Search Results - "Sigurd, B"

Membrane Tension Maintains Cell Polarity by Confining Signals to the Leading Edge during Neutrophil Migration by Houk, Andrew R., Jilkine, Alexandra, Mejean, Cecile O., Boltyanskiy, Rostislav, Dufresne, Eric R., Angenent, Sigurd B., Altschuler, Steven J., Wu, Lani F., Weiner, Orion D.

“…Little is known about how neutrophils and other cells establish a single zone of actin assembly during migration. A widespread assumption is that the leading…”
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Ricci Solitons, Conical Singularities, and Nonuniqueness by Angenent, Sigurd B., Knopf, Dan

“…In dimension n = 3 , there is a complete theory of weak solutions of Ricci flow—the singular Ricci flows introduced by Kleiner and Lott (Acta Math…”
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A PINK1 input threshold arises from positive feedback in the PINK1/Parkin mitophagy decision circuit by Waters, Christopher S., Angenent, Sigurd B., Altschuler, Steven J., Wu, Lani F.

“…Mechanisms that prevent accidental activation of the PINK1/Parkin mitophagy circuit on healthy mitochondria are poorly understood. On the surface of damaged…”
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On the spontaneous emergence of cell polarity by Altschuler, Steven J, Wu, Lani F, Wang, Yanqin, Angenent, Sigurd B

“…Diverse cell polarity networks require positive feedback for locally amplifying distributions of signalling molecules at the plasma membrane. Additional…”
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A density-dependent switch drives stochastic clustering and polarization of signaling molecules by Jilkine, Alexandra, Angenent, Sigurd B, Wu, Lani F, Altschuler, Steven J

“…Positive feedback plays a key role in the ability of signaling molecules to form highly localized clusters in the membrane or cytosol of cells. Such clustering…”
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Outcomes of Anterior Exposure for Spinal Surgery at an Independent Academic Medical Center by Smith, Travis J, Bauer, Amelia T, Kallies, Kara J, Al-Hamadani, Mohammed, Gundersen, 3rd, Sigurd B

“…Anterior exposure for spinal surgery has expanded and is used for common spinal procedures, including anterior lumbar interbody fusion, disc replacement, and…”
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Laparoscopic distal pancreatectomy and splenectomy for splenic artery aneurysm by Grover, Brandon T., Gundersen, Sigurd B., Kothari, Shanu N.

“…Background Large splenic artery aneurysms are rare but comprise 60% of all visceral artery aneurysms. Most are found incidentally and rupture in the…”
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Seconds from disaster: lessons learned from laparoscopic release of the median arcuate ligament by Riess, Kevin P., Serck, Luke, Gundersen, Sigurd B., Sergi, Michael, Kothari, Shanu N.

“…Median arcuate ligament syndrome (MALS) is a rare entity that manifests as abdominal pain, nausea, vomiting, and diarrhea. The median arcuate ligament is a…”
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Prevalence and prognosis of electrocardiographic left ventricular hypertrophy, ST segment depression and negative T-wave. The Copenhagen City Heart Study by Larsen, C.T., Dahlin, J., Blackburn, H., Scharling, H., Appleyard, M., Sigurd, B., Schnohr, P.

“…Aims To evaluate the prevalence and the independent prognosis of electrocardiographic left ventricular hypertrophy by voltage only, ST depression and negative…”
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Curve Shortening and the Topology of Closed Geodesics on Surfaces by Angenent, Sigurd B.

“…We study "flat knot types" of geodesics on compact surfaces M². For every flat knot type and any Riemannian metric g we introduce a Conley index associated…”
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Delayed neurologic deficit after infrarenal endovascular aortic aneurysm repair by Riess, Kevin P, Gundersen, 3rd, Sigurd B, Ziegelbein, Kurt J

“…Spinal cord ischemia is a rare and devastating complication after elective abdominal aortic aneurysm repair. It has recently been reported to occur after…”
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Traumatic Fracture of Polytetrafluoroethylene Axillofemoral Bypass Graft by Kitowski, Nicholas J., Gundersen, Sigurd B.

“…We report traumatic disruption of a ringed polytetrafluorethylene (PTFE) axillofemoral bypass (AFB) graft due to a fall. We also review the literature of…”
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Video. Laparoscopic distal pancreatectomy and splenectomy for splenic artery aneurysm by Grover, Brandon T, Gundersen, 3rd, Sigurd B, Kothari, Shanu N

“…Large splenic artery aneurysms are rare but comprise 60% of all visceral artery aneurysms. Most are found incidentally and rupture in the nonpregnant patient…”
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Midgut volvulus by Watkins, Brian P, Patel, Nirav Y, Gundersen, Sigurd B

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Enhancing nucleic acid delivery by photochemical internalization by Bøe, Sigurd Leinæs, Hovig, Eivind

“…Photochemical internalization (PCI) is a method for releasing macromolecules from endosomal and lysosomal compartments. The PCI approach uses a photosensitizer…”
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Mean curvature flow through singularities for surfaces of rotation by Altschuler, Steven, Angenent, Sigurd B., Giga, Yoshikazu

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Treatment with verapamil and trandolapril in patients with congestive heart failure and angina pectoris or myocardial infarction by Hansen, Jørgen F., Hagerup, Leif, Sigurd, Bjarne, Pedersen, Flemming, Mellemgaard, Kresten, Bjergaard, Ole Pedersen

“…In a double-blind, randomized trial in a consecutive group of postinfarct patients in treatment with diuretic agents for congestive heart failure, the 3 month…”
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A Density-Dependent Switch Drives Stochastic Clustering and Polarization of Signaling Molecules: e1002271 by Jilkine, Alexandra, Angenent, Sigurd B, Wu, Lani F, Altschuler, Steven J

“…Positive feedback plays a key role in the ability of signaling molecules to form highly localized clusters in the membrane or cytosol of cells. Such clustering…”
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Ricci Solitons, Conical Singularities, and Nonuniqueness by Angenent, Sigurd B, Knopf, Dan

“…Geom. Funct. Anal. (GAFA) 32 (2022), no.3, 411--489 In dimension $n=3$, there is a complete theory of weak solutions of Ricci flow - the singular Ricci flows…”
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Randomised trial of cholesterol lowering in 4444 patients with coronary heart disease: the Scandinavian Simvastatin Survival Study (4S)

“…Drug therapy for hypercholesterolaemia has remained controversial mainly because of insufficient clinical trial evidence for improved survival. The present…”
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