Summary

MedlinePlus is an online health information resource. It is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). To promote the transmission of knowledge, this entry collection contains information about the effects of genetic variation on human health transferred from MedlinePlus.

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Topic Review
CARD9 Gene
caspase recruitment domain family member 9
  • 375
  • 24 Dec 2020
Topic Review
CARD14 Gene
caspase recruitment domain family member 14
  • 364
  • 24 Dec 2020
Topic Review
CARD11 Gene
caspase recruitment domain family member 11
  • 345
  • 24 Dec 2020
Topic Review
CAV3-Related Distal Myopathy
CAV3-related distal myopathy is one form of distal myopathy, a group of disorders characterized by weakness and loss of function affecting the muscles farthest from the center of the body (distal muscles), such as those of the hands and feet.
  • 387
  • 24 Dec 2020
Topic Review
Cells and DNA
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves. DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA). Mitochondria are structures within cells that convert the energy from food into a form that cells can use.
  • 660
  • 24 Dec 2020
Topic Review
CHMP2B-Related Frontotemporal Dementia
CHMP2B-related frontotemporal dementia is a progressive brain disorder that affects personality, behavior, and language. The symptoms of this disorder usually become noticeable in a person's fifties or sixties, and affected people survive about 3 to 21 years after the appearance of symptoms.
  • 449
  • 24 Dec 2020
Topic Review
CALR Gene
calreticulin
  • 377
  • 24 Dec 2020
Topic Review
Craniometaphyseal Dysplasia
Craniometaphyseal dysplasia is a rare condition characterized by thickening (overgrowth) of bones in the skull (cranium) and abnormalities in a region at the end of long bones known as the metaphysis. The abnormal bone growth continues throughout life. Except in the most severe cases, the lifespan of people with craniometaphyseal dysplasia is normal.
  • 381
  • 24 Dec 2020
Topic Review
CACNB4 Gene
calcium voltage-gated channel auxiliary subunit beta 4
  • 350
  • 24 Dec 2020
Topic Review
CHD2 Myoclonic Encephalopathy
CHD2 myoclonic encephalopathy is a condition characterized by recurrent seizures (epilepsy), abnormal brain function (encephalopathy), and intellectual disability. Epilepsy begins in childhood, typically between ages 6 months and 4 years. Each individual may experience a variety of seizure types. The most common are myoclonic seizures, which involve involuntary muscle twitches. Other seizure types include sudden episodes of weak muscle tone (atonic seizures); partial or complete loss of consciousness (absence seizures); seizures brought on by high body temperature (febrile seizure); or tonic-clonic seizures, which involve loss of consciousness, muscle rigidity, and convulsions. Some people with CHD2 myoclonic encephalopathy have photosensitive epilepsy, in which seizures are triggered by flashing lights. Some people with CHD2 myoclonic encephalopathy experience a type of seizure called atonic-myoclonic-absence seizure, which begins with a drop of the head, followed by loss of consciousness, then rigid movements of the arms. Epilepsy can worsen, causing prolonged episodes of seizure activity that last several minutes, known as status epilepticus. The seizures associated with CHD2 myoclonic encephalopathy are called refractory because they usually do not respond to therapy with anti-epileptic medications.
  • 430
  • 24 Dec 2020
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