Investigators see possible links to systemic sclerosis, liver fibrosis and cardiovascular remodeling.
Increased HHV-6B viral load and levels of autonomic autoantibodies in ME/CFS
Biomarkers distinguish cases from healthy controls, but don’t all correlate with disease severity.
Two HHV-6 genes may contribute to pathogenesis of autoimmune thyroiditis
Genes U12 and U51 encode homologues of human G-protein-coupled receptors, and are potential triggers of autoimmunity.
HHV-6, enterovirus and parvovirus B-19 found in the thyroid tissue of both autoimmune disease patients… and controls
Failure to distinguish HHV-6A from HHV-6A/B, and questions about assay sensitivity, make results difficult to interpret.
HHV-6A and HCMV induce pro-fibrotic miRNA expression pattern in infected host cells
Pattern consistent with clinical studies suggesting these viruses may be one trigger of systemic sclerosis.
Neonatal murine roseolovirus infection induces autoimmunity
Early infection interferes with normal thymocyte development and disrupts central tolerance resulting in autoimmune disease later in life. Only infection during this critical time period resulted in autoimmunity.
A comprehensive review of the role and potential functions HHV-6A/B U94
The review covers the role the U94 gene product plays in the virus’s life cycle, replication, and latency, as well as in the immune response.
The role of HHV-6 in dysregulating autophagy
HHV-6, like some other herpesviruses, dysregulates autophagy in multiple cell types, with important biological consequences.
iciHHV-6 not found to increase the risk of chronic autoimmune disease
Japanese investigators found no cases of iciHHV6 among 846 patients with several chronic autoimmune diseases
No HHV-6 DNA found in the spinal fluid of immunocompetent adults evaluated for limbic encephalitis
While HHV-6B is well known to cause limbic encephalitis in transplant patients, it does not appear to play a role in other forms of limbic encephalitis.
HHV-6A detected in the skin biopsies of systemic sclerosis patients
A group led by Elisabetta Caselli at University of Ferrara discovered HHV-6A in the skin and elevated levels of HHV6-B in the peripheral blood of systemic sclerosis patients
HHV-6B is found at higher levels in the pancreatic islets of type 1 diabetes patients
Investigators from the La Jolla Institute of Immunology used high-resolution confocal microscopy to detect high levels of HHV-6 protein in the pancreatic islet cells from donors with type 1 diabetes.
HHV-6 and EBV found in the brain tissue of Rasmussen’s Encephalitis patients
Chinese investigators found a high prevalence of HHV-6 and Epstein Barr virus in the brain tissues of children with Rasmussen’s encephalitis but in none of the controls. There was a significant association between viral presence and brain atrophy, raising a strong suspicion for the involvement of both viruses.
HHV-6B found in the islet cells of both type 1 diabetes patients and controls
Swedish investigators have found HHV-6 protein in the pancreatic islet cells of both type 1 diabetes patients and controls. The viral load was higher in the islet cells than in surrounding tissues. Unfortunately, they did not provide data on the difference between patients and controls in the viral load.
Antibodies to herpesvirus dUTPase a potential biomarker for Gulf War Illness and CFS
Antibodies to HHV-6 and VZV dUTPases were significantly elevated in Gulf War Illness patients compared to controls, and EBV dUTPase antibodies were elevated in Chronic Fatigue Syndrome patients.
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