Soluble Amyloid Precursor Protein Signals to Neural Stem Cells

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Amyloid precursor protein (APP) is best known as the protein that is cleaved to form the plaque-associated protein in the brains of Alzheimer’s patients. The APP gene encodes multiple alternatively spliced mRNA forms. The form that encodes a protein of 695 amino acids (APP695) is expressed in neurons. The transcript that encodes a 770 amino … Read moreSoluble Amyloid Precursor Protein Signals to Neural Stem Cells

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GDF15: Heart Hormone, Appetite Suppressant, Marker of Neurodegenerative Disease

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Coordinating growth with heart health ensures that the heart can keep up with the demands placed on it by the body. A recent study (1) identified a molecule called growth differentiation factor 15 [GDF15, also known as macrophage inhibitory cytokine 1 (MIC1)] that was released from the heart that signals to the liver to inhibit … Read moreGDF15: Heart Hormone, Appetite Suppressant, Marker of Neurodegenerative Disease

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Targeting Pyroglutamate Aβ in Alzheimer’s Disease

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Amyloid-beta (Aβ) is a collection of peptide fragments derived from cleavage of amyloid precursor protein (APP). Some of these fragments are toxic to neurons and aggregate forming oligomers and fibrils. These clusters of Aβ form plaques that accumulate in the brains of people with dementia due to Alzheimer’s disease (Figure 1). Preventing the accumulation of … Read moreTargeting Pyroglutamate Aβ in Alzheimer’s Disease

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Can you be vaccinated against yourself?

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A vaccine may be described as medicine that stimulates an immune response with a “memory.” Many people also consider a vaccine to be a medicine that prevents a disease caused by a pathogen. Indeed, the first vaccines were ones that prevented infectious diseases, such as polio and measles. Some vaccines have been so successful that … Read moreCan you be vaccinated against yourself?

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HSV-Infected Skin Signals to Nerves

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Extracellular signaling molecules mediate the communication between cells or tissues. These can be small proteins (peptides), large proteins, lipids, protein and lipid complexes, carbohydrates, gases, amino acids, nucleic acids, amino acids, and various small organic molecules. These signals can function locally, affecting cells that are near the cells producing the signal, or can function systemically … Read moreHSV-Infected Skin Signals to Nerves

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