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Borrelia burgdorferi, the spirochetal agent of Lyme disease, binds plasminogen in vitro. Exogenously provided urokinase-type plasminogen (PLG) activator (uPA) converts surface-bound PLG to enzymatically active plasmin. In this study, we investigated the capacity of a B. burgdorferi human isolate, once complexed with plasmin, to degrade purified(More)
Sugars, such as sucrose or invert sugar, have been used as tobacco ingredients in American-blend cigarettes to replenish the sugars lost during curing of the Burley component of the blended tobacco in order to maintain a balanced flavor. Chemical-analytical studies of the mainstream smoke of research cigarettes with various sugar application levels revealed(More)
The existence of a functional connection between the nervous and immune systems has long been argued. To determine if such a link exists in the secretory immune system, we have examined the avian lacrimal gland (Harderian gland) which contains large numbers of plasma cells. We have shown that these plasma cells bind an antibody to muscarinic acetylcholine(More)
Whole-cells, excised outside-in and outside-out membrane patches were employed to study the electrophysiological properties of plasma cells isolated from the Harderian (lacrimal) gland of chicken. The study revealed that the whole-cell currents are dominated by outward rectifying currents which display slow inactivation times of the order of seconds.(More)
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