ArticleInternational journal of molecular sciences2023
Rag1 Deficiency Impairs Arteriogenesis in Mice.
Article in International journal of molecular sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- B Cell Deficiency Impairs Collateral Artery Growth by Influencing Early and Late Regenerative Inflammation.Cells · 2026Article
- Article
- Redefining the Immunobiology of Organ Transplantation for New Clinical Horizons.Scandinavian journal of immunology · 2025Review
- Single-cell RNA sequencing of the carotid artery and femoral artery of rats exposed to hindlimb unloading.Cellular and molecular life sciences : CMLS · 2025Article
- The Intriguing World of Vascular Remodeling, Angiogenesis, and Arteriogenesis.International journal of molecular sciences · 2024Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Increasing evidence suggests that lymphocytes play distinct roles in inflammation-induced tissue remodeling and tissue damage. Arteriogenesis describes the growth of natural bypasses from pre-existing collateral arteries. This process compensates for the loss of artery function in occlusive arterial diseases. The role of innate immune cells is widely understood in the process of arteriogenesis, whereas the role of lymphocytes remains unclear and is the subject of the present study. To analyze the role of lymphocytes, we induced arteriogenesis in recombination activating gene-1 (Rag1) knockout (KO) mice by unilateral ligation of the femoral artery. The lack of functional lymphocytes in Rag1 KO mice resulted in reduced perfusion recovery as shown by laser Doppler imaging. Additionally, immunofluorescence staining revealed a reduced vascular cell proliferation along with a smaller inner luminal diameter in Rag1 KO mice. The perivascular macrophage polarization around the growing collateral arteries was shifted to more pro-inflammatory M1-like polarized macrophages. Together, these data suggest that lymphocytes are crucial for arteriogenesis by modulating perivascular macrophage polarization.
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