Dynamics of salivary human herpesvirus-6 and -7 shedding in pregnant women

Noriko Suzuki, Masaru Ihira, Yasuko Enya, Takahashi Yumi, Chisato Izuru, Igarashi Rie, Yuki Higashimoto, Miura Hiroki, Takanashi Asaki, Fujimoto Kaoru, Yoshiki Kawamura, Tetsushi Yoshikawa

研究成果: Article査読

抄録

Reactivation of Betaherpesvirinae (Human herpesvirus 6A: HHV-6A, -6B, HHV-7) may be associated with mental illness and host fatigue. This study aimed to determine whether viral reactivation, measured by monitoring salivary viral DNA load, can be used to monitor depression in pregnant and postpartum women. Saliva samples were collected from 64 pregnant women at five points of observation periods. The HHV-6- and HHV-7-specific qPCRs were carried out to measure viral DNA load. When HHV-6 DNA was detected in saliva, nested PCR was used to discriminate between HHV-6A and -6B. In both viruses, a significant correlation was observed between detection frequency and viral DNA load in saliva. In the low-shedding group, HHV-6 DNA was significantly higher in the third trimester (p < 0.0001), the time of delivery (p = 0.0003), 1 month after birth (p = 0.0023) compared with the first trimester, and HHV-7 was at the time of delivery (p = 0.0277) and 1 month after birth (p = 0.0235). Most of the detected HHV-6 DNAs in saliva were HHV-6B. Both viral DNA loads were significantly lower (HHV-6: p = 0.0101, HHV-7: p = 0.0044) in the subjects with abnormal Edinburgh Postnatal Depression Scale (EPDS) scores. The detection rate and viral DNA load of both viruses in saliva increased after the third trimester. Salivary virus DNA shedding was significantly lower in subjects with an abnormal EPDS score.

本文言語English
ページ(範囲)3359-3367
ページ数9
ジャーナルJournal of Medical Virology
94
7
DOI
出版ステータスPublished - 07-2022

All Science Journal Classification (ASJC) codes

  • ウイルス学
  • 感染症

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