411 results match your criteria: "Center for Infectiology[Affiliation]"

Article Synopsis
  • Axi-cel (axi-cel) and tisagenlecleucel (tisa-cel) are advanced T-cell therapies for treating resistant diffuse large B-cell lymphoma (DLBCL), evaluated in major clinical trials (ZUMA-1 and JULIET) and a French registry that examined data from 729 patients.
  • Axi-cel showed better overall survival and progression-free survival compared to tisa-cel but was linked to more severe immune-related side effects, while no significant difference was found in serious cytokine release syndrome.
  • The cost-effectiveness analysis indicated that axi-cel is more economically favorable, costing €15,520 per quality-adjusted life year compared to tisa-cel.
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Article Synopsis
  • Angioimmunoblastic T cell lymphoma (AITL) is a rare and poorly treated cancer, but a new murine model has been developed to test potential therapies, particularly CAR T cell therapy targeting the cancer-driving CD4 Tfh cells.
  • Researchers utilized a lentiviral vector to create a CD4-specific CAR that only affects CD8 T cells, preventing damage to the CAR T cells themselves.
  • Results showed that these engineered CD8 T cells successfully eliminated malignant CD4 Tfh cells in mouse models, leading to significantly prolonged survival and a reduction in tumor size, indicating a promising new treatment approach for T cell lymphomas.
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Construct prognostic models of multiple myeloma with pathway information incorporated.

PLoS Comput Biol

September 2024

Institute of Computation Biomedicine and Center for Infectiology, Medical Faculty Heidelberg, Heidelberg University, Heidelberg, Germany.

Multiple myeloma (MM) is a hematological disease exhibiting aberrant clonal expansion of cancerous plasma cells in the bone marrow. The effects of treatments for MM vary between patients, highlighting the importance of developing prognostic models for informed therapeutic decision-making. Most previous models were constructed at the gene level, ignoring the fact that the dysfunction of the pathway is closely associated with disease development and progression.

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Objective: To evaluate, through a systematic literature review, whether periodontal status in HIV-infected individuals is different from those non-HIV-infected.

Materials And Methods: A systematic search for published observational studies within six electronic databases and grey literature was conducted, PROSPERO database number CRD42020160062. Results from studies reporting clinical periodontal parameters: probing pocket depth, bleeding on probing, clinical attachment level, plaque index, and gingival index, in HIV- and non-HIV-infected individuals were reviewed.

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Is doxycycline post-exposure prophylaxis being utilised in Germany? Insights from an online survey among German men who have sex with men.

Infection

July 2024

TUM School of Medicine and Health, Department of Clinical Medicine, Clinical Department for Internal Medicine II, University Medical Center, Technical University of Munich, Munich, Germany.

Article Synopsis
  • Doxycycline post-exposure prophylaxis (Doxy-PEP) significantly lowers the risk of Chlamydia and early syphilis by about two-thirds, but data on its use among men who have sex with men (MSM) is sparse.
  • A national online survey in Germany engaged 438 MSM and transgender women, revealing that 38.8% were aware of Doxy-PEP, and 62.8% would consider using it; however, only 7.3% had actually used it.
  • Participants expressed concerns about the lack of detailed information and antibiotic resistance as barriers to usage, highlighting a gap between awareness and actual uptake of Doxy-PEP among MSM, particularly those living with
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Measles virus (MeV) presents a public health threat that is escalating as vaccine coverage in the general population declines and as populations of immunocompromised individuals, who cannot be vaccinated, increase. There are no approved therapeutics for MeV. Neutralizing antibodies targeting viral fusion are one potential therapeutic approach but have not yet been structurally characterized or advanced to clinical use.

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How to treat monogenic SLE?

Best Pract Res Clin Rheumatol

September 2024

Pediatric Rheumatology, Nephrology, Dermatology Department, CMR RAISE, Women-Mother-Child Hospital, Hospices Civils de Lyon, Bron, France; CIRI, Centre International de Recherche en Infectiologie/International Center for Infectiology Research, Université de Lyon, INSERM, Institut National de La Santé Et de La Recherche Médicale, U1111, Université Claude Bernard Lyon 1, Lyon, France; CNRS, Centre National de La Recherche Scientifique, UMR5308, Lyon, France. Electronic address:

Systemic lupus erythematosus is a rare and life-threatening autoimmune disease characterized by autoantibodies against double-stranded DNA, with an immunopathology that remains partially unclear. New insights into the disease have been provided by the discovery of key mutations leading to the development of monogenic SLE, occurring in the context of early-onset disease, syndromic lupus, or familial clustering. The increased frequency of discovering these mutations in recent years, thanks to the advent of genetic screening, has greatly enhanced our understanding of the immunopathogenesis of SLE.

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Objectives: To identify sexual/sex-associated risk factors for hepatitis C transmission among men who have sex with men (MSM) and visualise behavioural trajectories from 2019 to 2021.

Methods: We linked a behavioural survey to a hepatitis C cohort study (NoCo), established in 2019 across six German HIV/hepatitis C virus (HCV) treatment centres, and performed a case-control analysis. Cases were MSM with recent HCV infection, and controls were matched for HIV status (model 1) or proportions of sexual partners with HIV (model 2).

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Article Synopsis
  • Follicular helper T-cell lymphomas (TFHL) often have gene alterations affecting DNA methylation, and preliminary studies indicate that 5-azacitidine may be effective for patients with relapsed TFHL.
  • This study compared the oral azacitidine treatment to typical therapies (like gemcitabine and bendamustine) in patients over 18 with relapsed or refractory TFHL across five European countries and Japan.
  • The trial enrolled 86 patients, showing that those treated with azacitidine had a median progression-free survival of 5.6 months, significantly longer compared to 2.8 months for those receiving standard therapy.
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The diheteroarylamide-based compound 1C8 and the aminothiazole carboxamide-related compound GPS167 inhibit the CLK kinases, and affect the proliferation of a broad range of cancer cell lines. A chemogenomic screen previously performed with GPS167 revealed that the depletion of components associated with mitotic spindle assembly altered sensitivity to GPS167. Here, a similar screen performed with 1C8 also established the impact of components involved in mitotic spindle assembly.

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CAR T cells outperform CAR NK cells in CAR-mediated effector functions in head-to-head comparison.

Exp Hematol Oncol

May 2024

Cellular Immunotherapy, Institute of Experimental Immunology, University of Zürich, Winterthurerstrasse 190, 8057, Zurich, Switzerland.

Background: CAR NK cells as vehicles for engineered "off-the-shelf" cellular cancer immunotherapy have attracted significant interest. Nonetheless, a comprehensive comparative assessment of the anticancer activity of CAR T cells and CAR NK cells carrying approved benchmark anti-CD19 CAR constructs is missing. Here, we report a direct head-to-head comparison of CD19-directed human T and NK cells.

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Article Synopsis
  • Acute leukaemias are serious blood cancers that require quick and accurate diagnosis of their three main types (ALL, AML, APL) to ensure proper treatment and reduce mortality risk, but expert diagnosis can be challenging due to resource limitations.
  • Researchers aimed to develop a machine-learning model using routine laboratory data to identify leukaemia subtypes and improve diagnostic accuracy without the need for extensive cytological expertise.
  • The study involved data from six French hospitals and successfully built the Artificial Intelligence Prediction of Acute Leukemia (AI-PAL) tool, which demonstrated strong performance in predicting leukaemia subtypes based on 19 selected laboratory parameters from the patient datasets.
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Treatment for behavioral insomnia in young children with neurotypical development under 6 years of age: A systematic review.

Sleep Med Rev

April 2024

Swiss Distance Learning University, Faculty of Psychology, Brig, Switzerland; Research Laboratory on the Physiology of the Brain Arousal System, CRNL, INSERM-U1028, CNRS UMR5292, Lyon, France.

This literature review examines all treatments for behavioral insomnia in children under 6 years of age to determine which treatments have empirically demonstrated efficacy. Following PRISMA guidelines, three databases were investigated (Pubmed, Cochrane and Psychinfo) to select randomized controlled trials (RCTs) which assess treatments for behavioral insomnia in children under 6 years of age, all with neurotypical development. A total of 908 articles met the search criteria.

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Article Synopsis
  • - Atopic dermatitis (AD) is a chronic skin condition that often coexists with ocular surface diseases (OSD), yet the prevalence and referral criteria for OSD in AD patients needing treatment are unclear.
  • - A study examined 98 AD patients and found that 85% had OSD, with the most common issues being dry eye syndrome and allergic conjunctivitis, even in patients who didn’t report eye symptoms.
  • - Identified risk factors for developing OSD include history of allergic rhinitis, sensitization, and certain ocular symptoms, suggesting that AD patients may need regular eye evaluations, especially before starting type 2 inflammation therapies.
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(1) Background: Breast cancer is the most prevalent cancer found in women in Mali. The aim of the current study was to determine the association between metabolites circulating in the blood, 25(OH)D and 1,25(OH)D, and vitamin D levels with the risk of breast cancer in Malian women. (2) Methods: We conducted a prospective case-control study from August 2021 to March 2022.

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Article Synopsis
  • Oral vaccination is effective for stimulating immune responses, with GALT and Peyer's patches being key players; however, our knowledge about these systems in dogs is still limited.
  • The research involved advanced techniques like immunofluorescence, flow cytometry, and single-cell RNA sequencing to study canine Peyer's patches and their immune cell populations.
  • The development of a specific antibody targeting canine M cells will assist in understanding how antigens enter the dog's GALT, providing insights for future studies on dog immune responses and diseases.
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Transmitted drug resistance and subtype patterns of viruses from reported new HIV diagnoses in Germany, 2017-2020.

BMC Infect Dis

October 2023

Unit 18 "HIV and other Retroviruses, Sexually transmitted bacterial Pathogens (STI) and HIV", Department of Infectious Diseases, Robert Koch Institute, Berlin, Germany.

Background: The transmission of resistant HIV variants jeopardizes the effective use of antiretrovirals for therapy and prophylaxis. Molecular surveillance of new HIV diagnoses with a focus on prevalence and type of resistance associated mutations and the subtype of circulating viruses is mandatory.

Method: From 2017 to 2020, 11,527 new HIV diagnoses were reported in Germany to the Robert Koch Institute (RKI).

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Phenotypic Variability in PRKCD: a Review of the Literature.

J Clin Immunol

November 2023

Department of Paediatric Immunology and Infectious Diseases Service, Bristol Royal Children's Hospital for Children, Upper Maudlin St, Bristol, BS2 8BJ, UK.

Purpose: Protein kinase C δ (PKCδ) deficiency is a rare genetic disorder identified as a monogenic cause of systemic lupus erythematosus in 2013. Since the first cases were described, the phenotype has expanded to include children presenting with autoimmune lymphoproliferative syndrome-related syndromes and infection susceptibility similar to chronic granulomatous disease or combined immunodeficiency. We review the current published data regarding the pathophysiology, clinical presentation, investigation and management of PKCδ deficiency.

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Article Synopsis
  • Scientists are trying to understand how certain immune cells, called lymphocytes, develop in our bodies.
  • They found that there are different paths these cells can take, and new types of cells called multi-lymphoid progenitors (MLPs) form before becoming either NK, ILC, T cells, or B cells.
  • The way these cells grow and develop is really different depending on the kind of immune cell they will become, and the scientists discovered new important steps and controls in this process.
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Inflammation and cytopenia are commonly observed during Ebola virus (EBOV) infection; however, mechanisms responsible for EBOV-induced cell death remain obscure. While apoptosis and necrosis are already identified as mechanisms of cell death induced by the virus, our study demonstrates that THP-1 monocytes and SupT1 T cells exposed to EBOV undergo pyroptosis and necroptosis, respectively, through a direct contact with EBOV, and also mediate pyroptosis or necroptosis of uninfected bystander cells via indirect effects associated with secreted soluble factors. These results emphasize novel aspects of interactions between EBOV and immune cell populations and provide a better understanding of the immunopathogenesis of EBOV disease.

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Mouse Models of Henipavirus Infection.

Methods Mol Biol

August 2023

Immunobiology of Viral Infections, International Center for Infectiology Research-CIRI, INSERM U1111, CNRS UMR5308, University Lyon 1, ENS de Lyon, Lyon, France.

The Nipah and Hendra viruses, belonging to henipavirus genus, are recently emerged zoonotic pathogens that cause severe and often fatal, neurologic, and/or respiratory diseases in both humans and various animals. As mice represent a small animal model convenient to study viral infections and provide a well-developed experimental toolbox for analysis in immunovirology, we describe in this chapter a few basic methods used in biosafety 4 level (BSL4) conditions to study henipavirus infection in mice.

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Brand-specific estimates of influenza vaccine effectiveness for the 2021-2022 season in Europe: results from the DRIVE multi-stakeholder study platform.

Front Public Health

August 2023

Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana (Fisabio), Valencia, Spain.

Article Synopsis
  • DRIVE was a European public-private partnership launched in 2017 to estimate influenza vaccine effectiveness (IVE) for public health, conducting studies until the 2021-2022 season.
  • In 2021-2022, multiple studies across several European countries involved extensive data collection from over 1,000 general practitioners and several hospitals, utilizing a test-negative design to assess vaccine effectiveness.
  • Results showed varying IVE estimates, with notable effectiveness in older adults and children, though sample size limitations impacted precision due to low influenza circulation in Europe that season.
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Objective: Telemedicine has widely expanded during the coronavirus disease-2019 pandemic. Our objective was to evaluate the feasibility, safety, effectiveness, and satisfaction of pre-anaesthesia telephone consultation (PATC).

Methods: From December 2015 to October 2016, a prospective survey was administered to anaesthesiologists, nurse anaesthetists, and patients of the ambulatory and maxillofacial departments.

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