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Is Bardet-Biedl Syndrome hereditary?

Here you can see if Bardet-Biedl Syndrome can be hereditary. Do you have any genetic components? Does any member of your family have Bardet-Biedl Syndrome or may be more predisposed to developing the condition?

Is Bardet-Biedl Syndrome hereditary?

Bardet-Biedl Syndrome is a genetic disorder that is inherited in an autosomal recessive manner. This means that both parents must carry a copy of the mutated gene for their child to develop the syndrome. The syndrome is caused by mutations in various genes, including BBS1, BBS2, BBS4, and others. Individuals with Bardet-Biedl Syndrome have a 25% chance of passing the condition to their children if their partner also carries a mutated gene.



Is Bardet-Biedl Syndrome hereditary?


Bardet-Biedl Syndrome (BBS) is a rare genetic disorder that affects multiple systems in the body. It is characterized by a combination of various symptoms including obesity, vision problems, kidney abnormalities, intellectual disability, and extra fingers or toes. The syndrome is named after Georges Bardet and Arthur Biedl, who were the first to describe it in the early 20th century.


Genetic Basis of Bardet-Biedl Syndrome:


Bardet-Biedl Syndrome is primarily inherited in an autosomal recessive manner, which means that both parents must carry a copy of the mutated gene for their child to be affected. The syndrome is caused by mutations in at least 20 different genes, known as BBS genes, which play a role in the development and function of cilia.


Cilia and their Importance:


Cilia are tiny, hair-like structures found on the surface of many cells in the body. They have important functions in cell signaling, sensory perception, and fluid movement. In Bardet-Biedl Syndrome, the mutations in BBS genes disrupt the structure and function of cilia, leading to the wide range of symptoms observed in affected individuals.


Inheritance Pattern:


When both parents are carriers of a BBS gene mutation, there is a 25% chance with each pregnancy that their child will inherit two copies of the mutated gene and develop Bardet-Biedl Syndrome. This is referred to as being affected or having two copies of the mutation. If only one copy of the mutated gene is inherited, the individual is considered a carrier and typically does not show symptoms of the syndrome.


Genetic Testing and Counseling:


Genetic testing can be performed to identify mutations in BBS genes, which can help confirm a diagnosis of Bardet-Biedl Syndrome. It can also be used for carrier testing in individuals with a family history of the syndrome or those planning to have children.


Genetic counseling is highly recommended for individuals and families affected by Bardet-Biedl Syndrome. A genetic counselor can provide information about the inheritance pattern, the likelihood of passing on the syndrome, and the available options for family planning.


Conclusion:


Bardet-Biedl Syndrome is a hereditary disorder caused by mutations in BBS genes, which disrupt the function of cilia. It follows an autosomal recessive inheritance pattern, meaning that both parents must carry a copy of the mutated gene for their child to be affected. Genetic testing and counseling play crucial roles in the diagnosis, management, and family planning for individuals with Bardet-Biedl Syndrome.


Diseasemaps
3 answers
It can be. It is a genetic disease. Those who are carriers of recessive gene can pass it on if their partner also ha e the recessive gene. 25% chance they'll produce a child with BBS

Posted Sep 14, 2017 by Tina 1000
Yes. Autosomal recessive.

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Hi my name is Ryan, im 14 years old and have BBS1.  My main struggles are my weight and my vision, i also have been diagnosed with Autism and MR.  I got my genetic diagnoisis of BBS about 2 years ago.  I have night blindness and have negative 14 i...
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Please register your BBS loved one in CRIBBS!   [email protected] We have a Center of Excellence for Treatment of BBS, Located at the Marshfield Clinic, contact the director, Dr. Bob Haws, [email protected] for deta...
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Our oldest son has Bardet-Biedl Syndrome (BBS). We are setting up a family foundation in the Netherlands for BBS. Contact us: [email protected] Check our website: www.bardetbiedlsyndroom.nl
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Hello, my name is Bea. Maried with my great and loving husband, Marco. Together we have  three children. Tamara, Bart and Bas. Bart en Bas are twins. Tamara en Bas have BBS. It was great to see this map with all this people with BBS! I could show Ta...

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