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Ko M, Kim MG, Yoon SS, Kim IW, Suh SY, Cho YS, Oh JM. Clinical impacts of the concomitant use of L-asparaginase and total parenteral nutrition containing L-aspartic acid in patients with acute lymphoblastic leukemia. Front Nutr 2023; 10:1122010. [PMID: 37077904 PMCID: PMC10106764 DOI: 10.3389/fnut.2023.1122010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/14/2023] [Indexed: 04/05/2023] Open
Abstract
IntroductionL-asparaginase (ASNase) depletes L-asparagine and causes the death of leukemic cells, making it a mainstay for the treatment of acute lymphoblastic leukemia (ALL). However, ASNase's activity can be inhibited by L-aspartic acid (Asp), which competes for the same substrate and reduces the drug's efficacy. While many commercially used total parenteral nutrition (TPN) products contain Asp, it is unclear how the concomitant use of TPNs containing Asp (Asp-TPN) affects ALL patients treated with ASNase. This propensity-matched retrospective cohort study evaluated the clinical effects of the interaction between ASNase and Asp-TPN.MethodsThe study population included newly diagnosed adult Korean ALL patients who received VPDL induction therapy consisting of vincristine, prednisolone, daunorubicin, and Escherichia coli L-asparaginase between 2004 and 2021. Patients were divided into two groups based on their exposure to Asp-TPN: (1) Asp-TPN group and (2) control group. Data, including baseline characteristics, disease information, medication information, and laboratory data, were collected retrospectively. The primary outcomes for the effectiveness were overall and complete response rates. Relapse-free survival at six months and one year of treatment were also evaluated. The safety of both TPN and ASNase was evaluated by comparing liver function test levels between groups. A 1:1 propensity score matching analysis was conducted to minimize potential selection bias.ResultsThe analysis included a total of 112 ALL patients, and 34 of whom received Asp-TPN and ASNase concomitantly. After propensity score matching, 30 patients remained in each group. The concomitant use of Asp-TPN and ASNase did not affect the overall response rate (odds ratio [OR] 0.53; 95% confidence interval [CI] = 0.17–1.62) or the complete response rate (OR 0.86; 95% CI = 0.29–2.59) of the ASNase-including induction therapy. The concomitant use of Asp-TPN and ASNase also did not impact relapse-free survival (RFS) at six months and one year of treatment (OR 1.00; 95% CI = 0.36–2.78 and OR 1.24; 95% CI, 0.50–3.12, respectively). The peak levels of each liver function test (LFT) and the frequency of LFT elevations were evaluated during induction therapy and showed no difference between the two groups.ConclusionThere is no clear rationale for avoiding Asp-TPN in ASNase-treated patients.
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Affiliation(s)
- Minoh Ko
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
- Department of Pharmacy, Seoul National University Hospital, Seoul, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Sung-Soo Yoon
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sung Yun Suh
- Department of Pharmacy, Seoul National University Hospital, Seoul, Republic of Korea
| | - Yoon-Sook Cho
- Department of Pharmacy, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
- *Correspondence: Jung Mi Oh,
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Chakravarty N, Sharma M, Kumar P, Singh RP. Biochemical and molecular insights on the bioactivity and binding interactions of Bacillus australimaris NJB19 L-asparaginase. Int J Biol Macromol 2022; 215:1-11. [PMID: 35718140 DOI: 10.1016/j.ijbiomac.2022.06.110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 06/08/2022] [Accepted: 06/14/2022] [Indexed: 11/05/2022]
Abstract
L-asparaginase, an antileukemic enzyme, is indispensable to the treatment of Acute Lymphoblastic Leukemia (ALL). However, the intrinsic glutaminase activity entails various side effects to the patients; thus, an improved version of the enzyme lacking glutaminase activity would be a requisite for effective treatment management of ALL. The present study highlights the biochemical and molecular characteristics of the recombinant glutaminase-free L-asparaginase from Bacillus australimaris NJB19 (BaAsp). Investigation of the active site architecture of the protein unraveled the binding interactions of BaAsp with its substrate. Comparative analysis of the L-asparaginase sequences revealed few substitutions of key amino acids in the BaAsp that could construe its substrate selectivity and specificity. The purified heterologously expressed protein (42 kDa) displayed maximum L-asparaginase activity at 35-40 °C and pH 8.5-9, with no observed L-glutaminase activity. The kinetic parameters, Km and Vmax, were determined as 45.6 μM and 0.16 μmoles min-1, respectively. Furthermore, in silico analysis revealed a conserved zinc-binding site in the protein, which is generally implicated in inhibiting the L-asparaginase activity. However, BaAsp was not inhibited by zinc at 1 mM concentration. Therefore, the findings provide insights on the biochemical and molecular details of BaAsp, which could be valuable in formulating it for alternate antileukemic drug therapy.
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Affiliation(s)
- Namrata Chakravarty
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Monica Sharma
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Pravindra Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - R P Singh
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India.
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3
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Barros RAM, Cristóvão RO, Carabineiro SAC, Neves MC, Freire MG, Faria JL, Santos-Ebinuma VC, Tavares APM, Silva CG. Immobilization and Characterization of L-Asparaginase over Carbon Xerogels. BIOTECH 2022; 11:biotech11020010. [PMID: 35822783 PMCID: PMC9264400 DOI: 10.3390/biotech11020010] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 03/30/2022] [Accepted: 04/08/2022] [Indexed: 02/05/2023] Open
Abstract
L-asparaginase (ASNase) is an aminohydrolase currently used in the pharmaceutical and food industries. Enzyme immobilization is an exciting option for both applications, allowing for a more straightforward recovery and increased stability. High surface area and customizable porosity make carbon xerogels (CXs) promising materials for ASNase immobilization. This work describes the influence of contact time, pH, and ASNase concentration on the immobilization yield (IY) and relative recovered activity (RRA) using the Central Composite Design methodology. The most promising results were obtained using CX with an average pore size of 4 nm (CX-4), reaching IY and RRA of 100%. At the optimal conditions (contact time 49 min, pH 6.73, and [ASNase] 0.26 mg·mL−1), the ASNase-CXs biocomposite was characterized and evaluated in terms of kinetic properties and operational, thermal, and pH stabilities. The immobilized ASNase onto CX-4 retained 71% of its original activity after six continuous reaction cycles, showed good thermal stability at 37 °C (RRA of 91% after 90 min), and was able to adapt to both acidic and alkaline environments. Finally, the results indicated a 3.9-fold increase in the immobilized ASNase affinity for the substrate, confirming the potential of CXs as a support for ASNase and as a cost-effective tool for subsequent use in the therapeutic and food sectors.
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Affiliation(s)
- Rita A. M. Barros
- LSRE-LCM—Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal; (R.A.M.B.); (R.O.C.); (S.A.C.C.); (J.L.F.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - Raquel O. Cristóvão
- LSRE-LCM—Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal; (R.A.M.B.); (R.O.C.); (S.A.C.C.); (J.L.F.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - Sónia A. C. Carabineiro
- LSRE-LCM—Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal; (R.A.M.B.); (R.O.C.); (S.A.C.C.); (J.L.F.)
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - Márcia C. Neves
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (M.C.N.); (M.G.F.)
| | - Mara G. Freire
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (M.C.N.); (M.G.F.)
| | - Joaquim L. Faria
- LSRE-LCM—Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal; (R.A.M.B.); (R.O.C.); (S.A.C.C.); (J.L.F.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - Valéria C. Santos-Ebinuma
- Department of Engineering Bioprocess and Biotechnology, School of Pharmaceutical Sciences, UNESP-University Estadual Paulista, Araraquara 14800-903, Brazil;
| | - Ana P. M. Tavares
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (M.C.N.); (M.G.F.)
- Correspondence: (A.P.M.T.); (C.G.S.); Tel.: +351-234-401-520 (A.P.M.T.); +351-220-414-874 (C.G.S.)
| | - Cláudia G. Silva
- LSRE-LCM—Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal; (R.A.M.B.); (R.O.C.); (S.A.C.C.); (J.L.F.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
- Correspondence: (A.P.M.T.); (C.G.S.); Tel.: +351-234-401-520 (A.P.M.T.); +351-220-414-874 (C.G.S.)
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Hunt JP, Wilding KM, Barnett RJ, Robinson H, Soltani M, Cho JE, Bundy BC. Engineering Cell‐Free Protein Synthesis for High‐Yield Production and Human Serum Activity Assessment of Asparaginase: Toward On‐Demand Treatment of Acute Lymphoblastic Leukemia. Biotechnol J 2020; 15:e1900294. [DOI: 10.1002/biot.201900294] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 11/13/2019] [Indexed: 12/22/2022]
Affiliation(s)
- J. Porter Hunt
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Kristen M. Wilding
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - R. Jordan Barnett
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Hannah Robinson
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Mehran Soltani
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Jae Eun Cho
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Bradley C. Bundy
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
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Singh J, Khan MI, Singh Yadav SP, Srivastava A, Sinha KK, Ashish, Das P, Kundu B. L-Asparaginase of Leishmania donovani: Metabolic target and its role in Amphotericin B resistance. INTERNATIONAL JOURNAL FOR PARASITOLOGY-DRUGS AND DRUG RESISTANCE 2017; 7:337-349. [PMID: 28988014 PMCID: PMC5633258 DOI: 10.1016/j.ijpddr.2017.09.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 08/22/2017] [Accepted: 09/21/2017] [Indexed: 01/12/2023]
Abstract
Emergence of Amphotericin B (AmB) resistant Leishmania donovani has posed major therapeutic challenge against the parasite. Consequently, combination therapy aimed at multiple molecular targets, based on proteome wise network analysis has been recommended. In this regard we had earlier identified and proposed L-asparaginase of Leishmania donovani (LdAI) as a crucial metabolic target. Here we report that both LdAI overexpressing axenic amastigote and promastigote forms of L. donovani survives better when challenged with AmB as compared to wild type strain. Conversely, qRT-PCR analysis showed an upregulation of LdAI in both forms upon AmB treatment. Our data demonstrates the importance of LdAI in imparting immediate protective response to the parasite upon AmB treatment. In the absence of structural and functional information, we modeled LdAI and validated its solution structure through small angle X-ray scattering (SAXS) analysis. We identified its specific inhibitors through ligand and structure-based approach and characterized their effects on enzymatic properties (Km, Vmax, Kcat) of LdAI. We show that in presence of two of the inhibitors L1 and L2, the survival of L. donovani is compromised whereas overexpression of LdAI in these cells restores viability. Taken together, our results conclusively prove that LdAI is a crucial metabolic enzyme conferring early counter measure against AmB treatment by Leishmania.
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Affiliation(s)
- Jasdeep Singh
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Mohd Imran Khan
- National Institute of Pharmaceutical Education & Research, EPIP Complex, Hajipur, Vaishali 844102, India
| | - Shiv Pratap Singh Yadav
- The Council of Scientific and Industrial Research Institute of Microbial Technology, Chandigarh, India
| | - Ankit Srivastava
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Kislay K Sinha
- National Institute of Pharmaceutical Education & Research, EPIP Complex, Hajipur, Vaishali 844102, India
| | - Ashish
- The Council of Scientific and Industrial Research Institute of Microbial Technology, Chandigarh, India
| | - Pradeep Das
- Rajendra Memorial Research Institute of Medical Sciences, Patna 800007, India
| | - Bishwajit Kundu
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi 110016, India.
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6
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Palm GJ, Lubkowski J, Derst C, Schleper S, Röhm KH, Wlodawer A. A covalently bound catalytic intermediate in Escherichia coli asparaginase: crystal structure of a Thr-89-Val mutant. FEBS Lett 1996; 390:211-6. [PMID: 8706862 DOI: 10.1016/0014-5793(96)00660-6] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Escherichia coli asparaginase II catalyzes the hydrolysis of L-asparagine to L-aspartate via a threonine-bound acyl-enzyme intermediate. A nearly inactive mutant in which one of the active site threonines, Thr-89, was replaced by valine was constructed, expressed, and crystallized. Its structure, solved at 2.2 A resolution, shows high overall similarity to the wild-type enzyme, but an aspartyl moiety is covalently bound to Thr-12, resembling a reaction intermediate. Kinetic analysis confirms the deacylation deficiency, which is also explained on a structural basis. The previously identified oxyanion hole is described in more detail.
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Affiliation(s)
- G J Palm
- Macromolecular Structure Laboratory, NCI-Frederick Cancer Research and Development Center, Frederick, MD 21702-1201, USA
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7
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Derst C, Wehner A, Specht V, Röhm KH. States and functions of tyrosine residues in Escherichia coli asparaginase II. EUROPEAN JOURNAL OF BIOCHEMISTRY 1994; 224:533-40. [PMID: 7925369 DOI: 10.1111/j.1432-1033.1994.00533.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The importance of five tyrosine residues of Escherichia coli asparaginase II (EcA2) for catalysis and protein stability was examined by site-directed mutagenesis, chemical modification of wild-type and variant enzymes, and by thermodynamic studies of protein denaturation. While the tyrosine residue Y25 is directly involved in catalysis, the hydroxyl groups of residues Y181, Y250, Y289 and Y326 are not necessary for EcA2 activity. However, residues Y181 and Y326 are crucial for stabilization of the native EcA2 tetramer. pH titration curves showed that the active-site residue Y25 has a normal pKa while the C-terminal Y326 is unusually acidic. 1H-NMR signals of a peculiar ligand-sensitive tyrosine residue were assigned to Y25. These and other data suggest that a peptide loop (residues 14-27) which shields the active site during catalysis is highly flexible in the free enzyme.
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Affiliation(s)
- C Derst
- Institut für Physiologische Chemie, Philipps-Universität, Marburg, Germany
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8
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Swain AL, Jaskólski M, Housset D, Rao JK, Wlodawer A. Crystal structure of Escherichia coli L-asparaginase, an enzyme used in cancer therapy. Proc Natl Acad Sci U S A 1993; 90:1474-8. [PMID: 8434007 PMCID: PMC45896 DOI: 10.1073/pnas.90.4.1474] [Citation(s) in RCA: 194] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The crystal structure of Escherichia coli asparaginase II (EC 3.5.1.1), a drug (Elspar) used for the treatment of acute lymphoblastic leukemia, has been determined at 2.3 A resolution by using data from a single heavy atom derivative in combination with molecular replacement. The atomic model was refined to an R factor of 0.143. This enzyme, active as a homotetramer with 222 symmetry, belongs to the class of alpha/beta proteins. Each subunit has two domains with unique topological features. On the basis of present structural evidence consistent with previous biochemical studies, we propose locations for the active sites between the N- and C-terminal domains belonging to different subunits and postulate a catalytic role for Thr-89.
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Affiliation(s)
- A L Swain
- Macromolecular Structure Laboratory, National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702-1201
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9
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Wehner A, Harms E, Jennings MP, Beacham IR, Derst C, Bast P, Röhm KH. Site-specific mutagenesis of Escherichia coli asparaginase II. None of the three histidine residues is required for catalysis. EUROPEAN JOURNAL OF BIOCHEMISTRY 1992; 208:475-80. [PMID: 1521538 DOI: 10.1111/j.1432-1033.1992.tb17210.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Site-specific mutagenesis was used to replace the three histidine residues of Escherichia coli asparaginase II (EcA2) with other amino acids. The following enzyme variants were studied: [H87A]EcA2, [H87L]EcA2, [H87K]EcA2, [H183L]EcA2 and [H197L]EcA2. None of the mutations substantially affected the Km for L-aspartic acid beta-hydroxamate or impaired aspartate binding. The relative activities towards L-Asn, L-Gln, and l-aspartic acid beta-hydroxamate were reduced to the same extent, with residual activities exceeding 10% of the wild-type values. These data do not support a number of previous reports suggesting that histidine residues are essential for catalysis. Spectroscopic characterization of the modified enzymes allowed the unequivocal assignment of the histidine resonances in 1H-NMR spectra of asparaginase II. A histidine signal previously shown to disappear upon aspartate binding is due to His183, not to the highly conserved His87. The fact that [H183L]EcA2 has normal activity but greatly reduced stability in the presence of urea suggests that His183 is important for the stabilization of the native asparaginase tetramer. 1H-NMR and fluorescence spectroscopy indicate that His87 is located in the interior of the protein, possibly adjacent to the active site.
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Affiliation(s)
- A Wehner
- Institut für Physiologische Chemie, Philipps-Universität, Marburg, Federal Republic of Germany
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Bagert U, Röhm KH. On the role of histidine and tyrosine residues in E. coli asparaginase. Chemical modification and 1H-nuclear magnetic resonance studies. BIOCHIMICA ET BIOPHYSICA ACTA 1989; 999:36-41. [PMID: 2679893 DOI: 10.1016/0167-4838(89)90026-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The relative importance of tyrosine and histidine residues for the catalytic action of Escherichia coli asparaginase (L-asparagine amidohydrolase, EC 3.5.1.1) was studied by chemical modification and 1H-NMR spectroscopy. We show that, under appropriate reaction conditions, N-bromosuccinimide (NBS) as well as diazonium-1H-tetrazole (DHT) inactivate by selectively modifying two tyrosine residues per asparaginase subunit without affecting histidyl moieties. We further show that diethyl pyrocarbonate (DEP), a reagent considered specific for histidine, also modifies tyrosine residues in asparaginase. Thus, inactivation of the enzyme by DEP is not indicative of histidine residues being involved in catalysis. In 1H-nuclear magnetic resonance (NMR) spectra of asparaginase signals from all three histidine residues were identified. By measuring the pH dependencies of these resonances, pKa values of 7.0 and 5.8 were derived for two of the histidines. Titration with aspartate which tightly binds to the enzyme at low pH strongly reduced the signal amplitude of the pKa 7 histidyl moiety as well as those of resonances of one or more tyrosine residues. This suggests that tyrosine and histidine are indeed constituents of the active site.
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Affiliation(s)
- U Bagert
- Institute of Physiological Chemistry, Philipps University Marburg Lahn, F.R.G
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