Sökning: "intestinal mucosa"

Visar resultat 36 - 40 av 165 avhandlingar innehållade orden intestinal mucosa.

  1. 36. Butyrophilin- and Butyrophilin-like genes and their role in epithelial cell-intraepithelial T lymphocyte cross-talk

    Författare :Cristina Lebrero-Fernandez; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Butyrophilin-like Btnl ; Butyrophilin Btn ; Intraepithelial lymphocytes IELs ; Mucosal immunity; Intestinal epithelial cells; γδ T cells; Intestinal inflammation; Colon cancer; Ulcerative colitis;

    Sammanfattning : More than 50% of our immune system is located in the gut. The intestinal epithelium, which forms an interface between the organism and the environment, harbors intraepithelial lymphocytes (IELs) that comprise a mixture of conventional αβ T cells and unconventional αβ- and γδ T cells. LÄS MER

  2. 37. Vibrio cholerae modulates the immune defense of human gut mucosa

    Författare :Aziz Bitar; Marie-Louise Hammarström; Sun Nynt Wai; Mikael Rehn; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Vibrio cholerae; intestinal epithelial cell; duodenum biopsy; acute cholera; immunomodulation; microRNA; OMV; cytokine; T84 monolayer; miR-146; miR-155; VCC; PrtV; hemolysis; IL-8; TNF-a; IL-1b; IL-18; CCL20; IRAK2; inflammation; mikrobiologi; Microbiology; immunologi; Immunology;

    Sammanfattning : The key function of innate immunity is to sense danger signals and initiate effective responses as a defense mechanism against pathogens. Simultaneously, effector responses must be regulated to avoid excessive inflammation with resulting tissue damage. LÄS MER

  3. 38. Immune response of the small intestinal mucosa in children with celiac disease : impact of two environmental factors, resident microbiota and oats

    Författare :Veronika Sjöberg; Marie-Louise Hammarström; Olle Hernell; Katri Kaukinen; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Celiac disease; Oats; Microflora; Immune response; immunologi; Immunology;

    Sammanfattning : Celiac disease (CD) is an immune-mediated enteropathy caused by permanent intolerance to dietary gliadin in wheat gluten and related prolamines in barley and rye. The pathogenesis of CD is still unknown and several different environmental factors have been associated with CD, such as dysbiosis of the microflora. LÄS MER

  4. 39. The enterocyte in small intestinal adaption : an experimental and clinicopathological study with special reference to the ultrastructure of the brush border

    Författare :Roger Stenling; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Scanning electron microscopy; transmission electron microscopy; stereology;

    Sammanfattning : The small intestine mucosa is known to be able to adapt itself to several kinds of both physiological and pathological conditions. The adaptive patterns of the structure of the enterocytes, particularly their apical surface (brush border), were studied in three models: (1) in rats, subjected to antrectomy or antral exclusion, combined with gastroduodenostomy and gastrojejunostomy; (2) in rats with alloxan dia­betes; (3) in children with coeliac disease; a) in its active phase; b) after long-term treatment with gluten-free diets; c) after long-term challenge with dietary gluten following treatment; d) after short-term elimination of dietary gluten. LÄS MER

  5. 40. Microarray analyses of the small intestinal mucosa during experimental and clinical cholera

    Författare :Carl-Fredrik Flach; Göteborgs universitet; []
    Nyckelord :Vibrio cholerae; cholera toxin; microarray; transporter; intraepithelial lymphocytes; innate defence;

    Sammanfattning : Vibrio cholerae is a Gram-negative bacterium and the causative agent of cholera. The bacteria infect humans via contaminated water and food, and colonize the upper parts of the small intestine to cause disease. The disease is characterized by watery diarrhoea and most of its clinical features can be attributed to the secreted cholera toxin (CT). LÄS MER