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Myonecrosis

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https://www.readbyqxmd.com/read/28631825/studies-on-the-occurrence-of-infectious-myonecrosis-virus-in-pond-reared-litopenaeus-vannamei-boone-1931-in-india
#1
A S Sahul Hameed, S Abdul Majeed, S Vimal, N Madan, T Rajkumar, S Santhoshkumar, S Sivakumar
Whiteleg shrimp, Litopenaeus vannamei, with clinical sign of muscle opaqueness with reddish colour at the distal abdominal segments were observed in farms located in West Bengal State, India. The mortality of shrimp in all disease outbreak ponds ranged from 20% to 50%, and mortality increased gradually. The RT-PCR assay of these samples using primer sets specific to infectious myonecrosis virus (IMNV) revealed its presence in the disease outbreak ponds. The IMNV infection was reproduced in healthy shrimp by intramuscular injection to satisfy River's postulates...
June 20, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28630772/severe-rhabdomyolysis-due-to-presumed-drug-interactions-between-atorvastatin-with-amlodipine-and-ticagrelor
#2
Iouri Banakh, Kavi Haji, Ross Kung, Sachin Gupta, Ravindranath Tiruvoipati
Atorvastatin and ticagrelor combination is a widely accepted therapy for secondary prevention of ischaemic heart disease. However, rhabdomyolysis is a well-known rare side effect of statins which should be considered when treatments are combined with cytochrome P450 3A4 enzyme inhibitors. We report a case of atorvastatin and ticagrelor associated severe rhabdomyolysis that progressed to multiorgan failure requiring renal replacement therapy, inotropes, intubation, and mechanical ventilation. Despite withdrawal of the precipitating cause and the supportive measures including renal replacement therapy, creatinine kinase increased due to ongoing rhabdomyolysis rapidly progressing to upper and lower limbs weakness...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28625478/a-neonatal-mouse-model-of-coxsackievirus-a10-infection-for-anti-viral-evaluation
#3
Shuxuan Li, Huan Zhao, Lisheng Yang, Wangheng Hou, Longfa Xu, Yangtao Wu, Wei Wang, Chunye Chen, Junkai Wan, Xiangzhong Ye, Zhenglun Liang, Qunying Mao, Tong Cheng, Ningshao Xia
Epidemiological data indicate that coxsackievirus A10 (CVA10) has become one of the main causative agents of hand, foot and mouth disease (HFMD) and in recent years has often been found to co-circulate with other enteroviruses, which poses a challenge for the prevention and control of HFMD. Although most CVA10-associated HFMD cases present mild symptoms, severe manifestations and even death can also occur. However, the study of the pathogenesis and the development of drugs and vaccines for CVA10 infection is still far from complete...
June 15, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28612300/effects-of-photobiomodulation-therapy-on-bothrops-moojeni-snake-envenomed-gastrocnemius-of-mice-using-enzymatic-biomarkers
#4
Doroty Mesquita Dourado, Rosemary Matias, Marcos Barbosa-Ferreira, Baldomero Antonio Kato da Silva, Jéssica de Araujo Isaias Muller, Willians Fernando Vieira, Maria Alice da Cruz-Höfling
Bothropic venom contains a range of biologically active substances capable of causing severe local and systemic envenoming symptomatology within its victims. The snake anti-venom is effective against systemic effects but has no neutralizing effect against the fast developing local effects. Herein, mice gastrocnemius injected with Bothrops moojeni venom (40 μg/kg) or saline solution were irradiated with HeNe (632.8 nm) and GaAs (904 nm) lasers (daily energy density of 4 J/cm(2); 0.03/0.21 power density; 0...
June 13, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28606819/cytotoxicity-of-cerastes-cerastes-snake-venom-involvement-of-imbalanced-redox-status
#5
Hayet Kebir-Chelghoum, Fatima Laraba-Djebari
Envenomation caused by Cerastes cerastes snake venom is characterized by a local and a systemic tissue damage due to myonecrosis, hemorrhage, edema and acute muscle damage. The present study aimed to evaluate the relationship between the pro/anti-oxidants status and the cytotoxicity of C. cerastes snake venom. The in vivo cytotoxicity analysis was undertaken by the injection of C. cerastes venom (48μg/20g body weight) by i.p. route, mice were then sacrificed at 3, 24 and 48h post injection, organs were collected for further analysis...
June 9, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28588654/complete-genome-sequence-of-clostridium-perfringens-cba7123-isolated-from-a-faecal-sample-from-korea
#6
Yeon Bee Kim, Joon Yong Kim, Hye Seon Song, Changsu Lee, Joseph Kwon, Jisu Kang, Jin-Kyu Rhee, Myeong Seon Jeong, Young-Do Nam, Seong Woon Roh
BACKGROUND: Clostridium perfringens is an opportunistic human pathogen that causes necrotic enteritis, mild diarrhea, clostridial myonecrosis or gas gangrene, sepsis, etc. In this study, we aim to determine the pathogenesis of this bacterium at the genomic level. The genome of strain CBA7123 was sequenced, and a comparative genomic analysis between strain CBA7123 and four other related C. perfringens strains was performed. RESULTS: The genome of strain CBA7123 consisted of one circular chromosome and one plasmid that were 3,088,370 and 46,640 bp long with 28...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28584794/correlations-between-high-platelet-reactivity-extent-of-coronary-artery-disease-and-periprocedural-myonecrosis-in-patients-with-acute-coronary-syndrome
#7
Kyeong Ho Yun, Jum Suk Ko, Jeong Mi Lee, Sang Jae Rhee
The purpose of the present study was to evaluate the correlations between high platelet reactivity (HPR) and the extent of coronary atherosclerosis and periprocedural myonecrosis in patients with acute coronary syndrome (ACS) who underwent percutaneous coronary intervention (PCI). A total of 485 patients who underwent PCI for ACS was studied. HPR was defined as ≥230 platelet reactivity units (PRU) in point-of-care P2Y12 tested by the VerifyNow assay. The incidence of multi-vessel disease (MVD) was higher in patients with HPR than those with no HPR (56...
May 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/28527998/molecular-cloning-and-structural-modelling-of-gamma-phospholipase-a2-inhibitors-from-bothrops-atrox-and-micrurus-lemniscatus-snakes
#8
Carina G Picelli, Rafael J Borges, Carlos A H Fernandes, Fabio M Matioli, Carla F C Fernandes, Juliana C Sobrinho, Rudson J Holanda, Luiz S Ozaki, Anderson M Kayano, Leonardo A Calderon, Marcos R M Fontes, Rodrigo G Stábeli, Andreimar M Soares
Phospholipases A2 inhibitors (PLIs) produced by venomous and non-venomous snakes play essential role in this resistance. These endogenous inhibitors may be classified by their fold in PLIα, PLIβ and PLIγ. Phospholipases A2 (PLA2s) develop myonecrosis in snake envenomation, a consequence that is not efficiently neutralized by antivenom treatment. This work aimed to identify and characterize two PLIs from Amazonian snake species, Bothrops atrox and Micrurus lemniscatus. Liver tissues RNA of specimens from each species were isolated and amplified by RT-PCR using PCR primers based on known PLIγ gene sequences, followed by cloning and sequencing of amplified fragments...
May 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28481405/hsp70-gene-polymorphisms-in-farmed-marine-shrimp-litopenaeus-vannamei-populations-exposed-to-white-spot-disease-and-infectious-myonecrosis
#9
A L Ferreira, R Maggioni, D Conceição, L M Perazzolo, R L Petersen
Single nucleotide polymorphisms (SNPs) are the best genetic markers for associative studies of the immune system in invertebrates. In the marine shrimp Litopenaeus vannamei, SNPs linked to disease resistance have been reported for some genes, such as hemocyanin, anti-lipopolysaccharide factor, and heat-shock protein 70 (Hsp70). In the present study, polymorphisms in the Hsp70 gene were investigated among three commercial L. vannamei populations bred in Northeast and South Brazil. The first population withstood a strong white spot disease outbreak; the second population suffered extended exposure to infectious myonecrosis; the third population was a high health population, which was experimentally infected with white spot syndrome virus (WSSV) in the present study...
May 4, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28469499/a-case-of-statin-associated-autoimmune-myopathy
#10
Alexander J Sweidan, Anthony Leung, Cassandra J Kaiser, Sarah J Strube, Andrei N Dokukin, Stephen Romansky, Sassan Farjami
A 70-year-old previously independent man developed progressive proximal leg weakness resulting in a fall at home suffering traumatic brain injury. He was prescribed a statin medication two years prior, but this was discontinued on admission to the hospital due to concern for statin myopathy. His weakness continued to progress while in acute rehabilitation, along with the development of dysphagia requiring placement of gastrostomy tube and respiratory failure requiring tracheostomy. Corticosteroids and intravenous immunoglobulin were administered without response...
2017: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28439287/rattlesnake-crotalus-molossus-nigrescens-venom-induces-oxidative-stress-on-human-erythrocytes
#11
David Meléndez-Martínez, Juan Manuel Muñoz, Guillermo Barraza-Garza, Martha Sandra Cruz-Peréz, Ana Gatica-Colima, Emilio Alvarez-Parrilla, Luis Fernando Plenge-Tellechea
BACKGROUND: Globally, snake envenomation is a well-known cause of death and morbidity. In many cases of snakebite, myonecrosis, dermonecrosis, hemorrhage and neurotoxicity are present. Some of these symptoms may be provoked by the envenomation itself, but others are secondary effects of the produced oxidative stress that enhances the damage produced by the venom toxins. The only oxidative stress effect known in blood is the change in oxidation number of Fe (from ferrous to ferric) in hemoglobin, generating methemoglobin but not in other macromolecules...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28427959/beneficial-effects-of-heparin-and-l-arginine-on-dermonecrosis-effect-induced-by-vipera-lebetina-venom-involvement-of-no-in-skin-regeneration
#12
Nouara Bennacef-Heffar, Fatima Laraba-Djebari
It is well known that snake venoms such as Viperidae caused severe local effects such as hemorrhage, myonecrosis and dermonecrosis which can lead to permanent tissue loss or the disability. The aim of this study is to evaluate the skin regeneration using heparin and l-arginine as well as the dermonecrotic effects induced by Vipera lebetina venom (VLV). To better understand the toxic effects induced by VLV and to prevent or treat these effects, we evaluate the local effects and the skin regeneration with or without drugs...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28375162/the-protective-effect-of-apigenin-on-myocardial-injury-in-diabetic-rats-mediating-activation-of-the-ppar-%C3%AE-pathway
#13
Umesh B Mahajan, Govind Chandrayan, Chandragouda R Patil, Dharamvir Singh Arya, Kapil Suchal, Yogeeta O Agrawal, Shreesh Ojha, Sameer N Goyal
We substantiated the role of peroxisome proliferator-activated receptor-γ (PPAR-γ) activation in the protective effect of apigenin against the myocardial infarction (MI) in diabetic rats. Diabetes was induced by intraperitoneal administration of a single dose of streptozotocin (55 mg/kg). The study groups included diabetic rats receiving vehicle, apigenin (75 mg/kg/day, orally), GW9662 (1 mg/kg/day, intraperitoneally), and a combination of apigenin and GW9662 for 14 days. The MI was induced in all the study groups except the diabetic control group by subcutaneous injection of 100 mg/kg/day of isoproterenol on the two terminal days...
April 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28347748/local-and-hematological-alterations-induced-by-philodryas-olfersii-snake-venom-in-mice
#14
Juliana S Oliveira, Luciana B Sant'Anna, Manoel C Oliveira Junior, Pamella R M Souza, Adilson S Andrade Souza, Wellington Ribeiro, Rodolfo P Vieira, Stephen Hyslop, José C Cogo
Envenomation by the South American opisthoglyphous snake Philodryas olfersii causes local pain, edema, erythema and ecchymosis; systemic envenomation is rare. In this work, we examined the inflammatory activity of P. olfersii venom (10, 30 and 60 μg) in mouse gastrocnemius muscle 6 h after venom injection. Intramuscular injection of venom did not affect hematological parameters such as red cell count, hemoglobin, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration...
June 15, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28347665/discovery-of-small-molecule-inhibitors-for-the-snake-venom-metalloprotease-bap1-using-in-silico-and-in-vitro-tests
#15
Fabian Villalta-Romero, Luiz Borro, Boris Mandic, Teresa Escalante, Alexandra Rucavado, Jose María Gutiérrez, Goran Neshich, Ljubica Tasic
Snakebites represent an important public health problem, with a great number of victims with permanent sequelae or fatal outcomes, particularly in rural, agriculturally active areas. The snake venom metalloproteases (SVMPs) are the principal proteins responsible for some clinically-relevant effects, such as local and systemic hemorrhage, dermonecrosis, and myonecrosis. Because of the difficulties in neutralizing them rapidly and locally by antivenoms, the search and design of small molecules as inhibitors of SVMPs are proposed...
May 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28323644/pediatric-acute-compartment-syndrome
#16
Kristin S Livingston, Michael P Glotzbecker, Benjamin J Shore
Pediatric acute compartment syndrome (PACS) is a clinical entity that must be carefully differentiated from the adult version (ie, acute compartment syndrome). Healthcare providers must understand the variable etiologies of PACS, of which trauma is the most common but can also include vascular insult, infection, surgical positioning, neonatal phenomena, overexertion, and snake and insect bites. In addition to the unique etiologies of PACS, providers must also recognize the different signs and symptoms of PACS...
May 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28318191/a-fatal-clostridium-perfringens-infection-with-hemolysis-after-chemotherapy-in-an-adolescent
#17
Musa G Kukul, Kısmet Ciki, Eda Karadag-Oncel, Ali B Cengiz, Baris Kuskonmaz, Betul Tavil, Selman Kesici
Gas gangrene, clostridial myonecrosis, is one of the most serious infectious diseases, characterized by rapidly progressive destruction of deep soft tissues and production of gas within the tissues. We presented a case of fatal spontaneous gas gangrene due to Clostridium perfringens in a patient with acute lymphoblastic leukemia during remission induction chemotherapy phase.
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28306718/experimental-bothrops-atrox-envenomation-efficacy-of-antivenom-therapy-and-the-combination-of-bothrops-antivenom-with-dexamethasone
#18
Gabriella Neves Leal Santos Barreto, Sâmella Silva de Oliveira, Isabelle Valle Dos Anjos, Hipocrates de Menezes Chalkidis, Rosa Helena Veras Mourão, Ana Maria Moura-da-Silva, Ida Sigueko Sano-Martins, Luis Roberto de Camargo Gonçalves
Bothrops atrox snakes are the leading cause of snake bites in Northern Brazil. The venom of this snake is not included in the antigen pool used to obtain the Bothrops antivenom. There are discrepancies in reports on the effectiveness of this antivenom to treat victims bitten by B. atrox snakes. However, these studies were performed using a pre-incubation of the venom with the antivenom and, thus, did not simulate a true case of envenomation treatment. In addition, the local lesions induced by Bothrops venoms are not well resolved by antivenom therapy...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28281830/imaging-of-musculoskeletal-manifestations-in-sickle-cell-disease-patients
#19
REVIEW
Vijaya Kosaraju, Alok Harwani, Sasan Partovi, Nicholas Bhojwani, Vasant Garg, Sabarish Ayyappan, Christos Kosmas, Mark Robbin
Sickle cell disease (SCD) is a hereditary red cell disorder with clinical manifestations secondary to sickling or crescent-shaped distortion of the red blood cells. Major clinical manifestations of SCD include haemolytic anaemia and vaso-occlusive phenomena resulting in ischaemic tissue injury and organ damage. Chronic sequelae of the anaemia and vaso-occlusive processes involving the musculoskeletal system include complications related to extramedullary haematopoiesis, osteonecrosis, myonecrosis and osteomyelitis...
May 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28260767/correlation-of-systemic-inflammatory-status-and-cardiac-myonecrosis-in-patients-undergoing-percutaneoues-coronary-intervention
#20
M K Mohsin, M U Ahmed
Increased levels of the inflammatory biomarker high-sensitivity C-reactive protein predict cardiovascular events. Pre-Percutaneoues coronary intervention (PCI) plasma hs-CRP concentration has been reported to influence both short and long term outcome after percutaneoues coronary intervention (PCI). Studies have reported association between pre-PCI CRP and PCI induced cardiac myonecrosis evaluated by sensitive marker of myocardial injury. The present study attempts to evaluate the influence of pre-PCI CRP levels, factors related to the procedure and ongoing medications on the event of post-PCI cardiac myonecrosis...
January 2017: Mymensingh Medical Journal: MMJ
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