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Items: 1 to 20 of 27

1.

de novo Mutation

An alteration in a gene that is present for the first time in one family member as a result of a mutation in a germ cell (egg or sperm) of one of the parents, or a mutation that arises in the fertilized egg itself during early embryogenesis. [from NCI_NCI-GLOSS]

MedGen UID:
457665
Concept ID:
C2985439
Cell or Molecular Dysfunction
2.

Thyroid hormone plasma membrane transport defect

MedGen UID:
396060
Concept ID:
C1861101
Disease or Syndrome
3.

Mosaicism

The presence ono more than one genetically distinct cell line in germ and/or somatic cells. [from NCI]

MedGen UID:
452472
Concept ID:
C0392053
Cell or Molecular Dysfunction
4.

Inborn genetic diseases

Diseases that are caused by genetic mutations present during embryo or fetal development, although they may be observed later in life. The mutations may be inherited from a parent's genome or they may be acquired in utero. [from MeSH]

MedGen UID:
181981
Concept ID:
C0950123
Disease or Syndrome
5.

Brain Diseases, Metabolic, Inborn

Brain disorders resulting from inborn metabolic errors, primarily from enzymatic defects which lead to substrate accumulation, product reduction, or increase in toxic metabolites through alternate pathways. The majority of these conditions are familial, however spontaneous mutation may also occur in utero. [from MeSH]

MedGen UID:
156005
Concept ID:
C0752109
Disease or Syndrome
6.

Mutagenesis

Process of generating a genetic MUTATION. It may occur spontaneously or be induced by MUTAGENS. [from MeSH]

MedGen UID:
86969
Concept ID:
C0079866
Molecular Function
7.

Tyrosinemia

A group of disorders which have in common elevations of tyrosine in the blood and urine secondary to an enzyme deficiency. Type I tyrosinemia features episodic weakness, self-mutilation, hepatic necrosis, renal tubular injury, and seizures and is caused by a deficiency of the enzyme fumarylacetoacetase. Type II tyrosinemia features INTELLECTUAL DISABILITY, painful corneal ulcers, and keratoses of the palms and plantar surfaces and is caused by a deficiency of the enzyme TYROSINE TRANSAMINASE. Type III tyrosinemia features INTELLECTUAL DISABILITY and is caused by a deficiency of the enzyme 4-HYDROXYPHENYLPYRUVATE DIOXYGENASE. (Menkes, Textbook of Child Neurology, 5th ed, pp42-3) [from MeSH]

MedGen UID:
78682
Concept ID:
C0268483
Disease or Syndrome
8.

Point mutation

A mutation caused by the substitution of one nucleotide for another. This results in the DNA molecule having a change in a single base pair. [from MeSH]

MedGen UID:
56498
Concept ID:
C0162735
Cell or Molecular Dysfunction
9.

Nutritional and Metabolic Diseases

A collective term for nutritional disorders resulting from poor absorption or nutritional imbalance, and metabolic disorders resulting from defects in biosynthesis (ANABOLISM) or breakdown (CATABOLISM) of endogenous substances. [from MeSH]

MedGen UID:
45164
Concept ID:
C0028715
Disease or Syndrome
10.

Metabolic disease

A congenital (due to inherited enzyme abnormality) or acquired (due to failure of a metabolic important organ) disorder resulting from an abnormal metabolic process. [from NCI]

MedGen UID:
44376
Concept ID:
C0025517
Disease or Syndrome
11.

Unspecified encephalopathy

A functional and/or structural disorder of the brain caused by diseases (e.g. liver disease, kidney disease), medications, chemicals, and injuries. [from NCI]

MedGen UID:
39314
Concept ID:
C0085584
Disease or Syndrome
12.

Congenital, Hereditary, and Neonatal Diseases and Abnormalities

Diseases existing at birth and often before birth, or that develop during the first month of life (INFANT, NEWBORN, DISEASES), regardless of causation. Of these diseases, those characterized by structural deformities are termed CONGENITAL ABNORMALITIES. [from MeSH]

MedGen UID:
14319
Concept ID:
C0027612
Congenital Abnormality; Disease or Syndrome
13.

Disorder of brain

A non-neoplastic or neoplastic disorder that affects the brain. [from NCI]

MedGen UID:
14214
Concept ID:
C0006111
Disease or Syndrome
14.

Serine

A non-essential amino acid in humans (synthesized by the body), Serine is present and functionally important in many proteins. With an alcohol group, serine is needed for the metabolism of fats, fatty acids, and cell membranes; muscle growth; and a healthy immune system. It also plays a major role in pyrimidine, purine, creatine, and porphyrin biosynthetic pathways. Serine is also found at the active site of the serine protease enzyme class that includes trypsin and chymotrypsin. (NCI04) [from NCI]

MedGen UID:
11382
Concept ID:
C0036720
Amino Acid, Peptide, or Protein; Biologically Active Substance; Pharmacologic Substance
15.

Inborn error of metabolism

A group of disorders present at birth that involve genetic defects leading to disturbances in carbohydrate, lipid, lysosomal storage or amino acid metabolism in the body. [from NCI]

MedGen UID:
6323
Concept ID:
C0025521
Congenital Abnormality; Disease or Syndrome
16.

Morphological abnormality of the central nervous system

A non-neoplastic or neoplastic disorder which affects the brain and/or spinal cord. [from NCI]

MedGen UID:
3306
Concept ID:
C0007682
Disease or Syndrome
17.

Disorder of amino acid metabolism

An inherited disorder that affects the metabolism of the amino acids. Representative examples include alkaptonuria, homocystinuria, tyrosinemia, and phenylketonuria. [from NCI]

MedGen UID:
1867
Concept ID:
C0002514
Disease or Syndrome
18.

Chromosomal anomaly

Abnormal number or structure of chromosomes. Chromosome aberrations may result in CHROMOSOME DISORDERS. [from MeSH]

MedGen UID:
954
Concept ID:
C0008625
Cell or Molecular Dysfunction
19.

Metabolic encephalopathy

Acquired or inborn metabolic diseases that produce brain dysfunction or damage. These include primary (i.e., disorders intrinsic to the brain) and secondary (i.e., extracranial) metabolic conditions that adversely affect cerebral function. [from MeSH]

MedGen UID:
647
Concept ID:
C0006112
Disease or Syndrome
20.

Amino acid

Any organic compounds containing amino (-NH2) and carboxyl (-COOH) groups. In biochemistry, used to refer to the twenty-plus L-alpha-amino acids found in proteins. [from NCI]

MedGen UID:
250
Concept ID:
C0002520
Amino Acid, Peptide, or Protein; Biologically Active Substance; Pharmacologic Substance
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