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What are the most common clinical signs and symptoms?

As you now know, glycosylation is related to many cellular processes, organs and systems of our body. Hence, CDG are commonly multisystem diseases, i.e., multiple organs are usually affected. Additionally, clinical signs and symptoms and their severity will differ and vary from individual to individual and also depending on the specific CDG someone is living with.

For detailed information about each CDG type and its symptoms please click here

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Learn more about CDG, move ahead to our community tailored sections across and across the following reliable sources of information: 

  • Section dedicated to CDG from Children’s hospital of Philadelphia here
  • NORD offers an overview about CDG here
  • Visit the new Genetic and Rare Diseases (GARD) Information Center Website here. Also to know its features watch Rare Diseases are Not Rare – A Training on Rare Disease Resources
  • Mayo Clinic Congenital Disorders of Glycosylation (CDG) Clinic sees website here
  • Orphanet, the portal for rare diseases and orphan drugs offers summaries here

“It is of extreme importance that every person in the CDG community becomes one united voice and takes every conquest in a specific CDG as a victory for the whole community. It is important to keep this in mind because CDG are all connected and a new finding regarding one of them will give tools to improve basic and therapeutic research in the others.” By Vanessa Ferreira, sister to Princess Liliana who lives with CDG.

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Should you need more details please do get in touch with our Team

Ensure that you are up to date, and join our mailing list:

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For further learning about CDG, move ahead to our community tailored sections across  


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Vanessa Ferreira and Rita Francisco (CDG & Allies, World CDG organisation and Portuguese Association for CDG), Alice Neves from Sci and Volunteer Program Nova School of Science and Technology 2021. Ana Sofia Rodrigues (content management, CDG & Allies FCT, NOVA University, World CDG Organization and Portuguese Association for CDG).


The Site cannot and does not contain medical or health advice. The information is provided for general informational and educational purposes only and is not a substitute for professional advice.

Accordingly, before taking any actions based upon such information, we encourage you to consult with the appropriate professionals. We do not provide any kind of medical or health advice. The use or reliance of any information contained on this site is solely at your own risk.

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Congenital Disorders of Glycosylation
CDG Signs and Symptoms

Page modified at Friday, June 24, 2022 - 15:05