Preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma

Abstract Leiomyosarcoma (LMS) is a rare soft tissue sarcoma (STS) that begins in smooth muscle tissue and most often initiates in the abdomen or uterus. Compared with other uterine cancers, uterine LMS (ULMS) is an aggressive tumor with poor prognosis and a high risk of recurrence and death, regardl...

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Main Authors: Sonam Mittal, Ishaque Pulikkal Kadamberi, Hua Chang, Feng Wang, Sudhir Kumar, Shirng-Wern Tsaih, Christopher J. Walker, Pradeep Chaluvally-Raghavan, John Charlson, Yosef Landesman, Sunila Pradeep
Format: Article
Language:English
Published: BMC 2023-09-01
Series:Experimental Hematology & Oncology
Subjects:
Online Access:https://doi.org/10.1186/s40164-023-00443-w
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author Sonam Mittal
Ishaque Pulikkal Kadamberi
Hua Chang
Feng Wang
Sudhir Kumar
Shirng-Wern Tsaih
Christopher J. Walker
Pradeep Chaluvally-Raghavan
John Charlson
Yosef Landesman
Sunila Pradeep
author_facet Sonam Mittal
Ishaque Pulikkal Kadamberi
Hua Chang
Feng Wang
Sudhir Kumar
Shirng-Wern Tsaih
Christopher J. Walker
Pradeep Chaluvally-Raghavan
John Charlson
Yosef Landesman
Sunila Pradeep
author_sort Sonam Mittal
collection DOAJ
description Abstract Leiomyosarcoma (LMS) is a rare soft tissue sarcoma (STS) that begins in smooth muscle tissue and most often initiates in the abdomen or uterus. Compared with other uterine cancers, uterine LMS (ULMS) is an aggressive tumor with poor prognosis and a high risk of recurrence and death, regardless of the stage at presentation. Selinexor is a first-in-class selective inhibitor of nuclear export (SINE) compound that reversibly binds to exportin 1 (XPO1), thereby reactivating tumor suppressor proteins and downregulating the expression of oncogenes and DNA damage repair (DDR) proteins. In this study, we evaluated the effects of selinexor in combination with doxorubicin and eribulin in the LMS tumor model in vitro and in vivo. Treatment of selinexor combined with eribulin showed synergistic effects on tumor growth inhibition in SK-UT1 LMS-derived xenografts. Immunohistochemical assessment of the tumor tissues showed a significantly reduced expression of proliferation (Ki67) and XPO1 markers following combination therapy compared to the control group. Global transcriptome analyses on tumor tissue revealed that the combination therapy regulates genes from several key cancer-related pathways that are differentially expressed in ULMS tumors. To our knowledge, this is the first preclinical study demonstrating the anti-cancer therapeutic potential of using a combination of selinexor and eribulin in vivo. Results from this study further warrant clinical testing a combination of chemotherapy agents with selinexor to reduce the morbidity and mortality from ULMS.
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spelling doaj.art-91fda5397a8d4c568f9244b8871df4be2023-11-26T12:33:07ZengBMCExperimental Hematology & Oncology2162-36192023-09-011211610.1186/s40164-023-00443-wPreclinical activity of selinexor in combination with eribulin in uterine leiomyosarcomaSonam Mittal0Ishaque Pulikkal Kadamberi1Hua Chang2Feng Wang3Sudhir Kumar4Shirng-Wern Tsaih5Christopher J. Walker6Pradeep Chaluvally-Raghavan7John Charlson8Yosef Landesman9Sunila Pradeep10Department of Obstetrics and Gynecology, Medical College of WisconsinDepartment of Obstetrics and Gynecology, Medical College of WisconsinKaryopharm Therapeutics, IncKaryopharm Therapeutics, IncDepartment of Obstetrics and Gynecology, Medical College of WisconsinDepartment of Obstetrics and Gynecology, Medical College of WisconsinKaryopharm Therapeutics, IncDepartment of Obstetrics and Gynecology, Medical College of WisconsinMedical Oncology, Medical College of WisconsinKaryopharm Therapeutics, IncDepartment of Obstetrics and Gynecology, Medical College of WisconsinAbstract Leiomyosarcoma (LMS) is a rare soft tissue sarcoma (STS) that begins in smooth muscle tissue and most often initiates in the abdomen or uterus. Compared with other uterine cancers, uterine LMS (ULMS) is an aggressive tumor with poor prognosis and a high risk of recurrence and death, regardless of the stage at presentation. Selinexor is a first-in-class selective inhibitor of nuclear export (SINE) compound that reversibly binds to exportin 1 (XPO1), thereby reactivating tumor suppressor proteins and downregulating the expression of oncogenes and DNA damage repair (DDR) proteins. In this study, we evaluated the effects of selinexor in combination with doxorubicin and eribulin in the LMS tumor model in vitro and in vivo. Treatment of selinexor combined with eribulin showed synergistic effects on tumor growth inhibition in SK-UT1 LMS-derived xenografts. Immunohistochemical assessment of the tumor tissues showed a significantly reduced expression of proliferation (Ki67) and XPO1 markers following combination therapy compared to the control group. Global transcriptome analyses on tumor tissue revealed that the combination therapy regulates genes from several key cancer-related pathways that are differentially expressed in ULMS tumors. To our knowledge, this is the first preclinical study demonstrating the anti-cancer therapeutic potential of using a combination of selinexor and eribulin in vivo. Results from this study further warrant clinical testing a combination of chemotherapy agents with selinexor to reduce the morbidity and mortality from ULMS.https://doi.org/10.1186/s40164-023-00443-wLMSULMSXPO1SarcomaEribulinSelinexor
spellingShingle Sonam Mittal
Ishaque Pulikkal Kadamberi
Hua Chang
Feng Wang
Sudhir Kumar
Shirng-Wern Tsaih
Christopher J. Walker
Pradeep Chaluvally-Raghavan
John Charlson
Yosef Landesman
Sunila Pradeep
Preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma
Experimental Hematology & Oncology
LMS
ULMS
XPO1
Sarcoma
Eribulin
Selinexor
title Preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma
title_full Preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma
title_fullStr Preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma
title_full_unstemmed Preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma
title_short Preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma
title_sort preclinical activity of selinexor in combination with eribulin in uterine leiomyosarcoma
topic LMS
ULMS
XPO1
Sarcoma
Eribulin
Selinexor
url https://doi.org/10.1186/s40164-023-00443-w
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