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https://www.readbyqxmd.com/read/28429751/preclinical-study-of-raav2-strail-pharmaceutical-efficacy-biodistribution-and-safety-in-animals
#1
Q Ru, W Li, X Wang, S Zhang, L Chen, Y Zhang, Y Ge, Y Zu, Y Liu, D Zheng
The recombinant sTRAIL has been in clinical trial for various human malignancies. However, the half-life time of sTRAIL is very short, which might be an important factor influencing its clinical efficacy for cancer therapy. We previously reported the recombinant adeno-associated virus (AAV)-encoding sTRAIL95-281-mediated sTRAIL expression in vivo up to 8 months and suppressed tumor growth markedly in mouse xenografts. In the present study, we further evaluated the clinical potency for cancer gene therapy and the safety in mouse and non-human primates...
April 21, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28429340/controlled-prospective-observational-study-on-the-efficiency-and-tolerability-of-a-combination-of-potential-nrf2-inducing-antioxidants-and-micronutrients-as-pre-treatment-for-icsi-in-dyspermic-patients-with-previous-failure
#2
R Rago, M Gallo, A Dal Lago, E Licata, G Paciotti, M Amodei, C Meneghini, C Fabiani, G Dani, C Liberanome, D Antonaci, R Corno, D Miriello, G Giuffrida, B Giammusso
OBJECTIVE: To evaluate the efficiency of pre-treatment in dyspermic males in IVF couples with a combination of micronutrients, for the purpose of improving the fertilization rate, the implantation rate and the outcome of the pregnancy. PATIENTS AND METHODS: This controlled prospective clinical study was performed in two medically assisted reproduction centers. 59 males with mild oligo-astheno-teratospermia (OAT) were admitted to the study. All of them had a history of previous in vitro fertilization (IVF) attempts with female partners aged < 40 diagnosed having tubal or idiopathic infertility...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28429130/long-term-outcome-of-sacral-neuromodulation-for-chronic-refractory-constipation
#3
Yasuko Maeda, Michael A Kamm, Carolynne J Vaizey, Klaus E Matzel, Claes Johansson, Harald Rosen, Cornelius G Baeten, Søren Laurberg
PURPOSE: Sacral neuromodulation has been reported as a treatment for severe idiopathic constipation. This study aimed to evaluate the long-term effects of sacral neuromodulation by following patients who participated in a prospective, open-label, multicentre study up to 5 years. METHODS: Patients were followed up at 1, 3, 6, 12, 24, 36, 48 and 60 months. Symptoms and quality of life were assessed using bowel diary, the Cleveland Clinic constipation score and the Short Form-36 quality-of-life scale...
April 20, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28427417/novel-trigenic-cacna1c-des-mypn-mutations-in-a-family-of-hypertrophic-cardiomyopathy-with-early-repolarization-and-short-qt-syndrome
#4
Yanhong Chen, Hector Barajas-Martinez, Dongxiao Zhu, Xihui Wang, Chonghao Chen, Ruijuan Zhuang, Jingjing Shi, Xueming Wu, Yijia Tao, Weidong Jin, Xiaoyan Wang, Dan Hu
BACKGROUND: Hypertrophic cardiomyopathy (HCM) patients with early repolarization (ER) pattern are at higher risk of ventricular arrhythmia, yet the genetic background of this situation has not been well investigated. Here we report novel trigenic mutations detected in a Chinese family of obstructive HCM with ER and short QT syndrome (SQTS). METHODS: Proband and family members underwent detailed medical assessments. DNAs were extracted from peripheral blood leukocytes for genetic screening with next generation method...
April 20, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28426371/optimization-of-preculture-conditions-to-maximize-the-in-vivo-performance-of-cell-seeded-engineered-intervertebral-discs
#5
John T Martin, Sarah E Gullbrand, Bhavana Mohanraj, Beth G Ashinsky, Dong Hwa Kim, Kensuke Ikuta, Dawn M Elliott, Lachlan J Smith, Robert L Mauck, Harvey E Smith
The development of engineered tissues has progressed over the past 20 years from in vitro characterization to in vivo implementation. For musculoskeletal tissue engineering in particular, the emphasis of many of these studies was to select conditions that maximized functional and compositional gains in vitro. However, the transition from the favorable in vitro culture environment to a less favorable in vivo environment has proven difficult, and, in many cases, engineered tissues do not retain their preimplantation phenotype after even short periods in vivo...
April 19, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28425054/can-a-three-component-prosthesis-be-used-for-conversion-of-painful-ankle-arthrodesis-to-total-ankle-replacement
#6
Markus Preis, Travis Bailey, Lucas S Marchand, Alexej Barg
BACKGROUND: In patients with painful ankle arthrodesis, the surgical treatment is challenging, and may include takedown of ankle arthrodesis and conversion to a total ankle replacement (TAR). This procedure is technically demanding given the altered anatomy after arthrodesis. Few studies have evaluated TAR in the setting of prior arthrodesis. QUESTIONS/PURPOSES: (1) What intraoperative and perioperative complications were observed in patients who underwent conversion of an ankle arthrodesis to a TAR? (2) Was durable fixation achieved at short term, and what was the alignment of the components? (3) What subsequent surgical procedures were performed, including revisions? (4) What improvements were observed in pain, tibiotalar range of motion (ROM), and quality of life? METHODS: Between January 2007 and December 2014, 18 patients with a painful ankle arthrodesis underwent conversion to TAR at our tertiary referral center...
April 19, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28423509/histone-lysine-methyltransferase-g9a-is-a-novel-epigenetic-target-for-the-treatment-of-hepatocellular-carcinoma
#7
Masayuki Yokoyama, Tetsuhiro Chiba, Yoh Zen, Motohiko Oshima, Yuko Kusakabe, Yoshiko Noguchi, Kaori Yuki, Shuhei Koide, Shiro Tara, Atsunori Saraya, Kazumasa Aoyama, Naoya Mimura, Satoru Miyagi, Masanori Inoue, Toru Wakamatsu, Tomoko Saito, Sadahisa Ogasawara, Eiichiro Suzuki, Yoshihiko Ooka, Akinobu Tawada, Masayuki Otsuka, Masaru Miyazaki, Osamu Yokosuka, Atsushi Iwama
Histone H3 lysine 9 dimethylation (H3K9me2) is mainly regulated by the histone lysine methyltransferase G9a and is associated with the repression of transcription. However, both the role of G9a and the significance of H3K9me2 in hepatocellular carcinoma (HCC) cells remain unclear. In this study, we conducted loss-of-function assay of G9a using short-hairpin RNA and pharmacological interference. Knockdown of G9a reduced H3K9me2 levels and impaired both HCC cell growth and sphere formation. However, transforming growth factor β1-induced epithelial mesenchymal transition (EMT) was not suppressed by G9a knockdown...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423237/assessment-of-vascular-response-to-bioss-lim-c-%C3%A2-stents-vs-orsiro-%C3%A2-stents-in-the-porcine-coronary-artery-model
#8
Jacek Bil, Robert J Gil, Tomasz Pawlowski, Krzysztof P Milewski
AIMS: The optimal treatment strategy for coronary bifurcation lesions is still unknown. The aim of the study was to assess applicability of the new cobalt-chromium version of the sirolimus-eluting dedicated bifurcation BiOSS(®) LIM C stent in comparison with regular sirolimus-eluting Orsiro(®)  stent in a porcine coronary model. METHODS: A total of 13 BiOSS(®) LIM C stents and 6 Orsiro(®) stents were implanted in normal non-atherosclerotic porcine straight coronary arteries of six animals using 1...
April 19, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28422380/comparing-the-long-acting-and-short-acting-forms-of-gonadotropin-releasing-hormone-agonists-in-the-long-protocol-of-ivf-icsi-cycles-a-retrospective-study
#9
Liyan Duan, Shihua Bao, Kunming Li, Xiaoming Teng, Ling Hong, Xiaoyu Zhao
AIM: This study aimed to compare the efficacy of long- and short-acting gonadotropin-releasing hormone agonist on clinical outcomes of in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) long protocol cycles. METHODS: In this retrospective study, 478 patients were enrolled from October 2012 to November 2014. The pituitary downregulation result, serum hormone levels, gonadotropin (Gn) dose during controlled ovarian hyperstimulation, and outcome of IVF/ICSI-embryo transfer were compared between the two groups...
April 19, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28420761/in-situ-measurements-of-tensile-forces-in-the-tibialis-anterior-tendon-of-the-rat-in-concentric-isometric-and-resisted-co-contractions
#10
Martin Schmoll, Ewald Unger, Hazel Sutherland, Michael Haller, Manfred Bijak, Hermann Lanmüller, Jonathan C Jarvis
Tensile-force transmitted by the tibialis anterior (TA) tendon of 11 anesthetized adult male Wistar rats (body-mass: 360.6 ± 66.3 g) was measured in-situ within the intact biomechanical system of the hind-limb using a novel miniature in-line load-cell. The aim was to demonstrate the dependence of the loading-profile experienced by the muscle, on stimulation-frequency and the resistance to shortening in a group of control-animals. Data from these acute-experiments shows the type of loading achievable by means of implantable electrical stimulators activating agonists or agonist/antagonist groups of muscles during programmed resistance-training in freely moving healthy subjects...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28420291/a-study-of-long-term-stability-and-antimicrobial-activity-of-chlorhexidine-polyhexamethylene-biguanide-and-silver-nanoparticle-incorporated-in-sericin-based-wound-dressing
#11
Sumate Ampawong, Pornanong Aramwit
In this study, three kinds of antiseptics which were 0.05% chlorhexidine, 0.2% polyhexamethylene biguanide (PHMB), or 200 ppm silver nanoparticle was introduced to incorporate in the sericin-based scaffold to produce the antimicrobial dressing for the treatment of infected chronic wound. The effects of antiseptic incorporation on the stability, release of sericin, and short-term and long-term (6 months) antimicrobial activity of the sericin dressing against gram-negative and gram-positive bacteria were investigated...
April 19, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28419300/short-term-mechanical-circulatory-support-for-cardiogenic-shock-in-severe-peripartum-cardiomyopathy-la-piti%C3%A3-salp%C3%A3%C2%AAtri%C3%A3-re-experience
#12
Nadia Bouabdallaoui, Pierre Demondion, Pascal Leprince, Guillaume Lebreton
OBJECTIVES: Mechanical circulatory support (MCS) is a valuable option in the setting of cardiogenic shock (CS), although MCS use in severe forms of peripartum cardiomyopathy (PPCM) is underreported. We aimed to investigate maternal outcomes under MCS for refractory CS complicating PPCM. METHODS: We retrospectively reviewed 10 consecutive patients (2010-2015) meeting diagnosis criteria of PPCM that were managed with peripheral veno-arterial extracorporeal membrane oxygenation (pVA-ECMO) for severe CS...
April 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28417150/torpor-patterns-in-common-hamsters-with-and-without-access-to-food-stores
#13
Carina Siutz, Eva Millesi
Hibernating species significantly reduce energy expenditure during winter by entering torpor. Nevertheless, the various benefits of hibernation might be counteracted by negative effects of torpor such as immune depression, oxidative stress, or neuronal impairment. Considering these trade-offs, adequate energy reserves could allow animals to reduce the time spent in torpor or the extent of metabolic depression. Common hamsters use food stores during hibernation and previously documented high individual variations in body temperature patterns during winter could, therefore, be related to differences in external energy reserves...
April 17, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28416987/importance-of-exercise-testing-shortly-after-subcutaneous-implantable-cardioverter-defibrillator-implantation-in-patients-with-brugada-syndrome-the-first-case-of-associated-inappropriate-shock-in-japan
#14
Kohei Ishibashi, Takashi Noda, Tsukasa Kamakura, Mitsuru Wada, Yuko Inoue, Hideo Okamura, Kengo Kusano
We report the case of a 51-year-old patient with Brugada syndrome (BrS) who experienced inappropriate shock due to T-wave oversensing (TWOS) during exercise when the optimal sensing vector was selected based on the automatic analysis by a subcutaneous implantable cardioverter-defibrillator (S-ICD). After selecting another vector during exercise testing, TWOS did not re-occur. Selection of appropriate sensing vector based on analyses under various conditions, including during exercise after S-ICD implantation, should be considered for patients with BrS...
April 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28414968/investigating-the-correlation-between-short-term-effectiveness-of-vns-therapy-in-reducing-the-severity-of-seizures-and-long-term-responsiveness
#15
Maryam Ravan
VNS (Vagus Nerve Stimulation) Therapy(®) is an adjunctive therapy for patients with medically refractory epilepsy. The primary metric used to assess response to any treatment for epilepsy is seizure frequency reduction as measured using seizure diaries. In addition to seizure frequency, reduction in seizure severity is clinically meaningful to patients and can be measured objectively. Analysis of electro-encephalographic (EEG) signals has revealed that seizures are accompanied by spatial synchronization of EEG electrodes that may persist for several minutes after the seizure...
April 11, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28412434/a-highly-predictive-risk-model-for-pacemaker-implantation-after-tavr
#16
Yoshio Maeno, Yigal Abramowitz, Hiroyuki Kawamori, Yoshio Kazuno, Shunsuke Kubo, Nobuyuki Takahashi, Geeteshwar Mangat, Kazuaki Okuyama, Mohammad Kashif, Tarun Chakravarty, Mamoo Nakamura, Wen Cheng, John Friedman, Daniel Berman, Raj R Makkar, Hasan Jilaihawi
OBJECTIVES: This study sought to develop a robust and definitive risk model for new permanent pacemaker implantation (PPMI) after SAPIEN 3 (third generation balloon expandable valve) (Edwards Lifesciences, Irvine, California) transcatheter aortic valve replacement (third generation balloon expandable valve TAVR), including calcification in the aortic-valvular complex (AVC). BACKGROUND: The association between calcium in the AVC and need for PPMI is poorly delineated after third generation balloon expandable valve TAVR...
April 7, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28412189/mean-5-year-follow-up-for-suture-button-suspensionplasty-in-the-treatment-of-thumb-carpometacarpal-joint-osteoarthritis
#17
Jeffrey Yao, Andre Eu-Jin Cheah
PURPOSE: Suture button suspensionplasty (SBS) has been used to treat thumb carpometacarpal joint osteoarthritis (CMC joint OA). Although promising short-term outcomes have been reported, no outcomes beyond 4 years have been published. The aim of this article is to report intermediate outcomes of SBS. METHODS: We reviewed the charts of 14 patients who underwent 16 SBS procedures for symptomatic thumb CMC joint OA. We recorded demographic data, preoperative Eaton stage, length of follow-up, Quick-Disabilities of the Arm, Shoulder, and Hand questionnaire scores, as well as pinch strength, grip strength, range of motion, and metacarpal subsidence...
April 12, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28411456/urinary-bladder-injury-during-cesarean-delivery-maternal-outcome-from-a-contemporary-large-case-series
#18
Lina Salman, Shachar Aharony, Anat Shmueli, Arnon Wiznitzer, Rony Chen, Rinat Gabbay-Benziv
BACKGROUND: Urinary bladder injury is a rare complication during cesarean delivery. Little is known on maternal outcome following this injury. OBJECTIVE: To evaluate short and long-term maternal outcome following bladder injury during cesarean delivery. STUDY DESIGN: A retrospective case series of all pregnancies complicated by full-thickness bladder injury during cesarean delivery in a single university affiliated tertiary medical center (August 2007-June 2016)...
April 5, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28411322/i-can-hear-my-shunt-audible-noises-associated-with-csf-shunts-in-hydrocephalic-patients
#19
Stefanie Kaestner, Amina Fraij, Wolfgang Deinsberger, Christian Roth
BACKGROUND: Cerebrospinal fluid (CSF) shunts are life-long implants, and patients have reported anecdotally on noises associated with their shunts. There is, however, a marked lack of information regarding acoustic phenomena related to CSF shunts. METHODS: We identified all patients who had been treated or followed in our neurosurgical department within a 15-year period from January 2000 up to the end of 2014. After approval of the local ethics committee all patients who were cognitively intact were explored by a questionnaire and by personal interview about acoustic phenomena related to their shunts...
April 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28409730/chronic-multisite-brain-recordings-from-a-totally-implantable-bidirectional-neural-interface-experience-in-5-patients-with-parkinson-s-disease
#20
Nicole C Swann, Coralie de Hemptinne, Svjetlana Miocinovic, Salman Qasim, Jill L Ostrem, Nicholas B Galifianakis, Marta San Luciano, Sarah S Wang, Nathan Ziman, Robin Taylor, Philip A Starr
OBJECTIVE Dysfunction of distributed neural networks underlies many brain disorders. The development of neuromodulation therapies depends on a better understanding of these networks. Invasive human brain recordings have a favorable temporal and spatial resolution for the analysis of network phenomena but have generally been limited to acute intraoperative recording or short-term recording through temporarily externalized leads. Here, the authors describe their initial experience with an investigational, first-generation, totally implantable, bidirectional neural interface that allows both continuous therapeutic stimulation and recording of field potentials at multiple sites in a neural network...
April 14, 2017: Journal of Neurosurgery
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