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https://www.readbyqxmd.com/read/28320189/tempol-4-hydroxy-tempo-inhibits-anoxia-induced-progression-of-mitochondrial-dysfunction-and-associated-neurobehavioral-impairment-in-neonatal-rats
#1
Puneet K Samaiya, Gopeshwar Narayan, Ashok Kumar, Sairam Krishnamurthy
BACKGROUND: Anoxia leads to a robust generation of reactive oxygen species/nitrogen species which can result in mitochondrial dysfunction and associated cell death in the cerebral cortex of neonates. AIM: The present study investigated the pharmacological role of tempol in the treatment of rat neonatal cortical mitochondrial dysfunction induced insult progression (day-1 to day-7) and associated neurobehavioral alterations post-anoxia. METHODS: Rat pups of 30h age or postnatal day 2 (PND2) were randomly divided into 5 groups (n=5 per group): (1) Control; (2) Anoxia; (3) Anoxia+Tempol 75mg/kg; (4) Anoxia+Tempol 150mg/kg; and (5) Anoxia+Tempol 300mg/kg, and subjected to two episode of anoxia (10min each) at 24h of time interval in an enclosed chamber supplied with 100% N2...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320095/dt-13-a-saponin-monomer-13-of-the-dwarf-lilyturf-tuber-synergized-with-vinorelbine-to-induce-mitotic-arrest-via-activation-of-erk-signaling-pathway-in-nci-h1299-cells
#2
Hongyang Li, Li Sun, Hang Li, Xiaodan Lv, Herve Semukunzi, Ruiming Li, Jun Yu, Shengtao Yuan, Sensen Lin
Vinorelbine (NVB) is a semi-synthetic vinca alkaloid that is approved for the clinical therapy of lung cancer. However, the clinical application of NVB was limited because of the acquisition of resistance and inacceptable toxicity. Therefore, it is of great interest to develop low-cytotoxic drugs that can synergize with NVB. DT-13, a saponin monomer 13 of the Dwarf lilyturf tuber, showed inhibitory effects on tumor metastasis and angiogenesis in the previous studies. Here, we found that DT-13 combined with NVB exhibited synergistic effect to inhibit the cell proliferation in human lung cancer NCI-H1299 cells rather than human embryonic lung fibroblasts WI-38...
March 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28318934/performance-evaluation-of-the-pilot-scale-upflow-anaerobic-sludge-blanket-downflow-hanging-sponge-system-for-natural-rubber-processing-wastewater-treatment-in-south-vietnam
#3
Takahiro Watari, Trung Cuong Mai, Daisuke Tanikawa, Yuga Hirakata, Masashi Hatamoto, Kazuaki Syutsubo, Masao Fukuda, Ngoc Bich Nguyen, Takashi Yamaguchi
A pilot-scale upflow anaerobic sludge blanket (UASB)-downflow hanging sponge system (DHS) combined with an anaerobic baffled reactor (ABR) and a settling tank (ST) was installed in a natural rubber processing factory in South Vietnam and its process performance was evaluated for 267days. The UASB reactor achieved a total removal efficiency of 55.6±16.6% for chemical oxygen demand (COD) and 77.8±10.3% for biochemical oxygen demand (BOD) with an organic loading rate of 1.7±0.6kg-COD·m(-3)·day(-1). The final effluent of the proposed system had 140±64mg·L(-1) of total COD, 31±12mg·L(-1) of total BOD, and 58±24mg-N·L(-1) of total nitrogen...
March 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28318374/identification-and-characterization-of-the-bmcyclin-l1-bmcdk11a-b-complex-in-relation-to-cell-cycle-regulation
#4
Tai-Hang Liu, Yun-Fei Wu, Xiao-Long Dong, Cai-Xia Pan, Guo-Yu Du, Ji-Gui Yang, Wei Wang, Xi-Yan Bao, Peng Chen, Min-Hui Pan, Cheng Lu
Cyclin proteins are the key regulatory and activity partner of cyclin-dependent kinases (CDKs), which play pivotal regulatory roles in cell cycle progression. In the present study, we identified a Cyclin L1 and two CDK11 two CDK11 splice variants, CDK11A and CDK11B, from silkworm, Bombyx mori. We determined that both Cyclin L1 and CDK11A/B are nuclear proteins, and further investigations were conducted to elucidate their spatiofunctional features. Cyclin L1 forms a complex with CDK11A/B and were co-localized to the nucleus...
March 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28315014/association-of-native-t1-times-with-biventricular-function-and-hemodynamics-in-precapillary-pulmonary-hypertension
#5
Yin Yin Chen, Hong Yun, Hang Jin, De Hong Kong, Yu Liang Long, Cai Xia Fu, Shan Yang, Meng Su Zeng
In precapillary pulmonary hypertension (PH) patients, we sought to (1) investigate the relationship between ventricular insertion point (VIP) T1 times, hemodynamic parameters, and biventricular function, and (2) determine the predictors of anterior and inferior VIP T1 time. Twenty-two patients with precapillary PH underwent 1.5-T cardiac MR, right heart catheterization (RHC), and echocardiography. A group of 10 healthy age- and sex-matched volunteers served as controls. Biventricular function, morphology and mass were obtained from short-axis cine images...
March 17, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#6
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28314561/dna-vaccine-encoding-middle-east-respiratory-syndrome-coronavirus-s1-protein-induces-protective-immune-responses-in-mice
#7
Hang Chi, Xuexing Zheng, Xiwen Wang, Chong Wang, Hualei Wang, Weiwei Gai, Stanley Perlman, Songtao Yang, Jincun Zhao, Xianzhu Xia
The Middle East respiratory syndrome coronavirus (MERS-CoV), is an emerging pathogen that continues to cause outbreaks in the Arabian peninsula and in travelers from this region, raising the concern that a global pandemic could occur. Here, we show that a DNA vaccine encoding the first 725 amino acids (S1) of MERS-CoV spike (S) protein induces antigen-specific humoral and cellular immune responses in mice. With three immunizations, high titers of neutralizing antibodies (up to 1: 10(4)) were generated without adjuvant...
March 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28306698/oral-application-of-magnesium-l-threonate-attenuates-vincristine-induced-allodynia-and-hyperalgesia-by-normalization-of-tumor-necrosis-factor-%C3%AE-nuclear-factor-%C3%AE%C2%BAb-signaling
#8
Ting Xu, Dai Li, Xin Zhou, Han-Dong Ouyang, Li-Jun Zhou, Hang Zhou, Hong-Mei Zhang, Xu-Hong Wei, Guosong Liu, Xian-Guo Liu
BACKGROUND: Antineoplastic agents, including vincristine, often induce neuropathic pain and magnesium deficiency clinically, but the causal link between them has not been determined. No drug is available for treating this form of neuropathic pain. METHODS: Injection of vincristine (0.1 mg · kg · day, intraperitoneally, for 10 days) was used to induce nociceptive sensitization, which was accessed with von Frey hairs and the plantar tester in adult male Sprague-Dawley rats...
March 17, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28304219/surgical-or-transcatheter-aortic-valve-replacement-in-intermediate-risk-patients
#9
Michael J Reardon, Nicolas M Van Mieghem, Jeffrey J Popma, Neal S Kleiman, Lars Søndergaard, Mubashir Mumtaz, David H Adams, G Michael Deeb, Brijeshwar Maini, Hemal Gada, Stanley Chetcuti, Thomas Gleason, John Heiser, Rüdiger Lange, William Merhi, Jae K Oh, Peter S Olsen, Nicolo Piazza, Mathew Williams, Stephan Windecker, Steven J Yakubov, Eberhard Grube, Raj Makkar, Joon S Lee, John Conte, Eric Vang, Hang Nguyen, Yanping Chang, Andrew S Mugglin, Patrick W J C Serruys, Arie P Kappetein
Background Although transcatheter aortic-valve replacement (TAVR) is an accepted alternative to surgery in patients with severe aortic stenosis who are at high surgical risk, less is known about comparative outcomes among patients with aortic stenosis who are at intermediate surgical risk. Methods We evaluated the clinical outcomes in intermediate-risk patients with severe, symptomatic aortic stenosis in a randomized trial comparing TAVR (performed with the use of a self-expanding prosthesis) with surgical aortic-valve replacement...
March 17, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28304147/relation-of-dietary-carbohydrates-intake-to-circulating-sex-hormone-binding-globulin-levels-in-postmenopausal-women
#10
Mengna Huang, Jinjie Liu, Xiaochen Lin, Atsushi Goto, Yiqing Song, Lesley F Tinker, Kei-Hang Katie Chan, Simin Liu
BACKGROUND: Low circulating levels of sex hormone-binding globulin (SHBG) have been shown to be a direct and strong risk factor for type 2 diabetes, cardiovascular diseases, and hormone-dependent cancers, although the relation between various aspects of dietary carbohydrates and SHBG levels remains unexplored in population studies. METHODS: Among postmenopausal women with available SHBG measurements at baseline (n = 11,159) in the Women's Health Initiative, we conducted a comprehensive assessment of total dietary carbohydrates, glycemic load (GL), glycemic index (GI), fiber, sugar, and various carbohydrate-abundant foods in relation to circulating SHBG using multiple linear regressions adjusting for potential covariates...
March 17, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28303946/preparation-of-ho-3-tm-3-co-doped-lanthanum-tungsten-germanium-tellurite-glass-fiber-and-its-laser-performance-for-2-0%C3%A2-%C3%AE-m
#11
Dechun Zhou, Xuemei Bai, Hang Zhou
Ho(3+)/Tm(3+) co-doped 50TeO2-25GeO2-3WO3-5La2O3-3Nb2O5-5Li2O-9BaF2 glass fiber is prepared with the rod-tube drawing method of 15 μm core diameter and 125 μm inner cladding diameter applied in the 2.0 μm-infrared laser. The 2.0 μm luminescence properties of the core glass are researched and the fluorescence intensity variation for different Tm(3+) doping concentration is systematically analyzed. The results show that the 2.0 μm luminescence of Ho(3+) is greatly influenced by the doping concentration ratio of Ho(3+) to Tm(3+) and that the maximum fluorescence intensity of the core glass can be obtained and its emission cross section can reach 0...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28301979/short-time-uva-exposure-to-human-keratinocytes-instigated-polyunsaturated-fatty-acid-without-inducing-lipid-peroxidation
#12
Kin Sum Leung, Hok Fung Chan, Ho Hang Leung, Jean-Marie Galano, Camille Oger, Thierry Durand, Jetty Chung-Yung Lee
Short-term exposure to ultraviolet A (UVA) radiation can directly injure our skin through inflammatory response and indirectly through oxidative stress, triggering polyunsaturated fatty acid (PUFA) peroxidation in skin cell membrane and formation of DNA adduct, 8-hydroxy-2'-deoxyguanosine (8-OHdG). It is known that UVA exposure leads to photoaging, immunosuppression and skin cancer. However, the changes in PUFA and its oxidized metabolites, and cell cycle after short UVA exposure, are debatable. In this study, human keratinocytes (HaCaT) were exposed to low dose (5 J/cm(2)) and high dose (20 J/cm(2)) of UVA and assessed immediately, 8 h, 12 h, and 24 h post-treatment...
March 17, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28301836/long-term-remission-following-autologous-hematopoietic-cell-transplantation-in-a-patient-with-multiple-nonleukemic-myeloid-sarcoma-and-a-review-of-the-literature
#13
Yun Liang, Jie Gao, Dan Wu, Shu Li, Hang Chen, Luyin Ding, Jiefeng Tong, Yang Xu
Multiple nonleukemic myeloid sarcoma (MS) is a rare form of MS that is developed in multiple anatomic sites other than bone marrow at diagnosis, without a preceding myeloid neoplasm. The prevalence, prognosis, and optimal management of multiple nonleukemic MS have not been addressed. The role of allogenic or autologous hematopoietic cell transplantation (HCT) for nonleukemic MS is also less well defined. We present a case of MS characterized by systemic lymphadenopathies and multiple effusions, which presumably had a very poor prognosis...
March 17, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28301304/neuroprotective-and-therapeutic-effect-of-caffeine-on-the-rat-model-of-parkinson-s-disease-induced-by-rotenone
#14
Yasser A Khadrawy, Ahmed M Salem, Karima A El-Shamy, Emad K Ahmed, Nevein N Fadl, Eman N Hosny
The present study aimed to investigate the protective and therapeutic effects of caffeine on rotenone-induced rat model of Parkinson's disease (PD). Rats were divided into control, PD model induced by rotenone (1.5 mg/kg intraperitoneally (i.p.) for 45 days), protected group injected with caffeine (30 mg/kg, i.p.) and rotenone for 45 days (during the development of PD model), and treated group injected with caffeine (30 mg/kg, i.p.) for 45 days after induction of PD model. The data revealed a state of oxidative and nitrosative stress in the midbrain and the striatum of animal model of PD as indicated from the increased lipid peroxidation and nitric oxide levels and the decreased reduced glutathione level and activities of glutathione-S-transferase and superoxide dismutase...
September 3, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28300465/laparoscopic-radical-hysterectomy-in-early-stage-cervical-cancer-a-systematic-review-and-meta-analysis
#15
Yue Zhao, Bo Hang, Guang-Wu Xiong, Xiao-Wei Zhang
PURPOSE: To investigate the value of laparoscopic radical hysterectomy (LRH) in the treatment of early stage cervical cancer by comparing intraoperative and postoperative outcomes with abdominal radical hysterectomy (ARH). MATERIALS AND METHODS: We searched the Medline, Web of Knowledge, Cochrane Library, and Chinese National Knowledge Infrastructure, through February 2, 2016 with keywords of "laparoscopic OR laparoscopy" AND "radical hysterectomy OR early cervical cancer OR stage IB, stage IB1, stage IB2, stage IIA, stage IIA1, stage IIA2, stage IIA cervical cancer" to identify all relevant studies that compared LRH with ARH in treating early cervical cancer...
March 16, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28300136/spalt-is-functionally-conserved-in-locusta-and-drosophila-to-promote-wing-growth
#16
Dan Wang, Juanjuan Li, Suning Liu, Hang Zhou, Long Zhang, Wangpeng Shi, Jie Shen
Locusta has strong fly wings to ensure its long distance migration, but the molecular mechanism that regulates the Locusta wing development is poorly understood. To address the developmental mechanism of the Locusta flying wing, we cloned the Dpp target gene spalt (sal) and analyzed its function in wing growth in the Locusta. The Locusta wing size is apparently reduced with vein defects when sal is interfered by injection of dsRNA, indicating that sal is required for locust wing growth and vein formation. This function is conserved during the Drosophila wing development...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298880/h7n9-and-h5n1-avian-influenza-suitability-models-for-china-accounting-for-new-poultry-and-live-poultry-markets-distribution-data
#17
Jean Artois, Shengjie Lai, Luzhao Feng, Hui Jiang, Hang Zhou, Xiangping Li, Madhur S Dhingra, Catherine Linard, Gaëlle Nicolas, Xiangming Xiao, Timothy P Robinson, Hongjie Yu, Marius Gilbert
In the last two decades, two important avian influenza viruses infecting humans emerged in China, the highly pathogenic avian influenza (HPAI) H5N1 virus in the late nineties, and the low pathogenic avian influenza (LPAI) H7N9 virus in 2013. China is home to the largest population of chickens (4.83 billion) and ducks (0.694 billion), representing, respectively 23.1 and 58.6% of the 2013 world stock, with a significant part of poultry sold through live-poultry markets potentially contributing to the spread of avian influenza viruses...
2017: Stochastic Environmental Research and Risk Assessment: Research Journal
https://www.readbyqxmd.com/read/28297591/estrogen-replacement-improves-verbal-memory-and-executive-control-in-oligomenorrheic-amenorrheic-athletes-in-a-randomized-controlled-trial
#18
Charumathi Baskaran, Brooke Cunningham, Franziska Plessow, Vibha Singhal, Ryan Woolley, Kathryn E Ackerman, Meghan Slattery, Hang Lee, Elizabeth A Lawson, Kamryn Eddy, Madhusmita Misra
OBJECTIVE: Both estrogen and exercise may have cognition enhancing benefits; however, young oligomenorrheic/amenorrheic athletes (OA) with estrogen deficiency have not been evaluated for cognitive deficits. Our objective was to determine whether 6 months of estrogen replacement will impact cognitive domains in OA. We hypothesized that estrogen replacement would improve verbal memory and executive control in OA. METHODS: We performed cognitive assessments at baseline and after 6 months in 48 OA (14-25 years) randomized to estrogen (EST+) (oral 30 µg ethinyl estradiol [n = 16] or transdermal 100 µg 17-β-estradiol patch [n = 13]) or no estrogen (EST-) (n = 19) in an ongoing clinical trial...
March 14, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28296779/efficacy-of-fresh-packed-red-blood-transfusion-in-organophosphate-poisoning
#19
Hang-Xing Bao, Pei-Jian Tong, Cai-Xia Li, Jing Du, Bing-Yu Chen, Zhi-Hui Huang, Ying Wang
The mortality rate caused by organophosphate (OP) poisoning is still high, even the standard treatment such as atropine and oxime improves a lot. To search for alternative therapies, this study was aimed to investigate the effects of packed red blood cell (RBC) transfusion in acute OP poisoning, and compare the therapeutic effects of RBCs at different storage times.Patients diagnosed with OP poisoning were included in this prospective study. Fresh RBCs (packed RBCs stored less than 10 days) and longer-storage RBCs (stored more than 10 days but less than 35 days) were randomly transfused or not into OP poisoning patients...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28295556/core-chemistry-influences-the-toxicity-of-multi-component-metal-oxide-nanomaterials-lithium-nickel-manganese-cobalt-oxide-and-lithium-cobalt-oxide-to-daphnia-magna
#20
Jared Bozich, Mimi Hang, Robert Hamers, Rebecca Klaper
Lithium intercalation compounds such as lithium nickel manganese cobalt oxide (NMC) and lithium cobalt oxide (LCO) are used extensively in lithium batteries. Because there is currently little economic incentive for recycling, chances are greater that batteries will end up in landfills or waste in the environment. In addition, the toxicity of these battery materials has not been traditionally part of the design process. Therefore, to determine the environmental impact and the possibility of alternative battery materials, representative complex battery nanomaterials, LCO and NMC, were synthesized and toxicity was assessed in Daphnia magna...
March 11, 2017: Environmental Toxicology and Chemistry
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