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https://www.readbyqxmd.com/read/28229533/expansion-of-myeloid-derived-suppressor-cells-with-aging-in-the-bone-marrow-of-mice-through-a-nf-%C3%AE%C2%BAb-dependent-mechanism
#1
Rafael R Flores, Cheryl L Clauson, Joonseok Cho, Byeong-Chel Lee, Sara J McGowan, Darren J Baker, Laura J Niedernhofer, Paul D Robbins
With aging, there is progressive loss of tissue homeostasis and functional reserve, leading to an impaired response to stress and an increased risk of morbidity and mortality. A key mediator of the cellular response to damage and stress is the transcription factor NF-κB. We demonstrated previously that NF-κB transcriptional activity is upregulated in tissues from both natural aged mice and in a mouse model of a human progeroid syndrome caused by defective repair of DNA damage (ERCC1-deficient mice). We also demonstrated that genetic reduction in the level of the NF-κB subunit p65(RelA) in the Ercc1(-/∆) progeroid mouse model of accelerated aging delayed the onset of age-related pathology including muscle wasting, osteoporosis, and intervertebral disk degeneration...
February 23, 2017: Aging Cell
https://www.readbyqxmd.com/read/28207618/magnetic-resonance-imaging-evaluation-of-the-effects-of-surgical-invasiveness-on-paravertebral-muscles-after-muscle-preserving-interlaminar-decompression-mild
#2
Hitoshi Tonomura, Yoichiro Hatta, Yasuo Mikami, Takumi Ikeda, Tomohisa Harada, Masateru Nagae, Hironori Koike, Hitoshi Hase, Toshikazu Kubo
STUDY DESIGN: This is a retrospective study. OBJECTIVES: The aim of this study was to determine the extent of damage to the paravertebral muscles after muscle-preserving interlaminar decompression (MILD) using magnetic resonance imaging to evaluate changes in the multifidus muscle (MF). SUMMARY OF BACKGROUND DATA: Short-term surgical outcomes of MILD for lumbar spinal canal stenosis (LSCS) are satisfactory; however, the extent of damage to the paravertebral muscles after MILD remains unclear...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28188410/simvastatin-inhibits-il-1%C3%AE-induced-apoptosis-and-extracellular-matrix-degradation-by-suppressing-the-nf-kb-and-mapk-pathways-in-nucleus-pulposus-cells
#3
Tu Ji, Li Wentian, Zhang Yukun, Wu Xinghuo, Song Yu, Kang Liang, Liu Wei, Wang Kun, Li Shuai, Hua Wenbin, Yang Cao
Statins are widely used hypocholesterolemic drugs that block the mevalonate pathway. Some studies have shown that statins may have the potential to inhibit intervertebral disk (IVD) degeneration (IDD). Interleukin (IL)-1β, a catabolic cytokine, is a key regulator of IDD. This study aimed to investigate the mechanism underlying the effect of simvastatin on IDD. The viability of nucleus pulposus (NP) cells was determined by the methyl-thiazolyl-tetrazolium (MTT) assay. The apoptosis of NP cells was measured by flow cytometric analysis, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL), and western blotting of relevant apoptotic proteins...
February 10, 2017: Inflammation
https://www.readbyqxmd.com/read/28176906/comparison-of-outcomes-between-minimally-invasive-transforaminal-lumbar-interbody-fusion-and-traditional-posterior-lumbar-intervertebral-fusion-in-obese-patients-with-lumbar-disk-prolapse
#4
Ya-Peng Wang, Ji-Long An, Ya-Peng Sun, Wen-Yuan Ding, Yong Shen, Wei Zhang
OBJECTIVE: The aim of this study was to compare the curative effect between minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) and the posterior lumbar interbody fusion (PLIF) in obese patients with lumbar disk prolapse. PATIENTS AND METHODS: In this study, 72 patients who underwent lumbar disk prolapse therapy in the Third Hospital of Hebei Medical University between March 2011 and 2015 were retrospectively analyzed and were divided into two groups, MIS-TLIF group (n=35) and PLIF group (n=37), according to different surgical procedures...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28165305/effect-of-anesthesia-associated-hypotension-on-neurologic-outcome-in-dogs-undergoing-hemilaminectomy-because-of-acute-severe-thoracolumbar-intervertebral-disk-herniation-56-cases-2007-2013
#5
Alexandra Dixon, Amy E Fauber
OBJECTIVE To evaluate the effect of anesthesia-associated hypotension on final motor and urinary function in paraplegic dogs without nociception that underwent hemilaminectomy because of acute, severe thoracolumbar intervertebral disk herniation (IVDH). DESIGN Retrospective case series. ANIMALS 56 paraplegic dogs with acute thoracolumbar IVDH and absent nociception. PROCEDURES Medical records were reviewed, and signalment, history, anesthetic details, and results of serial neurologic assessments performed for at least 4 weeks after surgery were recorded...
February 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28164082/semiautomated-3d-spine-reconstruction-from-biplanar-radiographic-images-prediction-of-intervertebral-loading-in-scoliotic-subjects
#6
Tito Bassani, Claudia Ottardi, Francesco Costa, Marco Brayda-Bruno, Hans-Joachim Wilke, Fabio Galbusera
The present study proposes a semiautomatic software approach to reconstruct 3D subject-specific musculoskeletal model of thoracolumbar spine from radiographic digitized images acquired with EOS system. The approach is applied to evaluate the intervertebral loads in 38 standing adolescents with mild idiopathic scoliosis. For each vertebra, a set of landmarks was manually identified on radiographic images. The landmark coordinates were processed to calculate the following vertebral geometrical properties in the 3D space (i) location (ii) dimensions; and (iii) rotations...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28152249/feasibility-study-for-evaluating-early-lumbar-facet-joint-degeneration-using-axial-t1-%C3%AF-t2-and-t2-mapping-in-cartilage
#7
Jianzhong Hu, Yi Zhang, Chunyue Duan, Xianjing Peng, Ping Hu, Hongbin Lu
PURPOSE: To assess the feasibility of axial T2 , T2*, and T1 ρ mapping of lumbar facet joint (LFJ) cartilage for evaluation of early degeneration. MATERIALS AND METHODS: We examined a total of 176 LFJs from 21 volunteers using axial T2 , T2*, and T1 ρ mapping with a 3.0T magnetic resonance imaging (MRI) scanner. All LFJs were measured and grouped according to the presence of low back pain (LBP), the Weishaupt grading system, and the Pfirrmann grade of the adjacent intervertebral disk (IVD)...
February 2, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28149652/bilateral-intra-articular-radiofrequency-ablation-for-cervicogenic-headache
#8
Charles A Odonkor, Teresa Tang, David Taftian, Akhil Chhatre
Introduction. Cervicogenic headache is characterized by unilateral neck or face pain referred from various structures such as the cervical joints and intervertebral disks. A recent study of patients with cervical pain showed significant pain relief after cervical medial branch neurotomy but excluded patients with C1-2 joint pain. It remains unclear whether targeting this joint has potential for symptomatic relief. To address this issue, we present a case report of C1-2 joint ablation with positive outcomes...
2017: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/28144987/prevalence-and-risk-factors-for-presumptive-ascending-descending-myelomalacia-in-dogs-after-thoracolumbar-intervertebral-disk-herniation
#9
F Balducci, S Canal, B Contiero, M Bernardini
BACKGROUND: Ascending/descending myelomalacia (ADMM) is a severe complication of thoracolumbar intervertebral disk herniation (TL-IVDH) in dogs. HYPOTHESIS/OBJECTIVES: To investigate the prevalence and risk factors for ADMM in nonambulatory dogs with surgically treated TL-IVDH. ANIMALS: Six-hundred and fifty-two client-owned dogs evaluated for TL-IVDH that underwent decompressive spinal surgery. METHODS: Retrospective medical record review from February 2007 through December 2015...
February 1, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28140641/preliminary-evaluation-of-the-effects-of-photobiomodulation-therapy-and-physical-rehabilitation-on-early-postoperative-recovery-of-dogs-undergoing-hemilaminectomy-for-treatment-of-thoracolumbar-intervertebral-disk-disease
#10
Michael Bennaim, Mathilde Porato, Astrid Jarleton, Martin Hamon, James D Carroll, Kris Gommeren, Marc Balligand
OBJECTIVE To evaluate the effects of postoperative photobiomodulation therapy and physical rehabilitation on early recovery variables for dogs after hemilaminectomy for treatment of intervertebral disk disease. ANIMALS 32 nonambulatory client-owned dogs. PROCEDURES Dogs received standard postoperative care with photobiomodulation therapy (n = 11), physical rehabilitation with sham photobiomodulation treatment (11), or sham photobiomodulation treatment only (10) after surgery. Neurologic status at admission, diagnostic and surgical variables, duration of postoperative IV analgesic administration, and recovery grades (over 10 days after surgery) were assessed...
February 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28137565/integrated-and-quantitative-proteomics-of-human-tumors
#11
Y Yakkioui, Y Temel, E Chevet, L Negroni
Quantitative proteomics represents a powerful approach for the comprehensive analysis of proteins expressed under defined conditions. These properties have been used to investigate the proteome of disease states, including cancer. It has become a major subject of studies to apply proteomics for biomarker and therapeutic target identification. In the last decades, technical advances in mass spectrometry have increased the capacity of protein identification and quantification. Moreover, the analysis of posttranslational modification (PTM), especially phosphorylation, has allowed large-scale identification of biological mechanisms...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28107234/comparison-between-acrylic-cage-and-polyetheretherketone-peek-cage-in-single-level-anterior-cervical-discectomy-and-fusion-a-randomized-clinical-trial
#12
Majid R Farrokhi, Zahra Nikoo, Mehrnaz Gholami, Khadijeh Hosseini
STUDY DESIGN: Prospective, single-blind randomized-controlled clinical study. OBJECTIVE: To compare polyetheretherketone (PEEK) cage with a novel Acrylic cage to find out which fusion cage yielded better clinical outcomes following single-level anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is considered a standard neurosurgical treatment for degenerative diseases of cervical intervertebral disks. There are many options, including bone grafts, bone cement, and spacers made of titanium, carbon fiber, and synthetic materials, used to restore physiological disk height and enhance spinal fusion, but the ideal device, which would provide immediate structural support and subsequent osteointegration and stability, has not been identified yet...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28101174/protective-effects-of-resveratrol-on-autologous-nucleus-pulposus-model-of-radiculopathy
#13
Bin Lin, Hui Yu, Yongzhi He, Yang Xu, Wenbin Zhang, Chengwu Lu, Qingfang Ao
Nucleus pulposus (NP) has been suggested to trigger an autoimmune response if exposed to the immune system, which plays a key role in neuropathic pain. Therefore, appropriate suppression of inflammation is a key factor for treating the radiculopathy caused by intervertebral disk (IVD) degeneration. Resveratrol, a key component of red wine, has been suggested to exhibit anti-inflammatory properties in vitro and in vivo. However, the effects of resveratrol on NP-mediated pain in vivo have not been studied. The aim of the present study was to investigate whether resveratrol may be useful in treating NP-mediated pain in an autologous NP model of radiculopathy...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28096690/the-relationship-between-findings-on-magnetic-resonance-imaging-and-previous-history-of-low-back-pain
#14
Juichi Tonosu, Hiroyuki Oka, Ko Matsudaira, Akiro Higashikawa, Hiroshi Okazaki, Sakae Tanaka
The objective of this study was to evaluate the relationship between magnetic resonance imaging (MRI) findings and previous low back pain (LBP) in participants without current LBP. Current LBP was defined as LBP during the past month. Previous LBP was defined as a history of medical consultation for LBP. Ninety-one participants without current LBP were included. Sagittal T2-weighted MRI was used to assess the intervertebral space from T12/L1 to L5/S1. These images were classified into five grades based on the Pfirrmann grading system...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28061487/thermal-induced-osteonecrosis-of-adjacent-vertebra-after-intradiscal-electrothermal-therapy
#15
Soonjoon Kim, Sun-Ho Lee, Eun-Sang Kim, Whan Eoh
A 42-year-old man was admitted to our hospital with complaints of low back pain and intermittent right thigh pain. Twelve weeks before admission, the patient received intradiscal electrothermal therapy (IDET) at a local hospital. The patient still reported low back pain after the procedure that was managed with narcotic analgesics. Follow-up magnetic resonance imaging (MRI) was performed, and his referring physician thought the likely diagnosis was spondylodiscitis at the L4-5 spinal segment with a small epidural abscess...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28050750/a-novel-modality-for-functional-imaging-in-acute-intervertebral-disk-herniation-via-tracking-leukocyte-infiltration
#16
Li Xiao, Mengmeng Ding, Yi Zhang, Mahendra Chordia, Dongfeng Pan, Adam Shimer, Francis Shen, David Glover, Li Jin, Xudong Li
PURPOSE: Inflammation plays a key role in the progression of intervertebral disk (IVD) herniation and associated low back pain. However, real-time spatial diagnosis of inflammation associated with acute disk herniation has not been investigated. We sought to detect local neutrophil and macrophage infiltration near disk herniation via the formyl peptide receptor 1 (FPR1)-mediated molecular imaging in a disk puncture mouse model to elucidate pathophysiological process of disk herniation...
January 3, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28050544/influence-of-mononuclear-cell-therapy-on-disc-degeneration-in-rabbits
#17
Rodrigo Caldonazzo Fávaro, André de Oliveira Arruda, Luiz Roberto Gomes Vialle, Emiliano Neves Vialle
OBJECTIVE: The objective of this research was to evaluate the influence of autologous mononuclear stem cells injections on histological changes of collagen in the fibrous annulus of the intervertebral disk after experimental injury. METHODS: 32 New Zealand rabbits were submitted to intervertebral disk puncture, followed by intradiscal injection of mononuclear cells from the iliac crest versus saline injection in the following time periods: two months after the injury (SC2M and SS2M), two weeks (SC2W and SS2W) immediately after injury (SCCP and SSCP), and without inducing degeneration (SCSP and SSSP)...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28025450/application-of-fiber-tractography-and-diffusion-tensor-imaging-to-evaluate-spinal-cord-diseases-in-dogs
#18
Yuko Konishi, Hiroyuki Satoh, Yasuyoshi Kuroiwa, Mizuki Kusaka, Atsushi Yamashita, Yujiro Asada, Taketoshi Asanuma
Fiber tractography is a technique capable of depicting the three-dimensional structure and connectivity of nerve fibers using serial magnetic resonance diffusion tensor imaging (DTI). To establish fiber tractography and DTI methods in veterinary clinical medicine, we evaluated fiber tractography and DTI parameters: apparent diffusion coefficient (ADC) values and fractional anisotropy (FA) values, in various spinal cord diseases. Spinal cord DTI was examined in 28 dogs with spinal cord diseases. The ADC and FA values were measured at lesion sites and cranial normal sites on spinal cords, and both values of lesion sites were compared with normal sites...
December 23, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28017166/comparison-of-transforaminal-and-interlaminar-epidural-steroid-injections-for-the-treatment-of-chronic-lumbar-pain
#19
Serbülent Gökhan Beyaz
STUDY DESIGN: A cross-sectional study. OBJECTIVE: We compared the 12 month outcomes of fluoroscopically guided transforaminal epidural steroid injections with interlaminar epidural steroid injections for the treatment of chronic lumbar spinal pain. Chronic lower back pain is a multifactorial disorder with many possible etiologies. The lifetime prevalence of spinal pain is reportedly 65-80% in the neck and lower back. Epidural injection of corticosteroids is a commonly used intervention for managing chronic spinal pain...
January 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/27999827/cauda-equina-syndrome-an-emergency-some-unexpected-severe-symptoms-and-conservative-treatment
#20
Philip Grammaticos, Nikitas Papadopoulos, Labib Tarazi, Dimosthenis Katsarkas
An 83 years old physician, doing only office work and no exercise, presented with cauda equine, due to a large intervertebral disk hernia between L1-L2 vertebrae, after an unorthodox movement. He also had a facet syndrome, a muscular spasm in the gluteus, a small fracture in the periphery of the body of the L2 vertebra and pain in the L4-L5, due to a previous vertebral hernia five years ago. All L1-L5 left lateral area was painful. He felt an unbearable pain. He also had a degree of paralysis of the gastrointestinal (GI) and the genitourinary system...
September 2016: Hellenic Journal of Nuclear Medicine
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