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https://www.selleckchem.com/products/azd-5462.html Inhibition of TF / heparanase interaction may represent a new target for attenuating coagulation, cancer and inflammation.The story of heparanase (HPSE) in viral infection has roots in the longstanding connection between heparan sulfate (HS) and a large number of viruses. As a major viral attachment and entry receptor present on the cell surface, HS serves as the first point of contact between a virus particle and its target host cell. Likewise, direct regulation of HS levels on the cell surface by HPSE enzymatic activity dictates the extent of virus release after replication has occurred. Additionally, virus-induced HPSE activation and nuclear translocation results in higher expression of pro-inflammatory factors and delayed wound healing leading to worsened disease. In this chapter, using herpes simplex virus (HSV) as a prototype virus we provide a brief synopsis of important stages in viral infection, describe how these processes are governed by HS and HPSE, and discuss the recent discoveries that designate HPSE as a major host virulence factor and driver of pathogenesis for several different viruses.Homeostasis and visual acuity of the surface of the eye are dependent on tears, a thin film comprising at least 1800 different extracellular proteins and numerous species of lipids through which 80% of entering light is refracted at the air interface. Loss of homeostasis in dry eye disease affects 5-7% of the world's population, yet little is known about key molecular players. Our story began as an unbiased screen for regulators of tearing that led to the discovery of homeostasis-restorative 'lacritin', a tear protein whose active form is selectively deficient in dry eye. Heparanase acts as a novel 'on-switch' for lacritin ligation of syndecan-1 necessary to trigger basal tearing, as well as pertussis toxin-sensitive and FOXO-dependent signaling pathways for healing of inflammation-damaged epithelia and restoring epi

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