4.6 Article

sTWEAK is a leukoaraiosis biomarker associated with neurovascular angiopathy

Journal

ANNALS OF CLINICAL AND TRANSLATIONAL NEUROLOGY
Volume 9, Issue 2, Pages 171-180

Publisher

WILEY
DOI: 10.1002/acn3.51502

Keywords

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Funding

  1. Spanish Ministry of Economy and Competitiveness [SAF2017-84267-R, RTI2018-102165-B-I00]
  2. Xunta de Galicia [IN607A2018/3, IN607D2020/09]
  3. Instituto de Salud Carlos III [PI17/01103, CD20/00054]
  4. Spanish Research Network on Cerebrovascular Diseases RETICS-INVICTUS PLUS [RD16/0019]
  5. INTERREG Atlantic Area [EAPA_791/2018NEUROATLANTIC]
  6. INTERREG V A Espa~na Portugal (POCTEP) [0624_2IQBIONEURO_6_E]
  7. European Regional Development Fund (ERDF)
  8. Miguel Servet Program [CPII17/00027, CPII19/00020]
  9. European Union, ESF, Investing in your future.

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The aim of this study was to investigate the frequency and intensity of leukoaraiosis (LA) in symptomatic patients compared to asymptomatic subjects, and its association with soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK). The results showed a higher prevalence and intensity of LA in symptomatic patients, and a significant correlation between LA degree and sTWEAK levels.
Objective: Leukoaraiosis (LA) refers to white matter lesions of undetermined etiology associated with the appearance and worsening of vascular pathologies. The aim is to confirm an increased frequency and intensity of LA in symptomatic patients with neurovascular pathology compared with asymptomatic subjects, and its association with circulating serum levels of soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK). Methods: An observational study was conducted in which two groups of patients were compared. Group I (N = 242) comprised of asymptomatic subjects with arterial hypertension and/or diabetes or with a history of transient ischemic attacks, and Group II (N = 382) comprised patients with lacunar stroke or deep hemispheric intracerebral hemorrhage (ICH) of hypertensive origin. Serum levels of sTWEAK were analyzed and correlated with prevalence and intensity of LA according to the Fazekas scale. Results: The prevalence of LA was higher in symptomatic (85.1%) versus asymptomatic patients (62.0%). Logistic regression model showed a significant relation of LA with neurovascular pathologies (OR: 2.69, IC 95%: 1.10-6.59, p = 0.003). When stratified according to the Fazekas scale, LA of grade II (OR: 3.53, IC 95%: 1.10-6.59, p = 0.003) and specially grade III (OR: 4.66, 95% CI: 1.09-19.84, p = 0.037) showed correlation with neurovascular pathologies. Increased sTWEAK levels were found in the symptomatic group in all LA grades (p < 0.0001), and associated with 5.06 times more risk of presenting clinical symptoms (OR: 5.06, 95% CI: 2.66-9.75, p < 0.0001). Interpretation: LA showed a higher prevalence in patients with symptomatic lacunar stroke or deep hemispheric ICH. There is an association between sTWEAK levels and LA degree.

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