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Topic Review
CYP17A1 Gene
Cytochrome P450 Family 17 Subfamily A Member 1
  • 952
  • 23 Dec 2020
Topic Review
Beta-Propeller Protein-Associated Neurodegeneration
Beta-propeller protein-associated neurodegeneration (BPAN) is a disorder that damages the nervous system and is progressive, which means that it gradually gets worse. Affected individuals develop a buildup of iron in the brain that can be seen with medical imaging. For this reason, BPAN is classified as a type of disorder called neurodegeneration with brain iron accumulation (NBIA), although the iron accumulation may not occur until late in the disease.
  • 952
  • 24 Dec 2020
Topic Review
MT-ATP6 Gene
mitochondrially encoded ATP synthase membrane subunit 6
  • 951
  • 23 Dec 2020
Topic Review
Infantile Neuroaxonal Dystrophy
Infantile neuroaxonal dystrophy is a disorder that primarily affects the nervous system.
  • 951
  • 23 Dec 2020
Topic Review
RPE65
RPE65, retinoid isomerohydrolase
  • 951
  • 24 Dec 2020
Topic Review
Central Core Disease
Central core disease is a disorder that affects muscles used for movement (skeletal muscles). This condition causes muscle weakness that ranges from barely noticeable to very severe. The severity of muscle weakness may differ even among affected members of the same family.
  • 950
  • 24 Dec 2020
Topic Review
APOA1 Gene
apolipoprotein A1. The APOA1 gene provides instructions for making a protein called apolipoprotein A-I (apoA-I). 
  • 950
  • 24 Dec 2020
Topic Review
SMA-PME
Spinal muscular atrophy with progressive myoclonic epilepsy (SMA-PME) is a neurological condition that causes muscle weakness and wasting (atrophy) and a combination of seizures and uncontrollable muscle jerks (myoclonic epilepsy).  
  • 949
  • 23 Dec 2020
Topic Review
Spondylocarpotarsal Synostosis Syndrome
Spondylocarpotarsal synostosis syndrome is a disorder that affects the development of bones throughout the body. Newborns with this disorder are of approximately normal length, but impaired growth of the torso results in short stature over time. The bones of the spine (vertebrae) are misshapen and abnormally joined together (fused). The vertebral abnormalities may result in an abnormally curved lower back (lordosis) and a spine that curves to the side (scoliosis).  
  • 949
  • 23 Dec 2020
Topic Review
Achondrogenesis
Achondrogenesis is a group of severe disorders that affect cartilage and bone development. These conditions are characterized by a small body, short limbs, and other skeletal abnormalities. As a result of serious health problems, infants with achondrogenesis usually die before birth, are stillborn, or die soon after birth from respiratory failure. However, some infants have lived for a short time with intensive medical support.
  • 949
  • 23 Dec 2020
Topic Review
Weill-Marchesani Syndrome
Weill-Marchesani syndrome is a disorder of connective tissue. Connective tissue forms the body's supportive framework, providing structure and strength to the muscles, joints, organs, and skin.
  • 949
  • 23 Dec 2020
Topic Review
Cystinosis
Cystinosis is a condition characterized by accumulation of the amino acid cystine (a building block of proteins) within cells. Excess cystine damages cells and often forms crystals that can build up and cause problems in many organs and tissues. The kidneys and eyes are especially vulnerable to damage; the muscles, thyroid, pancreas, and testes may also be affected.
  • 949
  • 24 Dec 2020
Topic Review
Dopamine Transporter Deficiency Syndrome
Dopamine transporter deficiency syndrome is a rare movement disorder. The condition is also known as infantile parkinsonism-dystonia because the problems with movement (dystonia and parkinsonism, described below) usually start in infancy and worsen over time. However, the features of the condition sometimes do not appear until childhood or later.
  • 949
  • 24 Dec 2020
Topic Review
Crohn Disease
Crohn disease is a complex, long-lasting (chronic) disorder that primarily affects the digestive system. This condition involves an abnormal immune response that causes excess inflammation. It most often affects the intestinal walls, particularly in the lower part of the small intestine (the ileum) and portions of the large intestine (the colon). However, inflammation can occur in any part of the digestive system, from the mouth to the anus. The inflamed tissues become thick and swollen, and the inner surfaces of the digestive system may develop open sores (ulcers).
  • 948
  • 24 Dec 2020
Topic Review
SERPINA1 Gene
serpin family A member 1
  • 948
  • 24 Dec 2020
Topic Review
Greenberg Dysplasia
Greenberg dysplasia is a severe condition characterized by specific bone abnormalities in the developing fetus. This condition is fatal before birth.
  • 947
  • 23 Dec 2020
Topic Review
Pseudoachondroplasia
Pseudoachondroplasia is an inherited disorder of bone growth.
  • 947
  • 24 Dec 2020
Topic Review
Auriculo-condylar Syndrome
Auriculo-condylar syndrome is a condition that affects facial development, particularly development of the ears and lower jaw (mandible).
  • 947
  • 24 Dec 2020
Topic Review
ABCA4 Gene
ATP binding cassette subfamily A member 4
  • 947
  • 24 Dec 2020
Topic Review
GALT Gene
Galactose-1-phosphate uridylyltransferase
  • 947
  • 25 Dec 2020
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