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Niu C, Dong M, Niu Y. Lead toxicity and potential therapeutic effect of plant-derived polyphenols. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 114:154789. [PMID: 37004401 DOI: 10.1016/j.phymed.2023.154789] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/21/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND Due to its unique physical and chemical properties, lead is still used worldwide in several applications, especially in industry. Both environmental and industrial lead exposures remain a public health problem in many developing and rapidly industrializing countries. Plant polyphenols are pleiotropic in their function and have historically made a major contribution to pharmacotherapy. PURPOSE To summarize available pre-clinical and limited clinical evidence on plant polyphenols as potential antidotes against lead poisoning and discuss toxic mechanisms of lead. METHOD A comprehensive search of peer-reviewed publications was performed from core collections of electronic databases such as PubMed, Web of Science, Google Scholar, and Science Direct. Articles written in English-language from inception until December 2022 were selected. RESULTS In this review, we review key toxic mechanisms of lead and its pathological effects on the neurological, reproductive, renal, cardiovascular, hematological, and hepatic systems. We focus on plant polyphenols against lead toxicity and involved mechanisms. Finally, we address scientific gaps and challenges associated with translating these promising preclinical discoveries into effective clinical therapies. CONCLUSION While preclinical evidence suggests that plant polyphenols exhibit bioprotective effects against lead toxicity, scant and equivocal clinical data highlight a need for clinical trials with those polyphenols.
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Affiliation(s)
- Chengu Niu
- Internal medicine residency program, Rochester General Hospital, Rochester, NY 14621, USA
| | - Miaoxian Dong
- The Institute of Medicine, Qiqihar Medical University, Qiqihar 161006, China
| | - Yingcai Niu
- The Institute of Medicine, Qiqihar Medical University, Qiqihar 161006, China.
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Shin K, Lim G, Hong YS, Kim S, Hwang S, Lee J, Sin S, Cho A, Kim Y, Gautam R, Jo J, Acharya M, Maharjan A, Lee D, K C PB, Kim C, Heo Y, Kim HA. Exposure to lead on expression levels of brain immunoglobulins, inflammatory cytokines, and brain-derived neurotropic factor in fetal and postnatal mice with autism-like characteristics. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2021; 84:891-900. [PMID: 34187350 DOI: 10.1080/15287394.2021.1945985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Autism spectrum disorders (ASD) are neurodevelopmental disorders, and their incidence is increasing worldwide. Increased exposure to environmental metal lead (Pb) has been proposed as a risk factor associated with ASD. In the present study, BTBR T+ tf/J (BTBR) mice with ASD-like behavioral characteristics and control FVB mice were exposed gestationally and/or neonatally to Pb, and compared with highly social FVB mice to investigate neuroimmunological abnormalities. IgG1 and IgG2a levels in fetal brains from BTBR dams exposed to Pb (BTBR-Pb) were significantly higher than those of BTBR-controls (BTBR-C). However, this change did not occur in FVB mice exposed to Pb. The IgG1:IgG2a ratio was higher in both fetal and postnatal brains of BTBR mice compared to FVB animals regardless of Pb exposure. The IL-4:IFN-γ ratio was elevated in BTBR-Pb relative to BTBR-C mice, but this ratio was not markedly affected following Pb exposure in FVB animals. These findings suggest the potential for a Pb-driven predominant TH2-like reactivity profile in brain microenvironment present in BTBR mice. Brain-derived neurotrophic factor was decreased in fetal and postnatal BTBR-Pb brains relative to BTBR-C brains but not in FVB-Pb relative to FVB-C mice. Taken together, data demonstrate that Pb exposure might contribute to developmental brain abnormalities associated with ASD, particularly in individuals with genetic susceptibility to ASD.
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Affiliation(s)
- KyeongMin Shin
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - GyeongDong Lim
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - Young-Seoub Hong
- Department of Preventive Medicine, College of Medicine, Dong-A University, Busan, Republic of Korea
| | - SoNam Kim
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - SoRyeon Hwang
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - JaeHee Lee
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - SoJung Sin
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - AhRang Cho
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - YeonGyeong Kim
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - Ravi Gautam
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - JiHun Jo
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - Manju Acharya
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - Anju Maharjan
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - DaEun Lee
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - Pramod B K C
- Graduate School Department of Toxicology, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - ChangYul Kim
- Graduate School Department of Toxicology, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - Yong Heo
- Department Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, Republic of Korea
- Graduate School Department of Toxicology, Daegu Catholic University, Gyeongsan, Republic of Korea
| | - Hyoung-Ah Kim
- Department of Preventive Medicine, College of Medicine, the Catholic University of Korea, Seoul, Republic of Korea
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Ortiz-Robles CD, Cortés-Montoya V, Reyes-Aguilar SS, Albores A, Calderón-Aranda ES. Low concentrations of lead disturb phenotypical markers of the inflammatory and the anti-inflammatory profile of bone marrow-derived macrophages from BALB/c mice. Toxicology 2021; 460:152885. [PMID: 34352350 DOI: 10.1016/j.tox.2021.152885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/21/2021] [Accepted: 07/31/2021] [Indexed: 11/28/2022]
Abstract
Lead (Pb) is a ubiquitous toxic metal that decreases resistance to infections, in which the macrophages have an essential role. Pb adverse effects on nitric oxide (NO-) production and variable effects on inflammatory cytokines in activated macrophages have been reported, but no effects have been reported in anti-inflammatory macrophages. We studied Pb (0.03-6 μg/dL equivalent to 0.014-2.89 μM) effects on the function of bone marrow-derived macrophages (BMDM) induced to either inflammatory or anti-inflammatory phenotypes, with LPS + IFNγ or IL-4+IL-13, respectively, and whether these effects are related. Pb did not induce cytotoxicity at any concentration in both macrophage phenotypes. In inflammatory BMDM, Pb (6 μg/dL) inhibited NO- production without affecting inducible nitric oxide synthase (iNOS) levels or basal arginase activity. At 3 and 6 μg/dL, Pb enhanced the major histocompatibility complex class II (MHC II) membrane expression but did not modify CD86 expression, TNFα, or IL-1β production and secretion. In anti-inflammatory BMDM, Pb did not alter arginase activity, but at 3 and 6 μg/dL, increased TGF-β1 and mannose receptor expression. Results showed that environmentally relevant concentrations of Pb alter functional outcomes or phenotypic markers of anti-inflammatory for the first time. The Pb effects on the inflammatory macrophages are not dependent on negative feedback resulting from the Pb effect on the anti-inflammatory phenotype. The Pb affected only some molecules or specific pathways related to both phenotypes. These effects could be related to Pb effects on immune defense against intracellular pathogens and allergy susceptibility.
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Affiliation(s)
- Christian D Ortiz-Robles
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados, Cinvestav del IPN, Ciudad de México, Mexico
| | - Vanessa Cortés-Montoya
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados, Cinvestav del IPN, Ciudad de México, Mexico
| | - Sandra S Reyes-Aguilar
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados, Cinvestav del IPN, Ciudad de México, Mexico
| | - Arnulfo Albores
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados, Cinvestav del IPN, Ciudad de México, Mexico
| | - Emma S Calderón-Aranda
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados, Cinvestav del IPN, Ciudad de México, Mexico.
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Zhang Y, Shen X, Cheng L, Chen R, Zhao F, Zhong S, Lan C, Yan S. Toll-like receptor 4 knockout protects against diabetic-induced imbalance of bone metabolism via autophagic suppression. Mol Immunol 2020; 117:12-19. [DOI: 10.1016/j.molimm.2019.10.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 10/27/2019] [Accepted: 10/30/2019] [Indexed: 01/14/2023]
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