Angiogenesis and lymphangiogenesis and expression of lymphangiogenic factors in the atherosclerotic intima of human coronary arteries

Toshiaki Nakano, Yutaka Nakashima, Yoshikazu Yonemitsu, Shinji Sumiyoshi, Young Xiang Chen, Yuri Akishima, Toshiharu Ishii, Mitsuo Iida, Katsuo Sueishi

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Abstract

Little information regarding the development of lymphangiogenesis in coronary atherosclerosis is available. We immunohistochemically investigated the correlation among intimal neovascularization (CD34 for angiogenesis and lymphatic vessel endothelial hyaluronan receptor-1 [LYVE-1] and podoplanin for lymphangiogenesis), the expression of lymphangiogenic factors (vascular endothelial growth factor [VEGF]-C and VEGF-D), and the progression of atherosclerosis using 169 sections of human coronary arteries from 23 autopsy cases. The more the atherosclerosis advanced, the more often the neointimas contained newly formed blood vessels (P < .0001). Vascular endothelial growth factor-C was expressed mostly in foamy macrophages and in some smooth muscle cells, whereas VEGF-D was abundantly expressed in both. The number of VEGF-C-expressing cells, but not that of VEGF-D-expressing cells, was increased as the lesion advanced and the number of intimal blood vessels increased (P < .01). Lymphatic vessels were rare in the atherosclerotic intima (LYVE-1 vs CD34 = 13 vs 3955 vessels) compared with the number seen in the adventitia (LYVE-1 vs CD34 = 360 vs 6921 vessels). The current study suggests that VEGF-C, but not VEGF-D, may contribute to plaque progression and be a regulator for angiogenesis rather than lymphangiogenesis in coronary atherosclerotic intimas. Imbalance of angiogenesis and lymphangiogenesis may be a factor contributing to sustained inflammatory reaction during human coronary atherogenesis.

Original languageEnglish
Pages (from-to)330-340
Number of pages11
JournalHuman Pathology
Volume36
Issue number4
DOIs
Publication statusPublished - Apr 2005

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Vascular Endothelial Growth Factor D
Lymphangiogenesis
Vascular Endothelial Growth Factor C
Lymphatic Vessels
CD44 Antigens
Coronary Vessels
Tunica Intima
Atherosclerosis
Blood Vessels
Adventitia
Smooth Muscle Myocytes
Coronary Artery Disease
Autopsy
Macrophages

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine

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Angiogenesis and lymphangiogenesis and expression of lymphangiogenic factors in the atherosclerotic intima of human coronary arteries. / Nakano, Toshiaki; Nakashima, Yutaka; Yonemitsu, Yoshikazu; Sumiyoshi, Shinji; Chen, Young Xiang; Akishima, Yuri; Ishii, Toshiharu; Iida, Mitsuo; Sueishi, Katsuo.

In: Human Pathology, Vol. 36, No. 4, 04.2005, p. 330-340.

Research output: Contribution to journalArticle

Nakano, Toshiaki ; Nakashima, Yutaka ; Yonemitsu, Yoshikazu ; Sumiyoshi, Shinji ; Chen, Young Xiang ; Akishima, Yuri ; Ishii, Toshiharu ; Iida, Mitsuo ; Sueishi, Katsuo. / Angiogenesis and lymphangiogenesis and expression of lymphangiogenic factors in the atherosclerotic intima of human coronary arteries. In: Human Pathology. 2005 ; Vol. 36, No. 4. pp. 330-340.
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