2 years. The 10-year prostate cancer specific survival rate for Gleason 6 or less, 3 + 4, 4 + 3 and 8-10 disease was 98.4%, 92.1%, 76.5% and 69.9%, respectively. Compared to patients buy ABT-737 with Gleason 3 + 4 disease those with Gleason 4 + 3 tumors were at increased risk for prostate cancer specific mortality in the unadjusted and multivariate models (HR 2.80, 95% CI 1.26-6.18 and HR 2.12, 95% CI 0.87-5.17, respectively). In men undergoing curative therapy with radical prostatectomy or radiation therapy there was an increased risk of recurrence/progression (HR 2.10, 95% CI 1.08-4.08) and prostate

cancer specific mortality (HR 3.17, 95% CI 1.04-9.67) in those with Gleason 4 + 3 vs 3 + 4 tumors in the multivariate models. No difference in prostate cancer specific mortality was seen between Gleason 4 + 3 and 8-10 tumors.

Conclusions: Gleason 7 prostate

cancer shows heterogeneous behavior with Gleason 3 + 4 and 4 + 3 tumors conferring different prostate cancer specific mortality. These data provide important information for counseling patients with Gleason 7 prostate cancer on the natural history of the disease and may inform treatment decisions.”
“The ability to learn about conditioned stimuli (CS) associated with rewards is a crucial adaptive mechanism. Activity in the mesocorticolimbic dopamine (DA) system, as well as in the ventral tegmental area (VTA), is correlated with responding to and learning about CSs. The mechanism by which VTA neurons become activated by signals associated with conditioned stimuli is not fully understood. Our model suggests that NMDA receptor stimulation in the VTA allows originally IWR-1 cell line weak glutamate signals carrying BLZ945 concentration information about environmental stimuli, coincident with strong excitation correlated with primary rewards, to be strengthened and thereby acquire the ability to activate VTA neurons in themselves, producing approach. Furthermore,

once synaptic strengthening occurs, the model suggests that NMDA receptor stimulation in VTA is not necessary for the expression of reward-related learning. In this review we survey evidence that VTA cells respond to cues associated with primary rewards, that this responding is acquired, and that the VTA possesses the attributes to function as a site of integration of signals of primary and conditioned stimuli. (C) 2009 Elsevier Ltd. All rights reserved.”
“Purpose: Although secondary radiation therapy decreases the risk of biochemical progression after radical prostatectomy, its impact on metastasis and survival is less well established. We evaluated the impact of adjuvant and salvage radiotherapy on clinical progression and mortality.

Materials and Methods: A total of 361 patients who received adjuvant radiation were matched based on clinicopathological features to patients who did not receive adjuvant radiation in a 2:1 case-control ratio.