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Wang Y, Thottappillil N, Gomez-Salazar M, Tower RJ, Qin Q, Del Rosario Alvia IC, Xu M, Cherief M, Cheng R, Archer M, Arondekar S, Reddy S, Broderick K, Péault B, James AW. Integrated transcriptomics of human blood vessels defines a spatially controlled niche for early mesenchymal progenitor cells. Dev Cell 2024:S1534-5807(24)00393-9. [PMID: 39025061 DOI: 10.1016/j.devcel.2024.06.015] [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: 11/01/2023] [Revised: 03/28/2024] [Accepted: 06/19/2024] [Indexed: 07/20/2024]
Abstract
Human blood vessel walls show concentric layers, with the outermost tunica adventitia harboring mesenchymal progenitor cells. These progenitor cells maintain vessel homeostasis and provide a robust cell source for cell-based therapies. However, human adventitial stem cell niche has not been studied in detail. Here, using spatial and single-cell transcriptomics, we characterized the phenotype, potential, and microanatomic distribution of human perivascular progenitors. Initially, spatial transcriptomics identified heterogeneity between perivascular layers of arteries and veins and delineated the tunica adventitia into inner and outer layers. From this spatial atlas, we inferred a hierarchy of mesenchymal progenitors dictated by a more primitive cell with a high surface expression of CD201 (PROCR). When isolated from humans and mice, CD201Low expression typified a mesodermal committed subset with higher osteogenesis and less proliferation than CD201High cells, with a downstream effect on canonical Wnt signaling through DACT2. CD201Low cells also displayed high translational potential for bone tissue generation.
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Affiliation(s)
- Yiyun Wang
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | | | | | - Robert J Tower
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | | | - Mingxin Xu
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Masnsen Cherief
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Ray Cheng
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Mary Archer
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Shreya Arondekar
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Sashank Reddy
- Department of Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Kristen Broderick
- Department of Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Bruno Péault
- Department of Orthopedic Surgery and Orthopedic Hospital Research Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA.
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2
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Wang M, Han Y, Yao X, Duan X, Wan J, Lou X, Yan Y, Zheng P, Wang F, Zhu L, Ni C, Pan Z, Wang Z, Chen L, Wang Z, Qin Z. Hyperexpression of tumor necrosis factor receptor 2 inhibits differentiation of myeloid-derived suppressor cells by instigating apolarity during ageing. MedComm (Beijing) 2024; 5:e605. [PMID: 38868328 PMCID: PMC11167233 DOI: 10.1002/mco2.605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 04/09/2024] [Accepted: 05/08/2024] [Indexed: 06/14/2024] Open
Abstract
During the ageing process, TNF-α can promote the expansion of myeloid-derived suppressor cells (MDSCs). However, it remains unclear which receptor(s) of TNF-α are involved in and how they modulate this process. Here, we report that TNFR2 hyperexpression induced by either TNF-α or IL-6, two proinflammatory factors of senescence-associated secretory phenotype (SASP), causes cellular apolarity and differentiation inhibition in aged MDSCs. Ex vivo overexpression of TNFR2 in young MDSCs inhibited their polarity and differentiation, whereas in vivo depletion of Tnfr2 in aged MDSCs promotes their differentiation. Consequently, the age-dependent increase of TNFR2 versus unaltered TNFR1 expression in aged MDSCs significantly shifts the balance of TNF-α signaling toward the TNFR2-JNK axis, which accounts for JNK-induced impairment of cell polarity and differentiation failure of aged MDSCs. Consistently, inhibiting JNK attenuates apolarity and partially restores the differentiation capacity of aged MDSCs, suggesting that upregulated TNFR2/JNK signaling is a key factor limiting MDSC differentiation during organismal ageing. Therefore, abnormal hyperexpression of TNFR2 represents a general mechanism by which extrinsic SASP signals disrupt intrinsic cell polarity behavior, thereby arresting mature differentiation of MDSCs with ageing, suggesting that TNFR2 could be a potential therapeutic target for intervention of ageing through rejuvenation of aged MDSCs.
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Affiliation(s)
- Ming Wang
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Yijie Han
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of BiophysicsChinese Academy of SciencesBeijingChina
| | - Xiaohan Yao
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Xixi Duan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Jiajia Wan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Xiaohan Lou
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Yan Yan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Peiguo Zheng
- Clinical Laboratorythe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Fazhan Wang
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Linyu Zhu
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Chen Ni
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Zhenzhen Pan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Zihao Wang
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Lin Chen
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Zhaoqing Wang
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of BiophysicsChinese Academy of SciencesBeijingChina
| | - Zhihai Qin
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of BiophysicsChinese Academy of SciencesBeijingChina
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3
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Yue J, Zhang J, Huan R, Zeng Y, Tan Y, Cheng Y. Dishevelled-associated antagonist of β-catenin homolog 3 (DACT3) suppresses glioma progression though Notch1 signaling pathway in β-catenin-dependent manner. Heliyon 2024; 10:e23511. [PMID: 38230242 PMCID: PMC10789601 DOI: 10.1016/j.heliyon.2023.e23511] [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: 09/19/2023] [Revised: 11/16/2023] [Accepted: 12/05/2023] [Indexed: 01/18/2024] Open
Abstract
The disheveled-associated antagonist of β-catenin homolog 3 (DACT3) has been recognized as a tumor suppressor in various cancers. However, the function of DACT3 on glioma malignant progression along with potential molecular mechanisms is poorly clarified. This research aimed to investigate how DACT3 contributes to suppressing the progression of glioma. In our investigation, a pronounced decrease in DACT3 expression was observed in glioma tissues. Through the overexpression of DACT3, we noted a significant suppression in the proliferation, invasion, and migration of glioma cells, while concurrently observing an increase in cell adhesion. Our exploration into the molecular mechanisms revealed that DACT3 executes its tumor-suppressive role by impeding the expression of notch 1 intracellular domain (NICD) and translocating into the nucleus by downregulating the expression of β-catenin. Consequently, this process leads to the suppression of Notch1 signaling. To summarize, our findings reveal the function of DACT3 to inhibit glioma progression via the Notch1 signaling pathway in β-catenin dependent manner. This study stands as the pioneer in examining the role of DACT3 in glioma progression and comprehensively elucidating its molecular mechanisms in glioma development. Therefore, our results suggest that DACT3 holds promise as both a prognostic factor and a potential biomarker for guiding treatment strategies in glioma patients (Graphical Abstract).
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Affiliation(s)
- Jianhe Yue
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jiqin Zhang
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, China
| | - Renzheng Huan
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yu Zeng
- Department of Neurosurgery, Guizhou Provincial People's Hospital, Guiyang, China
| | - Ying Tan
- Department of Neurosurgery, Guizhou Provincial People's Hospital, Guiyang, China
| | - Yuan Cheng
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Dong L, Hou B, Liu C, Mao C, Huang X, Shang L, Chu S, Peng B, Cui L, Feng F, Gao J. Association Between Wnt Target Genes and Cortical Volumes in Alzheimer's Disease. J Mol Neurosci 2023; 73:1010-1016. [PMID: 38135866 PMCID: PMC10754720 DOI: 10.1007/s12031-023-02122-1] [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: 02/16/2023] [Accepted: 05/16/2023] [Indexed: 12/24/2023]
Abstract
The disproportionate cortical atrophy is an established biomarker for the pathophysiological process of Alzheimer's disease (AD). However, the genetic basis underlying the cortical atrophy remains poorly defined. Herein, we aim to illustrate the effect of the Wnt target genes on the cortical volumes of AD patients. 82 sporadic AD patients were recruited. All the subjects had history survey, blood biochemical examination, cognitive assessment, MRI morphometry and whole exome sequencing. This report focused on 84 common variants (minor allele frequency > 0.01) of 32 Wnt target genes, including the APC, DAAM1, DACT1, DISC1, LATS2, TLR2, WDR61, and the AXIN, DVL, FZD, LRP, TCF/LEF, WNT family genes. The Wnt target genes showed asymmetric effects on the cortical volumes of AD patients. The right temporal/parietal/occipital cortices were more affected than left temporal/parietal/occipital cortices. Nevertheless, the reverse applied to the frontal cortex. The DACT1 affected the cortical thickness most, followed by the TCF3 and APC. The DACT1 rs698025-GG genotype displayed greater right temporal pole and left medial orbito-frontal gyrus than rs698025-GA genotype (2.4 ± 0.4 vs. 2.0 ± 0.6, P = 0.005; 5.2 ± 0.6 vs. 5.0 ± 0.6, P = 0.001). The brain region most influenced by the Wnt target genes was the right calcarine cortex. In conclusion, the common variants of the Wnt target genes exert asymmetric effects on the cortical volumes of AD patients. The Wnt signaling pathway may play a role in the cortical atrophy of AD patients.
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Affiliation(s)
- Liling Dong
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Bo Hou
- Radiology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Caiyan Liu
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Chenhui Mao
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Xinying Huang
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Li Shang
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Shanshan Chu
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Bin Peng
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Liying Cui
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China
| | - Feng Feng
- Radiology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China.
| | - Jing Gao
- Neurology Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100005, China.
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5
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Werfel L, Martens H, Hennies I, Gjerstad AC, Fröde K, Altarescu G, Banerjee S, Valenzuela Palafoll I, Geffers R, Kirschstein M, Christians A, Bjerre A, Haffner D, Weber RG. Diagnostic Yield and Benefits of Whole Exome Sequencing in CAKUT Patients Diagnosed in the First Thousand Days of Life. Kidney Int Rep 2023; 8:2439-2457. [PMID: 38025229 PMCID: PMC10658255 DOI: 10.1016/j.ekir.2023.08.008] [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: 06/09/2023] [Revised: 07/07/2023] [Accepted: 08/07/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Congenital anomalies of the kidney and urinary tract (CAKUT) are the predominant cause of chronic kidney disease (CKD) and the need for kidney replacement therapy (KRT) in children. Although more than 60 genes are known to cause CAKUT if mutated, genetic etiology is detected, on average, in only 16% of unselected CAKUT cases, making genetic testing unproductive. Methods Whole exome sequencing (WES) was performed in 100 patients with CAKUT diagnosed in the first 1000 days of life with CKD stages 1 to 5D/T. Variants in 58 established CAKUT-associated genes were extracted, classified according to the American College of Medical Genetics and Genomics guidelines, and their translational value was assessed. Results In 25% of these mostly sporadic patients with CAKUT, a rare likely pathogenic or pathogenic variant was identified in 1 or 2 of 15 CAKUT-associated genes, including GATA3, HNF1B, LIFR, PAX2, SALL1, and TBC1D1. Of the 27 variants detected, 52% were loss-of-function and 18.5% de novo variants. The diagnostic yield was significantly higher in patients requiring KRT before 3 years of age (43%, odds ratio 2.95) and in patients with extrarenal features (41%, odds ratio 3.5) compared with patients lacking these criteria. Considering that all affected genes were previously associated with extrarenal complications, including treatable conditions, such as diabetes, hyperuricemia, hypomagnesemia, and hypoparathyroidism, the genetic diagnosis allowed preventive measures and/or early treatment in 25% of patients. Conclusion WES offers significant advantages for the diagnosis and management of patients with CAKUT diagnosed before 3 years of age, especially in patients who require KRT or have extrarenal anomalies.
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Affiliation(s)
- Lina Werfel
- Department of Human Genetics, Hannover Medical School, Hannover, Germany
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Helge Martens
- Department of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Imke Hennies
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Ann Christin Gjerstad
- Division of Pediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Kerstin Fröde
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Gheona Altarescu
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
| | | | | | - Robert Geffers
- Genome Analytics Research Group, Helmholtz Center for Infection Research, Braunschweig, Germany
| | | | - Anne Christians
- Department of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Anna Bjerre
- Division of Pediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
- Center for Congenital Kidney Diseases, Center for Rare Diseases, Hannover Medical School, Hannover, Germany
| | - Ruthild G. Weber
- Department of Human Genetics, Hannover Medical School, Hannover, Germany
- Center for Congenital Kidney Diseases, Center for Rare Diseases, Hannover Medical School, Hannover, Germany
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Heterozygous variants in the DVL2 interaction region of DACT1 cause CAKUT and features of Townes-Brocks syndrome 2. Hum Genet 2023; 142:73-88. [PMID: 36066768 PMCID: PMC9839807 DOI: 10.1007/s00439-022-02481-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 08/16/2022] [Indexed: 01/18/2023]
Abstract
Most patients with congenital anomalies of the kidney and urinary tract (CAKUT) remain genetically unexplained. In search of novel genes associated with CAKUT in humans, we applied whole-exome sequencing in a patient with kidney, anorectal, spinal, and brain anomalies, and identified a rare heterozygous missense variant in the DACT1 (dishevelled binding antagonist of beta catenin 1) gene encoding a cytoplasmic WNT signaling mediator. Our patient's features overlapped Townes-Brocks syndrome 2 (TBS2) previously described in a family carrying a DACT1 nonsense variant as well as those of Dact1-deficient mice. Therefore, we assessed the role of DACT1 in CAKUT pathogenesis. Taken together, very rare (minor allele frequency ≤ 0.0005) non-silent DACT1 variants were detected in eight of 209 (3.8%) CAKUT families, significantly more frequently than in controls (1.7%). All seven different DACT1 missense variants, predominantly likely pathogenic and exclusively maternally inherited, were located in the interaction region with DVL2 (dishevelled segment polarity protein 2), and biochemical characterization revealed reduced binding of mutant DACT1 to DVL2. Patients carrying DACT1 variants presented with kidney agenesis, duplex or (multi)cystic (hypo)dysplastic kidneys with hydronephrosis and TBS2 features. During murine development, Dact1 was expressed in organs affected by anomalies in patients with DACT1 variants, including the kidney, anal canal, vertebrae, and brain. In a branching morphogenesis assay, tubule formation was impaired in CRISPR/Cas9-induced Dact1-/- murine inner medullary collecting duct cells. In summary, we provide evidence that heterozygous hypomorphic DACT1 variants cause CAKUT and other features of TBS2, including anomalies of the skeleton, brain, distal digestive and genital tract.
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7
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Shi DL. Wnt/planar cell polarity signaling controls morphogenetic movements of gastrulation and neural tube closure. Cell Mol Life Sci 2022; 79:586. [PMID: 36369349 DOI: 10.1007/s00018-022-04620-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/25/2022] [Accepted: 10/31/2022] [Indexed: 11/13/2022]
Abstract
Gastrulation and neurulation are successive morphogenetic processes that play key roles in shaping the basic embryonic body plan. Importantly, they operate through common cellular and molecular mechanisms to set up the three spatially organized germ layers and to close the neural tube. During gastrulation and neurulation, convergent extension movements driven by cell intercalation and oriented cell division generate major forces to narrow the germ layers along the mediolateral axis and elongate the embryo in the anteroposterior direction. Apical constriction also makes an important contribution to promote the formation of the blastopore and the bending of the neural plate. Planar cell polarity proteins are major regulators of asymmetric cell behaviors and critically involved in a wide variety of developmental processes, from gastrulation and neurulation to organogenesis. Mutations of planar cell polarity genes can lead to general defects in the morphogenesis of different organs and the co-existence of distinct congenital diseases, such as spina bifida, hearing deficits, kidney diseases, and limb elongation defects. This review outlines our current understanding of non-canonical Wnt signaling, commonly known as Wnt/planar cell polarity signaling, in regulating morphogenetic movements of gastrulation and neural tube closure during development and disease. It also attempts to identify unanswered questions that deserve further investigations.
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Affiliation(s)
- De-Li Shi
- Institute of Medical Research, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China. .,Laboratory of Developmental Biology, CNRS-UMR7622, Institut de Biologie Paris-Seine (IBPS), Sorbonne University, Paris, France.
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8
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Zeng Y, Zhang J, Yue J, Han G, Liu W, Liu L, Lin X, Zha Y, Liu J, Tan Y. The Role of DACT Family Members in Tumorigenesis and Tumor Progression. Int J Biol Sci 2022; 18:4532-4544. [PMID: 35864965 PMCID: PMC9295065 DOI: 10.7150/ijbs.70784] [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: 01/06/2022] [Accepted: 04/21/2022] [Indexed: 11/21/2022] Open
Abstract
Disheveled-associated antagonist of β-catenin (DACT), which ubiquitously expressed in human tissue, is critical for regulating cell proliferation and several developmental processes in different cellular contexts. In addition, DACT is essential for some other cellular processes, such as cell apoptosis, migration and differentiation. Given the importance of DACT in these cellular processes, many scientists are gradually interested in studying the role of DACT in tumorigenesis and cancer progression. This review article focuses on the latest research regarding the essential functions and potential DACT mechanisms in the occurrence and progression of tumors. Our study indicates that DACT may act as a tumor biomarker for cancer diagnosis and prognosis, as well as a promising therapeutic target in cancers.
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Affiliation(s)
- Yu Zeng
- Department of Neurosurgery, Guizhou Provincial People's Hospital, Guiyang, China
| | - Jiqin Zhang
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, China
| | - Jianhe Yue
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Guoqiang Han
- Department of Neurosurgery, Guizhou Provincial People's Hospital, Guiyang, China
| | - Weijia Liu
- Department of Respiratory and Critical Care Medicine, Guizhou Provincial People's Hospital, Guiyang, China
| | - Lin Liu
- Department of Respiratory and Critical Care Medicine, Guizhou Provincial People's Hospital, Guiyang, China
| | - Xin Lin
- Department of Nephrology, Guizhou Provincial People's Hospital, Guiyang, China
| | - Yan Zha
- Department of Nephrology, Guizhou Provincial People's Hospital, Guiyang, China
| | - Jian Liu
- Department of Neurosurgery, Guizhou Provincial People's Hospital, Guiyang, China
| | - Ying Tan
- Department of Neurosurgery, Guizhou Provincial People's Hospital, Guiyang, China
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9
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Superresolution microscopy localizes endogenous Dvl2 to Wnt signaling-responsive biomolecular condensates. Proc Natl Acad Sci U S A 2022; 119:e2122476119. [PMID: 35867833 PMCID: PMC9335300 DOI: 10.1073/pnas.2122476119] [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] [Indexed: 11/18/2022] Open
Abstract
Wnt signaling governs cell fate and tissue polarity across species. The Dishevelled proteins are central to Wnt signaling cascades. Wnt-mediated multiprotein complexes such as the “signalosome” and the “destruction complex” have been proposed to represent biomolecular condensates. These nonmembranous, specialized compartments have been suggested to form through liquid–liquid phase separation and ensure correctly proceeding physiological reactions. Although biomolecular condensates have increasingly been studied, key questions remain regarding, for example, their architecture and physiological regulation. Here, superresolution microscopy after endogenous labeling of Dishevelled-2 gives insights into protein functions and Wnt signaling at physiological levels. It reveals the distinct molecular architecture of endogenous Wnt condensates at single-molecule resolution and illustrates close interactions at the centrosome. During organismal development, homeostasis, and disease, Dishevelled (Dvl) proteins act as key signaling factors in beta-catenin–dependent and beta-catenin–independent Wnt pathways. While their importance for signal transmission has been genetically demonstrated in many organisms, our mechanistic understanding is still limited. Previous studies using overexpressed proteins showed Dvl localization to large, punctate-like cytoplasmic structures that are dependent on its DIX domain. To study Dvl’s role in Wnt signaling, we genome engineered an endogenously expressed Dvl2 protein tagged with an mEos3.2 fluorescent protein for superresolution imaging. First, we demonstrate the functionality and specificity of the fusion protein in beta-catenin–dependent and beta-catenin–independent signaling using multiple independent assays. We performed live-cell imaging of Dvl2 to analyze the dynamic formation of the supramolecular cytoplasmic Dvl2_mEos3.2 condensates. While overexpression of Dvl2_mEos3.2 mimics the previously reported formation of abundant large “puncta,” supramolecular condensate formation at physiological protein levels is only observed in a subset of cells with approximately one per cell. We show that, in these condensates, Dvl2 colocalizes with Wnt pathway components at gamma-tubulin and CEP164-positive centrosomal structures and that the localization of Dvl2 to these condensates is Wnt dependent. Single-molecule localization microscopy using photoactivated localization microscopy (PALM) of mEos3.2 in combination with DNA-PAINT demonstrates the organization and repetitive patterns of these condensates in a cell cycle–dependent manner. Our results indicate that the localization of Dvl2 in supramolecular condensates is coordinated dynamically and dependent on cell state and Wnt signaling levels. Our study highlights the formation of endogenous and physiologically regulated biomolecular condensates in the Wnt pathways at single-molecule resolution.
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10
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Hou J, Huang S, Long Y, Feng K, Shang L, Zhou Z, Yue Y, Huang X, Chen G, Wu Z. Disheveled binding antagonist of β-catenin 1 interacted with β-catenin and connexin 43 in human-induced pluripotent stem cells-derived cardiomyocytes. Bioengineered 2022; 13:11594-11601. [PMID: 35510412 PMCID: PMC9275970 DOI: 10.1080/21655979.2022.2070448] [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] [Indexed: 11/28/2022] Open
Abstract
Previously, we demonstrated that the disheveled binding antagonist of β-catenin 1 (DACT1) was involved in atrial fibrillation by regulating the reorganization of connexin 43 and β-catenin in cardiomyocytes. Little is known, however, about DACT1 in human normal myocardial cells. Therefore, we used cardiomyocytes (CMs) derived from human embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) to investigate the role of DACT1 and its connection with β-catenin and connexin 43. While the ESC-CMs and iPSC-CMs were differentiated using commercial differentiation kits, the cardiac-specific markers were detected by immunofluorescence. The expression level of DACT1 was detected using western blotting, whereas the interaction of DACT1 and connexin 43 or β-catenin was detected by immunofluorescence and co-immunoprecipitation (co-IP) assays. Both H1-CMs and SF-CMs were immunostained for cardiac-specific markers, including Troponin I, Troponin T, α-actinin, NKX2.5, and GATA6. While DACT1 was not expressed in both H1 ESCs and SF-iPSCs, it was, however, highly expressed in differentiated CMs, being also localized in the cytoplasm and the nucleus of differentiated CMs. Interestingly, the DACT1 expression in different nuclei was different in the same multinucleated cell. Moreover, DACT1 colocalized with β-catenin in both the cytoplasm and nucleus of differentiated CMs, and it also colocalized with connexin 43 in the perinuclear region and the gap junctions of differentiated CMs. Co-IP results showed that DACT1 could directly bind to β-catenin and connexin 43. Taken together, DACT1 interacted with β-catenin and connexin 43 in human-induced pluripotent stem cells-derived cardiomyocytes.
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Affiliation(s)
- Jian Hou
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Suiqing Huang
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Yan Long
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Kangni Feng
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Liqun Shang
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Zhuoming Zhou
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Yuan Yue
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Xiaolin Huang
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Guangxian Chen
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
| | - Zhongkai Wu
- Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Nhc Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou, China
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11
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Gao Q, Hou L, Wang H, Xun L. DACT3 has a tumor‐inhibiting role in acute myeloid leukemia via the suppression of Wnt/β‐catenin signaling by DVL2. J Biochem Mol Toxicol 2022; 36:e23014. [PMID: 35187752 DOI: 10.1002/jbt.23014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 11/17/2021] [Accepted: 01/04/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Qiuying Gao
- Department of Haematology Shaanxi Provincial People's Hospital Xi'an Shaanxi China
| | - Limin Hou
- Department of Haematology Shaanxi Provincial People's Hospital Xi'an Shaanxi China
| | - Hui Wang
- Department of Haematology Shaanxi Provincial People's Hospital Xi'an Shaanxi China
| | - Liru Xun
- Department of Nephropathy Shaanxi Provincial People's Hospital Xi'an Shaanxi China
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12
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Wen Q, Weng H, Liu T, Yu L, Zhao T, Qin J, Li S, Wu Q, Fadel T, Qu Y, Zhou L. Inactivating Celsr2 promotes motor axon fasciculation and regeneration in mouse and human. Brain 2022; 145:670-683. [PMID: 34983065 PMCID: PMC9014747 DOI: 10.1093/brain/awab317] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/20/2021] [Accepted: 07/26/2021] [Indexed: 11/18/2022] Open
Abstract
Understanding new modulators of axon regeneration is central to neural repair. Our previous work demonstrated critical roles of atypical cadherin Celsr2 during neural development, including cilia organization, neuron migration and axon navigation. Here, we address its role in axon regeneration. We show that Celsr2 is highly expressed in both mouse and human spinal motor neurons. Celsr2 knockout promotes axon regeneration and fasciculation in mouse cultured spinal explants. Similarly, cultured Celsr2 mutant motor neurons extend longer neurites and larger growth cones, with increased expression of end-binding protein 3 and higher potassium-induced calcium influx. Mice with Celsr2 conditional knockout in spinal motor neurons do not exhibit any behavioural deficits; however, after branchial plexus injury, axon regeneration and functional forelimb locomotor recovery are significantly improved. Similarly, knockdown of CELSR2 using shRNA interference in cultured human spinal motor explants and motor neurons increases axonal fasciculation and growth. In mouse adult spinal cord after root avulsion, in mouse embryonic spinal cords, and in cultured human motor neurons, Celsr2 downregulation is accompanied by increased levels of GTP-bound Rac1 and Cdc42, and of JNK and c-Jun. In conclusion, Celsr2 negatively regulates motor axon regeneration and is a potential target to improve neural repair.
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Affiliation(s)
- Quan Wen
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou 510632, P. R. China
| | - Huandi Weng
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou 510632, P. R. China
| | - Tao Liu
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou 510632, P. R. China
| | - Lingtai Yu
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou 510632, P. R. China
| | - Tainyun Zhao
- Department of Anesthesiology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, P.R. China
| | - Jingwen Qin
- Department of Anesthesiology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, P.R. China
| | - Si Li
- State Key Laboratory of Molecular Development Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, P.R. China.,University of Chinese Academy of Sciences, Beijing 100101, P.R. China
| | - Qingfeng Wu
- State Key Laboratory of Molecular Development Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, P.R. China.,University of Chinese Academy of Sciences, Beijing 100101, P.R. China
| | - Tissir Fadel
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium.,College of Life and Health Sciences, Hamad Bin Khalifa University (HBKU), Doha, Qatar
| | - Yibo Qu
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou 510632, P. R. China.,Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain- Inspired Intelligence, Guangzhou 510515, P.R. China.,Co-innovation Center of Neuroregeneration, Nantong University, Jiangsu, P. R. China
| | - Libing Zhou
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou 510632, P. R. China.,Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, P.R. China.,Co-innovation Center of Neuroregeneration, Nantong University, Jiangsu, P. R. China.,The first affiliated hospital of Jian University, Guangzhou 510632, P. R. China
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13
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Roudaut M, Idriss S, Caillaud A, Girardeau A, Rimbert A, Champon B, David A, Lévêque A, Arnaud L, Pichelin M, Prieur X, Prat A, Seidah NG, Zibara K, Le May C, Cariou B, Si-Tayeb K. PCSK9 regulates the NODAL signaling pathway and cellular proliferation in hiPSCs. Stem Cell Reports 2021; 16:2958-2972. [PMID: 34739847 PMCID: PMC8693623 DOI: 10.1016/j.stemcr.2021.10.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 10/06/2021] [Accepted: 10/07/2021] [Indexed: 11/16/2022] Open
Abstract
Proprotein convertase subtilisin kexin type 9 (PCSK9) is a key regulator of low-density lipoprotein (LDL) cholesterol metabolism and the target of lipid-lowering drugs. PCSK9 is mainly expressed in hepatocytes. Here, we show that PCSK9 is highly expressed in undifferentiated human induced pluripotent stem cells (hiPSCs). PCSK9 inhibition in hiPSCs with the use of short hairpin RNA (shRNA), CRISPR/cas9-mediated knockout, or endogenous PCSK9 loss-of-function mutation R104C/V114A unveiled its new role as a potential cell cycle regulator through the NODAL signaling pathway. In fact, PCSK9 inhibition leads to a decrease of SMAD2 phosphorylation and hiPSCs proliferation. Conversely, PCSK9 overexpression stimulates hiPSCs proliferation. PCSK9 can interfere with the NODAL pathway by regulating the expression of its endogenous inhibitor DACT2, which is involved in transforming growth factor (TGF) β-R1 lysosomal degradation. Using different PCSK9 constructs, we show that PCSK9 interacts with DACT2 through its Cys-His-rich domain (CHRD) domain. Altogether these data highlight a new role of PCSK9 in cellular proliferation and development.
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Affiliation(s)
- Meryl Roudaut
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France; HCS Pharma, Lille, France
| | - Salam Idriss
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France; ER045 - Laboratory of Stem Cells: Maintenance, Differentiation and Pathology, Biology Department, Faculty of Sciences, Lebanese University, Beirut, Lebanon
| | - Amandine Caillaud
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Aurore Girardeau
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Antoine Rimbert
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Benoite Champon
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Amandine David
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Antoine Lévêque
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Lucie Arnaud
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Matthieu Pichelin
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France; Université de Nantes, CHU Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Xavier Prieur
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Annik Prat
- University of Montreal, Montreal, QC, Canada
| | | | - Kazem Zibara
- ER045 - Laboratory of Stem Cells: Maintenance, Differentiation and Pathology, Biology Department, Faculty of Sciences, Lebanese University, Beirut, Lebanon
| | - Cedric Le May
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France
| | - Bertrand Cariou
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France; Université de Nantes, CHU Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France.
| | - Karim Si-Tayeb
- Université de Nantes, CNRS, INSERM, l'institut du thorax, 44000 Nantes, France.
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14
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Shi Q, Chen YG. Regulation of Dishevelled protein activity and stability by post-translational modifications and autophagy. Trends Biochem Sci 2021; 46:1003-1016. [PMID: 34433516 DOI: 10.1016/j.tibs.2021.07.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/16/2021] [Accepted: 07/30/2021] [Indexed: 01/18/2023]
Abstract
As a key component of Wnt signaling, Dishevelled (Dvl/Dsh) plays essential roles in development processes and adult tissue homeostasis in multicellular organisms, and its deregulation results in human development disorders and other diseases. Dvl integrates and relays complex Wnt signals by acting as a branch-point of β-catenin-dependent canonical and β-catenin-independent noncanonical pathways. It dynamically interacts with multiple proteins to modulate Wnt signaling, while its activity and stability are tightly controlled by other proteins. This Review summarizes the current understanding of regulation of Dvl activity, localization, and stability by post-translational modifications, aggregation, and autophagy, and the impacts on Dvl function in both Wnt signaling and biological processes.
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Affiliation(s)
- Qiaoni Shi
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Ye-Guang Chen
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China.
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15
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Chatterjee A, Paul S, Bisht B, Bhattacharya S, Sivasubramaniam S, Paul MK. Advances in targeting the WNT/β-catenin signaling pathway in cancer. Drug Discov Today 2021; 27:82-101. [PMID: 34252612 DOI: 10.1016/j.drudis.2021.07.007] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/27/2021] [Accepted: 07/06/2021] [Indexed: 01/05/2023]
Abstract
WNT/β-catenin signaling orchestrates various physiological processes, including embryonic development, growth, tissue homeostasis, and regeneration. Abnormal WNT/β-catenin signaling is associated with various cancers and its inhibition has shown effective antitumor responses. In this review, we discuss the pathway, potential targets for the development of WNT/β-catenin inhibitors, available inhibitors, and their specific molecular interactions with the target proteins. We also discuss inhibitors that are in clinical trials and describe potential new avenues for therapeutically targeting the WNT/β-catenin pathway. Furthermore, we introduce emerging strategies, including artificial intelligence (AI)-assisted tools and technology-based actionable approaches, to translate WNT/β-catenin inhibitors to the clinic for cancer therapy.
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Affiliation(s)
- Avradip Chatterjee
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Sayan Paul
- Department of Biotechnology, Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu 627012, India; Centre for Cardiovascular Biology and Disease, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore 560065, India
| | - Bharti Bisht
- Department of Thoracic Surgery, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA
| | - Shelley Bhattacharya
- Environmental Toxicology Laboratory, Department of Zoology (Centre for Advanced Studies), Visva Bharati (A Central University), Santiniketan 731235, India
| | - Sudhakar Sivasubramaniam
- Department of Biotechnology, Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu 627012, India
| | - Manash K Paul
- Department of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA.
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16
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Dact1 is expressed during chicken and mouse skeletal myogenesis and modulated in human muscle diseases. Comp Biochem Physiol B Biochem Mol Biol 2021; 256:110645. [PMID: 34252542 DOI: 10.1016/j.cbpb.2021.110645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/02/2021] [Accepted: 07/06/2021] [Indexed: 12/23/2022]
Abstract
Vertebrate skeletal muscle development and repair relies on the precise control of Wnt signaling. Dact1 (Dapper/Frodo) is an important modulator of Wnt signaling, interacting with key components of the various Wnt transduction pathways. Here, we characterized Dact1 mRNA and protein expression in chicken and mouse fetal muscles in vivo and during the differentiation of chick primary and mouse C2C12 myoblasts in vitro. We also performed in silico analysis to investigate Dact1 gene expression in human myopathies, and evaluated the Dact1 protein structure to seek an explanation for the accumulation of Dact1 protein aggregates in the nuclei of myogenic cells. Our results show for the first time that in both chicken and mouse, Dact1 is expressed during myogenesis, with a strong upregulation as cells engage in terminal differentiation, cell cycle withdrawal and cell fusion. In humans, Dact1 expression was found to be altered in specific muscle pathologies, including muscular dystrophies. Our bioinformatic analyses of Dact1 proteins revealed long intrinsically disordered regions, which may underpin the ability of Dact1 to interact with its many partners in the various Wnt pathways. In addition, we found that Dact1 has strong propensity for liquid-liquid phase separation, a feature that explains its ability to form nuclear aggregates and points to a possible role as a molecular 'on'-'off' switch. Taken together, our data suggest Dact1 as a candidate, multi-faceted regulator of amniote myogenesis with a possible pathophysiological role in human muscular diseases.
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17
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The structural biology of canonical Wnt signalling. Biochem Soc Trans 2021; 48:1765-1780. [PMID: 32725184 PMCID: PMC7458405 DOI: 10.1042/bst20200243] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/04/2020] [Accepted: 07/07/2020] [Indexed: 12/17/2022]
Abstract
The Wnt signalling pathways are of great importance in embryonic development and oncogenesis. Canonical and non-canonical Wnt signalling pathways are known, with the canonical (or β-catenin dependent) pathway being perhaps the best studied of these. While structural knowledge of proteins and interactions involved in canonical Wnt signalling has accumulated over the past 20 years, the pace of discovery has increased in recent years, with the structures of several key proteins and assemblies in the pathway being released. In this review, we provide a brief overview of canonical Wnt signalling, followed by a comprehensive overview of currently available X-ray, NMR and cryoEM data elaborating the structures of proteins and interactions involved in canonical Wnt signalling. While the volume of structures available is considerable, numerous gaps in knowledge remain, particularly a comprehensive understanding of the assembly of large multiprotein complexes mediating key aspects of pathway, as well as understanding the structure and activation of membrane receptors in the pathway. Nonetheless, the presently available data affords considerable opportunities for structure-based drug design efforts targeting canonical Wnt signalling.
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18
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Jaromi L, Csongei V, Vesel M, Abdelwahab EMM, Soltani A, Torok Z, Smuk G, Sarosi V, Pongracz JE. KRAS and EGFR Mutations Differentially Alter ABC Drug Transporter Expression in Cisplatin-Resistant Non-Small Cell Lung Cancer. Int J Mol Sci 2021; 22:ijms22105384. [PMID: 34065402 PMCID: PMC8160643 DOI: 10.3390/ijms22105384] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 02/06/2023] Open
Abstract
Lung carcinoma is still the most common malignancy worldwide. One of the major subtypes of non-small cell lung cancer (NSCLC) is adenocarcinoma (AC). As driver mutations and hence therapies differ in AC subtypes, we theorized that the expression and function of ABC drug transporters important in multidrug resistance (MDR) would correlate with characteristic driver mutations KRAS or EGFR. Cisplatin resistance (CR) was generated in A549 (KRAS) and PC9 (EGFR) cell lines and gene expression was tested. In three-dimensional (3D) multicellular aggregate cultures, both ABCB1 and ABCG2 transporters, as well as the WNT microenvironment, were investigated. ABCB1 and ABCG2 gene expression levels were different in primary AC samples and correlated with specific driver mutations. The drug transporter expression pattern of parental A549 and PC9, as well as A549-CR and PC9-CR, cell lines differed. Increased mRNA levels of ABCB1 and ABCG2 were detected in A549-CR cells, compared to parental A549, while the trend observed in the case of PC9 cells was different. Dominant alterations were observed in LEF1, RHOU and DACT1 genes of the WNT signalling pathway in a mutation-dependent manner. The study confirmed that, in lung AC-s, KRAS and EGFR driver mutations differentially affect both drug transporter expression and the cisplatin-induced WNT signalling microenvironment.
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Affiliation(s)
- Luca Jaromi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, 2 Rokus Str, H-7624 Pecs, Hungary; (L.J.); (V.C.); (M.V.); (E.M.M.A.); (A.S.); (Z.T.)
- Wnt-Signalling and Biotechnology Research Group, Szentagothai Research Centre, University of Pecs, 20 Ifjusag Str, H-7624 Pecs, Hungary
| | - Veronika Csongei
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, 2 Rokus Str, H-7624 Pecs, Hungary; (L.J.); (V.C.); (M.V.); (E.M.M.A.); (A.S.); (Z.T.)
- Wnt-Signalling and Biotechnology Research Group, Szentagothai Research Centre, University of Pecs, 20 Ifjusag Str, H-7624 Pecs, Hungary
| | - Monika Vesel
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, 2 Rokus Str, H-7624 Pecs, Hungary; (L.J.); (V.C.); (M.V.); (E.M.M.A.); (A.S.); (Z.T.)
- Wnt-Signalling and Biotechnology Research Group, Szentagothai Research Centre, University of Pecs, 20 Ifjusag Str, H-7624 Pecs, Hungary
| | - ElHusseiny Mohamed Mahmud Abdelwahab
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, 2 Rokus Str, H-7624 Pecs, Hungary; (L.J.); (V.C.); (M.V.); (E.M.M.A.); (A.S.); (Z.T.)
- Wnt-Signalling and Biotechnology Research Group, Szentagothai Research Centre, University of Pecs, 20 Ifjusag Str, H-7624 Pecs, Hungary
| | - Amina Soltani
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, 2 Rokus Str, H-7624 Pecs, Hungary; (L.J.); (V.C.); (M.V.); (E.M.M.A.); (A.S.); (Z.T.)
- Wnt-Signalling and Biotechnology Research Group, Szentagothai Research Centre, University of Pecs, 20 Ifjusag Str, H-7624 Pecs, Hungary
| | - Zsofia Torok
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, 2 Rokus Str, H-7624 Pecs, Hungary; (L.J.); (V.C.); (M.V.); (E.M.M.A.); (A.S.); (Z.T.)
- Wnt-Signalling and Biotechnology Research Group, Szentagothai Research Centre, University of Pecs, 20 Ifjusag Str, H-7624 Pecs, Hungary
- Department of Pulmonology, Internal Medicine, The Medical School and Clinical Centre, University of Pecs, 12 Szigeti Str, H-7624 Pecs, Hungary;
| | - Gabor Smuk
- Department of Pathology, The Medical School and Clinical Centre, University of Pecs, 12 Szigeti Str, H-7624 Pecs, Hungary;
| | - Veronika Sarosi
- Department of Pulmonology, Internal Medicine, The Medical School and Clinical Centre, University of Pecs, 12 Szigeti Str, H-7624 Pecs, Hungary;
| | - Judit Erzsebet Pongracz
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, 2 Rokus Str, H-7624 Pecs, Hungary; (L.J.); (V.C.); (M.V.); (E.M.M.A.); (A.S.); (Z.T.)
- Wnt-Signalling and Biotechnology Research Group, Szentagothai Research Centre, University of Pecs, 20 Ifjusag Str, H-7624 Pecs, Hungary
- Correspondence: ; Tel.: +36-72-536-000 (ext. 29250) or +36-30-435-7944
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20
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Esposito M, Fang C, Cook KC, Park N, Wei Y, Spadazzi C, Bracha D, Gunaratna RT, Laevsky G, DeCoste CJ, Slabodkin H, Brangwynne CP, Cristea IM, Kang Y. TGF-β-induced DACT1 biomolecular condensates repress Wnt signalling to promote bone metastasis. Nat Cell Biol 2021; 23:257-267. [PMID: 33723425 PMCID: PMC7970447 DOI: 10.1038/s41556-021-00641-w] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 01/26/2021] [Indexed: 02/07/2023]
Abstract
The complexity of intracellular signalling requires both a diversity of molecular players and the sequestration of activity to unique compartments within the cell. Recent findings on the role of liquid-liquid phase separation provide a distinct mechanism for the spatial segregation of proteins to regulate signalling pathway crosstalk. Here, we discover that DACT1 is induced by TGFβ and forms protein condensates in the cytoplasm to repress Wnt signalling. These condensates do not localize to any known organelles but, rather, exist as phase-separated proteinaceous cytoplasmic bodies. The deletion of intrinsically disordered domains within the DACT1 protein eliminates its ability to both form protein condensates and suppress Wnt signalling. Isolation and mass spectrometry analysis of these particles revealed a complex of protein machinery that sequesters casein kinase 2-a Wnt pathway activator. We further demonstrate that DACT1 condensates are maintained in vivo and that DACT1 is critical to breast and prostate cancer bone metastasis.
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Affiliation(s)
- Mark Esposito
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Cao Fang
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Katelyn C Cook
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Nana Park
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Yong Wei
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Chiara Spadazzi
- Osteoncology and Rare Tumors Center, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Dan Bracha
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, USA
| | - Ramesh T Gunaratna
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Gary Laevsky
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | | | - Hannah Slabodkin
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Clifford P Brangwynne
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, USA
- Howard Hughes Medical Institute, Princeton University, Princeton, NJ, USA
| | - Ileana M Cristea
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Yibin Kang
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA.
- Ludwig Institute for Cancer Research, Princeton University, Princeton, NJ, USA.
- Cancer Metabolism and Growth Program, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA.
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21
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Colozza G, De Robertis EM. Dact-4 is a Xenopus laevis Spemann organizer gene related to the Dapper/Frodo antagonist of β-catenin family of proteins. Gene Expr Patterns 2020; 38:119153. [PMID: 33186756 DOI: 10.1016/j.gep.2020.119153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/07/2020] [Accepted: 11/07/2020] [Indexed: 12/27/2022]
Abstract
Dact/Dapper/Frodo members belong to an evolutionarily conserved family of Dishevelled-binding proteins present in mammals, birds, amphibians and fishes that are involved in the regulation of Wnt and TGF-β signaling. In addition to the three established genes (Dact1-3) that compose the Dact family, a fourth paralogue group of related proteins has been recently identified and named Dact-4. Interestingly, Dact-4 is the most rapidly evolving gene of the entire family, as it displays very low homology with other Dact proteins and has lost key conserved domains. Dact-4 is not present in mammals, but weakly conserved homologs were found in reptiles and fishes. Recent RNAseq from our group identified new genes specifically expressed in the Xenopus laevis Spemann organizer. Among these, LOC100170590 mRNA encoded a protein sharing weak homology with a coelacanth Dact-like protein member. Here, by analyzing protein phylogeny and synteny, we show that this organizer gene corresponds to Dact-4. We report that Dact-4 is expressed in the Xenopus blastula pre-organizer region in addition to the gastrula organizer, as well as in placodes, eyes, neural tube, presomitic mesoderm and pronephros. Dact-4-Flag microinjection experiments suggest it is a nucleocytoplasmic protein, as are the other Dact paralogues.
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Affiliation(s)
- Gabriele Colozza
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095-1662, USA.
| | - Edward M De Robertis
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095-1662, USA
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22
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Lenoir M, Martín R, Torres-Maravilla E, Chadi S, González-Dávila P, Sokol H, Langella P, Chain F, Bermúdez-Humarán LG. Butyrate mediates anti-inflammatory effects of Faecalibacterium prausnitzii in intestinal epithelial cells through Dact3. Gut Microbes 2020; 12:1-16. [PMID: 33054518 PMCID: PMC7567499 DOI: 10.1080/19490976.2020.1826748] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
The commensal bacterium Faecalibacterium prausnitzii plays a key role in inflammatory bowel disease (IBD) pathogenesis and serves as a general health biomarker in humans. However, the host molecular mechanisms that underlie its anti-inflammatory effects remain unknown. In this study we performed a transcriptomic approach on human intestinal epithelial cells (HT-29) stimulated with TNF-α and exposed to F. prausnitzii culture supernatant (SN) in order to determine the impact of this commensal bacterium on intestinal epithelial cells. Moreover, modulation of the most upregulated gene after F. prausnitzii SN contact was validated both in vitro and in vivo. Our results showed that F. prausnitzii SN upregulates the expression of Dact3, a gene linked to the Wnt/JNK pathway. Interestingly, when we silenced Dact3 expression, the effect of F. prausnitzii SN was lost. Butyrate was identified as the F. prausnitzii effector responsible for Dact3 modulation. Dact3 upregulation was also validated in vivo in both healthy and inflamed mice treated with either F. prausnitzii SN or the live bacteria, respectively. Finally, we demonstrated by colon transcriptomics that gut microbiota directly influences Dact3 expression. This study provides new clues about the host molecular mechanisms involved in the anti-inflammatory effects of the beneficial commensal bacterium F. prausnitzii.
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Affiliation(s)
- Marion Lenoir
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - Rebeca Martín
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | | | - Sead Chadi
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | | | - Harry Sokol
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France,Sorbonne Universités, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Gastroenterology department, F-75012Paris, France
| | - Philippe Langella
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - Florian Chain
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - Luis G. Bermúdez-Humarán
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France,CONTACT Luis G. Bermúdez-Humarán Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350Jouy-en-Josas, France
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23
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Liu L, Liu W, Shi Y, Li L, Gao Y, Lei Y, Finnell R, Zhang T, Zhang F, Jin L, Li H, Tao W, Wang H. DVL mutations identified from human neural tube defects and Dandy-Walker malformation obstruct the Wnt signaling pathway. J Genet Genomics 2020; 47:301-310. [PMID: 32900645 DOI: 10.1016/j.jgg.2020.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 06/18/2020] [Accepted: 06/21/2020] [Indexed: 11/18/2022]
Abstract
Wnt signaling pathways, including the canonical Wnt/β-catenin pathway, planar cell polarity pathway, and Wnt/Ca2+ signaling pathway, play important roles in neural development during embryonic stages. The DVL genes encode the hub proteins for Wnt signaling pathways. The mutations in DVL2 and DVL3 were identified from patients with neural tube defects (NTDs), but their functions in the pathogenesis of human neural diseases remain elusive. Here, we sequenced the coding regions of three DVL genes in 176 stillborn or miscarried fetuses with NTDs or Dandy-Walker malformation (DWM) and 480 adult controls from a Han Chinese population. Four rare mutations were identified: DVL1 p.R558H, DVL1 p.R606C, DVL2 p.R633W, and DVL3 p.R222Q. To assess the effect of these mutations on NTDs and DWM, various functional analyses such as luciferase reporter assay, stress fiber formation, and in vivo teratogenic assay were performed. The results showed that the DVL2 p.R633W mutation destabilized DVL2 protein and upregulated activities for all three Wnt signalings (Wnt/β-catenin signaling, Wnt/planar cell polarity signaling, and Wnt/Ca2+ signaling) in mammalian cells. In contrast, DVL1 mutants (DVL1 p.R558H and DVL1 p.R606C) decreased canonical Wnt/β-catenin signaling but increased the activity of Wnt/Ca2+ signaling, and DVL3 p.R222Q only decreased the activity of Wnt/Ca2+ signaling. We also found that only the DVL2 p.R633W mutant displayed more severe teratogenicity in zebrafish embryos than wild-type DVL2. Our study demonstrates that these four rare DVL mutations, especially DVL2 p.R633W, may contribute to human neural diseases such as NTDs and DWM by obstructing Wnt signaling pathways.
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Affiliation(s)
- Lingling Liu
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China; NHC Key Lab of Reproduction (Shanghai Institute of Planned Parenthood Research), Institute of Reproduction and Development, Fudan University, Shanghai, 200032, China
| | - Weiqi Liu
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China; NHC Key Lab of Reproduction (Shanghai Institute of Planned Parenthood Research), Institute of Reproduction and Development, Fudan University, Shanghai, 200032, China
| | - Yan Shi
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China
| | - Ling Li
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China
| | - Yunqian Gao
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China
| | - Yunping Lei
- Departments of Molecular and Cellular Biology and Medicine, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Richard Finnell
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China; Departments of Molecular and Cellular Biology and Medicine, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Ting Zhang
- Capital Institute of Pediatrics, Beijing, 100020, China
| | - Feng Zhang
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China; NHC Key Lab of Reproduction (Shanghai Institute of Planned Parenthood Research), Institute of Reproduction and Development, Fudan University, Shanghai, 200032, China
| | - Li Jin
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China; NHC Key Lab of Reproduction (Shanghai Institute of Planned Parenthood Research), Institute of Reproduction and Development, Fudan University, Shanghai, 200032, China
| | - Huili Li
- Molecular, Cellular and Developmental Biology, University of Colorado Boulder, Boulder, CO 80309, USA.
| | - Wufan Tao
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China; Insititute of Developmental Biology and Molecular Medicine, Fudan University, Shanghai, 200433, China.
| | - Hongyan Wang
- Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, 200011, China; NHC Key Lab of Reproduction (Shanghai Institute of Planned Parenthood Research), Institute of Reproduction and Development, Fudan University, Shanghai, 200032, China; Children's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.
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24
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The Role of Wnt Signalling in Chronic Kidney Disease (CKD). Genes (Basel) 2020; 11:genes11050496. [PMID: 32365994 PMCID: PMC7290783 DOI: 10.3390/genes11050496] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/25/2020] [Accepted: 04/29/2020] [Indexed: 12/16/2022] Open
Abstract
Chronic kidney disease (CKD) encompasses a group of diverse diseases that are associated with accumulating kidney damage and a decline in glomerular filtration rate (GFR). These conditions can be of an acquired or genetic nature and, in many cases, interactions between genetics and the environment also play a role in disease manifestation and severity. In this review, we focus on genetically inherited chronic kidney diseases and dissect the links between canonical and non-canonical Wnt signalling, and this umbrella of conditions that result in kidney damage. Most of the current evidence on the role of Wnt signalling in CKD is gathered from studies in polycystic kidney disease (PKD) and nephronophthisis (NPHP) and reveals the involvement of β-catenin. Nevertheless, recent findings have also linked planar cell polarity (PCP) signalling to CKD, with further studies being required to fully understand the links and molecular mechanisms.
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25
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Yang XY, Stanley RE, Ross AP, Robitaille AM, Gray JA, Cheyette BNR. Sestd1 Encodes a Developmentally Dynamic Synapse Protein That Complexes With BCR Rac1-GAP to Regulate Forebrain Dendrite, Spine and Synapse Formation. Cereb Cortex 2020; 29:505-516. [PMID: 29293918 DOI: 10.1093/cercor/bhx333] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 11/29/2017] [Indexed: 11/14/2022] Open
Abstract
SEC14 and Spectrin domain-1 (Sestd1) is a synapse protein that exhibits a striking shift from the presynaptic to postsynaptic space as neurons mature postnatally in the mouse hippocampus. Hippocampal pyramidal neurons from mice with global genetic deletion of Sestd1 have reduced dendrite arbors, spines, and excitatory synapses. Electrophysiologically this correlates with cell-autonomous reductions in both AMPA- and NMDA-excitatory postsynaptic currents in individual hippocampal neurons from which Sestd1 has been deleted in vivo. These neurodevelopmental and functional deficits are associated with increased activation of the Rho family GTPases Rac1 and RhoA. Co-immunoprecipitation and mass spectrometry reveal that the Breakpoint Cluster Region protein, a Rho GTPase activating protein (GAP), forms complexes with Sestd1 in brain tissue. This complements earlier findings that Sestd1 can also partner with other Rho family GAPs and guanine nucleotide exchange factors. Our findings demonstrate that Sestd1 is a developmentally dynamic synaptic regulator of Rho GTPases that contributes to dendrite and excitatory synapse formation within differentiating pyramidal neurons of the forebrain.
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Affiliation(s)
- Xiao Yong Yang
- Department of Psychiatry, University of California, San Francisco (UCSF), San Francisco, CA, USA
| | - Robert E Stanley
- Department of Psychiatry, University of California, San Francisco (UCSF), San Francisco, CA, USA
| | - Adam P Ross
- Department of Psychiatry, University of California, San Francisco (UCSF), San Francisco, CA, USA
| | - Aaron M Robitaille
- Department of Pharmacology, Institute for Stem Cell and Regenerative Medicine, University of Washington (UW), Seattle, WA, USA
| | - John A Gray
- Department of Neurology, Center for Neuroscience, University of California, Davis, CA, USA
| | - Benjamin N R Cheyette
- Department of Psychiatry, University of California, San Francisco (UCSF), San Francisco, CA, USA.,Graduate Programs in Neuroscience, Stem Cell & Developmental Biology, Biomedical Sciences, Tetrad, Pharmaceutical Sciences & Pharmacogenomics, UCSF, San Francisco, CA, USA
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26
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Cherian JR, Adams KV, Petrella LN. Wnt Signaling Drives Ectopic Gene Expression and Larval Arrest in the Absence of the Caenorhabditis elegans DREAM Repressor Complex. G3 (BETHESDA, MD.) 2020; 10:863-874. [PMID: 31843805 PMCID: PMC7003081 DOI: 10.1534/g3.119.400850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 12/08/2019] [Indexed: 11/18/2022]
Abstract
Establishment and maintenance of proper gene expression is a requirement for normal growth and development. The DREAM complex in Caenorhabditis elegans functions as a transcriptional repressor of germline genes in somatic cells. At 26°, DREAM complex mutants show increased misexpression of germline genes in somatic cells and High Temperature Arrest (HTA) of worms at the first larval stage. To identify transcription factors required for the ectopic expression of germline genes in DREAM complex mutants, we conducted an RNA interference screen against 123 transcription factors capable of binding DREAM target promoter loci for suppression of the HTA phenotype in lin-54 mutants. We found that knock-down of 15 embryonically expressed transcription factors suppress the HTA phenotype in lin-54 mutants. Five of the transcription factors found in the initial screen have associations with Wnt signaling pathways. In a subsequent RNAi suppression screen of Wnt signaling factors we found that knock-down of the non-canonical Wnt/PCP pathway factors vang-1, prkl-1 and fmi-1 in a lin-54 mutant background resulted in strong suppression of the HTA phenotype. Animals mutant for both lin-54 and vang-1 showed almost complete suppression of the HTA phenotype, pgl-1 misexpression, and fertility defects associated with lin-54 single mutants at 26°. We propose a model whereby a set of embryonically expressed transcription factors, and the Wnt/PCP pathway, act opportunistically to activate DREAM complex target genes in somatic cells of DREAM complex mutants at 26°.
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Affiliation(s)
- Jerrin R Cherian
- Department of Biological Sciences, Marquette University, Milwaukee, WI 53233
| | - Katherine V Adams
- Department of Biological Sciences, Marquette University, Milwaukee, WI 53233
| | - Lisa N Petrella
- Department of Biological Sciences, Marquette University, Milwaukee, WI 53233
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27
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Zhao C, Gao J, Li S, Liu Q, Hou X, Xing X, Wang D, Sun M, Wang S, Luo Y. Cyclin G2 regulates canonical Wnt signalling via interaction with Dapper1 to attenuate tubulointerstitial fibrosis in diabetic nephropathy. J Cell Mol Med 2020; 24:2749-2760. [PMID: 31978940 PMCID: PMC7077553 DOI: 10.1111/jcmm.14946] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 12/04/2019] [Accepted: 12/09/2019] [Indexed: 02/06/2023] Open
Abstract
Cyclin G2 (CCNG2) is an atypical cyclin that inhibits cell cycle progression and is often dysregulated in human cancers. Cyclin G2 in the occurrence and development of diabetic nephropathy (DN), one of the most severe diabetic complications, has not been fully identified. In this study, we investigated the function and regulatory mechanism of cyclin G2 in DN. In vivo studies revealed that a deficiency of cyclin G2 significantly increased albuminuria and promoted tubulointerstitial fibrosis in established DN. Cyclin G2 regulated the expression of fibrosis‐related proteins via the canonical Wnt signalling pathway in renal tubular epithelial cells. Moreover, the binding of cyclin G2 to Dapper1 (Dpr1/DACT1), a protein involved in Wnt signalling, decreased the phosphorylation of Dpr1 at Ser762 by casein kinase 1 (CK1) and suppressed the Wnt signalling pathway. These findings reveal that cyclin G2 can protect against renal injury and fibrosis associated with DN and, thus, is a new target for the prevention and treatment of diabetic complications.
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Affiliation(s)
- Chenyang Zhao
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Jinlan Gao
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Sen Li
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Qi Liu
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Xiaoyu Hou
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Xuesha Xing
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Danning Wang
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Manni Sun
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Shusen Wang
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
| | - Yang Luo
- The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, School of Life Sciences, China Medical University, Shenyang, China
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28
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Kim DH, Kim EJ, Kim DH, Park SW. Dact2 is involved in the regulation of epithelial-mesenchymal transition. Biochem Biophys Res Commun 2020; 524:190-197. [PMID: 31983425 DOI: 10.1016/j.bbrc.2019.12.090] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 12/24/2019] [Indexed: 12/28/2022]
Abstract
Dishevelled-associated antagonist of beta-catenin 2 (Dact2) is involved in the regulation of intracellular signaling pathways during development. It negatively regulates the Nodal signaling pathway, possibly by promoting lysosomal degradation of Nodal receptors such as TGFBR1, and plays an inhibitory role during the re-epithelialization of skin wounds by attenuating transforming growth factor-β signaling. Dact2 is known to act as a functional tumor suppressor in colon cancer; reduced Dact2 can promote liver cancer progression and suppress gastric cancer proliferation, invasion, and metastasis by inhibiting Wnt signaling. Zebrafish is used as a model of cancer biology because it shows similar tumorigenesis and morphogenesis as in humans and gene manipulation in this organism is possible. This study was performed to explore phenotypic changes in Dact2 knockout zebrafish and investigate the function of Dact2. A 10-base pair deletion Dact2 knockout zebrafish was prepared using the CRISPR-Cas9 genome editing system. Dact2 knockout enhanced the expression of the MMP2 and MMP9 genes, which are related to tumor invasion and migration, and the Snail, VEGF, and ZEB genes, which are related to epithelial-mesenchymal transition (EMT). The absence of Dact2 also resulted in hyperplasia of the gastrointestinal epithelium, fibrosis in the pancreas and liver, increased proliferation of the pancreatic and hepatic bile ducts, and invasive proliferation into the pancreas. A wound healing assay confirmed that the absence of Dact2 enhanced EMT, thus accelerating wound healing. This study suggests that a loss of function of Dact2 impacts EMT-related gene regulation and tumor generation in a zebrafish knockout model, which is a useful model for exploring the mechanisms of these processes.
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Affiliation(s)
- Dong Hee Kim
- Postgraduate School of Nano Science and Technology, Yonsei University, 50 Yonsei-ro Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Eun Ji Kim
- Postgraduate School of Nano Science and Technology, Yonsei University, 50 Yonsei-ro Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Do Hee Kim
- Postgraduate School of Nano Science and Technology, Yonsei University, 50 Yonsei-ro Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Seung Woo Park
- Department of Internal Medicine, Institute of Gastroenterology, Graduate Program of Nanoscience and Technology, Yonsei University College of Medicine, 50 Yonsei-ro Seodaemun-gu, Seoul, 03722, Republic of Korea.
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29
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DACT2 modulated by TFAP2A-mediated allelic transcription promotes EGFR-TKIs efficiency in advanced lung adenocarcinoma. Biochem Pharmacol 2019; 172:113772. [PMID: 31866302 DOI: 10.1016/j.bcp.2019.113772] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 12/17/2019] [Indexed: 01/30/2023]
Abstract
Patients with epidermal growth factor receptor (EGFR)-mutant advanced non-small-cell lung cancer (NSCLC) benefits from EGFR-tyrosine kinase inhibitor (TKI) treatment. However, drug resistance to EGFR-TKIs remains a great challenge. Single nucleotide polymorphisms (SNPs) may significantly influence prognosis of EGFR-TKI therapy. Herein, we hypothesized that the functional SNP in DACT2, coding a pivotal inhibitor of the Wnt/β-catenin signaling, may affect gene expression, which in turn, impact prognosis of NSCLC treated with EGFR-TKIs. Genotypes of the DACT2 promoter rs9364433 SNP were determined in two independent cohorts consisted of 319 EGFR-TKI treated stage IIIB/IV NSCLC patients. The allele-specific regulation on DACT2 expression by rs9364433 and impacts of DACT2 on gefitinib sensitivity was evaluated in vitro and in vivo. Cox regression analyses demonstrated that rs9364433 was significantly associated with patient survival in both cohorts (all P < 0.05). Reporter gene assays and Electrophoretic Mobility Shift Assays demonstrated that rs9364433 has an allele-specific effect on gene expression modulated by transcription factor TFAP2A. The G allele associated with diminished TFAP2A binding leads to significantly decreased DACT2 expression in NSCLC cell lines and tissues. Consistently, DACT2 could evidently increase the anti-proliferation effect of gefitinib on NSCLC cells. Our findings elucidated potential clinical implications of DACT2, which may result in better understanding and outcome assessment of EGFR-TKI treatments.
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30
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Hou J, Yue Y, Hu B, Xu G, Su R, Lv L, Huang J, Yao J, Guan Y, Wang K, Wu Z. DACT1 Involvement in the Cytoskeletal Arrangement of Cardiomyocytes in Atrial Fibrillation by Regulating Cx43. Braz J Cardiovasc Surg 2019; 34:711-722. [PMID: 31545578 PMCID: PMC6894021 DOI: 10.21470/1678-9741-2019-0033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE To determine the role of the dishevelled binding antagonist of beta catenin 1 (DACT1) in the cytoskeletal arrangement of cardiomyocytes in atrial fibrillation (AF). METHODS The DACT1 expression and its associations with the degree of fibrosis and β-catenin in valvular disease patients were analyzed by immunohistochemistry and Masson's staining. DACT1 was overexpressed in the atrial myocyte cell line (HL-1) and the cardiac cell line (H9C2) by adenoviral vectors. Alterations in the fibrous actin (F-actin) content and organization and the expression of β-catenin were detected by flow cytometry, immunofluorescence, and Western blotting. Additionally, the association of DACT1 with gap junctions connexin 43 (Cx43) was detected by immunohistochemistry, immunofluorescence, and Western blotting. RESULTS Decreased cytoplasmic DACT1 expression in the myocardium was associated with AF (P=0.037) and a high degree of fibrosis (weak vs. strong, P=0.028; weak vs. very strong, P=0.029). A positive association was observed between DACT1 and β-catenin expression in clinical samples (P=0.028, Spearman's rho=0.408). Furthermore, overexpression of DACT1 in HL-1 and H9C2 cells induced an increase in β-catenin and subsequent partial colocalization of DACT1 and β-catenin. In addition, F-actin content and organization were enhanced. Interestingly, DACT1 was positively correlated with the Cx43 expression in clinical samples (P=0.048, Spearman's rho=0.370) and changed the Cx43 distribution in cardiac cell lines. CONCLUSION DACT1 proved to be a novel AF-related gene by regulating Cx43 via cytoskeletal organization induced by β-catenin accumulation in cardiomyocytes. DACT1 could thus serve as a potential therapeutic marker for AF.
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Affiliation(s)
- Jian Hou
- The First Affiliated Hospital of Sun Yat-Sen University Department of Cardiac Surgery Guangzhou GD People's Republic of China Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, GD, People's Republic of China.,Sun Yat-Sen University NHC Key Laboratory of Assisted Circulation Guangzhou GD People's Republic of China NHC Key Laboratory of Assisted Circulation, Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
| | - Yuan Yue
- The First Affiliated Hospital of Sun Yat-Sen University Department of Cardiac Surgery Guangzhou GD People's Republic of China Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, GD, People's Republic of China.,Sun Yat-Sen University NHC Key Laboratory of Assisted Circulation Guangzhou GD People's Republic of China NHC Key Laboratory of Assisted Circulation, Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
| | - Bo Hu
- Jiaxing University Jiaxing Hospital of Traditional Chinese Medicine Department of Pathology and Molecular Medicine Center Jiaxing ZJ People's Republic of China Department of Pathology and Molecular Medicine Center, Jiaxing Hospital of Traditional Chinese Medicine, Jiaxing University, Jiaxing, ZJ, People's Republic of China
| | - Guangtao Xu
- Jiaxing University Jiaxing Hospital of Traditional Chinese Medicine Department of Pathology and Molecular Medicine Center Jiaxing ZJ People's Republic of China Department of Pathology and Molecular Medicine Center, Jiaxing Hospital of Traditional Chinese Medicine, Jiaxing University, Jiaxing, ZJ, People's Republic of China
| | - Ruibing Su
- Shantou University Medical College Department of Forensic Pathology Shantou GD People's Republic of China Department of Forensic Pathology, Shantou University Medical College, Shantou, GD, People's Republic of China
| | - Linhua Lv
- The First Affiliated Hospital of Sun Yat-Sen University Department of Cardiac Surgery Guangzhou GD People's Republic of China Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
| | - Jiaxing Huang
- The First Affiliated Hospital of Sun Yat-Sen University Department of Cardiac Surgery Guangzhou GD People's Republic of China Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
| | - Jianping Yao
- The First Affiliated Hospital of Sun Yat-Sen University Department of Cardiac Surgery Guangzhou GD People's Republic of China Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
| | - Yuanjun Guan
- Sun Yat-Sen University Zhongshan School of Medicine Core Lab Plat for Medical Science Guangzhou GD People's Republic of China Core Lab Plat for Medical Science, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
| | - Keke Wang
- The First Affiliated Hospital of Sun Yat-Sen University Department of Cardiac Surgery Guangzhou GD People's Republic of China Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, GD, People's Republic of China.,Sun Yat-Sen University NHC Key Laboratory of Assisted Circulation Guangzhou GD People's Republic of China NHC Key Laboratory of Assisted Circulation, Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
| | - Zhongkai Wu
- The First Affiliated Hospital of Sun Yat-Sen University Department of Cardiac Surgery Guangzhou GD People's Republic of China Department of Cardiac Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, GD, People's Republic of China.,Sun Yat-Sen University NHC Key Laboratory of Assisted Circulation Guangzhou GD People's Republic of China NHC Key Laboratory of Assisted Circulation, Sun Yat-Sen University, Guangzhou, GD, People's Republic of China
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Guerra JM, Hanes MA, Rasa C, Loganathan N, Innis-Whitehouse W, Gutierrez E, Nair S, Banu J. Modulation of bone turnover by Cissus quadrangularis after ovariectomy in rats. J Bone Miner Metab 2019; 37:780-795. [PMID: 30756174 DOI: 10.1007/s00774-018-0983-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 12/03/2018] [Indexed: 12/25/2022]
Abstract
In women, age-related bone loss is associated with increased risk of bone fracture. Existing therapies are associated with severe side effects; thus, there is a need to find alternative medicines with less or optimal side effects. Cissus quadrangularis (CQ), an Ayurvedic medicine used to enhance fracture healing, was tested for its bone protective properties and studied to discern the mechanism by which it is beneficial to bone. Female Sprague Dawley rats were either sham operated or ovariectomized and were fed CQ for 3 months. Several biochemical markers, cytokines and hormones were assayed. Femur, tibia and lumbar vertebrae were subjected to pQCT and µCT densitometry. MC3T3 cells were cultured, treated with CQ and used to analyze miRNA content and subjected to qPCR for gene expression analysis related to bone metabolism. CQO rats showed protected bone mass and microarchitecture of trabecular bone in the distal femoral metaphysis and the proximal tibial metaphysis. The lumbar vertebrae, however, showed no significant changes. Serum protein expression levels of P1NP increased and Trap5b and CTX levels decreased with in vivo CQ treatment. Some influence on the anti- and pro-inflammatory markers was also observed. Significantly high level of estradiol in the CQO rats was observed. In vitro expression of a few genes related to bone metabolism showed that osteocalcin increased significantly. The other genes-collagen I expression, SPP1, BMP2, DCAT1-decreased significantly. Certain miRNA that regulate bone turnover using the BMP pathway and Wnt signaling pathways were upregulated by CQ. qPCR after acute treatment with CQ showed significantly increased levels of osteocalcin and decreased levels of Wnt/β catenin antagonist DCAT1. Overall, CQ protected the microarchitecture of the long bones from ovariectomy-induced bone loss. This may be because of decreased inflammation and modulation through the BMP and Wnt signaling pathways. We conclude that CQ is a potential therapeutic agent to treat postmenopausal osteoporosis with no side effects.
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Affiliation(s)
- Juan M Guerra
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, 1201, W University Dr., Edinburg, TX, 78539, USA
- Department of Biology, University of Texas Rio Grande Valley, 1201, W University Dr., Edinburg, TX, 78539, USA
| | - Martha A Hanes
- Department of Lab Animal Resources, University of Texas Health at San Antonio, 7703 Floyd Curl Dr, San Antonio, TX 78229, USA
| | - Cordelia Rasa
- Department of Lab Animal Resources, University of Texas Rio Grande Valley, 1201, W University Dr, Edinburg, TX 78539, USA
| | | | - Wendy Innis-Whitehouse
- School of Medicine, University of Texas Rio Grande Valley, 1201 W University Dr, Edinburg, TX, 78539, USA
| | - Ednia Gutierrez
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, 1201, W University Dr., Edinburg, TX, 78539, USA
| | - Saraswathy Nair
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, 1201, W University Dr., Edinburg, TX, 78539, USA
| | - Jameela Banu
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, 1201, W University Dr., Edinburg, TX, 78539, USA.
- Department of Biology, University of Texas Rio Grande Valley, 1201, W University Dr., Edinburg, TX, 78539, USA.
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Christensen NR, Čalyševa J, Fernandes EFA, Lüchow S, Clemmensen LS, Haugaard‐Kedström LM, Strømgaard K. PDZ Domains as Drug Targets. ADVANCED THERAPEUTICS 2019; 2:1800143. [PMID: 32313833 PMCID: PMC7161847 DOI: 10.1002/adtp.201800143] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 03/25/2019] [Indexed: 12/14/2022]
Abstract
Protein-protein interactions within protein networks shape the human interactome, which often is promoted by specialized protein interaction modules, such as the postsynaptic density-95 (PSD-95), discs-large, zona occludens 1 (ZO-1) (PDZ) domains. PDZ domains play a role in several cellular functions, from cell-cell communication and polarization, to regulation of protein transport and protein metabolism. PDZ domain proteins are also crucial in the formation and stability of protein complexes, establishing an important bridge between extracellular stimuli detected by transmembrane receptors and intracellular responses. PDZ domains have been suggested as promising drug targets in several diseases, ranging from neurological and oncological disorders to viral infections. In this review, the authors describe structural and genetic aspects of PDZ-containing proteins and discuss the current status of the development of small-molecule and peptide modulators of PDZ domains. An overview of potential new therapeutic interventions in PDZ-mediated protein networks is also provided.
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Affiliation(s)
- Nikolaj R. Christensen
- Center for BiopharmaceuticalsDepartment of Drug Design and PharmacologyUniversity of CopenhagenUniversitetsparken 22100CopenhagenDenmark
| | - Jelena Čalyševa
- European Molecular Biology Laboratory (EMBL)Structural and Computational Biology UnitMeyerhofstraße 169117HeidelbergGermany
- EMBL International PhD ProgrammeFaculty of BiosciencesEMBL–Heidelberg UniversityGermany
| | - Eduardo F. A. Fernandes
- Center for BiopharmaceuticalsDepartment of Drug Design and PharmacologyUniversity of CopenhagenUniversitetsparken 22100CopenhagenDenmark
| | - Susanne Lüchow
- Department of Chemistry – BMCUppsala UniversityBox 576SE75123UppsalaSweden
| | - Louise S. Clemmensen
- Center for BiopharmaceuticalsDepartment of Drug Design and PharmacologyUniversity of CopenhagenUniversitetsparken 22100CopenhagenDenmark
| | - Linda M. Haugaard‐Kedström
- Center for BiopharmaceuticalsDepartment of Drug Design and PharmacologyUniversity of CopenhagenUniversitetsparken 22100CopenhagenDenmark
| | - Kristian Strømgaard
- Center for BiopharmaceuticalsDepartment of Drug Design and PharmacologyUniversity of CopenhagenUniversitetsparken 22100CopenhagenDenmark
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Li S, Yin L, Huang K, Zhao Y, Zhang H, Cai C, Xu Y, Huang L, Wang X, Lan T, Li H, Ma P. Downregulation of DACT-2 by Promoter Methylation and its Clinicopathological Significance in Prostate Cancer. J Cancer 2019; 10:1755-1763. [PMID: 31205531 PMCID: PMC6548005 DOI: 10.7150/jca.28577] [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: 07/17/2018] [Accepted: 01/16/2019] [Indexed: 11/10/2022] Open
Abstract
Backgrounds: Dapper homolog (DACT) 2, a member of DACT gene family, is frequently down-regulated in various malignancies and linked to tumor progression. However, the regulatory mechanism of DACT-2 expression and its biological role in human prostate cancer (PCa) remains elusive. Here, we investigated the expression and an epigenetic change of DACT-2 in prostate cancer, and determined if these findings were correlated with clinicopathologic characteristics of PCa. Methods: The expression profile of DACT-2 of was detected by qRT-PCR, Western blotting, and immunohistochemistry in four prostate cell lines (RWPE-1, LNCaP, PC-3 and DU145), 56 cases of frozen prostate tissues (forty-seven primary prostate carcinomas, nine paired noncancerous and cancerous prostate tissues) and a tissue microarray sets including 100 paraffin-embedded prostate samples (3 normal tissues, 2 cases of adjacent tissues and 95 cases of cancer). Subsequently, the regulatory mechanism of DACT-2 down-regulation was investigated through methylation-specific PCR (MSP) and bisulfite sequencing (BSP). The role of DACT-2 in prostate cancer cell migration and invasion was respectively examined by wound healing and transwell assay. After 5-aza-2'-deoxycytidine treatment of prostate cancer cells, qRT-PCR was used to detect whether the expression of DACT-2 gene mRNA in the cells recovered. Results: Immunohistochemical results shown that the DACT-2 protein was strongly (3+) expressed in the cytoplasm of all 5 noncancerous tissues and 12.7% (12/95) prostate cancer (PCa) tissues. Whereas 68.4% (65/95) PCa samples and 18.9% (18/95) PCa tissues respectively displayed weakly (1+) expressed and moderately (2+) expressed. In addition, DACT-2 expression was negatively associated with Gleason score in tumor specimens (p=0.029). What's more, down-regulation and promoter methylation of DACT-2 were observed in 68.1% (32/47) frozen PCa tissues and all three prostate cancer cell lines. And, the expression of DACT-2 mRNA was restored by the treatment of demethylated drug 5-aza-2'-deoxycytidine in all prostate cancer lines. Prostate cancer cells invasion and migration were significantly suppressed by ectopic expression of DACT-2 in vitro. Conclusions: Our study provides evidence that DACT-2 may be a useful biomarker for distinguishing prostate tumor tissues from non-cancerous samples and a potential target for epigenetic silencing in primary prostate Cancer.
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Affiliation(s)
- Shibao Li
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China.,Department of Laboratory Medicine, Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Lingyu Yin
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China.,Department of Laboratory Medicine, Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Kai Huang
- Department of Urology, Northern Jiangsu People's hospital, Yangzhou 225001 China
| | - Yao Zhao
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China
| | - Haoliang Zhang
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China.,Department of Laboratory Medicine, Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Chenchen Cai
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China
| | - Yinhai Xu
- Department of Laboratory Medicine, Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Lingyan Huang
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China
| | - Xiaozhou Wang
- The center of functional experiment, Xuzhou Medical University, Xuzhou Jiangsu 221004, China
| | - Ting Lan
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China
| | - Hongchun Li
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China.,Department of Laboratory Medicine, Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Ping Ma
- School of Medical Technology, Xuzhou Medical University, Xuzhou 221004, China.,Department of Laboratory Medicine, Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
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34
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Yang JH, Lin LK, Zhang S. Effects of DACT1 methylation status on invasion and metastasis of nasopharyngeal carcinoma. Biol Res 2019; 52:31. [PMID: 31182157 PMCID: PMC6558828 DOI: 10.1186/s40659-019-0238-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Accepted: 05/20/2019] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND The purpose of the present study was to investigate the role of the methylation status of the DACT1 gene on the invasion and metastasis of nasopharyngeal carcinoma cells. METHODS The levels of methylation and expression of the DACT1 gene in nasopharyngeal carcinoma tissues and CNE2 cells were determined by methylation-specific PCR and RT-PCR, respectively. CNE2 cells were treated with 5-aza-2-deoxycytidine, and the variation in the methylation status of the DACT1 gene was detected, as well as the influence of methylation on invasiveness of nasopharyngeal carcinoma cells. RESULTS The DACT1 gene was hyper-methylated in 44 of 62 cases of nasopharyngeal carcinoma. The DACT1 gene was hyper-methylated in 32 of 38 cases of nasopharyngeal carcinoma with lymph node metastasis, and the DACT1 gene was hyper-methylated in 7 of 24 cases of nasopharyngeal carcinoma without lymph node metastasis. The DACT1 mRNA level was weakly expressed or not expressed in all nasopharyngeal carcinoma tissues with hyper-methylated DACT1 genes; however, the DACT1 mRNA level was highly expressed in nasopharyngeal carcinoma tissues with low expression of the methylated DACT1 gene. The DACT1 gene was hyper-methylated and not expressed in CNE2 cells that did not have 5-aza-2-deoxycytidine treatment. After 5-aza-2-deoxycytidine treatment, the DACT1 gene was demethylated and the expression of DACT1 was restored. Moreover, the invasion ability was inhibited in CNE2 cells treated with 5-aza-2-deoxycytidine. CONCLUSION The expression of DACT1 was related to the methylation status. High expression of DACT1 may inhibit the invasion and metastasis of nasopharyngeal carcinoma cells.
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Affiliation(s)
- Ju-Hong Yang
- Central Laboratory, University of Chinese Academy Sciences-Shenzhen Hospital, Song Bai Road 4253#, Shenzhen, 518106 Guang Dong People’s Republic of China
| | - Lie-Kun Lin
- Central Laboratory, University of Chinese Academy Sciences-Shenzhen Hospital, Song Bai Road 4253#, Shenzhen, 518106 Guang Dong People’s Republic of China
| | - Song Zhang
- Department of Otolaryngology, University of Chinese Academy Sciences-Shenzhen Hospital, Song Bai Road 4253#, Shenzhen, 518106 Guang Dong People’s Republic of China
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35
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Harnoš J, Cañizal MCA, Jurásek M, Kumar J, Holler C, Schambony A, Hanáková K, Bernatík O, Zdráhal Z, Gömöryová K, Gybeľ T, Radaszkiewicz TW, Kravec M, Trantírek L, Ryneš J, Dave Z, Fernández-Llamazares AI, Vácha R, Tripsianes K, Hoffmann C, Bryja V. Dishevelled-3 conformation dynamics analyzed by FRET-based biosensors reveals a key role of casein kinase 1. Nat Commun 2019; 10:1804. [PMID: 31000703 PMCID: PMC6472409 DOI: 10.1038/s41467-019-09651-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 03/20/2019] [Indexed: 01/17/2023] Open
Abstract
Dishevelled (DVL) is the key component of the Wnt signaling pathway. Currently, DVL conformational dynamics under native conditions is unknown. To overcome this limitation, we develop the Fluorescein Arsenical Hairpin Binder- (FlAsH-) based FRET in vivo approach to study DVL conformation in living cells. Using this single-cell FRET approach, we demonstrate that (i) Wnt ligands induce open DVL conformation, (ii) DVL variants that are predominantly open, show more even subcellular localization and more efficient membrane recruitment by Frizzled (FZD) and (iii) Casein kinase 1 ɛ (CK1ɛ) has a key regulatory function in DVL conformational dynamics. In silico modeling and in vitro biophysical methods explain how CK1ɛ-specific phosphorylation events control DVL conformations via modulation of the PDZ domain and its interaction with DVL C-terminus. In summary, our study describes an experimental tool for DVL conformational sampling in living cells and elucidates the essential regulatory role of CK1ɛ in DVL conformational dynamics.
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Affiliation(s)
- Jakub Harnoš
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic.,Department of Cell, Developmental & Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Maria Consuelo Alonso Cañizal
- Department of Pharmacology and Toxicology, University of Würzburg, Würzburg, 97078, Germany.,Rudolf Virchow Center for Experimental Biomedicine, University of Würzburg, Würzburg, 97078, Germany.,Institute for Molecular Cell Biology, CMB-Center for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Miroslav Jurásek
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Jitender Kumar
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic
| | - Cornelia Holler
- Max Planck Institute for the Science of Light, Erlangen, 91058, Germany.,Biology Department, Developmental Biology, Friedrich-Alexander University Erlangen-Nüremberg, Erlangen, 91058, Germany
| | - Alexandra Schambony
- Max Planck Institute for the Science of Light, Erlangen, 91058, Germany.,Biology Department, Developmental Biology, Friedrich-Alexander University Erlangen-Nüremberg, Erlangen, 91058, Germany
| | - Kateřina Hanáková
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Ondřej Bernatík
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Zbyněk Zdráhal
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Kristína Gömöryová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Tomáš Gybeľ
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | | | - Marek Kravec
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Lukáš Trantírek
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Brno, 612 65, Czech Republic
| | - Jan Ryneš
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic
| | - Zankruti Dave
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | | | - Robert Vácha
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Konstantinos Tripsianes
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic
| | - Carsten Hoffmann
- Department of Pharmacology and Toxicology, University of Würzburg, Würzburg, 97078, Germany.,Rudolf Virchow Center for Experimental Biomedicine, University of Würzburg, Würzburg, 97078, Germany.,Institute for Molecular Cell Biology, CMB-Center for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic. .,Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Brno, 612 65, Czech Republic.
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Abstract
TGF-β family ligands function in inducing and patterning many tissues of the early vertebrate embryonic body plan. Nodal signaling is essential for the specification of mesendodermal tissues and the concurrent cellular movements of gastrulation. Bone morphogenetic protein (BMP) signaling patterns tissues along the dorsal-ventral axis and simultaneously directs the cell movements of convergence and extension. After gastrulation, a second wave of Nodal signaling breaks the symmetry between the left and right sides of the embryo. During these processes, elaborate regulatory feedback between TGF-β ligands and their antagonists direct the proper specification and patterning of embryonic tissues. In this review, we summarize the current knowledge of the function and regulation of TGF-β family signaling in these processes. Although we cover principles that are involved in the development of all vertebrate embryos, we focus specifically on three popular model organisms: the mouse Mus musculus, the African clawed frog of the genus Xenopus, and the zebrafish Danio rerio, highlighting the similarities and differences between these species.
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Affiliation(s)
- Joseph Zinski
- University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104-6058
| | - Benjamin Tajer
- University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104-6058
| | - Mary C Mullins
- University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104-6058
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37
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Ma S, Hwang S, Lee S, Acree WE, No KT. Incorporation of Hydrogen Bond Angle Dependency into the Generalized Solvation Free Energy Density Model. J Chem Inf Model 2018; 58:761-772. [PMID: 29561152 DOI: 10.1021/acs.jcim.7b00410] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
To describe the physically realistic solvation free energy surface of a molecule in a solvent, a generalized version of the solvation free energy density (G-SFED) calculation method has been developed. In the G-SFED model, the contribution from the hydrogen bond (HB) between a solute and a solvent to the solvation free energy was calculated as the product of the acidity of the donor and the basicity of the acceptor of an HB pair. The acidity and basicity parameters of a solute were derived using the summation of acidities and basicities of the respective acidic and basic functional groups of the solute, and that of the solvent was experimentally determined. Although the contribution of HBs to the solvation free energy could be evenly distributed to grid points on the surface of a molecule, the G-SFED model was still inadequate to describe the angle dependency of the HB of a solute with a polarizable continuum solvent. To overcome this shortcoming of the G-SFED model, the contribution of HBs was formulated using the geometric parameters of the grid points described in the HB coordinate system of the solute. We propose an HB angle dependency incorporated into the G-SFED model, i.e., the G-SFED-HB model, where the angular-dependent acidity and basicity densities are defined and parametrized with experimental data. The G-SFED-HB model was then applied to calculate the solvation free energies of organic molecules in water, various alcohols and ethers, and the log P values of diverse organic molecules, including peptides and a protein. Both the G-SFED model and the G-SFED-HB model reproduced the experimental solvation free energies with similar accuracy, whereas the distributions of the SFED on the molecular surface calculated by the G-SFED and G-SFED-HB models were quite different, especially for molecules having HB donors or acceptors. Since the angle dependency of HBs was included in the G-SFED-HB model, the SFED distribution of the G-SFED-HB model is well described as compared to that of the G-SFED model.
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Affiliation(s)
- Songling Ma
- Department of Biotechnology , Yonsei University , Seoul 120-749 , Korea.,Bioinformatics and Molecular Design Research Center , Seoul 120-749 , Korea
| | - Sungbo Hwang
- Department of Biotechnology , Yonsei University , Seoul 120-749 , Korea
| | - Sehan Lee
- Department of Biotechnology , Yonsei University , Seoul 120-749 , Korea.,Gulf Ecology Division , U.S. Environmental Protection Agency , Gulf Breeze , Florida 32561 , United States
| | - William E Acree
- Department of Chemistry , University of North Texas , 1155 Union Circle Drive #305070 , Denton , Texas 76230-5017 , United States
| | - Kyoung Tai No
- Department of Biotechnology , Yonsei University , Seoul 120-749 , Korea.,Bioinformatics and Molecular Design Research Center , Seoul 120-749 , Korea
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Sharma M, Castro-Piedras I, Simmons GE, Pruitt K. Dishevelled: A masterful conductor of complex Wnt signals. Cell Signal 2018; 47:52-64. [PMID: 29559363 DOI: 10.1016/j.cellsig.2018.03.004] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 03/14/2018] [Accepted: 03/14/2018] [Indexed: 12/21/2022]
Abstract
The Dishevelled gene was first identified in Drosophila mutants with disoriented hair and bristle polarity [1-3]. The Dsh gene (Dsh/Dvl, in Drosophila and vertebrates respectively) gained popularity when it was discovered that it plays a key role in segment polarity during early embryonic development in Drosophila [4]. Subsequently, the vertebrate homolog of Dishevelled genes were identified in Xenopus (Xdsh), mice (Dvl1, Dvl2, Dvl3), and in humans (DVL1, DVL2, DVL3) [5-10]. Dishevelled functions as a principal component of Wnt signaling pathway and governs several cellular processes including cell proliferation, survival, migration, differentiation, polarity and stem cell renewal. This review will revisit seminal discoveries and also summarize recent advances in characterizing the role of Dishevelled in both normal and pathophysiological settings.
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Affiliation(s)
- Monica Sharma
- Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Isabel Castro-Piedras
- Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Glenn E Simmons
- Department of Biomedical Sciences, University of Minnesota, School of Medicine, Duluth, MN, USA
| | - Kevin Pruitt
- Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX, USA.
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Zhang Y, Fan J, Fan Y, Li L, He X, Xiang Q, Mu J, Zhou D, Sun X, Yang Y, Ren G, Tao Q, Xiang T. The new 6q27 tumor suppressor DACT2, frequently silenced by CpG methylation, sensitizes nasopharyngeal cancer cells to paclitaxel and 5-FU toxicity via β-catenin/Cdc25c signaling and G2/M arrest. Clin Epigenetics 2018; 10:26. [PMID: 30359298 PMCID: PMC6136178 DOI: 10.1186/s13148-018-0459-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 02/14/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Nasopharyngeal carcinoma (NPC) is prevalent in South China, including Hong Kong and Southeast Asia, constantly associated with Epstein-Barr virus (EBV) infection. Epigenetic etiology attributed to EBV plays a critical role in NPC pathogenesis. Through previous CpG methylome study, we identified Disheveled-associated binding antagonist of beta-catenin 2 (DACT2) as a methylated target in NPC. Although DACT2 was shown to regulate Wnt signaling in some carcinomas, its functions in NPC pathogenesis remain unclear. METHODS RT-PCR, qPCR, MSP, and BGS were applied to measure expression levels and promoter methylation of DACT2 in NPC. Transwell, flow cytometric analysis, colony formation, and BrdU-ELISA assay were used to assess different biological functions affected by DACT2. Immunofluorescence, Western blot, and dual-luciferase reporter assay were used to explore the mechanisms of DACT2 functions. Chemosensitivity assay was used to measure the impact of DACT2 on chemotherapy drugs. RESULTS We found that DACT2 is readily expressed in multiple normal adult tissues including upper respiratory tissues. However, it is frequently downregulated in NPC and correlated with promoter methylation. DNA methyltransferase inhibitor 5-aza-2'-deoxycytidine restored its expression in NPC cells. DACT2 methylation was further detected in 29/32 (91%) NPC tumors but not in any (0/8) normal nasopharyngeal tissue samples. Ectopic expression of DACT2 in NPC cells suppressed their proliferation, migration, and invasion through downregulating matrix metalloproteinases. DACT2 expression also induced G2/M arrest in NPC cells through directly suppressing β-catenin/Cdc25c signaling, which sensitized NPC cells to paclitaxel and 5-FU, but not cisplatin. CONCLUSION Our results demonstrate that DACT2 is frequently inactivated epigenetically by CpG methylation in NPC, while it inhibits NPC cell proliferation and metastasis via suppressing β-catenin/Cdc25c signaling. Our study suggests that DACT2 promoter methylation is a potential epigenetic biomarker for the detection and chemotherapy guidance of NPC.
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Affiliation(s)
- Yan Zhang
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jiangxia Fan
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yichao Fan
- Cancer Epigenetics Laboratory, Department of Clinical Oncology, Sir YK Pao Center for Cancer and Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
| | - Lili Li
- Cancer Epigenetics Laboratory, Department of Clinical Oncology, Sir YK Pao Center for Cancer and Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiaoqian He
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qin Xiang
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Junhao Mu
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Danfeng Zhou
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xuejuan Sun
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yucheng Yang
- Department of Otolaryngology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Guosheng Ren
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qian Tao
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China. .,Cancer Epigenetics Laboratory, Department of Clinical Oncology, Sir YK Pao Center for Cancer and Li Ka Shing Institute of Health Sciences, CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China.
| | - Tingxiu Xiang
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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40
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Dapper homolog 1 alpha suppresses metastasis ability of gastric cancer through inhibiting planar cell polarity pathway. Oncotarget 2018; 7:81423-81434. [PMID: 27833078 PMCID: PMC5348403 DOI: 10.18632/oncotarget.13234] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 10/17/2016] [Indexed: 11/25/2022] Open
Abstract
Dapper homolog 1 alpha (DACT1α) is a member of DACT family and an important regulator in the planar cell polarity pathway. We aim to clarify its functional role in metastasis ability of gastric cancer. DACT1α was silenced in all gastric cancer cell lines (8/8), but expressed in normal gastric tissue. Ectopic expression of DACT1α in silenced gastric cancer cell lines (AGS, BGC823 and MGC803) by stable transfection significantly suppressed cancer cell spreading (P < 0.05), migration (P < 0.01) and invasion (P < 0.01). These effects were associated with downregulation of planar cell polarity pathway related genes involved in cell proliferation (PDGFB, VEGFA), adhesion (ITGA1, ITGA2, ITGA3, ITGB3) and migration/invasion (PLAU, MMP9, MCAM, Dvl-2 and JNK). DACT1α promoter methylation was detected in 205 gastric cancers and 20 normal controls by direct bisulfite genomic sequencing. DACT1α methylation was detected in 29.3% (60/205) of gastric cancer patients, but not in normal tissues. DACT1α methylation was associated with poor survival of gastric cancer patients. In conclusion, DACT1α plays a pivotal role as a potential tumor suppressor in migration and invasion of gastric cancer. DACT1α methylation may serve as a biomarker for the prognosis of gastric cancer.
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Lee H, Cheong SM, Han W, Koo Y, Jo SB, Cho GS, Yang JS, Kim S, Han JK. March2 is required for head formation by mediating Dishevelled degradation in concert with Dapper1. Development 2018; 145:dev.143107. [DOI: 10.1242/dev.143107] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 02/21/2018] [Indexed: 11/20/2022]
Abstract
Dishevelled (Dvl/Dsh) is a key scaffold protein that propagates Wnt signaling essential for embryogenesis and homeostasis. However, whether antagonism of Wnt signaling necessary for vertebrate head formation can be achieved through regulation of Dsh protein stability is unclear. Here we show that membrane-associated RING-CH2 (March2), a RING-type E3 ubiquitin ligase, antagonizes Wnt signaling by regulating the turnover of Dsh protein via ubiquitin-mediated lysosomal degradation in prospective head region of Xenopus. We further found that March2 acquires regional and functional specificities for head formation from the Dsh-interacting protein Dapper1 (Dpr1). Dpr1 stabilizes interaction between March2 and Dsh for mediating ubiquitination and subsequent degradation of Dsh protein only in the dorso-animal region of Xenopus embryo. These results suggest that March2 restricts cytosolic pools of Dsh protein and leads to subsequent limitation of Wnt signaling for the precise vertebrate head development.
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Affiliation(s)
- Hyeyoon Lee
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
- Present address: Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany
| | - Seong-Moon Cheong
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
- Present address: Department of Neurology, The F.M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Wonhee Han
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
| | - Youngmu Koo
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
| | - Saet-Byeol Jo
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
| | - Gun-Sik Cho
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
- Present address: Laboratory of Stem Cells, NEXEL, Seoul, Republic of Korea
| | - Jae-Seong Yang
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
- Present address: EMBL/CRG Systems Biology Research Unit, Center for Genomic Regulation, Dr. Aiguader 88, Barcelona, Spain
| | - Sanguk Kim
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
| | - Jin-Kwan Han
- Department of Life Sciences, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
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42
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Guo L, Wang X, Yang Y, Xu H, Zhang Z, Yin L, Wang Y, Yang M, Zhao S, Bai S, Zhao L, Wang Z, Lian X, Liu Y, Zhang Q. Methylation of DACT2 contributes to the progression of breast cancer through activating WNT signaling pathway. Oncol Lett 2017; 15:3287-3294. [PMID: 29435071 DOI: 10.3892/ol.2017.7633] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 10/11/2016] [Indexed: 12/16/2022] Open
Abstract
The activation of the Wnt/β-catenin signaling pathway has been demonstrated to play important roles in breast carcinogenesis and to be associated with a poorer prognosis in breast cancer patients. However, genetic mutation is not the major reason for Wnt/β-catenin activation in breast cancer. Dishevelled-associated antagonist of β-catenin homolog 2 (DACT2) is a negative regulator of β-catenin and acts as a tumor suppressor in numerous cancer types; however, the expression change and potential role of DACT2 in breast cancer is unknown. The present study detected the expression and function of DACT2 in breast cancer progression. It was identified that the expression of DACT2 significantly decreased in breast cancer tissues compared with paired adjacent normal breast tissues. Additional investigation demonstrated that the hypermethylation of DACT2 gene promoter contributes to the loss of the gene in breast cancer. It was also demonstrated that DACT2 is a tumor suppressor in breast cancer and inhibits the proliferation and invasion of breast cancer cells by repressing the expression of β-catenin target genes associated with tumor growth and metastasis. The present study indicates that the loss of DACT2 may contribute to breast cancer progression and provides a promising therapeutic target for the treatment of breast cancer.
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Affiliation(s)
- Li Guo
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Xiaohong Wang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Yuguang Yang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Hongchun Xu
- Department of Thoracic Surgery, Mudanjiang Tumor Hospital, Mudanjiang, Heilongjiang 157000, P.R. China
| | - Zhihong Zhang
- Obstetrics and Gynecology Department, General Hospital of Daqing Oil Field, Daqing, Heilongjiang 163000, P.R. China
| | - Lili Yin
- Obstetrics and Gynecology Department, Heilongjiang Electric Power Hospital, Harbin, Heilongjiang 150090, P.R. China
| | - Yan Wang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Maopeng Yang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Shuping Bai
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Ling Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Zhipeng Wang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Xin Lian
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Ying Liu
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Qingyuan Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
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43
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Leucine repeat adaptor protein 1 interacts with Dishevelled to regulate gastrulation cell movements in zebrafish. Nat Commun 2017; 8:1353. [PMID: 29116181 PMCID: PMC5677176 DOI: 10.1038/s41467-017-01552-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 09/27/2017] [Indexed: 01/08/2023] Open
Abstract
Gastrulation is a fundamental morphogenetic event that requires polarised cell behaviours for coordinated asymmetric cell movements. Wnt/PCP signalling plays a critical role in this process. Dishevelled is an important conserved scaffold protein that relays Wnt/PCP signals from membrane receptors to the modulation of cytoskeleton organisation. However, it remains unclear how its activity is regulated for the activation of downstream effectors. Here, we report that Lurap1 is a Dishevelled-interacting protein that regulates Wnt/PCP signalling in convergence and extension movements during vertebrate gastrulation. Its loss-of-function leads to enhanced Dishevelled membrane localisation and increased JNK activity. In maternal-zygotic lurap1 mutant zebrafish embryos, cell polarity and directional movement are disrupted. Time-lapse analyses indicate that Lurap1, Dishevelled, and JNK functionally interact to orchestrate polarised cellular protrusive activity, and Lurap1 is required for coordinated centriole/MTOC positioning in movement cells. These findings demonstrate that Lurap1 functions to regulate cellular polarisation and motile behaviours during gastrulation movements. Gastrulation is an early morphogenic event driven by coordinated asymmetric/polarised cell movements. Here, the authors show in zebrafish that Lurap1, a protein that interacts with Dishevelled, regulates Wnt and planar cell polarity, coordinating centriole positioning during convergence and extension.
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44
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Wang JL, Zhou X, Zhang LF, Li F, Wang BY, Wang WD, Fu W. TGF-β signaling regulates DACT1 expression in intestinal epithelial cells. Biomed Pharmacother 2017; 97:864-869. [PMID: 29136762 DOI: 10.1016/j.biopha.2017.11.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 10/28/2017] [Accepted: 11/03/2017] [Indexed: 10/18/2022] Open
Abstract
DACT1, was first identified as a Dishevelled-associated antagonist of Wnt signaling pathway. It has been reported that DACT1 functions in embryonic development and tumorigenesis. However, the regulation of DACT1 still remains unclear. We found Wnt signaling has no effect on DACT1, but TGF-β increases expression of DACT1 in intestinal epithelial cells. In addition, the minimal promoter is located in the region of -500bp to +1bp and the region between -3000bp to +1bp enhanced promoter activity. Site-directed mutation analysis was performed and indicated that potential regulatory elements was near -335bp. Our study provided the basic information for the exploration of DACT1 regulation and expression. Moreover, TGF-β inhibits Wnt signaling to enhance the function of DACT1 inhibiting Wnt signaling.
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Affiliation(s)
- Ji-Lian Wang
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Xin Zhou
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Ling-Fu Zhang
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Fei Li
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Bing-Yan Wang
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Wen-Dong Wang
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Wei Fu
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China.
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45
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Zhu K, Jiang B, Yang Y, Hu R, Liu Z. DACT1 overexpression inhibits proliferation, enhances apoptosis, and increases daunorubicin chemosensitivity in KG-1α cells. Tumour Biol 2017; 39:1010428317711089. [PMID: 29037126 DOI: 10.1177/1010428317711089] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
DACT1 has been shown to participate in the development of many types of tumors; however, its role and precise molecular mechanisms in leukemia are unclear. In this study, we investigated the effect of DACT1 on KG-1α leukemia cells to further understand the mechanisms of DACT1-mediated tumor suppression. We transfected a DACT1 expression plasmid to upregulate DACT1 in KG-1α cells and analyzed the resulting phenotypic changes. The results demonstrated that DACT1 overexpression inhibited KG-1α proliferation, increased apoptosis, and arrested cells in the G0/G1 phase. Mechanistically, DACT1 overexpression inhibited Wnt/β-catenin signaling by reducing nuclear β-catenin levels in KG-1α cells. Furthermore, the viability of KG-1α cells transfected with DACT1 was significantly reduced when treated with daunorubicin. We also found that DACT1 reduced P-glycoprotein expression in KG-1α cells. These findings revealed an inhibitory role for DACT1 in leukemogenesis and provided evidence that DACT1 is an attractive target for the development of novel anti-leukemia therapies.
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Affiliation(s)
- Ke Zhu
- 1 Department of Hematology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Benchun Jiang
- 2 Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ying Yang
- 1 Department of Hematology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Rong Hu
- 1 Department of Hematology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhuogang Liu
- 1 Department of Hematology, Shengjing Hospital of China Medical University, Shenyang, China
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46
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Kim HY, Choi S, Yoon JH, Lim HJ, Lee H, Choi J, Ro EJ, Heo JN, Lee W, No KT, Choi KY. Small molecule inhibitors of the Dishevelled-CXXC5 interaction are new drug candidates for bone anabolic osteoporosis therapy. EMBO Mol Med 2017; 8:375-87. [PMID: 26941261 PMCID: PMC4818757 DOI: 10.15252/emmm.201505714] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Bone anabolic agents promoting bone formation and rebuilding damaged bones would ideally overcome the limitations of anti‐resorptive therapy, the current standard prescription for osteoporosis. However, the currently prescribed parathyroid hormone (PTH)‐based anabolic drugs present limitations and adverse effects including osteosarcoma during long‐term use. Also, the antibody‐based anabolic drugs that are currently being developed present the potential limits in clinical application typical of macromolecule drugs. We previously identified that CXXC5 is a negative feedback regulator of the Wnt/β‐catenin pathway via its interaction with Dishevelled (Dvl) and suggested the Dvl–CXXC5 interaction as a potential target for anabolic therapy of osteoporosis. Here, we screened small‐molecule inhibitors of the Dvl–CXXC5 interaction via a newly established in vitro assay system. The screened compounds were found to activate the Wnt/β‐catenin pathway and enhance osteoblast differentiation in primary osteoblasts. The bone anabolic effects of the compounds were shown using ex vivo‐cultured calvaria. Nuclear magnetic resonance (NMR) titration analysis confirmed interaction between Dvl PDZ domain and KY‐02061, a representative of the screened compounds. Oral administration of KY‐02327, one of 55 newly synthesized KY‐02061 analogs, successfully rescued bone loss in the ovariectomized (OVX) mouse model. In conclusion, small‐molecule inhibitors of the Dvl–CXXC5 interaction that block negative feedback regulation of Wnt/β‐catenin signaling are potential candidates for the development of bone anabolic anti‐osteoporosis drugs.
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Affiliation(s)
- Hyun-Yi Kim
- Translational Research Center for Protein Function Control, Yonsei University, Seoul, Korea Department of Biotechnology, College of Life Science and Biotechnology Yonsei University, Seoul, Korea
| | - Sehee Choi
- Translational Research Center for Protein Function Control, Yonsei University, Seoul, Korea Department of Biotechnology, College of Life Science and Biotechnology Yonsei University, Seoul, Korea
| | - Ji-Hye Yoon
- Department of Biochemistry, College of Life Science and Biotechnology Yonsei University, Seoul, Korea
| | - Hwan Jung Lim
- Korea Research Institute of Chemical Technology, Daejeon, Korea
| | - Hyuk Lee
- Korea Research Institute of Chemical Technology, Daejeon, Korea
| | - Jiwon Choi
- Bioinformatics & Molecular Design Research Center, Yonsei University, Seoul, Korea
| | - Eun Ji Ro
- Translational Research Center for Protein Function Control, Yonsei University, Seoul, Korea Department of Biotechnology, College of Life Science and Biotechnology Yonsei University, Seoul, Korea
| | - Jung-Nyoung Heo
- Korea Research Institute of Chemical Technology, Daejeon, Korea
| | - Weontae Lee
- Department of Biochemistry, College of Life Science and Biotechnology Yonsei University, Seoul, Korea
| | - Kyoung Tai No
- Department of Biotechnology, College of Life Science and Biotechnology Yonsei University, Seoul, Korea Bioinformatics & Molecular Design Research Center, Yonsei University, Seoul, Korea
| | - Kang-Yell Choi
- Translational Research Center for Protein Function Control, Yonsei University, Seoul, Korea Department of Biotechnology, College of Life Science and Biotechnology Yonsei University, Seoul, Korea
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47
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DACT1 Overexpression in type I ovarian cancer inhibits malignant expansion and cis-platinum resistance by modulating canonical Wnt signalling and autophagy. Sci Rep 2017; 7:9285. [PMID: 28839145 PMCID: PMC5570946 DOI: 10.1038/s41598-017-08249-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 04/27/2017] [Indexed: 12/18/2022] Open
Abstract
Type I epithelial ovarian cancer (EOC) is primarily resistant to platinum-based chemotherapies and needs novel therapeutics. Given the aberrant Wnt activation in type I EOC and the involvement of Dapper1 Antagonist of Catenin-1 (DACT1) in Wnt signalling, the role of DACT1 in tumourigenesis of type I EOC was evaluated. Firstly, all tested EOC cell lines and primary EOC tissues, especially type I EOC, were observed to have significantly lower DACT1 expression than normal controls. Next, 3AO cells, which arise from a patient with primary mucinous EOC and express low endogenous levels of DACT1, were transfected with a lentivirus carrying full-length DACT1 (3AO-DACT1), grew slower and formed smaller tumours in nude mice compared to 3AO-NC. Furthermore, 3AO-DACT1 had lower levels of key mediators of canonical Wnt signalling, Dvl2 and β-catenin, GSK-3β with phosphorylated Ser9, and the Wnt/β-catenin target genes, with significantly lower nuclear β-catenin levels. Additionally, 3AO-DACT which contained higher levels of lipidated LC3 (LC3-II) and Beclin1, but lower levels of p62/SQSTM1, were more sensitive to cis-platinum. And chloroquine partially rescued its cis-platinum resistance. We identified DACT1 as a negative regulator in type I EOC, protecting against malignant expansion by inhibiting canonical Wnt signalling and cis-platinum resistance by regulating autophagy.
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48
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Li J, Zhang M, He T, Li H, Cao T, Zheng L, Guo M. Methylation of DACT2 promotes breast cancer development by activating Wnt signaling. Sci Rep 2017; 7:3325. [PMID: 28607412 PMCID: PMC5468316 DOI: 10.1038/s41598-017-03647-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 05/02/2017] [Indexed: 12/15/2022] Open
Abstract
Breast cancer is the most common malignant tumor in women worldwide. To explore the role of DACT2 in breast cancer, 5 cell lines and 153 cases of primary cancer were studied. The expression of DACT2 was detected in BT474, MDA-MB-231 and BT549 cells, while no expression was found in MDA-MB-468 and HBL100 cells. Complete methylation of DACT2 was found in MDA-MB-468 and HBL100 cells, partial methylation was observed in BT474 and BT549 cells, and no methylation was detected in MDA-MB-231 cells. Restoration of DACT2 expression was induced by 5-Aza in MDA-MB-468 and HBL100 cells. DACT2 was methylated in 49.7% (76/153) of primary breast cancer samples. Methylation of DACT2 was significantly associated with tumor size (P < 0.05). Reduced DACT2 expression was significantly associated with promoter region methylation in primary breast cancer (P < 0.05). DACT2 suppressed breast cancer cell growth and induced G1/S phase arrest in breast cancer cells. DACT2 inhibited Wnt/β-catenin signaling in human breast cancer cells and suppressed breast cancer cell tumor growth in xenograft mice. In conclusion, our results demonstrate that DACT2 is frequently methylated in human breast cancer, methylation of DACT2 activates Wnt signaling, and DACT2 suppresses breast cancer cell growth both in vitro and in vivo.
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Affiliation(s)
- Jingyi Li
- Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, Beijing, 100853, China
| | - Meiying Zhang
- Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, Beijing, 100853, China.,Medical College of NanKai University, Tianjin, 300071, China
| | - Tao He
- Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, Beijing, 100853, China
| | - Hongxia Li
- Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, Beijing, 100853, China.,Colloge of Life Science and Bioengineering, Beijing University of Technology, 100124, Beijing, China
| | - Tingting Cao
- Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, Beijing, 100853, China.,Colloge of Life Science and Bioengineering, Beijing University of Technology, 100124, Beijing, China
| | - Lili Zheng
- Department of Endocrinology, the First Affiliated Hospital, Zhengzhou University, Zhengzhou, 450052, China
| | - Mingzhou Guo
- Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, Beijing, 100853, China.
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49
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Kuang JR, Zhang ZH, Leng WL, Lei XT, Liang ZW. Dapper1 attenuates hepatic gluconeogenesis and lipogenesis by activating PI3K/Akt signaling. Mol Cell Endocrinol 2017; 447:106-115. [PMID: 28237722 DOI: 10.1016/j.mce.2017.02.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 02/15/2017] [Accepted: 02/16/2017] [Indexed: 01/01/2023]
Abstract
Studies have shown that hepatic insulin resistance, a disorder of glucose and lipid metabolism, plays a vital role in type 2 diabetes (T2D). To clarify the function of Dapper1 in glucose and lipid metabolism in the liver, we investigated the relationships between Dapper1 and adenosine triphosphate (ATP)- and Ca2+-mediated activation of PI3K/Akt. We observed a reduction in hepatic Dapper1 in db/db (mice that are homozygous for a spontaneous diabetes mutation) and HFD-induced diabetic mice with T2D. Hepatic overexpression of Dapper1 improved hyperglycemia, insulin resistance, and fatty liver. It also increased Akt (pAkt) signaling and repressed both gluconeogenesis and lipogenesis. Conversely, Ad-shDapper1-induced knockdown of hepatic Dapper1 promoted gluconeogenesis and lipogenesis. Furthermore, Dapper1 activated PI3K p110α/Akt in an insulin-independent manner by inducing ATP production and secretion in vitro. Blockade of P2 ATP receptors, the downstream phospholipase C (PLC), or the inositol triphosphate receptor (IP3R all reduced the Dapper1-induced increase in cytosolic free calcium and Dapper1-mediated PI3K/Akt activation, as did removal of calcium in the medium. In conclusion, Dapper1 attenuates hepatic gluconeogenesis and lipogenesis in T2D.
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Affiliation(s)
- Jian-Ren Kuang
- Department of Endocrinology, The First Affiliated Hospital of Third Military Medical University, Chongqing 400038, China
| | - Zhi-Hui Zhang
- Department of Cardiovascular, The First Affiliated Hospital of Third Military Medical University, Chongqing 400038, China
| | - Wei-Ling Leng
- Department of Endocrinology, The First Affiliated Hospital of Third Military Medical University, Chongqing 400038, China
| | - Xiao-Tian Lei
- Department of Endocrinology, The First Affiliated Hospital of Third Military Medical University, Chongqing 400038, China
| | - Zi-Wen Liang
- Department of Endocrinology, The First Affiliated Hospital of Third Military Medical University, Chongqing 400038, China.
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50
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Jardim DP, Poço PCE, Campos AH. Dact1, a Wnt-Pathway Inhibitor, Mediates Human Mesangial Cell TGF-β1-Induced Apoptosis. J Cell Physiol 2017; 232:2104-2111. [PMID: 27714812 DOI: 10.1002/jcp.25636] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Accepted: 10/05/2016] [Indexed: 01/16/2023]
Abstract
Chronic kidney disease (CKD) is a worldwide public health problem that affects millions of men and women of all ages and racial groups. Loss of mesangial cells (MC) represents an early common feature in the pathogenesis of CKD. Transforming growth factor-β1 (TGF-β1) is a key inducer of kidney damage and triggers several pathological changes in renal cells, notably MC apoptosis. However, the mechanism of MC apoptosis induced by TGF-β1 remains elusive. Here, we demonstrate for the first time a novel regulatory pathway in which the disheveled-binding antagonist of β-catenin 1 (Dact1) gene is upregulated by TGF-β1, inducing MC apoptosis. We also show that the inhibitory effect of Dact1 and TGF-β1 on the transcriptional activation of the pro-survival Wnt pathway is the mechanism of death induction. In addition, Dact1 mRNA/protein levels are increased in kidney remnants from 5/6 nephrectomized rats and strongly correlate with TGF-β1 expression. Together, our results point to Dact1 as a novel element controlling MC survival that is causally related to CKD progression. J. Cell. Physiol. 232: 2104-2111, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Daniele Pereira Jardim
- Centro de Pesquisa Experimental, Instituto Israelita de Ensino e Pesquisa, Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil.,Disciplina de Nefrologia, Departamento de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Paula Cristina Eiras Poço
- Centro de Pesquisa Experimental, Instituto Israelita de Ensino e Pesquisa, Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil
| | - Alexandre Holthausen Campos
- Centro de Pesquisa Experimental, Instituto Israelita de Ensino e Pesquisa, Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil
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