y00LbGQ7eImhAqKFMqfeMIjbdSG7oYAzT7awjWAyM91QMKPaDQAyO9YaRXqfXzv2PuG_9CSYLzreDJtbB-t7FOBIaM_QHkgqRb</recordid><startdate>201211</startdate><enddate>201211</enddate><creator>Shikuma, CM</creator><creator>Gerschenson, M</creator><creator>Ananworanich, J</creator><creator>Valcour, VG</creator><creator>Teeratakulpisarn, N</creator><creator>Jadwattanakul, T</creator><creator>DeGruttola, V</creator><creator>Liang, C‐Y</creator><creator>McArthur, JC</creator><creator>Ebenezer, GJ</creator><creator>Chomchey, N</creator><creator>Praihirunkit, P</creator><creator>Hongchookiath, P</creator><creator>Mathajittiphun, P</creator><creator>Nakamoto, B</creator><creator>Hauer, P</creator><creator>Phanuphak, P</creator><creator>Phanuphak, N</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U9</scope><scope>H94</scope><scope>5PM</scope></search><sort><creationdate>201211</creationdate><title>Determinants of epidermal nerve fibre density in antiretroviral‐naïve HIV‐infected individuals</title><author>Shikuma, CM ; Gerschenson, M ; Ananworanich, J ; Valcour, VG ; Teeratakulpisarn, N ; Jadwattanakul, T ; DeGruttola, V ; Liang, C‐Y ; McArthur, JC ; Ebenezer, GJ ; Chomchey, N ; Praihirunkit, P ; Hongchookiath, P ; Mathajittiphun, P ; Nakamoto, B ; Hauer, P ; Phanuphak, P ; Phanuphak, N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5074-7eabe9b09d47655853602405b3a479e22a30cd0ec305ce3320452b0e11f7966b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adult</topic><topic>Age Distribution</topic><topic>Anti-HIV Agents - administration &amp; dosage</topic><topic>Anti-HIV Agents - adverse effects</topic><topic>antiretroviral naïve</topic><topic>Antiviral agents</topic><topic>Body Mass Index</topic><topic>CD4 antigen</topic><topic>Clinical trials</topic><topic>Cytochrome-c oxidase</topic><topic>DNA</topic><topic>Electron transport chain</topic><topic>Enzymes</topic><topic>epidermal nerve fibre density</topic><topic>Female</topic><topic>Geriatrics</topic><topic>HIV</topic><topic>HIV Seropositivity - drug therapy</topic><topic>HIV Seropositivity - epidemiology</topic><topic>HIV Seropositivity - physiopathology</topic><topic>Human immunodeficiency virus</topic><topic>Humans</topic><topic>Infection</topic><topic>Leg</topic><topic>Male</topic><topic>Mitochondria</topic><topic>Mitochondrial DNA</topic><topic>Nerve Fibers - pathology</topic><topic>Nerves</topic><topic>Neuropathy</topic><topic>Neurotoxicity Syndromes - epidemiology</topic><topic>Neurotoxicity Syndromes - etiology</topic><topic>Neurotoxicity Syndromes - physiopathology</topic><topic>Oxidative phosphorylation</topic><topic>Peripheral blood mononuclear cells</topic><topic>Peripheral Nervous System Diseases - chemically induced</topic><topic>Peripheral Nervous System Diseases - epidemiology</topic><topic>Peripheral Nervous System Diseases - physiopathology</topic><topic>Polyneuropathies - epidemiology</topic><topic>Polyneuropathies - etiology</topic><topic>Polyneuropathies - physiopathology</topic><topic>Predictive Value of Tests</topic><topic>Stavudine</topic><topic>Stavudine - adverse effects</topic><topic>Thailand - epidemiology</topic><topic>Toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shikuma, CM</creatorcontrib><creatorcontrib>Gerschenson, M</creatorcontrib><creatorcontrib>Ananworanich, J</creatorcontrib><creatorcontrib>Valcour, VG</creatorcontrib><creatorcontrib>Teeratakulpisarn, N</creatorcontrib><creatorcontrib>Jadwattanakul, T</creatorcontrib><creatorcontrib>DeGruttola, V</creatorcontrib><creatorcontrib>Liang, C‐Y</creatorcontrib><creatorcontrib>McArthur, JC</creatorcontrib><creatorcontrib>Ebenezer, GJ</creatorcontrib><creatorcontrib>Chomchey, N</creatorcontrib><creatorcontrib>Praihirunkit, P</creatorcontrib><creatorcontrib>Hongchookiath, P</creatorcontrib><creatorcontrib>Mathajittiphun, P</creatorcontrib><creatorcontrib>Nakamoto, B</creatorcontrib><creatorcontrib>Hauer, P</creatorcontrib><creatorcontrib>Phanuphak, P</creatorcontrib><creatorcontrib>Phanuphak, N</creatorcontrib><creatorcontrib>SEARCH 003 protocol team</creatorcontrib><creatorcontrib>the SEARCH 003 protocol team</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Virology and AIDS Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>HIV medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shikuma, CM</au><au>Gerschenson, M</au><au>Ananworanich, J</au><au>Valcour, VG</au><au>Teeratakulpisarn, N</au><au>Jadwattanakul, T</au><au>DeGruttola, V</au><au>Liang, C‐Y</au><au>McArthur, JC</au><au>Ebenezer, GJ</au><au>Chomchey, N</au><au>Praihirunkit, P</au><au>Hongchookiath, P</au><au>Mathajittiphun, P</au><au>Nakamoto, B</au><au>Hauer, P</au><au>Phanuphak, P</au><au>Phanuphak, N</au><aucorp>SEARCH 003 protocol team</aucorp><aucorp>the SEARCH 003 protocol team</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determinants of epidermal nerve fibre density in antiretroviral‐naïve HIV‐infected individuals</atitle><jtitle>HIV medicine</jtitle><addtitle>HIV Med</addtitle><date>2012-11</date><risdate>2012</risdate><volume>13</volume><issue>10</issue><spage>602</spage><epage>608</epage><pages>602-608</pages><issn>1464-2662</issn><eissn>1468-1293</eissn><abstract>Objectives Distal leg epidermal nerve fibre density (ENFD) is a validated predictor of small unmyelinated nerve fibre damage and neuropathy risk in HIV infection. As pre‐existing damage may increase the risk of neuropathy following antiretroviral (ARV) therapy, particularly when the regimen contains stavudine (d4T), we assessed the relationship between ENFD and various parameters including mitochondrial factors in HIV‐infected Thai individuals naïve to ARV therapy. Methods Distal leg and proximal thigh ENFDs were quantified in HIV‐infected Thai individuals without neuropathy prior to randomization to a HIV clinical trial that focused on mitochondrial toxicity issues. We assessed their association with various clinical and immunovirological parameters as well as with peripheral blood mononuclear cell (PBMC) mitochondrial (mt) DNA copies/cell, oxidative phosphorylation (OXPHOS) complex I (CI) and complex IV (CIV) enzyme activities, and mt 8‐oxo‐deoxyguanine (8‐oxo‐dG) break frequencies. Results In 132 subjects, the median (interquartile range) ENFD (fibres/mm) values were 21.0 (16.2–26.6) for the distal leg and 31.7 (26.2–40.0) for the proximal thigh. By linear regression, lower CD4 count (P &lt; 0.01), older age (P &lt; 0.01), increased body mass index (BMI) (P = 0.04), increased height (P = 0.02), and higher PBMC OXPHOS activity as measured by CIV activity (P = 0.02) were associated with lower distal leg ENFD. Conclusions Older age, increased height, higher BMI, poorer immunological status and higher PBMC OXPHOS activity are associated with lower distal leg ENFD in HIV‐infected subjects free of neuropathy prior to initiation of first‐time ARV therapy.</abstract><cop>England</cop><pmid>22574621</pmid><doi>10.1111/j.1468-1293.2012.01024.x</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Age Distribution
Anti-HIV Agents - administration & dosage
Anti-HIV Agents - adverse effects
antiretroviral naïve
Antiviral agents
Body Mass Index
CD4 antigen
Clinical trials
Cytochrome-c oxidase
DNA
Electron transport chain
Enzymes
epidermal nerve fibre density
Female
Geriatrics
HIV
HIV Seropositivity - drug therapy
HIV Seropositivity - epidemiology
HIV Seropositivity - physiopathology
Human immunodeficiency virus
Humans
Infection
Leg
Male
Mitochondria
Mitochondrial DNA
Nerve Fibers - pathology
Nerves
Neuropathy
Neurotoxicity Syndromes - epidemiology
Neurotoxicity Syndromes - etiology
Neurotoxicity Syndromes - physiopathology
Oxidative phosphorylation
Peripheral blood mononuclear cells
Peripheral Nervous System Diseases - chemically induced
Peripheral Nervous System Diseases - epidemiology
Peripheral Nervous System Diseases - physiopathology
Polyneuropathies - epidemiology
Polyneuropathies - etiology
Polyneuropathies - physiopathology
Predictive Value of Tests
Stavudine
Stavudine - adverse effects
Thailand - epidemiology
Toxicity
title Determinants of epidermal nerve fibre density in antiretroviral‐naïve HIV‐infected individuals
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