{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:28:50Z","timestamp":1760146130794,"version":"build-2065373602"},"reference-count":67,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2024,9,25]],"date-time":"2024-09-25T00:00:00Z","timestamp":1727222400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>The mechanisms responsible for the growth and development of vascular beds in intestinal villi during postnatal ontogenesis remain enigmatic. For instance, according to the current consensus, in the sprouting type of angiogenesis, there is no blood flow in the rising capillary sprout. However, it is known that biomechanical forces resulting from blood flow play a key role in these processes. Here, we present evidence for the existence of the intussusception type of angiogenesis during the postnatal development of micro-vessel patterns in the intestinal villi of rats. This process is based on the high-level flattening of blood capillaries on the flat surfaces of intestinal villi, contacts among the opposite apical plasma membrane of endothelial cells in the area of inter-endothelial contacts, or the formation of bridges composed of blood leucocytes or local microthrombi. We identified factors that, in our opinion, ensure the splitting of the capillary lumen and the formation of two parallel vessels. These phenomena are in agreement with previously described features of intussusception angiogenesis.<\/jats:p>","DOI":"10.3390\/ijms251910322","type":"journal-article","created":{"date-parts":[[2024,9,26]],"date-time":"2024-09-26T04:05:46Z","timestamp":1727323546000},"page":"10322","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["During Postnatal Ontogenesis, the Development of a Microvascular Bed in an Intestinal Villus Depends on Intussusceptive Angiogenesis"],"prefix":"10.3390","volume":"25","author":[{"given":"Anna V.","family":"Zaytseva","sequence":"first","affiliation":[{"name":"Department of Anatomy, Saint Petersburg State Pediatric Medical University, Saint Petersburg 194100, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natalia R.","family":"Karelina","sequence":"additional","affiliation":[{"name":"Department of Anatomy, Saint Petersburg State Pediatric Medical University, Saint Petersburg 194100, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugeny V.","family":"Bedyaev","sequence":"additional","affiliation":[{"name":"Department of Anatomy, Ivanovo State Medical University, Ivanovo 153012, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pavel S.","family":"Vavilov","sequence":"additional","affiliation":[{"name":"Department of Anatomy, Ivanovo State Medical University, Ivanovo 153012, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irina S.","family":"Sesorova","sequence":"additional","affiliation":[{"name":"Department of Anatomy, Ivanovo State Medical University, Ivanovo 153012, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2308-1651","authenticated-orcid":false,"given":"Alexander A.","family":"Mironov","sequence":"additional","affiliation":[{"name":"Department of Cell Biology, IFOM ETS\u2014The AIRC Institute of Molecular Oncology, Via Adamello, 16, 20139 Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Nikonova, M.A., Sesorova, I.S., Dimov, I.D., Karelina, N.R., and Mironov, A.A. 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