Intussusceptive remodeling of vascular branch angles in chemically-induced murine colitis

Maximilian Ackermann, Akira Tsuda, Timothy W Secomb, Steven J. Mentzer, Moritz A. Konerding

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Intussusceptive angiogenesis is a developmental process linked to both blood vessel replication and remodeling in development. To investigate the prediction that the process of intussusceptive angiogenesis is associated with vessel angle remodeling in adult mice, we systematically evaluated corrosion casts of the mucosal plexus in mice with trinitrobenzesulfonic acid (TNBS)-induced and dextran sodium sulfate (DSS)-induced colitis. The mice demonstrated a significant decrease in vessel angles in both TNBS-induced and DSS-induced colitis within 4. weeks of the onset of colitis (p<.001). Corrosion casts 28-30. days after DSS treatment were studied for a variety of detailed morphometric changes. The vessel diameter and interbranch distance were significantly increased in the descending colon (p<.05). Also consistent with vessel growth, intervascular distance was decreased in the descending colon (p<.05). In contrast, no statistically significant morphometric changes were noted in the ascending colon. The morphometry of the corrosion casts also demonstrated 1) a similar orientation of the remodeled angles within the XY coordinate plane of the mucosal plexus, and 2) alternating periodicity of remodeled and unremodeled vessel angles. We conclude that inflammation-associated intussusceptive angiogenesis in adult mice is associated with vessel angle remodeling. Further, the morphometry of the vessel angles suggests the influence of blood flow on the location and orientation of remodeled vessels.

Original languageEnglish (US)
Pages (from-to)75-82
Number of pages8
JournalMicrovascular Research
Volume87
DOIs
StatePublished - May 2013

Fingerprint

Dextran Sulfate
Colitis
Corrosion
Descending Colon
Acids
Blood vessels
Ascending Colon
Blood
Periodicity
Blood Vessels
Inflammation
Vascular Remodeling
Growth

ASJC Scopus subject areas

  • Biochemistry
  • Cardiology and Cardiovascular Medicine
  • Cell Biology

Cite this

Intussusceptive remodeling of vascular branch angles in chemically-induced murine colitis. / Ackermann, Maximilian; Tsuda, Akira; Secomb, Timothy W; Mentzer, Steven J.; Konerding, Moritz A.

In: Microvascular Research, Vol. 87, 05.2013, p. 75-82.

Research output: Contribution to journalArticle

Ackermann, Maximilian ; Tsuda, Akira ; Secomb, Timothy W ; Mentzer, Steven J. ; Konerding, Moritz A. / Intussusceptive remodeling of vascular branch angles in chemically-induced murine colitis. In: Microvascular Research. 2013 ; Vol. 87. pp. 75-82.
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