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Sundararaman S, Kumar KS, Siddharth U, Prabu D, Karthikeyan M, Rajasimman M, Thamarai P, Saravanan A, Kumar JA, Vasseghian Y. Sustainable approach for the expulsion of metaldehyde: risk, interactions, and mitigation: a review. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:248. [PMID: 38874631 DOI: 10.1007/s10653-024-02001-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 04/16/2024] [Indexed: 06/15/2024]
Abstract
All pests can be eliminated with the help of pesticides, which can be either natural or synthetic. Because of the excessive use of pesticides, it is harmful to both ecology and people's health. Pesticides are categorised according to several criteria: their chemical composition, method of action, effects, timing of use, source of manufacture, and formulations. Many aquatic animals, birds, and critters live in danger owing to hazardous pesticides. Metaldehyde is available in various forms and causes significant impact even when small amounts are ingested. Metaldehyde can harm wildlife, including dogs, cats, and birds. This review discusses pesticides, their types and potential environmental issues, and metaldehyde's long-term effects. In addition, it examines ways to eliminate metaldehyde from the aquatic ecosystem before concluding by anticipating how pesticides may affect society. The metal-organic framework and other biosorbents have been appropriately synthesized and subsequently represent the amazing removal of pesticides from effluent as an enhanced adsorbent, such as magnetic nano adsorbents. A revision of the risk assessment for metaldehyde residuals in aqueous sources is also attempted.
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Affiliation(s)
- Sathish Sundararaman
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, 600119, India.
| | - K Satish Kumar
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, 600119, India
| | - U Siddharth
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, 600119, India
| | - D Prabu
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, 600119, India
| | - M Karthikeyan
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, 600119, India
| | - M Rajasimman
- Department of Chemical Engineering, Annamalai University, Annamalainagar, Chidambaram, 608002, India
| | - P Thamarai
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Saveetha University, Chennai, Tamilnadu, 602105, India
| | - A Saravanan
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Saveetha University, Chennai, Tamilnadu, 602105, India
| | - J Aravind Kumar
- Department of Energy and Environmental Engineering, Saveetha School of Engineering, SIMATS, Saveetha University, Chennai, India
| | - Yasser Vasseghian
- Department of Chemical Engineering and Material Science, Yuan Ze University, Taoyuan, Taiwan.
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Pakar NP, Rehman FU, Mehmood S, Ali S, Zainab N, Munis MFH, Chaudhary HJ. Microbial detoxification of chlorpyrifos, profenofos, monocrotophos, and dimethoate by a multifaceted rhizospheric Bacillus cereus strain PM38 and its potential for the growth promotion in cotton. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:39714-39734. [PMID: 38831144 DOI: 10.1007/s11356-024-33804-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 05/20/2024] [Indexed: 06/05/2024]
Abstract
Bacillus genera, especially among rhizobacteria, are known for their ability to promote plant growth and their effectiveness in alleviating several stress conditions. This study aimed to utilize indigenous Bacillus cereus PM38 to degrade four organophosphate pesticides (OPs) such as chlorpyrifos (CP), profenofos (PF), monocrotophos (MCP), and dimethoate (DMT) to mitigate the adverse effects of these pesticides on cotton crop growth. Strain PM38 exhibited distinct characteristics that set it apart from other Bacillus species. These include the production of extracellular enzymes, hydrogen cyanide, exopolysaccharides, Indol-3-acetic acid (166.8 μg/mL), siderophores (47.3 μg/mL), 1-aminocyclopropane-1-carboxylate deaminase activity (32.4 μg/mL), and phosphorus solubilization (162.9 μg/mL), all observed at higher concentrations. This strain has also shown tolerance to salinity (1200 mM), drought (20% PEG-6000), and copper and cadmium (1200 mg/L). The amplification of multi-stress-responsive genes, such as acdS, ituC, czcD, nifH, sfp, and pqqE, further confirmed the plant growth regulation and abiotic stress tolerance capability in strain PM38. Following the high-performance liquid chromatography (HPLC) analysis, the results showed striking compatibility with the first kinetic model. Strain PM38 efficiently degraded CP (98.4%), PF (99.7%), MCP (100%), and DMT (95.5%) at a concentration of 300 ppm over 48 h at 35 °C under optimum pH conditions, showing high coefficients of determination (R2) of 0.974, 0.967, 0.992, and 0.972, respectively. The Fourier transform infrared spectroscopy (FTIR) analysis and the presence of opd, mpd, and opdA genes in the strain PM38 further supported the potential to degrade OPs. In addition, inoculating cotton seedlings with PM38 improved root length under stressful conditions. Inoculation of strain PM38 reduces stress by minimizing proline, thiobarbituric acid-reactive compounds, and electrolyte leakage. The strain PM38 has the potential to be a good multi-stress-tolerant option for a biological pest control agent capable of improving global food security and managing contaminated sites.
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Affiliation(s)
- Najeeba Parre Pakar
- Department of Plant Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
- Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK
| | - Fazal Ur Rehman
- Department of Plant Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
- New Town Research Laboratories, Tasmanian Institute of Agriculture, University of Tasmania, New Town, Hobart, TAS, Australia
| | - Shehzad Mehmood
- Department of Biotechnology, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Sarfaraz Ali
- Department of Virology, National Institute of Health, Islamabad, Pakistan
| | - Nida Zainab
- Department of Plant Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
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Habib SS, Fazio F, Masud S, Ujan JA, Saeed MQ, Ullah M, Khan K, Khayyam K, Mohany M, Milošević M, Al-Rejaie SS, Cravana C. Analyzing the impact of pesticides on the indus river: contamination levels in water, sediment, fish, and associated human health risks. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:191. [PMID: 38696024 DOI: 10.1007/s10653-024-01975-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 04/02/2024] [Indexed: 06/17/2024]
Abstract
Pesticides are frequently used to protect crop yields and manage malaria vectors; however, their inadvertent transport into aquatic habitats poses a significant concern. Various anthropogenic activities influence the Indus River in Pakistan. This study aimed to assess the presence of eight pesticide residues at three different sites (Kalabagh, Kundian, and Chashma) in water, sediment, and the fish species (Labeo rohita) during both dry and wet seasons to measure the intensity of this pressure. Pesticide analysis was carried out using gas chromatography equipped with an electron capture detector. The results revealed the highest concentrations of pesticides during both dry and wet seasons at all sites, measuring 0.83 and 0.62 μg/l (water), 12.37 and 9.20 μg/g/dw (sediment), and 14.27 and 11.29 μg/g/ww (L. rohita), respectively. Overall, pesticide concentrations were higher in the dry season than in the wet season across all study sites. Based on detection frequency and concentration in both seasons at all sites, dominant pesticides included cypermethrin and carbofuran (in water), as well as endosulfan and cypermethrin (in sediment and fish tissue). Levels of endosulfan and cypermethrin exceeded standard limits. Moreover, principal component analysis (PCA) indicated no correlation among pesticides in fish tissue, sediment, and water. However, pesticides exhibited different behavior in different seasons. Furthermore, endosulfan and triazophos impose great human health risk, as indicated by the THQ value (> 1). The overall HI value was greater for site 1 in the dry season (8.378). The study concluded that the presence of agricultural pesticides in the Indus River poses a risk to aquatic life and has the potential to disrupt the entire food chain. This highlights the importance of sustainable practices for the study area and Pakistan overall agricultural and environmental sustainability. It is further recommended to strengthen regulations for reduced pesticide use and promote eco-friendly pest management.
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Affiliation(s)
- Syed Sikandar Habib
- Department of Zoology, University of Sargodha, Sargodha, Punjab, 40100, Pakistan
| | - Francesco Fazio
- Department of Veterinary Sciences, University of Messina, Via Palatucci, N. 13, 98168, Messina, Italy.
| | - Samrah Masud
- Institute of Zoology, Bahauddin Zakariya University, Multan, Punjab, 60800, Pakistan
| | - Javed Ahmed Ujan
- Department of Animal Sciences, University of Florida, Gainesville, FL, 32608, USA
| | - Muhammad Qamar Saeed
- Department of Microbiology and Molecular Genetics, Bahauddin Zakariya University, Multan, Punjab, 60800, Pakistan
| | - Mujeeb Ullah
- Department of Zoology, Islamia College University Peshawar, Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - Khalid Khan
- Department of Zoology, Islamia College University Peshawar, Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - Khayyam Khayyam
- Department of Zoology, Islamia College University Peshawar, Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - Mohamed Mohany
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 55760, 11451, Riyadh, Saudi Arabia
| | - Marija Milošević
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Kragujevac, 34000, Serbia
| | - Salim S Al-Rejaie
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 55760, 11451, Riyadh, Saudi Arabia
| | - Cristina Cravana
- Department of Veterinary Sciences, University of Messina, Via Palatucci, N. 13, 98168, Messina, Italy
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Mohammad FK, Mohammed AA, Faris GA, Al-Baggou B, Mousa YJ. Antidotal Effects of the Antihistamine Diphenhydramine Against Cholinesterase Inhibitor Poisoning: A Meta-Analysis of Median Lethal Doses in Experimental Animals. Cureus 2024; 16:e54403. [PMID: 38505441 PMCID: PMC10950098 DOI: 10.7759/cureus.54403] [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] [Accepted: 02/18/2024] [Indexed: 03/21/2024] Open
Abstract
The H1-antihistamine diphenhydramine antagonizes cholinesterase inhibitor poisoning in various animal species. One aspect of acute antidotal actions of diphenhydramine is increasing the median lethal doses (LD50) of toxicants. The objective of this meta-analysis was to assess the antidotal action of diphenhydramine against short-term toxicity (LD50) of cholinesterase inhibitors in experimental animals. The experimental studies selected were according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. They were conducted in laboratory animals (mice, rats, and chicks) to determine acute LD50 values of cholinesterase inhibitors (organophosphates, carbamates, and imidocarb) under the influence of diphenhydramine vs. controls. Twenty-eight records were selected from 12 studies on mice (n= 242), rats (n= 27), and young chicks (n= 128). The forest plot of randomized two-group meta-analysis assessed effect size, subgroup analysis, drapery prediction, heterogeneity, publication bias-funnel plot as well as one-group proportions meta-analysis of percent protection. Diphenhydramine significantly increased the combined effect size (i.e. increased LD50) in intoxicated experimental animals in comparison to controls (-3.71, standard error (SE) 0.36, 95%CI -4.46, -2.97). The drapery plot proposed a wide range of confidence intervals. The I2 index of heterogeneity of the combined effect size was high at 81.03% (Q= 142.3, p < 0.0001). Galbraith regression also indicated data heterogeneity; however, the normal quantile plot indicated no outliers. Subgroup analysis indicated significantly high heterogeneity with organophosphates (I2 = 63.72%) and carbamates (I2 = 76.41%), but low with imidocarb (I2 = 51.48%). The funnel plot and Egger regression test (t= -13.7, p < 0.0001) revealed publication bias. The median of the diphenhydramine protection ratio was 1.655, and the related forest plot of one group proportion meta-analysis revealed a statistically high level of protection (0.594, SE 0.083, 95%CI 0.432, 0.756), with high heterogeneity (I2= 99.86). The risk of bias assessment was unclear, while the total score (16 out of 20) of each study leaned towards the side of the low risk of bias. In conclusion, the meta-analysis of LD50 values indicated that diphenhydramine unequivocally protected experimental animals from the acute toxicity of cholinesterase inhibitors. The drug could be an additional antidote against acute poisoning induced by cholinesterase inhibitors, but a word of caution: it is not to be considered as a replacement for the standard antidote atropine sulfate. Further studies are needed to examine the action of diphenhydramine on adverse chronic effects of cholinesterase inhibitors.
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Affiliation(s)
- Fouad K Mohammad
- Department of Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine, University of Mosul, Mosul, IRQ
- College of Nursing, The American University of Kurdistan, Duhok, IRQ
| | - Ammar A Mohammed
- Department of Pharmacology, College of Pharmacy, University of Duhok, Duhok, IRQ
| | - Ghada A Faris
- Department of Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine, University of Mosul, Mosul, IRQ
| | - Banan Al-Baggou
- Department of Toxicology, College of Veterinary Medicine, University of Mosul, Mosul, IRQ
| | - Yaareb J Mousa
- Department of Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine, University of Mosul, Mosul, IRQ
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Pegu R, Paul S, Bhattacharyya P, Prakash A, Bhattacharya SS. Exorbitant signatures of pesticides and pharmaceuticals in municipal solid wastes (MSWs): Novel insights through risk analysis, dissolution dynamics, and model-based source identification. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:165855. [PMID: 37516171 DOI: 10.1016/j.scitotenv.2023.165855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/17/2023] [Accepted: 07/26/2023] [Indexed: 07/31/2023]
Abstract
Studies on the occurrence and fates of emerging organic micropollutants (EOMPs) like pharmaceuticals and pesticides in MSWs are scarce in the literature. Therefore, MSWs were sampled from 20 Indian landfills and characterized for five widely consumed EOMPs (chlorpyrifos, cypermethrin, carbofuran, carbamazepine, and sodium diclofenac), physicochemical, and biological properties. The pesticide (median: 0.17-0.44 mg kg-1) and pharmaceutical (median: 0.20-0.26 mg kg-1) concentrations significantly fluctuated based on landfill localities. Eventually, principal component and multi-factor (MFA) models demonstrated close interactions of EOMPs with biological (microbial biomass and humification rates) and chemical (N, P, K, Ca, S, etc.) properties of MSWs. At the same time, the MFA resolved that EOMPs' fates in MSWs significantly differ from bigger cosmopolitan cities to smaller rural townships. Correspondingly, the concentration-driven ecological risks were high in 15 MSWs with EOMP-toxicity ranks of diclofenac > carbofuran = chlorpyrifos > cypermethrin > carbamazepine. The EOMPs' dissolution dynamics and source apportionments were evaluated using the positive matrix factorization (PMF) model for the first time on experimental data, extracting four anthropogenic sources (households, heterogeneous business centers, agricultural, and open drains). The most significant contribution of EOMPs to MSWs was due to heterogeneous business activity. Notably, the aging of soluble chemical fractions seems to influence the source characteristics of EOMPs strongly.
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Affiliation(s)
- Ratul Pegu
- Soil and Agro Bio-engineering Laboratory, Department of Environmental Science, Tezpur Central University, Napaam, Tezpur 784028, Assam, India
| | - Sarmistha Paul
- Soil and Agro Bio-engineering Laboratory, Department of Environmental Science, Tezpur Central University, Napaam, Tezpur 784028, Assam, India; State Pollution Control Board, Govt. of Assam, Guwahati-781021, India
| | - Pradip Bhattacharyya
- Agricultural and Ecological Research Unit, Indian Statistical Institute, Giridih, Jharkhand 815301, India
| | - Amit Prakash
- Environmental Modeling Laboratory, Department of Environmental Science, Tezpur Central University, Napaam, Tezpur 784028, Assam, India.
| | - Satya Sundar Bhattacharya
- Soil and Agro Bio-engineering Laboratory, Department of Environmental Science, Tezpur Central University, Napaam, Tezpur 784028, Assam, India.
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Guzman-Torres H, Sandoval-Pinto E, Cremades R, Ramírez-de-Arellano A, García-Gutiérrez M, Lozano-Kasten F, Sierra-Díaz E. Frequency of urinary pesticides in children: a scoping review. Front Public Health 2023; 11:1227337. [PMID: 37711246 PMCID: PMC10497881 DOI: 10.3389/fpubh.2023.1227337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/26/2023] [Indexed: 09/16/2023] Open
Abstract
Pesticides are any mix of ingredients and substances used to eliminate or control unwanted vegetable or animal species recognized as plagues. Its use has been discussed in research due to the scarcity of strong scientific evidence about its health effects. International literature is still insufficient to establish a global recommendation through public policy. This study aims to explore international evidence of the presence of pesticides in urine samples from children and their effects on health through a scoping review based on the methodology described by Arksey and O'Malley. The number of articles resulting from the keyword combination was 454, and a total of 93 manuscripts were included in the results and 22 were complementary. Keywords included in the search were: urinary, pesticide, children, and childhood. Children are exposed to pesticide residues through a fruit and vegetable intake environment and household insecticide use. Behavioral effects of neural damage, diabetes, obesity, and pulmonary function are health outcomes for children that are commonly studied. Gas and liquid chromatography-tandem mass spectrometry methods are used predominantly for metabolite-pesticide detection in urine samples. Dialkylphosphates (DAP) are common in organophosphate (OP) metabolite studies. First-morning spot samples are recommended to most accurately characterize OP dose in children. International evidence in PubMed supports that organic diets in children are successful interventions that decrease the urinary levels of pesticides. Several urinary pesticide studies were found throughout the world's population. However, there is a knowledge gap that is important to address (public policy), due to farming activities that are predominant in these territories.
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Affiliation(s)
- Horacio Guzman-Torres
- Departamento de Salud Pública, Centro Universitario en Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Elena Sandoval-Pinto
- Departamento de Biología Celular y Molecular, Centro Universitario de Ciencias Biológico Agropecuarias, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Rosa Cremades
- Departamento de Microbiología y Parasitología, Centro Universitario en Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Adrián Ramírez-de-Arellano
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Mariana García-Gutiérrez
- Centro Metropolitano de Atención de la Diabetes Tipo 1, OPD Servicios de Salud, Secretaría de Salud Jalisco, Guadalajara, Jalisco, Mexico
| | - Felipe Lozano-Kasten
- Departamento de Salud Pública, Centro Universitario en Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Erick Sierra-Díaz
- Departamentos de Clínicas Quirúrgicas y Salud Pública, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
- División de Epidemiología, UMAE Hospital de Especialidades Centro Médico Nacional de Occidente del IMSS, Guadalajara, Mexico
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Siddique S, Chaudhry MN, Ahmad SR, Nazir R, Zhao Z, Javed R, Alghamdi HA, Mahmood A. Ecological and human health hazards; integrated risk assessment of organochlorine pesticides (OCPs) from the Chenab River, Pakistan. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163504. [PMID: 37080307 DOI: 10.1016/j.scitotenv.2023.163504] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/01/2023] [Accepted: 04/10/2023] [Indexed: 05/03/2023]
Abstract
Carcinogenic hazards to human health were investigated through oral and dermal exposure to organochlorine pesticides (OCPs) from water samples (n = 120) of River Chenab, Pakistan. The Pioneering study aimed to employ an integrated geographic information system (GIS) based geostatistical method for the determination of pollution load by GC-ECD from water of River Chenab. The residual levels of OCPs detected from water samples ranged from 0.54 to 122 ng L-1 with significant prevalence of DDE and α-HCH. Results of the Nemerrow pollution index (NeI), single pollution index (SPI), and comprehensive pollution index (CPI) reflected the downstream zone a stern pollution risk zone. The spatial distribution pattern through geostatistical approaches also revealed significantly higher (p < 0.05) OCP levels in the downstream zone. Risk quotient (RQCCC) of surface water quality with respect to heptachlor epitomized a high level of risk (RQCCC > 1). Non-carcinogenic human health risk (Σ HQ) assessment ranged from 8.39 × 10-9 to 1.7 × 10-3, which represented a marginal risk through oral and dermal exposure. However, carcinogenic risks by oral exposure route were ranged from 3.57 × 10-11 to 4.46 × 10-6. Estimated cancer risk (ΣCR) exhibited a considerable carcinogenic risk posed by heptachlor, α-HCH and dieldrin. It is suggested to employ an immediate mitigation strategy for the constant discharge of OCPs in the studied area.
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Affiliation(s)
- Sidra Siddique
- College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
| | - M Nawaz Chaudhry
- Department of Environmental Science and Policy, Faculty of Basic Sciences, Lahore School of Economics, Lahore, Pakistan
| | - Sajid Rashid Ahmad
- College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
| | - Rabia Nazir
- Applied Chemistry Research Centre, Pakistan Council of Scientific and Industrial Research Laboratories Complex, Lahore, Pakistan
| | - Zhen Zhao
- College of Marine Ecology and Environment, Shanghai Ocean University, 201306 Shanghai, PR China
| | - Rimsha Javed
- Department of Environmental Sciences, Government College Women University, Sialkot, Pakistan
| | - Huda Ahmed Alghamdi
- Department of Biology, College of Sciences, King Khalid University, Abha 61413, Saudi Arabia
| | - Adeel Mahmood
- Department of Environmental Sciences, Government College Women University, Sialkot, Pakistan.
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Mohammad FK, Garmavy HMS, Mohammed AA, Rashid HM. First meta-analysis study of cholinesterase inhibition in experimental animals by organophosphate or carbamate insecticides under the influence of diphenhydramine. Vet World 2023; 16:118-125. [PMID: 36855355 PMCID: PMC9967732 DOI: 10.14202/vetworld.2023.118-125] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 11/29/2022] [Indexed: 01/18/2023] Open
Abstract
Background and Aim Diphenhydramine is an H1-antihistamine that counteracts the toxic effects of organophosphate and carbamate insecticides that inhibit cholinesterase (ChE) activity. This meta-analysis aimed to investigate the effects of diphenhydramine on ChE inhibition induced by these insecticides in the plasma, erythrocytes, or whole brain of experimental animals. Materials and Methods A data search was performed on erythrocyte, plasma, and brain ChE inhibition caused by organophosphate and carbamate insecticides in experimental animals (mice, rats, and chicks) treated with the antihistamine diphenhydramine in accordance with preferred reporting items for systematic reviews and meta-analysis, which was done by the two-group random-effects model meta-analysis. The meta-analysis included 18 records extracted from six studies that, appeared from 1996 to 2022. Results Using the random-effects model, a two-group meta-analysis revealed that the combined effect size (ChE inhibition) was significantly more favorable in the control group than in the diphenhydramine intervention, as shown by a forest plot. The combined effect size (standardized mean difference) was 0.67, with a standard error of 0.3, a lower limit of 0.04, and an upper limit of 1.29 (p = 0.025). The heterogeneity was moderate, as I2 of the combined effect size was 74%, with a significant Cochrane Q-test result (Q = 65, p < 0.0001). Subgroup analysis indicated that, with brain ChE inhibition, the heterogeneity (I2) became 5%, which was lower than ChE inhibition in plasma (84%) and erythrocytes (78%). No publication bias was identified using the funnel plot and Egger's test. Conclusion This meta-analysis suggests that, in addition to its documented antidotal action against ChE-inhibiting insecticides, diphenhydramine can also reduce the extent of ChE inhibition, especially in the brain, which is the main site of toxicity of these insecticides. There is a need for additional studies to assess such enzyme inhibition in different parts of the brain.
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Affiliation(s)
- Fouad K. Mohammad
- Department of Physiology, Biochemistry, and Pharmacology, College of Veterinary Medicine, University of Mosul, Mosul, Iraq
| | - Hishyar M. S. Garmavy
- Department of Pharmacology, College of Pharmacy, University of Duhok, Duhok, KRG, Iraq
| | - Ammar A. Mohammed
- Department of Pharmacology, College of Pharmacy, University of Duhok, Duhok, KRG, Iraq
| | - Hussein M. Rashid
- Department of Pharmacology, College of Pharmacy, University of Duhok, Duhok, KRG, Iraq
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9
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Sultan H, Zhan J, Rashid W, Chu X, Bohnett E. Systematic Review of Multi-Dimensional Vulnerabilities in the Himalayas. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12177. [PMID: 36231508 PMCID: PMC9566038 DOI: 10.3390/ijerph191912177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
The Himalayan region is a fragile high mountain landscape where the population experiences acute vulnerability within a complex coupled human-natural system due to environmental, social, and economic linkages. The lack of significant regional and spatial knowledge of multi-faceted vulnerabilities hinders any potential recommendations to address these vulnerabilities. We systematically reviewed the literature to recommend mitigation interventions based on the region's socio-economic and ecological vulnerability research to date. We applied the PRISMA (Preferred Reporting of Items for Systematic Review and Meta-Analysis) criteria to search for results from four comprehensive databases. For our assessment, we compiled a final sample (n = 59) of vulnerability research papers to examine the vulnerability types, spatial variation, assessment methodology, and significant drivers of change. Our study represented all Himalayan countries, namely, India, Nepal, Pakistan, China, and Bhutan. More than half of the vulnerability studies were conducted in the central Himalayan region, a quarter in the western Himalayas, and a few in the eastern Himalayas. Our review revealed that the primary drivers of change were climate change, land use/land cover, and glacial lake formation. The vulnerability assessments in the Himalayan region primarily used social science methods as compared to natural science methods. While the vulnerability studies seldom assessed mitigation interventions, our analysis identified fourteen recommendations. The recommended interventions mainly included policy interventions, livelihood improvement, and adaptation measures. This study emphasized that sustainable development requires cross-sectoral interventions to manage existing resources and mitigate the confronting vulnerabilities of the region.
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Affiliation(s)
- Hameeda Sultan
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Jinyan Zhan
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Wajid Rashid
- Department of Environmental and Conservation Sciences, University of Swat, Mingora Swat 19130, Pakistan
| | - Xi Chu
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Eve Bohnett
- Department of Biology, San Diego State University, San Diego, CA 92182, USA
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