Search Results - "Segel, L"
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1
G-CSF Control of Neutrophils Dynamics in the Blood
Published in Bulletin of mathematical biology (01-10-2007)“…White blood cell neutrophil is a key component in the fast initial immune response against bacterial and fungal infections. Granulocyte colony stimulating…”
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2
Generation of Oscillations by the p53-Mdm2 Feedback Loop: A Theoretical and Experimental Study
Published in Proceedings of the National Academy of Sciences - PNAS (10-10-2000)“…The intracellular activity of the p53 tumor suppressor protein is regulated through a feedback loop involving its transcriptional target, mdm2. We present a…”
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3
How growth affects the fate of cellular metabolites
Published in Bulletin of mathematical biology (2005)“…Cellular metabolites frequently have more than a single function in the cell. For example they may be sources of energy as well as building blocks for several…”
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4
Computing an Organism
Published in Proceedings of the National Academy of Sciences - PNAS (27-03-2001)“…Segel describes a study by Maree and Hogeweg in which they provide a computer simulation of the frog-prince transformation of the slug into a fruiting body…”
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On the validity of the steady state assumption of enzyme kinetics
Published in Bulletin of mathematical biology (1988)“…By estimating relevant time scales, a simple new condition can be found that ensures the validity of the steady state assumption for a standard…”
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6
Diffusion cannot govern the discharge of neurotransmitter in fast synapses
Published in Biophysical journal (01-09-1994)“…In the present work we show that diffusion cannot provide the observed fast discharge of neurotransmitter from a synaptic vesicle during neurotransmitter…”
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7
Theory for the Feedback Inhibition of Fast Release of Neurotransmitter
Published in Bulletin of mathematical biology (01-07-2000)“…Autoinhibition of neurotransmitter release occurs via binding of transmitter to appropriate receptors. Experiments have provided evidence suggesting that the…”
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8
One-vesicle Hypothesis for Neurotransmitter Release: a Possible Molecular Mechanism
Published in Bulletin of mathematical biology (01-11-2001)“…Neurotransmitter-containing vesicles are clustered in release sites. Although a given site can contain tens of vesicles, there is evidence that under a wide…”
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9
On the Role of Feedback in Promoting Conflicting Goals of the Adaptive Immune System
Published in The Journal of immunology (1950) (01-08-1999)“…We explored here the implications of two premises. 1) In their response over days or weeks to pathogen invasion, cells of the immune system combine several…”
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Pattern formation in one- and two-dimensional shape-space models of the immune system
Published in Journal of theoretical biology (07-04-1992)“…A large-scale model of the immune network is analyzed, using the shape-space formalism. In this formalism, it is assumed that the immunoglobulin receptors on B…”
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11
Cardiac function and glycogen content after twenty-four-hour preservation with various metabolic substrates
Published in The Journal of heart and lung transplantation (01-03-1998)“…Previous work has suggested that recovery of cardiac function after long preservation periods is improved if a suitable exogenous substrate is provided…”
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12
On the validity of the steady state assumption of enzyme kinetics
Published in Bulletin of mathematical biology (1988)Get full text
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13
The Quasi-Steady-State Assumption: A Case Study in Perturbation
Published in SIAM review (01-09-1989)“…The quasi-steady-state assumption (QSSA) of biochemistry is studied as an approximation that is important in itself and also that exemplifies an approach to…”
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14
Theory of Fast Neurotransmitter Release Control Based on Voltage-dependent Interaction Between Autoreceptors and Proteins of the Exocytotic Machinery
Published in Bulletin of mathematical biology (01-07-1999)“…A molecular-level theory is constructed for the control of fast neurotransmitter release, based on recent experimental findings that depolarization shifts…”
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15
A basic biophysical model for bursting neurons
Published in Biological cybernetics (1993)“…Presented here is a basic biophysical cell model for bursting, an extension of our previous model (Av-Ron et al. 1991) for excitability and oscillations. By…”
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16
Neurotransmitter discharge and postsynaptic rise times
Published in Biophysical journal (01-04-1996)Get full text
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17
Th1 or Th2: How an Appropriate T Helper Response can be Made
Published in Bulletin of mathematical biology (01-05-2001)“…Two types of T helper (Th) cells have been defined on the basis of their cytokine secretion patterns. The decision of a naive T cell to differentiate into Th1…”
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18
Steroid pretreatment improves graft recovery in a sheep orthotopic heart transplantation model
Published in The Journal of heart and lung transplantation (01-04-1997)“…Previous reports provide conflicting evidence concerning effects of steroids on recovery of cardiac function during procedures involving cardiopulmonary…”
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19
Recovery of sheep hearts after perfusion preservation or static storage with crystalloid media
Published in The Journal of heart and lung transplantation (01-02-1998)“…These experiments were designed to evaluate the viability of large hearts after preservation by use of procedures that have shown good results with small…”
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20
Direct cardiac effects of vasopressin and their reversal by a vascular antagonist
Published in The American journal of physiology (01-10-1986)“…We studied the direct cardiac effects of arginine vasopressin (AVP) by use of an isolated working rat heart model perfused with Krebs-Henseleit medium. At a…”
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