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Recombinant human thrombomodulin inhibits arterial neointimal hyperplasia after balloon injury  Jian-ming Li, MD, Michael J Singh, MD, Mazen Itani, MD,

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Presentation on theme: "Recombinant human thrombomodulin inhibits arterial neointimal hyperplasia after balloon injury  Jian-ming Li, MD, Michael J Singh, MD, Mazen Itani, MD,"— Presentation transcript:

1 Recombinant human thrombomodulin inhibits arterial neointimal hyperplasia after balloon injury 
Jian-ming Li, MD, Michael J Singh, MD, Mazen Itani, MD, Calin Vasiliu, MD, Gregory Hendricks, PhD, Stephen P Baker, MScPH, John E Hale, PhD, Michael J Rohrer, MD, Bruce S Cutler, MD, Peter R Nelson, MD  Journal of Vascular Surgery  Volume 39, Issue 5, Pages (May 2004) DOI: /j.jvs

2 Fig 1 Microphotographs of cross-section of rabbit femoral artery show normal artery (A, B), 4-day post–balloon injury in buffer control group (C) and rTM infusion group (D), and 2-week post–balloon injury in control group (E) and rTM group (F) (hematoxylin-eosin; original magnification ×5 and ×25). Journal of Vascular Surgery  , DOI: ( /j.jvs )

3 Fig 2 Neointima of cross-section of balloon-injured rabbit femoral artery stained with hematoxylin-eosin. Degree of neointima was measured with digital imaging computerized planimetry, and calculated according to intima-media ratio (A) and lumen–whole artery ratio (B). P < .0001, recombinant thrombomodulin (rTM) vs control, 4 vs 2 weeks (A). Journal of Vascular Surgery  , DOI: ( /j.jvs )

4 Fig 3 Inflammatory cell adhesion and infiltration at 7 days post–balloon injury in rabbit femoral artery. Inflammatory cells were counted in cross sections of three segments (proximal, middle, distal) of six arteries in each group stained with hematoxylin-eosin, with light microscopy at 400× and 1000× magnification. Data for neutrophil adhesion and infiltration are depicted as mean ± SEM. rTM, Recombinant thrombomodulin. Journal of Vascular Surgery  , DOI: ( /j.jvs )

5 Fig 4 Representative immunohistochemical and immunohistofluorescence stained cross sections of 7-day post–balloon injured rabbit femoral arteries. Neutrophils are identified with monoclonal antibody MAC805. Color was developed with DAB stain (left images) or rhodamine red (right images) for control arteries (A) and recombinant human thrombomodulin–treated arteries (B). Similar images were obtained after staining for macrophages (not shown). Journal of Vascular Surgery  , DOI: ( /j.jvs )

6 Fig 5 Representative scanning electron microphotographs of cross section of 7-day post–balloon-injured rabbit femoral arteries in 1-day treatment group. Buffer control arteries (A) versus recombinant human thrombomodulin–treated arteries (B) (original magnification ×1000.) Journal of Vascular Surgery  , DOI: ( /j.jvs )

7 Fig 6 Representative scanning electron microscope (A, C) and transmission electron microscope (B, D) microphotographs of cross sections of 7-day post–balloon-injured rabbit femoral arteries in 3-day treatment group. Buffer control arteries (A, ×1000; B, ×15,000) versus recombinant human thrombomodulin–treated arteries (C, ×1000; D, ×15,000). Journal of Vascular Surgery  , DOI: ( /j.jvs )


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