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https://www.readbyqxmd.com/read/29053632/protective-effect-of-flavonoids-from-ziziphus-jujuba-cv-jinsixiaozao-against-acetaminophen-induced-liver-injury-by-inhibiting-oxidative-stress-and-inflammation-in-mice
#1
Weizhen Huang, Yongjie Wang, Xiaoyan Jiang, Yueyue Sun, Zhongxi Zhao, Siying Li
This study was aimed to investigate the chemical composition, antioxidant activities and hepatoprotective effect of flavonoids from Ziziphus jujuba cv. Jinsixiaozao (ZJF). The composition of ZJF was analyzed by high performance liquid chromatography (HPLC) and Liquid chromatography-mass spectrometry (LC-MS), and antioxidant properties were investigated by biological assays in vitro. The hepatoprotective activity of ZJF was evaluated in acetaminophen (APAP)-treated BALB/c mice. Results indicate that ZJF displayed significant antioxidant capacity...
October 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29053500/the-community-orthopaedic-surgeon-taking-trauma-call-pediatric-femoral-shaft-fracture-pearls-and-pitfalls
#2
J Eric Gordon, Charles T Mehlman
Pediatric femoral shaft fractures present many challenging patient care decisions. Nonoperative treatment approaches still dominate care of the youngest age groups while surgical intervention is commonplace in virtually all older children. Treatment is determined primarily by patient age as modified by clinical factors including mechanism of injury, weight, and skeletal maturity. Infants can be successfully treated by placement into a Pavlik harness, whereas children younger than 5 years are most commonly treated by early reduction and spica cast immobilization...
November 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29053497/the-community-orthopaedic-surgeon-taking-trauma-call-pediatric-phalangeal-fracture-pearls-and-pitfalls
#3
Joshua M Abzug, Charles T Mehlman
Pediatric phalangeal fractures are extremely common, especially among toddlers and older children/adolescents involved in sporting activities. The physical examination must include an assessment for deviation and malrotation. In addition, concomitant injuries must be assessed for such as tendon and/or neurovascular injuries. Plain radiographs are typically sufficient to make the diagnosis and determine the treatment. The majority of pediatric and adolescent phalangeal fractures can be treated with immobilization...
November 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29053168/fl-926-16-a-novel-bioavailable-carnosinase-resistant-carnosine-derivative-prevents-onset-and-stops-progression-of-diabetic-nephropathy-in-db-db-mice
#4
Carla Iacobini, Stefano Menini, Claudia Blasetti Fantauzzi, Carlo M Pesce, Andrea Giaccari, Enrica Salomone, Annunziata Lapolla, Marica Orioli, Giancarlo Aldini, Giuseppe Pugliese
BACKGROUND AND PURPOSE: The advanced glycation endproducts (AGEs) participate in the pathogenesis of diabetic nephropathy (DN) by promoting renal inflammation and injury. L-carnosine acts as a quencher of the AGE precursors reactive carbonyl species (RCS), but it is rapidly inactivated by carnosinase. This study evaluated the effect of FL-926-16, a carnosinase-resistant and bioavailable carnosine derivative, on the onset and progression of DN in db/db mice. EXPERIMENTAL APPROACH: Adult male db/db mice and coeval db/m controls were left untreated or treated with FL-926-16 (30 mg·kg(-1) body weight) from week 6 to 20 (prevention protocol) or from week 20 to 34 (regression protocol)...
October 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29052864/short-term-hypoxia-upregulated-mas-receptor-expression-to-repress-the-at1-r-signaling-pathway-and-attenuate-ang-ii-induced-cardiomyocyte-apoptosis
#5
Ruey-Lin Chang, Chih-Fen Chang, Da-Tong Ju, Tsung-Jung Ho, Tung-Ti Chang, Jing-Wei Lin, Jia-Chun Le, Shiu-Min Cheng, Cecilia-Hsuan Day, V Vijaya Padma, Chih-Yang Huang
Hypertension-stimulated cardiac hypertrophy and apoptosis play critical roles in the progression of heart failure. Our previous study suggested that hypertensive angiotensin II (Ang II) enhanced insulin-like growth factor receptor II (IGF-IIR) expression and cardiomyocyte apoptosis, which are involved JNK activation, sirtuin1 (SIRT1) degradation, and heat-shock transcription factor 1 (HSF1) acetylation. Moreover, previous studies have implied that short-term hypoxia (STH) might exert cardioprotective effects...
October 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29052830/diaphragmatic-rupture-a-single-institution-experience-and-literature-review
#6
Carlo Corbellini, Stefano Costa, Tiberio Canini, Roberta Villa, Ettore Contessini Avesani
BACKGROUND: Diaphragmatic rupture (DR) is a rare and potentially life-threatening event caused by trauma or spontaneously. DR occasionally occurs several months after the injury. Chest X-ray and computed tomography are the most effective diagnostic methods. Delay in DR diagnosis occurs frequently. This study aimed to examine and improve our understanding of the etiology, clinical presentation, and management of DR. METHODS: This study was performed at the Emergency and General Surgery Department of Fondazione I...
September 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29052827/primary-exploration-for-radial-nerve-palsy-associated-with-unstable-closed-humeral-shaft-fracture
#7
Soo Hong Han, In Tae Hong, Ho Jae Lee, Sang June Lee, Uk Kim, Dong Won Kim
BACKGROUND: The treatment of radial nerve palsy caused by closed humeral shaft fracture is a matter of debate. The purpose of this study is to evaluate the outcome of early surgical management of radial nerve palsy in patients with unstable closed humeral shaft fractures and to determine whether patients with this injury should be surgically explored. METHODS: Medical records of 15 consecutive patients who had undergone open reduction and internal fixation for unstable closed humeral shaft fractures were reviewed...
September 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29052798/curcumin-pretreatment-prevents-hydrogen-peroxide-induced-oxidative-stress-through-enhanced-mitochondrial-function-and-deactivation-of-akt-erk-signaling-pathways-in-rat-bone-marrow-mesenchymal-stem-cells
#8
Xujie Wang, Jianxin Gao, Yunchuan Wang, Bin Zhao, Yijie Zhang, Fu Han, Zhao Zheng, Dahai Hu
Bone marrow mesenchymal stem cells (BMSCs)-based therapy has emerged as a desirable modality for the treatment of tissue injury with promising therapeutic effects; however, low survival rate of transplanted cells due to harsh microenvironment with hypoxia and oxidative stress results in hampered therapeutic benefits of this therapy. Curcumin, a natural bioactive product, is a dietary component which has gained increasing attention owing to its beneficial health properties. Here, we reported the protective effects of curcumin pretreatment on BMSCs injury induced by hydrogen peroxide (H2O2), which was used as ROS source of oxidative stress in vitro...
October 20, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29052534/specialist-advice-may-improve-patient-selection-for-decompression-therapy-following-diving-accidents-a-retrospective-observational-study
#9
Daniel Steffensmeier, Roland Albrecht, Jürg Wendling, Roger Melliger, Donat R Spahn, Philipp Stein, Christophe Wyss
BACKGROUND: Even in a landlocked country like Switzerland recreational diving is becoming more and more popular. Smaller lakes in the Alps are located at an altitude of 2500 m above sea level. The incidence of diving accidents among all helicopter emergency service missions and the consecutive medical knowledge about decompression injuries is low. Thus, a collaboration between the Swiss Air-Ambulance (Rega) and the divers alert network (DAN) was initiated to improve patient treatment and identification of decompression injury and necessity of hyperbaric oxygen therapy (HBO)...
October 19, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29052398/-protective-effect-and-mechanism-of-scutellarin-ethyl-ester-on-focal-cerebral-ischemia-induced-by-ligation-of-middle-cerebral-artery-in-rats
#10
Xiao-Jing Ma, Lan Wang, Xiao-Jie Yin, Zhi-Min Wang, Xiao-Qian Liu, Lei-Lei Gong, Liang-Mian Chen, Ri-Xin Liang, Hui-Min Gao
To observe the protective effect of scutellarin ethyl ester on focal cerebral ischemia injury induced by middle cerebral artery occlusion in rats(MCAOR), and explore its mechanism. Totally 84 male SD rats were randomly divided into seven groups: sham-operated group, model group,positive drug group(niomdipine,12 mg•kg⁻¹), Brevisapin tablets group(48 mg•kg⁻¹), and high, middle and low-dose scutellarin ethyl ester groups(100, 50, 25 mg•kg⁻¹). The MCAOR model was prepared by using thread embolism method to observe the neurological function of rats, the area of cerebral infarction was measured with TTC, and the levels of MDA, SOD and NO in serum were detected with semiautomatic biochemistry analyzer...
April 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29051887/uncommon-floating-knee-in-a-teenager-a-case-report-of-ipsilateral-physeal-fractures-in-distal-femur-and-proximal-tibia
#11
Youssef Othman, Lassaad Hassini, Aymen Fekih, Issam Aloui, Abderrazek Abid
INTRODUCTION: The concomitance of ipsilateral physeal fractures of the distal femur and the proximal tibia is an extremely scarce entity. It is conceptually similar to floating knee in pediatric population. CASE REPORT: One case with this injury is reported in a 16-year-old teenager. He was treated surgically by close reduction and internal fixation. The diagnosis of the tibial fracture was initially missed and the fracture was seen on the post-operative radiographs...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29051881/fracture-management-in-pyknodysostosis-a-rare-case-report
#12
G Subramanya Gandhi, V Vijayanarasimhan, Lionel John, S Kailash, E Sathish Balaji
INTRODUCTION: Pyknodysostosis is congenital osteosclerotic skeletal dysplasia of a rare entity. It is an autosomal recessive disease which presents with short stature and generalized osteosclerosis of skeleton as result of decreased bone turnover. Here, the authors report a case of pyknodysostosis who presented to our emergency room with a pathological fracture in the shaft of the femur for which operative intervention was carried out. CASE REPORT: A 30-year-old female presented to our emergency room with a history of trivial injury to right thigh region and was diagnosed as fracture in her right femur shaft region...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29051737/lack-of-contribution-of-p66shc-and-its-mitochondrial-translocation-to-ischemia-reperfusion-injury-and-cardioprotection-by-ischemic-preconditioning
#13
Kerstin Boengler, Péter Bencsik, János Palóczi, Krisztina Kiss, Márton Pipicz, Judit Pipis, Péter Ferdinandy, Klaus-Dieter Schlüter, Rainer Schulz
Whereas high amounts of reactive oxygen species (ROS) contribute to cardiac damage following ischemia and reperfusion (IR), low amounts function as trigger molecules in the cardioprotection by ischemic preconditioning (IPC). The mitochondrial translocation and contribution of the hydrogen peroxide-generating protein p66shc in the cardioprotection by IPC is unclear yet. In the present study, we investigated the mitochondrial translocation of p66shc, addressed the impact of p66shc on ROS formation after IR, and characterized the role of p66shc in IR injury per se and in the cardioprotection by IPC...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29051304/consequences-of-advanced-aging-on-renal-function-in-chronic-hyperandrogenemic-female-rat-model-implications-for-aging-women-with-polycystic-ovary-syndrome
#14
Chetan N Patil, Lorraine C Racusen, Jane F Reckelhoff
Polycystic ovary syndrome (PCOS) is the most common endocrine and reproductive disorder in premenopausal women, characterized by hyperandrogenemia, metabolic syndrome, and inflammation. Women who had PCOS during their reproductive years remain hyperandrogenemic after menopause. The consequence of chronic hyperandrogenemia with advanced aging has not been studied to our knowledge. We have characterized a model of hyperandrogenemia in female rats and have aged them to 22-25 months to mimic advanced aging in hyperandrogenemic women, and tested the hypothesis that chronic exposure to hyperandrogenemia with aging has a deleterious effect on renal function...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29051186/distinct-roles-of-intracellular-heat-shock-protein-70-hsp70-in-maintaining-gastrointestinal-homeostasis
#15
Yunwei Wang, Fanfei Lin, Xiaorong Zhu, Vanessa A Leone, Sushila R Dalal, Yun Tao, Jeannette S Messer, Eugene B Chang
The inducible heat shock protein 70 (Hsp70) is both cytoprotective and immunomodulatory, potentially accounting for its critical role in maintaining gastrointestinal homeostasis. When levels are reduced in conditions like inflammatory bowel diseases (IBD), loss of function contributes to the severity and chronicity of these diseases, although through which cell types and mechanisms remains unclear. Here, the role of Hsp70-mediated intestinal epithelial protection and immune regulation in experimental colitis was examined by using a villin-promoter driven Hsp70 transgene in the TNBS and DSS models and in IL10/Hsp70 double knockout (IL10(-/-)/Hsp70(-/-)) mice...
October 19, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29051169/epidemiology-of-injuries-in-juniors-participating-in-top-level-karate-competition-a-prospective-cohort-study
#16
Dušana Čierna, Merce Barrientos, Carlos Agrasar, Rafael Arriaza
BACKGROUND: Karate is a popular combat semi-contact sport among juniors, but there are only few studies available on the epidemiology of injuries in karate junior athletes. AIM: The aims of this study were to determine the incidence and pattern of injuries in top-level karate competition for athletes aged 16 to 20 years, and to compare injury rates between age groups (ie, under 18-year-old [U18] and under 21-year-old [U21]) and genders, following the introduction of new weight categories...
October 19, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29051083/lysophosphatidic-acid-propagates-post-injury-schwann-cell-dedifferentiation-through-lpa1-signaling
#17
Fabian Szepanowski, Leon-Phillip Szepanowski, Anne K Mausberg, Christoph Kleinschnitz, Bernd C Kieseier, Mark Stettner
Lysophosphatidic acid (LPA) is a pleiotropic signaling lipid that acts as ligand for at least six specific G-protein coupled receptors. Schwann cells (SC) are known to mainly express the LPA1 receptor subtype. An emerging body of evidence has linked LPA with injury-induced peripheral nerve demyelination as well as neuropathic pain. However, the molecular mechanisms underlying its demyelinating effect have not been conclusively elucidated. We aimed to decipher the demyelinating effect in vitro as well as in vivo by studying markers of SC differentiation and dedifferentiation: Myelinated dorsal root ganglia (DRG) cultures were treated either with LPA, LPA plus AM095 (LPA1 antagonist) or vehicle...
October 16, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29050964/surgical-site-infection-following-open-reduction-and-internal-fixation-of-a-closed-ankle-fractures-a-retrospective-multicenter-cohort-study
#18
Ran Sun, Mingqiao Li, Xiaofeng Wang, Xiaodong Li, Lumei Wu, Zheng Chen, Kang Chen
BACKGROUND: Identification of risk factors for surgical site infection (SSI) after surgical ankle fractures was important, but related evidence was inadequate. This study was conducted to investigate the incidence and risk factors for SSI after open reduction and internal fixation (ORIF) of a closed ankle fractures. METHODS: Patients who underwent ORIF for a closed ankle fractures at 3 centers between July 2015 and January 2017 were included. Electronic medical recordings (EMR) and Picture Archiving and Communication Systems (PACS) were inquired for information on patients' clinical and radiographic characteristics...
October 16, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/29050500/prophylactic-fibrinogen-decreases-postoperative-bleeding-but-not-acute-kidney-injury-in-patients-undergoing-heart-transplantation
#19
Alireza Jahangirifard, Zargham Hossein Ahmadi, Farah Naghashzadeh, Babak Sharif-Kashani, Farin Rashidfarrokhi, Ali Afshar, Reyhaneh Yamini-Sharif, Yousef Rezaie
The present study is the premier clinical attempt to scrutinize the practicability of prophylactic fibrinogen infusion in patients undergoing heart transplantation (HT). A total of 67 consecutive patients who had undergone HT between January 2012 and December 2014 were assessed. After exclusion of some patients, 23 patients were given preoperative 2 g fibrinogen concentrate over a period of 15 minutes after the termination of cardiopulmonary bypass pump and complete reversal of heparin, and 30 patients were not given...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29049267/variation-among-pediatric-orthopaedic-surgeons-when-treating-medial-epicondyle-fractures
#20
Meghan Hughes, Karan Dua, Nathan N O'Hara, Brian K Brighton, Theodore J Ganley, William L Hennrikus, Martin J Herman, Joshua E Hyman, J Todd Lawrence, Charles T Mehlman, Kenneth J Noonan, Norman Y Otsuka, Richard M Schwend, M Wade Shrader, Brian G Smith, Paul D Sponseller, Joshua M Abzug
BACKGROUND: Medial epicondyle fractures are a common pediatric and adolescent injury accounting for 11% to 20% of elbow fractures in this population. This purpose of this study was to determine the variability among pediatric orthopaedic surgeons when treating pediatric medial epicondyle fractures. METHODS: A discrete choice experiment was conducted to determine which patient and injury attributes influence the management of medial epicondyle fractures by pediatric orthopaedic surgeons...
October 18, 2017: Journal of Pediatric Orthopedics
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