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Sökning: WFRF:(Wilson Susan J.) > (2000-2004)

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1.
  • Hillier, Ladeana W, et al. (författare)
  • Sequence and comparative analysis of the chicken genome provide unique perspectives on vertebrate evolution
  • 2004
  • Ingår i: Nature. - 0028-0836 .- 1476-4687. ; 432:7018, s. 695-716
  • Tidskriftsartikel (refereegranskat)abstract
    • We present here a draft genome sequence of the red jungle fowl, Gallus gallus. Because the chicken is a modern descendant of the dinosaurs and the first non-mammalian amniote to have its genome sequenced, the draft sequence of its genome--composed of approximately one billion base pairs of sequence and an estimated 20,000-23,000 genes--provides a new perspective on vertebrate genome evolution, while also improving the annotation of mammalian genomes. For example, the evolutionary distance between chicken and human provides high specificity in detecting functional elements, both non-coding and coding. Notably, many conserved non-coding sequences are far from genes and cannot be assigned to defined functional classes. In coding regions the evolutionary dynamics of protein domains and orthologous groups illustrate processes that distinguish the lineages leading to birds and mammals. The distinctive properties of avian microchromosomes, together with the inferred patterns of conserved synteny, provide additional insights into vertebrate chromosome architecture.
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3.
  • Pourazar, Jamshid, et al. (författare)
  • Diesel exhaust exposure enhances the expression of IL-13 in the bronchial epithelium of healthy subjects.
  • 2004
  • Ingår i: Respiratory Medicine. - : Elsevier BV. - 0954-6111 .- 1532-3064. ; 98:9, s. 821-825
  • Tidskriftsartikel (refereegranskat)abstract
    • Epidemiological studies have demonstrated adverse health effects of environmental pollution. Diesel exhaust (DE) is an important contributor to ambient particulate matter pollution. DE exposure has been shown to induce a pronounced inflammatory response in the airways, with an enhanced epithelial expression of IL-8, and Gro-α in healthy subjects. The present investigation was aimed to further characterise the epithelial response to DE in vivo, with particular reference to possible TH2 response, in non-atopic healthy subjects. To determine this response, 15 healthy, non-atopic non-smoking subjects with normal lung function were exposed to DE (PM10 300 μg/m3) and filtered air during 1 h on two separate randomised occasions. Bronchoscopy sampling of bronchial mucosal biopsies was performed 6 h after exposure. Immunohistochemical staining were performed using mAb for IL-10, IL-13 and IL-18 expression. DE exposure induced a significant increase in the expression of IL-13 in the bronchial epithelium cells, 2.1 (1.35–4.88) Md (Q1–Q3) vs. air 0.94 (0.53–1.23); P=0.009. No significant changes were seen in IL-10 and IL-18 expression. This finding suggests an TH2-inflammatory response in the airways of non-atopic healthy individuals.
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