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https://www.readbyqxmd.com/read/28222463/changes-in-body-mass-index-in-pheochromocytoma-patients-following-adrenalectomy
#1
Ariadni Spyroglou, Christian Adolf, Stefanie Hahner, Marcus Quinkler, Roland Ladurner, Martin Reincke, Felix Beuschlein
Catecholamine excess from pheochromocytoma results in cardiovascular symptoms such as arterial hypertension and tachycardia and induces metabolic alterations including glucose intolerance and increase in resting metabolic rate. The objective of our study was to investigate the effect of surgical cure of pheochromocytoma on body-mass-index and the correlation of body-mass-index changes to preoperative endocrine parameters. Pheochromocytoma patients from the Munich ENSAT Registry were matched (1:2) for age and gender to patients from the German Conn's Registry, who had undergone surgery for aldosterone-producing-adenomas...
February 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28220062/anatomical-and-molecular-properties-of-long-descending-propriospinal-neurons-in-mice
#2
Jamie R Flynn, Victoria L Conn, Kieran A Boyle, David I Hughes, Masahiko Watanabe, Tomoko Velasquez, Martyn D Goulding, Robert J Callister, Brett A Graham
Long descending propriospinal neurons (LDPNs) are interneurons that form direct connections between cervical and lumbar spinal circuits. LDPNs are involved in interlimb coordination and are important mediators of functional recovery after spinal cord injury (SCI). Much of what we know about LDPNs comes from a range of species, however, the increased use of transgenic mouse lines to better define neuronal populations calls for a more complete characterisation of LDPNs in mice. In this study, we examined the cell body location, inhibitory neurotransmitter phenotype, developmental provenance, morphology and synaptic inputs of mouse LDPNs throughout the cervical and upper thoracic spinal cord...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28217529/study-of-awareness-of-adrenal-disorders-among-interns-and-postgraduate-students-of-hamidia-hospital-bhopal
#3
Sachin Chittawar, T N Dubey, Jitendra Sharma, Sagar Khandare
INTRODUCTION: Adrenal disorders could be a life-threatening emergency, hence requires immediate therapeutic management. For this awareness regarding its diagnosis, management, and treatment is prime important. AIMS AND OBJECTIVE: To study the awareness of adrenal disorders among interns and postgraduates students of Hamidia Hospital, Bhopal. MATERIALS AND METHODS: A cross-sectional questionnaire-based study was performed. Fifty-six participants, i...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28197318/discovery-of-vu0467485-az13713945-an-m4-pam-evaluated-as-a-preclinical-candidate-for-the-treatment-of-schizophrenia
#4
Michael R Wood, Meredith J Noetzel, Bruce J Melancon, Michael S Poslusney, Kellie D Nance, Miguel A Hurtado, Vincent B Luscombe, Rebecca L Weiner, Alice L Rodriguez, Atin Lamsal, Sichen Chang, Michael Bubser, Anna L Blobaum, Darren W Engers, Colleen M Niswender, Carrie K Jones, Nicholas J Brandon, Michael W Wood, Mark E Duggan, P Jeffrey Conn, Thomas M Bridges, Craig W Lindsley
Herein, we report the structure-activity relationships within a series of potent, selective, and orally bioavailable muscarinic acetylcholine receptor 4 (M4) positive allosteric modulators (PAMs). Compound 6c (VU0467485) possesses robust in vitro M4 PAM potency across species and in vivo efficacy in preclinical models of schizophrenia. Coupled with an attractive DMPK profile and suitable predicted human PK, 6c (VU0467485) was evaluated as a preclinical development candidate.
February 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28196708/design-synthesis-and-biological-evaluation-of-2-4-disubstituted-oxazole-derivatives-as-potential-pde4-inhibitors
#5
Ya-Sheng Li, De-Kun Hu, Dong-Sheng Zhao, Xing-Yu Liu, Hong-Wei Jin, Gao-Peng Song, Zi-Ning Cui, Lian-Hui Zhang
In this study, a series of pyrazole derivatives containing 4-phenyl-2-oxazole moiety were designed and synthesized in a concise way, some of which exhibited considerable inhibitory activity against PDE4B and blockade of LPS-induced TNF-α release. Compound 4c displayed the strongest inhibition activity (IC50=1.6±0.4μM) and good selectivity against PDE4B. Meanwhile, compound 4c showed good in vivo activity in animal models of asthma/COPD and sepsis induced by LPS. The primary structure-activity relationship study showed the 3,5-dimethylpyrazole residue was essential for the bioactivity, and the substituted group R1 at the benzene ring also affected the activity...
February 3, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28193289/microgeographical-structure-in-the-major-neotropical-malaria-vector-anopheles-darlingi-using-microsatellites-and-snp-markers
#6
Melina Campos, Jan E Conn, Diego Peres Alonso, Joseph M Vinetz, Kevin J Emerson, Paulo Eduardo Martins Ribolla
BACKGROUND: In recent decades, throughout the Amazon Basin, landscape modification contributing to profound ecological change has proceeded at an unprecedented rate. Deforestation that accompanies human activities can significantly change aspects of anopheline biology, though this may be site-specific. Such local changes in anopheline biology could have a great impact on malaria transmission. The aim of this study was to investigate population genetics of the main malaria vector in Brazil, Anopheles darlingi, from a microgeographical perspective...
February 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28170340/adrenocortical-neoplasms-in-adulthood-and-childhood-distinct-presentation-review-of-the-clinical-pathological-and-imaging-characteristics
#7
Andréa Farias de Melo-Leite, Paula Condé Lamparelli Elias, Sara Reis Teixeira, Silvio Tucci, Gyl Eanes Barros, Sonir R Antonini, Valdair Francisco Muglia, Jorge Elias
Adrenocortical tumors (ACT) in adulthood and childhood vary in clinical, histopathological, molecular, prognostic, and imaging aspects. ACT are relatively common in adults, as adenomas are often found incidentally on imaging. ACT are rare in children, though they have a significantly higher prevalence in the south and southeast regions of Brazil. In clinical manifestation, adults with ACT present more frequently with glucocorticoid overproduction (Cushing syndrome), mineralocorticoid syndromes (Conn syndrome), or the excess of androgens in women...
February 7, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28168828/relative-bioavailability-of-a-dolutegravir-dispersible-tablet-and-the-effects-of-low-and-high-mineral-content-water-on-the-tablet-in-healthy-adults
#8
Ann M Buchanan, Michael Holton, Ian Conn, Mark Davies, Mike Choukour, Brian R Wynne
Dolutegravir (DTG) is approved in the United States to treat HIV-1-infected patients weighing ≥30 kg. A dispersible DTG tablet formulation was recently developed for pediatric patients. This study compares the pharmacokinetics (PK) of the dispersible tablet with that of a previously evaluated granule formulation. In this randomized, open-label, crossover study, 15 healthy adults received single oral doses of DTG 20 mg every 7 days across 5 treatment arms: granules consumed immediately after mixture with purified water, dispersible DTG consumed immediately after reconstitution in low-mineral-content (LMC) or high-mineral-content (HMC) water, and dispersible DTG consumed 30 minutes after dispersal in LMC or HMC water...
February 7, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28138537/confirmation-of-a-de-novo-structure-prediction-for-an-atomically-precise-monolayer-coated-silver-nanoparticle
#9
Brian E Conn, Aydar Atnagulov, Bokwon Yoon, Robert N Barnett, Uzi Landman, Terry P Bigioni
Fathoming the principles underpinning the structures of monolayer-coated molecular metal nanoparticles remains an enduring challenge. Notwithstanding recent x-ray determinations, coveted veritable de novo structural predictions are scarce. Building on recent syntheses and de novo structure predictions of M3Au x Ag17-x (TBBT)12, where M is a countercation, x = 0 or 1, and TBBT is 4-tert-butylbenzenethiol, we report an x-ray-determined structure that authenticates an a priori prediction and, in conjunction with first-principles theoretical analysis, lends force to the underlying forecasting methodology...
November 2016: Science Advances
https://www.readbyqxmd.com/read/28125111/direct-demonstration-of-lipid-phosphorylation-in-the-lipid-bilayer-of-the-biomimetic-bicontinuous-cubic-phase-using-the-confined-enzyme-lipid-a-phosphoethanolamine-transferase
#10
Leonie van 't Hag, Anandhi Anandan, Shane A Seabrook, Sally L Gras, Calum J Drummond, Alice Vrielink, Charlotte E Conn
Retention of amphiphilic protein activity within the lipid bilayer membrane of the nanostructured biomimetic bicontinuous cubic phase is crucial for applications utilizing these hybrid protein-lipid self-assembly materials, such as in meso membrane protein crystallization and drug delivery. Previous work, mainly on soluble and membrane-associated enzymes, has shown that enzyme activity may be modified when immobilized, including membrane bound enzymes. The effect on activity may be even greater for amphiphilic enzymes with a large hydrophilic domain, such as the Neisserial enzyme lipid A phosphoethanolamine transferase (EptA)...
January 26, 2017: Soft Matter
https://www.readbyqxmd.com/read/28123218/the-promise-of-electronic-case-reporting
#11
REVIEW
William R Mac Kenzie, Arthur J Davidson, Andrew Wiesenthal, Jeffrey P Engel, Kathryn Turner, Laura Conn, Scott J Becker, Sharon Moffatt, Samuel L Groseclose, Jim Jellison, John Stinn, Nedra Y Garrett, Lesliann Helmus, Bob Harmon, Chesley L Richards, John R Lumpkin, Michael F Iademarco
No abstract text is available yet for this article.
November 2016: Public Health Reports
https://www.readbyqxmd.com/read/28108498/mglur2-versus-mglur3-metabotropic-glutamate-receptors-in-primate-dorsolateral-prefrontal-cortex-postsynaptic-mglur3-strengthen-working-memory-networks
#12
Lu E Jin, Min Wang, Veronica C Galvin, Taber C Lightbourne, Peter Jeffrey Conn, Amy F T Arnsten, Constantinos D Paspalas
The newly evolved circuits in layer III of primate dorsolateral prefrontal cortex (dlPFC) generate the neural representations that subserve working memory. These circuits are weakened by increased cAMP-K(+) channel signaling, and are a focus of pathology in schizophrenia, aging, and Alzheimer's disease. Cognitive deficits in these disorders are increasingly associated with insults to mGluR3 metabotropic glutamate receptors, while reductions in mGluR2 appear protective. This has been perplexing, as mGluR3 has been considered glial receptors, and mGluR2 and mGluR3 have been thought to have similar functions, reducing glutamate transmission...
January 19, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28107705/incorporation-of-antimicrobial-peptides-in-nanostructured-lipid-membrane-mimetic-bilayer-cubosomes
#13
Thomas G Meikle, Alexandru Zabara, Lynne J Waddington, Frances Separovic, Calum J Drummond, Charlotte E Conn
The inverse bicontinuous lipidic cubic phase offers a simple and robust membrane mimetic with the ability to encapsulate peptides, potentially increasing bioavailability, while also offering a platform from which functionalized, targeted nanoparticles can be developed. Herein we have investigated the use of a number of cubic phase nanoparticle systems with encapsulated antimicrobial peptides gramicidin A', melittin, and alamethicin. The optimal peptide loading ranges, over which cubic symmetry was retained, were determined using small angle X-ray scattering...
January 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28106662/medication-adherence-interventions-among-hypertensive-black-adults-a-systematic-review-and-meta-analysis
#14
Todd M Ruppar, Jacqueline M Dunbar-Jacob, David R Mehr, Lisa Lewis, Vicki S Conn
BACKGROUND: Black adults have higher rates of hypertension and lower rates of blood pressure (BP) control than white adults. Improving BP control requires attention to use of antihypertensive medications, but antihypertensive regimen adherence remains low, preventing improved BP control. METHODS AND RESULTS: We conducted a comprehensive search and systematic review of intervention studies testing interventions to improve adherence to BP medications among black adults with hypertension...
January 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28097791/alpha-thalassaemia-promotes-frequent-vaso-occlusive-crises-in-children-with-sickle-cell-anaemia-through-haemorheological-changes
#15
Céline Renoux, Philippe Connes, Elie Nader, Sarah Skinner, Camille Faes, Marie Petras, Yves Bertrand, Nathalie Garnier, Daniela Cuzzubbo, Lydia Divialle-Doumdo, Kamila Kebaïli, Cécile Renard, Alexandra Gauthier, Maryse Etienne-Julan, Giovanna Cannas, Cyril Martin, Marie-Dominique Hardy-Dessources, Vincent Pialoux, Marc Romana, Philippe Joly
BACKGROUND: Sickle cell anaemia (SCA) is a severe hereditary haemoglobinopathy characterised by haemorheological abnormalities, which play a role in the occurrence of several acute and chronic clinical complications. While β(S) -haplotypes and alpha-thalassaemia modulate SCA clinical severity, their effects on blood rheology have been incompletely described. The aim of this study was to test the effects of these genetic modifiers on the haemorheological properties and clinical complication of children with SCA...
January 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28069888/human-non-coding-rna-886-nc886-adopts-two-structurally-distinct-conformers-that-are-functionally-opposing-regulators-of-pkr
#16
Brenda M Calderon, Graeme L Conn
The double-stranded RNA (dsRNA)-activated protein kinase (PKR) senses dsRNA produced during viral infection and halts cellular protein synthesis to block viral replication. How basal PKR activity is controlled in the absence of infection was unclear until the recent identification of a potential endogenous regulator, the cellular non-coding RNA 886 (nc886). However, nc886 adopts two distinct conformations for which the structural details and potential functional differences remain unclear. Here, we isolated and separately dissected the function of form of nc886 to more clearly define the molecular mechanism of nc886-mediated PKR inhibition...
January 9, 2017: RNA
https://www.readbyqxmd.com/read/28058099/adenomatoid-tumor-of-the-adrenal-gland-in-young-woman-from-clinical-and-radiological-to-pathological-study
#17
Brankica Krstevska, Sasha Jovanovska Mishevska, Rubens Jovanovic
Adenomatoid tumors are neoplasms of mesothelial origin, usually occurring in the male and female genital tracts. Extragenital localization sites such as adrenal glands are rare but have been reported. When found in the adrenals, they represent great clinical, radiological and pathological diagnostic challenge, with wide range of differential diagnoses to be considered. We present a case of a 30 years old female, with incidental ultrasound finding of unilateral tumor in the right adrenal gland. Multi slices CT scan was of value in localizing this tumor, but not in the precise diagnosis...
November 17, 2016: Rare Tumors
https://www.readbyqxmd.com/read/28054479/persistent-risk-for-hepatocellular-carcinoma-after-more-than-a-decade-of-successful-hepatitis-b-virus-suppression
#18
Andrew Dargan, She Y Wong, Robert Coben, Mitchell Conn, Anthony J Dimarino, Hie W Hann
No abstract text is available yet for this article.
March 2017: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/28053881/effect-of-novel-dietary-supplement-on-metabolism-in%C3%A2-vitro-and-in%C3%A2-vivo
#19
Roger A Vaughan, Ailish C White, Jason R Beam, Nicholas P Gannon, Randi Garcia-Smith, Roy M Salgado, Marco Bisoffi, Kristina A Trujillo, Carole A Conn, Christine M Mermier
Obesity is an increasingly prevalent and preventable morbidity with multiple behavioral, surgical and pharmacological interventions currently available. Commercial dietary supplements are often advertised to stimulate metabolism and cause rapid weight and/or fat loss, although few well-controlled studies have demonstrated such effects. We describe a commercially available dietary supplement (purportedly containing caffeine, catechins, and other metabolic stimulators) on resting metabolic rate in humans, and on metabolism, mitochondrial content, and related gene expression in vitro...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28045170/predicting-the-release-profile-of-small-molecules-from-within-the-ordered-nanostructured-lipidic-bicontinuous-cubic-phase-using-translational-diffusion-coefficients-determined-by-pfg-nmr
#20
Thomas G Meikle, Shenggen Yao, Alexandru Zabara, Charlotte E Conn, Calum J Drummond, Frances Separovic
The ordered nanostructured lipidic bicontinuous cubic phase has demonstrated potential as a drug release material, due to its ability to encapsulate a wide variety of compounds, which may undergo sustained, diffusion controlled release over time. Control of drug release has been shown to depend on the nanostructural parameters of the lipid mesophase. Herein, the diffusion and release of two amino acids, encapsulated within a range of different lipidic cubic mesophases are investigated. Pulsed-field gradient NMR was used to determine the diffusion coefficient of the encapsulated amino acid, which was found to be correlated with the nanoscale diameter of the water channels within the cubic mesophase...
January 3, 2017: Nanoscale
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