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Velasco‐Hernandez T, Trincado JL, Vinyoles M, Closa A, Martínez‐Moreno A, Gutiérrez‐Agüera F, Molina O, Rodríguez‐Cortez VC, Ximeno‐Parpal P, Fernández‐Fuentes N, Petazzi P, Beneyto‐Calabuig S, Velten L, Romecin P, Casquero R, Abollo‐Jiménez F, de la Guardia RD, Lorden P, Bataller A, Lapillonne H, Stam RW, Vives S, Torrebadell M, Fuster JL, Bueno C, Sarry J, Eyras E, Heyn H, Menéndez P. Integrative single-cell expression and functional studies unravels a sensitization to cytarabine-based chemotherapy through HIF pathway inhibition in AML leukemia stem cells. Hemasphere 2024; 8:e45. [PMID: 38435427 PMCID: PMC10895904 DOI: 10.1002/hem3.45] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 12/11/2023] [Accepted: 01/13/2024] [Indexed: 03/05/2024] Open
Abstract
Relapse remains a major challenge in the clinical management of acute myeloid leukemia (AML) and is driven by rare therapy-resistant leukemia stem cells (LSCs) that reside in specific bone marrow niches. Hypoxia signaling maintains cells in a quiescent and metabolically relaxed state, desensitizing them to chemotherapy. This suggests the hypothesis that hypoxia contributes to the chemoresistance of AML-LSCs and may represent a therapeutic target to sensitize AML-LSCs to chemotherapy. Here, we identify HIFhigh and HIFlow specific AML subgroups (inv(16)/t(8;21) and MLLr, respectively) and provide a comprehensive single-cell expression atlas of 119,000 AML cells and AML-LSCs in paired diagnostic-relapse samples from these molecular subgroups. The HIF/hypoxia pathway signature is attenuated in AML-LSCs compared with more differentiated AML cells but is more expressed than in healthy hematopoietic cells. Importantly, chemical inhibition of HIF cooperates with standard-of-care chemotherapy to impair AML growth and to substantially eliminate AML-LSCs in vitro and in vivo. These findings support the HIF pathway in the stem cell-driven drug resistance of AML and unravel avenues for combinatorial targeted and chemotherapy-based approaches to specifically eliminate AML-LSCs.
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Affiliation(s)
- Talia Velasco‐Hernandez
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
| | - Juan L. Trincado
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
| | - Meritxell Vinyoles
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
| | - Adria Closa
- The John Curtin School of Medical ResearchThe Australian National UniversityCanberraAustralian Capital TerritoryAustralia
- EMBL Australia Partner Laboratory Network at the Australian National UniversityCanberraAustralian Capital TerritoryAustralia
| | | | | | - Oscar Molina
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
| | - Virginia C. Rodríguez‐Cortez
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
| | | | | | - Paolo Petazzi
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
| | - Sergi Beneyto‐Calabuig
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
- Universitat Pompeu Fabra (UPF)BarcelonaSpain
| | - Lars Velten
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
- Universitat Pompeu Fabra (UPF)BarcelonaSpain
| | - Paola Romecin
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
| | | | | | - Rafael D. de la Guardia
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- GENYO, Center for Genomics and Oncological ResearchPfizer/Universidad de Granada/Junta de AndalucíaGranadaSpain
| | - Patricia Lorden
- CNAG‐CRG, Centre for Genomic Regulation (CRG)Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
| | - Alex Bataller
- Department of HematologyHospital Clínic de BarcelonaBarcelonaSpain
| | - Hélène Lapillonne
- Centre de Recherce Saint‐AntoineArmand‐Trousseau Childrens HospitalParisFrance
| | - Ronald W. Stam
- Princess Maxima Center for Pediatric OncologyUtrechtThe Netherlands
| | - Susana Vives
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Hematology DepartmentICO‐Hospital Germans Trias i PujolBarcelonaSpain
| | - Montserrat Torrebadell
- Hematology LaboratoryHospital Sant Joan de DéuBarcelonaSpain
- Leukemia and Other Pediatric Hemopathies. Developmental Tumors Biology Group. Institut de Recerca Hospital Sant Joan de DéuBarcelonaSpain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER) ISCIIIMadridSpain
| | - Jose L. Fuster
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
- Sección de Oncohematología PediátricaHospital Clínico Universitario Virgen de la Arrixaca and Instituto Murciano de Investigación Biosanitaria (IMIB)MurciaSpain
| | - Clara Bueno
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
- CIBER‐ONCBarcelonaSpain
| | - Jean‐Emmanuel Sarry
- Centre de Recherches en Cancérologie de ToulouseUniversité de ToulouseInserm U1037, CNRS U5077ToulouseFrance
- LabEx ToucanToulouseFrance
- Équipe Labellisée Ligue Nationale Contre le CancerToulouseFrance
| | - Eduardo Eyras
- The John Curtin School of Medical ResearchThe Australian National UniversityCanberraAustralian Capital TerritoryAustralia
- EMBL Australia Partner Laboratory Network at the Australian National UniversityCanberraAustralian Capital TerritoryAustralia
- Hospital del Mar Medical Research Institute (IMIM)BarcelonaSpain
- Institució Catalana de Recerca i Estudis Avançats (ICREA)BarcelonaSpain
| | - Holger Heyn
- CNAG‐CRG, Centre for Genomic Regulation (CRG)Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
| | - Pablo Menéndez
- Josep Carreras Leukemia Research InstituteBarcelonaSpain
- Red Española de Terapias Avanzadas (TERAV)‐Instituto de Salud Carlos III (ISCIII) (RICORS, RD21/0017/0029)MadridSpain
- CIBER‐ONCBarcelonaSpain
- Institució Catalana de Recerca i Estudis Avançats (ICREA)BarcelonaSpain
- Department of Biomedicine, School of MedicineUniversity of BarcelonaBarcelonaSpain
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Meriç N, Albayrak E, Gülbaş Z, Kocabaş F. MEIS inhibitors reduce the viability of primary leukemia cells and Stem cells by inducing apoptosis. Leuk Lymphoma 2024; 65:187-198. [PMID: 37902585 DOI: 10.1080/10428194.2023.2275532] [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: 07/30/2023] [Accepted: 10/22/2023] [Indexed: 10/31/2023]
Abstract
Leukemia stem cells (LSCs) exhibit self-renewal, resistance to standard treatments, and involvement in leukemia relapse. Higher Myeloid Ecotropic Integration Site-1 (MEIS1) expression in leukemic blast samples has been linked to resistance to conventional treatment. We studied the MEIS1 and associated factors in relapsed LSCs and assessed the effect of recently developed MEIS inhibitors (MEISi). Meis1 gene expression was found to be higher in patients with leukemia and relapsed samples. The majority of CD123+ and CD34+ LSCs demonstrated higher MEIS1/2/3 content. Depending on the patient chemotherapy regimen, Meis1 expression increased in relapsed samples. Although there are increased Meis2, Meis3, Hoxa9, Pbx1, or CD34 expressions in the relapsed patients, they are not correlated with Meis1 content in every patient or regimen. MEISi has reduced MEIS1 transcriptional activity and LSC cell survival by apoptosis. Pharmacological targeting with MEISi in LSCs could have a potential effect in limiting leukemia relapse and chemotherapeutic resistance.
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Affiliation(s)
- Neslihan Meriç
- Faculty of Engineering and Natural Sciences, Department of Molecular Biology and Genetics, Kütahya Health Sciences, University, Kütahya, Türkiye
| | - Esra Albayrak
- Center of Stem Cell Research and Application, 19 Mayıs University, Samsun, Türkiye
| | - Zafer Gülbaş
- Anadolu Medical Center Hospital, Bone Marrow Transplantation Unit, Kocaeli, Türkiye
| | - Fatih Kocabaş
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Türkiye
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3
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Zhao Y, Xing C, Deng Y, Ye C, Peng H. HIF-1α signaling: Essential roles in tumorigenesis and implications in targeted therapies. Genes Dis 2024; 11:234-251. [PMID: 37588219 PMCID: PMC10425810 DOI: 10.1016/j.gendis.2023.02.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 11/24/2022] [Accepted: 02/12/2023] [Indexed: 08/18/2023] Open
Abstract
The hypoxic microenvironment is an essential characteristic of most malignant tumors. Notably, hypoxia-inducible factor-1 alpha (HIF-1α) is a key regulatory factor of cellular adaptation to hypoxia, and many critical pathways are correlated with the biological activity of organisms via HIF-1α. In the intra-tumoral hypoxic environment, HIF-1α is highly expressed and contributes to the malignant progression of tumors, which in turn results in a poor prognosis in patients. Recently, it has been indicated that HIF-1α involves in various critical processes of life events and tumor development via regulating the expression of HIF-1α target genes, such as cell proliferation and apoptosis, angiogenesis, glucose metabolism, immune response, therapeutic resistance, etc. Apart from solid tumors, accumulating evidence has revealed that HIF-1α is also closely associated with the development and progression of hematological malignancies, such as leukemia, lymphoma, and multiple myeloma. Targeted inhibition of HIF-1α can facilitate an increased sensitivity of patients with malignancies to relevant therapeutic agents. In the review, we elaborated on the basic structure and biological functions of HIF-1α and summarized their current role in various malignancies. It is expected that they will have future potential for targeted therapy.
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Affiliation(s)
- Yan Zhao
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Cheng Xing
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yating Deng
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Can Ye
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Hongling Peng
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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4
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Dong L, Wang H, Miao Z, Yu Y, Gai D, Zhang G, Ge L, Shen X. Endoplasmic reticulum stress-related signature predicts prognosis and immune infiltration analysis in acute myeloid leukemia. Hematology 2023; 28:2246268. [PMID: 37589214 DOI: 10.1080/16078454.2023.2246268] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 08/02/2023] [Indexed: 08/18/2023] Open
Abstract
OBJECTIVES To construct an endoplasmic reticulum stress-related prognostic risk score (RS) model to predict prognosis and perform a preliminary analysis of immune infiltration in patients with acute myeloid leukemia (AML). METHODS The whole-genome expression data for AML and endoplasmic reticulum stress (ER stress)-related genes were downloaded from the GEO and GSEA databases, respectively. The samples were divided into death and survival groups, combined with clinical prognosis information. LASSO regression was used to construct a prognostic RS model. The Kaplan-Meier curve method was used to evaluate the association between different risk groups and actual survival prognosis information. A cox regression analysis was used to screen for independent survival prognostic clinical factors and construct a nomogram. CIBERSORT and ssGSEA was used for immune-related analysis. RESULTS Eighteen ER-stress related genes were identified and a comprehensive network was constructed. Further, 5 CC, 8 MF, 17 BP, and 2 KEGG pathways were enriched. Ten optimal DEGs were obtained and a prognostic risk model was constructed. Compared to the low RS group, the OS values of the high RS group were significantly lower. A significant correlation between the different risk groups and the actual prognosis was demonstrated. Ten immune cells with significantly different distributions in different risk groups were screened. KEGG enrichment analysis showed that there were 5 signaling pathways in the high-risk group. CONCLUSIONS The RS model can effectively predict the prognosis and has clinical implications for the prognosis of AML, combined with the correlation between different RS groups and the immune microenvironment.
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Affiliation(s)
- Lu Dong
- Shanxi Medical University, Taiyuan, People's Republic of China
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
| | - Haili Wang
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
| | - Zefeng Miao
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
| | - Yanhui Yu
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
| | - Dongzheng Gai
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
| | - Guoxiang Zhang
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
| | - Li Ge
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
| | - Xuliang Shen
- Shanxi Medical University, Taiyuan, People's Republic of China
- Heping Hospital Affiliated to Changzhi Medical College, Changzhi, People's Republic of China
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Pourcelot E, El Samra G, Mossuz P, Moulis JM. Molecular Insight into Iron Homeostasis of Acute Myeloid Leukemia Blasts. Int J Mol Sci 2023; 24:14307. [PMID: 37762610 PMCID: PMC10531764 DOI: 10.3390/ijms241814307] [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: 08/20/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Acute myeloid leukemia (AML) remains a disease of gloomy prognosis despite intense efforts to understand its molecular foundations and to find efficient treatments. In search of new characteristic features of AML blasts, we first examined experimental conditions supporting the amplification of hematological CD34+ progenitors ex vivo. Both AML blasts and healthy progenitors heavily depended on iron availability. However, even if known features, such as easier engagement in the cell cycle and amplification factor by healthy progenitors, were observed, multiplying progenitors in a fully defined medium is not readily obtained without modifying their cellular characteristics. As such, we measured selected molecular data including mRNA, proteins, and activities right after isolation. Leukemic blasts showed clear signs of metabolic and signaling shifts as already known, and we provide unprecedented data emphasizing disturbed cellular iron homeostasis in these blasts. The combined quantitative data relative to the latter pathway allowed us to stratify the studied patients in two sets with different iron status. This categorization is likely to impact the efficiency of several therapeutic strategies targeting cellular iron handling that may be applied to eradicate AML blasts.
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Affiliation(s)
- Emmanuel Pourcelot
- Laboratory of Fundamental and Applied Bioenergetics (LBFA), University Grenoble Alpes, INSERM U1055, 38000 Grenoble, France; (E.P.); (G.E.S.)
- Department of Biological Hematology, Institute of Biology and Pathology, Hospital of Grenoble Alpes (CHUGA), CS 20217, 38043 Grenoble, CEDEX a9, France;
| | - Ghina El Samra
- Laboratory of Fundamental and Applied Bioenergetics (LBFA), University Grenoble Alpes, INSERM U1055, 38000 Grenoble, France; (E.P.); (G.E.S.)
| | - Pascal Mossuz
- Department of Biological Hematology, Institute of Biology and Pathology, Hospital of Grenoble Alpes (CHUGA), CS 20217, 38043 Grenoble, CEDEX a9, France;
- Team “Epigenetic and Cellular Signaling”, Institute for Advanced Biosciences, University Grenoble Alpes (UGA), INSERM U1209/CNRS 5309, 38700 Grenoble, France
| | - Jean-Marc Moulis
- Laboratory of Fundamental and Applied Bioenergetics (LBFA), University Grenoble Alpes, INSERM U1055, 38000 Grenoble, France; (E.P.); (G.E.S.)
- University Grenoble Alpes, CEA, IRIG, 38000 Grenoble, France
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6
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Zhou H, Jiang Y, Huang Y, Zhong M, Qin D, Xie C, Pan G, Tan J, Deng M, Zhao H, Zhou Y, Tang Y, Lai Q, Fang Z, Luo Y, Jiang Y, Xu B, Zha J. Therapeutic inhibition of PPARα-HIF1α-PGK1 signaling targets leukemia stem and progenitor cells in acute myeloid leukemia. Cancer Lett 2023; 554:215997. [PMID: 36396101 DOI: 10.1016/j.canlet.2022.215997] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 11/01/2022] [Accepted: 11/01/2022] [Indexed: 11/16/2022]
Abstract
Treatment of acute myeloid leukemia (AML) with chemotherapeutic agents fails to eliminate leukemia stem cells (LSC),and thus patients remain at high risk for relapse. Therefore, the identification of agents that target LSC is an important consideration for the development of new therapies. Enhanced glycolysis in LSC contributes to the aggressiveness of AML, which is difficult to be targeted. In this study, we showed that targeting peroxisome-proliferator-activated receptor α (PPARα), a ligand-activated transcription factor by chiglitazar provided a promising therapeutic approach. We first identified that chiglitazar reduced cell viability and proliferation of the leukemia stem-like cells population in AML. Treatment with chiglitazar blocked the ubiquitination of PPARα and increased its expression, resulting in the inhibition of glucose metabolism and apoptosis of AML cells. Consistent with its anti-leukemia stem-like cells activity in vitro, chiglitazar treatment in vivo resulted in the significant killing of leukemia stem-like cells as demonstrated in AML patient-derived xenograft (PDX) models. Mechanistically, PPARα overexpression inhibited the expression and promoter activity of PGK1 through blocking HIF1-α interaction on the PGK1 promoter. Thus, we concluded that targeting PPARα may serve as a novel approach for enhancing stem and progenitor cells elimination in AML.
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Affiliation(s)
- Hui Zhou
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Yuelong Jiang
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Yuetin Huang
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Mengya Zhong
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Dongmei Qin
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Chendi Xie
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Guangchao Pan
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Jinshui Tan
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Manman Deng
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Haijun Zhao
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Yong Zhou
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Yuanfang Tang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Qian Lai
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Zhihong Fang
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Yiming Luo
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China
| | - Yirong Jiang
- Department of Hematology, Affiliated Dongguan People's Hospital, Southern Medical University (Dongguan People's Hospital), Dongguan, 523059, China.
| | - Bing Xu
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China.
| | - Jie Zha
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen, China; Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361003, China.
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7
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Guo W, Liang D, Wang P, Yin L, Zhang H, Xing C, Huang Z, Wu Y, Li H, Cheng Z, Xiao X, Liu J, Wang Z, Peng H. HIF-PH Encoded by EGLN1 Is a Potential Therapeutic Target for Chronic Lymphocytic Leukemia. Pharmaceuticals (Basel) 2022; 15:ph15060734. [PMID: 35745653 PMCID: PMC9229586 DOI: 10.3390/ph15060734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 05/28/2022] [Accepted: 06/08/2022] [Indexed: 01/27/2023] Open
Abstract
Owing to the recent emergence of drug resistance to Bruton's tyrosine kinase inhibitors (BTK) in chronic lymphocytic leukemia (CLL) treatment, it is crucial to identify alternative therapeutic targets. Therefore, we aimed to identify therapeutic options for CLL besides BTK. We identified that HIF1A expression was higher in CLL patients than in controls, which may suggest good prognosis. We used a lentiviral knockdown of EGLN1 (encoding hypoxia-inducible factor prolyl hydroxylase [HIF-PH]) and found that the growth of MEC-1 cells slowed in the knockdown group. Treatment of CLL cell lines MEC-1 and HG3 with the HIF-PH inhibitor molidustat showed that molidustat could induce apoptosis in a concentration-dependent manner in CLL cells and had low cytotoxicity at this concentration. CXCR4, HIF1A, SLC2AI, and VEGF, the downstream molecules of the HIF pathway, were upregulated after molidustat treatment. Western blotting results indicated that molidustat increased HIF1A expression in CLL cell lines and cells from CLL patients, and sequencing/quantitative PCR analysis demonstrated that the ribosome biogenesis pathway was inhibited in MEC-1 cells after molidustat treatment. We further identified synergistic cytotoxicity of molidustat in combination with ibrutinib on the MEC-1 and HG3 cell lines at certain concentrations. Therefore, molidustat is a potential therapeutic option for CLL.
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Affiliation(s)
- Wancheng Guo
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
- Xiangya School of Medicine, Central South University, Changsha 410013, China;
| | - Daomiao Liang
- The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha 410005, China;
| | - Peilong Wang
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
| | - Le Yin
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
| | - Huifang Zhang
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
| | - Cheng Xing
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
| | - Zineng Huang
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
| | - Yinghua Wu
- Xiangya School of Medicine, Central South University, Changsha 410013, China;
| | - Heng Li
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
| | - Zhao Cheng
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
| | - Xiaojuan Xiao
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
| | - Jing Liu
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
| | - Zhihua Wang
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
- Correspondence: (Z.W.); (H.P.); Tel.: +86-155-7588-6164 (Z.W.); +86-731-8529-5296 (H.P.)
| | - Hongling Peng
- Department of Hematology, The Second Xiangya Hospital, Molecular Biology Research Center, School of Life Sciences, Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha 410011, China; (W.G.); (P.W.); (L.Y.); (H.Z.); (C.X.); (Z.H.); (H.L.); (Z.C.); (X.X.); (J.L.)
- Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies, Changsha 410011, China
- Correspondence: (Z.W.); (H.P.); Tel.: +86-155-7588-6164 (Z.W.); +86-731-8529-5296 (H.P.)
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Combined Effects of 2-Methoxyestradiol (Hypoxia-Inducible Factor 1α Inhibitor) and Dasatinib (A Second-Generation Tyrosine Kinase Inhibitor) on Chronic Myelocytic Leukemia Cells. J Immunol Res 2022; 2022:6324326. [PMID: 35528614 PMCID: PMC9071866 DOI: 10.1155/2022/6324326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 11/17/2022] Open
Abstract
Chronic myelocytic leukemia (CML) is a frequently encountered type of leukemia in China. Hypoxia-inducible factor 1 (HIF-1) serves as one of the most important factors of oxygen balance transcription. The activation of this gene mostly marks a poor outlook for cancer patients. To clarify the therapeutic effect of inhibiting this gene on CML, the present study is aimed at exploring the treatment effects of 2-methoxyestradiol (2-ME2), dasatinib alone, and combined both on K-562 cells and the possible mechanism of 2-ME2 in treating the disorder. The levels of HIF-1α, vascular endothelial growth factor (VEGF), and glutamate synthase 1 (GLU1) genes in K-562 cells were affected dose-dependently after 2-ME2 administration. 2-ME2 induced cell apoptosis by downregulating antiapoptotic protein expressions of Bcl-xl and Bcl-2. The therapeutic effect of single 2-ME2 was superior to single dasatinib, and the effect of combined therapy of both drugs produced better effectiveness than either of the single drug. Once the concentration of 2-ME2 exceeded 0.5 μM, downregulated C-myc gene expression could exert roles in anti-CML cell proliferation and inducing apoptosis. Dasatinib might participate in the inhibition of the C-myc pathway during this process whereas its effect remained not clear. Taken together, abnormal high expression of HIF-1α exerted an essential role in CML occurrence and development. Inhibition of this gene could markedly increase cell apoptosis in a dose-dependent fashion. Moreover, 2-ME2 could induce cell apoptosis by downregulating the C-myc gene and exert an apoptotic effect by downregulating Bcl-xl and Bcl-2 which act as antiapoptotic proteins.
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Wang SSY. Relationship between leukaemic stem cells and hematopoietic stem cells and their clinical application. Leuk Lymphoma 2022; 63:1524-1533. [PMID: 35067128 DOI: 10.1080/10428194.2022.2027401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The world is aging and with it an associated increase in malignancies. Haematological malignancies especially Acute Myeloid Leukemia (AML) are no exception to this trend. With scientific advances, development of new AML treatments has improved patient mortality. One future research interest would be Leukeamic Stem Cells (LSC). This review aims to briefly highlight main LSC characteristics and their relationship with hematopoietic stem cells. Key LSC characteristics include dysregulated apoptosis, capacity for self-renewal, genomic instability, dysregulated energetics, immune privilege and an altered tumor microenvironment. Similar characteristics are also found in HSCs though in a regulated form. Classifying these characteristics will aid in the development of clinical biomarkers for LSC which is a potential clinical application of LSC biology. LSC biomarkers might prove to be critical in future AML management through improving accuracy of AML diagnosis, providing targeted treatment to minimize side effects, refinement of prognosis and relapse risk for earlier intervention.
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Affiliation(s)
- Samuel S Y Wang
- Department of Haematology, Tan Tock Seng Hospital, Singapore, Singapore
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10
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Féral K, Jaud M, Philippe C, Di Bella D, Pyronnet S, Rouault-Pierre K, Mazzolini L, Touriol C. ER Stress and Unfolded Protein Response in Leukemia: Friend, Foe, or Both? Biomolecules 2021; 11:biom11020199. [PMID: 33573353 PMCID: PMC7911881 DOI: 10.3390/biom11020199] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/19/2021] [Accepted: 01/25/2021] [Indexed: 12/15/2022] Open
Abstract
The unfolded protein response (UPR) is an evolutionarily conserved adaptive signaling pathway triggered by a stress of the endoplasmic reticulum (ER) lumen compartment, which is initiated by the accumulation of unfolded proteins. This response, mediated by three sensors-Inositol Requiring Enzyme 1 (IRE1), Activating Transcription Factor 6 (ATF6), and Protein Kinase RNA-Like Endoplasmic Reticulum Kinase (PERK)—allows restoring protein homeostasis and maintaining cell survival. UPR represents a major cytoprotective signaling network for cancer cells, which frequently experience disturbed proteostasis owing to their rapid proliferation in an usually unfavorable microenvironment. Increased basal UPR also participates in the resistance of tumor cells against chemotherapy. UPR activation also occurs during hematopoiesis, and growing evidence supports the critical cytoprotective role played by ER stress in the emergence and proliferation of leukemic cells. In case of severe or prolonged stress, pro-survival UPR may however evolve into a cell death program called terminal UPR. Interestingly, a large number of studies have revealed that the induction of proapoptotic UPR can also strongly contribute to the sensitization of leukemic cells to chemotherapy. Here, we review the current knowledge on the consequences of the deregulation of UPR signaling in leukemias and their implications for the treatment of these diseases.
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Affiliation(s)
- Kelly Féral
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
| | - Manon Jaud
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
| | - Céline Philippe
- Barts Cancer Institute, Queen Mary University of London, London E1 4NS, UK; (C.P.); (D.D.B.); (K.R.-P.)
| | - Doriana Di Bella
- Barts Cancer Institute, Queen Mary University of London, London E1 4NS, UK; (C.P.); (D.D.B.); (K.R.-P.)
| | - Stéphane Pyronnet
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
| | - Kevin Rouault-Pierre
- Barts Cancer Institute, Queen Mary University of London, London E1 4NS, UK; (C.P.); (D.D.B.); (K.R.-P.)
| | - Laurent Mazzolini
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- CNRS ERL5294, CRCT, F-31037 Toulouse, France
- Correspondence: (L.M.); (C.T.)
| | - Christian Touriol
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
- Correspondence: (L.M.); (C.T.)
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11
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Fernandes MT, Calado SM, Mendes-Silva L, Bragança J. CITED2 and the modulation of the hypoxic response in cancer. World J Clin Oncol 2020; 11:260-274. [PMID: 32728529 PMCID: PMC7360518 DOI: 10.5306/wjco.v11.i5.260] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/13/2020] [Accepted: 05/13/2020] [Indexed: 02/06/2023] Open
Abstract
CITED2 (CBP/p300-interacting transactivator with Glu/Asp-rich C-terminal domain, 2) is a ubiquitously expressed protein exhibiting a high affinity for the CH1 domain of the transcriptional co-activators CBP/p300, for which it competes with hypoxia-inducible factors (HIFs). CITED2 is particularly efficient in the inhibition of HIF-1α-dependent transcription in different contexts, ranging from organ development and metabolic homeostasis to tissue regeneration and immunity, being also potentially involved in various other physiological processes. In addition, CITED2 plays an important role in inhibiting HIF in some diseases, including kidney and heart diseases and type 2-diabetes. In the particular case of cancer, CITED2 either functions by promoting or suppressing cancer development depending on the context and type of tumors. For instance, CITED2 overexpression promotes breast and prostate cancers, as well as acute myeloid leukemia, while its expression is downregulated to sustain colorectal cancer and hepatocellular carcinoma. In addition, the role of CITED2 in the maintenance of cancer stem cells reveals its potential as a target in non-small cell lung carcinoma and acute myeloid leukemia, for example. But besides the wide body of evidence linking both CITED2 and HIF signaling to carcinogenesis, little data is available regarding CITED2 role as a negative regulator of HIF-1α specifically in cancer. Therefore, comprehensive studies exploring further the interactions of these two important mediators in cancer-specific models are sorely needed and this can potentially lead to the development of novel targeted therapies.
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Affiliation(s)
- Mónica T Fernandes
- School of Health, Universidade do Algarve, Campus of Gambelas, Faro 8005-139, Portugal
- Centre for Biomedical Research, Universidade do Algarve, Campus of Gambelas, Faro 8005-139, Portugal
- Algarve Biomedical Centre, Faro 8005-139, Portugal
| | - Sofia M Calado
- Centre for Biomedical Research, Universidade do Algarve, Campus of Gambelas, Faro 8005-139, Portugal
- Algarve Biomedical Centre, Faro 8005-139, Portugal
| | - Leonardo Mendes-Silva
- Centre for Biomedical Research, Universidade do Algarve, Campus of Gambelas, Faro 8005-139, Portugal
- Algarve Biomedical Centre, Faro 8005-139, Portugal
- Department of Biomedical Sciences and Medicine, Universidade do Algarve, Campus of Gambelas, Faro 8005-139, Portugal
| | - José Bragança
- Centre for Biomedical Research, Universidade do Algarve, Campus of Gambelas, Faro 8005-139, Portugal
- Algarve Biomedical Centre, Faro 8005-139, Portugal
- Department of Biomedical Sciences and Medicine, Universidade do Algarve, Campus of Gambelas, Faro 8005-139, Portugal
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Pharmacological targeting of immune checkpoint A2aR improves function of anti-CD19 CAR T cells in vitro. Immunol Lett 2020; 223:44-52. [PMID: 32289340 DOI: 10.1016/j.imlet.2020.04.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/04/2020] [Accepted: 04/05/2020] [Indexed: 12/18/2022]
Abstract
In spite of impressive results in the treatment of acute lymphoblastic B cell leukemia (B-ALL) with chimeric antigen receptor (CAR) T cells, the clinical outcome of some hematological cancers like follicular lymphoma (FL) and chronic lymphocytic leukemia (CLL) has not been very promising likely due to immunosuppressive networks within tumor microenvironment. Hypoxia in the microenvironment of hematological malignancies and consequently generation of adenosine molecule is appeared to be correlated with immunosuppression, tumor progression, and relapse. Herein, we hypothesized that whether pharmacological targeting of adenosine 2a receptor (A2aR) can enhance antitumor activity of anti-CD19 CAR T cells in vitro. Prior to functional assays, A2aR expression was assessed in CAR-expressing T cells. Our results showed that A2aR was not only up-regulated in the fully human anti-CD19 CAR T cells (hereafter referred to as huCAR19 T cells) but also was further overexpressed following re-stimulation with target cells. Although pharmacological inhibition of A2aR could significantly increase proliferation capacity and cytokine production of huCAR19 T cells following treatment with an adenosine analog, cytotoxic activity of huCAR19 T cells was not significantly improved. Considering A2aR overexpression in huCAR19 T cells in the tumor microenvironment, our results indicated that pharmacological targeting of A2aR could not only improve huCAR19 T cells functionality in a hostile tumor microenvironment but also could have a therapeutic advantage, and sought to assess the possibility in a pre-clinical setting.
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Wierenga ATJ, Cunningham A, Erdem A, Lopera NV, Brouwers-Vos AZ, Pruis M, Mulder AB, Günther UL, Martens JHA, Vellenga E, Schuringa JJ. HIF1/2-exerted control over glycolytic gene expression is not functionally relevant for glycolysis in human leukemic stem/progenitor cells. Cancer Metab 2019; 7:11. [PMID: 31890203 PMCID: PMC6935105 DOI: 10.1186/s40170-019-0206-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 12/09/2019] [Indexed: 12/18/2022] Open
Abstract
Background Hypoxia-inducible factors (HIF)1 and 2 are transcription factors that regulate the homeostatic response to low oxygen conditions. Since data related to the importance of HIF1 and 2 in hematopoietic stem and progenitors is conflicting, we investigated the chromatin binding profiles of HIF1 and HIF2 and linked that to transcriptional networks and the cellular metabolic state. Methods Genome-wide ChIPseq and ChIP-PCR experiments were performed to identify HIF1 and HIF2 binding sites in human acute myeloid leukemia (AML) cells and healthy CD34+ hematopoietic stem/progenitor cells. Transcriptome studies were performed to identify gene expression changes induced by hypoxia or by overexpression of oxygen-insensitive HIF1 and HIF2 mutants. Metabolism studies were performed by 1D-NMR, and glucose consumption and lactate production levels were determined by spectrophotometric enzyme assays. CRISPR-CAS9-mediated HIF1, HIF2, and ARNT-/- lines were generated to study the functional consequences upon loss of HIF signaling, in vitro and in vivo upon transplantation of knockout lines in xenograft mice. Results Genome-wide ChIP-seq and transcriptome studies revealed that overlapping HIF1- and HIF2-controlled loci were highly enriched for various processes including metabolism, particularly glucose metabolism, but also for chromatin organization, cellular response to stress and G protein-coupled receptor signaling. ChIP-qPCR validation studies confirmed that glycolysis-related genes but not genes related to the TCA cycle or glutaminolysis were controlled by both HIF1 and HIF2 in leukemic cell lines and primary AMLs, while in healthy human CD34+ cells these loci were predominantly controlled by HIF1 and not HIF2. However, and in contrast to our initial hypotheses, CRISPR/Cas9-mediated knockout of HIF signaling did not affect growth, internal metabolite concentrations, glucose consumption or lactate production under hypoxia, not even in vivo upon transplantation of knockout cells into xenograft mice. Conclusion These data indicate that, while HIFs exert control over glycolysis but not OxPHOS gene expression in human leukemic cells, this is not critically important for their metabolic state. In contrast, inhibition of BCR-ABL did impact on glucose consumption and lactate production regardless of the presence of HIFs. These data indicate that oncogene-mediated control over glycolysis can occur independently of hypoxic signaling modules.
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Affiliation(s)
- Albertus T J Wierenga
- Department of Experimental Hematology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700RB The Netherlands.,Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9700RB Groningen, The Netherlands
| | - Alan Cunningham
- Department of Experimental Hematology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700RB The Netherlands
| | - Ayşegül Erdem
- Department of Experimental Hematology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700RB The Netherlands
| | | | - Annet Z Brouwers-Vos
- Department of Experimental Hematology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700RB The Netherlands
| | - Maurien Pruis
- Department of Experimental Hematology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700RB The Netherlands
| | - André B Mulder
- Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9700RB Groningen, The Netherlands
| | - Ulrich L Günther
- 3Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Joost H A Martens
- 4Department of Molecular Biology, Radboud Institute for Molecular Life Sciences (RIMLS), Nijmegen, The Netherlands
| | - Edo Vellenga
- Department of Experimental Hematology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700RB The Netherlands
| | - Jan Jacob Schuringa
- Department of Experimental Hematology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700RB The Netherlands
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Contribution and prognostic value of TSGA10 gene expression in patients with acute myeloid leukemia (AML). Pathol Res Pract 2019; 215:506-511. [PMID: 30638859 DOI: 10.1016/j.prp.2019.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 12/15/2018] [Accepted: 01/05/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Different studies have investigated TSGA10 expression in various cancerous tissues but, so far no study has been conducted on newly diagnosed (ND) AML patients. The association of TSGA10 gene expression with hypoxia inducible factor (HIF) and angiogenic factors has remained to be fully elucidated and is still a controversial issue. The present study was designed to investigate this association in patients newly diagnosed with AML. METHODS We evaluated TSGA10, HIF-1α and VEGF mRNA levels in ND AML patients and healthy subjects using real-time PCR technique. Data were analyzed via comparative Livak method. RESULTS Based on the results of this study, TSGA10 gene expression was decreased in 28 out of 30 (93.3%) samples while VEGF and HIF-1α expression levels were increased in all ND AML patients compared to healthy controls. Diagnostic evaluation was performed by receiver operating characteristic (ROC) curve and area under the curve (AUC) calculation. Respectively, using cut-off relative quantification of 1.604, 0.0329, and 0.0042, the sensitivity values of TSGA10, VEGF, and HIF-1α gene expression were 86.7%, 90%, and 100%. Also, specificity values were 100%, 100% and 100%, respectively. TSGA10 expression was shown to be reduced in ND AML patients compared with healthy subjects and we found a negative correlation between TSGA10 and VEGF expression. CONCLUSIONS Since TSGA10 interacts with HIF-1 and affects its transcriptional activity, in ND AML patients with decreased TSGA10 expression, VEGF expression was high suggesting a TSGA10 mediated regulation of HIF-1 target genes. Altogether, the current study showed that TSGA10 could be considered as a tumor suppressor in AML patients.
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Bai C, Liu X, Qiu C, Zheng J. FoxM1 is regulated by both HIF-1α and HIF-2α and contributes to gastrointestinal stromal tumor progression. Gastric Cancer 2019; 22:91-103. [PMID: 29948390 DOI: 10.1007/s10120-018-0846-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 06/04/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND FoxM1 plays important regulatory roles in a variety of diseases. However, the functional role of FoxM1 and mechanisms responsible for its expression in gastrointestinal stromal tumor (GIST) is not thoroughly understood. METHODS FoxM1 protein expression and biological function were examined in human GIST tissues and cells using immunohistochemistry, quantitative real-time PCR, western blot, CCK-8, wound-healing- and Matrigel invasion assays, respectively. The role of hypoxia-inducible factor (HIF) signaling in FoxM1 expression was investigated using chromatin immunoprecipitation and luciferase reporter and in vivo tumor growth assays. RESULTS FoxM1 was highly expressed in highly proliferative and migratory/invasive GIST specimens. Upregulation of FoxM1 was positively correlated with the expression of HIF-1α and HIF-2α in GIST specimens, and hypoxia-induced FoxM1 expression in GIST cells. Functionally, ectopic expression of FoxM1 significantly promoted GIST cell proliferation, cell cycle progression, migration and invasion, whereas the knockdown of endogenous FoxM1 of hypoxic GIST cells had the opposite effects. Molecularly, FoxM1 was transcriptionally regulated by HIF-2α under normoxia, whereas it was upregulated by both HIF-1α and HIF-2α under hypoxia. The xenograft tumor data further confirmed the regulated effect of HIF-1α and HIF-2α on FoxM1, and demonstrated that the simultaneous downregulation of both HIF-1α and HIF-2α inhibited GIST tumor growth. CONCLUSIONS Our data demonstrated the critical role of FoxM1 in promoting GIST progression and uncovered a novel HIF-1α/HIF-2α-FoxM1 axis. These findings identify FoxM1 as a possible new molecular target for designing novel therapeutic treatments to control GIST progression.
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Affiliation(s)
- Chenguang Bai
- Department of Pathology, Changhai Hospital, Second Military Medical University, 168, Changhai Rd., Shanghai, 200433, China
| | - Xiaohong Liu
- Department of Pathology, Changhai Hospital, Second Military Medical University, 168, Changhai Rd., Shanghai, 200433, China
| | - Cen Qiu
- Department of Pathology, Changhai Hospital, Second Military Medical University, 168, Changhai Rd., Shanghai, 200433, China
| | - Jianming Zheng
- Department of Pathology, Changhai Hospital, Second Military Medical University, 168, Changhai Rd., Shanghai, 200433, China.
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Abstract
INTRODUCTION Hypoxia-inducible transcription factors have been identified as regulators of adaptive responses to hypoxia. Over the past 20 years, more than 8000 papers have described their increasingly complex role and regulation in cancer. Presently, it is recognized that hypoxia-inducible factors (HIFs) are regulated by oxygen-dependent and oxygen-independent mechanisms in cancer development; the list of their targets has increased to include more than 500 genes involved in most hallmarks of cancer. Areas covered: Most literature describes the function of HIF factors in solid tumors; however, in the past 10 years, evidence has steadily accumulated to indicate that HIFs are implicated in hematological malignancies. This review summarizes our current understanding of the function and regulation of HIF factors in hematopoiesis and leukemia. Moreover, we provide an update on pharmacological inhibitors of this pathway that have shown promising therapeutic effects in clinical trials or leukemia pre-clinical models. Expert opinion: The inhibition of the function of HIF factors may provide an interesting approach for treating leukemia. We posit that before moving into the clinic, we should (i) fully characterize the outcome of HIF inhibition in specific leukemia contexts (ii) test the possibility of combining HIF-targeting strategies with cytotoxic compounds and (iii) consider patient selection to increase therapeutic efficacy.
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Affiliation(s)
- Daniela Magliulo
- a Vita-Salute San Raffaele University , Milan , Italy.,b Preclinical Models of Cancer Laboratory, Division of Experimental Oncology , San Raffaele Scientific Institute , Milan , Italy
| | - Rosa Bernardi
- b Preclinical Models of Cancer Laboratory, Division of Experimental Oncology , San Raffaele Scientific Institute , Milan , Italy
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Ng KP, Manjeri A, Lee LM, Chan ZE, Tan CY, Tan QD, Majeed A, Lee KL, Chuah C, Suda T, Ong ST. The arginase inhibitor Nω-hydroxy-nor-arginine (nor-NOHA) induces apoptosis in leukemic cells specifically under hypoxic conditions but CRISPR/Cas9 excludes arginase 2 (ARG2) as the functional target. PLoS One 2018; 13:e0205254. [PMID: 30307989 PMCID: PMC6181325 DOI: 10.1371/journal.pone.0205254] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 09/23/2018] [Indexed: 01/10/2023] Open
Abstract
Cancer cells, including in chronic myeloid leukemia (CML), depend on the hypoxic response to persist in hosts and evade therapy. Accordingly, there is significant interest in drugging cancer-specific hypoxic responses. However, a major challenge in leukemia is identifying differential and druggable hypoxic responses between leukemic and normal cells. Previously, we found that arginase 2 (ARG2), an enzyme of the urea cycle, is overexpressed in CML but not normal progenitors. ARG2 is a target of the hypoxia inducible factors (HIF1−α and HIF2−α), and is required for the generation of polyamines which are required for cell growth. We therefore explored if the clinically-tested arginase inhibitor Nω−hydroxy−nor−arginine (nor−NOHA) would be effective against leukemic cells under hypoxic conditions. Remarkably, nor−NOHA effectively induced apoptosis in ARG2-expressing cells under hypoxia but not normoxia. Co-treatment with nor−NOHA overcame hypoxia-mediated resistance towards BCR−ABL1 kinase inhibitors. While nor−NOHA itself is promising in targeting the leukemia hypoxic response, we unexpectedly found that its anti-leukemic activity was independent of ARG2 inhibition. Genetic ablation of ARG2 using CRISPR/Cas9 had no effect on the viability of leukemic cells and their sensitivity towards nor−NOHA. This discrepancy was further evidenced by the distinct effects of ARG2 knockouts and nor−NOHA on cellular respiration. In conclusion, we show that nor−NOHA has significant but off-target anti-leukemic activity among ARG2-expressing hypoxic cells. Since nor−NOHA has been employed in clinical trials, and is widely used in studies on endothelial dysfunction, immunosuppression and metabolism, the diverse biological effects of nor−NOHA must be cautiously evaluated before attributing its activity to ARG inhibition.
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Affiliation(s)
- King Pan Ng
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore
| | - Aditi Manjeri
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore
| | - Lin Ming Lee
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore
| | - Zhu En Chan
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore
| | - Chin Yee Tan
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore
| | - Qiancheng Darren Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - A'Qilah Majeed
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Kian Leong Lee
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore.,Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Charles Chuah
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore.,Department of Haematology, Singapore General Hospital, Singapore, Singapore
| | - Toshio Suda
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.,International Research Center for Medical Sciences, Kumamoto University, Japan
| | - S Tiong Ong
- Cancer and Stem Cell Biology Signature Research Program, Duke-NUS Medical School, Singapore, Singapore.,Department of Haematology, Singapore General Hospital, Singapore, Singapore.,Department of Medical Oncology, National Cancer Centre, Singapore, Singapore.,Department of Medicine, Duke University Medical Center, Durham, NC, United States of America
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18
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Migliavacca J, Percio S, Valsecchi R, Ferrero E, Spinelli A, Ponzoni M, Tresoldi C, Pattini L, Bernardi R, Coltella N. Hypoxia inducible factor-1α regulates a pro-invasive phenotype in acute monocytic leukemia. Oncotarget 2018; 7:53540-53557. [PMID: 27447550 PMCID: PMC5288204 DOI: 10.18632/oncotarget.10660] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 07/07/2016] [Indexed: 02/02/2023] Open
Abstract
Hypoxia inducible transcription factors (HIFs) are the main regulators of adaptive responses to hypoxia and are often activated in solid tumors, but their role in leukemia is less clear. In acute myeloid leukemia (AML), in particular, controversial new findings indicate that HIF-1α can act either as an oncogene or a tumor suppressor gene, and this may depend on the stage of leukemia development and/or the AML sub-type. In this study, we find that HIF-1α promotes leukemia progression in the acute monocytic leukemia sub-type of AML through activation of an invasive phenotype. By applying a list of validated HIF-1α-target genes to different AML sub-types, we identified a HIF-1α signature that typifies acute monocytic leukemia when compared with all other AML sub-types. We validated expression of this signature in cell lines and primary cells from AML patients. Interestingly, this signature is enriched for genes that control cell motility at different levels. As a consequence, inhibiting HIF-1α impaired leukemia cell migration, chemotaxis, invasion and transendothelial migration in vitro, and this resulted in impaired bone marrow homing and leukemia progression in vivo. Our data suggest that in acute monocytic leukemia an active HIF-1α-dependent pro-invasive pathway mediates the ability of leukemic cells to migrate and invade extramedullary sites and may be targeted to reduce leukemia dissemination.
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Affiliation(s)
- Jessica Migliavacca
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Vita-Salute San Raffaele University School of Medicine, Milan, Italy
| | - Stefano Percio
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, Italy
| | - Roberta Valsecchi
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Elisabetta Ferrero
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Antonello Spinelli
- Experimental Imaging Center, Preclinical Imaging Facility, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Maurilio Ponzoni
- Vita-Salute San Raffaele University School of Medicine, Milan, Italy.,Pathology Unit, IRCCS, San Raffaele Scientific Institute, Milan, Italy
| | - Cristina Tresoldi
- Unit of Hematology and Bone Marrow Transplantation, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Linda Pattini
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, Italy
| | - Rosa Bernardi
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Nadia Coltella
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
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19
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Pistollato F, Calderón Iglesias R, Ruiz R, Aparicio S, Crespo J, Dzul Lopez L, Giampieri F, Battino M. The use of natural compounds for the targeting and chemoprevention of ovarian cancer. Cancer Lett 2017; 411:191-200. [PMID: 29017913 DOI: 10.1016/j.canlet.2017.09.050] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 09/25/2017] [Accepted: 09/25/2017] [Indexed: 12/21/2022]
Abstract
Among gynaecological cancers, ovarian cancer represents the leading cause of death in women. Current treatment for ovarian cancer entails surgery followed by combined chemotherapy with platinum and taxane, which are associated, particularly cisplatin, with severe side effects. While this treatment approach appears to be initially effective in a high number of patients, nearly 70% of them suffer a relapse within a few months after initial treatment. Therefore, more effective and better-tolerated treatment options are clearly needed. In recent years, several natural compounds (such as curcumin, epigallocatechin 3-gallate (EGCG), resveratrol, sulforaphane and Withaferin-A), characterized by long-term safety and negligible and/or inexistent side effects, have been proposed as possible adjuvants of traditional chemotherapy. Indeed, several in vitro and in vivo studies have shown that phytocompounds can effectively inhibit tumor cell proliferation, stimulate autophagy, induce apoptosis, and specifically target ovarian cancer stem cells (CSCs), which are generally considered to be responsible for tumor recurrence in several types of cancer. Here we review current literature on the role of natural products in ovarian cancer chemoprevention, highlighting their effects particularly on the regulation of inflammation, autophagy, proliferation and apoptosis, chemotherapy resistance, and ovarian CSC growth.
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Affiliation(s)
- Francesca Pistollato
- Centre for Nutrition and Health, Universidad Europea Del Atlántico (UEA), Santander, Spain
| | | | - Roberto Ruiz
- Centre for Nutrition and Health, Universidad Europea Del Atlántico (UEA), Santander, Spain
| | - Silvia Aparicio
- Centre for Nutrition and Health, Universidad Europea Del Atlántico (UEA), Santander, Spain
| | - Jorge Crespo
- Centre for Nutrition and Health, Universidad Europea Del Atlántico (UEA), Santander, Spain
| | - Luis Dzul Lopez
- Universidad Internacional Iberoamericana (UNINI), Campeche, Mexico
| | - Francesca Giampieri
- Dipartimento di Scienze Cliniche Specialistiche Ed Odontostomatologiche, Sez. Biochimica, Università Politecnica Delle Marche, Ancona, Italy.
| | - Maurizio Battino
- Centre for Nutrition and Health, Universidad Europea Del Atlántico (UEA), Santander, Spain; Dipartimento di Scienze Cliniche Specialistiche Ed Odontostomatologiche, Sez. Biochimica, Università Politecnica Delle Marche, Ancona, Italy.
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20
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Ding Y, Gao H, Zhang Q. The biomarkers of leukemia stem cells in acute myeloid leukemia. Stem Cell Investig 2017; 4:19. [PMID: 28447034 DOI: 10.21037/sci.2017.02.10] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 02/22/2017] [Indexed: 12/16/2022]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease characterized by morphology and chromosome aberrations with high mortality. Leukemia stem cells (LSCs) in AML played important roles in leukemia initiation, progression, and were considered to be the root of chemotherapeutic drug resistance and disease relapse. The identification and targeting LSCs depended on membrane markers like CD34, CD38, CD123, TIM3, CD25, CD32 and CD96. In addition, the transcription factors were also therapeutic targets in eradicating LSCs, such as histone deacetylases (HDACs), NF-κB, HIF-1α and β-catenin. Besides membrane markers and transcription factors, intracellular reactive oxygen species (ROS), telomerase and microRNAs were identified to be new targets for ablating LSCs in AML.
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Affiliation(s)
- Yahui Ding
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin 300353, China
| | - Huier Gao
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Hospital of Blood Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Quan Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin 300353, China
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