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Hussein S, Ben Bacha A, Alonazi M, Alwaili MA, Mobasher MA, Alburae NA, Banjabi AA, El-Said KS. Urtica pilulifera leaves extract mitigates cadmium induced hepatotoxicity via modulation of antioxidants, inflammatory markers and Nrf-2 signaling in mice. Front Mol Biosci 2024; 11:1365440. [PMID: 38469182 PMCID: PMC10925629 DOI: 10.3389/fmolb.2024.1365440] [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: 01/04/2024] [Accepted: 02/05/2024] [Indexed: 03/13/2024] Open
Abstract
Introduction: Cadmium (Cd) is a harmful heavy metal that results in many toxic issues. Urtica pilulifera showed potential pharmaceutical applications. This study investigated the possible ameliorative mechanism of Urtica pilulifera leaves extract (UPLE) against hepatotoxicity induced by cadmium chloride (CdCl2) in mice. Methods: In vitro phytochemical screening and the metal-chelating activity of UPLE were ascertained. Four groups of forty male mice were used (n = 10) as follows; Group 1 (G1) was a negative control. G2 was injected i.p., with UPLE (100 mg/kg b. wt) daily. G3 was injected i.p., with Cd (5 mg/kg b. wt) daily. G4 was injected with Cd as in G3 and with UPLE as in G2. On day 11, the body weight changes were evaluated, blood, and serum samples were collected for hematological and biochemical assessments. Liver tissues were used for biochemical, molecular, and histopathological investigations. Results: The results showed that UPLE contains promising secondary metabolites that considerably lessen the negative effects of Cd on liver. Furthermore, UPLE inhibited oxidative stress and inflammation; restored antioxidant molecules; and promoted nuclear-related factor-2 (Nrf-2) expression. Also, UPLE improved the histopathological alterations induced by Cd. Discussion: This study explored the beneficial role of UPLE treatment in Cd-induced liver injury through enhancing Nrf-2 signaling and antioxidant enzyme gene expression in the liver of mice. Therefore, UPLE could have valuable implications against hepatotoxicity induced by environmental cadmium exposure. Which can be used as a chelating agent against Cd.
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Affiliation(s)
- Shaimaa Hussein
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al Jawf, Saudi Arabia
| | - Abir Ben Bacha
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mona Alonazi
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Maha Abdullah Alwaili
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Maysa A. Mobasher
- Department of Pathology, Biochemistry Division, College of Medicine, Jouf University, Sakaka, Saudi Arabia
| | - Najla Ali Alburae
- Department of Biology, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abeer A. Banjabi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Karim Samy El-Said
- Biochemistry Division, Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt
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Zhang J, Wang X, Ma Z, Dang Y, Yang Y, Cao S, Ouyang C, Shi X, Pan J, Hu X. Associations of urinary and blood cadmium concentrations with all-cause mortality in US adults with chronic kidney disease: a prospective cohort study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:61659-61671. [PMID: 36933131 DOI: 10.1007/s11356-023-26451-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 03/10/2023] [Indexed: 05/10/2023]
Abstract
Epidemiological evidence for the relationship between cadmium exposure and mortality in specific chronic kidney disease (CKD) populations remains scarce. We aimed to explore the relationships between cadmium concentrations in urine and blood and all-cause mortality among CKD patients in the USA. This cohort study was composed of 1825 CKD participants from the National Health and Nutrition Examination Survey (NHANES) (1999-2014) who were followed up to December 31, 2015. All-cause mortality was ascertained by matching the National Death Index (NDI) records. We estimated hazard ratios (HRs) and 95% confidence intervals (CIs) for all-cause mortality in relation to urinary and blood cadmium concentrations by Cox regression models. During an average follow-up period of 82 months, 576 CKD participants died. Compared with the lowest quartiles, HRs (95% CIs) for all-cause mortality associated with the fourth weighted quartiles of urinary and blood cadmium concentrations were 1.75 (1.28 to 2.39) and 1.59 (1.17 to 2.15), respectively. Furthermore, the HRs (95% CIs) for all-cause mortality per ln-transformed IQR increment in cadmium concentrations in urine (1.15 μg/g UCr) and blood (0.95 μg/L) were 1.40 (1.21 to 1.63) and 1.22 (1.07 to 1.40), respectively. Linear concentration-response relationships between urinary and blood cadmium concentrations and all-cause mortality were also found. Our findings suggested that increased cadmium concentrations in both urine and blood significantly contributed to enhanced mortality risk in CKD patients, thus highlighting that efforts to reduce cadmium exposure may reduce mortality risk in high-risk populations with CKD.
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Affiliation(s)
- Jia Zhang
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Xiao Wang
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Zhibin Ma
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Ying Dang
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Yaya Yang
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Shuting Cao
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Changping Ouyang
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Xiaoru Shi
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Jinhua Pan
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China
| | - Xiaobin Hu
- Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, No.199, Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu Province, China.
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El-Said KS, Hussein S, Alrashdi BM, Mahmoud HA, Ibrahim MA, Elbakry M, El-Tantawy H, Kabil DI, El-Naggar SA. Musa sp. Leaves Extract Ameliorates the Hepato-Renal Toxicities Induced by Cadmium in Mice. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27020559. [PMID: 35056874 PMCID: PMC8779352 DOI: 10.3390/molecules27020559] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/08/2022] [Accepted: 01/11/2022] [Indexed: 11/16/2022]
Abstract
Heavy metals intoxication causes several health problems that necessitate finding new protective and therapeutic approaches. This study aimed to evaluate the impact of Musa sp. leaves extract (MLE) on hepato-renal toxicities induced by cadmium (Cd) in male mice. The phytochemical screening, metal chelating activity (MCA), and the median lethal dose (LD50) of MLE were determined. Fifty CD-1 male mice were used and intraperitoneally (i.p.) injected with MLE (1000 to 5000 mg/kg b.wt) for MLE LD50 determination. Another 50 mice were used for evaluating the effect of MLE on Cd toxicity. Blood samples were collected for hematological, liver, and kidney functions assessments. Liver tissue homogenates were used for determination of oxidant/antioxidant parameters. Liver and kidney tissues were harvested for histopathological and molecular investigations. MLE showed potent in vitro antioxidant activities. The MCA and LD50 of the MLE were 75 µg/mL and 3000 mg/kg b.wt, respectively. MLE showed beneficial therapeutic activity against hepato-renal toxicities in Cd-intoxicated mice, evidenced by improving the hematological, biochemical, histopathological, and molecular alterations.
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Affiliation(s)
- Karim Samy El-Said
- Biochemistry Division, Chemistry Department, Faculty of Science, Tanta University, Tanta 31527, Egypt;
- Correspondence: or (K.S.E.-S.); or (S.A.E.-N.); Tel.: +20-1002977062 (K.S.E.-S.)
| | - Shaimaa Hussein
- Pharmacology Department, College of Pharmacy, Jouf University, Sakaka 41412, Saudi Arabia;
| | - Barakat M. Alrashdi
- Biology Department, College of Science, Jouf University, Sakaka 41412, Saudi Arabia;
| | - Heba A. Mahmoud
- Pharmacology Department, Faculty of Medicine, Tanta University, Tanta 31527, Egypt;
| | - Mahrous A. Ibrahim
- Forensic Medicine and Clinical Toxicology, College of Medicine, Jouf University, Sakaka 41412, Saudi Arabia; or
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Mohamed Elbakry
- Biochemistry Division, Chemistry Department, Faculty of Science, Tanta University, Tanta 31527, Egypt;
| | - Hala El-Tantawy
- Zoology Department, Faculty of Science, Ain Shams University, Cairo 11566, Egypt;
| | - Doaa Ibrahim Kabil
- Nutrition and Food Science, Faculty of Specific Education, Tanta University, Tanta 31527, Egypt;
| | - Sabry A. El-Naggar
- Zoology Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
- Correspondence: or (K.S.E.-S.); or (S.A.E.-N.); Tel.: +20-1002977062 (K.S.E.-S.)
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Goyal T, Mitra P, Singh P, Sharma S, Purohit P, Sharma P. Effect of occupational co-exposure to lead and cadmium on selected immunomodulatory cytokines. Toxicol Ind Health 2021; 38:1-10. [PMID: 34874211 DOI: 10.1177/07482337211019172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Occupational exposure to heavy metals like lead (Pb) and cadmium (Cd) is associated with the development of several diseases. The objective of this study was to determine the effect of occupational co-exposure to Pb and Cd on the blood levels of selected immune-modulatory cytokines related to T helper (Th), that is, Th1, interleukin-2 (IL-2), Th2, (IL-4 and IL-10), and Th17, (IL-17) cells. The study comprised 207 individuals divided into two groups: exposed (n = 110) and nonexposed (n = 97). Blood Pb and Cd were determined using Graphite Furnace Atomic Absorption Spectroscopy, and serum levels of cytokines were measured using enzyme-linked immunosorbent assay (ELISA). The study revealed significantly higher blood Pb and Cd levels in the exposed group. A significant decrease in Th1 cytokine-IL-2 and Th2 cytokine-IL-10 was found, while IL-4 (Th2 cytokine) and IL-17 (Th17) levels were higher in the exposed group. In the mixed exposure analysis, among all the selected cytokines, IL-4 levels were significantly different between individuals having higher levels of both Pb and Cd versus lower levels of Pb and Cd. While IL-2 levels were highest among the low Pb and Cd group, the IL-17 levels were highest among individuals with higher Cd levels. The study demonstrated that co-exposure to low levels of Pb and Cd might have an immune-modulatory effect. The data suggested a metal-induced pro-inflammatory immune response.
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Affiliation(s)
- Taru Goyal
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
| | - Prasenjit Mitra
- Assistant Professor, Department of Biochemistry, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Preeti Singh
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
| | - Shailja Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
| | - Purvi Purohit
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
| | - Praveen Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
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Immunomodulation by heavy metals as a contributing factor to inflammatory diseases and autoimmune reactions: Cadmium as an example. Immunol Lett 2021; 240:106-122. [PMID: 34688722 DOI: 10.1016/j.imlet.2021.10.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 08/10/2021] [Accepted: 10/20/2021] [Indexed: 12/22/2022]
Abstract
Cadmium (Cd) represents a unique hazard because of the long biological half-life in humans (20-30 years). This metal accumulates in organs causing a continuum of responses, with organ disease/failure as extreme outcome. Some of the cellular and molecular alterations in target tissues can be related to immune-modulating potential of Cd. This metal may cause adverse responses in which components of the immune system function as both mediators and effectors of Cd tissue toxicity, which, in combination with Cd-induced alterations in homeostatic reparative activities may contribute to tissue dysfunction. In this work, current knowledge concerning inflammatory/autoimmune disease manifestations found to be related with cadmium exposure are summarized. Along with epidemiological evidence, animal and in vitro data are presented, with focus on cellular and molecular immune mechanisms potentially relevant for the disease susceptibility, disease promotion, or facilitating development of pre-existing pathologies.
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Mirkov I, Popov Aleksandrov A, Ninkov M, Tucovic D, Kulas J, Zeljkovic M, Popovic D, Kataranovski M. Immunotoxicology of cadmium: Cells of the immune system as targets and effectors of cadmium toxicity. Food Chem Toxicol 2021; 149:112026. [PMID: 33508420 DOI: 10.1016/j.fct.2021.112026] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/30/2020] [Accepted: 01/21/2021] [Indexed: 02/06/2023]
Abstract
Cadmium (Cd) has been listed as one of the most toxic substances affecting numerous tissues/organs, including the immune system. Due to variations in studies examining Cd effects on the immune system (exposure regime, experimental systems, immune endpoint measured), data on Cd immunotoxicity in humans and experimental animals are inconsistent. However, it is clear that Cd can affect cells of the immune system and can modulate some immune responses. Due to the complex nature of the immune system and its activities which are determined by multiple interactions, the underlying mechanisms involved in the immunotoxicity of this metal are still vague. Here, the current knowledge regarding the interaction of Cd with cells of the immune system, which may affect immune responses as well as potential mechanisms of consequent biological effects of such activities, is reviewed. Tissue injury caused by Cd-induced effects on innate cell activities depicts components of the immune system as mediators/effectors of Cd tissue toxicity. Cd-induced immune alterations, which may compromise host defense against pathogenic microorganisms and homeostatic reparative activities, stress this metal as an important health hazard.
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Affiliation(s)
- Ivana Mirkov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia
| | - Aleksandra Popov Aleksandrov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia
| | - Marina Ninkov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia; Université Côte D'Azur, Institute of Biology Valrose, Nice (iBV), INSERM U1091, 06107, Nice, France
| | - Dina Tucovic
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia
| | - Jelena Kulas
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia
| | - Milica Zeljkovic
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia
| | - Dusanka Popovic
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia
| | - Milena Kataranovski
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade, 11000, Serbia.
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Popov Aleksandrov A, Mirkov I, Tucovic D, Kulas J, Ninkov M, Kataranovski M. Cadmium and immunologically-mediated homeostasis of anatomical barrier tissues. Toxicol Lett 2020; 337:38-45. [PMID: 33246043 DOI: 10.1016/j.toxlet.2020.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 02/07/2023]
Abstract
Cadmium (Cd) is a toxic heavy metal that when absorbed into the body causes nephrotoxicity and effects in other tissues.Anatomical barrier tissues are tissues that prevent the entry of pathogens and include skin, mucus membranes and the immune system. The adverse effects of Cd-induced immune cell's activity are the most extensively studied in the kidneys and the liver. There are though fewer data relating the effect of this metal on the other tissues, particularly in those in which cells of the immune system form local circuits of tissue defense, maintaining immune-mediated homeostasis. In this work, data on the direct and indirect effects of Cd on anatomical barrier tissue of inner and outer body surfaces (the lungs, gut, reproductive organs, and skin) were summarized.
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Affiliation(s)
- Aleksandra Popov Aleksandrov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Ivana Mirkov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Dina Tucovic
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Jelena Kulas
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Marina Ninkov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Milena Kataranovski
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia.
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Dkhil MA, Diab MSM, Lokman MS, El-Sayed H, Bauomy AA, Al-Shaebi EM, Al-Quraishy S. Nephroprotective effect of Pleurotus ostreatus extract against cadmium chloride toxicity in rats. AN ACAD BRAS CIENC 2020; 92:e20191121. [PMID: 32428092 DOI: 10.1590/0001-3765202020191121] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 11/07/2019] [Indexed: 01/15/2023] Open
Abstract
Cadmium, present in the environment, accumulates in different organs of animals and humans, and has deleterious effects on the kidney. In this study, we investigated the protective effects of the methanolic extract of Pleurotus ostreatus in comparison with silymarin on renal function in cadmium-intoxicated rats for five days. Rats intraperitoneally injected with cadmium chloride (1 mg/kg). These rats were treated with either P. ostreatus extract (200 mg/kg) or silymarin to investigate the protective effects of the extract. Cadmium treatment induced significant histopathological impairments and increased cadmium levels, DNA fragmentation, and renal oxidative stress. However, treatment with P. ostreatus extract or silymarin improved the pathology, reduced the level of cadmium in renal tissue, and restored DNA fragmentation. In addition, a significant reduction in lipid peroxidation and reactive oxygen species levels, and a significant increase in the levels of glutathione and catalase activity were observed. Thus, protective effects of P. ostreatus extract to its components. Chromatographic analysis of the P. ostreatus confirmed the presence of five phenolics (gallic acid, chlorogenic acid, catechin, propyl gallate, and cinnamic acid) that exhibit strong antioxidant properties as free radical scavengers. Therefore, our findings demonstrate that treatment with P. ostreatus extract protects against cadmium-induced nephrotoxicity in female rats.
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Affiliation(s)
- Mohamed A Dkhil
- College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Marwa S M Diab
- Molecular Drug Evaluation Department, National Organization for Drug Control & Research/ NODCAR, Giza, Egypt
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Chandler JD, Hu X, Ko EJ, Park S, Fernandes J, Lee YT, Orr ML, Hao L, Smith MR, Neujahr DC, Uppal K, Kang SM, Jones DP, Go YM. Low-dose cadmium potentiates lung inflammatory response to 2009 pandemic H1N1 influenza virus in mice. ENVIRONMENT INTERNATIONAL 2019; 127:720-729. [PMID: 30999129 PMCID: PMC6536378 DOI: 10.1016/j.envint.2019.03.054] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/08/2019] [Accepted: 03/24/2019] [Indexed: 05/04/2023]
Abstract
Cadmium (Cd) is a toxic, pro-inflammatory metal ubiquitous in the diet that accumulates in body organs due to inefficient elimination. Responses to influenza virus infection are variable, particularly severity of pneumonia. We used a murine model of chronic low-dose oral exposure to Cd to test if increased lung tissue Cd worsened inflammation in response to sub-lethal H1N1 infection. The results show that Cd-treated mice had increased lung tissue inflammatory cells, including neutrophils, monocytes, T lymphocytes and dendritic cells, following H1N1 infection. Lung genetic responses to infection (increasing TNF-α, interferon and complement, and decreasing myogenesis) were also exacerbated. To reveal the organization of a network structure, pinpointing molecules critical to Cd-altered lung function, global correlations were made for immune cell counts, leading edge gene transcripts and metabolites. This revealed that Cd increased correlation of myeloid immune cells with pro-inflammatory genes, particularly interferon-γ and metabolites. Together, the results show that Cd burden in mice increased inflammation in response to sub-lethal H1N1 challenge, which was coordinated by genetic and metabolic responses, and could provide new targets for intervention against lethal inflammatory pathology of clinical H1N1 infection.
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Affiliation(s)
- Joshua D Chandler
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - Xin Hu
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - Eun-Ju Ko
- Center for Inflammation, Immunity and Infection, Georgia State University, Atlanta, GA 30303, United States of America
| | - Soojin Park
- Center for Inflammation, Immunity and Infection, Georgia State University, Atlanta, GA 30303, United States of America
| | - Jolyn Fernandes
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - Young-Tae Lee
- Center for Inflammation, Immunity and Infection, Georgia State University, Atlanta, GA 30303, United States of America
| | - Michael L Orr
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - Li Hao
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - M Ryan Smith
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - David C Neujahr
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - Karan Uppal
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America
| | - Sang-Moo Kang
- Center for Inflammation, Immunity and Infection, Georgia State University, Atlanta, GA 30303, United States of America
| | - Dean P Jones
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America.
| | - Young-Mi Go
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine, Atlanta, GA 30322, United States of America.
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Joo SH, Lee J, Hutchinson D, Song YW. Prevalence of rheumatoid arthritis in relation to serum cadmium concentrations: cross-sectional study using Korean National Health and Nutrition Examination Survey (KNHANES) data. BMJ Open 2019; 9:e023233. [PMID: 30610019 PMCID: PMC6326419 DOI: 10.1136/bmjopen-2018-023233] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 10/18/2018] [Accepted: 11/08/2018] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES It has been suggested that exposure to heavy metal cadmium (Cd) may contribute to a high risk of developing rheumatoid arthritis (RA). This study was to investigate the association of RA prevalence and serum concentrations of Cd and other heavy metals through large survey data analysis. DESIGN A retrospective cross-sectional survey study. SETTING Large population survey in Korea. PARTICIPANTS 53 829 subjects participated in Korean National Health and Nutrition Examination Survey (KNHANES) from 2008 to 2013. INTERVENTIONS Heavy metals were measured in different time periods of the survey programme which resulted in three different data sets for analysis: Cd, mercury (Hg) and lead (Pb) from 2008 to 2012 survey; serum manganese (Mn) and urine arsenic (As) from 2008 to 2009 survey; and serum zinc (Zn) from 2010 survey. RA prevalence and its associations with serum heavy metals were analysed using a general linear/logistic regression model of complex sample design. RESULTS Serum Cd was elevated in patients with RA (RA vs control: 1.30±0.07 µg/L vs 1.17±0.01 µg/L, p<0.01). There were no significant differences in urine levels of As or serum levels of Pb, Hg, Mn or Zn between patients with RA and controls. OR (95% CI) of RA prevalence according to 1 µg/L increase of serum Cd level was 1.28(95% CI 1.03 to 1.61). Prevalence of RA in women was increased with increasing quartiles of Cd levels, with a 19-fold difference in female RA prevalence between individuals in the lowest quartile of serum Cd level and those in the highest quartile (0.18% vs 3.42%). Cubic spline curve of prevalence OR showed increased risk of RA according to increased serum Cd level. Increased risk of RA in men was not observed with increased serum Cd levels. CONCLUSION There was an increased prevalence of RA in females associated with increased serum levels of Cd in the Korean population.
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Affiliation(s)
- Sang Hyun Joo
- Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Joongyub Lee
- Division of Clinical Epidemiology, Medical Research Collaborating Center, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - David Hutchinson
- Rheumatology Department, Royal Cornwall Hospital, Truro, UK
- Rheumatology Department, University of Exeter Medical School, Truro, UK
| | - Yeong Wook Song
- Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, College of Medicine, Medical Research Center, Seoul National University, Seoul, Korea
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11
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Zhao S, Yang Q, Yu Z, Lv Y, Zhi J, Gustin P, Zhang W. Protective effects of tiotropium alone or combined with budesonide against cadmium inhalation induced acute neutrophilic pulmonary inflammation in rats. PLoS One 2018; 13:e0193610. [PMID: 29489916 PMCID: PMC5831634 DOI: 10.1371/journal.pone.0193610] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 02/14/2018] [Indexed: 11/19/2022] Open
Abstract
As a potent bronchodilator, the anti-inflammatory effects of tiotropium and its interaction with budesonide against cadmium-induced acute pulmonary inflammation were investigated. Compared to values obtained in rats exposed to cadmium, cytological analysis indicated a significant decrease of total cell and neutrophil counts and protein concentration in bronchoalveolar lavage fluid (BALF) in rats pretreated with tiotropium (70μg/15ml or 350μg/15ml). Zymographic tests showed a decrease of MMP-2 activity in BALF in rats pretreated only with high concentration of tiotropium. Histological examination revealed a significant decrease of the severity and extent of inflammatory lung injuries in rats pretreated with both tested concentrations of tiotropium. Though tiotropium (70μg/15ml) or budesonide (250μg/15ml) could not reduce cadmium-induced bronchial hyper-responsiveness, their combination significantly decreased bronchial contractile response to methacholine. These two drugs separately decreased the neutrophil number and protein concentration in BALF but no significant interaction was observed when both drugs were combined. Although no inhibitory effects on MMP-2 and MMP-9 was observed in rats pretreated with budesonide alone, the combination with the ineffective dose of tiotropium induced a significant reduction on these parameters. The inhibitory effect of tiotropium on lung injuries was not influenced by budesonide which alone induced a limited action on the severity and extent of inflammatory sites. Our findings show that tiotropium exerts anti-inflammatory effects on cadmium-induced acute neutrophilic pulmonary inflammation. The combination of tiotropium with budesonide inhibits cadmium-induced inflammatory injuries with a synergistic interaction on MMP-2 and MMP-9 activity and airway hyper-responsiveness.
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Affiliation(s)
- Shiwei Zhao
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi Yang
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhixi Yu
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - You Lv
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianming Zhi
- Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Pascal Gustin
- Department for Functional Sciences, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Wenhui Zhang
- Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- * E-mail:
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12
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Tinkov AA, Filippini T, Ajsuvakova OP, Aaseth J, Gluhcheva YG, Ivanova JM, Bjørklund G, Skalnaya MG, Gatiatulina ER, Popova EV, Nemereshina ON, Vinceti M, Skalny AV. The role of cadmium in obesity and diabetes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 601-602:741-755. [PMID: 28577409 DOI: 10.1016/j.scitotenv.2017.05.224] [Citation(s) in RCA: 174] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 05/23/2017] [Accepted: 05/24/2017] [Indexed: 06/07/2023]
Abstract
Multiple studies have shown an association between environmental exposure to hazardous chemicals including toxic metals and obesity, diabetes, and metabolic syndrome. At the same time, the existing data on the impact of cadmium exposure on obesity and diabetes are contradictory. Therefore, the aim of the present work was to review the impact of cadmium exposure and status on the risk and potential etiologic mechanisms of obesity and diabetes. In addition, since an effect of cadmium exposure on incidence of diabetes mellitus and insulin resistance was suggested by several epidemiologic studies, we carried out a meta-analysis of all studies assessing risk of prevalence and incidence of diabetes. By comparing the highest versus the lowest cadmium exposure category, we found a high risk of diabetes incidence (odds ratio=1.38, 95% confidence interval 1.12-1.71), which was higher for studies using urine as exposure assessment. On the converse, results of epidemiologic studies linking cadmium exposure and overweight or obesity are far less consistent and even conflicting, also depending on differences in exposure levels and the specific marker of exposure (blood, urine, hair, nails). In turn, laboratory studies demonstrated that cadmium adversely affects adipose tissue physiopathology through several mechanisms, thus contributing to increased insulin resistance and enhancing diabetes. However, intimate biological mechanisms linking Cd exposure with obesity and diabetes are still to be adequately investigated.
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Affiliation(s)
- Alexey A Tinkov
- Yaroslavl State University, Yaroslavl, Russia; Orenburg State Medical University, Orenburg, Russia; RUDN University, Moscow, Russia.
| | - Tommaso Filippini
- CREAGEN, Environmental, Genetic and Nutritional Epidemiology Research Center, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Jan Aaseth
- Department of Public Health, Hedmark University of Applied Sciences, Elverum, Norway; Research Department, Innlandet Hospital Trust, Brumunddal, Norway
| | - Yordanka G Gluhcheva
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Juliana M Ivanova
- Faculty of Medicine, Sofia University "St. Kliment Ohridski", Sofia, Bulgaria
| | - Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Mo i Rana, Norway
| | | | - Eugenia R Gatiatulina
- Orenburg State Medical University, Orenburg, Russia; South-Ural State Medical University, Chelyabinsk, Russia
| | - Elizaveta V Popova
- Orenburg State Medical University, Orenburg, Russia; St Joseph University in Tanzania, St Joseph College of Health Sciences, Dar es salaam, Tanzania
| | | | - Marco Vinceti
- CREAGEN, Environmental, Genetic and Nutritional Epidemiology Research Center, University of Modena and Reggio Emilia, Modena, Italy
| | - Anatoly V Skalny
- Yaroslavl State University, Yaroslavl, Russia; RUDN University, Moscow, Russia; Orenburg State Pedagogical University, Orenburg, Russia
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13
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Odewumi CO, Fils-Aime S, Badisa VLD, Latinwo LM, Ruden ML, Ikediobi C, Badisa RB. Chemoprotective effect of monoisoamyl 2, 3-dimercaptosuccinate (MiADMS) on cytokines expression in cadmium chloride treated human lung cells. ENVIRONMENTAL TOXICOLOGY 2015; 30:704-11. [PMID: 24420767 PMCID: PMC4096614 DOI: 10.1002/tox.21948] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 12/19/2013] [Accepted: 12/22/2013] [Indexed: 06/03/2023]
Abstract
Cadmium is commercially profitable element, but it causes toxicity in humans and animals leading to diseases in various organs. The main route of cadmium exposure to humans is through inhalation. Lungs respond to insult through secretion of cytokines. In this study, the chemoprotective effect of monoisoamyl 2, 3-dimercaptosuccinate (MiADMS) was evaluated on viability and cytokines expression in CdCl2 treated human lung A549 cells by cytokine array. Cells were treated with 0, 50, 75, and 100 µM CdCl2 alone, 300 µM MiADMS alone, and co-treated with 300 µM MiADMS and 75 µM CdCl2 for 24 h. The viability was measured by crystal violet dye. The level of cytokines in the cells' lysate and cell culture medium was measured using Ray Biotech's Human Cytokine Array 6 in control cells, 75 µM CdCl2 alone and MiADMS co-treated cells. Array results were validated by ELISA kit. The CdCl2 caused a dose dependent decrease in cell viability, while MiADMS co-treatment resulted in a significant increase in viability of CdCl2 treated cells. Morphology of the cells treated with CdCl2 was destroyed, while MiADMS restored the lost shape in CdCl2 treated cells. In addition, the cells co-treated with MiADMS and CdCl2 showed modulation of cytokines expression in comparison to the CdCl2 alone treated cells. The ELISA results showed the similar pattern of cytokine expression as Human Cytokine Array and validated the array results. These results clearly show the chemoprotective effect of MiADMS and suggest that MiADMS can be used as antidote at moderate dose against CdCl2 toxicity.
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Affiliation(s)
- Caroline O Odewumi
- Departments of Biology, Florida A&M University, Tallahassee, Florida, USA
| | - Shiela Fils-Aime
- Departments of Biology, Florida A&M University, Tallahassee, Florida, USA
| | - Veera L D Badisa
- Departments of Biology, Florida A&M University, Tallahassee, Florida, USA
| | - Lekan M Latinwo
- Departments of Biology, Florida A&M University, Tallahassee, Florida, USA
| | - Michael L Ruden
- Departments of Biology, Florida A&M University, Tallahassee, Florida, USA
| | | | - Ramesh B Badisa
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, USA
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14
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Liu L, Tao R, Huang J, He X, Qu L, Jin Y, Zhang S, Fu Z. Hepatic oxidative stress and inflammatory responses with cadmium exposure in male mice. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2015; 39:229-236. [PMID: 25528414 DOI: 10.1016/j.etap.2014.11.029] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 11/13/2014] [Accepted: 11/15/2014] [Indexed: 06/04/2023]
Abstract
Cadmium (Cd), a non-essential heavy metal, is one of the major environmental contaminants with grave toxicological consequences globally. In the present study, the effects of Cd on hepatic oxidative stress and inflammatory responses in mice were evaluated. Male adult mice were orally exposed to 3, 10 and 30mg/L CdCl2 supplied in the drinking water for 7 and 21 days. Histopathological changes and the alterations of the main parameters related to oxidative stress and inflammatory responses in the liver were observed. Hepatic malondialdehyde (MDA) contents increased significantly after treatment with 30mg/L CdCl2 for 21 days, and the contents of glutathione (GSH) increased significantly in both 10 and 30mg/L CdCl2 treated groups. The hepatic activities of glutathione peroxidase (GPX), catalase (CAT) and glutathione S-transferase (GST) increased significantly after the treatment with 30mg/L CdCl2 for 21 days. In accordance with the enzyme activities, the transcription status of hepatic superoxide dismutase 1 (Sod1), superoxide dismutase 2 (Sod2), Cat, Gpx, Gstα1, glutathione synthetase (Gss), glutathione reductase (Gr) and heme oxygenase 1 (Ho1) were also increased by high dose (30mg/L) or long period (21 days) exposure. In addition, the serum levels of tumor necrosis factor α (TNFα), interleukin 6 (IL6) and interleukin 1β (IL1β) increased significantly in the groups treated with 30mg/L CdCl2 for 21 days. And the genes of TNFα, IL6, interleukin 1α (IL1α), inducible nitric oxide synthase (iNOS) and interferon γ (IFNγ) were also increased in the liver of mice when exposed to relative high dose of CdCl2 for 7 or 21 days. Taken together, the results of this study suggested that the exposure to Cd had the potential to induce immunotoxicity accompanied with oxidative stress in the liver of mice.
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Affiliation(s)
- Ling Liu
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Runhua Tao
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Jie Huang
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Xingzhi He
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Lanya Qu
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Yuanxiang Jin
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China.
| | - Songbin Zhang
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zhengwei Fu
- College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China.
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15
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Demenesku J, Mirkov I, Ninkov M, Popov Aleksandrov A, Zolotarevski L, Kataranovski D, Kataranovski M. Acute cadmium administration to rats exerts both immunosuppressive and proinflammatory effects in spleen. Toxicology 2014; 326:96-108. [DOI: 10.1016/j.tox.2014.10.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 10/19/2014] [Accepted: 10/24/2014] [Indexed: 02/08/2023]
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16
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Djokic J, Popov Aleksandrov A, Ninkov M, Mirkov I, Zolotarevski L, Kataranovski D, Kataranovski M. Cadmium administration affects circulatory mononuclear cells in rats. J Immunotoxicol 2014; 12:115-23. [DOI: 10.3109/1547691x.2014.904955] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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17
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Djokic J, Ninkov M, Mirkov I, Popov Aleksandrov A, Zolotarevski L, Kataranovski D, Kataranovski M. Differential effects of cadmium administration on peripheral blood granulocytes in rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 37:210-219. [PMID: 24361699 DOI: 10.1016/j.etap.2013.11.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 11/22/2013] [Accepted: 11/28/2013] [Indexed: 06/03/2023]
Abstract
Infiltration of circulatory inflammatory cells is a common histopathological finding in target organs following cadmium administration, but there is paucity of data concerning their activity. In this study, the effects of sublethal (1 mg/kg) cadmium on peripheral blood polymorphonuclear (PMN) cells were examined 48 h following administration in rats, when tissue (liver and lung) infiltration of these cells was observed. Cadmium administration resulted in systemic inflammatory cytokine and acute phase response with an increase in circulatory neutrophil numbers and cells that express CD11b molecules. Rise in basic aspects of oxidative activity including intracellular myeloperoxidase (MPO), reactive oxygen (nitroblue tetrazolium/NBT cytochemical assay) and nitrogen (Griess assay) species production was observed in PMNs from cadmium-administered rats. A decrease in levels of mRNA for IL-1β, TNF-α and IL-6 was noted, but production of these cytokines was affected differentially. Described effects of cadmium on PMNs add further to the understanding of inflammatory potential of this environmental contaminant.
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Affiliation(s)
- J Djokic
- Department of Ecology, Institute for Biological Research "Sinisa Stankovic", University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - M Ninkov
- Department of Ecology, Institute for Biological Research "Sinisa Stankovic", University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - I Mirkov
- Department of Ecology, Institute for Biological Research "Sinisa Stankovic", University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - A Popov Aleksandrov
- Department of Ecology, Institute for Biological Research "Sinisa Stankovic", University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - L Zolotarevski
- Institute of Pathology, Military Medical Academy, University of Belgrade, Crnotravska 17, 11000 Belgrade, Serbia
| | - D Kataranovski
- Department of Ecology, Institute for Biological Research "Sinisa Stankovic", University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia; Institute of Zoology, Faculty of Biology, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia
| | - M Kataranovski
- Department of Ecology, Institute for Biological Research "Sinisa Stankovic", University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia; Institute of Physiology and Biochemistry, Faculty of Biology, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia.
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18
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Mirkov I, Belij S, Kataranovski M, Zolotarevski L, Glamoclija J, Stojanovic I, Stosic-Grujicic S. The relevance of the migration inhibitory factor (MIF) for peripheral tissue response in murine sublethal systemicAspergillus fumigatusinfection. Med Mycol 2012; 50:476-87. [DOI: 10.3109/13693786.2011.645893] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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19
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Belij S, Popov A, Mirkov I, Zolotarevski L, Kataranovski D, Kataranovski M. Percutaneous toxicity of dinitrochlorobenzene (DNCB) in rats. Cutan Ocul Toxicol 2011; 31:7-13. [PMID: 21736528 DOI: 10.3109/15569527.2011.593217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Contact hypersensitivity reaction (CHS) is a T-cell-mediated skin inflammatory reaction to cutaneous exposure to small sensitizing chemicals, haptens. While the significance of local inflammatory skin response to the hapten application in CHS induction and expression is known, there is paucity of data concerning systemic inflammation in CHS. In this study, changes in cellular (peripheral blood granulocytes) and humoral (plasma tumor necrosis factor (TNF)-α levels) components of inflammation during sensitization of rats with two consecutive applications of dinitrochlorobenzene (DNCB) were examined. The impact of sensitization on these parameters was determined by employing low (0.4%) and high (4%) hapten doses and by examining the dynamics (i.e. one and three days following the last application of DNCB) of these changes. Dose-dependent increase in relative numbers and priming (for respiratory burst and adhesion) effect of skin sensitization with DNCB on peripheral blood neutrophils in rats were noted. No changes in circulating TNF-α levels were observed following the sensitization. The increase in lung myeloperoxidase content and histologically evident presence of neutrophils was observed in lungs of the sensitized rats. The changes in granulocyte priming for adhesion might have accounted for the observed increase in lung neutrophil content in the sensitized rats.
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Affiliation(s)
- Sandra Belij
- Ecology, Institute for Biological Research Sinisa Stankovic, Bulevar Despota Stefana 142, Belgrade, Serbia
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20
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Stosic J, Mirkov I, Belij S, Nikolic M, Popov A, Kataranovski D, Kataranovski M. Gender differences in pulmonary inflammation following systemic cadmium administration in rats. BIOMEDICAL AND ENVIRONMENTAL SCIENCES : BES 2010; 23:293-299. [PMID: 20934117 DOI: 10.1016/s0895-3988(10)60066-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2009] [Accepted: 06/09/2010] [Indexed: 05/30/2023]
Abstract
OBJECTIVE To examine the presence of gender differences in pulmonary inflammation evoked by acute systemic cadmium administration in rats. METHODS Presence of basic indicators of lung inflammation (inflammatory cytokine lung content, leukocyte infiltration and activity of cells recovered from lungs by enzyme digestion) was analyzed and compared in animals of the two sexes. RESULTS Intraperitoneal administration of cadmium (1.0 mg/kg) resulted in higher cadmium content in lungs of female rats. Higher tumor necrosis factor (TNF) content was noted in lung homogenates of male rats, while interleukin-6 (IL-6) content was slightly, but significantly greater in lungs of female rats. Increased leukocyte infiltration was observed in lungs of male rats, mainly due to neutrophils. Increased responsiveness to phorbol myristate acetate (PMA) stimulation was noted in cells recovered from lungs of male rats. Rise in intracellular content of myeloperoxidase (MPO) was noted in lung cells from cadmium-treated rats of both sexes, but higher in cells from male rats. CONCLUSIONS Presented data documented a more intense pulmonary inflammatory response to systemic cadmium administration in males, with higher IL-6 levels in lungs of female individuals. These sex differences in proinflamatory activity of cadmium in lungs should be taken into consideration in studying the remote toxicity of this heavy metal.
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Affiliation(s)
- Jelena Stosic
- Department of Ecology, Institute for Biological Research Sinisa Stankovic, Belgrade 11060, Serbia
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