Omic Approaches to Neurodevelopmental Disabilities

NCT ID: NCT06337396

Last Updated: 2024-03-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

22 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-05-05

Study Completion Date

2023-12-31

Brief Summary

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to bridge the gap between the molecular structure of CNV and the effect on the phenotype, considering NDDs as complex diseases, as they are a consequence of the imbalance in several dosage-sensitive genes, we might try to approach them through different --omics investigations (genomics, epigenomics, transcriptomics) according to the emerging field of network medicine. This holistic can provide valuable insight into understanding peculiar molecular mechanisms and unsuspected molecular interactions that contribute to the pathogenesis of the condition and possibly pave the way for uncovering new drug strategies that even if they do not heal the patient may improve his performance and the social interaction

Detailed Description

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Conditions

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Neurodevelopmental Disorders

Keywords

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whole genome sequencing transcriptome analysis genotype phenotype structural variants

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Whole Genome Sequencing (WGS) and transcriptome analysis

to investigate by WGS analysis the genome of selected patients with a detailed clinical characterization. WGS will be also performed on the DNA of the parent from which originated the CNV to look for any potential genomic signatures predisposing to the rearrangement detected in his/her son/daughter.

to investigate the expression profiles of structural variants by transcriptome analysis

Group Type EXPERIMENTAL

WGS and transcriptome analysis

Intervention Type DIAGNOSTIC_TEST

In light of the inconsistencies between the CNV and the phenotypic outcome, we expect that WGS analysis will reveal that part of these CNVs have a more complex structure than the one disentangled by CMA and FISH. We hypothesize that CNV should reflect a perturbed genome folding configuration at several hierarchical levels of chromatin organization, such as disruption of TADs boundaries. To investigate this aspect, we plan to examine expression profiles of immortalized lymphoblastoid B-cell lines (LBLs) derived from normal controls and patients. We expect to find a subset of down- or up-regulated genes located inside the rearranged region which in turn may alter the expression of other genes, possibly leading to perturbation of disease-related pathways

Interventions

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WGS and transcriptome analysis

In light of the inconsistencies between the CNV and the phenotypic outcome, we expect that WGS analysis will reveal that part of these CNVs have a more complex structure than the one disentangled by CMA and FISH. We hypothesize that CNV should reflect a perturbed genome folding configuration at several hierarchical levels of chromatin organization, such as disruption of TADs boundaries. To investigate this aspect, we plan to examine expression profiles of immortalized lymphoblastoid B-cell lines (LBLs) derived from normal controls and patients. We expect to find a subset of down- or up-regulated genes located inside the rearranged region which in turn may alter the expression of other genes, possibly leading to perturbation of disease-related pathways

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

Patients with neurodevelopmental disorders carrying a genomic rearrangement identified through chromosomal microarray analysis (CMA)

Exclusion Criteria

NA
Minimum Eligible Age

4 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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IRCCS Eugenio Medea

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Scientific Institute IRCCS Eugenio Medea

Bosisio Parini, LC, Italy

Site Status

Countries

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Italy

Other Identifiers

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1001

Identifier Type: -

Identifier Source: org_study_id