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Shalwitz R, Day T, Ruehlmann AK, Julio L, Gordon S, Vandeuren A, Nelson M, Lyman M, Kelly K, Altvater A, Ondeck C, O'Brien S, Hamilton T, Hanson RL, Wayman K, Miller A, Shalwitz I, Batchelor E, McNutt P. Treatment of Sulfur Mustard Corneal Injury by Augmenting the DNA Damage Response (DDR): A Novel Approach. J Pharmacol Exp Ther 2024; 388:526-535. [PMID: 37977813 PMCID: PMC10801765 DOI: 10.1124/jpet.123.001686] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 11/19/2023] Open
Abstract
Sulfur mustard (SM) is a highly reactive organic chemical has been used as a chemical warfare agent and terrorist threat since World War I. The cornea is highly sensitive to SM toxicity and exposure to low vapor doses can cause incapacitating acute injuries. Exposure to higher doses can elicit persistent secondary keratopathies that cause reduced quality of life and impaired or lost vision. Despite a century of research, there are no specific treatments for acute or persistent ocular SM injuries. SM cytotoxicity emerges, in part, through DNA alkylation and double-strand breaks (DSBs). Because DSBs can naturally be repaired by DNA damage response pathways with low efficiency, we hypothesized that enhancing the homologous recombination pathway could pose a novel approach to mitigate SM injury. Here, we demonstrate that a dilithium salt of adenosine diphosphoribose (INV-102) increases protein levels of p53 and Sirtuin 6, upregulates transcription of BRCA1/2, enhances γH2AX focus formation, and promotes assembly of repair complexes at DSBs. Based on in vitro evidence showing INV-102 enhancement of DNA damage response through both p53-dependent and p53-independent pathways, we next tested INV-102 in a rabbit preclinical model of corneal injury. In vivo studies demonstrate a marked reduction in the incidence and severity of secondary keratopathies in INV-102-treated eyes compared with vehicle-treated eyes when treatment was started 24 hours after SM vapor exposure. These results suggest DNA repair mechanisms are a viable therapeutic target for SM injury and suggest topical treatment with INV-102 is a promising approach for SM as well as other conditions associated with DSBs. SIGNIFICANCE STATEMENT: Sulfur mustard gas corneal injury currently has no therapeutic treatment. This study aims to show the therapeutic potential of activating the body's natural DNA damage response to activate tissue repair.
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Affiliation(s)
- Robert Shalwitz
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Tovah Day
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Anna Kotsakis Ruehlmann
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Lindsay Julio
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Shellaina Gordon
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Adrianna Vandeuren
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Marian Nelson
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Megan Lyman
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Kyle Kelly
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Amber Altvater
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Celinia Ondeck
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Sean O'Brien
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Tracey Hamilton
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Ryan L Hanson
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Kayla Wayman
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Alexandrea Miller
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Isaiah Shalwitz
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Eric Batchelor
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
| | - Patrick McNutt
- Invirsa, Inc., Columbus, Ohio (R.S., A.K.R., A.M., I.S.); Department of Biology, Northeastern University, Boston, Massachusetts (T.D., L.J., S.G., A.V.); Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota (R.L.H., K.W., E.B.); United States Army Medical Research Institute for Chemical Defense, Gunpowder, Maryland (M.N., M.L., K.K., A.A., C.O., S.O., T.H., P.M.); and Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina (S.O., C.O., P.M.)
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Laskin JD, Ozkuyumcu K, Zhou P, Croutch CR, Heck DE, Laskin DL, Joseph LB. Skin Models Used to Define Mechanisms of Action of Sulfur Mustard. Disaster Med Public Health Prep 2023; 17:e551. [PMID: 37849329 DOI: 10.1017/dmp.2023.177] [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] [Indexed: 10/19/2023]
Abstract
Sulfur mustard (SM) is a threat to both civilian and military populations. Human skin is highly sensitive to SM, causing delayed erythema, edema, and inflammatory cell infiltration, followed by the appearance of large fluid-filled blisters. Skin wound repair is prolonged following blistering, which can result in impaired barrier function. Key to understanding the action of SM in the skin is the development of animal models that have a pathophysiology comparable to humans such that quantitative assessments of therapeutic drugs efficacy can be assessed. Two animal models, hairless guinea pigs and swine, are preferred to evaluate dermal products because their skin is morphologically similar to human skin. In these animal models, SM induces degradation of epidermal and dermal tissues but does not induce overt blistering, only microblistering. Mechanisms of wound healing are distinct in these animal models. Whereas a guinea pig heals by contraction, swine skin, like humans, heals by re-epithelialization. Mice, rats, and rabbits are also used for SM mechanistic studies. However, healing is also mediated by contraction; moreover, only microblistering is observed. Improvements in animal models are essential for the development of therapeutics to mitigate toxicity resulting from dermal exposure to SM.
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Affiliation(s)
- Jeffrey D Laskin
- Department of Environmental and Occupational Health and Justice, Rutgers University School of Public Health, Piscataway, NJ, USA
| | - Kevin Ozkuyumcu
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Piscataway, NJ, USA
| | - Peihong Zhou
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Piscataway, NJ, USA
| | | | - Diane E Heck
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Piscataway, NJ, USA
| | - Debra L Laskin
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Piscataway, NJ, USA
| | - Laurie B Joseph
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Piscataway, NJ, USA
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Soleimani M, Momenaei B, Baradaran-Rafii A, Cheraqpour K, An S, Ashraf MJ, Abedi F, Javadi MA, Djalilian AR. Mustard Gas-Induced Ocular Surface Disorders: An Update on the Pathogenesis, Clinical Manifestations, and Management. Cornea 2023; 42:776-786. [PMID: 36729713 PMCID: PMC10164045 DOI: 10.1097/ico.0000000000003182] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 09/12/2022] [Indexed: 02/03/2023]
Abstract
PURPOSE Mustard gas (MG) is a potent blistering and alkylating agent that has been used for military and terrorism purposes. Ocular surface injuries are common after exposure to MG. This review provides an update on the pathophysiology, ocular surface complications, and treatment options for MG-related ocular injuries. METHODS Required information was obtained by reviewing various databases such as Cochrane Library, Google Scholar, and PubMed until March 2022. Data were collected by using keywords: "mustard gas" OR "sulfur mustard" AND "eye" OR "cornea" OR "ocular complication" OR "keratitis" OR "keratopathy" OR "limbal stem cell deficiency" OR "dry eye." RESULTS Chronic intracellular toxicity, inflammation, and ischemia have been shown to play an essential role in the pathogenesis of MG injury. Ocular surface injuries can have acute, chronic, and most distinctly a delayed-onset presentation leading to various degrees of limbal stem cell deficiency. To date, no treatment has been agreed on as the standard treatment for chronic/delayed-onset MG keratopathy. Based on the authors' experience, we propose a management algorithm for MG-related ocular surface injuries involving optimization of ocular health, anti-inflammatory therapy, and if needed surgical interventions. The management of chronic and delayed-onset presentation remains challenging. CONCLUSIONS MG keratopathy is a unique form of chemical injury which can lead to a range of ocular surface pathologies. Long-term anti-inflammatory therapy even in patients with seemingly mild disease may potentially reduce the likelihood of the development of more severe delayed-onset disease.
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Affiliation(s)
- Mohammad Soleimani
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Bita Momenaei
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Baradaran-Rafii
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of ophthalmology, Morsani College of Medicine, University of South Florida, Tampa, Florida, USA
| | - Kasra Cheraqpour
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Seungwon An
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Mohammad Javad Ashraf
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Farshad Abedi
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Mohammad Ali Javadi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali R. Djalilian
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
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McNutt P. Progress towards a standardized model of ocular sulfur mustard injury for therapeutic testing. Exp Eye Res 2023; 228:109395. [PMID: 36731603 PMCID: PMC9975063 DOI: 10.1016/j.exer.2023.109395] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/25/2023] [Accepted: 01/28/2023] [Indexed: 02/01/2023]
Abstract
Sulfur mustard (SM) remains a highly dangerous chemical weapon capable of producing mass casualties through liquid or vapor exposure. The cornea is highly sensitive to SM toxicity and exposure to low vapor doses can cause incapacitating acute injuries. At higher doses, corneas fail to fully heal and subsequently develop a constellation of symptoms known as mustard gas keratopathy (MGK) that causes reduced quality of life and impaired or lost vision. Despite a century of research, there are no specific treatments for acute or persistent ocular SM injuries. Here I summarize toxicological, clinical and pathophysiological mechanisms of SM vapor injury in the cornea, describe a preclinical model of ocular SM vapor exposure for reproducible therapeutic studies, and propose new approaches to improve evaluation of therapeutic effects. I also describe recent findings illustrating the delayed development of a transient but severe recurrent corneal lesion that, in turn, triggers the emergence of secondary keratopathies characteristic of the chronic form of MGK. Development of this recurrent lesion is SM dose-dependent, although the severity of the recurrent lesion appears SM dose-independent. Similar recurrent lesions have been reported in multiple species, including humans. Given the mechanistic relationship between the recurrent lesion and chronic, secondary keratopathies, I hypothesize that preventing the development of the recurrent lesion represents a novel and potentially valuable therapeutic approach for treatment of severe corneal SM injuries. Although ocular exposure to SM vapor continues to be a challenging therapeutic target, establishing consistent and reproducible models of corneal injury that enhance mechanistic and pathophysiological understanding will help satisfy regulatory requirements and accelerate the development of effective therapies.
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Affiliation(s)
- Patrick McNutt
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, 391 Technology Way, Winston Salem, NC, 27101, USA.
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Kidney Cyst Lining Epithelial Cells Are Resistant to Low-Dose Cisplatin-Induced DNA Damage in a Preclinical Model of Autosomal Dominant Polycystic Kidney Disease. Int J Mol Sci 2022; 23:ijms232012547. [PMID: 36293397 PMCID: PMC9603998 DOI: 10.3390/ijms232012547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/05/2022] [Accepted: 10/13/2022] [Indexed: 11/17/2022] Open
Abstract
Increased DNA damage response (DDR) signaling in kidney cyst-lining epithelial cells (CECs) may provide an opportunity for cell-specific therapeutic targeting in autosomal dominant polycystic kidney disease (ADPKD). We hypothesized that inhibiting ataxia telangiectasia mutated (ATM; a proximal DDR kinase) together with low-dose cisplatin overwhelms the DDR response and leads to selective apoptosis of cyst-lining epithelial cells (CECs). Pkd1RC/RC/Atm+/− mice were treated with either vehicle or a single low-dose cisplatin, and the acute effects on CECs (DNA damage and apoptosis) after 72 h and chronic effects on progression (cyst size, inflammation, fibrosis) after 3 weeks were investigated. At 72 h, cisplatin caused a dose-dependent increase in γH2AX-positive nuclei in both CECs and non-cystic tubules but did not cause selective apoptosis in Pkd1RC/RC/Atm+/− mice. Moreover, the increase in γH2AX-positive nuclei was 1.7-fold lower in CECs compared to non-cystic epithelial cells (p < 0.05). Low-dose cisplatin also did not alter long-term disease progression in Pkd1RC/RC/Atm+/− mice. In vitro, human ADPKD cyst-derived cell lines were also resistant to cisplatin (WT9-12: 61.7 ± 4.6%; WT9-7: 64.8 ± 2.7% cell viability) compared to HK-2 (25.1 ± 4.2%), and 3D cyst growth in MDCK cells was not altered. Finally, combined low-dose cisplatin with AZD0156 (an ATM inhibitor) non-selectively reduced γH2AX in both cystic and non-cystic tubular cells and exacerbated cystic kidney disease. In conclusion, these data suggest that CECs are resistant to DNA damage, and that the combination of cisplatin with ATM inhibitors is not an effective strategy for selectively eliminating kidney cysts in ADPKD.
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Jha JS, Yin J, Haldar T, Wang Y, Gates KS. Reconsidering the Chemical Nature of Strand Breaks Derived from Abasic Sites in Cellular DNA: Evidence for 3'-Glutathionylation. J Am Chem Soc 2022; 144:10471-10482. [PMID: 35612610 DOI: 10.1021/jacs.2c02703] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The hydrolytic loss of coding bases from cellular DNA is a common and unavoidable reaction. The resulting abasic sites can undergo β-elimination of the 3'-phosphoryl group to generate a strand break with an electrophilic α,β-unsaturated aldehyde residue on the 3'-terminus. The work reported here provides evidence that the thiol residue of the cellular tripeptide glutathione rapidly adds to the alkenal group on the 3'-terminus of an AP-derived strand break. The resulting glutathionylated adduct is the only major cleavage product observed when β-elimination occurs at an AP site in the presence of glutathione. Formation of the glutathionylated cleavage product is reversible, but in the presence of physiological concentrations of glutathione, the adduct persists for days. Biochemical experiments provided evidence that the 3'-phosphodiesterase activity of the enzyme apurinic/apyrimidinic endonuclease (APE1) can remove the glutathionylated sugar remnant from an AP-derived strand break to generate the 3'OH residue required for repair via base excision or single-strand break repair pathways. The results suggest that a previously unrecognized 3'glutathionylated sugar remnant─and not the canonical α,β-unsaturated aldehyde end group─may be the true strand cleavage product arising from β-elimination at an abasic site in cellular DNA. This work introduces the 3'glutathionylated cleavage product as the major blocking group that must be trimmed to enable repair of abasic site-derived strand breaks by the base excision repair or single-strand break repair pathways.
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Gros-Désormeaux F, Caffin F, Igert A, Guatto N, Piérard C. Is CEES a good analog of sulfur mustard? Macroscopic aspect, histology, and molecular biology comparisons between sulfur mustard and CEES-induced skin lesions. Toxicol Lett 2022; 361:21-28. [PMID: 35341927 DOI: 10.1016/j.toxlet.2022.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/22/2022] [Accepted: 03/22/2022] [Indexed: 11/19/2022]
Abstract
Sulfur mustard (SM) is a chemical blistering warfare agent affecting multiple organs. SM is an ongoing chemical threat in addition to the accidental risk associated with World War I buried shells. As no specific treatments are available, only symptomatic therapies can be used. To test new medical countermeasures in standard laboratories, analogs such as 2-chloroethyl ethylsulfide (CEES) are currently used, although only a few studies compare its clinical effects with SM. In the present paper, skin lesions induced by SM and CEES are compared in terms of their macroscopic aspects, histology, and molecular biology to evaluate the pertinence of CEES as a SM analog. For this purpose, an in vivo model of CEES vapor exposure, similar to that of SM, is described in this paper. RESULTS: showed similar skin lesions with CEES and SM but with slight differences in the apparition delay and intensity of the lesions. Indeed, SM induced earlier, deeper, and stronger lesions. However, the same healing status was observed at the end of the study period (14 days). In conclusion, CEES appears a relevant analog of SM, leading to similar skin lesions. The CEES vapor exposure model therefore seems suitable for testing new medical countermeasures.
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Affiliation(s)
- Fanny Gros-Désormeaux
- Département de Toxicologie et Risques Chimiques - Unité Vésicants, Institut de Recherche Biomédicale des Armées (IRBA), 1 place du Général Valérie André, 91220 Brétigny sur Orge, France.
| | - Fanny Caffin
- Département de Toxicologie et Risques Chimiques - Unité Vésicants, Institut de Recherche Biomédicale des Armées (IRBA), 1 place du Général Valérie André, 91220 Brétigny sur Orge, France
| | - Alexandre Igert
- Département de Toxicologie et Risques Chimiques - Unité Vésicants, Institut de Recherche Biomédicale des Armées (IRBA), 1 place du Général Valérie André, 91220 Brétigny sur Orge, France
| | - Nathalie Guatto
- Département des Plateformes et Recherches Technologiques - Unité Imagerie, Institut de Recherche Biomédicale des Armées (IRBA), 1 place du Général Valérie André, 91220 Brétigny sur Orge, France
| | - Christophe Piérard
- Département de Toxicologie et Risques Chimiques - Unité Vésicants, Institut de Recherche Biomédicale des Armées (IRBA), 1 place du Général Valérie André, 91220 Brétigny sur Orge, France
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8
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Sawyer TW, Wang Y, Song Y, Villanueva M, Jimenez A. Sulphur mustard induces progressive toxicity and demyelination in brain cell aggregate culture. Neurotoxicology 2021; 84:114-124. [PMID: 33753116 DOI: 10.1016/j.neuro.2021.03.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/17/2021] [Accepted: 03/17/2021] [Indexed: 10/21/2022]
Abstract
Sulphur mustard (H; bis(2-chloroethyl) sulphide) is a vesicant chemical warfare (CW) agent that has been well documented as causing acute injury to the skin, eyes and respiratory system. Although a great deal of research effort has been expended to understand how H exerts these effects, its mechanism of action is still poorly understood. At high exposures, H also causes systemic toxicity with chronic and long-term effects to the immune, cardiovascular and central nervous systems, and these aspects of H poisoning are much less studied and comprehended. Rat aggregate cultures comprised of multiple brain cell types were exposed to H and followed for four weeks post-exposure to assess neurotoxicity. Toxicity (LDH, caspase-3 and aggregate diameter) was progressive with time post-exposure. In addition, statistically significant changes in neurofilament heavy chain (NFH), glial fibrillary acidic protein (GFAP), Akt phosphorylation, IL-6, GRO-KC and TNF-α were noted that were time- and concentration-dependent. Myelin basic protein, CNPase and vascular endothelial growth factor (VEGF) were found to be especially sensitive to H exposure in a time- and concentration-dependent fashion, with levels falling to ∼50 % of control values at ∼10 μM H by 8 days post-exposure. Demyelination and VEGF inhibition may be causal in the long-term neuropsychological illnesses that have been documented in casualties exposed to high concentrations of H, and may also play a role in the peripheral neuropathy that has been observed in some of these individuals.
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Affiliation(s)
- Thomas W Sawyer
- Defence Research & Development Canada, Suffield Research Centre, Box 4000, Medicine Hat, Alberta, T1A 8K6, Canada.
| | - Yushan Wang
- Defence Research & Development Canada, Suffield Research Centre, Box 4000, Medicine Hat, Alberta, T1A 8K6, Canada
| | - Yanfeng Song
- Defence Research & Development Canada, Suffield Research Centre, Box 4000, Medicine Hat, Alberta, T1A 8K6, Canada
| | - Mercy Villanueva
- Defence Research & Development Canada, Suffield Research Centre, Box 4000, Medicine Hat, Alberta, T1A 8K6, Canada
| | - Andres Jimenez
- Defence Research & Development Canada, Suffield Research Centre, Box 4000, Medicine Hat, Alberta, T1A 8K6, Canada
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9
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Cheng X, Liu C, Yang Y, Liang L, Chen B, Yu H, Xia J, Liu S, Li Y. Advances in sulfur mustard-induced DNA adducts: Characterization and detection. Toxicol Lett 2021; 344:46-57. [PMID: 33705862 DOI: 10.1016/j.toxlet.2021.03.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 03/03/2021] [Accepted: 03/04/2021] [Indexed: 12/20/2022]
Abstract
Sulfur mustard (SM) is a blister chemical warfare agent with severe cytotoxicity and genotoxicity. It can extensively alkylate important macromolecules in organisms, such as proteins, DNA, and lipids, and produce a series of metabolites, among which the characteristic ones can be used as biomarkers. The exact toxicological mechanisms of SM remain unclear but mainly involve the DNA lesions induced by alkylation and oxidative stress caused by glutathione depletion. Various methods have been used to analyze DNA damage caused by SM. Among these methods, liquid chromatography-tandem mass spectrometry (LC-MS/MS) technology stands out and makes it possible to observe damage in view of biomarkers induced by SM. Sample preparation is critical for detection by LC-MS/MS and mainly includes DNA isolation, adduct hydrolysis, and adduct purification. Moreover, optimization of chromatographic conditions, selection of MS transitions, and quantitative strategies are also essential. SM-DNA adducts are generally considered to be N7-HETEG, O6-HETEG, N7-BisG, and N3-HETEA. This article proposes some other possibilities of SM-DNA adducts for the identification of SM genotoxicity.
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Affiliation(s)
- Xi Cheng
- Department of Biology and Chemistry, College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, 410073, PR China; State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China
| | - Changcai Liu
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China
| | - Yang Yang
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China
| | - Longhui Liang
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China
| | - Bo Chen
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China
| | - Huilan Yu
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China
| | - Junmei Xia
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China
| | - Shilei Liu
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, PR China.
| | - Yihe Li
- Department of Biology and Chemistry, College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, 410073, PR China.
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10
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Roser M, Béal D, Eldin C, Gudimard L, Caffin F, Gros-Désormeaux F, Léonço D, Fenaille F, Junot C, Piérard C, Douki T. Glutathione conjugates of the mercapturic acid pathway and guanine adduct as biomarkers of exposure to CEES, a sulfur mustard analog. Anal Bioanal Chem 2021; 413:1337-1351. [PMID: 33410976 DOI: 10.1007/s00216-020-03096-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/23/2020] [Accepted: 11/25/2020] [Indexed: 12/20/2022]
Abstract
Sulfur mustard (SM), a chemical warfare agent, is a strong alkylating compound that readily reacts with numerous biomolecules. The goal of the present work was to define and validate new biomarkers of exposure to SM that could be easily accessible in urine or plasma. Because investigations using SM are prohibited by the Organisation for the Prohibition of Chemical Weapons, we worked with 2-chloroethyl ethyl sulfide (CEES), a monofunctional analog of SM. We developed an ultra-high-pressure liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) approach to the conjugate of CEES to glutathione and two of its metabolites: the cysteine and the N-acetylcysteine conjugates. The N7-guanine adduct of CEES (N7Gua-CEES) was also targeted. After synthesizing the specific biomarkers, a solid-phase extraction protocol and a UHPLC-MS/MS method with isotopic dilution were optimized. We were able to quantify N7Gua-CEES in the DNA of HaCaT keratinocytes and of explants of human skin exposed to CEES. N7Gua-CEES was also detected in the culture medium of these two models, together with the glutathione and the cysteine conjugates. In contrast, the N-acetylcysteine conjugate was not detected. The method was then applied to plasma from mice cutaneously exposed to CEES. All four markers could be detected. Our present results thus validate both the analytical technique and the biological relevance of new, easily quantifiable biomarkers of exposure to CEES. Because CEES behaves very similar to SM, the results are promising for application to this toxic of interest.
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Affiliation(s)
- Marie Roser
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 38000, Grenoble, France
| | - David Béal
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 38000, Grenoble, France
| | - Camille Eldin
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 38000, Grenoble, France
| | - Leslie Gudimard
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 38000, Grenoble, France
| | - Fanny Caffin
- Institut de Recherche Biomédicale des Armées (IRBA), 91223, Brétigny-sur-Orge, France
| | - Fanny Gros-Désormeaux
- Institut de Recherche Biomédicale des Armées (IRBA), 91223, Brétigny-sur-Orge, France
| | - Daniel Léonço
- Département Médicaments et Technologies pour la Santé (DMTS), MetaboHUB, Université Paris-Saclay, CEA, INRAE, 91191, Gif-sur-Yvette, France
| | - François Fenaille
- Département Médicaments et Technologies pour la Santé (DMTS), MetaboHUB, Université Paris-Saclay, CEA, INRAE, 91191, Gif-sur-Yvette, France
| | - Christophe Junot
- Département Médicaments et Technologies pour la Santé (DMTS), MetaboHUB, Université Paris-Saclay, CEA, INRAE, 91191, Gif-sur-Yvette, France
| | - Christophe Piérard
- Institut de Recherche Biomédicale des Armées (IRBA), 91223, Brétigny-sur-Orge, France
| | - Thierry Douki
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 38000, Grenoble, France.
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11
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Chromatographic analysis of chemical warfare agents and their metabolites in biological samples. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115960] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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12
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Emambocus S, Rhyman L, Ramasami P. Theoretical Study of the Microhydration the Chemical Warfare Agent Sulfur Mustard. ACS OMEGA 2020; 5:1822-1831. [PMID: 32039318 PMCID: PMC7003240 DOI: 10.1021/acsomega.9b03061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 12/31/2019] [Indexed: 06/10/2023]
Abstract
A microhydration study of sulfur mustard (SM) was carried out using M06-2X, B3LYP, B3LYP-D3, and MP2 levels of theory with the 6-311++G(2d,2p) basis set. The changes in energetics, structural parameters and vibrational wavenumbers following the addition of up to three discrete water molecules to SM were analyzed. We observed slight changes in the geometry of SM upon microhydration. The stability of hydrated clusters is due to weak C-H···O-H hydrogen bonds. The free energy change for the formation of the clusters is positive at room temperature and becomes exergonic when the temperature decreases. The infrared stretchings of C-Cl of SM and O-H of water are redshifted upon the addition of water molecules. The findings from this work add to the literature of hydrated SM and can be useful in its detection and subsequent destruction.
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Affiliation(s)
- Shëyhaane
A. Emambocus
- Computational
Chemistry Group, Department of Chemistry, Faculty of Science, University of Mauritius, Réduit 80837, Mauritius
| | - Lydia Rhyman
- Computational
Chemistry Group, Department of Chemistry, Faculty of Science, University of Mauritius, Réduit 80837, Mauritius
- Department
of Chemical Sciences, University of Johannesburg, PO Box 17011, Doornfontein, Johannesburg 2028, South Africa
| | - Ponnadurai Ramasami
- Computational
Chemistry Group, Department of Chemistry, Faculty of Science, University of Mauritius, Réduit 80837, Mauritius
- Department
of Chemical Sciences, University of Johannesburg, PO Box 17011, Doornfontein, Johannesburg 2028, South Africa
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13
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Protective effects of polydatin against sulfur mustard-induced hepatic injury. Toxicol Appl Pharmacol 2019; 367:1-11. [DOI: 10.1016/j.taap.2019.01.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 01/16/2019] [Accepted: 01/20/2019] [Indexed: 12/17/2022]
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14
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Beigi Harchegani A, Khor A, Tahmasbpour E, Ghatrehsamani M, Bakhtiari Kaboutaraki H, Shahriary A. Role of oxidative stress and antioxidant therapy in acute and chronic phases of sulfur mustard injuries: a review. Cutan Ocul Toxicol 2018; 38:9-17. [DOI: 10.1080/15569527.2018.1495230] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Asghar Beigi Harchegani
- Chemical Injuries Research Center, Systems biology and poisonings institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Abolfazl Khor
- Chemical Injuries Research Center, Systems biology and poisonings institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Eisa Tahmasbpour
- Laboratory of Regenerative Medicine & Biomedical Innovations, Pasteur Institute of Iran, Tehran, Iran
| | - Mahdi Ghatrehsamani
- Cellular and Molecular Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Hamid Bakhtiari Kaboutaraki
- Chemical Injuries Research Center, Systems biology and poisonings institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Alireza Shahriary
- Chemical Injuries Research Center, Systems biology and poisonings institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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15
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Zubel T, Bürkle A, Mangerich A. Mass spectrometric analysis of sulfur mustard-induced biomolecular adducts: Are DNA adducts suitable biomarkers of exposure? Toxicol Lett 2018; 293:21-30. [DOI: 10.1016/j.toxlet.2017.12.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 12/10/2017] [Accepted: 12/20/2017] [Indexed: 11/25/2022]
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16
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Richterova M, Stetina R, Jost P, Svobodova H, Rehacek V, Kassa J. Inter strand crosslinks in DNA induced in vivo by percutaneous application of sulphur mustard to rats and mice. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2018; 832-833:35-40. [DOI: 10.1016/j.mrgentox.2018.06.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 06/06/2018] [Accepted: 06/06/2018] [Indexed: 10/14/2022]
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17
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Bielmann A, Sambiagio N, Wehr N, Gerber-Lemaire S, Bochet CG, Curty C. Synthesis of different glutathione–sulfur mustard adducts of verified and potential biomarkers. RSC Adv 2018; 8:23881-23890. [PMID: 35540271 PMCID: PMC9081735 DOI: 10.1039/c8ra03360a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/15/2018] [Indexed: 11/21/2022] Open
Abstract
Recently, several adducts between the chemical agent sulfur mustard (SM) and glutathione (GSH) were observed in vitro. We report the synthesis of different observed and potential GSH–SM bioadducts as reference materials for analytical investigation.
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Affiliation(s)
- Andreas Bielmann
- Spiez Laboratory
- Switzerland
- University of Fribourg
- Departement of Chemistry
- 1700 Fribourg
| | - Nicolas Sambiagio
- Spiez Laboratory
- Switzerland
- École Polytechnique Fédérale de Lausanne
- Institute of Chemical Sciences and Engineering
- 1015 Lausanne
| | - Nathalie Wehr
- Spiez Laboratory
- Switzerland
- University of Fribourg
- Departement of Chemistry
- 1700 Fribourg
| | - Sandrine Gerber-Lemaire
- École Polytechnique Fédérale de Lausanne
- Institute of Chemical Sciences and Engineering
- 1015 Lausanne
- Switzerland
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18
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Rose D, Schmidt A, Brandenburger M, Sturmheit T, Zille M, Boltze J. Sulfur mustard skin lesions: A systematic review on pathomechanisms, treatment options and future research directions. Toxicol Lett 2017; 293:82-90. [PMID: 29203275 DOI: 10.1016/j.toxlet.2017.11.039] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/27/2017] [Accepted: 11/28/2017] [Indexed: 12/13/2022]
Abstract
Sulfur mustard (SM) is a chemical warfare, which has been used for one hundred years. However, its exact pathomechanisms are still incompletely understood and there is no specific therapy available so far. In this systematic review, studies published between January 2000 and July 2017 involving pathomechanisms and experimental treatments of SM-induced skin lesions were analyzed to summarize current knowledge on SM pathology, to provide an overview on novel treatment options, and to identify promising targets for future research to more effectively counter SM effects. We suggest that future studies should focus on (I) systemic effects of SM intoxication due to its distribution throughout the body, (II) removal of SM depots that continuously release active compound contributing to chronic skin damage, and (III) therapeutic options that counteract the pleiotropic effects of SM.
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Affiliation(s)
- Dorothee Rose
- Department of Translational Medicine and Cell Technology, Fraunhofer Research Institution for Marine Biotechnology and Cell Technology, Mönkhofer Weg 239a, 23562, Lübeck, Germany; Institute of Medical and Marine Biotechnology, University of Lübeck, Ratzeburger Allee 160, 23652, Lübeck, Germany
| | - Annette Schmidt
- Bundeswehr Institute of Pharmacology and Toxicology, Neuherbergstraße 11, 80937, Munich, Germany; Universität der Bundeswehr, Fakultät für Humanwissenschaften, Department für Sportwissenschaft, Werner-Heisenberg-Weg 39, 85577, Neubiberg, Germany.
| | - Matthias Brandenburger
- Department of Translational Medicine and Cell Technology, Fraunhofer Research Institution for Marine Biotechnology and Cell Technology, Mönkhofer Weg 239a, 23562, Lübeck, Germany; Institute of Medical and Marine Biotechnology, University of Lübeck, Ratzeburger Allee 160, 23652, Lübeck, Germany
| | - Tabea Sturmheit
- Department of Translational Medicine and Cell Technology, Fraunhofer Research Institution for Marine Biotechnology and Cell Technology, Mönkhofer Weg 239a, 23562, Lübeck, Germany; Institute of Medical and Marine Biotechnology, University of Lübeck, Ratzeburger Allee 160, 23652, Lübeck, Germany
| | - Marietta Zille
- Department of Translational Medicine and Cell Technology, Fraunhofer Research Institution for Marine Biotechnology and Cell Technology, Mönkhofer Weg 239a, 23562, Lübeck, Germany; Institute of Medical and Marine Biotechnology, University of Lübeck, Ratzeburger Allee 160, 23652, Lübeck, Germany; Institute for Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany
| | - Johannes Boltze
- Department of Translational Medicine and Cell Technology, Fraunhofer Research Institution for Marine Biotechnology and Cell Technology, Mönkhofer Weg 239a, 23562, Lübeck, Germany; Institute of Medical and Marine Biotechnology, University of Lübeck, Ratzeburger Allee 160, 23652, Lübeck, Germany
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19
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Neglected role of hydrogen sulfide in sulfur mustard poisoning: Keap1 S-sulfhydration and subsequent Nrf2 pathway activation. Sci Rep 2017; 7:9433. [PMID: 28842592 PMCID: PMC5572733 DOI: 10.1038/s41598-017-09648-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 07/28/2017] [Indexed: 01/22/2023] Open
Abstract
Sulfur mustard (SM) is a chemical warfare agent and a terrorism choice that targets various organs and tissues, especially lung tissues. Its toxic effects are tightly associated with oxidative stress. The signaling molecule hydrogen sulfide (H2S) protects the lungs against oxidative stress and activates the NF-E2 p45-related factor 2 (Nrf2) pathway. Here, we sought to establish whether endogenous H2S plays a role in SM induced lesion in mouse lungs and lung cells and whether endogenous H2S plays the role through Nrf2 pathway to protect against SM-induced oxidative damage. Furthermore, we also explored whether activation of Nrf2 by H2S involves sulfhydration of Kelch-like ECH-associated protein-1 (Keap1). Using a mouse model of SM-induced lung injury, we demonstrated that SM-induced attenuation of the sulfide concentration was prevented by NaHS. Concomitantly, NaHS attenuates SM-induced oxidative stress. We also found that H2S enhanced Nrf2 nuclear translocation, and stimulated expression of Nrf2-targeted downstream protein and mRNA levels. Incubation of the lung cells with NaHS decreased SM-induced ROS production. Furthermore, we also found that H2S S-sulfhydrated Keap1, which induced Nrf2 dissociation from Keap1, and enhanced Nrf2 nuclear translocation. Our data indicate that H2S is a critical, however, being long neglected signal molecule in SM-induced lung injury.
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20
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McElroy CS, Min E, Huang J, Loader JE, Hendry-Hofer TB, Garlick RB, Rioux JS, Veress LA, Smith R, Osborne C, Anderson DR, Holmes WW, Paradiso DC, White CW, Day BJ. From the Cover: Catalytic Antioxidant Rescue of Inhaled Sulfur Mustard Toxicity. Toxicol Sci 2016; 154:341-353. [PMID: 27605419 DOI: 10.1093/toxsci/kfw170] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Sulfur mustard (bis 2-chloroethyl ethyl sulfide, SM) is a powerful bi-functional vesicating chemical warfare agent. SM tissue injury is partially mediated by the overproduction of reactive oxygen species resulting in oxidative stress. We hypothesized that using a catalytic antioxidant (AEOL 10150) to alleviate oxidative stress and secondary inflammation following exposure to SM would attenuate the toxic effects of SM inhalation. Adult male rats were intubated and exposed to SM (1.4 mg/kg), a dose that produces an LD50 at approximately 24 h. Rats were randomized and treated via subcutaneous injection with either sterile PBS or AEOL 10150 (5 mg/kg, sc, every 4 h) beginning 1 h post-SM exposure. Rats were euthanized between 6 and 48 h after exposure to SM and survival and markers of injury were determined. Catalytic antioxidant treatment improved survival after SM inhalation in a dose-dependent manner, up to 52% over SM PBS at 48 h post-exposure. This improvement was sustained for at least 72 h after SM exposure when treatments were stopped after 48 h. Non-invasive monitoring throughout the duration of the studies also revealed blood oxygen saturations were improved by 10% and clinical scores were reduced by 57% after SM exposure in the catalytic antioxidant treatment group. Tissue analysis showed catalytic antioxidant therapy was able to decrease airway cast formation by 69% at 48 h post-exposure. To investigate antioxidant induced changes at the peak of injury, several biomarkers of oxidative stress and inflammation were evaluated at 24 h post-exposure. AEOL 10150 attenuated SM-mediated lung lipid oxidation, nitrosative stress and many proinflammatory cytokines. The findings indicate that catalytic antioxidants may be useful medical countermeasure against inhaled SM exposure.
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Affiliation(s)
- Cameron S McElroy
- Department of Pharmaceutical Sciences, University of Colorado, Aurora, Colorado 80045.,Department of Medicine, National Jewish Health, Denver, Colorado 80206
| | - Elysia Min
- Department of Medicine, National Jewish Health, Denver, Colorado 80206
| | - Jie Huang
- Department of Medicine, National Jewish Health, Denver, Colorado 80206
| | - Joan E Loader
- Department of Pediatrics, University of Colorado, Aurora, Colorado 80045
| | | | - Rhonda B Garlick
- Department of Pediatrics, University of Colorado, Aurora, Colorado 80045
| | - Jackie S Rioux
- Department of Pediatrics, University of Colorado, Aurora, Colorado 80045
| | - Livia A Veress
- Department of Pediatrics, University of Colorado, Aurora, Colorado 80045
| | - Russell Smith
- Department of Pediatrics, University of Colorado, Aurora, Colorado 80045
| | - Chris Osborne
- Department of Pediatrics, University of Colorado, Aurora, Colorado 80045
| | - Dana R Anderson
- Analytical Toxicology Division, Proving Grounds United States Army Medical Research Institute of Chemical Defense (USAMRICD), Aberdeen, Maryland 21010
| | - Wesley W Holmes
- Analytical Toxicology Division, Proving Grounds United States Army Medical Research Institute of Chemical Defense (USAMRICD), Aberdeen, Maryland 21010
| | - Danielle C Paradiso
- Analytical Toxicology Division, Proving Grounds United States Army Medical Research Institute of Chemical Defense (USAMRICD), Aberdeen, Maryland 21010
| | - Carl W White
- Department of Pharmaceutical Sciences, University of Colorado, Aurora, Colorado 80045.,Department of Pediatrics, University of Colorado, Aurora, Colorado 80045
| | - Brian J Day
- Department of Pharmaceutical Sciences, University of Colorado, Aurora, Colorado 80045 .,Department of Medicine, National Jewish Health, Denver, Colorado 80206
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21
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Joseph LB, Composto GM, Heck DE. Tissue injury and repair following cutaneous exposure of mice to sulfur mustard. Ann N Y Acad Sci 2016; 1378:118-123. [PMID: 27371823 DOI: 10.1111/nyas.13125] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 05/09/2016] [Accepted: 05/11/2016] [Indexed: 12/12/2022]
Abstract
In mouse skin, sulfur mustard (SM) is a potent vesicant, damaging both the epidermis and the dermis. The extent of wounding is dependent on the dose of SM and the duration of exposure. Initial responses include erythema, pruritus, edema, and xerosis; this is followed by an accumulation of inflammatory leukocytes in the tissue, activation of mast cells, and the release of mediators, including proinflammatory cytokines and bioactive lipids. These proinflammatory mediators contribute to damaging the epidermis, hair follicles, and sebaceous glands and to disruption of the epidermal basement membrane. This can lead to separation of the epidermis from the dermis, resulting in a blister, which ruptures, leading to the formation of an eschar. The eschar stimulates the formation of a neoepidermis and wound repair and may result in persistent epidermal hyperplasia. Epidermal damage and repair is associated with upregulation of enzymes generating proinflammatory and pro-growth/pro-wound healing mediators, including cyclooxygenase-2, which generates prostanoids, inducible nitric oxide synthase, which generates nitric oxide, fibroblast growth factor receptor 2, and galectin-3. Characterization of the mediators regulating structural changes in the skin during SM-induced tissue damage and wound healing will aid in the development of therapeutic modalities to mitigate toxicity and stimulate tissue repair processes.
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Affiliation(s)
- Laurie B Joseph
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey.
| | - Gabriella M Composto
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey
| | - Diane E Heck
- Department of Environmental Science, New York Medical College, Valhalla, New York
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22
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Ahmad S, Ahmad A. Emerging targets for treating sulfur mustard-induced injuries. Ann N Y Acad Sci 2016; 1374:123-31. [PMID: 27285828 DOI: 10.1111/nyas.13095] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 04/12/2016] [Accepted: 04/18/2016] [Indexed: 12/13/2022]
Abstract
Sulfur mustard (SM; bis-(2-chlororethyl) sulfide) is a highly reactive, potent warfare agent that has recently reemerged as a major threat to military and civilians. Exposure to SM is often fatal, primarily due to pulmonary injuries and complications caused by its inhalation. Profound inflammation, hypercoagulation, and oxidative stress are the hallmarks that define SM-induced pulmonary toxicities. Despite advances, effective therapies are still limited. This current review focuses on inflammatory and coagulation pathways that influence the airway pathophysiology of SM poisoning and highlights the complexity of developing an effective therapeutic target.
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Affiliation(s)
- Shama Ahmad
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular and Translational Biomedicine, School of Medicine, the University of Alabama at Birmingham (UAB), Birmingham, Alabama
| | - Aftab Ahmad
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular and Translational Biomedicine, School of Medicine, the University of Alabama at Birmingham (UAB), Birmingham, Alabama
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Liu F, Jiang N, Xiao ZY, Cheng JP, Mei YZ, Zheng P, Wang L, Zhang XR, Zhou XB, Zhou WX, Zhang YX. Effects of poly (ADP-ribose) polymerase-1 (PARP-1) inhibition on sulfur mustard-induced cutaneous injuries in vitro and in vivo. PeerJ 2016; 4:e1890. [PMID: 27077006 PMCID: PMC4830333 DOI: 10.7717/peerj.1890] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 03/14/2016] [Indexed: 01/13/2023] Open
Abstract
Early studies with first-generation poly (ADP-ribose) polymerase (PARP) inhibitors have already indicated some therapeutic potential for sulfur mustard (SM) injuries. The available novel and more potential PARP inhibitors, which are undergoing clinical trials as drugs for cancer treatment, bring it back to the centre of interest. However, the role of PARP-1 in SM-induced injury is not fully understood. In this study, we selected a high potent specific PARP inhibitor ABT-888 as an example to investigate the effect of PARP inhibitor in SM injury. The results showed that in both the mouse ear vesicant model (MEVM) and HaCaT cell model, PARP inhibitor ABT-888 can reduce cell damage induced by severe SM injury. ABT-888 significantly reduced SM induced edema and epidermal necrosis in MEVM. In the HaCaT cell model, ABT-888 can reduce SM-induced NAD(+)/ATP depletion and apoptosis/necrosis. Then, we studied the mechanism of PARP-1 in SM injury by knockdown of PARP-1 in HaCaT cells. Knockdown of PARP-1 protected cell viability and downregulated the apoptosis checkpoints, including p-JNK, p-p53, Caspase 9, Caspase 8, c-PARP and Caspase 3 following SM-induced injury. Furthermore, the activation of AKT can inhibit autophagy via the regulation of mTOR. Our results showed that SM exposure could significantly inhibit the activation of Akt/mTOR pathway. Knockdown of PARP-1 reversed the SM-induced suppression of the Akt/mTOR pathway. In summary, the results of our study indicated that the protective effects of downregulation of PARP-1 in SM injury may be due to the regulation of apoptosis, necrosis, energy crisis and autophagy. However, it should be noticed that PARP inhibitor ABT-888 further enhanced the phosphorylation of H2AX (S139) after SM exposure, which indicated that we should be very careful in the application of PARP inhibitors in SM injury treatment because of the enhancement of DNA damage.
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Affiliation(s)
- Feng Liu
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Ning Jiang
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Zhi-Yong Xiao
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Jun-Ping Cheng
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Yi-Zhou Mei
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Pan Zheng
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Li Wang
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Xiao-Rui Zhang
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Xin-Bo Zhou
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Wen-Xia Zhou
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
| | - Yong-Xiang Zhang
- Beijing Institute of Pharmacology and Toxicology , Beijing , China
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Impact of topical application of sulfur mustard on mice skin and distant organs DNA repair enzyme signature. Toxicol Lett 2016; 241:71-81. [DOI: 10.1016/j.toxlet.2015.11.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 11/02/2015] [Accepted: 11/02/2015] [Indexed: 11/23/2022]
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25
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Udasin RG, Wen X, Bircsak KM, Aleksunes LM, Shakarjian MP, Kong ANT, Heck DE, Laskin DL, Laskin JD. Nrf2 Regulates the Sensitivity of Mouse Keratinocytes to Nitrogen Mustard via Multidrug Resistance-Associated Protein 1 (Mrp1). Toxicol Sci 2015; 149:202-12. [PMID: 26454883 DOI: 10.1093/toxsci/kfv226] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Sulfur mustard and nitrogen mustard (mechlorethamine, HN2) are potent vesicants developed as chemical warfare agents. These electrophilic, bifunctional alkylating agents cause skin injury, including inflammation, edema, and blistering. HN2 covalently modifies macromolecules such as DNA, RNA, and proteins or is scavenged by glutathione, forming adducts that can contribute to toxicity. Multidrug resistance-associated protein 1 (Mrp1/MRP1) is a transmembrane ATPase known to efflux glutathione-conjugated electrophiles. In the present studies, we examined the effects of modulating Mrp1-mediated transport activity on the sensitivity of primary and PAM212 mouse keratinocytes to HN2. Primary keratinocytes, and to a lesser extent, PAM212 cells, express Mrp1 mRNA and protein and possess Mrp1 functional activity, as measured by calcein efflux. Sulforaphane, an activator of Nrf2, increased Mrp1 mRNA, protein, and functional activity in primary keratinocytes and PAM212 cells and decreased their sensitivity to HN2-induced growth inhibition (IC(50) = 1.4 and 4.8 µM in primary keratinocytes and 1 and 13 µM in PAM212 cells, in the absence and presence of sulforaphane, respectively). The Mrp1 inhibitor, MK-571, reversed the effects of sulforaphane on HN2-induced growth inhibition in both primary keratinocytes and PAM212 cells. In primary keratinocytes from Nrf2(-/-) mice, sulforaphane had no impact on Mrp1 expression or activity, or on sensitivity to HN2, demonstrating that its effects depend on Nrf2. These data suggest that Mrp1-mediated efflux is important in regulating HN2-induced keratinocyte growth inhibition. Enhancing HN2 efflux from keratinocytes may represent a novel strategy for mitigating vesicant-induced cytotoxicity.
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Affiliation(s)
- Ronald G Udasin
- *Department of Pharmacology and Toxicology, Rutgers University, Piscataway, New Jersey
| | - Xia Wen
- *Department of Pharmacology and Toxicology, Rutgers University, Piscataway, New Jersey
| | - Kristin M Bircsak
- *Department of Pharmacology and Toxicology, Rutgers University, Piscataway, New Jersey
| | - Lauren M Aleksunes
- *Department of Pharmacology and Toxicology, Rutgers University, Piscataway, New Jersey
| | - Michael P Shakarjian
- Department of Environmental Health Science, New York Medical College, Valhalla, New York
| | - Ah-Ng Tony Kong
- Department of Pharmaceutics, Rutgers University, Piscataway, New Jersey; and
| | - Diane E Heck
- Department of Environmental Health Science, New York Medical College, Valhalla, New York
| | - Debra L Laskin
- *Department of Pharmacology and Toxicology, Rutgers University, Piscataway, New Jersey
| | - Jeffrey D Laskin
- §Department of Environmental and Occupational Medicine, Rutgers University Robert Wood Johnson Medical School, Piscataway, New Jersey.
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Tahmasbpour E, Reza Emami S, Ghanei M, Panahi Y. Role of oxidative stress in sulfur mustard-induced pulmonary injury and antioxidant protection. Inhal Toxicol 2015; 27:659-72. [DOI: 10.3109/08958378.2015.1092184] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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