{"id":84801,"date":"2021-08-02T13:51:11","date_gmt":"2021-08-02T10:51:11","guid":{"rendered":"https:\/\/www.technion.ac.il\/blog\/growing-lymph-vessels-in-a-lab\/"},"modified":"2021-08-02T13:51:11","modified_gmt":"2021-08-02T10:51:11","slug":"growing-lymph-vessels-in-a-lab","status":"publish","type":"post","link":"https:\/\/www.technion.ac.il\/en\/blog\/growing-lymph-vessels-in-a-lab\/","title":{"rendered":"Growing Lymph Vessels in a Lab"},"content":{"rendered":"

Technion scientists have managed to grow an engineered human lymphatic vessel network. Published in PNAS<\/em>, the study was led by postdoctoral fellow Dr. Shira Landau and conducted in the laboratory of Professor Shulamit Levenberg of the Technion Faculty of Biomedical Engineering. The significance of the researchers\u2019 findings lies in a better understanding of lymphatic vessel generation, which could have implications for treatment of lymphedema and the generation of more lifelike tissue flaps.<\/p>\n

\"\"<\/a>
Prof. Shulamit Levenberg and Dr. Shira Landau <\/em><\/figcaption><\/figure>\n

The lymphatic vessels are built similar to veins. They collect the fluid between the cells in all body tissues. This lymphatic fluid is collected by lymph capillaries, then transported via progressively larger lymphatic vessels through lymph nodes, before emptying ultimately into major veins. The lymphatic system also plays an important role in the body\u2019s immune response. Damage to the lymphatic vessels results in localized swelling, a condition called lymphedema. Lymphedema currently has no cure. Common treatments that provide partial improvement include compression of the affected limb and massage. In severe cases, bypass surgery is prescribed.<\/p>\n

In the lab, Dr. Shira Landau and her coresearchers grew human lymphatic vessels, together with blood vessels and supporting cells, creating engineered tissue with a functioning vessel network. This was done from inner-lining cells of lymphatic vessels, together with blood vessels respectively, together with support cells, all seeded on sheets of collagen \u2013 the main structural protein of the body\u2019s connective tissue. That is, their engineered tissue mimics as closely as possible the body\u2019s natural structures. From this seemingly simple starting point, the group had within a few days a network of vessels that displayed both the arrangement and the functionality expected of them in the body. The engineered tissue was further implanted into a mouse, and successfully integrated with the mouse\u2019s lymph and blood vessels.<\/p>\n

This success by the Technion scientists has multiple implications. First, the platform they grew would facilitate the study of lymphatic vessels, their formation, and the factors that affect them. Second, lymphedema, which currently lacks effective treatment, could be in the future treated by implanting a functional network of smaller and larger lymph vessels that would merge with the host\u2019s system, all grown from the patient\u2019s own cells, eliminating fear of rejection. Third, engineered tissue flaps, that is units containing multiple tissues necessary for transplantation, such as muscle, blood vessels, and connective tissue, could be made more lifelike, containing lymph vessels as well. This would improve the implant\u2019s integration and speed up healing.<\/p>\n

\"\u05d1\u05ea\u05de\u05d5\u05e0\u05ea<\/a>
An engineered structure implanted in a mouse. Green: the transplanted lymphatic network; In blue: the mouse lymphatic network connects to the transplanted network<\/em><\/figcaption><\/figure>\n

Click <\/span>here<\/span><\/a><\/span> for the paper in PNAS<\/i><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Technion scientists have managed to grow an engineered human lymphatic vessel network. Published in PNAS, the study was led by postdoctoral fellow Dr. Shira Landau and conducted in the laboratory of Professor Shulamit Levenberg of the Technion Faculty of Biomedical Engineering. The significance of the researchers\u2019 findings lies in a better understanding of lymphatic vessel… Continue Reading Growing Lymph Vessels in a Lab<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-84801","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"\nGrowing Lymph Vessels in a Lab - \u05d4\u05d8\u05db\u05e0\u05d9\u05d5\u05df-\u05de\u05db\u05d5\u05df \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9 \u05dc\u05d9\u05e9\u05e8\u05d0\u05dc<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.technion.ac.il\/en\/blog\/growing-lymph-vessels-in-a-lab\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Growing Lymph Vessels in a Lab - \u05d4\u05d8\u05db\u05e0\u05d9\u05d5\u05df-\u05de\u05db\u05d5\u05df \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9 \u05dc\u05d9\u05e9\u05e8\u05d0\u05dc\" \/>\n<meta property=\"og:description\" content=\"Technion scientists have managed to grow an engineered human lymphatic vessel network. 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