Donath-Landsteiner Antibodies

The history of the DL antibody goes back to the 1900's. It was one of the first recognized forms of immune mediated hemolysis and responsible for inducing Paroxysmal Cold Hemoglobinuria (PCH). PCH is a transient condition, meaning that it comes on when immunoglobulins (Antibodies) are formed in response to a viral, bacterial, or spirochete infection. … Continue reading Donath-Landsteiner Antibodies

Iron Deficiency and Microcytic Anemias

Iron is an essential element for oxygen transport within hemoglobin. Oddly enough it is the element that is missed the most in regards to adequate intake and proper nutrition. Over 1.62 billion people in the world are effected by anemia, which is most commonly caused by iron deficiency. Iron deficiency can be caused by chronic … Continue reading Iron Deficiency and Microcytic Anemias

Thalassemias

The major hemoglobin that is present in adults is hemoglobin A (HbA). This is a heterotetramer that consists of one pair of alpha-globin chains and one pair of beta-globin chains. Alpha-globin chains are encoded by two copies of the alpha gene present on chromosome 16. Beta-globin chains are driven by one gene on chromosome 11. … Continue reading Thalassemias