User profiles for Kyle L. Ellefsen

Kyle Ellefsen

Machine Learning Software Engineer, Google
Verified email at google.com
Cited by 640

[HTML][HTML] Myosin-II mediated traction forces evoke localized Piezo1-dependent Ca2+ flickers

KL Ellefsen, JR Holt, AC Chang, JL Nourse… - Communications …, 2019 - nature.com
Piezo channels transduce mechanical stimuli into electrical and chemical signals to powerfully
influence development, tissue homeostasis, and regeneration. Studies on Piezo1 have …

An algorithm for automated detection, localization and measurement of local calcium signals from camera-based imaging

KL Ellefsen, B Settle, I Parker, IF Smith - Cell calcium, 2014 - Elsevier
Local Ca 2+ transients such as puffs and sparks form the building blocks of cellular Ca 2+
signaling in numerous cell types. They have traditionally been studied by linescan confocal …

Hindered cytoplasmic diffusion of inositol trisphosphate restricts its cellular range of action

GD Dickinson, KL Ellefsen, SP Dawson, JE Pearson… - Science …, 2016 - science.org
The range of action of intracellular messengers is determined by their rates of diffusion and
degradation. Previous measurements in oocyte cytoplasmic extracts indicated that the Ca 2+ …

[HTML][HTML] Spinning-spot shadowless TIRF microscopy

KL Ellefsen, JL Dynes, I Parker - PLoS One, 2015 - journals.plos.org
Total internal reflection fluorescence (TIRF) microscopy is a powerful tool for visualizing near-membrane
cellular structures and processes, including imaging of local Ca 2+ transients …

[HTML][HTML] QuantiMus: a machine learning-based approach for high precision analysis of skeletal muscle morphology

JM Kastenschmidt, KL Ellefsen, AH Mannaa… - Frontiers in …, 2019 - frontiersin.org
Skeletal muscle injury provokes a regenerative response, characterized by the de novo
generation of myofibers that are distinguished by central nucleation and re-expression of …

Dynamic Ca2+ imaging with a simplified lattice light-sheet microscope: A sideways view of subcellular Ca2+ puffs

KL Ellefsen, I Parker - Cell Calcium, 2018 - Elsevier
We describe the construction of a simplified, inexpensive lattice light-sheet microscope, and
illustrate its use for imaging subcellular Ca 2+ puffs evoked by photoreleased i-IP 3 in …

Mefloquine effects on ventral tegmental area dopamine and GABA neuron inhibition: A physiologic role for connexin‐36 GAP junctions

DW Allison, RS Wilcox, KL Ellefsen, CE Askew… - Synapse, 2011 - Wiley Online Library
Connexin‐36 (Cx36) gap junctions (GJs) appear to be involved in the synchronization of
GABA interneurons in many brain areas. We have previously identified a population of Cx36‐…

[HTML][HTML] Applications of FLIKA, a Python-based image processing and analysis platform, for studying local events of cellular calcium signaling

KL Ellefsen, JT Lock, B Settle, CA Karsten… - Biochimica Et Biophysica …, 2019 - Elsevier
The patterning of cytosolic Ca 2+ signals underlies their ubiquitous ability to specifically
regulate numerous cellular processes. Advances in fluorescence microscopy have made it …

Imaging local Ca2+ signals in cultured mammalian cells

JT Lock, KL Ellefsen, B Settle, I Parker… - JoVE (Journal of …, 2015 - jove.com
Cytosolic Ca2+ ions regulate numerous aspects of cellular activity in almost all cell types,
controlling processes as wide-ranging as gene transcription, electrical excitability and cell …

Contribution of innate cortical mechanisms to the maturation of orientation selectivity in parvalbumin interneurons

DXF Velez, KL Ellefsen, ER Hathaway… - Journal of …, 2017 - Soc Neuroscience
The maturation of cortical parvalbumin-positive (PV) interneurons depends on the interaction
of innate and experience-dependent factors. Dark-rearing experiments suggest that visual …