2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Lactate Dehydrogenase

Lactate Dehydrogenase

LDH

Lactate Dehydrogenase

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Lactate Dehydrogenase (LDH) is an enzyme that catalyzes the conversion of pyruvate, the end product of glycolysis, into lactate (and vice versa) with concomitant interconversion of NADH and NAD+. LDH is comprised of two major subunits, LDH-A and LDH-B, which can assemble into five different isoenzymes (LDH1, LDH2, LDH3, LDH4, and LDH5).

LDH-A is also known as the M subunit as it is predominantly found in skeletal muscle, and LDH-B is also known as the H subunit as it is predominantly found in the heart. LDH-A is a vital metabolic enzyme that is associated with cancer development, invasion, and metastasis. LDH-A is also the key player of the Warburg effect. LDH-A has been reported to correlate with clinicopathologic characteristics and survival outcome of multiple cancers. The inhibition of LDH-A has an anti-proliferative effect on primary breast tumors. LDH-B is a crucial glycolytic enzyme that catalyses conversion of lactate and NAD+ to pyruvate, NADH and H+. LDHB plays an important role in autophagy in cancer cells.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-168172
    LDH-IN-3
    		Inhibitor
    LDH-IN-3 (compound E38) is an inhibitor of LDH, promising protective agent for ischemic nerve damage in the eye and brain. LDH-IN-3 acts its function via HO-1/SIRT1 pathway..
    LDH-IN-3
  • HY-175230
    ZG-2492
    		Inhibitor
    ZG-2492 is an orally active LDHA inhibitor with an IC50 of 156 nM. ZG-2492 can reduce lactate production and induce cell cycle arrest and apoptosis in pancreatic cancer cells . ZG-2492 has antitumor activity and can be used in the research of tumors such as pancreatic cancer.
    ZG-2492
  • HY-113486R
    Lathosterol (Standard)
    		Inhibitor
    Lathosterol (Standard) is the analytical standard of Lathosterol (HY-113486). This product is intended for research and analytical applications. Lathosterol is a plant sterol and cholesterol-like molecule. Lathosterol increases antioxidant enzymes (such as SOD, CAT, and GSH) and decreases LDH. Lathosterol has a hepatoprotective effect on mice with acetaminophen (HY-66005)-induced liver injury[1].
    Lathosterol (Standard)
  • HY-P2807G
    Lactate Dehydrogenase (LDH), Chicken Heart
    Lactate Dehydrogenase (LDH), Chicken Heart (LAD, LD, L-LDH, (S)-Lactate, LDH) is a biological material or organic compound that can be used in life science research.
    Lactate Dehydrogenase (LDH), Chicken Heart
  • HY-N6948S
    Linalyl acetate-d6
    		Inhibitor
    Linalyl acetate-d6 is deuterated labeled Linalyl acetate (HY-N6948). Linalyl acetate is the principal components of many plant essential oils. Linalyl acetate exhibits anti-anxiety, anti-inflammatory, anti-diabetic, anti-stress, and cardiovascular-regulatory effects. Linalyl acetate is orally active.
    Linalyl acetate-d<sub>6</sub>
  • HY-W013032R
    Oxamic acid (Standard)
    		Inhibitor
    Oxamic acid (Standard) is the analytical standard of Oxamic acid. This product is intended for research and analytical applications. Oxamic acid is a lactate dehydrogenase-A (LDH-A) inhibitor. Oxamic acid shows anti-tumor activity, and anti-proliferative activity against cancer cells, and can induce apoptosis[1][2][3].
    Oxamic acid (Standard)
  • HY-P2807J
    L-Lactate Dehydrogenase (L-LDH), pig muscle
    L-Lactate Dehydrogenase (L-LDH), pig muscle is an L-lactate dehydrogenase found in pig muscle, mainly present in anaerobic tissues (skeletal muscle, red blood cells). L-Lactate Dehydrogenase (L-LDH), pig muscle can interact with acidic liposomes at low pH, causing protein to adsorb onto the liposomes and inhibit enzyme activity. The IC50 values for L-Lactate Dehydrogenase (L-LDH), pig muscle are 0.05 μM for cardiolipin and 1.3 μM for phosphatidylserine liposomes.
    L-Lactate Dehydrogenase (L-LDH), pig muscle
  • HY-161279
    Antibiofilm agent-5
    		Inhibitor
    Antibiofilm agent-5 (compound 6c) is a multitargeting antibacterial agent with potent antibiofilm activity. Antibiofilm agent-5 could induce metabolic dysfunction by deactivating lactate dehydrogenase and promote the accumulation of reactive oxygen species to decrease the reduced glutathione and ultimately cause oxidative damage in bacteria. Antibiofilm agent-5 can be used for the research of refractory biofilm-intensified bacterial infections.
    Antibiofilm agent-5
  • HY-131485A
    3-Acetylpyridine adenine dinucleotide, 95%
    		Inhibitor
    3-Acetylpyridine adenine dinucleotide, 95% (3-APAD, 95%)is an analog of nicotinamide adenine dinucleotide (NAD). 33-Acetylpyridine adenine dinucleotide, 95% collaboratively inhibits Lactate Dehydrogenase (LDH) with bisulfite.
    3-Acetylpyridine adenine dinucleotide, 95%
  • HY-169060
    LDHA-IN-8
    		Inhibitor
    LDHA-IN-8 (Compound 6) is a lactate dehydrogenase (LDHA) inhibitor. LDHA-IN-8 inhibits LDHA catalysis of pyruvate in a dose-dependent manner (EC50 value of 14.54 μM), reduces intracellular lactate levels, and increases intracellular reactive oxygen species (ROS) levels, thereby inhibiting the proliferation of pancreatic cancer cells and lung cancer cells. LDHA-IN-8 holds promise for research in the field of LDHA-related antitumor therapies.
    LDHA-IN-8
  • HY-W040073S
    Nifurtimox-d4
    		Inhibitor
    Nifurtimox-d4 is deuterium labeled Nifurtimox. Nifurtimox, an antiprotozoal agent, which is generally used for the treatment of infections with Trypanosoma cruzi, has been used in the therapy of neuroblastoma. Nifurtimox affects enzyme activity of lactate dehydrogenase (LDH).
    Nifurtimox-d<sub>4</sub>
  • HY-154866
    Anticancer agent 122
    		Inhibitor
    Anticancer agent 122, an inhibitor of human lactate dehydrogenase A enzyme (hLDHA), has good anticancer activities and can be used for anticancer research.
    Anticancer agent 122
  • HY-173144
    AChE-IN-85
    		Inhibitor
    AChE-IN-85 (Compound 7k) is an AChE inhibitor with an IC50 of 0.083 μM. AChE-IN-85 can inhibit the release of NO, the production of TNF-α and IL-1β, the levels of LDH and ROS, as well as the aggregation of Aβ42. AChE-IN-85 has anti-inflammatory and neuroprotective effects and can be used in the research of diseases such as Alzheimer's disease.
    AChE-IN-85
  • HY-176798
    NCI-006
    		Inhibitor
    NCI-006 is an orally active lactate dehydrogenase (LDH) inhibitor (LDHA IC50 = 0.06 μM; LDHB IC50 = 0.03 μM). NCI-006 inhibits intratumoral LDH activity, lactate production, and tumor growth in a mouse pancreatic cancer model. NCI-006 inhibits glycolysis and induces apoptosis in vitro. NCI-006 enhances the radiosensitivity of glycolytic tumor cell lines while sparing non-glycolytic/normal cells (1522, skin fibroblasts) in combination with ionizing radiation (IR). NCI-006 exhibits synergistic antitumor effects in combination with IACS-010759 (HY-112037) against colorectal and gastric cancers. NCI-006 targets glycolysis by inhibiting lactate dehydrogenase impairs tumor growth in an Ewing sarcoma model.
    NCI-006
  • HY-157992
    LM-021
    		Inhibitor 98.27%
    LM-021 is a coumarin-chalcone derivative with anti-aggregatory, antioxidant, neuroprotective and anti-inflammatory properties which suppresses nitric oxide (NO), IL-1β, IL-6, TNF-α production, CD68 antigen (CD68) and histocompatibility-2 (MHCII) expression. LM-021 also attenuates the increase of caspase 1 activity, lactate dehydrogenase release and ROS level. LM-021 can be used for neurological research.
    LM-021
  • HY-168733
    LDHA-IN-9
    		Inhibitor
    LDHA-IN-9 (Compound 1g) is an inhibitor for LDH-A with an IC50 of 25 nM. LDHA-IN-9 inhibits the proliferation of DLD-1 cell (GI50 of 27 μM) through apoptosis induction. LDHA-IN-9 exhibits antitumor activity in mouse model without significant toxicity (25 mg/kg).
    LDHA-IN-9
  • HY-N0171AR
    Beta-Sitosterol (purity>98%) (Standard)
    		Agonist
    Beta-Sitosterol (purity>98%) (Standard) is an analytical standard for Beta-Sitosterol (purity>98%). Beta-Sitosterol (purity>98%) is intended for research and analytical applications. Beta-Sitosterol (purity>98%) is orally active. Beta-Sitosterol exhibits multiple activities, including anti-inflammatory, anticancer, antioxidant, antimicrobial, antidiabetic, antioxidant enzyme, and analgesic. Beta-Sitosterol inhibits inflammation and impaired adipogenesis in bovine mammary epithelial cells by reducing levels of ROS, TNF-α, IL-1β, and NF-κB p65 and restoring the activity of the HIF-1α/mTOR signaling pathway. Beta-Sitosterol induces apoptosis in cancer cells through ROS-mediated mitochondrial dysregulation and p53 activation. Beta-Sitosterol exerts its anticancer effects in cancer cells by activating caspase-3, caspase-8, and caspase-9, mediating PARP inactivation, MMP loss, altered Bcl-2-Bax ratio, and cytochrome c release. Beta-Sitosterol modulates macrophage polarization and reduces rheumatoid inflammation in mice. Beta-Sitosterol inhibits tumor growth in multiple mouse cancer models. Beta-Sitosterol can be used in the research of arthritis, lung cancer, breast cancer and other cancers, diabetes, etc.
    Beta-Sitosterol (purity>98%) (Standard)
  • HY-162627
    LDHA-IN-6
    		Inhibitor
    LDHA-IN-6 (compound 6) is an oral bioactive inhibitor of lactate dehydrogenase-A (LDHA), with the IC50 of 46 nM. LDHA-IN-6 has antitumor activity.
    LDHA-IN-6
  • HY-113486S1
    lathosterol-d7
    		Inhibitor
    lathosterol-d7 is deuterium labeled Lathosterol (HY-113486). Lathosterol is a plant sterol and cholesterol-like molecule. Lathosterol increases antioxidant enzymes (such as SOD, CAT, and GSH) and decreases LDH. Lathosterol has a hepatoprotective effect on mice with acetaminophen (HY-66005)-induced liver injury.
    lathosterol-d<sub>7</sub>
  • HY-162629
    LDHA-IN-7
    		Inhibitor
    LDHA-IN-7 (compound 21) is an oral bioactive inhibitor of lactate dehydrogenase-A (LDHA) and LDHB, with the IC50s of 72 nM and 1.2 Μm, respectively.
    LDHA-IN-7
Cat. No. Product Name / Synonyms Application Reactivity