1. Basics of organ transplantation

Transplantation: The process of taking an organ or living tissue and implanting it either in another part of the body or into another body.
Donor: An individual from whom an organ or tissue is taken for transplantation.
Recipient: An individual who receives an organ or tissue during transplantation.

Hindu mythology mentions figures like Ganesha related to the ideas of transplantation.

3rd Century: Noted for early instances potentially aligning with the practices of Saint Cosmas and Damian.
1902, Vienna: Imre Ullmann performed the first successful renal autotransplantation in a dog, alongside an unsuccessful attempt to transplant a pig's kidney into a human.
1933, Kiev: Voronoy is recognized as the first to perform an allograft kidney transplant in a human.
December 23, 1954, Boston: Murray et al. performed the first successful human kidney transplant on identical twins, which later earned a Nobel Prize in 1991.
December 1967: Denise Darvall becomes the first heart donor after a tragic accident, leading to the world’s first heart transplant performed by Dr. Christiaan Barnard on Louis Washkansky in Cape Town.
- Dr. Barnard gains fame, marking a transformative moment in surgical history.
1963: Thomas Starzl conducts the first human liver transplant.
1963: Hardy achieves the first lung transplant.
1968: Denton Cooley performs heart-lung transplants.
December 21, 1962: András Németh conducts the first Hungarian living donor kidney transplant.

Living Donors: Individuals who donate an organ while alive.
Cadaver Donors: Organs obtained from deceased individuals.
Heart-Beating and Non-Heart-Beating Donors: Categorization of cadaver donors based on their heart activity at the time of organ recovery.

Definition: Complete loss of brain function, including involuntary activities essential for sustaining life.
Includes lack of response to pain and absence of cranial nerve reflexes (e.g., fixed pupils, no oculocephalic reflex, etc.).
Diagnosis requires neurological examinations by three independent physicians.

Presumed Consent: An opt-out approach practiced in countries like Hungary, Finland, Portugal, Austria, etc.
Opting In: An opt-in system, as seen in the USA, UK, Germany, Denmark, Netherlands, etc.

Patients: 16,000 on waiting lists.
Donor Sources: 135 million people across eight countries.
Transplant Centers: 81 centers, with 7,000 organs allocated each year and a budget of 5.6 million Euro annually.

Key physiological changes occur due to brain death, leading to:
Cell membrane damage, stress response, and activation of the immune system.
Key processes like procurement and ischemia lead to complement activation and mediators involved (e.g., heat shock proteins).

Involves antigen presenting cells (APCs) from both donor and recipient, T-helper cells activation, MHC, and T cell receptor binding.

Activation and clonal proliferation of T cells crucial for graft acceptance, leading to effector cell formation through several pathways (TCR, mTOR).

Involvement of antibodies and cell-mediated reactions leading to graft damage, effector T and B cells response, and eventual antibody secretion contributing to immune rejection.

Early Period (1954-62): Utilization of corticosteroids and other agents resulting in high rejection rates.
Azathioprin Era (1962-80): Introduction of DNA/RNA synthesis inhibitors improving 1-year graft survival to around 60%.
Cyclosporine Era (1980s): Marked decrease in early rejection rates with a 1-year graft survival of ~85%.
Tacrolimus and Mycophenolate (from 1990s): Advanced treatments leading to even further improved survival rates.

Azathioprin: Inhibits lymphocyte proliferation; side effects include myelodepression and hepatotoxicity.
Corticosteroids: Foundation of anti-rejection therapy, with side effects including diabetes and hypertension.

Cyclosporine and Tacrolimus: Introduced significant advancements in immunosuppression but come with potential nephrotoxicity and other side effects.

A discussion on various monoclonal antibodies, their mechanisms, and side effects, including CD28-CD80 blockade therapies for improved transplant success rates.

Spotlight on robotic surgery advancements, including the da Vinci robot system for precision movements, with the first European surgery occurring in Italy in 2010.

Utilizes hypothermic/normothermic perfusion techniques to improve kidney transplant quality and extend ischemic time.

Exploring the potential for organ transplantation without the need for immunosuppression, engaging in research on T regulatory cells.

The transplantation process involving cells from one species to another, including historical attempts and modern research focused on genetically modified pigs.

Innovations in synthetic bioengineering, highlighting the potential for developing organs using 3D printing and advanced recellularization techniques.

Exploring pancreatic transplant studies focused on generating insulin-producing cells from pluripotent stem cells and related methodologies.