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Merck

L1378

Sigma-Aldrich

L-Lactic Dehydrogenase from bovine muscle

Type X, ammonium sulfate suspension, ≥600 units/mg protein

Sinónimos:

(S)-Lactate: NAD+ oxidoreductase, L-LDH, LAD, LD, Lactate

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About This Item

Número de CAS:
Comisión internacional de enzimas:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

bovine muscle

Quality Level

type

Type X

assay

3.0—25.0 mg protein/mL (biuret)

form

ammonium sulfate suspension

specific activity

≥600 units/mg protein

manufacturer/tradename

Sigma-Aldrich

technique(s)

activity assay: suitable

color

white

pH

7.5

UniProt accession no.

application(s)

life science and biopharma

foreign activity

pyruvate kinase ≤0.01%

storage temp.

2-8°C

Gene Information

General description

Research Area: Cell Signaling
Lactate dehydrogenase (LDH) is a key enzyme in the anaerobic metabolic pathway and falls under the class of oxidoreductases. This enzyme is found in a wide range of organisms, including both plants and animals. It is widely distributed across all tissues. LDH is primarily a cytoplasmic enzyme, with particularly high concentrations in muscle, liver, and kidney tissues.

Application

L-Lactic Dehydrogenase from bovine muscle has been used in lactate assay to assess lactate tissue accumulation.

Biochem/physiol Actions

Lactate dehydrogenase (LDH) plays a critical role as a checkpoint in gluconeogenesis and DNA metabolism. It plays a vital role in maintaining homeostasis during periods of low oxygen availability. As an oxidoreductase enzyme, lactate dehydrogenase catalyzes the reversible conversion of pyruvate to lactate using NADH. This enzyme is crucial for the anaerobic metabolism of glucose when oxygen is either absent or in short supply. LDH is the sole serum biomarker effective for evaluating metastatic melanomas.
Also catalyzes the oxidation of other L-2-hydroxymonocarboxylic acids.

Unit Definition

One unit will reduce 1.0 μmole of pyruvate to L-lactate per min at pH 7.5 at 37 °C.

Physical form

Crystalline suspension in 2.4 M (NH4)2SO4 solution, pH 6.0

Analysis Note

Protein determined by biuret.

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)


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Vasco Meneghini et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(14), 6047-6059 (2013-04-05)
Dysregulated hippocampal neurogenesis has been associated with neurodegenerative disorders, including Alzheimer's disease (AD), in which it may potentially represent an auto-reparatory mechanism that could counteract neuronal loss and cognitive impairment. We evaluated hippocampal neurogenesis in TgCRND8 mice and reported that
Sebastian-Jonas Saur et al.
Deutsche medizinische Wochenschrift (1946), 138(16), Seite 1-Seite30 (2013-04-24)
We report on the case of a young women presenting with macrohaematuria, petechiae and strong headaches. Laboratory showed a thrombotic microangiopathy with helmet cells, increased LDH levels (>600 U/l), and thrombocytopenia (<40,000/μl). Due to strong haemolytic activity and headache with
Wei Quan et al.
Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan, 33(1), 85-91 (2013-04-20)
To determine the cardioprotective effect of magnesium lithospermate B (MLB) on myocardial ischemia/reperfusion (MI/R) injury and to investigate the antioxidant potential in vivo and in vitro. MI/R injury was induced by the occlusion of left anterior descending coronary artery for
O V Basharina et al.
Radiatsionnaia biologiia, radioecologiia, 52(6), 602-607 (2013-03-23)
The influence of UV-light (240-390 nm) at the dozes of 151 and 755 J/m2 on the intensity of processes of the lipid peroxidation, activity of lactate dehydrogenase (LDH), succinate dehydrogenase (SDH), cytochrome c oxidase and the level of the energy
Bécaye Fall et al.
Malaria journal, 12, 107-107 (2013-03-21)
In 2006, the Senegalese National Malaria Control Programme recommended artemisinin-based combination therapy (ACT) as the first-line treatment for uncomplicated malaria. Since the introduction of ACT, there have been very few reports on the level of resistance of P. falciparum to

Artículos

Instructions for working with enzymes supplied as ammonium sulfate suspensions

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