A Research Study for Pentalogy of Cantrell

  • STATUS
    Recruiting
Updated on 22 December 2020
congenital disorders
nervous system disease
nervous system disorders

Summary

This study will collect blood, urine, and other tissue samples from patients with Pentalogy of Cantrell (POC) and other inherited diseases that may involve mutations in non-muscle myosin II-B heavy chain (MYH10). We will also collect samples from the relatives of affected individuals. POC is a very rare disorder in which patients have a combination of severe defects of the middle of the chest including the sternum (breastbone), diaphragm, heart, and abdominal wall. The defect are apparent before birth or at birth.

Participants may undergo a medical evaluation that could include a medical history routine blood tests, urine collection, chest x-ray, and electrocardiogram. In addition, blood, urine, saliva, buccal swab or tissue samples may be collected for protein and gene studies. The blood is drawn through a very small needle placed in an arm vein. Children may choose to have a buccal (cheek) sample taken instead of blood draw. Buccal samples can be collected by a cheek swab, in which a soft brush is rubbed on the inside lining of the mouth, or by having the child hold a tablespoon of mouthwash in his or her mouth for a full minute and then spit the mouthwash into a container. In addition, tissue samples may be collected from patients if they undergoing any surgical procedures that may be required as part of their general medical care.

Some of the cells obtained from patients or their relatives may be used to establish cell lines (a living tissue sample) that can be grown in the laboratory and used for experiments.

Please visit our Patient Recruitment Page for more information.

 

Description

The purpose of this multisite protocol is to collect protein, DNA, and RNA from blood, sputum, urine and/or tissue samples from patients with the diagnosis of Pentalogy of Cantrell (POC) or other related syndromes in order to identify possible causative genes. We will use whole exome/genome sequencing of probands, their parents, and, if available, the affected relatives of probands to look for any exomic/genomic mutations that could be associated with this syndrome. We have produced a mouse model with the mutant mice exhibiting problems with ventral wall closure including extrathoracic location of the heart (ectopia cordis), and defects in the abdominal wall with protrusion of the guts and liver. The mice, which have a single amino acid substitution in nonmuslce myosin II-B, have severe defects in both the heart and brain, and resemble humans born with POC, who manifest these same abnormalities.

 

Please visit our Patient Recruitment Page for more information.

Details
Condition Pentalogy of Cantrell
Clinical Study IdentifierTX218166
Last Modified on22 December 2020

Eligibility

Yes No Not Sure

Inclusion Criteria

Index Cases
Those patients who have a diagnosis of POC or other related syndromes (as defined under Study Design) confirmed by telephone discussion between the investigators and the patient s physician
Outside Institutions- All ages will be included
At the Clinical Center - Those subjects that are greater than or equal to 2 years of age and older
Relatives of Index Cases
We may obtain samples from family members and/or relatives of those individuals who have a diagnosis of POC or other related syndrome confirmed by telephone discussion between the investigators and the referring physician with knowledge of the index case
Outside Institutions - All ages will be included. At the Clinical Center - Those subjects that are greater than or equal to 2 years of age and older
Fetal tissue
We may obtain samples from patients with a fetal diagnosis of POC or other related syndrome with diagnosis confirmed by telephone discussion between the investigators and the referring physician
Research use of the fetal tissue in accordance to NIH Division of Intramural Research (DIR) Program fetal tissue policy guidelines
No profits will be involved
NIH researchers will have no involvement in the termination of pregnancy, and
The tissue must be obtained in accordance with Federal, state, and local law including those that govern basic research using human fetal tissue and research involving the transplantation of fetal tissue

Exclusion Criteria

Subjects seen at the Clinical Center - Those subjects that are less than or equal to 2 years of age and older
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