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  • 1
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Norepinephrine. ; Electronic books.
    Description / Table of Contents: Norepinephrine is a chemical neurotransmitter. Noradrenergic drugs have been proven effective for depression and ADHD, and drugs that directly manipulate central nervous system norepinephrine are being developed for new disease indications. This book synthesizes evidence, practice and research to highlight norepinephrine's contribution to disease and therapy.
    Type of Medium: Online Resource
    Pages: 1 online resource (660 pages)
    Edition: 1st ed.
    ISBN: 9780511272769
    DDC: 612.8042
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Contents -- Contributors -- Acknowledgements and Disclosures -- Introduction: revision of an old transmitter -- Part I The neurobiology of norepinephrine -- 1 Neuroanatomical and chemical organization of the locus coeruleus -- Early history of the locus coeruleus -- Species comparisons -- Ontogeny -- Morphological and ultrastructural characteristics -- Transmitter identity and receptor distribution -- Classical transmitters -- Neuropeptides -- Connections: sources of afferent input to LC -- Retrograde studies -- Anterograde studies -- Ultrastructural examinations -- The LC efferent projection -- Histochemistry and anterograde labeling -- Retrograde labeling -- Chemoarchitecture: neurochemically identified pathways -- Excitatory inputs -- Inhibitory inputs -- Serotonergic inputs -- Dopaminergic, noradrenergic, and adrenergic inputs -- Neuropeptide inputs -- Enkephalin -- Efferent connections -- Overview -- REFERENCES -- 2 Interactions of norepinephrine with other neurotransmitter systems: anatomical basis and pharmacology -- Introduction -- Noradrenergic circuitry: input to the LC -- Serotonin -- Dopamine -- Aminobutyric acid -- Glutamate -- Acetylcholine -- Substance P -- Noradrenergic circuitry: reciprocal output from the LC -- Summary and conclusions -- Acknowledgements -- REFERENCES -- 3 Receptors for norepinephrine and signal transduction pathways -- Introduction -- Adrenergic receptor subtypes -- Historical development -- Characteristics of alpha1-adrenergic receptors -- Pharmacological characteristics of 1-adrenergic receptors -- Molecular characteristics of alpha1-adrenergic receptors -- Regulation of alpha1-adrenergic receptors -- Characteristics of alpha2-adrenergic receptors -- Pharmacological characteristics of alpha2-adrenergic receptors. , Molecular characteristics of alpha2-adrenergic receptors -- Regulation of alpha2-adrenergic receptors -- Characteristics of beta-adrenergic receptors -- Pharmacological characteristics of beta-adrenergic receptors -- Molecular characteristics of beta-adrenergic receptors -- Regulation of beta-adrenergic receptors -- Signal transduction pathways -- Alpha1-adrenergic receptors -- Alpha2-adrenergic receptors -- Beta-adrenergic receptors -- Physiological roles -- Alpha1-adrenergic receptors -- Alpha2-adrenergic receptors -- Subtype specific functions of Alpha2-adrenergic receptors -- Alpha2-adrenergic receptor polymorphisms -- Beta-adrenergic receptors -- Beta1- and Beta2-adrenergic receptors -- Beta1- and Beta2-adrenergic receptor polymorphisms -- Beta3-adrenergic receptors -- Conclusions/summary -- REFERENCES -- 4 Regulation of gene transcription in the central nervous system by norepinephrine -- Introduction -- Fundamental concepts of gene transcription -- Initiation of gene transcription -- Transcription factors -- Noradrenergic receptors couple to multiple signal transduction cascades and transcription factors -- Noradrenergic receptor regulation of the cAMP-CREB cascade -- Activation of alpha1-adrenergic receptors also leads to up-regulation of CREB-mediated gene transcription -- Noradrenergic receptor regulation of AP-1 family transcription factors -- Role of noradrenergic receptor regulation of transcription factors and gene expression in the actions of antidepressant treatment -- Antidepressant treatment up-regulates the cAMP-CREB cascade -- CREB produces antidepressant effects in behavioral models of depression -- CREB increases neurogenesis in adult hippocampus -- Antidepressants and norepinephrine regulation of c-fos gene expression and AP-1 DNA binding -- Regulation of c-Fos and IEG expression by desipramine. , Regulation of c-Fos by stress/NE -- Role of NE-CREB signaling in learning and memory -- Conclusions -- Acknowledgements -- REFERENCES -- 5 The norepinephrine transporter and regulation of synaptic transmission -- Introduction -- The norepinephrine transporter and the importance of norepinephrine uptake -- Molecular structure of norepinephrine transporters -- Localization of the norepinephrine transporter -- Function of the norepinephrine transporter -- Norepinephrine transporter as a drug target -- Mechanism of norepinephrine uptake -- Regulation of norepinephrine uptake -- Acute regulation of neuronal norepinephrine reuptake -- Chronic regulation of neuronal norepinephrine reuptake -- Norepinephrine transporter-associated proteins -- Norepinephrine transporter gene, polymorphisms and splice variants -- Clearance of norepinephrine and aging -- Norepinephrine transport and disease -- Conclusions -- Acknowledgements -- References -- Part II Norepinephrine and behavior -- 6 Role of the locus coeruleus-norepinephrine system in arousal and circadian regulation of the sleep-wake cycle -- Introduction -- Brain systems involved in sleep-wake regulation -- Waking, slow-wave sleep and paradoxical sleep -- Networks involved in regulation of the sleep-wake cycle -- Neuronal groups -- Mechanisms involved in sleep-waking cycle stage changes -- LC involvement in sleep-wake regulation -- Activity ofLC neurons during sleep and waking -- Tonic LC activity varies with behavioral state -- Primate LC activity during sleep and waking -- LC activity and cortical arousal -- Effects of locus coeruleus lesions on sleep and waking -- Spontaneous Sleep -- Sleep Rebound -- Role of corticotropin-releasing factor in noradrenergic regulation of sleep and waking -- Role of LC in circadian regulation of sleep and waking -- Indirect projection from the SCN to the LC. , Circadian rhythm in LC impulse activity -- LC lesions decrease circadian amplitude of sleep--UnicodeCharacterx2013 waking cycle -- Light deprivation-induced loss of cortical NE -- Clinical perspectives: LC participation in sleep alterations due to clinical pathologies -- Depression -- NE and depression -- Stress, depression, CRF, NE-LC system and sleep -- Sleep deprivation and depression -- Anxiety -- Posttraumatic Stress Disorder ( PTSD ) -- Attention-deficit/hyperactivity disorder (ADHD) -- Aging -- Insomnia -- Conclusions -- REFERENCES -- 7 The locus coeruleus and regulation of behavioral flexibility and attention: clinical implications -- Introduction -- Background -- Global efferent projections -- NE modulates activity of neurons in LC target areas -- Tonic LC activity varies with behavioral state -- LC neurons exhibit polymodal sensory responsiveness -- Recent results recording LC neurons in behaving monkeys -- Target detection task -- Phasic activation of LC neurons by meaningful stimuli -- Fluctuations in tonic LC activity during task performance -- Relationship of tonic to phasic LC activity -- Task difficulty -- Interpretation of results-LC neurophysiology experiments -- Computational modeling: simulation of LC activity and task performance -- Stimulus discrimination network -- LC model -- Electrotonic coupling -- Simulation results -- Interpretation of results: modeling experiments -- Decision-related activation of monkey LC neurons -- Forced-choice task -- Phasic activation of the LC preceded the behavioral response -- Influence of prefrontal cortex on activity of LC neurons -- Discussion -- A new theory of LC function -- Relationship of LC function to attention -- Clinical implications -- Hypertonic LC activity: attention-deficit/hyperactivity disorder and posttraumatic stress disorder -- Attention-deficit hyperactivity disorder (ADHD). , Posttraumatic stress disorder (PTSD) -- Hyperphasic LC activity: autism -- Hypotonic LC activity: depression -- Dysregulated LC phasic activity: schizophrenia -- Loss of LC neurons: dementias of Alzheimer's and Parkinson's diseases -- Sleep disorders -- Regulation of LC mode: implications for new pharmacotherapies -- Acknowledgements -- References -- 8 Norepinephrine and long-term memory function -- Introduction -- Role of adrenergic catecholamines in memory consolidation -- Amphetamine effects on memory consolidation -- Peripheral epinephrine and norepinephrine effects on memory consolidation -- Role of brainstem noradrenergic cell groups in memory consolidation -- Pharmacological and genetic evidence of central norepinephrine in regulating long-term memory consolidation -- Norepinephrine in the amygdala and memory consolidation -- Selective involvement of the basolateral complex of the amygdala -- Stress- and training-induced norepinephrine release in the amygdala and memory consolidation -- Involvement of beta-adrenoceptors and alpha-adrenoceptors in mediating norepinephrine effects on memory consolidation -- Electrophysiological and molecular events in the amygdala induced by noradrenergic activation -- Role of norepinephrine in the amygdala in regulating memory processes in other brain regions -- Interactions of the amygdala noradrenergic system with other neuromodulatory systems on memory consolidation -- Glucocorticoid hormones -- Opioid peptidergic system -- GABA ergic system -- Cholinergic system -- Effects of norepinephrine in other brain regions on memory consolidation -- Hippocampus/entorhinal cortex -- Medial prefrontal cortex -- Insular cortex -- Norepinephrine effects on memory in human subjects -- Summary -- Acknowledgements -- References -- 9 Norepinephrine and stress -- Introduction. , Elevation of tonic noradrenergic neurotransmission with arousal.
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  • 2
    Publication Date: 2018-03-09
    Description: BACKGROUND The current study was performed to describe patient characteristics, treatment patterns, survival, health care resource use (HRU), and costs among older women in the United States with advanced (American Joint Committee on Cancer stage III/IV) triple-negative breast cancer (TNBC) in the Surveillance, Epidemiology, and End Results (SEER)-Medicare database. METHODS Women who were aged ≥66 years at the time of diagnosis and diagnosed with advanced TNBC between January 1, 2007, and January 1, 2011, in the SEER-Medicare database and who were followed for survival through December 31, 2013, were eligible. Patient demographic and clinical characteristics at the time of diagnosis, subsequent treatment patterns, and survival outcomes were analyzed. HRU and costs for the first 3 months after diagnosis, the last 3 months of life, and the time in between are summarized. All analyses were stratified by American Joint Committee on Cancer stage of disease. RESULTS There were 1244 patients newly diagnosed with advanced TNBC; the majority were aged ≥75 years (61% with stage III disease and 57.4% with stage IV disease) and white (〉70% of patients in both disease stage groups). The most common treatment approaches were surgery combined with chemotherapy for patients for stage III disease (50.6%) and chemotherapy alone or with radiotherapy for patients with stage IV disease (31.3%). Diverse chemotherapy regimens were administered for each line of therapy; nevertheless, the medications used were consistent with national guidelines. Patients with stage III and stage IV disease were found to have a similar mean number of hospitalizations and outpatient visits, but mean monthly costs were greater for patients with stage IV disease at all 3 time points. The mean cost per patient-month (in 2013 US dollars) was $4810 for patients with stage III disease and $9159 for patients with stage IV disease. CONCLUSIONS Among older women with advanced TNBC, significant treatment variations and considerable HRU and costs exist. Further research is needed to find effective treatments with which to reduce the clinical and economic burden of this disease. Cancer 2018 . © 2018 American Cancer Society .
    Print ISSN: 0008-543X
    Electronic ISSN: 1097-0142
    Topics: Biology , Medicine
    Published by Wiley-Blackwell on behalf of The American Cancer Society.
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  • 3
    Publication Date: 2014-09-25
    Description: BACKGROUND The purpose of this study was to identify genome-wide single nucleotide variants and mutations in African American patients with colorectal cancer (CRC). There is a need of such studies in African Americans, because they display a higher incidence of aggressive CRC tumors. METHODS We performed whole exome sequencing (WES) on DNA from 12 normal/tumor pairs of African American CRC patient tissues. Data analysis was performed using the software package GATK (Genome Analysis Tool Kit). Normative population databases (eg, 1000 Genomes SNP database, dbSNP, and HapMap) were used for comparison. Variants were annotated using analysis of variance and were validated via Sanger sequencing. RESULTS We identified somatic mutations in genes that are known targets in CRC such as APC , BRAF , KRAS , and PIK3CA . We detected novel alterations in the Wnt pathway gene, APC , within its exon 15, of which mutations are highly associated with CRC. CONCLUSIONS This WES study in African American patients with CRC provides insight into the identification of novel somatic mutations in APC . Our data suggest an association between specific mutations in the Wnt signaling pathway and an increased risk of CRC. The analysis of the pathogenicity of these novel variants may shed light on the aggressive nature of CRC in African Americans. Cancer 2014. © 2014 American Cancer Society .
    Print ISSN: 0008-543X
    Electronic ISSN: 1097-0142
    Topics: Biology , Medicine
    Published by Wiley-Blackwell on behalf of The American Cancer Society.
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  • 4
    Publication Date: 2015-06-26
    Description: BACKGROUND African American (AA) women are known to have poorer breast cancer survival than whites, and the differences may be related to underlying disparities in their clinical presentation or access to care. This study evaluated the relationship between demographic, treatment, and socioeconomic factors and breast cancer survival among women in southeast Michigan. METHODS The population included 2387 women (34% AA) with American Joint Committee on Cancer stage I to III breast cancer who were treated at the Henry Ford Health System (HFHS) from 1996 through 2005. Linked data sets from the HFHS, the Metropolitan Detroit Cancer Surveillance System, and the US Census Bureau were used to obtain demographic and clinical information. Comorbidities were classified with the modified Charlson comorbidity index (CCI). Economic deprivation was categorized with a census tract–based deprivation index (DI), which was stratified into 5 quintiles of increasing socioeconomic disadvantage. RESULTS Compared with whites, AA women were significantly more likely to have larger, hormone receptor–negative tumors and more comorbidities and to reside in an economically deprived area. In an unadjusted analysis, AAs had a significantly higher risk of death (hazard ratio [HR], 1.36; 95% confidence interval [CI], 1.16-1.59); however, after adjustments for clinical (age, stage, hormone receptor, and CCI) and societal factors (DI), the effect of race was not significant (HR, 1.13 [95% CI, 0.96–1.34] , and HR, 0.97 [0.80–1.19] respectively). CONCLUSIONS Racial differences in breast cancer survival can be explained by clinical and socioeconomic factors. Nonetheless, AA women with breast cancer remain disproportionately affected by unfavorable tumor characteristics and economic deprivation, which likely contribute to their increased overall mortality. Cancer 2015 . © 2015 American Cancer Society .
    Print ISSN: 0008-543X
    Electronic ISSN: 1097-0142
    Topics: Biology , Medicine
    Published by Wiley-Blackwell on behalf of The American Cancer Society.
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