Prostatic Neoplasms: Kataja V

Horwich A, Parker C, Kataja V, Anonymous00130. · Department of Clinical Oncology, Royal Marsden Hospital, Sutton, UK. · Ann Oncol. · Pubmed #18456765 links to  free full text

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Erkko H, Xia B, Nikkilä J, Schleutker J, Syrjäkoski K, Mannermaa A, Kallioniemi A, Pylkäs K, Karppinen SM, Rapakko K, Miron A, Sheng Q, Li G, Mattila H, Bell DW, Haber DA, Grip M, Reiman M, Jukkola-Vuorinen A, Mustonen A, Kere J, Aaltonen LA, Kosma VM, Kataja V, Soini Y, Drapkin RI, Livingston DM, Winqvist R. · Department of Clinical Genetics, University of Oulu and Oulu University Hospital, FIN-90029 OYS, Finland. · Nature. · Pubmed #17287723 No free full text.

Abstract: BRCA1, BRCA2 and other known susceptibility genes account for less than half of the detectable hereditary predisposition to breast cancer. Other relevant genes therefore remain to be discovered. Recently a new BRCA2-binding protein, PALB2, was identified. The BRCA2-PALB2 interaction is crucial for certain key BRCA2 DNA damage response functions as well as its tumour suppression activity. Here we show, by screening for PALB2 mutations in Finland that a frameshift mutation, c.1592delT, is present at significantly elevated frequency in familial breast cancer cases compared with ancestry-matched population controls. The truncated PALB2 protein caused by this mutation retained little BRCA2-binding capacity and was deficient in homologous recombination and crosslink repair. Further screening of c.1592delT in unselected breast cancer individuals revealed a roughly fourfold enrichment of this mutation in patients compared with controls. Most of the mutation-positive unselected cases had a familial pattern of disease development. In addition, one multigenerational prostate cancer family that segregated the c.1592delT truncation allele was observed. These results indicate that PALB2 is a breast cancer susceptibility gene that, in a suitably mutant form, may also contribute to familial prostate cancer development.

Guedea F, Aguilo F, Polo A, Langley S, Laing R, Henderson A, Aaltomaa S, Kataja V, Palmgren J, Bladou F, Salem N, Gravis G, Losa A, Guazzoni G, Nava L. · Department of Radiotherapy, Catalan Institute of Oncology, Barcelona, Spain. · Radiother Oncol. · Pubmed #16831480 No free full text.

Abstract: BACKGROUND AND PURPOSE: Five European centres (France, Finland, Italy, Spain and the UK) have pooled data to generate a large patient series involving 1175 patients treated with prostate brachytherapy. This paper reports preliminary data on PSA outcome up to 4 years. PATIENTS AND METHODS: Out of 1175 in the database, 1050 patients with localised prostate cancer who had received transperineal seed implantation as monotherapy between May 1998 and August 2003 were stage T1-T2. A total of 668 (63.6%) patients met the low-risk group definition, 297 (28.3%) as intermediate-risk definition and 66 (6.3%) the high-risk group definition. The majority of patients were Gleason score 6 or less (n=951) and disease stage was T1c in 557 patients. RESULTS: Of the 1050 patients, PSA data up to 4 years were available for 210 patients, while 364 patients with PSA values up to 36 months were evaluable by the Kaplan-Meier method for freedom from biochemical failure. The biochemical progression-free rate at 3 years was estimated to be 91%, with a 93% and 88% rate for low- and intermediate-risk groups, respectively, versus 80% for the high-risk group. PSA kinetics provide encouraging evidence of treatment efficacy. CONCLUSION: These data on 4-year PSA follow-up on patients treated with prostate brachytherapy reflect those previously reported in the literature. This patient series will be followed to provide long-term outcome in the future.

Langley S, Laing R, Henderson A, Aaltomaa S, Kataja V, Palmgren JE, Bladou F, Salem N, Serment G, Nava L, Losa A, Guazzoni G, Guedea F, Aguilo F, Suarez JF. · Department of Urology, St Luke's Cancer Centre, Royal Surrey County Hospital, Stirling Road, Guildford, Surrey GU2 5XX, UK. · Eur Urol. · Pubmed #15474264 No free full text.

Abstract: OBJECTIVE: To establish a multi-centre database of a large number of patients treated with brachytherapy across Europe. METHODS: A total of 1175 patient files were registered in the database and the completeness of the data on these patients resulted in the majority being included in the analysis. RESULTS: The database of patients treated with brachytherapy across Europe indicates that optimal patient selection for this procedure has been made, both in terms of outcome and side-effects, which will be subject of future analyses. This should enable refinement of the treatment choice and administration as well as provide useful guidance to other centres that want to establish this procedure for their patients. It will also set the ground for prospective studies. CONCLUSIONS: The established database indicates that brachytherapy as a treatment option for prostate cancer is well established in many centres.