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Lewis System and Secretor Status

Program Date: 13 July 2023

Publication Date: 13 July 2023

Continuing Education Units: Hours: 0.5

Lecture Description

In this lecture, Dr Anani will introduce the Lewis antigens by describing their biosynthesis and expression in plasma and red blood. He also will discuss the serology and clinical significance of the Lewis systems.

Lecture Objectives
  • Review how secretor status changes antigen expression
  • Discuss how Lewis is expressed in plasma and on red blood cells
  • Describe the biosynthesis of Lewis
  • Describe the differences between the Lewis antigens
  • List conditions associated with Lewis

Run Time: 33

Lecture Instructor Bio(s)

Waseem Anani, MD

Medical Director
ARUP Laboratories
Salt Lake City, UT, USA

Dr Waseem Anani is the Medical Director of ARUP Laboratories in Salt Lake City, Utah, USA and Associate Professor at the University of Utah. He is a Clinical Pathologist with subspecialty training in Transfusion Medicine. His area of interest and research is red cell immunohematology and genomics.