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Huang S, Yang J, Xie T, Jiang Y, Hong Y, Liu X, He X, Buratto D, Zhang D, Zhou R, Liang T, Bai X. Inhibition of DEF-p65 Interactions as a Potential Avenue to Suppress Tumor Growth in Pancreatic Cancer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2401845. [PMID: 38757623 DOI: 10.1002/advs.202401845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/28/2024] [Indexed: 05/18/2024]
Abstract
The limited success of current targeted therapies for pancreatic cancer underscores an urgent demand for novel treatment modalities. The challenge in mitigating this malignancy can be attributed to the digestive organ expansion factor (DEF), a pivotal yet underexplored factor in pancreatic tumorigenesis. The study uses a blend of in vitro and in vivo approaches, complemented by the theoretical analyses, to propose DEF as a promising anti-tumor target. Analysis of clinical samples reveals that high expression of DEF is correlated with diminished survival in pancreatic cancer patients. Crucially, the depletion of DEF significantly impedes tumor growth. The study further discovers that DEF binds to p65, shielding it from degradation mediated by the ubiquitin-proteasome pathway in cancer cells. Based on these findings and computational approaches, the study formulates a DEF-mimicking peptide, peptide-031, designed to disrupt the DEF-p65 interaction. The effectiveness of peptide-031 in inhibiting tumor proliferation has been demonstrated both in vitro and in vivo. This study unveils the oncogenic role of DEF while highlighting its prognostic value and therapeutic potential in pancreatic cancer. In addition, peptide-031 is a promising therapeutic agent with potent anti-tumor effects.
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Affiliation(s)
- Sicong Huang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou, 310000, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou, 310000, China
| | - Jiaqi Yang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou, 310000, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou, 310000, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, Hangzhou, 310000, China
| | - Teng Xie
- Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, Hangzhou, 310000, China
- Shanghai Institute for Advanced Study, Zhejiang University, Shanghai, 200000, China
| | - Yangwei Jiang
- Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, Hangzhou, 310000, China
| | - Yifan Hong
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou, 310000, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou, 310000, China
| | - Xinyuan Liu
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou, 310000, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou, 310000, China
| | - Xuyan He
- Life Sciences Institute, Zhejiang University, Hangzhou, 310000, China
| | - Damiano Buratto
- Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, Hangzhou, 310000, China
- Shanghai Institute for Advanced Study, Zhejiang University, Shanghai, 200000, China
| | - Dong Zhang
- Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, Hangzhou, 310000, China
- Shanghai Institute for Advanced Study, Zhejiang University, Shanghai, 200000, China
| | - Ruhong Zhou
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Institute of Quantitative Biology, College of Life Sciences, Zhejiang University, Hangzhou, 310000, China
- Shanghai Institute for Advanced Study, Zhejiang University, Shanghai, 200000, China
- Department of Chemistry, Columbia University, New York, 10027, USA
- Cancer Center, Zhejiang University, Hangzhou, 310000, China
| | - Tingbo Liang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou, 310000, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou, 310000, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, Hangzhou, 310000, China
- Cancer Center, Zhejiang University, Hangzhou, 310000, China
| | - Xueli Bai
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou, 310000, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou, 310000, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, Hangzhou, 310000, China
- Cancer Center, Zhejiang University, Hangzhou, 310000, China
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Hill SY, Hostyk J. A whole exome sequencing study to identify rare variants in multiplex families with alcohol use disorder. Front Psychiatry 2023; 14:1216493. [PMID: 37915799 PMCID: PMC10616827 DOI: 10.3389/fpsyt.2023.1216493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 09/22/2023] [Indexed: 11/03/2023] Open
Abstract
Background Alcohol use disorder (AUD) runs in families and is accompanied by genetic variation. Some families exhibit an extreme susceptibility in which multiple cases are found and often with an early onset of the disorder. Large scale genome-wide association studies have identified several genes with impressive statistical probabilities. Most of these genes are common variants. Our goal was to perform exome sequencing in families characterized by multiple cases (multiplex families) to determine if rare variants might be segregating with disease status. Methods A case-control approach was used to leverage the power of a large control sample of unrelated individuals (N = 8,983) with exome sequencing [Institute for Genomic Medicine (IGM)], for comparison with probands with AUD (N = 53) from families selected for AUD multiplex status. The probands were sequenced at IGM using similar protocols to those used for the archival controls. Specifically, the presence of a same-sex pair of adult siblings with AUD was the minimal criteria for inclusion. Using a gene-based collapsing analysis strategy, a search for qualifying variants within the sequence data was undertaken to identify ultra-rare non-synonymous variants. Results We searched 18,666 protein coding genes to identify an excess of rare deleterious genetic variation using whole exome sequence data in the 53 AUD individuals from a total of 282 family members. To complete a case/control analysis of unrelated individuals, probands were compared to unrelated controls. Case enrichment for 16 genes with significance at 10-4 and one at 10-5 are plausible candidates for follow-up studies. Six genes were ultra rare [minor allele frequency (MAF) of 0.0005]: CDSN, CHRNA9, IFT43, TLR6, SELENBP1, and GMPPB. Eight genes with MAF of 0.001: ZNF514, OXGR1, DIEXF, TMX4, MTBP, PON2, CRHBP, and ANKRD46 were identified along with three protein-truncating variants associated with loss-of-function: AGTRAP, ANKRD46, and PPA1. Using an ancestry filtered control group (N = 2,814), nine genes were found; three were also significant in the comparison to the larger control group including CHRNA9 previously implicated in alcohol and nicotine dependence. Conclusion This study implicates ultra-rare loss-of-function genes in AUD cases. Among the genes identified include those previously reported for nicotine and alcohol dependence (CHRNA9 and CRHBP).
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Affiliation(s)
- Shirley Y. Hill
- Department of Psychiatry, Psychology and Human Genetics, University of Pittsburgh, Pittsburgh, PA, United States
| | - Joseph Hostyk
- Institute for Genomic Medicine, Columbia University, New York, NY, United States
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Wei J, Wang S, Zhu H, Cui W, Gao J, Gao C, Yu B, Liu B, Chen J, Peng J. Hepatic depletion of nucleolar protein mDEF causes excessive mitochondrial copper accumulation associated with p53 and NRF1 activation. iScience 2023; 26:107220. [PMID: 37456842 PMCID: PMC10339200 DOI: 10.1016/j.isci.2023.107220] [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: 03/03/2023] [Revised: 05/15/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023] Open
Abstract
Copper is an essential component in the mitochondrial respiratory chain complex IV (cytochrome c oxidases). However, whether any nucleolar factor(s) is(are) involved in regulating the mitochondrial copper homeostasis remains unclear. The nucleolar localized Def-Capn3 protein degradation pathway cleaves target proteins, including p53, in both zebrafish and human nucleoli. Here, we report that hepatic depletion of mDEF in mice causes an excessive copper accumulation in the mitochondria. We find that mDEF-depleted hepatocytes show an exclusion of CAPN3 from the nucleoli and accumulate p53 and NRF1 proteins in the nucleoli. Furthermore, we find that NRF1 is a CAPN3 substrate. Elevated p53 and NRF1 enhances the expression of Sco2 and Cox genes, respectively, to allow more copper acquirement in the mDefloxp/loxp, Alb:Cre mitochondria. Our findings reveal that the mDEF-CAPN3 pathway serves as a novel mechanism for regulating the mitochondrial copper homeostasis through targeting its substrates p53 and NRF1.
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Affiliation(s)
- Jinsong Wei
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Shuai Wang
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Haozhe Zhu
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wei Cui
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jianan Gao
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ce Gao
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bo Yu
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bojing Liu
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jun Chen
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jinrong Peng
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
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Huang W, Chen F, Ma Q, Xin J, Li J, Chen J, Zhou B, Chen M, Li J, Peng J. Ribosome biogenesis gene DEF/UTP25 is essential for liver homeostasis and regeneration. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1651-1664. [PMID: 32303961 DOI: 10.1007/s11427-019-1635-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 01/17/2020] [Indexed: 12/19/2022]
Abstract
Hepatocytes are responsible for diverse metabolic activities in a liver. Proper ribosome biogenesis is essential to sustain the function of hepatocytes. There are approximately 200 factors involved in ribosome biogenesis; however, few studies have focused on the role of these factors in maintaining liver homeostasis. The digestive organ expansion factor (def) gene encodes a nucleolar protein Def that participates in ribosome biogenesis. In addition, Def forms a complex with cysteine protease Calpain3 (Capn3) and recruits Capn3 to the nucleolus to cleave protein targets. However, the function of Def has not been characterized in the mammalian digestive organs. In this report, we show that conditional knockout of the mouse def gene in hepatocytes causes cell morphology abnormality and constant infiltration of inflammatory cells in the liver. As age increases, the def conditional knockout liver displays multiple tissue damage foci and biliary hyperplasia. Moreover, partial hepatectomy leads to sudden acute death to the def conditional knockout mice and this phenotype is rescued by intragastric injection of the anti-inflammation drug dexamethasone one day before hepatectomy. Our results demonstrate that Def is essential for maintaining the liver homeostasis and liver regeneration capacity in mammals.
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Affiliation(s)
- Weidong Huang
- MOE Key Laboratory of Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Feng Chen
- MOE Key Laboratory of Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Quanxin Ma
- Academy of Chinese Medicine/Institute of Comparative Medicine, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Jiaojiao Xin
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Jiaqi Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Jun Chen
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Bin Zhou
- The State Key Laboratory of Cell Biology, CAS Center for Excellence on Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Minli Chen
- Academy of Chinese Medicine/Institute of Comparative Medicine, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Jun Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China.
| | - Jinrong Peng
- MOE Key Laboratory of Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
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Martín B, Pappa S, Díez-Villanueva A, Mallona I, Custodio J, Barrero MJ, Peinado MA, Jordà M. Tissue and cancer-specific expression of DIEXF is epigenetically mediated by an Alu repeat. Epigenetics 2020; 15:765-779. [PMID: 32041475 DOI: 10.1080/15592294.2020.1722398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Alu repeats constitute a major fraction of human genome and for a small subset of them a role in gene regulation has been described. The number of studies focused on the functional characterization of particular Alu elements is very limited. Most Alu elements are DNA methylated and then assumed to lie in repressed chromatin domains. We hypothesize that Alu elements with low or variable DNA methylation are candidates for a functional role. In a genome-wide study in normal and cancer tissues, we pinpointed an Alu repeat (AluSq2) with differential methylation located upstream of the promoter region of the DIEXF gene. DIEXF encodes a highly conserved factor essential for the development of zebrafish digestive tract. To characterize the contribution of the Alu element to the regulation of DIEXF we analysed the epigenetic landscapes of the gene promoter and flanking regions in different cell types and cancers. Alternate epigenetic profiles (DNA methylation and histone modifications) of the AluSq2 element were associated with DIEXF transcript diversity as well as protein levels, while the epigenetic profile of the CpG island associated with the DIEXF promoter remained unchanged. These results suggest that AluSq2 might directly contribute to the regulation of DIEXF transcription and protein expression. Moreover, AluSq2 was DNA hypomethylated in different cancer types, pointing out its putative contribution to DIEXF alteration in cancer and its potential as tumoural biomarker.
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Affiliation(s)
- Berta Martín
- Program of Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP) , Barcelona, Spain
| | - Stella Pappa
- Program of Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP) , Barcelona, Spain
| | - Anna Díez-Villanueva
- Program of Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP) , Barcelona, Spain
| | - Izaskun Mallona
- Program of Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP) , Barcelona, Spain
| | - Joaquín Custodio
- Program of Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP) , Barcelona, Spain
| | - María José Barrero
- Center for Regenerative Medicine in Barcelona (CMRB), Avinguda de la Granvia de l'Hospitalet , Barcelona, Spain
| | - Miguel A Peinado
- Program of Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP) , Barcelona, Spain
| | - Mireia Jordà
- Program of Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP) , Barcelona, Spain
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Constitutive Dicer1 phosphorylation accelerates metabolism and aging in vivo. Proc Natl Acad Sci U S A 2018; 116:960-969. [PMID: 30593561 DOI: 10.1073/pnas.1814377116] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
DICER1 gene alterations and decreased expression are associated with developmental disorders and diseases in humans. Oscillation of Dicer1 phosphorylation and dephosphorylation regulates its function during the oocyte-to-embryo transition in Caenorhabditis elegans Dicer1 is also phosphorylated upon FGF stimulation at conserved serines in mouse embryonic fibroblasts and HEK293 cells. However, whether phosphorylation of Dicer1 has a role in mammalian development remains unknown. To investigate the consequence of constitutive phosphorylation, we generated phosphomimetic knock-in mouse models by replacing conserved serines 1712 and 1836 with aspartic acids individually or together. Dicer1 S1836D/S1836D mice display highly penetrant postnatal lethality, and the few survivors display accelerated aging and infertility. Homozygous dual-phosphomimetic Dicer1 augments these defects, alters metabolism-associated miRNAs, and causes a hypermetabolic phenotype. Thus, constitutive phosphorylation of Dicer1 results in multiple pathologic processes in mice, indicating that phosphorylation tightly regulates Dicer1 function and activity in mammals.
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Aryal NK, Wasylishen AR, Lozano G. CRISPR/Cas9 can mediate high-efficiency off-target mutations in mice in vivo. Cell Death Dis 2018; 9:1099. [PMID: 30368519 PMCID: PMC6204134 DOI: 10.1038/s41419-018-1146-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 09/18/2018] [Accepted: 10/11/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Neeraj K Aryal
- Department of Genetics, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA
- Genes and Development Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, 6767 Bertner Avenue, Houston, TX, 77030, USA
| | - Amanda R Wasylishen
- Department of Genetics, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA
| | - Guillermina Lozano
- Department of Genetics, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA.
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Wasylishen AR, Estrella JS, Pant V, Chau GP, Lozano G. Daxx Functions Are p53-Independent In Vivo. Mol Cancer Res 2018; 16:1523-1529. [PMID: 29903771 PMCID: PMC6233723 DOI: 10.1158/1541-7786.mcr-18-0281] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/02/2018] [Accepted: 05/31/2018] [Indexed: 02/03/2023]
Abstract
Mutations in the death domain-associated protein (DAXX) have been recently identified in a substantial proportion of human pancreatic neuroendocrine tumors (PanNETs). Remarkably, however, little is known about the physiologic role(s) of DAXX despite in vitro studies suggesting potential functions. Most prominently, and supported by tumor sequencing data, DAXX functions in concert with alpha thalassemia/mental retardation X-linked (ATRX) as a histone chaperone complex for the H3.3 variant. Studies have also identified potential roles in apoptosis, transcription, and negative regulation of the p53 tumor suppressor pathway. Herein, a mouse modeling approach was used to specifically address the latter and no significant genetic interaction between Daxx and the p53 pathway was determined. The embryonic lethal phenotype of Daxx loss is not p53-dependent. In addition, Daxx heterozygosity does not sensitize mice to a sublethal dose of ionizing radiation or alter the survival or tumor phenotype of Mdm2 transgenic mice. However, the data support a tumor suppressor role for DAXX as low-dose ionizing radiation produced a higher proportion of carcinomas in Daxx heterozygous mice than wild-type controls.Implications: While DAXX has important in vivo functions, they are independent of an inhibitory role on the p53 tumor suppressor pathway. Mol Cancer Res; 16(10); 1523-9. ©2018 AACR.
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Affiliation(s)
- Amanda R. Wasylishen
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
| | - Jeannelyn S. Estrella
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
| | - Vinod Pant
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
| | - Gilda P. Chau
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
| | - Guillermina Lozano
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America,Corresponding author: Guillermina Lozano, The University of Texas MD Anderson Cancer Center, Department of Genetics, 1515 Holcombe Blvd, Unit 1010, Houston, TX 77030, , Phone: 713-834-6386, Fax: 713-834-6380
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