Inhibition of lymphangiogenesis and lymphatic drainage via vascular endothelial growth factor receptor 3 blockade increases the severity of inflammation in a mouse model of chronic inflammatory arthritis.

Guo, Ruolin; Zhou, Quan; Proulx, Steven T; Wood, Ronald; Ji, Rui-Cheng; Ritchlin, Christopher T; Pytowski, Bronislaw; Zhu, Zhenping; Wang, Yong-Jun; Schwarz, Edward M; Xing, Lianping (2009). Inhibition of lymphangiogenesis and lymphatic drainage via vascular endothelial growth factor receptor 3 blockade increases the severity of inflammation in a mouse model of chronic inflammatory arthritis. Arthritis & rheumatism, 60(9), pp. 2666-2676. Wiley-Blackwell 10.1002/art.24764

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OBJECTIVE

This study was undertaken to investigate the effect of lymphatic inhibition on joint and draining lymph node (LN) pathology during the course of arthritis progression in mice.

METHODS

Tumor necrosis factor (TNF)-transgenic mice were used as a model of chronic inflammatory arthritis. Mice were subjected to contrast-enhanced magnetic resonance imaging to obtain ankle and knee joint synovial volumes and draining popliteal LN volumes before and after 8 weeks of treatment with vascular endothelial growth factor receptor 3 (VEGFR-3) neutralizing antibody, VEGFR-2 neutralizing antibody, or isotype IgG. Animals were subjected to near-infrared lymphatic imaging to determine the effect of VEGFR-3 neutralization on lymph transport from paws to draining popliteal LNs. Histologic, immunohistochemical, and reverse transcriptase-polymerase chain reaction analyses were used to examine lymphatic vessel formation and the morphology of joints and popliteal LNs.

RESULTS

Compared with IgG treatment, VEGFR-3 neutralizing antibody treatment significantly decreased the size of popliteal LNs, the number of lymphatic vessels in joints and popliteal LNs, lymphatic drainage from paws to popliteal LNs, and the number of VEGF-C-expressing CD11b+ myeloid cells in popliteal LNs. However, it increased the synovial volume and area of inflammation in ankle and knee joints. VEGFR-2 neutralizing antibody, in contrast, inhibited both lymphangiogenesis and joint inflammation.

CONCLUSION

These findings indicate that lymphangiogenesis and lymphatic drainage are reciprocally related to the severity of joint lesions during the development of chronic arthritis. Lymphatic drainage plays a beneficial role in controlling the progression of chronic inflammation.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Theodor Kocher Institute

UniBE Contributor:

Proulx, Steven Thomas

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0004-3591

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Ursula Zingg-Zünd

Date Deposited:

27 Oct 2020 15:05

Last Modified:

27 Oct 2020 15:06

Publisher DOI:

10.1002/art.24764

PubMed ID:

19714652

BORIS DOI:

10.7892/boris.147521

URI:

https://boris.unibe.ch/id/eprint/147521

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