Cox analysis
-
Osteosarcoma (OS) is a differentiation disease caused by the genetic and epigenetic differentiation of mesenchymal stem cells into osteoblasts. OS is a common, highly malignant tumor in children and adolescents. Fifteen to 20 % of the patients find distant metastases at their first visit.
13p vielonmusk 21-01-2022 21 0 Download
-
Nội dung bài giảng "Phân tích sống sót (Survival Analysis)" của tiến sĩ Nguyễn Ngọc Rạng trình bày về phân tích sống sót, thời gian sống sót trung bình, kiểm định Log rank và mô hình Cox.
13p roongkloi1994 29-09-2017 73 4 Download
-
Cyclooxygenase-2 (COX-2) is a key enzyme in the production of prosta-glandins that are major inflammatory agents. COX-2 production is trig-gered by exposure to various cytokines and to bacterial endotoxins. We present here a novel role for the Ets transcription factor ESE-1 in regula-ting the COX-2gene in response to endotoxin and other pro-inflammatory stimuli. We report that the induction of COX-2expression by lipopoly-saccharide (LPS) and pro-inflammatory cytokines correlates with ESE-1 induction in monocyte⁄macrophages. ...
12p awards 06-04-2013 37 3 Download
-
Cytosolic phospholipase A2-a(cPLA2-a) is a calcium-activated enzyme that plays an important role in agonist-induced arachidonic acid release. In endothelial cells, free arachidonic acid can be converted subsequently into prostacyclin, a potent vasodilator and inhibitor of platelet activation, through the action of cyclooxygenase (COX) enzymes. Here we study the relocation of cPLA2 -a in human EA.hy.926 endothelial cells following stimulation with the calcium-mobilizing agonist, A23187.
13p awards 06-04-2013 36 2 Download