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Nicola Harris

Cette personne n’est plus à l’EPFL

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Publications associées (56)

Gut microbiota metabolism of dietary fiber influences allergic airway disease and hematopoiesis

Nicola Harris, Benjamin John Marsland, Eva Sabrina Gollwitzer

Metabolites from intestinal microbiota are key determinants of host-microbe mutualism and, consequently, the health or disease of the intestinal tract. However, whether such host-microbe crosstalk influences inflammation in peripheral tissues, such as the ...

Nature Publishing Group2014

Mucosal immune responses following intestinal nematode infection

Nicola Harris

In most natural environments, the large majority of mammals harbour parasitic helminths that often live as adults within the intestine for prolonged periods (1-2years) . Although these organisms have been eradicated to a large extent within westernized hum ...

Wiley-Blackwell2014

Thymic stromal lymphopoietin plays divergent roles in murine models of atopic and nonatopic airway inflammation

Ilaria Mosconi, Nicola Harris, Benjamin John Marsland

BackgroundThymic stromal lymphopoietin (TSLP) is a cytokine primarily produced by epithelial cells, which has been shown to be a potent inducer of T-helper 2 (Th2)-type responses. However, TSLP has pleiotropic effects upon immune cells, and although extens ...

Wiley-Blackwell2014

TSLP promotes influenza-specific CD8+ T-cell responses by augmenting local inflammatory dendritic cell function

Nicola Harris, Benjamin John Marsland

Thymic stromal lymphopoietin (TSLP) is a mucosal tissue-associated cytokine that has been widely studied in the context of T helper type 2 (Th2)-driven inflammatory disorders. Although TSLP is also produced upon viral infection in vitro, the role of TSLP i ...

Nature Publishing Group2013

IL-1β Suppresses Innate IL-25 and IL-33 Production and Maintains Helminth Chronicity

Nadine Guenat, Ilaria Mosconi, Nicola Harris, Benjamin John Marsland, Mario Michael Zaiss

Approximately 2 billion people currently suffer from intestinal helminth infections, which are typically chronic in nature and result in growth retardation, vitamin A deficiency, anemia and poor cognitive function. Such chronicity results from co-evolution ...

Public Library Science2013

Antibodies Trap Tissue Migrating Helminth Larvae and Prevent Tissue Damage by Driving IL-4Rα-Independent Alternative Differentiation of Macrophages

Fei Chen, Arne Seitz, Ilaria Mosconi, Nicola Harris, Julia Esser-von Bieren, Romain Guiet, Beatrice Volpe, Alessandra Piersigilli

Approximately one-third of the world's population suffers from chronic helminth infections with no effective vaccines currently available. Antibodies and alternatively activated macrophages (AAM) form crucial components of protective immunity against chall ...

Public Library of Science2013

The Mucosal Adjuvant Cholera Toxin B Instructs Non-Mucosal Dendritic Cells to Promote IgA Production Via Retinoic Acid and TGF-β

Nicola Harris

It is currently unknown how mucosal adjuvants cause induction of secretory immunoglobulin A (IgA), and how T cell-dependent (TD) or -independent (TI) pathways might be involved. Mucosal dendritic cells (DCs) are the primary antigen presenting cells driving ...

Public Library of Science2013

Intestinal bacteria induce TSLP to promote mutualistic T-cell responses

Ilaria Mosconi, Nicola Harris, Mario Michael Zaiss

Thymic stromal lymphopoietin (TSLP) is constitutively expressed in the intestine and is known to regulate inflammation in models of colitis. We show that steady-state TSLP expression requires intestinal bacteria and has an important role in limiting the ex ...

Nature Publishing Group2013

Antibodies and IL-3 support helminth-induced basophil expansion

Manuel Kulagin, Nicola Harris, Tina Herbst, Mario Michael Zaiss, Julia Esser-von Bieren

Basophils are powerful mediators of Th2 immunity and are present in increased numbers during allergic inflammation and helminth infection. Despite their ability to potentiate Th2 immunity the mechanisms regulating basophil development remain largely unknow ...

National Academy of Sciences2012

Cre-mediated cell ablation contests mast cell contribution in models of antibody- and T cell-mediated autoimmunity

Nicola Harris

Immunological functions of mast cells remain poorly understood. Studies in Kit mutant mice suggest key roles for mast cells in certain antibody- and T cell-mediated autoimmune diseases. However, Kit mutations affect multiple cell types of both immune and n ...

Elsevier2011

To B or not to B: B cells and the Th2-type immune response to helminths

Nicola Harris

Similar T helper (Th)2-type immune responses are generated against different helminth parasites, but the mechanisms that initiate Th2 immunity, and the specific immune components that mediate protection against these parasites, can vary greatly. B cells ar ...

2011

Advances in helminth immunology: optimism for future vaccine design?

Nicola Harris

Intestinal helminths infect approximately 2 billion people worldwide. Worm burdens correlate with disease morbidity and children generally harbor the largest numbers. The majority of intestinal helminths do not replicate within their host, and worm burdens ...

2011

Dysregulation of Allergic Airway Inflammation in the Absence of Microbial Colonization

Nicola Harris, Tina Herbst, Benjamin John Marsland

RATIONALE: The incidence of allergic disorders is increasing in developed countries and has been associated with reduced exposure to microbes and alterations in the commensal bacterial flora. OBJECTIVES: To ascertain the relevance of commensal bacteria upo ...

2011

Human U6 promoter drives stronger shRNA activity than its schistosome orthologue in Schistosoma mansoni and human fibrosarcoma cells

Raphaël Duvoisin, Nicola Harris

Blood flukes or schistosomes are the causative agents of human schistosomiasis, one of the major neglected tropical diseases. Draft genome sequences have been reported for schistosomes, but functional genomics tools are needed to investigate the role and e ...

2011

HVEM Signalling Promotes Colitis

Nicola Harris, Stefanie Hiltbrunner

Tumor necrosis factor super family (TNFSF) members regulate important processes involved in cell proliferation, survival and differentiation and are therefore crucial for the balance between homeostasis and inflammatory responses. Several members of the TN ...

Public Library of Science2011

Tissue macrophages suppress viral replication and prevent severe immunopathology in an interferon-I-dependent manner in mice

Nicola Harris

The innate immune response plays an essential role in the prevention of early viral dissemination. We used the lymphocytic choriomeningitis virus model system to analyze the role of tissue macrophages/Kupffer cells in this process. Our findings demonstrate ...

2010

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