Researchers from Boston University School of Medicine (BUSM) and collaborators exposed miniature human small intestines that they were able to grow in a dish (organoids) to the bacteria ETEC in the presence and absence of the protein histatin - 5. (sciencedaily.com)
«Researchers link absence of protein to liver tissue regeneration.» (sciencedaily.com)
The absence of these proteins renders the uterus «down - regulated,» relatively insensitive to oxytocin even when the oxytocin receptor site density is high. (attachmentparenting.org)