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Lithium, which is often used to treat bipolar disorder, can cause acquired diabetes insipidus (characterized by the excretion of large volumes of dilute urine) by decreasing the expression of the AQP2 gene. The expression of the AQP2 gene is increased during conditions associated with water retention such as pregnancy and congestive heart failure.
Mutation of the aquaporin 2 vasopressin receptor is a cause of acquired diabetes insipidus. In rats, acquired nephrogenic diabetes insipidus can be caused by impaired regulation of aquaporin-2 due to administration of lithium salts, low potassium concentrations in the blood (hypokalemia) and high calcium concentrations in the blood (hypercalcemia).
Diabetes insipidus (DI) is a condition characterized by large amounts of dilute urine and increased thirst. [1] The amount of urine produced can be nearly 20 liters per day. [ 1 ] Reduction of fluid has little effect on the concentration of the urine. [ 1 ]
As a diagnosis of exclusion, a diagnosis of primary polydipsia may be the result of elimination of the possibility of diseases causing similar signs and symptoms, such as diabetes insipidus. [ 12 ] Diagnosis may be complicated by the fact that chronic and extreme compulsive drinking may impair the response of the kidneys to vasopressin , thus ...
Central diabetes insipidus, recently renamed arginine vasopressin deficiency (AVP-D), [1] is a form of diabetes insipidus that is due to a lack of vasopressin (ADH) production in the brain. Vasopressin acts to increase the volume of blood (intravascularly), and decrease the volume of urine produced.
Electrolyte imbalance, or water-electrolyte imbalance, is an abnormality in the concentration of electrolytes in the body. Electrolytes play a vital role in maintaining homeostasis in the body. They help to regulate heart and neurological function, fluid balance , oxygen delivery , acid–base balance and much more.
X-linked nephrogenic diabetes insipidus type 1 [304800] V2 receptor: Xq28: XR: Hyperthermia, polyuria, polydipsia, dehydration, inability to form concentrated urine, intellectual disability if diagnosis delayed. Symptoms in infancy: Hyperosmolar plasma, dilute urine Autosomal dominant nephrogenic diabetes insipidus type 2 [192340] AQP2: 12q13 ...
Other causes of acquired nephrogenic diabetes insipidus include hypokalemia (low blood potassium), post-obstructive polyuria, sickle cell disease or trait, amyloidosis, Sjögren syndrome, renal cystic disease, Bartter syndrome, and various medications (amphotericin B, orlistat, ifosfamide, ofloxacin, cidofovir, vaptans).