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  • Digitale Medien  (2)
  • Colorectal adenocarcinoma  (1)
  • Differential hybridization  (1)
  • Fruit development  (1)
Materialart
  • Digitale Medien  (2)
Erscheinungszeitraum
  • 1
    ISSN: 1432-2145
    Schlagwort(e): Key words Chitinase ; Defence ; Differential hybridization ; Fruit development ; Gibberellin ; Histone H2B
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  A set of fifteen cDNA clones from apple (Malus domestica Borkh) corresponding to fruit genes induced or enhanced by pollination have been identified by differential hybridization. Expression of corresponding mRNAs was induced in apple flowers by pollination, and in six clones mRNA levels also showed induction by gibberellin treatment of flowers. Sequence analysis and database searches showed that these cDNAs correspond to genes involved in defence responses, transport, protein and flavonoid synthesis, as well as cell division. One of the pollination-enhanced cDNAs was found to be similar to plant and animal genes encoding histone H2B. This mRNA was very highly expressed in flower buds and in fruit at early stages of development, but transcript levels were relatively low in young leaves and shoot tips. RNA in situ hybridization showed histone H2B mRNA detectable at high levels in the nucellus tissue of ovules in unopened flower buds. Five days after pollination, transcript levels decreased in the nucellus; however, weak signals were observed in the fleshy cortex tissue.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Diseases of the colon & rectum 36 (1993), S. 654-661 
    ISSN: 1530-0358
    Schlagwort(e): Small bowel adenocarcinoma ; Colorectal adenocarcinoma ; Crohn's disease
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report on 14 cases of intestinal adenocarcinoma complicating Crohn's disease, seven occurring in the small bowel and seven in the large bowel. In both locations, two-thirds of patients were male. The average ages at the time of diagnosis of Crohn's disease and of cancer were similar between the two groups of patients: 28 and 48 years, respectively. The diagnosis of cancer was suspected or obtained preoperatively in only four cases of large bowel cancer; in two patients with large bowel cancer and five with small bowel cancer, the diagnosis was made at laparotomy. In the remaining cases, only careful histologic examination revealed the carcinoma. Six small bowel cancers were located in the ileum, and five colonic cancers were distal to the splenic flexure. Two small bowel and one large bowel cancer were multifocal and had surrounding mucosal dysplasia. All tumors, except one small bowel cancer, underwent resection. Survival correlated with stage of tumor at resection; no patient with regional or distant metastasis survived five years, in comparison with an 83 percent five-year actuarial survival rate of patients with tumor confined to the intestinal wall. Mean survival was six months for patients with small bowel cancer in comparison with 65 months for patients with large bowel cancer, reflecting a tendency toward more advanced lesions in the small bowel cancer group.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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