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Articles 1 - 3 of 3
Full-Text Articles in Cell and Developmental Biology
Bone Morphogenic Proteins Are Immunoregulatory Cytokines Controlling Foxp3+ TReg Cells, Lauren M. Browning, Caroline Miller, Michal Kuczma, Maciej Pietrzak, Yu Jing, Grzegorz Rempala, Pawel Muranski, Leszek Ignatowicz, Piotr Kraj
Bone Morphogenic Proteins Are Immunoregulatory Cytokines Controlling Foxp3+ TReg Cells, Lauren M. Browning, Caroline Miller, Michal Kuczma, Maciej Pietrzak, Yu Jing, Grzegorz Rempala, Pawel Muranski, Leszek Ignatowicz, Piotr Kraj
Bioelectrics Publications
Bone morphogenic proteins (BMPs) are members of the transforming growth factor β (TGF-β) cytokine family promoting differentiation, homeostasis, and self-renewal of multiple tissues. We show that signaling through the bone morphogenic protein receptor 1α (BMPR1α) sustains expression of FOXP3 in Treg cells in peripheral lymphoid tissues. BMPR1α signaling promotes molecular circuits supporting acquisition and preservation of Treg cell phenotype and inhibiting differentiation of pro-inflammatory effector Th1/Th17 CD4+ T cell. Mechanistically, increased expression of KDM6B (JMJD3) histone demethylase, an antagonist of the polycomb repressive complex 2, underlies lineage-specific changes of T cell phenotypes associated with abrogation of BMPR1α signaling. …
Emerging Roles Of The Membrane Potential: Action Beyond The Action Potential, Lina Abdul Kadir, Michael Stacey, Richard Barrett-Jolley
Emerging Roles Of The Membrane Potential: Action Beyond The Action Potential, Lina Abdul Kadir, Michael Stacey, Richard Barrett-Jolley
Bioelectrics Publications
Whilst the phenomenon of an electrical resting membrane potential (RMP) is a central tenet of biology, it is nearly always discussed as a phenomenon that facilitates the propagation of action potentials in excitable tissue, muscle, and nerve. However, as ion channel research shifts beyond these tissues, it became clear that the RMP is a feature of virtually all cells studied. The RMP is maintained by the cell's compliment of ion channels. Transcriptome sequencing is increasingly revealing that equally rich compliments of ion channels exist in both excitable and non-excitable tissue. In this review, we discuss a range of critical roles …
Inhibition Of Voltage-Gated Na+ Current By Nanosecond Pulsed Electric Field (Nspef) Is Not Mediated By Na+ Influx Or Ca²+ Signaling, Vasyl Nesin, Andrei G. Pakhomov
Inhibition Of Voltage-Gated Na+ Current By Nanosecond Pulsed Electric Field (Nspef) Is Not Mediated By Na+ Influx Or Ca²+ Signaling, Vasyl Nesin, Andrei G. Pakhomov
Bioelectrics Publications
In earlier studies, we found that permeabilization of mammalian cells with nsPEF was accompanied by prolonged inhibition of voltage-gated (VG) currents through the plasma membrane. This study explored if the inhibition of VG Na+ current (INa) resulted from (i) reduction of the transmembrane Na+ gradient due to its influx via nsPEF-opened pores, and/or (ii) downregulation of the VG channels by a Ca2+ -dependent mechanism. We found that a single 300?ns electric pulse at 1.65.3?kV/cm triggered sustained Na+ influx in exposed NG108 cells and in primary chromaffin cells, as detected by increased fluorescence of a …