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News 56 Publications 12 Members

Electric currents in Xenopus tadpole tail regeneration. PDF available through Get Fulltext Research

Brian Reid Song, B Min Zhao

Published in Developmental Biology

Xenopus laevis tadpoles can regenerate tail, including spinal cord, after partial amputation, but lose this ability during a specific period around stage 45. They regain this ability after stage 45. What happens during this "refractory period" might hold the key to spinal cord regeneration. We hypothesize that electric currents at amputated stumps ...

The Electrical Response to Injury: Molecular Mechanisms and Wound Healing.

Brian Reid Min Zhao

Published in Advances in Wound Care

Significance: Natural, endogenous electric fields (EFs) and currents arise spontaneously after wounding of many tissues, especially epithelia, and are necessary for normal healing. This wound electrical activity is a long-lasting and regulated response. Enhancing or inhibiting this electrical activity increases or decreases wound healing, respectiv...

Electrical estimulation of retinal pigment epithelial cells.

Gamboa, Ol Pu, J Townend, J Forrester, Jv Min Zhao Mccaig, C Lois, N

Published in Experimental Eye Research

We investigated and characterized the effect of externally applied electric fields (EF) on retinal pigment epithelial (RPE) cells by exposing primary cultures of human RPE cells (hRPE) and those from the ARPE19 immortalized cell line to various strengths of EF (EF-treated cells) or to no EF (control cells) under different conditions including prese...

Airway epithelial wounds in rhesus monkey generate ionic currents that guide cell migration to promote healing. PDF available through Get Fulltext Research

Yao-Hui Sun Brian Reid Fontaine, Jh Miller, La Hyde, Dm Mogilner, A Min Zhao

Published in Journal of Applied Physiology

Damage to the respiratory epithelium is one of the most critical steps to many life-threatening diseases, such as acute respiratory distress syndrome and chronic obstructive pulmonary disease. The mechanisms underlying repair of the damaged epithelium have not yet been fully elucidated. Here we provide experimental evidence suggesting a novel mecha...

Electric currents and lens regeneration in the rat.

Lois, N Brian Reid Song, B Min Zhao Forrester, J Mccaig, C

Published in Experimental Eye Research

We studied the process of lens regeneration in the rat following an extracapsular lens extraction preserving the anterior lens capsule and anterior lens epithelium. We assessed clinically the clarity of the newly regenerated lens, evaluated changes in the lens electrical currents following surgery and during the regeneration process and correlated ...

Electric field-controlled directed migration of neural progenitor cells in 2D and 3D environments.

Meng, X Li, W Young, F Gao, R Chalmers, L Min Zhao Song, B

Published in Journal of Visualized Experiments

Endogenous electric fields (EFs) occur naturally in vivo and play a critical role during tissue/organ development and regeneration, including that of the central nervous system(1,2). These endogenous EFs are generated by cellular regulation of ionic transport combined with the electrical resistance of cells and tissues. It has been reported that ap...

Electrical Activation of Wound-Healing Pathways.

Min Zhao Penninger, J Isseroff, Rr

Published in Advances in Skin & Wound Care

BACKGROUND: Effective wound healing has been a lasting and challenging topic in health care. Various strategies have been used to accelerate and perfect the healing process. One such strategy has involved the application of an exogenous electrical stimulus to chronic wounds with the aim of stimulating healing responses. THE PROBLEM: The biology of ...

Single cell wound generates electric current circuit and cell membrane potential variations that requires calcium influx...

Luxardi, G Brian Reid Maillard, P Min Zhao

Published in Integrative Biology

Breaching of the cell membrane is one of the earliest and most common causes of cell injury, tissue damage, and disease. If the compromise in cell membrane is not repaired quickly, irreversible cell damage, cell death and defective organ functions will result. It is therefore fundamentally important to efficiently repair damage to the cell membrane...

A Dominant-Negative FGF1 Mutant (the R50E Mutant) Suppresses Tumorigenesis and Angiogenesis PDF available through Get Fulltext Research

Mori, Seiji Tran, Vu Nishikawa, Kyoko Kaneda, Teruya Hamada, Yoshinosuke Kawaguchi, Naomasa Fujita, Masaaki Takada, Yoko K. Matsuura, Nariaki Min Zhao ...

Published in PLoS ONE

Measurement of extracellular ion fluxes using the ion-selective self-referencing microelectrode technique.

Luxardi, G Brian Reid Fernando Ferreira Maillard, P Min Zhao

Published in Journal of Visualized Experiments

Cells from animals, plants and single cells are enclosed by a barrier called the cell membrane that separates the cytoplasm from the outside. Cell layers such as epithelia also form a barrier that separates the inside from the outside or different compartments of multicellular organisms. A key feature of these barriers is the differential distribut...

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