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Interleukins (ILs) are a group of cytokines (secreted proteins and signal molecules) that are expressed and secreted by white blood cells (leukocytes) as well as some other body cells. The human genome encodes more than 50 interleukins and related proteins.
The adult human body is estimated to contain about 30 trillion (3×10 13) human cells, with the number varying between 20 and 100 trillion depending on factors such as sex, age, and weight. Additionally, there are approximately an equal number of bacterial cells.
Pie charts of typical human body composition by percent of mass, and by percent of atomic composition (atomic percent) Body composition may be analyzed in various ways. This can be done in terms of the chemical elements present, or by molecular structure e.g., water , protein , fats (or lipids ), hydroxyapatite (in bones), carbohydrates (such ...
With infectious disease remaining one of the leading causes of death in the human population, vaccination represents the most effective manipulation of the immune system mankind has developed. [57] [132] Many vaccines are based on acellular components of micro-organisms, including harmless toxin components. [131]
An inflammatory cytokine or proinflammatory cytokine is a type of signaling molecule (a cytokine) that is secreted from immune cells like helper T cells (T h) and macrophages, and certain other cell types that promote inflammation.
Interleukin 32 (IL32) is proinflammatory cytokine that in humans is encoded by the IL32 gene. [3] Interleukin 32 can be found in higher mammals but not in rodents. It is mainly expressed intracellularly and the protein has nine different isoforms, because the pre-mRNA can be alternatively spliced. [4] [5] The most active and studied isoform is ...
Interleukin 3 is an interleukin, a type of biological signal that can improve the body's natural response to disease as part of the immune system. [10] In conjunction with other β common chain cytokines GM-CSF and IL-5, IL-3 works to regulate the inflammatory response in order to clear pathogens by changing the abundance of various cell populations via binding at the interleukin-3 receptor.
Interleukin 20 (IL20) is a protein that is in humans encoded by the IL20 gene which is located in close proximity to the IL-10 gene on the 1q32 chromosome. [5] [6] IL-20 is a part of an IL-20 subfamily which is a part of a larger IL-10 family. [5] IL-20 subfamily also includes other cytokines, including IL-19, IL-20, IL-22, IL-24, and IL-26. [5]