Hanna Helena Schalkwijk

ORCID: 0000-0003-2339-4834
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About
Contact & Profiles
Research Areas
  • Herpesvirus Infections and Treatments
  • Cytomegalovirus and herpesvirus research
  • Poxvirus research and outbreaks
  • Food Allergy and Anaphylaxis Research
  • vaccines and immunoinformatics approaches
  • Animal Virus Infections Studies
  • Ubiquitin and proteasome pathways
  • Immunotherapy and Immune Responses
  • Plant Virus Research Studies
  • Research on Leishmaniasis Studies
  • Systemic Lupus Erythematosus Research

KU Leuven
2022-2024

Rega Institute for Medical Research
2022-2024

Utrecht University
2017

Abstract Background Herpes simplex virus 1 can cause severe infections in individuals who are immunocompromised. In these patients, emergence of drug resistance mutations causes difficulties infection management. Methods Seventeen herpes isolates were obtained from orofacial/anogenital lesions a patient with leaky combined immunodeficiency over 7 years, before and after stem cell transplantation. Spatial/temporal evolution was characterized genotypically—with Sanger next-generation...

10.1093/infdis/jiad184 article EN The Journal of Infectious Diseases 2023-05-24

Ocular herpes simplex virus 1 (HSV-1) infections can lead to visual impairment. Long-term acyclovir (ACV) prophylaxis reduces the frequency of recurrences but is associated with drug resistance. Novel therapies are needed treat drug-resistant HSV-1 infections. Here, we describe effects trifluridine (TFT) in combination ACV or ganciclovir (GCV) on replication and drug-resistance emergence. Wild-type was grown under increasing doses one antiviral (ACV, GCV, TFT) combinations thereof (ACV + TFT...

10.1128/aac.00110-24 article EN Antimicrobial Agents and Chemotherapy 2024-04-15

Abstract Background Prolonged antiviral therapy in immunocompromised individuals can result the emergence of (multi)drug-resistant herpes simplex virus 1 (HSV-1) infections, forming a therapeutic challenge. Objectives To evaluate spatial and temporal differences drug resistance HSV-1 samples from HSCT recipient to determine effect mutations on viral replication fitness. Patients methods Five isolates were recovered who suffered persistent lesions, consecutively treated with aciclovir,...

10.1093/jac/dkac297 article EN Journal of Antimicrobial Chemotherapy 2022-08-24

The widespread use of antivirals in immunocompromised individuals has led to frequent occurrences drug-resistant herpes simplex virus 1 (HSV-1) infections. Current target the viral DNA polymerase (DP), resulting cross-resistance patterns that emphasize need for novel treatment strategies. In this study, we assessed whether combining with different targets affects drug resistance emergence by passaging wild-type HSV-1 under increasing concentrations acyclovir (ACV), foscarnet (phosphonoformic...

10.1093/ve/veae101 article EN cc-by Virus Evolution 2024-01-01
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