The association of to several gastric diseases, such as chronic gastritis, peptic ulcer disease, and gastric cancer, and its high prevalence worldwide, raised the necessity to use methods for a proper and fast diagnosis and monitoring the pathogen eradication. Available diagnostic methods can be classified as invasive or non-invasive, and the selection of the best relies on the clinical condition of the patient, as well as on the sensitivity, specificity, and accessibility of the diagnostic test. This review summarises all diagnostic methods currently available, including the invasive methods: endoscopy, histology, culture, and molecular methods, and the rapid urease test (RUT), as well as the non-invasive methods urea breath test (UBT), serological assays, biosensors, and microfluidic devices and the stool antigen test (SAT). Moreover, it lists the diagnostic advantages and limitations, as well as the main advances for each methodology. In the end, research on the development of new diagnostic methods, such as bacteriophage-based diagnostic tools, is also discussed.
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http://dx.doi.org/10.1080/1040841X.2022.2125287 | DOI Listing |
Alzheimers Dement
December 2024
University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC, USA.
Background: Pharmacoepidemiologic studies assessing drug effectiveness for Alzheimer's disease and related dementias (ADRD) are increasingly popular given the critical need for effective therapies for ADRD. To meet the urgent need for robust dementia ascertainment from real-world data, we aimed to develop a novel algorithm for identifying incident and prevalent dementia in claims.
Method: We developed algorithm candidates by different timing/frequency of dementia diagnosis/treatment to identify dementia from inpatient/outpatient/prescription claims for 6,515 and 3,997 participants from Visits 5 (2011-2013; mean age 75.
Background: There is an urgent need for new therapeutic and diagnostic targets for Alzheimer's disease (AD). Dementia afflicts roughly 55 million individuals worldwide, and the prevalence is increasing with longer lifespans and the absence of preventive therapies. Given the demonstrated heterogeneity of Alzheimer's disease in biological and genetic components, it is critical to identify new therapeutic approaches.
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December 2024
Loma Linda University Health, Loma Linda, CA, USA.
Background: Only about 50% of the variance in cognitive decline occurring during Alzheimer's pathogenesis is attributable to standard AD biomarkers (cerebrocortical Aβ, pathological tau, and atrophy) (Tosun et al., Alzheimer's Dement. 18: 1370, 2022).
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Yonsei University, Incheon, Incheon, Korea, Republic of (South).
Background: As amyloid-β (Aβ) aggregates are considered as the biomarkers and key factors in the pathology of Alzheimer's disease, there has been extensive investigation into Aβ-targeting compounds for the development of diagnostics and drug discovery related to the disorder. However, the polymorphic and heterogenous nature of Aβ aggregates impedes the structural understanding of their structure. Consequently it is a major challenge to develop new diagnostic and therapeutic development of AD and to study the mechanism of Aβ-targeting compounds.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, USA.
Background: Some types of cancer have been associated with reduced risk of clinical dementia diagnosis. Whether cancer history may be associated with neuropathological features of neurodegeneration or cerebrovascular disease is not well understood. We investigated the relation between cancer diagnosis and brain pathology in a sample of community-based research volunteers enrolled in an Alzheimer's Disease Research Center (ADRC) cohort.
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