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Elevated circulating hexacosanoic acid concentration

MedGen UID:
1815060
Concept ID:
C5706154
Finding
Synonym: Elevated circulating cerotic acid concentration
 
HPO: HP:0034298

Definition

Elevated concentration of hexacosanoic acid (a C26 straight-chain saturated fatty acid) in the blood circulation. [from HPO]

Term Hierarchy

Conditions with this feature

Encephalopathy, lethal, due to defective mitochondrial peroxisomal fission 1
MedGen UID:
482290
Concept ID:
C3280660
Disease or Syndrome
Encephalopathy due to defective mitochondrial and peroxisomal fission-1 (EMPF1) is characterized by delayed psychomotor development and hypotonia that may lead to death in childhood. Many patients develop refractory seizures, consistent with an epileptic encephalopathy, and thereafter show neurologic decline. The age at onset, features, and severity are variable, and some patients may not have clinical evidence of mitochondrial or peroxisomal dysfunction (summary by Sheffer et al., 2016; Fahrner et al., 2016). Genetic Heterogeneity of Encephalopathy Due to Defective Mitochondrial And Peroxisomal Fission See also EMPF2 (617086), caused by mutation in the MFF gene (614785) on chromosome 2q36.
Peroxisome biogenesis disorder 7A (Zellweger)
MedGen UID:
854881
Concept ID:
C3888385
Disease or Syndrome
Zellweger syndrome (ZS) is an autosomal recessive multiple congenital anomaly syndrome resulting from disordered peroxisome biogenesis. Affected children present in the newborn period with profound hypotonia, seizures, and inability to feed. Characteristic craniofacial anomalies, eye abnormalities, neuronal migration defects, hepatomegaly, and chondrodysplasia punctata are present. Children with this condition do not show any significant development and usually die in the first year of life (summary by Steinberg et al., 2006). For a complete phenotypic description and a discussion of genetic heterogeneity of Zellweger syndrome, see 214100. Individuals with PBDs of complementation group 8 (CG8, equivalent to CGA) have mutations in the PEX26 gene. For information on the history of PBD complementation groups, see 214100.

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