Our immune cells are not just “defenders” against deadly viruses and pathogens but also a great balancer for tissue homeostasis. For neurological disorders, understanding the neuro-immune axis could be key to treating previously untreatable conditions such as autism spectrum disorder, according to Jun R. Huh, professor of immunology at Harvard Medical School.

During a busy day of dealmaking, Cour Pharmaceutical Development Co. Inc. entered a pact with Roche Holding AG’s Genentech unit to advance tolerogenic nanoparticle treatments for an autoimmune disease indication, garnering up to $940 million in up-front and milestone payments. Cour’s partnership with Genentech is its biggest to date, and the largest deal announced by a biopharma company on Dec. 3. A total of seven deals amounted to a combined single-day deal value of $3.67 billion.

South Korean billionaire and chairman of Celltrion Group Jungjin Seo is returning Celltrion Inc. to its contract manufacturing organization (CMO) roots, as it relies on biosimilar sales to anchor the company in a fiercely competitive novel drug R&D arena.

Researchers from Emory University, the U.S. CDC and collaborators have identified a broad-spectrum antiviral agent able to combat highly pathogenic arenaviruses. The compound, a ribonucleoside analogue that acts through RdRp inhibition, exhibited a good pharmacokinetic profile, oral bioavailability and tissue distribution in guinea pigs, while protecting animals from lethal challenges with Lassa and Junín viruses, even at very low doses.