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Articles 1 - 5 of 5
Full-Text Articles in Biological Engineering
Establishing A Lung Model For Evaluation Of Engineered Lung Microbiome Therapies, Kathryn F. Atherton, Stephen Miloro, Jenna Rickus
Establishing A Lung Model For Evaluation Of Engineered Lung Microbiome Therapies, Kathryn F. Atherton, Stephen Miloro, Jenna Rickus
The Summer Undergraduate Research Fellowship (SURF) Symposium
Benzene, a toxin and carcinogen found in air polluted by cigarette smoke, car exhaust, and industrial processes, is associated with the development of leukemia and lymphoma. Other than avoiding exposure, there is no current method to deter the effects of benzene. One potential strategy to prevent these effects is to engineer the bacteria of the human lung microbiome to degrade benzene. To evaluate this novel approach, we must verify that the bacteria remain viable within the lung microenvironment. To do so, lungs were harvested from rats and swabbed to determine the contents of the original lung microbiome. Then green fluorescent …
Harnessing Notch Signaling For Biomaterial Scaffold-Based Bone Regeneration, Helena P. Lysandrou, Chunhui Jiang, Naagarajan Narayanan, Shihuan Kuang, Meng Deng
Harnessing Notch Signaling For Biomaterial Scaffold-Based Bone Regeneration, Helena P. Lysandrou, Chunhui Jiang, Naagarajan Narayanan, Shihuan Kuang, Meng Deng
The Summer Undergraduate Research Fellowship (SURF) Symposium
Bone fracture has recently become prevalent, especially with an increasingly aging population. Current bone grafts procedures, including autografts and allografts, are hindered by multiple factors, such as limited supplies and inconsistent bone healing. Scaffold-based bone tissue engineering emerges as a prospective strategy to aid in bone regeneration through delivery of growth factors such as bone morphogenic proteins (BMPs). However, the use of BMPs suffers from several drawbacks such as protein instability and immunogenicity. Therefore, there exists a great need for the development of novel therapies to promote bone healing. Notch signaling, a pathway critical for cell-fate determination has been shown …
Bioengineered Cell Niche For Skeletal Muscle Regeneration, Nicole M. Whittern, Naagarajan Narayanan, Chunhui Jiang, Owen Jones, Jay Gilbert, Michael Whittern, Shihuan Kuang, Meng Deng
Bioengineered Cell Niche For Skeletal Muscle Regeneration, Nicole M. Whittern, Naagarajan Narayanan, Chunhui Jiang, Owen Jones, Jay Gilbert, Michael Whittern, Shihuan Kuang, Meng Deng
The Summer Undergraduate Research Fellowship (SURF) Symposium
Skeletal muscles can self-repair minor strains, lacerations, and contusions; however, in cases of volumetric muscle lossand muscle degenerative diseases, tissue fails to regenerate. Current cell-based therapies, such as myoblast transplantation, have significant drawbacks of low survival rates and engraftment efficacy, mainly due to the absence of supportive cell microenvironment. Scaffolds that mimic the natural cell microenvironment provide a robust platform to support cell adhesion, migration, proliferation, and differentiation. Electrospinning is a versatile technology platform used for fabricating the fiber scaffold that mimics the extracellular matrix. Thus, we aim to reconstitute the cell microenvironment through development of aligned fiber scaffolds by …
Proteoglycan Mimic Of The Glycocalyx To Treat Endothelial Dysfunction, Victoria Messerschmidt, Alyssa Panitch, James R. Wodicka
Proteoglycan Mimic Of The Glycocalyx To Treat Endothelial Dysfunction, Victoria Messerschmidt, Alyssa Panitch, James R. Wodicka
The Summer Undergraduate Research Fellowship (SURF) Symposium
Patients with kidney failure usually undergo hemodialysis, a process by which toxins produced by the body are filtered from the blood, in order to survive. The preferred form for vascular access is called an arteriovenousfistula (AVF), a surgically created connection between an artery and vein that is utilized to undergo dialysis. However, AVFs have a failure rate of 50-60%. One of the contributions to AVF failure is endothelial cell dysfunction and loss of glycocalyx, which allows neutrophils and other native cells into the media of the vessel, which causes an inflammatory response. Our lab addresses endothelial dysfunction by mimicking the …
Adhesive Elastomeric Proteins, Haefa Mansour, Julie Liu
Adhesive Elastomeric Proteins, Haefa Mansour, Julie Liu
The Summer Undergraduate Research Fellowship (SURF) Symposium
Sutures and staples commonly used to close surgical wounds tend to be much stiffer than the surrounding tissue, often resulting in external tissue damage. Surgical adhesives provide a promising alternative to these sutures and staples. Ideal surgical adhesives are biocompatible, able to set well and remain sticky in moist conditions, possess strong adhesive and cohesive properties, and exhibit mechanical properties that mimic those of the surrounding tissue. Unfortunately, the adhesives available today are unable to satisfactorily meet all of these criteria. We are utilizing protein engineering techniques to design, create, and test a new surgical adhesive that combines the adhesive …