نتایج جستجو برای: تیغه برش pdc

تعداد نتایج: 11485  

Journal: :Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi 2013
I Hassan C Brendel A Zielke A Burchert R Danila

UNLABELLED Endocrine orbitopathy (EO) is the most common extrathyroidal manifestation of Graves disease (GD) but the involvement of the underlying immunological dysregulations remains largely unknown. The major source for IFNa-production, plasmacytoid dendritic cells (PDC) are fundamentally involved in the integration of TH1 and TH2 immune responses but also implicated in the pathogenesis of au...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1389

در این تحقیق برهمکنش تیغه مستقیم با خاک موجود در جعبه خاک آزمایشی کارگاه مکانیک ماشین های کشاورزی دانشگاه ارومیه، توسط نرم افزار تجاری المان مجزا، pfc مورد بررسی قرار گرفته است. خاک، از نوع ماسه با دانه بندی خوب تعیین شد. خصوصیات ماکرو این خاک از جمله زاویه اصطکاک داخلی خاک و چسبندگی خاک یا انجام تست برش مستقیم، به ترتیب برابر با 31 و صفر تعیین شدند. دو مدل ساختاری تماسی با استفاده از دو روش مت...

2001

The nsmb code (Navier-Stokes Multi-Block) solves the fully coupled system of equations simultaneously using a cell-centered finitevolume approach. This note assesses the sensitivity to some turbulence models and numerical schemes implemented in nsmb when computing two test cases in standard mode, that is, without tuning the code to these two cases. The cases are 1. subsonic flow around the ms(1...

Journal: :Journal of leukocyte biology 2005
Nathalie Bendriss-Vermare Stéphanie Burg Holger Kanzler Laurence Chaperot Thomas Duhen Odette de Bouteiller Marjorie D'agostini Jean-Michel Bridon Isabelle Durand Joel M Sederstrom Wei Chen Joël Plumas Marie-Christine Jacob Yong-Jun Liu Pierre Garrone Giorgio Trinchieri Christophe Caux Francine Brière

Depending on the activation status, plasmacytoid dendritic cells (PDC) and myeloid DC have the ability to induce CD4 T cell development toward T helper cell type 1 (Th1) or Th2 pathways. Thus, we tested whether different activation signals could also have an impact on the profile of chemokines produced by human PDC. Signals that induce human PDC to promote a type 1 response (i.e., viruses) and ...

Journal: :Journal of immunology 2008
AnnaMaria De Filippo Robert J Binder Chiara Camisaschi Valeria Beretta Flavio Arienti Antonello Villa Pamela Della Mina Giorgio Parmiani Licia Rivoltini Chiara Castelli

Glucose-regulated stress protein gp96 is known to be involved in the host response to pathogens and to cancer. Our study explored the relationships between gp96 and human blood plasmacytoid dendritic cells (pDC) and proved that gp96 directly targets pDC by a receptor-dependent interaction. Competition studies identified CD91 as a gp96 receptor on pDC, and laser confocal imaging indicated that C...

2014
Isabelle Bekeredjian-Ding Johann Greil Sandra Ammann Marijo Parcina

Plasmacytoid dendritic cells (pDC) are a rare subset of leukocytes equipped with Fcγ and Fcε receptors, which exert contrary effects on sensing of microbial nucleic acids by endosomal Toll-like receptors. In this article, we explain how pDC contribute to the immune response to Staphylococcus aureus. Under normal circumstances the pDC participates in the memory response to the pathogen: pDC acti...

2009
Gabrielle Lui Olivier Manches Juliette Angel Jean-Paul Molens Laurence Chaperot Joël Plumas

Among the different subsets of dendritic cells (DC), plasmacytoid dendritic cells (PDC) play a unique role in secreting large amounts of type I interferons upon viral stimulation, but their efficiency as antigen-presenting cells has not been completely characterized. We show here, by flow cytometry, with human primary blood PDC and with a PDC cell line, that PDC display poor endocytic capacity ...

Journal: :Journal of leukocyte biology 2004
Nicholas J Megjugorac Howard A Young Sheela B Amrute Stacey L Olshalsky Patricia Fitzgerald-Bocarsly

The natural interferon (IFN)-producing cell is now known to be identical to the plasmacytoid dendritic cell (PDC). These are Lin-, CD123+, CD11c-, and human leukocyte antigen-DR+ cells that secrete large amounts of IFN-alpha (1-2 IU/cell) when stimulated by enveloped viruses such as herpes simplex virus. In the current study, we have evaluated chemokine expression by virally stimulated PDC. Up-...

Journal: :Experimental hematology 2012
Stéphanie Demoulin Patrick Roncarati Philippe Delvenne Pascale Hubert

Plasmacytoid dendritic cells (pDC), a subset of dendritic cells characterized by a rapid and massive type-I interferon secretion through the Toll-like receptor pathway in response to viral infection, play important roles in the pathogenesis of several diseases, such as chronic viral infections (e.g., hepatitis C virus, human immunodeficiency virus), autoimmunity (e.g., psoriasis, systemic lupus...

2016
Michelle Yang Aseeb Ur Rehman Chunlai Zuo Christine E. Sheehan Edward C Lee Jingmei Lin Zijin Zhao Euna Choi Hwajeong Lee

The conventional histologic grading of colorectal cancer (CRC) is less suited for resected rectal cancer following neoadjuvant chemoradiation. Enumeration of poorly differentiated clusters (PDC) is a recently proposed histologic grading scheme. We aimed to apply PDC grading to treated rectal cancer and to test the prognostic significance of this novel approach. Archived hematoxylin and eosin sl...

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