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He found two proteins as potential markers for freshness of royal jelly protein and named them royal jelly proteins (RJP-1 and RJP-2). RJP-1 was a 57-kDa monomer which is a subunit of a larger complex (oligomer). [5] In 2011, Kamakura claimed that RJP-1 is the main protein for controlling larval development that distinguishes the queen from ...
Developing queen larvae surrounded by royal jelly. Royal jelly is a honey bee secretion that is used in the nutrition of larvae and adult queens. [1] It is secreted from the glands in the hypopharynx of nurse bees, and fed to all larvae in the colony, regardless of sex or caste. [2] Queen larva in a cell on a frame with bees
Arterial occlusion is a condition involving partial or complete blockage of blood flow through an artery. Arteries are blood vessels that carry oxygenated blood to body tissues. [ 1 ] [ 2 ] An occlusion of arteries disrupts oxygen and blood supply to tissues, leading to ischemia . [ 1 ]
First, he collected royal jelly from a group of honey bee larvae and purified the results by reverse phase, high-performance liquid chromatography. This purified royal jelly showed antimicrobial activity against different bacteria. [2] So far, four peptides have been found in this family, each one containing the carboxamide C-terminal.
The glycocalyx is located on the apical surface of vascular endothelial cells which line the lumen.When vessels are stained with cationic dyes such as Alcian blue stain, transmission electron microscopy shows a small, irregularly shaped layer extending approximately 50–100 nm into the lumen of a blood vessel.
Arteriosclerosis, literally meaning "hardening of the arteries", is an umbrella term for a vascular disorder characterized by abnormal thickening, hardening, and loss of elasticity [3] of the walls of arteries; [4] this process gradually restricts the blood flow to one's organs and tissues and can lead to severe health risks brought on by atherosclerosis, which is a specific form of ...
When the heart contracts it generates a pulse or energy wave that travels through the circulatory system. The speed of travel of this pulse wave (pulse wave velocity [10] (PWV)) is related to the stiffness of the arteries. Other terms that are used to describe the mechanical properties of arteries include elastance, or the reciprocal (inverse ...
Flow-through tests or immunoconcentration assays [1] are a type of diagnostic assay that allows users to test for the presence of a biomarker, usually a specific antibody, in a sample such as blood. They are a type of point of care test, designed to be used by a healthcare provider at patient contact. Point of care tests often allow for rapid ...