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일반 설명
Asparaginase is a bacterial enzyme and also a chemotherapeutic drug.
애플리케이션
Asparaginase from Escherichia coli has been used:
- to compare the cytotoxic effect of L-asparaginase purified from Streptomyces brollosae NEAE-115
- as a standard in asparaginase assay to quantify asparaginase activities in various eel tissues
- to elicit amino acid deprivation
생화학적/생리학적 작용
Asparaginase (ASNase) products are usually obtained from Escherichia coli and Erwinia chrysanthemi. These enzymes can block the synthesis of protein in tumor cells. It shows high activity in the G1 phase of the cell cycle. It is capable of causing pancreatitis in leukemia patients.
Asparaginase is used in enzymatic assays and to convert asparagine to aspartic acid. Asparaginase is used to reduce the formation of acrylamide in starchy food products. It is also used as a chemotherapy agent for acute lymphoblastic leukemia . Product A3809 is from Escherichia coli and is provided as a lyophilized powder containing sodium chloride.
Asparaginase may cause cell death in leukemic cells by converting the necessary L-asparagine to aspartic acid and ammonia . Asparaginase is allosterically regulated and is crucial for proper cell functioning .
단위 정의
One unit will liberate 1.0 μmole of ammonia from L-asparagine per min at pH 8.6 at 37 °C.
물리적 형태
Lyophilized powder containing sodium chloride
제조 메모
Chromatographically purified
분석 메모
Protein determined by biuret.
신호어
Warning
유해 및 위험 성명서
Hazard Classifications
Repr. 2 - Skin Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Oxidized phospholipids regulate amino acid metabolism through MTHFD2 to facilitate nucleotide release in endothelial cells
Hitzel J, et al.
Nature Communications, 9(2292), 1-18 (2018)
Purification, characterization and immunogenicity assessment of glutaminase free L-asparaginase from Streptomyces brollosae NEAE-115
El-Naggar NEA, et al.
BMC Pharmacology & Toxicology, 19(1), 1-15 (2018)
Antineoplastic drugs
Drugs During Pregnancy and Lactation, 373-399 (2015)
Jie Xiong et al.
EBioMedicine, 72, 103614-103614 (2021-10-11)
Metabolic reprogramming plays an essential role on lymphoma progression. Dysregulation of glutamine metabolism is implicated in natural-killer T-cell lymphoma (NKTCL) and tumor cell response to asparaginase-based anti-metabolic treatment. To understand the metabolomic alterations and determine the potential therapeutic target of
Asparagine Synthetase Is Highly Expressed at Baseline in the Pancreas Through Heightened PERK Signaling
Mukherjee A, et al.
Cellular and molecular gastroenterology and hepatology (2019)
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