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Developing Replacement Organs


LyGenesis, Inc. is developing organ regeneration technology that focuses on using the patient’s own lymph nodes to grow functioning ectopic organs. Over a decade ago, Dr. Eric Lagasse launched a series of experiments that would lead to the idea that lymph nodes might be used to grow additional organs [1-2]. This became the core idea behind LyGenesis, the ability to grow replacement organs using a patients lymph nodes.

In 2018, Juvenescence, Ltd. invested $3 million into this company as part of a Series A funding round which allowed it to start the journey to human clinical trials.

The company is currently undergoing large animal studies for liver regeneration and intends to begin Phase 2 human trials in the first quarter of 2020. It intends to use its technology as a bridge to liver transplants or, in some cases, to remove the need for liver transplants altogether.

LyGenesis has also conducted proof-of-concept experiments for thymic, kidney, and pancreatic tissue.

Of particular interest is the thymus, which is responsible for training T cells and its gradual involution leads to immunosenescence, which causes senescent cell proliferation and greatly increases the risk of cancer, creating a new thymus within the body’s own lymph nodes may effectively halt multiple processes of aging and reduce the risk of age-related diseases such as cancer but also infectious diseases too.

LyGenesis received a $21 million boost in January 2021 and FDA approval for a Phase 2A trial of its cell therapy for patients with end-stage liver disease.


[1] Komori, J., Boone, L., DeWard, A., Hoppo, T., & Lagasse, E. (2012). The mouse lymph node as an ectopic transplantation site for multiple tissues. Nature biotechnology, 30(10), 976.

[2] Francipane, M. G., & Lagasse, E. (2014). Maturation of embryonic tissues in a lymph node: a new approach for bioengineering complex organs. Organogenesis, 10(3), 323-331.

Website: LyGenesis

Article: LyGenesis Closes $3 Million Series A Financing to Advance Its Organ Regeneration Technology to the Clinic