Publication Date:
2012-01-10
Description:
In response to stimulation, B lymphocytes pursue a large number of distinct fates important for immune regulation. Whether each cell's fate is determined by external direction, internal stochastic processes, or directed asymmetric division is unknown. Measurement of times to isotype switch, to develop into a plasmablast, and to divide or to die for thousands of cells indicated that each fate is pursued autonomously and stochastically. As a consequence of competition between these processes, censorship of alternative outcomes predicts intricate correlations that are observed in the data. Stochastic competition can explain how the allocation of a proportion of B cells to each cell fate is achieved. The B cell may exemplify how other complex cell differentiation systems are controlled.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duffy, Ken R -- Wellard, Cameron J -- Markham, John F -- Zhou, Jie H S -- Holmberg, Ross -- Hawkins, Edwin D -- Hasbold, Jhagvaral -- Dowling, Mark R -- Hodgkin, Philip D -- New York, N.Y. -- Science. 2012 Jan 20;335(6066):338-41. doi: 10.1126/science.1213230. Epub 2012 Jan 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hamilton Institute, National University of Ireland, Maynooth, Ireland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22223740" target="_blank"〉PubMed〈/a〉
Keywords:
Animals
;
B-Lymphocytes/*cytology/*immunology
;
Cell Death
;
Cell Differentiation
;
Cell Division
;
Female
;
Immunoglobulin Class Switching
;
*Lymphocyte Activation
;
Mice
;
Models, Immunological
;
Stochastic Processes
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
,
Chemistry and Pharmacology
,
Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
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