Even though most viruses cause infection directly through mucosal cells, the vast majority of vaccines are administered intramuscularly in a cellular mismatch that doesn't always produce optimum immunity.
(Medical Xpress)—Gastric adenocarcinoma, a form of stomach cancer, is the second most common cause of death from cancer, accounting for 10 percent of all cancer deaths. The bacterium Helicobacter pylori, found in the gastric ...
(Medical Xpress)—The blood-brain barrier (BBB) prevents most large or hydrophilic (polar) molecules from getting into the brain. For many neurological diseases, like Parkinson's, the presence of the BBB severely limits ...
A new study identifies alterations in the transcriptomic signatures in human olfactory mucosal cells of individuals with Alzheimer's disease following SARS-CoV-2 infection, potentially contributing to exacerbated COVID-19 ...
Dec 15, 2023
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Coronaviruses spread primarily through the air. When infected people speak, cough, sneeze or laugh, they expel droplets of saliva containing the virus. Other people then breathe in these airborne pathogens and become infected ...
Apr 3, 2023
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Dementia with Lewy bodies (DLB), one of the most common forms of dementia, has no cure. Previous studies suggested that gut bacteria, the microorganisms that live in the human digestive tract, play a role in Parkinson's disease, ...
Mar 1, 2023
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A new study led by Gonçalo Bernardes, group leader at the Instituto de Medicina Molecular João Lobo Antunes (iMM; Portugal) and Professor at the University of Cambridge (Cambridge, UK), published recently in the journal ...
Jan 20, 2023
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A common symptom of COVID-19 is a partial or complete loss of smell. The virus infects sustentacular cells in the olfactory epithelium and is thought to impair thereby the activity of the sensory neurons in this epithelium.
Dec 8, 2022
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B cells are critical to the proper functioning of the immune system. However, researchers at Karolinska Institutet have shown that they can sometimes do more harm than good, as their numbers greatly increase after bowel damage, ...
Dec 2, 2022
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Researchers at the University of Colorado School of Medicine have discovered that a unique bacteria found in the gut could be responsible for triggering rheumatoid arthritis (RA) in people already at risk for the autoimmune ...
Oct 27, 2022
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