2023年4月29日 · As gene research goes on, researchers are finding links between late-onset Alzheimer's and a number of other genes. Examples include: ABCA7. This gene seems to be linked to a greater risk of Alzheimer's disease. Researchers suspect that it may have something to do with the gene's role in how the body uses cholesterol. CLU.

2020年4月14日 · A negative result means a mutated gene was not detected by the test, which can be reassuring, but it's not a 100 percent guarantee that you don't have the disorder. The accuracy of genetic tests to detect mutated genes varies, depending on the condition being tested for and whether or not the gene mutation was previously identified in a family ...

2025年1月10日 · Genetic profile. For certain types of breast cancer such as hormone receptor positive breast cancer, your doctor may have your cancer cells tested to learn more about their genetic makeup. Gene expression profiling tests, such as Oncotype DX, EndoPredict and MammaPrint, may help predict the risk of recurrence and give your doctor an idea of how ...

Pharmacogenomics, also called pharmacogenetics, is the study of how genes affect the body's response to medicine. The CYP450 tests look for gene changes, also called gene variations. Gene changes can affect how well a medicine may work for you. Tests also can show if a specific medicine is likely to cause side effects.

2025年1月18日 · Why it's done. Liver function tests can be used to: Screen for liver infections, such as hepatitis. Monitor a disease, such as viral or alcoholic hepatitis, and determine how well a treatment is working.

2024年3月8日 · Angelman syndrome is a condition caused by a change in a gene, called a genetic change. Angelman syndrome causes delayed development, problems with speech and balance, mental disability, and, sometimes, seizures. Many people with Angelman syndrome smile and laugh often. They tend to be happy and easy to excite.

2025年1月9日 · This gene controls the amount of iron the body absorbs from food. The altered gene is passed from parents to children. This type of hemochromatosis is by far the most common type. It's called hereditary hemochromatosis. Gene mutations that cause hemochromatosis. A gene called HFE is most often the cause of hereditary hemochromatosis.

2023年10月21日 · The results of genetic testing aren't always clear. A positive result means you carry a gene change that increases your risk of cancer. You can work with your healthcare team to manage that risk. A negative result may mean that you don't have the gene change. It also may mean that you might have a gene change that hasn't been discovered yet.

2022年5月24日 · A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.

2022年5月13日 · In a person with PKU, a change in the phenylalanine hydroxylase (PAH) gene causes a lack of or reduced amount of the enzyme that's needed to process phenylalanine, an amino acid. A dangerous buildup of phenylalanine can develop when a person with PKU eats protein-rich foods, such as milk, cheese, nuts or meat, or grains such as bread and pasta ...