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https://www.readbyqxmd.com/read/28532910/impact-of-elderly-age-on-complications-and-clinical-outcomes-following-anterior-lumbar-interbody-fusion-surgery
#1
Kevin Phan, Vignesh Ramachandran, Tommy Tran, Steven Phan, Prashanth J Rao, Ralph J Mobbs
BACKGROUND: Anterior Lumbar Interbody Fusion (ALIF) is a surgical technique used to treat patients with a variety of lumbar pathologies. Identification of risk factors leading to complication following ALIF surgery may allow surgeons to better judge candidacy and optimize care for high-risk patients. METHODS: A retrospective analysis was conducted on a prospectively collected database of 137 patients who all underwent ALIF surgery by a single primary spine surgeon...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28529810/molecular-profiling-a-case-of-zbtb16-rara-acute-promyelocytic-leukemia
#2
Stephen E Langabeer, Lisa Preston, Johanna Kelly, Matt Goodyer, Ezzat Elhassadi, Amjad Hayat
Several variant RARA translocations have been reported in acute promyelocytic leukemia (APL) of which the t(11;17)(q23;q21), which results in a ZBTB16-RARA fusion, is the most widely identified and is largely resistant to therapy with all-trans retinoic acid (ATRA). The clinical course together with the cytogenetic and molecular characterization of a case of ATRA-unresponsive ZBTB16-RARA APL is described. Additional mutations potentially cooperating with the translocation fusion product in leukemogenesis have been hitherto unreported in ZBTB16-RARA APL and were sought by application of a next-generation sequencing approach to detect those recurrently found in myeloid malignancies...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28523382/adult-spinal-deformity-effectiveness-of-interbody-lordotic-cages-to-restore-disc-angle-and-spino-pelvic-parameters-through-completely-mini-invasive-trans-psoas-and-hybrid-approach
#3
Giuseppe Barone, Laura Scaramuzzo, Antonino Zagra, Fabrizio Giudici, Andrea Perna, Luca Proietti
PURPOSE: The aim of the study is to assess and quantify the effectiveness of interbody lordotic cages applied by trans-psoas approach to improve radiographic parameters, showing the differences between completely mini-invasive and hybrid approach. METHODS: We collected data of 65 patients affected by degenerative lumbar deformity/diseases and underwent mini-invasive lateral interbody fusion followed by percutaneous (group A, completely mini-invasive) or open (group B, hybrid) posterior instrumentation...
May 18, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28521962/the-functional-roles-of-pml-nuclear-bodies-in-genome-maintenance
#4
REVIEW
Hae Ryung Chang, Anudari Munkhjargal, Myung-Jin Kim, Seon Young Park, Eunyoung Jung, Jae-Ha Ryu, Young Yang, Jong-Seok Lim, Yonghwan Kim
In the nucleus, there are several membraneless structures called nuclear bodies. Among them, promyelocytic leukemia nuclear bodies (PML-NBs) are involved in multiple genome maintenance pathways including the DNA damage response, DNA repair, telomere homeostasis, and p53-associated apoptosis. In response to DNA damage, PML-NBs are coalesced and divided by a fission mechanism, thus increasing their number. PML-NBs also play a role in repairing DNA double-strand breaks (DSBs) by homologous recombination (HR). Clinically, the dominant negative PML-RARα fusion protein expressed in acute promyelocytic leukemia (APL) inhibits the transactivation of downstream factors and disrupts PML function, revealing the tumor suppressor role of PML-NBs...
May 5, 2017: Mutation Research
https://www.readbyqxmd.com/read/28521960/yeast-dynamin-associates-with-the-garp-tethering-complex-for-endosome-to-golgi-traffic
#5
Uma Saimani, Jared Smothers, Hyoeun McDermott, Pelin Makaraci, Kyoungtae Kim
Yeast dynamin, Vacuolar Protein Sorting 1 (Vps1), has been implicated in recycling traffic from the endosome to the trans-Golgi network (TGN). Previous research showed a genetic interaction of Vps1 with all components of the GARP tethering complex, which anchors vesicles at the late Golgi membrane. We used the yeast two-hybrid system and have identified a 33 amino acid segment of Vps51, a GARP subunit, that interacts with Vps1. Based on sequence homology between Vps51 and its mammalian homolog Ang2 in the 33 amino acids stretch, we identified two key residues of Vps51, E127 and Y129, that bind Vps1...
May 8, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/28502688/evaluating-outcomes-of-stand-alone-anterior-lumbar-interbody-fusion-a-systematic-review
#6
Gloria Giang, Ralph Mobbs, Steven Phan, Tommy Manh Tran, Kevin Phan
BACKGROUND: Stand-alone anterior lumbar interbody fusion (ALIF) is an effective surgical approach for selected spinal pathologies. It avoids the morbidity and complications associated with instrumented ALIF such as plate fixation and the traditionally used posterior approach. Despite improved disc space visualisation and clearance, the associated posterior instability and increased risk of non-fusion present major challenges to this approach. The integral cage design aims to address these challenges by providing the necessary stabilisation through intracorporeal screws...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28497667/midline-lumbar-fusion-with-cortical-bone-trajectory-as-first-line-treatment-in-a-selected-series-of-patients-with-lumbar-instability
#7
Mattia Bruzzo, Paolo Severi, Susanna Bacigaluppi
OBJECT: Aim of the present study was to proof that for certain complex spinal conditions, MIDLIF technique is very convenient in terms of length of hospitalization, functional recovery and pain relief and time to back to work. METHODS: MIDLF indications were set for patients with not more than 3 unstable levels, presence of osteoporosis (alternative to cemented screws), or cardiomyopathy with anticoagulation with or without spinal stenosis, and or discopathy. Surgical difficulties, operative time, hemoglobin loss and postoperative 45 days, 6 months and one-year follow- up data are shown...
May 11, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28495859/alpha-synuclein-may-cross-bridge-v-snare-and-acidic-phospholipids-to-facilitate-snare-dependent-vesicle-docking
#8
Xiaochu Lou, Jaewook Kim, Brenden J Hawk, Yeon-Kyun Shin
Misfolded α-synuclein/A-syn is widely recognized as primal cause of neurodegenerative diseases including Parkinson's and dementia with Lewy bodies. The normal cellular function of A-syn has however been elusive. There is evidence that A-syn plays a variety of roles in the exocytotic pathway in the neuron, but the underlying molecular mechanisms are unclear. A-syn has been known to interact with negatively charged phospholipids and with vesicle SNARE protein VAMP2 as well. Using single vesicle-vesicle docking/fusion assays, we find that A-syn promotes SNARE-dependent vesicles docking significantly at 2...
May 11, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28490503/entropic-forces-drive-self-organization-and-membrane-fusion-by-snare-proteins
#9
Hakhamanesh Mostafavi, Sathish Thiyagarajan, Benjamin S Stratton, Erdem Karatekin, Jason M Warner, James E Rothman, Ben O'Shaughnessy
SNARE proteins are the core of the cell's fusion machinery and mediate virtually all known intracellular membrane fusion reactions on which exocytosis and trafficking depend. Fusion is catalyzed when vesicle-associated v-SNAREs form trans-SNARE complexes ("SNAREpins") with target membrane-associated t-SNAREs, a zippering-like process releasing ∼65 kT per SNAREpin. Fusion requires several SNAREpins, but how they cooperate is unknown and reports of the number required vary widely. To capture the collective behavior on the long timescales of fusion, we developed a highly coarse-grained model that retains key biophysical SNARE properties such as the zippering energy landscape and the surface charge distribution...
May 10, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28489466/intrathecal-injection-of-gadobutrol-a-tale-of-caution
#10
Corey Reeves, Enrique Galang, Raj Padalia, Nam Tran, Devang Padalia
In the field of interventional pain medicine a radiocontrast agent is commonly used in conjunction with fluoroscopy. Limited work has been published regarding the use of gadolium based contrast agents (GBCA) in the intrathecal space. We report a case of an intrathecal gadobutrol injection resulting in neurotoxic manifestations.A 60-year-old female with a history significant for lumbar post-laminectomy syndrome and intrathecal drug delivery implantation was admitted for lumbar fusion and kyphoplasty. Postoperatively, the patient had escalating pain medication requirements...
May 10, 2017: Journal of Pain & Palliative Care Pharmacotherapy
https://www.readbyqxmd.com/read/28488844/mri-in-prostate-cancer-detection-and-management-a-systematic-review
#11
Fabio Monni, Paolo Fontanella, Angelica Grasso, Peter Wiklund, Yen-Chuan Ou, Marco Randazzo, Bernardo Rocco, Emanuele Montanari, Giampaolo Bianchi
INTRODUCTION: The aim of our work was to evaluate the role of multi-parametric MRI (mpMRI) in detection and management of prostate cancer (PC); specifically investigating the efficacy of mpMRI-based biopsy techniques in terms of diagnostic yield of significant prostate neoplasm and the improved management of patient who choose conservative treatments or active surveillance. EVIDENCE ACQUISITION: A systematic and critical analysis through Medline, Embase, Scopus and Web of Science databases was carried out in March 2016, following the PRISMA ("Preferred Reporting Items for Systematic Reviews and Meta-Analyses") statement...
May 8, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28487986/sumo-1-delays-neuronal-damage-in-the-spinal-cord-following-ischemia-reperfusion
#12
Hyo Young Jung, Dae Won Kim, Hyun Jung Kwon, Dae Young Yoo, In Koo Hwang, Moo-Ho Won, Tack-Geun Cho, Soo Young Choi, Seung Myung Moon
The present study investigated the protective effects of small ubiquitin-like modifier 1 (SUMO-1) on spinal cord ischemic damage in rabbits. A trans‑activator of transcription (Tat)‑SUMO‑1 fusion protein was prepared, and transient spinal cord ischemia was induced by occlusion of the abdominal aorta for 15 min. Vehicle (glycerol) or 1 mg/kg Tat-1-SUMO‑1 was administered intraperitoneally to the rabbits immediately following ischemia/reperfusion. Administration of Tat-SUMO-1 did not lead to significant alterations in arterial blood gases [partial pressure (Pa)CO2 and PaO2], pH, or blood glucose levels prior to ischemia, 10 min after occlusion or 10 min after reperfusion...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28443083/intracellular-localization-interactions-and-functions-of-capsicum-chlorosis-virus-proteins
#13
Shirani M K Widana Gamage, Ralf G Dietzgen
Tospoviruses are among the most devastating viruses of horticultural and field crops. Capsicum chlorosis virus (CaCV) has emerged as an important pathogen of capsicum and tomato in Australia and South-east Asia. Present knowledge about CaCV protein functions in host cells is lacking. We determined intracellular localization and interactions of CaCV proteins by live plant cell imaging to gain insight into the associations of viral proteins during infection. Proteins were transiently expressed as fusions to autofluorescent proteins in leaf epidermal cells of Nicotiana benthamiana and capsicum...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28431275/learning-non-rigid-deformations-for-robust-constrained-point-based-registration-in-image-guided-mr-trus-prostate-intervention
#14
John A Onofrey, Lawrence H Staib, Saradwata Sarkar, Rajesh Venkataraman, Cayce B Nawaf, Preston C Sprenkle, Xenophon Papademetris
Accurate and robust non-rigid registration of pre-procedure magnetic resonance (MR) imaging to intra-procedure trans-rectal ultrasound (TRUS) is critical for image-guided biopsies of prostate cancer. Prostate cancer is one of the most prevalent forms of cancer and the second leading cause of cancer-related death in men in the United States. TRUS-guided biopsy is the current clinical standard for prostate cancer diagnosis and assessment. State-of-the-art, clinical MR-TRUS image fusion relies upon semi-automated segmentations of the prostate in both the MR and the TRUS images to perform non-rigid surface-based registration of the gland...
April 12, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28427121/-efficacy-and-safety-of-vertebrae-pedicle-subtraction-osteotomy-by-posterior-trans-apical-for-correction-of-severe-and-rigid-idiopathic-scoiiosis
#15
T Xu, Maimaiti Maierdan, H L Guo, Maimaiti Pulati, J Sheng, Q Deng, W B Sheng
Objective: To evaluate the efficacy and safety of pedicle subtraction osteotomy for correction of severe rigid idiopathic scoliosis. Methods: From January 2003 to December 2014, eighteen patients with severe rigid idiopathic scoliosis were treated by posterior wedge osteotomy in department of spinal surgery, the First Affiliated Hospital of Xinjiang Medical University. There were 5 males and 13 females, and the average age at was (16.9±9.1)years, and the average follow-up was 47.6 months. The coronal and sagittal Cobb's angles, sagittal trunk shifts, apical vertebral translation, height change and fusion segments were measured on standing AP and lateral radiographs before, after surgery and the final follow-up...
April 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28426213/role-of-mediator-and-effects-of-temperature-on-ortho-c-n-bond-fusion-reactions-of-aniline-using-ruthenium-templates-isolation-and-characterization-of-new-ruthenium-complexes-of-the-in-situ-generated-ligands
#16
Suman K Roy, Debabrata Sengupta, Santi Prasad Rath, Tanushri Saha, Subhas Samanta, Sreebrata Goswami
In this work, ortho-C-N bond fusion reactions of aniline are followed by the use of two different ruthenium mediators. Reaction of aniline with [Ru(III)(terpy)Cl3] (terpy = 2,2':6',2″-terpyridine) resulted in a trans bis-aniline ruthenium(II) complex [1](+) which upon oxidation with H2O2 produced compound [2](+) of a bidentate ligand, N-phenyl-1,2-benzoquinonediimine, due to an oxidative ortho-C-N bond fusion reaction. Complex [1](+) and aniline (neat) at 185 °C produced a bis-chelated ruthenium complex (3)...
April 20, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28418268/the-folding-competence-of-hiv-1-tat-mediated-by-interaction-with-tar-rna
#17
Jung Min Kim, Hee Sun Choi, Baik Lin Seong
The trans-activator Tat protein of HIV-1 belongs to the large family of intrinsically disordered proteins (IDPs), and is known to recruit various host proteins for the transactivation of viral RNA synthesis. Tat protein interacts with the transactivator response RNA (TAR RNA), exhibiting RNA chaperone activities for structural rearrangement of interacting RNAs. Here, considering that Tat-TAR RNA interaction is mutually cooperative, we examined the potential role of TAR RNA as Chaperna - RNA that provides chaperone function to proteins - for the folding of HIV-1 Tat...
April 18, 2017: RNA Biology
https://www.readbyqxmd.com/read/28415797/rab7-gtpase-controls-lipid-metabolic-signaling-in-myeloid-derived-suppressor-cells
#18
Xinchun Ding, Wenjing Zhang, Ting Zhao, Cong Yan, Hong Du
Lysosomal acid lipase (LAL) is a critical neutral lipid metabolic enzyme that regulates metabolic reprogramming in myeloid-derived suppressor cells (MDSCs) through over-activation of mammalian target of rapamycin (mTOR). Affymetrix GeneChip microarray analysis of MDSCs from LAL deficient mouse (lal-/-) revealed upregulation of Rab7 GTPase protein, which belongs to a superfamily of small-molecular-weight GTPase known to regulate intracellular membrane trafficking from early to late endosomes and lysosomes. Here, the physical protein-protein interaction between Rab7 GTPase and mTOR has been detected by co-immunoprecipitation in the cell extract of wild type HD1A and lal-/- MDSC-like HD1B myeloid cell lines...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28408464/targetable-kinase-gene-fusions-in-high-risk-b-all-a-study-from-the-children-s-oncology-group
#19
Shalini C Reshmi, Richard C Harvey, Kathryn G Roberts, Eileen Stonerock, Amy Smith, Heather Jenkins, I-Ming Chen, Marc Valentine, Yu Liu, Yongjin Li, Ying Shao, John Easton, Debbie Payne-Turner, Zhaohui Gu, Thai Hoa Tran, Jonathan V Nguyen, Meenakshi Devidas, Yunfeng Dai, Nyla A Heerema, Andrew J Carroll, Elizabeth A Raetz, Michael J Borowitz, Brent L Wood, Anne L Angiolillo, Michael J Burke, Wanda L Salzer, Patrick A Zweidler-McKay, Karen R Rabin, William L Carroll, Jinghui Zhang, Mignon L Loh, Charles G Mullighan, Cheryl L Willman, Julie M Gastier-Foster, Stephen P Hunger
Philadelphia chromosome-like acute lymphoblastic leukemia (Ph-like ALL) is a high-risk subtype characterized by genomic alterations that activate cytokine receptor and kinase signaling. We examined the frequency and spectrum of targetable genetic lesions in a retrospective cohort of 1389 consecutively diagnosed childhood B-ALL patients with high-risk clinical features and/or elevated minimal residual disease at the end of remission induction therapy. The Ph-like gene expression profile was identified in 341 of 1389 patients, 57 of which were excluded from additional analysis because of the presence of BCR-ABL1 (n=46) or ETV6-RUNX1 (n=11)...
April 13, 2017: Blood
https://www.readbyqxmd.com/read/28401641/a-conserved-%C3%AE-proteobacterial-small-rna-contributes-to-osmoadaptation-and-symbiotic-efficiency-of-rhizobia-on-legume-roots
#20
Marta Robledo, Alexandra Peregrina, Vicenta Millán, Natalia I García-Tomsig, Omar Torres-Quesada, Pedro F Mateos, Anke Becker, José I Jiménez-Zurdo
Small non-coding RNAs (sRNAs) are expected to have pivotal roles in the adaptive responses underlying symbiosis of nitrogen-fixing rhizobia with legumes. Here, we provide primary insights into the function and activity mechanism of the Sinorhizobium meliloti trans-sRNA NfeR1 (Nodule Formation Efficiency RNA). Northern blot probing and transcription tracking with fluorescent promoter-reporter fusions unveiled high nfeR1 expression in response to salt stress and throughout the symbiotic interaction. The strength and differential regulation of nfeR1 transcription are conferred by a motif, which is conserved in nfeR1 promoter regions in α-proteobacteria...
April 12, 2017: Environmental Microbiology
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