- osteogenesis imperfecta [DOID:12347]
An osteochondrodysplasia that has_material_basis_in a deficiency in type-I collagen which results_in brittle bones and defective connective tissue.
- DNA ligase IV deficiency [DOID:0060021]
A combined T cell and B cell immunodeficiency that has_material_basis_in a mutation in the LIG4 gene, a DNA ligase, encoding a protein essential for V(D)J recombination and DNA double-strand break (DSB) repair through nonhomologous end joining (NHEJ). Patients present with immunodeficiency and developmental and growth delay.
- nuclear type mitochondrial complex I deficiency 20 [DOID:0112072]
A nuclear type mitochondrial complex I deficiency characterized by infantile onset of acute metabolic acidosis, hypertrophic cardiomyopathy, and muscle weakness associated with deficiency of mitochondrial complex I activity in muscle, liver, and fibroblasts that has_material_basis_in homozygous or compound heterozygous mutation in the ACAD9 gene on chromosome 3q21.3.