Jordan’s Syndrome: Navigating Delays and Seizures

Jordan's Syndrome

Jordan’s Syndrome: Today I discuss about it. We know that it is a rare genetic disorder. Medically it is known as PPP2R5D-related intellectual disability. It can present with these very challenges. Often leaving parents feeling lost and searching for answers. This blog post aims, to shed light on Jordan’s Syndrome, equipping families with information to navigate this complex condition.

What is the Jordan’s Syndrome?

Firstly I want to say that what is the the Jordan’s Syndrome? Jordan’s Syndrome, also known as PPP2R5D-related intellectual disability. It is a neurodevelopmental disorder caused by mutations in the PPP2R5D gene. This gene plays a crucial role in regulating cellular processes throughout the body, particularly in the brain. Mutations disrupt this delicate balance, leading to a spectrum of developmental and neurological issues.

What is the cause of Jordan’s Syndrome?

Then I will discuss about the causes of it. We know that, it has most common cause. It is caused by mutations in specific genes, primarily the PPP2R5D gene. This gene encodes a subunit of an important cellular enzyme called Protein Phosphatase 2A (PP2A). PP2A plays a critical role in regulating various biochemical processes throughout the body, including in the brain.

Genetic specifics:

Mutations in PPP2R5D are typically de novo, meaning they occur spontaneously in the affected individual and are not inherited from either parent.
These mutations are often missense mutations, which mean they alter a single amino acid within the protein coded by the PPP2R5D gene. This change can disrupt the normal function of the protein and consequently, the function of PP2A.
Other genes, like PPP2R5C and PPP2R1A, have also been linked to Jordan’s syndrome, but mutations in PPP2R5D are the most common cause.

What are the symptoms for it with Jordan?

Next come to the point. symptoms for it with Jordan are-
Intellectual disability
Low muscle tone (hypotonia)
Delayed development of motor skills, such as walking, sitting up, and standing
Delayed development of speech
A larger than average head size (macrocephaly)
Autism spectrum disorder (ASD)
Vision problems
Feeding difficulties
Sleep problems
It’s important to note that not everyone with it will have all of these symptoms, and the severity of symptoms can also vary.

How rare is Jordan’s syndrome?

Jordan’s syndrome is a rare genetic disorder. The exact prevalence is unknown, but estimates suggest it affects around 1 in 220,000 people worldwide.

Signs and Symptoms

The signs and symptoms of Jordan’s Syndrome vary significantly between individuals, ranging from mild to severe. However, some common features include:

Global Developmental Delays:

Children may experience delays in reaching developmental milestones such as speech, motor skills, and social interaction.

Intellectual Disability:

The degree of intellectual disability can vary, with some individuals requiring significant support and others functioning more independently.


Up to 40% of children with Jordan’s Syndrome experience seizures, which can range from mild absences to more severe types?


An enlarged head circumference is a frequent finding in Jordan’s Syndrome.


Low muscle tone can affect movement and coordination.

Ophthalmologic Abnormalities:

Vision problems, including strabismus (crossed eyes) and nystagmus (involuntary eye movements), may be present.

Autism Spectrum Disorder (ASD) Features:

Some children may meet criteria for ASD due to shared challenges in social communication and repetitive behaviors.

Other Potential Issues:

Sleep disturbances, feeding difficulties, and attention problems can also occur.

Jordan syndrome epilepsy

Jordan’s syndrome is a rare genetic disorder that can cause epilepsy.

Epilepsy in Jordan’s syndrome
Around 40% of people with Jordan’s syndrome experience seizures at some point in their life. These seizures can vary in type and severity. Some people may only have occasional mild seizures, while others may have frequent or severe seizures.

Joubert syndrome

It is characterized by abnormal brain development, including the absence or underdevelopment of the cerebellar vermis and a malformed brainstem. This malformation on an MRI scan appears like a “molar tooth”, hence the name molar tooth sign. The symptoms of Joubert syndrome can vary widely, but they typically include:
Decreased muscle tone (hypotonia)
Abnormal eye movements
Impaired intellectual development
Inability to coordinate voluntary muscle movements (ataxia)
Abnormally rapid breathing (hyperpnea)
Sleep apnea


Due to its rarity and the spectrum of symptoms, diagnosing Jordan’s Syndrome can be challenging. It typically involves a combination of:

Detailed Medical History and Physical Examination:

A doctor will assess the child’s development, medical history, and physical features.

Genetic Testing:

Analysis of the PPP2R5D gene can confirm a diagnosis of Jordan’s Syndrome.

Management and Treatment

After that I can discuss the treatment of Jordan’s Syndrome. Let’s go discuss about treatment of it.Currently, there is no cure for Jordan’s Syndrome. However, a variety of therapies and interventions can help manage symptoms and improve the quality of life for affected individuals. These may include:

Early Intervention Programs:

Early intervention services can significantly benefit children with developmental delays.

Seizure Medication:

Medications can help control seizures and improve quality of life.

Physical and Occupational Therapy:

Therapy can enhance motor skills, coordination, and muscle strength.

Speech Therapy:

Speech therapy can help children develop communication skills.

Behavioral Therapy:

Behavioral interventions can address challenges associated with ASD features.

Living with Jordan’s Syndrome

Living with Jordan’s Syndrome requires a team approach, involving parents, doctors, therapists, and educators working together to create an individualized plan for each child.
Here are some resources and tips for families coping with Jordan’s Syndrome:

Connect with Support Groups:

Connecting with other families who understand the challenges can provide invaluable emotional support and practical advice.

Advocate for Your Child:

Educate yourself about Jordan’s Syndrome and become an advocate for your child’s needs.

Seek Educational Support:

Work with your child’s school to ensure they receive appropriate educational accommodations.

Focus on Strengths:

Recognize and celebrate your child’s unique strengths and abilities.

The Future of Jordan’s Syndrome Research

Research into Jordan’s Syndrome is ongoing. Scientists are working to understand how the PPP2R5D gene mutations cause the disorder and develop potential treatments.


Finally, we can say it is very challenging issue in the world. If we can follow above this management then it will reduce. Jordan’s Syndrome is a complex neurodevelopmental disorder that can significantly impact a child’s development. While there is currently no cure, early diagnosis, comprehensive management, and access to available resources can significantly improve the quality of life for individuals with this condition.

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