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intellectual disability, X-linked 77 (MRX77) - Clinical Profile, Genes & Research | Kisho | Kisho

Rare Disease

intellectual disability, X-linked 77

MONDO:0010329

Also known as:MRX77mental retardation, X-linked 77, X-linked recessivemental retardation, X-linked 77

Overview

GeneticsX-linked

Clinical Presentation

Built from Human Phenotype Ontology (HPO) phenotype annotations and GeneReviews clinical descriptions. Features represent findings documented across known cases — not an exhaustive list of possible symptoms.

Features include: Febrile seizure (within the age range of 3 months to 6 years), Hyperactivity, and Intellectual disability.

Organ System	Phenotype Count	Example Features
Brain and nerves	2	Febrile seizure (within the age range of 3 months to 6 years), Intellectual disability

Explore clinical features

Diagnosis

Biomarker and diagnostic research for intellectual disability, X-linked 77 has been reported in the published literature.

Research Landscape

Sourced from ClinicalTrials.gov and PubMed. Publication types are classified using NLM-curated article metadata; research type breakdowns reflect the nature of published work for this disease.

No clinical trials have been registered for intellectual disability, X-linked 77.

19 publications have been identified in PubMed for intellectual disability, X-linked 77. Research spans Basic Science / Preclinical (26%), Review / Meta-Analysis (21%), and Case Report / Case Series (16%).

Research Type	Count	% of Total
Laboratory research	5	26%

Data assembled from 4 of 12 sources · Last updated Sep 19, 2026, 5:31 AM UTC

MONDOHPOClinicalTrials.govFDAPubMedHGNCClinVarClinGenGeneReviewsOrphanetOMIMRUSP

Medical References

External Resources

OMIM

Online Mendelian Inheritance in Man

OMIM:300454

GARD

Genetic and Rare Diseases Info Center

GARD:22678

Questions for Your Care Team

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intellectual disability, X-linked 77

Overview

Clinical Presentation

Explore clinical features

Diagnosis

Research Landscape

Medical References

External Resources

OMIM

GARD

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Questions for Your Care Team

Questions for Your Care Team

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