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https://www.readbyqxmd.com/read/28934803/two-interesting-cases-of-meralgia-paraesthetica
#1
Christopher David Jones, Luke Guiot, Mark Portelli, Timothy Bullen, Paul Skaife
Meralgia paraesthetica (MP) is a condition originally described by Bernhardt in 1878 and was eventually named by Roth in 1895. It is caused by compression of the lateral femoral cutaneous nerve (LFCN) resulting in varying types of discomfort. Severity of the symptoms can range from mildly uncomfortable to painfully disabling. In this article we discuss 2 patients with a LFCN injury occurring as a result of laparoscopic ventral rectopexy (LVR). The first patient is a 46-year-old female who reported pain and dysesthesia in the left groin and the anterolateral thigh, 2 days post LCR...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934748/severe-drug-induced-liver-injury-as-an-adverse-drug-event-of-antibiotics-a-case-report-and-review-of-the-literature
#2
Martin Munz, Hans Grummich, Josef Birkmann, Martin Wilhelm, Ulrike Holzgrabe, Fritz Sörgel
Drug-induced liver injury is one of the main reasons for acute liver failure. We report the case of a young patient who experienced a drug-induced liver injury resulting in life-threatening acute liver failure after treatment with different antibiotics (amoxicillin, ciprofloxacin, cefazolin, clindamycin) and acetaminophen, or a combination of these drugs. Moreover, we provide an overview of the hepatotoxic potential of these drugs.
September 22, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28934735/effect-of-shikonin-on-spinal-cord-injury-in-rats-via-regulation-of-hmgb1-tlr4-nf-kb-signaling-pathway
#3
Yihui Bi, Yapeng Zhu, Mingkai Zhang, Keke Zhang, Xingyi Hua, Zheng Fang, Jian Zhou, Wenjie Dai, Yixing Cui, Jun Li, Tao You
BACKGROUND/AIMS: Shikonin, a compound extracted from Zicao, has been demonstrated to hold anti-bacterial, anti-inflammatory, and anti-tumor activities in various diseases and it has been shown to protect human organs from injuries. However, the effect of shikonin on the recovery of spinal cord injury (SCI) remains unknown. This study was designed to estimate the potential therapeutic effect and underlying mechanism of shikonin on SCI in vivo. METHODS: In the study, we used HE staining, ELISA assay, transfection assay, TUNEL assay, real time PCR and Western blot to detect the effects of shikonin on spinal cord injury in rats...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28934733/exosomes-from-human-induced-pluripotent-stem-cell-derived-mesenchymal-stromal-cells-hipsc-mscs-protect-liver-against-hepatic-ischemia-reperfusion-injury-via-activating-sphingosine-kinase-and-sphingosine-1-phosphate-signaling-pathway
#4
Yingdong Du, Dawei Li, Conghui Han, Haoyu Wu, Longmei Xu, Ming Zhang, Jianjun Zhang, Xiaosong Chen
BACKGROUND/AIMS: This study aimed to evaluate the effects of exosomes produced by human-induced pluripotent stem cell-derived mesenchymal stromal cells (hiPSC-MSCs-Exo) on hepatic ischemia-reperfusion (I/R) injury, as well as the underlying mechanisms. METHODS: Exosomes derived from hiPSC-MSCs were isolated and characterized both biochemically and biophysically. hiPSC-MSCs-Exo were injected systemically into a murine ischemia/reperfusion injury model via the inferior vena cava, and then the therapeutic effects were evaluated...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28934703/an-empirical-bayes-before-after-evaluation-of-road-safety-effects-of-a-new-motorway-in-norway
#5
Rune Elvik, Heidi Ulstein, Kristina Wifstad, Ragnhild S Syrstad, Aase R Seeberg, Magnus U Gulbrandsen, Morten Welde
This paper presents an Empirical Bayes before-after evaluation of the road safety effects of a new motorway (freeway) in Østfold county, Norway. The before-period was 1996-2002. The after-period was 2009-2015. The road was rebuilt from an undivided two-lane road into a divided four-lane road. The number of killed or seriously injured road users was reduced by 75 percent, controlling for (downward) long-term trends and regression-to-the-mean (statistically significant at the 5 percent level; recorded numbers 71 before, 11 after)...
September 18, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28934563/hemophagocytic-lymphohistiocytosis
#6
Hanny Al-Samkari, Nancy Berliner
Hemophagocytic lymphohistiocytosis is a life-threatening disorder characterized by unbridled activation of cytotoxic T lymphocytes, natural killer (NK) cells, and macrophages resulting in hypercytokinemia and immunemediated injury of multiple organ systems. It is seen in both children and adults and is recognized as primary (driven by underlying genetic mutations that abolish critical proteins required for normal function of cytotoxic T cells and NK cells) or secondary (resulting from a malignant, infectious, or autoimmune stimulus without an identifiable underlying genetic trigger)...
September 13, 2017: Annual Review of Pathology
https://www.readbyqxmd.com/read/28934542/complications-associated-with-pelvic-external-fixation
#7
Christopher McDonald, Reza Firoozabadi, M L Routt, Conor Kleweno
An external fixator is an essential tool for treating unstable pelvic ring injuries but its use carries risks, including pin-site infections and injury to the lateral femoral cutaneous nerve (LFCN). Surgeons currently lack data regarding these risks for patient counseling. This study aimed to identify the incidence of and risk factors for superficial and deep pin-site infection and LFCN damage. Fifty-two patients who underwent pelvic external fixation with anterior pin placement as part of definitive treatment for unstable pelvic ring disruption were retrospectively evaluated to identify factors associated with the development of infection...
September 21, 2017: Orthopedics
https://www.readbyqxmd.com/read/28934511/multi-drug-resistant-surgical-site-infection-due-to-mycobacterium-abscessus-complex
#8
Richa Misra, Vidhi Jain, Nidhi Tejan, Aarti Negi, Jyoti Umrao, Tapan Nirodhechand Dhole
M. abscessus complex is notoriously resistant to most antimicrobial agents. The complex is differentiated into 3 subspecies: M. abscessus subsp. abscessus, M. abscessus subsp. massiliense, and M. abscessus subsp. bolletii. Skin and soft tissue infections due to this organism can be acquired by direct contact with contaminated material through traumatic injury, surgical wound and environmental exposure or by secondary involvement of skin/soft tissue during disseminated disease. We report a case of Mycobacterium abscessus infection recovered from a post-operative mid-line abdominal wound to illustrate the diagnostic and management difficulties encountered in such patients...
August 1, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28934444/letter-guidelines-for-the-management-of-severe-traumatic-brain-injury-fourth-edition
#9
Rob Dickerman, Ashley Reynolds, Julie Williamson, Karl Winters
No abstract text is available yet for this article.
October 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28934366/early-metabolite-changes-after-melatonin-treatment-in-neonatal-rats-with-hypoxic-ischemic-brain-injury-studied-by-in-vivo1h-mr-spectroscopy
#10
Hester Rijkje Berger, Axel K G Nyman, Tora Sund Morken, Riyas Vettukattil, Ann-Mari Brubakk, Marius Widerøe
Melatonin is a promising neuroprotective agent after perinatal hypoxic-ischemic (HI) brain injury. We used in-vivo 1H magnetic resonance spectroscopy to investigate effects of melatonin treatment on brain metabolism after HI. Postnatal day 7 Sprague-Dawley rats with unilateral HI brain injury were treated with either melatonin 10 mg/kg dissolved in phosphate-buffered saline (PBS) with 5% dimethyl sulfoxide (DMSO) or vehicle (5% DMSO and/or PBS) directly and at 6 hours after HI. 1H MR spectra from the thalamus in the ipsilateral and contralateral hemisphere were acquired 1 day after HI...
2017: PloS One
https://www.readbyqxmd.com/read/28934365/murine-glomerular-transcriptome-links-endothelial-cell-specific-molecule-1-deficiency-with-susceptibility-to-diabetic-nephropathy
#11
Xiaoyi Zheng, Fariborz Soroush, Jin Long, Evan T Hall, Puneeth K Adishesha, Sanchita Bhattacharya, Mohammad F Kiani, Vivek Bhalla
Diabetic nephropathy (DN) is the leading cause of kidney disease; however, there are no early biomarkers and no cure. Thus, there is a large unmet need to predict which individuals will develop nephropathy and to understand the molecular mechanisms that govern this susceptibility. We compared the glomerular transcriptome from mice with distinct susceptibilities to DN at four weeks after induction of diabetes, but before histologic injury, and identified differential regulation of genes that modulate inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28934364/the-histone-variant-macroh2a-confers-functional-robustness-to-the-intestinal-stem-cell-compartment
#12
Ryan James Cedeno, Angela Nakauka-Ddamba, Maryam Yousefi, Stephanie Sterling, Nicolae Adrian Leu, Ning Li, John R Pehrson, Christopher Joachim Lengner
A stem cell's epigenome directs cell fate during development, homeostasis, and regeneration. Epigenetic dysregulation can lead to inappropriate cell fate decisions, aberrant cell function, and even cancer. The histone variant macroH2A has been shown to influence gene expression, guide cell fate, and safeguard against genotoxic stress. Interestingly, mice lacking functional macroH2A histones (hereafter referred to as macroH2A DKO) are viable and fertile; yet suffer from increased perinatal death and reduced weight and size compared to wildtype (WT)...
2017: PloS One
https://www.readbyqxmd.com/read/28934276/enhanced-pyruvate-dehydrogenase-activity-improves-cardiac-outcomes-in-a-murine-model-of-cardiac-arrest
#13
Lin Piao, Yong-Hu Fang, Manfred M Kubler, Michael W Donnino, Willard W Sharp
RATIONALE: Post-ischemic changes in cellular metabolism alter myocardial and neurological function. Pyruvate dehydrogenase (PDH), the limiting step in mitochondrial glucose oxidation, is inhibited by increased expression of PDH kinase (PDK) during ischemia/reperfusion injury. This results in decreased utilization of glucose to generate cellular ATP. Post-cardiac arrest (CA) hypothermia improves outcomes and alters metabolism, but its influence on PDH and PDK activity following CA are unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28934273/novel-derivative-of-paeonol-paeononlsilatie-sodium-alleviates-behavioral-damage-and-hippocampal-dendritic-injury-in-alzheimer-s-disease-concurrent-with-cofilin1-phosphorylated-cofilin1-and-rac1-cdc42-alterations-in-rats
#14
Fei Han, Ting-Ting Zhuang, Jing-Jing Chen, Xiu-Ling Zhu, Ya-Fei Cai, Ya-Ping Lu
Alzheimer's disease (AD) is a typical hippocampal amnesia and the most common senile dementia. Many studies suggest that cognitive impairments are more closely correlated with synaptic loss than the burden of amyloid deposits in AD progression. To date, there is no effective treatment for this disease. Paeonol has been widely employed in traditional Chinese medicine. This compound improves learning behavior in an animal model; however, the mechanism remains unclear. In this study, Paeononlsilatie sodium (Pa), a derivative of Paeonol, attenuated D-galactose (D-gal) and AlCl3-induced behavioral damages in rats based on evaluations of the open field test (OFT), elevated plus maze test (EPMT), and Morris water maze test (MWMT)...
2017: PloS One
https://www.readbyqxmd.com/read/28934247/the-extent-of-intrauterine-growth-restriction-determines-the-severity-of-cerebral-injury-and-neurobehavioural-deficits-in-rodents
#15
Crystal A Ruff, Stuart D Faulkner, Prakasham Rumajogee, Stephanie Beldick, Warren Foltz, Jennifer Corrigan, Alfred Basilious, Shangjun Jiang, Shanojan Thiyagalingam, Jerome Y Yager, Michael G Fehlings
BACKGROUND: Cerebral Palsy (CP) is the most common physical pediatric neurodevelopmental disorder and spastic diplegic injury is its most frequent subtype. CP results in substantial neuromotor and cognitive impairments that have significant socioeconomic impact. Despite this, its underlying pathophysiological mechanisms and etiology remain incompletely understood. Furthermore, there is a need for clinically relevant injury models, which a) reflect the heterogeneity of the condition and b) can be used to evaluate new translational therapies...
2017: PloS One
https://www.readbyqxmd.com/read/28934241/hla-dr7-and-hla-dq2-transgenic-mouse-strains-tested-as-a-model-system-for-ximelagatran-hepatotoxicity
#16
Hanna Lundgren, Klara Martinsson, Karin Cederbrant, Johan Jirholt, Daniel Mucs, Katja Madeyski-Bengtson, Said Havarinasab, Per Hultman
The oral thrombin inhibitor ximelagatran was withdrawn in the late clinical trial phase because it adversely affected the liver. In approximately 8% of treated patients, drug-induced liver injury (DILI) was expressed as transient alanine transaminase (ALT) elevations. No evidence of DILI had been revealed in the pre-clinical in vivo studies. A whole genome scan study performed on the clinical study material identified a strong genetic association between the major histocompatibility complex alleles for human leucocyte antigens (HLA) (HLA-DR7 and HLA-DQ2) and elevated ALT levels in treated patients...
2017: PloS One
https://www.readbyqxmd.com/read/28934227/hemorrhage-enhances-cytokine-complement-component-3-and-caspase-3-and-regulates-micrornas-associated-with-intestinal-damage-after-whole-body-gamma-irradiation-in-combined-injury
#17
Juliann G Kiang, Joan T Smith, Marsha N Anderson, Thomas B Elliott, Paridhi Gupta, Nagaraja S Balakathiresan, Radha K Maheshwari, Barbara Knollmann-Ritschel
Hemorrhage following whole-body γ-irradiation in a combined injury (CI) model increases mortality compared to whole-body γ-irradiation alone (RI). The decreased survival in CI is accompanied by increased bone marrow injury, decreased hematocrit, and alterations of miRNA in the kidney. In this study, our aim was to examine cytokine homeostasis, susceptibility to systemic bacterial infection, and intestinal injury. More specifically, we evaluated the interleukin-6 (IL-6)-induced stress proteins including C-reactive protein (CRP), complement 3 (C3), Flt-3 ligand, and corticosterone...
2017: PloS One
https://www.readbyqxmd.com/read/28934226/pathological-alterations-in-liver-injury-following-congestive-heart-failure-induced-by-volume-overload-in-rats
#18
Mohammed Shaqura, Doaa M Mohamed, Noureddin B Aboryag, Lama Bedewi, Lukas Dehe, Sascha Treskatsch, Mehdi Shakibaei, Michael Schäfer, Shaaban A Mousa
Heart failure has emerged as a disease with significant public health implications. Following progression of heart failure, heart and liver dysfunction are frequently combined in hospitalized patients leading to increased morbidity and mortality. Here, we investigated the underlying pathological alterations in liver injury following heart failure. Heart failure was induced using a modified infrarenal aortocaval fistula (ACF) in male Wistar rats. Sham operated and ACF rats were compared for their morphometric and hemodynamic data, for histopathological and ultrastructural changes in the liver as well as differences in the expression of apoptotic factors...
2017: PloS One
https://www.readbyqxmd.com/read/28934194/arginine-vasopressin-ameliorates-spatial-learning-impairments-in-chronic-cerebral-hypoperfusion-via-v1a-receptor-and-autophagy-signaling-partially
#19
C Yang, X Zhang, J Gao, M Wang, Z Yang
Chronic cerebral hypoperfusion (CCH) is a major factor contributing to neurological disorders and cognitive decline. Autophagy activation is believed to provide both beneficial and detrimental roles during hypoxic/ischemic cellular injury. Although arginine vasopressin (AVP) has been strongly involved in many behaviors, especially in learning and memory, the effects of AVP on CCH and their molecular mechanisms remain unclear. Here, to investigate whether there was neuroprotective effects of AVP on CCH through V1a receptor (an AVP receptor) signaling, permanent bilateral carotid arteries occlusion (two vessel occlusion, 2VO) was used to establish a rat model of CCH, and hypertonic saline (5...
July 18, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28934166/is-branched-chain-amino-acids-supplementation-an-efficient-nutritional-strategy-to-alleviate-skeletal-muscle-damage-a-systematic-review
#20
REVIEW
Alexandre Fouré, David Bendahan
Amino acids and more precisely, branched-chain amino acids (BCAAs), are usually consumed as nutritional supplements by many athletes and people involved in regular and moderate physical activities regardless of their practice level. BCAAs have been initially shown to increase muscle mass and have also been implicated in the limitation of structural and metabolic alterations associated with exercise damage. This systematic review provides a comprehensive analysis of the literature regarding the beneficial effects of BCAAs supplementation within the context of exercise-induced muscle damage or muscle injury...
September 21, 2017: Nutrients
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