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.
miRNA changes by HHV-6A parallel those found in autoimmune thyroid disease
Investigators by at the University of Ferrara report intriguing alterations in intracellular regulation of HHV-6A-infected thyrocytes and T cells. HHV-6A, but not HHV-6B nor HHV-7, altered expression of several microRNAs in a pattern that is considered a marker for patients with autoimmune thyroid disease.
GAD antibodies & HHV-6 limbic encephalitis – a case of molecular mimicry?
A fifth case of limbic encephalitis associated with GAD antibodies and HHV-6 infection has been reported, this time in an immunocompetent woman with chromosomally integrated HHV-6, epilepsy, and psychosis. The patient’s condition improved (with a drop in GAD antibody titers and stabilization of psychotic symptoms) in response to three weeks of antiviral therapy but relapsed when antiviral therapy was withdrawn.
Epstein-Barr Virus and Human herpes virus 6 Type A DNA Enhance IL-17 Production in Mice
Since both HHV-6 and EBV have been associated with an increased risk of autoimmune disease development, a group at the American University of Beirut studied whether viral DNA might be capable of triggering IL-17, a cytokine associated with autoimmune disease. They injected BALB/c mice intraperitoneally with either EBV or HHV-6A DNA. They found that both IL-17 and IL-23 were markedly elevated.
HHV-6 as a trigger of autoimmune disease?
Researchers discuss the potential mechanisms by which HHV-6A/B may contribute to autoimmune disease
Does HHV-6 cause thyroiditis and autoimmunity in patients with drug hypersensitivity?
Case report describes two cases of DRESS related thyroiditis with very high levels of HHV-6 reactivation that go on to develop autoimmunity.
Study shows HHV-6 reactivation is disproportionately elevated among patients with autoimmune connective tissue disease
New study from Italy indicates that HHV-6 reactivation is selectively increased among patients suffering from autoimmune connective tissue diseases (ACTD).
HHV-6A linked to Thyroiditis, Autoimmune Disease
A group from Italy has linked HHV-6A to Hashimoto’s Thyroiditis, and provides evidence for autoimmune disease associated with HHV-6A and HHV-6B.
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