The Resource A series of in vitro studies investigating the role of lactoferrin in calf innate immunity, by Maisie W. Dawes, (electronic resource)

A series of in vitro studies investigating the role of lactoferrin in calf innate immunity, by Maisie W. Dawes, (electronic resource)

Label
A series of in vitro studies investigating the role of lactoferrin in calf innate immunity
Title
A series of in vitro studies investigating the role of lactoferrin in calf innate immunity
Statement of responsibility
by Maisie W. Dawes
Creator
Contributor
Thesis advisor
Subject
Genre
Language
eng
Summary
Neonatal calf mortality rates continue to impact the economic sustainability of the United States cattle industry. Based on data generated from the National Animal Health Monitoring System survey in 2001, 8.9 % of dairy heifer deaths, a translated cost of $800 million dollars, resulted from poor immunity in calves. The majority of diseases which affect cattle are caused by Gram-negative bacteria and clinical signs are attributed to the toxic effects of lipopolysaccharide (LPS), a component of the outer membrane of these pathogens. The central theme of our studies is that bovine colostral lactoferrin (LF) will impact the health of cattle by reducing the effects of lipopolysaccharide (LPS) on the host immune responses. Calves were used as our main experimental model. Three studies were performed. In the first study, we investigated the ability of lactoferrin to enhance the function of cells involved in bacterial killing. In the second study we examined its ability to interfere with the activation of host cells by LPS. In that study, we also investigated the ability of LF to alter the production of proteins that direct inflammation and in the final study we attempted to determine the mechanism by which it is limiting the production of these proteins. The results from our in vitro studies show that LF limits the ability of LPS to activate host immune cells and in so doing, alters the production of inflammatory proteins by these cells. These findings therefore suggest that the administration of LF to calves succumbing to Gram-negative infections will be useful in reducing the severity of clinical signs and potentially minimizing death. The results of our final study, suggest a novel function of the investigated protein. While further studies are required to confirm this, it appears that lactoferrin is also able to interfere with a subset of intracellular signaling pathways that direct the production of these proteins by immune cells. Substantiating these results in sick calves will lead to improved productivity within the cattle industry. We also hope that the dependence on conventional antibiotic use will decrease in favor of this novel protein or its peptide derivatives
Cataloging source
MMU
http://library.link/vocab/creatorDate
1969-
http://library.link/vocab/creatorName
Dawes, Maisie W.
Degree
Ph. D.
Dissertation year
2006.
Granting institution
University of Missouri-Columbia
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/relatedWorkOrContributorName
Lakritz, Jeffrey
http://library.link/vocab/subjectName
  • Lactoferrin
  • Endotoxins
  • Calves
  • Natural immunity
  • Gram-negative bacterial infections
Target audience
specialized
Label
A series of in vitro studies investigating the role of lactoferrin in calf innate immunity, by Maisie W. Dawes, (electronic resource)
Instantiates
Publication
Note
  • Title from title screen of research.pdf file (viewed on December 22, 2006)
  • The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file
  • "May 2006"
  • Vita
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
multicolored
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
77524179
Dimensions
unknown
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Specific material designation
remote
System details
Mode of access: World Wide Web
Label
A series of in vitro studies investigating the role of lactoferrin in calf innate immunity, by Maisie W. Dawes, (electronic resource)
Publication
Note
  • Title from title screen of research.pdf file (viewed on December 22, 2006)
  • The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file
  • "May 2006"
  • Vita
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
multicolored
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
77524179
Dimensions
unknown
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Specific material designation
remote
System details
Mode of access: World Wide Web

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