1
|
Ray A, Rai Y, Inamdar MS. The Endosomal Sorting Complex, ESCRT, has diverse roles in blood progenitor maintenance, lineage choice and immune response. Biol Open 2024; 13:bio060412. [PMID: 38828842 PMCID: PMC11212638 DOI: 10.1242/bio.060412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 05/15/2024] [Indexed: 06/05/2024] Open
Abstract
Most hematological malignancies are associated with reduced expression of one or more components of the Endosomal Sorting Complex Required for Transport (ESCRT). However, the roles of ESCRT in stem cell and progenitor maintenance are not resolved. Parsing signaling pathways in relation to the canonical role of ESCRT poses a challenge. The Drosophila hematopoietic organ, the larval lymph gland, provides a path to dissect the roles of cellular trafficking pathways such as ESCRT in blood development and maintenance. Drosophila has 13 core ESCRT components. Knockdown of individual ESCRTs showed that only Vps28 and Vp36 were required in all lymph gland progenitors. Using the well-conserved ESCRT-II complex as an example of the range of phenotypes seen upon ESCRT depletion, we show that ESCRTs have cell-autonomous as well as non-autonomous roles in progenitor maintenance and differentiation. ESCRT depletion also sensitized posterior lobe progenitors to respond to immunogenic wasp infestation. We also identify key heterotypic roles for ESCRT in position-dependent control of Notch activation to suppress crystal cell differentiation. Our study shows that the cargo sorting machinery determines the identity of progenitors and their adaptability to the dynamic microenvironment. These mechanisms for control of cell fate may tailor developmental diversity in multiple contexts.
Collapse
Affiliation(s)
- Arindam Ray
- Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India
| | - Yashashwinee Rai
- Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India
| | - Maneesha S. Inamdar
- Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India
- Institute for Stem Cell Science and Regenerative Medicine (DBT-inStem), GKVK Post, Bellary Road, Bangalore 560065, India
| |
Collapse
|
2
|
Li Z, Su M, Xie X, Wang P, Bi H, Li E, Ren K, Dong L, Lv Z, Ma X, Liu Y, Zhao B, Peng Y, Liu J, Liu L, Yang J, Ji P, Mei Y. mDia formins form hetero-oligomers and cooperatively maintain murine hematopoiesis. PLoS Genet 2023; 19:e1011084. [PMID: 38157491 PMCID: PMC10756686 DOI: 10.1371/journal.pgen.1011084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 11/22/2023] [Indexed: 01/03/2024] Open
Abstract
mDia formin proteins regulate the dynamics and organization of the cytoskeleton through their linear actin nucleation and polymerization activities. We previously showed that mDia1 deficiency leads to aberrant innate immune activation and induces myelodysplasia in a mouse model, and mDia2 regulates enucleation and cytokinesis of erythroblasts and the engraftment of hematopoietic stem and progenitor cells (HSPCs). However, whether and how mDia formins interplay and regulate hematopoiesis under physiological and stress conditions remains unknown. Here, we found that both mDia1 and mDia2 are required for HSPC regeneration under stress, such as serial plating, aging, and reconstitution after myeloid ablation. We showed that mDia1 and mDia2 form hetero-oligomers through the interactions between mDia1 GBD-DID and mDia2 DAD domains. Double knockout of mDia1 and mDia2 in hematopoietic cells synergistically impaired the filamentous actin network and serum response factor-involved transcriptional signaling, which led to declined HSPCs, severe anemia, and significant mortality in neonates and newborn mice. Our data demonstrate the potential roles of mDia hetero-oligomerization and their non-rodent functions in the regulation of HSPCs activity and orchestration of hematopoiesis.
Collapse
Affiliation(s)
- Zhaofeng Li
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Meng Su
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Xinshu Xie
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Pan Wang
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Honghao Bi
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Ermin Li
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Kehan Ren
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Lili Dong
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Zhiyi Lv
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Xuezhen Ma
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Yijie Liu
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Baobing Zhao
- Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Yuanliang Peng
- Department of Hematology, the Second Xiangya Hospital; Molecular Biology Research Center, School of Life Sciences; Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University; Changsha, China
| | - Jing Liu
- Department of Hematology, the Second Xiangya Hospital; Molecular Biology Research Center, School of Life Sciences; Hunan Province Key Laboratory of Basic and Applied Hematology, Central South University; Changsha, China
| | - Lu Liu
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Jing Yang
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Peng Ji
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Yang Mei
- Hunan Provincial Key Laboratory of Animal Model and Molecular Medicine, Hunan University, Changsha, China
- School of Biomedical Sciences, Hunan University, Changsha, China
| |
Collapse
|
3
|
Ginzburg Y, An X, Rivella S, Goldfarb A. Normal and dysregulated crosstalk between iron metabolism and erythropoiesis. eLife 2023; 12:e90189. [PMID: 37578340 PMCID: PMC10425177 DOI: 10.7554/elife.90189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 08/06/2023] [Indexed: 08/15/2023] Open
Abstract
Erythroblasts possess unique characteristics as they undergo differentiation from hematopoietic stem cells. During terminal erythropoiesis, these cells incorporate large amounts of iron in order to generate hemoglobin and ultimately undergo enucleation to become mature red blood cells, ultimately delivering oxygen in the circulation. Thus, erythropoiesis is a finely tuned, multifaceted process requiring numerous properly timed physiological events to maintain efficient production of 2 million red blood cells per second in steady state. Iron is required for normal functioning in all human cells, the erythropoietic compartment consuming the majority in light of the high iron requirements for hemoglobin synthesis. Recent evidence regarding the crosstalk between erythropoiesis and iron metabolism sheds light on the regulation of iron availability by erythroblasts and the consequences of insufficient as well as excess iron on erythroid lineage proliferation and differentiation. In addition, significant progress has been made in our understanding of dysregulated iron metabolism in various congenital and acquired malignant and non-malignant diseases. Finally, we report several actual as well as theoretical opportunities for translating the recently acquired robust mechanistic understanding of iron metabolism regulation to improve management of patients with disordered erythropoiesis, such as anemia of chronic inflammation, β-thalassemia, polycythemia vera, and myelodysplastic syndromes.
Collapse
Affiliation(s)
- Yelena Ginzburg
- Division of Hematology and Medical Oncology, The Tisch Cancer Institute, Icahn School of Medicine at Mount SinaiNew YorkUnited States
| | - Xiuli An
- LFKRI, New York Blood CenterNew YorkUnited States
| | - Stefano Rivella
- Department of Pediatrics, Division of Hematology, The Children’s Hospital of PhiladelphiaPhiladelphiaUnited States
- Cell and Molecular Biology affinity group (CAMB), University of PennsylvaniaPhiladelphiaUnited States
- Raymond G. Perelman Center for Cellular and Molecular Therapeutics at the Children’s Hospital of PhiladelphiaPhiladelphiaUnited States
- Penn Center for Musculoskeletal Disorders at the Children’s Hospital of PhiladelphiaPhiladelphiaUnited States
- Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
- Institute for Regenerative Medicine at University of PennsylvaniaPhiladelphiaUnited States
- RNA Institute at University of PennsylvaniaPhiladelphiaUnited States
| | - Adam Goldfarb
- Department of Pathology, University of VirginiaCharlottesvilleUnited States
| |
Collapse
|
4
|
Lu Y, Ma WB, Ren GM, Liu X, Li YT, Wang T, Zhan YQ, Xiang SS, Yu M, Li CY, Yang XM, Yin RH. VPS37C facilitates erythroid differentiation by promoting EKLF stability. Biochem Biophys Res Commun 2023; 671:229-235. [PMID: 37307706 DOI: 10.1016/j.bbrc.2023.06.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 05/26/2023] [Accepted: 06/06/2023] [Indexed: 06/14/2023]
Abstract
The process of erythroid differentiation is orchestrated at the molecular level by a complex network of transcription factors. Erythroid Krüppel-like factor (EKLF/KLF1) is a master erythroid gene regulator that directly regulates most aspects of terminal erythroid differentiation. However, the underlying regulatory mechanisms of EKLF protein stability are still largely unknown. In this study, we identified Vacuolar protein sorting 37 C (VPS37C), a core subunit of the Endosomal sorting complex required for transport-I (ESCRT-I) complex, as an essential regulator of EKLF stability. Our study showed that VPS37C interacts with EKLF and prevents K48-linked polyubiquitination of EKLF and proteasome-mediated EKLF degradation, thus enhancing EKLF protein stability and transcriptional activity. VPS37C overexpression in murine erythroleukemia (MEL) cells promotes hexamethylene bisacetamide (HMBA)-induced erythroid differentiation manifested by up-regulating erythroid-specific EKLF target genes and increasing benzidine-positive cells. In contrast, VPS37C knockdown inhibits HMBA-induced MEL cell erythroid differentiation. Particularly, the restoration of EKLF expression in VPS37C-knockdown MEL cells reverses erythroid-specific gene expression and hemoglobin production. Collectively, our study demonstrated VPS37C is a novel regulator of EKLF ubiquitination and degradation, which plays a positive role in erythroid differentiation of MEL cells by enhancing EKLF protein stability.
Collapse
Affiliation(s)
- Ying Lu
- College of Life Science and Bioengineering, Faculty of Environmental and Life Sciences, Beijing University of Technology, Beijing, 100124, China; State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Wen-Bing Ma
- Institute of Health Service and Transfusion Medicine, Beijing, 100850, China
| | - Guang-Ming Ren
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Xian Liu
- Institute of Health Service and Transfusion Medicine, Beijing, 100850, China
| | - Ya-Ting Li
- College of Life Science and Bioengineering, Faculty of Environmental and Life Sciences, Beijing University of Technology, Beijing, 100124, China; State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Ting Wang
- College of Life Science and Bioengineering, Faculty of Environmental and Life Sciences, Beijing University of Technology, Beijing, 100124, China; State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Yi-Qun Zhan
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Shen-Si Xiang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Miao Yu
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Chang-Yan Li
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Xiao-Ming Yang
- College of Life Science and Bioengineering, Faculty of Environmental and Life Sciences, Beijing University of Technology, Beijing, 100124, China; State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China.
| | - Rong-Hua Yin
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Radiation Medicine, Beijing, 100850, China.
| |
Collapse
|
5
|
Han X, Mei Y, Mishra RK, Bi H, Jain AD, Schiltz GE, Zhao B, Sukhanova M, Wang P, Grigorescu AA, Weber PC, Piwinski JJ, Prado MA, Paulo JA, Stephens L, Anderson KE, Abrams CS, Yang J, Ji P. Targeting pleckstrin-2/Akt signaling reduces proliferation in myeloproliferative neoplasm models. J Clin Invest 2023; 133:159638. [PMID: 36719747 PMCID: PMC10014099 DOI: 10.1172/jci159638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 01/25/2023] [Indexed: 02/01/2023] Open
Abstract
Myeloproliferative neoplasms (MPNs) are characterized by the activated JAK2/STAT pathway. Pleckstrin-2 (Plek2) is a downstream target of the JAK2/STAT5 pathway and is overexpressed in patients with MPNs. We previously revealed that Plek2 plays critical roles in the pathogenesis of JAK2-mutated MPNs. The nonessential roles of Plek2 under physiologic conditions make it an ideal target for MPN therapy. Here, we identified first-in-class Plek2 inhibitors through an in silico high-throughput screening approach and cell-based assays, followed by the synthesis of analogs. Plek2-specific small-molecule inhibitors showed potent inhibitory effects on cell proliferation. Mechanistically, Plek2 interacts with and enhances the activity of Akt through the recruitment of downstream effector proteins. The Plek2-signaling complex also includes Hsp72, which protects Akt from degradation. These functions were blocked by Plek2 inhibitors via their direct binding to the Plek2 dishevelled, Egl-10 and pleckstrin (DEP) domain. The role of Plek2 in activating Akt signaling was further confirmed in vivo using a hematopoietic-specific Pten-knockout mouse model. We next tested Plek2 inhibitors alone or in combination with an Akt inhibitor in various MPN mouse models, which showed significant therapeutic efficacies similar to that seen with the genetic depletion of Plek2. The Plek2 inhibitor was also effective in reducing proliferation of CD34-positive cells from MPN patients. Our studies reveal a Plek2/Akt complex that drives cell proliferation and can be targeted by a class of antiproliferative compounds for MPN therapy.
Collapse
Affiliation(s)
- Xu Han
- Department of Pathology, Feinberg School of Medicine.,Robert H. Lurie Comprehensive Cancer Center
| | - Yang Mei
- Department of Pathology, Feinberg School of Medicine.,Robert H. Lurie Comprehensive Cancer Center
| | - Rama K Mishra
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine
| | - Honghao Bi
- Department of Pathology, Feinberg School of Medicine.,Robert H. Lurie Comprehensive Cancer Center
| | | | - Gary E Schiltz
- Robert H. Lurie Comprehensive Cancer Center.,Department of Chemistry, and.,Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Baobing Zhao
- Department of Pathology, Feinberg School of Medicine.,Robert H. Lurie Comprehensive Cancer Center
| | - Madina Sukhanova
- Department of Pathology, Feinberg School of Medicine.,Robert H. Lurie Comprehensive Cancer Center
| | - Pan Wang
- Department of Pathology, Feinberg School of Medicine
| | - Arabela A Grigorescu
- Department of Molecular Biosciences, Weinberg College of Arts & Sciences, Northwestern University, Evanston, Illinois, USA
| | | | | | - Miguel A Prado
- Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Joao A Paulo
- Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Len Stephens
- Signaling Programme, The Babraham Institute, Cambridge, United Kingdom
| | - Karen E Anderson
- Signaling Programme, The Babraham Institute, Cambridge, United Kingdom
| | - Charles S Abrams
- Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jing Yang
- Department of Pathology, Feinberg School of Medicine.,Robert H. Lurie Comprehensive Cancer Center
| | - Peng Ji
- Department of Pathology, Feinberg School of Medicine.,Robert H. Lurie Comprehensive Cancer Center
| |
Collapse
|
6
|
Zhang Y, Shi L, Yang K, Liu X, Lv X. Transglutaminase 2 regulates terminal erythroid differentiation via cross-linking activity. Front Cell Dev Biol 2023; 11:1183176. [PMID: 37169024 PMCID: PMC10164954 DOI: 10.3389/fcell.2023.1183176] [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: 03/09/2023] [Accepted: 04/14/2023] [Indexed: 05/13/2023] Open
Abstract
Transglutaminase 2 (TGM2) is a versatile enzyme that modulates cell survival and differentiation. However, its role in terminal erythroid differentiation is poorly understood. In this study, we investigated the function of TGM2 in primary fetal liver erythroid differentiation. We predicted TGM2 as an upstream regulator via ingenuity pathway analysis (IPA), and found that its expression was increased at both RNA and protein level during terminal erythroid differentiation. TGM2 cross-linking activity inhibitors GK921 and Z-DON suppressed erythroid maturation and enucleation, while its GTPase inhibitor LDN27219 had no such effect. Z-DON treatment arrested differentiation at basophilic erythroblast stage, and interfered with cell cycle progression. RT-PCR demonstrated decreased GATA-1 and KLF1, and disarranged cyclin, CDKI and E2F family genes expression after Z-DON treatment. In conclusion, TGM2 regulates terminal erythroid differentiation through its cross-linking enzyme activity.
Collapse
Affiliation(s)
- Yingying Zhang
- State Key Laboratory of Medical Molecular Biology, Haihe Laboratory of Cell Ecosystem, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Lifang Shi
- State Key Laboratory of Medical Molecular Biology, Haihe Laboratory of Cell Ecosystem, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Changping Center for Disease Control and Prevention, Beijing, China
| | - Ke Yang
- State Key Laboratory of Medical Molecular Biology, Haihe Laboratory of Cell Ecosystem, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xuehui Liu
- State Key Laboratory of Medical Molecular Biology, Haihe Laboratory of Cell Ecosystem, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- *Correspondence: Xuehui Liu, ; Xiang Lv,
| | - Xiang Lv
- State Key Laboratory of Medical Molecular Biology, Haihe Laboratory of Cell Ecosystem, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- *Correspondence: Xuehui Liu, ; Xiang Lv,
| |
Collapse
|
7
|
Mei Y, Ren K, Liu Y, Ma A, Xia Z, Han X, Li E, Tariq H, Bao H, Xie X, Zou C, Zhang D, Li Z, Dong L, Verma A, Lu X, Abaza Y, Altman JK, Sukhanova M, Yang J, Ji P. Bone marrow confined IL-6 signaling mediates the progression of myelodysplastic syndromes to acute myeloid leukemia. J Clin Invest 2022; 132:152673. [PMID: 35900794 PMCID: PMC9435651 DOI: 10.1172/jci152673] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 07/14/2022] [Indexed: 11/17/2022] Open
Abstract
Myelodysplastic syndromes (MDS) are age-related myeloid neoplasms with increased risk of progression to acute myeloid leukemia (AML). The mechanisms of transformation of MDS to AML are poorly understood, especially in relation to the aging microenvironment. We previously established an mDia1/miR-146a double knockout (DKO) mouse model phenocopying MDS. These mice develop age-related pancytopenia with oversecretion of proinflammatory cytokines. Here, we found that most of the DKO mice underwent leukemic transformation at 12–14 months of age. These mice showed myeloblast replacement of fibrotic bone marrow and widespread leukemic infiltration. Strikingly, depletion of IL-6 in these mice largely rescued the leukemic transformation and markedly extended survival. Single-cell RNA sequencing analyses revealed that DKO leukemic mice had increased monocytic blasts that were reduced with IL-6 knockout. We further revealed that the levels of surface and soluble IL-6 receptor (IL-6R) in the bone marrow were significantly increased in high-risk MDS patients. Similarly, IL-6R was also highly expressed in older DKO mice. Blocking of IL-6 signaling significantly ameliorated AML progression in the DKO model and clonogenicity of CD34-positive cells from MDS patients. Our study establishes a mouse model of progression of age-related MDS to AML and indicates the clinical significance of targeting IL-6 signaling in treating high-risk MDS.
Collapse
Affiliation(s)
- Yang Mei
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, United States of America
| | - Kehan Ren
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, United States of America
| | - Yijie Liu
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, United States of America
| | - Annabel Ma
- Department of Pathology, Northwestern University, Chicago, United States of America
| | - Zongjun Xia
- Department of Pathology, Northwestern University, Chicago, United States of America
| | - Xu Han
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, United States of America
| | - Ermin Li
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, United States of America
| | - Hamza Tariq
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, United States of America
| | - Haiyan Bao
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, United States of America
| | - Xinshu Xie
- School of Biomedical Sciences, Hunan University, Changsha, China
| | - Cheng Zou
- Biology, Hunan University, Changsha, China
| | | | | | - Lili Dong
- Biology, Hunan University, Changsha, China
| | - Amit Verma
- Department of Medicine, Albert Einstein College of Medicine, New York, United States of America
| | - Xinyan Lu
- Pathology, Northwestern University, Chicago, United States of America
| | - Yasmin Abaza
- Medicine, Northwestern University, Chicago, United States of America
| | - Jessica K Altman
- Medicine, Feinberg School of Medicine Northwestern University, Chicago, United States of America
| | - Madina Sukhanova
- Pathology, Feinberg School of Medicine Northwestern University, Chicago, United States of America
| | - Jing Yang
- Pathology, Northwestern University, Chicago, United States of America
| | - Peng Ji
- Pathology, Northwestern University, Chicago, United States of America
| |
Collapse
|
8
|
Ren K, Li E, Ji P. Proteome remodeling and organelle clearance in mammalian terminal erythropoiesis. Curr Opin Hematol 2022; 29:137-143. [PMID: 35441599 DOI: 10.1097/moh.0000000000000707] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW The differentiation from colony forming unit-erythroid (CFU-E) cells to mature enucleated red blood cells is named terminal erythropoiesis in mammals. Apart from enucleation, several unique features during these developmental stages include proteome remodeling and organelle clearance that are important to achieve hemoglobin enrichment. Here, we review the recent advances in the understanding of novel regulatory mechanisms in these processes, focusing on the master regulators that link these major events during terminal erythropoiesis. RECENT FINDINGS Comprehensive proteomic studies revealed a mismatch of protein abundance to their corresponding transcript abundance, which indicates that the proteome remodeling is regulated in a complex way from transcriptional control to posttranslational modifications. Key regulators in organelle clearance were also found to play critical roles in proteome remodeling. SUMMARY These studies demonstrate that the complexity of terminal erythropoiesis is beyond the conventional transcriptomic centric perspective. Posttranslational modifications such as ubiquitination are critical in terminal erythroid proteome remodeling that is also closely coupled with organelle clearance.
Collapse
Affiliation(s)
- Kehan Ren
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | | | | |
Collapse
|
9
|
Lu Z, Huang L, Li Y, Xu Y, Zhang R, Zhou Q, Sun Q, Lu Y, Chen J, Shen Y, Li J, Zhao B. Fine-Tuning of Cholesterol Homeostasis Controls Erythroid Differentiation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102669. [PMID: 34739188 PMCID: PMC8805577 DOI: 10.1002/advs.202102669] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 10/01/2021] [Indexed: 05/12/2023]
Abstract
Lipid metabolism is essential for stemness maintenance, self-renewal, and differentiation of stem cells, however, the regulatory function of cholesterol metabolism in erythroid differentiation is poorly studied. In the present study, a critical role for cholesterol homeostasis in terminal erythropoiesis is uncovered. The master transcriptional factor GATA1 binds to Sterol-regulatory element binding protein 2 (SREBP2) to downregulate cholesterol biosynthesis, leading to a gradual reduction in intracellular cholesterol levels. It is further shown that reduced cholesterol functions to block erythroid proliferation via the cholesterol/mTORC1/ribosome biogenesis axis, which coordinates cell cycle exit in the late stages of erythroid differentiation. The interaction of GATA1 and SREBP2 also provides a feedback loop for regulating globin expression through the transcriptional control of NFE2 by SREBP2. Importantly, it is shown that disrupting intracellular cholesterol hemostasis resulted in defect of terminal erythroid differentiation in vivo. These findings demonstrate that fine-tuning of cholesterol homeostasis emerges as a key mechanism for regulating erythropoiesis.
Collapse
Affiliation(s)
- Zhiyuan Lu
- Key Laboratory of Chemical Biology (Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Lixia Huang
- Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Yanxia Li
- Key Laboratory of Chemical Biology (Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Yan Xu
- Key Laboratory of Chemical Biology (Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Ruihao Zhang
- Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Qian Zhou
- Key Laboratory of Chemical Biology (Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Qi Sun
- Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Yi Lu
- Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Junjie Chen
- Analysis and Measurement CenterSchool of Pharmaceutical SciencesXiamen UniversityXiamenFujian361001China
| | - Yuemao Shen
- Key Laboratory of Chemical Biology (Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Jian Li
- Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Baobing Zhao
- Key Laboratory of Chemical Biology (Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
- Department of PharmacologySchool of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012China
| |
Collapse
|
10
|
Lunati A, Petit A, Lapillonne H, Gameiro C, Saillour V, Garel C, Doummar D, Qebibo L, Aissat A, Fanen P, Bartolucci P, Galactéros F, Funalot B, Burglen L, Mansour‐Hendili L. VPS4A mutation in syndromic congenital hemolytic anemia without obvious signs of dyserythropoiesis. Am J Hematol 2021; 96:E121-E123. [PMID: 33460484 DOI: 10.1002/ajh.26099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 11/09/2022]
Affiliation(s)
- Ariane Lunati
- Département de Génétique, AP‐HP Hôpitaux Universitaires Henri Mondor Créteil France
- Université Paris Est Créteil, INSERM, IMRB Créteil France
| | - Arnaud Petit
- Sorbonne Université, AP‐HP, Hôpital Trousseau, Service d'hématologie et d'oncologie pédiatrique Paris France
| | - Hélène Lapillonne
- Service d'hématologie biologique, AP‐HP, Hôpital Trousseau Paris France
| | - Christine Gameiro
- Département de Génétique, AP‐HP Hôpitaux Universitaires Henri Mondor Créteil France
| | - Virginie Saillour
- Laboratoire de biologie médicale multisites Seqoia – FMG2025 Paris France
| | | | - Diane Doummar
- Sorbonne Université, Service de Neuropédiatrie, centre de référence neurogénétique, AP‐HP, Hôpital Armand Trousseau, Fédération Universitaire I2D2 Paris France
| | - Leila Qebibo
- Centre de Référence des Malformations et Maladies Congénitales du Cervelet, Département de Génétique AP‐HP, Sorbonne Université, Hôpital Trousseau Paris France
| | - Abdelrazak Aissat
- Département de Génétique, AP‐HP Hôpitaux Universitaires Henri Mondor Créteil France
- Université Paris Est Créteil, INSERM, IMRB Créteil France
| | - Pascale Fanen
- Département de Génétique, AP‐HP Hôpitaux Universitaires Henri Mondor Créteil France
- Université Paris Est Créteil, INSERM, IMRB Créteil France
| | - Pablo Bartolucci
- Sickle Cell Referral Center – UMGGR, AP‐HP, Hôpitaux Universitaires Henri Mondor Créteil France
- Université Paris Est Créteil, IMRB Equipe Pirenne, Laboratoire d'excellence LABEX GRex Créteil France
| | - Fréderic Galactéros
- Sickle Cell Referral Center – UMGGR, AP‐HP, Hôpitaux Universitaires Henri Mondor Créteil France
- Université Paris Est Créteil, IMRB Equipe Pirenne, Laboratoire d'excellence LABEX GRex Créteil France
| | - Benoit Funalot
- Département de Génétique, AP‐HP Hôpitaux Universitaires Henri Mondor Créteil France
- Université Paris Est Créteil, INSERM, IMRB Créteil France
- Laboratoire de biologie médicale multisites Seqoia – FMG2025 Paris France
| | - Lydie Burglen
- Laboratoire de biologie médicale multisites Seqoia – FMG2025 Paris France
- Centre de Référence des Malformations et Maladies Congénitales du Cervelet, Département de Génétique AP‐HP, Sorbonne Université, Hôpital Trousseau Paris France
- Developmental Brain Disorders Laboratory Institut Imagine, INSERM UMR 1163 Paris France
| | - Lamisse Mansour‐Hendili
- Département de Génétique, AP‐HP Hôpitaux Universitaires Henri Mondor Créteil France
- Laboratoire de biologie médicale multisites Seqoia – FMG2025 Paris France
- Université Paris Est Créteil, IMRB Equipe Pirenne, Laboratoire d'excellence LABEX GRex Créteil France
| |
Collapse
|