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https://www.readbyqxmd.com/read/28749594/seizure-activity-per-se-does-not-induce-tissue-damage-markers-in-human-neocortical-focal-epilepsy
#1
Laura Rossini, Rita Garbelli, Vadym Gnatkovsky, Giuseppe Didato, Flavio Villani, Roberto Spreafico, Francesco Deleo, Giorgio Lo Russo, Giovanni Tringali, Francesca Gozzo, Laura Tassi, Marco de Curtis
Objective The contribute of recurring seizures to the progression of epileptogenesis is debated. Seizure-induced brain damage is not conclusively demonstrated both in humans and in animal models of epilepsy. We evaluated the expression of brain injury biomarkers on post-surgical brain tissue obtained from 20 patients with frequent seizures and a long history of drug-resistant focal epilepsy. Methods The expression patterns of specific glial, neuronal and inflammatory molecules was evaluated by immunohistochemistry in the core of type II focal cortical dysplasias (FCD-II), at the FCD boundary (perilesion) and in the adjacent normal-appearing area included in the epileptogenic region...
July 27, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28748988/-characterization-of-patients-with-sporadic-colorectal-cancer-following-the-new-consensus-molecular-subtypes-cms
#2
Ana María Wielandt, Cynthia Villarroel, Claudia Hurtado, Daniela Simian, Diego Zamorano, Maripaz Martínez, Magdalena Castro, María Teresa Vial, Udo Kronberg, Francisco López-Kostner
BACKGROUND: Colorectal cancer (CRC) is an heterogeneous disease. Three carcinogenic pathways determine its molecular profile: microsatellite instability (MSI), chromosomal instability (CIN) and CpG island methylator phenotype (CIMP). Based on the new molecular classification, four consensus CRC molecular subtypes (CMS) are established, which are related to clinical, pathological and biological characteristics of the tumor. AIM: To classify Chilean patients with sporadic CRC according to the new consensus molecular subtypes of carcinogenic pathways...
April 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28747918/root-knot-and-cyst-nematodes-activate-procambium-associated-genes-in-arabidopsis-roots
#3
Yasuka L Yamaguchi, Reira Suzuki, Javier Cabrera, Satoru Nakagami, Tomomi Sagara, Chika Ejima, Ryosuke Sano, Yuichi Aoki, Rocio Olmo, Tetsuya Kurata, Takeshi Obayashi, Taku Demura, Takashi Ishida, Carolina Escobar, Shinichiro Sawa
Developmental plasticity is one of the most striking features of plant morphogenesis, as plants are able to vary their shapes in response to environmental cues. Biotic or abiotic stimuli often promote organogenesis events in plants not observed under normal growth conditions. Root-knot nematodes (RKNs) are known to parasitize multiple species of rooting plants and to induce characteristic tissue expansion called galls or root-knots on the roots of their hosts by perturbing the plant cellular machinery. Galls contain giant cells (GCs) and neighboring cells, and the GCs are a source of nutrients for the parasitizing nematode...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28747552/tenascin-c-and-fibronectin-in-normal-esophageal-mucosa-barrett-s-esophagus-dysplasia-and-adenocarcinoma
#4
Joni Leppänen, Sara Bogdanoff, Petri P Lehenkari, Juha Saarnio, Joonas H Kauppila, Tuomo J Karttunen, Heikki Huhta, Olli Helminen
BACKGROUND: Tenascin-C and fibronectin are adhesive glycoproteins modulating the structure of the extracellular matrix and cellular functions. Their expression and function in esophageal adenocarcinoma is poorly known. The aim of this study was to evaluate the expression of tenascin-C and fibronectin in esophageal adenocarcinoma and its precursor stages. RESULTS: Stromal tenascin-C and fibronectin expression were found in all evaluated lesion types. Expression of both molecules increased from gastric metaplasia towards adenocarcinoma (p<0...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28747250/normal-neuroanatomical-variants-that-may-be-misinterpreted-as-disease-entities
#5
REVIEW
S Ramji, P Touska, P Rich, A D MacKinnon
Variations of normal development and benign incidental anomalies are frequently observed on diagnostic neuroimaging. It is important these are recognised for what they are, as misinterpretation may result in unnecessary further investigation, follow-up imaging and anxiety. In this article, we review benign intracranial anomalies commonly referred to our unit for specialist neuroradiology advice or multidisciplinary discussion, concerning cysts of the pineal gland and pituitary fossa, vascular anomalies, and perivascular spaces...
July 23, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28746209/pedicled-buccal-fat-pad-for-the-augmentation-of-facial-depression-deformity-a-case-report
#6
Seiji Komatsu, Kou Ikemura, Yoshihiro Kimata
RATIONALE: Tissue augmentation of facial depression deformities can be achieved by volume replacement with autologous fat injection, dermal filler injection, etc. Here, we report a case of tissue augmentation of a facial depression deformity using a pedicled buccal fat pad (BFP). PATIENT CONCERNS: A 64-year-old woman was referred with a chief complaint of facial depression deformity. DIAGNOSES: Her molars had been removed at another hospital 12 years prior to this referral, and the patient suffered from a left cheek depression deformity as a sequela of a postextraction infection...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28744658/characteristics-of-retinal-vessels-in-surgically-closed-macular-hole-an-optical-coherence-tomography-angiography-study
#7
Cheolmin Yun, Jaemoon Ahn, Mingue Kim, Jee Taek Kim, Soon-Young Hwang, Seong-Woo Kim, Jaeryung Oh
PURPOSE: The purpose of our study was to investigate characteristics of retinal vessels in eyes with surgically closed macular holes (MH). METHODS: We included patients who underwent surgery for idiopathic MH and a follow-up examination using optical coherence tomography angiography (OCTA). The area of the foveal avascular zone (FAZ) and retinal vascular densities of the superficial capillary plexus (SCP) and deep capillary plexus (DCP) were calculated on the postoperative OCTA images and compared with those of age-matched normal controls...
July 25, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28743736/sfpq-a-multifunctional-nuclear-protein-regulates-the-transcription-of-pde3a
#8
Dong Keun Rhee, Steven C Hockman, Sun-Kyung Choi, Yong-Eun Kim, Chungoo Park, Vincent C Manganiello, Kee Kwang Kim
Phosphodiesterase 3A (PDE3A), a member of the cGMP-inhibited cyclic nucleotide phosphodiesterase (PDE) family, plays important roles in oocyte maturation and vascular smooth muscle cell proliferation. However, the molecular mechanisms that regulate PDE3A gene expression remain largely unknown. In this study, we investigated the transcriptional regulation of PDE3A , and found that the splicing factor proline and glutamine rich (SFPQ) protein modulated PDE3A mRNA levels. Multiple transcription start sites (TSS1, 2, and 3) were identified within the first exon of PDE3A using 5'-rapid amplification of cDNA ends (RACE)...
July 25, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28743388/traumatic-bilateral-dissection-of-cervical-internal-carotid-artery-in-the-wake-of-a-car-accident-a-case-report
#9
N Taoussi, A J Alghamdi, J Bielewicz, P Luchowski, K Rejdak
BACKGROUND: Bilateral carotid artery dissection secondary to severe trauma is rare and can be potentially life -threatening if not diagnosed and treated properly. CASE PRESENTATION: We report a 29-year-old female who was admitted to the emergency department after a car accident. The patient was conscious at the time of admission and presented with an initial Glasgow Coma Scale (GCS) of 15 presenting normal vital signs. The patient developed motor dysphasia with right upper limb paresis a few hours after the admission...
July 10, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28742875/the-significance-of-inadequate-transcranial-doppler-studies-in-children-with-sickle-cell-disease
#10
Simon Greenwood, Colin Deane, Oliver L Rees, Ben Freedman, Suresh Kumar, Naser Ben Ramadan, Sarah Wilkinson, Grant Marais, Julie Lord, Subarna Chakravorty, Susan E Height, Kate Gardner, David C Rees
Sickle cell disease (SCD) is a common cause of cerebrovascular disease in childhood. Primary stroke prevention is effective using transcranial Doppler (TCD) scans to measure intracranial blood velocities, and regular blood transfusions or hydroxycarbamide when these are abnormal. Inadequate TCD scans occur when it is not possible to measure velocities in all the main arteries. We have investigated the prevalence and significance of this in a retrospective audit of 3915 TCD scans in 1191 children, performed between 2008 and 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28742509/persistent-m%C3%A3-llerian-duct-syndrome-a-novel-mutation-in-the-%C3%AE-nti-m%C3%A3-llerian-%C3%AE-ormone-gene
#11
Ayça Altincik, Fahri Karaca, Hüseyin Onay
BACKGROUND AND OBJECTIVE: Persistent Müllerian duct syndrome (PMDS) is a relatively rare form of 46,XY disorder of sex development caused by the failure of formation, release or action of anti-Müllerian hormone (AMH) in intrauterine life. In this report we describe a case diagnosed with PMDS with a novel homozygous mutation in the AMH gene. CASE REPORT: A 4-month-old male presented with bilateral cryptorchidism and normal external genitalia. The laboratory examination revealed normal gonadotropin levels for his age (FSH: 0...
April 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28742222/disruption-of-the-atp-adenosine-balance-in-cd39-mice-is-associated-with-handling-induced-seizures
#12
Amanda J Lanser, Rafael M Rezende, Stephen Rubino, Paul J Lorello, Dustin J Donnelly, Huixin Xu, Lauren A Lau, Chris G Dulla, Barbara J Caldarone, Simon C Robson, Howard L Weiner
Seizures are due to excessive, synchronous neuronal firing in the brain and are characteristic of epilepsy, the fourth most prevalent neurologic disease. Herein, we report handling-induced and spontaneous seizures in mice deficient of CD39, a cell-surface ATPase highly expressed on microglial cells. CD39(-/-) mice with handling-induced seizures had normal input-output curves and paired-pulse ratio measured from hippocampal slices and lacked microgliosis, astrogliosis or overt cell loss in the hippocampus and cortex...
July 25, 2017: Immunology
https://www.readbyqxmd.com/read/28741841/pulmonary-valve-opening-with-two-rotary-left-ventricular-assist-devices-for-biventricular-support
#13
Eric L Wu, Frank Nestler, Matthias Kleinheyer, Michael C Stevens, Jo P Pauls, John F Fraser, Shaun D Gregory
Right ventricular failure is a common complication associated with rotary left ventricular assist device (LVAD) support. Currently, there is no clinically approved long-term rotary right ventricular assist device (RVAD). Instead, clinicians have implanted a second rotary LVAD as RVAD in biventricular support. To prevent pulmonary hypertension, the RVAD must be operated by either reducing pump speed or banding the outflow graft. These modes differ in hydraulic performance, which may affect the pulmonary valve opening (PVO) and subsequently cause fusion, valvular insufficiency, and thrombus formation...
July 25, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28740831/the-impact-of-the-tumor-microenvironment-on-the-properties-of-glioma-stem-like-cells
#14
REVIEW
Alessandra Audia, Siobhan Conroy, Rainer Glass, Krishna P L Bhat
Glioblastoma is the most common and highly malignant primary brain tumor, and patients affected with this disease exhibit a uniformly dismal prognosis. Glioma stem-like cells (GSCs) are a subset of cells within the bulk tumor that possess self-renewal and multi-lineage differentiation properties similar to somatic stem cells. These cells also are at the apex of the cellular hierarchy and cause tumor initiation and expansion after chemo-radiation. These traits make them an attractive target for therapeutic development...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28739731/identification-of-novel-proteins-interacting-with-vascular-endothelial-growth-inhibitor-174-in-renal-cell-carcinoma
#15
Qiang Zhao, Duoer Kun, Baoan Hong, Xiaohu Deng, Sheng Guo, Xingxing Tang, Yong Yang, Kan Gong, Qing Li, Lin Ye, Wen G Jiang, Ning Zhang
BACKGROUND/AIM: Vascular endothelial growth inhibitor (VEGI) is a multipotential cytokine that plays a role in regulating immunity, anti-angiogenesis, and inhibiting tumor growth. However, the proteins that interact with it are still unknown. In the present study, we examined the proteins that interact with VEGI174 and their expression in renal cell carcinoma (RCC). MATERIALS AND METHODS: The proteins that interact with VEGI174 were identified using western blot, pull-down assay, and mass spectrometry...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739514/inhibition-of-blood-brain-barrier-efflux-transporters-promotes-seizure-in-pregnant-rats-role-of-circulating-factors
#16
Abbie C Johnson, Erica S Hammer, Sophie Sakkaki, Sarah M Tremble, Gregory L Holmes, Marilyn J Cipolla
Seizure-provoking factors circulate late in gestation during normal pregnancy, but do not readily gain access to the brain due to the protective nature of the blood-brain barrier. In particular, efflux transporters are powerful ATP-driven pumps that actively prevent unwanted compounds from entering the brain. We hypothesized that acute inhibition of efflux transporters at the blood-brain barrier would result in spontaneous seizures in pregnant rats. We further hypothesized that the blood-brain barrier protects the maternal brain from seizure by increasing expression and/or activity of p-glycoprotein (P-gp), a major efflux transporter...
July 21, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28739342/a-pro-inflammatory-function-of-toll-like-receptor-2-in-the-retinal-pigment-epithelium-as-a-novel-target-for-reducing-choroidal-neovascularization-in-age-related-macular-degeneration
#17
Lili Feng, Meihua Ju, Kei Ying Vivian Lee, Ashley Mackey, Mariasilvia Evangelista, Daiju Iwata, Peter Adamson, Kameran Lashkari, Richard Foxton, David Shima, Yin Shan Ng
Current treatments for choroidal neovascularization, a major cause of blindness for patients with age-related macular degeneration, treat symptoms but not the underlying causes of the disease. Inflammation has been strongly implicated in the pathogenesis of choroidal neovascularization. We examined the inflammatory role of toll-like receptor 2 (TLR2) in age-related macular degeneration. TLR2 was robustly expressed by the retinal pigment epithelium in mouse and human eyes, both normal and with macular degeneration/choroidal neovascularization...
July 21, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28738690/magnetic-resonance-imaging-in-children-presenting-migraine-with-aura-association-of-hypoperfusion-detected-by-arterial-spin-labelling-and-vasospasm-on-mr-angiography-findings
#18
Domitille Cadiot, Romain Longuet, Bertrand Bruneau, Catherine Treguier, Aline Carsin-Vu, Isabelle Corouge, Constantin Gomes, Maïa Proisy
Objective A child presenting with a first attack of migraine with aura usually undergoes magnetic resonance imaging (MRI) to rule out stroke. The purpose of this study was to report vascular and brain perfusion findings in children suffering from migraine with aura on time-of-flight MR angiography (TOF-MRA) and MR perfusion imaging using arterial spin labelling (ASL). Methods We retrospectively included all children who had undergone an emergency MRI examination with ASL and TOF-MRA sequences for acute neurological deficit and were given a final diagnosis of migraine with aura...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28738366/neuroanatomical-correlates-of-hypophonia-in-subcortical-vascular-cognitive-impairment
#19
Ji Hye Yoon, Yisuh Ahn, Sook Hui Kim, Juhee Chin, Seongbeom Park, Duk L Na
BACKGROUND/AIMS: Early detection and intervention may alter the disease course of subcortical vascular cognitive impairment (SVCI). Patients with SVCI have white matter ischemia that disrupts connections between the cortex and subcortical gray matter and therefore manifest various symptoms such as motor disturbances and behavioral/cognitive dysfunction. Reduced vocal loudness, or hypophonia, is one of the common motor symptoms of SVCI, but few studies have systematically investigated it in this patient population...
July 24, 2017: European Neurology
https://www.readbyqxmd.com/read/28738067/the-prediction-of-late-onset-preeclampsia-results-from-a-longitudinal-proteomics-study
#20
Offer Erez, Roberto Romero, Eli Maymon, Piya Chaemsaithong, Bogdan Done, Percy Pacora, Bogdan Panaitescu, Tinnakorn Chaiworapongsa, Sonia S Hassan, Adi L Tarca
BACKGROUND: Late-onset preeclampsia is the most prevalent phenotype of this syndrome; nevertheless, only a few biomarkers for its early diagnosis have been reported. We sought to correct this deficiency using a high through-put proteomic platform. METHODS: A case-control longitudinal study was conducted, including 90 patients with normal pregnancies and 76 patients with late-onset preeclampsia (diagnosed at ≥34 weeks of gestation). Maternal plasma samples were collected throughout gestation (normal pregnancy: 2-6 samples per patient, median of 2; late-onset preeclampsia: 2-6, median of 5)...
2017: PloS One
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