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Infectious Disease: Parasitic Diseases

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Roaming behavior of the owned domestic cats (Felis catus) with possible roles in the transmission of Opisthorchis viverrini in the endemic area in Khon Kaen, Thailand
Acta Trop. 2023 Sep 1:107013. doi: 10.1016/j.actatropica.2023.107013. Online ahead of print.ABSTRACTIn the endemic area of the liver fluke (Opisthorchis viverrini) infection, effective control of opisthorchiasis using One Health approaches requires transmission interruption in all hosts in the parasite life cycle. Owned domestic cats (Felis catus) are considered an important species among mammalian reservoirs. Similar to humans, household cats become infected by eating raw, contaminated fish and spread the O. viverrini eggs to the environment by defecation. In rural areas, cat owners usually feed their cats with human food...
Source: Acta Tropica - September 3, 2023 Category: Infectious Diseases Authors: Makoto Sakamoto Songkiad Upontain Pornphutthachat Sota Jeffrey Mariner Prasarn Tangkawattana Sirikachorn Tangkawattana Source Type: research

Molecular evidence of Bartonella spp. in wild lowland tapirs (Tapirus terrestris), the largest land mammals in Brazil
Comp Immunol Microbiol Infect Dis. 2023 Aug 23;101:102042. doi: 10.1016/j.cimid.2023.102042. Online ahead of print.ABSTRACTThe genus Bartonella (Hyphomicrobiales: Bartonellaceae) encompasses facultative intracellular α-proteobacteria that parasite erythrocytes and endothelial cells from a wide range of vertebrate hosts and can cause disease in animals and humans. Considering the large diversity of vertebrate species that may act as reservoirs and arthropod species that may be associated with Bartonella transmission, the exposure of animals and humans to these microorganisms is likely underestimated. The present study aime...
Source: Comparative immunology, microbiology and infectious diseases. - September 3, 2023 Category: Allergy & Immunology Authors: Anna Claudia Baumel Mongruel Em ília Patrícia Medici Ariel da Costa Canena Clara Morato Dias Rosangela Zacarias Machado Marcos Rog ério André Source Type: research

H19/Mir-130b-3p/Cyp4a14 potentiate the effect of praziquantel on liver in the treatment of Schistosoma japonicum infection
CONCLUSIONS: Our findings indicate the involvement of the H19/miR-130b-3p/Cyp4a14 axis in the effect of PZQ on the liver after S. japonicum infection. Moreover, the expression of mRNA Cyp4a14 could be regulated by the bonding of miR-130b-3p with 3'UTR of Cyp4a14. The findings of this study could provide a novel perspective to understand the host response to PZQ against S. japonicum in the future.PMID:37659685 | DOI:10.1016/j.actatropica.2023.107012
Source: Acta Tropica - September 2, 2023 Category: Infectious Diseases Authors: Rui Ma Qiang Liu Zimo Liu Xu Sun Xinze Jiang Jiangshan Hou Yumei Zhang Yulong Wu Mei Cheng Zhouyan Dong Source Type: research

Bcl-6 expression by CD4 + T cells determines concomitant immunity and host resistance across distinct parasitic infections
Mucosal Immunol. 2023 Aug 31:S1933-0219(23)00066-1. doi: 10.1016/j.mucimm.2023.08.004. Online ahead of print.ABSTRACTCD4+ T cells consist of multiple subtypes, defined by expression of lineage-specific transcription factors, that contribute to the control of infectious diseases by providing help to immune and non-immune target cells. In the current study, we examined the role of B cell lymphoma (Bcl)-6, a transcriptional repressor and master regulator of T follicular helper cell differentiation, in T cell-mediated host defense against intestinal and systemic parasitic infections. We demonstrate that while Bcl-6 expression ...
Source: Cancer Control - September 2, 2023 Category: Cancer & Oncology Authors: Alexandre P Meli Gabriel A Russell Sharada Swaminathan Laura Weichselbaum Clara A MacMahon Erwan Pernet Danielle Karo-Atar Dakota Rogers Annie Rochette Ghislaine Fontes Judith N Mandl Maziar Divangahi Ophir D Klein Alex Gregorieff Simona St äger Irah L K Source Type: research

Recent advances in fluorescence-based chemosensing of organoarsenic feed additives using luminescence MOFs, COFs, HOFs, and QDs
This article is licensed under aCreative Commons Attribution-NonCommercial 3.0 Unported Licence.Sankarasekaran Shanmugaraju, Rajdeep Mondal, Ananthu Shanmughan, A Murugeswari Organoarsenics are low-toxicity compounds that are used widely as feed additives to promote livestock growth, enhance meat pigmentation, and fight against intestinal parasites. The organoarsenic compounds are commonly found in... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Chem. Commun. latest articles - September 1, 2023 Category: Chemistry Authors: Sankarasekaran Shanmugaraju Source Type: research

Combination of inhibitors for two glycolytic enzymes portrays high synergistic efficacy against Cryptosporidium parvum 
Antimicrob Agents Chemother. 2023 Sep 1:e0056923. doi: 10.1128/aac.00569-23. Online ahead of print.ABSTRACTCryptosporidium is an intracellular protozoan parasite that causes serious enteric disease in humans and in a wide range of animals worldwide. Despite its high prevalence, no effective therapeutic drugs are available against life-threatening cryptosporidiosis in at-risk populations including malnourished children, immunocompromised patients, and neonatal calves. Thus, new efficacious drugs are urgently needed to treat all susceptible populations with cryptosporidiosis. Unlike other apicomplexans, Cryptosporidium parvu...
Source: Antimicrobial Agents and Chemotherapy - September 1, 2023 Category: Microbiology Authors: Shahbaz M Khan Muhammad Rashid Bajwa Rachael Y Lahar William H Witola Source Type: research

AoMedA has a complex regulatory relationship with AoBrlA, AoAbaA, and AoWetA in conidiation, trap formation, and secondary metabolism in the nematode-trapping fungus Arthrobotrys oligospora 
In this study, the functions of four key regulators (AoMedA, AoBrlA, AoAbaA, and AoWetA) involved in conidiation were characterized in A. oligospora. A complex interaction between AoMedA and three central regulators was noted; these regulators are required for conidiation and trap formation and play a pleiotropic role in multiple intracellular activities. Our study first revealed the role of AoMedA and three central regulators in conidiation, trap formation, and pathogenicity of A. oligospora, which contributed to elucidating the regulatory mechanism of conidiation in NT fungi and helped in developing effective reagents fo...
Source: Applied and Environmental Microbiology - September 1, 2023 Category: Microbiology Authors: Na Bai Meihua Xie Qianqian Liu Yingmei Zhu Xuewei Yang Ke-Qin Zhang Jinkui Yang Source Type: research

Understanding the structure and function of Plasmodium aminopeptidases to facilitate drug discovery
Curr Opin Struct Biol. 2023 Aug 30;82:102693. doi: 10.1016/j.sbi.2023.102693. Online ahead of print.ABSTRACTMalaria continues to be the most widespread parasitic disease affecting humans globally. As parasites develop drug resistance at an alarming pace, it has become crucial to identify novel drug targets. Over the last decade, the metalloaminopeptidases have gained importance as potential targets for new antimalarials. These enzymes are responsible for removing the N-terminal amino acids from proteins and peptides, and their restricted specificities suggest that many perform unique and essential roles within the malaria ...
Source: Current Opinion in Structural Biology - September 1, 2023 Category: Biology Authors: Mahta Mansouri Kajal Daware Chaille T Webb Sheena McGowan Source Type: research

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