Journal article
Mannose binding lectin acute phase activity in patients with severe infection
Journal of Clinical Immunology, Vol.25(4), pp.346-352
2005
PMID: 16133991
Abstract
Mannose Binding Lectin (MBL) is a liver derived, circulating plasma protein that plays a pivotal role in innate immunity. MBL functions as a pathogen recognition molecule, opsonising organisms and initiating the complement cascade. MBL deficiency arising from mutations and promoter polymorphisms in the MBL2 gene is common and has been associated with risk, severity, and frequency of infection in a number of clinical settings. With MBL therapy on the horizon, the usefulness of replacement MBL therapy has been challenged by the notion, that as an acute phase protein, MBL levels may rise under stress to sufficient levels, in individuals who are usually deficient. This report demonstrates that in patients with sepsis and septic shock, the majority of patients do not display an MBL acute phase response: 41.4% of individuals maintained consistent MBL levels throughout hospital stay, 31.3% of individuals demonstrated a positive acute phase response, and a negative acute phase response was observed in 27.3% of individuals studied. Importantly, a positive acute phase response was generally observed in individuals with wild-type MBL2 genes. When a positive acute phase response was observed in individuals with coding mutation, these individuals demonstrated a normal MBL level on admission to hospital. Furthermore, no individual, regardless of genotype who was MBL deficient at admission was able to demonstrate a positive acute phase response into the normal MBL range. These findings indicate MBL demonstrates a variable acute phase response in the clinical setting of sepsis and septic shock.
Details
- Title
- Mannose binding lectin acute phase activity in patients with severe infection
- Authors
- M M Dean (Corresponding Author) - Australian Red Cross Blood ServiceR M Minchinton - Australian Red Cross Blood ServiceS Heatley - Australian Red Cross Blood ServiceD P Eisen - Royal Brisbane and Women's Hospital
- Publication details
- Journal of Clinical Immunology, Vol.25(4), pp.346-352
- Publisher
- Springer New York LLC
- Date published
- 2005
- DOI
- 10.1007/s10875-005-4702-1
- ISSN
- 1573-2592
- PMID
- 16133991
- Organisation Unit
- School of Health - Biomedicine
- Language
- English
- Record Identifier
- 991037506402621
- Output Type
- Journal article
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- Immunology
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