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https://www.readbyqxmd.com/read/29036974/-the-impact-of-hydrogen-sulfide-on-the-heme-oxygenase-1-carbon-monoxide-system-in-coxsackie-virus-b3-induced-myocarditis-in-mice
#1
S Y Zhang, T T Wu, Y Ren, T H Xia, R Z Wu
Objective: To explore the impact of hydrogen sulfide (H(2)S) on the heme oxygenase-1/carbon monoxide pathway in Coxsackie virus B3 (CVB3)-induced murine myocarditis (VMC) model. Method: A total of 70 inbred male Balb/c mouse (4-6 weeks old) were randomized into the following four groups: Normal, VMC, PAG and NaHS (n=10 for Normal, n=20 for VMC, PAG and NaHS groups). Mice in Normal group were non-infected mice treated with intraperitoneal injection of sterile phosphate-buffered saline daily for 10 days.Mice in VMC group received intraperitoneal CVB3 injection (0...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29036796/intestinal-ischemia-reperfusion-leads-to-early-systemic-micro-rheological-and-multiorgan-microcirculatory-alterations-in-the-rat
#2
Anita Mester, Zsuzsanna Magyar, Viktoria Sogor, Bence Tanczos, Yoav Stark, Konstantin Cherniavsky, Laszlo Bidiga, Katalin Peto, Norbert Nemeth
BACKGROUND: Intestinal ischemia-reperfusion (I/R) is a potentially life-threatening situation and its pathomechanism is not fully understood yet. OBJECTIVE: To investigate the early micro-rheological, microcirculatory and morphological consequences of intestinal I/R in a rat model. METHODS: CD rats were anesthetized and subjected to Control (n = 7) or I/R (n = 7) groups. Left femoral artery cannulation and median laparotomy were performed...
October 7, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29036574/differential-expression-of-hypertensive-phenotypes-in-bxd-mouse-strains-in-response-to-angiotensin-ii
#3
Wenyuan Zhao, Tieqiang Zhao, Yuanjian Chen, Syamal K Bhattacharya, Lu Lu, Yao Sun
BACKGROUND: Besides environmental risk factors, genetic factors play a crucial role in the pathogenesis of primary hypertension. The current study is to unravel whether hypertensive phenotypes vary in mice with different genetic background. METHODS: Hypertension was induced in C57BL/6J (B6), DBA/2J (D2), and 25 BXD strains by administrating angiotensin (Ang)II (2.5 mg/kg/day infused by osmotic minipump) for 4 weeks. Systolic blood pressure was monitored before (baseline) and after 4 weeks of AngII treatment by tail cuff...
September 23, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29036213/the-value-of-real-time-continuous-glucose-monitoring-in-premature-infants-of-diabetic-mothers
#4
Hean-Pat Saw, Nai-Wei Yao, Cheng-Di Chiu, Jia-Yuh Chen
To determine the feasibility of using a real-time continuous glucose monitoring system (RTGMS) in intensive care units, our study focus on preterm infants with diabetic mothers owing to their high risk of blood sugar abnormalities. Thirty preterm babies (M = 15 and F = 15; ≤ 36 week gestation age) were studied from within 72 hours of delivery. These babies were admitted to the newborn intensive care and were further categorized into groups based on whether their mothers with or without diabetic mellitus. Blood sugar levels were monitored by both RTGMS and the traditional intermittent arterial line (A-Line) glucose method...
2017: PloS One
https://www.readbyqxmd.com/read/29035157/evaluation-of-serum-levels-of-c3-and-c4-complement-factors-in-patients-with-beta-thalassemia-major-in-khuzestan-province-southwest-iran
#5
Mehri Ghafourian, Mehrnosh Esmaeili, Alireza Sadeghi, Ali Malekei Naseri, Nader Dashti-Gerdabi
BACKGROUND AND OBJECTIVES: Thalassemia syndrome is the most common genetic disorder in the world and infection is the second cause of death in these patients. Measurement of serum C3 and C4 complement factors in serum was done in 60 patients with beta-thalassemia major in comparison with 30 healthy subjects as control group. MATERIALS AND METHODS: The serum level of C3 and C4 complement factors in 60 patients with beta-thalassemia major who were randomly selected from among the patients referred to Shafa Hospital of Ahvaz was evaluated and compared with 30 samples from healthy individuals with no history of recent infectious or autoimmune diseases...
October 16, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/29034747/long-term-supplementation-of-rhodiola-kirilowii-extracts-during-pregnancy-and-lactation-does-not-affect-mother-health-status
#6
Sławomir Lewicki, Ewa Skopińska-Różewska, Aneta Lewicka, Robert Zdanowski
Antibiotics treatment during pregnancy and lactation is problematic. The alternative to the antibiotic treatment is the use of plant-derived supplements, which stimulate immune system to prevent and eliminate bacterial infection. Here we evaluated the effect of long-term use of Rhodiola kirilowii on the health of mouse mothers. Pregnant mice were fed daily, for whole pregnancy and for 28 days after giving birth, with Rhodiola kirilowii water (RKW) or hydroalcoholic extract (RKW-A) (at 20 mg of extracts/kg)...
October 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29034301/effects-of-one-directional-pneumatic-tube-system-on-routine-hematology-and-chemistry-parameters-a-validation-study-at-a-tertiary-care-hospital
#7
A-Jin Lee, Hun Suk Suh, Chang-Ho Jeon, Sang-Gyung Kim
BACKGROUND: The validation of sample stability through pneumatic tube system (PTS) is essential. The objective of this study was to evaluate the effects of PTS transportation on laboratory results. METHODS: Paired EDTA and SST blood samples were collected from 56 randomly selected patients. Laboratory parameters were compared between PTS group and hand-delivered group. RESULTS: No statistical differences were observed for complete blood counts, white blood cell differential parameters, erythrocyte sedimentation rate and most chemistry parameters between PTS and hand-delivered transport procedures...
December 2017: Pract Lab Med
https://www.readbyqxmd.com/read/29034238/exploring-the-abnormal-modulation-of-the-autonomic-systems-during-nasal-flow-limitation-in-upper-airway-resistance-syndrome-by-hilbert-huang-transform
#8
Chen Lin, Men-Tzung Lo, Christian Guilleminault
Patients with nasal flow limitation and upper airway resistance syndrome (UARS) during sleep can present with low blood pressure and disturbing symptoms associated with hypervagotony. We hypothesized that the dynamic changes of the autonomic system related to inspiratory flow limitation can be quantified by the developed analytic technique applied on beat-to-beat heart rate (RR intervals) and finger photoplethysmography (PPG). METHOD: A breath-by-breath investigation based on the Hilbert-Huang transform was performed to explore autonomic nervous system changes observed during inspiratory flow limitation...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29033903/protective-effect-of-akkermansia-muciniphila-against-immune-mediated-liver-injury-in-a-mouse-model
#9
Wenrui Wu, Longxian Lv, Ding Shi, Jianzhong Ye, Daiqiong Fang, Feifei Guo, Yating Li, Xingkang He, Lanjuan Li
Accumulating evidence indicates that gut microbiota participates in the pathogenesis and progression of liver diseases. The severity of immune-mediated liver injury is associated with different microbial communities. Akkermansia muciniphila can regulate immunologic and metabolic functions. However, little is known about its effects on gut microbiota structure and function. This study investigated the effect of A. muciniphila on immune-mediated liver injury and potential underlying mechanisms. Twenty-two C57BL/6 mice were assigned to three groups (N = 7-8 per group) and continuously administrated A...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29033725/assessment-of-patient-controlled-analgesia-versus-intermittent-opioid-therapy-to-manage-sickle-cell-disease-vaso-occlusive-crisis-in-adult-patients
#10
Alaa Al-Anazi, Lowloa Al-Swaidan, Maha Al-Ammari, Tariq Al-Debasi, Abdulmalik M Alkatheri, Shmeylan Al-Harbi, Aiman A Obaidat, Abdulkareem M Al-Bekairy
BACKGROUND: Vaso-occlusive crisis (VOC) is one of the acute complications of sickle-cell disease (SCD). Treatment mainly relies on hydration and pain control by analgesics. The specific aim of this study was to assess potential health outcomes within the first 72 h of admission between intermittent and patient-controlled analgesia (PCA) by opioids among VOC patients. METHODS: A retrospective chart review study was conducted to determine SCD patients with VOC. Using the hospital electronic system, the following data were collected: patient's age, gender, blood pressure, heart rate, respiratory rate, oxygen saturation, and pain score on admission and daily for 3 days as well as the cumulative opioid analgesic dose for 72 h which is reported as morphine equivalent...
October 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/29032650/immunomodulatory-potential-of-weissella-cibaria-in-aged-c57bl-6j-mice
#11
Ho-Eun Park, Kyung-Won Kang, Bum-Seok Kim, Sang-Myeong Lee, Wan-Kyu Lee
Aging is associated with distinct changes in immune cells and a decline in immune function, leading to increased susceptibility to infection and reduced responses to vaccination. Certain strains of lactic acid bacteria exert beneficial effects on the immune system. Previously, we reported that Weissella cibaria JW15 isolated from kimchi possesses immune stimulatory activity in vitro. In the present study, we further investigated whether oral administration of JW15 improves immune function in aged mice. Eighteen-month-old female mice were administered JW15 daily at low (JW15-L; 1×10⁸ CFU/mouse) or high dosage (JW15-H; 1×10⁸ CFU/mouse), or with Lactobacillus rhamnosus GG using oral gavage...
October 14, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29032314/remodeling-of-arterial-wall-response-to-changes-in-both-blood-flow-and-blood-pressure
#12
Kozaburo Hayashi, Akihisa Makino, Daichi Kakoi
Many studies have been performed on arterial responses to chronic changes in blood flow (BF) and blood pressure (BP). However, little is known about the effects of simultaneous changes in BF and BP. The present study was carried out to know biomechanical responses of arterial wall to the combination of increased BP, i.e. hypertension (HT), with lower or higher BF than normal, and the results were compared with those observed under normal BP, i.e. normotension (NT), combined with these BF conditions. Eight weeks old rats were subjected to BF and/or BP changes for 8 weeks until 16 weeks of age...
October 7, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29031614/high-mobility-group-box-1-is-a-novel-pathogenic-factor-and-a-mechanistic-biomarker-for-epilepsy
#13
Teresa Ravizza, Gaetano Terrone, Alessia Salamone, Federica Frigerio, Silvia Balosso, Daniel J Antoine, Annamaria Vezzani
Approximately 30% of epilepsy patients experience seizures that are not controlled by the available drugs. Moreover, these drugs provide mainly a symptomatic treatment since they do not interfere with the disease's mechanisms. A mechanistic approach to the discovery of key pathogenic brain modifications causing seizure onset, recurrence and progression is instrumental for designing novel and rationale therapeutic interventions that could modify the disease course or prevent its development. In this regard, increasing evidence shows that neuroinflammation is a pathogenic factor in drug-resistant epilepsies...
October 12, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29031409/a-study-of-the-pharmacokinetic-properties-and-the-in-vivo-kinetics-of-erythrocytes-loaded-with-dexamethasone-sodium-phosphate-in-healthy-volunteers
#14
REVIEW
Shodeinde A Coker, Zbigniew M Szczepiorkowski, Alan H Siegel, Antonio Ferrari, Giovanni Mambrini, Ravi Anand, Richard D Hartman, Luca Benatti, Larry J Dumont
The objectives of this 2-phase study were to elucidate pharmacokinetics (PK), in vivo 24-hour recovery, and red blood cell (RBC) survival properties of RBC-encapsulated dexamethasone sodium phosphate (DSP) prepared using the EryDex System (EDS). The 24-hour RBC recovery and T50 survival phase studied subjects randomized to receive autologous RBCs loaded with either 15-20 mg DSP (Group 1A) or sham saline (Group 2A). Loaded RBCs were radiolabeled with 51-Cr, and the labeled RBCs were followed over time in vivo...
September 19, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/29031013/intragenic-hypomethylation-of-dnmt3a-in-patients-with-myelodysplastic-syndrome
#15
Ying-Ying Zhang, Jing-Dong Zhou, Dong-Qin Yang, Pin-Fang He, Dong-Ming Yao, Zhen Qian, Jing Yang, Wen-Rong Xu, Jiang Lin, Jun Qian
BACKGROUND: DNMT3A is a DNA methyltransferase that acts in de novo methylation. Aberrant expression of DNMT3A has been reported in several human diseases, including myelodysplastic syndrome (MDS). However, the pattern of DNMT3A methylation remains unknown in MDS. METHODS: The present study was aimed to investigate the methylation status of DNMT3A intragenic differentially methylated region 2 (DMR2) using real-time quantitative methylation-specific PCR and analyze its clinical significance in MDS...
October 14, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29030958/association-of-meox2-polymorphism-with-nonsyndromic-cleft-palate-only-in-a-vietnamese-population
#16
Duy Le Tran, Hideto Imura, Akihiro Mori, Satoshi Suzuki, Teruyuki Niimi, Maya Ono, Chisato Sakuma, Shinichi Nakahara, Tham Thi Hong Nguyen, Phuong Thi Pham, Viet Hoang, Van Thi Tuyet Tran, Minh Duc Nguyen, Nagato Natsume
To evaluate the association between the single nucleotide polymorphism (SNP) rs227493 in the MEOX2 gene and nonsyndromic cleft palate only, this research was conducted as a case-control study by comparing a nonsyndromic cleft palate only group with an independent, healthy, and unaffected control group who were both examined by specialists. Based on clinical examination and medical records, we analyzed a total of 570 DNA samples, including 277 cases and 293 controls, which were extracted from dry blood spot samples collected from both the Odonto and Maxillofacial Hospital in Ho Chi Minh City and Nguyen Dinh Chieu Hospital in Ben Tre province respectively...
October 14, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/29030697/geomagnetic-storm-under-laboratory-conditions-randomized-experiment
#17
Yu I Gurfinkel, A L Vasin, R Yu Pishchalnikov, R M Sarimov, M L Sasonko, T A Matveeva
The influence of the previously recorded geomagnetic storm (GS) on human cardiovascular system and microcirculation has been studied under laboratory conditions. Healthy volunteers in lying position were exposed under two artificially created conditions: quiet (Q) and storm (S). The Q regime playbacks a noise-free magnetic field (MF) which is closed to the natural geomagnetic conditions on Moscow's latitude. The S regime playbacks the initially recorded 6-h geomagnetic storm which is repeated four times sequentially...
October 13, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/29030593/fish-perform-like-mammals-and-birds-in-inhibitory-motor-control-tasks
#18
Tyrone Lucon-Xiccato, Elia Gatto, Angelo Bisazza
Inhibitory control is an executive function that positively predicts performance in several cognitive tasks and has been considered typical of vertebrates with large and complex nervous systems such as primates. However, evidence is growing that some fish species have evolved complex cognitive abilities in spite of their relatively small brain size. We tested whether fish might also show enhanced inhibitory control by subjecting guppies, Poecilia reticulata, to the motor task used to test warm-blooded vertebrates...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29030342/the-sex-specific-impact-of-aging-on-the-blood-pressure-response-to-exercise
#19
Joel D Trinity, Gwenael Layec, Corey R Hart, Russell S Richardson
An exaggerated blood pressure (BP) response to exercise has been linked to cardiovascular disease (CVD), but little is known about the impact of age and sex on this response. Therefore, this study examined the hemodynamic and skeletal muscle metabolic response to dynamic plantar flexion exercise, at 40% of WRmax, in 40 physical activity-matched young (n=20, 23±1 yr) and old (n=20, 73±2 yr), equally distributed, male and female subjects. Central hemodynamics and BP (finometer), popliteal artery (PA) blood flow (Doppler ultrasound), and skeletal muscle metabolism (phosphorous magnetic resonance spectroscopy, (31)P-MRS) were measured during 5 mins of plantar flexion exercise...
October 13, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29030083/human-bone-marrow-mesenchymal-stem-cells-secrete-endocannabinoids-that-stimulate-in-vitro-hematopoietic-stem-cell-migration-effectively-comparable-to-beta-adrenergic-stimulation
#20
Sevil Köse, Fatima Aerts-Kaya, Ağla Zübeyde Köprü, Emirhan Nemutlu, Barış Kuşkonmaz, Beren Karaosmanoğlu, Zihni Ekim Taşkıran, Belgin Altun, Duygu Uçkan Çetinkaya, Petek Korkusuz
Granulocyte Colony-Stimulating Factor (G-CSF) is a well-known hematopoietic stem cell (HSC) mobilizing agent used in both allogeneic and autologous transplantation. However, a proportion of patients or healthy donors fail to mobilize sufficient number of cells. New mobilization agents are therefore needed. Endocannabinoids (eCBs) are endogenous lipid mediators generated in the brain and peripheral tissues and activate the cannabinoid receptors (CB1, CB2). We suggest that eCBs may act as mobilizers of hematopoietic stem cells (HSC) from the BM under stress conditions as beta adrenergic receptors (Adrβ)...
October 10, 2017: Experimental Hematology
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