I appreciate your inquiry. This PA1773 anti-Rab5/RAB5A antibody is validated on rat ovary tissue, brain tissue, tissue lysate, human placenta tissue, hela cell lysate, 293t cell lysate, colo320 cell lysate, mm453 cell lysate. It is guaranteed to work for IHC, WB in human, mouse, rat. Our Boster guarantee will cover your intended experiment even if the sample type has not been be directly tested.