Angelman syndrome (AS) is a rare neuro-genetic disorder that occurs in one in 15,000 live births. Angelman syndrome is often misdiagnosed as cerebral palsy or autism due to lack of awareness. Characteristics of the disorder include developmental delay, lack of speech, seizures, and walking and balance disorders. Individuals with Angelman syndrome will require life-long care.
Description of Estrogen receptor assay. Estrogen receptor assay: A laboratory test that evaluates the benefits of hormone treatment for a patient diagnosed with breast cancer.
1 A ligand is any molecule that binds to a specific site on a protein or other molecule. 2  In this case, the estrogen hormone 17-beta-estradiol is the ligand, and the estrogen receptor is the protein.lick here to read about Steroid Hormone Receptors... When steroid and thyroid hormones bind with hormone receptors inside the cell, they trigger the gene expression that ultimately leads to protein production. But first, the hormones must get to the cell, enter it, and bind to a receptor to produce an effect.