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https://www.readbyqxmd.com/read/28938100/exposure-to-phthalates-in-patients-with-diabetes-and-its-association-with-oxidative-stress-adiponectin-and-inflammatory-cytokines
#1
Yishuang Duan, Lei Wang, Liping Han, Bin Wang, Hongwen Sun, Liming Chen, Lingyan Zhu, Yi Luo
Epidemiologic studies have revealed higher concentrations of the metabolites of phthalic acid esters (mPAEs) in patients with type 2 diabetes. On the other hand, oxidative stress, adiponectin, and inflammatory cytokines play important roles in the pathogenesis of diabetes and its complications. However, little information is known about the association between exposure to PAEs and these physiological parameters. Hence, paired urine and blood samples were collected from a total of 329 volunteers, and 11 main mPAEs and malondialdehyde (MDA), as a biomarker of oxidative stress, were measured in the urine samples...
September 19, 2017: Environment International
https://www.readbyqxmd.com/read/28930173/polyphenols-from-root-tubercles-and-grains-cropped-in-brazil-chemical-and-nutritional-characterization-and-their-effects-on-human-health-and-diseases
#2
REVIEW
Diego Dos Santos Baião, Cyntia Silva de Freitas, Laidson Paes Gomes, Davi da Silva, Anna Carolina N T F Correa, Patricia Ribeiro Pereira, Eduardo Mere Del Aguila, Vania Margaret Flosi Paschoalin
Throughout evolution, plants have developed the ability to produce secondary phenolic metabolites, which are important for their interactions with the environment, reproductive strategies and defense mechanisms. These (poly)phenolic compounds are a heterogeneous group of natural antioxidants found in vegetables, cereals and leguminous that exert beneficial and protective actions on human health, playing roles such as enzymatic reaction inhibitors and cofactors, toxic chemicals scavengers and biochemical reaction substrates, increasing the absorption of essential nutrients and selectively inhibiting deleterious intestinal bacteria...
September 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28929986/the-effect-of-temperature-on-the-initial-development-of-brycon-amazonicus-spix-agassiz-1829-as-tool-for-micromanipulation-of-embryos
#3
Regiane Cristina da Silva, Matheus Pereira Dos Santos, José Augusto Senhorini, Maria do Carmo Faria Paes, Fernanda Nogueira Valentin, Takafumi Fujimoto, Nivaldo Ferreira do Nascimento, George Shigueki Yasui, Laura Satiko Okada Nakaghi
Primordial germ cell (PGC) transplant is a promising tool in aquaculture; however, successful use of this technique requires in depth knowledge of the early stages of embryo and larval development. The aim of this study was to analyse the effect of different temperatures (22, 26, and 30°C) on the early development of B. amazonicus. The newly fertilized eggs were distributed into tanks with controlled temperature and oxygenation. Samples were collected at pre-established times and analysed under light and fluorescence microscopy...
September 20, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28925167/-analysis-on-intestinal-absorption-of-paeoniflorin-lipid-liquid-crystalline-nanoparticles-via-everted-intestinal-sacs
#4
Shuang Teng, Ling Qiu, Hong-Ge Chen, Bao-de Shen, Cheng-Ying Shen, Ping-Hua Xu, Jin Han, Hai-Long Yuan
To study the absorption kinetics of paeoniflorin lipid liquid crystalline nanoparticles (Pae-LLCN) in different intestinal segments of rats and compare them with paeoniflorin(Pae) solution. Rat everted gut sac models were adopted for intestinal absorption test, and Pae content was determined by HPLC method to study the absorption characteristics of Pae-LLCN in rat duodenum, jejunum, ileum and colon, and investigate the effects of different drug concentrations on intestinal absorption. Results showed that Pae-LLCN and Pae were well absorbed at different intestine segments and different concentrations...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28924345/delivery-of-paeonol-by-nanoparticles-enhances-its-in-vitro-and-in-vivo-antitumor-effects
#5
Cong Chen, Feng Jia, Zhibo Hou, Shu Ruan, Qibin Lu
Paeonol (Pae; 2'-hydroxy-4'-methoxyacetophenone) has attracted intense attention as a potential therapeutic agent against various cancers. However, the use of Pae is limited owing to its hydrophobicity. Recently, biodegradable polymeric nanoparticles with amphiphilic copolymers have been used as drug carriers; these have better bioavailability and are promising tumor-targeted drug delivery systems. In the current study, we prepared Pae-loaded nanoparticles (Pae-NPs) with amphiphilic block copolymers using nanoprecipitation...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28919749/ginsenoside-rg1-nanoparticle-penetrating-the-blood-brain-barrier-to-improve-the-cerebral-function-of-diabetic-rats-complicated-with-cerebral-infarction
#6
Junyi Shen, Zhiming Zhao, Wei Shang, Chunli Liu, Beibei Zhang, Lingjie Zhao, Hui Cai
Diabetic cerebral infarction is with poorer prognosis and high rates of mortality. Ginsenoside Rg1 (Rg1) has a wide variety of therapeutic values for central nervous system (CNS) diseases for the neuron protective effects. However, the blood-brain barrier (BBB) restricts Rg1 in reaching the CNS. In this study, we investigated the therapeutic effects of Rg1 nanoparticle (PHRO, fabricated with γ-PGA, L-PAE (H), Rg1, and OX26 antibody), targeting transferrin receptor, on the diabetes rats complicated with diabetic cerebral infarction in vitro and in vivo...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28918855/ion-pair-in-tube-solid-phase-microextraction-for-the-simultaneous-determination-of-phthalates-and-their-degradation-products-in-atmospheric-particulate-matter
#7
M Fernández-Amado, M C Prieto-Blanco, P López-Mahía, S Muniategui-Lorenzo, D Prada-Rodríguez
An in-tube solid phase microextraction, coupled with high-performance liquid chromatography with diode array detection (IT-SPME-HPLC-DAD) method, has been developed for the simultaneous determination of 13 diesters (from dimethyl to dioctylphthalate plus diisobutyl, benzylbutyl, di-2-ethylhexyl, diisononyl and diisodecylphthalate) and 2 monoesters of phthalic acid (mono-butyl and mono-(2-ethylhexyl) phthalate) in particulate matter (PM10). Triethylamine at pH=3 was used as an ion-pair reagent with a double function, of regulating the chromatographic retention of the monoesters and the most hydrophilic diesters on a monolithic silica column, and of improving their extraction on a porous polymer with divinylbenzene-4-vinylpyridine capillary...
September 6, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28917840/both-nitric-oxide-and-nitrite-prevent-homocysteine-induced-endoplasmic-reticulum-stress-and-subsequent-apoptosis-via-cgmp-dependent-pathway-in-neuronal-cells
#8
Sun-Oh Jeong, Yong Son, Ju Hwan Lee, Seung Won Choi, Sung Hun Kim, Yong-Kwan Cheong, Hun-Taeg Chung, Hyun-Ock Pae
Growing evidence indicates that endoplasmic reticulum (ER) stress and/or ER stress-mediated apoptosis may play a role in the pathogenesis of neurodegenerative diseases such as Alzheimer's disease. The present study investigated the effects of non-cytotoxic concentrations of nitric oxide (NO) and nitrite, a metabolite of NO, on ER stress and ER stress-mediated apoptosis in Neuro-2a cells exposed to homocysteine (Hcy), an endogenous ER stress inducer. Hcy induced ER stress, as confirmed by inositol-requiring enzyme 1α (IRE1α) phosphorylation and X-box-binding protein-1 (Xbp1) mRNA splicing as well as C/EBP homologous protein (CHOP) expression, and apoptosis, as verified by Annexin V-positive cells...
September 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28914230/prefrontal-cortical-responses-in-children-with-prenatal-alcohol-related-neurodevelopmental-impairment-a-functional-near-infrared-spectroscopy-study
#9
Julie A Kable, Claire D Coles
OBJECTIVE: Disruption in the neural activation of the prefrontal cortex (PFC) in modulating arousal was explored in children with heavy prenatal alcohol exposure (PAE), who have known neurobehavioral impairment. METHODS: During a task that elicits frustration, functional near-infrared spectroscopy (fNIRS) was used to measure PFC activation, specifically levels of oxygenated (HBO) and deoxygenated (HBR) hemoglobin, in children with PAE (n=18) relative to typically developing Controls (n=12) and a Clinical Contrast group with other neurodevelopmental or behavioral problems (n=14)...
September 2, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28913661/discovery-of-non-peptidic-small-molecule-inhibitors-of-cyclophilin-d-as-neuroprotective-agents-in-a%C3%AE-induced-mitochondrial-dysfunction
#10
Insun Park, Ashwini M Londhe, Ji Woong Lim, Beoung-Geon Park, Seo Yun Jung, Jae Yeol Lee, Sang Min Lim, Kyoung Tai No, Jiyoun Lee, Ae Nim Pae
Cyclophilin D (CypD) is a mitochondria-specific cyclophilin that is known to play a pivotal role in the formation of the mitochondrial permeability transition pore (mPTP).The formation and opening of the mPTP disrupt mitochondrial homeostasis, cause mitochondrial dysfunction and eventually lead to cell death. Several recent studies have found that CypD promotes the formation of the mPTP upon binding to β amyloid (Aβ) peptides inside brain mitochondria, suggesting that neuronal CypD has a potential to be a promising therapeutic target for Alzheimer's disease (AD)...
September 14, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/28911764/global-respiratory-syncytial-virus-associated-mortality-in-young-children-rsv-gold-a-retrospective-case-series
#11
Nienke M Scheltema, Angela Gentile, Florencia Lucion, D James Nokes, Patrick K Munywoki, Shabir A Madhi, Michelle J Groome, Cheryl Cohen, Jocelyn Moyes, Kentigern Thorburn, Somsak Thamthitiwat, Hitoshi Oshitani, Socorro P Lupisan, Aubree Gordon, José F Sánchez, Katherine L O'Brien, Bradford D Gessner, Agustinus Sutanto, Asuncion Mejias, Octavio Ramilo, Najwa Khuri-Bulos, Natasha Halasa, Fernanda de-Paris, Márcia Rosane Pires, Michael C Spaeder, Bosco A Paes, Eric A F Simões, Ting F Leung, Maria Tereza da Costa Oliveira, Carla Cecília de Freitas Lázaro Emediato, Quique Bassat, Warwick Butt, Hsin Chi, Uzma Bashir Aamir, Asad Ali, Marilla G Lucero, Rodrigo A Fasce, Olga Lopez, Barbara A Rath, Fernando P Polack, Jesse Papenburg, Srđan Roglić, Hisato Ito, Edward A Goka, Diederick E Grobbee, Harish Nair, Louis J Bont
BACKGROUND: Respiratory syncytial virus (RSV) infection is an important cause of pneumonia mortality in young children. However, clinical data for fatal RSV infection are scarce. We aimed to identify clinical and socioeconomic characteristics of children aged younger than 5 years with RSV-related mortality using individual patient data. METHODS: In this retrospective case series, we developed an online questionnaire to obtain individual patient data for clinical and socioeconomic characteristics of children aged younger than 5 years who died with community-acquired RSV infection between Jan 1, 1995, and Oct 31, 2015, through leading research groups for child pneumonia identified through a comprehensive literature search and existing research networks...
October 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28911186/isolation-of-proteolytic-bacteria-from-mealworm-tenebrio-molitor-exoskeletons-to-produce-chitinous-material
#12
Fernanda Kerche Paes da Silva, Dieter W Brück, Wolfram M Brück
The use of insects as a source of protein is becoming an important factor for feeding an increasing population. After protein extraction for food use, the insect exoskeleton may offer the possibility for the production of added value products. Here, the aim was to isolate bacteria from the surface of farmed mealworms (Tenebrio molitor Linnaeus, 1758) for the production of chitinous material from insect exoskeletons using microbial fermentation. Isolates were screened for proteases and acid production that may aid deproteination and demineralisation of insects through fermentation to produce chitin...
September 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28895391/potential-opportunities-and-challenges-for-research-collaboration-with-latin-america-in-agriculture-and-food-science
#13
Patricia Esquivel, Alvaro Orjuela, Marcelo Paes Barros, Coralia Osorio
No abstract text is available yet for this article.
September 12, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28893114/panic-disorder-and-cardiovascular-diseases-an-overview
#14
Sergio Machado, Federica Sancassiani, Flavia Paes, Nuno Rocha, Eric Murillo-Rodriguez, Antonio Egidio Nardi
The association between panic disorder (PD) and cardiovascular diseases (CVD) has been extensively studied in recent years and, although some studies have shown anxiety disorders co-existing or increasing the risk of heart disease, no causal hypothesis has been well established. Thus, a critical review was performed of the studies that evaluated the association between PD and cardiovascular diseases; synthesizing the evidence on the mechanisms mediators that theoretically would be the responsible for the causal pathway between PD and CVD, specifically...
September 12, 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/28893095/efficacy-of-antidepressants-bias-in-randomized-clinical-trials-and-related-issues
#15
Sheng-Min Wang, Changsu Han, Soo-Jung Lee, Tae-Youn Jun, Ashwin A Patkar, Prakash S Masand, Chi-Un Pae
Countless antidepressant randomized trials were conducted and showed statistically significant benefits of selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) over placebo. Meanwhile, critics are increasing regarding the efficacy of antidepressants in the treatment of MDD because at least a proportion of clinical trials could be hampered by various biases. In contrast, number of failed trials is increasing in the recent years which have made developing psychiatric medications progressively more time-consuming and expensive...
September 14, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28890727/popliteal-artery-entrapment-or-chronic-exertional-compartment-syndrome
#16
Christopher Gaunder, Brandon McKinney, Jessica Rivera
Diagnosis of lower limb pain in an athlete can be a challenging task due to the variety of potential etiologies and ambiguity of presenting symptoms. Five of the most commonly encountered causes of limb pain in athletes are chronic exertional compartment syndrome (CECS), medial tibial stress syndrome (MTSS), tibial stress fractures, soleal sling syndrome, and popliteal artery entrapment syndrome (PAES). Of these, the least frequent but potentially most serious of the pathologies is PAES. With an incidence of less than 1% seen in living subject studies, the condition is rare...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28888041/supplementation-with-the-methyl-donor-betaine-prevents-congenital-defects-induced-by-prenatal-alcohol-exposure
#17
Ganga Karunamuni, Megan M Sheehan, Yong Qiu Doughman, Shi Gu, Jiayang Sun, Youjun Li, James P Strainic, Andrew M Rollins, Michael W Jenkins, Michiko Watanabe
BACKGROUND: Despite decades of public education about dire consequences of prenatal alcohol exposure, drinking alcohol during pregnancy remains prevalent. As high as 40% of live-born infants exposed to alcohol during gestation and diagnosed with Fetal Alcohol Syndrome have congenital heart defects that can be life-threatening. In animal models, the methyl donor betaine, found in foods such as wheat bran, quinoa, beets and spinach, ameliorated neurobehavioral deficits associated with prenatal alcohol exposure (PAE) but effects on heart development are unknown...
September 9, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28887832/extracellular-vesicles-from-oral-squamous-carcinoma-cells-display-pro-and-antiangiogenic-properties
#18
Ana Luiza Dias Leite de Andrade, Carine Ervolino de Oliveira, Maurício Rocha Dourado, Carolina Carneiro Soares Macedo, Flávia Vischi Winck, Adriana Franco Paes Leme, Tuula Salo, Ricardo D Coletta, Roseana de AlmeidaFreitas, Hébel Cavalcanti Galvão
BACKGROUND: A new intercellular communication mode established by neoplastic cells and tumor microenvironment components is based on extracellular vesicles (EVs). However, the biological effects of the EVs released by tumor cells on angiogenesis are not completed understood. Here we aimed to understand the biological effects of EVs isolated from two cell lines of oral squamous cell carcinoma (OSCC) (SCC15 and HSC3) on endothelial cell tubulogenesis. METHODS: OSCC-derived EVs were isolated with a polymer-based precipitation method, quantified using nanoparticle tracking analysis and verified for EV markers by dot-blot...
September 8, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28884976/prenatal-alcohol-exposure-enhances-the-susceptibility-to-nmda-induced-generalized-tonic-clonic-seizures-in-developing-rats
#19
Sue J Cho, David M Lovinger, Prosper N'Gouemo
AIMS: Prenatal alcohol exposure (PAE) is associated with a higher likelihood of developing generalized tonic-clonic seizures (GTCS) in infants and children. However, experimental studies of PAE-related seizures have yielded conflicting results. Here, we investigated the effect of acute PAE on N-methyl-D-aspartate (NMDA)-induced seizures in developing rats. METHODS: Pregnant Sprague Dawley rats were given an oral dose of either ethanol (5 g/kg body weight) or vehicle on embryonic day 18...
October 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28879500/in-silico-probing-and-biological-evaluation-of-setdb1-eset-targeted-novel-compounds-that-reduce-tri-methylated-histone-h3k9-h3k9me3-level
#20
Insun Park, Yu Jin Hwang, TaeHun Kim, Ambily Nath Indu Viswanath, Ashwini M Londhe, Seo Yun Jung, Kyoung Mi Sim, Sun-Joon Min, Ji Eun Lee, Jihye Seong, Yun Kyung Kim, Kyoung Tai No, Hoon Ryu, Ae Nim Pae
ERG-associated protein with the SET domain (ESET/SET domain bifurcated 1/SETDB1/KMT1E) is a histone lysine methyltransferase (HKMT) and it preferentially tri-methylates lysine 9 of histone H3 (H3K9me3). SETDB1/ESET leads to heterochromatin condensation and epigenetic gene silencing. These functional changes are reported to correlate with Huntington's disease (HD) progression and mood-related disorders which make SETDB1/ESET a viable drug target. In this context, the present investigation was performed to identify novel peptide-competitive small molecule inhibitors of the SETDB1/ESET by a combined in silico-in vitro approach...
September 6, 2017: Journal of Computer-aided Molecular Design
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