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Genomic analysis of the Multiplex, Autozygous Populations in Cerebral Palsy (MAP CP) cohort: a focused approach to a complex disease

Award Number: R01NS127108
ORGANIZATION: NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 02/01/2023
PERIOD OF PERFORMANCE END DATE: 01/31/2028

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Genomic analysis of the Multiplex, Autozygous Populations in Cerebral Palsy (MAP CP) cohort: a focused approach to a complex disease - PROJECT SUMMARY/ABSTRACT Cerebral palsy (CP) is a major neurodevelopmental disorder affecting an estimated 1:323 individuals. CP affects the motor stream of development, and people with CP may have difficulty walking, talking, eating, or using their hands. Some may have involuntary muscle activation and/or movements that may be painful and/or disruptive, affecting quality of life and inclusion. Although environmentally-mediated causes of CP such as perinatal stroke, prematurity, prenatal infection or lack of oxygen have been known to lead to CP for some time, recent findings from our group and others indicates that for as many as one-third of individuals with CP, a genetic mutation may be the cause of their CP symptoms. Identifying the genetic basis of CP is important because our data suggests that the identification of a genetic cause of a patient’s CP can lead to a change in management > 20% of the time and this number is expected to grow steadily. Genetic forms of CP may occur sporadically in approximately one-half of cases. However, ~1/3 of genetic cases of CP are estimated to exhibit autosomal recessive inheritance, wherein both parents are unaffected carriers of the condition. Most current research in CP is focused on parent-child trio-based studies. We propose a different approach, focusing instead on families with multiple affected children with CP inter- related by blood. We have enrolled hundreds of such families in collaborations with physician colleagues in the Middle East, Africa and Southeast Asia. Studying highly genetically-informative families such as these is anticipated to represent a powerful approach for cerebral palsy-associated gene discovery. The signs and symptoms of the families we have enrolled in our studies have been diligently catalogued, including assessments by multiple specialists, and the collection of facial photographs and patient videos that highlight their movement disorders. These resources, as well as detailed laboratory and radiological assessments will allow us to comprehensively catalog the symptoms of the individuals we have partnered with for these studies. We will then perform whole exome sequencing to identify changes in the genome found in affected members of the family but not in healthy individuals. Once a candidate gene is identified, we will connect with colleagues worldwide to find patients with similar symptoms who harbor variant(s) in the same gene. We will then conduct a series of laboratory analyses in order to confirm or refute a role for the candidate gene in CP. This will include both classic and massively parallel unbiased studies of RNA, protein, and/or metabolites, and assessment in complementation studies, cell-based assays, fly models and human induced pluripotent stem cell-neurons/astrocytes from patient samples. Impact: We anticipate that this approach will allow us to identify dozens of novel CP-associated genes, which in turn will facilitate clinical advances in diagnosis and management as mechanism-based therapies continue to be developed.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $635,731 )
2026	2026	UNIVERSITY OF ARIZONA	845 N PARK AVE RM 538	TUCSON	AZ	85721	PIMA	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	001	4	3/23/2026	NON-COMPETING CONTINUATION	$63,572
2026	2026	UNIVERSITY OF ARIZONA	845 N PARK AVE RM 538	TUCSON	AZ	85721	PIMA	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	4	2/2/2026	NON-COMPETING CONTINUATION	$572,159
														Subtotal = $635,731

Issue Date FY: 2025 ( Subtotal = $639,302 )
2025	2025	UNIVERSITY OF ARIZONA	845 N PARK AVE RM 538	TUCSON	AZ	85721	PIMA	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	3	4/10/2025	NON-COMPETING CONTINUATION	$639,302
														Subtotal = $639,302

Issue Date FY: 2024 ( Subtotal = $623,689 )
2024	2024	UNIVERSITY OF ARIZONA	845 N PARK AVE RM 538	TUCSON	AZ	85721	PIMA	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	2	5/16/2024	NON-COMPETING CONTINUATION	$623,689
														Subtotal = $623,689

Issue Date FY: 2023 ( Subtotal = $670,402 )
2023	2023	UNIVERSITY OF ARIZONA	888 N EUCLID AVE RM 510	TUCSON	AZ	85719	PIMA	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	1	1/25/2023	NEW	$670,402
														Subtotal = $670,402

Grand Total All Awards = $2,569,124

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Genomic analysis of the Multiplex, Autozygous Populations in Cerebral Palsy (MAP CP) cohort: a focused approach to a complex disease

Award Number: R01NS127108

ORGANIZATION: NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 02/01/2023

PERIOD OF PERFORMANCE END DATE: 01/31/2028

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