ArticleFrontiers in immunology2022
TNF-induced metalloproteinase-9 production is associated with neurological manifestations in HTLV-1-infected individuals.
Article in Frontiers in immunology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- The missing link: TNF-α as a unifying mechanism in methamphetamine-induced neuronal dysfunction and blood-brain barrier compromise.Journal of neuroimmunology · 2025Review
- In Vitro Model of the Human Blood-Brain Barrier to Explore HTLV-1 Immunopathogenesis.Current issues in molecular biology · 2025Article
- HAM/TSP Pathogenesis: The Transmigration Activity of HTLV-1-Infected T Cells into Tissues.Pathogens (Basel, Switzerland) · 2023Review
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Authors and funding
8 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
HTLV-1-infected individuals may develop a neurologic inflammatory condition known as HTLV-1-associated myelopathy (HAM/TSP), in which the high production of TNF is observed. These patients exhibit higher proviral loads, enhanced production of proinflammatory cytokines and lymphocyte proliferation in comparison to asymptomatic HTLV-1 carriers and those presenting overactive bladder (OAB-HTLV-infected). Metalloproteinases (MMPs) are known to degrade the components of the blood-brain barrier, favoring the migration of infected cells into the central nervous system. Moreover, the unbalanced production of MMPs and their inhibitors (TIMPs) has also been associated with tissue damage. The present work studied the production of MMP-9 and TIMPs in HTLV-1-infected individuals with and without neurological manifestations. HAM/TSP patients presented higher concentrations of MMP-9 in peripheral blood mononuclear cell (PBMC) culture supernatants, as well as a higher MMP-9/TIMP-3 ratio when compared to the other groups studied. MMP-9 levels positively correlated with proviral load and TNF in OAB-HTLV-infected individuals, and the
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