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T21RS International Conference 2017

The T21RS International Conference will be held from June 8th to June 11th 2017 in the heart of the beautiful city of Chicago (USA). To register, submit an abstract or find out more about the meeting, click here to go to the special Meeting website. 

Welcome to T21RS

Trisomy 21 Research Society (T21RS) is the first non-profit scientific organization of researchers studying Down syndrome, founded to promote basic and translational research on Down syndrome and to apply new scientific knowledge to develop improved treatments and cures.


Our founding sponsors


Our main goals

  • To stimulate Down syndrome research, and facilitate collaboration between researchers
  • To announce Job offers (see Research section)
  • To organize the T21RS International Conference 2017 Chicago
  • To harmonize protocols for (pre)clinical research
  • To support education and training of young researchers
  • To explain (recent) findings to the general public, and promote interaction between scientists, patient/family associations and companies


T21RS Membership is intended for scientists and clinicians studying Down syndrome. However, if you are not a scientist and do like to support our aims, you can become a T21RS Associate Member or donate via the 'Donate Now' button on the right. Many thanks!

Join T21RS today


  • Be part of a worldwide research network

  • Support Down syndrome research

  • Membership benefits

  • T21RS Thesis Award

  • T21RS International Conference
    reduced registration fee

  • Possibility to participate in one of the T21RS Committees

Join us!Make a donation


  • Michael Harpold passed away

    It is with profound sorrow that the family of Michael Harpold, Ph.D. announces his death. Dr. Harpold was a leader in the Down syndrome research community. A memorial service is planned for late spring. Read more

Upcoming meeting