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https://www.readbyqxmd.com/read/29144218/characterization-of-a-glycine-rich-protein-from-rhipicephalus-microplus-tissue-expression-gene-silencing-and-immune-recognition
#1
B F Leal, M F Alzugaray, A Seixas, I Da Silva Vaz, C A S Ferreira
Salivary molecules, as glycine-rich proteins (GRPs), are essential to tick attachment and feeding on the host and are suggested to be involved in the host's immune system evasion, therefore representing natural candidates in the search for protective vaccine antigens. This work shows the molecular characterization of a GRP from Rhipicephalus microplus (RmGRP). The cDNA and putative amino acid sequences were analysed, as well as the transcription level in tick tissues/developmental stages, showing the highest levels of gene expression in 1-day-old larvae and salivary glands of fully engorged females...
November 16, 2017: Parasitology
https://www.readbyqxmd.com/read/29142472/prostaglandin-e1-protects-hepatocytes-against-endoplasmic-reticulum-stress-induced-apoptosis-via-protein-kinase-a-dependent-induction-of-glucose-regulated-protein-78-expression
#2
Fang-Wan Yang, Yu Fu, Ying Li, Yi-Huai He, Mao-Yuan Mu, Qi-Chuan Liu, Jun Long, Shi-De Lin
AIM: To investigate the protective effect of prostaglandin E1 (PGE1) against endoplasmic reticulum (ER) stress-induced hepatocyte apoptosis, and to explore its underlying mechanisms. METHODS: Thapsigargin (TG) was used to induce ER stress in the human hepatic cell line L02 and hepatocarcinoma-derived cell line HepG2. To evaluate the effects of PGE1 on TG-induced apoptosis, PGE1 was used an hour prior to TG treatment. Activation of unfolded protein response signaling pathways were detected by western blotting and quantitative real-time RT-PCR...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29133874/distinct-roles-of-nmb-and-grp-in-itch-transmission
#3
Li Wan, Hua Jin, Xian-Yu Liu, Joseph Jeffry, Devin M Barry, Kai-Feng Shen, Jia-Hang Peng, Xue-Ting Liu, Jin-Hua Jin, Yu Sun, Ray Kim, Qing-Tao Meng, Ping Mo, Jun Yin, Ailin Tao, Rita Bardoni, Zhou-Feng Chen
A key question in our understanding of itch coding mechanisms is whether itch is relayed by dedicated molecular and neuronal pathways. Previous studies suggested that gastrin-releasing peptide (GRP) is an itch-specific neurotransmitter. Neuromedin B (NMB) is a mammalian member of the bombesin family of peptides closely related to GRP, but its role in itch is unclear. Here, we show that itch deficits in mice lacking NMB or GRP are non-redundant and Nmb/Grp double KO (DKO) mice displayed additive deficits. Furthermore, both Nmb/Grp and Nmbr/Grpr DKO mice responded normally to a wide array of noxious stimuli...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121670/quantitative-membrane-proteomics-reveals-a-role-for-tetraspanin-enriched-microdomains-during-entry-of-human-cytomegalovirus
#4
Kasinath Viswanathan, Marieke C Verweij, Nessy John, Daniel Malouli, Klaus Früh
Human cytomegalovirus (HCMV) depends on and modulates multiple host cell membrane proteins during each stage of the viral life cycle. To gain a global view of the impact of HCMV-infection on membrane proteins, we analyzed HCMV-induced changes in the abundance of membrane proteins in fibroblasts using stable isotope labeling with amino acids (SILAC), membrane fractionation and protein identification by two-dimensional liquid chromatography and tandem mass spectrometry. This systematic approach revealed that CD81, CD44, CD98, caveolin-1 and catenin delta-1 were down-regulated during infection whereas GRP-78 was up-regulated...
2017: PloS One
https://www.readbyqxmd.com/read/29120926/recent-insights-into-biological-functions-of-mammalian-bombesin-like-peptides-and-their-receptors
#5
Xiangping Qu, Hui Wang, Rujiao Liu
PURPOSE OF REVIEW: The current review highlights recent advances in physiological and pharmacological researches in biology of mammalian bombesin-like peptides (BLPs). RECENT FINDINGS: BLPs and their receptors were found to have regulatory roles in many biological processes in central nervous system. Two BLPs, neuromedin B and gastrin-releasing peptide (GRP), and their receptors are required for regulation of basal and induced sighing activity in rodents. This is the first study demonstrating central pathways involved in regulation of sighing activity...
November 7, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29112931/comparison-of-fusion-protein-and-dc-vaccine-in-inhibition-of-mouse-b16f10-melanoma-tumor
#6
Yan Zhang, Xiaoxin Liu, Rui Wang, Shujun Liu, Yiqin Wang, Liangliang Jing, Meko'o Didier Jean Louis, Rongyue Cao
Dendritic cell (DC) vaccine and fusion protein vaccine have been put into clinical use in cancer immunotherapy. This study compared DC vaccine and fusion protein vaccine directly in their capability of inducing specific immune response. We used mouse Granulocyte Macrophage-Colony Stimulating Factor (mGM-CSF) fused with gastrin-releasing peptide (GRP) and Gonadotrophin Releasing Hormone (GnRH) respectively to obtain mGM-CSF/GRP6 (mG6) and mGM-CSF/mGGn (mGGn) fusion proteins. We prepared fusion protein vaccine and DC vaccine including mG6 protein vaccine (6P), mGGn protein vaccine (nP), mG6 DC vaccine (6D) and mGGn DC vaccine (nD), then the two proteins were mixed to prepare combination proteins vaccine (6nP) and DC vaccine (6nD)...
November 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29109631/comparative-evaluation-of-midazolam-dexmedetomidine-and-propofol-as-intensive-care-unit-sedatives-in-postoperative-electively-ventilated-eclamptic-patients
#7
Malik Rameez Rashid, Rukhsana Najeeb, Saima Mushtaq, Rizwana Habib
Background and Aims: Eclampsia is a common hypertensive disorder of pregnancy and treatment often includes termination of pregnancy with elective postoperative mechanical ventilation. The present study was aimed to compare midazolam, propofol, and dexmedetomidine for sedation and antihypertensive requirements of such patients admitted to Intensive Care Unit (ICU) after termination of pregnancy. Material and Methods: A total of ninety eclamptic patients administered general anesthesia for the termination of pregnancy through cesarean section and who also required postoperative ventilation were taken up for the study and were randomly allocated into three groups...
July 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29108219/getting-a-grp-on-histone-deacetylase-inhibitor-selectivity
#8
EDITORIAL
Husheng Ding, Cristina Correia, Scott Kaufmann
No abstract text is available yet for this article.
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29098514/parents-reading-history-as-an-indicator-of-risk-for-reading-difficulties
#9
A Giménez, A Ortiz, M López-Zamora, A Sánchez, J L Luque
Children from families whose members have reading impairments are found to be poorer performers, take less advantage of instruction, and require more time to reach the reading level of children whose relatives are good readers. As a family's reading history may not be available, a self-report of reading abilities is used to identify children's background. In this paper, we explored the contribution of phonological, literacy, and linguistic abilities and reported parental reading abilities to predict reading achievement at the end of the school year in a Spanish sample...
November 2, 2017: Annals of Dyslexia
https://www.readbyqxmd.com/read/29083190/marked-differences-in-the-submandibular-salivary-proteome-between-sardinian-alcohol-preferring-and-sardinian-alcohol-non-preferring-rats-revealed-by-an-integrated-top-down-bottom-up-proteomic-platform
#10
Tiziana Cabras, Alfredo D'Alessandro, Simone Serrao, Raffaella Isola, Federica Iavarone, Federica Vincenzoni, Giancarlo Colombo, Jörgen Ekström, Irene Messana, Massimo Castagnola
Sardinian alcohol-preferring (sP) and Sardinian alcohol-non preferring (sNP) rats have been selectively bred for opposite alcohol preference and consumption. Aiming to verify possible differences at the proteomics level between sP and sNP rats, we investigated the salivary proteome by a a liquid chromatography-mass spectrometry top-down-bottom-up integrated approach. For this purpose, submandibular saliva was collected from alcohol-naive sP and sNP rats under isoprenaline stimulation. A total of 200 peptides and proteins were detected and quantified in the two rat lines, 149 of which were characterized in their naturally occurring structure...
November 16, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/29071954/-protective-effect-of-acupuncture-serum-derived-from-acute-convulsion-rats-on-cultured-hip-pocampal-neurons-with-seizure-like-discharges-by-regulating-expression-of-endoplasmic-reticulum-stress-inducible-molecular-chaperones
#11
Hui Zhang, Fan Yang, Xu Wu, De-Kai Shen, Hao Chen, Sheng-Bing Wu, Wen-Ping Ang, Xiao-Ge Song, Ming-Yue Xie
OBJECTIVE: To observe the effect of acupuncture serum on the number of apoptosis of the cultured hippocampal neurons with seizure-like discharges and the expression levels of endoplasmic reticulum stress-inducible molecular chaperones glucose-regulated protein 78 (GRP 78), C/EBP homologous protein (CHOP) and cysteine protease protein-12(Caspase-12), so as to reveal its protective mechanism on seizure-induced injury of hippocampal neurons. METHODS: A regular primary culture of neurons derived from the hippocampus of the newly-born SD rats was conducted for 10 days, then these cultured neurons that displayed seizure-like discharges in Mg(2+)-free medium were divided into normal extracellular fluid (medium) group (normal), Mg(2+)-free medium group, acupuncture serum group and non-acupuncture serum group (n=30)...
April 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29065966/gastrin-releasing-peptide-promotes-the-migration-of-vascular-smooth-muscle-cells-through-upregulation-of-matrix-metalloproteinase-2-and-9
#12
Hyun-Joo Park, Mi-Kyoung Kim, Yeon Kim, Sun Sik Bae, Hyung Joon Kim, Soo-Kyung Bae, Moon-Kyoung Bae
Gastrin-releasing peptide (GRP) has been reported to be implicated in the pathogenesis of inflammatory disorders. The migration and proliferation of vascular smooth muscle cells (VSMCs) are key components of vascular inflammation that leads to the development of atherosclerosis. The present study aimed to investigate the molecular effect of GRP on VSMC proliferation and migration. We report that GRP significantly enhanced the proliferation and migration of rat VSMCs. GRP increased mRNA and protein expression of matrix metalloproteinase-2 and -9 (MMP-2/9) in VSMCs...
October 25, 2017: BMB Reports
https://www.readbyqxmd.com/read/29065403/curcumin-loaded-nanoparticles-protect-against-rhabdomyolysis-induced-acute-kidney-injury
#13
Xiaoling Chen, Jian Sun, Hailun Li, Hongwu Wang, Yongtao Lin, Yu Hu, Donghui Zheng
BACKGROUND/AIMS: Rhabdomyolysis (RM) is a potentially life-threatening condition that results from the breakdown of muscle and consequent release of toxic compounds into circulation. The most common and severe complication of RM is acute kidney injury (AKI). This study aimed to evaluate the efficacy and mechanisms of action of curcumin-loaded nanoparticles (Cur-NP) for treatment of RM-induced AKI. METHODS: Curcumin-NP was synthesized using the nanocarrier distearoylphosphatidylethanolamine-polyethylene glycol (DSPE-PEG) to achieve a prolonged and constant drug release profile compared with the curcumin-free group...
October 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29057621/regional-economic-impact-assessment-evaluating-remedial-alternatives-for-the-portland-harbor-superfund-site
#14
David Harrison, Conor Coughlin, Dylan Hogan, Deborah A Edwards, Benjamin C Smith
This paper describes a methodology for evaluating impacts of Superfund remedial alternatives on the regional economy in the context of a broader sustainability evaluation. Although economic impact methodology is well established, some applications to Superfund remedial evaluation have created confusion because of seemingly contradictory results. This confusion arises from failure to be explicit about two opposing impacts of remediation expenditures: (1) positive regional impacts of spending additional money in the region; and (2) negative regional impacts of the need to pay for the expenditures (and thus forego other expenditures in the region)...
October 23, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/29052939/qtl-mapping-and-analysis-of-heritable-variation-in-affiliative-social-behavior-and-related-traits
#15
Allison T Knoll, Kevin Jiang, Pat Levitt
Humans exhibit broad heterogeneity in affiliative social behavior. Twin and family studies demonstrate that individual differences in core dimensions of social behavior are heritable, yet there are knowledge gaps in understanding the underlying genetic and neurobiological mechanisms. Animal genetic reference panels (GRPs) provide a tractable strategy for examining the behavioral and genetic architecture of complex traits. Here, using males from 50 mouse strains from the BXD GRP, four domains of affiliative social behavior-social approach, social recognition, direct social interaction (partner sniffing), and vocal communication-were examined in two widely used behavioral tasks-the 3-chamber and direct social interaction tasks...
October 20, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29048631/autophagy-induction-enhances-tetrandrine-induced-apoptosis-via-the-ampk-mtor-pathway-in-human-bladder-cancer-cells
#16
Bo Kou, Wei Liu, Xu Xu, Yang Yang, Qiuyue Yi, Fengwei Guo, Jianpeng Li, Jinsong Zhou, Qingshan Kou
Tetrandrine, a bisbenzylisoquinoline alkaloid isolated from the roots of Stephania tetrandra is a traditional Chinese medicine and exerts anticancer capacity in various types of cancers. Previous studies have shown that tetrandrine induces apoptosis in bladder cancer cells via activation of the caspase cascade. However, the underlying mechanism has not yet been reported. Autophagy is a cellular process involved in the degradation of broken proteins and aging organelles to maintain homeostasis. Recent studies indicate that autophagy is implicated in cancer therapy...
September 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29027923/plasmonic-nanomaterial-based-optical-biosensing-platforms-for-virus-detection
#17
REVIEW
Jaewook Lee, Kenshin Takemura, Enoch Y Park
Plasmonic nanomaterials (P-NM) are receiving attention due to their excellent properties, which include surface-enhanced Raman scattering (SERS), localized surface plasmon resonance (LSPR) effects, plasmonic resonance energy transfer (PRET), and magneto optical (MO) effects. To obtain such plasmonic properties, many nanomaterials have been developed, including metal nanoparticles (MNP), bimetallic nanoparticles (bMNP), MNP-decorated carbon nanotubes, (MNP-CNT), and MNP-modified graphene (MNP-GRP). These P-NMs may eventually be applied to optical biosensing systems due to their unique properties...
October 13, 2017: Sensors
https://www.readbyqxmd.com/read/28979118/gastrin-releasing-peptide-receptor-targeted-gadolinium-oxide-based-multifunctional-nanoparticles-for-dual-magnetic-resonance-fluorescent-molecular-imaging-of-prostate-cancer
#18
Danting Cui, Xiaodan Lu, Chenggong Yan, Xiang Liu, Meirong Hou, Qi Xia, Yikai Xu, Ruiyuan Liu
Bombesin (BBN), an analog of gastrin-releasing peptide (GRP), specifically binds to GRP receptors, which are overexpressed in human prostate cancer (PC). Here, we synthesized a BBN-modified gadolinium oxide (Gd2O3) nanoprobe containing fluorescein (Gd2O3-5(6)-carboxyfluorescein [FI]-polyethylene glycol [PEG]-BBN) for targeted magnetic resonance (MR)/optical dual-modality imaging of PC. The Gd2O3-FI-PEG-BBN nanoparticles exhibited a relatively uniform particle size with an average diameter of 52.3 nm and spherical morphology as depicted by transmission electron microscopy...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28977997/expression-of-hypothalamic-neurohormones-and-their-receptors-in-the-human-eye
#19
Sander R Dubovy, Maria P Fernandez, Jose J Echegaray, Norman L Block, Noriyuki Unoki, Roberto Perez, Irving Vidaurre, Richard K Lee, Mehrdad Nadji, Andrew V Schally
Extrapituitary roles for hypothalamic neurohormones have recently become apparent and clinically relevant, based on the use of synthetic peptide analogs for the treatment of multiple conditions including cancers, pulmonary edema and myocardial infarction. In the eye, it has been suggested that some of these hormones and their receptors may be present in the ciliary body, iris, trabecular meshwork and retina, but their physiological role has yet to be elucidated. Our study intends to comprehensively demonstrate the expression of some hypothalamic neuroendocrine hormones and their receptors within different retinal and extraretinal structures of the human eye...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28967066/clinical-implications-for-pro-grp-in-small-cell-lung-cancer-a-single-center-experience
#20
Stefano Cavalieri, Daniele Morelli, Antonia Martinetti, Giulia Galli, Federico Nichetti, Filippo de Braud, Marco Platania
BACKGROUND: Recently, pro-gastrin-releasing peptide (pro-GRP) became available as an alternative sensitive, specific and reliable tumor marker for patients with small cell lung cancer (SCLC), both in limited (LD) and diffuse disease (DD). METHODS: We retrospectively analyzed pro-GRP, neuron-specific enolase (NSE) and CEA in patients with SCLC and non-small cell lung cancer (NSCLC). Serum pro-GRP level was measured with electrochemiluminescence at our laboratory (cutoff 77...
September 25, 2017: International Journal of Biological Markers
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