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Träfflista för sökning "WFRF:(Håkansson J.) srt2:(1995-1999)"

Sökning: WFRF:(Håkansson J.) > (1995-1999)

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  • Ringbom, Anders, et al. (författare)
  • The Pb-208(n,p)Tl-208 reaction at E-n=97 MeV
  • 1997
  • Ingår i: NUCLEAR PHYSICS A. - : ELSEVIER SCIENCE BV. - 0375-9474. ; 617:3, s. 316-330
  • Tidskriftsartikel (refereegranskat)abstract
    • Double-differential cross sections of the Pb-208(n,p) reaction have been measured at 97 MeV in the angular range 0 degrees-30 degrees for excitation energies up to 40 MeV. The experimental proton spectra have been compared with calculated spectra obtained
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  • van den Berg, J, et al. (författare)
  • Allelic loss at chromosome 13q12-q13 is associated with poor prognosis in familial and sporadic breast cancer
  • 1996
  • Ingår i: British Journal of Cancer. - 0007-0920. ; 74:10, s. 1615-1619
  • Tidskriftsartikel (refereegranskat)abstract
    • Loss of heterozygosity (LOH) was analysed in 84 primary tumours from sporadic, familial and hereditary breast cancer using five microsatellite markers spanning the chromosomal region 13q12-q13 which harbours the BRCA2 breast cancer susceptibility gene, and using one other marker located within the RBI tumour-suppressor gene at 13q14. LOH at the BRCA2 region was found in 34% and at RBI in 27% of the tumours. Selective LOH at BRCA2 occurred in 7% of the tumours, whereas selective LOH at RBI was observed in another 7%. Moreover, a few tumours demonstrated a restricted deletion pattern, suggesting the presence of additional tumour-suppressor genes both proximal and distal of BRCA2. LOH at BRCA2 was significantly correlated to high S-phase values, low oestrogen and progesterone receptor content and DNA non-diploidy. LOH at BRCA2 was also associated, albeit non-significantly, with large tumour size and the ductal and medullar histological types. No correlation was found with lymph node status, patient age or a family history of breast cancer. A highly significant and independent correlation existed between LOH at BRCA2 and early recurrence and death. LOH at RBI was not associated with the above mentioned factors or prognosis. The present study does not provide conclusive evidence that BRCA2 is the sole target for deletions at 13q12-q13 in breast tumours. However, the results suggest that inactivation of one or several tumour-suppressor genes in the 13q12-q13 region confer a strong tumour growth potential and poor prognosis in both familial and sporadic breast cancer.
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