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'''Lymphotoxin''' (previously known as '''[[Tumor necrosis factors|tumor necrosis factor]]-beta''') is a [[lymphokine]] [[cytokine]].
'''Lymphotoxin''' (previously known as '''[[Tumor necrosis factors|tumor necrosis factor]]-beta''') is a [[lymphokine]] [[cytokine]].


It is a [[protein]] that is produced by Th1 type T-cells and induces vascular endothelial cells to change their surface adhesion molecules to allow phagocytic cells to bind to them.<ref name="isbn0-8153-4093-1">{{cite book | author = Parham, Peter | authorlink = | editor = | others = | title = The immune system | edition = 2nd | language = | publisher = Garland Science | location = New York | year = 2005 | chapter = Chapter 6: T-cell mediated immunity | page = 172 | quote = | isbn = 0-8153-4093-1 | oclc = | doi = | url = | accessdate = }}</ref> It is also known to be required for normal development of [[Peyer's patches]].<ref name="robbins">{{cite book | author = Kumar | editor = Kumar | title = Robbins and Cotran Pathologic Basis of Disease, Professional Edition | chapter = Chapter 13 – Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus | edition = 8th | accessdate = 28 October 2012}}</ref>
It is a [[protein]] that is produced by Th1 type T-cells and induces vascular endothelial cells to change their surface adhesion molecules to allow phagocytic cells to bind to them.<ref name="isbn0-8153-4093-1">{{cite book | author = Parham, Peter | authorlink = | editor = | others = | title = The immune system | edition = 2nd | language = | publisher = Garland Science | location = New York | year = 2005 | chapter = Chapter 6: T-cell mediated immunity | page = 172 | quote = | isbn = 0-8153-4093-1 | oclc = | doi = | url = | accessdate = }}</ref> It is also known to be required for normal development of [[Peyer's patches]].<ref name="robbins">{{cite book | author = Kumar | editor = Kumar | title = Robbins and Cotran Pathologic Basis of Disease, Professional Edition | chapter = Chapter 13 – Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus | edition = 8th }}</ref>


Lymphotoxin is homologous to Tumor Necrosis Factor beta, but secreted by T-cells. It is [[paracrine]] due to the small amounts produced.
Lymphotoxin is homologous to Tumor Necrosis Factor beta, but secreted by T-cells. It is [[paracrine]] due to the small amounts produced.

Latest revision as of 14:41, 4 May 2018

lymphotoxin alpha (TNF superfamily, member 1)
Identifiers
SymbolLTA
Alt. symbolsTNFB
Entrez4049
HUGO6709
OMIM153440
RefSeqNM_000595
UniProtP01374
Other data
LocusChr. 6 p21.3
lymphotoxin beta (TNF superfamily, member 3)
Identifiers
SymbolLTB
Alt. symbolsTNFC
Entrez4050
HUGO6711
OMIM600978
RefSeqNM_002341
UniProtQ06643
Other data
LocusChr. 6 p21.3

Lymphotoxin (previously known as tumor necrosis factor-beta) is a lymphokine cytokine.

It is a protein that is produced by Th1 type T-cells and induces vascular endothelial cells to change their surface adhesion molecules to allow phagocytic cells to bind to them.[1] It is also known to be required for normal development of Peyer's patches.[2]

Lymphotoxin is homologous to Tumor Necrosis Factor beta, but secreted by T-cells. It is paracrine due to the small amounts produced. The effects are similar to TNF-alpha, but TNF-beta is also important for the development of lymphoid organs.

See also

References

  1. Parham, Peter (2005). "Chapter 6: T-cell mediated immunity". The immune system (2nd ed.). New York: Garland Science. p. 172. ISBN 0-8153-4093-1.
  2. Kumar. "Chapter 13 – Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus". In Kumar. Robbins and Cotran Pathologic Basis of Disease, Professional Edition (8th ed.).

External links