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https://www.readbyqxmd.com/read/28712890/amburana-cearensis-seed-extract-protects-brain-mitochondria-from-oxidative-stress-and-cerebellar-cells-from-excitotoxicity-induced-by-glutamate
#1
E P L Pereira, C S Santos, J Amparo, R Short, Y Nuñez-Figueredo, L G Fernandez, P R Ribeiro, S Braga-de-Souza, V D A Silva, S L Costa
ETHNOPHARMACOLOGICAL RELEVANCE: Amburana cearensis (Allemao) A.C.Sm. is a medicinal plant of the Brazilian Caatinga reported to present antioxidant and anti-inflammatory activity. This study aimed to evaluate the neuroprotective effect of the extracts obtained from the seeds of A. cearensis in primary cultures of cerebellar cells subjected to excitotoxicity induced by glutamate and brain mitochondria submitted to oxidative stress. MATERIALS: and methods: Primary cultures of cerebellar cells were treated with the ethanol (ETAC), hexane (EHAC), dichloromethane (EDAC) and ethyl acetate (EAAC) extracts of the seeds of A...
July 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28710882/mid-trimester-preterm-premature-rupture-of-membranes-pprom-etiology-diagnosis-classification-international-recommendations-of-treatment-options-and-outcome
#2
REVIEW
Michael Tchirikov, Natalia Schlabritz-Loutsevitch, James Maher, Jörg Buchmann, Yuri Naberezhnev, Andreas S Winarno, Gregor Seliger
Mid-trimester preterm premature rupture of membranes (PPROM), defined as rupture of fetal membranes prior to 28 weeks of gestation, complicates approximately 0.4%-0.7% of all pregnancies. This condition is associated with a very high neonatal mortality rate as well as an increased risk of long- and short-term severe neonatal morbidity. The causes of the mid-trimester PPROM are multifactorial. Altered membrane morphology including marked swelling and disruption of the collagen network which is seen with PPROM can be triggered by bacterial products or/and pro-inflammatory cytokines...
July 15, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28690724/imaging-of-complicated-frontal-sinusitis
#3
Naourez Kolsi, Ahmed Zrig, Hamdi Chouchène, Rachida Bouatay, Khaled Harrathi, Jamel Koubaa
Complications occur in 3% of the cases of frontal sinusitis. These are mainly oculo-orbital, intracranial and osteomyelitis. Our aim is to describe the contribution of different imaging modalities in the diagnosis of these complications and their post-treatment monitoring. within a 15 years period (2000-2014), 10 patients with complicated frontal sinusitis were included into this retrospective study. 10 patients (9 males) aged 9 to 70 year old (mean 28). Two of these patients (20%) had a history of craniofacial trauma...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28685329/impairment-of-mitochondrial-integrity-and-redox-status-in-brain-regions-during-a-low-dose-long-term-exposition-of-rats-to-pyrethrino%C3%A3-ds-the-preventive-effect-of-quercetin
#4
Afafe Beghoul, Mohamed Kebieche, Salim Gasmi, Zeyneb Chouit, Chouaib Amiour, Asma Lahouel, Zhora Lakroun, Rachid Rouabhi, Hamadi Fetoui, Rachid Soulimani
Pyrethrinoïds are synthetic pesticides widely used in agriculture and farms to protect crops from weeds, insects, fungi, and molds. Increased and uncontrolled use of these pollutants can have harmful effects on human health via consumption of contaminated food products. In the present study, deltamethrin (DLT = 3.72 mg/kg) and Bifenthrin (BF = 2.6 mg/kg) were used during a long-term exposition in the rats to assess their effect on mitochondrial integrity and function in different brain areas (hippocampus, striatum, cortex, and cerebellum)...
July 6, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28648459/acute-liver-failure-is-associated-with-altered-cerebral-expression-profiles-of-long-non-coding-rnas
#5
Vinícius R Silva, Rodrigo Secolin, Raghu Vemuganti, Iscia Lopes-Cendes, Alan S Hazell
Hepatic encephalopathy (HE) represents a serious complication of acute liver failure (ALF) in which cerebral edema leading to brainstem herniation as a result of increased intracranial hypertension is a major consequence. Long non-coding RNAs (lncRNAs) play a significant role in coordinating gene expression, with recent studies indicating an influence in the pathogenesis of several diseases. To investigate their involvement in the cerebral pathophysiology of ALF, we profiled the expression of lncRNAs in the frontal cortex of mice at coma stage following treatment with the hepatotoxin azoxymethane...
June 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28647874/alleviative-effect-of-licorice-on-copper-chloride-induced-oxidative-stress-in-the-brain-biochemical-histopathological-immunohistochemical-and-genotoxic-study
#6
Heba El-Sayed Mostafa, Eman Ahmad Alaa-Eldin, Dalia Abdallah El-Shafei, Nehal S Abouhashem
Although copper is an essential micronutrient involved in a variety of biological processes indispensable for sustaining life, it can be toxic when administered in excess. Licorice (Glycyrrhizaglabra) has been used in Chinese folk medicine for the treatment of various disorders. Licorice has the biological capabilities of detoxication, antioxidation, and antiinfection. Here, we test the hypothesis that licorice could ameliorate copper-induced neurotoxic and genotoxic effects in adult male albino rats. For this purpose, 48 adult male albino rats were randomized into five groups: group I (8 rats), untreated control; group II (16 rats), subdivided into; vehicle control IIa (8 rats) which received 1 mL saline twice weekly intraperitoneally for 8 weeks and vehicle control IIb (8 rats) received 0...
June 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28625889/massive-attack-of-honeybee-on-macaws-ara-ararauna-and-ara-chloropterus-in-brazil-a-case-report
#7
Elisane Lenita Milbradt, Tarcísio Macedo Silva, Alessandre Hataka, Carlos Roberto Teixeira, Adriano Sakai Okamoto, Raphael Lucio Andreatti Filho
Three adult birds of the species Ara chloropterus and five of the species Ara ararauna from a conservation breeding facility suffered a massive attack by honeybees. The A. chloropterus birds presented swollen puncture lesions with stingers (mainly in the facial regions without feathers), swelling of the eyelids and subcutaneous tissue, and respiratory distress, and they were treated with intramuscular injections of 1.67 mg/kg of promethazine and 10 mg/kg of hydrocortisone followed by removal of the stingers...
June 16, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28593893/trigonocephaly-our-experience-and-treatment-in-the-republic-of-macedonia
#8
Vladimir Mircevsk, Elizabeta Zogovska, Aleksandar Chaparoski, Mile Micunovic, Venko Filipce, Mirko Mishel Mirchevski, Milenko Kostov, Ljubica Мicunovic
INTRODUCTION: Prematurely fused metopic suture results in developmental anomaly named trigonocephaly. The treatment of trigonocephaly is a surgical reconstruction, starting from the simple suturectomy toward the complicated cranial vault reconstructions with aim to obtain enough endocranial space for normal development of the brain and aesthetic correction as well. THE AIM: The aim of our paper is to present our experience on this pathology in the Republic of Macedonia, stressing the trigonocephaly as one of the rare forms of craniosynostosis...
March 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28573481/copper-pyrithione-a-booster-biocide-induces-abnormal-muscle-and-notochord-architecture-in-zebrafish-embryogenesis
#9
Kelly M Almond, Louis D Trombetta
The metal pyrithiones, principally zinc (ZnPT) and copper (CuPT), are replacing tributyltin (TBT) as antifouling agents. Zebrafish embryos were exposed within the first hour after fertilization to 12 and 64 µg/L of CuPT for 24 h. Morphological abnormalities in notochord and muscle architecture were observed at 96 h post fertilization (hpf). TEM revealed abnormal electron dense deposits in the notochord sheath and muscle fiber degeneration in animals treated with 12 µg/L of CuPT. Embryos that were exposed to 64 µg/L of CuPT displayed severe muscle fiber degeneration including abnormal A and I band patterning and altered z disk arrangement...
June 1, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28537343/practice-patterns-for-spasticity-management-with-phenol-neurolysis
#10
Jay Karri, Manuel F Mas, Gerard E Francisco, Sheng Li
OBJECTIVE: To present practice patterns for phenol neurolysis procedures conducted for spasticity management. DESIGN: A retrospective review of 185 persons with spasticity who underwent phenol neurolysis procedures (n = 293) at an academic rehabilitation hospital and clinic. Patient demographics, concomitant spasticity treatments, and procedure relevant information were collected. RESULTS: The cohort included 71.9% males and 61.6% inpatient procedures...
May 24, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28520567/persistent-hypotension-and-cerebral-swelling-resulting-from-mesenteric-traction-syndrome-after-omental-to-pial-pedicle-flap-transfer-in-a-young-woman-with-refractory-moyamoya-disease-a-case-report
#11
Harvey J Woehlck, Suneeta Gollapudy, Christopher J Roberts, Akinwunmi Oni-Orisan, Raphael H Sacho, Paul S Pagel
Superficial temporal arterial to middle cerebral arterial anastomosis is often the initial surgical treatment of Moyamoya disease. In refractory cases, placing a pedicle flap of omentum over the ischemic brain has resulted in clinical improvement or stabilization of symptoms. We present a case of persistent mesenteric traction syndrome manifested by hypotension unresponsive to conventional doses of vasopressors during and after pulling the omentum to the brain. As prostacyclin is a major mediator of hypotension from mesenteric traction syndrome and also a cerebral vasodilator, we discuss the possibility that brain swelling may be a manifestation of mesenteric traction syndrome...
May 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28515764/the-effect-of-epicatechin-on-oxidative-stress-and-mitochondrial-damage-induced-by-homocycteine-using-isolated-rat-hippocampus-mitochondria
#12
Fatemeh Shaki, Yaghoub Shayeste, Mohammad Karami, Esmaeil Akbari, Mahdi Rezaei, Ramin Ataee
Oxidative stress and mitochondrial dysfunction are the main suggested mechanisms for neurodegenerative diseases. In this study, we have evaluated the effects of epicatechin (EC) on mitochondrial damage induced by homocycteine (Hcy) using isolated rat hippocampus mitochondria in vivo. EC (50 mg/kg) was gavaged daily for a period of 10 days, starting 5 days prior to Hcy (0.5 μmol/μL) intra hippocampus injection in rats. Mitochondria were isolated from brain by different centrifuge techniques. Mitochondrial function was assayed by MTT test...
April 2017: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28508375/an-integration-of-decision-tree-and-visual-analysis-to-analyze-intracranial-pressure
#13
Soo-Yeon Ji, Kayvan Najarian, Toan Huynh, Dong Hyun Jeong
In Traumatic Brain Injury (TBI), elevated Intracranial Pressure (ICP) causes severe brain damages due to hemorrhage and swelling. Monitoring ICP plays an important role in the treatment of TBI patients because ICP is considered a strong predictor of neurological outcome and a potentially amenable method to treat patients. However, it is difficult to predict and measure accurate ICP due to the complex nature of patients' clinical conditions. ICP monitoring for severe TBI patient is a challenging problem for clinicians because traditionally known ICP monitoring is an invasive procedure by placing a device inside the brain to measure pressure...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28503134/aquaporin-4-mediated-glutamate-induced-astrocyte-swelling-is-partially-mediated-through-metabotropic-glutamate-receptor-5-activation
#14
Zhongfang Shi, Wei Zhang, Yang Lu, Yi Lu, Lixin Xu, Qing Fang, Min Wu, Mei Jia, Yujiao Wang, Liping Dong, Xu Yan, Shaohua Yang, Fang Yuan
Astrocytes are one of the most abundant cell types in the mammalian central nervous system (CNS), and astrocyte swelling is the primary event associated with brain edema. Glutamate, the principal excitatory amino acid neurotransmitter in the CNS, is released at high levels after brain injury including cerebral ischemia. This leads to astrocyte swelling, which we previously demonstrated is related to metabotropic glutamate receptor (mGluR) activation. Aquaporin 4 (AQP4), the predominant water channel in the brain, is expressed in astrocyte endfeet and plays an important role in brain edema following ischemia...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28490320/astaxanthin-protects-astrocytes-against-trauma-induced-apoptosis-through-inhibition-of-nkcc1-expression-via-the-nf-%C3%AE%C2%BAb-signaling-pathway
#15
Mingkun Zhang, Zhenwen Cui, Hua Cui, Yong Wang, Chunlong Zhong
BACKGROUND: Astaxanthin (ATX) is a carotenoid pigment with pleiotropic pharmacological properties that is seen as a possible drug for treating cerebral ischemic injury and subarachnoid hemorrhage. Na(+)-K(+)-2Cl(-) co-transporter-1 (NKCC1), an intrinsic membrane protein expressed by many cell types, is activated by various insults, leading to the formation of cell swelling and brain edema. We previously established that ATX attenuated brain edema and improved neurological outcomes by modulating NKCC1 expression after traumatic brain injury in mice...
May 10, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28462199/giant-cell-tumor-of-temporomandibular-joint-masquerading-as-temporomandibular-joint-pain-dysfunction-syndrome-a-rare-case-report
#16
Jo Ee Sam, Rullyandrianto Pan Nuriman Rachmat, Cri Saiful Jordan Melano, Nasser Abdul Wahab
Giant cell tumor (GCT) of the craniofacial bones has been reported but they are not common. This tumor occurs more often in women than in men and predominantly affects patients around the third to fifth decade of life. GCTs are generally benign but can be locally aggressive as well. We report a case of GCT involving the temporomandibular joint (TMJ), which was initially thought to be temporomandibular disorder (TMD). A 22-year-old female presented with swelling and pain over the right temporal region for 18 months associated with jaw locking and clicking sounds...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28443599/a-pott-s-puffy-tumor-associated-with-epidural-cutaneous-fistula-and-epidural-abscess-case-report
#17
Aleksandar Perić, Milanko Milojević, Dražen Ivetić
BACKGROUND: Pott's puffy tumour is characterized by a fluctuate swelling of the frontal region as a result of osteomyelitis of the frontal bone. This inflammatory lesion may propagate endocranially, resulting in acute meningitis, epidural abscess, subdural empyema, cavernous sinus trombophlebitis, cerebritis, and frontal lobe abscess of the brain. CASE REPORT: We present an unusual case of a 33-year-old man suffering from Pott's puffy tumour whose condition was further complicated by a draining epidural-cutaneous fistula and an epidural abscess...
May 5, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28431433/experimental-anterior-ischemic-optic-neuropathy-in-diabetic-mice-exhibited-severe-retinal-swelling-associated-with-vegf-elevation
#18
Ming-Hui Sun, Mohammad Ali Shariati, Yaping Joyce Liao
Purpose: Diabetes mellitus (DM) is one of the most important risk factors for nonarteritic anterior ischemic optic neuropathy (AION). In this study, we investigated for the first time the impact of experimental AION in a DM model. Methods: We induced a photochemical thrombosis model of AION after streptozotocin-induced DM and performed serial optical coherence tomography (OCT), morphometric analyses, and VEGF levels in the retina and sera. Results: Compared with non-DM animals, experimental AION in DM mice led to significantly greater retinal swelling on day 1 and worse thinning at week 3 on OCT measurements...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28410605/frosted-branch-angiitis-and-cerebral-venous-sinus-thrombosis-as-an-initial-onset-of-neuro-beh%C3%A3-et-s-disease-a-case-report-and-review-of-the-literature
#19
Bruno Fortaleza de Aquino Ferreira, Ever Ernesto Caso Rodriguez, Leandro Lara do Prado, Celio Roberto Gonçalves, Carlos Eduardo Hirata, Joyce Hisae Yamamoto
BACKGROUND: Frosted branch angiitis is a rare, severe condition. It can be either a primary or a secondary condition and is characterized by rapid deterioration of vision and fulminant retinal vasculitis that manifests as diffuse sheathing of retinal vessels, macular edema, papillitis, vitritis and anterior uveitis. We aimed to describe a case of frosted branch angiitis and cerebral venous sinus thrombosis as an initial neuro-Behçet's disease onset. Diagnosis of Behçet's disease was based on the current 2014 International Criteria for Behçet's Disease and the International consensus recommendation criteria for neuro-Behçet's disease...
April 15, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28403092/hyperammonemic-coma-after-craniotomy-hepatic-encephalopathy-from-upper-gastrointestinal-hemorrhage-or-valproate-side-effect-case-report-and-literature-review
#20
REVIEW
Xiaopeng Guo, Junji Wei, Lu Gao, Bing Xing, Zhiqin Xu
RATIONALE: Postoperative coma is not uncommon in patients after craniotomy. It generally presents as mental state changes and is usually caused by intracranial hematoma, brain edema, or swelling. Hyperammonemia can also result in postoperative coma; however, it is rarely recognized as a potential cause in coma patients. Hyperammonemic coma is determined through a complicated differential diagnosis, and although it can also be induced as a side effect of valproate (VPA), this cause is frequently unrecognized or confused with upper gastrointestinal hemorrhage (UGH)-induced hepatic encephalopathy...
April 2017: Medicine (Baltimore)
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