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https://www.readbyqxmd.com/read/28092926/effect-of-gravity-and-microgravity-on-intracranial-pressure
#1
Justin S Lawley, Lonnie G Petersen, Erin J Howden, Satyam Sarma, William K Cornwell, Rong Zhang, Louis A Whitworth, Michael A Williams, Benjamin D Levine
Astronauts have recently been discovered to have impaired vision, with a presentation that resembles syndromes of elevated intracranial pressure (ICP). This syndrome is considered the most mission critical medical problem identified in the past decade of manned spaceflight. We recruited five men and three women who had an Ommaya reservoir inserted for the delivery of prophylactic central nervous system chemotherapy, but were free of their malignant disease for at least 1 year. ICP was assessed by placing a fluid-filled 25 ga butterfly needle into the Ommaya reservoir...
January 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28092913/umbilical-venous-catheter-malposition-is-associated-with-necrotizing-enterocolitis-in-premature-infants
#2
Mustafa Sulemanji, Khashayar Vakili, David Zurakowski, Wayne Tworetzky, Steven J Fishman, Heung Bae Kim
OBJECTIVE: The etiology of necrotizing enterocolitis (NEC) remains elusive despite known associations with several factors, including intestinal ischemia related to the effects of umbilical arterial catheterization on the mesenteric circulation. However, the role of the mesenteric venous circulation has yet to be studied as a potential cause of NEC. We examined the association between umbilical venous catheter (UVC) position and the development of NEC in premature infants. DESIGN: A prospective cohort study was performed to examine the effect of UVC on portosystemic shunting via the ductus venosus (DV) and its potential role in NEC...
January 17, 2017: Neonatology
https://www.readbyqxmd.com/read/28092910/effects-of-in-utero-and-postnatal-exposure-to-secondhand-smoke-on-lung-function-by-gender-and-asthma-status-the-seven-northeastern-cities-snec-study
#3
Li-Wen Hu, Mo Yang, Shu Chen, Kuntal Shah, Yismaw Hailegiorgis, Richai Burgens, Michael Vaughn, Jin Huang, Pamela Xaverius, Gunther Paul, Lidia Morawska, Tao Lu, Shao Lin, Shou-Qiang Zhong, Min-Li Kong, Yan-Qi Xie, Yuan-Tao Hao, Xiao-Wen Zeng, Zhengmin Qian, Guang-Hui Dong
BACKGROUND: Little information exists on whether gender or asthma status modifies the effects of secondhand smoke (SHS) exposure on lung function. OBJECTIVE: To evaluate whether gender or asthma status modifies the association of SHS exposure with lung function. METHODS: A total of 6,740 children (average 11.6 years) were recruited from 24 districts of 7 cities in northeast China in 2012. SHS exposure included exposure to environmental and maternal smoking both in utero and during early childhood (postnatal)...
January 17, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28092866/transmembrane-tumor-necrosis-factor-%C3%AE-promotes-the-recruitment-of-mdscs-to-tumor-tissue-by-upregulating-cxcr4-expression-via-tnfr2
#4
Hongping Ba, Baihua Li, Xiaoyan Li, Cheng Li, Anlin Feng, Yazhen Zhu, Jing Wang, Zhuoya Li, Bingjiao Yin
Myeloid-derived suppressor cells (MDSCs) accumulated in tumor sites promote immune evasion. We found that TNFR deficiency-induced rejection of transplanted tumor was accompanied with markedly decreased accumulation of MDSCs. However, the mechanism(s) behind this phenomenon is not completely understood. Here, we demonstrated that TNFR deficiency did not affect the amount of MDSCs in bone marrow (BM), but decreased accumulation of Gr-1(+)CD11b(+) MDSCs in the spleen and tumor tissues. The chemotaxis of Tnfr(-/-) MDSCs was prominently decreased in response to both tumor cell culture supernatants and tumor tissue homogenates from Tnfr(-/-) and wild-type mice, indicating an effect of TNFR signaling on chemokine receptor expression in MDSCs...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28092790/comparison-of-quality-of-life-in-homeless-and-non-homeless-chinese-patients-with-psychiatric-disorders
#5
Xiao-Lan Cao, Yan-Nan Fu, Fu-Jun Jia, Helen F K Chiu, Gabor S Ungvari, Chee H Ng, Cai-Lan Hou, Yong-Qiang Lin, Xiao-Bin Zhong, Xiang-Min Liu, Larina C L Yim, Yu-Tao Xiang
To date, there are no data on quality of life (QOL) and its correlates in homeless Chinese patients with psychiatric disorders. This study aimed to compare QOL between homeless and non-homeless patients with psychiatric disorders in China. A total of 278 homeless and 222 non-homeless patients matched in age and gender were consecutively recruited. Socio-demographic and clinical data were collected from medical records. A clinical interview was conducted using standardized instruments. The physical and mental QOL in both groups were lower than the normative data for Chinese general population, but there was no significant difference in any QOL domain between the two groups...
January 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28092774/the-lonely-road-to-paranoia-a-path-analytic-investigation-of-loneliness-and-paranoia
#6
Fabian Lamster, Tania M Lincoln, Clara M Nittel, Winfried Rief, Stephanie Mehl
Loneliness and paranoia are related, but the mechanisms that link them to each other remain unclear. Systematic reviews on loneliness propose a social-cognitive model in which loneliness leads to negative evaluations of other persons and a lack of interpersonal trust. However, the data discussed in these reviews are based on healthy individuals. Building on this model, the present study investigated 1) whether negative interpersonal schemata mediate the association between loneliness and paranoia and 2) whether a low level of perceived social support and less frequent social contact are related to loneliness...
January 2, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28092739/an-emg-driven-biomechanical-model-of-the-canine-cervical-spine
#7
M Alizadeh, G G Knapik, J S Dufour, C Zindl, M J Allen, J Bertran, N Fitzpatrick, W S Marras
Due to the frequency of cervical spine injuries in canines, the purpose of this effort was to develop an EMG-driven dynamic model of the canine cervical spine to assess a biomechanical understanding that enables one to investigate the risk of neck disorders. A canine subject was recruited in this investigation in order to collect subject specific data. Reflective markers and a motion capture system were used for kinematic measurement; surface electrodes were used to record electromyography signals, and with the aid of force plate kinetics were recorded...
December 26, 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28092679/genome-wide-analysis-of-p53-regulated-transcription-in-myc-driven-lymphomas
#8
C Tonelli, M J Morelli, A Sabò, A Verrecchia, L Rotta, T Capra, S Bianchi, S Campaner, B Amati
The tumour suppressor p53 is a transcription factor that controls cellular stress responses. Here, we dissected the transcriptional programmes triggered upon restoration of p53 in Myc-driven lymphomas, based on the integrated analysis of p53 genomic occupancy and gene regulation. p53 binding sites were identified at promoters and enhancers, both characterized by the pre-existence of active chromatin marks. Only a small fraction of these sites showed the 20 base-pair p53 consensus motif, suggesting that p53 recruitment to genomic DNA was primarily mediated through protein-protein interactions in a chromatin context...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092668/upregulation-of-ret-induces-perineurial-invasion-of-pancreatic-adenocarcinoma
#9
M Amit, S Na'ara, L Leider-Trejo, Y Binenbaum, N Kulish, E Fridman, A Shabtai-Orbach, R J Wong, Z Gil
Tumor spread along nerves, a phenomenon known as perineurial invasion, is common in various cancers including pancreatic ductal adenocarcinoma (PDAC). Neural invasion is associated with poor outcome, yet its mechanism remains unclear. Using the transgenic Pdx-1-Cre/KrasG12D /p53R172H (KPC) mouse model, we investigated the mechanism of neural invasion in PDAC. To detect tissue-specific factors that influence neural invasion by cancer cells, we characterized the perineurial microenvironment using a series of bone marrow transplantation (BMT) experiments in transgenic mice expressing single mutations in the Cx3cr1, GDNF and CCR2 genes...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092606/molecular-characterization-and-expression-analysis-of-the-nlr-family-card-containing-five-transcripts-in-the-pig
#10
Q Y Yang, T Chen, Y B Chen, D L Lan
The NOD-like receptor (NLR) family caspase recruitment domain-containing 5 (NLRC5) is one of the newly discovered and largest NLR family members. The NLRC5 has recently received extensive attention because of its important role in regulating innate and adaptive immune responses. The NLRC5 in many vertebrates, such as humans, mice, cattle, and horses, has already been proven and studied. However, the NLRC5 gene characteristics of pigs remain unclear. Thus, we completely cloned the NLRC5 cDNA sequence of the pig using the rapid amplification of cDNA ends(RACE) technology...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092464/expectations-for-treatment-in-pediatric-weight-management-and-relationship-to-attrition
#11
Erinn T Rhodes, Richard E Boles, Kimberly Chin, Amy Christison, Elizabeth Getzoff Testa, Kimberly Guion, Mary Jane Hawkins, Carter R Petty, Bethany Sallinen Gaffka, Melissa Santos, Laura Shaffer, Jared Tucker, Sarah E Hampl
BACKGROUND: Attrition in pediatric weight management negatively impacts treatment outcomes. A potentially modifiable contributor to attrition is unmet family expectations. This study aimed to evaluate the association between adolescent and parent/guardian treatment expectations and attrition. PATIENTS AND METHODS: A prospective, nonrandomized, uncontrolled, single-arm pilot trial was conducted among 12 pediatric weight management programs in the Children's Hospital Association's FOCUS on a Fitter Future collaborative...
January 16, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28092405/thrombin-contributes-to-protective-immunity-in-pneumonia-derived-sepsis-via-fibrin-polymerization-and-platelet-neutrophil-interactions
#12
Theodora A M Claushuis, Sacha F de Stoppelaar, Ingrid Stroo, Joris J T H Roelofs, Roelof Ottenhoff, Tom van der Poll, Cornelis van 't Veer
BACKGROUND: Innate immunity and coagulation are closely linked during sepsis. Their interaction can be detrimental for outcome due to microvascular failure but can also enhance host defense. The role of thrombin herein has not been fully elucidated. OBJECTIVE: We aimed to investigate the contribution of thrombin to the host response during pneumonia derived sepsis. METHODS: Mice treated with the specific thrombin inhibitor Dabigatran or control chow were infected with the common human sepsis pathogen Klebsiella (K...
January 16, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28092401/randomized-clinical-trial-of-preoperative-oral-versus-intravenous-iron-in-anaemic-patients-with-colorectal-cancer
#13
B D Keeler, J A Simpson, O Ng, H Padmanabhan, M J Brookes, A G Acheson
BACKGROUND: Treatment of preoperative anaemia is recommended as part of patient blood management, aiming to minimize perioperative allogeneic red blood cell transfusion. No clear evidence exists outlining which treatment modality should be used in patients with colorectal cancer. The study aimed to compare the efficacy of preoperative intravenous and oral iron in reducing blood transfusion use in anaemic patients undergoing elective colorectal cancer surgery. METHODS: Anaemic patients with non-metastatic colorectal adenocarcinoma were recruited at least 2 weeks before surgery and randomized to receive oral (ferrous sulphate) or intravenous (ferric carboxymaltose) iron...
January 16, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28092399/association-of-dietary-patterns-with-global-and-domain-specific-cognitive-decline-in-chinese-elderly
#14
Yen-Ching Chen, Chien-Cheng Jung, Jen-Hau Chen, Jeng-Min Chiou, Ta-Fu Chen, Ya-Fang Chen, Sung-Chun Tang, Shin-Joe Yeh, Meei-Shyuan Lee
BACKGROUND: Significant differences exist between eastern and western diets, and the way in which Chinese dietary intake relates to specific cognitive domains remains unclear. We aimed to assess the association between dietary patterns (DPs) and cognitive decline in Chinese elderly. SETTING: Participants were recruited from the elderly health checkup program of a teaching hospital in Taipei, Taiwan. PARTICIPANTS: A total of 475 elders (age ≥65) were included in this prospective cohort study...
January 16, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28092365/cancer-cell-chemokines-direct-chemotaxis-of-activated-stellate-cells-in-pancreatic-ductal-adenocarcinoma
#15
Ishan Roy, Kathleen A Boyle, Emily P Vonderhaar, Noah P Zimmerman, Egal Gorse, A Craig Mackinnon, Rosa F Hwang, Janusz Franco-Barraza, Edna Cukierman, Susan Tsai, Douglas B Evans, Michael B Dwinell
The mechanisms by which the extreme desmoplasia observed in pancreatic tumors develops remain unknown and its role in pancreatic cancer progression is unsettled. Chemokines have a key role in the recruitment of a wide variety of cell types in health and disease. Transcript and protein profile analyses of human and murine cell lines and human tissue specimens revealed a consistent elevation in the receptors CCR10 and CXCR6, as well as their respective ligands CCL28 and CXCL16. Elevated ligand expression was restricted to tumor cells, whereas receptors were in both epithelial and stromal cells...
January 16, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28092264/centriolar-sas-7-acts-upstream-of-spd-2-to-regulate-centriole-assembly-and-pericentriolar-material-formation
#16
Kenji Sugioka, Danielle R Hamill, Joshua B Lowry, Marie E McNeely, Molly Enrick, Alyssa C Richter, Lauren E Kiebler, James R Priess, Bruce Bowerman
The centriole/basal body is a eukaryotic organelle that plays essential roles in cell division and signaling. Among five known core centriole proteins, SPD-2/Cep192 is the first recruited to the site of daughter centriole formation and regulates the centriolar localization of the other components in C. elegans and in humans. However, the molecular basis for SPD-2 centriolar localization remains unknown. Here we describe a new centriole component, the coiled-coil protein SAS-7, as a regulator of centriole duplication, assembly and elongation...
January 16, 2017: ELife
https://www.readbyqxmd.com/read/28092144/exergaming-boxing-versus-heavy-bag-boxing-are-these-equipotent-for-individuals-with-spinal-cord-injury
#17
Maziah Mat Rosly, Hadi Mat Rosly, Nazirah Hasnan, Glen M Davis, Ruby Husain
BACKGROUND: Current strategies for increased physical activity and exercise in individuals with spinal cord injury (SCI) face many challenges with regards to maintaining their continuity of participation. Barriers cited often include problems with accessing facilities, mundane, monotonous or boring exercises and expensive equipment that is often not adapted for wheelchair users. AIM: To compare the physiological responses and user preferences between conventional heavy bag boxing against a novel form of video game boxing, known as exergaming boxing...
January 13, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28092139/content-of-conventional-therapy-for-the-severely-affected-arm-during-subacute-rehabilitation-after-stroke-an-analysis-of-physiotherapy-and-occupational-therapy-practice
#18
Lex D de Jong, Frederike van Wijck, Roy E Stewart, Alexander C H Geurts, Pieter U Dijkstra
BACKGROUND AND PURPOSE: Physiotherapy (PT) and occupational therapy (OT) are key professions providing treatment for the arm after stroke; however, knowledge about the content of these treatments is scant. Detailed data are needed to replicate interventions, evaluate their effective components, and evaluate PT and OT practice. This paper describes PT and OT treatment for the severely affected arm in terms of duration, content according to components and categories of the International Classification of Human Functioning, Disability and Health, and to analyze differences between professions...
January 16, 2017: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
https://www.readbyqxmd.com/read/28092115/fecal-calprotectin-level-in-healthy-children-aged-less-than-4%C3%A2-years-in-south-korea
#19
Joo Young Song, Yoo Mi Lee, You Jin Choi, Su Jin Jeong
BACKGROUND: Fecal calprotectin (FC) is non-invasive inflammatory marker indicating various bowel diseases. However, the median-specific cut-off values and the standard deviations (SD) of the FC levels in each age group <4 years were not elucidated. METHODS: Healthy volunteers were enrolled from four kindergartens. A questionnaire was used to confirm that the children met the inclusion criteria, and several demographics and history of bowel symptoms were collected...
January 16, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28092106/a-randomised-controlled-trial-examining-the-effect-of-acupuncture-at-the-ex-hn3-yintang-point-on-pre-operative-anxiety-levels-in-neurosurgical-patients
#20
M D Wiles, J Mamdani, M Pullman, J C Andrzejowski
Pre-operative anxiety is an unpleasant state of psychological distress that occurs in up to 87% of patients awaiting neurosurgical procedures. Sedative medication is undesirable in this population due to the need for early postoperative neurological assessment. Acupuncture has previously been shown to reduce pre-operative anxiety, but studies involving neurosurgical patients are lacking. This single-centre, prospective, randomised controlled trial was designed to determine the effect of acupuncture at the EX-HN3 (Yintang point) on pre-operative anxiety levels in neurosurgical patients...
January 16, 2017: Anaesthesia
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