Protein biomarker of cell proliferation determines survival to discharge in cases of equine large colon volvulus.
Authors: Kucera C R, Stranahan L W, Hughes F, Blikslager A T, Gonzalez L M
Journal: Equine veterinary journal
Summary
# Editorial Summary: Protein Biomarkers as Predictors of Survival in Equine Large Colon Volvulus Following ischaemic injury to the equine colon, epithelial repair depends critically on intestinal progenitor cells, and Kucera and colleagues investigated whether measuring specific protein biomarkers of these cell populations could predict tissue viability and ultimately determine which large colon volvulus (LCV) cases would survive to discharge. Using protein biomarkers to identify and quantify intestinal progenitor cell subpopulations, the researchers analysed tissue samples from LCV cases to determine whether a critical threshold of viable progenitor cells correlated with clinical outcome. The findings demonstrated that progenitor cell counts, as determined by protein biomarkers, significantly differentiated between horses that survived to discharge and those that did not, suggesting that the extent of viable epithelial regenerative capacity immediately post-operatively has prognostic value. This work has practical implications for intraoperative assessment of colon viability—moving beyond visual and tactile evaluation towards an objective molecular indicator—and potentially for identifying cases where aggressive medical management or salvage procedures might improve outcomes. For equine surgeons and practitioners involved in post-operative colic management, these biomarkers offer a more nuanced understanding of tissue injury severity and regenerative potential, though further research would be needed to establish whether such testing could be implemented clinically as a real-time decision-making tool.
Read the full abstract on PubMed
Practical Takeaways
- •Protein biomarkers identifying intestinal progenitor cells may provide objective prognostic indicators for large colon volvulus cases, helping determine tissue viability at surgery
- •Assessment of progenitor cell populations could aid in clinical decision-making regarding surgical intervention versus medical management in cases with questionable tissue viability
- •Understanding progenitor cell involvement in post-ischaemic epithelial repair may lead to targeted therapies to improve survival outcomes in large colon volvulus
Key Findings
- •Intestinal progenitor cell biomarkers can be used to identify subpopulations critical for epithelial repair following ischaemic injury in large colon volvulus
- •A critical number of intestinal progenitor cells determined by protein biomarker expression predicts tissue viability in large colon volvulus cases
- •Progenitor cell status correlates with survival to discharge in equine large colon volvulus