Inhibition of thromboxane synthase activity improves glioblastoma response to alkylation chemotherapy.
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Inhibition of thromboxane synthase activity improves glioblastoma response to alkylation chemotherapy. / Schmidt, Nils-Ole; Ziu, Mateo; Cargioli, Theresa; Westphal, Manfred; Giese, Alf; Black, Peter M; Carroll, Rona S.
In: TRANSL ONCOL, Vol. 3, No. 1, 1, 2010, p. 43-49.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Inhibition of thromboxane synthase activity improves glioblastoma response to alkylation chemotherapy.
AU - Schmidt, Nils-Ole
AU - Ziu, Mateo
AU - Cargioli, Theresa
AU - Westphal, Manfred
AU - Giese, Alf
AU - Black, Peter M
AU - Carroll, Rona S
PY - 2010
Y1 - 2010
N2 - Thromboxane synthase (TXSA), an enzyme of the arachidonic acid metabolism, is upregulated in human glial tumors and is involved in glioma progression. Here, we analyzed the in vitro and in vivo effects of pharmacological inhibition of TXSA activity on human glioblastoma cells. Furegrelate, a specific inhibitor of TXSA, significantly inhibited tumor growth in an orthotopic glioblastoma model by inducing proapoptotic, antiproliferative, and antiangiogenic effects. Inhibition of TXSA induced a proapoptotic disposition of glioma cells and increased the sensitivity to the chemotherapeutic agent 1,3-bis(2-chloroethyl)-1-nitrosourea, significantly prolonging the survival time of intracerebral glioma-bearing mice. Our data demonstrate that the targeted inhibition of TXSA activity improves the efficiency of conventional alkylation chemotherapy in vivo. Our study supports the role of TXSA activity for the progression of malignant glioma and the potential utility of its therapeutic modulation for glioma treatment.
AB - Thromboxane synthase (TXSA), an enzyme of the arachidonic acid metabolism, is upregulated in human glial tumors and is involved in glioma progression. Here, we analyzed the in vitro and in vivo effects of pharmacological inhibition of TXSA activity on human glioblastoma cells. Furegrelate, a specific inhibitor of TXSA, significantly inhibited tumor growth in an orthotopic glioblastoma model by inducing proapoptotic, antiproliferative, and antiangiogenic effects. Inhibition of TXSA induced a proapoptotic disposition of glioma cells and increased the sensitivity to the chemotherapeutic agent 1,3-bis(2-chloroethyl)-1-nitrosourea, significantly prolonging the survival time of intracerebral glioma-bearing mice. Our data demonstrate that the targeted inhibition of TXSA activity improves the efficiency of conventional alkylation chemotherapy in vivo. Our study supports the role of TXSA activity for the progression of malignant glioma and the potential utility of its therapeutic modulation for glioma treatment.
U2 - 10.1593/tlo.09238
DO - 10.1593/tlo.09238
M3 - SCORING: Zeitschriftenaufsatz
VL - 3
SP - 43
EP - 49
JO - TRANSL ONCOL
JF - TRANSL ONCOL
SN - 1936-5233
IS - 1
M1 - 1
ER -