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A high cannabinoid ...
A high cannabinoid CB(1) receptor immunoreactivity is associated with disease severity and outcome in prostate cancer
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Chung, Sui Chu (författare)
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- Hammarsten, Peter (författare)
- Umeå universitet,Patologi
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- Josefsson, Andreas (författare)
- Umeå universitet,Patologi
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- Stattin, Pär (författare)
- Umeå universitet,Urologi och andrologi
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Granfors, Torvald (författare)
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- Egevad, Lars (författare)
- Karolinska Institutet
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Mancini, Giacomo (författare)
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Lutz, Beat (författare)
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- Bergh, Anders (författare)
- Umeå universitet,Patologi
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- Fowler, Christopher J (författare)
- Umeå universitet,Farmakologi
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(creator_code:org_t)
- Elsevier BV, 2009
- 2009
- Engelska.
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Ingår i: European Journal of Cancer. - : Elsevier BV. - 0959-8049 .- 1879-0852. ; 45:1, s. 174-182
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- In the light of findings indicating that cannabinoids can affect the proliferation of a number of cancer cell types and that cannabinoid receptor expression is higher in prostate cancer cell lines than in non-malignant cells, we investigated whether the level of cannabinoid 1 receptor immunoreactivity (CB(1)IR) in prostate cancer tissues is associated with disease severity and outcome. Formalin-fixed paraffin-embedded non-malignant and tumour tissue samples from patients who were diagnosed with prostate cancer at a transurethral resection for voiding problems were used. CB(1)IR, which was scored in a total of 399 cases, was associated with the epithelial cell membranes, with little staining in the stroma. Patients with a tumour CB(1)IR score greater or equal to the median (2) had a significantly higher proportion of Gleason scores 8-10, metastases at diagnosis, tumour size and rate of cell proliferation at diagnosis than patients with a score<2. For 269 cases, tumour CB(1)IR was measured for patients who only received palliative therapy at the end stages of the disease, allowing the influence of CB(1)IR upon the disease outcome to be determined. Receiver operating characteristic (ROC) curves showed an area under the curve of 0.67 (95% confidence limits 0.59-0.74) for CB(1)IR in the tumour. CB(1)IR in non-malignant tissue was not associated with disease outcome. A tumour CB(1)IR score >or=2 was associated with a significantly lower disease specific survival. A Cox proportional hazards regression indicated that the tumour CB(1)IR score and the Gleason score were independent prognostic variables. It is concluded that a high tumour CB(1)IR score is associated with prostate cancer severity and outcome.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmakologi och toxikologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmacology and Toxicology (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Chung, Sui Chu
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Hammarsten, Pete ...
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Josefsson, Andre ...
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Stattin, Pär
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Granfors, Torval ...
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Egevad, Lars
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visa fler...
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Mancini, Giacomo
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Lutz, Beat
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Bergh, Anders
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Fowler, Christop ...
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visa färre...
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- MEDICIN OCH HÄLSOVETENSKAP
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- Artiklar i publikationen
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European Journal ...
- Av lärosätet
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Umeå universitet
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Karolinska Institutet