{"id":18164,"date":"2024-02-01T14:51:58","date_gmt":"2024-02-01T20:51:58","guid":{"rendered":"https:\/\/uwm.edu\/engineering\/?p=18164"},"modified":"2024-02-01T14:55:25","modified_gmt":"2024-02-01T20:55:25","slug":"dabagh-lands-542000-nsf-early-career-award-for-modeling-virtual-tumor-tissues","status":"publish","type":"post","link":"https:\/\/uwm.edu\/engineering\/dabagh-lands-542000-nsf-early-career-award-for-modeling-virtual-tumor-tissues\/","title":{"rendered":"Dabagh lands $542,000 NSF Early CAREER Award for modeling virtual tumor tissues"},"content":{"rendered":"\n

Cancerous tumors don\u2019t happen in a vacuum. They develop in a cellular soup that can contribute to the disease\u2019s progression.<\/p>\n\n\n\n

Mahsa Dabagh, assistant professor of biomedical engineering, knows this first-hand. Her specialty is computational modeling of how cells and organelles inside of cells sense and respond to changes in their surroundings.<\/p>\n\n\n\n

Instead of relying on animal models to probe the micro-environment of cancer, Dabagh is building a virtual model of a real human tumor, using data that characterizes the tissue on a molecular level. Tracking cellular changes of the tissue would provide the biomarkers that could reveal the stage of the cancer\u00a0\u2013 or even predict if the tissue in question is likely to turn malignant or metastasize, she said.<\/p>\n\n\n\n

The research<\/a> is funded by a Faculty Early Career Development (CAREER) award just announced by the National Science Foundation. Dabagh will use the five-year $542,000 grant to construct the model and apply it to a prevalent type of pancreatic tumor, known as pancreatic ductal adenocarcinoma.<\/p>\n\n\n\n

Patients with pancreatic cancer often don\u2019t have physical symptoms, like pain, until the disease in its late stages or has spread to other places in the body.  <\/p>\n\n\n\n

\u201cIf we understand the cellular mechanisms of malignancy, and we track those, then we are in good place for prevention and treatment,\u201d Dabagh said. \u201cI believe this model will be very helpful in increasing earlier and more accurate cancer diagnoses.\u201d<\/p>\n\n\n\n

CAREER awards are the NSF\u2019s most prestigious grants for early career researchers. They support the professional development of teacher-scholars who are most likely to become the academic leaders of this century.<\/p>\n\n\n\n

For this project, she will take a comparative approach, modeling healthy tissue and diseased tissue to find the differences.  <\/p>\n\n\n\n

\u201cCancer cells move around to find the best place to grow,\u201d Dabagh said. \u201cOnce we have a view of the changing composition, then we work backwards to find the biomarkers.\u201d<\/p>\n\n\n\n

Using atomic force microscopy to measure molecular forces in 3D, Dabagh and her lab members will determine biomechanical properties of different tissues and then feed that into the computational model. With cancer, for example, different levels of tissue stiffness signal malignancy or progressive malignancy, she said.<\/p>\n\n\n\n

\u201cWe would also look for a vascular network starting to form around the tissue because blood vessels are needed for cancer to grow,\u201d she said. <\/p>\n\n\n\n

Another feature the team will track is the level of collagen fiber, a common fibrous protein in the body that provides structure to tissues. With pancreatic cancer, collagen fiber builds up, forming a thick layer of scar tissue around the tumor and blocking drugs from reaching the cancer cells.<\/p>\n\n\n\n

A unique aspect of the model is that it can be personalized for individual patients by using their particular biological data.<\/p>\n\n\n\n

Because the model will replicate the complexity and heterogeneity of an actual human tumor, it could also be modified to use in revealing the progression of other diseases, such as atherosclerotic cardiovascular diseases, healing of chronic wounds and the spread of viruses. It also has promise as a platform to safely evaluate new drugs and treatments.<\/p>\n","protected":false},"excerpt":{"rendered":"

Cancerous tumors don\u2019t happen in a vacuum. They develop in a cellular soup that can contribute to the disease\u2019s progression. Mahsa Dabagh, assistant professor of biomedical engineering, knows this first-hand. 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