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https://www.readbyqxmd.com/read/29351253/the-role-of-sugar-transporter-genes-during-early-infection-by-root-knot-nematodes
#1
Dan Zhao, Yang You, Haiyan Fan, Xiaofeng Zhu, Yuanyuan Wang, Yuxi Duan, Yuanhu Xuan, Lijie Chen
Although pathogens such as nematodes are known to hijack nutrients from host plants, the mechanisms whereby nematodes obtain sugars from plants remain largely unknown. To determine the effects of nematode infection on host plant sugar allocation, soluble sugar (fructose, glucose, sucrose) content was investigated using high-performance liquid chromatography with refractive index detection and was found to increase significantly in tomato (Solanum lycopersicum, Sl) leaves and roots during early infection by root-knot nematodes (RKNs)...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29336209/effects-of-treadmill-training-combined-with-serotonergic-interventions-on-spasticity-after-contusive-spinal-cord-injury
#2
Youngjae Ryu, Toru Ogata, Motoshi Nagao, Yasuhiro Sawada, Ryohei Nishimura, Naoki Fujita
Spasticity usually emerges during the course of recovery from spinal cord injury (SCI). While medications and physical rehabilitation are prescribed to alleviate spastic symptoms, the insufficiency of their effects remains an important problem to be addressed. Given the challenges associated with increasing the dose of medication, we supposed that a combination therapy with medication and physical rehabilitation can be effective. Therefore, we examined the effects of treadmill training (TMT) along with serotonergic medication using a spastic rat model after contusive injury...
January 16, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29332127/proteome-profiling-of-developing-murine-lens-through-mass-spectrometry
#3
Shahid Y Khan, Muhammad Ali, Firoz Kabir, Santosh Renuse, Chan Hyun Na, C Conover Talbot, Sean F Hackett, S Amer Riazuddin
Purpose: We previously completed a comprehensive profile of the mouse lens transcriptome. Here, we investigate the proteome of the mouse lens through mass spectrometry-based protein sequencing at the same embryonic and postnatal time points. Methods: We extracted mouse lenses at embryonic day 15 (E15) and 18 (E18) and postnatal day 0 (P0), 3 (P3), 6 (P6), and 9 (P9). The lenses from each time point were preserved in three distinct pools to serve as biological replicates for each developmental stage...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29331872/effect-of-physical-activity-on-cognitive-flexibility-depression-and-rbd-in-healthy-elderly
#4
Stefanie Lerche, Alexandra Gutfreund, Kathrin Brockmann, Markus A Hobert, Isabel Wurster, Ulrike Sünkel, Gerhard W Eschweiler, Florian G Metzger, Walter Maetzler, Daniela Berg
OBJECTIVE: The prevalence of Alzheimer's disease and Parkinson's disease increases with the raising number of elderly, which will be a challenging situation for the healthcare systems and society in the future. There is evidence that there are modifiable risk-factors e.g. physical activity for these diseases. Here, we study the interaction between sports inactivity with prodromal markers for neurodegeneration. PATIENTS AND METHODS: We investigated 667 neurologically healthy individuals cross-sectional and a subgroup longitudinal over six years...
January 9, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29331848/repetitive-transcranial-magnetic-stimulation-for-apathy-in-mild-cognitive-impairment-a-double-blind-randomized-sham-controlled-cross-over-pilot-study
#5
Prasad R Padala, Kalpana P Padala, Shelly Y Lensing, Andrea N Jackson, Cassandra R Hunter, Christopher M Parkes, Richard A Dennis, Melinda M Bopp, Ricardo Caceda, Mark S Mennemeier, Paula K Roberson, Dennis H Sullivan
Apathy is a common and disabling behavioral concomitant of many neurodegenerative conditions. The presence of apathy with Mild Cognitive Impairment (MCI) is linked with heightened rates of conversion to Alzheimer's disease. Improving apathy may slow the neurodegenerative process. The objective was to establish the efficacy of repetitive transcranial magnetic stimulation (rTMS) in improving apathy in older adults with MCI. An 8-week, double-blind, randomized, sham-controlled cross-over study was conducted in nine subjects (66 ± 9 years) with apathy and MCI...
January 5, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29325990/quantitative-proteomics-reveals-a-role-of-jaz7-in-plant-defense-response-to-pseudomonas-syringae-dc3000
#6
Tong Zhang, Li Meng, Wenwen Kong, Zepeng Yin, Yang Wang, Jacqueline D Schneider, Sixue Chen
Jasmonate ZIM-domain (JAZ) proteins are key transcriptional repressors regulating various biological processes. Although many studies have studied JAZ proteins by genetic and biochemical analyses, little is known about JAZ7-associated global protein networks and how JAZ7 contributes to bacterial pathogen defense. In this study, we aim to fill this knowledge gap by conducting unbiased large-scale quantitative proteomics using tandem mass tags (TMT). We compared the proteomes of a JAZ7 knock-out line, a JAZ7 overexpression line, as well as the wild type Arabidopsis plants in the presence and absence of Pseudomonas syringae DC3000 infection...
January 8, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29324947/cognitive-changes-in-nurses-working-in-intensive-care-units
#7
Daniel Aragão Machado, Nébia Maria Almeida de Figueiredo, Luciane de Souza Velasques, Cleonice Alves de Melo Bento, Wiliam César Alves Machado, Lúcia Alves Marques Vianna
OBJECTIVE: To measure the levels of stress, anxiety, and depression of nurses working in ICUs, relating them to levels of attention before and after 24 hours. METHOD: An observational, quantitative, analytical study with 18 nurses undergoing an inventory of stress, anxiety, and depression, as well as assessment of attention levels and psychomotor functioning. RESULTS: Sixty-one percent showed positive for stress. Depression was observed in 33%; and anxiety in 99...
January 2018: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29321703/executive-functions-of-obsessive-compulsive-disorder-and-panic-disorder-patients-in-comparison-to-healty-controls
#8
Emel Kurt, Erol Yildirim, Volkan Topçuoğlu
Introduction: Patients with obsessive compulsive disorder (OCD) have impaired cognitive functions, including attention, verbal and visual memory, and visual-spatial abilities as well as executive function But some studies did not show any disturbance in executive function of patients with OCD. To date, only few studies have been conducted on neuropsychological functioning of patients with panic disorder (PD). There are limited studies to reach a definite conclusion on executive functions of patients with OCD and those with PD...
December 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/29313722/normative-data-for-farsi-speaking-iranians-in-the-united-states-on-measures-of-executive-functioning
#9
Justina F Avila, Steven P Verney, Kaitlyn Kauzor, Amina Flowers, Maryam Mehradfar, Jill Razani
As the Farsi-speaking Iranian population continues to grow in the United States, examination of their cognitive performance is an imperative first step to providing this group with culturally competent services. Thirty-six healthy primarily Farsi-speaking Iranian adults completed Farsi-translated and adapted versions of three frequently used measures of executive/subcortical functioning: Wisconsin Card Sorting Test (WCST), Trail Making Test (TMT), and Color Trails Test (CTT). Participants' performance on each measure was compared to published normative data resulting in 0-85% of cognitively and medically healthy individuals being classified as impaired depending on the executive/subcortical test score examined, with the highest impairment rates for specific WCST outcome scores...
January 9, 2018: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/29298675/root-lodging-is-a-physical-stress-that-changes-gene-expression-from-sucrose-accumulation-to-degradation-in-sorghum
#10
Hiroshi Mizuno, Shigemitsu Kasuga, Hiroyuki Kawahigashi
BACKGROUND: Sorghum (Sorghum bicolor L.) is used as a raw material for biofuels because it accumulates sugars at high levels in the stem. Lodging of sorghum occurs when the soil is wet and very high winds blow across the field. In root lodging, the roots are pulled loose from the soil, causing the plant to fall over. Lodging reduces the yield of nonstructural carbohydrates. It is not yet clear which genes show changes in expression when sorghum falls over. We compared whole-gene expression in the mature stems of intact and lodged sorghum plants, with a focus on comparisons from the perspective of differences in sugar accumulation or degradation...
January 3, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29298174/reduced-walking-speed-in-subjective-and-mild-cognitive-impairment-a-cross-sectional-study
#11
Mari Kalland Knapstad, Ole Martin Steihaug, Mona Kristin Aaslund, Arne Nakling, Ingvill Fjell Naterstad, Tormod Fladby, Dag Aarsland, Lasse Melvaer Giil
BACKGROUND AND PURPOSE: Walking speed is reduced in people with dementia, but less is known about predementia conditions. We, therefore, studied the relationship between walking speed, cognition, and cerebrospinal fluid biomarkers in persons with subjective (SCI) and mild cognitive impairment (MCI). METHODS: We conducted a cross-sectional study of 22 healthy controls, 30 SCI and 17 MCI (N = 69). Walking speed was measured by a 10-m gait test at usual and fast pace...
January 2, 2018: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/29297937/anxiety-symptoms-predicted-decline-in-episodic-memory-in-cognitively-healthy-older-adults-a-3-year-prospective-study
#12
Ada Wai Tung Fung, Joyce Sau Wa Lee, Allen Ting Chun Lee, Linda Chiu Wa Lam
OBJECTIVE: Prospective studies on late-life anxiety disorders suggested that history of anxiety symptoms may be predictive of cognitive decline in old age. However, the relationship between anxiety and cognitive decline is still inconclusive due to heterogeneity in sample and methodology. This study was to explore how baseline anxiety symptoms associated with the change of memory in older people without cognitive impairment over a 3-year period. METHODS: This was a 3-year prospective study on 91 cognitively normal older adults with anxiety symptoms...
January 3, 2018: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29286450/deep-proteome-profiling-by-isobaric-labeling-extensive-liquid-chromatography-mass-spectrometry-and-software-assisted-quantification
#13
Anthony A High, Haiyan Tan, Vishwajeeth R Pagala, Mingming Niu, Ji-Hoon Cho, Xusheng Wang, Bing Bai, Junmin Peng
Many exceptional advances have been made in mass spectrometry (MS)-based proteomics, with particular technical progress in liquid chromatography (LC) coupled to tandem mass spectrometry (LC-MS/MS) and isobaric labeling multiplexing capacity. Here, we introduce a deep-proteomics profiling protocol that combines 10-plex tandem mass tag (TMT) labeling with an extensive LC/LC-MS/MS platform, and post-MS computational interference correction to accurately quantitate whole proteomes. This protocol includes the following main steps: protein extraction and digestion, TMT labeling, 2-dimensional (2D) LC, high-resolution mass spectrometry, and computational data processing...
November 15, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29283079/differential-contributions-of-selective-attention-and-sensory-integration-to-driving-performance-in-healthy-aging-and-alzheimer-s-disease
#14
Umesh M Venkatesan, Elena K Festa, Brian R Ott, William C Heindel
OBJECTIVES: Patients with Alzheimer's disease (AD) demonstrate deficits in cross-cortical feature binding distinct from age-related changes in selective attention. This may have consequences for driving performance given its demands on multisensory integration. We examined the relationship of visuospatial search and binding to driving in patients with early AD and elderly controls (EC). METHODS: Participants (42 AD; 37 EC) completed search tasks requiring either luminance-motion (L-M) or color-motion (C-M) binding, analogs of within and across visual processing stream binding, respectively...
December 28, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29280565/quantitative-proteomic-analysis-of-changes-related-to-age-and-calorie-restriction-in-rat-liver-tissue
#15
YounAh Kim, Oh Kwang Kwon, Sehyun Chae, Hee-Jung Jung, Sanghyun Ahn, Ju Mi Jeon, Eunji Sung, SunJoo Kim, Sung Hwan Ki, Ki Wung Chung, Hae Young Chung, Young Suk Jung, Dae Hee Hwang, Sangkyu Lee
Calorie restriction (CR) is the most frequently studied mechanism for increasing longevity, protecting against stress, and delaying age-associated diseases. Most studies have initiated CR in young animals to determine the protective effects against aging. Although aging phenomena are well-documented, the molecular mechanisms of aging and CR remain unclear. In this study, we observed changes in hepatic proteins upon age-related and diet-restricted changes in the rat liver using quantitative proteomics. Quantitative proteomes were measured using tandem mass tag (TMT) labeling followed by liquid chromatography-tandem mass spectrometry...
December 27, 2017: Proteomics
https://www.readbyqxmd.com/read/29276322/rhesus-macaques-macaca-mulatta-displaying-self-injurious-behavior-show-more-sleep-disruption-than-controls
#16
Lauren L Stanwicks, Amanda F Hamel, Melinda A Novak
Self-injurious behavior (SIB) is a pathology observed in both humans and animals. In humans, SIB has been linked to various mental health conditions that are also associated with significant sleep disruption. In rhesus macaques, SIB consists of self-directed biting which can range from mild skin abrasions to wounds requiring veterinary care. However, only one study suggests possible sleep disruption in macaques with SIB. We evaluated sleep disruption using a noninvasive system (infra-red camera and a video surveillance program) which created videos for every movement over the nighttime hours...
December 2017: Applied Animal Behaviour Science
https://www.readbyqxmd.com/read/29275589/-characteristics-of-cognitive-impairment-and-the-resting-state-functional-mri-in-patients-with-leukoaraiosis
#17
Q Li, L Q Zhao, F Y Hu
Objective: To investigate the features of cognitive impairment and potential physiopathologic mechanism using neuropsychological assessment and resting state functional magnetic resonance imaging (rs-fMRI) in patients with leukoaraiosis (LA). Methods: A total of 13 patients with LA (LA group) and 13 healthy controls (NC group) from Shanxi Provincial People's Hospital between January and June 2016 were recruited. The two groups were matched for age, sex, education, and vascular risk factors. All the subjects underwent neuropsychological assessment and the scan of rs-fMRI...
December 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29259353/effects-of-extremely-low-frequency-electromagnetic-fields-on-neurogenesis-and-cognitive-behavior-in-an-experimental-model-of-hippocampal-injury
#18
Mohammad Hassan Sakhaie, Mansoureh Soleimani, Bagher Pourheydar, Zahra Majd, Pezhman Atefimanesh, Sara Soleimani Asl, Mehdi Mehdizadeh
Exposure to extremely low-frequency electromagnetic fields may induce constant modulation in neuronal plasticity. In recent years, tremendous efforts have been made to design a suitable strategy for enhancing adult neurogenesis, which seems to be deterred due to brain senescence and several neurodegenerative diseases. In this study, we evaluated the effects of ELF-EMF on neurogenesis and memory, following treatment with trimethyltin chloride (TMT) as a neurotoxicant. The mice in all groups (n = 56) were injected with BrdU during the experiment for seven consecutive days to label newborn cells...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/29251223/research-on-the-hepatotoxicity-mechanism-of-citrate-modified-silver-nanoparticles-based-on-metabolomics-and-proteomics
#19
Jiabin Xie, Wenying Dong, Rui Liu, Yuming Wang, Yubo Li
Citrate-modified silver nanoparticles (AgNP-cit) have received extensive attention due to their excellent antimicrobial properties. However, these particles tend to migrate in vivo, thereby entering the blood circulatory system in granular form and accumulating in the liver, causing toxic reactions. However, the mechanism underlying AgNP-cit toxicity is not yet clear. Thus, we adopted a tandem mass tag (TMT)-labeled quantitative proteomics and metabolomics approach to identify proteins and small molecule metabolites associated with AgNP-cit-induced liver damage and constructed interaction networks between the differentially expressed proteins and metabolites to explain the AgNP-cit toxicity mechanism...
December 18, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/29247804/infection-and-adaption-based-proteomic-changes-of-streptococcus-suis-serotype-2-in-a-pig-model
#20
Yanfei Yu, Yunyun Qian, Dechao Du, Quan Li, Chenyang Xu, Hanze Liu, Mianmian Chen, Huochun Yao, Chengping Lu, Wei Zhang
Streptococcus suis (S. suis) is an emerging zoonotic agent that is responsible for significant economic losses to the porcine industry worldwide. However, most research regarding the pathogenic mechanisms has used in vitro cultures of S. suis, which may not provide an accurate representation of the in vivo biological activities. In this study, 188 differential abundance S. suis proteins were identified in in vivo samples obtained from the blood of the infected pigs. These were compared with in vitro samples by a Tandem Mass Tags (TMT) experiment...
December 13, 2017: Journal of Proteomics
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