ENHANCED NEUTROPHIL RESPIRATORY BURST AS A BIOLOGICAL MARKER FOR MANIPULATION FORCES: DURATION OF THE EFFECT AND ASSOCIATION WITH SUBSTANCE P AND TUMOR NECROSIS FACTOR
 
   

Enhanced Neutrophil Respiratory Burst as a Biological Marker
for Manipulation Forces: Duration of the Effect and
Association with Substance P and Tumor Necrosis Factor

This section is compiled by Frank M. Painter, D.C.
Send all comments or additions to:
   Frankp@chiro.org
 
   

FROM:   J Manipulative Physiol Ther 1992 (Feb);   15 (2):   8389

Brennan PC, Triano JJ, McGregor M, Kokjohn K, Hondras MA, Brennan DC

Research Department,
National College of Chiropractic,
Lombard, IL 60148-4583


A critical need in assessing the clinical utility of manipulative therapy for back pain is the identification of biological changes associated with the forces applied by spinal manipulation. Such changes could then serve as markers for both sham treatment and manipulation. We determined the priming of polymorphonuclear neutrophils for an enhanced respiratory burst and its duration, the priming of mononuclear cells for enhanced endotoxin-stimulated tumor necrosis factor production and plasma levels of substance P following a single thoracic spine manipulation. There was a significant difference in the respiratory burst of polymorphonuclear neutrophils in response to a particulate challenge, depending on the time of blood sample collection. The response of polymorphonuclear neutrophils isolated from blood collected 15 min after manipulation was significantly higher than the response of cells isolated from blood collected 15 min before and 30 and 45 min after manipulation. Mononuclear cells were also primed for enhanced endotoxin-stimulated tumor necrosis factor production by spinal manipulation. Both of these priming effects were accompanied by a slight, but significant elevation in plasma substance P. The mean manipulation force associated with these biological effects was 878 +/- 99 N. These biological effects may provide a means of monitoring the delivery of both sham and manipulative treatment and, therefore, provide a crucial tool for understanding the efficacy of manipulative therapy.


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