Foreword: Immunological challenges and opportunities in regenerative medicine.

Ahead of print foreword from Regenerative Medicine (Volume 10 Issue 03), a special focus on immunity in regenerative medicine, scheduled to be published in April Taming the Lion: The Challenge of Immunity in Regenerative Medicine Paul J. Fairchild (University of Oxford) When invited to serve as Guest Editor for this Special Focus Issue of Regenerative Medicine, I felt deeply honoured yet somehow daunted by the task.Having begun my scientific career as a card-carrying immunologist, with a particular interest in whole organ transplantation, I frequently receive invitations to speak at stem cell conferences where I am invariably given the remit of...