Aishee Pal Sadhu, Medical Advisor and Manager, Medical Team, Delhi NCR, North Zone at ImmunoACT, shared a post on LinkedIn:
“Episode 5 | CAR-T Physiology Pearls.
What is the most meaningful way to celebrate Doctors’ Day?
Perhaps not by reminding ourselves that we are doctors, but by reminding ourselves that we are lifelong students.
The privilege of caring for patients comes with an equally profound responsibility: to continuously question, learn, teach, and translate evolving science into better clinical decisions.
In rapidly advancing fields such as CAR-T cell therapy, yesterday’s understanding is often insufficient for tomorrow’s patient.
- Every biomarker tells a story.
- Every cytokine reflects a physiological process.
- Every laboratory value deserves interpretation beyond a number.
One such biomarker is serum ferritin.
Ferritin is often viewed as just another inflammatory marker. In CAR-T therapy, it is much more than that.
It is a window into immune activation, macrophage biology, cytokine amplification, and the evolving physiology of the host response.
Understanding why ferritin rises not simply that it rises can transform a laboratory value into meaningful clinical insight.
That is the purpose of the CAR-T Physiology Series: to connect fundamental physiology with the bedside, making complex cellular immunology clinically relevant and easier to understand.
On this Doctors’ Day, I chose to celebrate not with a greeting, but with an academic conversation.
Happy Doctors’ Day to every clinician, educator, researcher, and lifelong student of medicine.”

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