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Hypothesizing That Pediatric Autoimmune Neuropsychiatric Associated Streptococcal (PANDAS) Causes Rapid Onset of
Kenneth Blum1,2,3,4,5,6,7, Catherine A Dennen8, Eric R Braverman2
1Center for Mental Health and Sports, Psychiatry, Western University Health Sciences, Pomona, USA.
Insights
Pediatric autoimmune neuropsychiatric disorders associated with group A streptococcal infections (PANDAS) may cause reward deficiency syndrome (RDS). This study explores a novel treatment using pro-dopamine regulators for PANDAS and RDS.
Area of Science:
- Neuroscience
- Immunology
- Genetics
Background:
- Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infections (PANDAS) are linked to neuropsychiatric symptoms and obsessive-compulsive disorder (OCD).
- PANDAS can trigger Reward Deficiency Syndrome (RDS), characterized by dysfunction in the brain's reward cascade (BRC) and dopamine signaling.
- Genetic factors, such as DRD2 gene polymorphisms, are implicated in RDS, while infections like Group A beta-hemolytic streptococcal (GABHS) can initiate autoimmune responses targeting dopaminergic pathways.
Purpose of the Study:
- To investigate the potential of pro-dopamine regulator KB220 variants as an innovative treatment for PANDAS.
- To explore the concept of achieving "dopamine homeostasis" for improved therapeutic outcomes in PANDAS patients.
Main Methods:
- Review of previous clinical trials involving KB220 variants.
- Proposal of precision-guided DNA testing for personalized treatment approaches.
- Focus on pro-dopamine modulation to restore dopamine balance.
Main Results:
- Limited efficacy studies exist for current PANDAS treatments, highlighting the need for novel approaches.
- KB220 variants show potential as a pro-dopamine modulator.
- Precision-guided DNA testing may enable tailored interventions for PANDAS.
Conclusions:
- Achieving dopamine homeostasis through precision-guided DNA testing and pro-dopamine modulation offers a promising therapeutic strategy for PANDAS.
- This approach may lead to improved outcomes for children with PANDAS and associated RDS-like symptoms.
- Further research and clinical trials are warranted to validate the efficacy of this innovative treatment.
Abstract:
Pediatric autoimmune neuropsychiatric disorders associated with group A streptococcal infections (PANDAS) is a concept that is used to characterize a subset of children with neuropsychiatric symptoms, tic disorders, or obsessive-compulsive disorder (OCD), whose symptoms are exacerbated by group A streptococcal (GAS) infection. PANDAS has been known to cause a sudden onset of reward deficiency syndrome (RDS). RDS includes multiple disorders that are characterized by dopaminergic signaling dysfunction in the brain reward cascade (BRC), which may result in addiction, depression, avoidant behaviors, anxiety, tic disorders, and/or OCD. According to research by Blum et al., the dopamine receptor D2 (DRD2) gene polymorphisms are important prevalent genetic determinants of RDS. The literature demonstrates that infections like Borrelia and Lyme, as well as other infections like group A beta-hemolytic streptococcal (GABHS), can cause an autoimmune reaction and associated antibodies target dopaminergic loci in the mesolimbic region of the brain, which interferes with brain function and potentially causes RDS-like symptoms/behaviors. The treatment of PANDAS remains controversial, especially since there have been limited efficacy studies to date. We propose an innovative potential treatment for PANDAS based on previous clinical trials using a pro-dopamine regulator known as KB220 variants. Our ongoing research suggests that achieving "dopamine homeostasis" by precision-guided DNA testing and pro-dopamine modulation could result in improved therapeutic outcomes.
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