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Degenerative diseases

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https://www.readbyqxmd.com/read/27911285/the-relation-between-chondromalacia-patella-and-meniscal-tear-and-the-sulcus-angle-trochlear-depth-ratio-as-a-powerful-predictor
#1
Hatice Resorlu, Coskun Zateri, Gurdal Nusran, Ferdi Goksel, Nilufer Aylanc
PURPOSE: To investigate the relation between chondromalacia patella and the sulcus angle/trochlear depth ratio as a marker of trochlear morphology. In addition, we also planned to show the relationship between meniscus damage, subcutaneous adipose tissue thickness as a marker of obesity, patellar tilt angle and chondromalacia patella. METHODS: Patients with trauma, rheumatologic disease, a history of knee surgery and patellar variations such as patella alba and patella baja were excluded...
November 25, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27910738/cartilage-repair-in-the-degenerative-ageing-knee
#2
Mats Brittberg, Andreas H Gomoll, José A Canseco, Jack Far, Martin Lind, James Hui
Background and purpose - Cartilage damage can develop due to trauma, resulting in focal chondral or osteochondral defects, or as more diffuse loss of cartilage in a generalized organ disease such as osteoarthritis. A loss of cartilage function and quality is also seen with increasing age. There is a spectrum of diseases ranging from focal cartilage defects with healthy surrounding cartilage to focal lesions in degenerative cartilage, to multiple and diffuse lesions in osteoarthritic cartilage. At the recent Aarhus Regenerative Orthopaedics Symposium (AROS) 2015, regenerative challenges in an ageing population were discussed by clinicians and basic scientists...
December 2, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27908608/a-hospital-based-survey-of-patients-with-severe-valvular-heart-disease-in-china
#3
Po Hu, Xian-Bao Liu, Jie Liang, Qi-Feng Zhu, Chao-Xia Pu, Meng-Yao Tang, Jian-An Wang
OBJECTIVES: Due to increasing aging, the epidemiology of VHD may have changed in China. This study aimed to provide contemporary information on the prevalence, distribution patterns, and etiology of severe VHD in China. METHODS: This was a retrospective survey at Second Affiliated Hospital of Zhejiang University, which included all consecutive patients between 2010 and 2015. RESULTS: In all, 139,496 patients were enrolled. Among severe valve diseases, MR was the most frequent (n=946, 0...
November 25, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27908573/does-the-age-of-a-patient-affect-the-outcome-of-temporomandibular-joint-arthroscopic-surgery
#4
Jungsuk Cho, Howard Israel
PURPOSE: Although temporomandibular joint (TMJ) disorders encompass all age groups, it is generally considered to affect young to middle-age adults. The aim of this investigation was to study patients who met the criteria for TMJ arthroscopy and to determine whether there was a difference in outcomes between younger and older patients. MATERIALS AND METHODS: This was a retrospective chart review of patients who underwent TMJ operative arthroscopy. The primary variable studied was patient age...
November 9, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27907828/surgical-apgar-score-in-patients-undergoing-lumbar-fusion-for-degenerative-spine-diseases
#5
Chien-Yu Ou, Shih-Yuan Hsu, Jian-Hao Huang, Yu-Hua Huang
OBJECTIVE: Lumbar fusion is a procedure broadly performed for degenerative diseases of spines, but it is not without significant morbidities. Surgical Apgar Score (SAS), based on intraoperative blood loss, blood pressure, and heart rate, was developed for prognostic prediction in general and vascular operations. We aimed to examine whether the application of SAS in patients undergoing fusion procedures for degeneration of lumbar spines predicts in-hospital major complications. METHODS: One hundred and ninety-nine patients that underwent lumbar fusion operation for spine degeneration were enrolled in this retrospective study...
November 21, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27906743/vertebral-body-hounsfield-units-are-associated-with-cage-subsidence-after-transforaminal-lumbar-interbody-fusion-with-unilateral-pedicle-screw-fixation
#6
Jie Mi, Kang Li, Xin Zhao, Chang-Qing Zhao, Hua Li, Jie Zhao
OBJECTIVE: To assess the association between Hounsfield units (HU) measurement and cage subsidence after lumbar interbody fusion. BACKGROUND: Transforaminal lumbar interbody fusion (TLIF) with unilateral fixation becomes a popular treatment modality for lumbar degenerative disease. Cage subsidence is a potentially devastating complication after lumbar interbody fusion with unilateral fixation. Recently, a new technique for assessing bone mineral density using HU values from computed tomography has been proposed...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906462/histopathological-evaluation-of-skeletal-muscle-with-specific-reference-to-mouse-models-of-muscular-dystrophy
#7
Rebecca L Terry, Dominic J Wells
The muscular dystrophies are a diverse group of degenerative diseases for which many mouse models are available. These models are frequently used to assess potential therapeutic interventions and histological evaluation of multiple muscles is an important part of this assessment. Histological evaluation is especially useful when combined with tests of muscle function. This unit describes a protocol for necropsy, processing, cryosectioning, and histopathological evaluation of murine skeletal muscles, which is applicable to both models of muscular dystrophy and other neuromuscular conditions...
December 1, 2016: Current Protocols in Mouse Biology
https://www.readbyqxmd.com/read/27905353/-twenty-five-years-of-the-amyloid-hypothesis-of-alzheimer-disease-advances-failures-and-new-perspectives
#8
O S Levin, E E Vasenina
Amyloid hypothesis of Alzheimer's disease (AD) has been long the primary one. During the 25-year history the concept has been dramatically changed. Accumulation of β-amyloid is associated not only with the disruption of its synthesis (as it seemed after the discovery of genetic mechanisms of some familial cases of AD) but rather with the disruption of its clearance and elimination from the brain tissue via the microcirculatory system. It has been recognized that soluble oligomers of β-amyloid, but not senile plaques that consisted of insoluble conjugates described by A...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27903487/disturbed-p53-mdm2-feedback-loop-contributes-to-thoracic-aortic-dissection-formation-and-may-be-a-result-of-trim-25-overexpression
#9
Bin Gong, Zhiwei Wang, Min Zhang, Zhipeng Hu, Zongli Ren, Zheng Tang, Wanli Jiang, Lianghao Cheng, Jun Huang, Wei Ren, Qingtao Wang
BACKGROUND: The development of thoracic aortic dissection (TAD) is attributed to a broad range of degenerative, genetic, structural, oxidative, apoptotic, and acquired disease states. In this study, we examined the role of the disturbed p53-MDM2 feed-back loop in the formation of TAD, and one of a potential feed-back loop regulator, TRIM-25. METHODS: Surgical specimens of the aorta from TAD patients (n=10) and controls (n=10) were tested for α-smooth muscle actin (α-SMA),p53,murine double minute2(MDM2) and tripartite motif protein-25(TRIM-25) by western blot, immunohistochemical staining and quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR) , respectively...
November 26, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27903221/in-vitro-generated-mesenchymal-stem-cells-suitable-tools-to-target-insulin-dependent-diabetes-mellitus
#10
Shruti D Dave, Patel C N, Patel J V, Thakkar U G
A synergy of a pre-accumulated genes with an autoimmunity advancing to slow abolition of pancreatic beta-cells causes insulin deficiency and results enrooting insulin dependent diabetes mellitus (IDDM). As per WHO data worldwide about 150 million people are diabetic and the number may rise to more than double by the year 2025. Any absolute cure for IDDM is not available yet, and one of the credible advent in the field include cell-based therapy. At this conjecture, mesenchymal stem cells (MSC) seems to have a specific and beneficial characteristics due to their in vivo as well as in vitro potential to mimic a pancreatic endocrine phenotype and immune-regulatory actions...
November 21, 2016: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27902945/artificial-cervical-disc-replacement-with-the-prestige-lp-prosthesis-for-the-treatment-of-non-contiguous-2-level-cervical-degenerative-disc-disease-a-minimum-24-month-follow-up
#11
Tingkui Wu, Beiyu Wang, Chen Ding, Yang Meng, Jigang Lou, Yi Yang, Hao Liu
OBJECTIVE: We describe the features of non-contiguous 2-level cervical degenerative disc disease (NCDDD), investigate the safety and feasibility of artificial cervical disc replacement (ACDR) for the treatment of NCDDD, and expect that our study will provide spine surgeons with an alternative procedure for NCDDD. METHODS: Twenty-five patients with NCDDD received ACDR with a Prestige-LP prosthesis. Clinical outcomes were evaluated using the 36-Short Form (SF-36, Mental Component Summary [MCS] and Physical Component Summary [PCS]), Visual Analog Scale (VAS), Japanese Orthopedic Association (JOA), and Neck Disability Index (NDI) scores...
November 17, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27902739/degenerative-suspensory-ligament-desmitis-dsld-in-peruvian-paso-horses-is-characterized-by-altered-expression-of-tgf%C3%AE-signaling-components-in-adipose-derived-stromal-fibroblasts
#12
Wei Luo, John Sandy, Katie Trella, Daniel Gorski, Shuguang Gao, Jun Li, Sabrina Brounts, Jorge Galante, Anna Plaas
Equine degenerative suspensory ligament desmitis (DSLD) in Peruvian Paso horses typically presents at 7-15 years and is characterized by lameness, focal disorganization of collagen fibrils, and chondroid deposition in the body of the ligament. With the aim of developing a test for disease risk (that can be used to screen horses before breeding) we have quantified the expression of 76 TGFβ-signaling target genes in adipose-derived stromal fibroblasts (ADSCs) from six DSLD-affected and five unaffected Paso horses...
2016: PloS One
https://www.readbyqxmd.com/read/27902701/heads-shoulders-elbows-knees-and-toes-modular-gdf5-enhancers-control-different-joints-in-the-vertebrate-skeleton
#13
Hao Chen, Terence D Capellini, Michael Schoor, Doug P Mortlock, A Hari Reddi, David M Kingsley
Synovial joints are crucial for support and locomotion in vertebrates, and are the frequent site of serious skeletal defects and degenerative diseases in humans. Growth and differentiation factor 5 (Gdf5) is one of the earliest markers of joint formation, is required for normal joint development in both mice and humans, and has been genetically linked to risk of common osteoarthritis in Eurasian populations. Here, we systematically survey the mouse Gdf5 gene for regulatory elements controlling expression in synovial joints...
November 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27901415/burden-of-surgical-site-infections-associated-with-select-spine-operations-and-involvement-of-staphylococcus-aureus
#14
Harshila Patel, Hanane Khoury, Douglas Girgenti, Sharon Welner, Holly Yu
BACKGROUND: Spine operations may be indicated for treatment of diseases including vertebral injuries, degenerative spinal conditions, disk disease, spinal misalignments, or malformations. Surgical site infection (SSI) is a clinically important complication of spine surgery. Staphylococcus aureus, including methicillin-resistant Staphylococcus aureus (MRSA), is a leading cause of post-spinal SSIs. METHODS: PubMed and applicable infectious disease conference proceedings were searched to identify relevant published studies...
November 30, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27901100/imaging-analysis-of-parkinson-s-disease-patients-using-spect-and-tractography
#15
Seong-Jin Son, Mansu Kim, Hyunjin Park
Parkinson's disease (PD) is a degenerative disorder that affects the central nervous system. PD-related alterations in structural and functional neuroimaging have not been fully explored. This study explored multi-modal PD neuroimaging and its application for predicting clinical scores on the Movement Disorder Society-sponsored Unified Parkinson's Disease Rating Scale (MDS-UPDRS). Multi-modal imaging that combined (123)I-Ioflupane single-photon emission computed tomography (SPECT) and diffusion tensor imaging (DTI) were adopted to incorporate complementary brain imaging information...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27900929/main-effects-and-interactions-of-cerebral-hemispheres-gender-and-age-in-the-calculation-of-volumes-and-asymmetries-of-selected-structures-of-episodic-memory
#16
Rocio Ramirez-Carmona, Haydee Guadalupe Garcia-Lazaro, Brenda Dominguez-Corrales, Erika Aguilar-Castañeda, Ernesto Roldan-Valadez
The aim of this study was to clarify the influence of anatomical (cerebral hemisphere) and demographic (age and gender) variables on the gray matter (GM) volumes and volumetric asymmetry indices (VAIs) of selected structures involved in episodic memory. A cross-sectional study was performed in 47 healthy volunteers. Neuropsychological evaluation revealed similar IQs across the sample. Using SPM-based software, brain segmentation, labeling and volume measurements of the hippocampus, amygdala, middle temporal gyrus and parahippocampal gyrus were performed in each cerebral hemisphere...
November 30, 2016: Functional Neurology
https://www.readbyqxmd.com/read/27900567/clinical-potential-of-human-induced-pluripotent-stem-cells-perspectives-of-induced-pluripotent-stem-cells
#17
REVIEW
Dharmendra Kumar, Taruna Anand, Wilfried A Kues
The recent establishment of induced pluripotent stem (iPS) cells promises the development of autologous cell therapies for degenerative diseases, without the ethical concerns associated with human embryonic stem (ES) cells. Initially, iPS cells were generated by retroviral transduction of somatic cells with core reprogramming genes. To avoid potential genotoxic effects associated with retroviral transfection, more recently, alternative non-viral gene transfer approaches were developed. Before a potential clinical application of iPS cell-derived therapies can be planned, it must be ensured that the reprogramming to pluripotency is not associated with genome mutagenesis or epigenetic aberrations...
November 29, 2016: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/27900426/the-lumbar-spine-age-related-degenerative-disease-influences-the-bmd-not-the-tbs-the-osteolaus-cohort
#18
I Padlina, E Gonzalez-Rodriguez, D Hans, M Metzger, D Stoll, B Aubry-Rozier, O Lamy
: We evaluated the influence of degenerative disease and fractured vertebra on lumbar spine bone mineral density (BMD) and trabecular bone score (TBS) in 1500 women aged 50-80 years. TBS was not affected by a degenerative disease. While BMD increases after 62.5 years, TBS continues to decline. TBS should play a leading role in lumbar spine evaluation. INTRODUCTION: After menopause, lumbar spine (LS) BMD and TBS values decrease. Degenerative disease (DD) increases with age and affect LS BMD...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27900293/combined-use-of-platelet-rich-plasma-micro-fat-in-sport-and-race-horses-with-degenerative-joint-disease-preliminary-clinical-study-in-eight-horses
#19
Fabrizio Bembo, Julia Eraud, Cecile Philandrianos, Baptiste Bertrand, Alain Silvestre, Julie Veran, Florence Sabatier, Guy Magalon, Jeremy Magalon
BACKGROUND: To assess the safety and potential efficacy of a standardized technique consisting of intra-articular injection of 10 cc of a homogeneous mixed product using autologous micro-fat and platelet rich plasma (PRP) (ratio 1:1) in the carpus or the fetlock joint of sport horses presenting degenerative joint disease (DJD). METHODS: Eight sport horses with DJD confirmed by radiography and ultrasonography and causing lameness and the impossibility to compete were treated...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27899116/the-correlation-between-antimutagenic-activity-and-total-phenolic-content-of-extracts-of-31-plant-species-with-high-antioxidant-activity
#20
Tshepiso Jan Makhafola, Esameldin Elzein Elgorashi, Lyndy Joy McGaw, Luc Verschaeve, Jacobus Nicolaas Eloff
BACKGROUND: Antimutagenic activity of plant extracts is important in the discovery of new, effective cancer preventing agents. There is increasing evidence that cancer and other mutation-related diseases can be prevented by intake of DNA protective agents. The identification of antimutagenic agents present in plants presents an effective strategy to inhibit pathogenic processes resulting from exposure to mutagenic and/or carcinogenic substances present in the environment. There are no reports on the antimutagenic activities of the plant species investigated in this study...
November 29, 2016: BMC Complementary and Alternative Medicine
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