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Articles 31 - 34 of 34
Full-Text Articles in Cells
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 …
Nanopulse Stimulation (Nps) Induces Tumor Ablation And Immunity In Orthotopic 4t1 Mouse Breast Cancer: A Review, Stephen J. Beebe, Brittany P. Lassiter, Siqi Guo
Nanopulse Stimulation (Nps) Induces Tumor Ablation And Immunity In Orthotopic 4t1 Mouse Breast Cancer: A Review, Stephen J. Beebe, Brittany P. Lassiter, Siqi Guo
Bioelectrics Publications
Nanopulse Stimulation (NPS) eliminates mouse and rat tumor types in several different animal models. NPS induces protective, vaccine-like effects after ablation of orthotopic rat N1-S1 hepatocellular carcinoma. Here we review some general concepts of NPS in the context of studies with mouse metastatic 4T1 mammary cancer showing that the postablation, vaccine-like effect is initiated by dynamic, multilayered immune mechanisms. NPS eliminates primary 4T1 tumors by inducing immunogenic, caspase-independent programmed cell death (PCD). With lower electric fields, like those peripheral to the primary treatment zone, NPS can activate dendritic cells (DCs). The activation of DCs by dead/dying cells leads to increases …
Membrane Channel Gene Expression In Human Costal And Articular Chondrocytes, A. Asmar, R. Barrett-Jolley, A. Werner, R. Kelly Jr., M. Stacey
Membrane Channel Gene Expression In Human Costal And Articular Chondrocytes, A. Asmar, R. Barrett-Jolley, A. Werner, R. Kelly Jr., M. Stacey
Bioelectrics Publications
Chondrocytes are the uniquely resident cells found in all types of cartilage and key to their function is the ability to respond to mechanical loads with changes of metabolic activity. This mechanotransduction property is, in part, mediated through the activity of a range of expressed transmembrane channels; ion channels, gap junction proteins, and porins. Appropriate expression of ion channels has been shown essential for production of extracellular matrix and differential expression of transmembrane channels is correlated to musculoskeletal diseases such as osteoarthritis and Albers-Sch€onberg. In this study we analyzed the consistency of gene expression between channelomes of chondrocytes from human …
Analysis Of Ca²⁺ Mobilization Of Nanosecond Pulses In Cells, Iurii Semenov
Analysis Of Ca²⁺ Mobilization Of Nanosecond Pulses In Cells, Iurii Semenov
Bioelectrics Publications
Exposure to nanosecond electric pulses (nsEPs) evokes transient rise of cytosolic free Ca²⁺ concentration ([Ca²⁺]i) in the cells. We quantified the external Ca²⁺ uptake, intracellular Ca²⁺ release and uncover interplay of these processes for CHO-K1 cells upon exposure to single 60 ns pulse in the range of amplitudes from 0 to 30 kV/cm. NsEPs are distinguished by the ability to electroporate intracellular membranes. We studied how duration of nsEPs is related to efficiency of intracellular membranes electroporation comparing ability of single 300-, 60- and 10 ns pulses to recruit Ca²⁺ from endoplasmic reticulum (ER) in respect to the uptake of …