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https://www.readbyqxmd.com/read/28067383/the-functional-consequences-and-prognostic-value-of-dosage-sensitivity-in-ovarian-cancer
#1
Zichuang Yan, Yongjing Liu, Yunzhen Wei, Ning Zhao, Qiang Zhang, Cheng Wu, Zhiqiang Chang, Yan Xu
Copy number alteration (CNA) represents an important class of genetic variations that may contribute to tumorigenesis, tumor growth and metastatic spread. CNA can directly affect the expression of genes within the CNA regions; however, genes within the CNA regions exhibit heterogeneity in gene dosage sensitivity. In this study, a computational framework was built to identify 1170 dosage-sensitive genes (DSGs) and 1215 dosage-resistant genes (DRGs) that were related to ovarian serous cystadenocarcinoma (OV) through the association between CNA and gene expression...
January 9, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28062099/the-trauma-registry-compared-to-all-patient-refined-diagnosis-groups-apr-drg
#2
Jodi Hackworth, Johanna Askegard-Giesmann, Thomas Rouse, Brian Benneyworth
BACKGROUND: Literature has shown there are significant differences between administrative databases and clinical registry data. Our objective was to compare the identification of trauma patients using All Patient Refined Diagnosis Related Groups (APR-DRG) as compared to the Trauma Registry and estimate the effects of those discrepancies on utilization. METHODS: Admitted pediatric patients from 1/2012-12/2013 were abstracted from the trauma registry. The patients were linked to corresponding administrative data using the Pediatric Health Information System database at a single children's hospital...
December 28, 2016: Injury
https://www.readbyqxmd.com/read/28025021/inflammatory-pain-related-traits-of-sensory-drg-neurons-innervating-the-hip-joints
#3
Takayuki Nakajima, Seiji Ohtori, Junichi Nakamura, Takane Suzuki, Yasuchika Aoki, Atsuya Watanabe, Makoto Takazawa, Kazuhisa Takahashi
BACKGROUND: Hip pain is transmitted to the dorsal horn of the spinal cord via the dorsal root ganglion (DRG), which contains two types of neurons with differential sensitivity to neurotrophic factors. If either type predominantly innervates the hip joint, it may represent a good target for hip joint pain treatment. METHODS: Inflammation was induced in the left hip joint of rats (n = 10) by using complete Freund's adjuvant. Fluoro-Gold (FG) was applied to the hip joint after 7 days, and T12-L6 DRGs were double-stained for calcitonin gene-related peptide (CGRP) and isolection-IB4 1 week later...
December 23, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28007784/an-ensemble-of-regulatory-elements-controls-runx3-spatiotemporal-expression-in-subsets-of-dorsal-root-ganglia-proprioceptive-neurons
#4
Elena Appel, Sarit Weissmann, Yehuda Salzberg, Kira Orlovsky, Varda Negreanu, Michael Tsoory, Calanit Raanan, Ester Feldmesser, Yael Bernstein, Orit Wolstein, Ditsa Levanon, Yoram Groner
The Runx3 transcription factor is essential for development and diversification of the dorsal root ganglia (DRGs) TrkC sensory neurons. In Runx3-deficient mice, developing TrkC neurons fail to extend central and peripheral afferents, leading to cell death and disruption of the stretch reflex circuit, resulting in severe limb ataxia. Despite its central role, the mechanisms underlying the spatiotemporal expression specificities of Runx3 in TrkC neurons were largely unknown. Here we first defined the genomic transcription unit encompassing regulatory elements (REs) that mediate the tissue-specific expression of Runx3...
December 1, 2016: Genes & Development
https://www.readbyqxmd.com/read/27997532/phosphatidylserine-ameliorates-neurodegenerative-symptoms-and-enhances-axonal-transport-in-a-mouse-model-of-familial-dysautonomia
#5
Shiran Naftelberg, Ziv Abramovitch, Shani Gluska, Sivan Yannai, Yuvraj Joshi, Maya Donyo, Keren Ben-Yaakov, Tal Gradus, Jonathan Zonszain, Chen Farhy, Ruth Ashery-Padan, Eran Perlson, Gil Ast
Familial Dysautonomia (FD) is a neurodegenerative disease in which aberrant tissue-specific splicing of IKBKAP exon 20 leads to reduction of IKAP protein levels in neuronal tissues. Here we generated a conditional knockout (CKO) mouse in which exon 20 of IKBKAP is deleted in the nervous system. The CKO FD mice exhibit developmental delays, sensory abnormalities, and less organized dorsal root ganglia (DRGs) with attenuated axons compared to wild-type mice. Furthermore, the CKO FD DRGs show elevated HDAC6 levels, reduced acetylated α-tubulin, unstable microtubules, and impairment of axonal retrograde transport of nerve growth factor (NGF)...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27971904/market-share-of-addictology-according-to-the-system-of-diagnosis-related-groups-drgs-in-hungary
#6
N Danku, Ágoston, D Endrei, Z Horváthné Kívés, R Vajda, B Molics, Boncz
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27966239/evaluation-of-clinical-coding-data-to-determine-causes-of-critical-bleeding-in-patients-receiving-massive-transfusion-a-bi-national-multicentre-cross-sectional-study
#7
Z K McQuilten, A J Zatta, N Andrianopoulos, N Aoki, L Stevenson, K G Badami, R Bird, M F Cole-Sinclair, C Hurn, P A Cameron, J P Isbister, L E Phillips, E M Wood
OBJECTIVES: To evaluate the use of routinely collected data to determine the cause(s) of critical bleeding in patients who receive massive transfusion (MT). BACKGROUND: Routinely collected data are increasingly being used to describe and evaluate transfusion practice. MATERIALS/METHODS: Chart reviews were undertaken on 10 randomly selected MT patients at 48 hospitals across Australia and New Zealand to determine the cause(s) of critical bleeding...
December 13, 2016: Transfusion Medicine
https://www.readbyqxmd.com/read/27959574/porcine-dorsal-root-ganglia-ovarian-neurons-are-affected-by-long-lasting-testosterone-treatment
#8
B Jana, K Palus, K Meller, J Całka
We studied the effect of testosterone overdose on the number, distribution and chemical coding of ovarian neurons in the dorsal root ganglia (DRGs) in pigs. On day 3 of the estrous cycle, the ovaries of both the control and experimental gilts were injected with retrograde tracer Fast Blue. From day 4 of the estrous cycle to the expected day 20 of the second studied cycle, the experimental gilts were injected with testosterone, while the control gilts received oil. After the completion of the protocol the Th16-L5 DRGs were collected...
December 13, 2016: Physiological Research
https://www.readbyqxmd.com/read/27926675/improvement-in-total-joint-replacement-quality-metrics-year-one-versus-year-three-of-the-bundled-payments-for-care-improvement-initiative
#9
John M Dundon, Joseph Bosco, James Slover, Stephen Yu, Yousuf Sayeed, Richard Iorio
BACKGROUND: In January 2013, a large, tertiary, urban academic medical center began participation in the Bundled Payments for Care Improvement (BPCI) initiative for total joint arthroplasty, a program implemented by the Centers for Medicare & Medicaid Services (CMS) in 2011. Medicare Severity-Diagnosis Related Groups (MS-DRGs) 469 and 470 were included. We participated in BPCI Model 2, by which an episode of care includes the inpatient and all post-acute care costs through 90 days following discharge...
December 7, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27917903/global-dna-methylation-variations-after-short-term-heat-shock-treatment-in-cultured-microspores-of-brassica-napus-cv-topas
#10
Jun Li, Qian Huang, Mengxiang Sun, Tianyao Zhang, Hao Li, Biyun Chen, Kun Xu, Guizhen Gao, Feng Li, Guixin Yan, Jiangwei Qiao, Yongping Cai, Xiaoming Wu
Heat stress can induce the cultured microspores into embryogenesis. In this study, whole genome bisulphite sequencing was employed to study global DNA methylation variations after short-term heat shock (STHS) treatments in cultured microspores of Brassica napus cv. Topas. Our results indicated that treatment on cultured Topas microspores at 32 °C for 6 h triggered DNA hypomethylation, particularly in the CG and CHG contexts. And the total number of T32 (Topas 32 °C for 6 h) vs. T0 (Topas 0 h) differentially methylated region-related genes (DRGs) was approximately two-fold higher than that of T18 (Topas 18 °C for 6 h) vs...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27906951/changes-in-neuroglial-activity-in-multiple-spinal-segments-after-caudal-epidural-pulsed-radiofrequency-in-a-rat-model-of-lumbar-disc-herniation
#11
Hee Kyung Cho, Jae Hoon Kang, So-Yeon Kim, Mi-Jung Choi, Se Jin Hwang, Yun-Woo Cho, Sang-Ho Ahn
BACKGROUND: Herniated lumbar discs can induce sciatica by mechanical compression and/or chemical irritation. It was recently reported that neuroglial cellular activity after pulsed radiofrequency (PRF) application to a single dorsal root ganglion (DRG) attenuated neuroglial activity at the corresponding spinal dorsal horn. Recently, caudal epidural PRF has been used to manage neuropathic pain, but evidence of molecular changes after the administration of caudal epidural PRF to attenuate neuropathic pain is lacking, and it has not been determined whether caudal epidural PRF affects neuroglial activity at different spinal levels...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27905881/bone-morphogenetic-protein-2-mediated-pain-and-inflammation-in-a-rat-model-of-posterolateral-arthrodesis
#12
Kendall Mitchell, Jill P Shah, Clifton L Dalgard, Lyubov V Tsytsikova, Ashley C Tipton, Anton E Dmitriev, Aviva J Symes
BACKGROUND: Bone morphogenetic protein-2 (BMP-2) is a pleiotropic, secreted molecule with diverse effects. The potent ability of BMP-2 to stimulate bone growth prompted its widespread clinical use for arthrodesis (spine fusion). However, elevated post-operative pain in patients treated with BMP-2 has been increasingly reported. Determining whether BMP-2 induces pain directly or whether it induces neuroinflammation, which could lower the threshold for pain, is important for developing therapeutic interventions...
December 1, 2016: BMC Neuroscience
https://www.readbyqxmd.com/read/27905525/inhibition-of-cystathionine-%C3%AE-synthetase-suppresses-sodium-channel-activities-of-dorsal-root-ganglion-neurons-of-rats-with-lumbar-disc-herniation
#13
Jun Yan, Shufen Hu, Kang Zou, Min Xu, Qianliang Wang, Xiuhua Miao, Shan Ping Yu, Guang-Yin Xu
The pathogenesis of pain in lumbar disc herniation (LDH) remains poorly understood. We have recently demonstrated that voltage-gated sodium channels (VGSCs) in dorsal root ganglion (DRG) neurons were sensitized in a rat model of LDH. However, the detailed molecular mechanism for sensitization of VGSCs remains largely unknown. This study was designed to examine roles of the endogenous hydrogen sulfide synthesizing enzyme cystathionine β-synthetase (CBS) in sensitization of VGSCs in a previously validated rat model of LDH...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27902567/dorsal-root-ganglion-neurons-become-hyperexcitable-and-increase-expression-of-voltage-gated-t-type-calcium-channels-cav3-2-in-paclitaxel-induced-peripheral-neuropathy
#14
Yan Li, Claudio Esteves Tatsui, Laurence D Rhines, Robert Y North, Daniel S Harrison, Ryan M Cassidy, Caj A Johansson, Alyssa K Kosturakis, Denaya D Edwards, Hongmei Zhang, Patrick M Dougherty
Here it is shown that paclitaxel induced neuropathy is associated with the development of spontaneous activity (SA) and hyperexcitability in DRG neurons that is paralleled by increased expression of low-voltage-activated calcium channels (T-type; Cav3.2). The percentage of DRG neurons showing SA and the overall mean rate of SA were significantly higher at day 7 of paclitaxel treatment than in rats receiving vehicle. Cav3.2 expression was increased in L4-6 DRG and spinal cord segments in paclitaxel-treated rats, localized to small calcitonin gene-related peptide expressing and isolectin B4 expressing DRG neurons and to glial fibrillary acidic protein-positive spinal cord cells...
November 24, 2016: Pain
https://www.readbyqxmd.com/read/27898492/growth-hormone-regulates-the-sensitization-of-developing-peripheral-nociceptors-during-cutaneous-inflammation
#15
Xiaohua Liu, Kathryn J Green, Zachary K Ford, Luis F Queme, Peilin Lu, Jessica L Ross, Frank B Lee, Aaron T Shank, Renita C Hudgins, Michael P Jankowski
Cutaneous inflammation alters the function of primary afferents and gene expression in the affected dorsal root ganglia (DRG). However, specific mechanisms of injury-induced peripheral afferent sensitization and behavioral hypersensitivity during development are not fully understood. Recent studies in children suggest a potential role for growth hormone (GH) in pain modulation. Growth hormone modulates homeostasis and tissue repair after injury, but how GH affects nociception in neonates is not known. To determine whether GH played a role in modulating sensory neuron function and hyperresponsiveness during skin inflammation in young mice, we examined behavioral hypersensitivity and the response properties of cutaneous afferents using an ex vivo hairy skin-saphenous nerve-DRG-spinal cord preparation...
February 2017: Pain
https://www.readbyqxmd.com/read/27884328/effects-of-diagnosis-related-group-payment-system-on-appendectomy-outcomes
#16
Tae Hyun Kim, Eun-Cheol Park, Sung-In Jang, Suk-Yong Jang, Sang Ah Lee, Jae Woo Choi
BACKGROUND: The voluntary diagnosis-related group (DRG) payment system was introduced in 2002. Since July 2013, the Korean government has mandated DRG participation for all hospitals. The main purpose of this study was to examine the effects of mandatory DRG participation on various outcome metrics for appendectomy patients. MATERIALS AND METHODS: We collected inpatient DRG data for 280,062 appendectomy patients between 2007 and 2014 using the Health Insurance Review and Assessment database...
December 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27879566/the-effect-of-an-acid-sensing-ion-channels-asics-inhibitor-on-pain-related-behavior-by-nucleus-pulposus-applied-on-the-nerve-root-in-rats
#17
Yoshihiro Kobayashi, Miho Sekiguchi, Shin-Ichi Konno
STUDY DESIGN: Controlled, interventional, animal study. OBJECTIVE: To examine the effect of an inhibitor of acid-sensing ion channel 3 (ASIC3) on pain-related behavior induced by application of the nucleus pulposus (NP) onto the dorsal root ganglion (DRG) in rats. SUMMARY OF BACKGROUND DATA: ASIC3 is associated with acidosis pain in inflamed or ischemic tissues and is expressed in sensory neurons and NP cells. The ASIC3 inhibitor, APETx2, increases the mechanical threshold of pain in models of knee osteoarthritis or postoperative pain...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27866657/distribution-and-chemical-coding-of-sensory-neurons-innervating-the-skin-of-the-porcine-hindlimb
#18
Anna Kozłowska, Anita Mikołajczyk, Zbigniew Adamiak, Mariusz Majewski
The aim of the present study was to establish the origin and chemical phenotyping of neurons involved in skin innervation of the porcine hind leg. The dorsal root ganglia (DRGs) of the lumbar (L4-L6) and sacral (S1-S3) spinal nerves were visualized using the fluorescent tracer Fast Blue (FB). The morphometric analysis of FB-positive (FB+)neurons showed that in the L4, L5, S1 and S2 DRGs, the small-sized perikarya constituted the major population, whereas in the L6 and S3 DRGs the medium-sized cells made up the major population...
November 5, 2016: Neuropeptides
https://www.readbyqxmd.com/read/27856418/spinal-afferent-nerve-endings-in-visceral-organs-recent-advances
#19
REVIEW
Nick J Spencer, Vladimir Zagorodnyuk, Simon J Brookes, Tim Hibberd
Spinal afferent neurons play a major role in detection and transduction of painful stimuli from internal (visceral) organs. Recent technical advances have made it possible to visualize the endings of spinal afferent axons in visceral organs. Although it is well known that the sensory nerve cell bodies of spinal afferents reside within dorsal root ganglia (DRG), identifying their endings in internal organs has been especially challenging because of a lack of techniques to distinguish them from endings of other extrinsic and intrinsic neurons (sympathetic, parasympathetic, and enteric)...
December 1, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27845197/sustained-morphine-administration-induces-trpm8-dependent-cold-hyperalgesia
#20
Kerui Gong, Luc Jasmin
: It is not uncommon for patients chronically treated with opioids to exhibit opioid induced hyperalgesia (OIH), and this has been widely reported both clinically and experimentally. The molecular substrate for this hyperalgesia is multifaceted, and associated with a complex neural reorganization even in the periphery. For instance, we have recently shown that chronic morphine-induced heat hyperalgesia is associated with an increased expression of GluN2B containing N-methyl-D-aspartate (NMDA) receptors, as well as of the neuronal excitatory amino acid transporter 3/excitatory amino acid carrier 1, in small diameter primary sensory neurons only...
November 11, 2016: Journal of Pain: Official Journal of the American Pain Society
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