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Asparaginase

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== Relevance ==
== Relevance ==
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ASP I is used in the food processing industry to reduce the formation of the carcinogen acrylamide in the production of starchy food products<ref>PMID:27211635</ref>. A different kind of ASP – ASP II – is used as drug (Elspar) in the treatment of cancer such as acute lymphoblastic leukemia (ALL)<ref>PMID:15651203</ref>.
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Beyond pure academic curiosity, ASNases are also studied because of their potential application as first-line drugs for the treatment of acute lymphoblastic leukemia (ALL) [1-4]<ref>PMID:27440950</ref><ref>PMID:31552479</ref>. By clearing L-asparagine from circulation, they starve the L-Asn-dependent malignant cells to death, while sparing the L-Asn-independent healthy cells. The first L-asparaginase introduced for clinical treatment of ALL was Elspar (EcAII from E. coli), followed by Erwinase (ErA from E. chrysanthemi). ASNases are also used in food industry to prevent the formation of acrylamide from L-Asn in fried starch foods [5, 6]. <ref>PMID:15651203</ref>.
== Disease ==
== Disease ==

Revision as of 07:27, 29 April 2024

E. coli asparaginase I tetramer complex with aspartic acid, asparagine, ethylene glycol and Cl- ions (green), 2p2n

Drag the structure with the mouse to rotate

References

  1. ↑ Wang Y, Guo HC. Crystallographic snapshot of a productive glycosylasparaginase-substrate complex. J Mol Biol. 2007 Feb 9;366(1):82-92. Epub 2006 Sep 26. PMID:17157318 doi:10.1016/j.jmb.2006.09.051
  2. ↑ Egler RA, Ahuja SP, Matloub Y. L-asparaginase in the treatment of patients with acute lymphoblastic leukemia. J Pharmacol Pharmacother. 2016 Apr-Jun;7(2):62-71. PMID:27440950 doi:10.4103/0976-500X.184769
  3. ↑ Beckett A, Gervais D. What makes a good new therapeutic L-asparaginase? World J Microbiol Biotechnol. 2019 Sep 24;35(10):152. PMID:31552479 doi:10.1007/s11274-019-2731-9
  4. ↑ Kwok CS, Kham SK, Ariffin H, Lin HP, Quah TC, Yeoh AE. Escherichia coli-asparaginase (Elspar) is superior to Erwinia-asparaginase (Erwinase) in childhood acute lymphoblastic leukaemia (ALL) induction--an early response study using minimal residual disease (MRD) markers. Ann Acad Med Singapore. 2004 Sep;33(5 Suppl):S45-6. PMID:15651203
  5. ↑ Aronson NN Jr. Aspartylglycosaminuria: biochemistry and molecular biology. Biochim Biophys Acta. 1999 Oct 8;1455(2-3):139-54. PMID:10571008
  6. ↑ Yun MK, Nourse A, White SW, Rock CO, Heath RJ. Crystal structure and allosteric regulation of the cytoplasmic Escherichia coli L-asparaginase I. J Mol Biol. 2007 Jun 8;369(3):794-811. Epub 2007 Mar 30. PMID:17451745 doi:http://dx.doi.org/10.1016/j.jmb.2007.03.061

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