1
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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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2
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Schito L, Rey-Keim S. Hypoxia signaling and metastatic progression. Semin Cancer Biol 2023; 97:42-49. [PMID: 37926346 DOI: 10.1016/j.semcancer.2023.11.001] [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: 08/27/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023]
Abstract
Disruption of oxygen homeostasis, resulting from an imbalance between O2 supply and demand during malignant proliferation, leads to the development of hypoxic tumor microenvironments that promote the acquisition of aggressive cancer cell phenotypes linked to metastasis and patient mortality. In this review, the mechanistic links between tumor hypoxia and metastatic progression are presented. Current status and perspectives of targeting hypoxia signaling pathways as a strategy to halt cancer cell metastatic activities are emphasized.
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Affiliation(s)
- Luana Schito
- UCD School of Medicine, Belfield, Dublin D04 C7X2, Ireland; UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin D04 C7X2, Ireland.
| | - Sergio Rey-Keim
- UCD School of Medicine, Belfield, Dublin D04 C7X2, Ireland; UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin D04 C7X2, Ireland.
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3
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Regulates CD9 Expression and Dissemination of B Lymphoblasts. Leuk Res 2022; 123:106964. [DOI: 10.1016/j.leukres.2022.106964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 09/21/2022] [Accepted: 09/26/2022] [Indexed: 11/21/2022]
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4
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Magliulo D, Bernardi R. Hypoxic stress and hypoxia-inducible factors in leukemias. Front Oncol 2022; 12:973978. [PMID: 36059690 PMCID: PMC9435438 DOI: 10.3389/fonc.2022.973978] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022] Open
Abstract
To cope with hypoxic stress, ancient organisms have developed evolutionally conserved programs centered on hypoxia-inducible transcriptional factors (HIFs). HIFs and their regulatory proteins have evolved as rheostats to adapt cellular metabolism to atmospheric oxygen fluctuations, but the amplitude of their transcriptional programs has tremendously increased along evolution to include a wide spectrum of physiological and pathological processes. The bone marrow represents a notable example of an organ that is physiologically exposed to low oxygen levels and where basal activation of hypoxia signaling appears to be intrinsically wired within normal and neoplastic hematopoietic cells. HIF-mediated responses are mainly piloted by the oxygen-labile α subunits HIF1α and HIF2α, and current literature suggests that these genes have a functional specification that remains to be fully defined. Since their identification in the mid 90s, HIF factors have been extensively studied in solid tumors, while their implication in leukemia has lagged behind. In the last decades however, many laboratories have addressed the function of hypoxia signaling in leukemia and obtained somewhat contradictory results. Suppression of HIFs expression in different types of leukemia has unveiled common leukemia-promoting functions such as stimulation of bone marrow neoangiogenesis, maintenance of leukemia stem cells and chemoresistance. However, genetic studies are revealing that a definition of HIF factors as bona fide tumor promoters is overly simplistic, and, depending on the leukemia subtype, the specific oncogenic event, or the stage of leukemia development, activation of hypoxia-inducible genes may lead to opposite consequences. With this article we will provide an updated summary of the studies describing the regulation and function of HIF1α and HIF2α in blood malignancies, spanning from acute to chronic, lymphoid to myeloid leukemias. In discussing these data, we will attempt to provide plausible explanations to contradictory findings and point at what we believe are areas of weakness in which further investigations are urgently needed. Gaining additional knowledge into the role of hypoxia signaling in leukemia appears especially timely nowadays, as new inhibitors of HIF factors are entering the clinical arena for specific types of solid tumors but their utility for patients with leukemia is yet to be determined.
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5
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Hypoxia orchestrates the lymphovascular–immune ensemble in cancer. Trends Cancer 2022; 8:771-784. [DOI: 10.1016/j.trecan.2022.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/31/2022] [Accepted: 04/25/2022] [Indexed: 11/18/2022]
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6
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Hypoxia favors chemoresistance in T-ALL through an HIF1α-mediated mTORC1 inhibition loop. Blood Adv 2021; 5:513-526. [PMID: 33496749 DOI: 10.1182/bloodadvances.2020002832] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 12/14/2020] [Indexed: 12/14/2022] Open
Abstract
Resistance to chemotherapy, a major therapeutic challenge in the treatment of T-cell acute lymphoblastic leukemia (T-ALL), can be driven by interactions between leukemic cells and the microenvironment that promote survival of leukemic cells. The bone marrow, an important leukemia niche, has low oxygen partial pressures that highly participate in the regulation of normal hematopoiesis. Here we show that hypoxia inhibits T-ALL cell growth by slowing down cell cycle progression, decreasing mitochondria activity, and increasing glycolysis, making them less sensitive to antileukemic drugs and preserving their ability to initiate leukemia after treatment. Activation of the mammalian target of rapamycin (mTOR) was diminished in hypoxic leukemic cells, and treatment of T-ALL with the mTOR inhibitor rapamycin in normoxia mimicked the hypoxia effects, namely decreased cell growth and increased quiescence and drug resistance. Knocking down (KD) hypoxia-induced factor 1α (HIF-1α), a key regulator of the cellular response to hypoxia, antagonized the effects observed in hypoxic T-ALL and restored chemosensitivity. HIF-1α KD also restored mTOR activation in low O2 concentrations, and inhibiting mTOR in HIF1α KD T-ALL protected leukemic cells from chemotherapy. Thus, hypoxic niches play a protective role of T-ALL during treatments. Inhibition of HIF-1α and activation of the mTORC1 pathway may help suppress the drug resistance of T-ALL in hypoxic niches.
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7
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Andrade AC, Wolf M, Binder HM, Gomes FG, Manstein F, Ebner-Peking P, Poupardin R, Zweigerdt R, Schallmoser K, Strunk D. Hypoxic Conditions Promote the Angiogenic Potential of Human Induced Pluripotent Stem Cell-Derived Extracellular Vesicles. Int J Mol Sci 2021; 22:ijms22083890. [PMID: 33918735 PMCID: PMC8070165 DOI: 10.3390/ijms22083890] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 12/11/2022] Open
Abstract
Stem cells secrete paracrine factors including extracellular vesicles (EVs) which can mediate cellular communication and support the regeneration of injured tissues. Reduced oxygen (hypoxia) as a key regulator in development and regeneration may influence cellular communication via EVs. We asked whether hypoxic conditioning during human induced pluripotent stem cell (iPSC) culture effects their EV quantity, quality or EV-based angiogenic potential. We produced iPSC-EVs from large-scale culture-conditioned media at 1%, 5% and 18% air oxygen using tangential flow filtration (TFF), with or without subsequent concentration by ultracentrifugation (TUCF). EVs were quantified by tunable resistive pulse sensing (TRPS), characterized according to MISEV2018 guidelines, and analyzed for angiogenic potential. We observed superior EV recovery by TFF compared to TUCF. We confirmed hypoxia efficacy by HIF-1α stabilization and pimonidazole hypoxyprobe. EV quantity did not differ significantly at different oxygen conditions. Significantly elevated angiogenic potential was observed for iPSC-EVs derived from 1% oxygen culture by TFF or TUCF as compared to EVs obtained at higher oxygen or the corresponding EV-depleted soluble factor fractions. Data thus demonstrate that cell-culture oxygen conditions and mode of EV preparation affect iPSC-EV function. We conclude that selecting appropriate protocols will further improve production of particularly potent iPSC-EV-based therapeutics.
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Affiliation(s)
- André Cronemberger Andrade
- Cell Therapy Institute, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (A.C.A.); (M.W.); (H.-M.B.); (P.E.-P.); (R.P.)
| | - Martin Wolf
- Cell Therapy Institute, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (A.C.A.); (M.W.); (H.-M.B.); (P.E.-P.); (R.P.)
| | - Heide-Marie Binder
- Cell Therapy Institute, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (A.C.A.); (M.W.); (H.-M.B.); (P.E.-P.); (R.P.)
| | - Fausto Gueths Gomes
- Department of Transfusion Medicine and SCI-TReCS, Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (F.G.G.); (K.S.)
| | - Felix Manstein
- Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Hannover Medical School, 30625 Hannover, Germany; (F.M.); (R.Z.)
| | - Patricia Ebner-Peking
- Cell Therapy Institute, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (A.C.A.); (M.W.); (H.-M.B.); (P.E.-P.); (R.P.)
| | - Rodolphe Poupardin
- Cell Therapy Institute, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (A.C.A.); (M.W.); (H.-M.B.); (P.E.-P.); (R.P.)
| | - Robert Zweigerdt
- Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Hannover Medical School, 30625 Hannover, Germany; (F.M.); (R.Z.)
| | - Katharina Schallmoser
- Department of Transfusion Medicine and SCI-TReCS, Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (F.G.G.); (K.S.)
| | - Dirk Strunk
- Cell Therapy Institute, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), 5020 Salzburg, Austria; (A.C.A.); (M.W.); (H.-M.B.); (P.E.-P.); (R.P.)
- Correspondence:
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8
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Mpakou V, Spathis A, Bouchla A, Tsakiraki Z, Kontsioti F, Papageorgiou S, Bazani E, Gkontopoulos K, Thomopoulos T, Glezou I, Galanopoulos A, Symeonidis A, Diamantopoulos PT, Viniou NA, Kontandreopoulou CN, Zafeiropoulou K, Kotsianidis I, Lamprianidou E, Foukas P, Mpamias A, Pappa V. Upregulated hypoxia inducible factor 1α signaling pathway in high risk myelodysplastic syndrome and acute myeloid leukemia patients is associated with better response to 5-azacytidine-data from the Hellenic myelodysplastic syndrome study group. Hematol Oncol 2021; 39:231-242. [PMID: 33332639 DOI: 10.1002/hon.2834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/09/2020] [Accepted: 12/15/2020] [Indexed: 11/07/2022]
Abstract
5-azacytidine (5-AZA) is considered the standard of care for patients with high-risk myelodysplastic syndromes (MDS) and patients with acute myeloid leukemia (AML) not candidate for intensive chemotherapy. However, even after an initial favorable response, almost all patients relapse, with the exact mechanisms underlying primary or secondary 5-AZA resistance remaining largely unknown. Several reports have previously demonstrated the significance of hypoxia in the regulation of both physiological and malignant hematopoiesis. In MDS, high hypoxia inducible factor 1α (Hif-1α) expression has been correlated with poor overall survival and disease progression, while its involvement in the disease's pathogenesis was recently reported. We herein investigated the possible association of the Hif-1α signaling pathway with response to 5-AZA therapy in MDS/AML patients. Our data demonstrated that 5-AZA-responders present with higher Hif-1α mRNA and protein expression compared to 5-AZA-non-responders/stable disease patients, before the initiation of therapy, while, interestingly, no significant differences in Hif-1α mRNA expression at the 6-month follow-up were observed. Moreover, we found that 5-AZA-responders exhibited elevated mRNA levels of the Hif-1α downstream targets lactate dehydrogenase a (LDHa) and BCL2 interacting protein 3 like (BNIP3L), a further indication of an overactivated Hif-1a signaling pathway in these patients. Kaplan-Meier survival analysis revealed a significant correlation between high Hif-1α mRNA expression and better survival rates, while logistic regression analysis showed that Hif-1α mRNA expression is an independent predictor of response to 5-AZA therapy. From the clinical point of view, apart from proposing Hif-1α mRNA expression as a significant predictive factor for response to 5-AZA, our data offer new perspectives on MDS combinational therapies, suggesting a potential synergistic activity of 5-AZA and Hif-1α inducers, such as propyl hydroxylases inhibitors (PHDi).
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Affiliation(s)
- Vassiliki Mpakou
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Aris Spathis
- Second Department of Pathology, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Anthi Bouchla
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Zoi Tsakiraki
- Second Department of Pathology, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Frieda Kontsioti
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Sotirios Papageorgiou
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Efthymia Bazani
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Konstantinos Gkontopoulos
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Thomas Thomopoulos
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Irene Glezou
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Athanasios Galanopoulos
- Department of Clinical Hematology, G. Gennimatas District General Hospital, Athens, Greece.,The Hellenic MDS Study Group, Hellenic Society of Haematology, Athens, Greece
| | - Argiris Symeonidis
- The Hellenic MDS Study Group, Hellenic Society of Haematology, Athens, Greece.,Hematology Division, Dept of Int. Medicine, University of Patras Medical School, Patras, Greece
| | - Panagiotis T Diamantopoulos
- First Department of Internal Medicine, Hematology Unit, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Nora-Athina Viniou
- The Hellenic MDS Study Group, Hellenic Society of Haematology, Athens, Greece.,First Department of Internal Medicine, Hematology Unit, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Christina-Nefeli Kontandreopoulou
- First Department of Internal Medicine, Hematology Unit, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Kalliopi Zafeiropoulou
- Hematology Division, Dept of Int. Medicine, University of Patras Medical School, Patras, Greece
| | - Ioannis Kotsianidis
- The Hellenic MDS Study Group, Hellenic Society of Haematology, Athens, Greece.,Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Eleftheria Lamprianidou
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Periklis Foukas
- Second Department of Pathology, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Aristoteles Mpamias
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Vasiliki Pappa
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece.,The Hellenic MDS Study Group, Hellenic Society of Haematology, Athens, Greece
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Lan H, Zhang W, Jin K, Liu Y, Wang Z. Modulating barriers of tumor microenvironment through nanocarrier systems for improved cancer immunotherapy: a review of current status and future perspective. Drug Deliv 2020; 27:1248-1262. [PMID: 32865029 PMCID: PMC7470050 DOI: 10.1080/10717544.2020.1809559] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/10/2020] [Accepted: 08/10/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer immunotherapy suppresses and destroys tumors by re-activating and sustaining the tumor-immune process, and thus improving the immune response of the body to the tumor. Immunotherapeutic strategies are showing promising results in pre-clinical and clinical trials, however, tumor microenvironment (TME) is extremely immunosuppressive. Thus, their translation from labs to clinics still faces issues. Recently, nanomaterial-based strategies have been developed to modulate the TME for robust immunotherapeutic responses. The combination of nanotechnology with immunotherapy potentiates the effectiveness of immunotherapy by increasing delivery and retention, and by reducing immunomodulation toxicity. This review aims to highlight the barriers offered by TME for hindering the efficiency of immunotherapy for cancer treatment. Next, we highlight various nano-carriers based strategies for modulating those barriers for achieving better therapeutic efficacy of cancer immunotherapy with higher safety. This review will add to the body of scientific knowledge and will be a good reference material for academia and industries.
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Affiliation(s)
- Huanrong Lan
- Department of Breast and Thyroid Surgery, Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang Province, China
| | - Wei Zhang
- Rehabilitation and Sports Medicine Research Institute of Zhejiang Province, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, China
| | - Ketao Jin
- Department of Colorectal Surgery, Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang Province, China
| | - Yuyao Liu
- Department of Colorectal Surgery, Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang Province, China
| | - Zhen Wang
- Rehabilitation and Sports Medicine Research Institute of Zhejiang Province, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, China
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10
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Hypoxia: Turning vessels into vassals of cancer immunotolerance. Cancer Lett 2020; 487:74-84. [PMID: 32470491 DOI: 10.1016/j.canlet.2020.05.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 04/27/2020] [Accepted: 05/12/2020] [Indexed: 12/12/2022]
Abstract
Hypoxia is a universal feature of solid cancers caused by a mismatch between cellular oxygen supply and consumption. To meet the increased demand for oxygen, hypoxic cancer cells (CCs) induce a multifaceted process known as angiogenesis, wherein new vessels are formed by the sprouting of pre-existing ones. In addition to providing oxygen for growth and an exit route for dissemination, angiogenic vessels and factors are co-opted by CCs to enable the generation of an immunotolerant, hypoxic tumor microenvironment, leading to therapeutic failure and mortality. In this review, we discuss how hypoxia-inducible factors (HIFs), the mechanistic target of rapamycin (mTOR), and the unfolded protein response (UPR) control angiogenic factors serving both vascular and immunomodulatory functions in the tumor microenvironment. Possible therapeutic strategies, wherein targeting oxygen sensing might enhance anti-angiogenic and immunologically-mediated anti-cancer responses, are suggested.
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11
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Hu J, Meng F, Hu X, Huang L, Liu H, Liu Z, Li L. Iron overload regulate the cytokine of mesenchymal stromal cells through ROS/HIF-1α pathway in Myelodysplastic syndromes. Leuk Res 2020; 93:106354. [PMID: 32380365 DOI: 10.1016/j.leukres.2020.106354] [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: 03/07/2020] [Revised: 04/10/2020] [Accepted: 04/13/2020] [Indexed: 02/06/2023]
Abstract
Iron overload is a significant feature of myelodysplastic syndromes (MDS) patients due to ineffective hematopoiesis and transfusion dependence. Excess iron results in organ dysfunction through the generation of reactive oxygen species (ROS) which can cause oxidative stress even mutation. Mesenchymal stromal cells (MSCs) are responsible for supporting and regulating hematopoiesis, whether MSCs is involved in the pathogenesis of MDS still need further elucidation. Hypoxia-inducible factors-1 (HIF-1) is an integral signal of inflammation that has been shown to up-regulating in MDS patient. We found that MDS-derived MSC had disorganized clones and increased level of apoptosis (n = 53). Iron transportation-related gene, such as DMT1 and ZIP14, and ROS level were increased in iron overload-MDS-MSC (n = 23). HIF-1a, as a crucial part of HIF-1, was also elevated in iron overload-group and PHD2 involved in the degradation of HIF-1a was reduced. Furthermore, HIF-1 downstream cytokines such IL-6, IL-8, TGF-βand VEGF that were also involved in the pathogenesis of MDS were increased in IO-MDS-MSC. When treated with DFO and NAC for iron chelation and antioxidation, the level of HIF-1a and related cytokines could decrease. We conclude that iron overload regulates the cytokine of mesenchymal stromal cells through ROS/HIF-1α pathway in Myelodysplastic syndromes, result in dysfunction of MSC and damage of microenvironment that may be involved in the pathogenesis of MDS.
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Affiliation(s)
- Jiaxin Hu
- Department of Hematology, Taianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin 300070, PR China
| | - Fanqiao Meng
- Department of Hematology, Taianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin 300070, PR China
| | - Xian Hu
- Department of Hematology, Taianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin 300070, PR China
| | - Lei Huang
- Department of Hematology, Taianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin 300070, PR China
| | - Hui Liu
- Department of Hematology, Taianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin 300070, PR China
| | - Zhaoyun Liu
- Department of Hematology, Taianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin 300070, PR China
| | - Lijuanli Li
- Department of Hematology, Taianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin 300070, PR China.
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12
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Herrmann AB, Müller ML, Orth MF, Müller JP, Zernecke A, Hochhaus A, Ernst T, Butt E, Frietsch JJ. Knockout of LASP1 in CXCR4 expressing CML cells promotes cell persistence, proliferation and TKI resistance. J Cell Mol Med 2020; 24:2942-2955. [PMID: 31957290 PMCID: PMC7077607 DOI: 10.1111/jcmm.14910] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 11/30/2019] [Indexed: 12/11/2022] Open
Abstract
Chronic myeloid leukaemia (CML) is a clonal myeloproliferative stem cell disorder characterized by the constitutively active BCR-ABL tyrosine kinase. The LIM and SH3 domain protein 1 (LASP1) has recently been identified as a novel BCR-ABL substrate and is associated with proliferation, migration, tumorigenesis and chemoresistance in several cancers. Furthermore, LASP1 was shown to bind to the chemokine receptor 4 (CXCR4), thought to be involved in mechanisms of relapse. In order to identify potential LASP1-mediated pathways and related factors that may help to further eradicate minimal residual disease (MRD), the effect of LASP1 on processes involved in progression and maintenance of CML was investigated. The present data indicate that not only overexpression of CXCR4, but also knockout of LASP1 contributes to proliferation, reduced apoptosis and migration as well as increased adhesive potential of K562 CML cells. Furthermore, LASP1 depletion in K562 CML cells leads to decreased cytokine release and reduced NK cell-mediated cytotoxicity towards CML cells. Taken together, these results indicate that in CML, reduced levels of LASP1 alone and in combination with high CXCR4 expression may contribute to TKI resistance.
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Affiliation(s)
- Andreas B Herrmann
- Institut für Experimentelle Biomedizin II, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Martha-Lena Müller
- Rudolf-Virchow-Zentrum für Experimentelle Biomedizin I, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Martin F Orth
- Labor für Pädiatrische Sarkombiologie, Medizinische Fakultät, Pathologisches Institut, LMU München, München, Germany
| | - Jörg P Müller
- Center for Molecular Biomedicine, Institut für Molekulare Zellbiologie, Universitätsklinikum Jena, Jena, Germany
| | - Alma Zernecke
- Institut für Experimentelle Biomedizin II, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Andreas Hochhaus
- Abteilung für Hämatologie und internistische Onkologie, Klinik für Innere Medizin II, Universitätsklinikum Jena, Jena, Germany
| | - Thomas Ernst
- Abteilung für Hämatologie und internistische Onkologie, Klinik für Innere Medizin II, Universitätsklinikum Jena, Jena, Germany
| | - Elke Butt
- Institut für Experimentelle Biomedizin II, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Jochen J Frietsch
- Abteilung für Hämatologie und internistische Onkologie, Klinik für Innere Medizin II, Universitätsklinikum Jena, Jena, Germany
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13
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Evangelisti C, Chiarini F, Cappellini A, Paganelli F, Fini M, Santi S, Martelli AM, Neri LM, Evangelisti C. Targeting Wnt/β-catenin and PI3K/Akt/mTOR pathways in T-cell acute lymphoblastic leukemia. J Cell Physiol 2020; 235:5413-5428. [PMID: 31904116 DOI: 10.1002/jcp.29429] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 12/19/2019] [Indexed: 12/13/2022]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematological disorder that results from the clonal transformation of T-cell precursors. Phosphatidylinositol 3-kinase (PI3K)/Akt/mechanistic target of rapamycin (mTOR) and canonical Wnt/β-catenin signaling pathways play a crucial role in T-cell development and in self-renewal of healthy and leukemic stem cells. Notably, β-catenin is a transcriptional regulator of several genes involved in cancer cell proliferation and survival. In this way, aberrations of components belonging to the aforementioned networks contribute to T-ALL pathogenesis. For this reason, inhibition of both pathways could represent an innovative strategy in this hematological malignancy. Here, we show that combined targeting of Wnt/β-catenin pathway through ICG-001, a CBP/β-catenin transcription inhibitor, and of the PI3K/Akt/mTOR axis through ZSTK-474, a PI3K inhibitor, downregulated proliferation, survival, and clonogenic activity of T-ALL cells. ICG-001 and ZSTK-474 displayed cytotoxic effects, and, when combined together, induced a significant increase in apoptotic cells. This induction of apoptosis was associated with the downregulation of Wnt/β-catenin and PI3K/Akt/mTOR pathways. All these findings were confirmed under hypoxic conditions that mimic the bone marrow niche where leukemic stem cells are believed to reside. Taken together, our findings highlight potentially promising treatment consisting of cotargeting Wnt/β-catenin and PI3K/Akt/mTOR pathways in T-ALL settings.
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Affiliation(s)
- Cecilia Evangelisti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Francesca Chiarini
- CNR Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Bologna, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alessandra Cappellini
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Francesca Paganelli
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Milena Fini
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Spartaco Santi
- CNR Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Bologna, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alberto M Martelli
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Luca M Neri
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy.,LTTA-Electron Microscopy Center, University of Ferrara, Ferrara, Italy
| | - Camilla Evangelisti
- CNR Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Bologna, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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14
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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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15
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Gaudichon J, Jakobczyk H, Debaize L, Cousin E, Galibert MD, Troadec MB, Gandemer V. Mechanisms of extramedullary relapse in acute lymphoblastic leukemia: Reconciling biological concepts and clinical issues. Blood Rev 2019; 36:40-56. [PMID: 31010660 DOI: 10.1016/j.blre.2019.04.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 04/03/2019] [Accepted: 04/15/2019] [Indexed: 12/17/2022]
Abstract
Long-term survival rates in childhood acute lymphoblastic leukemia (ALL) are currently above 85% due to huge improvements in treatment. However, 15-20% of children still experience relapses. Relapses can either occur in the bone marrow or at extramedullary sites, such as gonads or the central nervous system (CNS), formerly referred to as ALL-blast sanctuaries. The reason why ALL cells migrate to and stay in these sites is still unclear. In this review, we have attempted to assemble the evidence concerning the microenvironmental factors that could explain why ALL cells reside in such sites. We present criteria that make extramedullary leukemia niches and solid tumor metastatic niches comparable. Indeed, considering extramedullary leukemias as metastases could be a useful approach for proposing more effective treatments. In this context, we conclude with several examples of potential niche-based therapies which could be successfully added to current treatments of ALL.
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Affiliation(s)
- Jérémie Gaudichon
- CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France; Pediatric Hematology and Oncology Department, University Hospital, Caen, France.
| | - Hélène Jakobczyk
- CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France
| | - Lydie Debaize
- CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France
| | - Elie Cousin
- CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France; Pediatric Hematology Department, University Hospital, Rennes, France
| | - Marie-Dominique Galibert
- CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France.
| | - Marie-Bérengère Troadec
- CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France
| | - Virginie Gandemer
- CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France; Pediatric Hematology Department, University Hospital, Rennes, France.
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16
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Rytelewski M, Haryutyunan K, Nwajei F, Shanmugasundaram M, Wspanialy P, Zal MA, Chen CH, El Khatib M, Plunkett S, Vinogradov SA, Konopleva M, Zal T. Merger of dynamic two-photon and phosphorescence lifetime microscopy reveals dependence of lymphocyte motility on oxygen in solid and hematological tumors. J Immunother Cancer 2019; 7:78. [PMID: 30885258 PMCID: PMC6423744 DOI: 10.1186/s40425-019-0543-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: 01/03/2019] [Accepted: 02/21/2019] [Indexed: 02/08/2023] Open
Abstract
Background Low availability of oxygen in tumors contributes to the hostility of the tumor microenvironment toward the immune system. However, the dynamic relationship between local oxygen levels and the immune surveillance of tumors by tumor infiltrating T-lymphocytes (TIL) remains unclear. This situation reflects a methodological difficulty in visualizing oxygen gradients in living tissue in a manner that is suitable for spatiotemporal quantification and contextual correlation with individual cell dynamics tracked by typical fluorescence reporter systems. Methods Here, we devise a regimen for intravital oxygen and cell dynamics co-imaging, termed ‘Fast’ Scanning Two-photon Phosphorescence Lifetime Imaging Microscopy (FaST-PLIM). Using FaST-PLIM, we image the cellular motility of T-lymphocytes in relation to the microscopic distribution of oxygen in mouse models of hematological and solid tumors, namely in bone marrow with or without B-cell acute lymphocytic leukemia (ALL), and in lungs with sarcoma tumors. Results Both in bone marrow leukemia and solid tumor models, TILs encountered regions of varying oxygen concentrations, including regions of hypoxia (defined as pO2 below 5 mmHg), especially in advanced-stage ALL and within solid tumor cores. T cell motility was sustained and weakly correlated with local pO2 above 5 mmHg but it was very slow in pO2 below this level. In solid tumors, this relationship was reflected in slow migration of TIL in tumor cores compared to that in tumor margins. Remarkably, breathing 100% oxygen alleviated tumor core hypoxia and rapidly invigorated the motility of otherwise stalled tumor core TILs. Conclusions This study demonstrates a versatile and highly contextual FaST-PLIM method for phosphorescence lifetime-based oxygen imaging in living animal tumor immunology models. The initial results of this method application to ALL and solid lung tumor models highlight the importance of oxygen supply for the maintenance of intratumoral T cell migration, define a 5 mmHg local oxygen concentration threshold for TIL motility, and demonstrate efficacy of supplementary oxygen breathing in TIL motility enhancement coincident with reduction of tumor hypoxia. Electronic supplementary material The online version of this article (10.1186/s40425-019-0543-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mateusz Rytelewski
- Department of Immunology, University of Texas MD Anderson Cancer Center, U902, 7455 Fannin St, Houston, 77054, TX, USA
| | - Karine Haryutyunan
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Felix Nwajei
- Department of Immunology, University of Texas MD Anderson Cancer Center, U902, 7455 Fannin St, Houston, 77054, TX, USA
| | - Meenakshi Shanmugasundaram
- Department of Immunology, University of Texas MD Anderson Cancer Center, U902, 7455 Fannin St, Houston, 77054, TX, USA
| | | | - M Anna Zal
- Department of Immunology, University of Texas MD Anderson Cancer Center, U902, 7455 Fannin St, Houston, 77054, TX, USA
| | - Chao-Hsien Chen
- Department of Immunology, University of Texas MD Anderson Cancer Center, U902, 7455 Fannin St, Houston, 77054, TX, USA
| | - Mirna El Khatib
- Departments of Biochemistry and Biophysics and of Chemistry, University of Pennsylvania, Philadelphia, PA, USA
| | - Shane Plunkett
- Departments of Biochemistry and Biophysics and of Chemistry, University of Pennsylvania, Philadelphia, PA, USA
| | - Sergei A Vinogradov
- Departments of Biochemistry and Biophysics and of Chemistry, University of Pennsylvania, Philadelphia, PA, USA
| | - Marina Konopleva
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Tomasz Zal
- Department of Immunology, University of Texas MD Anderson Cancer Center, U902, 7455 Fannin St, Houston, 77054, TX, USA.
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17
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Schito L. Hypoxia-Dependent Angiogenesis and Lymphangiogenesis in Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1136:71-85. [PMID: 31201717 DOI: 10.1007/978-3-030-12734-3_5] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hypoxia (low O2) is a ubiquitous feature of solid cancers, arising as a mismatch between cellular O2 supply and consumption. Hypoxia is associated to metastatic disease and mortality owing to its ability to stimulate the formation of blood (angiogenesis) and lymphatic vessels (lymphangiogenesis), thereby allowing cancer cells to escape the unfavorable tumor microenvironment and disseminate into secondary sites. This review outlines molecular mechanisms by which intratumoral hypoxia regulates the expression of motogenic and mitogenic factors that induce angiogenesis and lymphangiogenesis, whilst discussing their implications for metastatic cancers.
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Affiliation(s)
- Luana Schito
- Biological Sciences Platform, Sunnybrook Research Institute, University of Toronto, Toronto, ON, Canada.
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18
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Vinayak M. Molecular Action of Herbal Antioxidants in Regulation of Cancer Growth: Scope for Novel Anticancer Drugs. Nutr Cancer 2018; 70:1199-1209. [DOI: 10.1080/01635581.2018.1539187] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Manjula Vinayak
- Biochemistry & Molecular Biology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, India
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19
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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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20
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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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21
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Schito L. Bridging angiogenesis and immune evasion in the hypoxic tumor microenvironment. Am J Physiol Regul Integr Comp Physiol 2018; 315:R1072-R1084. [PMID: 30183339 DOI: 10.1152/ajpregu.00209.2018] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Hypoxia (low O2) is a ubiquitous microenvironmental factor promoting cancer progression, metastasis, and mortality, owing to the ability of cancer cells to co-opt physiological angiogenic responses. Notwithstanding, the pathophysiological induction of angiogenesis results in an abnormal tumor vasculature, further aggravating hypoxia in a feedforward loop that limits the efficacy of molecular targeted therapies. Recent studies suggest that, besides their canonical roles, angiogenic factors promote a panoply of immunosuppressive effects in the tumor microenvironment. Therefore, intratumoral hypoxia emerges as a hitherto unrecognized mechanism evolutionarily repurposing angiogenic molecules as (patho)physiological immunomodulators. On the other hand, antiangiogenic therapies could be aimed at impeding both tumor growth and immunotolerance toward cancer cells, a beneficial effect that can be countered if hypoxia signaling pathways are left unchecked, leading to therapeutic failure. This review summarizes evidence supporting the hypothesis that hypoxia acts as a common pathophysiological mechanism of resistance to immunotherapeutic and antiangiogenic agents while proposing potential strategies to curtail resistance and mortality in patients bearing solid malignancies.
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Affiliation(s)
- Luana Schito
- Biological Sciences Platform, Sunnybrook Research Institute, University of Toronto , Toronto, Ontario , Canada
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Biological Aspects of mTOR in Leukemia. Int J Mol Sci 2018; 19:ijms19082396. [PMID: 30110936 PMCID: PMC6121663 DOI: 10.3390/ijms19082396] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 08/07/2018] [Accepted: 08/10/2018] [Indexed: 02/07/2023] Open
Abstract
The mammalian target of rapamycin (mTOR) is a central processor of intra- and extracellular signals, regulating many fundamental cellular processes such as metabolism, growth, proliferation, and survival. Strong evidences have indicated that mTOR dysregulation is deeply implicated in leukemogenesis. This has led to growing interest in the development of modulators of its activity for leukemia treatment. This review intends to provide an outline of the principal biological and molecular functions of mTOR. We summarize the current understanding of how mTOR interacts with microRNAs, with components of cell metabolism, and with controllers of apoptotic machinery. Lastly, from a clinical/translational perspective, we recapitulate the therapeutic results in leukemia, obtained by using mTOR inhibitors as single agents and in combination with other compounds.
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Hypoxia promotes breast cancer cell invasion through HIF-1α-mediated up-regulation of the invadopodial actin bundling protein CSRP2. Sci Rep 2018; 8:10191. [PMID: 29976963 PMCID: PMC6033879 DOI: 10.1038/s41598-018-28637-x] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 06/13/2018] [Indexed: 12/20/2022] Open
Abstract
Hypoxia is a common feature of solid tumours that promotes invasion and metastatic dissemination. Invadopodia are actin-rich membrane protrusions that direct extracellular matrix proteolysis and facilitate tumour cell invasion. Here, we show that CSRP2, an invadopodial actin bundling protein, is upregulated by hypoxia in various breast cancer cell lines, as well as in pre-clinical and clinical breast tumour specimens. We functionally characterized two hypoxia responsive elements within the proximal promoter of CSRP2 gene which are targeted by hypoxia-inducible factor-1 (HIF-1) and required for promoter transactivation in response to hypoxia. Remarkably, CSRP2 knockdown significantly inhibits hypoxia-stimulated invadopodium formation, ECM degradation and invasion in MDA-MB-231 cells, while CSRP2 forced expression was sufficient to enhance the invasive capacity of HIF-1α-depleted cells under hypoxia. In MCF-7 cells, CSRP2 upregulation was required for hypoxia-induced formation of invadopodium precursors that were unable to promote ECM degradation. Collectively, our data support that CSRP2 is a novel and direct cytoskeletal target of HIF-1 which facilitates hypoxia-induced breast cancer cell invasion by promoting invadopodia formation.
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Hypoxic pathobiology of breast cancer metastasis. Biochim Biophys Acta Rev Cancer 2017; 1868:239-245. [PMID: 28526262 DOI: 10.1016/j.bbcan.2017.05.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 05/13/2017] [Accepted: 05/13/2017] [Indexed: 12/14/2022]
Abstract
Dissemination of breast cancer cells (BCCs) to distant sites (metastasis) is the ultimate cause of mortality in patients with breast cancer. Hypoxia (low O2) is a microenvironmental hallmark of most solid cancers arising as a mismatch between cellular O2 consumption and supply. Hypoxic selection of BCCs triggers molecular and cellular adaptations dependent upon hypoxia-inducible factors (HIFs), a family of evolutionarily conserved transcriptional activators that coordinate the expression of numerous genes controlling each step of the metastatic process. In this review, we summarize current advances in the understanding of HIF-driven molecular mechanisms that promote BCC metastatic dissemination and patient mortality. In addition, we discuss the clinical and therapeutic implications of HIF targeting in breast cancers.
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