urokinase

Thân thiện

A doctor administers urokinase to a patient in a hospital.

Definition

1. Noun:
   • A protease enzyme: Urokinase is a specific type of enzyme (a serine protease) that is produced in the kidney and found in urine and blood plasma.
   • A thrombolytic agent: It functions by converting the proenzyme plasminogen into the active enzyme plasmin, thereby initiating the breakdown of blood clots (fibrinolysis).

Usage Examples

• Noun:
  • The doctor administered urokinase to dissolve the acute coronary thrombus.
  • Urokinase is one of several agents used in thrombolytic therapy for ischemic stroke.

Advanced Usage

• Therapeutic Context: Urokinase is classified as a pharmaceutical thrombolytic drug. Its use is critical in emergency medicine for conditions like pulmonary embolism and myocardial infarction.
  • Due to its mechanism, urokinase is contraindicated in patients with active internal bleeding.

Variants and Related Words

• Urokinase-type plasminogen activator (uPA): This is the full scientific name for the enzyme, often used in biomedical research contexts.
  • The study focused on the role of urokinase-type plasminogen activator in cancer cell metastasis.

Synonyms

• Plasminogen activator: This is a broader category of enzymes that includes urokinase.
• Thrombolytic: A general term for clot-dissolving drugs, of which urokinase is one type.

Related Phrases and Compounds

• Urokinase receptor (uPAR): A cell surface receptor that binds urokinase, playing a key role in localizing its enzymatic activity.
  • The binding of urokinase to its receptor, uPAR, enhances cellular invasion.

Học thuật

Noun

1. protease produced in the kidney that converts plasminogen to plasmin and so initiates fibrinolysis

Từ đồng nghĩa

• plasminogen activator