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Articles 1 - 7 of 7
Full-Text Articles in Medicine and Health Sciences
Surface Display Of Glycosylated Tyrosinase Related Protein-2 (Trp-2) Tumour Antigen On Lactococcus Lactis, Jeevanathan Kalyanasundram, Suet Lin Chia, Adelene Ai Lian Song, Abdul Rahim Raha, Howard A. Young, Khatijah Yusoff
Surface Display Of Glycosylated Tyrosinase Related Protein-2 (Trp-2) Tumour Antigen On Lactococcus Lactis, Jeevanathan Kalyanasundram, Suet Lin Chia, Adelene Ai Lian Song, Abdul Rahim Raha, Howard A. Young, Khatijah Yusoff
Public Health Resources
Background: The exploitation of the surface display system of food and commensal lactic acid bacteria (LAB) for bacterial, viral, or protozoan antigen delivery has received strong interest recently. The Generally Regarded as Safe (GRAS) status of the Lactococcus lactis coupled with a non-recombinant strategy of in-trans surface display, provide a safe platform for therapeutic drug and vaccine development. However, production of therapeutic proteins fused with cell-wall anchoring motifs is predominantly limited to prokaryotic expression systems. This presents a major disadvantage in the surface display system particularly when glycosylation has been recently identified to significantly enhance epitope presentation. In this study, …
Architecture Of High-Affinity Unnatural-Base Dna Aptamers Toward Pharmaceutical Applications, Ken Ichiro Matsunaga, Michiko Kimoto, Charlotte Hanson, Michael Sanford, Howard A. Young, Ichiro Hirao
Architecture Of High-Affinity Unnatural-Base Dna Aptamers Toward Pharmaceutical Applications, Ken Ichiro Matsunaga, Michiko Kimoto, Charlotte Hanson, Michael Sanford, Howard A. Young, Ichiro Hirao
Public Health Resources
We present a remodeling method for high-affinity unnatural-base DNA aptamers to augment their thermal stability and nuclease resistance, for use as drug candidates targeting specific proteins. Introducing a unique mini-hairpin DNA provides robust stability to unnatural-base DNA aptamers generated by SELEX using genetic alphabet expansion, without reducing their high affinity. By this method, >80% of the remodeled DNA aptamer targeting interferon-γ (KD of 33 pM) survived in human serum at 37 °C after 3 days under our experimental conditions, and sustainably inhibited the biological activity of interferon-γ.
Impact Of Dietary Components On Nk And Treg Cell Function For Cancer Prevention, Young S. Kim, Thomas J. Sayers, Nancy H. Colburn, John A. Milner, Howard A. Young
Impact Of Dietary Components On Nk And Treg Cell Function For Cancer Prevention, Young S. Kim, Thomas J. Sayers, Nancy H. Colburn, John A. Milner, Howard A. Young
Public Health Resources
An important characteristic of cancer is that the disease can overcome the surveillance of the immune system. A possible explanation for this resistance arises from the ability of tumor cells to block the tumoricidal activity of host immune cells such as natural killer (NK) cells by inducing the localized accumulation of regulatory T (Treg) cells. Evidence exists that components in commonly consumed foods including vitamins A, D, and E, water-soluble constituents of mushrooms, polyphenolics in fruits and vegetables, and n-3 fatty acids in fish oil can modulate NK cell activities, Treg cell properties, and the interactions between those two cell …
Does The Microbiota Play A Role In The Pathogenesis Of Autoimmune Diseases?, Mairi H. Mclean, Dario Dieguez, Lindsey M. Miller, Howard A. Young
Does The Microbiota Play A Role In The Pathogenesis Of Autoimmune Diseases?, Mairi H. Mclean, Dario Dieguez, Lindsey M. Miller, Howard A. Young
Public Health Resources
The microbiota of the human metaorganism is not a mere bystander. These microbes have coevolved with us and are pivotal to normal development and homoeostasis. Dysbiosis of the GI microbiota is associated with many disease susceptibilities, including obesity, malignancy, liver disease and GI pathology such as IBD. It is clear that there is direct and indirect crosstalk between this microbial community and host immune response. However, the precise mechanism of this microbial influence in disease pathogenesis remains elusive and is now a major research focus. There is emerging literature on the role of the microbiota in the pathogenesis of autoimmune …
Nos Inhibition Modulates Immune Polarization And Improves Radiation-Induced Tumor Growth Delay, Lisa A. Ridnour, Robert Y.S. Cheng, Jonathan M. Weiss, Sukhbir Kaur, David R. Soto-Pantoja, Debashree Basudhar, Julie L. Heinecke, C. Andrew Stewart, William Degraff, Anastasia L. Sowers, Angela Thetford, Aparna H. Kesarwala, David D. Roberts, Howard A. Young, James B. Mitchell, Giorgio Trinchieri, Robert H. Wiltrout, David A. Wink
Nos Inhibition Modulates Immune Polarization And Improves Radiation-Induced Tumor Growth Delay, Lisa A. Ridnour, Robert Y.S. Cheng, Jonathan M. Weiss, Sukhbir Kaur, David R. Soto-Pantoja, Debashree Basudhar, Julie L. Heinecke, C. Andrew Stewart, William Degraff, Anastasia L. Sowers, Angela Thetford, Aparna H. Kesarwala, David D. Roberts, Howard A. Young, James B. Mitchell, Giorgio Trinchieri, Robert H. Wiltrout, David A. Wink
Public Health Resources
Nitric oxide synthases (NOS) are important mediators of progrowth signaling in tumor cells, as they regulate angiogenesis, immune response, and immune-mediated wound healing. Ionizing radiation (IR) is also an immune modulator and inducer of wound response. We hypothesized that radiation therapeutic efficacy could be improved by targeting NOS following tumor irradiation. Herein, we show enhanced radiation-induced (10 Gy) tumor growth delay in a syngeneic model (C3H) but not immunosuppressed (Nu/Nu) squamous cell carcinoma tumor-bearing mice treated post-IR with the constitutive NOS inhibitor NG-nitro-L-arginine methyl ester (L-NAME). These results suggest a requirement of T cells for improved radiation tumor response. In …
Sera From Patients With Active Systemic Lupus Erythematosus Patients Enhance The Toll-Like Receptor 4 Response In Monocyte Subsets, Tiago Carvalheiro, Diane Gomes, Ligia A. Pinto, Luis Inês, Ana Lopes, Ana Henriques, Susana Pedreiro, António Martinho, Hélder Trindade, Howard A. Young, José António Pereira Da Silva, Artur Paiva
Sera From Patients With Active Systemic Lupus Erythematosus Patients Enhance The Toll-Like Receptor 4 Response In Monocyte Subsets, Tiago Carvalheiro, Diane Gomes, Ligia A. Pinto, Luis Inês, Ana Lopes, Ana Henriques, Susana Pedreiro, António Martinho, Hélder Trindade, Howard A. Young, José António Pereira Da Silva, Artur Paiva
Public Health Resources
Background: Systemic Lupus Erythematosus (SLE) is an auto-immune disease whose complex pathogenesis remains unraveled. Here we aim to explore the inflammatory ability of SLE patients' sera upon peripheral blood (PB) monocyte subsets and myeloid dendritic cells (mDCs) obtained from healthy donors. Methods: In this study we included 11 SLE patients with active disease (ASLE), 11 with inactive disease (ISLE) and 10 healthy controls (HC). PB from healthy donors was stimulated with patients' sera, toll-like receptor (TLR) 4 ligand - lipopolysaccharide or both. The intracellular production of TNF-α was evaluated in classical, non-classical monocytes and mDCs, using flow cytometry. TNF-α mRNA …
Short Course In The Microbiome, Kimberly Falana, Rob Knight, Camilia R. Martin, Romina Goldszmid, K. Leigh Greathouse, Joanne Gere, Howard Young, Winston Patrick Kuo
Short Course In The Microbiome, Kimberly Falana, Rob Knight, Camilia R. Martin, Romina Goldszmid, K. Leigh Greathouse, Joanne Gere, Howard Young, Winston Patrick Kuo
Public Health Resources
Over the past decade, it has become evident that the microbiome is an important environmental factor that affects many physiological processes, such as cell proliferation and differentiation, behaviour, immune function and metabolism. More importantly, it may contribute to a wide variety of diseases, including cancer, inflammatory diseases, metabolic diseases and responses to pathogens. We expect that international, integrative and interdisciplinary translational research teams, along with the emergence of FDA-approved platforms, will set the framework for microbiome-based therapeutics and diagnostics. We recognize that the microbiome ecosystem offers new promise for personalized/precision medicine and targeted treatment for a variety of diseases. The …