Acid-base balance via hepatic metabolism of sodium lactate to bicarbonate

The phrase "Acid-base balance via hepatic metabolism of sodium lactate to bicarbonate" does not refer to a single molecular target such as a receptor, enzyme, or transporter. Instead, it describes a physiological process by which **sodium lactate**, when administered intravenously or present endogenously, is metabolized primarily by the liver. In this process: * The **lactate anion** acts as substrate for gluconeogenesis and subsequent oxidation. * This metabolic pathway results in the generation of **bicarbonates**, contributing to correction of metabolic acidosis if normal hepatic oxidative capacity exists. * The effectiveness depends on adequate tissue perfusion and functional hepatocytes; otherwise, accumulation may occur without desired alkalinization. * This mechanism underlies clinical use of sodium lactate solutions for mild-to-moderately severe metabolic acidosis but is contraindicated or ineffective in cases with significant lactic acidosis due to shock or advanced liver dysfunction[1][4][6]. Because this entry refers broadly to a physiological pathway rather than any discrete molecular entity that can be directly targeted by drugs (such as receptors or enzymes), it should not be considered a canonical therapeutic target. "Metabolic conversion of lactat[e] to bicarbonat[e] is dependent on the integrity of cellular oxidative processes...When oxidative activity is intact, one to two hours time is required for conversion..."[1] "Its mechanism...rooted in its metabolism [of sodium lactat[e]]to bicarbonat[e], underpins its effectiveness in correcting acid-base imbalances."[4] In summary: This entry describes an important *physiological mechanism*, but does not correspond directly with any single druggable molecular target. It should therefore be flagged as incorrect if used where specific targets are required.

Other names

Hepatic conversion of lactate to bicarbonateSodium lactate metabolism and acid-base homeostasisLactate-to-bicarbonate pathway (hepatic)

Sodium lactate is metabolized in the liver, where it is converted into glycogen and ultimately oxidized to carbon dioxide and water. During this process, the **lactate anion** serves as a precursor for **bicarbonate regeneration**, thus exerting an alkalinizing effect that helps correct metabolic acidosis when hepatic oxidative function is intact[1][4].