1
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Ashraf N, Van Nostrand JL. Fine-tuning AMPK in physiology and disease using point-mutant mouse models. Dis Model Mech 2024; 17:dmm050798. [PMID: 39136185 DOI: 10.1242/dmm.050798] [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] [Indexed: 08/17/2024] Open
Abstract
AMP-activated protein kinase (AMPK) is an evolutionarily conserved serine/threonine kinase that monitors the cellular energy status to adapt it to the fluctuating nutritional and environmental conditions in an organism. AMPK plays an integral part in a wide array of physiological processes, such as cell growth, autophagy and mitochondrial function, and is implicated in diverse diseases, including cancer, metabolic disorders, cardiovascular diseases and neurodegenerative diseases. AMPK orchestrates many different physiological outcomes by phosphorylating a broad range of downstream substrates. However, the importance of AMPK-mediated regulation of these substrates in vivo remains an ongoing area of investigation to better understand its precise role in cellular and metabolic homeostasis. Here, we provide a comprehensive overview of our understanding of the kinase function of AMPK in vivo, as uncovered from mouse models that harbor phosphorylation mutations in AMPK substrates. We discuss some of the inherent limitations of these mouse models, highlight the broader implications of these studies for understanding human health and disease, and explore the valuable insights gained that could inform future therapeutic strategies for the treatment of metabolic and non-metabolic disorders.
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Affiliation(s)
- Naghmana Ashraf
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Jeanine L Van Nostrand
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
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2
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Yu M, Qin K, Fan J, Zhao G, Zhao P, Zeng W, Chen C, Wang A, Wang Y, Zhong J, Zhu Y, Wagstaff W, Haydon RC, Luu HH, Ho S, Lee MJ, Strelzow J, Reid RR, He TC. The evolving roles of Wnt signaling in stem cell proliferation and differentiation, the development of human diseases, and therapeutic opportunities. Genes Dis 2024; 11:101026. [PMID: 38292186 PMCID: PMC10825312 DOI: 10.1016/j.gendis.2023.04.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 03/18/2023] [Accepted: 04/12/2023] [Indexed: 02/01/2024] Open
Abstract
The evolutionarily conserved Wnt signaling pathway plays a central role in development and adult tissue homeostasis across species. Wnt proteins are secreted, lipid-modified signaling molecules that activate the canonical (β-catenin dependent) and non-canonical (β-catenin independent) Wnt signaling pathways. Cellular behaviors such as proliferation, differentiation, maturation, and proper body-axis specification are carried out by the canonical pathway, which is the best characterized of the known Wnt signaling paths. Wnt signaling has emerged as an important factor in stem cell biology and is known to affect the self-renewal of stem cells in various tissues. This includes but is not limited to embryonic, hematopoietic, mesenchymal, gut, neural, and epidermal stem cells. Wnt signaling has also been implicated in tumor cells that exhibit stem cell-like properties. Wnt signaling is crucial for bone formation and presents a potential target for the development of therapeutics for bone disorders. Not surprisingly, aberrant Wnt signaling is also associated with a wide variety of diseases, including cancer. Mutations of Wnt pathway members in cancer can lead to unchecked cell proliferation, epithelial-mesenchymal transition, and metastasis. Altogether, advances in the understanding of dysregulated Wnt signaling in disease have paved the way for the development of novel therapeutics that target components of the Wnt pathway. Beginning with a brief overview of the mechanisms of canonical and non-canonical Wnt, this review aims to summarize the current knowledge of Wnt signaling in stem cells, aberrations to the Wnt pathway associated with diseases, and novel therapeutics targeting the Wnt pathway in preclinical and clinical studies.
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Affiliation(s)
- Michael Yu
- School of Medicine, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Kevin Qin
- School of Medicine, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Jiaming Fan
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, The School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Guozhi Zhao
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Piao Zhao
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Wei Zeng
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Department of Neurology, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong 523475, China
| | - Connie Chen
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Annie Wang
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Yonghui Wang
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Department of Clinical Laboratory Medicine, Shanghai Jiaotong University School of Medicine, Shanghai 200000, China
| | - Jiamin Zhong
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Ministry of Education Key Laboratory of Diagnostic Medicine, and Department of Clinical Biochemistry, The School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Yi Zhu
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Department of Orthopaedic Surgery, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - William Wagstaff
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Rex C. Haydon
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Hue H. Luu
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Sherwin Ho
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Michael J. Lee
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Jason Strelzow
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Russell R. Reid
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Laboratory of Craniofacial Suture Biology and Development, Department of Surgery Section of Plastic Surgery, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
- Laboratory of Craniofacial Suture Biology and Development, Department of Surgery Section of Plastic Surgery, The University of Chicago Medical Center, Chicago, IL 60637, USA
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3
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Zarzycka M, Kotula-Balak M, Gil D. The mechanism of the contribution of ICAM-1 to epithelial-mesenchymal transition (EMT) in bladder cancer. Hum Cell 2024; 37:801-816. [PMID: 38519725 DOI: 10.1007/s13577-024-01053-2] [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: 12/14/2023] [Accepted: 02/24/2024] [Indexed: 03/25/2024]
Abstract
Bladder cancer is one of the most prevalent cancers worldwide. Moreover, if not optimally treated, bladder cancer is a significant burden on healthcare systems due to multiple recurrences which often require more aggressive therapies. Therefore, targeted anti-cancer therapies, developed based on an in-depth understanding of specific proteins and molecular mechanisms, are promising in cancer treatment. Here, for the first time, we presented the new approaches indicating that intracellular adhesion molecule-1 (ICAM-1) may play a potential role in enhancing therapeutic effectiveness for bladder cancer. In the present study, we presented that ICAM-1 expression as well as its regulation in bladder cancer is strongly correlated with the high expression of N-cadherin. Importantly, the presence of N-cadherin and its regulator-TWIST-1 was abolished when ICAM-1 was silenced. We identified also that ICAM-1 is capable of regulating cellular migration, proliferation, and EMT progression in bladder cancer cells via the N-cadherin/SRC/AKT/GSK-3β/β-catenin signaling axis. Therefore, we propose ICAM-1 as a novel metastatic marker for EMT progression, which may also be used as a therapeutic target in bladder cancer.
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Affiliation(s)
- Marta Zarzycka
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Kopernika 7, 31-034, Kraków, Poland.
| | - Małgorzata Kotula-Balak
- Department of Animal Anatomy and Preclinical Sciences, University Centre of Veterinary Medicine JU-UA, University of Agriculture in Kraków, Mickiewicza 24/28, 30-059, Kraków, Poland
| | - Dorota Gil
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Kopernika 7, 31-034, Kraków, Poland
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4
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Oke A, Manohar SM. Dynamic Roles of Signaling Pathways in Maintaining Pluripotency of Mouse and Human Embryonic Stem Cells. Cell Reprogram 2024; 26:46-56. [PMID: 38635924 DOI: 10.1089/cell.2024.0002] [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] [Indexed: 04/20/2024] Open
Abstract
Culturing of mouse and human embryonic stem cells (ESCs) in vitro was a major breakthrough in the field of stem cell biology. These models gained popularity very soon mainly due to their pluripotency. Evidently, the ESCs of mouse and human origin share typical phenotypic responses due to their pluripotent nature, such as self-renewal capacity and potency. The conserved network of core transcription factors regulates these responses. However, significantly different signaling pathways and upstream transcriptional networks regulate expression and activity of these core pluripotency factors in ESCs of both the species. In fact, ample evidence shows that a pathway, which maintains pluripotency in mouse ESCs, promotes differentiation in human ESCs. In this review, we discuss the role of canonical signaling pathways implicated in regulation of pluripotency and differentiation particularly in mouse and human ESCs. We believe that understanding these distinct and at times-opposite mechanisms-is critical for the progress in the field of stem cell biology and regenerative medicine.
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Affiliation(s)
- Anagha Oke
- Department of Biological Sciences, Sunandan Divatia School of Science, NMIMS (Deemed-to-Be) University, Mumbai, Maharashtra, India
| | - Sonal M Manohar
- Department of Biological Sciences, Sunandan Divatia School of Science, NMIMS (Deemed-to-Be) University, Mumbai, Maharashtra, India
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5
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Varisli L, Vlahopoulos S. Epithelial-Mesenchymal Transition in Acute Leukemias. Int J Mol Sci 2024; 25:2173. [PMID: 38396852 PMCID: PMC10889420 DOI: 10.3390/ijms25042173] [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: 12/18/2023] [Revised: 01/27/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a metabolic process that confers phenotypic flexibility to cells and the ability to adapt to new functions. This transition is critical during embryogenesis and is required for the differentiation of many tissues and organs. EMT can also be induced in advanced-stage cancers, leading to further malignant behavior and chemotherapy resistance, resulting in an unfavorable prognosis for patients. Although EMT was long considered and studied only in solid tumors, it has been shown to be involved in the pathogenesis of hematological malignancies, including acute leukemias. Indeed, there is increasing evidence that EMT promotes the progression of acute leukemias, leading to the emergence of a more aggressive phenotype of the disease, and also causes chemotherapy resistance. The current literature suggests that the levels and activities of EMT inducers and markers can be used to predict prognosis, and that targeting EMT in addition to conventional therapies may increase treatment success in acute leukemias.
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Affiliation(s)
- Lokman Varisli
- Department of Molecular Biology and Genetics, Science Faculty, Dicle University, Diyarbakir 21280, Turkey
| | - Spiros Vlahopoulos
- First Department of Pediatrics, National and Kapodistrian University of Athens, Thivon & Levadeias 8, Goudi, 11527 Athens, Greece
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6
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Hsu SH, Chuang KT, Wang LT. Role of wnt ligand secretion mediator signaling in cancer development. JOURNAL OF CANCER RESEARCH AND PRACTICE 2023. [DOI: 10.4103/ejcrp.ejcrp-d-22-00029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023] Open
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7
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Wnt signaling and the regulation of pluripotency. Curr Top Dev Biol 2023; 153:95-119. [PMID: 36967203 DOI: 10.1016/bs.ctdb.2023.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
The role of Wnt signaling in stem cells has been mired in seemingly contradictory findings. On one hand, Wnt has been heralded as a self-renewal factor. On the other hand, Wnt's association with differentiation and lineage commitment is indisputable. This apparent contradiction is particularly evident in pluripotent stem cells, where Wnt promotes self-renewal as well as differentiation. To resolve this discrepancy one must delve into fundamental principles of pluripotency and gain an appreciation for the concept of pluripotency states, which exist in a continuum with intermediate metastable states, some of which have been stabilized in vitro. Wnt signaling is a critical regulator of transitions between pluripotent states. Here, we will discuss Wnt's roles in maintaining pluripotency, promoting differentiation, as well as stimulating reprogramming of somatic cells to an induced pluripotent state.
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8
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Hwang S, Ha Y, Koo G, Noh H, Lee A, Kim B, Hong SM, Morgan MJ, Eyun S, Lee D, Roe J, Lee Y, Kim Y. LCK-Mediated RIPK3 Activation Controls Double-Positive Thymocyte Proliferation and Restrains Thymic Lymphoma by Regulating the PP2A-ERK Axis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204522. [PMID: 36161785 PMCID: PMC9661840 DOI: 10.1002/advs.202204522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/07/2022] [Indexed: 06/16/2023]
Abstract
Receptor-interacting protein kinase 3 (RIPK3) is the primary regulator of necroptotic cell death. RIPK3 expression is often silenced in various cancer cells, which suggests that it may have tumor suppressor properties. However, the exact mechanism by which RIPK3 negatively regulates cancer development and progression remains unclear. This report indicates that RIPK3 acts as a potent regulator of the homeostatic proliferation of CD4+ CD8+ double-positive (DP) thymocytes. Abnormal proliferation of RIPK3-deficient DP thymocytes occurs independently of the well-known role for RIPK3 in necroptosis (upstream of MLKL activation), and is associated with an incidental thymic mass, likely thymic hyperplasia. In addition, Ripk3-null mice develop increased thymic tumor formation accompanied by reduced host survival in the context of an N-ethyl-N-nitrosourea (ENU)-induced tumor model. Moreover, RIPK3 deficiency in p53-null mice promotes thymic lymphoma development via upregulated extracellular signal-regulated kinase (ERK) signaling, which correlates with markedly reduced survival rates. Mechanistically, lymphocyte-specific protein tyrosine kinase (LCK) activates RIPK3, which in turn leads to increases in the phosphatase activity of protein phosphatase 2 (PP2A), thereby suppressing hyper-activation of ERK in DP thymocytes. Overall, these findings suggest that a RIPK3-PP2A-ERK signaling axis regulates DP thymocyte homeostasis and may provide a potential therapeutic target to improve thymic lymphoma therapies.
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Affiliation(s)
- Sung‐Min Hwang
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
- Sandra and Edward Meyer Cancer Center and Department of Obstetrics and GynecologyWeill Cornell MedicineNew YorkNY10065USA
| | - Yu‐Jin Ha
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
- Department of Biomedical SciencesGraduate School of Ajou University164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - Gi‐Bang Koo
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
- Department of Biomedical SciencesGraduate School of Ajou University164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - Hyun‐Jin Noh
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
- Department of Biomedical SciencesGraduate School of Ajou University164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - A‐Yeon Lee
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
- Department of Biomedical SciencesGraduate School of Ajou University164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - Byeong‐Ju Kim
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
- Department of Biomedical SciencesGraduate School of Ajou University164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - Sun Mi Hong
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - Michael J. Morgan
- Department of Natural SciencesNortheastern State UniversityTahlequahOK74464USA
| | - Seong‐il Eyun
- Department of Life ScienceChung‐Ang UniversitySeoul06973Republic of Korea
| | - Dakeun Lee
- Department of PathologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - Jae‐Seok Roe
- Department of BiochemistryCollege of Life Science and BiotechnologyYonsei UniversitySeoul03722Republic of Korea
| | - Youngsoo Lee
- Institute of Medical ScienceAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
| | - You‐Sun Kim
- Department of Biochemistry and Molecular BiologyAjou University School of Medicine164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
- Department of Biomedical SciencesGraduate School of Ajou University164 Worldcup‐ro, Yeongtong‐gu, SuwonGyeonggi‐do16499Republic of Korea
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9
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Hettler F, Schreck C, Marquez SR, Engleitner T, Vilne B, Landspersky T, Weidner H, Hausinger R, Mishra R, Oellinger R, Rauner M, Naumann R, Peschel C, Bassermann F, Rad R, Istvanffy R, Oostendorp RA. Osteoprogenitor SFRP1 prevents exhaustion of hematopoietic stem cells via PP2A-PR72/130-mediated regulation of p300. Haematologica 2022; 108:490-501. [PMID: 35950533 PMCID: PMC9890018 DOI: 10.3324/haematol.2022.280760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Indexed: 02/03/2023] Open
Abstract
Remodeling of the bone marrow microenvironment in chronic inflammation and in aging reduces hematopoietic stem cell (HSC) function. To assess the mechanisms of this functional decline of HSC and find strategies to counteract it, we established a model in which the Sfrp1 gene was deleted in Osterix+ osteolineage cells (OS1Δ/Δ mice). HSC from these mice showed severely diminished repopulating activity with associated DNA damage, enriched expression of the reactive oxygen species pathway and reduced single-cell proliferation. Interestingly, not only was the protein level of Catenin beta-1 (bcatenin) elevated, but so was its association with the phosphorylated co-activator p300 in the nucleus. Since these two proteins play a key role in promotion of differentiation and senescence, we inhibited in vivo phosphorylation of p300 through PP2A-PR72/130 by administration of IQ-1 in OS1Δ/Δ mice. This treatment not only reduced the b-catenin/phosphop300 association, but also decreased nuclear p300. More importantly, in vivo IQ-1 treatment fully restored HSC repopulating activity of the OS1Δ/Δ mice. Our findings show that the osteoprogenitor Sfrp1 is essential for maintaining HSC function. Furthermore, pharmacological downregulation of the nuclear b-catenin/phospho-p300 association is a new strategy to restore poor HSC function.
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Affiliation(s)
- Franziska Hettler
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,FH and CS contributed equally as co-first authors
| | - Christina Schreck
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,FH and CS contributed equally as co-first authors
| | - Sandra Romero Marquez
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany
| | - Thomas Engleitner
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,Technical University of Munich, School of Medicine, Institute of Molecular Oncology and Functional Genomics, Munich, Germany
| | - Baiba Vilne
- Bioinformatics Research Unit, Riga Stradins University Riga, Riga, Latvia,netOmics, Riga, Latvia
| | - Theresa Landspersky
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany
| | - Heike Weidner
- Bone Lab Dresden, Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Renate Hausinger
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany
| | - Ritu Mishra
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,School of Medicine, Institute of Clinical Chemistry and Pathobiochemistry, Technical University of Munich, Munich, Germany
| | - Rupert Oellinger
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,Technical University of Munich, School of Medicine, Institute of Molecular Oncology and Functional Genomics, Munich, Germany
| | - Martina Rauner
- Bone Lab Dresden, Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Ronald Naumann
- Max Planck Institute of Molecular Cell Biology and Genetics, Transgenic Core Facility, Dresden, Germany
| | - Christian Peschel
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Florian Bassermann
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Roland Rad
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,Technical University of Munich, School of Medicine, Institute of Molecular Oncology and Functional Genomics, Munich, Germany,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Rouzanna Istvanffy
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,Current afliation: Technical University of Munich, School of Medicine, Surgery Department, Munich, Germany
| | - Robert A.J. Oostendorp
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,RI and RAJO contributed equally as co-senior authors
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10
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Lord T, Law NC, Oatley MJ, Miao D, Du G, Oatley JM. A novel high throughput screen to identify candidate molecular networks that regulate spermatogenic stem cell functions. Biol Reprod 2022; 106:1175-1190. [PMID: 35244684 PMCID: PMC9198950 DOI: 10.1093/biolre/ioac048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 11/06/2021] [Accepted: 02/22/2022] [Indexed: 11/12/2022] Open
Abstract
Spermatogenic regeneration is key for male fertility and relies on activities of an undifferentiated spermatogonial population. Here, a high throughput approach with primary cultures of mouse spermatogonia was devised to rapidly predict alterations in functional capacity. Combining the platform with a large scale RNAi screen of transcription factors, we generated a repository of new information from which pathway analysis was able to predict candidate molecular networks regulating regenerative functions. Extending from this database, the SRCAP-CREBBP/EP300 complex was found to mediate differential levels of histone acetylation between stem cell and progenitor spermatogonia to influence expression of key self-renewal genes including the previously undescribed testis specific transcription factor ZSCAN2. Single cell RNA sequencing analysis revealed that ZSCAN2 deficiency alters key cellular processes in undifferentiated spermatogonia such as translation, chromatin modification, and ubiquitination. In Zscan2 knockout mice, while spermatogenesis was moderately impacted during steady-state, regeneration after cytotoxic insult was significantly impaired. Together, these findings have validated the utility of our high throughput screening approach and have generated a transcription factor database that can be utilized for uncovering novel mechanisms governing spermatogonial functions.
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Affiliation(s)
- Tessa Lord
- School of Molecular Biosciences, Centre for Reproductive Biology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164, USA.,Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, The University of Newcastle, Callaghan, NSW, 2300, Australia.,Hunter Medical Research Institute, Infertility and Reproduction Program, New Lambton Heights, NSW 2305, Australia
| | - Nathan C Law
- School of Molecular Biosciences, Centre for Reproductive Biology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164, USA
| | - Melissa J Oatley
- School of Molecular Biosciences, Centre for Reproductive Biology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164, USA
| | - Deqiang Miao
- School of Molecular Biosciences, Centre for Reproductive Biology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164, USA
| | - Guihua Du
- School of Molecular Biosciences, Centre for Reproductive Biology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164, USA
| | - Jon M Oatley
- School of Molecular Biosciences, Centre for Reproductive Biology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164, USA
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11
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Hu X, Ono M, Chimge NO, Chosa K, Nguyen C, Melendez E, Lou CH, Lim P, Termini J, Lai KKY, Fueger PT, Teo JL, Higuchi Y, Kahn M. Differential Kat3 Usage Orchestrates the Integration of Cellular Metabolism with Differentiation. Cancers (Basel) 2021; 13:cancers13235884. [PMID: 34884992 PMCID: PMC8656857 DOI: 10.3390/cancers13235884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/12/2021] [Accepted: 11/19/2021] [Indexed: 11/29/2022] Open
Abstract
Simple Summary The coupling of metabolism with cellular status is critically important and highly evolutionarily conserved. However, how cells coordinate metabolism with transcription as they change their status is not clear. Utilizing multiomic and functional studies, we now demonstrate the dichotomous roles of the Kat3 coactivators CBP and p300 and, in particular, their extreme N-termini, in coordinating cellular metabolism with cell differentiation. Using multiple in vitro and in vivo systems, our study sheds new light on metabolic regulation in homeostasis and disease, including cancer. Abstract The integration of cellular status with metabolism is critically important and the coupling of energy production and cellular function is highly evolutionarily conserved. This has been demonstrated in stem cell biology, organismal, cellular and tissue differentiation and in immune cell biology. However, a molecular mechanism delineating how cells coordinate and couple metabolism with transcription as they navigate quiescence, growth, proliferation, differentiation and migration remains in its infancy. The extreme N-termini of the Kat3 coactivator family members, CBP and p300, by far the least homologous regions with only 66% identity, interact with members of the nuclear receptor family, interferon activated Stat1 and transcriptionally competent β-catenin, a critical component of the Wnt signaling pathway. We now wish to report based on multiomic and functional investigations, utilizing p300 knockdown, N-terminal p300 edited and p300 S89A edited cell lines and p300 S89A knockin mice, that the N-termini of the Kat3 coactivators provide a highly evolutionarily conserved hub to integrate multiple signaling cascades to coordinate cellular metabolism with the regulation of cellular status and function.
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Affiliation(s)
- Xiaohui Hu
- Department of Pathology, School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China;
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - Masaya Ono
- Department of Clinical Proteomics, National Cancer Center Research Institute, Tokyo 104-0045, Japan;
| | - Nyam-Osor Chimge
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - Keisuke Chosa
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - Cu Nguyen
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - Elizabeth Melendez
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - Chih-Hong Lou
- Gene Editing and Viral Vector Core, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA;
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
| | - Punnajit Lim
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - John Termini
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
| | - Keane K. Y. Lai
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
| | - Patrick T. Fueger
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
- Department of Molecular and Cellular Endocrinology, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Jia-Ling Teo
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - Yusuke Higuchi
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
| | - Michael Kahn
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (N.-O.C.); (K.C.); (C.N.); (E.M.); (P.L.); (J.T.); (K.K.Y.L.); (J.-L.T.); (Y.H.)
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
- Correspondence:
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12
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Pileggi S, La Vecchia M, Colombo EA, Fontana L, Colapietro P, Rovina D, Morotti A, Tabano S, Porta G, Alcalay M, Gervasini C, Miozzo M, Sirchia SM. Cohesin Mutations Induce Chromatin Conformation Perturbation of the H19/ IGF2 Imprinted Region and Gene Expression Dysregulation in Cornelia de Lange Syndrome Cell Lines. Biomolecules 2021; 11:1622. [PMID: 34827619 PMCID: PMC8615450 DOI: 10.3390/biom11111622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/26/2021] [Accepted: 10/28/2021] [Indexed: 02/07/2023] Open
Abstract
Traditionally, Cornelia de Lange Syndrome (CdLS) is considered a cohesinopathy caused by constitutive mutations in cohesin complex genes. Cohesin is a major regulator of chromatin architecture, including the formation of chromatin loops at the imprinted IGF2/H19 domain. We used 3C analysis on lymphoblastoid cells from CdLS patients carrying mutations in NIPBL and SMC1A genes to explore 3D chromatin structure of the IGF2/H19 locus and evaluate the influence of cohesin alterations in chromatin architecture. We also assessed quantitative expression of imprinted loci and WNT pathway genes, together with DMR methylation status of the imprinted genes. A general impairment of chromatin architecture and the emergence of new interactions were found. Moreover, imprinting alterations also involved the expression and methylation levels of imprinted genes, suggesting an association among cohesin genetic defects, chromatin architecture impairment, and imprinting network alteration. The WNT pathway resulted dysregulated: canonical WNT, cell cycle, and WNT signal negative regulation were the most significantly affected subpathways. Among the deregulated pathway nodes, the key node of the frizzled receptors was repressed. Our study provides new evidence that mutations in genes of the cohesin complex have effects on the chromatin architecture and epigenetic stability of genes commonly regulated by high order chromatin structure.
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Affiliation(s)
- Silvana Pileggi
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
| | - Marta La Vecchia
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
| | - Elisa Adele Colombo
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
| | - Laura Fontana
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
- Unit of Medical Genetics, ASST Santi Paolo e Carlo, 20142 Milano, Italy
| | - Patrizia Colapietro
- Department of Pathophysiology and Transplantation, Medical Genetics, Università degli Studi di Milano, 20122 Milan, Italy; (P.C.); (S.T.)
| | - Davide Rovina
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
| | - Annamaria Morotti
- Research Laboratories Coordination Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milano, Italy;
| | - Silvia Tabano
- Department of Pathophysiology and Transplantation, Medical Genetics, Università degli Studi di Milano, 20122 Milan, Italy; (P.C.); (S.T.)
- Laboratory of Medical Genetics, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Giovanni Porta
- Centro di Medicina Genomica, Department of Medicine and Surgery, Università degli Studi dell’Insubria, 21100 Varese, Italy;
| | - Myriam Alcalay
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, 20139 Milan, Italy;
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy
| | - Cristina Gervasini
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
| | - Monica Miozzo
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
- Unit of Medical Genetics, ASST Santi Paolo e Carlo, 20142 Milano, Italy
| | - Silvia Maria Sirchia
- Medical Genetics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (S.P.); (M.L.V.); (E.A.C.); (L.F.); (D.R.); (C.G.); (S.M.S.)
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Kahn M. Taking the road less traveled - the therapeutic potential of CBP/β-catenin antagonists. Expert Opin Ther Targets 2021; 25:701-719. [PMID: 34633266 PMCID: PMC8745629 DOI: 10.1080/14728222.2021.1992386] [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: 10/06/2021] [Accepted: 10/08/2021] [Indexed: 10/20/2022]
Abstract
AREAS COVERED This perspective discusses the challenges of targeting the Wnt signaling cascade, the safety, efficacy, and therapeutic potential of specific CBP/β-catenin antagonists and a rationale for the pleiotropic effects of CBP/β-catenin antagonists beyond Wnt signaling. EXPERT OPINION CBP/β-catenin antagonists can correct lineage infidelity, enhance wound healing, both normal and aberrant (e.g. fibrosis) and force the differentiation and lineage commitment of stem cells and cancer stem cells by regulating enhancer and super-enhancer coactivator occupancy. Small molecule CBP/β-catenin antagonists rebalance the equilibrium between CBP/β-catenin versus p300/β-catenin dependent transcription and may be able to treat or prevent many diseases of aging, via maintenance of our somatic stem cell pool, and regulating mitochondrial function and metabolism involved in differentiation and immune cell function.
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Affiliation(s)
- Michael Kahn
- Department of Molecular Medicine, City of Hope, Beckman Research Institute, 1500 East Duarte Road Flower Building, Duarte, CA, USA
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14
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Bonnet C, Brahmbhatt A, Deng SX, Zheng JJ. Wnt signaling activation: targets and therapeutic opportunities for stem cell therapy and regenerative medicine. RSC Chem Biol 2021; 2:1144-1157. [PMID: 34458828 PMCID: PMC8341040 DOI: 10.1039/d1cb00063b] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/01/2021] [Indexed: 12/18/2022] Open
Abstract
Wnt proteins are secreted morphogens that play critical roles in embryonic development, stem cell proliferation, self-renewal, tissue regeneration and remodeling in adults. While aberrant Wnt signaling contributes to diseases such as cancer, activation of Wnt/β-catenin signaling is a target of interest in stem cell therapy and regenerative medicine. Recent high throughput screenings from chemical and biological libraries, combined with improved gene expression reporter assays of Wnt/β-catenin activation together with rational drug design, led to the development of a myriad of Wnt activators, with different mechanisms of actions. Among them, Wnt mimics, antibodies targeting Wnt inhibitors, glycogen-synthase-3β inhibitors, and indirubins and other natural product derivatives are emerging modalities to treat bone, neurodegenerative, eye, and metabolic disorders, as well as prevent ageing. Nevertheless, the creation of Wnt-based therapies has been hampered by challenges in developing potent and selective Wnt activators without off-target effects, such as oncogenesis. On the other hand, to avoid these risks, their use to promote ex vivo expansion during tissue engineering is a promising application.
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Affiliation(s)
- Clémence Bonnet
- Stein Eye Institute, University of California Los Angeles CA USA +1-3107947906 +1-3102062173
- INSERM, UMRS1138, Team 17, From Physiopathology of Ocular Diseases to Clinical Development, Paris University, Centre de Recherche des Cordeliers, and Cornea Departement, Cochin Hospital, AP-HP F-75014 Paris France
| | - Anvi Brahmbhatt
- Stein Eye Institute, University of California Los Angeles CA USA +1-3107947906 +1-3102062173
| | - Sophie X Deng
- Stein Eye Institute, University of California Los Angeles CA USA +1-3107947906 +1-3102062173
- Molecular Biology Institute, University of California Los Angeles CA USA
| | - Jie J Zheng
- Stein Eye Institute, University of California Los Angeles CA USA +1-3107947906 +1-3102062173
- Molecular Biology Institute, University of California Los Angeles CA USA
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15
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Selicorni A, Mariani M, Lettieri A, Massa V. Cornelia de Lange Syndrome: From a Disease to a Broader Spectrum. Genes (Basel) 2021; 12:1075. [PMID: 34356091 PMCID: PMC8307173 DOI: 10.3390/genes12071075] [Citation(s) in RCA: 21] [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: 05/29/2021] [Revised: 07/06/2021] [Accepted: 07/12/2021] [Indexed: 12/23/2022] Open
Abstract
Cornelia de Lange syndrome (CdLS) is a genetic disease that exemplifies the evolution of knowledge in the field of rare genetic disorders. Originally described as a unique pattern of major and minor anomalies, over time this syndrome has been shown to be characterized by a significant variability of clinical expression. By increasing the number of patients described, knowledge of the natural history of the condition has been enriched with the demonstration of the relative frequency of various potential comorbidities. Since 2006, the discovery of CdLS's molecular basis has shown an equally vast genetic heterogeneity linked to the presence of variants in genes encoding for the cohesin complex pathway. The most recent clinical-genetic data led to the classification of the "original syndrome" into a "clinical spectrum" that foresees the presence of classic patients, of non-classic forms, and of conditions that show a modest phenotypic overlapping with the original disease. Finally, the knowledge of the molecular basis of the disease has allowed the development of basic research projects that could lay the foundations for the development of possible innovative pharmacological treatments.
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Affiliation(s)
- Angelo Selicorni
- Mariani Foundation Center for Fragile Child, Pediatric Unit ASST Lariana, 22100 Como, Italy;
| | - Milena Mariani
- Mariani Foundation Center for Fragile Child, Pediatric Unit ASST Lariana, 22100 Como, Italy;
| | - Antonella Lettieri
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (A.L.); (V.M.)
- CRC Aldo Ravelli for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy
| | - Valentina Massa
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (A.L.); (V.M.)
- CRC Aldo Ravelli for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy
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16
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Chen G, Guo Y, Li C, Li S, Wan X. Small Molecules that Promote Self-Renewal of Stem Cells and Somatic Cell Reprogramming. Stem Cell Rev Rep 2021; 16:511-523. [PMID: 32185667 DOI: 10.1007/s12015-020-09965-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The ground state of embryonic stem cells (ESCs) is closely related to the development of regenerative medicine. Particularly, long-term culture of ESCs in vitro, maintenance of their undifferentiated state, self-renewal and multi-directional differentiation ability is the premise of ESCs mechanism and application research. Induced pluripotent stem cells (iPSC) reprogrammed from mouse embryonic fibroblasts (MEF) cells into cells with most of the ESC characteristics show promise towards solving ethical problems currently facing stem cell research. However, integration into chromosomal DNA through viral-mediated genes may activate proto oncogenes and lead to risk of cancer of iPSC. At the same time, iPS induction efficiency needs to be further improved to reduce the use of transcription factors. In this review, we discuss small molecules that promote self-renewal and reprogramming, including growth factor receptor inhibitors, GSK-3β and histone deacetylase inhibitors, metabolic regulators, pathway modulators as well as EMT/MET regulation inhibitors to enhance maintenance of ESCs and enable reprogramming. Additionally, we summarize the mechanism of action of small molecules on ESC self-renewal and iPSC reprogramming. Finally, we will report on the progress in identification of novel and potentially effective agents as well as selected strategies that show promise in regenerative medicine. On this basis, development of more small molecule combinations and efficient induction of chemically induced pluripotent stem cell (CiPSC) is vital for stem cell therapy. This will significantly improve research in pathogenesis, individualized drug screening, stem cell transplantation, tissue engineering and many other aspects.
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Affiliation(s)
- Guofang Chen
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China.
| | - Yu'e Guo
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Chao Li
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Shuangdi Li
- Departments of Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Xiaoping Wan
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China.
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17
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Soto DA, Navarro M, Zheng C, Halstead MM, Zhou C, Guiltinan C, Wu J, Ross PJ. Simplification of culture conditions and feeder-free expansion of bovine embryonic stem cells. Sci Rep 2021; 11:11045. [PMID: 34040070 PMCID: PMC8155104 DOI: 10.1038/s41598-021-90422-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 05/05/2021] [Indexed: 02/04/2023] Open
Abstract
Bovine embryonic stem cells (bESCs) extend the lifespan of the transient pluripotent bovine inner cell mass in vitro. After years of research, derivation of stable bESCs was only recently reported. Although successful, bESC culture relies on complex culture conditions that require a custom-made base medium and mouse embryonic fibroblasts (MEF) feeders, limiting the widespread use of bESCs. We report here simplified bESC culture conditions based on replacing custom base medium with a commercially available alternative and eliminating the need for MEF feeders by using a chemically-defined substrate. bESC lines were cultured and derived using a base medium consisting of N2B27 supplements and 1% BSA (NBFR-bESCs). Newly derived bESC lines were easy to establish, simple to propagate and stable after long-term culture. These cells expressed pluripotency markers and actively proliferated for more than 35 passages while maintaining normal karyotype and the ability to differentiate into derivatives of all three germ lineages in embryoid bodies and teratomas. In addition, NBFR-bESCs grew for multiple passages in a feeder-free culture system based on vitronectin and Activin A medium supplementation while maintaining pluripotency. Simplified conditions will facilitate the use of bESCs for gene editing applications and pluripotency and lineage commitment studies.
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Affiliation(s)
- Delia Alba Soto
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA, 95616, USA
| | - Micaela Navarro
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA, 95616, USA
- Instituto de Investigaciones Biotecnológicas 'Dr Rodolfo Ugalde', UNSAM-CONICET, Buenos Aires, Argentina
| | - Canbin Zheng
- Department of Molecular Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390, USA
| | | | - Chuan Zhou
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA, 95616, USA
| | - Carly Guiltinan
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA, 95616, USA
| | - Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390, USA
- Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390, USA
| | - Pablo Juan Ross
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA, 95616, USA.
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18
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Aquaporins implicated in the cell proliferation and the signaling pathways of cell stemness. Biochimie 2021; 188:52-60. [PMID: 33894294 DOI: 10.1016/j.biochi.2021.04.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 04/11/2021] [Accepted: 04/16/2021] [Indexed: 12/20/2022]
Abstract
Aquaporins (AQPs) are water channel proteins facilitating passive transport of water and other small molecules across biomembranes. Regulation of osmotic homeostasis via AQPs is accompanied by dynamic participation of various cellular signaling pathways. Recently emerging evidence reveals that functional roles of AQPs are further extended from the osmotic regulation via water permeation into the cell proliferation and differentiation. In particular, anomalous expression of AQPs has been demonstrated in various types of cancer cells and cancer stem-like cells and it has been proposed as markers for proliferation and progression of cancer cells. Thus, a more comprehensive view on AQPs could bring a great interest in the cell stemness accompanied by the expression of AQPs. AQPs are broadly expressed across tissues and cells in a cell type- and lineage-specific manner during development via spatiotemporal transcriptional regulation. Moreover, AQPs are expressed in various adult stem cells and cells associated with a stem cell niche as well as cancer stem-like cells. However, the expression and regulatory mechanisms of AQP expression in stem cells have not been well understood. This review highlighted the AQPs expression in stem cell niches/stem cells and the involvement of AQPs in the cell proliferation and signaling pathways associated with cell stemness.
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19
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Lai KKY, Hu X, Chosa K, Nguyen C, Lin DP, Lai KK, Kato N, Higuchi Y, Highlander SK, Melendez E, Eriguchi Y, Fueger PT, Ouellette AJ, Chimge NO, Ono M, Kahn M. p300 Serine 89: A Critical Signaling Integrator and Its Effects on Intestinal Homeostasis and Repair. Cancers (Basel) 2021; 13:cancers13061288. [PMID: 33799418 PMCID: PMC7999107 DOI: 10.3390/cancers13061288] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/07/2021] [Accepted: 03/10/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Given their high degree of identity and even greater similarity at the amino acid level, Kat3 coactivators, CBP (Kat3A) and p300 (Kat3B), have long been considered redundant. We describe the generation of novel p300 S89A knock-in mice carrying a single site directed amino acid mutation in p300, changing the highly evolutionarily conserved serine 89 to alanine, thus enhancing Wnt/CBP/catenin signaling (at the expense of Wnt/p300/catenin signaling). p300 S89A knock-in mice exhibit multiple organ system, immunologic and metabolic differences, compared with their wild type counterparts. In particular, these p300 S89A knock-in mice are highly sensitive to intestinal injury resulting in colitis which is known to significantly predispose to colorectal cancer. Our results highlight the critical role of this region in p300 as a signaling nexus and provide further evidence that p300 and CBP are non-redundant, playing definite and distinctive roles in development and disease. Abstract Differential usage of Kat3 coactivators, CBP and p300, by β-catenin is a fundamental regulatory mechanism in stem cell maintenance and initiation of differentiation and repair. Based upon our earlier pharmacologic studies, p300 serine 89 (S89) is critical for controlling differential coactivator usage by β-catenin via post-translational phosphorylation in stem/progenitor populations, and appears to be a target for a number of kinase cascades. To further investigate mechanisms of signal integration effected by this domain, we generated p300 S89A knock-in mice. We show that S89A mice are extremely sensitive to intestinal insult resulting in colitis, which is known to significantly increase the risk of developing colorectal cancer. We demonstrate cell intrinsic differences, and microbiome compositional differences and differential immune responses, in intestine of S89A versus wild type mice. Genomic and proteomic analyses reveal pathway differences, including lipid metabolism, oxidative stress response, mitochondrial function and oxidative phosphorylation. The diverse effects on fundamental processes including epithelial differentiation, metabolism, immune response and microbiome colonization, all brought about by a single amino acid modification S89A, highlights the critical role of this region in p300 as a signaling nexus and the rationale for conservation of this residue and surrounding region for hundreds of million years of vertebrate evolution.
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Affiliation(s)
- Keane K. Y. Lai
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
| | - Xiaohui Hu
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
| | - Keisuke Chosa
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
| | - Cu Nguyen
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
| | - David P. Lin
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
| | - Keith K. Lai
- Department of Anatomic Pathology, Cleveland Clinic, Cleveland, OH 44195, USA;
| | - Nobuo Kato
- The Institute of Scientific and Industrial Research, Osaka University, Osaka 567-0047, Japan;
| | - Yusuke Higuchi
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
| | - Sarah K. Highlander
- Clinical Microbiome Service Center and Pathogen and Microbiome Division, Translational Genomics Research Institute, Flagstaff, AZ 86005, USA;
| | - Elizabeth Melendez
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
| | - Yoshihiro Eriguchi
- Department of Pathology and Laboratory Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; (Y.E.); (A.J.O.)
| | - Patrick T. Fueger
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
- Department of Molecular and Cellular Endocrinology, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Andre J. Ouellette
- Department of Pathology and Laboratory Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; (Y.E.); (A.J.O.)
- USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Nyam-Osor Chimge
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
| | - Masaya Ono
- Department of Clinical Proteomics, National Cancer Center Research Institute, Tokyo 104-0045, Japan;
| | - Michael Kahn
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; (K.K.Y.L.); (X.H.); (K.C.); (C.N.); (D.P.L.); (Y.H.); (E.M.); (N.-O.C.)
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
- USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
- Department of Biochemistry and Molecular Biology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
- Correspondence:
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20
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Vandana JJ, Lacko LA, Chen S. Phenotypic technologies in stem cell biology. Cell Chem Biol 2021; 28:257-270. [PMID: 33651977 DOI: 10.1016/j.chembiol.2021.02.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/12/2021] [Accepted: 01/29/2021] [Indexed: 02/07/2023]
Abstract
The high-throughput phenotypic screen (HTPS) has become an emerging technology to discover synthetic small molecules that regulate stem cell fates. Here, we review the application of HTPS to identify small molecules controlling stem cell renewal, reprogramming, differentiation, and lineage conversion. Moreover, we discuss the use of HTPS to discover small molecules/polymers mimicking the stem cell extracellular niche. Furthermore, HTPSs have been applied on whole-animal models to identify small molecules regulating stem cell renewal or differentiation in vivo. Finally, we discuss the examples of the utilization of HTPS in stem cell-based disease modeling, as well as in the discovery of novel drug candidates for cancer, diabetes, and infectious diseases. Overall, HTPSs have provided many powerful tools for the stem cell field, which not only facilitate the generation of functional cells/tissues for replacement therapy, disease modeling, and drug screening, but also help dissect molecular mechanisms regulating physiological and pathological processes.
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Affiliation(s)
- J Jeya Vandana
- Department of Surgery, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA; Tri-Institutional PhD Program in Chemical Biology, Weill Cornell Medicine, The Rockefeller University, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Lauretta A Lacko
- Department of Surgery, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
| | - Shuibing Chen
- Department of Surgery, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA.
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21
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Grazioli P, Parodi C, Mariani M, Bottai D, Di Fede E, Zulueta A, Avagliano L, Cereda A, Tenconi R, Wierzba J, Adami R, Iascone M, Ajmone PF, Vaccari T, Gervasini C, Selicorni A, Massa V. Lithium as a possible therapeutic strategy for Cornelia de Lange syndrome. Cell Death Dis 2021; 7:34. [PMID: 33597506 PMCID: PMC7889653 DOI: 10.1038/s41420-021-00414-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/28/2020] [Accepted: 01/17/2021] [Indexed: 01/31/2023]
Abstract
Cornelia de Lange Syndrome (CdLS) is a rare developmental disorder affecting a multitude of organs including the central nervous system, inducing a variable neurodevelopmental delay. CdLS malformations derive from the deregulation of developmental pathways, inclusive of the canonical WNT pathway. We have evaluated MRI anomalies and behavioral and neurological clinical manifestations in CdLS patients. Importantly, we observed in our cohort a significant association between behavioral disturbance and structural abnormalities in brain structures of hindbrain embryonic origin. Considering the cumulative evidence on the cohesin-WNT-hindbrain shaping cascade, we have explored possible ameliorative effects of chemical activation of the canonical WNT pathway with lithium chloride in different models: (I) Drosophila melanogaster CdLS model showing a significant rescue of mushroom bodies morphology in the adult flies; (II) mouse neural stem cells restoring physiological levels in proliferation rate and differentiation capabilities toward the neuronal lineage; (III) lymphoblastoid cell lines from CdLS patients and healthy donors restoring cellular proliferation rate and inducing the expression of CyclinD1. This work supports a role for WNT-pathway regulation of CdLS brain and behavioral abnormalities and a consistent phenotype rescue by lithium in experimental models.
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Affiliation(s)
- Paolo Grazioli
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Chiara Parodi
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | | | - Daniele Bottai
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy ,grid.4708.b0000 0004 1757 2822“Aldo Ravelli” Center for Neurotechnology and Experimental Brain Therapeutics, Università degli Studi di Milano, Milan, Italy
| | - Elisabetta Di Fede
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Aida Zulueta
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Laura Avagliano
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Anna Cereda
- Department of Pediatrics-ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Romano Tenconi
- grid.5608.b0000 0004 1757 3470Department of Pediatrics, University of Padova, Padova, Italy
| | - Jolanta Wierzba
- grid.11451.300000 0001 0531 3426Department of Pediatrics and Internal Medicine Nursing, Department of Rare Disorders, Medical University of Gdansk, Gdańsk, Poland
| | - Raffaella Adami
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Maria Iascone
- Department of Pediatrics-ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Paola Francesca Ajmone
- grid.414818.00000 0004 1757 8749Child and Adolescent Neuropsychiatric Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Thomas Vaccari
- grid.4708.b0000 0004 1757 2822Department of Biosciences, Università degli Studi di Milano, Milano, Italy
| | - Cristina Gervasini
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy ,grid.4708.b0000 0004 1757 2822“Aldo Ravelli” Center for Neurotechnology and Experimental Brain Therapeutics, Università degli Studi di Milano, Milan, Italy
| | | | - Valentina Massa
- grid.4708.b0000 0004 1757 2822Department of Health Sciences, Università degli Studi di Milano, Milan, Italy ,grid.4708.b0000 0004 1757 2822“Aldo Ravelli” Center for Neurotechnology and Experimental Brain Therapeutics, Università degli Studi di Milano, Milan, Italy
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22
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Estrogen Receptor Signaling Pathways Involved in Invasion and Colony Formation of Androgen-Independent Prostate Cancer Cells PC-3. Int J Mol Sci 2021; 22:ijms22031153. [PMID: 33503805 PMCID: PMC7865506 DOI: 10.3390/ijms22031153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/13/2021] [Accepted: 01/19/2021] [Indexed: 12/18/2022] Open
Abstract
Castration-resistant prostate cancer (CRPC) is an advanced and androgen-independent form of prostate cancer. Recent studies of rapid actions mediated by estrogen in the prostate and its relationship with CRPC are emerging. We have previously shown that estrogen receptor (ER) promotes migration and invasion of the androgen-independent prostate cancer cells PC-3, but the signaling pathways involved in these events remain to be elucidated. Therefore, this study aimed to analyze the role of ERα and ERβ in the activation of SRC, and the involvement of SRC and PI3K/AKT on invasion and colony formation of the PC-3 cells. Our results showed that the activation of ERα (using ERα-selective agonist PPT) and ERβ (using ERβ-selective agonist DPN) increased phosphorylation of SRC in PC-3 cells. In the presence of the selective inhibitor for SRC-family kinases PP2, the effects of DPN and PPT on transmigration and soft agar colony formation assays were decreased. Furthermore, SRC is involved in the expression of the non-phosphorylated β-catenin. Finally, using PI3K specific inhibitor Wortmannin and AKT inhibitor MK2206, we showed that PI3K/AKT are also required for invasion and colony formation of PC-3 cells simulated by ER. This study provides novel insights into molecular mechanisms of ER in PC-3 cells by demonstrating that ER, located outside the cell nucleus, activates rapid responses molecules, including SRC and PI3K/AKT, which enhance the tumorigenic potential of prostate cancer cells, increasing cell proliferation, migration, invasion, and tumor formation.
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Lai KKY, Kahn M. Pharmacologically Targeting the WNT/β-Catenin Signaling Cascade: Avoiding the Sword of Damocles. Handb Exp Pharmacol 2021; 269:383-422. [PMID: 34463849 DOI: 10.1007/164_2021_523] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
WNT/β-catenin signaling plays fundamental roles in numerous developmental processes and in adult tissue homeostasis and repair after injury, by controlling cellular self-renewal, activation, division, differentiation, movement, genetic stability, and apoptosis. As such, it comes as no surprise that dysregulation of WNT/β-catenin signaling is associated with various diseases, including cancer, fibrosis, neurodegeneration, etc. Although multiple agents that specifically target the WNT/β-catenin signaling pathway have been studied preclinically and a number have entered clinical trials, none has been approved by the FDA to date. In this chapter, we provide our insights as to the reason(s) it has been so difficult to safely pharmacologically target the WNT/β-catenin signaling pathway and discuss the significant efforts undertaken towards this goal.
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Affiliation(s)
- Keane K Y Lai
- Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Michael Kahn
- Beckman Research Institute, City of Hope, Duarte, CA, USA.
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24
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Kim MJ, Huang Y, Park JI. Targeting Wnt Signaling for Gastrointestinal Cancer Therapy: Present and Evolving Views. Cancers (Basel) 2020; 12:E3638. [PMID: 33291655 PMCID: PMC7761926 DOI: 10.3390/cancers12123638] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/28/2020] [Accepted: 12/01/2020] [Indexed: 12/19/2022] Open
Abstract
Wnt signaling governs tissue development, homeostasis, and regeneration. However, aberrant activation of Wnt promotes tumorigenesis. Despite the ongoing efforts to manipulate Wnt signaling, therapeutic targeting of Wnt signaling remains challenging. In this review, we provide an overview of current clinical trials to target Wnt signaling, with a major focus on gastrointestinal cancers. In addition, we discuss the caveats and alternative strategies for therapeutically targeting Wnt signaling for cancer treatment.
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Affiliation(s)
- Moon Jong Kim
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (M.J.K.); (Y.H.)
| | - Yuanjian Huang
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (M.J.K.); (Y.H.)
| | - Jae-Il Park
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (M.J.K.); (Y.H.)
- Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center and Health Science Center, Houston, TX 77030, USA
- Program in Genetics and Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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25
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Cheng J, Li Y, Zhang Y, Wang X, Sun F, Liu Y. Conditional deletion of Wntless in granulosa cells causes impaired corpora lutea formation and subfertility. Aging (Albany NY) 2020; 13:1001-1016. [PMID: 33291079 PMCID: PMC7835029 DOI: 10.18632/aging.202222] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 10/09/2020] [Indexed: 12/14/2022]
Abstract
WNT proteins are widely expressed in the murine ovaries. WNTLESS is a regulator essential for all WNTs secretion. However, the complexity and overlapping expression of WNT signaling cascades have prevented researchers from elucidating their function in the ovary. Therefore, to determine the overall effect of WNT on ovarian development, we depleted the Wntless gene in oocytes and granulosa cells. Our results indicated no apparent defect in fertility in oocyte-specific Wntless knockout mice. However, granulosa cell (GC) specific Wntless deletion mice were subfertile and recurred miscarriages. Further analysis found that GC-specific Wntless knockout mice had noticeably smaller corpus luteum (CL) in the ovaries than control mice, which is consistent with a significant reduction in luteal cell marker gene expression and a noticeable increase in apoptotic gene expression. Also, the deletion of Wntless in GCs led to a significant decrease in ovarian HCGR and β-Catenin protein levels. In conclusion, Wntless deficient oocytes had no discernible impact on mouse fertility. In contrast, the loss of Wntless in GCs caused subfertility and impaired CL formation due to reduced LHCGR and β-Catenin protein levels, triggering GC apoptosis.
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Affiliation(s)
- Jinmei Cheng
- Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong 226001, China.,Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Ningxia 751400, China
| | - Yinchuan Li
- Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong 226001, China
| | - Yan Zhang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiuxia Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Fei Sun
- Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong 226001, China
| | - Yixun Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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26
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Feng D, Yan K, Liang H, Liang J, Wang W, Yu H, Zhou Y, Zhao W, Dong Z, Ling B. CBP-mediated Wnt3a/β-catenin signaling promotes cervical oncogenesis initiated by Piwil2. Neoplasia 2020; 23:1-11. [PMID: 33190089 PMCID: PMC7674161 DOI: 10.1016/j.neo.2020.10.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/21/2020] [Accepted: 10/27/2020] [Indexed: 01/05/2023] Open
Abstract
Our previous work demonstrated that Piwil2 reactivated by the human papillomavirus oncoproteins E6 and E7 may reprogram somatic cells into tumor-initiating cells (TICs), which contribute to cervical neoplasia lesions. Maintaining the stemness of TICs is critical for the progression of cervical lesions. Here, we determined that canonical Wnt signaling was aberrantly activated in HaCaT cells transfected with lentivirus expressing Piwil2 and in cervical lesion specimens of low-grade squamous intraepithelial lesion, high-grade squamous intraepithelial lesion, and invasive carcinoma. Blocking the β-catenin and CREB binding protein interaction with ICG-001 significantly downregulated the reprogramming factors c-Myc, Nanog, Oct4, Sox2, and Klf4, thus leading to cell differentiation and preventing tumorigenicity in Piwil2-overexpressing HaCaT cells. Similarly, Piwil2 also critically regulated the canonical Wnt signaling pathway in cervical cancer. We further demonstrated that ICG-001 increased cisplatin sensitivity and significantly suppressed tumor growth of cervical cancer alone or in combination with cisplatin both in vitro and in vivo. The β-catenin/ CREB binding protein-mediated transcription activated by Piwil2 is essential for the maintenance of TICs, therefore contributing to the progression of cervical oncogenesis.
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Affiliation(s)
- Dingqing Feng
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China
| | - Keqin Yan
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China
| | - Haiyan Liang
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China
| | - Jing Liang
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China
| | - Wenhui Wang
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China; Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Huan Yu
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China
| | - Ying Zhou
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of University of Science and Technology of China, Hefei, China
| | - Weidong Zhao
- Department of Gynecology and Oncology, Anhui Provincial Cancer Hospital, Hefei, China
| | - Zhongjun Dong
- School of Medicine, Tsinghua University, Beijing, China
| | - Bin Ling
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China; Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
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27
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Wang HF, Warrier T, Farran CA, Zheng ZH, Xing QR, Fullwood MJ, Zhang LF, Li H, Xu J, Lim TM, Loh YH. Defining Essential Enhancers for Pluripotent Stem Cells Using a Features-Oriented CRISPR-Cas9 Screen. Cell Rep 2020; 33:108309. [PMID: 33113365 DOI: 10.1016/j.celrep.2020.108309] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 06/23/2020] [Accepted: 10/05/2020] [Indexed: 12/26/2022] Open
Abstract
cis-regulatory elements (CREs) regulate the expression of genes in their genomic neighborhoods and influence cellular processes such as cell-fate maintenance and differentiation. To date, there remain major gaps in the functional characterization of CREs and the identification of their target genes in the cellular native environment. In this study, we perform a features-oriented CRISPR-utilized systematic (FOCUS) screen of OCT4-bound CREs using CRISPR-Cas9 to identify functional enhancers important for pluripotency maintenance in mESCs. From the initial 235 candidates tested, 16 CREs are identified to be essential stem cell enhancers. Using RNA-seq and genomic 4C-seq, we further uncover a complex network of candidate CREs and their downstream target genes, which supports the growth and self-renewal of mESCs. Notably, an essential enhancer, CRE111, and its target, Lrrc31, form the important switch to modulate the LIF-JAK1-STAT3 signaling pathway.
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Affiliation(s)
- Hao Fei Wang
- Laboratory for Epigenetics, Stem Cells and Cell Therapy, Programme in Stem Cell, Regenerative Medicine and Aging, A(∗)STAR Institute of Molecular and Cell Biology, Singapore 138673, Singapore; Department of Biological Sciences, National University of Singapore, Singapore 117543, Singapore
| | - Tushar Warrier
- Laboratory for Epigenetics, Stem Cells and Cell Therapy, Programme in Stem Cell, Regenerative Medicine and Aging, A(∗)STAR Institute of Molecular and Cell Biology, Singapore 138673, Singapore; Department of Biological Sciences, National University of Singapore, Singapore 117543, Singapore
| | - Chadi A Farran
- Laboratory for Epigenetics, Stem Cells and Cell Therapy, Programme in Stem Cell, Regenerative Medicine and Aging, A(∗)STAR Institute of Molecular and Cell Biology, Singapore 138673, Singapore
| | - Zi Hao Zheng
- Laboratory for Epigenetics, Stem Cells and Cell Therapy, Programme in Stem Cell, Regenerative Medicine and Aging, A(∗)STAR Institute of Molecular and Cell Biology, Singapore 138673, Singapore
| | - Qiao Rui Xing
- Laboratory for Epigenetics, Stem Cells and Cell Therapy, Programme in Stem Cell, Regenerative Medicine and Aging, A(∗)STAR Institute of Molecular and Cell Biology, Singapore 138673, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore
| | - Melissa J Fullwood
- School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore; Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Li-Feng Zhang
- School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore
| | - Hu Li
- Center for Individualized Medicine, Department of Molecular Pharmacology & Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA
| | - Jian Xu
- Department of Biological Sciences and Centre for BioImaging Sciences, National University of Singapore, Singapore 117543, Singapore; Department of Plant Systems Physiology, Institute for Water and Wetland Research, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands.
| | - Tit-Meng Lim
- Department of Biological Sciences, National University of Singapore, Singapore 117543, Singapore.
| | - Yuin-Han Loh
- Laboratory for Epigenetics, Stem Cells and Cell Therapy, Programme in Stem Cell, Regenerative Medicine and Aging, A(∗)STAR Institute of Molecular and Cell Biology, Singapore 138673, Singapore; Department of Biological Sciences, National University of Singapore, Singapore 117543, Singapore; NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, 28 Medical Drive, Singapore 117456, Singapore; Department of Physiology, NUS Yong Loo Lin School of Medicine, 2 Medical Drive, MD9, Singapore 117593, Singapore.
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28
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Bian J, Dannappel M, Wan C, Firestein R. Transcriptional Regulation of Wnt/β-Catenin Pathway in Colorectal Cancer. Cells 2020; 9:cells9092125. [PMID: 32961708 PMCID: PMC7564852 DOI: 10.3390/cells9092125] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/14/2020] [Accepted: 09/17/2020] [Indexed: 02/07/2023] Open
Abstract
The Wnt/β-catenin signaling pathway exerts integral roles in embryogenesis and adult homeostasis. Aberrant activation of the pathway is implicated in growth-associated diseases and cancers, especially as a key driver in the initiation and progression of colorectal cancer (CRC). Loss or inactivation of Adenomatous polyposis coli (APC) results in constitutive activation of Wnt/β-catenin signaling, which is considered as an initiating event in the development of CRC. Increased Wnt/β-catenin signaling is observed in virtually all CRC patients, underscoring the importance of this pathway for therapeutic intervention. Prior studies have deciphered the regulatory networks required for the cytoplasmic stabilisation or degradation of the Wnt pathway effector, β-catenin. However, the mechanism whereby nuclear β-catenin drives or inhibits expression of Wnt target genes is more diverse and less well characterised. Here, we describe a brief synopsis of the core canonical Wnt pathway components, set the spotlight on nuclear mediators and highlight the emerging role of chromatin regulators as modulators of β-catenin-dependent transcription activity and oncogenic output.
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Affiliation(s)
- Jia Bian
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (J.B.); (M.D.); (C.W.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3800, Australia
| | - Marius Dannappel
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (J.B.); (M.D.); (C.W.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3800, Australia
| | - Chunhua Wan
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (J.B.); (M.D.); (C.W.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3800, Australia
| | - Ron Firestein
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (J.B.); (M.D.); (C.W.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3800, Australia
- Correspondence:
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29
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Navarro M, Soto DA, Pinzon CA, Wu J, Ross PJ. Livestock pluripotency is finally captured in vitro. Reprod Fertil Dev 2020; 32:11-39. [PMID: 32188555 DOI: 10.1071/rd19272] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Pluripotent stem cells (PSCs) have demonstrated great utility in improving our understanding of mammalian development and continue to revolutionise regenerative medicine. Thanks to the improved understanding of pluripotency in mice and humans, it has recently become feasible to generate stable livestock PSCs. Although it is unlikely that livestock PSCs will be used for similar applications as their murine and human counterparts, new exciting applications that could greatly advance animal agriculture are being developed, including the use of PSCs for complex genome editing, cellular agriculture, gamete generation and invitro breeding schemes.
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Affiliation(s)
- Micaela Navarro
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA 95616, USA
| | - Delia A Soto
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA 95616, USA
| | - Carlos A Pinzon
- Department of Molecular Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA
| | - Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA; and Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA
| | - Pablo J Ross
- Department of Animal Science, University of California, 450 Bioletti Way, Davis, CA 95616, USA; and Corresponding author.
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Hettler F, Schreck C, Marquez SR, Sippenauer T, Koller F, Demir E, Bassermann F, Istvanffy R, Oostendorp R. 2010 – MICROENVIRONMENTAL SFRP1 REGULATES REPOPULATING ACTIVITY OF HEMATOPOIETIC STEM CELLS VIA PP2A-MEDIATED REGULATION OF CTNNB1/EP300. Exp Hematol 2020. [DOI: 10.1016/j.exphem.2020.09.172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Deng Y, Lao Y, Ruan Q, Zhang J, Luo C, Shi D, Lu F. Activation of Wnt/β-Catenin Signaling Pathway Enhances the Derivation of Buffalo ( Bubalus bubalis) Embryonic Stem Cell-Like Cells. Cell Reprogram 2020; 22:217-225. [PMID: 32673062 DOI: 10.1089/cell.2020.0027] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Wnt/β-Catenin signaling pathway plays an important role in maintaining self-renewal and pluripotency of human and mouse embryonic stem cells (ESCs). Activation of Wnt/β-Catenin signaling pathway by glycogen synthase kinase-3 (GSK3) inhibitor, the Wnt signaling agonist, could maintain the pluripotency of human and mouse ESCs in the presence of serum. However, the role of signaling pathway in the derivation of buffalo ESCs remains unclear. In this study, we used GSK3 inhibitors (6-bromoindirubin-3'-oxime [BIO] and CHIR99021) and investigated the effect of Wnt/β-Catenin activation on colony formation, proliferation, self-renewal, and pluripotency of Chinese swamp buffalo (buffalo) embryonic stem cell-like cells (ES-like cells), which were isolated from blastocysts. The results showed that buffalo ES-like cells displayed typical morphological characteristics of pluripotent stem cells: positive for alkaline phosphatase staining, expression of pluripotent markers, including OCT4, SOX2, SSEA-1, SSEA-4, LIN28, CH1, NANOG, and the proliferative markers, PCNA and C-MYC. Furthermore, activation of Wnt/β-Catenin signaling pathway by GSK3 inhibitors could promote colony formation and proliferation of buffalo ES-like cells and maintain their undifferentiated state, and upregulate the expression levels of pluripotent-related genes and proliferation-related genes. These results indicated that Wnt/β-Catenin signaling pathway plays an important role in the derivation and pluripotency of buffalo ES-like cells.
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Affiliation(s)
- Yanfei Deng
- Animal Reproduction Institute, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Guangxi, China
| | - Yanping Lao
- Animal Reproduction Institute, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Guangxi, China
| | - Qiuyan Ruan
- Animal Reproduction Institute, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Guangxi, China
| | - Jun Zhang
- Animal Reproduction Institute, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Guangxi, China
| | - Chan Luo
- Animal Reproduction Institute, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Guangxi, China
| | - Deshun Shi
- Animal Reproduction Institute, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Guangxi, China
| | - Fenghua Lu
- Animal Reproduction Institute, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Guangxi, China
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Rivetti S, Chen C, Chen C, Bellusci S. Fgf10/Fgfr2b Signaling in Mammary Gland Development, Homeostasis, and Cancer. Front Cell Dev Biol 2020; 8:415. [PMID: 32676501 PMCID: PMC7333592 DOI: 10.3389/fcell.2020.00415] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/05/2020] [Indexed: 12/11/2022] Open
Abstract
Fibroblast growth factor 10 (Fgf10) is a secreted ligand acting via the Fibroblast growth factor receptor 2b (Fgfr2b). Fgf10/Fgfr2b signaling plays important roles both in the epithelium and in the mesenchyme during mammary gland development. Evidence in mice show that Fgf10 is critical for the induction of four out of five of the mammary placodes and for the formation of the white adipose tissue. Fgfr2b ligands also play important function in the maintenance of the terminal end buds, specialized structures at the tip of the ramified ducts during the postnatal phase of mammary gland development. Finally, in humans, FGF10 has been described to be expressed in 10% of the breast adenocarcinoma and activation of FGFR2b signaling correlates with a worse prognostic. Therefore, Fgf10 plays pleiotropic roles in both mammary gland development, homeostasis and cancer and elucidating its mechanism of action and cellular targets will be crucial to either enhance mammary gland development or to find innovative targets to treat aggressive breast cancer.
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Affiliation(s)
- Stefano Rivetti
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, Department of Pulmonary and Critical Care Medicine, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Cardio-Pulmonary Institute and Institute of Lung Health, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research, Justus-Liebig-University Giessen, Giessen, Germany
| | - Chaolei Chen
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, Department of Pulmonary and Critical Care Medicine, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chengshui Chen
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, Department of Pulmonary and Critical Care Medicine, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Saverio Bellusci
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, Department of Pulmonary and Critical Care Medicine, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Cardio-Pulmonary Institute and Institute of Lung Health, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research, Justus-Liebig-University Giessen, Giessen, Germany
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Lim Y, Lee JY, Ha SJ, Yu S, Shin JK, Kim HC. Proteome-wide identification of arginine methylation in colorectal cancer tissues from patients. Proteome Sci 2020; 18:6. [PMID: 32467672 PMCID: PMC7236946 DOI: 10.1186/s12953-020-00162-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 05/12/2020] [Indexed: 12/21/2022] Open
Abstract
Background Protein arginine methylation reaction is catalyzed by protein arginine methyltransferase (PRMT) and the modification is implicated in various diseases including cancer. Currently, thousands of arginine methylation sites have been identified using high-resolution mass spectrometry-based proteomics technology. However, identification of arginine methylation using clinical samples at proteome level has not been reported yet. The objective of the present study was to identify, monomethyl-arginine (MMA) and asymmetric dimethyl-arginine (ADMA) sites in colorectal cancer (CRC) tissues at proteome level. Methods Pooled CRC tissue samples from 10 patients with stage II and III were digested by trypsin and these digests were further processed and lyophilized. Using monomethyl- or asymmetric dimethyl arginine (MMA or ADMA, respectively) motif kits, methylarginine-containing peptides were enriched and subsequently analyzed by high-resolution LC-MS/MS. DLD1 and HCT116 colon cancer cells were treated with type I PRMTs inhibitor (MS023) alone or combined with SN-38, and the effect of the drugs on CRC cell proliferation and apoptosis was measured by water-soluble tetrazolium salt (WST-1) assay and FACS analysis, respectively. Results In the present study, 455 MMA sites of 272 proteins and 314 ADMA sites of 155 proteins were identified from CRC tissues acquired from patients. In addition, 216 methylation sites and 75 substrates for PRMTs were newly identified. These results reveal the significant presence of MMA and ADMA sites on nucleic acid binding proteins and protein complexes involved in transcription. To investigate the effect of protein arginine methylation in CRC proliferation and apoptosis, MS023 was treated to two CRC cell lines. After 48 h treatment with various concentrations of MS023, CRC cell proliferation was significantly suppressed, with concomitant apoptosis induction. Furthermore, MS023 treatment significantly enhanced the inhibitory effect of SN-38 on CRC cell proliferation. Conclusion This work reports the first comprehensive analysis of arginine methylation with clinical sample and suggests that type I PRMTs are potential therapeutic targets for drug discovery in CRC.
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Affiliation(s)
- Yongchul Lim
- 1Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-ro, Gangnam-gu, Seoul, 135-710 South Korea
| | - Ju Yeon Lee
- 2Korea Basic Science Institute, Research Center for Bioconvergence Analysis, Ochang, South Korea
| | - Su Jin Ha
- 1Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-ro, Gangnam-gu, Seoul, 135-710 South Korea
| | - Suyeun Yu
- 3Department of Preventive Medicine, College of Medicine, Korea University, Seoul, South Korea
| | - Jung Kyong Shin
- 1Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-ro, Gangnam-gu, Seoul, 135-710 South Korea
| | - Hee Cheol Kim
- 1Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-ro, Gangnam-gu, Seoul, 135-710 South Korea
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Lai KKY, Nguyen C, Lee KS, Lee A, Lin DP, Teo JL, Kahn M. Convergence of Canonical and Non-Canonical Wnt Signal: Differential Kat3 Coactivator Usage. Curr Mol Pharmacol 2020; 12:167-183. [PMID: 30836930 PMCID: PMC6687580 DOI: 10.2174/1874467212666190304121131] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 01/30/2019] [Accepted: 02/06/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND The ancient and highly evolutionarily conserved Wnt signaling pathway is critical in nearly all tissues and organs for an organism to develop normally from embryo through adult. Wnt signaling is generally parsed into "canonical" or Wnt-β-catenin-dependent or "non-canonical" β-catenin-independent signaling. Even though designating Wnt signaling as either canonical or noncanonical allows for easier conceptual discourse about this signaling pathway, in fact canonical and non-canonical Wnt crosstalk regulates complex nonlinear networks. OBJECTIVE In this perspective, we discuss the integration of canonical and non-canonical Wnt signaling via differential Kat3 (CBP and p300) coactivator usage, thereby regulating and coordinating gene expression programs associated with both proliferation and cellular differentiation and morphogenesis. METHODS Pharmacologic inhibitors, cell culture, real-time PCR, chromatin immunoprecipitation, protein immunoprecipitation, Western blotting, reporter-luciferase, protein purification, site-directed mutagenesis, in vitro phosphorylation and binding assays, and immunofluorescence were utilized. CONCLUSION Coordinated integration between both canonical and non-canonical Wnt pathways appears to be crucial not only in the control of fundamental morphologic processes but also in the regulation of normal as well as pathologic events. Such integration between both canonical and non-canonical Wnt signaling is presumably effected via reversible phosphorylation mechanism (e.g., protein kinase C) to regulate differential β -catenin/Kat3 coactivator usage in order to coordinate proliferation with differentiation and adhesion.
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Affiliation(s)
- Keane K Y Lai
- Department of Pathology, City of Hope National Medical Center, Duarte, California, United States.,Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, California, United States.,City of Hope Comprehensive Cancer Center, Duarte, California, United States
| | - Cu Nguyen
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, California, United States
| | - Kyung-Soon Lee
- Department of Pharmacology, University of Washington, Seattle, Washington, United States
| | - Albert Lee
- Children's Hospital Los Angeles, Los Angeles, California, United States
| | - David P Lin
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, California, United States
| | - Jia-Ling Teo
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, California, United States
| | - Michael Kahn
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, California, United States.,City of Hope Comprehensive Cancer Center, Duarte, California, United States
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Fathi Maroufi N, Hasegawa K, Vahedian V, Nazari Soltan Ahmad S, Zarebkohan A, Miresmaeili Mazrakhondi SA, Hosseini V, Rahbarghazi R. A glimpse into molecular mechanisms of embryonic stem cells pluripotency: Current status and future perspective. J Cell Physiol 2020; 235:6377-6392. [DOI: 10.1002/jcp.29616] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 01/09/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Nazila Fathi Maroufi
- Stem Cell and Regenerative Medicine InstituteTabriz University of Medical Sciences Tabriz Iran
- Student Research CommitteeTabriz University of Medical Sciences Tabriz Iran
- Department of Biochemistry and Clinical Laboratories, Faculty of MedicineTabriz University of Medical Sciences Tabriz Iran
| | - Kouichi Hasegawa
- Institute for Integrated Cell‐Material Sciences, Institute for Advanced StudyKyoto University Kyoto Japan
| | - Vahid Vahedian
- Department of Medical Laboratory Sciences, Faculty of MedicineIslamic Azad University Sari Iran
- Clinical Laboratory Medicine DepartmentRofeydeh Hospital University of Social Welfare and Rehabilitation Science Tehran Iran
| | - Saeed Nazari Soltan Ahmad
- Department of Biochemistry and Clinical Laboratories, Faculty of MedicineTabriz University of Medical Sciences Tabriz Iran
| | - Amir Zarebkohan
- Department of Medical Nanotechnology, Faculty of Advanced Medical SciencesTabriz University of Medical Sciences Tabriz Iran
| | | | - Vahid Hosseini
- Department of Biochemistry and Clinical Laboratories, Faculty of MedicineTabriz University of Medical Sciences Tabriz Iran
- Tuberculosis and Lung Disease Research CenterTabriz University of Medical Sciences Tabriz Iran
| | - Reza Rahbarghazi
- Tuberculosis and Lung Disease Research CenterTabriz University of Medical Sciences Tabriz Iran
- Department of Applied Cell Sciences, Faculty of Advanced Medical SciencesTabriz University of Medical Sciences Tabriz Iran
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36
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Bankova LG, Barrett NA. Epithelial cell function and remodeling in nasal polyposis. Ann Allergy Asthma Immunol 2020; 124:333-341. [PMID: 32007569 DOI: 10.1016/j.anai.2020.01.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 01/22/2020] [Accepted: 01/23/2020] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To review the latest discoveries on airway epithelial cell diversity and remodeling in type 2 inflammation, including nasal polyposis. DATA SOURCES Reviews and primary research manuscripts were identified from PubMed, Google, and Bioarchives, using the search words airway epithelium, nasal polyposis, or chronic rhinosinusitis with nasal polyposis AND basal cell, ciliated cell, secretory cell, goblet cell, neuroendocrine cell, pulmonary neuroendocrine cell, ionocyte, brush cell, solitary chemosensory cell, microvillus cell, or tuft cell. STUDY SELECTIONS Studies were selected based on novelty and likely relevance to airway epithelial innate immune functions or the pathobiology of type 2 inflammation. RESULTS Airway epithelial cells are more diverse than previously appreciated, with specialized subsets, including ionocytes, solitary chemosensory cells, and neuroendocrine cells that contribute to important innate immune functions. In chronic rhinosinusitis with nasal polyposis, the composition of the epithelium is significantly altered. Loss of ciliated cells and submucosal glands and an increase in basal airway epithelial progenitors leads to loss of innate immune functions and an expansion of proinflammatory potential. Type 2 cytokines play a major role in driving this process. CONCLUSION Airway epithelial remodeling in chronic rhinosinusitis is extensive, leading to loss of innate immune function and enhanced proinflammatory potential. The mechanisms driving airway remodeling and its sequelae deserve further attention before restitution of epithelial differentiation can be considered a reasonable therapeutic target.
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Affiliation(s)
- Lora G Bankova
- Division of Allergy and Clinical Immunology, Harvard Medical School and Brigham and Women's Hospital, Boston, Massachusetts
| | - Nora A Barrett
- Division of Allergy and Clinical Immunology, Harvard Medical School and Brigham and Women's Hospital, Boston, Massachusetts.
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37
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Bordonaro M. Hypothesis: Retinoblastoma protein inactivation mediates effects of histone deacetylase inhibitor-induced Wnt hyperactivation in colorectal cancer cells. J Cancer 2020; 11:668-677. [PMID: 31942190 PMCID: PMC6959039 DOI: 10.7150/jca.37864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/26/2019] [Indexed: 01/30/2023] Open
Abstract
Butyrate, a product of dietary fiber and a histone deacetylase inhibitor, induces apoptosis of colorectal cancer cells; this effect of butyrate is in part mediated by its ability to hyperactivate Wnt signaling, and may in part explain the preventive action of dietary fiber against colorectal cancer. However, the mechanisms by which Wnt hyperactivation promotes apoptosis are unknown. Inactivation of the retinoblastoma tumor suppressor occurs in some cancers and can lead to context-dependent cell proliferation or cell death/apoptosis. The function of retinoblastoma protein (Rb) in normal cells is modulation of cell cycle; inactivation of Rb allows for cell cycle progression and, hence, cell proliferation. Wnt signaling is upregulated in a variety of cancers, and deregulated Wnt signaling is a key initiating event in most cases of sporadic colorectal cancer. It has been shown that Wnt signaling activated by APC inactivation can synergize with the inactivation of Rb to induce apoptosis in a manner mediated by increased TORC1 activity, leading to induced metabolic and energy stress. Rb is typically not inactivated in colorectal cancer; however, Rb is phosphorylated and deactivated during cell cycle G1/S transition. This manuscript posits that it is during this time that butyrate/histone deacetylase inhibitor-induced Wnt hyperactivation induces apoptosis in colorectal cancer cells. Thus, the inactivation of Rb in cell cycle progression may synergize with Wnt hyperactivation to induce apoptosis in response to histone deacetylase inhibitors. The hypothesis is that hyperactivation of Wnt signaling enhances colorectal cancer cell apoptosis via the interaction between upregulated Wnt signaling and inactivated Rb during cell cycle progression. This paper discusses this hypothesis and offers initial experimental approaches for testing the hypothesis. A better understanding of how histone deacetylase inhibitors induce colorectal cancer cell apoptosis through hyperactivation of Wnt signaling, and of cross-talk between repression of cell cycle and induction of apoptosis that occurs with treatment with histone deacetylase inhibitors, can assist in the development of novel therapies for colorectal cancer.
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Affiliation(s)
- Michael Bordonaro
- Department of Medical Education, Geisinger Commonwealth School of Medicine, 525 Pine Street, Scranton, PA 18509, USA
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38
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Bild A, Teo JL, Kahn M. Enhanced Kat3A/Catenin transcription: a common mechanism of therapeutic resistance. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2019; 2:917-932. [PMID: 32426696 PMCID: PMC7234864 DOI: 10.20517/cdr.2019.32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/04/2019] [Accepted: 06/18/2019] [Indexed: 11/12/2022]
Abstract
Cancers are heterogeneous at the cellular level. Cancer stem cells/tumor initiating cells (CSC/TIC) both initiate tumorigenesis and are responsible for therapeutic resistance and disease relapse. Elimination of CSC/TIC should therefore be able to reverse therapy resistance. In principle, this could be accomplished by either targeting cancer stem cell surface markers or "stemness" pathways. Although the successful therapeutic elimination of "cancer stemness" is a critical goal, it is complex in that it should be achieved without depletion of or increases in somatic mutations in normal tissue stem cell populations. In this perspective, we will discuss the prospects for this goal via pharmacologically targeting differential Kat3 coactivator/Catenin usage, a fundamental transcriptional control mechanism in stem cell biology.
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Affiliation(s)
- Andrea Bild
- Department of Medical Oncology & Therapeutics Research, Beckman Research Institute of the City of Hope, Duarte, CA 91010, USA
| | - Jia-Ling Teo
- Department of Molecular Medicine, Beckman Research Institute of the City of Hope, Duarte, CA 91010, USA
| | - Michael Kahn
- Department of Molecular Medicine, Beckman Research Institute of the City of Hope, Duarte, CA 91010, USA
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Kong D, Chen J, Sun X, Lin Y, Du Y, Huang D, Cheng H, He P, Yang L, Wu S, Zhao L, Meng X. GRIM-19 over-expression represses the proliferation and invasion of orthotopically implanted hepatocarcinoma tumors associated with downregulation of Stat3 signaling. Biosci Trends 2019; 13:342-350. [DOI: 10.5582/bst.2019.01185] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Dexia Kong
- Department of Gastroenterology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College
| | - Junyu Chen
- Department of Gynaecology and Obstetrics, Second Hospital of Jilin University
| | - Xun Sun
- Department of Gastroenterology, First Hospital of Jilin University
| | - Yan Lin
- Department of Gastroenterology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College
| | - Yanwei Du
- Department of Pathophysiology, Basic Medicine School of Jilin University
| | - Di Huang
- Department of Pathophysiology, Basic Medicine School of Jilin University
| | - Hongjing Cheng
- Department of Gastroenterology, First Hospital of Jilin University
| | - Ping He
- Department of Gastroenterology, First Hospital of Jilin University
| | - Luoluo Yang
- Department of Gastroenterology, First Hospital of Jilin University
| | - Shan Wu
- Department of Gynaecology and Obstetrics, Second Hospital of Jilin University
| | - Lijing Zhao
- Department of Recovery, Nursing School of Jilin University
| | - Xiangwei Meng
- Department of Gastroenterology, First Hospital of Jilin University
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40
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Lukaszewicz AI, Nguyen C, Melendez E, Lin DP, Teo JL, Lai KKY, Huttner WB, Shi SH, Kahn M. The Mode of Stem Cell Division Is Dependent on the Differential Interaction of β-Catenin with the Kat3 Coactivators CBP or p300. Cancers (Basel) 2019; 11:cancers11070962. [PMID: 31324005 PMCID: PMC6678591 DOI: 10.3390/cancers11070962] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/02/2019] [Accepted: 07/04/2019] [Indexed: 01/03/2023] Open
Abstract
Normal long-term repopulating somatic stem cells (SSCs) preferentially divide asymmetrically, with one daughter cell remaining in the niche and the other going on to be a transient amplifying cell required for generating new tissue in homeostatic maintenance and repair processes, whereas cancer stem cells (CSCs) favor symmetric divisions. We have previously proposed that differential β-catenin modulation of transcriptional activity via selective interaction with either the Kat3 coactivator CBP or its closely related paralog p300, regulates symmetric versus asymmetric division in SSCs and CSCs. We have previously demonstrated that SSCs that divide asymmetrically per force retain one of the dividing daughter cells in the stem cell niche, even when treated with specific CBP/β-catenin antagonists, whereas CSCs can be removed from their niche via forced stochastic symmetric differentiative divisions. We now demonstrate that loss of p73 in early corticogenesis biases β-catenin Kat3 coactivator usage and enhances β-catenin/CBP transcription at the expense of β-catenin/p300 transcription. Biased β-catenin coactivator usage has dramatic consequences on the mode of division of neural stem cells (NSCs), but not neurogenic progenitors. The observed increase in symmetric divisions due to enhanced β-catenin/CBP interaction and transcription leads to an immediate increase in NSC symmetric differentiative divisions. Moreover, we demonstrate for the first time that the complex phenotype caused by the loss of p73 can be rescued in utero by treatment with the small-molecule-specific CBP/β-catenin antagonist ICG-001. Taken together, our results demonstrate the causal relationship between the choice of β-catenin Kat3 coactivator and the mode of stem cell division.
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Affiliation(s)
- Agnes I Lukaszewicz
- Department of Biochemistry and Molecular Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Cu Nguyen
- Center for Molecular Pathways and Drug Discovery, University of Southern California, Los Angeles, CA 90033, USA
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Elizabeth Melendez
- Center for Molecular Pathways and Drug Discovery, University of Southern California, Los Angeles, CA 90033, USA
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - David P Lin
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Jia-Ling Teo
- Center for Molecular Pathways and Drug Discovery, University of Southern California, Los Angeles, CA 90033, USA
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Keane K Y Lai
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
- Department of Pathology, City of Hope National Medical Center, Duarte, CA 91010, USA
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | - Wieland B Huttner
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden 01307, Germany
| | - Song-Hai Shi
- Developmental Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Michael Kahn
- Department of Biochemistry and Molecular Medicine, University of Southern California, Los Angeles, CA 90033, USA.
- Center for Molecular Pathways and Drug Discovery, University of Southern California, Los Angeles, CA 90033, USA.
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA.
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA.
- Department of Molecular Pharmacology and Toxicology, University of Southern California, Los Angeles, CA 90033, USA.
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90033, USA.
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Johari B, Asadi Z, Rismani E, Maghsood F, Sheikh Rezaei Z, Farahani S, Madanchi H, Kadivar M. Inhibition of transcription factor T-cell factor 3 (TCF3) using the oligodeoxynucleotide strategy increases embryonic stem cell stemness: possible application in regenerative medicine. Cell Biol Int 2019; 43:852-862. [PMID: 31033094 DOI: 10.1002/cbin.11153] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 03/10/2019] [Accepted: 04/24/2019] [Indexed: 12/22/2022]
Abstract
The transcription factor T-cell factor 3 (TCF3), one component of the Wnt pathway, is known as a cell-intrinsic inhibitor of many pluripotency genes in embryonic stem cells (ESCs) that influences the balance between pluripotency and differentiation. In this study, the effects of inhibition of TCF3 transcription factor on the stemness of mouse ESCs (mESCs) were investigated using the decoy oligodeoxynucleotides (ODNs) strategy. The TCF3 decoy and its scramble ODNs were designed and synthesized. The interaction specificity of the TCF3 decoy with the TCF3 transcription factor was evaluated by the electrophoretic mobility shift assay. Subcellular localization was carried out using fluorescence and confocal microscopy. Self-renewal and pluripotency of mESCs were analyzed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), cell cycle and apoptosis, alkaline phosphatase (ALP), embryoid body (EB) formation, and real-time assays. All experiments were performed in triplicate. The results showed that knockdown of TCF3 by decoy ODNs transfection in mESCs led to an increase in the cell proliferation, ALP enzyme activity, and master regulatory stemness genes and a decrease in the number and diameter of EBs. These results supported TCF3 as a potential target to maintain the pluripotency and self-renewal capacity of mESCs. Knockdown of the TCF3 transcription factor using decoy ODNs can be a promising method to maintain the stemness of stem cells in regenerative medicine and cell therapy researches.
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Affiliation(s)
- Behrooz Johari
- Student Research Committee, Zanjan University of Medical Sciences, Zanjan, Iran.,Department of Medical Biotechnology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Zoleykha Asadi
- Department of Medical Biotechnology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Elham Rismani
- Deartment of Molecular Medicine, Pasteur Institute of Iran, Tehran, Iran
| | - Faezeh Maghsood
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
| | | | - Sima Farahani
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
| | - Hamid Madanchi
- Department and Center for Biotechnology Research, Semnan University of Medical Sciences, Semnan, Iran
| | - Mehdi Kadivar
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
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Wang C, Han X, Zhou Z, Uyunbilig B, Huang X, Li R, Li X. Wnt3a Activates the WNT-YAP/TAZ Pathway to Sustain CDX2 Expression in Bovine Trophoblast Stem Cells. DNA Cell Biol 2019; 38:410-422. [DOI: 10.1089/dna.2018.4458] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Chen Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestocks, Inner Mongolia University, Hohhot, China
| | - Xuejie Han
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestocks, Inner Mongolia University, Hohhot, China
| | - Zhengwei Zhou
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestocks, Inner Mongolia University, Hohhot, China
| | - Borjigin Uyunbilig
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestocks, Inner Mongolia University, Hohhot, China
| | - Xianghua Huang
- Department of Urology, Inner Mongolia Autonomous Region People's Hospital, Hohhot, China
| | - Rongfeng Li
- State Key Laboratories of Reproductive Medicine, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, China
| | - Xueling Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestocks, Inner Mongolia University, Hohhot, China
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Pedone E, Marucci L. Role of β-Catenin Activation Levels and Fluctuations in Controlling Cell Fate. Genes (Basel) 2019; 10:genes10020176. [PMID: 30823613 PMCID: PMC6410200 DOI: 10.3390/genes10020176] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 02/18/2019] [Indexed: 12/12/2022] Open
Abstract
Cells have developed numerous adaptation mechanisms to external cues by controlling signaling-pathway activity, both qualitatively and quantitatively. The Wnt/β-catenin pathway is a highly conserved signaling pathway involved in many biological processes, including cell proliferation, differentiation, somatic cell reprogramming, development, and cancer. The activity of the Wnt/β-catenin pathway and the temporal dynamics of its effector β-catenin are tightly controlled by complex regulations. The latter encompass feedback loops within the pathway (e.g., a negative feedback loop involving Axin2, a β-catenin transcriptional target) and crosstalk interactions with other signaling pathways. Here, we provide a review shedding light on the coupling between Wnt/β-catenin activation levels and fluctuations across processes and cellular systems; in particular, we focus on development, in vitro pluripotency maintenance, and cancer. Possible mechanisms originating Wnt/β-catenin dynamic behaviors and consequently driving different cellular responses are also reviewed, and new avenues for future research are suggested.
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Affiliation(s)
- Elisa Pedone
- Department of Engineering Mathematics, University of Bristol, Bristol, BS8 1UB, UK.
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK.
| | - Lucia Marucci
- Department of Engineering Mathematics, University of Bristol, Bristol, BS8 1UB, UK.
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK.
- BrisSynBio, Bristol, BS8 1TQ, UK.
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Jones MR, Dilai S, Lingampally A, Chao CM, Danopoulos S, Carraro G, Mukhametshina R, Wilhelm J, Baumgart-Vogt E, Al Alam D, Chen C, Minoo P, Zhang JS, Bellusci S. A Comprehensive Analysis of Fibroblast Growth Factor Receptor 2b Signaling on Epithelial Tip Progenitor Cells During Early Mouse Lung Branching Morphogenesis. Front Genet 2019; 9:746. [PMID: 30728831 PMCID: PMC6351499 DOI: 10.3389/fgene.2018.00746] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 12/27/2018] [Indexed: 01/10/2023] Open
Abstract
This study demonstrates that FGF10/FGFR2b signaling on distal epithelial progenitor cells, via ß-catenin/EP300, controls, through a comprehensive set of developmental genes, morphogenesis, and differentiation. Fibroblast growth factor (FGF) 10 signaling through FGF receptor 2b (FGFR2b) is mandatory during early lung development as the deletion of either the ligand or the receptor leads to lung agenesis. However, this drastic phenotype previously hampered characterization of the primary biological activities, immediate downstream targets and mechanisms of action. Through the use of a dominant negative transgenic mouse model (Rosa26rtTA; tet(o)sFgfr2b), we conditionally inhibited FGF10 signaling in vivo in E12.5 embryonic lungs via doxycycline IP injection to pregnant females, and in vitro by culturing control and experimental lungs with doxycycline. The impact on branching morphogenesis 9 h after doxycycline administration was analyzed by morphometry, fluorescence and electron microscopy. Gene arrays at 6 and 9 h following doxycycline administration were carried out. The relationship between FGF10 and ß-catenin signaling was also analyzed through in vitro experiments using IQ1, a pharmacological inhibitor of ß-catenin/EP300 transcriptional activity. Loss of FGF10 signaling did not impact proliferation or survival, but affected both adherens junctions (up-regulation of E-cadherin), and basement membrane organization (increased laminin). Gene arrays identified multiple direct targets of FGF10, including main transcription factors. Immunofluorescence showed a down-regulation of the distal epithelial marker SOX9 and mis-expression distally of the proximal marker SOX2. Staining for the transcriptionally-active form of ß-catenin showed a reduction in experimental vs. control lungs. In vitro experiments using IQ1 phenocopied the impacts of blocking FGF10. This study demonstrates that FGF10/FGFR2b signaling on distal epithelial progenitor cells via ß-catenin/EP300 controls, through a comprehensive set of developmental genes, cell adhesion, and differentiation.
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Affiliation(s)
- Matthew R Jones
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Internal Medicine II, Member of the German Lung Center, Excellence Cluster Cardio-Pulmonary Systems, University of Giessen Lung Center, Giessen, Germany
| | - Salma Dilai
- Department of Internal Medicine II, Member of the German Lung Center, Excellence Cluster Cardio-Pulmonary Systems, University of Giessen Lung Center, Giessen, Germany
| | - Arun Lingampally
- Department of Internal Medicine II, Member of the German Lung Center, Excellence Cluster Cardio-Pulmonary Systems, University of Giessen Lung Center, Giessen, Germany
| | - Cho-Ming Chao
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Internal Medicine II, Member of the German Lung Center, Excellence Cluster Cardio-Pulmonary Systems, University of Giessen Lung Center, Giessen, Germany
| | - Soula Danopoulos
- Developmental Biology and Regenerative Medicine Program, Saban Research Institute of Children's Hospital Los Angeles and University of Southern California, Los Angeles, CA, United States
| | - Gianni Carraro
- Department of Medicine, Cedars-Sinai Medical Center, Lung and Regenerative Medicine Institutes, Los Angeles, CA, United States
| | - Regina Mukhametshina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Jochen Wilhelm
- Department of Internal Medicine II, Member of the German Lung Center, Excellence Cluster Cardio-Pulmonary Systems, University of Giessen Lung Center, Giessen, Germany
| | - Eveline Baumgart-Vogt
- Department of Internal Medicine II, Member of the German Lung Center, Excellence Cluster Cardio-Pulmonary Systems, University of Giessen Lung Center, Giessen, Germany
| | - Denise Al Alam
- Developmental Biology and Regenerative Medicine Program, Saban Research Institute of Children's Hospital Los Angeles and University of Southern California, Los Angeles, CA, United States
| | - Chengshui Chen
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Parviz Minoo
- Division of Newborn Medicine, Department of Pediatrics, Children's Hospital Los Angeles, University of Southern California, Los Angeles, CA, United States
| | - Jin San Zhang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,Institute of Life Sciences, Wenzhou University, Zhejiang, China.,International Collaborative Research Center on Growth Factors, Wenzhou Medical University, Zhejiang, China
| | - Saverio Bellusci
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Internal Medicine II, Member of the German Lung Center, Excellence Cluster Cardio-Pulmonary Systems, University of Giessen Lung Center, Giessen, Germany.,Developmental Biology and Regenerative Medicine Program, Saban Research Institute of Children's Hospital Los Angeles and University of Southern California, Los Angeles, CA, United States.,Institute of Life Sciences, Wenzhou University, Zhejiang, China.,International Collaborative Research Center on Growth Factors, Wenzhou Medical University, Zhejiang, China
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45
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Banerjee A, Jothimani G, Prasad SV, Marotta F, Pathak S. Targeting Wnt Signaling through Small molecules in Governing Stem Cell Fate and Diseases. Endocr Metab Immune Disord Drug Targets 2019; 19:233-246. [PMID: 30657051 DOI: 10.2174/1871530319666190118103907] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 08/27/2018] [Accepted: 01/07/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND The conserved Wnt/β-catenin signaling pathway is responsible for multiple functions including regulation of stem cell pluripotency, cell migration, self-renewability and cell fate determination. This signaling pathway is of utmost importance, owing to its ability to fuel tissue repair and regeneration of stem cell activity in diverse organs. The human adult stem cells including hematopoietic cells, intestinal cells, mammary and mesenchymal cells rely on the manifold effects of Wnt pathway. The consequences of any dysfunction or manipulation in the Wnt genes or Wnt pathway components result in specific developmental defects and may even lead to cancer, as it is often implicated in stem cell control. It is absolutely essential to possess a comprehensive understanding of the inhibition and/ or stimulation of the Wnt signaling pathway which in turn is implicated in determining the fate of the stem cells. RESULTS In recent years, there has been considerable interest in the studies associated with the implementation of small molecule compounds in key areas of stem cell biology including regeneration differentiation, proliferation. In support of this statement, small molecules have unfolded as imperative tools to selectively activate and inhibit specific developmental signaling pathways involving the less complex mechanism of action. These compounds have been reported to modulate the core molecular mechanisms by which the stem cells regenerate and differentiate. CONCLUSION This review aims to provide an overview of the prevalent trends in the small molecules based regulation of stem cell fate via targeting the Wnt signaling pathway.
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Affiliation(s)
- Antara Banerjee
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam 603 103, India
| | - Ganesan Jothimani
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam 603 103, India
| | - Suhanya Veronica Prasad
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam 603 103, India
| | - Francesco Marotta
- ReGenera R&D International for Aging Intervention, Milano, Italy and San Babila Clinic, Healthy Aging Unit by Genomics and Biotechnology, Milano, Italy
| | - Surajit Pathak
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam 603 103, India
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Ring A, Nguyen C, Smbatyan G, Tripathy D, Yu M, Press M, Kahn M, Lang JE. CBP/β-Catenin/FOXM1 Is a Novel Therapeutic Target in Triple Negative Breast Cancer. Cancers (Basel) 2018; 10:cancers10120525. [PMID: 30572639 PMCID: PMC6315782 DOI: 10.3390/cancers10120525] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 12/11/2018] [Accepted: 12/13/2018] [Indexed: 12/19/2022] Open
Abstract
Background: Triple negative breast cancers (TNBCs) are an aggressive BC subtype, characterized by high rates of drug resistance and a high proportion of cancer stem cells (CSC). CSCs are thought to be responsible for tumor initiation and drug resistance. cAMP-response element-binding (CREB) binding protein (CREBBP or CBP) has been implicated in CSC biology and may provide a novel therapeutic target in TNBC. Methods: RNA Seq pre- and post treatment with the CBP-binding small molecule ICG-001 was used to characterize CBP-driven gene expression in TNBC cells. In vitro and in vivo TNBC models were used to determine the therapeutic effect of CBP inhibition via ICG-001. Tissue microarrays (TMAs) were used to investigate the potential of CBP and associated proteins as biomarkers in TNBC. Results: The CBP/ß-catenin/FOXM1 transcriptional complex drives gene expression in TNBC and is associated with increased CSC numbers, drug resistance and poor survival outcome. Targeting of CBP/β-catenin/FOXM1 with ICG-001 eliminated CSCs and sensitized TNBC tumors to chemotherapy. Immunohistochemistry of TMAs demonstrated a significant correlation between FOXM1 expression and TNBC subtype. Conclusion: CBP/β-catenin/FOXM1 transcriptional activity plays an important role in TNBC drug resistance and CSC phenotype. CBP/β-catenin/FOXM1 provides a molecular target for precision therapy in triple negative breast cancer and could form a rationale for potential clinical trials.
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Affiliation(s)
- Alexander Ring
- Department of Oncology and Hematology, UniversitätsSpital Zürich, Rämistrasse 100, 0832 Zürich 1, The Netherlands.
| | - Cu Nguyen
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA.
| | - Goar Smbatyan
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA.
| | - Debu Tripathy
- Department of Breast Medical Oncology, UT-MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Min Yu
- Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA 90033, USA.
| | - Michael Press
- University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA 90033, USA.
| | - Michael Kahn
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA.
| | - Julie E Lang
- University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA 90033, USA.
- Department of Surgery, University of Southern California, Los Angeles, CA 90033, USA.
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47
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Narayana YV, Gadgil C, Mote RD, Rajan R, Subramanyam D. Clathrin-Mediated Endocytosis Regulates a Balance between Opposing Signals to Maintain the Pluripotent State of Embryonic Stem Cells. Stem Cell Reports 2018; 12:152-164. [PMID: 30554918 PMCID: PMC6335602 DOI: 10.1016/j.stemcr.2018.11.018] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 11/16/2018] [Accepted: 11/19/2018] [Indexed: 12/12/2022] Open
Abstract
Endocytosis is implicated in the maintenance of embryonic stem cell (ESC) pluripotency, although its exact role and the identity of molecular players remain poorly understood. Here, we show that the clathrin heavy chain (CLTC), involved in clathrin-mediated endocytosis (CME), is vital for maintaining mouse ESC (mESC) pluripotency. Knockdown of Cltc resulted in a loss of pluripotency accompanied by reduced E-cadherin (E-CAD) levels and increased levels of transforming growth factor β (TGF-β) and extracellular signal-regulated kinase (ERK) signaling. We demonstrate that both E-CAD and TGF-β receptor type 1 (TGF-βR1) are internalized through CME in mESCs. While E-CAD is recycled, TGF-βR1 is targeted for lysosomal degradation thus maintaining inverse levels of these molecules. Finally, we show that E-CAD interacts with ERK, and that the decreased pluripotency upon CME loss can be rescued by inhibiting TGF-βR, MEK, and GSK3β, or overexpressing E-CAD. Our results demonstrate that CME is critical for balancing signaling outputs to regulate ESC pluripotency, and possibly cell fate choices in early development. Knockdown of Cltc results in loss of mESC pluripotency CME regulates E-CAD and TGF-βR1 trafficking in mESCs ESCs lacking CME can be rescued by TGF-βR1/MEK inhibition or E-CAD overexpression CME balances opposing signaling outputs to maintain ESC pluripotency
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Affiliation(s)
- Yadavalli V Narayana
- National Centre for Cell Science, SP Pune University, Ganeshkhind, Pune 411007, India; Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Chetan Gadgil
- Chemical Engineering Department, National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Ridim D Mote
- National Centre for Cell Science, SP Pune University, Ganeshkhind, Pune 411007, India
| | - Raghav Rajan
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, NCL Colony, Pune 411008, India
| | - Deepa Subramanyam
- National Centre for Cell Science, SP Pune University, Ganeshkhind, Pune 411007, India.
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48
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Abstract
Wnt/β-catenin signaling pathway is essential for embryo development and adult tissue homeostasis and regeneration, abnormal regulation of the pathway is tightly associated with many disease types, suggesting that Wnt/β-catenin signaling pathway is an attractive target for disease therapy. While the Wnt inhibitors have been extensively reviewed, small molecules activating Wnt/β-catenin signaling were rarely addressed. In this article, we firstly reviewed the diseases that were associated with disruption of Wnt/β-catenin signaling pathway, including hair loss, pigmentary disorders, wound healing, bone diseases, neurodegenerative diseases and chronic obstructive pulmonary diseases, etc. We also comprehensively summarized small molecules that activated Wnt/β-catenin signaling pathway in various models in vitro and in vivo. To evaluate the therapeutic potential of Wnt activation, we focused on the discovery strategies, phenotypic characterization, and target identification of the Wnt activators. Finally, we proposed the challenges and opportunities in development of Wnt activators for pharmacological agents in term of targeting safety and selectivity.
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49
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Malleske DT, Hayes D, Lallier SW, Hill CL, Reynolds SD. Regulation of Human Airway Epithelial Tissue Stem Cell Differentiation by β-Catenin, P300, and CBP. Stem Cells 2018; 36:1905-1916. [PMID: 30171668 DOI: 10.1002/stem.2906] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 08/10/2018] [Accepted: 08/18/2018] [Indexed: 12/22/2022]
Abstract
The wingless/integrase-1 (WNT)/β-catenin signaling pathway is active in several chronic lung diseases including idiopathic pulmonary fibrosis, asthma, and chronic obstructive pulmonary disease. Although this WNT/β-catenin pathway activity is associated with an increase in mucus cell frequency and a decrease in ciliated cell frequency, a cause and consequence relationship between signaling and cell frequency has not been established. We previously demonstrated that genetic stabilization of β-catenin inhibited differentiation of mouse bronchiolar tissue stem cells (TSC). This study determined the effect of β-catenin and its co-factors P300 (E1A-binding protein, 300 kDa) and cAMP response element binding (CREB)-binding protein (CBP) on human bronchial epithelial TSC differentiation to mucus and ciliated cells. We developed a modified air-liquid interface (ALI) culture system in which mucus and ciliated cell frequency is similar. These cultures were treated with the β-catenin agonist CHIR99021 (CHIR) and antagonists to β-catenin (XAV939), P300 (IQ1), and CBP (ICG001). We report that human TSC differentiation to mucus and ciliated cells can be divided into two stages, specification and commitment. CHIR treatment inhibited mucus and ciliated cell commitment while XAV939 treatment demonstrated that β-catenin was necessary for mucus and ciliated cell specification. Additional studies demonstrate that a β-catenin/P300 complex promotes mucus cell specification and that β-catenin interacts with either P300 or CBP to inhibit ciliated cell commitment. These data indicate that activation of β-catenin-dependent signaling in chronic lung disease leads to changes in mucus and ciliated cell frequency and that P300 and CBP tune the β-catenin signal to favor mucus cell differentiation. Stem Cells 2018;36:1905-12.
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Affiliation(s)
- Daniel T Malleske
- Department of Pediatrics, The Ohio State University, Columbus, Ohio, USA
| | - Don Hayes
- Department of Pediatrics, The Ohio State University, Columbus, Ohio, USA.,Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA.,Department of Surgery, The Ohio State University, Columbus, Ohio, USA
| | - Scott W Lallier
- Centers for Perinatal Research, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Cynthia L Hill
- Centers for Perinatal Research, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Susan D Reynolds
- Department of Pediatrics, The Ohio State University, Columbus, Ohio, USA.,Centers for Perinatal Research, Nationwide Children's Hospital, Columbus, Ohio, USA
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50
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Kaochar S, Dong J, Torres M, Rajapakshe K, Nikolos F, Davis CM, Ehli EA, Coarfa C, Mitsiades N, Poulaki V. ICG-001 Exerts Potent Anticancer Activity Against Uveal Melanoma Cells. Invest Ophthalmol Vis Sci 2018; 59:132-143. [PMID: 29332125 PMCID: PMC5769500 DOI: 10.1167/iovs.17-22454] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Purpose Uveal melanoma (UM) is uniformly refractory to all available systemic chemotherapies, thus creating an urgent need for novel therapeutics. In this study, we investigated the sensitivity of UM cells to ICG-001, a small molecule reported to suppress the Wnt/β-catenin–mediated transcriptional program. Methods We used a panel of UM cell lines to examine the effects of ICG-001 on cellular proliferation, migration, and gene expression. In vivo efficacy of ICG-001 was evaluated in a UM xenograft model. Results ICG-001 exerted strong antiproliferative activity against UM cells, leading to cell cycle arrest, apoptosis, and inhibition of migration. Global gene expression profiling revealed strong suppression of genes associated with cell cycle proliferation, DNA replication, and G1/S transition. Gene set enrichment analysis revealed that ICG-001 suppressed Wnt, mTOR, and MAPK signaling. Strikingly, ICG-001 suppressed the expression of genes associated with UM aggressiveness, including CDH1, CITED1, EMP1, EMP3, SDCBP, and SPARC. Notably, the transcriptomic footprint of ICG-001, when applied to a UM patient dataset, was associated with better clinical outcome. Lastly, ICG-001 exerted anticancer activity against a UM tumor xenograft in mice. Conclusions Using in vitro and in vivo experiments, we demonstrate that ICG-001 has strong anticancer activity against UM cells and suppresses transcriptional programs critical for the cancer cell. Our results suggest that ICG-001 holds promise and should be examined further as a novel therapeutic agent for UM.
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Affiliation(s)
- Salma Kaochar
- Department of Medicine, Baylor College of Medicine, Houston, Texas, United States.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States
| | - Jianrong Dong
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States
| | - Marie Torres
- Department of Ophthalmology, Veterans Affairs Boston Healthcare System, Boston, Massachusetts, United States
| | - Kimal Rajapakshe
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States
| | - Fotis Nikolos
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States
| | - Christel M Davis
- Avera Institute for Human Genetics, Sioux Falls, South Dakota, United States
| | - Erik A Ehli
- Avera Institute for Human Genetics, Sioux Falls, South Dakota, United States
| | - Cristian Coarfa
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas, United States
| | - Nicholas Mitsiades
- Department of Medicine, Baylor College of Medicine, Houston, Texas, United States.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas, United States
| | - Vasiliki Poulaki
- Department of Ophthalmology, Veterans Affairs Boston Healthcare System, Boston, Massachusetts, United States.,Boston University School of Medicine, Boston, Massachusetts, United States
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