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https://www.readbyqxmd.com/read/28217066/subdural-hematoma-occurred-after-spinal-anesthesia-in-a-human-immunodeficiency-virus-infected-patient
#1
Kyung Tae Kim, Ji Yeon Kim, Eun Mi Kim, Jun Hyun Kim
A 25-year-old male patient who was infected with human immunodeficiency virus (HIV) underwent a condyloma excision under spinal anesthesia. The patient complained of suspicious postdural puncture headache. The patient did not respond to conservative management. Subsequently, the subdural hematoma (SDH) was found through magnetic resonance imaging. In response, an epidural blood patch was used to improve the symptoms and inhibit the enlargement of the SDH. The patient was discharged after it was confirmed that a headache had subsided without increasing SDH...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28209841/salicylic-acid-dependent-plant-stress-signalling-via-mitochondrial-succinate-dehydrogenase
#2
Katharina Belt, Shaobai Huang, Louise F Thatcher, Hayley Casarotto, Karam Singh, Olivier Van Aken, A Harvey Millar
Mitochondria are known for their role in ATP production and generation of reactive oxygen species (ROS), but little is known about the mechanism of their early involvement in plant stress signalling. The role of mitochondrial succinate dehydrogenase (SDH) in salicylic acid (SA) signalling was analysed using two mutants; disrupted in stress response 1 (dsr1) which is a point mutation in SDH1 identified in a loss of SA signalling screen, and a knockdown mutant (sdhaf2) for SDH assembly factor 2 that is required for FAD insertion into SDH1...
February 16, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28199358/association-between-carotid-atherosclerosis-and-different-subtypes-of-hypertension-in-adult-populations-a-multiethnic-study-in-xinjiang-china
#3
Yun Wu, Fen Liu, Dilare Adi, Yi-Ning Yang, Xiang Xie, Xiao-Mei Li, Xiang Ma, Zhen-Yan Fu, Ying Huang, Bang-Dang Chen, Chun-Fang Shan, Yi-Tong Ma
BACKGROUND: Ethnic differences in non-invasive measurements of carotid atherosclerosis are being increasingly reported, but the association between carotid atherosclerosis and different subtypes of hypertension in adult populations is not fully understood in different ethnicities. We aimed to investigate the association of carotid atherosclerosis with different subtypes of hypertension in different ethnicities in Xinjiang, a northwestern province in China. METHODS: A total of 14,618 participants (5,757 Hans, 4,767 Uygurs, and 4,094 Kazakhs) from 26 villages of seven cities in Xinjiang were randomly selected from the Cardiovascular Risk Survey conducted during 2007 and 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28186445/subdural-hematoma-as-a-major-determinant-of-short-term-outcomes-in-traumatic-brain-injury
#4
Jonathan J Lee, David J Segar, John F Morrison, William M Mangham, Shane Lee, Wael F Asaad
OBJECTIVE Early radiographic findings in patients with traumatic brain injury (TBI) have been studied in hopes of better predicting injury severity and outcome. However, prior attempts have generally not considered the various types of intracranial hemorrhage in isolation and have typically not excluded patients with potentially confounding extracranial injuries. Therefore, the authors examined the associations of various radiographic findings with short-term outcome to assess the potential utility of these findings in future prognostic models...
February 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28185716/mitochondrial-complex-ii-at-the-crossroads
#5
REVIEW
Ayenachew Bezawork-Geleta, Jakub Rohlena, Lanfeng Dong, Karel Pacak, Jiri Neuzil
Mitochondrial complex II (CII), also called succinate dehydrogenase (SDH), is a central purveyor of the reprogramming of metabolic and respiratory adaptation in response to various intrinsic and extrinsic stimuli and abnormalities. In this review we discuss recent findings regarding SDH biogenesis, which requires four known assembly factors, and modulation of its enzymatic activity by acetylation, succinylation, phosphorylation, and proteolysis. We further focus on the emerging role of both genetic and epigenetic aberrations leading to SDH dysfunction associated with various clinical manifestations...
February 6, 2017: Trends in Biochemical Sciences
https://www.readbyqxmd.com/read/28185294/coexistence-of-subdural-hematoma-and-a-rare-cardiopathy-in-an-infant-etiological-and-french-medicolegal-discussion
#6
Lucile Tuchtan, Catherine Lebreton-Chakour, Barthélemy Tosello, Marjolaine Oger, Marie-Dominique Piercecchi-Marti, Christophe Bartoli
During legal proceedings following the unexpected death of an infant, the magistrate calls on an expert to clarify the causes of death and to decide on the course to be taken. A report was made following the death of a 7-month-old baby girl after recovery from cardiac arrest when investigations of the cause revealed a subdural hematoma (SDH). We discuss the interconnection of these two entities and their role in the lethal process. In this infant, two distinct lesions with medicolegal implications were simultaneously present: on the one hand histiocytoid cardiopathy, and on the other hand SDH, which could result from ill-treatment...
February 10, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28179334/potential-pitfalls-of-sdh-immunohistochemical-detection-in-paragangliomas-and-phaeochromocytomas-harbouring-germline-sdhx-gene-mutation
#7
Raffaella Santi, Elena Rapizzi, Letizia Canu, Tonino Ercolino, Gianna Baroni, Rossella Fucci, Giuseppe Costa, Massimo Mannelli, Gabriella Nesi
BACKGROUND/AIM: Germline mutations in any of the succinate dehydrogenase (SDH) genes result in destabilization of the SDH protein complex and loss of SDHB expression at immunohistochemistry. SDHA is lost together with SDHB in SDHA-mutated tumours, but its expression is retained in tumours with other SDH mutations. We investigated whether SDHA/SDHB immunohistochemistry is able to identify SDH-related tumours in a retrospective case series of phaeochromocytomas (PCCs) and paragangliomas (PGLs)...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28177959/interprofessional-medical-legal-education-of-medical-students-assessing-the-benefits-for-addressing-social-determinants-of-health
#8
Robert Pettignano, Lisa Bliss, Susan McLaren, Sylvia Caley
PROBLEM: Screening tools exist to help identify patient issues related to social determinants of health (SDH), but solutions to many of these problems remain elusive to health care providers as they require legal solutions. Interprofessional medical-legal education is essential to optimizing health care delivery. APPROACH: In 2011, the authors implemented a four-session didactic interprofessional curriculum on medical-legal practice for third-year medical students at Morehouse School of Medicine...
February 7, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28177701/acute-upregulation-of-pgc-1%C3%AE-mrna-correlates-with-training-induced-increases-in-sdh-activity-in-human-skeletal-muscle
#9
Jacob T Bonafiglia, Brittany A Edgett, Brittany L Baechler, Matthew William Nelms, Craig A Simpson, Joe Quadrilatero, Brendon J Gurd
The purpose of the present study was to determine if acute responses in pgc-1α, vegfa, sdha, and gpd1/2 mRNA expression predict their associated chronic skeletal muscle molecular (SDH/GPD activity and substrate storage) and morphological (fibre type composition and capillary density) adaptations following training. Skeletal muscle biopsies were collected from fourteen recreationally active men (age: 22.0 ± 2.4 years) before (PRE) and 3 hours after (3HR) the completion of an acute bout of SIT (eight, 20-second intervals at ~170% VO2peak work rate separated by 10 seconds of recovery)...
February 2, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28165631/a-distinctive-low-grade-oncocytic-fumarate-hydratase-deficient-renal-cell-carcinoma-morphologically-reminiscent-of-sdh-deficient-renal-cell-carcinoma
#10
Steven C Smith, Deepika Sirohi, Chisato Ohe, Jonathan B McHugh, Jason L Hornick, Jigna Kalariya, Sushil Karia, Katie Snape, Shirley V Hodgson, Andi K Cani, Daniel Hovelson, Daniel J Luthringer, Guido Martignoni, Ying-Bei Chen, Scott A Tomlins, Rohit Mehra, Mahul B Amin
AIMS: Fumarate hydratase-deficient renal cell carcinoma (FH-deficient RCC) is a high grade, aggressive tubulopapillary carcinoma, arising predominantly in the setting of the hereditary leiomyomatosis-renal cell carcinoma syndrome of familial uterocutaneous leiomyomatosis and deficiency of fumarate hydratase. In contrast, succinate dehydrogenase (SDH)-deficient RCC is a lower grade oncocytic carcinoma with cytoplasmic flocculence/vacuolation and inclusions, arising mostly in individuals harboring germline mutations of subunit B of the SDH complex (SDHB)...
February 6, 2017: Histopathology
https://www.readbyqxmd.com/read/28160241/retinal-haemorrhages-in-a-university-hospital-not-always-abusive-head-injury
#11
M Mattheij, C Venstermans, I de Veuster, I Vanderstraete, T Menovsky, P Jorens, B Ceulemans
Retinal haemorrhages (RH) and subdural haematomas (SDH) are frequently seen in abusive head trauma (AHT). The aim of our study is to show that they are suggestive, but not pathognomonic for AHT. We performed an observational retrospective study on children, aged 1-18 months old, admitted to the Antwerp University Hospital with RH. History, physical examination, medical course, coagulation and metabolic tests, skeletal survey, head circumference, retinal findings, cerebral imaging, and evaluation reports by social services or civil/criminal courts were collected...
February 3, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28158164/rapid-and-delayed-effects-of-pulsed-radiofrequency-on-neuropathic-pain-electrophysiological-molecular-and-behavioral-evidence-supporting-long-term-depression
#12
Ren-Yu Huang, Chia-Chi Liao, Shih-Ying Tsai, Chen-Tung Yen, Chii-Wann Lin, Tsung-Chi Chen, Wei-Tso Lin, Chi-Heng Chang, Yeong-Ray Wen
BACKGROUND: Pulsed radiofrequency (PRF) has been widely employed for ameliorating clinical neuropathic pain. How PRF alters electrophysiological transmission and modulates biomolecular functions in neural tissues has yet to be clarified. We previously demonstrated that an early application of low-voltage bipolar PRF adjacent to the dorsal root ganglion (DRG) reduced acute neuropathic pain in animals. By contrast, the present study investigated how PRF alters postsynaptic sensitization to produce early and delayed effects on neuropathic pain...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28154339/construction-of-a-photo-responsive-chimeric-histidine-kinase-in-escherichia-coli
#13
Mayuko Hori, Shyunsuke Oka, Yoshimi Sugie, Hokuto Ohtsuka, Hirofumi Aiba
Two-component signal transduction systems (TCS), that are also referred to as His to Asp phosphorelay systems, are involved in widespread cellular responses to diverse signals from bacteria to plants. Previously, we succeeded in reconstructing a cyanobacterial photo-perception system in Escherichia coli by employing a CcaS-CcaR two-component system from Nostoc punctiforme. In this study, we have added a photo-responsive ability to ArcB-ArcA (anoxic redox control) TCS of E. coli by fusing a cyanobacterial photoreceptor domain of CcaS with an intracellular histidine kinase (HK) domain of ArcB...
January 31, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/28153595/phenolic-compounds-the-inhibition-effect-on-polyol-pathway-enzymes
#14
Hatice Esra Aslan, Şükrü Beydemir
The polyol pathway called as sorbitol way is a small part of glycose metabolism. The pathway is regarded as an important element in the pathogenesis of various diabetic complications in individuals with diabetes mellitus. The pathway plays a crucial role in hyperglycemia. The polyol pathway contains two enzymes as aldose reductase (AR) and sorbitol dehydrogenase (SDH). In the present study, AR and SDH were purified from sheep liver by using simple chromatographic methods. AR was purified with a yield of 2.11% and approximately 162 fold and SDH was purified with a yield of 0...
January 30, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28131843/inhibition-of-drp1-attenuates-mitochondrial-damage-and-myocardial-injury-in-coxsackievirus-b3-induced-myocarditis
#15
Lin Lin, Ming Zhang, Rui Yan, Hu Shan, Jiayu Diao, Jin Wei
Viral myocarditis (VMC) is closely related to apoptosis, oxidative stress, innate immunity, and energy metabolism, which are all linked to mitochondrial dysfunction. A close nexus between mitochondrial dynamics and cardiovascular disease with mitochondrial dysfunction has been deeply researched, but there is still no relevant report in viral myocarditis. In this study, we aimed to explore the role of Dynamin-related protein 1 (Drp1)-linked mitochondrial fission in VMC. Mice were inoculated with the Coxsackievirus B3 (CVB3) and treated with mdivi1 (a Drp1 inhibitor)...
March 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28130400/genome-wide-analyses-identifies-men1-and-max-mutations-and-a-neuroendocrine-like-molecular-heterogeneity-in-quadruple-wt-gist
#16
Maria A Pantaleo, Milena Urbini, Valentina Indio, Gloria Ravegnini, Margherita Nannini, Matilde De Luca, Giuseppe Tarantino, Sabrina Angelini, Alessandro Gronchi, Bruno Vincenzi, Giovanni Grignani, Chiara Colombo, Elena Fumagalli, Lidia Gatto, Maristella Saponara, Manuela Ianni, Paola Paterini, Donatella Santini, Maria Giulia Pirini, Claudio Ceccarelli, Annalisa Altimari, Elisa Gruppioni, Salvatore L Renne, Paola Collini, Silvia Stacchiotti, Giovanni Brandi, Paolo G Casali, Antonio D Pinna, Annalisa Astolfi, Guido Biasco
: Quadruple wild-type (WT) gastrointestinal stromal tumors (GIST) is a genomic subgroup lacking KIT/PDGFRA/RAS pathways mutations, with an intact succinate dehydrogenase (SDH) complex. The aim of this work is to perform a wide comprehensive genomic study on quadruple WT GIST to improve the characterization of these patients. We selected 14 clinical cases of quadruple WT GIST, of which nine cases showed sufficient DNA quality for Whole Exome Sequencing (WES). NF1 alterations were identified directly by WES...
January 27, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28123632/effects-of-averrhoa-carambola-l-oxalidaceae-juice-mediated-on-hyperglycemia-hyperlipidemia-and-its-influence-on-regulatory-protein-expression-in-the-injured-kidneys-of-streptozotocin-induced-diabetic-mice
#17
Hoa Thi Thai Pham, Wansu Huang, Chuangye Han, Juman Li, Qiuqiao Xie, Jinbin Wei, Xiaohui Xu, Zefeng Lai, Xiang Huang, Renbin Huang, Qingwei Wen
Recently, many reports have shown that Averrhoa carambola L. (Oxalidaceae) juice (EACJ) could reduce blood glucose in humans. However, its mechanisms have not been well explored; therefore, our study aimed to investigate the beneficial effects of EACJ on hyperglycemia, hyperlipidemia and renal injury in streptozotocin (STZ)-induced diabetic mice. Those mice were injected with STZ via the tail vein (120 mg/kg body weight) and were identified as diabetic mice when the level of blood glucose was ≥ 11.1 mmol/L...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28123022/tnf-%C3%AE-differentially-regulates-synaptic-plasticity-in-the-hippocampus-and-spinal-cord-by-microglia-dependent-mechanisms-after-peripheral-nerve-injury
#18
Yong Liu, Li-Jun Zhou, Jun Wang, Dai Li, Wen-Jie Ren, Jiyun Peng, Xiao Wei, Ting Xu, Wen-Jun Xin, Rui-Ping Pang, Yong-Yong Li, Zhi-Hai Qin, Madhuvika Murugan, Mark P Mattson, Long-Jun Wu, Xian-Guo Liu
: Clinical studies show that chronic pain is accompanied by memory deficits and reduction in hippocampal volume. Experimental studies show that spared nerve injury (SNI) of the sciatic nerve induces long-term potentiation (LTP) at C-fiber synapses in spinal dorsal horn, but impairs LTP in the hippocampus. The opposite changes may contribute to neuropathic pain and memory deficits, respectively. However, the cellular and molecular mechanisms underlying the functional synaptic changes are unclear...
January 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28110222/trade-liberalization-and-social-determinants-of-health-a-state-of-the-literature-review
#19
REVIEW
Courtney McNamara
The health impacts of trade liberalization are often described in relation to access to medicines, changing dietary patterns, tobacco use and alcohol consumption. The impacts of trade liberalization on the social determinants of health (SDH), are by contrast, less well known. Missing is an account of how liberalizing processes identified across different research areas relate to each other and how the association between trade liberalization and health is conceptualized within each of them, especially with reference to SDH...
December 26, 2016: Social Science & Medicine
https://www.readbyqxmd.com/read/28109906/succinate-in-the-cancer-immune-cycle
#20
Shuai Jiang, Wei Yan
Succinate is an important intermediate of the tricarboxylic acid (TCA) cycle. In mitochondria, it plays a crucial role in generating adenosine triphosphate. Succinate metabolism is also intertwined with the metabolism of other metabolites and with the "GABA shunt" of the glutamine pathway. Recently, it has become increasingly apparent that the roles of succinate extend into the realms of immunity and cancer. Succinate is a key modulator of the hypoxic response, an important player in tumorigenesis; succinate is also involved in protein succinylation, a novel posttranslational modification pathway...
April 1, 2017: Cancer Letters
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