Vitamin D deficiency can occur for a number of reasons: You don't consume the recommended levels of the vitamin over time. This is likely if you follow a strict vegan diet, because most of the natural sources are animal-based, including fish and fish oils, egg yolks, fortified milk, and beef liver.
NP_032898.2. Tissue plasminogen activator (abbreviated tPA or PLAT) is a protein involved in the breakdown of blood clots. It is a serine protease (EC 3.4.21.68) found on endothelial cells, the cells that line the blood vessels.
If administered within three hours (and up to four-and-a-half hours in certain eligible patients), tPA may improve the chances of recovering from a stroke. A significant number of stroke victims donât get to the hospital in time for tPA treatment; this is why itâs so important to identify a stroke immediately.