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Träfflista för sökning "WFRF:(Horal M) "

Sökning: WFRF:(Horal M)

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  • Su, J, et al. (författare)
  • The nontoxic tripeptide glycyl-prolyl-glycine amide inhibits the replication of human immunodeficiency virus type 1.
  • 2001
  • Ingår i: Journal of human virology. - 1090-9508. ; 4:1, s. 1-7
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To determine whether short peptides corresponding to the RGPGR motif of the V3 loop of gp 120 have anti-human immunodeficiency virus type 1 (anti-HIV-1) activity. DESIGN/METHODS: Short peptides were tested against the HIV-1 laboratory strains and clinical isolates. RESULTS: The tripeptide glycyl-prolyl-glycine amide (GPG-NH2) inhibited the replication of both laboratory strains and 47 clinical isolates, including 19 strains that were resistant to other drugs or that were from patients with failing therapy. The 50% inhibitory concentrations values were 2.7 to 37 microM. Phenotypic change of two isolates from nonsyncytia-inducing to syncytia-inducing did not change their sensitivity to GPG-NH2. The tripeptide added to the antiviral effect of both zidovudine and ritonavir. CONCLUSIONS: The tripeptide GPG-NH2 is a nontoxic compound that inhibits the replication of HIV-1 by an apparently new mode of action. Glycyl-prolyl-glycine-NH2 might prove useful by itself or as a lead compound for the treatment of drug-resistant HIV-1. Glycyl-prolyl-glycine-NH2 is currently undergoing phase I/II human clinical trials in Sweden.
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  • Sundberg, Jonas, et al. (författare)
  • High-risk human papillomavirus in patients with oral leukoplakia and oral squamous cell carcinoma-A multi-centre study in Sweden, Brazil and Romania.
  • 2021
  • Ingår i: Oral Diseases. - : Wiley. - 1354-523X .- 1601-0825. ; 27:2, s. 183-192
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: Although causal associations between oral leukoplakia (OL), oral squamous cell carcinoma (OSCC) and high-risk human papillomavirus (HR-HPV) have been speculated upon in several reports, conclusive evidence has not been presented. This study investigates whether the number of cases of HR-HPV in OL has increased over time and whether the prevalence of HR-HPV-positive OL differs in various parts of the world.PATIENTS AND METHODS: A total of 432 patients with OL from Sweden, Brazil and Romania were analysed. Patients were divided into historical (1992-2002) and contemporary (2011-2017) cohorts from the respective countries. Seventeen patients with OL developed oral squamous cell carcinoma (OSCC). A real-time PCR assay, targeting HPV sub-types 6,11,16,18,31,33,35,39,45,52,56,58 and 59, was performed to detect HR-HPV in patients with OL.RESULTS: In the Swedish and Romanian cohorts, none of the investigated HPV sub-types were detected. In the Brazilian cohorts, five patients with OL (3%) were positive for HR-HPV, including four patients from the contemporary cohort (HPV 16, 31, 33) and one from the historical cohort (HPV 11). All the cases of OL that transformed into OSCC were HR-HPV-negative, as were the corresponding tumours.CONCLUSIONS: In summary, the prevalence of HR-HPV in OL is low in all the tested countries, and the incidence has not changed over time. HR-HPV in OL does not seem to be a driver of oncogenesis.
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