What are cytokines Explain their structure function?

Answer 1

cytokines are a number of small proteins that are secreated by a specific cell of immune system which carry signals and thus have an effect on other cells. cytokines are one type of protein that serve as messanger between cells it regulate various inflammatory responses Cytokines interact with cells of the immune system in order to regulate the body's response to disease and infection. Cytokines also mediate normal cellular processes in the body.

How Cytokines WorkThe immune system is complex -- different types of immune cells and proteins do different jobs. Cytokines are among those proteins. Explaining how cytokines work is difficult.

Cytokines are released by cells into the circulation or directly into tissue. The cytokines locate target immune cells and interact with receptors on the target immune cells by binding to them. The interaction triggers or stimulates specific responses by the target cells.

Answer 2

Cytokines are small, water-soluble, signaling proteins and glycoproteins secreted by hematopoietic and non- hematopoietic cells of the immune system, such as macrophages, lymphocytes, neutrophils, basophils, and eosinolphils. The molecular weights of cytokines range from 8 to 80 kDa, and many of them are found to be biologically active in their oligomeric forms. Once the cytokines are produced within the cytoplasm of the cells, they are secreted and present in the tissue extracellular fluid (ECF). Cytokines are a category of signaling proteins, like hormones and neurotransmitters, and function as chemical communicators between cells. They are responsible for regulating a variety of immunological and inflammatory responses during host defense against pathogen.

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