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Items: 1 to 20 of 98

1.

IFAP syndrome 2

Follicular ichthyosis, atrichia, and photophobia syndrome-2 (IFAP2) is characterized by ichthyosis follicularis or follicular hyperkeratosis, sparse to no body hair, and photophobia with corneal lesions. Ultrastructural hair analysis shows trichorrhexis nodosa (Wang et al., 2020). For a discussion of genetic heterogeneity of IFAP syndrome, see IFAP1 (308205). [from OMIM]

MedGen UID:
1763502
Concept ID:
C5436607
Disease or Syndrome
2.

SKELETAL MUSCLE GLYCOGEN CONTENT AND METABOLISM QUANTITATIVE TRAIT LOCUS

AMPK is a heterotrimeric protein that functions to maintain cellular and whole body energy homeostasis. Variation in the PRKAG3 subunit of AMPK has been linked to an increase in muscle glycogen content in pigs (Milan et al., 2000), mice (Garcia-Roves et al. (2008)), and humans (Costford et al., 2007). [from OMIM]

MedGen UID:
1748381
Concept ID:
C5436642
Finding
3.

Hearing loss, autosomal dominant 79

Autosomal dominant deafness-79 (DFNA79) is a nonsyndromic form of progressive sensorineural hearing loss with age of onset ranging from 20 years to 65 years. Affected females appear to have milder hearing loss than males (Lu et al., 2020). [from OMIM]

MedGen UID:
1735338
Concept ID:
C5436772
Disease or Syndrome
4.

Permanent neonatal diabetes mellitus 4

Permanent neonatal diabetes mellitus-4 (PNDM4) is characterized by chronic hyperglycemia due to severe nonautoimmune insulin deficiency diagnosed in the first months of life (summary by Polak et al., 2008). For a discussion of genetic heterogeneity of permanent neonatal diabetes mellitus, see PNDM1 (606176). [from OMIM]

MedGen UID:
1711191
Concept ID:
C5394307
Disease or Syndrome
5.

Hypothyroidism, congenital, nongoitrous, 9

Nongoitrous congenital hypothyroidism-9 (CHNG9) is characterized by a small thyroid gland with low free T4 (FT4) levels and inappropriately normal levels of thyroid-stimulating hormone (TSH) (Heinen et al., 2018). [from OMIM]

MedGen UID:
1684807
Concept ID:
C5231396
Disease or Syndrome
6.

Gonadal dysgenesis, dysmorphic facies, retinal dystrophy, and myopathy

GDRM is characterized by 46,XY complete gonadal dysgenesis in association with extragonadal anomalies, including low birth weight, typical facial gestalt, rod and cone dystrophy, sensorineural hearing loss, omphalocele, anal atresia, renal agenesis, skeletal abnormalities, dry and scaly skin, severe myopathy, and neuromotor delay (Guran et al., 2019). [from OMIM]

MedGen UID:
1679397
Concept ID:
C5193085
Disease or Syndrome
7.

Spermatogenic failure 36

Spermatogenic failure-36 (SPGF36) is characterized by reduced fertility due to teratozoospermia, with spermatozoa showing anomalies of the head, acrosome, and nucleus (Guran et al., 2019). For a general description and a discussion of genetic heterogeneity of spermatogenic failure, see SPGF1 (258150). [from OMIM]

MedGen UID:
1678385
Concept ID:
C5193086
Disease or Syndrome
8.

Neurodevelopmental disorder and language delay with or without structural brain abnormalities

Neurodevelopmental disorder and language delay with or without structural brain abnormalities (NEDLBA) is characterized by global developmental delay apparent from infancy. The phenotype is highly variable: patients may have hypotonia, behavioral abnormalities, and abnormalities on brain imaging, including enlarged ventricles, thin corpus callosum, and sometimes small brainstem. Many develop seizures, sometimes refractory, and some may have nonspecific dysmorphic features. Intellectual impairment can vary from mild to profound, and some patients may benefit from special education and respond well to speech therapy (summary by Reynhout et al., 2019). [from OMIM]

MedGen UID:
1677130
Concept ID:
C5193048
Disease or Syndrome
9.

Neurodevelopmental disorder with ataxic gait, absent speech, and decreased cortical white matter

NDAGSCW is a neurodevelopmental disorder characterized by severely delayed psychomotor development apparent from infancy. Affected individuals have delayed and difficulty walking, intellectual disability, absent speech, and variable additional features, including hip dysplasia, tapering fingers, and seizures. Brain imaging shows decreased cortical white matter, often with decreased cerebellar white matter, thin corpus callosum, and thin brainstem (summary by Lamers et al., 2017). [from OMIM]

MedGen UID:
1621102
Concept ID:
C4540498
Disease or Syndrome
10.

Immunodeficiency 14b, autosomal recessive

Autosomal recessive primary immunodeficiency-14B (IMD14B) is characterized by onset of recurrent infections in early childhood. Most patients have respiratory infections, but some may develop inflammatory bowel disease or osteomyelitis. Laboratory studies tend to show hypogammaglobulinemia and decreased levels of B cells. Although NK cell and T cell numbers are normal, there may be evidence of impaired immune-mediated cytotoxicity and defective T-cell function (summary by et al., 2018 and et al., 2019). [from OMIM]

MedGen UID:
984198
Concept ID:
CN301139
Disease or Syndrome
11.

HYPERTRIGLYCERIDEMIA 2

Hypertriglyceridemia-2 (HYTG2) is characterized by moderately to severely elevated plasma triglyceride levels, increased total cholesterol levels, and low levels of high density lipoprotein (HDL) cholesterol. Reduced penetrance has been observed (Lee et al., 2011; Cefalu et al., 2015). [from OMIM]

MedGen UID:
980018
Concept ID:
CN296937
Disease or Syndrome
12.

Frontometaphyseal dysplasia 2

Frontometaphyseal dysplasia (FMD) is a progressive sclerosing skeletal dysplasia characterized by supraorbital hyperostosis, undermodeling of the small bones, and small and large joint contractures, as well as extraskeletal developmental abnormalities, primarily of the cardiorespiratory system and genitourinary tract. Patients with FMD2 appear to have a propensity for keloid formation (summary by Wade et al., 2016). For a discussion of genetic heterogeneity of frontometaphyseal dysplasia, see FMD1 (305620). [from OMIM]

MedGen UID:
934664
Concept ID:
C4310697
Disease or Syndrome
13.

Spastic paraplegia 73, autosomal dominant

A pure form of hereditary spastic paraplegia characterized by adult onset of crural spastic paraparesis, hyperreflexia, extensor plantar responses, proximal muscle weakness, mild muscle atrophy, decreased vibration sensation at ankles, and mild urinary dysfunction. Foot deformities have been reported to eventually occur in some patients. No abnormalities are noted on brain magnetic resonance imaging and peripheral nerve conduction velocity studies. [from ORDO]

MedGen UID:
905874
Concept ID:
C4225387
Disease or Syndrome
14.

Mental retardation, autosomal dominant 35

PPP2R5D-related neurodevelopmental disorder is characterized by mild to severe neurodevelopmental delay. Pronounced hypotonia with delay in gross motor skills is common. Onset of independent walking varies widely and ataxia is reported. All reported individuals have speech impairment, with a wide range of abilities. Autism spectrum disorder is reported in six individuals. Macrocephaly is common. Seizures and ophthalmologic abnormalities are reported in fewer than half of individuals. Additional anomalies include skeletal, endocrine, and cardiac malformations, each reported in a few individuals. To date, 23 individuals with PPP2R5D-related neurodevelopmental disorder have been reported. [from GeneReviews]

MedGen UID:
900298
Concept ID:
C4225354
Disease or Syndrome
15.

Mental retardation, autosomal dominant 36

MedGen UID:
899880
Concept ID:
C4225352
Mental or Behavioral Dysfunction
16.

Smith-Kingsmore syndrome

Smith-Kingsmore syndrome is a rare autosomal dominant syndromic intellectual disability syndrome characterized by macrocephaly, seizures, umbilical hernia, and facial dysmorphic features including frontal bossing, midface hypoplasia, small chin, hypertelorism with downslanting palpebral fissures, depressed nasal bridge, smooth philtrum, and thin upper lip (Smith et al., 2013; Baynam et al., 2015). [from OMIM]

MedGen UID:
899689
Concept ID:
C4225259
Disease or Syndrome
17.

Osteogenesis imperfecta, type xvi

Osteogenesis imperfecta type XVI (OI16) is characterized by prenatal onset of multiple fractures of ribs and long bones, blue sclerae, decreased ossification of the skull, and severe demineralization. Heterozygous family members may exhibit recurrent fractures with minimal trauma, osteopenia, and blue sclerae (Keller et al., 2018; Lindahl et al., 2018). [from OMIM]

MedGen UID:
864047
Concept ID:
C4015610
Disease or Syndrome
18.

Fanconi renotubular syndrome 4 with maturity-onset diabetes of the young

Renal cysts and diabetes syndrome (RCAD) is a rare form of maturity-onset diabetes of the young (MODY; see this term) characterized clinically by heterogeneous cystic renal disease and early-onset familial non-autoimmune diabetes. Pancreatic atrophy, liver dysfunction and genital tract anomalies are also features of the syndrome. [from ORDO]

MedGen UID:
863399
Concept ID:
C4014962
Disease or Syndrome
19.

Immunodeficiency 36

IMD36 is a primary immunodeficiency with a highly heterogeneous clinical phenotype, characterized primarily by recurrent respiratory tract infections, lymphoproliferation, and antibody deficiency. Other features include growth retardation, mild neurodevelopmental delay, and autoimmunity. The major complication is development of B-cell lymphoma (Elkaim et al., 2016). [from OMIM]

MedGen UID:
863371
Concept ID:
C4014934
Disease or Syndrome
20.

Familial partial lipodystrophy 6

Familial partial lipodystrophy-6 (FPLD6) is characterized by abnormal subcutaneous fat distribution, with variable excess accumulation of fat in the face, neck, shoulders, axillae, back, abdomen, and pubic region, and reduction in subcutaneous fat of the lower extremities. Progressive adult-onset myopathy is seen in some patients, and there is variable association with diabetes, hypertriglyceridemia, low high-density lipoprotein (HDL) cholesterol, and hepatic steatosis (Zolotov et al., 2017). [from OMIM]

MedGen UID:
863306
Concept ID:
C4014869
Disease or Syndrome
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