ArticleImmunity, inflammation and disease2026
Expression of Purinergic and Endothelial Activation Markers in Brain Tissue From Fatal Microcephaly Associated With ZIKV.
Article in Immunity, inflammation and disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundZika virus (ZIKV) is a flavivirus that has gained global attention due to its association with congenital microcephaly and neuroinflammatory responses. Markers of endothelial activation and purinergic signaling have been identified in the context of ZIKV neuropathogenesis, although the underlying mechanisms remain poorly understood.
methodsBrain tissue samples from fatal cases of ZIKV-induced microcephaly were analyzed using immunohistochemistry to detect endothelial activation markers (E-selectin, P-selectin, ICAM-1, and VCAM-1) and purinergic receptors (P2X4, P2X7, and P2Y2). Quantitative analysis measured the expression patterns of these molecules and assessed their contribution to neuroinflammation and blood-brain barrier disruption.
resultsZIKV-positive cases exhibited significant endothelial activation, with increased expression of adhesion molecules mediating leukocyte recruitment. Purinergic receptor upregulation suggested a role in excitotoxicity and neuroinflammatory exacerbation. Statistical analysis revealed a marked difference in marker expression between ZIKV-infected cases and controls (p < 0.0001).
conclusionThe interaction between endothelial activation and purinergic signaling may be associated with the vascular dysfunction and neuronal damage observed in ZIKV-associated microcephaly. Understanding these associations could contribute to the development of targeted interventions for Zika congenital syndrome.
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