Tur-Fu Huang

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It has been shown that ultrasound (US) stimulation accelerates fracture healing in animal models and in clinical studies. Here we found that US stimulation transiently increased the surface expression of alpha2, alpha5, beta1, and beta3 integrins in cultured osteoblasts, as shown by flow cytometric analysis and immunofluorescence staining. US stimulation(More)
The metastasis of tumor cells to bone involves migration, invasion and adhesion to bone. Breast and prostate cancer cells have predilection for spreading to bone. Snake venom-derived arginine-glycine-aspartic acid (RGD)-containing disintegrins (e.g. rhodostomin) have been demonstrated to inhibit cell adhesion. Here, we found that rhodostomin inhibited the(More)
Angiogenesis occurs not only during tissue growth and development but also during wound healing and tumor progression. Angiogenesis is a balanced process controlled by proangiogenic and antiangiogenic molecules. As a critical factor in the induction of angiogenesis, vascular endothelial growth factor (VEGF) has become an attractive target for antiangiogenic(More)
The venom of Viperdae is a rich source of metalloproteinases, which have potential clinical applications for lowering plasma fibrinogen or dissolving thrombi. Recently, we purified a novel proteinase from Formosan Agkistrodon acutus venom using DEAE-Sephadex A-50 and Mono-Q HR 5/5 column chromatography. The purified getatinolytic component, agkislysin, is a(More)
In addition to antiplatelet activity, disintegrin, a small-mass RGD-containing polypeptide, has been shown to exert anti-inflammatory effects but the mechanism involved remains unclear. In this study, we report that trimucrin, a disintegrin from the venom of Trimeresurus mucrosquamatus, inhibits lipopolysaccharide (LPS)-induced stimulation of THP-1 and RAW(More)
Osteosarcoma is a very malignant bone tumor which has a high metastatic potential and usually lead to poor prognosis. The adhesion of tumor cells to the endothelium or extracellular matrix (ECM) is an essential step in the metastatic cascade. We investigated the effect of thrombin on the adhesion activity of the osteosarcoma cell line, ROS 17/2.8.(More)
Phagocytes release inflammatory mediators to defense harmful stimuli upon bacterial invasion, however, excessive inflammatory reaction leads to tissue damage and manifestation of pathological states. Therefore, targeting on uncontrolled inflammation seems feasible to control numerous inflammation-associated diseases. Under the drug screening process of(More)
Clinical depression is a significant risk factor for cardiovascular diseases and confers an increased risk of mortality. Increased platelet reactivity may predispose depressed patients to cardiovascular diseases. The antidepressants selective serotonin reuptake inhibitors (SSRIs) have been found to have cardioprotective effects probably via the attenuation(More)
Disintegrins are a group of Arg (or Lys)-Gly-Asp-containing snake venom proteins which inhibit platelet aggregation via the blockade of alpha(IIb)beta(3) integrin. Here, we studied the effect of rhodostomin, a disintegrin purified from the venom of Calloselasma rhodostoma, on the functions of neutrophils. By flow cytometric analysis of whole blood, we found(More)
The established antiplatelet and anticoagulant agents show beneficial effects in the treatment of thromboembolic diseases; however, these drugs still have considerable limitations. The effects of NP-184, a synthetic compound, on platelet functions, plasma coagulant activity, and mesenteric venule thrombosis in mice were investigated. NP-184(More)