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https://www.readbyqxmd.com/read/29330730/scaffold-free-tissue-engineering-for-injured-joint-surface-restoration
#1
REVIEW
Kazunori Shimomura, Wataru Ando, Hiromichi Fujie, David A Hart, Hideki Yoshikawa, Norimasa Nakamura
Articular cartilage does not heal spontaneously due to its limited healing capacity, and thus effective treatments for cartilage injuries has remained challenging. Since the first report by Brittberg et al. in 1994, autologous chondrocyte implantation (ACI) has been introduced into the clinic. Recently, as an alternative for chondrocyte-based therapy, mesenchymal stem cell (MSC)-based therapy has received considerable research attention because of the relative ease in handling for tissue harvest, and subsequent cell expansion and differentiation...
January 5, 2018: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29285113/low-dose-irradiation-increases-adoptive-cytotoxic-t-lymphocyte-migration-in-gastric-cancer
#2
Juan Du, Shu Su, Hongyan Li, Jie Shao, Fanyan Meng, Mi Yang, Hanqing Qian, Zhengyun Zou, Xiaoping Qian, Baorui Liu
Adoptive cellular immunotherapy (ACI) has been demonstrated to be a promising cancer therapeutic; however, the inefficient migration of adoptive immune cells to tumors is one of the rate-limiting factors of ACI. The present study investigated whether 2 Gy low dose irradiation (LDI) was able to increase the migration of adoptive lymphocytes to gastric cancer cells. Treatment with 2 Gy LDI resulted in marked chemokine (C-X-C motif) ligand 9 (CXCL9) and CXCL10 production from gastric cancer cell lines. A Transwell chamber migration assay demonstrated enhanced transmigration of cytotoxic T lymphocytes to gastric cancer cells following LDI treatment...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29277609/ra-xii-exerts-anti-oxidant-and-anti-inflammatory-activities-on-lipopolysaccharide-induced-acute-renal-injury-by-suppressing-nf-%C3%AE%C2%BAb-and-mapks-regulated-by-ho-1-nrf2-pathway
#3
Xusheng An, Futai Shang
Acute kidney injury (AKI) is an abrupt loss of kidney function and severe AKI needs renal replacement therapeutic strategy and has high mortality. RA-XII is a natural cyclopeptide, isolated from the traditional Chinese medicine Rubia yunnanensis, exerting anti-inflammatory and anti-tumor activities. The present study aimed to explore the effects of RA-XII on LPS-induced ACI and the underlying molecular mechanism in TCMK-1 cells in vitro. The results indicated that RA-XII delayed the animal death caused by LPS in mice...
December 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29241321/the-suitability-of-different-probiotic-strains-for-the-production-of-fruit-whey-beverages
#4
Marek Sady, Dorota Najgebauer-Lejko, Jacek Domagała
BACKGROUND: When designing new probiotic products, one of the most important aspects is the selection of bacterial strains with high survival rates in the matrix of the product concerned. The aim of the present research was to evaluate the potential of selected strains of probiotic bacteria for the production of fruit-whey beverages. METHODS: Orange, apple and blackcurrant whey beverages were produced, and each was inoculated with one of the following probiotic strains: Bifidobacterium lactis HN019TM; Lactobacillus aci- dophilus NCFM®; Lactobacillus paracasei Lpc-37TM; Lactobacillus rhamnosus HN001TM...
October 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/29240775/ornithine-decarboxylase-as-a-therapeutic-target-for-endometrial-cancer
#5
Hong Im Kim, Chad R Schultz, Andrea L Buras, Elizabeth Friedman, Alyssa Fedorko, Leigh Seamon, Gadisetti V R Chandramouli, G Larry Maxwell, André S Bachmann, John I Risinger
Ornithine Decarboxylase (ODC) a key enzyme in polyamine biosynthesis is often overexpressed in cancers and contributes to polyamine-induced cell proliferation. We noted ubiquitous expression of ODC1 in our published endometrial cancer gene array data and confirmed this in the cancer genome atlas (TCGA) with highest expression in non-endometrioid, high grade, and copy number high cancers, which have the worst clinical outcomes. ODC1 expression was associated with worse overall survival and increased recurrence in three endometrial cancer gene expression datasets...
2017: PloS One
https://www.readbyqxmd.com/read/29226637/the-value-of-mean-platelet-volume-for-prognosis-of-patients-with-acute-cerebral-infarction
#6
Jiao-Long Wan, Zhi-Wei Ma
BACKGROUND: The purpose of this study was to investigate the value of mean platelet volume (MPV) for prognosis of patients with acute cerebral infarction (ACI). METHODS: One hundred ACI patients and 80 healthy volunteers acting as healthy controls (HCs) were consecutively included in this study. Their baseline clinical and laboratory characteristics were extracted from an electroniccase system. ACI patients were followed for 90 days to collect the main study endpoints including poor prognosis, death due to cardiovascular causes, and the recurrence of stroke...
November 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29222442/contrasting-patterns-of-genome-level-diversity-across-distinct-co-occurring-bacterial-populations
#7
Sarahi L Garcia, Sarah L R Stevens, Benjamin Crary, Manuel Martinez-Garcia, Ramunas Stepanauskas, Tanja Woyke, Susannah G Tringe, Siv G E Andersson, Stefan Bertilsson, Rex R Malmstrom, Katherine D McMahon
To understand the forces driving differentiation and diversification in wild bacterial populations, we must be able to delineate and track ecologically relevant units through space and time. Mapping metagenomic sequences to reference genomes derived from the same environment can reveal genetic heterogeneity within populations, and in some cases, be used to identify boundaries between genetically similar, but ecologically distinct, populations. Here we examine population-level heterogeneity within abundant and ubiquitous freshwater bacterial groups such as the acI Actinobacteria and LD12 Alphaproteobacteria (the freshwater sister clade to the marine SAR11) using 33 single-cell genomes and a 5-year metagenomic time series...
December 8, 2017: ISME Journal
https://www.readbyqxmd.com/read/29219020/correlation-of-mri-appearance-of-autologous-chondrocyte-implantation-in-the-ankle-with-clinical-outcome
#8
Keith W Chan, Richard D Ferkel, Brian Kern, Sarah S Chan, Gregory R Applegate
The objective of this study was to characterize magnetic resonance imaging (MRI) findings and correlate with clinical results in patients who underwent autologous chondrocyte implantation (ACI) of osteochondral lesions of the talus (OLT). METHODS: Twenty-four grafts were evaluated at a mean 65.8 months after ACI for OLT. MRI was performed on a 1.5-T GE scanner using multiple sequences. Graft appearance was compared with preoperative MRI and evaluated for 6 criteria: defect fill, surface regularity, signal pattern, bone marrow edema, subchondral plate irregularity, and presence of cystic lesions...
January 2018: Cartilage
https://www.readbyqxmd.com/read/29218113/age-associated-alteration-in-th17-cell-response-is-related-to-endothelial-cell-senescence-and-atherosclerotic-cerebral-infarction
#9
Qing Li, Shaowei Ding, Yuan Min Wang, Xiaoling Xu, Zuojun Shen, Rui Fu, Mengdie Liu, Chaojie Hu, Cuiping Zhang, Qi Cao, Yiping Wang
T-helper 17 (Th17) cells produce Interleukin-17 (IL-17) that plays an important role in host-defense. However, little is known whether aging affects the functions of human Th17 cells. In this study, we examine age-associated alteration in Th17-cell response; correlation between Th17-cells and endothelial cell senescence; and the occurrence of acute cerebral infarction (ACI). First, we examined Th17-frequency, phenotyping, key transcription factors, and relevant cytokines in healthy elderly, middle-aged and young-people along with elderly-patients with ACI...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29216762/protective-effect-of-astaxanthin-on-acute-cerebral-infarction-in-rats
#10
Yu Nai, Hong Liu, Xizhuang Bi, Hongyu Gao, Chao Ren
The aim of the study was to investigate the effect of astaxanthin and its possible mechanisms on acute cerebral infarction (ACI) in rat model. Male Sprague Dawley rats were randomly divided into sham group, model group, and astaxanthin-treated groups (20, 40, and 80 mg/kg). Neurological examination, the ratio of cerebral edema, and histopathology changes were assessed. Moreover, some oxidative stress markers were obtained for biochemical analysis, and the expression of neurotrophic factors gene was detected by real-time polymerase chain reaction (RT-PCR) method...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29206788/matrix-induced-autologous-chondrocyte-implantation-maci-using-a-cell-seeded-collagen-membrane-improves-cartilage-healing-in-the-equine-model
#11
Alan J Nixon, Holly D Sparks, Laila Begum, Sean McDonough, Michael S Scimeca, Nance Moran, Gloria L Matthews
BACKGROUND: Autologous chondrocyte implantation (ACI) using a collagen scaffold (matrix-induced ACI; MACI) is a next-generation approach to traditional ACI that provides the benefit of autologous cells and guided tissue regeneration using a biocompatible collagen scaffold. The MACI implant also has inherent advantages including surgical implantation via arthroscopy or miniarthrotomy, the elimination of periosteal harvest, and the use of tissue adhesive in lieu of sutures. This study evaluated the efficacy of the MACI implant in an equine full-thickness cartilage defect model at 1 year...
December 6, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29169959/chondrogenic-potential-of-il-10-in-mechanically-injured-cartilage-and-cellularized-collagen-aci-grafts
#12
P Behrendt, M Feldheim, A Preusse-Prange, J T Weitkamp, M Haake, D Eglin, B Rolauffs, J Fay, A Seekamp, A J Grodzinsky, B Kurz
OBJECTIVE: The application of adjunctive mediators in ACI techniques might be useful for improving the dedifferentiated chondrocyte phenotype, to support neocartilage formation and inhibit post-traumatic cartilage destruction. In this study we examined if (a) interleukin 10 treatment can cause chondrogenic phenotype stabilization and matrix preservation in mechanically injured cartilage and if (b) IL-10 can promote chondrogenesis in a clinically applied collagen scaffold for ACI treatment...
November 20, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29161138/autologous-matrix-induced-chondrogenesis-a-systematic-review-of-the-clinical-evidence
#13
Liang Gao, Patrick Orth, Magali Cucchiarini, Henning Madry
BACKGROUND: The addition of a type I/III collagen membrane in cartilage defects treated with microfracture has been advocated for cartilage repair, termed "autologous matrix-induced chondrogenesis" (AMIC). PURPOSE: To examine the current clinical evidence regarding AMIC for focal chondral defects. STUDY DESIGN: Systematic review. METHODS: A systematic review was performed by searching PubMed, ScienceDirect, and Cochrane Library databases...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29156973/cartilage-defect-treatment-using-high-density-autologous-chondrocyte-implantation-two-year-follow-up
#14
Juan Manuel Lopez-Alcorocho, Lucia Aboli, Isabel Guillen-Vicente, Elena Rodriguez-Iñigo, Marta Guillen-Vicente, Tomás F Fernández-Jaén, Santiago Arauz, Steve Abelow, Pedro Guillen-García
OBJECTIVE: The aim of this work was to study the short- and mid-term effectiveness and safety of high-density autologous chondrocyte implantation (HD-ACI) in the first 50 patients with knee cartilage damage treated in our unit. DESIGN: Fifty consecutive patients with cartilage lesions (Outerbridge grade III-IV) in the knee treated with HD-ACI were included in this study. Chondrocytes were isolated from a nonbearing cartilage area biopsy and were cultured until 40 to 50 million cells were obtained...
January 1, 2017: Cartilage
https://www.readbyqxmd.com/read/29151401/evaluation-of-a-primary-care-paramedic-stemi-bypass-guideline
#15
Jonathan L Kwong, Garry Ross, Linda Turner, Chris Olynyk, Sheldon Cheskes, Adam Thurston, P Richard Verbeek
OBJECTIVE: Limited evidence supports primary care paramedic (PCP) direct transport of ST-segment elevation myocardial infarction (STEMI) patients for percutaneous coronary intervention (PCI). The goal of this study was to evaluate an urban-based PCP STEMI bypass guideline. METHODS: We reviewed consecutive Toronto Paramedic Services call reports between April 7, 2015, and May 31, 2016, regarding STEMI patients identified by PCPs. The primary outcome was patient assignment (stable versus unstable) according to guideline criteria...
November 20, 2017: CJEM
https://www.readbyqxmd.com/read/29146220/autologous-chondrocyte-implantation-for-talar-osteochondral-lesions-comparison-between-5-year-follow-up-magnetic-resonance-imaging-findings-and-7-year-follow-up-clinical-results
#16
Gherardo Pagliazzi, Francesca Vannini, Milva Battaglia, Laura Ramponi, Roberto Buda
Autologous chondrocyte implantation (ACI) is an established surgical procedure that has provided satisfactory results. The aim of the present study was to correlate the clinical outcomes of a series of 20 patients treated by ACI at a 7-year follow-up examination with the magnetic resonance imaging (MRI) T2-mapping 5-year follow-up findings. We evaluated 20 patients using the American Orthopaedic Foot and Ankle Society (AOFAS) score preoperatively and the established follow-up protocol until 87.2 ± 14.5 months...
November 14, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29144055/confocal-raman-spectroscopic-imaging-for-in-vitro-monitoring-of-active-ingredient-penetration-and-distribution-in-reconstructed-human-epidermis-model
#17
Lynda Miloudi, Franck Bonnier, Ali Tfayli, Florent Yvergnaux, Hugh J Byrne, Igor Chourpa, Emilie Munnier
Topically applied Active Cosmetic Ingredients (ACI) or Active Pharmaceutical Ingredients (API) efficacy is directly related to their efficiency of penetration in the skin. In vitro Reconstructed Human Epidermis (RHE) surrogate models offer in vivo like skin samples for transdermal studies. Using Delipidol®, an ACI currently used in the cosmetics industry, the capabilities to deliver accurate distribution maps and penetration profiles of this molecule by means of Confocal Raman spectroscopic Imaging have been demonstrated...
November 16, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29125919/autologous-chondrocyte-implantation-sandwich-technique-compared-with-autologous-bone-grafting-for-deep-osteochondral-lesions-in-the-knee
#18
Tom Minas, Takahiro Ogura, Jeff Headrick, Tim Bryant
BACKGROUND: Treating symptomatic osteochondral defects is challenging, especially in young adults with deep (>8-10 mm) empty defects after osteochondritis dissecans (OCD) or collapsed condyles secondary to avascular necrosis (AVN). For this population, osteoarthritis (OA) is inevitable if articular congruence is not restored. PURPOSE: To describe the autologous chondrocyte implantation (ACI) "sandwich" technique with autologous bone grafting (ABG) and compare it with ABG alone for restoration of the osteochondral unit...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29114638/how-to-manage-a-failed-cartilage-repair-a-systematic-literature-review
#19
REVIEW
Donato Rosa, Sigismondo Luca Di Donato, Giovanni Balato, Alessio D'Addona, Francesco Smeraglia, Gaetano Correra, Gianni Di Vico
Purpose  The aims of this paper are to report the rate and risk factors for the failure of the most common cartilage repair technique, and analyze the most important factors that could influence the choice of a specific surgical treatment to revise a failed cartilage repair. Methods  A review of the literature was performed focusing on failed cartilage repair and related treatments. Two of the authors independently screened articles. Conflicts about the inclusion of a paper was resolved by further evaluation by the senior author...
June 2017: Joints
https://www.readbyqxmd.com/read/29100004/autologous-chondrocyte-implantation-in-osteoarthritic-surroundings-tnf%C3%AE-and-its-inhibition-by-adalimumab-in-a-knee-specific-bioreactor
#20
Robert Ossendorff, Sibylle Grad, Martin J Stoddart, Mauro Alini, Hagen Schmal, Norbert Südkamp, Gian M Salzmann
BACKGROUND: Autologous chondrocyte implantation (ACI) fails in up to 20% of cases. Advanced intra-articular degeneration paired with an inflammatory environment may be closely related to implantation failure. Certain cytokines have been identified to play a major role during early osteoarthritis. PURPOSE: To investigate the effects of tumor necrosis factor α (TNFα) and its potential inhibition by adalimumab on cartilage regeneration in an in vitro model of ACI...
November 1, 2017: American Journal of Sports Medicine
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