INT67884
From wiki-pain
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Sentences Mentioned In
Key: | Protein | Mutation | Event | Anatomy | Negation | Speculation | Pain term | Disease term |
Nevertheless, in metastatic breast cancer, retrospective studies showed that elevated uPA or PAI-1 present in the primary tumor are associated with a poor response to later palliative endocrine therapy [14] suggesting that high levels of uPA and/or PAI-1 do reflect an aggressive phenotype that may be overcome by early systemic therapy in the adjuvant setting but not by palliative therapy at a later stage of the disease. | |||||||||||||||
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Nevertheless, in metastatic breast cancer, retrospective studies showed that elevated uPA or PAI-1 present in the primary tumor are associated with a poor response to later palliative endocrine therapy [14] suggesting that high levels of uPA and/or PAI-1 do reflect an aggressive phenotype that may be overcome by early systemic therapy in the adjuvant setting but not by palliative therapy at a later stage of the disease. | |||||||||||||||
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However, despite attaining the of highest level of evidence for clinical application, uPA and PAI-1 are not widely used in clinical practice. | |||||||||||||||
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The measurement of uPA- and PAI-1-expression at the mRNA level using molecular biology techniques could thus constitute an alternative to the immunochemical assays currently being used. | |||||||||||||||
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Several recent analyses indicated that breast cancer patients with high uPA/PAI-1 protein levels derived a significantly greater benefit from adjuvant chemotherapy than patients with low uPA/PAI-1 contents [10,11]. | |||||||||||||||
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Increased uPA messenger level was also associated with metastasis-free survival and breast cancer specific survival in univariate analysis, but did not represent a statistically significant independent prognostic factor. | |||||||||||||||
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ER stress markers such as glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP) and activating transcription factor (ATF)-3 were enhanced by sulindac sulfide in colon cancer cells. | |||||||||||||||
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Celecoxib caused phosphorylation of eukaryotic translation initiation factor 2 kinase (PERK) and eukaryotic initiation factor-2alpha (eIF2alpha) and production of activating transcription factor (ATF)4 mRNA. | |||||||||||||||
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This may activate urokinase plasminogen activator (uPA) and gelatinase enzymes, which play a crucial role in trophoblast invasion. | |||||||||||||||
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Doses of unmicronized 1, 10 and 50 mg UPA exhibit proportional increases in peak serum levels, but serum levels from higher doses, 100 and 200 mg, are not dose-dependent, suggesting saturation of carrier sites.17 | |||||||||||||||
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Pregnancy rates with LNG EC in the first 24 hours are approximately 1.5%, but increase to 2.6% during the period of 48 to 72 hours after exposure.7,9,11,12
Ulipristal acetate (UPA) | |||||||||||||||
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Indeed, elevated levels of uPA and PAI-1 are associated with poor clinical outcome in breast cancer and also have predictive value [33-35]. | |||||||||||||||
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= tumor necrosis factor-alpha; TTBS 1× = Tris 20 mM, NaCl 150 mM (pH 7.5), and 0.1% Tween 20; uPA = urokinase plasminogen activator.
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An excessive increase in the uPA system was shown to associate with tumour progression and metastasis formation [29-31], and an increase in MMPs is associated with degradation of ECM leading to the release of growth factors like bFGF and VEGF. | |||||||||||||||
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In the ovarian carcinoma cells, co-induction of uPA system, by the concomitant stimulation of production and secretion of uPA and uPAR, and MMPs by ET-1 resulted into the highest invasive potential of tumor cells through the Matrigel. | |||||||||||||||
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They rose markedly after saruplase from 0.43 mg/l at 0 h to a maximum of 160 mg/l at 2 h, whereas the increase after urokinase (from 0.45 mg/l to 89.0 mg/l) was significantly smaller (P < 0.001). | |||||||||||||||
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Plasmin is the main protease involved in (pro)-u-PA activation, which gives origin to the initiation of the classical protease cascade (plasmin, interstitial MMPs, MT1-MMP, Gelatinase A) leading to ECM degradation. | |||||||||||||||
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General Comments
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