Amebiasis (Entamoeba histolytica Infection)


Amebiasis (Entamoeba histolytica Infection)

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Publication date: Available online 19 August 2019Source: Pathology – Research and PracticeAuthor(s): Hui Wang, Rani KanthanAbstractAmoebiasis, caused by the intestinal protozoan Entamoeba histolytica, though a relatively common parasitic disease in the tropical and subtropical regions, is uncommon in the developed countries. In these countries, as amoebic colitis shares similar clinical symptoms and endoscopic features with inflammatory bowel disease (IBD), these cases can be easily unrecognized and misdiagnosed.In this case report, we discuss the case of an adult patient with invasive intestinal amoebiasis, who was initia…

A large number of transcriptome-level studies in Entamoeba histolytica, the protozoan parasite that causes amoebiasis, have investigated gene expression patterns to help understand the pathology and biology of the organism. They have compared virulent and avirulent strains in lab culture and after tissue invasion, cells grown under different stress conditions, response to anti-amoebic drug treatments, and gene expression changes during the process of encystation. These studies have revealed interesting molecules/pathways that will help increase our mechanistic understanding of differentially expressed genes during growth p…

Conclusions/SignificanceHence, the combined approach ofin silico andin vitro-based EhAPSK analyses identified compounds that can be evaluated for their effects onEntamoeba. This can provide leads for the development of new anti-amoebic and amoebiasis transmission-blocking drugs. This strategy can also be applied to identify specific APSK inhibitors, which will benefit research into sulfur metabolism and the ubiquitous pathway terminally synthesizing essential sulfur-containing biomolecules.

ConclusionOur study demonstrates that up-regulated NID2 plays an important role in promoting the invasion and migration of GC cells and has a potential of being a novel biomarker for diagnosis, treatment and prognosis of GC in the future.

Conclusion: Synchronous hepatic and intestinal amoebiasis is not uncommon, and often requires endoscopic haemostasis in case of gastrointestinal bleeding due to colonic disease. We report the successful endoscopic control of bleeding amoebic ulcers in all 24 patients.
PMID: 31304698 [PubMed – in process]

ConclusionAs enteric infections may be sexually transmitted, in industrialized countries, even in the absence of travel, sexual history should not be neglected.

Source: IDCasesCategory: Infectious Diseases Source Type: research

Curcumin Provides Hepatoprotection against Amoebic Liver Abscess Induced by Entamoeba histolytica in Hamster: Involvement of Nrf2/HO-1 and NF-κB/IL-1β Signaling Pathways.
J Immunol Res. 2019;2019:7431652
Authors: Macías-Pérez JR, Aldaba-Muruato LR, Martínez-Hernández SL, Muñoz-Ortega MH, Pulido-Ortega J, Ventura-Juárez J
Amoebic liver abscess (ALA) is the most common extraintestinal amoebiasis caused by Entamoeba histolytica (E. histolytica). However, despite current knowledge and scientific advances about this infection, there are no effect…

Parasitic diseases caused by helminths (ascariasis, hookworm, trichinosis, and schistosomiasis) and protozoa (Chagas, leishmaniasis, and amebiasis) are considered serious public health problems in developing countries. Additionally, there is a limited arsenal of anti-parasitic drugs in the current pipeline and growing drug resistance. Therefore, there is a clear need for the discovery and development of new compounds that can compete and replace these drugs that have been controlling parasitic infections over the last decades. However, this approach is highly resource-intensive, expensive and time-consumi…

Source: Current Medicinal ChemistryCategory: Chemistry Authors: Tags: Curr Med Chem Source Type: research

Authors: Chen J, Wu F, Shi Y, Yang D, Xu M, Lai Y, Liu Y
Metastasis is the most lethal stage of cancer progression. The present study aimed to investigate the underlying molecular mechanisms of melanoma metastasis using bioinformatics. Using the microarray dataset GSE8401 from the Gene Expression Omnibus database, which included 52 biopsy specimens from patients with melanoma metastasis and 31 biopsy specimens from patients with primary melanoma, differentially expressed genes (DEGs) were identified, subsequent to data preprocessing with the affy package, followed by Gene Ontology and Kyoto Encyc…

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