Human herpesviruses 6 and 7 in salivary glands and shedding in saliva of healthy and human immunodeficiency virus positive individuals

D. Di Luca, P. Mirandola, T. Ragvaioli, R. Dolcetti, A. Frigatti, P. Bovenzi, L. Sighinolfi, P. Monini, E. Cassai

Research output: Contribution to journalArticle

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Abstract

The presence of human herpesvirus 6 (HHV-6) and human herpesvirus 7 (HHV-7) was investigated by the polymerase chain reaction in saliva specimens from healthy persons, donors affected by common cold or recurrent aphthous ulceration (RAU), and human immunodeficiency virus (HIV) positive patients, and in salivary gland biopsies. The sensitivity of the technique made it possible to detect as few as 5-10 target molecules in 15 μl of saliva. HHV-6 was present in 63% of salivary gland biopsies and in 3% of salivas from healthy persons. No significant difference in the presence of HHV-6 was detected in specimens from donors with common cold, RAU, or HIV-infected patients. HHV-7 was present in 75% of salivary glands and in 55% of salivas from healthy persons. HHV-7 was detected with similar frequency in salivas from donors with common cold or RAU. Salivas from HIV-infected patients harbored HHV-7 with higher frequency (81%) and increased viral load. These results show that salivary glands are a site of persistent infection for both HHV-6 and HHV-7. However, the two viruses seem to differ in their biological properties: 1) HHV-6 is rarely present in saliva in detectable amounts, while HHV-7 is frequently detected; and 2) immunosuppression by acquired immunodeficiency syndrome (AIDS) increases the frequency of detection and the viral load of HHV-7, but does not have a significant effect on HHV-6 shedding in saliva.

Original languageEnglish
Pages (from-to)462-468
Number of pages7
JournalJournal of Medical Virology
Volume45
Issue number4
Publication statusPublished - 1995

Fingerprint

Human Herpesvirus 7
Human Herpesvirus 6
Salivary Glands
Saliva
HIV
Common Cold
Tissue Donors
Viral Load
Biopsy
Immunosuppression
Acquired Immunodeficiency Syndrome
Viruses
Polymerase Chain Reaction

Keywords

  • HHV-6
  • HHV-7
  • Lymphotropic herpesviruses
  • Saliva
  • Salivary glands
  • Viral shedding

ASJC Scopus subject areas

  • Virology

Cite this

Human herpesviruses 6 and 7 in salivary glands and shedding in saliva of healthy and human immunodeficiency virus positive individuals. / Di Luca, D.; Mirandola, P.; Ragvaioli, T.; Dolcetti, R.; Frigatti, A.; Bovenzi, P.; Sighinolfi, L.; Monini, P.; Cassai, E.

In: Journal of Medical Virology, Vol. 45, No. 4, 1995, p. 462-468.

Research output: Contribution to journalArticle

Di Luca, D, Mirandola, P, Ragvaioli, T, Dolcetti, R, Frigatti, A, Bovenzi, P, Sighinolfi, L, Monini, P & Cassai, E 1995, 'Human herpesviruses 6 and 7 in salivary glands and shedding in saliva of healthy and human immunodeficiency virus positive individuals', Journal of Medical Virology, vol. 45, no. 4, pp. 462-468.
Di Luca, D. ; Mirandola, P. ; Ragvaioli, T. ; Dolcetti, R. ; Frigatti, A. ; Bovenzi, P. ; Sighinolfi, L. ; Monini, P. ; Cassai, E. / Human herpesviruses 6 and 7 in salivary glands and shedding in saliva of healthy and human immunodeficiency virus positive individuals. In: Journal of Medical Virology. 1995 ; Vol. 45, No. 4. pp. 462-468.
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AU - Di Luca, D.

AU - Mirandola, P.

AU - Ragvaioli, T.

AU - Dolcetti, R.

AU - Frigatti, A.

AU - Bovenzi, P.

AU - Sighinolfi, L.

AU - Monini, P.

AU - Cassai, E.

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