An international team of neurobiologists has developed a way to use a parasite to deliver protein therapies through the blood–brain barrier to treat nerve cell disorders. In their study published in Nature Microbiology, the group engineered the parasite Toxoplasma gondii to produce a protein to treat a brain disorder. An international team of neurobiologists has developed a way to use a parasite to deliver protein therapies through the blood–brain barrier to treat nerve cell disorders. In their study published in Nature Microbiology, the group engineered the parasite Toxoplasma gondii to produce a protein to treat a brain disorder. Cell & Microbiology Biotechnology Phys.org – latest science and technology news stories