 Stroynowski's research has delved into the functions of the non-canonical proteins of the Major Histocompatibility Complex, particularly Qa, a protein which is produced in both membrane bound and soluble forms from the same gene, due to alternative splicing.Interferon induction of H-2 antigens was another of her findings.One of her most important findings is that the Qa antigen, a non-variable histocompatibility antigen, has a role in protection from tumor formation.