نتایج جستجو برای: nbm

تعداد نتایج: 352  

2015
Sarah J. L. McKenzie Rakesh Premkumar Kathryn J. Askelund Sayali A. Pendharkar Anthony R. J. Phillips John A. Windsor Maxim S. Petrov

The mechanism behind the beneficial effects of enteral nutrition (EN) for patients with acute pancreatitis (AP) is largely unknown. Adipokines, as mediators of metabolism and inflammation, may be a possible mechanism. The study aimed to investigate the effect of EN on adipokines early in the course of AP. Patients with AP were randomised to EN or nil-by-mouth (NBM). Blood samples were taken on ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1987
W H Meck R M Church G L Wenk D S Olton

Functional dissociations between the medial septal area (MSA) and the nucleus basalis magnocellularis (NBM) were examined using the concepts and experimental procedures developed by scalar timing theory. Rats were tested in variations of a signalled discrete-trial peak-interval schedule of reinforcement in which the response rate functions identified the time when the rats expected reinforcemen...

Journal: :Learning & memory 2004
Yogita Chudasama Jeffrey W Dalley Falguni Nathwani Pascale Bouger Trevor W Robbins

Two experiments examined the effects of reductions in cortical cholinergic function on performance of a novel task that allowed for the simultaneous assessment of attention to a visual stimulus and memory for that stimulus over a variable delay within the same test session. In the first experiment, infusions of the muscarinic receptor antagonist scopolamine into the medial prefrontal cortex (mP...

Journal: :Brain research 1994
N J DeSousa R J Beninger K Jhamandas R J Boegman

The present experiments were conducted to evaluate the possible contribution of GABAergic inputs to the basal forebrain in the region of the nucleus basalis magnocellularis (nbm) to memory. In two experiments, rats implanted with bilateral intra-nbm guide cannulae were trained in the double Y-maze task to perform working- and reference-memory components. Animals were placed in one of two start ...

Journal: :The Permanente journal 2009
Vera Kalitzkus Peter F Matthiessen

Introduction Narratives have always been a vital part of medicine. Stories about patients, the experience of caring for them, and their recovery from illness have always been shared—among physicians as well as among patients and their relatives. With the evolution of “modern” medicine, narratives were increasingly neglected in favor of “facts and findings,” which were regarded as more scientifi...

Journal: :Blood 2000
N S Weich M Fitzgerald A Wang J Calvetti J Yetz-Aldape S Neben K J Turner

The authors studied the role that interleukin (IL)-11 plays during the early stages of megakaryocyte (MK) development by investigating its in vitro effects on cell subpopulations enriched for bone marrow primitive progenitor cells and early and late committed progenitor cells. Progenitor subpopulations were isolated from bone marrow of normal or 5-fluorouracil (5FU)-treated mice and separated b...

2017
Annamaria Morelli Erica Sarchielli Giulia Guarnieri Elisabetta Coppi Daniela Pantano Paolo Comeglio Pamela Nardiello Anna M. Pugliese Lara Ballerini Rosanna Matucci Stefano Ambrosini Giuseppe Castronovo Rosa Valente Benedetta Mazzanti Sandra Bucciantini Mario Maggi Fiorella Casamenti Pasquale Gallina Gabriella B. Vannelli

The degeneration of cholinergic neurons of the nucleus basalis of Meynert (NBM) in the basal forebrain (BF) is associated to the cognitive decline of Alzheimer's disease (AD) patients. To date no resolutive therapies exist. Cell-based replacement therapy is a strategy currently under consideration, although the mechanisms underlying the generation of stem cell-derived NBM cholinergic neurons ab...

2015
Austin B. Mogen Fu Chen Sang-Joon Ahn Robert A. Burne Dong Wang Kelly C. Rice Zezhang Wen

Streptococcus mutans is the primary causative agent of dental caries, one of the most prevalent diseases in the United States. Previously published studies have shown that Pluronic-based tooth-binding micelles carrying hydrophobic antimicrobials are extremely effective at inhibiting S. mutans biofilm growth on hydroxyapatite (HA). Interestingly, these studies also demonstrated that non-binding ...

Journal: :Brain research 1992
R J Beninger J L Ingles P J Mackenzie K Jhamandas R J Boegman

Anatomical and neurochemical results suggest that the cortico- and amygdalopetal cholinergic neurons of the nucleus basalis magnocellularis (NBM) may receive GABAergic inputs. The present experiments were undertaken to evaluate the possible influence of intra-NBM injections of the GABAA agonist, muscimol, on memory. In two experiments, rats were chronically implanted with guide cannulae placed ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1996
R B Gibbs

Quantitative in situ hybridization techniques were used to compare relative cellular levels of choline acetyltransferase (ChAT) mRNA in different regions of the female rat basal forebrain at different stages of the estrous cycle and at different time points after the administration of physiological levels of estrogen and progesterone. Significant fluctuations in relative levels of ChAT mRNA wer...

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