SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Pionyr Immunotherapeutics, Inc., a company developing first-in-class Myeloid TuningTM antibody therapeutics that enhance the body’s antitumor immunity by altering, or “tuning,” immune cells within the tumor microenvironment, announced today that PY314, a monoclonal antibody targeting TREM2 (triggering receptor expressed on macrophages 2), was safe and well-tolerated...