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- Gaines, Hans, et al.
(författare)
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Six-week follow-up after HIV-1 exposure: a position statement from the Public Health Agency of Sweden and the Swedish Reference Group for Antiviral Therapy
- 2016
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Ingår i: Infectious Diseases. - : Informa UK Limited. - 2374-4235 .- 2374-4243. ; 48:2, s. 93-98
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Forskningsöversikt (refereegranskat)abstract
- In 2014 the Public Health Agency of Sweden and the Swedish Reference Group for Antiviral Therapy (RAV) conducted a review and analysis of the state of knowledge on the duration of follow-up after exposure to human immunodeficiency virus (HIV). Up until then a follow-up of 12 weeks after exposure had been recommended, but improved tests and new information on early diagnosis motivated a re-evaluation of the national recommendations by experts representing infectious diseases and microbiology, county medical officers, the RAV, the Public Health Agency, and other national authorities. Based on the current state of knowledge the Public Health Agency of Sweden and the RAV recommend, starting in April 2015, a follow-up period of 6 weeks after possible HIV-1 exposure, if HIV testing is performed using laboratory-based combination tests detecting both HIV antibody and antigen. If point-of-care rapid HIV tests are used, a follow-up period of 8 weeks is recommended, because currently available rapid tests have insufficient sensitivity for detection of HIV-1 antigen. A follow-up period of 12 weeks is recommended after a possible exposure for HIV-2, since presently used assays do not include HIV-2 antigens and only limited information is available on the development of HIV antibodies during early HIV-2 infection. If pre- or post-exposure prophylaxis is administered, the follow-up period is recommended to begin after completion of prophylaxis. Even if infection cannot be reliably excluded before the end of the recommended follow-up period, HIV testing should be performed at first contact for persons who seek such testing.
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- Hallström, Hadar, et al.
(författare)
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Virus vid lokal aggresiv parodontit studeras
- 2009
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Ingår i: Tandläkartidningen. - 0039-6982. ; 101:3, s. 58-
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Under det senaste decenniet har virus roll i parodontitsjukdomens uppkomst och progression studerats. Data har publicerats som visar att virus förekommer och eventuellt har betydelse för sjukdomsutvecklingen vid vissa typer av parodontit. Vi har därför undersökt förekomsten av bakterier och virus hos ett antal unga patienter med lokal aggressiv parodontit. Vår studie kan dock varken belägga eller avvisa hypotesen om virusförekomstens betydelse.
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| 6. |
- Hallström, Hadar, et al.
(författare)
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Virus vid lokal aggresiv parodontit studeras
- 2009
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Ingår i: Tandläkartidningen. - 0039-6982. ; 101:3
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Under det senaste decenniet har virus roll i parodontitsjukdomens uppkomst och progression studerats. Data har publicerats som visar att virus förekommer och eventuellt har betydelse för sjukdomsutvecklingen vid vissa typer av parodontit. Vi har därför undersökt förekomsten av bakterier och virus hos ett antal unga patienter med lokal aggressiv parodontit. Vår studie kan dock varken belägga eller avvisa hypotesen om virusförekomstens betydelse.
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- SanMartin, Agneta, et al.
(författare)
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Microarray Analysis Reveals Moderate Gene Expression Changes in Cortical Neural Stem Cells Cultured on Nanowire Arrays
- 2014
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Ingår i: Journal of Nanoscience and Nanotechnology. - : American Scientific Publishers. - 1533-4880 .- 1533-4899. ; 14:7, s. 4880-4885
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Tidskriftsartikel (refereegranskat)abstract
- Although nanowires are widely used in biological applications, especially as cell-manipulation tools, the effect of nanowires on living cells has not been fully investigated. Here, we examined the full gene expression of mouse cortical stem cells cultured on vertical nanowire substrates using RNA microarrays. Genes involved in cell adhesion, cell morphology regulation and cell metabolism were up regulated on the nanowire substrates as compared to flat controls. Scanning electron microscopy images of the samples corroborated our findings, revealing significant differences in cell morphology and adhesion between the nanowire and the flat substrates. Cells on nanowires exhibited a round morphology with a mature appearance characterized by numerous and long processes adhering to the nanowires, while cells on flat substrates had a flat, spread-out morphology and very little neurite outgrowth.
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