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Biological Research For Nursing
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Understanding Cytokines Part I: Physiology and Mechanism of Action

Elizabeth J. Corwin, PhD, MSN, CRNP

School of Nursing and the Intercollege Physiology Program, Pennsylvania State University.

This is the first of a 2-part article on understanding cytokines. Cytokines are intercellular signaling proteins released from virtually all nucleated cells that influence growth and cellular proliferation in a wide range of tissues. Cytokines have immune modulating effects and are understood to control most of the physical and psychological symptoms associated with infection and inflammation. Cytokines also influence reproduction and bone remodeling. Dysregulation of the cytokine cellular system has significant implications in the development of a variety of illnesses, including most autoimmune disorders, many diseases of the cardiovascular system, osteoporosis, asthma, and depression. For nurses to be adequately informed when caring for clients with chronic illnesses and to be sufficiently knowledgeable when evaluating client outcomes, an understanding of the physiology of cytokines, the occurrences of dysregulation, and the role of cytokines in health and illness is essential. In Part I of this review, cytokine physiology is presented, with an emphasis on characteristics, categories, and mechanism of action. Specific instances of cytokine function in health and disease and implications for nursing research and practice are presented in Part II.

Key Words: Cytokines • interleukin • tumor necrosis factor • interferon • immune system

Biological Research For Nursing, Vol. 2, No. 1, 30-40 (2000)
DOI: 10.1177/109980040000200104
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This article has been cited by other articles:


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[Abstract] [PDF]