ArticleScientific reports2024
Magnamosis improves the healing of gastrojejunal anastomosis and down-regulates TGF-β1 and HIF-1α in rats.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Safety and early results of immediately patent magnetic jejuno-jejunal anastomoses (IMPA-JJ) in Roux-en-Y gastric bypass.Surgical endoscopy · 2026Trial
- Magnetic vs stapled technique in jejuno-ileal bipartition: one-year outcomes.Surgical endoscopy · 2026Article
- Comparison of the effects of stent-based diversion technique versus prophylactic double-lumen ileostomy on intestinal flora in postoperative patients with rectal cancer.Frontiers in microbiology · 2026Article
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13 authors.
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Abstract
This study elucidated the unique pathological features of tissue healing by magnamosis and revealed the changes in landmark molecule expression levels related to collagen synthesis and tissue hypoxia. Forty-eight male Sprague-Dawley rats were divided into the magnamosis and suture anastomosis groups, and gastrojejunal anastomosis surgery was performed. Rats were dissected at 6, 24, and 48 h and 5, 6, 8, 10, and 12 days postoperatively. Hematoxylin, eosin, and Masson's trichrome staining were used to evaluate granulation tissue proliferation and collagen synthesis density at the anastomosis site. Immunohistochemistry was used to measure TGF-β1 and HIF-1α expression levels. Magnamosis significantly shortened the operation time, resulting in weaker postoperative abdominal adhesions (P < 0.0001). Histopathological results showed a significantly lower granulation area in the magnamosis group than in the suture anastomosis group (P = 0.0388), with no significant difference in the density of collagen synthesis (P = 0.3631). Immunohistochemistry results indicated that the magnamosis group had significantly lower proportions of TGF-β1-positive cells at 24 (P = 0.0052) and 48 h (P = 0.0385) postoperatively and HIF-1α-positive cells at 24 (P = 0.0402) and 48 h postoperatively (P = 0.0005). In a rat model of gastrojejunal anastomosis, magnamosis leads to improved tissue healing at the gastrojejunal anastomosis, associated with downregulated expression levels of TGF-β1 and HIF-1α.
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