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Liu Y, Chen G, Cao J, Zhang J, Luo C, Huang L. The "double-edged sword effect" of nicotine. Fitoterapia 2024; 177:106102. [PMID: 38945494 DOI: 10.1016/j.fitote.2024.106102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/25/2024] [Accepted: 06/27/2024] [Indexed: 07/02/2024]
Abstract
As the main effect substances of tobacco products, the physiological effects of nicotine have attracted the attention of researchers, especially in recent years, the discussion on the benefits and harms of nicotine (or tobacco products) has become increasingly fierce. In this review, the structure, distribution and physiological effects of nicotinic acetylcholine receptor (nAchR) are summarized. The absorption, distribution, metabolism and excretion of nicotine in the body were introduced. Further, the positive effects of low-dose and short-term nicotine exposure on mitochondrial function regulation, stem cell proliferation and differentiation, nervous system protection and analgesia were elucidated. At the same time, it is also discussed that high-dose and long-term nicotine exposure can activate the oxidative stress effect, mediate abnormal epigenetic modification, and enhance the immune inflammatory response, and then produce negative effects on the body. To sum up, this review suggests that there is a "double-edged sword" effect of nicotine, which on the one hand helps people to understand the physiological effects of nicotine more comprehensively and carefully, and on the other hand provides some theoretical basis for the rational use of nicotine and the innovative development of related products.
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Affiliation(s)
- Yi Liu
- China Tobacco Hubei Industrial Co., Ltd, Wuhan 430040, China
| | - Guang Chen
- China Tobacco Hubei Industrial Co., Ltd, Wuhan 430040, China
| | - JiXue Cao
- China Tobacco Hubei Industrial Co., Ltd, Wuhan 430040, China
| | - Jing Zhang
- China Tobacco Hubei Industrial Co., Ltd, Wuhan 430040, China
| | - ChengHao Luo
- China Tobacco Hubei Industrial Co., Ltd, Wuhan 430040, China.
| | - Long Huang
- China Tobacco Hubei Industrial Co., Ltd, Wuhan 430040, China.
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Qie X, Ren Y, Chen X, Du Y, Dong K, Hu Z. Role of DSC1 in Drosophila melanogaster synaptic activities in response to haedoxan A. INSECT SCIENCE 2023; 30:1677-1688. [PMID: 36752392 DOI: 10.1111/1744-7917.13180] [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: 11/03/2022] [Revised: 01/12/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Drosophila sodium channel 1 (DSC1) encodes a voltage-gated divalent cation channel that mediates neuronal excitability in insects. Previous research revealed that DSC1 knockout Drosophila melanogaster conferred different susceptibility to insecticides, which indicated the vital regulation role of DSC1 under insecticide stress. Haedoxan A (HA) is a lignan compound isolated from Phryma leptostachya, and we found that HA has excellent insecticidal activity and is worthy of further study as a botanical insecticide. Herein, we performed bioassay and electrophysiological experiments to test the biological and neural changes in the larval Drosophila with/without DSC1 knockout in response to HA. Bioassay results showed that knockout of DSC1 reduced the sensitivity to HA in both w1118 (a common wild-type strain in the laboratory) and parats1 (a pyrethroid-resistant strain) larvae. Except for parats1 /DSC1-/- , electrophysiology results implicated that HA delayed the decay rate and increased the frequency of miniature excitatory junctional potentials of Drosophila from w1118 , parats1 , and DSC1-/- strains. Moreover, the neuromuscular synapse excitatory activities of parats1 /DSC1-/- larvae were more sensitive to HA than DSC1-/- larvae, which further confirmed the functional contribution of DSC1 to neuronal excitability. Collectively, these results indicated that the DSC1 channel not only regulated the insecticidal activity of HA, but also maintained the stability of neural circuits through functional interaction with voltage-gated sodium channels. Therefore, our study provides useful information for elucidating the regulatory mechanism of DSC1 in the neural system of insects involving the action of HA derived from P. leptostachya.
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Affiliation(s)
- Xingtao Qie
- Institution of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi Province, China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, Shaanxi Province, China
- Department of Plant Protection, College of Plant Protection, Shanxi Agricultural University, Taigu, Shanxi Province, China
| | - Yaxin Ren
- Institution of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi Province, China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, Shaanxi Province, China
| | - Xueting Chen
- Institution of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi Province, China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, Shaanxi Province, China
| | - Yuzhe Du
- Southern Insect Management Research Unit, Agricultural Research Service, United States Department of Agriculture, Stoneville, MS, USA
| | - Ke Dong
- Department of Biology, Duke University, Durham, NC, USA
| | - Zhaonong Hu
- Institution of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi Province, China
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, Shaanxi Province, China
- Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau, Ministry of Agriculture, Northwest A&F University, Yangling, Shanxi Province, China
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Mantilla Afanador JG, Araujo SHC, Teixeira MG, Lopes DT, Cerceau CI, Andreazza F, Oliveira DC, Bernardi D, Moura WS, Aguiar RWS, Oliveira ACSS, Santos GR, Alvarenga ES, Oliveira EE. Novel Lactone-Based Insecticides and Drosophila suzukii Management: Synthesis, Potential Action Mechanisms and Selectivity for Non-Target Parasitoids. INSECTS 2023; 14:697. [PMID: 37623407 PMCID: PMC10455539 DOI: 10.3390/insects14080697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/28/2023] [Accepted: 08/06/2023] [Indexed: 08/26/2023]
Abstract
Drosophila suzukii, an invasive insect pest, poses a significant threat to various fruit crops. The use of broad-spectrum insecticides to control this pest can reduce the effectiveness of biological control agents, such as the parasitoid Trichopria anastrephae. Here, we evaluated the toxicity of newly synthesized lactone derivatives on D. suzukii and their selectivity towards T. anastrephae. We used in silico approaches to identify potential targets from the most promising molecules in the D. suzukii nervous system and to understand potential differences in susceptibilities between D. suzukii and its parasitoid. Of the nine molecules tested, (rac)-8 and compound 4 demonstrated efficacy against the fly. Exposure to the estimated LC90 of (rac)-8 and compound 4 resulted in a mortality rate of less than 20% for T. anastrephae without impairing the parasitoid's functional parasitism. The in silico predictions suggest that (rac)-8 and compound 4 target gamma amino butyric acid (GABA) receptors and transient receptor potential (TRP) channels of D. suzukii. However, only the reduced interaction with TRP channels in T. anastrephae demonstrated a potential reason for the selectivity of these compounds on the parasitoid. Our findings suggest the potential for integrating (rac)-8 and compound 4 into D. suzukii management practices.
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Affiliation(s)
- Javier G. Mantilla Afanador
- Research Institute in Microbiology and Agroindustrial Biotechnology, Universidad Católica de Manizales, Carrera 23, 60–63, Manizales 170002, Colombia;
| | - Sabrina H. C. Araujo
- Departamento de Entomologia, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil;
| | - Milena G. Teixeira
- Departamento de Química, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil (E.S.A.)
| | - Dayane T. Lopes
- Departamento de Química, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil (E.S.A.)
| | - Cristiane I. Cerceau
- Departamento de Química, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil (E.S.A.)
| | - Felipe Andreazza
- Departamento de Entomologia, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil;
| | - Daiana C. Oliveira
- Department of Plant Protection, Federal University of Pelotas, Pelotas, Mailbox 354, Capão-do-Leão 96010-900, RS, Brazil (D.B.)
| | - Daniel Bernardi
- Department of Plant Protection, Federal University of Pelotas, Pelotas, Mailbox 354, Capão-do-Leão 96010-900, RS, Brazil (D.B.)
| | - Wellington S. Moura
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia—Rede Bionorte, Universidade Federal do Tocantins (UFT), Gurupi 77402-970, TO, Brazil
| | - Raimundo W. S. Aguiar
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi 77402-970, TO, Brazil; (R.W.S.A.); (G.R.S.)
| | - Ana C. S. S. Oliveira
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi 77402-970, TO, Brazil; (R.W.S.A.); (G.R.S.)
| | - Gil R. Santos
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi 77402-970, TO, Brazil; (R.W.S.A.); (G.R.S.)
| | - Elson S. Alvarenga
- Departamento de Química, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil (E.S.A.)
| | - Eugenio E. Oliveira
- Departamento de Entomologia, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, MG, Brazil;
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Zang C, Wang X, Cheng P, Liu L, Guo X, Wang H, Lou Z, Lei J, Wang W, Wang Y, Gong M, Liu H. Evaluation of the evolutionary genetics and population structure of Culex pipiens pallens in Shandong province, China based on knockdown resistance (kdr) mutations and the mtDNA-COI gene. BMC Genomics 2023; 24:145. [PMID: 36964519 PMCID: PMC10039558 DOI: 10.1186/s12864-023-09243-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 03/11/2023] [Indexed: 03/26/2023] Open
Abstract
BACKGROUND Mosquitoes are important vectors for a range of diseases, contributing to high rates of morbidity and mortality in the human population. Culex pipiens pallens is dominant species of Culex mosquito in northern China and a major vector for both West Nile virus and Bancroftian filariasis. Insecticide application were largely applied to control the mosquito-mediated spread of these diseases, contributing to increasing rates of resistance in the mosquito population. The voltage-gated sodium channel (Vgsc) gene is the target site of pyrethroids, and mutations in this gene cause knockdown resistance (kdr). While these kdr mutations are known to be critical to pyrethroid resistance, their evolutionary origins remain poorly understood. Clarifying the origins of these mutations is potential to guide further vector control and disease prevention efforts. Accordingly, the present study was designed to study the evolutionary genetics of kdr mutations and their association with the population structure of Cx. p. pallens in Shandong province, China. METHODS Adult Culex females were collected from Shandong province and subjected to morphological identification under a dissection microscope. Genomic DNA were extracted from the collected mosquitoes, the Vgsc gene were amplified via PCR and sequenced to assess kdr allele frequencies, intron polymorphisms, and kdr codon evolution. In addition, population genetic diversity and related population characteristics were assessed by amplifying and sequencing the mitochondrial cytochrome C oxidase I (COI) gene. RESULTS Totally, 263 Cx. p. pallens specimens were used for DNA barcoding and sequencing analyses to assess kdr allele frequencies in nine Culex populations. The kdr codon L1014 in the Vgsc gene identified two non-synonymous mutations (L1014F and L1014S) in the analyzed population. These mutations were present in the eastern hilly area and west plain region of Shandong Province. However, only L1014F mutation was detected in the southern mountainous area and Dongying city of Shandong Province, where the mutation frequency was low. Compared to other cities, population in Qingdao revealed significant genetic differentiation. Spatial kdr mutation patterns are likely attributable to some combination of prolonged insecticide-mediated selection coupled with the genetic isolation of these mosquito populations. CONCLUSIONS These data suggest that multiple kdr alleles associated with insecticide resistance are present within the Cx. p. pallens populations of Shandong Province, China. The geographical distributions of kdr mutations in this province are likely that the result of prolonged and extensive insecticide application in agricultural contexts together with frequent mosquito population migrations. In contrast, the low-frequency kdr mutation detected in central Shandong Province populations may originate from the limited selection pressure in this area and the relative genetic isolation. Overall, the study compares the genetic patterns revealed by a functional gene with a neutral marker and demonstrates the combined impact of demographic and selection factors on population structure.
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Affiliation(s)
- Chuanhui Zang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Xuejun Wang
- Shandong Center for Disease Control and Prevention, Jinan, Shandong, People's Republic of China
| | - Peng Cheng
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Lijuan Liu
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Xiuxia Guo
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Haifang Wang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Ziwei Lou
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Jingjing Lei
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Wenqian Wang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Yiting Wang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Maoqing Gong
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
| | - Hongmei Liu
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
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