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Xiong A, He X, Liu S, Ran Q, Zhang L, Wang J, Jiang M, Niu B, Xiong Y, Li G. Oxidative stress-mediated activation of FTO exacerbates impairment of the epithelial barrier by up-regulating IKBKB via N6-methyladenosine-dependent mRNA stability in asthmatic mice exposed to PM2.5. Ecotoxicol Environ Saf 2024; 272:116067. [PMID: 38325270 DOI: 10.1016/j.ecoenv.2024.116067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/09/2024]
Abstract
In order to comprehend the underlying mechanisms contributing to the development and exacerbation of asthma resulting from exposure to fine particulate matter (PM2.5), we established an asthmatic model in fat mass and obesity-associated gene knockdown mice subjected to PM2.5 exposure. Histological analyses using hematoxylin-eosin (HE) and Periodic Acid-Schiff (PAS) staining revealed that the down-regulation of the fat mass and obesity-associated gene (Fto) expression significantly ameliorated the pathophysiological alterations observed in asthmatic mice exposed to PM2.5. Furthermore, the down-regulation of Fto gene expression effectively attenuated damage to the airway epithelial barrier. Additionally, employing in vivo and in vitro models, we elucidated that PM2.5 modulated FTO expression by inducing oxidative stress. Asthmatic mice exposed to PM2.5 exhibited elevated Fto expression, which correlated with increased levels of reactive oxygen species. Similarly, when cells were exposed to PM2.5, FTO expression was up-regulated in a ROS-dependent manner. Notably, the administration of N-acetyl cysteine successfully reversed the PM2.5-induced elevation in FTO expression. Concurrently, we performed transcriptome-wide Methylated RNA immunoprecipitation Sequencing (MeRIP-seq) analysis subsequent to PM2.5 exposure. Through the implementation of Gene Set Enrichment Analysis and m6A-IP-qPCR, we successfully identified inhibitor of nuclear factor kappa B kinase subunit beta (IKBKB) as a target gene regulated by FTO. Interestingly, exposure to PM2.5 led to increased expression of IKBKB, while m6A modification on IKBKB mRNA was reduced. Furthermore, our investigation revealed that PM2.5 also regulated IKBKB through oxidative stress. Significantly, the down-regulation of IKBKB effectively mitigated epithelial barrier damage in cells exposed to PM2.5 by modulating nuclear factor-kappa B (NF-κB) signaling. Importantly, we discovered that decreased m6A modification on IKBKB mRNA facilitated by FTO enhanced its stability, consequently resulting in up-regulation of IKBKB expression. Collectively, our findings propose a novel role for FTO in the regulation of IKBKB through m6A-dependent mRNA stability in the context of PM2.5-induced oxidative stress. Therefore, it is conceivable that the utilization of antioxidants or inhibition of FTO could represent potential therapeutic strategies for the management of asthma exacerbated by PM2.5 exposure.
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Affiliation(s)
- Anying Xiong
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China
| | - Xiang He
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China; National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, China.
| | - Shengbin Liu
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China
| | - Qin Ran
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China
| | - Lei Zhang
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, 999078, China
| | - Junyi Wang
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China
| | - Manling Jiang
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, 999078, China
| | - Bin Niu
- Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China
| | - Ying Xiong
- Department of Pulmonary and Critical Care Medicine, Sichuan friendship hospital, Chengdu 610000, China.
| | - Guoping Li
- Laboratory of Allergy and Precision Medicine, Chengdu Institute of Respiratory Health, the Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China; Department of Pulmonary and Critical Care Medicine, Chengdu third people's hospital branch of National Clinical Research Center for Respiratory Disease, Affiliated Hospital of ChongQing Medical University, Chengdu 610031, China.
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Lee S, Shin HJ, Noh C, Kim SI, Ko YK, Lee SY, Lim C, Hong B, Yang SY, Kim DW, Lee WH, Kim YH. IKBKB siRNA-Encapsulated Poly (Lactic- co-Glycolic Acid) Nanoparticles Diminish Neuropathic Pain by Inhibiting Microglial Activation. Int J Mol Sci 2021; 22:5657. [PMID: 34073390 DOI: 10.3390/ijms22115657] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 05/19/2021] [Accepted: 05/21/2021] [Indexed: 01/08/2023] Open
Abstract
Activation of nuclear factor-kappa B (NF-κB) in microglia plays a decisive role in the progress of neuropathic pain, and the inhibitor of kappa B (IκB) is a protein that blocks the activation of NF-κB and is degraded by the inhibitor of NF-κB kinase subunit beta (IKBKB). The role of IKBKB is to break down IκB, which blocks the activity of NF-kB. Therefore, it prevents the activity of NK-kB. This study investigated whether neuropathic pain can be reduced in spinal nerve ligation (SNL) rats by reducing the activity of microglia by delivering IKBKB small interfering RNA (siRNA)-encapsulated poly (lactic-co-glycolic acid) (PLGA) nanoparticles. PLGA nanoparticles, as a carrier for the delivery of IKBKB genes silencer, were used because they have shown potential to enhance microglial targeting. SNL rats were injected with IKBKB siRNA-encapsulated PLGA nanoparticles intrathecally for behavioral tests on pain response. IKBKB siRNA was delivered for suppressing the expression of IKBKB. In rats injected with IKBKB siRNA-encapsulated PLGA nanoparticles, allodynia caused by mechanical stimulation was reduced, and the secretion of pro-inflammatory mediators due to NF-κB was reduced. Delivering IKBKB siRNA through PLGA nanoparticles can effectively control the inflammatory response and is worth studying as a treatment for neuropathic pain.
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Perazzio SF, Allenspach EJ, Eklund KK, Varjosalo M, Shinohara MM, Torgerson TR, Seppänen MRJ. Behçet disease (BD) and BD-like clinical phenotypes: NF-κB pathway in mucosal ulcerating diseases. Scand J Immunol 2020; 92:e12973. [PMID: 32889730 DOI: 10.1111/sji.12973] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/08/2020] [Accepted: 08/30/2020] [Indexed: 02/06/2023]
Abstract
Behçet's disease (BD) is a heterogeneous multi-organ disorder in search of a unified pathophysiological theory and classification. The disease frequently has overlapping features resembling other disease clusters, such as vasculitides, spondyloarthritides and thrombophilias with similar genetic risk variants, namely HLA-B*51, ERAP1, IL-10, IL-23R. Many of the BD manifestations, such as unprovoked recurrent episodes of inflammation and increased expression of IL-1, IL-6 and TNFα, overlap with those of the hereditary monogenic autoinflammatory syndromes, positioning BD at the crossroads between autoimmune and autoinflammatory syndromes. BD-like disease associates with various inborn errors of immunity, including familial Mediterranean fever, conditions related to dysregulated NF-κB activation (eg TNFAIP3, NFKB1, OTULIN, RELA, IKBKG) and either constitutional trisomy 8 or acquired trisomy 8 in myelodysplastic syndromes. We review here the recent advances in the immunopathology of BD, BD-like diseases and the NF-κB pathway suggesting new elements in the elusive BD etiopathogenesis.
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Affiliation(s)
- Sandro F Perazzio
- Seattle Children's Research Institute, University of Washington and Center for Immunity and Immunotherapies, Seattle, WA, USA.,Division of Rheumatology, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Eric J Allenspach
- Seattle Children's Research Institute, University of Washington and Center for Immunity and Immunotherapies, Seattle, WA, USA
| | - Kari K Eklund
- Division of Rheumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,ORTON Orthopaedic Hospital of the Orton Foundation, Helsinki, Finland
| | - Markku Varjosalo
- Division of Rheumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,ORTON Orthopaedic Hospital of the Orton Foundation, Helsinki, Finland.,Molecular Systems Biology Research Group and Proteomics Unit, Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Michi M Shinohara
- Divisions of Dermatology and Dermatopathology, University of Washington, Seattle, WA, USA
| | | | - Mikko R J Seppänen
- Rare Disease and Pediatric Research Centers, Hospital for Children and Adolescents and Adult Immunodeficiency Unit, Inflammation Center, University of Helsinki and HUS Helsinki University Hospital, Helsinki, Finland
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Pan F, Zhang J, Tang B, Jing L, Qiu B, Zha Z. The novel circ_0028171/miR-218-5p/ IKBKB axis promotes osteosarcoma cancer progression. Cancer Cell Int 2020; 20:484. [PMID: 33041665 PMCID: PMC7542388 DOI: 10.1186/s12935-020-01562-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 09/17/2020] [Indexed: 01/05/2023] Open
Abstract
Background Recently, it has been demonstrated that circular RNA (circRNA) contributes to the production and progression in human cancer. However, the specific function and underlying mechanism of circ_0028171 in osteosarcoma (OS) still remain largely unclear and require to be investigated. Methods In our study, we confirmed differentially expressed circRNAs by microarray analysis in normal bone cells vs. OS cell lines. The expression of circ-0028171 in OS was measured by qRT-PCR. Nuclear-cytoplasmic fractionation was employed to identify the localization of circ-0028171, and RNase R and actinomycin D treatment were used to prove its circular characteristic. In vitro experiments, such as CCK-8 method, cell count, cell colony formation, transwell migration and invasion assays, and in vivo tumor models were adopted to evaluate the effect of circ_0028171. Further, luciferase reporter, RIP and RNA pull-down assays were conducted to confirm the binding sites of circ_0028171 with miR-218-5p. Results We found that circ_0028171 displayed a remarkably higher expression in both OS tissues and cell lines. Circ_0028171 mainly located in the cytoplasm as a stable cyclic transcript. Knockdown of circ_0028171 suppressed OS tumor growth in vitro and in vivo, while up-regulated circ_0028171 remarkably enhanced cell proliferation, migration and invasion abilities in OS. Several mechanistic experiments revealed that circ_0028171 served as a sponge of miR-218-5p to increase IKBKB expression. Conclusions our research reveals that circ_0028171 might promote the malignant behavior of OS tissues through miR-218-5p/IKBKB axis, which could be a potential novel marker for early diagnosis of OS.
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Affiliation(s)
- Feng Pan
- Department of Bone and Joint Surgery, Institute of Orthopedic Diseases, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong China.,Department of Bone and Joint Surgery, Gui Zhou Orthopedic Hospital, Gui Zhou, China
| | - Jun Zhang
- Department of Bone and Joint Surgery, Gui Zhou Orthopedic Hospital, Gui Zhou, China
| | - Benseng Tang
- Department of Bone and Joint Surgery, Gui Zhou Orthopedic Hospital, Gui Zhou, China
| | - Li Jing
- Department of Bone and Joint Surgery, Gui Zhou Orthopedic Hospital, Gui Zhou, China
| | - Bing Qiu
- Department of Bone and Joint Surgery, Gui Zhou Orthopedic Hospital, Gui Zhou, China
| | - Zhengang Zha
- Department of Bone and Joint Surgery, Institute of Orthopedic Diseases, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong China
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Gong Y, Zhao W, Jia Q, Dai J, Chen N, Chen Y, Gu D, Huo X, Chen J. IKBKB rs2272736 is Associated with Gastric Cancer Survival. Pharmgenomics Pers Med 2020; 13:345-352. [PMID: 32884329 PMCID: PMC7443400 DOI: 10.2147/pgpm.s258761] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/20/2020] [Indexed: 12/18/2022]
Abstract
Background IKBKB/IKKβ, as the core catalytic subunit of IκB kinase complex, participates in mediation of the classical NF-κB pathway, which has been linked to inflammation and tumorigenesis. Previous studies have shown that single nucleotide polymorphisms in IKBKB have been related to gastric cancer, but how they associate to the clinical outcome is not yet clear. In this study, we retrospectively investigated the associations between single nucleotide polymorphisms located in IKBKB and gastric cancer survival. Materials and Methods IKBKB rs2272736 was genotyped in 1210 patients with primary gastric cancer in a Han Chinese population, and the relationships between rs2272736 and overall survival were evaluated. We conducted Cox proportional hazards regression, which was performed to estimate the effects of single nucleotide polymorphisms on the overall survival of patients, adjusted for potential confounding variables. Results We found that patients with rs2272736 A allele in IKBKB had significantly prolonged overall survival time compared to those with the G allele (HR = 0.83, 95% CI = 0.68–1.00, P = 0.050). In addition, AA genotype was demonstrated to have reduced risk of death for gastric cancer compared with that associated with the GG/GA genotypes, which was more common in patients with cardiac carcinoma, well-differentiated and moderately differentiated tumors, TNM Ⅰ/Ⅱ stages and intestinal type. Conclusion Our findings have shown that single nucleotide polymorphism rs2272736 in IKBKB may be a promising prognostic biomarker which should promote personalized treatment.
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Affiliation(s)
- Yang Gong
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Wenjing Zhao
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Qiong Jia
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Jiali Dai
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Nan Chen
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Yuetong Chen
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Dongying Gu
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Xinying Huo
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Jinfei Chen
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China.,Cancer Center, Taikang Xianlin Drum Tower Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, People's Republic of China.,Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
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Kaewborisuth C, Koonpaew S, Srisutthisamphan K, Viriyakitkosol R, Jaru-Ampornpan P, Jongkaewwattana A. PEDV ORF3 Independently Regulates IκB Kinase β-Mediated NF-κB and IFN-β Promoter Activities. Pathogens 2020; 9:E376. [PMID: 32423021 DOI: 10.3390/pathogens9050376] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/03/2020] [Accepted: 05/12/2020] [Indexed: 12/25/2022] Open
Abstract
The Open Reading Frame 3 (ORF3), an accessory protein of porcine epidemic diarrhea virus (PEDV), has been shown to interact with a myriad of cellular proteins, among which include the IκB kinase β (IKBKB). Here, specific IKBKB domains responsible for ORF3–IKBKB interaction were identified. Dysregulation of NF-κB and Type I interferon (IFN) in the presence of ORF3 was also demonstrated. We showed that while ORF3 was capable of up-regulating IKBKB-meditated NF-κB promoter activity, it surprisingly down-regulated the activation of IKBKB-meditated IFN-β promoter and expression of IFN-β mRNA. When overexpressed, ORF3 could suppress Poly I:C mediated type I IFN production and induction. Finally, we demonstrated that IKBKB- and RIG-I-mediated type I IFN induction by ORF3 resulted in different outcomes. Our study is the first to demonstrate the potential and complex roles of ORF3 in the involvement of aberrant immune signaling as well as in the virus–host interaction.
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Alsum Z, AlZahrani MS, Al-Mousa H, Alkhamis N, Alsalemi AA, Shamseldin HE, Alkuraya FS, Alangari AA. Multiple Family Members With Delayed Cord Separtion and Combined Immunodeficiency With Novel Mutation in IKBKB. Front Pediatr 2020; 8:9. [PMID: 32117824 PMCID: PMC7034298 DOI: 10.3389/fped.2020.00009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 01/09/2020] [Indexed: 02/03/2023] Open
Abstract
Background: Inhibitor of kappa kinase 2 (IKK2) deficiency is a recently described combined immunodeficiency. It undermines the nuclear factor-kappa B (NF-κB) activation pathway. Methods: The clinical and immunological data of four patients diagnosed with combined immunodeficiency (CID) from two related Saudi families were collected. Autozygosity mapping of all available members and whole exome sequencing of the index case were performed to define the genetic etiology. Results: The patients had early onset (2-4 months of age) severe infections caused by viruses, bacteria, mycobacteria, and fungi. They all had hypogammaglobulinemia and low absolute lymphocyte count. Their lymphocytes failed to respond to PHA mitogen stimulation. A novel homozygous non-sense mutation in the IKBKB gene, c.850C>T (p. Arg284*) was identified in the index patient and segregated with the disease in the rest of the family. He underwent hematopoietic stem cell transplantation (HSCT) from a fully matched sibling with no conditioning. The other three patients succumbed to their disease. Interestingly, all patients had delayed umbilical cord separation. Conclusion: IKK2 deficiency causes CID with high mortality. Immune reconstitution with HSCT should be considered as early as possible. Delayed umbilical cord separation in CID patients may be a clue to IKK2 deficiency.
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Affiliation(s)
- Zobaida Alsum
- Department of Pediatrics, King Saud University Medical City, Riyadh, Saudi Arabia
| | | | - Hamoud Al-Mousa
- Department of Pediatrics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Nouf Alkhamis
- Department of Pediatrics, King Saud University Medical City, Riyadh, Saudi Arabia
| | | | - Hanan E Shamseldin
- Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Fowzan S Alkuraya
- Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.,Department of Anatomy and Cell Biology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia.,Saudi Human Genome Program, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Abdullah A Alangari
- Department of Pediatrics, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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Cuvelier GDE, Rubin TS, Junker A, Sinha R, Rosenberg AM, Wall DA, Schroeder ML. Clinical presentation, immunologic features, and hematopoietic stem cell transplant outcomes for IKBKB immune deficiency. Clin Immunol 2018; 205:138-147. [PMID: 30391351 PMCID: PMC7106064 DOI: 10.1016/j.clim.2018.10.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/10/2018] [Accepted: 10/30/2018] [Indexed: 11/24/2022]
Abstract
IKBKB immune deficiency is a rare but life-threatening primary immunodeficiency disorder, involving activation defects in adaptive and innate immunity. We present sixteen cases of a homozygous IKBKB mutation (c.1292dupG) in infants characterized by early-onset bacterial, viral, fungal and Mycobacterial infections. In most cases, T- and B-cells were quantitatively normal, but phenotypically naïve, with severe hypogammaglobulinemia. T-cell receptor excision circles were normal, meaning newborn screening by TREC analysis would miss IKBKB cases. Although IKBKB immune deficiency does not meet traditional laboratory based definitions for SCID, this combined immune deficiency appears to be at least as profound. Urgent HSCT, performed in eight patients, remains the only known curative therapy, although only three patients are survivors. Ongoing infections after transplant remain a concern, and may be due to combinations of poor social determinants of health, secondary graft failure, and failure of HSCT to replace non-hematopoietic cells important in immune function and dependent upon IKK/NF-κB pathways.
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Affiliation(s)
- Geoffrey D E Cuvelier
- Manitoba Blood and Marrow Transplant Program, CancerCare Manitoba, Division of Pediatric Hematology-Oncology-BMT, University of Manitoba, Winnipeg, Manitoba, Canada.
| | - Tamar S Rubin
- Winnipeg Children's Hospital, Division of Pediatric Allergy and Immunology, University of Manitoba, Winnipeg, MB, Canada
| | - Anne Junker
- British Columbia Children's Hospital, Division of Clinical Immunology and Allergy, University of British Columbia, Vancouver, BC, Canada
| | - Roona Sinha
- Royal University Hospital, Division of Pediatric Hematology-Oncology, University of Saskatchewan, Saskatoon, SK, Canada
| | - Alan M Rosenberg
- Royal University Hospital, Department of Pediatrics, University of Saskatchewan, Saskatoon, SK, Canada
| | - Donna A Wall
- Hospital for Sick Children, Pediatric Blood and Marrow Transplant, University of Toronto, Toronto, ON, Canada
| | - Marlis L Schroeder
- Manitoba Blood and Marrow Transplant Program, CancerCare Manitoba, Division of Pediatric Hematology-Oncology-BMT, University of Manitoba, Winnipeg, Manitoba, Canada
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Huang Y, Chen G, Wang Y, He R, Du J, Jiao X, Tai Q. Inhibition of microRNA-16 facilitates the paclitaxel resistance by targeting IKBKB via NF-κB signaling pathway in hepatocellular carcinoma. Biochem Biophys Res Commun 2018; 503:1035-41. [PMID: 29935185 DOI: 10.1016/j.bbrc.2018.06.113] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Accepted: 06/20/2018] [Indexed: 01/19/2023]
Abstract
Hepatocellular carcinoma (HCC) is a common malignant tumor usually resistant to chemotherapy. MicroRNAs play important roles in modulation of carcinogenesis and chemoresistance, which miR-16 has been reported to mediate chemoresistance in many types of cancers. However, the role of miR-16 in HCC remains unknown. The aim of this study was to investigate whether miR-16 is participated in chemoresistance in HCC and shed light on the underlying molecular mechanisms. The findings of the current study discover that miR-16 is down-regulated in HCC tissue and cell lines. The results demonstrate that the inhibition of miR-16 renders resistance to paclitaxel in vitro and in vivo by targeting IKBKB via NF-κB signaling pathway, suggesting that miR-16 may be a meaningful therapeutic potential to overcome drug resistance in HCC.
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Tang X, Jin L, Cao P, Cao K, Huang C, Luo Y, Ma J, Shen S, Tan M, Li X, Zhou M. MicroRNA-16 sensitizes breast cancer cells to paclitaxel through suppression of IKBKB expression. Oncotarget 2018; 7:23668-83. [PMID: 26993770 PMCID: PMC5029655 DOI: 10.18632/oncotarget.8056] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 02/29/2016] [Indexed: 12/11/2022] Open
Abstract
Paclitaxel (Taxol) is an effective chemotherapeutic agent for treating breast cancer patients. However, chemoresistance is a major obstacle in cancer treatment. Here, we showed that overexpression of miR-16 promoted Taxol-induced cytotoxicity and apoptosis in breast cancer cells. Furthermore, IκB kinase β (IKBKB) was identified as a direct target of miR-16. Up-regulation of IKBKB suppressed Taxol-induced apoptosis and led to an increased resistance to Taxol, and restoring IKBKB expression in miR-16-overexpressing breast cancer cells recovered Taxol resistance. Moreover, miR-16 was highly expressed in Taxol-sensitive breast cancer tissues compared with Taxol-resistant tissues, and there was an inverse correlation between miR-16 expression and IKBKB expression in breast cancer tissues. The expression levels of miR-16 were negatively associated with T stages, whereas the expression of IKBKB was positively correlated with T stages, lymph node metastasis and clinical stages. Taken together, our data demonstrates that miR-16 sensitizes breast cancer cells to Taxol through the suppression of IKBKB expression, and targeting miR-16/IKBKB axis will be a promising strategy for overcoming Taxol resistance in breast cancer.
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Affiliation(s)
- Xueyuan Tang
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Long Jin
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Peiguo Cao
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ke Cao
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Chenghui Huang
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yanwei Luo
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jian Ma
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shourong Shen
- Department of Gastroenterology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ming Tan
- Mitchell Cancer Institute, University of South Alabama, Mobile, Alabama, USA
| | - Xiayu Li
- Department of Gastroenterology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ming Zhou
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
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11
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Mildenberger J, Johansson I, Sergin I, Kjøbli E, Damås JK, Razani B, Flo TH, Bjørkøy G. N-3 PUFAs induce inflammatory tolerance by formation of KEAP1-containing SQSTM1/p62-bodies and activation of NFE2L2. Autophagy 2017; 13:1664-1678. [PMID: 28820283 PMCID: PMC5640206 DOI: 10.1080/15548627.2017.1345411] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Inflammation is crucial in the defense against infections but must be tightly controlled to limit detrimental hyperactivation. Our diet influences inflammatory processes and omega-3 polyunsaturated fatty acids (n-3 PUFAs) have known anti-inflammatory effects. The balance of pro- and anti-inflammatory processes is coordinated by macrophages and macroautophagy/autophagy has recently emerged as a cellular process that dampens inflammation. Here we report that the n-3 PUFA docosahexaenoic acid (DHA) transiently induces cytosolic speckles of the autophagic receptor SQSTM1/p62 (sequestosome 1) (described as SQSTM1/p62-bodies) in macrophages. We suggest that the formation of SQSTM1/p62-bodies represents a fast mechanism of NFE2L2/Nrf2 (nuclear factor, erythroid 2 like 2) activation by recruitment of KEAP1 (kelch like ECH associated protein 1). Further, the autophagy receptor TAX1BP1 (Tax1 binding protein 1) and ubiquitin-editing enzyme TNFAIP3/A20 (TNF α induced protein 3) could be identified in DHA-induced SQSTM1/p62-bodies. Simultaneously, DHA strongly dampened the induction of pro-inflammatory genes including CXCL10 (C-X-C motif chemokine ligand 10) and we suggest that formation of SQSTM1/p62-bodies and activation of NFE2L2 leads to tolerance towards selective inflammatory stimuli. Finally, reduced CXCL10 levels were related to the improved clinical outcome in n-3 PUFA-supplemented heart-transplant patients and we propose CXCL10 as a robust marker for the clinical benefits mobilized by n-3 PUFA supplementation.
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Affiliation(s)
- Jennifer Mildenberger
- a Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences , Norwegian University of Science and Technology , Trondheim , Norway.,b Department of Biomedical Laboratory Science, Faculty of Natural Sciences , Norwegian University of Science and Technology , Trondheim , Norway
| | - Ida Johansson
- a Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences , Norwegian University of Science and Technology , Trondheim , Norway
| | - Ismail Sergin
- d Department of Medicine, Cardiovascular Division , Washington University School of Medicine , St. Louis , MO , USA
| | - Eli Kjøbli
- b Department of Biomedical Laboratory Science, Faculty of Natural Sciences , Norwegian University of Science and Technology , Trondheim , Norway
| | - Jan Kristian Damås
- a Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences , Norwegian University of Science and Technology , Trondheim , Norway.,c Department of Infectious Diseases , St Olav University Hospital , Trondheim , Norway
| | - Babak Razani
- d Department of Medicine, Cardiovascular Division , Washington University School of Medicine , St. Louis , MO , USA.,e Department of Pathology & Immunology , Washington University School of Medicine , St. Louis , MO , USA
| | - Trude Helen Flo
- a Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences , Norwegian University of Science and Technology , Trondheim , Norway
| | - Geir Bjørkøy
- a Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences , Norwegian University of Science and Technology , Trondheim , Norway.,b Department of Biomedical Laboratory Science, Faculty of Natural Sciences , Norwegian University of Science and Technology , Trondheim , Norway
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12
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Abstract
Autophagy is a potentially inimical pathway and together with apoptosis, may be activated by similar stress stimuli that can lead to cell death. The molecular cues that dictate the cell fate choice between autophagy and apoptosis remain largely unknown. Here we report that the proapoptotic protein BBC3/PUMA (BCL2 binding component 3) is a bona fide substrate of chaperone-mediated autophagy (CMA). BBC3 associates with HSPA8/HSC70 (heat shock 70kDa protein 8), leading to its lysosome translocation and uptake. Inhibition of CMA results in stabilization of BBC3, which in turn sensitizes tumor cells to undergo apoptosis. We further demonstrate that upon TNF (tumor necrosis factor) treatment, IKBKB/IKKβ (inhibitor of kappa light polypeptide gene enhancer in B-cells, kinase β)-mediated BBC3 Ser10 phosphorylation is crucial for BBC3 stabilization via blocking its degradation by CMA. Mechanistically, Ser10 phosphorylation facilitates BBC3 translocation from the cytosol to mitochondria. BBC3 stabilization resulting from either Ser10 phosphorylation or CMA inhibition potentiates TNF-induced apoptotic cell death. Our findings thus reveal that the selective degradation of BBC3 underlies the prosurvival role of CMA and define a previously unappreciated proapoptotic role of IKBKB that acts through phosphorylation-mediated stabilization of BBC3, thereby promoting TNF-triggered apoptosis.
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Affiliation(s)
- Wei Xie
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Lei Zhang
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Haifeng Jiao
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Li Guan
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Junmin Zha
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Xiaotong Li
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Mian Wu
- b Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences; University of Science and Technology of China ; Hefei, Anhui China
| | - Zhanxiang Wang
- c Department of Neurosurgery ; First Affiliated Hospital of Xiamen University; Xiamen, Fujian China
| | - Jiahuai Han
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Han You
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
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13
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Abstract
Autophagy is a potentially inimical pathway and together with apoptosis, may be activated by similar stress stimuli that can lead to cell death. The molecular cues that dictate the cell fate choice between autophagy and apoptosis remain largely unknown. Here we report that the proapoptotic protein BBC3/PUMA (BCL2 binding component 3) is a bona fide substrate of chaperone-mediated autophagy (CMA). BBC3 associates with HSPA8/HSC70 (heat shock 70kDa protein 8), leading to its lysosome translocation and uptake. Inhibition of CMA results in stabilization of BBC3, which in turn sensitizes tumor cells to undergo apoptosis. We further demonstrate that upon TNF (tumor necrosis factor) treatment, IKBKB/IKKβ (inhibitor of kappa light polypeptide gene enhancer in B-cells, kinase β)-mediated BBC3 Ser10 phosphorylation is crucial for BBC3 stabilization via blocking its degradation by CMA. Mechanistically, Ser10 phosphorylation facilitates BBC3 translocation from the cytosol to mitochondria. BBC3 stabilization resulting from either Ser10 phosphorylation or CMA inhibition potentiates TNF-induced apoptotic cell death. Our findings thus reveal that the selective degradation of BBC3 underlies the prosurvival role of CMA and define a previously unappreciated proapoptotic role of IKBKB that acts through phosphorylation-mediated stabilization of BBC3, thereby promoting TNF-triggered apoptosis.
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Affiliation(s)
- Wei Xie
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Lei Zhang
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Haifeng Jiao
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Li Guan
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Junmin Zha
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Xiaotong Li
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Mian Wu
- b Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences; University of Science and Technology of China ; Hefei, Anhui China
| | - Zhanxiang Wang
- c Department of Neurosurgery ; First Affiliated Hospital of Xiamen University; Xiamen, Fujian China
| | - Jiahuai Han
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
| | - Han You
- a State Key laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University ; Xiamen, Fujian China
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14
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Chuang TD, Ho M, Khorram O. The regulatory function of miR-200c on inflammatory and cell-cycle associated genes in SK-LMS-1, a leiomyosarcoma cell line. Reprod Sci 2014; 22:563-71. [PMID: 25305131 DOI: 10.1177/1933719114553450] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Uterine leiomyosarcoma is a relatively rare malignancy with high mortality due to metastasis and chemoresistance. Leiomyosarcomas share similar morphological characteristics with leiomyomas which are considered to have the potential of transformation into leiomyosarcoma. Accumulated evidence suggests that microRNAs acting as regulators of gene expression at the posttranscriptional level play key roles in diverse biological processes including cellular transformation and tumorigenesis. We hypothesized that miR-200c, whose expression is altered in leiomyomas, equally plays a key role in pathogenesis of leiomyosarcoma. Using SK-LMS-1 leiomyosarcoma cell line as an in vitro model here, we found that the level of expression of miR-200c was significantly lower as compared to isolated leiomyoma smooth muscle cells. Overexpression (gain-of-function) of miR-200c in SK-LMS-1 through direct interaction with 3'-untranslated region of IKBKB, IL8, CDK2, and CCNE2, respectively, resulted in suppression of their expression as determined by quantitative polymerase chain reaction and Western blot analysis. Additionally, gain-of-function of miR-200c through inhibition of IKBKB expression resulted in decreased p65 transcriptional activity in IL8 promoter. Gain-of-function of miR-200c also increased SK-LMS-1 caspase 3/7 activity and inhibited their proliferation and migration. In summary, the results suggest that a progressive decline in miR-200c expression which alters transcriptional regulation of specific target genes that control nuclear factor-κB signaling pathway, inflammation, cell cycle, and migration, in part may promote development and progression of leiomyosarcomas, including their transformation from leiomyomas.
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Affiliation(s)
- Tsai-Der Chuang
- Department of Obstetrics and Gynecology, Harbor-UCLA Medical Center and LA Biomed, Torrance, CA, USA
| | - Matthew Ho
- Department of Internal Medicine, Charles Drew University, Los Angeles, CA, USA
| | - Omid Khorram
- Department of Obstetrics and Gynecology, Harbor-UCLA Medical Center and LA Biomed, Torrance, CA, USA
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