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Khan AQ, Hasan A, Mir SS, Rashid K, Uddin S, Steinhoff M. Exploiting transcription factors to target EMT and cancer stem cells for tumor modulation and therapy. Semin Cancer Biol 2024; 100:1-16. [PMID: 38503384 DOI: 10.1016/j.semcancer.2024.03.002] [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: 12/20/2023] [Revised: 03/15/2024] [Accepted: 03/15/2024] [Indexed: 03/21/2024]
Abstract
Transcription factors (TFs) are essential in controlling gene regulatory networks that determine cellular fate during embryogenesis and tumor development. TFs are the major players in promoting cancer stemness by regulating the function of cancer stem cells (CSCs). Understanding how TFs interact with their downstream targets for determining cell fate during embryogenesis and tumor development is a critical area of research. CSCs are increasingly recognized for their significance in tumorigenesis and patient prognosis, as they play a significant role in cancer initiation, progression, metastasis, and treatment resistance. However, traditional therapies have limited effectiveness in eliminating this subset of cells, allowing CSCs to persist and potentially form secondary tumors. Recent studies have revealed that cancer cells and tumors with CSC-like features also exhibit genes related to the epithelial-to-mesenchymal transition (EMT). EMT-associated transcription factors (EMT-TFs) like TWIST and Snail/Slug can upregulate EMT-related genes and reprogram cancer cells into a stem-like phenotype. Importantly, the regulation of EMT-TFs, particularly through post-translational modifications (PTMs), plays a significant role in cancer metastasis and the acquisition of stem cell-like features. PTMs, including phosphorylation, ubiquitination, and SUMOylation, can alter the stability, localization, and activity of EMT-TFs, thereby modulating their ability to drive EMT and stemness properties in cancer cells. Although targeting EMT-TFs holds potential in tackling CSCs, current pharmacological approaches to do so directly are unavailable. Therefore, this review aims to explore the role of EMT- and CSC-TFs, their connection and impact in cellular development and cancer, emphasizing the potential of TF networks as targets for therapeutic intervention.
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Affiliation(s)
- Abdul Q Khan
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar.
| | - Adria Hasan
- Molecular Cell Biology Laboratory, Integral Information and Research Centre-4 (IIRC-4), Integral University, Kursi Road, Lucknow 226026, India; Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
| | - Snober S Mir
- Molecular Cell Biology Laboratory, Integral Information and Research Centre-4 (IIRC-4), Integral University, Kursi Road, Lucknow 226026, India; Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India
| | - Khalid Rashid
- Department of Urology,Feinberg School of Medicine, Northwestern University, 303 E Superior Street, Chicago, IL 60611, USA
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India; Laboratory Animal Research Center, Qatar University, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar
| | - Martin Steinhoff
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; Department of Dermatology and Venereology, Rumailah Hospital, Hamad Medical Corporation, Doha 3050, Qatar; Department of Medicine, Weill Cornell Medicine Qatar, Qatar Foundation-Education City, Doha 24144, Qatar; Department of Medicine, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA; College of Medicine, Qatar University, Doha 2713, Qatar
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2
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Huang L, Xing Y, Ning X, Yu Z, Bai X, Liu L, Sun S. Roles of Twist1 in lipid and glucose metabolism. Cell Commun Signal 2023; 21:270. [PMID: 37784111 PMCID: PMC10544448 DOI: 10.1186/s12964-023-01262-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 08/09/2023] [Indexed: 10/04/2023] Open
Abstract
The abnormal lipid and glucose metabolisms are linked to the metabolic disorders, tumorigenesis, and fibrotic diseases, which attracts the increasing attention to find out the key molecules involved in the lipid and glucose metabolism as the possible therapeutic targets on these diseases. A transcriptional factor Twist1 has been associated with not only the embryonic development, cancer, and fibrotic diseases, but also the regulation of lipid and glucose metabolism. In this review, we will discuss the roles and mechanisms of Twist1 in the obesity-associated white adipose tissue inflammation and insulin resistance, brown adipose tissue metabolism, fatty acid oxidation, and glucose metabolism in skeletal muscle to provide a rational perspective to consider Twist1 as a potential treatment target in clinic. Video Abstract.
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Affiliation(s)
- Liuyifei Huang
- Department of Nephrology, Xijing Hospital, The Fourth Military Medical University, Changle Road, No. 127 Changle West Road, Xi'an, Shaanxi, China
| | - Yan Xing
- Department of Nephrology, Xijing Hospital, The Fourth Military Medical University, Changle Road, No. 127 Changle West Road, Xi'an, Shaanxi, China
| | - Xiaoxuan Ning
- Department of Geriatrics, Xijing Hospital, The Fourth Military Medical University, Changle Road, No. 127 Changle West Road, Xi'an, Shaanxi, China
| | - Zhixiang Yu
- Department of Nephrology, Xijing Hospital, The Fourth Military Medical University, Changle Road, No. 127 Changle West Road, Xi'an, Shaanxi, China
| | - Xiao Bai
- Department of Nephrology, Xijing Hospital, The Fourth Military Medical University, Changle Road, No. 127 Changle West Road, Xi'an, Shaanxi, China
| | - Limin Liu
- School of Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710032, Shaanxi, China.
| | - Shiren Sun
- Department of Nephrology, Xijing Hospital, The Fourth Military Medical University, Changle Road, No. 127 Changle West Road, Xi'an, Shaanxi, China.
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3
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Jiang Y, Zhang Z. OVOL2: an epithelial lineage determiner with emerging roles in energy homeostasis. Trends Cell Biol 2023; 33:824-833. [PMID: 37336658 PMCID: PMC10524639 DOI: 10.1016/j.tcb.2023.05.008] [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: 02/07/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 06/21/2023]
Abstract
Ovo like zinc finger 2 (OVOL2) is an evolutionarily conserved regulator of epithelial lineage determination and differentiation during embryogenesis. OVOL2 binds to DNA using zinc-finger domains to suppress epithelial-mesenchymal transition (EMT), which is critical for tumor metastasis. However, recent studies have suggested some noncanonical roles of OVOL2 that do not rely on the DNA binding of zinc-finger domains or regulation of EMT. OVOL2 and EMT regulators have emerging roles in adipogenesis, thermogenesis, and lipid metabolism. Here, we review different roles of OVOL2 from embryo development to adult tissue homeostasis, and discuss how OVOL2 and other EMT regulators orchestrate a regulatory network to control energy homeostasis. Last, we propose potential applications of targeting OVOL2 to reduce human obesity.
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Affiliation(s)
- Yiao Jiang
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Division of Endocrinology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Zhao Zhang
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Division of Endocrinology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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4
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Tomasello L, Pitrone M, Guarnotta V, Giordano C, Pizzolanti G. Irisin: A Possible Marker of Adipose Tissue Dysfunction in Obesity. Int J Mol Sci 2023; 24:12082. [PMID: 37569456 PMCID: PMC10419191 DOI: 10.3390/ijms241512082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Adipose tissue (AT) secretes pro- and anti-inflammatory cytokines involved in AT homeostasis, including tumor necrosis factor-α (TNFα) and irisin. The functionality of AT is based on a regulated equilibrium between adipogenesis and extracellular matrix (ECM) remodeling. We investigated the contributions of adipose progenitors (ASCs) and adipocytes (AMCs) to TNFα-induced ECM remodeling and a possible implication of irisin in AT impairment in obesity. ASCs and AMCs were exposed to TNFα treatment and nuclear factor-kappa (NF-kB) pathway was investigated: Tissue Inhibitor of Metalloproteinase (TIMP-1), Twist Family Transcription Factor 1 (TWIST-1), and peroxisome proliferator-activated receptor-γ (PPARγ) expression levels were analyzed. The proteolytic activity of matrix metalloproteinases (MMPs) -2 and -9 was analyzed by zymography, and the irisin protein content was measured by ELISA. In inflamed AMCs, a TIMP-1/TWIST-1 imbalance leads to a drop in PPARγ. Adipogenesis and lipid storage ability impairment come with local tissue remodeling due to MMP-9 overactivation. In vitro and ex vivo measurements confirm positive correlations among inflammation, adipose secreting irisin levels, and circulating irisin levels in patients with visceral obesity. Our findings identify the NF-kB downstream effectors as molecular initiators of AT dysfunction and suggest irisin as a possible AT damage and obesity predictive factor.
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Affiliation(s)
- Laura Tomasello
- Laboratory of Endocrinology and Regenenerative Medicine “Aldo Galluzzo”, Università di Palermo, 90133 Palermo, Italy; (M.P.); (V.G.); (C.G.)
- Dipartimento Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (Promise), Azienda Ospedaliera Universitaria Policlinico Paolo Giaccone, 90127 Palermo, Italy
| | - Maria Pitrone
- Laboratory of Endocrinology and Regenenerative Medicine “Aldo Galluzzo”, Università di Palermo, 90133 Palermo, Italy; (M.P.); (V.G.); (C.G.)
| | - Valentina Guarnotta
- Laboratory of Endocrinology and Regenenerative Medicine “Aldo Galluzzo”, Università di Palermo, 90133 Palermo, Italy; (M.P.); (V.G.); (C.G.)
- Dipartimento Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (Promise), Azienda Ospedaliera Universitaria Policlinico Paolo Giaccone, 90127 Palermo, Italy
| | - Carla Giordano
- Laboratory of Endocrinology and Regenenerative Medicine “Aldo Galluzzo”, Università di Palermo, 90133 Palermo, Italy; (M.P.); (V.G.); (C.G.)
- Dipartimento Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (Promise), Azienda Ospedaliera Universitaria Policlinico Paolo Giaccone, 90127 Palermo, Italy
- ATeN Center—Advanced Technologies Network Center, 90127 Palermo, Italy
| | - Giuseppe Pizzolanti
- Laboratory of Endocrinology and Regenenerative Medicine “Aldo Galluzzo”, Università di Palermo, 90133 Palermo, Italy; (M.P.); (V.G.); (C.G.)
- Dipartimento Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (Promise), Azienda Ospedaliera Universitaria Policlinico Paolo Giaccone, 90127 Palermo, Italy
- ATeN Center—Advanced Technologies Network Center, 90127 Palermo, Italy
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5
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Li Y, Zhang Z, Jiang S, Xu F, Tulum L, Li K, Liu S, Li S, Chang L, Liddell M, Tu F, Gu X, Carmichael PL, White A, Peng S, Zhang Q, Li J, Zuo T, Kukic P, Xu P. Using transcriptomics, proteomics and phosphoproteomics as new approach methodology (NAM) to define biological responses for chemical safety assessment. CHEMOSPHERE 2023; 313:137359. [PMID: 36427571 DOI: 10.1016/j.chemosphere.2022.137359] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
Omic-based technologies are of particular interest and importance for hazard identification and health risk characterization of chemicals. Their application in the new approach methodologies (NAMs) anchored on cellular toxicity pathways is based on the premise that any apical health endpoint change must be underpinned by some alterations at the omic levels. In the present study we examined the cellular responses to two chemicals, caffeine and coumarin, by generating and integrating multi-omic data from multi-dose and multi-time point transcriptomic, proteomic and phosphoproteomic experiments. We showed that the methodology presented here was able to capture the complete chain of events from the first chemical-induced changes at the phosphoproteome level, to changes in gene expression, and lastly to changes in protein abundance, each with vastly different points of departure (PODs). In HepG2 cells we found that the metabolism of lipids and general cellular stress response to be the dominant biological processes in response to caffeine and coumarin exposure, respectively. The phosphoproteomic changes were detected early in time, at very low doses and provided a fast, adaptive cellular response to chemical exposure with 7-37-fold lower points of departure comparing to the transcriptomics. Changes in protein abundance were found much less frequently than transcriptomic changes. While challenges remain, our study provides strong and novel evidence supporting the notion that these three omic technologies can be used in an integrated manner to facilitate a more complete understanding of pathway perturbations and POD determinations for risk assessment of chemical exposures.
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Affiliation(s)
- Yuan Li
- Department of Biomedicine, Medical College, Guizhou University, Guiyang, 550025, China; State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China
| | - Zhenpeng Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China
| | - Songhao Jiang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China; Hebei Province Key Lab of Research and Application on Microbial Diversity, College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Feng Xu
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China
| | - Liz Tulum
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire, MK44 1LQ, UK
| | - Kaixuan Li
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China
| | - Shu Liu
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China
| | - Suzhen Li
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China
| | - Lei Chang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China
| | - Mark Liddell
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire, MK44 1LQ, UK
| | - Fengjuan Tu
- Unilever Research & Development Centre Shanghai, Shanghai, 200335, China
| | - Xuelan Gu
- Unilever Research & Development Centre Shanghai, Shanghai, 200335, China
| | - Paul Lawford Carmichael
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire, MK44 1LQ, UK
| | - Andrew White
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire, MK44 1LQ, UK
| | - Shuangqing Peng
- Evaluation and Research Centre for Toxicology, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Qiang Zhang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, 30322, USA
| | - Jin Li
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire, MK44 1LQ, UK
| | - Tao Zuo
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China.
| | - Predrag Kukic
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire, MK44 1LQ, UK.
| | - Ping Xu
- Department of Biomedicine, Medical College, Guizhou University, Guiyang, 550025, China; State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Proteome Research Center, Institute of Lifeomics, Beijing, 102206, China; Hebei Province Key Lab of Research and Application on Microbial Diversity, College of Life Sciences, Hebei University, Baoding, 071002, China; Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang, 110122, China.
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6
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Xia Q, Wang W, Liu Z, Xiao J, Qiao C, Zhao Y, Li B, Liu Y, Peng Y, Yang X, Shi J, Gao X, Wang D. New insights into mechanisms of berberine in alleviating reproductive disorders of polycystic ovary syndrome: Anti-inflammatory properties. Eur J Pharmacol 2023; 939:175433. [PMID: 36535493 DOI: 10.1016/j.ejphar.2022.175433] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/31/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022]
Abstract
Polycystic ovary syndrome (PCOS) is a complex reproductive disorder that seriously harms female reproductive health and decreases quality of life. Although spontaneous or assisted ovulation occurs, women with PCOS suffer from poor-quality oocytes and embryos and lower fertilization and final pregnancy rates. Therefore, it is urgent to identify new pathological mechanisms and discover the underlying therapeutic targets for reproductive disorders associated with PCOS. Berberine, one of the famous traditional Chinese medicines, has been shown to improve ovulation and live birth rates in women with PCOS. The effects of berberine on insulin resistance and abnormal glucose and lipid metabolism for restoring the reproductive health of women with PCOS are well recognized and have been widely studied, but much less attention has been given to its anti-inflammatory properties. Chronic low-grade inflammation is the unifying feature of PCOS and may contribute to reproductive disorders in PCOS. Berberine can modulate the inflammatory state of the ovaries and uterus in PCOS. The anti-inflammatory properties of berberine may provide new insight into the mechanisms by which berberine alleviates reproductive disorders associated with PCOS. Here, we summarized the most recent insights into the anti-inflammatory properties of berberine in PCOS reproductive disorders to inspire researchers to pursue new study directions involving berberine.
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Affiliation(s)
- Qing Xia
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Wenjing Wang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Zijie Liu
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Jiaying Xiao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Cong Qiao
- Department of Pathology, Harbin Medical University, Harbin, China
| | - Yu Zhao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Bowen Li
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Yuanli Liu
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China
| | - Yahui Peng
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China
| | - Xinyu Yang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Jiabin Shi
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Xu Gao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China.
| | - Dayong Wang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China.
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7
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Adipose Tissue-Derived Extracellular Vesicles Contribute to Phenotypic Plasticity of Prostate Cancer Cells. Int J Mol Sci 2023; 24:ijms24021229. [PMID: 36674745 PMCID: PMC9864182 DOI: 10.3390/ijms24021229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Metastatic prostate cancer is one of the leading causes of male cancer deaths in the western world. Obesity significantly increases the risk of metastatic disease and is associated with a higher mortality rate. Systemic chronic inflammation can result from a variety of conditions, including obesity, where adipose tissue inflammation is a major contributor. Adipose tissue endothelial cells (EC) exposed to inflammation become dysfunctional and produce a secretome, including extracellular vesicles (EV), that can impact function of cells in distant tissues, including malignant cells. The aim of this study was to explore the potential role of EVs produced by obese adipose tissue and the ECs exposed to pro-inflammatory cytokines on prostate cancer phenotypic plasticity in vitro. We demonstrate that PC3ML metastatic prostate cancer cells exposed to EVs from adipose tissue ECs and to EVs from human adipose tissue total explants display reduced invasion and increased proliferation. The latter functional changes could be attributed to the EV miRNA cargo. We also show that the functional shift is TWIST1-dependent and is consistent with mesenchymal-to-epithelial transition, which is key to establishment of secondary tumor growth. Understanding the complex effects of EVs on prostate cancer cells of different phenotypes is key before their intended use as therapeutics.
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8
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Kohil A, Chouliaras S, Alabduljabbar S, Lakshmanan AP, Ahmed SH, Awwad J, Terranegra A. Female infertility and diet, is there a role for a personalized nutritional approach in assisted reproductive technologies? A Narrative Review. Front Nutr 2022; 9:927972. [PMID: 35938101 PMCID: PMC9353397 DOI: 10.3389/fnut.2022.927972] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/27/2022] [Indexed: 11/23/2022] Open
Abstract
Female infertility is a major public health concern and a global challenge. It is a disorder of the reproductive system, defined as the inability to achieve a clinical pregnancy. Nutrition and other environmental factors are found to impact reproductive health in women as well as the outcome of assisted reproductive technologies (ART). Dietary factors, such as polyunsaturated fatty acids (PUFA), fiber as well as the intake of Mediterranean diet appear to exert beneficial effects on female reproductive outcomes. The exact mechanisms associating diet to female fertility are yet to be identified, although genomic, epigenomic, and microbial pathways may be implicated. This review aims to summarize the current knowledge on the impact of dietary components on female reproduction and ART outcomes, and to discuss the relevant interplay of diet with genome, epigenome and microbial composition.
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Affiliation(s)
- Amira Kohil
- Research Department, Sidra Medicine, Doha, Qatar
| | | | | | | | | | - Johnny Awwad
- Reproductive Medicine Unit, Sidra Medicine, Doha, Qatar
| | - Annalisa Terranegra
- Research Department, Sidra Medicine, Doha, Qatar
- *Correspondence: Annalisa Terranegra
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9
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Rhein Improves Renal Fibrosis by Restoring Cpt1a-Mediated Fatty Acid Oxidation through SirT1/STAT3/twist1 Pathway. Molecules 2022; 27:molecules27072344. [PMID: 35408745 PMCID: PMC9000220 DOI: 10.3390/molecules27072344] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/29/2022] [Accepted: 04/03/2022] [Indexed: 02/01/2023] Open
Abstract
The latest progress in the field of renal fibrosis mainly focuses on the new concept of “partial epithelial-mesenchymal transition (pEMT)” to explain the contribution of renal tubular epithelial (RTE) cells to renal fibrosis and the crucial role of fatty acid oxidation (FAO) dysfunction in RTE cells for the development of renal fibrosis. FAO depression is considered to be secondary or occur simultaneously with pEMT. We explored the relationship between pEMT and FAO and the effect of rhein on them. Intragastric administration of rhein significantly improved the levels of BUN, Scr, α-SMA, collagen 1A and histopathological changes in UUO-rats. Transcriptomic and metabolomic analyses revealed that abnormal signaling pathways were involved in EMT and FAO disorders. RTE cell experiments showed that TGF-β could inhibit the activity of Cpt1a, resulting in ATP depletion and lipid deposition. Cpt1a inhibitor induced EMT, while Cpt1 substrate or rhein inhibited EMT, indicating that Cpt1a-mediated FAO dysfunction is essential for RTE cells EMT. Further studies showed that Cpt1a activity were regulated by SirT1/STAT3/Twist1 pathway. Rhein inhibits RTE cell EMT by promoting Cpt1a-mediated FAO through the SirT1/STAT3/Twist1 pathway. Surprisingly and importantly, our experiments showed that FAO depression occurs before EMT, and EMT is one of the results of FAO depression.
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10
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Hunyenyiwa T, Hendee K, Matus K, Kyi P, Mammoto T, Mammoto A. Obesity Inhibits Angiogenesis Through TWIST1-SLIT2 Signaling. Front Cell Dev Biol 2021; 9:693410. [PMID: 34660572 PMCID: PMC8511494 DOI: 10.3389/fcell.2021.693410] [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: 04/10/2021] [Accepted: 08/30/2021] [Indexed: 01/22/2023] Open
Abstract
Angiogenesis is required for functional adipose tissue maintenance, remodeling, and expansion. Physiologically balanced adipogenesis and angiogenesis are inhibited in subcutaneous adipose tissue in obese humans. However, the mechanism by which angiogenesis is inhibited in obese adipose tissue is not fully understood. Transcription factor TWIST1 controls angiogenesis and vascular function. TWIST1 expression is lower in obese human adipose tissues. Here, we have demonstrated that angiogenesis is inhibited in endothelial cells (ECs) isolated from adipose tissues of obese humans through TWIST1-SLIT2 signaling. The levels of TWIST1 and SLIT2 are lower in ECs isolated from obese human adipose tissues compared to those from lean tissues. Knockdown of TWIST1 in lean human adipose ECs decreases, while overexpression of TWIST1 in obese adipose ECs restores SLIT2 expression. DNA synthesis and cell migration are inhibited in obese adipose ECs and the effects are restored by TWIST1 overexpression. Obese adipose ECs also inhibit blood vessel formation in the gel subcutaneously implanted in mice, while these effects are restored when gels are mixed with SLIT2 or supplemented with ECs overexpressing TWIST1. These findings suggest that obesity impairs adipose tissue angiogenesis through TWIST1-SLIT2 signaling.
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Affiliation(s)
- Tendai Hunyenyiwa
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Kathryn Hendee
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Kienna Matus
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Priscilla Kyi
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Tadanori Mammoto
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Akiko Mammoto
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States
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11
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Genome-wide identification and characterization of basic helix-loop-helix genes in nine molluscs. Gene 2021; 785:145604. [PMID: 33766707 DOI: 10.1016/j.gene.2021.145604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 03/03/2021] [Accepted: 03/17/2021] [Indexed: 11/23/2022]
Abstract
The basic helix-loop-helix (bHLH) transcription factors form a large superfamily that plays an important role in numerous physiological processes, including development and response to environmental stresses. In this study, the distribution of bHLH genes in nine molluscs was systematically investigated (including five bivalves, three gastropods and one cephalopod). Finally, 53-85 bHLH genes were identified from each genome and classified into corresponding families by using phylogenetic analysis. The results of gene structure and conserved motif analysis illustrated the hereditary conservation of bHLH transcription factors during evolution but showed low similarity in group C. Through transcription profile analysis of C. gigas and T. granosa, we found a important role of bHLH genes in responding to multiple external challenges and development; meanwhile, they also exhibited tissue-specific expression. Interestingly, we were also surprised to find different bHLH genes from the same group generally possess similar patterns expression that tends to simultaneously present high or lower expression of multiple challenges and different tissues in this study. In summary, this study lays the foundation for further investigation of the biological functions and evolution of molluscan bHLH genes.
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12
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Yang Z, Tang Z, Cao X, Xie Q, Hu C, Zhong Z, Tan J, Zheng Y. Controlling chronic low-grade inflammation to improve follicle development and survival. Am J Reprod Immunol 2020; 84:e13265. [PMID: 32395847 DOI: 10.1111/aji.13265] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 05/03/2020] [Accepted: 05/05/2020] [Indexed: 12/16/2022] Open
Abstract
Chronic low-grade inflammation is one cause of follicle development disturbance. Chronic inflammation exists in pathological conditions such as premature ovarian failure, physiological aging of the ovaries, and polycystic ovary syndrome. Inflammation of the whole body can affect oocytes via the follicle microenvironment, oxidative stress, and GM-CSF. Many substances without toxic side-effects extracted from natural organisms have gradually gained researchers' attention. Recently, chitosan oligosaccharide, resveratrol, anthocyanin, and melatonin have been found to contribute to an improvement in inflammation. This review discusses the interrelationships between chronic low-grade inflammation and follicle development, the underlying mechanisms, and methods that may improve follicle development by controlling the level of chronic low-grade inflammation.
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Affiliation(s)
- Ziwei Yang
- Jiangxi Medical College, Nanchang University, Nanchang, China.,The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Zijuan Tang
- Jiangxi Medical College, Nanchang University, Nanchang, China.,The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Xiuping Cao
- Jiangxi Medical College, Nanchang University, Nanchang, China.,The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Qi Xie
- Jiangxi Medical College, Nanchang University, Nanchang, China.,The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Chuan Hu
- Jiangxi Medical College, Nanchang University, Nanchang, China.,The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Province, Nanchang, China
| | - Zhisheng Zhong
- Reproductive Health Department, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Jun Tan
- Reproductive Medicine Center, Jiangxi Maternal and Child Health Hospital, Nanchang, China
| | - Yuehui Zheng
- Reproductive Health Department, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, China
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13
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Vonhögen IG, el Azzouzi H, Olieslagers S, Vasilevich A, de Boer J, Tinahones FJ, da Costa Martins PA, de Windt LJ, Murri M. MiR-337-3p Promotes Adipocyte Browning by Inhibiting TWIST1. Cells 2020; 9:cells9041056. [PMID: 32340411 PMCID: PMC7226112 DOI: 10.3390/cells9041056] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 04/14/2020] [Accepted: 04/15/2020] [Indexed: 01/04/2023] Open
Abstract
The prevalence of metabolic syndrome (MetS) and obesity is an alarming health issue worldwide. Obesity is characterized by an excessive accumulation of white adipose tissue (WAT), and it is associated with diminished brown adipose tissue (BAT) activity. Twist1 acts as a negative feedback regulator of BAT metabolism. Therefore, targeting Twist1 could become a strategy for obesity and metabolic disease. Here, we have identified miR-337-3p as an upstream regulator of Twist1. Increased miR-337-3p expression paralleled decreased expression of TWIST1 in BAT compared to WAT. Overexpression of miR-337-3p in brown pre-adipocytes provoked a reduction in Twist1 expression that was accompanied by increased expression of brown/mitochondrial markers. Luciferase assays confirmed an interaction between the miR-337 seed sequence and Twist1 3′UTR. The inverse relationship between the expression of TWIST1 and miR-337 was finally validated in adipose tissue samples from non-MetS and MetS subjects that demonstrated a dysregulation of the miR-337-Twist1 molecular axis in MetS. The present study demonstrates that adipocyte miR-337-3p suppresses Twist1 repression and enhances the browning of adipocytes.
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Affiliation(s)
- Indira G.C. Vonhögen
- Department of Molecular Genetics, Faculty of Sciences and Engineering, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (I.G.C.V.); (H.e.A.); (S.O.); (P.A.d.C.M.)
| | - Hamid el Azzouzi
- Department of Molecular Genetics, Faculty of Sciences and Engineering, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (I.G.C.V.); (H.e.A.); (S.O.); (P.A.d.C.M.)
- Department of Molecular Genetics, Erasmus University MC, 3015 GD Rotterdam, The Netherlands
| | - Servé Olieslagers
- Department of Molecular Genetics, Faculty of Sciences and Engineering, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (I.G.C.V.); (H.e.A.); (S.O.); (P.A.d.C.M.)
| | - Aliaksei Vasilevich
- BioInterface Science Group, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands; (A.V.); (J.d.B.)
| | - Jan de Boer
- BioInterface Science Group, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands; (A.V.); (J.d.B.)
| | - Francisco J. Tinahones
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Clínico Virgen de la Victoria, 29010 Málaga, Spain; (F.J.T.); (M.M.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERObn, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Faculty of Medicine, University of Malaga, 29010 Malaga, Spain
| | - Paula A. da Costa Martins
- Department of Molecular Genetics, Faculty of Sciences and Engineering, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (I.G.C.V.); (H.e.A.); (S.O.); (P.A.d.C.M.)
- Department of Physiology and Cardiothoracic Surgery, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Leon J. de Windt
- Department of Molecular Genetics, Faculty of Sciences and Engineering, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (I.G.C.V.); (H.e.A.); (S.O.); (P.A.d.C.M.)
- Correspondence:
| | - Mora Murri
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Clínico Virgen de la Victoria, 29010 Málaga, Spain; (F.J.T.); (M.M.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERObn, Instituto de Salud Carlos III, 28029 Madrid, Spain
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14
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Georgakopoulos-Soares I, Chartoumpekis DV, Kyriazopoulou V, Zaravinos A. EMT Factors and Metabolic Pathways in Cancer. Front Oncol 2020; 10:499. [PMID: 32318352 PMCID: PMC7154126 DOI: 10.3389/fonc.2020.00499] [Citation(s) in RCA: 169] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 03/19/2020] [Indexed: 12/11/2022] Open
Abstract
The epithelial-mesenchymal transition (EMT) represents a biological program during which epithelial cells lose their cell identity and acquire a mesenchymal phenotype. EMT is normally observed during organismal development, wound healing and tissue fibrosis. However, this process can be hijacked by cancer cells and is often associated with resistance to apoptosis, acquisition of tissue invasiveness, cancer stem cell characteristics, and cancer treatment resistance. It is becoming evident that EMT is a complex, multifactorial spectrum, often involving episodic, transient or partial events. Multiple factors have been causally implicated in EMT including transcription factors (e.g., SNAIL, TWIST, ZEB), epigenetic modifications, microRNAs (e.g., miR-200 family) and more recently, long non-coding RNAs. However, the relevance of metabolic pathways in EMT is only recently being recognized. Importantly, alterations in key metabolic pathways affect cancer development and progression. In this review, we report the roles of key EMT factors and describe their interactions and interconnectedness. We introduce metabolic pathways that are involved in EMT, including glycolysis, the TCA cycle, lipid and amino acid metabolism, and characterize the relationship between EMT factors and cancer metabolism. Finally, we present therapeutic opportunities involving EMT, with particular focus on cancer metabolic pathways.
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Affiliation(s)
- Ilias Georgakopoulos-Soares
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA, United States.,Institute for Human Genetics, University of California, San Francisco, San Francisco, CA, United States
| | - Dionysios V Chartoumpekis
- Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.,Division of Endocrinology, Department of Internal Medicine, School of Medicine, University of Patras, Patras, Greece
| | - Venetsana Kyriazopoulou
- Division of Endocrinology, Department of Internal Medicine, School of Medicine, University of Patras, Patras, Greece
| | - Apostolos Zaravinos
- College of Medicine, Member of QU Health, Qatar University, Doha, Qatar.,Department of Life Sciences European University Cyprus, Nicosia, Cyprus
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15
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MAOA-mediated reprogramming of stromal fibroblasts promotes prostate tumorigenesis and cancer stemness. Oncogene 2020; 39:3305-3321. [PMID: 32066880 DOI: 10.1038/s41388-020-1217-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 01/29/2020] [Accepted: 02/07/2020] [Indexed: 02/05/2023]
Abstract
The tumor microenvironment plays a critical role in prostate cancer (PC) development and progression. Inappropriate activation of the stroma potentiates the growth and transformation of epithelial tumor cells. Here, we show that upregulation of monoamine oxidase A (MAOA), a mitochondrial enzyme that degrades monoamine neurotransmitters and dietary amines, in stromal cells elevates production of reactive oxygen species, triggers an inflammatory response including activation of IL-6, and promotes tumorigenesis in vitro and in vivo. Mechanistically, MAOA enhances IL-6 transcription through direct Twist1 binding to a conserved E-box element at the IL-6 promoter. MAOA in stromal fibroblasts provides tumor cell growth advantages through paracrine IL-6/STAT3 signaling. Tissue microarray analysis revealed co-expression correlations between individual pairs of proteins of the stromal MAOA-induced Twist1/IL-6/STAT3 pathway in clinical specimens. Downstream of stromal MAOA, STAT3 also promotes cell stemness and transcriptionally activates expression of cancer stem cell marker CD44 in PC cells. MAOA inhibitor treatment effectively suppressed prostate tumor growth in mice in a stroma-specific targeted manner. Collectively, these findings characterize the contribution of MAOA to stromal activation in PC pathogenesis and provide a rationale for targeting MAOA in stromal cells to treat PC.
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16
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Ren J, Crowley SD. Twist1: A Double-Edged Sword in Kidney Diseases. KIDNEY DISEASES 2020; 6:247-257. [PMID: 32903940 DOI: 10.1159/000505188] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 12/03/2019] [Indexed: 12/17/2022]
Abstract
Background Twist1 is a basic helix-loop-helix domain containing transcription factor that regulates cell differentiation, migration, proliferation, survival, and inflammatory responses by transcriptionally regulating a wide range of downstream target genes. Its homologous protein, Twist2, shares many structural and functional similarities with Twist1. Summary Accumulating evidence from both preclinical and clinical studies suggests that Twist1 is a pivotal regulator of several forms of renal disease. Twist1 is persistently activated following renal insults, particularly in chronic kidney diseases, and contributes to the renal inflammatory responses, tubular cell transformation programs, and possibly fibroblast activation, all of which are involved in the initiation and progression of kidney diseases. Key Message This review will specifically focus on Twist1 and outline our understanding of its functions in kidney disorders along with the introduction of Twist2 where pertinent. The thorough knowledge of Twist1's actions in the pathogenesis of kidney diseases should facilitate the development of novel therapeutics for kidney injury.
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Affiliation(s)
- Jiafa Ren
- Division of Nephrology, Department of Medicine, Duke University and Durham Veterans Affairs Medical Centers, Durham, North Carolina, USA
| | - Steven D Crowley
- Division of Nephrology, Department of Medicine, Duke University and Durham Veterans Affairs Medical Centers, Durham, North Carolina, USA
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17
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TWIST1 Heterodimerization with E12 Requires Coordinated Protein Phosphorylation to Regulate Periostin Expression. Cancers (Basel) 2019; 11:cancers11091392. [PMID: 31540485 PMCID: PMC6770789 DOI: 10.3390/cancers11091392] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 09/04/2019] [Accepted: 09/15/2019] [Indexed: 11/16/2022] Open
Abstract
Diffuse invasion into adjacent brain matter by glioblastoma (GBM) is largely responsible for their dismal prognosis. Previously, we showed that the TWIST1 (TW) bHLH transcription factor and its regulated gene periostin (POSTN) promote invasive phenotypes of GBM cells. Since TW functional effects are regulated by phosphorylation and dimerization, we investigated how phosphorylation of serine 68 in TW regulates TW dimerization, POSTN expression, and invasion in glioma cells. Compared with wild-type TW, the hypophosphorylation mutant, TW(S68A), impaired TW heterodimerization with the E12 bHLH transcription factor and cell invasion in vitro but had no effect on TW homodimerization. Overexpression of TW:E12 forced dimerization constructs (FDCs) increased glioma cell invasion and upregulated pro-invasive proteins, including POSTN, in concert with cytoskeletal reorganization. By contrast, TW:TW homodimer FDCs inhibited POSTN expression and cell invasion in vitro. Further, phosphorylation of analogous PXSP phosphorylation sites in TW:E12 FDCs (TW S68 and E12 S139) coordinately regulated POSTN and PDGFRa mRNA expression. These results suggested that TW regulates pro-invasive phenotypes in part through coordinated phosphorylation events in TW and E12 that promote heterodimer formation and regulate downstream targets. This new mechanistic understanding provides potential therapeutic strategies to inhibit TW-POSTN signaling in GBM and other cancers.
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18
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Reduced expression of Twist 1 is protective against insulin resistance of adipocytes and involves mitochondrial dysfunction. Sci Rep 2018; 8:12590. [PMID: 30135600 PMCID: PMC6105588 DOI: 10.1038/s41598-018-30820-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 08/07/2018] [Indexed: 01/06/2023] Open
Abstract
Insulin resistance (IR) has become a global epidemic that represents a serious hazard to public health. However, the precise mechanisms modulating IR have not been fully elucidated. The present study aimed to investigate the role of transcriptional factor Twist 1 in adipocyte IR and to further explore the molecular mechanism. An in vitro IR model based on cultured 3T3-L1 adipocytes was established under high glucose/insulin stimulation and an in vivo IR model in C57/BL6J mice induced by a high fat diet (HFD) was also developed. Lentivirus targeting Twist 1 silencing was introduced. The relationships between Twist 1 expression and IR state, mitochondrial dysfunction and the downstream insulin signaling pathway were assayed. Our results firstly showed the elevation of Twist 1 in IR adipocytes, and Twist 1 silencing attenuated IR. Then mitochondrial ultra-structural damage, elevated ROS, decreased MMP and ATP, and changes in mitochondrial biosynthesis-related genes in IR group indicated mitochondrial dysfunction. Further, the downstream IRS/PI3K/AKT/GluT4 pathway was showed involved in Twist 1-mediated IR. In total, we provide evidence of a protective role of Twist 1 silencing in relieving the IR state of adipocytes. Mitochondrial dysfunction and the downstream IRS/PI3K/AKT/GluT4 pathway were involved in this Twist 1-mediated IR.
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19
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Pan Y, Zhu Y, Yang W, Tycksen E, Liu S, Palucki J, Zhu L, Sasaki Y, Sharma MK, Kim AH, Zhang B, Yano H. The role of Twist1 in mutant huntingtin-induced transcriptional alterations and neurotoxicity. J Biol Chem 2018; 293:11850-11866. [PMID: 29891550 DOI: 10.1074/jbc.ra117.001211] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 05/14/2018] [Indexed: 01/12/2023] Open
Abstract
Huntington's disease (HD) is a fatal neurodegenerative disorder caused by an abnormal expansion of polyglutamine repeats in the huntingtin protein (Htt). Transcriptional dysregulation is an early event in the course of HD progression and is thought to contribute to disease pathogenesis, but how mutant Htt causes transcriptional alterations and subsequent cell death in neurons is not well understood. RNA-Seq analysis revealed that expression of a mutant Htt fragment in primary cortical neurons leads to robust gene expression changes before neuronal death. Basic helix-loop-helix transcription factor Twist1, which is essential for embryogenesis and is normally expressed at low levels in mature neurons, was substantially up-regulated in mutant Htt-expressing neurons in culture and in the brains of HD mouse models. Knockdown of Twist1 by RNAi in mutant Htt-expressing primary cortical neurons reversed the altered expression of a subset of genes involved in neuronal function and, importantly, abrogated neurotoxicity. Using brain-derived neurotrophic factor (Bdnf), which is known to be involved in HD pathogenesis, as a model gene, we found that Twist1 knockdown could reverse mutant Htt-induced DNA hypermethylation at the Bdnf regulatory region and reactivate Bdnf expression. Together, these results suggest that Twist1 is an important upstream mediator of mutant Htt-induced neuronal death and may in part operate through epigenetic mechanisms.
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Affiliation(s)
| | - Ying Zhu
- From the Department of Neurological Surgery
| | - Wei Yang
- Genome Technology Access Center.,Department of Genetics
| | | | | | | | | | | | | | - Albert H Kim
- From the Department of Neurological Surgery.,Department of Genetics.,Department of Developmental Biology.,Center of Regenerative Medicine.,Department of Neurology, and.,Hope Center for Neurological Disorders, Washington University School of Medicine, St. Louis, Missouri 63110
| | - Bo Zhang
- Department of Developmental Biology.,Center of Regenerative Medicine
| | - Hiroko Yano
- From the Department of Neurological Surgery, .,Department of Genetics.,Center of Regenerative Medicine.,Department of Neurology, and.,Hope Center for Neurological Disorders, Washington University School of Medicine, St. Louis, Missouri 63110
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20
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Wang CC, Ying L, Barnes EA, Adams ES, Kim FY, Engel KW, Alvira CM, Cornfield DN. Pulmonary artery smooth muscle cell HIF-1α regulates endothelin expression via microRNA-543. Am J Physiol Lung Cell Mol Physiol 2018; 315:L422-L431. [PMID: 29745253 DOI: 10.1152/ajplung.00475.2017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Pulmonary artery smooth muscle cells (PASMCs) express endothelin (ET-1), which modulates the pulmonary vascular response to hypoxia. Although cross-talk between hypoxia-inducible factor-1α (HIF-1α), an O2-sensitive transcription factor, and ET-1 is established, the cell-specific relationship between HIF-1α and ET-1 expression remains incompletely understood. We tested the hypotheses that in PASMCs 1) HIF-1α expression constrains ET-1 expression, and 2) a specific microRNA (miRNA) links HIF-1α and ET-1 expression. In human (h)PASMCs, depletion of HIF-1α with siRNA increased ET-1 expression at both the mRNA and protein levels ( P < 0.01). In HIF-1α-/- murine PASMCs, ET-1 gene and protein expression was increased ( P < 0.0001) compared with HIF-1α+/+ cells. miRNA profiles were screened in hPASMCs transfected with siRNA-HIF-1α, and RNA hybridization was performed on the Agilent (Santa Clara, CA) human miRNA microarray. With HIF-1α depletion, miRNA-543 increased 2.4-fold ( P < 0.01). In hPASMCs, miRNA-543 overexpression increased ET-1 gene ( P < 0.01) and protein ( P < 0.01) expression, decreased TWIST gene expression ( P < 0.05), and increased ET-1 gene and protein expression, compared with nontargeting controls ( P < 0.01). Moreover, we evaluated low passage hPASMCs from control and patients with idiopathic pulmonary arterial hypertension (IPAH). Compared with controls, protein expression of HIF-1α and Twist-related protein-1 (TWIST1) was decreased ( P < 0.05), and miRNA-543 and ET-1 expression increased ( P < 0.001) in hPASMCs from patients with IPAH. Thus, in PASMCs, loss of HIF-1α increases miRNA-543, which decreases Twist expression, leading to an increase in PASMC ET-1 expression. This previously undescribed link between HIF-1α and ET-1 via miRNA-543 mediated Twist suppression represents another layer of molecular regulation that might determine pulmonary vascular tone.
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Affiliation(s)
- Ching-Chia Wang
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California.,Department of Pediatrics, National Taiwan University Children Hospital, National Taiwan University Medical College , Taipei , Taiwan
| | - Lihua Ying
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California.,Division of Pulmonary, Asthma and Sleep Medicine, Department of Pediatrics, Stanford University Medical School , Stanford, California
| | - Elizabeth A Barnes
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California.,Division of Pulmonary, Asthma and Sleep Medicine, Department of Pediatrics, Stanford University Medical School , Stanford, California
| | - Eloa S Adams
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California.,Kaiser Oakland, Oakland, California
| | - Francis Y Kim
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California.,Milwaukee Children's Hospital, Medical College of Wisconsin , Milwaukee, Wisconsin
| | - Karl W Engel
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California
| | - Cristina M Alvira
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California.,Division of Critical Care Medicine, Department of Pediatrics, Stanford University Medical School , Stanford, California
| | - David N Cornfield
- Center for Excellence in Pulmonary Biology, Stanford University Medical School , Stanford, California.,Division of Pulmonary, Asthma and Sleep Medicine, Department of Pediatrics, Stanford University Medical School , Stanford, California.,Division of Critical Care Medicine, Department of Pediatrics, Stanford University Medical School , Stanford, California
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21
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Govindarajalu G, Selvam M, Palchamy E, Baluchamy S. N-terminal truncations of human bHLH transcription factor Twist1 leads to the formation of aggresomes. Mol Cell Biochem 2017; 439:75-85. [PMID: 28779345 DOI: 10.1007/s11010-017-3137-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 08/01/2017] [Indexed: 01/25/2023]
Abstract
In the cell, misfolded proteins are processed by molecular chaperone-mediated refolding or through ubiquitin-mediated proteosome system. Dysregulation of these mechanisms facilitates the aggregation of misfolded proteins and forms aggresomes in the juxta nuclear position of the cell which are removed by lysosome-mediated autophagy pathway in the subsequent cell division. Accumulation of misfolded proteins in the cell is hallmark of several neurological disorders and other diseases including cancer. However, the exact mechanism of aggresome formation and clearance is not thoroughly understood. Reports have shown that several proteins including p300, p53, TAU, α-synuclein, SOD, etc. contain intrinsically disordered region (IDR) which has the tendency to form aggresome. To study the nature of aggresome formation and stability of the aggresome, we have chosen Twist1 as a model protein since it has IDR regions. Twist1 is a bHLH transcription factor which plays a major role in epithelial mesenchymal transition (EMT) and shown to interact with HAT domain of p300 and p53. In the present study, we generated several deletion mutants of human Twist1 with different fluorescent tags and delineated the regions responsible for aggresome formation. The Twist1 protein contains two NLS motifs at the N-terminal region. We showed that the deletions of regions spanning the amino acids 30-46 (Twist1Δ30-46) which lacks the first NLS motif form larger and intense aggregates while the deletion of residues from 47 to 100 (Twist1Δ47-100) which lacks the second NLS motif generates smaller and less intense aggregates in the juxta nuclear position. This suggests that both the NLS motifs are needed for the proper nuclear localization of Twist1. The aggresome formation of the Twist1 deletion mutants was confirmed by counterstaining with known aggresome markers: Vimentin, HDAC6, and gamma tubulin and further validated by MG-132 treatment. In addition, it was found that the aggresomes generated by the Twist1Δ30-46 construct are more stable than the aggresome produced by the Twist1Δ47-100 construct as well as the wild-type Twist1 protein. Taken together, our data provide an important understanding on the role of IDR regions on the formation and stability of aggresomes.
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Affiliation(s)
- Gokulapriya Govindarajalu
- Department of Biotechnology, Pondicherry Central University, R. V. Nagar, Kalapet, Pondicherry, 605014, India
| | - Murugan Selvam
- Department of Biotechnology, Pondicherry Central University, R. V. Nagar, Kalapet, Pondicherry, 605014, India
| | - Elango Palchamy
- Translational Gerontology Branch, National Institute ON Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Sudhakar Baluchamy
- Department of Biotechnology, Pondicherry Central University, R. V. Nagar, Kalapet, Pondicherry, 605014, India.
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22
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Ruebel ML, Cotter M, Sims CR, Moutos DM, Badger TM, Cleves MA, Shankar K, Andres A. Obesity Modulates Inflammation and Lipid Metabolism Oocyte Gene Expression: A Single-Cell Transcriptome Perspective. J Clin Endocrinol Metab 2017; 102:2029-2038. [PMID: 28323970 PMCID: PMC5470765 DOI: 10.1210/jc.2016-3524] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 03/10/2017] [Indexed: 01/19/2023]
Abstract
CONTEXT It is hypothesized that obesity adversely affects the ovarian environment, which can disrupt oocyte maturation and embryonic development. OBJECTIVE This study aimed to compare oocyte gene expression profiles and follicular fluid (FF) content from overweight/obese (OW) women and normal-weight (NW) women who were undergoing fertility treatments. DESIGN Using single-cell transcriptomic analyses, we investigated oocyte gene expression using RNA sequencing. PATIENTS OR OTHER PARTICIPANTS Eleven OW women and 13 NW women undergoing fertility treatments were enrolled. MAIN OUTCOME MEASURES Oocyte messenger RNA profiles as well as serum and FF hormone and lipid levels were assessed. RESULTS OW women had significantly higher body mass index, body fat percentage, and serum homeostatic model assessment-insulin resistance index compared with NW women (P < 0.01). Serum leptin and C-reactive protein (CRP) levels as well as FF leptin, CRP, and triglyceride levels were increased (P < 0.05) in OW compared with NW women. Oocytes from OW women had increased expression of proinflammatory (CXCL2; P = 0.071) and oxidative stress-related (DUSP1; P = 0.051) genes but had decreased expression of GAS7 (fat metabolism; P = 0.065), TXNIP (oxidative stress; P = 0.055), and transcription factors ID3 (P = 0.075) and TWIST1 (P = 0.099) compared with NW women. CONCLUSIONS These findings provide evidence for the significant influence of body composition on oocyte transcript abundance in women undergoing hormonal induction to retrieve oocytes. They further identify the potential for maternal diet to influence oocyte gene expression. The preconception period is, therefore, an important window of opportunity to consider for lifestyle interventions.
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Affiliation(s)
- Meghan L. Ruebel
- Arkansas Children’s Nutrition Center, Little Rock, Arkansas 72202
- Department of Animal Science and Reproductive and Developmental Sciences Program, Michigan State University, East Lansing, Michigan 48824
| | - Matthew Cotter
- Arkansas Children’s Nutrition Center, Little Rock, Arkansas 72202
| | - Clark R. Sims
- Arkansas Children’s Nutrition Center, Little Rock, Arkansas 72202
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
| | - Dean M. Moutos
- Arkansas Fertility and Gynecology Clinic, Little Rock, Arkansas 72205
| | - Thomas M. Badger
- Arkansas Children’s Nutrition Center, Little Rock, Arkansas 72202
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
| | - Mario A. Cleves
- Arkansas Children’s Nutrition Center, Little Rock, Arkansas 72202
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
| | - Kartik Shankar
- Arkansas Children’s Nutrition Center, Little Rock, Arkansas 72202
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
| | - Aline Andres
- Arkansas Children’s Nutrition Center, Little Rock, Arkansas 72202
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
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Pullamsetti SS, Perros F, Chelladurai P, Yuan J, Stenmark K. Transcription factors, transcriptional coregulators, and epigenetic modulation in the control of pulmonary vascular cell phenotype: therapeutic implications for pulmonary hypertension (2015 Grover Conference series). Pulm Circ 2017; 6:448-464. [PMID: 28090287 DOI: 10.1086/688908] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Pulmonary hypertension (PH) is a complex and multifactorial disease involving genetic, epigenetic, and environmental factors. Numerous stimuli and pathological conditions facilitate severe vascular remodeling in PH by activation of a complex cascade of signaling pathways involving vascular cell proliferation, differentiation, and inflammation. Multiple signaling cascades modulate the activity of certain sequence-specific DNA-binding transcription factors (TFs) and coregulators that are critical for the transcriptional regulation of gene expression that facilitates PH-associated vascular cell phenotypes, as demonstrated by several studies summarized in this review. Past studies have largely focused on the role of the genetic component in the development of PH, while the presence of epigenetic alterations such as microRNAs, DNA methylation, histone levels, and histone deacetylases in PH is now also receiving increasing attention. Epigenetic regulation of chromatin structure is also recognized to influence gene expression in development or disease states. Therefore, a complete understanding of the mechanisms involved in altered gene expression in diseased cells is vital for the design of novel therapeutic strategies. Recent technological advances in DNA sequencing will provide a comprehensive improvement in our understanding of mechanisms involved in the development of PH. This review summarizes current concepts in TF and epigenetic control of cell phenotype in pulmonary vascular disease and discusses the current issues and possibilities in employing potential epigenetic or TF-based therapies for achieving complete reversal of PH.
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Affiliation(s)
- Soni S Pullamsetti
- Department of Lung Development and Remodeling, Max Planck Institute for Heart and Lung Research, member of the German Center for Lung Research (DZL), Bad Nauheim, Germany; Department of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), member of the DZL, Justus-Liebig University, Giessen, Germany
| | - Frédéric Perros
- Université Paris-Sud; and Institut national de la santé et de la recherche médicale (Inserm) Unité Mixte de Recherche (UMR_S) 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France
| | - Prakash Chelladurai
- Department of Lung Development and Remodeling, Max Planck Institute for Heart and Lung Research, member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Jason Yuan
- University of Arizona, Tucson, Arizona, USA
| | - Kurt Stenmark
- Cardiovascular Pulmonary Research Laboratories, Department of Medicine and Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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Ren R, Chen Z, Zhao X, Sun T, Zhang Y, Chen J, Lu S, Ma W. A possible regulatory link between Twist 1 and PPARγ gene regulation in 3T3-L1 adipocytes. Lipids Health Dis 2016; 15:189. [PMID: 27825360 PMCID: PMC5101646 DOI: 10.1186/s12944-016-0361-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 11/02/2016] [Indexed: 12/13/2022] Open
Abstract
Background Peroxisome proliferator-activated receptor γ (PPARγ) is a critical gene that regulates the function of adipocytes. Therefore, studies on the molecular regulation mechanism of PPARγ are important to understand the function of adipose tissue. Twist 1 is another important functional gene in adipose tissue, and hundreds of genes are regulated by Twist 1. The aim of this study was to investigate the regulation of Twist 1 and PPARγ expression in 3T3-L1 mature adipocytes. Methods We induced differentiation in 3T3-L1 preadipocytes and examined alterations in Twist 1 and PPARγ expression. We used the PPARγ agonist pioglitazone and the PPARγ antagonist T0070907 to investigate the effect of PPARγ on Twist 1 expression. In addition, we utilized retroviral interference and overexpression of Twist 1 to determine the effects of Twist 1 on PPARγ expression. Results The expression levels of Twist 1 and PPARγ were induced during differentiation in 3T3-L1 adipocytes. Application of either a PPARγ agonist (pioglitazone) or antagonist (T0070907) influenced Twist 1 expression, with up-regulation of Twist 1 under pioglitazone (1 μM, 24 h) and down-regulation of Twist 1 under T0070907 (100 μM, 24 h) exposure. Furthermore, the retroviral interference of Twist 1 decreased the protein and mRNA expression of PPARγ, while Twist 1 overexpression had the opposite effect. Conclusions There was a possible regulatory link between Twist 1 and PPARγ in 3T3-L1 mature adipocytes. This regulatory link enhanced the regulation of PPARγ and may be a functional mechanism of Twist 1 regulation of adipocyte physiology and pathology.
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Affiliation(s)
- Rui Ren
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, 250014, People's Republic of China
| | - Zhufeng Chen
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, 250014, People's Republic of China
| | - Xia Zhao
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, 250014, People's Republic of China
| | - Tao Sun
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, 250014, People's Republic of China
| | - Yuchao Zhang
- Department of Endocrinology, Qingdao Municipal Hospital, Qingdao, 266071, People's Republic of China
| | - Jie Chen
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, 250014, People's Republic of China
| | - Sumei Lu
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, 250014, People's Republic of China.
| | - Wanshan Ma
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, 250014, People's Republic of China
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Nuti SV, Mor G, Li P, Yin G. TWIST and ovarian cancer stem cells: implications for chemoresistance and metastasis. Oncotarget 2015; 5:7260-71. [PMID: 25238494 PMCID: PMC4202121 DOI: 10.18632/oncotarget.2428] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The transcription factor TWIST1 is a highly evolutionally conserved basic Helix-Loop-Helix (bHLH) transcription factor that functions as a master regulator of gastrulation and mesodermal development. Although TWIST1 was initially associated with embryo development, an increasing number of studies have shown TWIST1 role in the regulation of tissue homeostasis, primarily as a regulator of inflammation. More recently, TWIST1 has been found to be involved in the process of tumor metastasis through the regulation of Epithelial Mesenchymal Transition (EMT). The objective of this review is to examine the normal functions of TWIST1 and its role in tumor development, with a particular focus on ovarian cancer. We discuss the potential role of TWIST1 in the context of ovarian cancer stem cells and its influence in the process of tumor formation.
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Affiliation(s)
- Sudhakar V Nuti
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
| | - Gil Mor
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
| | - Peiyao Li
- Department of Pathology, School of Basic Medicine, Central South University, Changsha, Hunan, China
| | - Gang Yin
- Department of Pathology, School of Basic Medicine, Central South University, Changsha, Hunan, China
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Ma W, Lu S, Sun T, Wang X, Ma Y, Zhang X, Zhao R, Wang Y. Twist 1 regulates the expression of PPARγ during hormone-induced 3T3-L1 preadipocyte differentiation: a possible role in obesity and associated diseases. Lipids Health Dis 2014; 13:132. [PMID: 25128964 PMCID: PMC4150960 DOI: 10.1186/1476-511x-13-132] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Accepted: 08/12/2014] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Twist 1 is highly expressed in adipose tissue and has been associated with obesity and related disorders. However, the molecular function of Twist 1 in adipose tissue is unclear. Twist 1 has been implicated in cell lineage determination and differentiation. Therefore, we investigated both the role of Twist 1 in adipocyte precursor mobilization and the relationship of Twist 1 with other molecular determinants of adipocyte differentiation. METHODS We examined Twist 1 mRNA and protein expression in subcutaneous adipose tissues from diet-induced obese C57/BL6 mice and Wistar rats and in obese patients undergoing liposuction or adipose transplant surgeries. Twist 1 expression was measured on days 0, 2, 4, 8, and 12 of 3T3-L1 differentiation in vitro. The role of Twist 1 in adipogenesis was explored using retroviral interference of Twist 1 expression. Adipokine secretion was evaluated using a RayBio® Biotin Label-based Adipokine Array. RESULTS Twist 1 mRNA and protein levels were reduced in diet-induced obese mice and rats and in obese humans. Twist 1 was upregulated during 3T3-L1 preadipocyte differentiation in vitro, beginning from the fourth day of differentiation induction. Retroviral interference of Twist 1 expression did not significantly impair lipid formation; however, retroviral interference induced PPARγ mRNA and protein expression on day 4 of differentiation induction. Adipokine array analyses revealed increased secretion of CXCR4 (19.55-fold), VEGFR1 (92.13-fold), L-21 R (63.55-fold), and IL-12 R beta 1 (59.66-fold) and decreased secretion of VEGFR3 (0.01-fold), TSLP R (0.071-fold), MIP-1 gamma (0.069-fold), TNF RI/TNFRSF1A (0.09-fold), and MFG-E8 (0.06-fold). CONCLUSIONS Twist 1 is a regulator of adipocyte gene expression although it is not likely to regulate differentiation. We identified PPARγ as a potential target of Twist 1 and found variation in the secretion of multiple adipokines, which might indicate a prospective mechanism linking Twist 1 expression with obesity or associated diseases.
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Affiliation(s)
| | | | | | | | | | | | | | - Yunshan Wang
- Medical Research & Laboratory Diagnostic Center, Jinan Center Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P,R, China.
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