DADA

DADA (Diisopropylamine Dichloroacetate)

DADA (Diisopropylamine Dichloroacetate) is a synthetic organic amine salt composed of a cationic diisopropylamine moiety complexed with an anionic dichloroacetate partner. In cellular bioenergetics and metabolic research, DADA serves as a highly specialized tool compound investigated for its role as an inhibitor of pyruvate dehydrogenase kinase 4 (PDK4).

By selectively targeting PDK4, DADA blocks the phosphorylation-mediated inactivation of the pyruvate dehydrogenase complex (PDC), allowing researchers to study downstream shifts in mitochondrial respiration, oxidative phosphorylation kinetics, and the transition of cellular flux away from anaerobic glycolysis.

Structural Elements to Observe: The diagram above illustrates the active dichloroacetic acid (DCA) core of the salt. In DADA, this chlorinated organic acid is stabilized via an ionic bond to diisopropylamine. This specific salt configuration is extensively evaluated in solution chemistry to observe how the two counter-ions maintain molecular association and alter transport kinetics across varied buffer systems over time.

Technical Specifications

Research Applications & Mechanism of Interest

DADA is heavily utilized in metabolic oncology, virology, and mitochondrial function assays to interrogate the metabolic reprogramming of cells under stress.

Primary fields of preclinical and in vitro laboratory investigation include:

• PDK4 Enzymatic Inhibition: Investigating how blocking PDK4 restores active, unphosphorylated pyruvate dehydrogenase, thereby accelerating the conversion of pyruvate to acetyl-CoA inside the mitochondrial matrix.

• Glycolytic Flux Alteration: Measuring rates of lactate production and cellular acidification. Investigators deploy DADA to study the “Warburg Effect” in metabolic disease and cancer cell lines, tracking cellular apoptosis when glycolysis is restricted.

• Ion-Pair Stability & Salt Association: Evaluating the structural behavior of the diisopropylamine-dichloroacetate pair in liquid chromatography and cell-free assay environments. Researchers check structural association over time across various pH gradients and buffer concentrations.

• Mitochondrial Respiration and ATP Yield: Utilizing oxygen consumption rate (OCR) assays to monitor the optimization of mitochondrial oxidative phosphorylation and overall cellular energy yield.

Storage & Handling Guidelines

To preserve the absolute stability of the crystalline powder and ensure reproducible results across longitudinal research cohorts:

• Long-Term Preservation: Store the bulk crystalline powder in a deeply frozen state maintained at -20°C.

• Short-Term Working Stocks: Keep at 2–8°C for active, daily laboratory handling and workflow usage.

• Moisture and Hygroscopic Mitigation: DADA must be kept in its original, hermetically sealed container with an active desiccant. Exposure to atmospheric humidity can cause salt hydration, potentially altering analytical dry-weight accuracy.

• Photolytic Barriers: Protect from direct light and ultraviolet (UV) radiation by storing the compound inside opaque or high-grade amber laboratory containment vessels.

• Analytical Quality Standards: Kimera Chems employs a strict dual-method verification protocol combining High-Performance Liquid Chromatography (HPLC) and CHN elemental analysis to independently audit the compound identity, salt stoichiometry, and absolute purity baseline.

Research Use Only Disclaimer: This compound is developed, manufactured, and distributed strictly as a Research Use Only (RUO) laboratory reference chemical. It is not an FDA-approved drug, licensed medication, active pharmaceutical ingredient, or dietary supplement, and is strictly prohibited for human or veterinary consumption. Kimera Chems supplies these reference standards exclusively to accredited institutional laboratories, academic research departments, and certified investigators for in vitro analytical assays.

Frequently Asked Research Questions

How does DADA differ from sodium dichloroacetate (NaDCA) in experimental models?

While both compounds deliver the active dichloroacetate anion to inhibit PDK, DADA utilizes a diisopropylamine counter-ion rather than a sodium ion. In specific cell-free and tissue assays, the presence of the organic amine counter-ion can significantly alter membrane permeability, ionization characteristics, and localized buffer compatibility compared to inorganic sodium salts.

Why is moisture protection so critical for DADA crystalline powder?

As an organic amine salt, DADA is inherently hygroscopic. If exposed to ambient moisture, the crystalline matrix will absorb water molecules, resulting in physical clumping. This does not necessarily degrade the covalent bonds, but it alters the compound’s moisture weight, compromising the precision of micro-molar solution preparation.

Scientific References

1. Yamane, K., et al. (2014). “Diisopropylamine dichloroacetate, a novel pyruvate dehydrogenase kinase 4 inhibitor, as a potential therapeutic agent for metabolic disorders and multiorgan failure in severe influenza.” PLoS ONE, 9(5), e98032. DOI: 10.1371/journal.pone.0098032.

2. Bonnet, S., et al. (2007). “A mitochondria-K+ channel axis is suppressed in cancer and defines a novel therapeutic target.” Cancer Cell, 11(1), 37–51. DOI: 10.1016/j.ccr.2006.10.020.

3. Stacpoole, P. W., et al. (2003). “Dichloroacetate for treatment of congenital lactic acidosis.” Environmental Health Perspectives, 111(4), 652–654. DOI: 10.1289/ehp.5963.