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Cell and Developmental Biology Commons™
Open Access. Powered by Scholars. Published by Universities.®
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- Melanoma (2)
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Articles 1 - 7 of 7
Full-Text Articles in Cell and Developmental Biology
Modification Of The Tumor Microenvironment Enhances Anti-Pd-1 Immunotherapy In Metastatic Melanoma, Guilan Shi, Megan Scott, Cathryn G. Mangiamele, Richard Heller
Modification Of The Tumor Microenvironment Enhances Anti-Pd-1 Immunotherapy In Metastatic Melanoma, Guilan Shi, Megan Scott, Cathryn G. Mangiamele, Richard Heller
Bioelectrics Publications
Resistance to checkpoint-blockade treatments is a challenge in the clinic. Both primary and acquired resistance have become major obstacles, greatly limiting the long-lasting effects and wide application of blockade therapy. Many patients with metastatic melanoma eventually require further therapy. The absence of T-cell infiltration to the tumor site is a well-accepted contributor limiting immune checkpoint inhibitor efficacy. In this study, we combined intratumoral injection of plasmid IL-12 with electrotransfer and anti-PD-1 in metastatic B16F10 melanoma tumor model to increase tumor-infiltrating lymphocytes and improve therapeutic efficacy. We showed that effective anti-tumor responses required a subset of tumor-infiltrating CD8+ and CD4 …
In Vivo Metabolic Analysis Of The Anticancer Effects Of Plasma-Activated Saline In Three Tumor Animal Models, Miao Qi, Dehui Xu, Shuai Wang, Bing Li, Sansan Peng, Qiaosong Li, Hao Zhang, Runze Fan, Hai-Lan Chen, Michael G. Kong
In Vivo Metabolic Analysis Of The Anticancer Effects Of Plasma-Activated Saline In Three Tumor Animal Models, Miao Qi, Dehui Xu, Shuai Wang, Bing Li, Sansan Peng, Qiaosong Li, Hao Zhang, Runze Fan, Hai-Lan Chen, Michael G. Kong
Bioelectrics Publications
In recent years, the emerging technology of cold atmospheric pressure plasma (CAP) has grown rapidly along with the many medical applications of cold plasma (e.g., cancer, skin disease, tissue repair, etc.). Plasma-activated liquids (e.g., culture media, water, or normal saline, previously exposed to plasma) are being studied as cancer treatments, and due to their advantages, many researchers prefer plasma-activated liquids as an alternative to CAP in the treatment of cancer. In this study, we showed that plasma-activated-saline (PAS) treatment significantly inhibited tumor growth, as compared with saline, in melanoma, and a low-pH environment had little effect on tumor growth in …
Wild-Type P53 Enhances Endothelial Barrier Function By Mediating Rac1 Signalling And Rhoa Inhibition, Nektarios Barabutis, Christiana Dimitropoulou, Betsy Gregory, John D. Catravas
Wild-Type P53 Enhances Endothelial Barrier Function By Mediating Rac1 Signalling And Rhoa Inhibition, Nektarios Barabutis, Christiana Dimitropoulou, Betsy Gregory, John D. Catravas
Bioelectrics Publications
Inflammation is the major cause of endothelial barrier hyper-permeability, associated with acute lung injury and acute respiratory distress syndrome. This study reports that p53 "orchestrates" the defence of vascular endothelium against LPS, by mediating the opposing actions of Rac1 and RhoA in pulmonary tissues. Human lung microvascular endothelial cells treated with HSP90 inhibitors activated both Rac1- and P21-activated kinase, which is an essential element of vascular barrier function. 17AAG increased the phosphorylation of both LIMK and cofilin, in contrast to LPS which counteracted those effects. Mouse lung microvascular endothelial cells exposed to LPS exhibited decreased expression of phospho-cofilin. 17AAG treatment …
Enhanced Electric Pulse Technology For The Ablation Of Pancreatic Cancer, Siqi Guo, Niculina I. Burcus, Chelsea M. Edelblute, James Hornef, Chunqi Jiang, Karl Schoenbach, Richard Heller, Stephen J. Beebe
Enhanced Electric Pulse Technology For The Ablation Of Pancreatic Cancer, Siqi Guo, Niculina I. Burcus, Chelsea M. Edelblute, James Hornef, Chunqi Jiang, Karl Schoenbach, Richard Heller, Stephen J. Beebe
Bioelectrics Publications
Electric pulse based technology has been developed and studied as a non-thermal ablation method for local control of pancreatic cancer. Irreversible electroporation (IRE) has shown a significant survival benefit for local advanced pancreatic cancer in clinical trials. However, incomplete ablation with local recurrence and major complications limit the potential of this new technology. We have developed an integrated moderate heating electric pulse delivery system which consists of controllable tumor heating, multi-parameter monitoring and electric pulse delivery. The impedance of tumor is greatly decreased after moderate heating at 42°C for 1–2 min, which does not cause any cell death. Moderate heating …
Synergistic Effects Of Nanosecond Pulsed Electric Fields Combined With Low Concentration Of Gemcitabine On Human Oral Squamous Cell Carcinoma In Vitro, Jing Wang, Jinsong Guo, Shan Wu, Hongqing Feng, Shujun Sun, Jie Pan, Jue Zhang, Stephen J. Beebe
Synergistic Effects Of Nanosecond Pulsed Electric Fields Combined With Low Concentration Of Gemcitabine On Human Oral Squamous Cell Carcinoma In Vitro, Jing Wang, Jinsong Guo, Shan Wu, Hongqing Feng, Shujun Sun, Jie Pan, Jue Zhang, Stephen J. Beebe
Bioelectrics Publications
Treatment of cancer often involves uses of multiple therapeutic strategies with different mechanisms of action. In this study we investigated combinations of nanosecond pulsed electric fields (nsPEF) with low concentrations of gemcitabine on human oral cancer cells. Cells (Cal-27) were treated with pulse parameters (20 pulses, 100 ns in duration, intensities of 10, 30 and 60 kV/cm) and then cultured in medium with 0.01 mu g/ml gemcitabine. Proliferation, apoptosis/necrosis, invasion and morphology of those cells were examined using MTT, flow cytometry, clonogenics, transwell migration and TEM assay. Results show that combination treatments of gemcitabine and nsPEFs exhibited significant synergistic activities …
Decorin Expression, Straw-Like Structure, And Differentiation Of Human Costal Cartilage, Michael W. Stacey, Janna Grubb, Anthony Asmar, Julie Pryor, Hani Elsayed-Ali, Ali Beskok, Diganta Dutta, Annie Fecteau, Alice Werner, Dennis A. Darby, Robert Kelly
Decorin Expression, Straw-Like Structure, And Differentiation Of Human Costal Cartilage, Michael W. Stacey, Janna Grubb, Anthony Asmar, Julie Pryor, Hani Elsayed-Ali, Ali Beskok, Diganta Dutta, Annie Fecteau, Alice Werner, Dennis A. Darby, Robert Kelly
Bioelectrics Publications
Costal cartilage is much understudied compared with the load-bearing cartilages. Abnormally grown costal cartilages are associated with the inherited chest wall deformities pectus excavatum and pectus carinatum resulting in sunken and pigeon chests, respectively. A lack of understanding of the ultrastructural and molecular biology of costal cartilage is a major confounder in predicting causes and outcomes of these disorders. This study analyzed the structure of marginal human costal cartilage (ribs 6-10) through scanning electron and atomic force microscopes and identified the presence of straw-like structures running longitudinally. We also demonstrated that chondrocytes tend to occur singly or as doublets and …
Comparative Study Of Long-And Short-Pulsed Electric Fields For Treating Melanoma In An In Vivo Mouse Model, Xinhua Chen, Xinmei Chen, Karl H. Schoenbach, Shusen Zheng, R. James Swanson
Comparative Study Of Long-And Short-Pulsed Electric Fields For Treating Melanoma In An In Vivo Mouse Model, Xinhua Chen, Xinmei Chen, Karl H. Schoenbach, Shusen Zheng, R. James Swanson
Bioelectrics Publications
A mouse melanoma model was set up with green fluorescent protein (GFP) expression in vivo. With the same energy, long- (1 ms) and short- (300 ns) pulsed electric fields were delivered to two melanomas injected into the same mouse. The tumor growth and green fluorescence were followed up to compare the different treatment efficacy of long and short pulses. After two days post treatment, short pulse-treated tumors showed a significantly lower tumor volume compared with long pulse-treated tumors (n=8, p