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Rodrigo Antonio Rocha da Cruz Adry, Lucas Crociati Meguins, Sebastião Carlos da Silva Júnior, Carlos Umberto Pereira, Gerardo Maria de Araújo Filho, Lúcia Helena Neves Marques
BACKGROUND: Mesial temporal sclerosis (MTS) is the most common disease found in an epilepsy surgery series. Early age of onset, a history of febrile convulsions, epileptiform discharges on EEG, duration of epilepsy, number of generalized seizures and severity of psychiatric disorders are possible prognostic factors in patients with MTS. OBJECTIVE: The aim of this study is to review the clinical, semiotic, psychological, electrophysiological and neuroradiological researches and relate their findings to the prognosis of patients with MTS who underwent anteromedial temporal lobectomy (ATL)...
October 21, 2016: Acta Neurochirurgica
Klaus Kopitzki, Andreas Oldag, Catherine M Sweeney-Reed, Judith Machts, Maria Veit, Jörn Kaufmann, Hermann Hinrichs, Hans-Jochen Heinze, Katja Kollewe, Susanne Petri, Bahram Mohammadi, Reinhard Dengler, Andreas R Kupsch, Stefan Vielhaber
PURPOSE: Aim of the present study was to investigate potential impairment of non-motor areas in amyotrophic lateral sclerosis (ALS) using near-infrared spectroscopy (NIRS) and diffusion tensor imaging (DTI). In particular, we evaluated whether homotopic resting-state functional connectivity (rs-FC) of non-motor associated cortical areas correlates with clinical parameters and disease-specific degeneration of the corpus callosum (CC) in ALS. MATERIAL AND METHODS: Interhemispheric homotopic rs-FC was assessed in 31 patients and 30 healthy controls (HCs) for 8 cortical sites, from prefrontal to occipital cortex, using NIRS...
2016: NeuroImage: Clinical
Jamal El-Saghir, Farah Nassar, Nadim Tawil, Marwan El-Sabban
BACKGROUND: Exosomes are membrane nano-vesicles secreted by a multitude of cells that harbor biological constituents such as proteins, lipids, mRNA and microRNA. Exosomes can potentially transfer their cargo to other cells, implicating them in many patho-physiological processes. Mesenchymal stem cells (MSCs), residents of the bone marrow and metastatic niches, potentially interact with cancer cells and/or their derived exosomes. In this study, we investigated whether exosomes derived from adult T-cell leukemia/lymphoma (ATL) cells act as intercellular messengers delivering leukemia-related genes that modulate the properties of human MSCs in favor of leukemia...
October 19, 2016: Retrovirology
Lidia M V R Moura, Emad N Eskandar, Mursal Hassan, Joel Salinas, Andrew J Cole, Daniel B Hoch, Sydney S Cash, John Hsu
OBJECTIVE: To compare postoperative seizure-free survival between older and younger adults. METHODS: A retrospective cohort of 107 temporal lobe epilepsy patients with a diagnosis of mesial temporal sclerosis (MTS) received anterior temporal lobectomy (ATL) between 1993 and 2014. We divided the lower three quartiles (younger) and top quartile (older, all 47+ years) of patients, then reviewed patient registry and electronic medical records to determine time to first self-reported seizure after ATL, the primary outcome (mean=3...
September 30, 2016: Epilepsy Research
Silje E Reme, Torill H Tveito, Anette Harris, Stein Atle Lie, Astrid Grasdal, Aage Indahl, Jens Ivar Brox, Tone Tangen, Eli Molde Hagen, Sigmund Gismervik, Arit Ødegård, Livar Fryland, Egil A Fors, Trudie Chalder, Hege R Eriksen
STUDY DESIGN: A randomized controlled trial. OBJECTIVE: The aim of this study was to evaluate whether a tailored and manualized cognitive behavior therapy (CBT) or nutritional supplements of seal oil and soy oil had any additional benefits over a brief cognitive intervention (BI) on return to work (RTW). SUMMARY OF BACKGROUND DATA: Brief intervention programs are clinically beneficial and cost-effective for patients with low back pain (LBP)...
October 15, 2016: Spine
Franklin H G Bridgewater
The management of trauma has evolved significantly over the last 40 years. Seminal to this process was the development in Nebraska of a concept of trauma management that was promulgated as Advanced Trauma Life Support (ATLS). It has achieved global support and is considered by many to be the acme in trauma management. Every participant in an ATLS course remembers that an aviation accident in rural Nebraska was responsible for the nascence of the program but very few know the details of the crash. February 17, 2016, was the 40th anniversary of the accident...
October 2016: Military Medicine
Ratko Peric, Marco Meucci, Zoran Nikolovski
BACKGROUND: This study examined substrate oxidation at high-intensity exercise and aimed to determine when fat oxidation ends (FATmin). We hypothesized the existence of a connection between the anaerobic threshold (AnT) and FATmin point. METHODS: Breath-by-breath data obtained from indirect calorimetry during a graded treadmill test were used to measure substrate oxidation and maximal oxygen uptake (VO2max) on 47 males (30 athletes (ATL) and 17 non-athletes (NATL))...
December 2016: Sports Medicine—Open
Juan D Rojas, Paul A Dayton
Sub-micron phase-change contrast agents consist of a liquid perfluorocarbon core that can be vaporized by ultrasound (acoustic droplet vaporization) to generate contrast with excellent spatial and temporal control. When these agents, commonly referred to as nanodroplets, are formulated with cores of low boiling-point perfluorocarbons such as decafluorobutane and octafluoropropane, they can be activated with lowmechanical index imaging pulses for diagnostic applications. Since the utilization of minimum mechanical index is often desirable to avoid unnecessary biological effects, enabling consistent activation of these agents in an acoustic field is a challenge because the energy that must be delivered to achieve the vaporization threshold increases with depth due to attenuation...
October 12, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Lars Qviller, Hildegunn Viljugrein, Leif Egil Loe, Erling L Meisingset, Atle Mysterud
BACKGROUND: Many wingless ectoparasites have a limited capacity for active movement and are therefore primarily dependent on hitchhiking on their hosts for transportation. The distribution of the tick Ixodes ricinus is expected to depend mainly on transportation by hosts and tick subsequent survival in areas where they drop off. In Europe, the most important hosts of adult female I. ricinus are cervids. The extensive space use of large hosts provides a much larger dispersal potential for I...
October 13, 2016: Parasites & Vectors
Fernanda A Marques, Rodrigo P Soares, Gregório G Almeida, Carolina C Souza, Maria N Melo, Sebastião A Pinto, Valeria B Quixabeira, Ledice I Pereira, Miriam L Dorta, Fatima Ribeiro-Dias, Fernando T Silveira, Sydnei M Silva, Celia M Gontijo, Wagner L Tafuri
American tegumentary leishmaniasis (ATL) is a neglected disease widely distributed in Latin America. In Brazil, it is caused by different Leishmania species belonging to the Subgenera Viannia and Leishmania. ATL diagnosis is routinely based on clinical, epidemiological, parasitological and immunological (delayed-type hypersensitivity skin test-DTH) evidences. The main objective of this work was to determine the efficacy of a previous immunohistochemical (IHC) method developed by our group. Seventy eight skin biopsies from patients with different ATL clinical forms and origins were evaluated...
October 8, 2016: Parasitology International
Satoshi Iyama, Tsutomu Sato, Hirofumi Ohnishi, Yuji Kanisawa, Shuichi Ohta, Takeshi Kondo, Akio Mori, Yutaka Tsutsumi, Hiroyuki Kuroda, Yasutaka Kakinoki, Satoshi Yamamoto, Tohru Takahashi, Motohiro Shindo, Yoshihiro Torimoto, Kazuya Sato, Hiroshi Iwasaki, Yoshihito Haseyama, Kyuhei Kohda, Yasuhiro Nagamachi, Yasuo Hirayama, Hajime Sakai, Yasuji Hirata, Takashi Fukuhara, Hiroshi Ikeda, Masayoshi Kobune, Junji Kato, Mitsutoshi Kurosawa
BACKGROUND: Mogamulizumab, a defucosylated humanized monoclonal antibody targeting C-C chemokine receptor 4, recently became available for the treatment of adult T-cell leukemia/lymphoma (ATL). We conducted a multicenter retrospective study of the efficacy of mogamulizumab in ATL treatment in patients on Hokkaido Island, Japan. MATERIALS AND METHODS: A total of 125 patients with ATL treated from January 2010 to December 2014 in 20 hospitals affiliated with the Hokkaido Hematology Study Group were enrolled in the present retrospective study...
September 17, 2016: Clinical Lymphoma, Myeloma & Leukemia
Yi Yang, Jing Lu, Hangfan Liu, Guoguo Jin, Ruihua Bai, Xiang Li, Dongyu Wang, Jimin Zhao, Youtian Huang, Kangdong Liu, Ying Xing, Ziming Dong
Dendritic cells (DC) have been exploited for vaccination against cancer for years. DC loading autologous tumor lysate (ATL-DC) have been assessed in ongoing clinical trials, but frequently do not meet expectation. In this study, we found that mice immunized with ATL-DC induced less protective anti-tumor effect than immunized with DC alone. The percentage of CD8(+) T cells and the lysis efficiency of CTLs to auto tumor cells in ATL-DC vaccination group was less than that of DC group. Moreover, vaccination of mice with ATL-DC also promoted tumor angiogenesis by analyzing the CD31 positive microvessel density and hemoglobin content of tumor specimens...
October 10, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
S H S P Pedroso, S H C Sandes, K C M Luiz, R S Dias, R A T Filho, J C Serufo, L M Farias, M A R Carvalho, M R Q Bomfim, S G Santos
Coagulase-negative staphylococci (CNS) represent one of the most prevalent microorganisms in nosocomial infections worldwide, nevertheless little is known about their pathogenicity features. Thus, our aim was to characterize virulence aspects of CNS isolated from patients with bloodstream infections assisted in hospitals of Belo Horizonte, MG, Brazil. Strains were identified using bioMérieuxVitek(®) and for biofilm production evaluation, Congo Red Agar (CRA) and polystyrene plates were used. PCR was applied to detect icaA, icaB, icaC, atlE, sea, sec, sed, tsst-1 and agr...
October 7, 2016: Microbial Pathogenesis
Ping Ding, Shaohui Zhang, Junchen Zhang, Xiaohong Hu, Xiaoman Yu, Shuangshuang Liang, Chao Gao, Shuli Liang
AIMS: To prospectively study the surgical outcomes of unilateral anterior temporal lobectomy (ATL) in patients with intractable bilateral temporal lobe epilepsy (TLE) as well as two-staged contralateral hippocampal stimulation in patients after failed unilateral ATL. METHODS: Eighteen carefully selected patients with bilateral TLE underwent unilateral ATL. Five cases with failed ATL underwent two-staged contralateral hippocampal stimulation. Seizure control and changes in intelligence quotient (IQ), memory quotient, and quality of life (QOL) were analyzed 2-5 years after treatment...
October 11, 2016: Stereotactic and Functional Neurosurgery
Chao Yu Zhen, Roubina Tatavosian, Thao Ngoc Huynh, Huy Nguyen Duc, Raibatak Das, Marko Kokotovic, Jonathan B Grimm, Luke D Lavis, Jun Lee, Frances J Mejia, Yang Li, Tingting Yao, Xiaojun Ren
The Polycomb PRC1 plays essential roles in development and disease pathogenesis. Targeting of PRC1 to chromatin is thought to be mediated by the Cbx family proteins (Cbx2/4/6/7/8) binding to histone H3 with a K27me3 modification (H3K27me3). Despite this prevailing view, the molecular mechanisms of targeting remain poorly understood. Here, by combining live-cell single-molecule tracking (SMT) and genetic engineering, we reveal that H3K27me3 contributes significantly to the targeting of Cbx7 and Cbx8 to chromatin, but less to Cbx2, Cbx4, and Cbx6...
October 10, 2016: ELife
Jean-Sebastien Provost, Simona M Brambati, Marianne Chapleau, Maximiliano A Wilson
Cognitive and computational models of reading aloud agree on the existence of two procedures for reading. Pseudowords (e.g., atendier) are correctly read through subword processes only while exception words (e.g., pint) are only correctly read via whole-words processes. Regular words can be correctly read by means of either way. Previous behavioral studies showed that older adults relied more on whole-word processing for reading. The aim of the present fMRI study was to verify whether this larger whole-word reliance for reading in older adults was reflected by changes in the pattern of brain activation...
September 17, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Ana Paula Fortes Dos Santos Thomazelli, Fernanda Tomiotto-Pellissier, Suelen Santos da Silva, Carolina Panis, Tatiane Marcusso Orsini, Allan Henrique Depieri Cataneo, Milena Menegazzo Miranda-Sapla, Luiz Antonio Custódio, Vera Lúcia Hideko Tatakihara, Juliano Bordignon, Guilherme Ferreira Silveira, José Maurício Sforcin, Wander Rogério Pavanelli, Ivete Conchon-Costa
American Tegumentar Leishmaniasis (ATL) is an infectious disease caused by Leishmania parasites with ineffective treatment. The properties of propolis have been studied in different experimental studies, however, few works have investigated the effects of propolis on human-derived peripheral blood mononuclear cells (PBMC) in leishmaniasis models. Thus, we investigate the immunomodulatory effects of propolis treatment on PBMC from ATL patients and on PBMC from healthy donors infected with Leishmania braziliensis...
September 29, 2016: Cellular Immunology
Risa Mukai, Takayuki Ohshima
Human T-cell leukemia virus type1 (HTLV-1) is an oncogenic retrovirus that is the etiological agent of adult T-cell leukemia (ATL). The HTLV-1 basic leucine-zipper factor (HBZ), which is encoded by the minus strand of the provirus, is constitutively expressed in all ATL patient cells and likely contributes to the development and maintenance of ATL. Furthermore, the overexpression of myeloid cell leukemia-1 (MCL1) is frequently observed in hematological cancers as well as several other types of cancers. Here, we found that the expression of HBZ in cells stabilized MCL1 protein expression and suppressed MCL-mediated release of cytochrome c from the mitochondria...
October 3, 2016: Molecular and Cellular Biology
Andreu Massot-Tarrús, David A Steven, Richard S McLachlan, Seyed M Mirsattari, David Diosy, Andrew G Parrent, Warren T Blume, John P Girvin, Jorge G Burneo
BACKGROUND: Temporal lobe epilepsy (TLE) with unclear lateralization may require intracranial implantation of electrodes (IIE). We retrospectively assessed the association between the use of IIE and long-term outcomes in patients undergoing anterior temporal lobectomy (ATL). PARTICIPANTS AND METHODS: We retrospectively reviewed the records of 1,032 patients undergoing epilepsy surgery at our center from 1977 to 2006. Patients who underwent ATL were included. Seizure outcome was assessed through final follow-up...
August 11, 2016: Epilepsy Research
Anne G Hertel, Andreas Zedrosser, Atle Mysterud, Ole-Gunnar Støen, Sam M J G Steyaert, Jon E Swenson
Avoiding predators most often entails a food cost. For the Scandinavian brown bear (Ursus arctos), the hunting season coincides with the period of hyperphagia. Hunting mortality risk is not uniformly distributed throughout the day, but peaks in the early morning hours. As bears must increase mass for winter survival, they should be sensitive to temporal allocation of antipredator responses to periods of highest risk. We expected bears to reduce foraging activity at the expense of food intake in the morning hours when risk was high, but not in the afternoon, when risk was low...
December 2016: Oecologia
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