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You Y, Wu W, Du Y, Hu J, Li B. Developmental epileptic encephalopathy caused by homozygosity of a c.172+1G>C variant in the WWOX gene. Mol Genet Genomic Med 2024; 12:e2500. [PMID: 39101447 PMCID: PMC11298992 DOI: 10.1002/mgg3.2500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/01/2024] [Accepted: 07/18/2024] [Indexed: 08/06/2024] Open
Abstract
BACKGROUND Variations in the WWOX gene have been identified as the leading cause of several central nervous system disorders. However, most previous reports have focused on the description of clinical phenotype, neglecting functional verification. Herein, we presented a case of a patient with developmental epileptic encephalopathy (DEE) caused by WWOX gene variation. CASE PRESENTATION Our patient was a 13-month-old girl with abnormal facial features, including facial hypotonia, arched eyebrows, a broad nose, and a depressed nasal bridge. She also had sparse and yellow hair, a low anterior hairline, and a short neck. Before the age of 8 months, she was suffering from mild seizures. Her developmental delay gradually worsened, and she suffered infantile spasms. After treatment with vigabatrin, seizures subsided. WWOX gene homozygous variation c.172+1G>C was identified using whole exome sequencing. Further minigene assay confirmed that the variation site affected splicing, causing protein truncation and affecting its function. CONCLUSION Clinical phenotype and minigene results suggest that WWOX gene homozygous variation c.172+1G>C can cause severe DEE. We also concluded that vigabatrin can effectively treat seizures.
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Affiliation(s)
- Yang You
- Department of ImagingThe Fourth Hospital of Hebei Medical UniversityShijiazhuangHebeiP.R. China
| | - Wenjuan Wu
- Department of NeurologyHebei Medical University, Hebei Children's HospitalShijiazhuangHebeiP.R. China
| | - Yakun Du
- Department of NeurologyHebei Medical University, Hebei Children's HospitalShijiazhuangHebeiP.R. China
| | - Jintong Hu
- Department of NeurologyHebei Medical University, Hebei Children's HospitalShijiazhuangHebeiP.R. China
| | - Baoguang Li
- Department of NeurologyHebei Medical University, Hebei Children's HospitalShijiazhuangHebeiP.R. China
- Key Laboratory of Pediatric Epilepsy and Neurological Disorders of Hebei ProvinceShijiazhuangP.R. China
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Shin MJ, Kim HS, Lee P, Yang NG, Kim JY, Eun YS, Lee W, Kim D, Lee Y, Jung KE, Hong D, Shin JM, Lee SH, Lee SY, Kim CD, Kim JE. Mechanistic Investigation of WWOX Function in NF-kB-Induced Skin Inflammation in Psoriasis. Int J Mol Sci 2023; 25:167. [PMID: 38203337 PMCID: PMC10779412 DOI: 10.3390/ijms25010167] [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: 11/28/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
Psoriasis is a chronic inflammatory skin disease characterized by epidermal hyperproliferation, aberrant differentiation of keratinocytes, and dysregulated immune responses. WW domain-containing oxidoreductase (WWOX) is a non-classical tumor suppressor gene that regulates multiple cellular processes, including proliferation, apoptosis, and migration. This study aimed to explore the possible role of WWOX in the pathogenesis of psoriasis. Immunohistochemical analysis showed that the expression of WWOX was increased in epidermal keratinocytes of both human psoriatic lesions and imiquimod-induced mice psoriatic model. Immortalized human epidermal keratinocytes were transduced with a recombinant adenovirus expressing microRNA specific for WWOX to downregulate its expression. Inflammatory responses were detected using Western blotting, real-time quantitative reverse transcription polymerase chain reaction (PCR), and enzyme-linked immunosorbent assay. In human epidermal keratinocytes, WWOX knockdown reduced nuclear factor-kappa B signaling and levels of proinflammatory cytokines induced by polyinosinic: polycytidylic acid [(poly(I:C)] in vitro. Furthermore, calcium chelator and protein kinase C (PKC) inhibitors significantly reduced poly(I:C)-induced inflammatory reactions. WWOX plays a role in the inflammatory reaction of epidermal keratinocytes by regulating calcium and PKC signaling. Targeting WWOX could be a novel therapeutic approach for psoriasis in the future.
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Affiliation(s)
- Min-Jeong Shin
- Department of Dermatology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea (N.-G.Y.)
| | - Hyun-Sun Kim
- Department of Dermatology, Soonchunhyang University Graduate School of Medicine, Asan 31538, Republic of Korea (P.L.)
| | - Pyeongan Lee
- Department of Dermatology, Soonchunhyang University Graduate School of Medicine, Asan 31538, Republic of Korea (P.L.)
| | - Na-Gyeong Yang
- Department of Dermatology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea (N.-G.Y.)
| | - Jae-Yun Kim
- Department of Dermatology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea (N.-G.Y.)
| | - Yun-Su Eun
- Department of Dermatology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea (N.-G.Y.)
| | - Whiin Lee
- Department of Dermatology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea (N.-G.Y.)
| | - Doyeon Kim
- Department of Dermatology, School of Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea (Y.L.)
| | - Young Lee
- Department of Dermatology, School of Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea (Y.L.)
| | - Kyung-Eun Jung
- Department of Dermatology, School of Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea (Y.L.)
| | - Dongkyun Hong
- Department of Dermatology, School of Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea (Y.L.)
| | - Jung-Min Shin
- Department of Dermatology, School of Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea (Y.L.)
| | - Sul-Hee Lee
- Department of Dermatology, College of Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Republic of Korea
| | - Sung-Yul Lee
- Department of Dermatology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea (N.-G.Y.)
| | - Chang-Deok Kim
- Department of Dermatology, School of Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea (Y.L.)
- Department of Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Jung-Eun Kim
- Department of Dermatology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea (N.-G.Y.)
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Rushing BR. Multi-Omics Analysis of NCI-60 Cell Line Data Reveals Novel Metabolic Processes Linked with Resistance to Alkylating Anti-Cancer Agents. Int J Mol Sci 2023; 24:13242. [PMID: 37686047 PMCID: PMC10487847 DOI: 10.3390/ijms241713242] [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: 07/28/2023] [Revised: 08/16/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
This study aimed to elucidate the molecular determinants influencing the response of cancer cells to alkylating agents, a major class of chemotherapeutic drugs used in cancer treatment. The study utilized data from the National Cancer Institute (NCI)-60 cell line screening program and employed a comprehensive multi-omics approach integrating transcriptomic, proteomic, metabolomic, and SNP data. Through integrated pathway analysis, the study identified key metabolic pathways, such as cysteine and methionine metabolism, starch and sucrose metabolism, pyrimidine metabolism, and purine metabolism, that differentiate drug-sensitive and drug-resistant cancer cells. The analysis also revealed potential druggable targets within these pathways. Furthermore, copy number variant (CNV) analysis, derived from SNP data, between sensitive and resistant cells identified notable differences in genes associated with metabolic changes (WWOX, CNTN5, DDAH1, PGR), protein trafficking (ARL17B, VAT1L), and miRNAs (MIR1302-2, MIR3163, MIR1244-3, MIR1302-9). The findings of this study provide a holistic view of the molecular landscape and dysregulated pathways underlying the response of cancer cells to alkylating agents. The insights gained from this research can contribute to the development of more effective therapeutic strategies and personalized treatment approaches, ultimately improving patient outcomes in cancer treatment.
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Affiliation(s)
- Blake R. Rushing
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC 28081, USA;
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Smetanina MA, Korolenya VA, Kel AE, Sevostyanova KS, Gavrilov KA, Shevela AI, Filipenko ML. Epigenome-Wide Changes in the Cell Layers of the Vein Wall When Exposing the Venous Endothelium to Oscillatory Shear Stress. EPIGENOMES 2023; 7:epigenomes7010008. [PMID: 36975604 PMCID: PMC10048778 DOI: 10.3390/epigenomes7010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/29/2023] Open
Abstract
Epigenomic changes in the venous cells exerted by oscillatory shear stress towards the endothelium may result in consolidation of gene expression alterations upon vein wall remodeling during varicose transformation. We aimed to reveal such epigenome-wide methylation changes. Primary culture cells were obtained from non-varicose vein segments left after surgery of 3 patients by growing the cells in selective media after magnetic immunosorting. Endothelial cells were either exposed to oscillatory shear stress or left at the static condition. Then, other cell types were treated with preconditioned media from the adjacent layer's cells. DNA isolated from the harvested cells was subjected to epigenome-wide study using Illumina microarrays followed by data analysis with GenomeStudio (Illumina), Excel (Microsoft), and Genome Enhancer (geneXplain) software packages. Differential (hypo-/hyper-) methylation was revealed for each cell layer's DNA. The most targetable master regulators controlling the activity of certain transcription factors regulating the genes near the differentially methylated sites appeared to be the following: (1) HGS, PDGFB, and AR for endothelial cells; (2) HGS, CDH2, SPRY2, SMAD2, ZFYVE9, and P2RY1 for smooth muscle cells; and (3) WWOX, F8, IGF2R, NFKB1, RELA, SOCS1, and FXN for fibroblasts. Some of the identified master regulators may serve as promising druggable targets for treating varicose veins in the future.
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Affiliation(s)
- Mariya A Smetanina
- Laboratory of Pharmacogenomics, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Department of Fundamental Medicine, V. Zelman Institute for Medicine and Psychology, Novosibirsk State University (NSU), Novosibirsk 630090, Russia
| | - Valeria A Korolenya
- Laboratory of Pharmacogenomics, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Department of Natural Sciences, Novosibirsk State University (NSU), Novosibirsk 630090, Russia
| | - Alexander E Kel
- Laboratory of Pharmacogenomics, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Department of Research & Development, GeneXplain GmbH, D-38302 Wolfenbüttel, Germany
| | - Ksenia S Sevostyanova
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Laboratory of Invasive Medical Technologies, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Department of Surgical Diseases, V. Zelman Institute for Medicine and Psychology, Novosibirsk State University (NSU), Novosibirsk 630090, Russia
| | - Konstantin A Gavrilov
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Department of Surgical Diseases, V. Zelman Institute for Medicine and Psychology, Novosibirsk State University (NSU), Novosibirsk 630090, Russia
| | - Andrey I Shevela
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Laboratory of Invasive Medical Technologies, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
- Department of Surgical Diseases, V. Zelman Institute for Medicine and Psychology, Novosibirsk State University (NSU), Novosibirsk 630090, Russia
| | - Maxim L Filipenko
- Laboratory of Pharmacogenomics, Institute of Chemical Biology and Fundamental Medicine (ICBFM) SB RAS, Novosibirsk 630090, Russia
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Lin YH, Shih YH, Yap YV, Chen YW, Kuo HL, Liu TY, Hsu LJ, Kuo YM, Chang NS. Zfra Inhibits the TRAPPC6AΔ-Initiated Pathway of Neurodegeneration. Int J Mol Sci 2022; 23:ijms232314510. [PMID: 36498839 PMCID: PMC9739312 DOI: 10.3390/ijms232314510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 11/23/2022] Open
Abstract
When WWOX is downregulated in middle age, aggregation of a protein cascade, including TRAPPC6AΔ (TPC6AΔ), TIAF1, and SH3GLB2, may start to occur, and the event lasts more than 30 years, which results in amyloid precursor protein (APP) degradation, amyloid beta (Aβ) generation, and neurodegeneration, as shown in Alzheimer's disease (AD). Here, by treating neuroblastoma SK-N-SH cells with neurotoxin MPP+, upregulation and aggregation of TPC6AΔ, along with aggregation of TIAF1, SH3GLB2, Aβ, and tau, occurred. MPP+ is an inducer of Parkinson's disease (PD), suggesting that TPC6AΔ is a common initiator for AD and PD pathogenesis. Zfra, a 31-amino-acid zinc finger-like WWOX-binding protein, is known to restore memory deficits in 9-month-old triple-transgenic (3xTg) mice by blocking the aggregation of TPC6AΔ, SH3GLB2, tau, and amyloid β, as well as inflammatory NF-κB activation. The Zfra4-10 peptide exerted a strong potency in preventing memory loss during the aging of 3-month-old 3xTg mice up to 9 months, as determined by a novel object recognition task (ORT) and Morris water maize analysis. Compared to age-matched wild type mice, 11-month-old Wwox heterozygous mice exhibited memory loss, and this correlates with pT12-WWOX aggregation in the cortex. Together, aggregation of pT12-WWOX may link to TPC6AΔ aggregation for AD progression, with TPC6AΔ aggregation being a common initiator for AD and PD progression.
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Affiliation(s)
- Yu-Hao Lin
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Yao-Hsiang Shih
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Sanmin District, Kaohsiung 80708, Taiwan
| | - Ye Vone Yap
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Yen-Wei Chen
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Hsiang-Lin Kuo
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Tsung-Yun Liu
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Li-Jin Hsu
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Yu-Min Kuo
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Nan-Shan Chang
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Sanmin District, Kaohsiung 80708, Taiwan
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
- Department of Neurochemistry, New York State Institute for Basic Research in Developmental Disabilities, New York, NY 10314, USA
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung 404333, Taiwan
- Correspondence: ; Tel.: +886-6-2353535 (ext. 5268)
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