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Down syndrome

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Down syndrome
NameDown syndrome
Diseasesdb3894
Icd10Q90
Icd9758.0

Down syndrome is a genetic disorder caused by the presence of an extra copy of Chromosome 21, which affects physical and mental development, as seen in individuals like Jamie Foxx's character in the movie Ray, Chris Burke, and Pablo Pineda. It is named after John Langdon Down, who first described the condition in the late 19th century, and is also associated with National Down Syndrome Congress, National Down Syndrome Society, and World Down Syndrome Day. Individuals with Down syndrome often experience developmental delays, intellectual disabilities, and distinct physical features, such as those exhibited by Frank Stephens, an actor and advocate, and Madeline Stuart, a model. The condition is typically diagnosed prenatally or at birth, using techniques like Amniocentesis and Chorionic villus sampling, which are also used to diagnose other genetic disorders like Cystic fibrosis and Sickle-cell disease.

Definition and diagnosis

Down syndrome is defined as a genetic disorder caused by the presence of an extra copy of Chromosome 21, which can occur in three different ways: Trisomy 21, Mosaicism, and Translocation. The diagnosis of Down syndrome is typically made using a combination of physical examination, Medical imaging, and Genetic testing, such as Karyotype and Fluorescence in situ hybridization (FISH), which are also used to diagnose other genetic disorders like Turner syndrome and Klinefelter syndrome. The condition is often associated with other medical conditions, such as Congenital heart defects, Hypothyroidism, and Celiac disease, which are also common in individuals with DiGeorge syndrome and Williams syndrome. Organizations like March of Dimes and American Academy of Pediatrics provide guidelines for the diagnosis and management of Down syndrome, as well as other genetic disorders like Spina bifida and Cerebral palsy.

Causes and genetics

The causes of Down syndrome are complex and multifactorial, involving both genetic and environmental factors, such as Advanced maternal age and Family history, which are also risk factors for other genetic disorders like Achondroplasia and Marfan syndrome. The condition is associated with an increased risk of Cancer, particularly Leukemia, as well as other medical conditions like Alzheimer's disease and Seizure disorder, which are also common in individuals with Fragile X syndrome and Tuberous sclerosis. Research on Down syndrome has been conducted by organizations like National Institutes of Health and Centers for Disease Control and Prevention, which have also studied other genetic disorders like Sickle-cell disease and Cystic fibrosis. The genetic basis of Down syndrome has been studied extensively, with genes like APP and SOD1 playing a role in the development of the condition, as well as other genetic disorders like Huntington's disease and Parkinson's disease.

Symptoms and characteristics

Individuals with Down syndrome often exhibit distinct physical features, such as Epicanthic folds, Macroglossia, and Short stature, which are also common in individuals with Turner syndrome and Williams syndrome. They may also experience developmental delays, intellectual disabilities, and speech and language difficulties, as seen in individuals like Chris Burke and Frank Stephens, who have spoken publicly about their experiences with the condition. The condition is often associated with other medical conditions, such as Obstructive sleep apnea and Gastroesophageal reflux disease, which are also common in individuals with Prader-Willi syndrome and Angelman syndrome. Organizations like National Down Syndrome Congress and Down Syndrome International provide support and resources for individuals with Down syndrome and their families, as well as for individuals with other genetic disorders like Autism and Intellectual disability.

Epidemiology

Down syndrome is a relatively common genetic disorder, affecting approximately 1 in 700 births, according to estimates from Centers for Disease Control and Prevention and World Health Organization. The condition is more common in individuals of European descent and Asian descent, and is also associated with Advanced maternal age and Family history, which are also risk factors for other genetic disorders like Achondroplasia and Marfan syndrome. Research on the epidemiology of Down syndrome has been conducted by organizations like National Institutes of Health and March of Dimes, which have also studied other genetic disorders like Sickle-cell disease and Cystic fibrosis. The condition is often diagnosed prenatally, using techniques like Amniocentesis and Chorionic villus sampling, which are also used to diagnose other genetic disorders like Turner syndrome and Klinefelter syndrome.

Management and treatment

The management and treatment of Down syndrome typically involve a multidisciplinary approach, including Physical therapy, Occupational therapy, and Speech therapy, which are also used to treat other genetic disorders like Cerebral palsy and Spina bifida. Individuals with Down syndrome may also require medical interventions, such as Surgery and Medication, to manage associated medical conditions, such as Congenital heart defects and Hypothyroidism, which are also common in individuals with DiGeorge syndrome and Williams syndrome. Organizations like National Down Syndrome Congress and Down Syndrome International provide support and resources for individuals with Down syndrome and their families, as well as for individuals with other genetic disorders like Autism and Intellectual disability. Research on the management and treatment of Down syndrome is ongoing, with studies focusing on the development of new therapies and interventions, such as those being conducted by National Institutes of Health and Centers for Disease Control and Prevention.

History and society

Down syndrome has a long and complex history, with the condition being described by John Langdon Down in the late 19th century, and later studied by researchers like Jerome Lejeune and Maria Montessori. The condition has been associated with Stigma and Discrimination, with individuals with Down syndrome often facing social and economic barriers, as seen in the experiences of individuals like Jamie Foxx's character in the movie Ray and Chris Burke. However, in recent years, there has been a growing movement to promote Inclusion and Acceptance of individuals with Down syndrome, with organizations like National Down Syndrome Congress and Down Syndrome International working to raise awareness and support, as well as to promote the rights and dignity of individuals with other genetic disorders like Autism and Intellectual disability. The condition has also been featured in various forms of media, including films like Rain Man and The Ringer, and television shows like Life Goes On and Glee, which have helped to raise awareness and promote understanding of the condition. Category:Genetic disorders

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