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Alice C Chang, Armen H Mekhdjian, Masatoshi Morimatsu, Aleksandra Kirillovna Denisin, Beth L Pruitt, Alexander R Dunn
Integrins mediate cell adhesion to the extracellular matrix and enable the construction of complex, multicellular organisms, yet fundamental aspects of integrin-based adhesion remain poorly understood. Notably, the magnitude of the mechanical load experienced by individual integrins within living cells is unclear, due principally to limitations inherent to existing techniques. Here we use FRET-based molecular tension sensors (MTSs) to directly measure the distribution of loads experienced by individual integrins in living cells...
October 25, 2016: ACS Nano
Dana Marcus, Michal Lichtenstein, Natali Cohen, Rita Hadad, Tal Erlich-Hadad, Hagar Greif, Haya Lorberboum-Galski
Mitochondrial Targeting Sequences (MTSs) are responsible for trafficking nuclear-encoded proteins into mitochondria. Once entering the mitochondria, the MTS is recognized and cleaved off. Some MTSs are long and undergo two-step processing, as in the case of the human frataxin (FXN) protein (80aa), implicated in Friedreich's ataxia (FA). Therefore, we chose the FXN protein to examine whether nuclear-encoded mitochondrial proteins can efficiently be targeted via a heterologous MTS (hMTS) and deliver a functional protein into mitochondria...
October 19, 2016: International Journal of Biochemistry & Cell Biology
Mark F Reinking, Tricia M Austin, Randy R Richter, Mary M Krieger
CONTEXT: Medial tibial stress syndrome (MTSS) is a common condition in active individuals and presents as diffuse pain along the posteromedial border of the tibia. OBJECTIVE: To use cross-sectional, case-control, and cohort studies to identify significant MTSS risk factors. DATA SOURCES: Bibliographic databases (PubMed, Scopus, CINAHL, SPORTDiscus, EMBASE, EBM Reviews, PEDRo), grey literature, electronic search of full text of journals, manual review of reference lists, and automatically executed PubMed MTSS searches were utilized...
October 11, 2016: Sports Health
Robert B M Landewé, Carol A Connell, John D Bradley, Bethanie Wilkinson, David Gruben, Sander Strengholt, Désirée van der Heijde
BACKGROUND: The detection of statistically significant reductions in radiographic progression during clinical studies in patients with rheumatoid arthritis (RA) has become increasingly difficult over the past decade due to early-escape study designs and declining rates of progression in control-group patients. We investigated the impact of extremes of radiographic data (outliers) and baseline prognostic factors on detection of treatment effects, to provide guidance on future analysis of joint structural data in RA clinical trials...
2016: Arthritis Research & Therapy
Phil Newman, Gordon Waddington, Roger Adams
OBJECTIVES: Up to 35% of runners develop medial tibial stress syndrome (MTSS) which often results in lengthy disruption to training and sometimes affects daily activities. There is currently no high quality evidence to support any particular intervention for MTSS. This study aims to investigate the effect of shockwave therapy for MTSS. DESIGN: A randomized, sham-controlled, pilot trial in a university-based health clinic including 28 active adults with MTSS. METHODS: Intervention included standard dose shockwave therapy for the experimental group versus sham dose for the control group, delivered during Week 1-3, 5 and 9...
August 5, 2016: Journal of Science and Medicine in Sport
Miette F Loopik, Marinus Winters, Maarten H Moen
INTRODUCTION: No reports have been published on the results of corticosteroid injections for medial tibial stress syndrome (MTSS). CASE PRESENTATION: We present two cases of women with MTSS who showed atrophy and depigmentation of the skin after pretibial corticosteroid injections. Case 1 is an 18-year-old woman presenting with pain in her lower leg for twelve months. No improvement was noticed after conservative treatment. Therefore she received local injections with corticosteroids...
August 24, 2016: Journal of Sport Rehabilitation
Mariëtte Z Meulekamp, Wieteke Sauter, Marieke Buitenhuis, Agali Mert, Peter van der Wurff
INTRODUCTION: Lower leg pain (LLP), including medial tibial stress syndrome (MTSS) and chronic exertional compartment syndrome (CECS), remains a major problem for the military. OBJECTIVE: Evaluation of patient characteristics and short-term results of the rehabilitation program for service members used in the Military Rehabilitation Centre Aardenburg. METHODS: This retrospective study includes 161 service members of the Netherlands Armed Forces...
September 2016: Military Medicine
Satoshi Kubo, Kazuhisa Nakano, Shingo Nakayamada, Shintaro Hirata, Shunsuke Fukuyo, Norifumi Sawamukai, Kazuyoshi Saito, Yoshiya Tanaka
OBJECTIVES: To investigate the efficacy and safety of abatacept for treating patients with rheumatoid arthritis (RA) in routine clinical practice and to determine the prognostic factors affecting clinical outcomes. METHODS: We performed a retrospective study of 194 RA patients treated with abatacept. Clinical outcomes at 1 year after the treatment were assessed. Joint damage was assessed by the van der Heijde-modified total Sharp score (mTSS). RESULTS: Of the 194 patients, abatacept was discontinued in 51 patients, resulting in a retention rate at week 52 of 73...
September 2016: Clinical and Experimental Rheumatology
Tsuyoshi Deguchi, Shunji Tsutsui, Hiroki Iwahashi, Yukihiro Nakagawa, Munehito Yoshida
Recently, low-frequency multi-train stimulation (MTS) was shown to effectively enhance transcranial motor-evoked potentials (TcMEPs). In contrast, high- frequency double-train stimulation was reported to elicit a marked facilitation. The aim of this study was to evaluate the efficacy of high-frequency MTS in the augmentation of potentials. In addition, we investigated the safety of high-frequency MTS, behaviorally and histologically. TcMEPs were recorded from the triceps surae muscle in 38 rats. A multipulse stimulus was delivered repeatedly at different rates (2, 5, 10, 20, and 50 Hz), and was defined as MTS...
August 26, 2016: Journal of Clinical Monitoring and Computing
Marinus Winters, Paulien Bon, Sascha Bijvoet, Eric W P Bakker, Maarten H Moen
OBJECTIVES: Medial tibial stress syndrome (MTSS) is one of the most common sporting injuries. As of yet, the development of effective therapeutic interventions to treat MTSS is hindered by the fact that its pathology is unknown. Our aim was to explore the pathology of MTSS, by assessing whether the presence of MTSS is related to periosteal, bony or tendinous abnormalities in the lower leg. DESIGN: Case-control study. METHODS: Participants with MTSS and athletic control participants were recruited from the same (high-risk) base population...
July 18, 2016: Journal of Science and Medicine in Sport
Karin Hummel, Jamie Brown, Marc C Willemsen, Robert West, Daniel Kotz
BACKGROUND: The Motivation To Stop Scale (MTSS) is a single-item instrument which has been shown to predict quit attempts in the next 6 months in a previous validation study conducted in England. The aim of the current study was to determine the external validity of the MTSS among Dutch smokers in predicting quit attempts in the next 12 months. A secondary aim was to compare the discriminative accuracy of the MTSS with that of a Stages of Change assessment. METHODS: We analysed data from three consecutive waves of the International Tobacco Control (ITC) Netherlands Survey (n = 1272)...
July 24, 2016: European Journal of Public Health
Laura M Breshears, Aaron N Gillman, Christopher S Stach, Patrick M Schlievert, Marnie L Peterson
Secreted factors of Staphylococcus aureus can activate host signaling from the epidermal growth factor receptor (EGFR). The superantigen toxic shock syndrome toxin-1 (TSST-1) contributes to mucosal cytokine production through a disintegrin and metalloproteinase (ADAM)-mediated shedding of EGFR ligands and subsequent EGFR activation. The secreted hemolysin, α-toxin, can also induce EGFR signaling and directly interacts with ADAM10, a sheddase of EGFR ligands. The current work explores the role of EGFR signaling in menstrual toxic shock syndrome (mTSS), a disease mediated by TSST-1...
2016: PloS One
Yong-Gang Xia, Jun Liang, Guo-Yu Li, Bing-You Yang, Hai-Xue Kuang
Malonyl-triterpene saponins (MTSs) attract scientific attentions due to their structural diversities and valuable bioactivities. However, its thermal instability brings a huge amount of challenges for isolation and purification of this class of compounds. To our best knowledge, there has been no report on isolation and analysis of MTSs from genus Caulophyllum. In this study, a strategy combining data acquisition using an energy-resolved technique and the narrow widow extracted ion chromatograms as data mining method, was developed for discovery and identification of MTSs in C...
July 6, 2016: Journal of Mass Spectrometry: JMS
P Emery, C O Bingham, G R Burmester, V P Bykerk, D E Furst, X Mariette, D van der Heijde, R van Vollenhoven, C Arendt, I Mountian, O Purcaru, D Tatla, B VanLunen, M E Weinblatt
OBJECTIVES: To assess the efficacy and safety of certolizumab pegol (CZP)+dose-optimised methotrexate (MTX) versus placebo (PBO)+dose-optimised MTX in inducing and sustaining clinical remission in DMARD-naïve patients with moderate-to-severe, active, progressive rheumatoid arthritis (RA), with poor prognostic factors over 52 weeks. METHODS: DMARD-naïve patients with ≤1 year of active RA were randomised (3:1) in a double-blind manner to CZP (400 mg Weeks 0, 2, 4, then 200 mg Q2W to Week 52)+MTX or PBO+MTX (the mean optimised-MTX dose=21 and 22 mg/week, respectively)...
May 10, 2016: Annals of the Rheumatic Diseases
Kei Akiyama, Ryota Akagi, Kuniaki Hirayama, Norikazu Hirose, Hideyuki Takahashi, Toru Fukubayshi
This study aimed to investigate the in vivo kinematics of shear modulus of the lower leg muscles in patients with medial tibial stress syndrome (MTSS). The study population included 46 limbs with MTSS and 40 healthy limbs. The shear modulus of the medial head of the gastrocnemius, lateral head of the gastrocnemius, soleus, peroneus longus and tibialis anterior muscles were measured using shear wave ultrasound elastography. As a result, the shear modulus of the lower leg muscles was significantly greater in patients with MTSS than in healthy patients (p < 0...
August 2016: Ultrasound in Medicine & Biology
Tomohiro Koga, Akitomo Okada, Takaaki Fukuda, Toshihiko Hidaka, Tomonori Ishii, Yukitaka Ueki, Takao Kodera, Munetoshi Nakashima, Yuichi Takahashi, Seiyo Honda, Yoshiro Horai, Ryu Watanabe, Hiroshi Okuno, Toshiyuki Aramaki, Tomomasa Izumiyama, Osamu Takai, Taiichiro Miyashita, Shuntaro Sato, Shin-Ya Kawashiri, Naoki Iwamoto, Kunihiro Ichinose, Mami Tamai, Tomoki Origuchi, Hideki Nakamura, Kiyoshi Aoyagi, Katsumi Eguchi, Atsushi Kawakami
To determine prognostic factors of clinically relevant radiographic progression (CRRP) in patients with rheumatoid arthritis (RA) in clinical practice.We performed a multicenter prospective study in Japan of biological disease-modifying antirheumatic drug (bDMARD)-naive RA patients with moderate to high disease activity treated with conventional synthetic DMARDs (csDMARDs) at study entry. We longitudinally observed 408 patients for 1 year and assessed disease activity every 3 months. CRRP was defined as yearly progression of modified total Sharp score (mTSS) > 3...
April 2016: Medicine (Baltimore)
Ato Ampomah Brown
Objective. The purpose of this study was to examine the relationship between the location of the MTSS pain (posteromedial border of tibia) and the muscles that originate from that site. Method. The study was conducted in the Department of Anatomy of the School of Medical Sciences, University of Cape Coast, and involved the use of 22 cadaveric legs (9 paired and 4 unpaired) from 11 males and 2 females. Findings. The structures that were thus observed to attach directly to the posteromedial border of the tibia were the soleus, the flexor digitorum longus, and the deep crural fascia...
2016: Scientifica
Désirée van der Heijde, Robert B Landewé, Philip J Mease, Iain B McInnes, Philip G Conaghan, Luminita Pricop, Greg Ligozio, Hanno B Richards, Shephard Mpofu
OBJECTIVE: To assess whether secukinumab treatment in patients with active psoriatic arthritis (PsA) is associated with sustained inhibition of radiographic progression. METHODS: In this phase III, double-blind, placebo-controlled study, 606 patients with PsA were randomized to receive intravenous (IV) secukinumab at a dose of 10 mg/kg (weeks 0, 2, 4) followed by subcutaneous secukinumab at a dose of 150 mg or 75 mg (the IV→150 mg and IV→75 mg groups, respectively) or placebo...
August 2016: Arthritis & Rheumatology
Ganesh N Dakhale, Sumit S Wankhede, Mohini S Mahatme, Sachin K Hiware, Dharmendra B Mishra, Sujata S Dudhgaonkar
OBJECTIVE: To compare efficacy, safety and cost-effectiveness of rupatadine and olopatadine in patients of chronic spontaneous urticaria. MATERIALS AND METHODS: A 6-week, single-centered, randomized, double blind, parallel group comparative clinical study was conducted on patients with chronic spontaneous urticaria. Following inclusion and exclusion criteria, 60 patients were recruited and were randomized to two treatment groups and received the respective drugs for 6 weeks...
January 2016: Indian Journal of Dermatology
Yasuhiko Hirabayashi, Yasuhiko Munakata, Masayuki Miyata, Yukitomo Urata, Koichi Saito, Hiroshi Okuno, Masaaki Yoshida, Takao Kodera, Ryu Watanabe, Seiya Miyamoto, Tomonori Ishii, Shigeshi Nakazawa, Hiromitsu Takemori, Takanobu Ando, Takashi Kanno, Masataka Komagamine, Ichiro Kato, Yuichi Takahashi, Atsushi Komatsuda, Kojiro Endo, Chihiro Murai, Yuya Takakubo, Takao Miura, Yukio Sato, Kazunobu Ichikawa, Tsuneo Konta, Noriyuki Chiba, Tai Muryoi, Hiroko Kobayashi, Hiroshi Fujii, Yukio Sekiguchi, Akira Hatakeyama, Ken Ogura, Hirotake Sakuraba, Tomoyuki Asano, Hiroshi Kanazawa, Eiji Suzuki, Satoshi Takasaki, Kenichi Asakura, Kota Sugisaki, Yoko Suzuki, Michiaki Takagi, Takahiro Nakayama, Hiroshi Watanabe, Keiki Miura, Yu Mori
OBJECTIVE: To evaluate the clinical and structural efficacy of tocilizumab (TCZ) during its long-term administration in patients with rheumatoid arthritis (RA). METHODS: In total, 693 patients with RA who started TCZ therapy were followed for 3 years. Clinical efficacy was evaluated by DAS28-ESR and Boolean remission rates in 544 patients. Joint damage was assessed by calculating the modified total Sharp score (mTSS) in 50 patients. RESULTS: When the reason for discontinuation was limited to inadequate response or adverse events, the 1-, 2-, and 3-year continuation rates were 84...
April 21, 2016: Modern Rheumatology
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