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1p36 deletion syndrome is a congenital genetic disorder characterized by moderate to severe intellectual disability, delayed growth, hypotonia, seizures, limited speech ability, malformations, hearing and vision impairment, and distinct facial features. The symptoms may vary, depending on the exact location of the chromosomal deletion.
In terms of genetics, activated PI3K Delta Syndrome is autosomal dominant, a mutation in phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform is the reason for this condition (located at chromosome 1p36.) [2] [3]
In 2014, a human genetic disorder (Xia-Gibbs syndrome) caused by de novo mutations in AHDC1 was discovered through whole-exome sequencing by Xia, et al. [6] Four patients were identified in the paper which recorded the initial discovery and their clinical features were reported, including global developmental delay, hypotonia, obstructive sleep apnea, intellectual disability and seizures.
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child. There are over 6,000 known genetic disorders in humans.
Research on the risk for developing schizophrenia showed that 3q29 microdeletion syndrome leads to a significant higher rate of schizophrenia. [5] In addition, a deletion at 3q29 was found to confer an increase to the odds of developing schizophrenia in a study of copy number variants and their effect on that disorder.
HMGCL is found on chromosome 1p36.11's short arm and codes for the enzyme 3-hydroxymethyl-3-methylglutaryl-coenzyme A lyase (HMG-CoA lyase). [4] [5] This mitochondrial enzyme contributes to the metabolism of dietary proteins by converting HMG-CoA into acetyl-CoA and acetoacetate, which is the last stage of the breakdown of leucine and fat for ...
Twins in Poland with 22q11 microdeletion syndrome. A microdeletion syndrome is a syndrome caused by a chromosomal deletion smaller than 5 million base pairs (5 Mb) spanning several genes that is too small to be detected by conventional cytogenetic methods or high resolution karyotyping (2–5 Mb).
4524 17769 Ensembl ENSG00000177000 ENSMUSG00000029009 UniProt P42898 Q9WU20 RefSeq (mRNA) NM_005957 NM_001330358 NM_001161798 NM_010840 RefSeq (protein) NP_001317287 NP_005948 NP_001155270 NP_034970 Location (UCSC) Chr 1: 11.79 – 11.81 Mb Chr 4: 148.12 – 148.14 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Methylenetetrahydrofolate reductase (MTHFR) is the rate-limiting enzyme ...