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Sökning: WFRF:(Kawecki Anne)

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1.
  • Niklasson, Bo, et al. (författare)
  • Association of zoonotic Ljungan virus with intrauterine fetal deaths
  • 2007
  • Ingår i: Birth defects research. Clinical and molecular teratology. - : Wiley. - 1542-0752 .- 1542-0760. ; 79, s. 488-493
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: It has recently been shown that Ljungan virus (LV) is associated with disease in its wild rodent reservoir. In addition, it has been demonstrated that LV causes malformations and perinatal death in a mouse model. The question was therefore raised whether LV is a zoonotic agent in humans. METHODS: Population fluctuations of native rodents in Sweden were compared to the incidence of intrauterine fetal deaths (IUFDs) using the Swedish national hospitalization database. Formalin-fixed tissues from cases of IUFD were investigated using LV-specific immunohistochemistry. RESULTS: Variation in the incidence of IU-FDs closely tracked the fluctuations in native rodent populations. LV was detected in the brain tissue in 4 of 10 cases of IUFDs investigated by immunochemistry. LV was also detected in the placenta in 5 of the 10 IUFD cases, but in none of 20 placentas from normal pregnancies. CONCLUSIONS: LV may play an important role in IUFDs.
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2.
  • Niklasson, Bo, et al. (författare)
  • Diabetes Prevention Through Antiviral Treatment in Biobreeding Rats
  • 2016
  • Ingår i: Viral immunology. - : Mary Ann Liebert Inc. - 0882-8245 .- 1557-8976. ; 29:8, s. 452-458
  • Tidskriftsartikel (refereegranskat)abstract
    • A picornavirus (Ljungan virus) has been associated with diabetes in its wild rodent reservoir and in diabetesprone biobreeding (DP-BB) rats. We attempted to alter the development of diabetes in DP-BB rats using two anti-picornavirus compounds (pleconaril and APO-N039), singly or in combination. Antiviral therapy was initiated 2 weeks before expected onset of diabetes. Pleconaril or APO-N039 alone did not affect the debut of diabetes. However, animals receiving a combination of both compounds were protected for at least the entire period of treatment (4 weeks after expected time of diabetes onset). Immunohistochemistry demonstrated that the presence and distribution of virus antigen in the pancreatic islets coincided with the clinical status of the animal. Data indicate that a treatable picornavirus can be involved in the cellular assault resulting in diabetes and in these cases the disease mechanism appears to involve a virus present in the pancreatic beta cell mass itself.
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