Search Results - "Reyes, Carlos M."

Renormalization in a Lorentz-violating model and higher-order operators by Nascimento, J. R., Petrov, A. Yu, Reyes, Carlos M.

“…The renormalization in a Lorentz-breaking scalar-spinor higher-derivative model involving ϕ 4 self-interaction and the Yukawa-like coupling is studied. We…”
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IGF-1 levels across the spectrum of normal to elevated in acromegaly: relationship to insulin sensitivity, markers of cardiovascular risk and body composition by Reid, Tirissa J., Jin, Zhezhen, Shen, Wei, Reyes-Vidal, Carlos M., Fernandez, Jean Carlos, Bruce, Jeffrey N., Kostadinov, Jane, Post, Kalmon D., Freda, Pamela U.

“…Purpose Activity of acromegaly is gauged by levels of GH and IGF-1 and epidemiological studies demonstrate that their normalization reduces acromegaly’s excess…”
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Features at diagnosis of 324 patients with acromegaly did not change from 1981 to 2006: acromegaly remains under-recognized and under-diagnosed by Reid, Tirissa J., Post, Kalmon D., Bruce, Jeffrey N., Nabi Kanibir, M., Reyes-Vidal, Carlos M., Freda, Pamela U.

“…Summary Background  Traditionally, acromegaly evaded diagnosis until in its clinically obvious later stages when treatment is more difficult. Over the last 25…”
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Serum Ghrelin Levels in Acromegaly: Effects of Surgical and Long-Acting Octreotide Therapy by Freda, Pamela U., Reyes, Carlos M., Conwell, Irene M., Sundeen, Robert E., Wardlaw, Sharon L.

“…The orexigenic peptide, ghrelin, is regulated by acute and chronic nutritional state. Although exogenously administered ghrelin stimulates pituitary GH…”
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Skeletal Muscle Mass in Acromegaly Assessed by Magnetic Resonance Imaging and Dual-Photon X-Ray Absorptiometry by Freda, Pamela U., Shen, Wei, Reyes-Vidal, Carlos M., Geer, Eliza B., Arias-Mendoza, Fernando, Gallagher, Dympna, Heymsfield, Steven B.

“…Context: GH and IGF-I are nitrogen retaining and anabolic, but the impact of long-term exposure to supraphysiological GH and IGF-I, either from endogenous…”
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Higher-order Lorentz-invariance violation, quantum gravity and fine-tuning by Reyes, Carlos M., Ossandon, Sebastian, Reyes, Camilo

“…The issue of Lorentz fine-tuning in effective theories containing higher-order operators is studied. To this end, we focus on the Myers–Pospelov extension of…”
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Unitarity in Stückelberg electrodynamics modified by a Carroll-Field-Jackiw term by Ferreira, Manoel M., Helayël-Neto, Jose A., Reyes, Carlos M., Schreck, Marco, Silva, Pedro D.S.

“…In this work we focus on the Carroll-Field-Jackiw (CFJ) modified electrodynamics in combination with a CPT-even Lorentz-violating contribution. We add a photon…”
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Microcausality and quantization of the fermionic Myers–Pospelov model by Lopez-Sarrion, Justo, Reyes, Carlos M.

“…We study the fermionic sector of the Myers and Pospelov theory with a general background n . The spacelike case without temporal component is well defined and…”
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Myers–Pospelov model as an ensemble of Pais–Uhlenbeck oscillators: unitarity and Lorentz invariance violation by Lopez-Sarrion, Justo, Reyes, Carlos M.

“…We study a generalization of the Pais–Uhlenbeck oscillator for fermionic variables. Next, we consider an ensemble of these oscillators and we identify a…”
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Neural network solution for an inverse problem associated with the Dirichlet eigenvalues of the anisotropic Laplace operator by Ossandón, Sebastián, Reyes, Camilo, Reyes, Carlos M.

“…An innovative numerical method based on an artificial neural network is presented in order to solve an inverse problem associated with the calculation of the…”
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Cabergoline therapy of growth hormone & growth hormone/prolactin secreting pituitary tumors by Freda, Pamela U, Reyes, Carlos M, Nuruzzaman, Abu T, Sundeen, Robert E, Khandji, Alexander G, Post, Kalmon D

“…Dopamine agonists have been used as adjunctive therapy for acromegaly for many years, but relatively few studies have assessed the efficacy of a newer agonist,…”
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Significance of “Abnormal” Nadir Growth Hormone Levels after Oral Glucose in Postoperative Patients with Acromegaly in Remission with Normal Insulin-Like Growth Factor-I Levels by Freda, Pamela U., Nuruzzaman, Abu T., Reyes, Carlos M., Sundeen, Robert E., Post, Kalmon D.

“…Our initial study in postoperative patients with acromegaly identified a group of patients in remission, as defined by normal IGF-I levels, but who had a…”
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Long-Acting Somatostatin Analog Therapy of Acromegaly: A Meta-Analysis by Freda, Pamela U., Katznelson, Laurence, van der Lely, Aart Jan, Reyes, Carlos M., Zhao, Shouhao, Rabinowitz, Daniel

“…Context: Although considerable data exist on the use of long-acting somatostatin analogs to treat acromegaly, their reported efficacy differs substantially…”
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Adipose Tissue Redistribution and Ectopic Lipid Deposition in Active Acromegaly and Effects of Surgical Treatment by Reyes-Vidal, Carlos M, Mojahed, Hamed, Shen, Wei, Jin, Zhezhen, Arias-Mendoza, Fernando, Fernandez, Jean Carlos, Gallagher, Dympna, Bruce, Jeffrey N, Post, Kalmon D, Freda, Pamela U

“…Context: GH and IGF-I have important roles in the maintenance of substrate metabolism and body composition. However, when in excess in acromegaly, the…”
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Unitarity in higher-order Lorentz-invariance violating QED by Reyes, Carlos M.

“…The unitarity in Lorentz invariance violating QED consisting of standard fermions and higher-order photons of the Myers-Pospelov theory is studied. We find…”
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Alternate-Day Administration of Pegvisomant Maintains Normal Serum Insulin-Like Growth Factor-I Levels in Patients with Acromegaly by Jehle, Sigrid, Reyes, Carlos M., Sundeen, Robert E., Freda, Pamela U.

“…IGF-I levels normalize in the majority of patients with acromegaly treated with the GH receptor antagonist pegvisomant. To date, the efficacy of pegvisomant…”
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Lower Visceral and Subcutaneous but Higher Intermuscular Adipose Tissue Depots in Patients with Growth Hormone and Insulin-Like Growth Factor I Excess Due to Acromegaly by Freda, Pamela U., Shen, Wei, Heymsfield, Steven B., Reyes-Vidal, Carlos M., Geer, Eliza B., Bruce, Jeffrey N., Gallagher, Dympna

“…Context: GH and IGF-I are important regulators of metabolism and body composition. In acromegaly, a state of GH and IGF-I excess, the lipolytic and insulin…”
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Unitarity in a Lorentz symmetry breaking model with higher-order operators by Maniatis, Markos, Reyes, Carlos M.

“…We analyze the unitarity of a modified QED with higher-order terms that violate Lorentz symmetry. We make an explicit calculation to verify unitarity at the…”
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Neural network approach for the calculation of potential coefficients in quantum mechanics by Ossandón, Sebastián, Reyes, Camilo, Cumsille, Patricio, Reyes, Carlos M.

“…A numerical method based on artificial neural networks is used to solve the inverse Schrödinger equation for a multi-parameter class of potentials. First, the…”
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Radiative corrections to Lorentz-invariance violation with higher-order operators: Fine-tuning problem revisited by Ossandon, Sebastian, Reyes, Camilo, Reyes, Carlos M.

“…We study the possible effects of large Lorentz violations that can appear in the effective models in which the Lorentz symmetry breakdown is performed with…”
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