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https://www.readbyqxmd.com/read/28726567/possible-mechanisms-involved-in-the-anti-nociceptive-effects-of-hydro-ethanolic-leaf-extract-of-ziziphus-abyssinica
#1
Eric Boakye-Gyasi, Isaac Tabiri Henneh, Wonder Kofi Mensah Abotsi, Elvis Ofori Ameyaw, Eric Woode
CONTEXT: Various parts of Ziziphus abyssinica Hochst ex. A. Rich (Rhamnaceae) have been used in Ghanaian and African traditional medicine as an analgesic. However, there are little scientific data to support the anti-nociceptive effects of the hydro-ethanolic leaf extract of Ziziphus abyssinica (EthE) as well as the possible mechanisms involved in its anti-nociceptive effects. PURPOSE: To predict possible nociceptive pathways involved in the anti-nociceptive effects of EthE...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28722812/chemical-profile-of-pineapple-cv-vit%C3%A3-ria-in-different-maturation-stages-using-electrospray-ionization-mass-spectrometry
#2
Elizângela M Ogawa, Helber B Costa, José A Ventura, Luiz C S Caetano, Fernanda E Pinto, Bruno G Oliveira, Maria Eduarda S Barroso, Rodrigo Scherer, Denise C Endringer, Wanderson Romão
BACKGROUND: Pineapple is the fruit of Ananas comosus var. comosus plant, being cultivated in tropical areas and has high energy content and nutritional value. Herein, 30 samples of pineapple cv. Vitória were analyzed as a function of the maturation stage (0-5) and their physicochemical parameters monitored. Besides, negative-ion mode electrospray ionization mass spectrometry (ESI(-)FT-ICR MS) was used to identify and semi-quantify primary and secondary metabolites present in the crude and phenolic extracts of pineapple, respectively...
July 19, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28721671/front-end-electron-transfer-dissociation-coupled-to-a-21-tesla-ft-icr-mass-spectrometer-for-intact-protein-sequence-analysis
#3
Chad R Weisbrod, Nathan K Kaiser, John E P Syka, Lee Early, Christopher Mullen, Jean-Jacques Dunyach, A Michelle English, Lissa C Anderson, Greg T Blakney, Jeffrey Shabanowitz, Christopher L Hendrickson, Alan G Marshall, Donald F Hunt
High resolution mass spectrometry is a key technology for in-depth protein characterization. High-field Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) enables high-level interrogation of intact proteins in the most detail to date. However, an appropriate complement of fragmentation technologies must be paired with FTMS to provide comprehensive sequence coverage, as well as characterization of sequence variants, and post-translational modifications. Here we describe the integration of front-end electron transfer dissociation (FETD) with a custom-built 21 tesla FT-ICR mass spectrometer, which yields unprecedented sequence coverage for proteins ranging from 2...
July 18, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28719950/isolation-and-characterization-of-vaccine-candidate-genes-including-csp-and-msp1-in-plasmodium-yoelii
#4
Seon-Hee Kim, Young-An Bae, Ju-Young Seoh, Hyun-Jong Yang
Malaria is an infectious disease affecting humans, which is transmitted by the bite of Anopheles mosquitoes harboring sporozoites of parasitic protozoans belonging to the genus Plasmodium. Despite past achievements to control the protozoan disease, malaria still remains a significant health threat up to now. In this study, we cloned and characterized the full-unit Plasmodium yoelii genes encoding merozoite surface protein 1 (MSP1), circumsporozoite protein (CSP), and Duffy-binding protein (DBP), each of which can be applied for investigations to obtain potent protective vaccines in the rodent malaria model, due to their specific expression patterns during the parasite life cycle...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28719641/inversion-of-the-imprinting-control-region-of-the-peg3-domain
#5
Joomyeong Kim, Hongzhi He, Hana Kim
The imprinting of the mouse Peg3 domain is controlled through a 4-kb genomic region encompassing the bidirectional promoter and 1st exons of Peg3 and Usp29. In the current study, this ICR was inverted to test its orientation dependency for the transcriptional and imprinting control of the Peg3 domain. The inversion resulted in the exchange of promoters and 1st exons between Peg3 and Usp29. Paternal transmission of this inversion caused 10-fold down-regulation of Peg3 and 2-fold up-regulation of Usp29 in neonatal heads, consistent with its original promoter strength in each direction...
2017: PloS One
https://www.readbyqxmd.com/read/28719245/production-of-a-mouse-monoclonal-antibody-against-mortalin-by-whole-cell-immunization
#6
Marzieh Rezaei, Abbas Ghaderi
Pancreatic carcinoma is the fourth leading cause of cancer death and is characterized by early invasion and metastasis. Advances in molecular biology directed new strategies in targeted therapy using monoclonal antibodies. To identify new biomarkers, we generated a panel of monoclonal antibodies against the newly established cell line, Faraz-ICR, from a patient with acinar cell carcinoma. After immunization of BALB/c female mice with Faraz-ICR cell line and fusion of splenocytes with SP2/0 myeloma cell line, high reactive hybridoma producing antibodies to Faraz-ICR were detected using enzyme-linked immunosorbent assay, immunofluorescence staining and flow cytometry...
July 18, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28719191/relationships-between-dissolved-organic-matter-composition-and-photochemistry-in-lakes-of-diverse-trophic-status
#7
Andrew Chapin Maizel, Jing Li, Christina K Remucal
The North Temperate Lakes-Long Term Ecological Research site includes seven lakes in northern Wisconsin that vary in hydrology, trophic status, and landscape position. We examine the molecular composition of dissolved organic matter (DOM) within these lakes using Fourier transform-ion cyclotron resonance mass spectrometry (FT-ICR MS) and quantify DOM photochemical activity using probe compounds. Correlations between the relative intensity of individual molecular formulas and reactive species production demonstrate the influence of DOM composition on photochemistry...
July 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28715885/the-effects-of-exercise-and-cold-exposure-on-mitochondrial-biogenesis-in-skeletal-muscle-and-white-adipose-tissue
#8
Nana Chung, Jonghoon Park, Kiwon Lim
PURPOSE: The purpose of this study was to determine whether exercise or/and cold exposure regulate mitochondria biogenesis-related gene expression in soleus and inguinal adipose tissue of mice. METHODS: Forty ICR 5-week old male mice were divided into four groups: thermoneutrality-untrained (23 ± 1 °C in room temperature, n=10), cold-water immersion (24 ± 1 °C, n=10), exercise in neutral temperature (34 ± 1 °C, n=10), and exercise in cold temperature (24 ± 1 °C, n=10)...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28713897/expression-of-irak%C3%A2-3-is-associated-with-colitis%C3%A2-associated-tumorigenesis-in-mice
#9
Dingting Xu, Hanyun Zhang, Xiaoying Wang, Yan Chen
Interleukin‑1 receptor‑associated kinase‑3 (IRAK‑3) is a negative regulator in Toll‑like receptor (TLR) pathways. The present study investigated the importance of IRAK‑3 in a mouse model of chemically‑induced colitis‑associated tumorigenesis. The colitis‑associated tumorigenesis was induced in ICR mice by the administration of 1,2‑dimethyl hydrazine (DMH) and dextran sodium sulfate (DSS), termed the DMH + DSS group. In the DSS group, mice were administered with DSS; in the DMH group, mice were injected with DMH; in the control group, mice were injected with physiological saline...
July 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28711654/involvement-of-endoplasmic-reticulum-stress-and-neurite-outgrowth-in-the-model-mice-of-autism-spectrum-disorder
#10
Koichi Kawada, Seisuke Mimori, Yasunobu Okuma, Yasuyuki Nomura
Neurodevelopmental disorders are congenital impairments, impeding the growth and development of the central nervous system. These disorders include autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder in Diagnostic and Statistical Manual of Mental Disorders-5. ASD is caused by a gene defect and chromosomal duplication. Despite numerous reports on ASD, the pathogenic mechanisms are not clear. The optimal methods to prevent ASD and to treat it are also not clear. Other studies have reported that endoplasmic reticulum (ER) stress contributes to the pathogenesis of neurodegenerative diseases...
July 12, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28708587/sodium-fluoride-induces-renal-inflammatory-responses-by-activating-nf-%C3%AE%C2%BAb-signaling-pathway-and-reducing-anti-inflammatory-cytokine-expression-in-mice
#11
Qin Luo, Hengmin Cui, Huidan Deng, Ping Kuang, Huan Liu, Yujiao Lu, Jing Fang, Zhicai Zuo, Junliang Deng, Yinglun Li, Xun Wang, Ling Zhao
Fluoride is widely distributed in the environment and often results in adverse health effects on animals and human beings. It has been proved that fluoride can induce inflammatory responses in vitro. However, very limited reports are focused on fluoride-induced inflammatory responses in vivo. In this study, mice were used to investigate sodium fluoride (NaF) induced renal inflammatory responses and the potential mechanism by using the methods of pathology, biochemistry, enzyme-linked immunosorbent assay (ELISA), quantitative real-time polymerase chain reaction (qRT-PCR) and western blot...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28705489/the-effects-of-estradiol-valerate-and-remifemin-on-liver-lipid-metabolism
#12
Biao Jin, Wenjuan Wang, Wenpei Bai, Jing Zhang, Ke Wang, Lihua Qin
To investigate the lipid metabolism dysregulation in the liver of ovariectomized (OVX) rats and effects of estradiol valerate (E) and remifemin (ICR) thereon, forty female Sprague-Dawley rats were randomly divided into sham-operated (SHAM), OVX, OVX+E, and OVX+ICR group. After 4 weeks' E or ICR treatment, serum estrogen, cholesterol, and triglyceride levels; lipid droplets in hepatocytes; hepatocyte morphology; and the expression of estrogen receptor α (ERα), liver X receptor (LXR), and sterol regulatory element binding proteins (SREBPs) in the liver of the rats were assessed...
July 11, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28703318/ft-artifacts-and-power-function-resolution-filter-in-fourier-transform-mass-spectrometry
#13
Basem Kanawati, Theresa Bader, Karl-Peter Wanczek, Yan Li, Philippe Schmitt-Kopplin
RATIONALE: Peak picking algorithms in mass spectrometry face the challenge of picking the correct signals from a mass spectrum. In some cases signal wiggles (side lobes) are also chosen in the produced mass list as if they were real signals. Constraints which are defined in such algorithms do not always guarantee wiggle free accurate mass list generation out of raw mass spectra. This problem intensifies with acquisitions, which are accompanied with longer transients. Thus, the problem represents a contemporary issue, which propagates with modern high memory digitizers and exists in both MS and MS/MS spectra...
July 13, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28699753/identification-of-anthocyanins-from-four-kinds-of-berries-and-their-inhibition-activity-to-%C3%AE-glycosidase-and-protein-tyrosine-phosphatase-1b-by-hplc-ft-icr-ms-ms
#14
Ting Xiao, Zhenghong Guo, Baoshan Sun, Yuqing Zhao
The polyphenolic profiles of four berries (blueberry, bilberry, mulberry, and cranberry) in China were investigated using Fourier transform-ion cyclotron resonance mass spectrometry (FT-ICR MS). Thirty-nine polyphenols including 26 anthocyanins, 9 flavonoids, and 4 phenolic acids were identified accurately. Cyanidin aglycones are common in four berries, and malvidin aglycones are the main compounds found in bilberry and cranberry. The anthocyanin level in blueberry are the highest with 739.6 ± 17.14 mg/g DW and presented the strongest antioxidant capacity in DPPH, ABTS, FRAP, and ORAC assay...
July 12, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28694481/mechanisms-underlying-neuro-inflammation-and-neurodevelopmental-toxicity-in-the-mouse-neocortex-following-prenatal-exposure-to-ethanol
#15
Munekazu Komada, Nao Hara, Satoko Kawachi, Kota Kawachi, Nao Kagawa, Tetsuji Nagao, Yayoi Ikeda
Fetal alcohol spectrum disorders (FASD) constitute a wide range of disorders that arise from prenatal exposure to ethanol (EtOH). However, detailed reports regarding the adverse effects of prenatal EtOH exposure on neocortical morphology and its underlying pathogenic mechanisms are limited. In the present study, we aimed to characterize the anatomical abnormalities of neocortical development and their correlation with microglial properties and neuro-inflammation in a mouse model of FASD. We evaluated the development and maturation of the neocortex in ICR mice prenatally exposed to 25% (w/v) EtOH using histological and molecular analyses...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28690645/neuroprotective-effects-of-erythropoietin-against-hypoxic-injury-via-modulation-of-the-mitogen-activated-protein-kinase-pathway-and-apoptosis
#16
Ji Eun Jeong, Jae Hyun Park, Chun Soo Kim, Sang Lak Lee, Hai Lee Chung, Woo Taek Kim, Eun Joo Lee
PURPOSE: Hypoxic-ischemic encephalopathy is a significant cause of neonatal morbidity and mortality. Erythropoietin (EPO) is emerging as a therapeutic candidate for neuroprotection. Therefore, this study was designed to determine the neuroprotective role of recombinant human EPO (rHuEPO) and the possible mechanisms by which mitogen-activated protein kinase (MAPK) signaling pathway including extracellular signal-regulated kinase (ERK1/2), JNK, and p38 MAPK is modulated in cultured cortical neuronal cells and astrocytes...
June 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28687506/effects-of-alkaloid-rich-extract-from-mitragyna-speciosa-korth-havil-on-naloxone-precipitated-morphine-withdrawal-symptoms-and-local-field-potential-in-the-nucleus-accumbens-of-mice
#17
Dania Cheaha, Chayaporn Reakkamnuan, Jakkrit Nukitram, Somsmorn Chittrakarn, Pimpimol Phukpattaranont, Niwat Keawpradub, Ekkasit Kumarnsit
ETHNOPHARMACOLOGICAL RELEVANCE: Mitragyna speciosa (Korth.) Havil. (M. speciosa) is among the most well-known plants used in ethnic practice of Southeast Asia. It has gained increasing attention as a plant with potential to substitute morphine in addiction treatment program. However, its action on the central nervous system is controversial. AIM OF THE STUDY: This study investigated the effects of M. speciosa alkaloid extract on naloxone-precipitated morphine withdrawal and neural signaling in the nucleus accumbens (NAc, brain reward center) of mice...
July 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28681360/intact-protein-analysis-at-21-tesla-and-x-ray-crystallography-define-structural-differences-in-single-amino-acid-variants-of-human-mitochondrial-branched-chain-amino-acid-aminotransferase-2-bcat2
#18
Lissa C Anderson, Maria Håkansson, Björn Walse, Carol L Nilsson
Structural technologies are an essential component in the design of precision therapeutics. Precision medicine entails the development of therapeutics directed toward a designated target protein, with the goal to deliver the right drug to the right patient at the right time. In the field of oncology, protein structural variants are often associated with oncogenic potential. In a previous proteogenomic screen of patient-derived glioblastoma (GBM) tumor materials, we identified a sequence variant of human mitochondrial branched-chain amino acid aminotransferase 2 as a putative factor of resistance of GBM to standard-of-care-treatments...
July 5, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28680454/piperine-enhances-carbohydrate-fat-metabolism-in-skeletal-muscle-during-acute-exercise-in-mice
#19
Jisu Kim, Kang-Pa Lee, Dae-Won Lee, Kiwon Lim
BACKGROUND: Exercise promotes energy metabolism (e.g., metabolism of glucose and lipids) in skeletal muscles; however, reactive oxygen species are also generated during exercise. Various spices have been reported to have beneficial effects in sports medicine. Here, we investigated the effects of piperine, an active compound in black pepper, to determine its effects on metabolism during acute endurance exercise. METHODS: ICR mice (n = 18) were divided into three groups: nonexercise (CON), exercise (EX), and exercise with piperine (5 mg/kg) treatment (EP)...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28679372/fermented-herbal-formula-kiom-ma-128-protects-against-acute-colitis-induced-by-dextran-sodium-sulfate-in-mice
#20
Dong-Gun Kim, Mi-Ra Lee, Jae-Myung Yoo, Kwang-Il Park, Jin-Yeul Ma
BACKGROUND: Colitis is a well-known subtype of inflammatory bowel disease and is caused by diverse factors. Previous research has shown that KIOM-MA elicits anti-inflammatory and anti-allergic effects on various diseases. KIOM-MA-128, our novel herbal formula, was generated from KIOM-MA using probiotics to improve the therapeutic efficacy. We investigated whether KIOM-MA-128 has protective activity in a mouse model of acute colitis induced by dextran sodium sulfate (DSS). METHODS: Colitis was induced by DSS administered to ICR mice in drinking water...
July 5, 2017: BMC Complementary and Alternative Medicine
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