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Zheng T, Liu JH, Zhu TY, Li B, Li JS, Gu YY, Nie J, Xiong T, Lu FG. Novel insights into the glucose metabolic alterations of freshwater snails: a pathway to molluscicide innovation and snail control strategies. Parasitol Res 2024; 123:257. [PMID: 38940835 DOI: 10.1007/s00436-024-08274-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 06/19/2024] [Indexed: 06/29/2024]
Abstract
As ecosystem disruptors and intermediate hosts for various parasites, freshwater snails have significant socioeconomic impacts on human health, livestock production, and aquaculture. Although traditional molluscicides have been widely used to mitigate these effects, their environmental impact has encouraged research into alternative, biologically based strategies to create safer, more effective molluscicides and diminish the susceptibility of snails to parasites. This review focuses on alterations in glucose metabolism in snails under the multifaceted stressors of parasitic infections, drug exposure, and environmental changes and proposes a novel approach for snail management. Key enzymes within the glycolytic pathway, such as hexokinase and pyruvate kinase; tricarboxylic acid (TCA) cycle; and electron transport chains, such as succinate dehydrogenase and cytochrome c oxidase, are innovative targets for molluscicide development. These targets can affect both snails and parasites and provide an important direction for parasitic disease prevention research. For the first time, this review summarises the reverse TCA cycle and alternative oxidase pathway, which are unique metabolic bypasses in invertebrates that have emerged as suitable targets for the formulation of low-toxicity molluscicides. Additionally, it highlights the importance of other metabolic pathways, including lactate, alanine, glycogenolysis, and pentose phosphate pathways, in snail energy supply, antioxidant stress responses, and drug evasion mechanisms. By analysing the alterations in key metabolic enzymes and their products in stressed snails, this review deepens our understanding of glucose metabolic alterations in snails and provides valuable insights for identifying new pharmacological targets.
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Affiliation(s)
- Tao Zheng
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Jia Hao Liu
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Ting Yao Zhu
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Bin Li
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Jia Shan Li
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Yun Yang Gu
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Juan Nie
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Tao Xiong
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China.
| | - Fang Guo Lu
- Department of Microbiology, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China.
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Wang N, Sieng S, Liang T, Xu J, Han Q. Intestine proteomic and metabolomic alterations in dogs infected with Toxocara canis. Acta Trop 2024; 252:107140. [PMID: 38341054 DOI: 10.1016/j.actatropica.2024.107140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 01/31/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024]
Abstract
Toxocariasis is an important zoonotic parasitic disease. Toxocaris canis adults live and reproduce in the intestinal tract of dogs and other canine hosts, and the infectious eggs are continuously excreted in feces, which causes environmental contamination and has an important public health significance. In this study, TMT proteomic and untargeted metabolomic methods were used to explore the physiological and pathological effects on the intestinal tract of dogs which infected with T. canis, and a series of bioinformatics analyses were conducted to identify differentially expressed proteins (DEPs) and differentially expressed metabolites (DEMs). The proteomics results showed that 198 DEPs were mainly enriched in the immune system and signal transduction pathway, and involved in the regulation of the occurrence and development of cancer and infectious diseases. T. canis could disrupt intestinal permeability by increasing the expression of proteins such as zinc finger protein DZIP1L and myosin heavy chain 10. Additionally, T. canis infection could also inhibit the host immune response by decreasing the expression of MHC-II, NF-κB, DLA and other immune-related molecules. While, the metabolomics results revealed that the expression of oxoglutaric acid, glutamate, d-aspartate, arginine, taurochenodeoxycholic acid and taurocholic acid which participated in tricarboxylic acid (TCA) cycle, glycolysis/gluconeogenesis, bile secretion, biosynthesis of amino acids pathway were significantly decreased. The correlation results of proteomics and metabolomics showed that DEPs and DEMs were mainly co-enriched in bile secretion pathway to regulate intestinal peristalsis. Analyzing DEPs and DEMs will not only provide insights into the mechanisms of host parasite interaction, but also aid in identifying potential targets for therapy and diagnosis, thus setting the groundwork for effectively preventing and managing toxocariasis.
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Affiliation(s)
- Na Wang
- Laboratory of Tropical Veterinary Medicine and Vector Biology, College of Life and Health, Hainan University, Haikou, Hainan, 570228, China; Collaborative Innovation Center of One Health, Hainan University, Haikou, Hainan, 570228, China
| | - Soben Sieng
- Laboratory of Tropical Veterinary Medicine and Vector Biology, College of Life and Health, Hainan University, Haikou, Hainan, 570228, China; Collaborative Innovation Center of One Health, Hainan University, Haikou, Hainan, 570228, China
| | - Tian Liang
- Laboratory of Tropical Veterinary Medicine and Vector Biology, College of Life and Health, Hainan University, Haikou, Hainan, 570228, China
| | - Jingyun Xu
- Laboratory of Tropical Veterinary Medicine and Vector Biology, College of Life and Health, Hainan University, Haikou, Hainan, 570228, China; Collaborative Innovation Center of One Health, Hainan University, Haikou, Hainan, 570228, China.
| | - Qian Han
- Laboratory of Tropical Veterinary Medicine and Vector Biology, College of Life and Health, Hainan University, Haikou, Hainan, 570228, China; Collaborative Innovation Center of One Health, Hainan University, Haikou, Hainan, 570228, China.
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Abou-El-Naga IF, Mogahed NMFH. Immuno-molecular profile for Biomphalaria glabrata/Schistosoma mansoni interaction. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 150:105083. [PMID: 37852455 DOI: 10.1016/j.dci.2023.105083] [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: 08/28/2023] [Revised: 10/14/2023] [Accepted: 10/15/2023] [Indexed: 10/20/2023]
Abstract
The complex innate immune defense of Biomphalaria glabrata, the intermediate host of Schistosoma mansoni, governs the successful development of the intramolluscan stages of the parasite. The interaction between the snail and the parasite involves a complex immune molecular crosstalk between several parasite antigens and the snail immune recognition receptors, evoking different signals and effector molecules. This work seeks to discuss the immune-related molecules that influence compatibility in Biomphalaria glabrata/Schistosoma mansoni interaction and the differential expression of these molecules between resistant and susceptible snails. It also includes the current understanding of the immune molecular determinants that govern the compatibility in sympatric and allopatric interactions, and the expression of these molecules after immune priming and the secondary immune response. Herein, the differences in the immune-related molecules in the interaction of other Biomphalaria species with Schistosoma mansoni compared to the Biomphalaria glabrata model snail are highlighted. Understanding the diverse immune molecular determinants in the snail/schistosome interaction can lead to alternative control strategies for schistosomiasis.
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Young ND, Stroehlein AJ, Wang T, Korhonen PK, Mentink-Kane M, Stothard JR, Rollinson D, Gasser RB. Nuclear genome of Bulinus truncatus, an intermediate host of the carcinogenic human blood fluke Schistosoma haematobium. Nat Commun 2022; 13:977. [PMID: 35190553 PMCID: PMC8861042 DOI: 10.1038/s41467-022-28634-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 02/02/2022] [Indexed: 02/07/2023] Open
Abstract
Some snails act as intermediate hosts (vectors) for parasitic flatworms (flukes) that cause neglected tropical diseases, such as schistosomiases. Schistosoma haematobium is a blood fluke that causes urogenital schistosomiasis and induces bladder cancer and increased risk of HIV infection. Understanding the molecular biology of the snail and its relationship with the parasite could guide development of an intervention approach that interrupts transmission. Here, we define the genome for a key intermediate host of S. haematobium—called Bulinus truncatus—and explore protein groups inferred to play an integral role in the snail’s biology and its relationship with the schistosome parasite. Bu. truncatus shared many orthologous protein groups with Biomphalaria glabrata—the key snail vector for S. mansoni which causes hepatointestinal schistosomiasis in people. Conspicuous were expansions in signalling and membrane trafficking proteins, peptidases and their inhibitors as well as gene families linked to immune response regulation, such as a large repertoire of lectin-like molecules. This work provides a sound basis for further studies of snail-parasite interactions in the search for targets to block schistosomiasis transmission. The snail Bulinus truncatus is an intermediate host of the carcinogenic human blood fluke Schistosoma haematobium. Here the authors report the genome of Bu. truncatus, explore protein groups inferred to play a role in its interaction with the schistosome parasite, and identify expansions in gene families linked to immune response regulation.
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Pinto-Almeida A, Mendes TMF, Ferreira P, Abecasis AB, Belo S, Anibal FF, Allegretti SM, Galinaro CA, Carrilho E, Afonso A. A Comparative Proteomic Analysis of Praziquantel-Susceptible and Praziquantel-Resistant Schistosoma mansoni Reveals Distinct Response Between Male and Female Animals. FRONTIERS IN TROPICAL DISEASES 2021. [DOI: 10.3389/fitd.2021.664642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Schistosomiasis is a chronic neglected tropical disease saddling millions of people in the world, mainly children living in poor rural areas. Praziquantel (PZQ) is currently the only drug used for the treatment and control of this disease. However, the extensive use of this drug has brought concern about the emergence of PZQ-resistance/tolerance by Schistosoma mansoni. Studies of Schistosoma spp. genome, transcriptome, and proteome are crucial to better understand this situation. In this in vitro study, we compare the proteomes of a S. mansoni variant strain stably resistant to PZQ and isogenic to its fully susceptible parental counterpart, identifying proteins from male and female adult parasites of PZQ-resistant and PZQ-susceptible strains, exposed and not exposed to PZQ. A total of 60 Schistosoma spp. proteins were identified, some of which present or absent in either strain, which may putatively be involved in the PZQ-resistance phenomenon. These proteins were present in adult parasites not exposed to PZQ, but some of them disappeared when these adult parasites were exposed to the drug. Understanding the development of PZQ-resistance in S. mansoni is crucial to prolong the efficacy of the current drug and develop markers for monitoring the potential emergence of drug resistance.
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Mendes TMF, Carrilho E, Galinaro CA, Cabral FJ, Allegretti SM. Biomphalaria glabrata infected with Angiostrongylus cantonensis: Proteomic changes in the snail host. Acta Trop 2020; 212:105684. [PMID: 32931750 DOI: 10.1016/j.actatropica.2020.105684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 08/25/2020] [Accepted: 08/27/2020] [Indexed: 11/18/2022]
Abstract
Angiostrongylus cantonensis is the main cause of human eosinophilic meningitis. Humans are accidental hosts, becoming infected due to ingestion of raw intermediate (snails and slugs) or paratenic hosts. Once ingested, the larvae migrate towards the brain where they die, causing the disease. To develop better mollusk control strategies, it is important to first understand what happens in the snail during infection, therefore our purpose was to characterize proteomic, metabolic and immunologic changes in Biomphalaria glabrata 24 h after infection with A. cantonensis. For this purpose, proteins were extracted from infected and uninfected snails and analyzed through mass spectrometry. Hemolymph was also collected, the number of hemocytes was counted and urea, nitric oxide, calcium, glycogen levels as well as alanine and aspartate aminotransferases activities were assessed. The cephalopodal region and gonad-digestive gland complex were dissected and their glycogen content was measured. After infection with A. cantonensis, we observed an increase of hemocytes and granulocytes as well as an increase in hemoglobin type 2 proteins. Temptin-like protein was also found up-regulated in infected snails. Several proteins with structural function (such as myosin heavy chain - striated muscle - like and protein LOC106059779 with ADAM/reprosolin domain) were also differentially expressed, suggesting loss/damage of internal tissues. Increase in phosphoglycerate mutase indicates an increase in glycolysis, possible to compensate the increase in energetic needs. Consequently, there is a decrease in glycogen reserves, particularly in the gonad - digestive gland complex.
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Affiliation(s)
- Tiago M F Mendes
- Biology Institute, Animal Biology Department, Campinas State University (UNICAMP) - SP, Brazil
| | - Emanuel Carrilho
- São Carlos Institute of Chemistry - University of São Paulo (USP) - SP, Brazil
| | - Carlos A Galinaro
- São Carlos Institute of Chemistry - University of São Paulo (USP) - SP, Brazil
| | - Fernanda J Cabral
- Biology Institute, Animal Biology Department, Campinas State University (UNICAMP) - SP, Brazil
| | - Silmara M Allegretti
- Biology Institute, Animal Biology Department, Campinas State University (UNICAMP) - SP, Brazil.
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