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https://www.readbyqxmd.com/read/28808402/role-of-adiantum-philippense-l-on-glucose-uptake-in-isolated-pancreatic-cells-and-inhibition-of-adipocyte-differentiation-in-3t3-l1-cell-line
#1
Tania Paul, Kishori G Apte, Pradeep B Parab, Biswadeep Das
BACKGROUND: Adiantum philippense (AP) is a pteridophyte that shows antihyperglycemic activity in vivo diabetic model, but the mechanism of action is unknown. OBJECTIVE: AP was found to play a pivotal role in minimizing the high blood glucose in alloxan-induced diabetic rats. Simultaneously, it was observed that it could maintain the normal lipid profile even in diabetic condition. To investigate its insulin-like activity along with its inhibitory role on adipocyte differentiation became the objective of our present study...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28806274/transfusion-related-immunomodulation-a-reappraisal
#2
Lyla A Youssef, Steven L Spitalnik
PURPOSE OF REVIEW: This review summarizes current and prior observations regarding transfusion-related immunomodulation (TRIM) and puts these ideas into a modern immunological context, incorporating concepts from innate, adaptive, and nutritional immunity. We propose that TRIM research focus on determining whether there are specific, well-defined immunosuppressive effects from transfusing 'pure' red blood cells (RBCs) themselves, along with the by-products produced by the stored RBCs as a result of the 'storage lesion...
August 12, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28804462/heat-acclimation-mediated-cross-tolerance-origins-in-within-life-epigenetics
#3
REVIEW
Michal Horowitz
The primary outcome of heat acclimation is increased thermotolerance, which stems from enhancement of innate cytoprotective pathways. These pathways produce "ON CALL" molecules that can combat stressors to which the body has never been exposed, via cross-tolerance mechanisms (heat acclimation-mediated cross-tolerance-HACT). The foundation of HACT lies in the sharing of generic stress signaling, combined with tissue/organ- specific protective responses. HACT becomes apparent when acclimatory homeostasis is achieved, lasts for several weeks, and has a memory...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28801195/avoidance-of-accelerated-aging-in-schizophrenia-clinical-and-biological-characterization-of-an-exceptionally-high-functioning-individual
#4
Barton W Palmer, Raeanne C Moore, Lisa T Eyler, Luz L Pinto, Elyn R Saks, Dilip V Jeste
OBJECTIVE: To determine the clinical and biological characteristics of an exceptionally high functioning index person (IP) with schizophrenia in her mid-50s, which may represent compensatory mechanisms, and potentially, avoidance of the accelerated aging typically associated with schizophrenia. METHOD: IP, 11 other women with schizophrenia, and 11 non-psychiatric comparison (NC) women were assessed with standard ratings of psychopathology, neurocognitive function, decisional capacity, and functional brain imaging...
August 8, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28797599/magnetic-resonance-spectroscopy-analysis-of-neurochemical-changes-in-the-atrophic-hippocampus-of-app-ps1-transgenic-mice
#5
Shengxiang Liang, Jia Huang, Weilin Liu, Hao Jin, Long Li, Xiufeng Zhang, Binbin Nie, Ruhui Lin, Jing Tao, Shujun Zhao, Baoci Shan, Lidian Chen
Alzheimer's disease (AD) is characterized by neuropathological changes and progressive cognitive decline, which is associated with the volume loss and neurochemical alterations. However, the specific neurochemical alterations in cerebral regions that contribute to cognitive decline still remain unknown. In the present study, we measured cerebral morphological and neurochemical alterations using structural magnetic resonance imaging (MRI) and proton magnetic resonance spectroscopy ((1)H-MRS) in an AD model of APP/PS1 transgenic mice...
August 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28790368/signs-of-innate-immune-activation-and-premature-immunosenescence-in-psoriasis-patients
#6
Liisi Šahmatova, Elena Sügis, Marina Šunina, Helen Hermann, Ele Prans, Maire Pihlap, Kristi Abram, Ana Rebane, Hedi Peterson, Pärt Peterson, Külli Kingo, Kai Kisand
Psoriasis is a chronic inflammatory disease that affects skin and is associated with systemic inflammation and many serious comorbidities ranging from metabolic syndrome to cancer. Important discoveries about psoriasis pathogenesis have enabled the development of effective biological treatments blocking the T helper 17 pathway. However, it has not been settled whether psoriasis is a T cell-mediated autoimmune disease or an autoinflammatory disorder that is driven by exaggerated innate immune signalling. Our comparative gene expression and hierarchical cluster analysis reveal important gene circuits involving innate receptors...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28782427/berberine-improves-diabetic-encephalopathy-through-sirt1-er-stress-pathway-in-db-db-mice
#7
Hong-Ying Li, Xin-Chen Wang, Yu-Min Xu, Na-Chuan Luo, Si Luo, Xu-Yi Hao, Shu-Yi Cheng, Jian-Song Fang, Qi Wang, Shi-Jie Zhang, Yun-Bo Chen
The association between diabetes and dementia has been well-demonstrated by epidemiologic studies. Berberine (BBR) has been reported to ameliorate diabetes and diabetic encephalopathy (DE). However, the mechanism is still unknown. In this study, we employ a diabetic model, db/db mice, to explore whether BBR could protect DE through SIRT1/endoplasmic reticulum (ER) stress pathway. The behavioral results (Morris water maze, Y-maze spontaneous alternation test and fearing condition test) showed that oral administration of BBR (50 mg/kg) improved the learning and memory ability...
August 7, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28780306/neuromedin-b-and-its-receptor-silencing-suppresses-osteoclast-generation-by-modulating-precursor-proliferation-via-m-csf-c-fms-d-type-cyclins
#8
Chae-Eun Yeo, Woo Youl Kang, Sook Jin Seong, Seungil Cho, Hae Won Lee, Young-Ran Yoon, Hyun-Ju Kim
Neuromedin B (NMB), a mammalian bombesin-like peptide, regulates diverse physiological processes, such as energy metabolism, memory and fear behavior, and cellular growth, through its cognate receptor, NMBR. In this study, we report that NMB expression was upregulated during osteoclast development and that silencing NMB or NMBR attenuated osteoclast generation mediated by macrophage colony-stimulating factor (M-CSF) and receptor activator of NF-κB ligand (RANKL). We found that knockdown of NMB or NMBR using a small hairpin RNA suppressed M-CSF-induced proliferation of osteoclast precursor cells without altering osteoclast differentiation...
August 2, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28777751/association-studies-of-specific-cholesterol-related-genes-apoe-lpl-and-cetp-with-lipid-profile-and-memory-function-a%C3%A2-correlative-study-among-rural-and-tribal-population-of-dharmapuri-district-india
#9
Sabapathy Periyasamy, Mohan Sathya, Chennakesavan Karthick, Mahesh Kandasamy, Sellathamby Shanmugaapriya, Jeyavelu Tamilselvan, Kesavan Swaminathan Jayachandran, Muthuswamy Anusuyadevi
 Epidemiological studies state that dementia has multiple etiologies including genetic mutation, genetic variation, and environmental factors. Accumulating evidence suggests that dysregulation of cholesterol homeostasis is the major etiological factor in initiating neurodegeneration. Apolipoprotein E (APOE) polymorphic alleles and associated polymorphism of lipoprotein lipase (LPL) and cholesteryl ester transfer protein (CETP) that are important components in regulating cholesterol metabolism are implicated in neurodegenerative diseases...
July 29, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28772412/biocompatibility-and-inflammatory-potential-of-titanium-alloys-cultivated-with-human-osteoblasts-fibroblasts-and-macrophages
#10
Jana Markhoff, Martin Krogull, Christian Schulze, Christian Rotsch, Sandra Hunger, Rainer Bader
The biomaterials used to maintain or replace functions in the human body consist mainly of metals, ceramics or polymers. In orthopedic surgery, metallic materials, especially titanium and its alloys, are the most common, due to their excellent mechanical properties, corrosion resistance, and biocompatibility. Aside from the established Ti6Al4V alloy, shape memory materials such as nickel-titanium (NiTi) have risen in importance, but are also discussed because of the adverse effects of nickel ions. These might be reduced by specific surface modifications...
January 10, 2017: Materials
https://www.readbyqxmd.com/read/28771808/camp-pka-signaling-pathway-contributes-to-neuronal-apoptosis-via-regulating-ide-expression-in-a-mixed-model-of-type-2-diabetes-and-alzheimer-s-disease
#11
Huajie Li, Song Yang, Jian Wu, Lei Ji, Linfeng Zhu, Liping Cao, Jinzhong Huang, Qingqing Jiang, Jiang Wei, Meng Liu, Keshi Mao, Ning Wei, Wei Xie, Zhilong Yang
Type 2 diabetes (T2D) may play a relevant role in the development of Alzheimer's disease (AD), however, the underlying mechanism was not clear yet. We developed an animal model presenting both AD and T2D, morris water maze (MWM) test and recognition task were performed to trace the cognitive function. Fasting plasma glucose (FPG) and oral glucose tolerance test (OGTT) were determined to trace the metabolism evolution. TUNEL assay and apoptosis-related protein levels were analyzed for the detection of neuronal apoptosis...
August 3, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28771483/myeloid-specific-deletion-of-nox2-prevents-the-metabolic-and-neurologic-consequences-of-high-fat-diet
#12
Jennifer K Pepping, Bolormaa Vandanmagsar, Sun-Ok Fernandez-Kim, Jingying Zhang, Randall L Mynatt, Annadora J Bruce-Keller
High fat diet-induced obesity is associated with inflammatory and oxidative signaling in macrophages that likely participates in metabolic and physiologic impairment. One key factor that could drive pathologic changes in macrophages is the pro-inflammatory, pro-oxidant enzyme NADPH oxidase. However, NADPH oxidase is a pleiotropic enzyme with both pathologic and physiologic functions, ruling out indiscriminant NADPH oxidase inhibition as a viable therapy. To determine if targeted inhibition of monocyte/macrophage NADPH oxidase could mitigate obesity pathology, we generated mice that lack the NADPH oxidase catalytic subunit NOX2 in myeloid lineage cells...
2017: PloS One
https://www.readbyqxmd.com/read/28764817/the-rpmi-1640-vitamin-mixture-promotes-bovine-blastocyst-development-in-vitro-and-downregulates-gene-expression-of-txnip-with-epigenetic-modification-of-associated-histones
#13
S Ikeda, M Sugimoto, S Kume
Diverse environmental conditions surrounding preimplantation embryos, including available nutrients, affect their metabolism and development in both short- and long-term manner. Thioredoxin-interacting protein (TXNIP) is a possible marker for preimplantation stress that is implicated in in vitro fertilization- (IVF) induced long-term DOHaD effects. B vitamins, as participants in one-carbon metabolism, may affect preimplantation embryos by epigenetic alterations of metabolically and developmentally important genes...
August 2, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28761757/mechanisms-of-action-and-rationale-for-the-use-of-checkpoint-inhibitors-in-cancer
#14
REVIEW
Clemence Granier, Eleonore De Guillebon, Charlotte Blanc, Helene Roussel, Cecile Badoual, Elia Colin, Antonin Saldmann, Alain Gey, Stephane Oudard, Eric Tartour
The large family of costimulatory molecules plays a crucial role in regulation of the immune response. These molecules modulate TCR signalling via phosphorylation cascades. Some of the coinhibitory members of this family, such as PD-1 and CTLA-4, already constitute approved targets in cancer therapy and, since 2011, have opened a new area of antitumour immunotherapy. Many antibodies targeting other inhibitory receptors (Tim-3, VISTA, Lag-3 and so on) or activating costimulatory molecules (OX40, GITR and so on) are under evaluation...
2017: ESMO Open
https://www.readbyqxmd.com/read/28761330/epigenetic-memory-of-oxidative-stress-does-nephrilin-exert-its-protective-effects-via-rac1
#15
Desmond D Mascarenhas, David N Herndon, Istvan Arany
AIM: Nephrilin peptide, a designed inhibitor of Rictor complex (mTORC2), exerts pleiotropic protective effects in metabolic, xenobiotic and traumatic stress models. Stress can generate enduring epigenetic changes in gene function. In this work we examine the possibility that nephrilin treatment protects against acute and enduring global changes in oxidative metabolism, with a focus on the Rictor-complex-mediated activation of Rac1, a subunit of NADPH oxidase (Nox) via PKCs, Prex1 and p66shc...
2017: Biologics: Targets & Therapy
https://www.readbyqxmd.com/read/28759166/altered-metabolites-of-the-rat-hippocampus-after-mild-and-moderate-traumatic-brain-injury-a-combined-in-vivo-and-in-vitro-1-h-mrs-study
#16
Kavita Singh, Richa Trivedi, Ajay Verma, Maria M D'souza, Sunil Koundal, Poonam Rana, Bikash Baishya, Subash Khushu
Traumatic brain injury (TBI) has been shown to affect hippocampus-associated learning, memory and higher cognitive functions, which may be a consequence of metabolic alterations. Hippocampus-associated disorders may vary depending on the severity of injury [mild TBI (miTBI) and moderate TBI (moTBI)] and time since injury. The underlying hippocampal metabolic irregularities may provide an insight into the pathological process following TBI. In this study, in vivo and in vitro proton magnetic resonance spectroscopy ((1) H-MRS) data were acquired from the hippocampus region of controls and TBI groups (miTBI and moTBI) at D0 (pre-injury), 4 h, Day 1 and Day 5 post-injury (PI)...
July 31, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28757902/resting-brain-activity-related-to-dispositional-mindfulness-a-pet-study
#17
Martin Gartenschläger, Mathias Schreckenberger, Hans-Georg Buchholz, Iris Reiner, Manfred E Beutel, Julia Adler, Matthias Michal
Mindfulness denotes a state of consciousness characterized by receptive attention to and awareness of present events and experiences. As a personality trait, it constitutes the ability to become aware of mental activities such as sensations, images, feelings, and thoughts, and to disengage from judgment, conditioned emotions, and their cognitive processing or automatic inhibition. Default brain activity reflects the stream of consciousness and sense of self at rest. Analysis of brain activity at rest in persons with mindfulness propensity may help to elucidate the neurophysiological basis of this important mental trait...
2017: Mindfulness
https://www.readbyqxmd.com/read/28757311/impacts-of-maternal-diet-and-exercise-on-offspring-behavior-and-body-weights
#18
Virginia C Moser, Katherine L McDaniel, Emily A Woolard, Pamela M Phillips, Jason N Franklin, Christopher J Gordon
Human and animal studies indicate that maternal obesity can negatively impact aspects of metabolism and neurodevelopment in the offspring. Not known, however, is whether maternal exercise can alter these adverse outcomes. In this study, Long-Evans female rats were provided a high fat (60%; HFD) or control diet (CD) 44days before mating and throughout gestation and lactation. Running wheels were available to half of each diet group during the gestational period only, resulting in four conditions: CD diet with (CDRW) or without (sedentary; CDSED) exercise, and HFD with (HFRW) or without (HFSED) exercise...
July 27, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28756577/omega-3-fatty-acids-revert-high-fat-diet-induced-neuroinflammation-but-not-recognition-memory-impairment-in-rats
#19
Aline Marcelino de Andrade, Marilda da Cruz Fernandes, Luciano Stürmer de Fraga, Marilene Porawski, Márcia Giovenardi, Renata Padilha Guedes
Neuroinflammation is a consequence of overeating and may predispose to the development of cognitive decline and neurological disorders. This study aimed to evaluate the impact of omega-3 supplementation on memory and neuroinflammatory markers in rats fed a high-fat diet. Male Wistar rats were divided into four groups: standard diet (SD); standard diet + omega-3 (SD + O); high fat diet (HFD); and high fat diet + omega-3 (HFD + O). Diet administration was performed for 20 weeks and omega-3 supplementation started at the 16th week...
July 29, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28756309/activation-of-brain-glucose-metabolism-ameliorating-cognitive-impairment-in-app-ps1-transgenic-mice-by-electroacupuncture
#20
Weilin Liu, Peiyuan Zhuo, Long Li, Hao Jin, Bingbing Lin, Yingzheng Zhang, Shengxiang Liang, Jie Wu, Jia Huang, Zhifu Wang, Ruhui Lin, Lidian Chen, Jing Tao
An essential feature of Alzheimer's disease (AD) is implicated in brain energy metabolic impairment that is considered underlying pathogenesis of cognitive impairment. Therefore, therapeutic interventions to allay cognitive deficits that target energy metabolism may be an efficacy strategy in AD. In this study, we found that electroacupuncture (EA) at the DU20 acupoint obviously increased glucose metabolism in specific brain regions such as cortex, hippocampus, cingulate gyrus, basal forebrain septum, brain stem, and cerebellum in APP/PS1 transgenic mice by animal (18)F-Fluoro-2-deoxy-D-Glucose ((18)F-FDG)/positron emission tomography (PET) imaging, accompanied by cognitive improvements in the spatial reference learning and memory and memory flexibility and novel object recognition performances...
July 26, 2017: Free Radical Biology & Medicine
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