1. Signaling Pathways
  2. Metabolic Enzyme/Protease
  3. Aldehyde Dehydrogenase (ALDH)

Aldehyde Dehydrogenase (ALDH)

Aldehyde Dehydrogenases (ALDHs) are a superfamily of NADP+-dependent enzymes that metabolize endogenous and exogenous aldehydes to corresponding carboxylic acids. This superfamily of proteins is comprised of 19 isozymes, with constitutive activity of at least one isozyme observed in a majority of mammalian tissues. The ALDHs play important roles, among other things, in cellular detoxification, the protection against ultraviolet radiation-induced damage, and amino acid metabolism.

The ALDH1A subfamily plays a pivotal role in embryogenesis and development by mediating retinoic acid signaling. ALDH2, as a key enzyme that oxidizes acetaldehyde, is crucial for alcohol metabolism. ALDH1A1 and ALDH3A1 are lens and corneal crystallins, which are essential elements of the cellular defense mechanism against ultraviolet radiation-induced damage in ocular tissues. Many ALDH isozymes are important in oxidizing reactive aldehydes derived from lipid peroxidation and thereby help maintain cellular homeostasis. Increased expression and activity of ALDH isozymes have been reported in various human cancers and are associated with cancer relapse. As a direct consequence of their significant physiological and toxicological roles, inhibitors of the ALDH enzymes have been developed to treat human diseases.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-135214
    GA11
    Inhibitor
    GA11 is an ALDH inhibitor that shows activity against glioblastoma both in vitro and in vivo.
    GA11
  • HY-N0018R
    Daidzin (Standard)
    Inhibitor
    Daidzin (Standard) is the analytical standard of Daidzin. This product is intended for research and analytical applications. Daidzin is an isoflavone with antioxidant, anticancer, and antiatherosclerotic activities. Daidzin is a potent and selective inhibitor of mitochondrial ALDH-2. Daidzin reduces ethanol consumption.
    Daidzin (Standard)
  • HY-129314
    CM-39
    Inhibitor
    CM-39 is a non-covalent and reversible inhibitor for aldehyde dehydrogenase 1A (ALDH1A) with an IC50 of 0.9 μM.
    CM-39
  • HY-169883
    PKM2-IN-7
    Inhibitor
    PKM2-IN-7 (compound 34) can inhibit the interaction between PKM2 and ALDH1A3 without showing significant toxicity to normal cells. PKM2-IN-7 can be used for research in the field of tumors.
    PKM2-IN-7
  • HY-127127A
    Deamino-NAD sodium
    Deamino-NAD sodium is a structural analog of NAD+ (HY-B0445). Deamino-NAD sodium is involved in glycolysis as a substrate for rabbit muscle glyceraldehyde 3-phosphate dehydrogenase (GPDH), with a Km of 2300 pm, and a Kd of 112 pm.
    Deamino-NAD sodium
  • HY-N7083R
    Citral (Standard)
    Inhibitor
    Citral (Standard) is the analytical standard of Citral. This product is intended for research and analytical applications. Citral is an orally active monoterpene compound in lemon grass essential oil and a natural ALDH1A inhibitor, which can induce apoptosis and cycle arrest in breast cancer cell lines, and has analgesic, anti-injurious and anti-inflammatory effects.
    Citral (Standard)
  • HY-169884
    MCI-INI-3
    Inhibitor
    MCI-INI-3 is a selective competitive inhibitor of human ALDH1A3 (with a Ki value of 0.55 μM for ALDH1A3 and a Ki value of 78.2 μM for ALDH1A1). MCIINI-3 inhibits the biosynthesis of retinoic acid and reduces the viability of GSC-83 and GSC-326 glioblastoma cells.
    MCI-INI-3
Cat. No. Product Name / Synonyms Application Reactivity

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