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Sun Y, Xu C, Luo J, Li S, Chen S, Cen Y, Xu P. Comprehensive analysis of differential long non-coding RNA and messenger RNA expression in cholelithiasis using high-throughput sequencing and bioinformatics. Front Genet 2024; 15:1375019. [PMID: 38808330 PMCID: PMC11130440 DOI: 10.3389/fgene.2024.1375019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/24/2024] [Indexed: 05/30/2024] Open
Abstract
Background The etiology of gallstone disease (GSD) has not been fully elucidated. Consequently, the primary objective of this study was to scrutinize and provisionally authenticate the distinctive expression profiles of long non-coding RNAs (lncRNAs) and messenger RNAs (mRNAs) in GSD. Methods RiboNucleic Acid (RNA) sequencing was used on four paired human gallbladder samples for the purpose of this study. Differentially expressed lncRNAs (DElncRNAs) and mRNAs (DEmRNAs) were identified and subjected to analysis of their biological functions. The Pearson's correlation coefficients between DElncRNAs and DEmRNAs were computed to construct a co-expression network delineating their associations. Furthermore, both cis- and trans-regulatory networks of selected lncRNAs were established and visualized. Additionally, a competing endogenous RNA (ceRNA) regulatory network was constructed. To validate the RNA-sequencing data, we performed a Quantitative Real-time Polymerase Chain Reaction (RT-qPCR) on 10 paired human gallbladder samples, assessing the expressions of the top 4 DEmRNAs and DElncRNAs in gallstone and control samples. Results A total of 934 DEmRNAs and 304DElncRNAs were successfully identified. Functional enrichment analysis indicated a predominant involvement in metabolic-related biological functions. Correlation analysis revealed a strong association between the expressions of 597 DEmRNAs and 194 DElncRNAs. Subsequently, both a cis-lncRNA-mRNA and a trans-lncRNA-Transcription Factor (TF)-mRNA regulatory network were meticulously constructed. Additionally, a ceRNA network, comprising of 24 DElncRNAs, 201 DEmRNAs, and 120 predicted miRNAs, was established. Furthermore, using RT-qPCR, we observed significant upregulation of AC004692.4, HECW1-IT1, SFRP4, and COMP, while LINC01564, SLC26A3, RP1-27K12.2, and GSTA2 exhibited marked downregulation in gallstone samples. Importantly, these findings were consistent with the sequencing. Conclusion We conducted a screening process to identify DElncRNAs and DEmRNAs in GSD. This approach contributes to a deeper understanding of the genetic factors involved in the etiology of gallstones.
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Affiliation(s)
- Yanbo Sun
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Conghui Xu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
- School of Medicine, Yunnan University, Kunming, China
| | - Jing Luo
- Department of Gastrointestinal Surgery, Qujing No. 1 People’s Hospital, Qujing, Yunnan, China
| | - Shumin Li
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Shi Chen
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yunyun Cen
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Pengyuan Xu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
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Aragoneses-Cazorla G, Alvarez-Fernandez Garcia R, Martinez-Lopez A, Gomez Gomez M, Vallet-Regí M, Castillo-Lluva S, González B, Luque-Garcia JL. Mechanistic insights into the antitumoral potential and in vivo antiproliferative efficacy of a silver-based core@shell nanosystem. Int J Pharm 2024; 655:124023. [PMID: 38513815 DOI: 10.1016/j.ijpharm.2024.124023] [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: 01/08/2024] [Revised: 03/07/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024]
Abstract
This study delves into the biomolecular mechanisms underlying the antitumoral efficacy of a hybrid nanosystem, comprised of a silver core@shell (Ag@MSNs) functionalized with transferrin (Tf). Employing a SILAC proteomics strategy, we identified over 150 de-regulated proteins following exposure to the nanosystem. These proteins play pivotal roles in diverse cellular processes, including mitochondrial fission, calcium homeostasis, endoplasmic reticulum (ER) stress, oxidative stress response, migration, invasion, protein synthesis, RNA maturation, chemoresistance, and cellular proliferation. Rigorous validation of key findings substantiates that the nanosystem elicits its antitumoral effects by activating mitochondrial fission, leading to disruptions in calcium homeostasis, as corroborated by RT-qPCR and flow cytometry analyses. Additionally, induction of ER stress was validated through western blotting of ER stress markers. The cytotoxic action of the nanosystem was further affirmed through the generation of cytosolic and mitochondrial reactive oxygen species (ROS). Finally, in vivo experiments using a chicken embryo model not only confirmed the antitumoral capacity of the nanosystem, but also demonstrated its efficacy in reducing cellular proliferation. These comprehensive findings endorse the potential of the designed Ag@MSNs-Tf nanosystem as a groundbreaking chemotherapeutic agent, shedding light on its multifaceted mechanisms and in vivo applicability.
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Affiliation(s)
- Guillermo Aragoneses-Cazorla
- Department of Analytical Chemistry, Faculty of Chemical Sciences, Complutense University of Madrid, 28040 Madrid, Spain
| | | | - Angelica Martinez-Lopez
- Department of Biochemistry and Molecular Biology, Faculty of Chemical Sciences, Complutense University of Madrid, 28040 Madrid, Spain
| | - Milagros Gomez Gomez
- Department of Analytical Chemistry, Faculty of Chemical Sciences, Complutense University of Madrid, 28040 Madrid, Spain
| | - Maria Vallet-Regí
- Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre (i+12), 28040 Madrid, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Sonia Castillo-Lluva
- Department of Biochemistry and Molecular Biology, Faculty of Chemical Sciences, Complutense University of Madrid, 28040 Madrid, Spain
| | - Blanca González
- Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre (i+12), 28040 Madrid, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Jose L Luque-Garcia
- Department of Analytical Chemistry, Faculty of Chemical Sciences, Complutense University of Madrid, 28040 Madrid, Spain.
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Rao ZZ, Tang ZW, Wen J. Advances in drug resistance of triple negative breast cancer caused by pregnane X receptor. World J Clin Oncol 2023; 14:335-342. [PMID: 37771631 PMCID: PMC10523191 DOI: 10.5306/wjco.v14.i9.335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/17/2023] [Accepted: 08/29/2023] [Indexed: 09/20/2023] Open
Abstract
Breast cancer is the most common malignancy in women worldwide. Triple-negative breast cancer (TNBC), refers breast cancer negative for estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2, characterized by high drug resistance, high metastasis and high recurrence, treatment of which is a difficult problem in the clinical treatment of breast cancer. In order to better treat TNBC clinically, it is a very urgent task to explore the mechanism of TNBC resistance in basic breast cancer research. Pregnane X receptor (PXR) is a nuclear receptor whose main biological function is to participate in the metabolism, transport and clearance of allobiological agents in PXR. PXR plays an important role in drug metabolism and clearance, and PXR is highly expressed in tumor tissues of TNBC patients, which is related to the prognosis of breast cancer patients. This reviews synthesized the important role of PXR in the process of high drug resistance to TNBC chemotherapeutic drugs and related research progress.
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Affiliation(s)
- Zhou-Zhou Rao
- Department of Physiology, Hunan Normal University School of Medicine, Changsha 410003, Hunan Province, China
| | - Zhong-Wen Tang
- Department of Pediatric Orthopedics, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
| | - Jie Wen
- Department of Pediatric Orthopedics, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
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4
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Zhang Z, Kim BS, Han W, Chen X, Yan Y, Lin L, Chai G. Identifying Oxidized Lipid Metabolism-Related LncRNAs as Prognostic Biomarkers of Head and Neck Squamous Cell Carcinoma. J Pers Med 2023; 13:jpm13030488. [PMID: 36983670 PMCID: PMC10054813 DOI: 10.3390/jpm13030488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 03/11/2023] Open
Abstract
The relationship between oxidized lipid metabolism and the immunological function of cancer is well known. However, the functions and regulatory mechanisms of lncRNAs associated with oxidized lipid metabolism in head and neck squamous cell carcinoma (HNSCC) remain to be fully elucidated. In this study, we established an oxidized lipid metabolism-related lncRNA prognostic signature to assess the prognosis and immune infiltration of HNSCC patients. The HNSCC transcriptome was obtained from The Cancer Genome Atlas. The choice of the target genes with a relevance score greater than 10 was performed via a correlation analysis by GeneCards. Patients were categorized by risk score and generated with multivariate Cox regression, which was then validated and evaluated using the Kaplan–Meier analysis and time-dependent receiver operating characteristics (ROC). A nomogram was constructed by combining the risk score with the clinical data. We constructed a risk score with 24 oxidized lipid metabolism-related lncRNAs. The areas’ 1-, 2-, and 3-year OS under the ROC curve (AUC) were 0.765, 0.724, and 0.724, respectively. Furthermore, the nomogram clearly distinguished the survival probabilities of patients in high- and low-risk groups, between which substantial variations were revealed by immune infiltration analysis. The results supported the fact that oxidized lipid metabolism-related lncRNAs might predict prognoses and assist with differentiating amid differences in immune infiltration in HNSCC.
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Zhang Z, Xu L, Huang L, Li T, Wang JY, Ma C, Bian X, Ren X, Li H, Wang X. Glutathione S-Transferase Alpha 4 Promotes Proliferation and Chemoresistance in Colorectal Cancer Cells. Front Oncol 2022; 12:887127. [PMID: 35936694 PMCID: PMC9346510 DOI: 10.3389/fonc.2022.887127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/31/2022] [Indexed: 11/16/2022] Open
Abstract
Glutathione S-transferase alpha 4 (GSTA4) is a phase II detoxifying enzyme that is overexpressed in colorectal cancer (CRC) and regulated by the oncogenic transcription factor AP-1. However, the role of GSTA4 in these CRC cells remains unclear. In this study, we investigated the roles of GSTA4 in the CRC cells by inactivating GSTA4 in HCT116 human CRC cells (Defined as HCT116ΔGSTA4) using the CRISPR/Cas9 gene editing. Cell proliferation, clonogenicity, and susceptibility to chemotherapeutic drugs were analyzed in vitro and in a xenograft model. The results showed that loss of GSTA4 significantly decreased cell proliferation and clonogenicity, whereas it increased intracellular reactive oxygen species and cell susceptibility to 5-fluorouracil (5-FU) and oxaliplatin. Additionally, exposure of HCT116ΔGSTA4 cells to 5-FU increased the expression of γH2AX, a hallmark of double-stranded DNA breaks. In contrast, no remarkably increased γH2AX was noted in oxaliplatin-treated HCT116ΔGSTA4 cells compared with HCT116 cells. Moreover, loss of GSTA4 blocked the AKT and p38 MAPK pathways, leading to proliferative suppression. Finally, the xenograft model showed decreased tumor size for HCT116ΔGSTA4 cells compared with HCT116 cells, confirming in vitro findings. These findings suggest that GSTA4 is capable of promoting proliferation, tumorigenesis, and chemoresistance and is a potential target for CRC therapy.
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Affiliation(s)
- Zhanhu Zhang
- Institute of Genetics and Reproductive Medicine, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Lili Xu
- Institute of Genetics and Reproductive Medicine, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Lin Huang
- Department of Gastroenterology, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Tianqi Li
- Institute of Genetics and Reproductive Medicine, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Jane Y. Wang
- Department of Internal Medicine, Washington University School of Medicine in St. Louis, St. Louis, MO, United States
| | - Chunhua Ma
- Institute of Genetics and Reproductive Medicine, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Xiaoyun Bian
- Department of Gastroenterology, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Xiaoyan Ren
- Department of Pathology, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Haibo Li
- Department of Clinical Laboratory, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
| | - Xingmin Wang
- Institute of Genetics and Reproductive Medicine, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, China
- *Correspondence: Xingmin Wang,
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6
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Glutathione S-transferase A2 promotes hepatocellular carcinoma recurrence after liver transplantation through modulating reactive oxygen species metabolism. Cell Death Discov 2021; 7:188. [PMID: 34290233 PMCID: PMC8295304 DOI: 10.1038/s41420-021-00569-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 06/10/2021] [Accepted: 06/20/2021] [Indexed: 02/08/2023] Open
Abstract
Hepatocellular carcinoma (HCC) recurrence after liver transplantation remains a significant clinical problem. Ischemia-reperfusion injury (IRI) occurred inevitably at the early phase after liver transplantation (LT) spawns a significant risk of HCC recurrence. However, their linkage and IRI-derived risk factors for HCC recurrence remain exclusive. Understanding the mechanism of post-transplantation hepatic injury could provide new strategies to prevent the later event of HCC recurrence. We demonstrated that glutathione S-transferase A2 (GSTA2) expression was significantly associated with early phase hepatic and systemic injury and ROS level after liver transplantation. Early phase circulating GSTA2 (EPCGSTA2) protein was a significant predictor of HCC recurrence and survival. Heterogeneous single nucleotide polymorphism at G335C of GSTA2 was significantly associated with poor survival of HCC recipients. Enhancement of GSTA2 could protect HCC cells against H2O2-induced cell death by compensating for the elevated ROS stress. We also demonstrated that GSTA2 played crucial roles in regulating the ROS-associated JNK and AKT signaling pathways and ROS metabolism in HCCs in responding to a dynamic ROS environment. Functionally, endogenous or exogenous upregulation of GSTA2 could promote HCC growth and invasion through activating the epithelial–mesenchymal-transition process. Targeted inhibition of GSTA2 could suppress HCC growth and metastasis. In conclusion, GSTA2 could be a novel prognostic and therapeutic target to combat HCC recurrence after liver transplantation.
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7
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Tera M, Harati Taji Z, Luedtke NW. Intercalation‐enhanced “Click” Crosslinking of DNA. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Masayuki Tera
- Department of ChemistryUniversity of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
- Bioorganic Research InstituteSuntory Foundation for Life Sciences (SUNBOR) 8-1-1 Seikadai, Seika, Soraku Kyoto 619-0284 Japan
| | - Zahra Harati Taji
- Department of ChemistryUniversity of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Nathan W. Luedtke
- Department of ChemistryUniversity of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
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8
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Tera M, Harati Taji Z, Luedtke NW. Intercalation-enhanced "Click" Crosslinking of DNA. Angew Chem Int Ed Engl 2018; 57:15405-15409. [PMID: 30240107 DOI: 10.1002/anie.201808054] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 08/22/2018] [Indexed: 01/05/2023]
Abstract
DNA-DNA cross-linking agents constitute an important family of chemotherapeutics that non-specifically react with endogenous nucleophiles and therefore exhibit undesirable side effects. Here we report a cationic Sondheimer diyne derivative "DiMOC" that exhibits weak, reversible intercalation into duplex DNA (Kd =15 μm) where it undergoes tandem strain-promoted cross-linking of azide-containing DNA to give DNA-DNA interstrand crosslinks (ICLs) with an exceptionally high apparent rate constant kapp =2.1×105 m-1 s-1 . This represents a 21 000-fold rate enhancement as compared the reaction between DIMOC and 5-(azidomethyl)-2'-deoxyuridine (AmdU) nucleoside. As single agents, 5'-bispivaloyloxymethyl (POM)-AmdU and DiMOC exhibited low cytotoxicity, but highly toxic DNA-DNA ICLs were generated by metabolic incorporation of AmdU groups into cellular DNA, followed by treatment of the cells with DiMOC. These results provide the first examples of intercalation-enhanced bioorthogonal chemical reactions on DNA, and furthermore, the first strain-promoted double click (SPDC) reactions inside of living cells.
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Affiliation(s)
- Masayuki Tera
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland.,Bioorganic Research Institute, Suntory Foundation for Life Sciences (SUNBOR), 8-1-1 Seikadai, Seika, Soraku, Kyoto, 619-0284, Japan
| | - Zahra Harati Taji
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Nathan W Luedtke
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
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9
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Le PM, Silvestri VL, Redstone SC, Dunn JB, Millard JT. Cross-linking by epichlorohydrin and diepoxybutane correlates with cytotoxicity and leads to apoptosis in human leukemia (HL-60) cells. Toxicol Appl Pharmacol 2018; 352:19-27. [PMID: 29792945 DOI: 10.1016/j.taap.2018.05.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 05/09/2018] [Accepted: 05/17/2018] [Indexed: 01/28/2023]
Abstract
The bifunctional alkylating agents epichlorohydrin (ECH) and diepoxybutane (DEB) have been linked to increased cancer risks in industrial workers. These compounds react with DNA and proteins, leading to genotoxic effects. We used the comet assay to monitor formation of cross-links in HL-60 cells treated with ECH, DEB, and the structurally related anti-cancer drug mechlorethamine (HN2). We report a time- and dose-dependent cytotoxicity that correlated with cross-linking activity, following the order HN2 > DEB > ECH. The rate of cross-link repair also varied with drug, with ECH-induced lesions the fastest to repair. High drug doses led to the formation of saturating amounts of HN2 cross-links that were repaired inefficiently. DEB and ECH produced fewer overall cross-links, but some were also resistant to repair. These persistent cross-links may activate cell-cycle arrest to allow repair of damage, with prolonged arrest triggering apoptosis. Quantitative reverse transcription polymerase chain reaction experiments revealed that treatment of HL-60 cells with DEB and ECH results in up-regulation of several genes involved in the intrinsic (mitochondrial) apoptosis pathway, including BAX, BAK1, CASP-9, APAF-1, and BCL-2. These findings contribute to our understanding of the principles underlying the carcinogenic potentials of these xenobiotics.
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Affiliation(s)
- Phuong M Le
- Department of Chemistry, Colby College, Waterville, ME 04901, United States
| | - Vanesa L Silvestri
- Department of Chemistry, Colby College, Waterville, ME 04901, United States
| | - Samuel C Redstone
- Department of Chemistry, Colby College, Waterville, ME 04901, United States
| | - Jordanne B Dunn
- Department of Chemistry, Colby College, Waterville, ME 04901, United States
| | - Julie T Millard
- Department of Chemistry, Colby College, Waterville, ME 04901, United States.
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Zhang X, Zhang Z, Chen S, Zhao D, Zhang F, Hu Z, Xiao F, Ma X. Nitrogen mustard hydrochloride-induced acute respiratory failure and myelosuppression: A case report. Exp Ther Med 2015; 10:1293-1296. [PMID: 26622480 PMCID: PMC4578113 DOI: 10.3892/etm.2015.2664] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Accepted: 07/14/2015] [Indexed: 11/05/2022] Open
Abstract
Nitrogen mustards are chemical agents that are similar to sulfur mustards, with similar toxicities. The present study describes a case of nitrogen mustard-induced acute respiratory failure and myelosuppression in a 33-year-old man. The patient, who was accidentally exposed to nitrogen mustard hydrochloride in a pharmaceutical factory, exhibited severe inhalation injury and respiratory symptoms. Laboratory tests revealed reduced white blood cell counts and lowered platelet levels during the first 6 days after the skin exposure to nitrogen mustard. Following treatment with mechanical ventilation, immunity-enhancing agents and nutritional supplements for 1 month, the patient successfully recovered and was released from hospital.
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Affiliation(s)
- Xiaojuan Zhang
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Zhidan Zhang
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Song Chen
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Dongmei Zhao
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Fangxiao Zhang
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Ziwei Hu
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Feng Xiao
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Xiaochun Ma
- Intensive Care Unit, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
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Laskin JD, Black AT, Jan YH, Sinko PJ, Heindel ND, Sunil V, Heck DE, Laskin DL. Oxidants and antioxidants in sulfur mustard-induced injury. Ann N Y Acad Sci 2010; 1203:92-100. [PMID: 20716289 DOI: 10.1111/j.1749-6632.2010.05605.x] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Sulfur mustard (SM) is a chemical weapon that targets the skin, eyes, and lung. It was first employed during World War I and it remains a significant military and civilian threat. As a bifunctional alkylating agent, SM reacts with a variety of macromolecules in target tissues including nucleic acids, proteins and lipids, as well as small molecular weight metabolites such as glutathione. By alkylating subcellular components, SM disrupts metabolism, a process that can lead to oxidative stress. Evidence for oxidative stress in tissues exposed to SM or its analogs include increased formation of reactive oxygen species, the presence of lipid peroxidation products and oxidized proteins, and increases in antioxidant enzymes such as superoxide dismutase, catalase, and glutathione-S-transferase. Inhibition of antioxidant enzymes including thioredoxin reductase by SM can also disrupt cellular redox homeostasis. Consistent with these findings, SM-induced toxicity has been shown to be reduced by antioxidants in both in vitro and in vivo models. These data indicate that drugs that target oxidative stress pathways may represent important candidates for reducing SM-induced tissue injury.
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Affiliation(s)
- Jeffrey D Laskin
- Department of Environmental and Occupation Medicine, UMDNJ-Robert Wood Johnson Medical School, Piscataway, New Jersey, USA.
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