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https://www.readbyqxmd.com/read/27906714/central-nervous-system-regulation-of-hepatic-lipid-and-lipoprotein-metabolism
#1
Jennifer Taher, Sarah Farr, Khosrow Adeli
PURPOSE OF REVIEW: Hepatic lipid and lipoprotein metabolism is an important determinant of fasting dyslipidemia and the development of fatty liver disease. Although endocrine factors like insulin have known effects on hepatic lipid homeostasis, emerging evidence also supports a regulatory role for the central nervous system (CNS) and neuronal networks. This review summarizes evidence implicating a bidirectional liver-brain axis in maintaining metabolic lipid homeostasis, and discusses clinical implications in insulin-resistant states...
November 30, 2016: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/27906520/construction-of-the-human-forebrain
#2
REVIEW
Terry L Jernigan, Joan Stiles
The adult human brain is arguably the most complex of biological systems. It contains 86 billion neurons (the information processing cells of the brain) and many more support cells. The neurons, with the assistance of the support cells, form trillions of connections creating complex, interconnected neural networks that support all human thought, feeling, and action. A challenge for modern neuroscience is to provide a model that accounts for this exquisitely complex and dynamic system. One fundamental part of this model is an account of how the human brain develops...
December 1, 2016: Wiley Interdisciplinary Reviews. Cognitive Science
https://www.readbyqxmd.com/read/27906213/multiple-four-wave-mixing-and-kerr-combs-in-a-bichromatically-pumped-nonlinear-fiber-ring-cavity
#3
D Ceoldo, A Bendahmane, J Fatome, G Millot, T Hansson, D Modotto, S Wabnitz, B Kibler
We report numerical and experimental studies of multiple four-wave mixing processes emerging from dual-frequency pumping of a passive nonlinear fiber ring cavity. We observe the formation of a periodic train of nearly background-free soliton pulses associated with Kerr frequency combs. The generation of resonant dispersive waves is also reported.
December 1, 2016: Optics Letters
https://www.readbyqxmd.com/read/27901098/tumor-specific-delivery-of-biologics-by-a-novel-t-cell-line-hozot
#4
Teppei Onishi, Hiroshi Tazawa, Yuuri Hashimoto, Makoto Takeuchi, Takeshi Otani, Shuji Nakamura, Fuminori Sakurai, Hiroyuki Mizuguchi, Hiroyuki Kishimoto, Yuzo Umeda, Yasuhiro Shirakawa, Yasuo Urata, Shunsuke Kagawa, Toshiyoshi Fujiwara
"Cell-in-cell" denotes an invasive phenotype in which one cell actively internalizes in another. The novel human T-cell line HOZOT, established from human umbilical cord blood, was shown to penetrate a variety of human cancer cells but not normal cells. Oncolytic viruses are emerging as biological therapies for human cancers; however, efficient viral delivery is limited by a lack of tumor-specific homing and presence of pre-existing or therapy-induced neutralizing antibodies. Here, we report a new, intriguing approach using HOZOT cells to transmit biologics such as oncolytic viruses into human cancer cells by cell-in-cell invasion...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27900531/accidental-cannabis-poisoning-in-the-elderly
#5
Anja Zupan Mežnar, Miran Brvar, Gregor Kralj, Dragan Kovačič
There are two main varieties of Cannabis sativa plant, namely, hemp which is cultivated for fiber and seeds and contains low amounts of psychoactive cannabinoids and the other which is cultivated for the drug cannabis or marijuana. Increasing popularity of hemp food products and alleged beneficial effects of cannabinoids in the drug variety of cannabis might lead to confusion in the lay population and unintentional ingestion of marijuana, as described in this case report. During a workshop on the use of hemp for medicinal purposes, there was a degustation of various hemp food products including also cookies that were brought by one of the attendees...
November 29, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27897341/adaptive-self-assembly-behaviour-restrained-by-supramolecular-crystallization-and-molecular-recognition
#6
Seiji Shinkai, Bappaditya Roy, Takao Noguchi, Daisuke Yoshihara, Junji Sakamoto, Tatsuhiro Yamamoto
Recently, the supramolecular community is integrating different approaches to find converging ideas towards understanding the 'origin of life'. In this report, we have found an interesting adaptation trait, as like in Darwin's theory, in a bolaamphiphile molecule and established an environment friendly behaviour under non-covalent forces leading to evolve diverse assembly structures and interesting photo-physical properties. The perylene diimide (PDI)-based bolaamphiphile is used as a promising scaffold with great potential for the development of emerging supramolecular system...
November 29, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27893282/plant-food-supplements-with-antioxidant-properties-for-the-treatment-of-chronic-and-neurodegenerative-diseases-benefits-or-risks
#7
Luca Piemontese
Wine by-products, in particular grape pomace, can be an important source of polyphenols and dietary fibers and are increasingly being used as a starting material in the industrial production of plant food supplements, such as other matrices containing biomolecules, with antioxidant properties. The risk associated with the consumption of these products was recently analyzed through a study of potential genotoxic and carcinogenic compounds that can be found in the marketed products. In particular, occurrence data about contamination with the mycotoxin ochratoxin A were also reported...
November 28, 2016: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27891428/fiberoptic-guided-retrograde-intubation-in-an-anticipated-difficult-airway-revival-of-an-antiquated-technique
#8
Samarjit Dey, Marie Ninu, Md Yunus, Newstar Syiemiong
Retrograde intubation is an invaluable technique which can be helpful in anticipated difficult airway situation. In this advanced era where fiberoptic intubation and video laryngoscopes are in abundant use, retrograde intubation is a forgotten technique. However, it may be useful in various difficult airway situations in this advanced era. In our case the patient had a bitter experience with previous fiberoptic intubation. Owing to that we had planned and performed a fiber optic guided retrograde intubation, where we had kept the fiberoptic bronchoscope in the pharynx keeping larynx and vocal cords in the focus to facilitate the emergence of guide wire through one of the nostrils as well as direct visual confirmation of intubation...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27888112/satellite-cell-activation-induced-by-aerobic-muscle-adaptation-in-response-to-endurance-exercise-in-humans-and-rodents
#9
REVIEW
Phablo Abreu, Sávio Victor Diógenes Mendes, Vânia Marilande Ceccatto, Sandro Massao Hirabara
Although the requirement of satellite cells activation and expansion following injury, mechanical load or growth stimulus provoked by resistance exercise has been well established, their function in response to aerobic exercise adaptation remains unclear. A clear relationship between satellite cell expansion in fiber-type specific myosin heavy chain and aerobic performance has been related, independent of myonuclear accretion or muscle growth. However, the trigger for this activation process is not fully understood yet and it seems to be a multi-faceted and well-orchestrated process...
November 22, 2016: Life Sciences
https://www.readbyqxmd.com/read/27884776/inverted-orientation-improves-decellularization-of-whole-porcine-hearts
#10
Po-Feng Lee, Eric Chau, Rafael Cabello, Alvin T Yeh, Luiz C Sampaio, Andrea S Gobin, Doris A Taylor
In structurally heterogeneous organs, such as heart, it is challenging to retain extracellular matrix integrity in the thinnest regions (eg, valves) during perfusion decellularization and completely remove cellular debris from thicker areas. The high inflow rates necessary to maintain physiologic pressure can distend or damage thin tissues, but lower pressures prolong the process and increase the likelihood of contamination. We examined two novel retrograde decellularization methods for porcine hearts: inverting the heart or venting the apex to decrease inflow rate...
November 21, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27882677/utility-of-endobronchial-ultrasound-guided-transbronchial-needle-aspiration-in-diagnosing-non-specific-inflammatory-intrathorcacic-lymphadenitis
#11
Huizhen Yang, Shenglan Wang, Jiajun Teng, Baohui Han, Jiayuan Sun
BACKGROUND AND OBJECTIVE: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has emerged as a minimally invasive technique for diagnosing intrathoracic malignancies and some benignancies; however, there are no data available on the utility of EBUS-TBNA for the diagnosis of non-specific inflammatory intrathoracic lymphadenitis. METHODS: A prospective analysis was performed from 104 patients with enlarged lymphadenopathy suspected of non-specific lymphadenitis referred for EBUS-TBNA between October 2009 and March 2012...
November 7, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27879349/ncam1-polysialylation-the-prion-protein-s-elusive-reason-for-being
#12
REVIEW
Mohadeseh Mehrabian, Herbert Hildebrandt, Gerold Schmitt-Ulms
Much confusion surrounds the physiological function of the cellular prion protein (PrP(C)). It is, however, anticipated that knowledge of its function will shed light on its contribution to neurodegenerative diseases and suggest ways to interfere with the cellular toxicity central to them. Consequently, efforts to elucidate its function have been all but exhaustive. Building on earlier work that uncovered the evolutionary descent of the prion founder gene from an ancestral ZIP zinc transporter, we recently investigated a possible role of PrP(C) in a morphogenetic program referred to as epithelial-to-mesenchymal transition (EMT)...
December 2016: ASN Neuro
https://www.readbyqxmd.com/read/27877870/luminescence-of-delafossite-type-cualo2-fibers-with-eu-substitution-for-al-cations
#13
Yin Liu, Yuxuan Gong, Nathan P Mellott, Bu Wang, Haitao Ye, Yiquan Wu
CuAlO2 has been examined as a potential luminescent material by substituting Eu for Al cations in the delafossite structure. CuAlO2:Eu(3+) nanofibers have been prepared via electrospinning for the ease of mitigating synthesis requirements and for future optoelectronics and emerging applications. Single-phase CuAlO2 fibers could be obtained at a temperature of 1100 °C in air. The Eu was successfully doped in the delafossite structure and two strong emission bands at ~405 and 610 nm were observed in the photoluminescence spectra...
2016: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27876783/genetic-characterization-of-novel-fowl-aviadenovirus-4-isolates-from-outbreaks-of-hepatitis-hydropericardium-syndrome-in-broiler-chickens-in-china
#14
Yanke Liu, Wenyan Wan, Dongsheng Gao, Yongtao Li, Xia Yang, Hongying Liu, Huixia Yao, Lu Chen, Chuanqing Wang, Jun Zhao
Since May 2015, severe outbreaks of hepatitis-hydropericardium syndrome (HHS) associated with infections of fowl aviadenovirus (FAdV) have emerged in broiler chickens in several Chinese provinces. To identify the genotype and gain a better understanding of the genetic properties of the FAdV strains responsible for the recent HHS outbreaks in China, the complete genome sequences of five isolates from outbreaks of HHS in broiler chickens in five provinces were determined. The results demonstrated that a novel fowl aviadenovirus 4 (FAdV-4) genotype was epidemic in China...
November 23, 2016: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/27866940/anterior-pre-tensioned-external-fixator-for-pelvic-fractures-and-dislocations-initial-clinical-series
#15
A Queipo-de-Llano, M Lombardo-Torre, A Leiva-Gea, F B Delgado-Rufino, F Luna-González
In the treatment of unstable pelvic ring fractures, external fixators have the limitation of not adequately stabilizing the injured posterior elements. This article presents a novel and simple technique of temporary external fixation of the pelvic ring, able to produce compression of both the anterior and posterior pelvic elements. A curved flexible carbon-fiber rod is used, pre-tensioned before attachment to supra-acetabular Schanz screws. Although more extensive clinical experience is required, favorable preliminary results in a series of 13 patients with unstable pelvic fracture were encouraging: the aim of closing the posterior and anterior elements of the pelvic ring was achieved in all cases treated with this technique, and 12 patients survived...
November 17, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27862751/label-free-molecular-imaging-of-biological-cells-and-tissues-by-linear-and-non-linear-raman-spectroscopic-approaches
#16
Jürgen Popp, Christoph Krafft, Michael Schmitt, Iwan Schie, Dana Cialla-May, Christian Matthaeus, Thomas Bocklitz
Raman spectroscopy is an emerging technique in bioanalysis and imaging of biomaterials due to its unique spectroscopic fingerprint capabilities. Imaging of cells and tissues by Raman microspectroscopy represents a non-destructive and label-free approach. All components of cells or tissues contribute to the Raman signals giving complex spectral signatures. Long acquisitions times are often required due to the relatively small Raman scattering cross sections. To overcome these limitations, Raman signal enhancing methods like resonance Raman scattering and surface enhanced Raman scattering can be applied that also reduce the spectral complexity because the enhancement is often restricted to selected bands...
November 15, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27862066/fractional-co2-laser-treatment-of-caesarean-section-scars-a-randomized-controlled-split-scar-trial-with-long-term-follow-up-assessment
#17
Katrine E Karmisholt, Elisabeth H Taudorf, Camilla B Wulff, Emily Wenande, Peter A Philipsen, Merete Haedersdal
BACKGROUND AND OBJECTIVES: Caesarean section (c-section) scars can be pose functional and cosmetic challenges and ablative fractional laser (AFXL) treatment may offer benefit to patients. We evaluated textural and color changes over time in AFXL-treated versus untreated control scars. MATERIALS AND METHODS: A randomized, controlled, intra-individual split-scar trial with three sessions of AFXL-treatments for mature c-section scars. Settings of AFXL were adjusted to each individual scar...
November 8, 2016: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/27861587/cellular-basis-of-pineal-gland-development-emerging-role-of-microglia-as-phenotype-regulator
#18
María P Ibañez Rodriguez, Stephen C Noctor, Estela M Muñoz
The adult pineal gland is composed of pinealocytes, astrocytes, microglia, and other interstitial cells that have been described in detail. However, factors that contribute to pineal development have not been fully elucidated, nor have pineal cell lineages been well characterized. We applied systematic double, triple and quadruple labeling of cell-specific markers on prenatal, postnatal and mature rat pineal gland tissue combined with confocal microscopy to provide a comprehensive view of the cellular dynamics and cell lineages that contribute to pineal gland development...
2016: PloS One
https://www.readbyqxmd.com/read/27859787/microsurgical-anatomy-of-the-oculomotor-nerve
#19
REVIEW
HaeKwan Park, HyungKeun Rha, KyungJin Lee, ChungKee Chough, Wonil Joo
The oculomotor nerve supplies the extraocular muscles. It also supplies the ciliary and sphincter pupillae muscles through the ciliary ganglion. The nerve fibers leave the midbrain through the most medial part of the cerebral peduncle and enter the interpeduncular cistern. After the oculomotor nerve emerges from the interpeduncular fossa, it enters the cavernous sinus slightly lateral and anterior to the dorsum sellae. It enters the orbit through the superior orbital fissure, after exiting the cavernous sinus, to innervate the extraocular muscles...
November 18, 2016: Clinical Anatomy
https://www.readbyqxmd.com/read/27858587/the-feasibility-study-of-extradural-nerve-anastomosis-technique-for-canine-bladder-reinnervation-after-spinal-cord-injury
#20
Jian Tang, Jun Ma, Lei Yang, Xinpeng Huang, Yingbin Ge, Tao Sui, Zhongqing Wei, Xiaojian Cao
OBJECTIVE: Intradural nerve anastomosis for bladder innervation has been demonstrated to be useful. However, its clinical application remains limited because of the complex surgery, its complications and extensive bony destruction. The purpose of the current study was to demonstrate the feasibility of extradural spinal root anastomosis for bladder innervation in canines. METHODS: Ten beagle dogs were used. The length of the extradural segment of the nerve root, upper nerve root outlet (the point at which it emerges from the spinal dura mater) to S2 (dS2), the S3 (dS3) nerve root outlet distance, and the diameters of the extradural spinal roots were measured...
November 2016: Journal of Spinal Cord Medicine
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