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Published in: Comparative Clinical Pathology 5/2018

01-09-2018 | Original Article

TSC gene expression in the newly diagnosed Egyptian acute leukemia patients

Authors: Hanaa Arnaout, Farida Gad Allah, Ola Khorshid, Zainab Elsaadany, Nevien Fouad, Maryam Amer

Published in: Comparative Clinical Pathology | Issue 5/2018

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Abstract

TSC (tuberous sclerosis) complex is the major negative regulator of mTOR which activates cell cycle progression leading to uncontrolled growth. Acute leukemias are very heterogeneous as a group of hematological malignancies; they arise as a result of pled up genetic alterations. To study TSC gene expression in acute leukemia patients. Sixty-two Egyptian de no novo adult acute leukemia patients were assessed using SYBR green quantitative PCR as well as 22 controls. Correlation of TSC gene expression with response rate, other prognostic factors, and RFS was assessed. TSC1/TSC2 showed higher gene expression in acute leukemias compared to controls. TSC1 was significantly higher in T-ALL while TSC2 was significantly higher in B-ALL. Expression did not show significant correlation to known prognostic factors. TSC1/TSC2 overexpression might be implicated in the process of leukemogenesis.
Literature
go back to reference Bennett JM, Catovsky D, Daniel MT, Flandrin G, Galton DA, Gralnick HR, Sultan C (1985) Proposed revised criteria for the classification of acute myeloid leukaemia. A report of the French-American-British Cooperative Group. Ann Intern Med 103(4):620–625CrossRefPubMed Bennett JM, Catovsky D, Daniel MT, Flandrin G, Galton DA, Gralnick HR, Sultan C (1985) Proposed revised criteria for the classification of acute myeloid leukaemia. A report of the French-American-British Cooperative Group. Ann Intern Med 103(4):620–625CrossRefPubMed
go back to reference Bressanin D, Evangelisti C, Ricci F, Tabellini G, Chiarini F, Tazzari PL, Melchionda F, Buontempo F, Pagliaro P, Pession A, McCubrey JA, Martelli AM (2012) Harnessing the PI3K/Akt/mTOR pathway in T-cell acute lymphoblastic leukemia: eliminating activity by targeting at different levels. Oncotarget 3(8):811–823CrossRefPubMedPubMedCentral Bressanin D, Evangelisti C, Ricci F, Tabellini G, Chiarini F, Tazzari PL, Melchionda F, Buontempo F, Pagliaro P, Pession A, McCubrey JA, Martelli AM (2012) Harnessing the PI3K/Akt/mTOR pathway in T-cell acute lymphoblastic leukemia: eliminating activity by targeting at different levels. Oncotarget 3(8):811–823CrossRefPubMedPubMedCentral
go back to reference Chen C, Liu Y, Liu R, Ikenoue T, Guan KL, Liu Y, Zheng P (2008) TSC-mTOR maintains quiescence and function of hematopoietic stem cells by repressing mitochondrial biogenesis and reactive oxygen species. J Exp Med 205(10):2397–2408CrossRefPubMedPubMedCentral Chen C, Liu Y, Liu R, Ikenoue T, Guan KL, Liu Y, Zheng P (2008) TSC-mTOR maintains quiescence and function of hematopoietic stem cells by repressing mitochondrial biogenesis and reactive oxygen species. J Exp Med 205(10):2397–2408CrossRefPubMedPubMedCentral
go back to reference Huang J, Dibble CC, Matsuzaki M, Manning BD (2008) The TSC1-TSC2 complex is required for proper activation of mTOR complex 2. Mol Cell Biol 28(12):4104–4115CrossRefPubMedPubMedCentral Huang J, Dibble CC, Matsuzaki M, Manning BD (2008) The TSC1-TSC2 complex is required for proper activation of mTOR complex 2. Mol Cell Biol 28(12):4104–4115CrossRefPubMedPubMedCentral
go back to reference Jentarra GM, Rice SG, Olfers S, Saffen D, Narayanan V (2011) Evidence for population variation in TSC1 and TSC2 gene expression. BMC Med Genet:12–29 Jentarra GM, Rice SG, Olfers S, Saffen D, Narayanan V (2011) Evidence for population variation in TSC1 and TSC2 gene expression. BMC Med Genet:12–29
go back to reference Kharas MG, Okabe R, Ganis JJ, Gozo M, Khandan T, Paktinat M, Gilliland DG, Gritsman K (2010) Constitutively active AKT depletes hematopoietic stem cells and induces leukemia in mice. Blood 115(7):1406–1415CrossRefPubMedPubMedCentral Kharas MG, Okabe R, Ganis JJ, Gozo M, Khandan T, Paktinat M, Gilliland DG, Gritsman K (2010) Constitutively active AKT depletes hematopoietic stem cells and induces leukemia in mice. Blood 115(7):1406–1415CrossRefPubMedPubMedCentral
go back to reference Liu H, Radisky DC, Nelson CM, Zhang H, Fata JE, Roth RA, Bissell MJ (2006) Mechanism of Akt1 inhibition of breast cancer cell invasion reveals a protumorigenic role for TSC2. Proc Natl Acad Sci U S A 103(11):4134–4139CrossRefPubMedPubMedCentral Liu H, Radisky DC, Nelson CM, Zhang H, Fata JE, Roth RA, Bissell MJ (2006) Mechanism of Akt1 inhibition of breast cancer cell invasion reveals a protumorigenic role for TSC2. Proc Natl Acad Sci U S A 103(11):4134–4139CrossRefPubMedPubMedCentral
go back to reference Martelli AM, Chiarini F, Evangelisti C, Cappellini A, Buontempo F, Bressanin D, Fini M, McCubrey JA (2012) Two hits are better than one: targeting both phosphatidylinositol 3-kinase and mammalian target of rapamycin as a therapeutic strategy for acute leukemia treatment. Oncotarget 3(4):371–394CrossRefPubMedPubMedCentral Martelli AM, Chiarini F, Evangelisti C, Cappellini A, Buontempo F, Bressanin D, Fini M, McCubrey JA (2012) Two hits are better than one: targeting both phosphatidylinositol 3-kinase and mammalian target of rapamycin as a therapeutic strategy for acute leukemia treatment. Oncotarget 3(4):371–394CrossRefPubMedPubMedCentral
go back to reference Meng D, Frank AR, Jewell JL (2018) mTOR signaling in stem and progenitor cells. Development 8:145(1) Meng D, Frank AR, Jewell JL (2018) mTOR signaling in stem and progenitor cells. Development 8:145(1)
go back to reference Park S, Chapuis N, Tamburini J, Bardet V, Cornillet-Lefebvre P, Willems L, Green A, Mayeux P, Lacombe C, Bouscary D (2010) Role of the PI3K/AKT and mTOR signaling pathways in acute myeloid leukemia. Haematologica 95(5):819–828CrossRefPubMed Park S, Chapuis N, Tamburini J, Bardet V, Cornillet-Lefebvre P, Willems L, Green A, Mayeux P, Lacombe C, Bouscary D (2010) Role of the PI3K/AKT and mTOR signaling pathways in acute myeloid leukemia. Haematologica 95(5):819–828CrossRefPubMed
go back to reference Schmalzing M, Aringer M, Bornhäuser M, Atta J (2017) Myelodysplastic syndrome, acute leukemia and stem cell transplantation. Z Rheumatol 76(Suppl 2):26–32CrossRefPubMed Schmalzing M, Aringer M, Bornhäuser M, Atta J (2017) Myelodysplastic syndrome, acute leukemia and stem cell transplantation. Z Rheumatol 76(Suppl 2):26–32CrossRefPubMed
go back to reference Schmittgen TD, Livak KJ (2006) Analyzing real-time PCR data by the comparative CT method. Nat Protoc 3(6):1101–1108CrossRef Schmittgen TD, Livak KJ (2006) Analyzing real-time PCR data by the comparative CT method. Nat Protoc 3(6):1101–1108CrossRef
go back to reference Thien A, Prentzell MT, Holzwarth B, Kläsener K, Kuper I, Boehlke C, Sonntag AG, Ruf S, Maerz L, Nitschke R, Grellscheid SN, Reth M, Walz G, Baumeister R, Neumann-Haefelin E, Thedieck K (2015) TSC1 activates TGF-β-Smad2/3 signaling in growth arrest and epithelial-to-mesenchymal transition. Dev Cell 32(5):617–630CrossRefPubMed Thien A, Prentzell MT, Holzwarth B, Kläsener K, Kuper I, Boehlke C, Sonntag AG, Ruf S, Maerz L, Nitschke R, Grellscheid SN, Reth M, Walz G, Baumeister R, Neumann-Haefelin E, Thedieck K (2015) TSC1 activates TGF-β-Smad2/3 signaling in growth arrest and epithelial-to-mesenchymal transition. Dev Cell 32(5):617–630CrossRefPubMed
go back to reference Xu Z, Wang M, Wang L, Wang Y, Zhao X, Rao Q, Wang J (2009) Aberrant expression of TSC2 gene in the newly diagnosed acute leukemia. Leuk Res 33(7):891–897CrossRefPubMed Xu Z, Wang M, Wang L, Wang Y, Zhao X, Rao Q, Wang J (2009) Aberrant expression of TSC2 gene in the newly diagnosed acute leukemia. Leuk Res 33(7):891–897CrossRefPubMed
Metadata
Title
TSC gene expression in the newly diagnosed Egyptian acute leukemia patients
Authors
Hanaa Arnaout
Farida Gad Allah
Ola Khorshid
Zainab Elsaadany
Nevien Fouad
Maryam Amer
Publication date
01-09-2018
Publisher
Springer London
Published in
Comparative Clinical Pathology / Issue 5/2018
Print ISSN: 1618-5641
Electronic ISSN: 1618-565X
DOI
https://doi.org/10.1007/s00580-018-2722-5

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