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https://www.readbyqxmd.com/read/28549380/synthesis-of-pyridinic-rich-n-s-co-doped-carbon-quantum-dots-as-effective-enzyme-mimics
#1
Teng Liu, Zhi-Wei Cui, Jun Zhou, Ying Wang, Zhi-Gang Zou
N and S co-doped carbon quantum dots (N, S-CQDs) with high N- and S-doping level were synthesized by microwave solid-phase pyrolysis within 50 s. Owing to the dominant pyridinic N injection into the conjugated framework, both high enzyme mimics catalytic activity and photoluminescence quantum yield are achieved simultaneously.
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28549377/biocompatibility-of-liposome-nanocarriers-in-the-rat-inner-ear-after-intratympanic-administration
#2
Jing Zou, Hao Feng, Rohit Sood, Paavo K J Kinnunen, Ilmari Pyykko
Liposome nanocarriers (LPNs) are potentially the future of inner ear therapy due to their high drug loading capacity and efficient uptake in the inner ear after a minimally invasive intratympanic administration. However, information on the biocompatibility of LPNs in the inner ear is lacking. The aim of the present study is to document the biocompatibility of LPNs in the inner ear after intratympanic delivery. LPNs with or without gadolinium-tetra-azacyclo-dodecane-tetra-acetic acid (Gd-DOTA) were delivered to the rats through transtympanic injection...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28549309/switching-between-intravenous-and-subcutaneous-trastuzumab-safety-results-from-the-prefher-trial
#3
Joseph Gligorov, Giuseppe Curigliano, Volkmar Müller, Ann Knoop, Valerie Jenkins, Sunil Verma, Stuart Osborne, Sabine Lauer, Zuzana Machackova, Lesley Fallowfield, Xavier Pivot
AIM: To assess the safety and tolerability of switching between subcutaneous (SC) and intravenous (IV) trastuzumab in the PrefHer study (NCT01401166). PATIENTS AND METHODS: Patients with HER2-positive early breast cancer completed (neo)adjuvant chemotherapy and were randomised to receive four cycles of SC trastuzumab, via single-use injection device (SID; Cohort 1) or hand-held syringe (Cohort 2), followed by four cycles of IV, or vice versa (the crossover period presented here) as part of their 18 standard cycles of adjuvant trastuzumab treatment...
May 23, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28549307/thymoquinone-protects-against-the-sepsis-induced-mortality-mesenteric-hypoperfusion-aortic-dysfunction-and-multiple-organ-damage-in-rats
#4
Erdem Kamil Ozer, Mustafa Tugrul Goktas, Aysun Toker, Sultan Pehlivan, Hulagu Bariskaner, Ceyhan Ugurluoglu, Alper Bektas Iskit
BACKGROUND: Thymoquinone (TQ) is a potent cytoprotective, antioxidant and anti-inflammatory agent. We aimed to investigate the possible protective effects of TQ on survival, mesenteric artery blood flow (MABF), vascular reactivity, oxidative and inflammatory injuries in a murine sepsis model induced by cecal ligation and puncture (CLP). METHODS: Wistar rats were divided into the following four groups: Sham, CLP, Sham+TQ and CLP+TQ. TQ (1mg/kg/day) or vehicle (dimethyl sulfoxide, 1mL/kg/day) was intraperitoneally injected for 3 days...
March 24, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28549291/antidiabetogenic-efficiency-of-menthol-improves-glucose-homeostasis-and-attenuates-pancreatic-%C3%AE-cell-apoptosis-in-streptozotocin-nicotinamide-induced-experimental-rats-through-ameliorating-glucose-metabolic-enzymes
#5
Udaiyar Muruganathan, Subramani Srinivasan, Veerasamy Vinothkumar
The phytochemical, menthol, has been reported to play many beneficial roles. However, under diabetic conditions, there is no detail mechanism of its beneficial action in the glucose homeostasis. The present study, we investigated to explore the role of menthol, on the glucose metabolic enzymes and pancreatic islet cell apoptosis of streptozotocin-nicotinamide (STZ-NA) induced diabetes in rats. Diabetes was induced by single intraperitoneal (i.p.) injection of STZ (50mg/kg/b.w.) and NA (110mg/kg/b.w.). Diabetic rats were treated with different dose of menthol (25, 50, and 100mg/kg/b...
May 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28549258/immunohistochemical-localization-of-cannabinoid-receptor-1-cb1-in-the-submandibular-gland-of-mice-under-normal-conditions-and-when-stimulated-by-isoproterenol-or-carbachol
#6
Wipawee Thoungseabyoun, Apussara Tachow, Sawetree Pakkarato, Atsara Rawangwong, Suthankamon Krongyut, Waraporn Sakaew, Hisatake Kondo, Wiphawi Hipkaeo
OBJECTIVE: We wished to investigate the subcellular localization of CB1, a receptor for the endocannabinoids in mouse submandibular glands (SMGs) under normal conditions and when stimulated by adrenergic or cholinergic agonists. MATERIALS AND METHODS: SMGs of both male and female adult mice were utilized for immunoblotting and immuno-light and -electron microscopic analyses. Isoproterenol and carbachol were used as adrenergic and cholinergic stimulants, respectively...
May 17, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28549145/six-month-safety-data-of-recombinant-vesicular-stomatitis-virus-zaire-ebola-virus-envelope-glycoprotein-vaccine-in-a-phase-3-double-blind-placebo-controlled-randomized-study-in-healthy-adults
#7
Scott A Halperin, Jose R Arribas, Richard Rupp, Charles P Andrews, Laurence Chu, Rituparna Das, Jakub K Simon, Matthew T Onorato, Kenneth Liu, Jason Martin, Frans A Helmond
Background.: This study (NCT02503202) evaluated the safety of recombinant vesicular stomatitis virus-Zaire Ebola virus envelope glycoprotein vaccine (rVSVΔG-ZEBOV-GP). Methods.: Overall, 1197 subjects were randomized 2:2:2:2:1; 1194 were vaccinated with 1 dose of 1 of 3 lots of rVSVΔG- ZEBOV-GP (2 × 107 plaque-forming units [pfu], n = 797; combined-lots group), a single high-dose lot of rVSVΔG-ZEBOV-GP (1 × 108 pfu, n = 264; high-dose group), or placebo (n = 133)...
May 26, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28549121/long-acting-injectable-anti-retroviral-therapy-an-opportunity-to-improve-hiv-treatment-and-reduce-hiv-transmission-among-persons-being-released-from-prison-facilities
#8
Lauren Brinkley-Rubinstein, David L Rosen, Paul Christopher, Lauri Bazerman, Curt G Beckwith
No abstract text is available yet for this article.
May 26, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28549109/il-18-cleavage-triggers-cardiac-inflammation-and-fibrosis-upon-%C3%AE-adrenergic-insult
#9
Han Xiao, Hao Li, Jing-Jing Wang, Jian-Shu Zhang, Jing Shen, Xiang-Bo An, Cong-Cong Zhang, Ji-Min Wu, Yao Song, Xin-Yu Wang, Hai-Yi Yu, Xiang-Ning Deng, Zi-Jian Li, Ming Xu, Zhi-Zhen Lu, Jie Du, Wei Gao, Ai-Hua Zhang, Yue Feng, You-Yi Zhang
Aims: Rapid over-activation of β-adrenergic receptor (β-AR) upon stress leads to cardiac inflammation, a prevailing factor that underlies heart injury. However, mechanisms by which acute β-AR stimulation induce cardiac inflammation still remain unknown. Here, we set out to identify the crucial role of inflammasome/interleukin (IL)-18 in initiating and maintaining cardiac inflammatory cascades upon β-AR insult. Methods and results: Male C57BL/6 mice were injected with a single dose of β-AR agonist, isoproterenol (ISO, 5 mg/kg body weight) or saline subcutaneously...
May 26, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28549104/near-infrared-image-guided-lymphatic-mapping-in-minimally-invasive-oesophagectomy-of-distal-oesophageal-cancer
#10
Olli Helminen, Johanna Mrena, Eero Sihvo
OBJECTIVES: We aimed to assess the potential of near-infrared (NIR) imaging during minimally invasive oesophagectomy in patients with distal oesophageal cancer for detection of nodal metastases inside and outside the standard en bloc surgical field. METHODS: We enrolled 6 patients diagnosed with distal oesophageal cancer for intraoperative lymphatic mapping with NIR imaging. Indocyanine green dye was injected endoscopically in 8 corners of the primary tumour at the start of the operation...
May 26, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28549091/regional-retinal-ganglion-cell-axon-loss-in-a-murine-glaucoma-model
#11
Julie A Schaub, Elizabeth C Kimball, Matthew R Steinhart, Cathy Nguyen, Mary E Pease, Ericka N Oglesby, Joan L Jefferys, Harry A Quigley
Purpose: To determine if retinal ganglion cell (RGC) axon loss in experimental mouse glaucoma is uniform in the optic nerve. Methods: Experimental glaucoma was induced for 6 weeks with a microbead injection model in CD1 (n = 78) and C57BL/6 (B6, n = 68) mice. From epoxy-embedded sections of optic nerve 1 to 2 mm posterior to the globe, total nerve area and regional axon density (axons/1600 μm2) were measured in superior, inferior, nasal, and temporal zones. Results: Control eyes of CD1 mice have higher axon density and more total RGCs than control B6 mice eyes...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28549089/development-of-a-sustained-release-voriconazole-containing-thermogel-for-subconjunctival-injection-in-horses
#12
Rosemary S Cuming, Eva M Abarca, Sue Duran, Anne A Wooldridge, Allison J Stewart, William Ravis, R Jayachandra Babu, Yuh-Jing Lin, Terri Hathcock
Purpose: To determine in vitro release profiles, transcorneal permeation, and ocular injection characteristics of a voriconazole-containing thermogel suitable for injection into the subconjunctival space (SCS). Methods: In vitro release rate of voriconazole (0.3% and 1.5%) from poly (DL-lactide-co-glycolide-b-ethylene glycol-b-DL-lactide-co-glycolide) (PLGA-PEG-PLGA) thermogel was determined for 28 days. A Franz cell diffusion chamber was used to evaluate equine transcorneal and transscleral permeation of voriconazole (1...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28549044/a-modified-suction-assisted-technique-of-transfer-of-diced-cartilage-graft-to-carrier-material-and-outcome-of-direct-injection-of-unwrapped-diced-cartilage-in-rhinoplasty
#13
Muhammad Mustehsan Bashir, Muhammad Sohail, Farid Ahmad Khan, Sadia Nosheen Jan, Hamid Hussain Ansari, Umer Nazir, Zohaib Hidayat
OBJECTIVE: To describe a modified suction-assisted technique (MSAT) of transfer of diced cartilage (DC) graft to a carrier material and to determine the clinical outcome of direct injection of unwrapped diced cartilage (UDC) in rhinoplasty. PLACE AND DURATION OF STUDY: Department of Plastic Surgery, KEMU, Mayo Hospital, Lahore from February 2011 to January 2015 METHODS:: Forty-seven patients of both genders with types 0 to 3 saddle nose deformity were included. Patients with types 4 and 5 saddle nose deformity, diabetes, hypertension, hepatic or renal disorders were excluded...
May 25, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28548945/soluble-antigens-from-the-neurotropic-pathogen-angiostrongylus-cantonensis-directly-induce-thymus-atrophy-in-a-mouse-model
#14
Zhen Liu, Dong-Ming Su, Zi-Long Yu, Feng Wu, Rui-Feng Liu, Shi-Qi Luo, Zhi-Yue Lv, Xin Zeng, Xi Sun, Zhong-Dao Wu
The nematode Angiostrongylus cantonensis (A.C.) is a neurotropic pathogen; stage-III larva invade the human (non-permissive host) central nervous system (CNS) to cause eosinophilic meningitis or meningoencephalitis accompanied by immunosuppression. In an A.C.-infectedmouse (another non-permissive host) model, CNS damage-associated T cell immune deficiency and severe inflammation were proposed to result from activation of the hypothalamic-pituitary-adrenal (HPA) axis. However, glucocorticoids are anti-inflammatory agents...
May 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548690/rainbow-trout-oncorhynchus-mykiss-immune-response-towards-a-recombinant-vaccine-targeting-the-parasitic-ciliate-ichthyophthirius-multifiliis
#15
L von Gersdorff Jørgensen, P W Kania, K J Rasmussen, A H Mattsson, J Schmidt, A Al-Jubury, A Sander, A Salanti, K Buchmann
The protective effect in rainbow trout (Oncorhynchus mykiss) of an experimental subunit vaccine targeting antigens in the parasite Ichthyophthirius multifiliis has been evaluated and compared to effects elicited by a classical parasite homogenate vaccine. Three recombinant parasite proteins (two produced in E. coli and one in insect cells) were combined and injected i.p., and subsequently, protection and antibody responses were analysed. Both the experimental and the benchmark vaccine induced partial but significant protection against I...
May 26, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28548686/studies-on-the-antibody-response-and-side-effects-after-intramuscular-and-intraperitoneal-injection-of-atlantic-lumpfish-cyclopterus-lumpus-l-with-different-oil-based-vaccines
#16
T Erkinharju, M R Lundberg, E Isdal, I Hordvik, R A Dalmo, T Seternes
Atlantic lumpfish (Cyclopterus lumpus L.) is used as a biological delousing agent for sea lice (Lepeophtheirus salmonis K.) infestations in Norwegian aquaculture. Here, we present a study on the antibody response and vaccine side effects after intramuscular and intraperitoneal injection of lumpfish with two vaccines. Both vaccines contained bacterial antigens from atypical Aeromonas salmonicida A-layer types V and VI, Vibrio anguillarum serotype O1 and Moritella viscosa sp., but one vaccine contained a vegetable oil-based adjuvant, while the other contained a mineral oil-based adjuvant...
May 26, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28548668/unique-capabilities-of-ac-frequency-scanning-and-its-implementation-on-a-mars-organic-molecule-analyzer-linear-ion-trap
#17
Dalton T Snyder, Desmond A Kaplan, Ryan M Danell, Friso H W van Amerom, Veronica T Pinnick, William B Brinckerhoff, Paul R Mahaffy, R Graham Cooks
A limitation of conventional quadrupole ion trap scan modes which use rf amplitude control for mass scanning is that, in order to detect a subset of an ion population, the rest of the ion population must also be interrogated. That is, ions cannot be detected out of order; they must be detected in order of either increasing or decreasing mass-to-charge (m/z). However, an ion trap operated in the ac frequency scan mode, where the rf amplitude is kept constant and instead the ac frequency is used for mass-selective operations, has no such limitation because any variation in the ac frequency affects only the subset of ions whose secular frequencies match the perturbation frequency...
May 26, 2017: Analyst
https://www.readbyqxmd.com/read/28548647/acute-endophthalmitis-after-cataract-surgery-164-consecutive-cases-treated-at-a-referral-center-in-south-korea
#18
S H Jeong, H J Cho, H S Kim, J I Han, D W Lee, C G Kim, J W Kim
PurposeTo identify prognostic factors in patients referred with endophthalmitis after cataract surgery, and to evaluate the efficacy of primary vitrectomy as an initial management.MethodsOver an eight-year study period, we retrospectively reviewed the medical records of 164 patients who were referred with endophthalmitis following cataract surgery. Treatment generally conformed to standard guidelines, although primary vitrectomy was performed in several eyes with a visual acuity of hand motion or better, depending on the patient's status...
May 26, 2017: Eye
https://www.readbyqxmd.com/read/28548593/bilateral-deep-brain-stimulation-of-the-subthalamic-nucleus-in-primary-meige-syndrome
#19
Shikun Zhan, Fafa Sun, Yixin Pan, Wei Liu, Peng Huang, Chunyan Cao, Jing Zhang, Dianyou Li, Bomin Sun
OBJECTIVE Subthalamic nucleus deep brain stimulation has been shown to be effective in reducing symptoms of primary Meige syndrome. However, assessments of its efficacy and safety have been limited to several case reports and small studies. METHODS The authors performed a retrospective study to assess the efficacy and safety of bilateral subthalamic nucleus stimulation in 15 patients with primary Meige syndrome who responded poorly to medical treatments or botulinum toxin injections. Using the movement and disability subscores of the Burke-Fahn-Marsden Dystonia Rating Scale, the authors evaluated the severity of patients' dystonia and related before surgery and at final follow-up during neurostimulation...
May 26, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28548588/injection-of-inactive-bordetella-pertussis-and-complete-freund-s-adjuvant-with-torpedo-californica-achr-increases-the-occurrence-of-experimental-autoimmune-myasthenia-gravis-in-c57bl-6-mice
#20
Takahiro Maruta, Minako Oshima, Dennis R Mosier, M Zouhair Atassi
An animal model of myasthenia gravis (MG), termed experimental autoimmune MG (EAMG), is an important tool for investigations of disease mechanisms and/or methods of treatment for this disease. EAMG can be induced in C57BL/6 (B6, H-2(b)) mice by 2-3 times injections at 4 weeks intervals with Torpedo californica (t) acetylcholine receptor (AChR) in complete Freund's adjuvant (CFA). However, the protocol especially with a two-injection schedule occasionally produces a poor incidence of EAMG. We have investigated the efficacy of the additional adjuvant, inactive organisms of Bordetella pertussis (iBP), on the induction with a two-injection schedule...
May 26, 2017: Autoimmunity
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