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Thang M, Mellows C, Kass LE, Daglish S, Fennell EM, Mann BE, Mercer-Smith AR, Valdivia A, Graves LM, Hingtgen SD. Combining the constitutive TRAIL-secreting induced neural stem cell therapy with the novel anti-cancer drug TR-107 in glioblastoma. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200834. [PMID: 39045029 PMCID: PMC11263637 DOI: 10.1016/j.omton.2024.200834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/27/2024] [Accepted: 06/13/2024] [Indexed: 07/25/2024]
Abstract
Tumor-homing neural stem cell (NSC) therapy is emerging as a promising treatment for aggressive cancers of the brain. Despite their success, developing tumor-homing NSC therapy therapies that maintain durable tumor suppression remains a challenge. Herein, we report a synergistic combination regimen where the novel small molecule TR-107 augments NSC-tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) therapy (hiNeuroS-TRAIL) in models of the incurable brain cancer glioblastoma (GBM) in vitro. We report that the combination of hiNeuroS-TRAIL and TR-107 synergistically upregulated caspase markers and restored sensitivity to the intrinsic apoptotic pathway by significantly downregulating inhibitory pathways associated with chemoresistance and radioresistance in the TRAIL-resistant LN229 cell line. This combination also showed robust tumor suppression and enhanced survival of mice bearing human xenografts of both solid and invasive GBMs. These findings elucidate a novel combination regimen and suggest that the combination of these clinically relevant agents may represent a new therapeutic option with increased efficacy for patients with GBM.
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Affiliation(s)
- Morrent Thang
- Neuroscience Center, University of North Carolina—Chapel Hill School of Medicine, Chapel Hill, NC, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina—Chapel Hill School of Pharmacy, Chapel Hill, NC, USA
| | - Clara Mellows
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina—Chapel Hill School of Pharmacy, Chapel Hill, NC, USA
| | - Lauren E. Kass
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina—Chapel Hill School of Pharmacy, Chapel Hill, NC, USA
| | - Sabrina Daglish
- Department of Pharmacology, University of North Carolina—Chapel Hill School of Medicine, Chapel Hill, NC, USA
| | - Emily M.J. Fennell
- Department of Pharmacology, University of North Carolina—Chapel Hill School of Medicine, Chapel Hill, NC, USA
| | - Breanna E. Mann
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina—Chapel Hill School of Pharmacy, Chapel Hill, NC, USA
| | - Alison R. Mercer-Smith
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina—Chapel Hill School of Pharmacy, Chapel Hill, NC, USA
| | - Alain Valdivia
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina—Chapel Hill School of Pharmacy, Chapel Hill, NC, USA
| | - Lee M. Graves
- Department of Pharmacology, University of North Carolina—Chapel Hill School of Medicine, Chapel Hill, NC, USA
| | - Shawn D. Hingtgen
- Neuroscience Center, University of North Carolina—Chapel Hill School of Medicine, Chapel Hill, NC, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina—Chapel Hill School of Pharmacy, Chapel Hill, NC, USA
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Lu HJ, Koju N, Sheng R. Mammalian integrated stress responses in stressed organelles and their functions. Acta Pharmacol Sin 2024; 45:1095-1114. [PMID: 38267546 PMCID: PMC11130345 DOI: 10.1038/s41401-023-01225-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 12/30/2023] [Indexed: 01/26/2024] Open
Abstract
The integrated stress response (ISR) triggered in response to various cellular stress enables mammalian cells to effectively cope with diverse stressful conditions while maintaining their normal functions. Four kinases (PERK, PKR, GCN2, and HRI) of ISR regulate ISR signaling and intracellular protein translation via mediating the phosphorylation of eukaryotic translation initiation factor 2 α (eIF2α) at Ser51. Early ISR creates an opportunity for cells to repair themselves and restore homeostasis. This effect, however, is reversed in the late stages of ISR. Currently, some studies have shown the non-negligible impact of ISR on diseases such as ischemic diseases, cognitive impairment, metabolic syndrome, cancer, vanishing white matter, etc. Hence, artificial regulation of ISR and its signaling with ISR modulators becomes a promising therapeutic strategy for relieving disease symptoms and improving clinical outcomes. Here, we provide an overview of the essential mechanisms of ISR and describe the ISR-related pathways in organelles including mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes. Meanwhile, the regulatory effects of ISR modulators and their potential application in various diseases are also enumerated.
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Affiliation(s)
- Hao-Jun Lu
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China
| | - Nirmala Koju
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China
| | - Rui Sheng
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China.
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Burton E, Ozer BH, Boris L, Brown D, Theeler B. Imipridones and Dopamine Receptor Antagonism in the Therapeutic Management of Gliomas. ADVANCES IN ONCOLOGY 2024; 4:101-110. [PMID: 38868646 PMCID: PMC11165802 DOI: 10.1016/j.yao.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Affiliation(s)
- Eric Burton
- Neuro-oncology Branch, National Cancer Institute, Bethesda, MD
- NOB, Building 82, Room 221, 9030 Old Georgetown Road, Bethesda, MD 20892
| | - Byram H. Ozer
- Neuro-oncology Branch, National Cancer Institute, Bethesda, MD
- NOB, Building 82, Room 217, 9030 Old Georgetown Road, Bethesda, MD 20892
| | - Lisa Boris
- Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc. Frederick, USA
- NOB, Building 82, Room 203, 9030 Old Georgetown Road, Bethesda, MD 20892
| | - Desmond Brown
- Neurosurgical Oncology Unit, Surgical Neurology Branch, NINDS, Bethesda, MD
- SNB, Building 10-CRC, Room 3D20, 10 Center Drive, Bethesda, MD 20814
| | - Brett Theeler
- Department of Neurology, Uniform Services University of the Health Sciences, Bethesda, MD.Department of Neurology, USUHS, 4301 Jones Bridge Road, Bethesda, MD. 20814
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Paraghamian SE, Qiu J, Hawkins GM, Zhao Z, Sun W, Fan Y, Zhang X, Suo H, Hao T, Prabhu VV, Allen JE, Zhou C, Bae-Jump V. A novel dopamine receptor D2 antagonist (ONC206) potentiates the effects of olaparib in endometrial cancer. Cancer Biol Ther 2023; 24:2202104. [PMID: 37069726 PMCID: PMC10115124 DOI: 10.1080/15384047.2023.2202104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/10/2023] [Indexed: 04/19/2023] Open
Abstract
Poly ADP-ribose polymerase (PARP) inhibitors are effective therapies for cancer patients with homologous recombination (HR) deficient tumors. The imipridone ONC206 is an orally bioavailable dopamine receptor D2 antagonist and mitochondrial protease ClpP agonist that has anti-tumorigenic effects in endometrial cancer via induction of apoptosis, activation of the integrated stress response and modulation of PI3K/AKT signaling. Both PARP inhibitors and imipridones are being evaluated in endometrial cancer clinical trials but have yet to be explored in combination. In this manuscript, we evaluated the effects of the PARP inhibitor olaparib in combination with ONC206 in human endometrioid endometrial cancer cell lines and in a genetically engineered mouse model of endometrial cancer. Our results showed that simultaneous exposure of endometrial cancer cells to olaparib and ONC206 resulted in synergistic anti-proliferative effects and increased cellular stress and apoptosis in both cell lines, compared to either drug alone. The combination treatment also decreased expression of the anti-apoptotic protein Bcl-2 and reduced phosphorylation of AKT and S6, with greater effects compared to either drug alone. In the transgenic model of endometrial cancer, the combination of olaparib and ONC206 resulted in a more significant reduction in tumor weight in obese and lean mice compared to ONC206 alone or olaparib alone, together with a considerably decreased Ki-67 and enhanced H2AX expression in obese and lean mice. These results suggest that this novel dual therapy may be worthy of further exploration in clinical trials.
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Affiliation(s)
- Sarah E. Paraghamian
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Jianqing Qiu
- Department of Obstetrics and Gynecology, the Second Hospital of Shandong University, Jinan, China
| | - Gabrielle M. Hawkins
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Ziyi Zhao
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Wenchuan Sun
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Obstetrics and Gynecology, the Second Hospital of Shandong University, Jinan, China
| | - Yali Fan
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Xin Zhang
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Hongyan Suo
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Tianran Hao
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | | | | | - Chunxiao Zhou
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Victoria Bae-Jump
- Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Choi JS, Lee SH, Park HB, Chun C, Kim Y, Kim KH, Weon BM, Kim DH, Kim HJ, Lee JH. The deformation of cancer cells through narrow micropores holds the potential to regulate genes that impact cancer malignancy. LAB ON A CHIP 2023; 23:3628-3638. [PMID: 37448298 DOI: 10.1039/d3lc00069a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Surgery, radiation, hormonal therapy, chemotherapy, and immunotherapy are standard treatment strategies for metastatic breast cancer. However, the heterogeneous nature of the disease poses challenges and continues to make it life-threatening. It is crucial to elucidate further the underlying signaling pathways to improve treatment efficacy. Our study established two triple-negative breast cancer cell lines (TW-1 and TW-2) that were physically deformed using 3 μm pores to investigate the relationship between cancer cell deformation and metastasis within a heterogeneous population. The physical transformation of TW-1 and TW-2 cells significantly affected their growth and migration speed, as evidenced by wound healing assays for collective cell migration and microchannel assays for single-cell migration. We conducted bulk RNA sequencing to gain insights into the genes influenced by physical deformation. Additionally, we evaluated the effects of trametinib resistance on breast cancer cell metastasis by assessing cell viability and migration rates. Interestingly, TW-1 and TW-2 cells exhibited resistance to trametinib treatment. We observed a significant upregulation of GABRA-3, a protein commonly expressed in malignant breast cancer, and the critical transcription factor Myc in TW-1 and TW-2 cells compared to the control group (Ori). However, we did not observe a significant difference in Myc expression between TW-1 and TW-2 cells. In contrast, in the trametinib-resistant cell lines (TW-1-Tra and TW-2-Tra), we found increased expression of OCT4 and SOX2 rather than GABRA-3 or Myc. These findings highlight the differential expression patterns of these genes in our study, suggesting their potential role in cancer cell deformation and drug resistance. Our study presents a potential in vitro model for metastatic and drug-resistant breast cancer cells. By investigating the correlation between cancer cell deformation and metastasis, we contribute to understanding breast cancer heterogeneity and lay the groundwork for developing improved treatment strategies.
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Affiliation(s)
- Jong Seob Choi
- Department of Bioengineering, University of Washington, 850 Republican Street, Seattle, WA 98109, USA
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Baltimore, MD, 21205, USA
- Division of Advanced Materials Engineering, Kongju National University, Budaedong 275, Seobuk-gu, Cheonan-si, Chungnam, 31080, South Korea
| | - Su Han Lee
- Digital Health Care Research Center, Gumi Electronics and Information Technology Research Institute (GERI), 350-27, Gumidaero, Gumi, Gyeongbuk 39253, South Korea
| | - Hye Bin Park
- Digital Health Care Research Center, Gumi Electronics and Information Technology Research Institute (GERI), 350-27, Gumidaero, Gumi, Gyeongbuk 39253, South Korea
| | - Changho Chun
- Department of Bioengineering, University of Washington, 850 Republican Street, Seattle, WA 98109, USA
| | - Yeseul Kim
- Soft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, South Korea
| | - Kyung Hoon Kim
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA 98195, USA
| | - Byung Mook Weon
- Soft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, South Korea
| | - Deok-Ho Kim
- Department of Bioengineering, University of Washington, 850 Republican Street, Seattle, WA 98109, USA
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Baltimore, MD, 21205, USA
| | - Hyung Jin Kim
- Digital Health Care Research Center, Gumi Electronics and Information Technology Research Institute (GERI), 350-27, Gumidaero, Gumi, Gyeongbuk 39253, South Korea
| | - Jung Hyun Lee
- Division of Dermatology, Department of Medicine, University of Washington, 850 Republican Street, Seattle, WA 98109, USA.
- Institute for Stem Cell and Regenerative Medicine, University of Washington, 850 Republican Street, Seattle, WA 98109, USA
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Wedam R, Greer YE, Wisniewski DJ, Weltz S, Kundu M, Voeller D, Lipkowitz S. Targeting Mitochondria with ClpP Agonists as a Novel Therapeutic Opportunity in Breast Cancer. Cancers (Basel) 2023; 15:cancers15071936. [PMID: 37046596 PMCID: PMC10093243 DOI: 10.3390/cancers15071936] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Breast cancer is the most frequently diagnosed malignancy worldwide and the leading cause of cancer mortality in women. Despite the recent development of new therapeutics including targeted therapies and immunotherapy, triple-negative breast cancer remains an aggressive form of breast cancer, and thus improved treatments are needed. In recent decades, it has become increasingly clear that breast cancers harbor metabolic plasticity that is controlled by mitochondria. A myriad of studies provide evidence that mitochondria are essential to breast cancer progression. Mitochondria in breast cancers are widely reprogrammed to enhance energy production and biosynthesis of macromolecules required for tumor growth. In this review, we will discuss the current understanding of mitochondrial roles in breast cancers and elucidate why mitochondria are a rational therapeutic target. We will then outline the status of the use of mitochondria-targeting drugs in breast cancers, and highlight ClpP agonists as emerging mitochondria-targeting drugs with a unique mechanism of action. We also illustrate possible drug combination strategies and challenges in the future breast cancer clinic.
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Affiliation(s)
- Rohan Wedam
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yoshimi Endo Greer
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - David J Wisniewski
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sarah Weltz
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Manjari Kundu
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Donna Voeller
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Stanley Lipkowitz
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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Zhang J, Luo B, Sui J, Qiu Z, Huang J, Yang T, Luo Y. IMP075 targeting ClpP for colon cancer therapy in vivo and in vitro. Biochem Pharmacol 2022; 204:115232. [PMID: 36030831 DOI: 10.1016/j.bcp.2022.115232] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/15/2022]
Abstract
ONC201 is a well-known caseinolytic protease (ClpP)activator with established benefits against multiple tumors, including colorectal cancer (CRC). In this study, we investigated the anticancer effects and associated mechanisms of the ClpP agonist IMP075, derived from ONC201. Acute toxicity and CCK-8 assayswere employed to determine the safety of IMP075. The effectiveness of IMP075 was investigated in HCT116 cells and a mouse xenograft tumor model. Additionally, the properties of IMP075 were evaluated by pharmacokinetic,CYP inhibition, and hERG inhibition assays. Finally, isothermal titration calorimetry (ITC), differential scanning fluorimetry (DSF), cellular thermal shift assay (CETSA), molecular dynamics simulations, point mutations, and shRNA experiments were employed to elucidate the potential mechanism of IMP075. Compared with ONC201, IMP075 exhibited similar toxicity and improved antitumor effects in vitro and in vivo. Interestingly, the affinity and agonistic effects of IMP075 on ClpP were superior to ONC201, which allowed IMP075 to disrupt respiratory chain integrity at lower doses in HCT116 cells, leading to mitochondrial dysfunction. Furthermore, molecular dynamics simulations demonstrate that IMP075 forms two pairs of hydrogen bonds with ClpP, maintaining ClpP in an agonistic state. Importantly, the antiproliferative activity of IMP075 significantly decreased following ClpP knockdown. Our findings substantiate that IMP075 exerts excellent antitumor effects against CRC by activating ClpP-mediated impairment of mitochondrial function. Due to its superior properties, IMP075 appears to be have huge prospects for application.
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Affiliation(s)
- Jiangnan Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Baozhu Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jing Sui
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhiqiang Qiu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jiasheng Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Tao Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China; Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Youfu Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.
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