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https://www.readbyqxmd.com/read/28103990/-effects-of-human-amniotic-epithelial-stem-cells-derived-exosomes-on-healing-of-wound-with-full-thickness-skin-defect-in-rats
#1
B Zhao, G F Wu, Y J Zhang, W Zhang, F F Yang, D Xiao, K X Zeng, J H Shi, L L Su, D H Hu
Objective: To investigate the effects of human amniotic epithelial stem cells-derived exosomes on healing of wound with full-thickness skin defect in rats. Methods: (1) Human amniotic epithelial stem cells were isolated from the amnion tissue of 5 full-term pregnant women in Department of Obstetrics of our hospital by the method of trypsin digestion, and their morphology was observed. The third passage of cells were stained with rhodamine-phalloidin for cytoskeleton observation. The third passage of cells were identified with flow cytometry through the detection of expressions of cell surface markers CD29, CD31, CD34, CD90, CD105, SSEA3, SSEA4 and immunity-related marker human leukocyte antigen-D related site (HLA-DR)...
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28099135/mycoplasma-ureaplasma-infection-in-pregnancy-to-screen-or-not-to-screen
#2
Gilbert G G Donders, Kateryna Ruban, Gert Bellen, Ljubomir Petricevic
Mycoplasmata have been linked to pregnancy complications and neonatal risk. While formerly a limited number of species could be discovered by cultures, molecular biology nowadays discovers both lower quantities and more diverse species, making us realize that mycoplasmata are ubiquitous in the vaginal milieu and do not always pose a danger for pregnant women. As the meaning of mycoplasmata in pregnancy is not clear to many clinicians, we summarized the current knowledge about the meaning of different kinds of mycoplasmata in pregnancy and discuss the potential benefits and disadvantages of treatment...
January 18, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28096328/dynamic-pin-formed-auxin-efflux-carrier-phosphorylation-at-the-plasma-membrane-controls-auxin-efflux-dependent-growth
#3
Benjamin Weller, Melina Zourelidou, Lena Frank, Inês C R Barbosa, Astrid Fastner, Sandra Richter, Gerd Jürgens, Ulrich Z Hammes, Claus Schwechheimer
The directional distribution of the phytohormone auxin is essential for plant development. Directional auxin transport is mediated by the polarly distributed PIN-FORMED (PIN) auxin efflux carriers. We have previously shown that efficient PIN1-mediated auxin efflux requires activation through phosphorylation at the four serines S1-S4 in Arabidopsis thaliana The Brefeldin A (BFA)-sensitive D6 PROTEIN KINASE (D6PK) and the BFA-insensitive PINOID (PID) phosphorylate and activate PIN1 through phosphorylation at all four phosphosites...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095323/pattern-recognitions-receptors-in-immunodeficiency-disorders
#4
Esameil Mortaz, Ian M Adcock, Payam Tabarsi, Ilad Alavi Darazam, Masoud Movassaghi, Johan Garssen, Hamidreza Jamaati, Aliakbar Velayati
Pattern recognition receptors (PRRs) recognize common microbial or host-derived macromolecules and have important roles in early activation and response of the immune system. Initiation of the innate immune response starts with the recognition of microbial structures called pathogen associated molecular patterns (PAMPs). Recognition of PAMPs is performed by germline-encoded receptors expressed mainly on immune cells termed pattern recognition receptors (PRRs). Several classes of pattern recognition receptors (PRRs) are involved in the pathogenesis of diseases, including Toll-like receptors (TLRs), C-type lectin receptors (CLRs), and Nod-like receptors (NLRs)...
January 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28086838/clinical-characteristics-of-genital-chlamydia-infection-in-pelvic-inflammatory-disease
#5
Sung Taek Park, Suk Woo Lee, Min Jeong Kim, Young Mo Kang, Hye Min Moon, Chae Chun Rhim
BACKGROUND: Chlamydia infection in acute pelvic inflammatory disease (PID) is associated with serious complications including ectopic pregnancy, tubal infertility, Fitz-Hugh-Curtis syndrome and tubo-ovarian abscess (TOA). This study compared clinical and laboratory data between PID with and without chlamydia infection. METHODS: The medical records of 497 women who were admitted with PID between 2002 and 2011 were reviewed. The patients were divided into two groups (PID with and without chlamydia infection), which were compared in terms of the patients' characteristics, clinical presentation, and laboratory findings, including inflammatory markers...
January 13, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28079749/should-female-partners-of-men-with-non-gonococcal-urethritis-negative-for-chlamydia-trachomatis-and-mycoplasma-genitalium-be-informed-and-treated-clinical-outcomes-from-a-partner-study-of-heterosexual-men-with-ngu
#6
Jason J Ong, Angela Sarumpaet, Eric P F Chow, Catriona Bradshaw, Marcus Chen, Tim Read, Christopher K Fairley
BACKGROUND: To determine if female partners of men with pathogen-negative non-gonococcal urethritis (NGU) are at risk of genital infection. METHODS: Secondary data analysis using health records from a large sexually transmitted disease clinic in Melbourne of 1710 men and their female partners attending on the same day from January 2006 to April 2015. Proportions of female partners with symptoms suggesting genital infection or pelvic inflammatory disease (PID) were determined for: (1) men with NGU and no Chlamydia trachomatis or Mycoplasma genitalium (referred to as pathogen-negative NGU) (n = 91); 2) men with urethral C...
February 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28072956/-clinical-and-immunological-analysis-of-the-patient-with-autoimmunity-due-to-germline-stat3-gain-of-function-mutation
#7
Y Ding, Y Zhang, Y P Wang, H Y Zhao, X M Chen, X H Xue, X M Bai, Y F An, Z Y Zhang, X M Tang, X D Zhao
Objective: To investigate the clinical and immunological laboratory features and gene mutation in a female patient who carried a germline gain-of-function mutation in STAT3. Method: A patient with lymphadenopathy and pancytopenia, visited the Department of Rheumatology and Immunology of Children's Hospital of Chongqing Medical University in May 2016. The clinical and laboratory characteristics, results of immunophenotyping and exome sequencing were analyzed retrospectively and related literature was reviewed...
January 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28072042/construct-validity-of-the-dsm-5-section-iii-maladaptive-trait-domains-in-older-adults
#8
Inge Debast, Gina Rossi, S P J van Alphen
The DSM-5 Section III model of personality disorders remains largely unexplored in older adults. More specifically, there is a need for further research on the generalizability of the five trait domains in old age. The development of a short operationalization to screen for maladaptive trait domains, the Personality Inventory for DSM-5 Brief Form (PID-5-BF), can stimulate the use of the alternative DSM-5 model in older adults by addressing the need for short instruments. The primary goal of this study was to examine the construct validity of the PID-5-BF by comparing its structural model and nomological network with the original PID-5 in terms of relations with domains of personality functioning and a gero-specific personality disorder indicator...
January 10, 2017: Journal of Personality Disorders
https://www.readbyqxmd.com/read/28072038/reliability-factor-structure-and-associations-with-measures-of-problem-relationship-and-behavior-of-the-personality-inventory-for-dsm-5-in-a-sample-of-italian-community-dwelling-adolescents
#9
Antonella Somma, Serena Borroni, Cesare Maffei, Laura E Giarolli, Kristian E Markon, Robert F Krueger, Andrea Fossati
In order to assess the reliability, factorial validity, and criterion validity of the Personality Inventory for DSM-5 (PID-5) among adolescents, 1,264 Italian high school students were administered the PID-5. Participants were also administered the Questionnaire on Relationships and Substance Use as a criterion measure. In the full sample, McDonald's ω values were adequate for the PID-5 scales (median ω = .85, SD = .06), except for Suspiciousness. However, all PID-5 scales showed average inter-item correlation values in the ...
January 10, 2017: Journal of Personality Disorders
https://www.readbyqxmd.com/read/28054733/pain-underreporting-associated-with-profound-intellectual-disability-in-emergency-departments
#10
A Amor-Salamanca, J M Menchon
BACKGROUND: Little information is available regarding the visits made by persons with profound intellectual disability (PID) to general hospital emergency departments (ED). This study aims to know whether persons with PID who attend ED are given the same type of diagnoses as people with no such disability. METHODS: Over a period of 18 months, we gathered data from all non-scheduled visits to an ED by persons with PID to identify the reason for consultation (according to the classification used by the Spanish Society for Emergency Nursing) and the final diagnosis upon discharge...
January 5, 2017: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/28048248/su-f-t-44-a-comparison-of-the-pre-plan-intra-operative-plan-and-post-implant-dosimetry-for-a-prostate-implant-case-using-prefabricated-linear-polymer-encapsulated-pd-103
#11
R Sheu, A Powers, H McGee, R Stock, Y Lo
PURPOSE: To investigate the reproducibility and limitations of Pd-103 prostate brachytherapy using fixed length linear sources (CivaString). METHODS: An LDR prostate brachytherapy case which was preplanned on MR images with prefabricated linear polymer-encapsulated Pd-103 sources (CivaString) was studied and compared with ultrasound based intra-operative planning and CT based post-implant dosimetry. We evaluated the following parameters among the three studies: prostate geometry (volume and cross sectional area), needle position and alignment deviations, and dosimetry parameters (D90)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047474/su-f-j-10-sliding-mode-control-of-a-sma-actuated-active-flexible-needle-for-medical-procedures
#12
T Podder
PURPOSE: In medical interventional procedures such as brachytherapy, ablative therapies and biopsy precise steering and accurate placement of needles are very important for anatomical obstacle avoidance and accurate targeting. This study presents the efficacy of a sliding mode controller for Shape Memory Alloy (SMA) actuated flexible needle for medical procedures. METHODS: Second order system dynamics of the SMA actuated active flexible needle was used for deriving the sliding mode control equations...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28043294/-effects-of-huanglian-ointment-on-wound-healing-of-mice-with-full-thickness-skin-defect-and-the-related-mechanism
#13
X F Zhang, G F Sun, Y F Chen, J Y Ma, C F Gao, X Sheng, D X Feng
Objective: To observe the effects of Huanglian ointment on wound healing of mice with full-thickness skin defect, and to explore the related mechanism. Methods: Thirty male C57BL/6J mice were divided into Huanglian ointment group and vehicle group according to the random number table after round wounds of full-thickness skin defect with diameter of 7.5 mm were inflicted on the back of each mouse, with 15 mice in each group. Wounds of mice in Huanglian ointment group and vehicle group were treated with Huanglian ointment and vehicle respectively from post injury day (PID) 1 on, 2 times each day...
December 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28040931/a-peltier-cooling-diamond-anvil-cell-for-low-temperature-raman-spectroscopic-measurements
#14
Naoki Noguchi, Takuo Okuchi
A new cooling system using Peltier modules is presented for a low-temperature diamond anvil cell instrument. This cooling system has many advantages: it is vibration-free, low-cost, and compact. It consists of double-stacked Peltier modules and heat sinks, where a cooled ethylene glycol-water mixture flows through a chiller. Current is applied to the Peltier modules by two programmable DC power supplies. Sample temperature can be controlled within the range 210-300 K with a precision of ±0.1 K via a Proportional-Integral-Differential (PID) control loop...
December 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28029630/design-of-a-closed-loop-bidirectional-brain-machine-interface-system-with-energy-efficient-neural-feature-extraction-and-pid-control
#15
Xilin Liu, Milin Zhang, Andrew G Richardson, Timothy H Lucas, Jan Van der Spiegel
This paper presents a bidirectional brain machine interface (BMI) microsystem designed for closed-loop neuroscience research, especially experiments in freely behaving animals. The system-on-chip (SoC) consists of 16-channel neural recording front-ends, neural feature extraction units, 16-channel programmable neural stimulator back-ends, in-channel programmable closed-loop controllers, global analog-digital converters (ADC), and peripheral circuits. The proposed neural feature extraction units includes 1) an ultra low-power neural energy extraction unit enabling a 64-step natural logarithmic domain frequency tuning, and 2) a current-mode action potential (AP) detection unit with time-amplitude window discriminator...
December 16, 2016: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28025534/a-novel-controller-design-for-the-next-generation-space-electrostatic-accelerometer-based-on-disturbance-observation-and-rejection
#16
Hongyin Li, Yanzheng Bai, Ming Hu, Yingxin Luo, Zebing Zhou
The state-of-the-art accelerometer technology has been widely applied in space missions. The performance of the next generation accelerometer in future geodesic satellites is pushed to 8 × 10 - 13 m / s 2 / H z 1 / 2 , which is close to the hardware fundamental limit. According to the instrument noise budget, the geodesic test mass must be kept in the center of the accelerometer within the bounds of 56 pm / Hz 1 / 2 by the feedback controller. The unprecedented control requirements and necessity for the integration of calibration functions calls for a new type of control scheme with more flexibility and robustness...
December 23, 2016: Sensors
https://www.readbyqxmd.com/read/28005956/the-intelligent-control-system-and-experiments-for-an-unmanned-wave-glider
#17
Yulei Liao, Leifeng Wang, Yiming Li, Ye Li, Quanquan Jiang
The control system designing of Unmanned Wave Glider (UWG) is challenging since the control system is weak maneuvering, large time-lag and large disturbance, which is difficult to establish accurate mathematical model. Meanwhile, to complete marine environment monitoring in long time scale and large spatial scale autonomously, UWG asks high requirements of intelligence and reliability. This paper focuses on the "Ocean Rambler" UWG. First, the intelligent control system architecture is designed based on the cerebrum basic function combination zone theory and hierarchic control method...
2016: PloS One
https://www.readbyqxmd.com/read/28000208/when-to-initiate-immunoglobulin-replacement-therapy-igrt-in-antibody-deficiency-a-practical-approach
#18
REVIEW
Stephen Jolles, Helen Chapel, Jiri Litzman
Primary antibody deficiencies (PAD) constitute the majority of all primary immunodeficiency diseases (PID) and immunoglobulin replacement forms the mainstay of therapy for many patients in this category. Secondary antibody deficiencies (SAD) represents a larger and expanding number of patients resulting from the use of a wide range of immunosuppressive therapies, in particular those targeting B cells, and may also result from renal or gastrointestinal immunoglobulin losses. While there are clear similarities between primary and secondary antibody deficiencies, there are also significant differences...
December 21, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27991861/astrocytic-calcium-release-mediates-peri-infarct-depolarizations-in-a-rodent-stroke-model
#19
Cordula Rakers, Gabor C Petzold
Stroke is one of the most common diseases and a leading cause of death and disability. Cessation of cerebral blood flow (CBF) leads to cell death in the infarct core, but tissue surrounding the core has the potential to recover if local reductions in CBF are restored. In these areas, detrimental peri-infarct depolarizations (PIDs) contribute to secondary infarct growth and negatively affect stroke outcome. However, the cellular pathways underlying PIDs have remained unclear. Here, we have used in vivo multiphoton microscopy, laser speckle imaging of CBF, and electrophysiological recordings in a mouse model of focal ischemia to demonstrate that PIDs are associated with a strong increase of intracellular calcium in astrocytes and neurons...
December 19, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27990245/feedback-error-learning-controller-for-functional-electrical-stimulation-assistance-in-a-hybrid-robotic-system-for-reaching-rehabilitation
#20
Francisco Resquín, Jose Gonzalez-Vargas, Jaime Ibáñez, Fernando Brunetti, José Luis Pons
Hybrid robotic systems represent a novel research field, where functional electrical stimulation (FES) is combined with a robotic device for rehabilitation of motor impairment. Under this approach, the design of robust FES controllers still remains an open challenge. In this work, we aimed at developing a learning FES controller to assist in the performance of reaching movements in a simple hybrid robotic system setting. We implemented a Feedback Error Learning (FEL) control strategy consisting of a feedback PID controller and a feedforward controller based on a neural network...
June 13, 2016: European Journal of Translational Myology
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