1
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Chudy P, Kochan J, Wawro M, Nguyen P, Gorczyca M, Varanko A, Retka A, Ghadei SS, Napieralska E, Grochot-Przęczek A, Szade K, Berendes LS, Park J, Sokołowski G, Yu Q, Józkowicz A, Nowak WN, Krzeptowski W. Heme oxygenase-1 protects cells from replication stress. Redox Biol 2024; 75:103247. [PMID: 39047636 PMCID: PMC11321372 DOI: 10.1016/j.redox.2024.103247] [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: 05/17/2024] [Accepted: 06/18/2024] [Indexed: 07/27/2024] Open
Abstract
Heme oxygenase-1 (HO-1, HMOX1) degrades heme protecting cells from heme-induced oxidative damage. Beyond its well-established cellular functions, heme has emerged as a stabilizer of G-quadruplexes. These secondary DNA structures interfere with DNA replication. We recently revealed that nuclear HO-1 colocalizes with DNA G-quadruplexes and promotes their removal. Here, we investigate whether HO-1 safeguards cells against replication stress. Experiments were conducted in control and HMOX1-deficient HEK293T cell lines. Immunostaining unveiled that DNA G-quadruplexes accumulated in the absence of HO-1, the effect that was further enhanced in response to δ-aminolevulinic acid (ALA), a substrate in heme synthesis. This was associated with replication stress, as evidenced by an elevated proportion of stalled forks analyzed by fiber assay. We observed the same effects in hematopoietic stem cells isolated from Hmox1 knockout mice and in a lymphoblastoid cell line from an HMOX1-deficient patient. Interestingly, in the absence of HO-1, the speed of fork progression was higher, and the response to DNA conformational hindrance less stringent, indicating dysfunction of the PARP1-p53-p21 axis. PARP1 activity was not decreased in the absence of HO-1. Instead, we observed that HO-1 deficiency impairs the nuclear import and accumulation of p53, an effect dependent on the removal of excess heme. We also demonstrated that administering ALA is a more specific method for increasing intracellular free heme compared to treatment with hemin, which in turn induces strong lipid peroxidation. Our results indicate that protection against replication stress is a universal feature of HO-1, presumably contributing to its widely recognized cytoprotective activity.
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Affiliation(s)
- Patryk Chudy
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland; Doctoral School of Exact and Natural Sciences, Jagiellonian University, Krakow, Poland
| | - Jakub Kochan
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Mateusz Wawro
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Phu Nguyen
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Monika Gorczyca
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Aliaksandra Varanko
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Aleksandra Retka
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Swati Sweta Ghadei
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Emilija Napieralska
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Anna Grochot-Przęczek
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Krzysztof Szade
- Laboratory of Stem Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Lea-Sophie Berendes
- Department of General Pediatrics, University Hospital Münster, Münster, Germany
| | - Julien Park
- Department of General Pediatrics, University Hospital Münster, Münster, Germany
| | - Grzegorz Sokołowski
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Qiuliyang Yu
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, China
| | - Alicja Józkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Witold N Nowak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland; August Chełkowski Institute of Physics, Faculty of Science and Technology, University of Silesia, Chorzów, Poland.
| | - Wojciech Krzeptowski
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland.
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Berendes LS, Westhoff PS, Wittkowski H, Seelhöfer A, Varga G, Marquardt T, Park JH. Clinical and molecular analysis of a novel variant in heme oxygenase-1 deficiency: Unraveling its role in inflammation, heme metabolism, and pulmonary phenotype. Mol Genet Metab Rep 2024; 38:101038. [PMID: 38178812 PMCID: PMC10764348 DOI: 10.1016/j.ymgmr.2023.101038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 12/08/2023] [Accepted: 12/08/2023] [Indexed: 01/06/2024] Open
Abstract
Heme oxygenase 1 (HO-1) is the pivotal catalyst for the primary and rate-determining step in heme catabolism, playing a crucial role in mitigating heme-induced oxidative damage. Pathogenic variants in the HMOX1 gene which encodes HO-1, are responsible for a severe, multisystem disease characterized by recurrent inflammatory episodes, organ failure, and an ultimately fatal course. Chronic hemolysis and abnormally low bilirubin levels are cardinal laboratory features of this disorder. In this study, we describe a patient with severe interstitial lung disease, frequent episodes of hyperinflammation non-responsive to immunosuppression, and fatal pulmonary hemorrhage. Employing exome sequencing, we identified two protein truncating variants in HMOX1, c.262_268delinsCC (p.Ala88Profs*51) and a previously unreported variant, c.55dupG (p.Glu19Glyfs*14). Functional analysis in patient-derived lymphoblastoid cells unveiled the complete absence of HO-1 protein expression and a marked reduction in cell viability upon exposure to hemin. These findings confirm the pathogenicity of the identified HMOX1 variants, further underscoring their association with severe pulmonary manifestations . This study describes the profound clinical consequences stemming from disruptions in redox metabolism.
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Affiliation(s)
| | | | - Helmut Wittkowski
- University of Münster, Department of Pediatric Rheumatology and Immunology, Münster, Germany
| | - Anja Seelhöfer
- University of Münster, Department of General Pediatrics, Münster, Germany
| | - Georg Varga
- University of Münster, Department of Pediatric Rheumatology and Immunology, Münster, Germany
| | - Thorsten Marquardt
- University of Münster, Department of General Pediatrics, Münster, Germany
| | - Julien H. Park
- University of Münster, Department of General Pediatrics, Münster, Germany
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3
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Liu R, Zhang X, Nie L, Sun S, Liu J, Chen H. Heme oxygenase 1 in erythropoiesis: an important regulator beyond catalyzing heme catabolism. Ann Hematol 2023; 102:1323-1332. [PMID: 37046065 DOI: 10.1007/s00277-023-05193-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023]
Abstract
Heme oxygenase 1 (HO-1), encoded by the HMOX-1 gene, is the main heme oxygenase that catalyzes the degradation of heme into iron, carbon monoxide, and biliverdin. HMOX-1 gene expression is stimulated by oxidative stress and regulated at transcriptional and post-transcriptional levels. After translation, subcellular location and protein stability of HO-1 are also altered by different extracellular and intracellular stimuli. HO-1 plays a key role in regulating iron homeostasis and cell protection and has become a new target for disease treatment. Erythropoiesis is a tightly controlled, iron-dependent process that begins with hematopoietic stem cells and maturates to red blood cells. HO-1 is expressed in hematopoietic stem/progenitor cells, hematopoietic niche cells, erythroblasts, and especially erythroblastic island and phagocytic macrophages. HO-1 functions importantly in the entire erythroid development process by influencing hematopoietic stem cell proliferation, erythroid lineage engagement, terminal erythroid differentiation, and even senescent RBC erythrophagocytosis. HO-1 is also related to stress erythropoiesis and certain red blood cell diseases. Elucidation of HO-1 regulation and function in erythropoiesis will be of great significance for the treatment of related diseases.
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Affiliation(s)
- Rui Liu
- Molecular Biology Research Center, School of Life Sciences; Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha, Hunan Province, 410078, People's Republic of China
| | - Xuzhi Zhang
- Molecular Biology Research Center, School of Life Sciences; Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha, Hunan Province, 410078, People's Republic of China
- Xiangya School of Medicine, Central South University, Changsha, Hunan Province, 410013, People's Republic of China
| | - Ling Nie
- Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, People's Republic of China
| | - Shuming Sun
- Molecular Biology Research Center, School of Life Sciences; Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha, Hunan Province, 410078, People's Republic of China
| | - Jing Liu
- Molecular Biology Research Center, School of Life Sciences; Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha, Hunan Province, 410078, People's Republic of China
| | - Huiyong Chen
- Molecular Biology Research Center, School of Life Sciences; Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University, Changsha, Hunan Province, 410078, People's Republic of China.
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4
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Perecko T, Hoferova Z, Hofer M, Pereckova J, Falk M. Administration of nitro-oleic acid mitigates radiation-induced hematopoietic injury in mice. Life Sci 2022; 310:121106. [DOI: 10.1016/j.lfs.2022.121106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/10/2022] [Accepted: 10/16/2022] [Indexed: 11/09/2022]
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5
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Kandarakov O, Belyavsky A, Semenova E. Bone Marrow Niches of Hematopoietic Stem and Progenitor Cells. Int J Mol Sci 2022; 23:ijms23084462. [PMID: 35457280 PMCID: PMC9032554 DOI: 10.3390/ijms23084462] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 12/15/2022] Open
Abstract
The mammalian hematopoietic system is remarkably efficient in meeting an organism’s vital needs, yet is highly sensitive and exquisitely regulated. Much of the organismal control over hematopoiesis comes from the regulation of hematopoietic stem cells (HSCs) by specific microenvironments called niches in bone marrow (BM), where HSCs reside. The experimental studies of the last two decades using the most sophisticated and advanced techniques have provided important data on the identity of the niche cells controlling HSCs functions and some mechanisms underlying niche-HSC interactions. In this review we discuss various aspects of organization and functioning of the HSC cell niche in bone marrow. In particular, we review the anatomy of BM niches, various cell types composing the niche, niches for more differentiated cells, metabolism of HSCs in relation to the niche, niche aging, leukemic transformation of the niche, and the current state of HSC niche modeling in vitro.
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6
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Luo K, Ogawa M, Ayer A, Britton WJ, Stocker R, Kikuchi K, Oehlers SH. Zebrafish Heme Oxygenase 1a Is Necessary for Normal Development and Macrophage Migration. Zebrafish 2022; 19:7-17. [PMID: 35108124 DOI: 10.1089/zeb.2021.0058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Heme oxygenase function is highly conserved between vertebrates where it plays important roles in normal embryonic development and controls oxidative stress. Expression of the zebrafish heme oxygenase 1 genes is known to be responsive to oxidative stress suggesting a conserved physiological function. In this study, we generate a knockout allele of zebrafish hmox1a and characterize the effects of hmox1a and hmox1b loss on embryonic development. We find that loss of hmox1a or hmox1b causes developmental defects in only a minority of embryos, in contrast to Hmox1 gene deletions in mice that cause loss of most embryos. Using a tail wound inflammation assay we find a conserved role for hmox1a, but not hmox1b, in normal macrophage migration to the wound site. Together our results indicate that zebrafish hmox1a has clearly a partitioned role from hmox1b that is more consistent with conserved functions of mammalian Heme oxygenase 1.
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Affiliation(s)
- Kaiming Luo
- Tuberculosis Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia.,Victor Chang Cardiac Research Institute, Darlinghurst, Australia
| | - Masahito Ogawa
- Victor Chang Cardiac Research Institute, Darlinghurst, Australia
| | - Anita Ayer
- Victor Chang Cardiac Research Institute, Darlinghurst, Australia.,The Heart Research Institute, Newtown, Australia
| | - Warwick J Britton
- Tuberculosis Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia.,Department of Clinical Immunology, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Roland Stocker
- Victor Chang Cardiac Research Institute, Darlinghurst, Australia.,The Heart Research Institute, Newtown, Australia
| | - Kazu Kikuchi
- Victor Chang Cardiac Research Institute, Darlinghurst, Australia.,National Cerebral and Cardiovascular Center, Suita, Japan
| | - Stefan H Oehlers
- Tuberculosis Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia.,Sydney Institute for Infectious Diseases, The University of Sydney, Camperdown, Australia
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7
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Carbon Monoxide (CO) as a Retinal Regulator of Heme Oxygenases -1, and -2 (HO’s) Expression. Biomedicines 2022; 10:biomedicines10020358. [PMID: 35203567 PMCID: PMC8962416 DOI: 10.3390/biomedicines10020358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/24/2022] [Accepted: 01/31/2022] [Indexed: 11/30/2022] Open
Abstract
Carbon monoxide (CO) has been proposed as a chemical light signal and neural system modulator via heme oxygenases -1 and -2 (HO-1 and HO-2). Many papers have proven the CO-HO circuit to be important for such physiological pathways as the molecular biological clock and the GnRH axis, but also in such pathological occurrences as ischemic injuries, or inflammation as a regenerative and neuroprotective factor. In this in vivo experiment, we used three groups of pigs: control—housed in natural conditions without any procedures; without CO—adapted and kept in constant darkness, infused with blank plasma; and with CO—adapted and kept in constant darkness infused with CO-enriched plasma. After the experiments, each animal was slaughtered and its eyes were collected for further analysis. Quantitative PCR and Western blot analysis were performed to show statistical differences in the expressions between the experimental groups. Our data revealed that exogenous CO is regulator of mRNA transcription for HO-1 and HO-2 and PCNA. Moreover, the mRNA abundance of analyzed factors in the experimental group after CO elevation revealed a restored gene-expression level similar to the control group, which we had observed in the group’s restored protein level after CO elevation. In conclusion, exogenous CO regulates HO’s and PCNA gene expression on transcriptional and translational levels in a similar way as a light cue.
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8
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Zhou X, Yuan W, Xiong X, Zhang Z, Liu J, Zheng Y, Wang J, Liu J. HO-1 in Bone Biology: Potential Therapeutic Strategies for Osteoporosis. Front Cell Dev Biol 2021; 9:791585. [PMID: 34917622 PMCID: PMC8669958 DOI: 10.3389/fcell.2021.791585] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/12/2021] [Indexed: 02/05/2023] Open
Abstract
Osteoporosis is a prevalent bone disorder characterized by bone mass reduction and deterioration of bone microarchitecture leading to bone fragility and fracture risk. In recent decades, knowledge regarding the etiological mechanisms emphasizes that inflammation, oxidative stress and senescence of bone cells contribute to the development of osteoporosis. Studies have demonstrated that heme oxygenase 1 (HO-1), an inducible enzyme catalyzing heme degradation, exhibits anti-inflammatory, anti-oxidative stress and anti-apoptosis properties. Emerging evidence has revealed that HO-1 is critical in the maintenance of bone homeostasis, making HO-1 a potential target for osteoporosis treatment. In this Review, we aim to provide an introduction to current knowledge of HO-1 biology and its regulation, focusing specifically on its roles in bone homeostasis and osteoporosis. We also examine the potential of HO-1-based pharmacological therapeutics for osteoporosis and issues faced during clinical translation.
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Affiliation(s)
- Xueman Zhou
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Wenxiu Yuan
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xin Xiong
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhenzhen Zhang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Jiaqi Liu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Yingcheng Zheng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Jun Wang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jin Liu
- Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
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9
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Matteini F, Mulaw MA, Florian MC. Aging of the Hematopoietic Stem Cell Niche: New Tools to Answer an Old Question. Front Immunol 2021; 12:738204. [PMID: 34858399 PMCID: PMC8631970 DOI: 10.3389/fimmu.2021.738204] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 10/11/2021] [Indexed: 12/31/2022] Open
Abstract
The hematopoietic stem cell (HSC) niche is a specialized microenvironment, where a complex and dynamic network of interactions across multiple cell types regulates HSC function. During the last years, it became progressively clearer that changes in the HSC niche are responsible for specific alterations of HSC behavior. The aging of the bone marrow (BM) microenvironment has been shown to critically contribute to the decline in HSC function over time. Interestingly, while upon aging some niche structures within the BM are degenerated and negatively affect HSC functionality, other niche cells and specific signals are preserved and essential to retaining HSC function and regenerative capacity. These new findings on the role of the aging BM niche critically depend on the implementation of new technical tools, developed thanks to transdisciplinary approaches, which bring together different scientific fields. For example, the development of specific mouse models in addition to coculture systems, new 3D-imaging tools, ossicles, and ex-vivo BM mimicking systems is highlighting the importance of new technologies to unravel the complexity of the BM niche on aging. Of note, an exponential impact in the understanding of this biological system has been recently brought by single-cell sequencing techniques, spatial transcriptomics, and implementation of artificial intelligence and deep learning approaches to data analysis and integration. This review focuses on how the aging of the BM niche affects HSCs and on the new tools to investigate the specific alterations occurring in the BM upon aging. All these new advances in the understanding of the BM niche and its regulatory function on HSCs have the potential to lead to novel therapeutical approaches to preserve HSC function upon aging and disease.
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Affiliation(s)
- Francesca Matteini
- Stem Cell Aging Group, Regenerative Medicine Program, The Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain
- Program for Advancing the Clinical Translation of Regenerative Medicine of Catalonia, P-CMR[C], Barcelona, Spain
| | - Medhanie A. Mulaw
- Institute for Molecular Medicine and Internal Medicine I, Ulm University and University Hospital Ulm, Ulm, Germany
| | - M. Carolina Florian
- Stem Cell Aging Group, Regenerative Medicine Program, The Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain
- Program for Advancing the Clinical Translation of Regenerative Medicine of Catalonia, P-CMR[C], Barcelona, Spain
- Center for Networked Biomedical Research on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
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10
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Szade A, Szade K, Mahdi M, Józkowicz A. The role of heme oxygenase-1 in hematopoietic system and its microenvironment. Cell Mol Life Sci 2021; 78:4639-4651. [PMID: 33787980 PMCID: PMC8195762 DOI: 10.1007/s00018-021-03803-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 02/09/2021] [Accepted: 02/24/2021] [Indexed: 12/22/2022]
Abstract
Hematopoietic system transports all necessary nutrients to the whole organism and provides the immunological protection. Blood cells have high turnover, therefore, this system must be dynamically controlled and must have broad regeneration potential. In this review, we summarize how this complex system is regulated by the heme oxygenase-1 (HO-1)-an enzyme, which degrades heme to biliverdin, ferrous ion and carbon monoxide. First, we discuss how HO-1 influences hematopoietic stem cells (HSC) self-renewal, aging and differentiation. We also describe a critical role of HO-1 in endothelial cells and mesenchymal stromal cells that constitute the specialized bone marrow niche of HSC. We further discuss the molecular and cellular mechanisms by which HO-1 modulates innate and adaptive immune responses. Finally, we highlight how modulation of HO-1 activity regulates the mobilization of bone marrow hematopoietic cells to peripheral blood. We critically discuss the issue of metalloporphyrins, commonly used pharmacological modulators of HO-1 activity, and raise the issue of their important HO-1-independent activities.
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Affiliation(s)
- Agata Szade
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland.
| | - Krzysztof Szade
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Mahdi Mahdi
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Alicja Józkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
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11
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Role of Heme-Oxygenase-1 in Biology of Cardiomyocytes Derived from Human Induced Pluripotent Stem Cells. Cells 2021; 10:cells10030522. [PMID: 33804563 PMCID: PMC8000937 DOI: 10.3390/cells10030522] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/18/2021] [Accepted: 02/24/2021] [Indexed: 02/06/2023] Open
Abstract
Heme oxygenase-1 (HO-1, encoded by HMOX1) is a cytoprotective enzyme degrading heme into CO, Fe2+, and biliverdin. HO-1 was demonstrated to affect cardiac differentiation of murine pluripotent stem cells (PSCs), regulate the metabolism of murine adult cardiomyocytes, and influence regeneration of infarcted myocardium in mice. However, the enzyme’s effect on human cardiogenesis and human cardiomyocytes’ electromechanical properties has not been described so far. Thus, this study aimed to investigate the role of HO-1 in the differentiation of human induced pluripotent stem cells (hiPSCs) into hiPSC-derived cardiomyocytes (hiPSC-CMs). hiPSCs were generated from human fibroblasts and peripheral blood mononuclear cells using Sendai vectors and subjected to CRISPR/Cas9-mediated HMOX1 knock-out. After confirming lack of HO-1 expression on the protein level, isogenic control and HO-1-deficient hiPSCs were differentiated into hiPSC-CMs. No differences in differentiation efficiency and hiPSC-CMs metabolism were observed in both cell types. The global transcriptomic analysis revealed, on the other hand, alterations in electrophysiological pathways in hiPSC-CMs devoid of HO-1, which also demonstrated increased size. Functional consequences in changes in expression of ion channels genes were then confirmed by patch-clamp analysis. To the best of our knowledge, this is the first report demonstrating the link between HO-1 and electrophysiology in human cardiomyocytes.
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12
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Bukowska-Strakova K, Włodek J, Pitera E, Kozakowska M, Konturek-Cieśla A, Cieśla M, Gońka M, Nowak W, Wieczorek A, Pawińska-Wąsikowska K, Józkowicz A, Siedlar M. Role of HMOX1 Promoter Genetic Variants in Chemoresistance and Chemotherapy Induced Neutropenia in Children with Acute Lymphoblastic Leukemia. Int J Mol Sci 2021; 22:ijms22030988. [PMID: 33498175 PMCID: PMC7863945 DOI: 10.3390/ijms22030988] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 01/15/2021] [Indexed: 12/17/2022] Open
Abstract
Whilst the survival rates of childhood acute lymphoblastic leukemia (ALL) have increased remarkably over the last decades, the therapy resistance and toxicity are still the major causes of treatment failure. It was shown that overexpression of heme oxygenase-1 (HO-1) promotes proliferation and chemoresistance of cancer cells. In humans, the HO-1 gene (HMOX1) expression is modulated by two polymorphisms in the promoter region: (GT)n-length polymorphism and single-nucleotide polymorphism (SNP) A(−413)T, with short GT repeat sequences and 413-A variants linked to an increased HO-1 inducibility. We found that the short alleles are significantly more frequent in ALL patients in comparison to the control group, and that their presence may be associated with a higher risk of treatment failure, reflecting the role of HO-1 in chemoresistance. We also observed that the presence of short alleles may predispose to develop chemotherapy-induced neutropenia. In case of SNP, the 413-T variant co-segregated with short or long alleles, while 413-A almost selectively co-segregated with long alleles, hence it is not possible to determine if SNPs are actually of phenotypic significance. Our results suggest that HO-1 can be a potential target to overcome the treatment failure in ALL patients.
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Affiliation(s)
- Karolina Bukowska-Strakova
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, 31-663 Kraków, Poland; (J.W.); (E.P.)
- Correspondence: (K.B.-S.); (A.J.); (M.S.); Tel.: +48-(12)-664-6411 (A.J.); +48-(12)-658-2486 (M.S.); Fax: +48-(12)-658-1756 (M.S.)
| | - Joanna Włodek
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, 31-663 Kraków, Poland; (J.W.); (E.P.)
| | - Ewelina Pitera
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, 31-663 Kraków, Poland; (J.W.); (E.P.)
| | - Magdalena Kozakowska
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 31-007 Kraków, Poland; (M.K.); (A.K.-C.); (M.C.); (M.G.); (W.N.)
| | - Anna Konturek-Cieśla
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 31-007 Kraków, Poland; (M.K.); (A.K.-C.); (M.C.); (M.G.); (W.N.)
| | - Maciej Cieśla
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 31-007 Kraków, Poland; (M.K.); (A.K.-C.); (M.C.); (M.G.); (W.N.)
| | - Monika Gońka
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 31-007 Kraków, Poland; (M.K.); (A.K.-C.); (M.C.); (M.G.); (W.N.)
| | - Witold Nowak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 31-007 Kraków, Poland; (M.K.); (A.K.-C.); (M.C.); (M.G.); (W.N.)
| | - Aleksandra Wieczorek
- Pediatric, Oncology and Hematology Department, Institute of Pediatrics, Jagiellonian University Medical College, 30-387 Krakow, Poland; (A.W.); (K.P.-W.)
| | - Katarzyna Pawińska-Wąsikowska
- Pediatric, Oncology and Hematology Department, Institute of Pediatrics, Jagiellonian University Medical College, 30-387 Krakow, Poland; (A.W.); (K.P.-W.)
| | - Alicja Józkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 31-007 Kraków, Poland; (M.K.); (A.K.-C.); (M.C.); (M.G.); (W.N.)
- Correspondence: (K.B.-S.); (A.J.); (M.S.); Tel.: +48-(12)-664-6411 (A.J.); +48-(12)-658-2486 (M.S.); Fax: +48-(12)-658-1756 (M.S.)
| | - Maciej Siedlar
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, 31-663 Kraków, Poland; (J.W.); (E.P.)
- Correspondence: (K.B.-S.); (A.J.); (M.S.); Tel.: +48-(12)-664-6411 (A.J.); +48-(12)-658-2486 (M.S.); Fax: +48-(12)-658-1756 (M.S.)
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13
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Kopacz A, Klóska D, Werner E, Hajduk K, Grochot-Przęczek A, Józkowicz A, Piechota-Polańczyk A. A Dual Role of Heme Oxygenase-1 in Angiotensin II-Induced Abdominal Aortic Aneurysm in the Normolipidemic Mice. Cells 2021; 10:cells10010163. [PMID: 33467682 PMCID: PMC7830394 DOI: 10.3390/cells10010163] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/09/2021] [Accepted: 01/12/2021] [Indexed: 11/16/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) bears a high risk of rupture and sudden death of the patient. The pathogenic mechanisms of AAA remain elusive, and surgical intervention represents the only treatment option. Heme oxygenase-1 (HO-1), a heme degrading enzyme, is induced in AAA, both in mice and humans. HO-1 was reported to mitigate AAA development in an angiotensin II (AngII)-induced model of AAA in hyperlipidemic ApoE-/- mice. Since the role of hyperlipidaemia in the pathogenesis of AAA remains controversial, we aimed to evaluate the significance of HO-1 in the development and progression of AAA in normolipidemic animals. The experiments were performed in HO-1-deficient mice and their wild-type counterparts. We demonstrated in non-hypercholesterolemic mice that the high-dose of AngII leads to the efficient formation of AAA, which is attenuated by HO-1 deficiency. Yet, if formed, they are significantly more prone to rupture upon HO-1 shortage. Differential susceptibility to AAA formation does not rely on enhanced inflammatory response or oxidative stress. AAA-resistant mice are characterized by an increase in regulators of aortic remodeling and angiotensin receptor-2 expression, significant medial thickening, and delayed blood pressure elevation in response to AngII. To conclude, we unveil a dual role of HO-1 deficiency in AAA in normolipidemic mice, where it protects against AAA development, but exacerbates the state of formed AAA.
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Affiliation(s)
- Aleksandra Kopacz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-392 Krakow, Poland; (A.K.); (D.K.); (E.W.); (K.H.); (A.G.-P.); (A.J.)
| | - Damian Klóska
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-392 Krakow, Poland; (A.K.); (D.K.); (E.W.); (K.H.); (A.G.-P.); (A.J.)
| | - Ewa Werner
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-392 Krakow, Poland; (A.K.); (D.K.); (E.W.); (K.H.); (A.G.-P.); (A.J.)
- Department of Animal Reproduction, Anatomy and Genomic, Faculty of Animal Science, University of Agriculture, 30-059 Krakow, Poland
| | - Karolina Hajduk
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-392 Krakow, Poland; (A.K.); (D.K.); (E.W.); (K.H.); (A.G.-P.); (A.J.)
| | - Anna Grochot-Przęczek
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-392 Krakow, Poland; (A.K.); (D.K.); (E.W.); (K.H.); (A.G.-P.); (A.J.)
| | - Alicja Józkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-392 Krakow, Poland; (A.K.); (D.K.); (E.W.); (K.H.); (A.G.-P.); (A.J.)
| | - Aleksandra Piechota-Polańczyk
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-392 Krakow, Poland; (A.K.); (D.K.); (E.W.); (K.H.); (A.G.-P.); (A.J.)
- Correspondence:
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14
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Proximity Ligation Assay Detection of Protein-DNA Interactions-Is There a Link between Heme Oxygenase-1 and G-quadruplexes? Antioxidants (Basel) 2021; 10:antiox10010094. [PMID: 33445471 PMCID: PMC7827836 DOI: 10.3390/antiox10010094] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/23/2020] [Accepted: 01/07/2021] [Indexed: 01/12/2023] Open
Abstract
G-quadruplexes (G4) are stacked nucleic acid structures that are stabilized by heme. In cells, they affect DNA replication and gene transcription. They are unwound by several helicases but the composition of the repair complex and its heme sensitivity are unclear. We found that the accumulation of G-quadruplexes is affected by heme oxygenase-1 (Hmox1) expression, but in a cell-type-specific manner: hematopoietic stem cells (HSCs) from Hmox1−/− mice have upregulated expressions of G4-unwinding helicases (e.g., Brip1, Pif1) and show weaker staining for G-quadruplexes, whereas Hmox1-deficient murine induced pluripotent stem cells (iPSCs), despite the upregulation of helicases, have more G-quadruplexes, especially after exposure to exogenous heme. Using iPSCs expressing only nuclear or only cytoplasmic forms of Hmox1, we found that nuclear localization promotes G4 removal. We demonstrated that the proximity ligation assay (PLA) can detect cellular co-localization of G-quadruplexes with helicases, as well as with HMOX1, suggesting the potential role of HMOX1 in G4 modifications. However, this colocalization does not mean a direct interaction was detectable using the immunoprecipitation assay. Therefore, we concluded that HMOX1 influences G4 accumulation, but rather as one of the proteins regulating the heme availability, not as a rate-limiting factor. It is noteworthy that cellular G4–protein colocalizations can be quantitatively analyzed using PLA, even in rare cells.
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Abstract
PURPOSE OF REVIEW The hematopoietic compartment is tasked with the establishment and maintenance of the entire blood program in steady-state and in response to stress. Key to this process are hematopoietic stem cells (HSCs), which possess the unique ability to self-renew and differentiate to replenish blood cells throughout an organism's lifetime. Though tightly regulated, the hematopoietic system is vulnerable to both intrinsic and extrinsic factors that influence hematopoietic stem and progenitor cell (HSPC) fate. Here, we review recent advances in our understanding of hematopoietic regulation under stress conditions such as inflammation, aging, mitochondrial defects, and damage to DNA or endoplasmic reticulum. RECENT FINDINGS Recent studies have illustrated the vast mechanisms involved in regulating stress-induced hematopoiesis, including cytokine-mediated lineage bias, gene signature changes in aged HSCs associated with chronic inflammation, the impact of clonal hematopoiesis and stress tolerance, characterization of the HSPC response to endoplasmic reticulum stress and of several epigenetic regulators that influence HSPC response to cell cycle stress. SUMMARY Several key recent findings have deepened our understanding of stress hematopoiesis. These studies will advance our abilities to reduce the impact of stress in disease and aging through clinical interventions to treat stress-related outcomes.
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Papadopoulos KI, Sutheesophon W, Manipalviratn S, Aw TC. A Southeast Asian Perspective on the COVID-19 Pandemic: Hemoglobin E (HbE)-Trait Confers Resistance Against COVID-19. Med Sci Monit Basic Res 2021; 27:e929207. [PMID: 33397841 PMCID: PMC7796072 DOI: 10.12659/msmbr.929207] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
As of November 25, 2020, over 60 million people have been infected worldwide by COVID-19, causing almost 1.43 million deaths. Puzzling low incidence numbers and milder, non-fatal disease have been observed in Thailand and its Southeast (SE) Asian neighbors. Elusive genetic mechanisms might be operative, as a multitude of genetic factors are widely shared between the SE Asian populations, such as the more than 60 different thalassemia syndromes (principally dominated by the HbE trait). In this study, we have plotted COVID-19 infection and death rates in SE Asian (SEA) countries against heterozygote HbE and thalassemia carrier prevalence. COVID-19 infection and death incidence numbers appear inversely correlated with the prevalence of HbE and thalassemia heterozygote populations. We posit that the evolutionary protective effect of the HbE and other thalassemic variants against malaria and the dengue virus may extend its advantage to resistance to COVID-19 infection, as HbE heterozygote population prevalence appears to be positively correlated with immunity to COVID-19. Host immune system modulations induce antiviral interferon responses and alter structural protein integrity, thereby inhibiting cellular access and viral replication. These changes are possibly engendered by HbE carrier miRNAs. Proving this hypothesis is important, as it may shed light on the mechanism of viral resistance and lead to novel antiviral treatments. This development can thus guide decision-making and action to prevent COVID-19 infection.
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Affiliation(s)
| | | | - Somjate Manipalviratn
- Department of Reproductive Endocrinology, Jetanin Institute for Assisted Reproduction, Bangkok, Thailand
| | - Tar-Choon Aw
- Department of Laboratory Medicine, Changi General Hospital, Singapore, Singapore
- Department of Medicine, National University of Singapore, Singapore Singapore
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Bednarz A, Lipiński P, Starzyński RR, Tomczyk M, Kraszewska I, Herman S, Kowalski K, Gruca E, Jończy A, Mazgaj R, Szudzik M, Rajfur Z, Baster Z, Józkowicz A, Lenartowicz M. Exacerbation of Neonatal Hemolysis and Impaired Renal Iron Handling in Heme Oxygenase 1-Deficient Mice. Int J Mol Sci 2020; 21:ijms21207754. [PMID: 33092142 PMCID: PMC7589678 DOI: 10.3390/ijms21207754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/15/2020] [Accepted: 10/16/2020] [Indexed: 01/03/2023] Open
Abstract
In most mammals, neonatal intravascular hemolysis is a benign and moderate disorder that usually does not lead to anemia. During the neonatal period, kidneys play a key role in detoxification and recirculation of iron species released from red blood cells (RBC) and filtered out by glomeruli to the primary urine. Activity of heme oxygenase 1 (HO1), a heme-degrading enzyme localized in epithelial cells of proximal tubules, seems to be of critical importance for both processes. We show that, in HO1 knockout mouse newborns, hemolysis was prolonged despite a transient state and exacerbated, which led to temporal deterioration of RBC status. In neonates lacking HO1, functioning of renal molecular machinery responsible for iron reabsorption from the primary urine (megalin/cubilin complex) and its transfer to the blood (ferroportin) was either shifted in time or impaired, respectively. Those abnormalities resulted in iron loss from the body (excreted in urine) and in iron retention in the renal epithelium. We postulate that, as a consequence of these abnormalities, a tight systemic iron balance of HO1 knockout neonates may be temporarily affected.
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Affiliation(s)
- Aleksandra Bednarz
- Department of Genetics and Evolution, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland; (A.B.); (S.H.); (K.K.); (E.G.)
| | - Paweł Lipiński
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland; (P.L.); (R.R.S.); (A.J.); (R.M.); (M.S.)
| | - Rafał R. Starzyński
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland; (P.L.); (R.R.S.); (A.J.); (R.M.); (M.S.)
| | - Mateusz Tomczyk
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland; (M.T.); (I.K.); (A.J.)
| | - Izabela Kraszewska
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland; (M.T.); (I.K.); (A.J.)
| | - Sylwia Herman
- Department of Genetics and Evolution, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland; (A.B.); (S.H.); (K.K.); (E.G.)
| | - Kacper Kowalski
- Department of Genetics and Evolution, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland; (A.B.); (S.H.); (K.K.); (E.G.)
| | - Ewelina Gruca
- Department of Genetics and Evolution, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland; (A.B.); (S.H.); (K.K.); (E.G.)
| | - Aneta Jończy
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland; (P.L.); (R.R.S.); (A.J.); (R.M.); (M.S.)
| | - Rafał Mazgaj
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland; (P.L.); (R.R.S.); (A.J.); (R.M.); (M.S.)
| | - Mateusz Szudzik
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland; (P.L.); (R.R.S.); (A.J.); (R.M.); (M.S.)
| | - Zenon Rajfur
- Department of Molecular and Interfacial Biophysics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków, Poland; (Z.R.); (Z.B.)
| | - Zbigniew Baster
- Department of Molecular and Interfacial Biophysics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków, Poland; (Z.R.); (Z.B.)
| | - Alicja Józkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland; (M.T.); (I.K.); (A.J.)
| | - Małgorzata Lenartowicz
- Department of Genetics and Evolution, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland; (A.B.); (S.H.); (K.K.); (E.G.)
- Correspondence:
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18
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Anselmino N, Starbuck M, Labanca E, Cotignola J, Navone N, Gueron G, Zenclussen AC, Vazquez E. Heme Oxygenase-1 Is a Pivotal Modulator of Bone Turnover and Remodeling: Molecular Implications for Prostate Cancer Bone Metastasis. Antioxid Redox Signal 2020; 32:1243-1258. [PMID: 31861963 PMCID: PMC7232646 DOI: 10.1089/ars.2019.7879] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/10/2019] [Accepted: 12/18/2019] [Indexed: 01/28/2023]
Abstract
Aims: Bone is the most frequent site of prostate cancer (PCa) metastasis. Tumor cells interact with the bone microenvironment interrupting tissue balance. Heme oxygenase-1 (HO-1; encoded by Hmox1) appears as a potential target in PCa maintaining the cellular homeostasis. Our hypothesis is that HO-1 is implicated in bone physiology and modulates the communication with PCa cells. Here we aimed at (i) assessing the physiological impact of Hmox1 gene knockout (KO) on bone metabolism in vivo and (ii) determining the alterations of the transcriptional landscape associated with tumorigenesis and bone remodeling in cells growing in coculture (PCa cells with primary mouse osteoblasts [PMOs] from BALB/c Hmox1+/+, Hmox1+/-, and Hmox1-/- mice). Results: Histomorphometric analysis of Hmox1-/- mice bones exhibited significantly decreased bone density with reduced remodeling parameters. A positive correlation between Hmox1 expression and Runx2, Col1a1, Csf1, and Opg genes was observed in PMOs. Flow cytometry studies revealed two populations of PMOs with different reactive oxygen species (ROS) levels. The high ROS population was increased in PMOs Hmox1+/- compared with Hmox1+/+, but was significantly reduced in PMOs Hmox1-/-, suggesting restrained ROS tolerance in KO cells. Gene expression was altered in PMOs upon coculture with PCa cells, showing a pro-osteoclastic profile. Moreover, HO-1 induction in PCa cells growing in coculture with PMOs resulted in a significant modulation of key bone markers such as PTHrP and OPG. Innovation and Conclusion: We here demonstrate the direct implications of HO-1 expression in bone remodeling and how it participates in the alterations in the communication between bone and prostate tumor cells.
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Affiliation(s)
- Nicolás Anselmino
- Laboratorio de inflamación y Cáncer, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), CONICET—Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Michael Starbuck
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Estefania Labanca
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Javier Cotignola
- Laboratorio de inflamación y Cáncer, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), CONICET—Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Nora Navone
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Geraldine Gueron
- Laboratorio de inflamación y Cáncer, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), CONICET—Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Ana C. Zenclussen
- Experimental Obstetrics and Gynecology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Elba Vazquez
- Laboratorio de inflamación y Cáncer, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), CONICET—Universidad de Buenos Aires, Buenos Aires, Argentina
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19
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Chen Z, Vong CT, Gao C, Chen S, Wu X, Wang S, Wang Y. Bilirubin Nanomedicines for the Treatment of Reactive Oxygen Species (ROS)-Mediated Diseases. Mol Pharm 2020; 17:2260-2274. [PMID: 32433886 DOI: 10.1021/acs.molpharmaceut.0c00337] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Reactive oxygen species (ROS) are chemically reactive species that are produced in cellular aerobic metabolism. They mainly include superoxide anion, hydrogen peroxide, hydroxyl radicals, singlet oxygen, ozone, and nitric oxide and are implicated in many physiological and pathological processes. Bilirubin, a cardinal pigment in the bile, has been increasingly investigated to treat cancer, diabetes, ischemia-reperfusion injury, asthma, and inflammatory bowel diseases (IBD). Indeed, bilirubin has been shown to eliminate ROS production, so it is now considered as a promising therapeutic agent for ROS-mediated diseases and can be used for the development of antioxidative nanomedicines. This review summarizes the current knowledge of the physiological mechanisms of ROS production and its role in pathological changes and focuses on discussing the antioxidative effects of bilirubin and its application in the experimental studies of nanomedicines. Previous studies have shown that bilirubin was mainly used as a responsive molecule in the microenvironment of ROS overproduction in neoplastic tissues for the development of anticancer nanodrugs; however, it could also exert powerful ROS scavenging activity in chronic inflammation and ischemia-reperfusion injury. Therefore, bilirubin, as an inartificial ROS scavenger, is expected to be used for the development of nanomedicines against more diseases due to the universality of ROS involvement in human pathological conditions.
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Affiliation(s)
- Zhejie Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999087, China
| | - Chi Teng Vong
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999087, China
| | - Caifang Gao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999087, China
| | - Shiyun Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999087, China
| | - Xu Wu
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Shengpeng Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999087, China
| | - Yitao Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999087, China
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