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  1. AU="Tschumi, Fabian"
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  3. AU="Yao, Yaling"
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  1. Artikel: CME: Dyslipidämie und kardiovaskuläres Risiko bei HIV-infizierten Patienten CME-Fragen.

    Tschumi, Fabian / Brugger, Silvio D / Braun, Dominique L

    Praxis

    2019  Band 108, Heft 7, Seite(n) 451–458

    Abstract: CME: Dyslipidemia and Cardiovascular Risk in HIV Infected ... ...

    Titelübersetzung CME: Dyslipidemia and Cardiovascular Risk in HIV Infected Patients.
    Abstract CME: Dyslipidemia and Cardiovascular Risk in HIV Infected Patients
    Mesh-Begriff(e) Antiretroviral Therapy, Highly Active ; Cardiovascular Diseases/complications ; Dyslipidemias/complications ; HIV Infections/complications ; Humans ; Risk Factors
    Sprache Deutsch
    Erscheinungsdatum 2019-06-03
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 209026-0
    ISSN 1661-8165 ; 1661-8157 ; 0369-8394
    ISSN (online) 1661-8165
    ISSN 1661-8157 ; 0369-8394
    DOI 10.1024/1661-8157/a003247
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel: CME-Antworten: «Dyslipidämie und kardiovaskuläres Risiko bei HIV-infizierten Patienten», Praxis Nr. 7.

    Tschumi, Fabian / Brugger, Silvio D / Braun, Dominique L

    Praxis

    2019  Band 108, Heft 8, Seite(n) 566

    Titelübersetzung CME Answers: 'Dyslipidemia and Cardiovascular Risk in HIV Infected Patients', Praxis No. 7.
    Sprache Deutsch
    Erscheinungsdatum 2019-06-11
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 209026-0
    ISSN 1661-8165 ; 1661-8157 ; 0369-8394
    ISSN (online) 1661-8165
    ISSN 1661-8157 ; 0369-8394
    DOI 10.1024/1661-8157/a003248
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Meningitis and epididymitis caused by Toscana virus infection imported to Switzerland diagnosed by metagenomic sequencing: a case report.

    Tschumi, Fabian / Schmutz, Stefan / Kufner, Verena / Heider, Maike / Pigny, Fiona / Schreiner, Bettina / Capaul, Riccarda / Achermann, Yvonne / Huber, Michael

    BMC infectious diseases

    2019  Band 19, Heft 1, Seite(n) 591

    Abstract: Background: We report a rare case of Toscana virus infection imported into Switzerland in a 23-year old man who travelled to Imperia (Italy) 10 days before onset of symptoms. Symptoms included both meningitis and as well epididymitis. This is only the ... ...

    Abstract Background: We report a rare case of Toscana virus infection imported into Switzerland in a 23-year old man who travelled to Imperia (Italy) 10 days before onset of symptoms. Symptoms included both meningitis and as well epididymitis. This is only the fourth case of Toscana virus reported in Switzerland.
    Case presentation: The patient presented with lymphocytic meningitis and scrotal pain due to epididymitis. Meningitis was initially treated with ceftriaxone. Herpes simplex, tick-borne encephalitis, enterovirus, measles, mumps, rubella and Treponema pallidum were excluded with specific polymerase chain reaction (PCR) or serology. In support of routine diagnostic PCR and serology assays, unbiased viral metagenomic sequencing was performed of cerebrospinal fluid and serum. Toscana virus infection was identified in cerebrospinal fluid and the full coding sequence could be obtained. Specific PCR in cerebrospinal fluid and blood and serology with Immunoglobulin (Ig) M and IgG against Toscana virus confirmed our diagnosis. Neurological symptoms recovered spontaneously after 5 days.
    Conclusions: This case of Toscana virus infection highlights the benefits of unbiased metagenomic sequencing to support routine diagnostics in rare or unexpected viral infections. With increasing travel histories of patients, physicians should be aware of imported Toscana virus as the agent for viral meningitis and meningoencephalitis.
    Mesh-Begriff(e) Adult ; Antibodies, Viral/blood ; Bunyaviridae Infections/diagnosis ; Bunyaviridae Infections/immunology ; Bunyaviridae Infections/virology ; Epididymitis/diagnosis ; Epididymitis/immunology ; Epididymitis/virology ; Humans ; Italy ; Male ; Meningitis, Viral/diagnosis ; Meningitis, Viral/immunology ; Meningitis, Viral/virology ; Metagenomics/methods ; Molecular Diagnostic Techniques ; RNA, Viral/genetics ; Sandfly fever Naples virus/genetics ; Sandfly fever Naples virus/immunology ; Sequence Analysis, RNA ; Switzerland ; Young Adult
    Chemische Substanzen Antibodies, Viral ; RNA, Viral
    Sprache Englisch
    Erscheinungsdatum 2019-07-08
    Erscheinungsland England
    Dokumenttyp Case Reports ; Journal Article
    ISSN 1471-2334
    ISSN (online) 1471-2334
    DOI 10.1186/s12879-019-4231-9
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Noninferiority of Simplified Dolutegravir Monotherapy Compared to Continued Combination Antiretroviral Therapy That Was Initiated During Primary Human Immunodeficiency Virus Infection: A Randomized, Controlled, Multisite, Open-label, Noninferiority Trial.

    Braun, Dominique L / Turk, Teja / Tschumi, Fabian / Grube, Christina / Hampel, Benjamin / Depmeier, Carsten / Schreiber, Peter W / Brugger, Silvio D / Greiner, Michael / Steffens, Daniela / De Torrenté-Bayard, Cornelia / Courlet, Perrine / Neumann, Kathrin / Kuster, Herbert / Flepp, Markus / Bertisch, Barbara / Decosterd, Laurent / Böni, Jürg / Metzner, Karin J /
    Kouyos, Roger D / Günthard, Huldrych F

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

    2019  Band 69, Heft 9, Seite(n) 1489–1497

    Abstract: Background: Patients who start combination antiretroviral therapy (cART) during primary human immunodeficiency virus type 1 (HIV-1) infection show a smaller HIV-1 latent reservoir, less immune activation, and less viral diversity compared to patients ... ...

    Abstract Background: Patients who start combination antiretroviral therapy (cART) during primary human immunodeficiency virus type 1 (HIV-1) infection show a smaller HIV-1 latent reservoir, less immune activation, and less viral diversity compared to patients who start cART during chronic infection. We conducted a pilot study to determine whether these properties would allow sustained virological suppression after simplification of cART to dolutegravir monotherapy.
    Methods: EARLY-SIMPLIFIED is a randomized, open-label, noninferiority trial. Patients who started cART <180 days after a documented primary HIV-1 infection and had an HIV-1 RNA <50 copies/mL plasma for at least 48 weeks were randomized (2:1) to monotherapy with dolutegravir 50 mg once daily or to continuation of cART. The primary efficacy endpoint was the proportion of patients with <50 HIV-1 RNA copies/mL on or before week 48; noninferiority margin 10%.
    Results: Of the 101 patients randomized, 68 were assigned to simplification to dolutegravir monotherapy and 33 to continuation of cART. At week 48 in the per-protocol population, 67/67 (100%) had virological response in the dolutegravir monotherapy group vs 32/32 (100%) in the cART group (difference, 0.00%; 95% confidence interval, -100%, 4.76%). This showed noninferiority of the dolutegravir monotherapy at the prespecified level.
    Conclusion: In this pilot study consisting of patients who initiated cART during primary HIV-1 infection and had <50 HIV-1 RNA copies/mL for at least 48 weeks, monotherapy with once-daily dolutegravir was noninferior to cART. Our results suggest that future simplification studies should use a stratification according to time of HIV infection and start of first cART.
    Clinical trials registration: NCT02551523.
    Mesh-Begriff(e) Adult ; Anti-Retroviral Agents/blood ; Anti-Retroviral Agents/cerebrospinal fluid ; Anti-Retroviral Agents/therapeutic use ; Confidence Intervals ; Female ; HIV Infections/blood ; HIV Infections/cerebrospinal fluid ; HIV Infections/drug therapy ; Heterocyclic Compounds, 3-Ring/blood ; Heterocyclic Compounds, 3-Ring/cerebrospinal fluid ; Heterocyclic Compounds, 3-Ring/therapeutic use ; Humans ; Male ; Middle Aged ; RNA, Viral/genetics
    Chemische Substanzen Anti-Retroviral Agents ; Heterocyclic Compounds, 3-Ring ; RNA, Viral ; dolutegravir (DKO1W9H7M1)
    Sprache Englisch
    Erscheinungsdatum 2019-01-25
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
    ZDB-ID 1099781-7
    ISSN 1537-6591 ; 1058-4838
    ISSN (online) 1537-6591
    ISSN 1058-4838
    DOI 10.1093/cid/ciy1131
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: Annexins sense changes in intracellular pH during hypoxia.

    Monastyrskaya, Katia / Tschumi, Fabian / Babiychuk, Eduard B / Stroka, Deborah / Draeger, Annette

    The Biochemical journal

    2008  Band 409, Heft 1, Seite(n) 65–75

    Abstract: The pH(i) (intracellular pH) is an important physiological parameter which is altered during hypoxia and ischaemia, pathological conditions accompanied by a dramatic decrease in pH(i). Sensors of pH(i) include ion transport systems which control ... ...

    Abstract The pH(i) (intracellular pH) is an important physiological parameter which is altered during hypoxia and ischaemia, pathological conditions accompanied by a dramatic decrease in pH(i). Sensors of pH(i) include ion transport systems which control intracellular Ca2+ gradients and link changes in pH(i) to functions as diverse as proliferation and apoptosis. The annexins are a protein family characterized by Ca2+-dependent interactions with cellular membranes. Additionally, in vitro evidence points to the existence of pH-dependent, Ca(2+)-independent membrane association of several annexins. We show that hypoxia promotes the interaction of the recombinant annexin A2-S100A10 (p11) and annexin A6 with the plasma membrane. We have investigated in vivo the influence of the pH(i) on the membrane association of human annexins A1, A2, A4, A5 and A6 tagged with fluorescent proteins, and characterized this interaction for endogenous annexins present in smooth muscle and HEK (human embryonic kidney)-293 cells biochemically and by immunofluorescence microscopy. Our results show that annexin A6 and the heterotetramer A2-S100A10 (but not annexins A1, A4 and A5) interact independently of Ca2+ with the plasma membrane at pH 6.2 and 6.6. The dimerization of annexin A2 within the annexin A2-S100A10 complex is essential for the pH-dependent membrane interaction at this pH range. The pH-induced membrane binding of annexins A6 and A2-S100A10 might have consequences for their functions as membrane organizers and channel modulators.
    Mesh-Begriff(e) Annexin A2/chemistry ; Annexin A6/chemistry ; Annexins/metabolism ; Apoptosis ; Calcium/metabolism ; Cell Line ; Cell Membrane/metabolism ; Cell Proliferation ; Humans ; Hydrogen-Ion Concentration ; Hypoxia ; Ions ; Microscopy, Fluorescence/methods ; Models, Biological ; S100 Proteins/chemistry
    Chemische Substanzen Annexin A2 ; Annexin A6 ; Annexins ; Ions ; S100 Proteins ; S100 calcium binding protein A10 ; Calcium (SY7Q814VUP)
    Sprache Englisch
    Erscheinungsdatum 2008-01-01
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2969-5
    ISSN 1470-8728 ; 0006-2936 ; 0306-3275 ; 0264-6021
    ISSN (online) 1470-8728
    ISSN 0006-2936 ; 0306-3275 ; 0264-6021
    DOI 10.1042/BJ20071116
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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