Immune outposts inside tumors predict post-surgery outcomes

The immune system establishes “forward operating bases”, or lymph node-like structures, inside the tumors of some patients with kidney and other urologic Read more

Hedgehog pathway outside cilia (with CBD bonus)

The Hedgehog pathway has roles in both specifying what embryonic cells will become and in guiding growing neural Read more

Tracking how steroid hormone receptor proteins evolved

When thinking about the evolution of female and male, consider that the first steroid receptor proteins, which emerged about 550 million years ago, were responsive to estrogen. The ancestor of other steroid hormone receptors, responsive to hormones such as testosterone, progesterone and cortisol, emerged many millions of years later. Biochemist Eric Ortlund and colleagues have a new paper in Structure that reconstructs how interactions of steroid receptor proteins evolved over time. This is a complex Read more

psilocybin

Flashback to LSD research from the 1950s

Accompanying Kai Kupferschmidt’s July 3 feature in Science, which discusses a current revival of clinical research on hallucinogens such as LSD and psilocybin, was a curious historical photo. The 1955 copyrighted photo depicts pharmacologist Harry Williams squirting LSD into the mouth of Carl Pfeiffer, chair of pharmacology at Emory during the 1950’s. Read more

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