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Items: 7

1.

Johanson-Blizzard syndrome

Johanson-Blizzard syndrome is an autosomal recessive disorder characterized by poor growth, mental retardation, and variable dysmorphic features, including aplasia or hypoplasia of the nasal alae, abnormal hair patterns or scalp defects, and oligodontia. Other features include hypothyroidism, sensorineural hearing loss, imperforate anus, and pancreatic exocrine insufficiency (summary by Al-Dosari et al., 2008). [from OMIM]

MedGen UID:
59798
Concept ID:
C0175692
Disease or Syndrome
2.

Familial hemophagocytic lymphohistiocytosis type 1

Familial Hemophagocytic lymphohistiocytosis (FHL) is a rare primary immunodeficiency characterized by a macrophage activation syndrome with an onset usually occurring within a few months or less common several years after birth. [from MONDO]

MedGen UID:
1642840
Concept ID:
C4551514
Disease or Syndrome
3.

Hyperlipidemia, familial combined, LPL related

Familial combined hyperlipidemia (FCHL) is characterized by fluctuations in serum lipid concentrations and may present as mixed hyperlipidemia, isolated hypercholesterolemia, hypertriglyceridemia, or as a normal serum lipid profile in combination with abnormally elevated levels of apolipoprotein B (APOB; 107730). Patients with FCHL are at increased risk of cardiovascular disease and mortality and have a high frequency of comorbidity with other metabolic conditions such as type 2 diabetes, nonalcoholic fatty liver disease, steatohepatitis, and the metabolic syndrome (summary by Bello-Chavolla et al., 2018). Goldstein et al. (1973) gave the designation 'familial combined hyperlipidemia' to the most common genetic form of hyperlipidemia identified in a study of survivors of myocardial infarction. Affected persons characteristically showed elevation of both cholesterol and triglycerides in the blood. The combined disorder was shown to be distinct from familial hypercholesterolemia (143890) and from familial hypertriglyceridemia (145750) for the following reasons: (1) lipid distributions in relatives were unique; (2) unlike familial hypercholesterolemia, children of affected persons did not express hypercholesterolemia; and (3) informative matings suggested that variable expression of a single gene rather than segregation for 2 separate genes was responsible. This disorder leads to elevated levels of VLDL, LDL, or both in plasma. From time to time the pattern can change in a given person. Unlike familial hypercholesterolemia, hyperlipidemia appears in only 10 to 20% of patients in childhood, usually in the form of hypertriglyceridemia. Xanthomas are rare. Increased production of VLDL may be a common underlying metabolic characteristic in this disorder, which may be heterogeneous. The disorder may be 5 times as frequent as familial hypercholesterolemia, occurring in 1% of the U.S. population. Genetic Heterogeneity of Susceptibility to Familial Combined Hyperlipidemia Also see FCHL1 (602491), associated with variation in the USF1 gene (191523) on chromosome 1q23, and FCHL2 (604499), mapped to chromosome 11. [from OMIM]

MedGen UID:
6965
Concept ID:
C0020474
Disease or Syndrome
4.

Fish-eye disease

Fish eye disease (FED) is a rare familial disorder characterized by severe high-density lipoprotein (HDL) deficiency and massive corneal opacities (summary by Kastelein et al., 1992). [from OMIM]

MedGen UID:
83354
Concept ID:
C0342895
Disease or Syndrome
5.

Hypertriglyceridemia 1

MedGen UID:
1787149
Concept ID:
C5444012
Disease or Syndrome
6.

Familial type 5 hyperlipoproteinemia

A severe type of hyperlipidemia, sometimes familial, that is characterized by the elevation of both plasma chylomicrons and triglycerides contained in very-low-density lipoproteins. Type V hyperlipoproteinemia is often associated with diabetes mellitus and is not caused by reduced lipoprotein lipase activity as in hyperlipoproteinemia type I. [from MONDO]

MedGen UID:
5693
Concept ID:
C0020481
Disease or Syndrome
7.

Increased VLDL cholesterol concentration

An increase in the amount of very-low-density lipoprotein cholesterol in the blood. [from HPO]

MedGen UID:
867364
Concept ID:
C4021729
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