HIV-1 envelope glycoprotein (Env), a gp120–gp41 trimer, undergoes coordinated conformational changes that drive membrane fusion and allow immune evasion by transiently concealing ...

The dorsal raphe nucleus (DRN) serotonergic (5-HT) system has been implicated in regulating sleep and motor control; however, its specific role remains controversial. In this study, we found that ...

Patient-controlled analgesia (PCA) is a pain-management technique that allows patients to self-administer predetermined doses of pain medication using a programmable pump. 1 This approach offers ...

DULUTH, Minn. — On Christmas Eve, Heartland PCA, a home care agency in northern Minnesota, received notice from the Department of Human Services that payments were being suspended under a new federal ...

This is Part II of a three-part series marking the 10th anniversary of the Peanut Corporation of America (PCA) sentencing. With the sentencing of Peanut Corporation of America (PCA) executives — ...

This is Part I of a three-part series marking the 10th anniversary of the historic sentencing in the Peanut Corporation of America (PCA) criminal case. Witness to Justice Ten years ago, on Sept. 21, ...

The leader of the North American missions arm of the second-largest Presbyterian denomination in the United States resigned this week after stoking backlash for publicly blessing a pastor who joined ...

BELHAVEN, N.C. — Bump, set and spike. The student-athletes who attended the volleyball camp at Pungo Christian Academy last week were learning some of the basics of playing the sport. Camp instructor ...

Presbyterian Church in America (PCA) gathers for annual legislative assembly in Chattanooga on June 23-27 to deal with business, including inquiry into "Jesus Calling" devotional. Debate about "Jesus ...