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Correlation between cerebrospinal fluid and plasma neurofilament light protein in treated HIV infection: results from the COBRA study.

Alagaratnam, Jasmini (författare)
De Francesco, Davide (författare)
Zetterberg, Henrik, 1973 (författare)
Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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Heslegrave, Amanda (författare)
Toombs, Jamie (författare)
Kootstra, Neeltje A (författare)
Underwood, Jonathan (författare)
Gisslén, Magnus, 1962 (författare)
Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
Reiss, Peter (författare)
Fidler, Sarah (författare)
Sabin, Caroline A (författare)
Winston, Alan (författare)
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 (creator_code:org_t)
2021-12-07
2022
Engelska.
Ingår i: Journal of neurovirology. - : Springer Science and Business Media LLC. - 1538-2443 .- 1355-0284. ; 28:1, s. 54-63
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Cerebrospinal fluid (CSF) neurofilament light protein (NfL) is a marker of central nervous system neuro-axonal injury. A novel, ultra-sensitive assay can determine plasma NfL. In untreated people-with-HIV (PWH), CSF and plasma NfL are strongly correlated. We aimed to assess this correlation in PWH on suppressive antiretroviral treatment (ART) and lifestyle-similar HIV-negative individuals enrolled into the COmorBidity in Relation to AIDS (COBRA) study. Differences in paired CSF (sandwich ELISA, UmanDiagnostics) and plasma (Simoa digital immunoassay, Quanterix™) NfL between PWH and HIV-negative participants were tested using Wilcoxon's test; associations were assessed using Pearson's correlation. CSF and plasma NfL, standardised to Z-scores, were included as dependent variables in linear regression models to identify factors independently associated with values in PWH and HIV-negative participants. Overall, 132 PWH (all with plasma HIV RNA<50 copies/mL) and 79 HIV-negative participants were included. Neither CSF (median 570 vs 568pg/mL, p=0.37) nor plasma (median 10.7 vs 9.9pg/mL, p=0.15) NfL differed significantly between PWH and HIV-negative participants, respectively. CSF and plasma NfL correlated moderately, with no significant difference by HIV status (PWH: rho=0.52; HIV-negative participants: rho=0.47, p (interaction)=0.63). In multivariable regression analysis, higher CSF NfL Z-score was statistically significantly associated with older age and higher CSF protein, and higher plasma NfL Z-score with older age, higher serum creatinine and lower bodyweight. In conclusion, in PWH on ART, the correlation between CSF and plasma NfL is moderate and similar to that observed in lifestyle-similar HIV-negative individuals. Consideration of renal function and bodyweight may be required when utilising plasma NfL.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Neurosciences (hsv//eng)

Nyckelord

Axons
Central nervous system diseases
HIV
HIV-1
Neurofilament proteins

Publikations- och innehållstyp

ref (ämneskategori)
art (ämneskategori)

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