Since the discovery of chromosomally integrated HHV-6 (ciHHV-6), investigators have wondered about the potential consequences of having chromosome integrated HHV-6 in the genome.
A sequencing study led by Ursula Gompels of London School of Hygiene & Tropical Medicine, found that 95% (19/21) of Czech ciHHV-6 malignancy and inflammatory disease patients had ciHHV6A while 65% (13/20) of a German myocarditis cohort had ciHHV-6B. The authors propose that this divergence suggests different disease links for the two viruses.
ciHHV-6 infants score 4 points lower than controls on the Bayley Mental Development Index
Scottish study finds inheritance of ciHHV-6 does not increase the risk of developing cHL
Dr. Flamand, a professor and molecular virologist at Université Laval in Quebec city, has written an editorial calling for screening of organ donors for ciHHV-6 status and careful monitoring of recipients of ciHHV-6 donor tissues for signs of active HHV-6 infection and HHV-6 antigen-induced immune rejection. Flamand also questions whether solid organs and stem cells derived from persons with ciHHV-6 should be used in transplantation.
Experts emphasize need for larger studies to determine the impact of ciHHV-6 on patient outcomes
Berlin Charite study shows heart failure patients with active ciHHV-6 can be treated successfully with antivirals.
The University of Washington and the Fred Hutchinson Cancer Research Center are at the forefront of studying the role of HHV-6 and ciHHV-6 in stem cell transplant patients. We asked their view on the implications immunocompromised patients with integrated HHV-6A reactivating with their own inherited virus.
Three important tests for HHV-6 will now be available at Coppe Labs, including two that are not available commercially at any other location: the mRNA test for assessing active infection and immunohistochemistry analysis for biopsy samples.
The inherited strain of HHV-6A in an immunosuppressed infant activated and caused hemophagocytic syndrome that was responsive to antiviral treatment. The isolated strain matched that of his ciHHV6 father.
Two papers published this month highlight the potential of the new 3rd generation PCR assays in the field of HHV-6 diagnostics.
HIV+ individuals with ciHHV-6 may experience lower severity HIV disease.
Additional evidence that shortened telomeres can cause the release and possible activation of integrated HHV-6.
Dr. Bhupesh Prusty and Professor Thomas Rudel from Biozentrum University have published several articles on the phenomenon of ciHHV-6 activation including a study on the interaction between Chlamydia infection and ciHHV-6. We interviewed them about the implications of these findings, their current studies, and what lies ahead for this team in the field of ciHHV-6 research.
The frequency of ciHHV-6 in the Province of Quebec (Canada) appears to be lower than that observed in US and UK.