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https://www.readbyqxmd.com/read/28647192/genetic-diversity-and-phylogenetic-analysis-of-eg95-sequences-of-echinococcus-granulosus-implications-for-eg95-vaccine-application
#1
Wei Pan, De-Sheng Chen, Yun-Juan Lu, Hui-Wen Xu, Wen-Ting Hao, Ya-Wen Zhang, Su-Ping Qin, Kui-Yang Zheng, Ren-Xian Tang
OBJECTIVE: To analyse the genetic variability of EG95 sequences and provide guidance for EG95 vaccine application against Echinococcus granulosus (E. granulosus). METHODS: We analysed EG95 polymorphism by collecting total 97 different E. granulosus isolates from 12 different host species that originated from 10 different countries. Multiple sequence alignments and the homology were performed by Lasergene 1 (DNASTAR Inc., Madison, WI), and the phylogenetic analysis was performed by using MEGA5...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28646414/dynamic-meso-scale-anchorage-of-gpi-anchored-receptors-in-the-plasma-membrane-prion-protein-vs-thy1
#2
Yuri L Nemoto, Roger J Morris, Hiroko Hijikata, Taka A Tsunoyama, Akihiro C E Shibata, Rinshi S Kasai, Akihiro Kusumi, Takahiro K Fujiwara
The central mechanism for the transmission of the prion protein misfolding is the structural conversion of the normal cellular prion protein to the pathogenic misfolded prion protein, by the interaction with misfolded prion protein. This process might be enhanced due to the homo-dimerization/oligomerization of normal prion protein. However, the behaviors of normal prion protein in the plasma membrane have remained largely unknown. Here, using single fluorescent-molecule imaging, we found that both prion protein and Thy1, a control glycosylphosphatidylinositol-anchored protein, exhibited very similar intermittent transient immobilizations lasting for a few seconds within an area of 24...
June 24, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28642584/molecular-switching-system-using-glycosylphosphatidylinositol-to-select-cells-highly-expressing-recombinant-proteins
#3
Emmanuel Matabaro, Zeng'an He, Yi-Shi Liu, Hui-Jie Zhang, Xiao-Dong Gao, Morihisa Fujita
Although many pharmaceutical proteins are produced in mammalian cells, there remains a challenge to select cell lines that express recombinant proteins with high productivity. Since most biopharmaceutical proteins are secreted by cells into the medium, it is difficult to select cell lines that produce large amounts of the target protein. To address this issue, a new protein expression system using the glycosylphosphatidylinositol (GPI)-anchor was developed. PGAP2 is involved in processing GPI-anchored proteins (GPI-APs) during transport...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633136/malaria-fever-therapy-for-general-paralysis-of-the-insane-a-historical-cohort-study
#4
Ingrid M Daey Ouwens, C Elisabeth Lens, Aernoud T L Fiolet, Alewijn Ott, Peter J Koehler, Piet A Kager, Willem M A Verhoeven
BACKGROUND/AIMS: This year marks the 100th anniversary of the first malaria fever treatment (MFT) given to patients with general paralysis of the insane (GPI) by the Austrian psychiatrist and later Nobel laureate, Julius Wagner-Jauregg. In 1921 Wagner-Jauregg reported an impressive therapeutic success of MFT and it became the standard treatment for GPI worldwide. In this study, MFT practice in the Dutch Vincent van Gogh psychiatric hospital in GPI patients who had been admitted in the period 1924-1954 is explored...
June 21, 2017: European Neurology
https://www.readbyqxmd.com/read/28630090/t-cell-transcriptomes-from-paroxysmal-nocturnal-hemoglobinuria-patients-reveal-novel-signaling-pathways
#5
Kohei Hosokawa, Sachiko Kajigaya, Keyvan Keyvanfar, Wangmin Qiao, Yanling Xie, Danielle M Townsley, Xingmin Feng, Neal S Young
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare acquired disorder originating from hematopoietic stem cells and is a life-threating disease characterized by intravascular hemolysis, bone marrow (BM) failure, and venous thrombosis. The etiology of PNH is a somatic mutation in the phosphatidylinositol glycan class A gene (PIG-A) on the X chromosome, which blocks synthesis of the glycolipid moiety and causes deficiency in GPI-anchored proteins. PNH is closely related to aplastic anemia, in which T cells mediate destruction of BM...
June 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28624360/association-between-arterial-access-site-and-anticoagulation-strategy-on-major-bleeding-and-mortality-a-historical-cohort-analysis-in-the-veteran-population
#6
Jayant Bagai, Bert Little, Subhash Banerjee
BACKGROUND: Studies have shown reduction in major bleeding with trans-radial intervention (TRI) compared with trans-femoral intervention (TFI), and with use of bivalirudin compared with heparin+glycoprotein IIb/IIIa inhibitors (GPI). We compared major bleeding, mortality and the interaction between arterial access site and the anticoagulant used for PCI in Veterans. METHODS: A retrospective cohort of 1192 consecutive patients who underwent PCI at a VA hospital between 2006 and 2012 was divided into TFI-heparin (n=192), TFI-bivalirudin (n=272), TRI-heparin (n=274) and TRI-bivalirudin (n=454) groups...
June 8, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28618199/lipid-interactions-modulate-the-structural-and-antigenic-properties-of-the-c-terminal-domain-of-the-malaria-antigen-merozoite-surface-protein-2
#7
Sreedam C Das, Rodrigo A V Morales, Jeffrey Seow, Krishnarjuna Bankala, Ravindu Dissanayake, Robin F Anders, Christopher A MacRaild, Raymond S Norton
Merozoite surface protein 2 (MSP2) is a highly abundant, GPI-anchored antigen on the malaria parasite Plasmodium falciparum. MSP2 induces an immune response in the context of natural infections and vaccine trials, and these responses are associated with protection from parasite infection. Recombinant MSP2 is highly disordered in solution but antigenic analyses suggest that it is more ordered on the merozoite surface. We have shown previously that the interaction of recombinant full-length MSP2 with lipid surfaces induces a conformational change in the conserved N-terminal region of MSP2, which contributes to epitope masking in this region...
June 15, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28617818/proteome-profiling-in-il-1%C3%AE-and-vegf-activated-human-umbilical-vein-endothelial-cells-delineates-the-interlink-between-inflammation-and-angiogenesis
#8
Thomas Mohr, Verena Haudek-Prinz, Astrid Slany, Johannes Grillari, Michael Micksche, Christopher Gerner
Endothelial cells represent major effectors in inflammation and angiogenesis, processes that drive a multitude of pathological states such as atherosclerosis and cancer. Both inflammation and angiogenesis are interconnected with each other in the sense that many pro-inflammatory proteins possess proangiogenic properties and vice versa. To elucidate this interplay further, we present a comparative proteome study of inflammatory and angiogenic activated endothelial cells. HUVEC were stimulated with interleukin 1-β and VEGF, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28616799/dolichol-phosphate-mannose-synthase-a-glycosyltransferase-with-unity-in-molecular-diversities
#9
REVIEW
Dipak K Banerjee, Zhenbo Zhang, Krishna Baksi, Jesús E Serrano-Negrón
N-glycans provide structural and functional stability to asparagine-linked (N-linked) glycoproteins, and add flexibility. Glycan biosynthesis is elaborative, multi-compartmental and involves many glycosyltransferases. Failure to assemble N-glycans leads to phenotypic changes developing infection, cancer, congenital disorders of glycosylation (CDGs) among others. Biosynthesis of N-glycans begins at the endoplasmic reticulum (ER) with the assembly of dolichol-linked tetra-decasaccharide (Glc3Man9GlcNAc2-PP-Dol) where dolichol phosphate mannose synthase (DPMS) plays a central role...
June 14, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28616357/improvement-of-post-hypoxic-myoclonus-with-bilateral-pallidal-deep-brain-stimulation-a-case-report-and-review-of-the-literature
#10
Ritesh A Ramdhani, Steven J Frucht, Brian H Kopell
BACKGROUND: Post-hypoxic myoclonus (PHM) is a syndrome that occurs when a patient has suffered hypoxic brain injury. The myoclonus is usually multifocal and generalized, often stemming from both cortical and subcortical origins. In severe cases, pharmacological treatments with antiepileptic medications may not satisfactorily control the myoclonus. METHODS: We present a case of a 23-year-old male with chronic medication refractory PHM following a cardiopulmonary arrest related to an asthmatic attack who improved with bilateral globus pallidus internus (GPi) deep brain stimulation (DBS)...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28593498/bpde-induced-genotoxicity-relationship-between-dna-adducts-mutagenicity-in-the-in-vitro-pig-a-assay-and-the-transcriptional-response-to-dna-damage-in-tk6-cells
#11
Ann Liza Piberger, Christopher T Krüger, Bettina M Strauch, Beatrice Schneider, Andrea Hartwig
Benzo[a]pyrene is a known human carcinogen. As underlying mechanism, the induction of stable DNA adducts and mutations have been repeatedly demonstrated. Also, the activation of cellular stress response on the transcriptional level has been described. Nevertheless, the interrelationship between these different events is less well understood, especially at low, for human exposure relevant concentrations. Within the present study, we applied the reactive metabolite benzo[a]pyrene diolepoxide (BPDE) in the nanomolar, non-cytotoxic concentration range in human TK6 cells and quantified the induction and repair of stable DNA adducts at the N (2)-position of guanine by HPLC with fluorescence detection...
June 7, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28590521/seventy-years-with-the-globus-pallidus-pallidal-surgery-for-movement-disorders-between-1947-and-2017
#12
REVIEW
Laura Cif, Marwan Hariz
The year 2017 marks the 70th anniversary of the birth of human stereotactic neurosurgery. The first procedure was a pallidotomy for Huntington's disease. However, it was for Parkinson's disease that pallidotomy was soon adopted worldwide. Pallidotomy was abandoned in the late 1950s in favor of thalamotomy because of the latter's more striking effect on tremor. The advent of levodopa put a halt to all surgery for PD. In the mid-1980s, Laitinen reintroduced the posteroventral pallidotomy of Leksell, and this procedure spread worldwide thanks to its efficacy on most parkinsonian symptoms including levodopa-induced dyskinesias and thanks to basic scientific work confirming the role of the globus pallidus internus in the pathophysiology of PD...
June 7, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28586458/disease-stabilization-of-dyt1-positive-primary-generalized-dystonia-with-deep-brain-stimulation-of-the-globus-pallidus-interna-a-15-yr-follow-up
#13
Derrick A Dupre, Raj Nangunoori, Sravanthi Koduri, Cindy Angle, Diane Cantella, Donald Whiting
BACKGROUND AND IMPORTANCE: Primary generalized dystonia (PGD) is a genetic form of dystonia that frequently displays pharmacological resistance and progresses quickly after onset. Deep brain stimulation (DBS) has been used successfully to treat refractory dystonia, specifically globus pallidus interna (GPi) DBS for DYT1-positive PGD patients. Long-term follow-up of the safety and efficacy falls short of the longevity seen in other diseases treated with DBS. CASE PRESENTATION: A male patient presented for neurosurgical evaluation with scapular winging, hand contractures, and violent truncal spasms, which forced him to be bedridden...
June 6, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28583413/effect-of-pulmonary-hyperinflation-on-central-blood-volume-an-mri-study
#14
Tanja Mijacika, Kasper Kyhl, Daria Frestad, F Otto Barak, Ivan Drvis, Niels H Secher, Zeljko Dujic, Per Lav Madsen
Pulmonary hyperinflation attained by glossopharyngeal insufflation (GPI) challenges the circulation by compressing the heart and pulmonary vasculature. Our aim was to determine the amount of blood translocated from the central blood volume during GPI. Cardiac output and cardiac chamber volumes were assessed by magnetic resonance imaging in twelve breath-hold divers at rest and during apnea with GPI. Pulmonary blood volume was determined from pulmonary blood flow and transit times for gadolinium during first-pass perfusion after intravenous injection...
June 3, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28581210/reduced-cell-surface-levels-of-gpi-linked-markers-in-a-new-case-with-pigg-loss-of-function
#15
Jin James Zhao, Jonatan Halvardson, Alexej Knaus, Patrik Georgii-Hemming, Peter Baeck, Peter Krawitz, Ann-Charlotte Thuresson, Lars Feuk
Glycosylphosphatidylinositol (GPI) is a glycolipid that tethers more than 150 different proteins to the cell surface. Aberrations in biosynthesis of GPI anchors cause congenital disorders of glycosylation with clinical features including intellectual disability, seizures and facial dysmorphism. Here we present two siblings with intellectual disability, cerebellar hypoplasia, cerebellar ataxia, early onset seizures and minor facial dysmorphology. Using exome sequencing, we identified a homozygous nonsense variant (NM_001127178...
June 5, 2017: Human Mutation
https://www.readbyqxmd.com/read/28576860/coordination-of-heparan-sulfate-proteoglycans-with-wnt-signaling-to-control-cellular-migrations-and-positioning-in-caenorhabditis-elegans
#16
Kristian Saied-Santiago, Robert A Townley, John D Attonito, Dayse S da Cunha, Carlos A Diaz-Balzac, Eillen Tecle, Hannes E Bülow
Heparan sulfates are linear polysaccharides with complex modification patterns, which are covalently bound via conserved attachment sites to core proteins to form heparan sulfate proteoglycans (HSPGs). HSPGs regulate many aspects of the development and function of the nervous system, including cell migration, morphology, and network connectivity. HSPGs function as co-factors for multiple signaling pathways, including the Wnt signaling molecules and their Frizzled receptors. To investigate the functional interactions among the HSPG and Wnt networks, we conducted genetic analyses of each, and also between these networks using five cellular migrations in the nematode Caenorhabditis elegans We find that HSPG core proteins act genetically in a combinatorial fashion dependent on the cellular contexts...
June 2, 2017: Genetics
https://www.readbyqxmd.com/read/28573240/signaling-pathways-regulated-by-brassicaceae-extract-inhibit-the-formation-of-advanced-glycated-end-products-in-rat-brain
#17
Abdulrahman L Al-Malki, Elie K Barbour, Huwait Ea, Said S Moselhy, Anas Hassan Saeed ALZahrani, Taha A Kumosani
BACKGROUND: The goal of this study was identification signaling molecules mediated the formation of AGEs in brain of rats injected with CdCl2 and the role of camel whey proteins and Brassicaceae extract on formation of AGEs in brain. METHODS: Ninety male rats were randomly grouped into five groups; Normal control (GpI) and the other rats (groups II-V) were received a single dose of cadmium chloride i.p (5 μg/kg/b.w) for induction of neurodegeneration. Rats in groups III-V were treated daily with whey protein (1g/kg b...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28566857/comparative-evaluation-of-gingival-depigmentation-by-tetrafluroethane-cryosurgery-and-surgical-scalpel-technique-a-randomized-clinical-study
#18
Suraj D Narayankar, Neeraj C Deshpande, Deepak H Dave, Dhaval J Thakkar
INTRODUCTION: Importance of good smile cannot be underestimated in enhancement of beauty, self-confidence and personality of a person. Health and appearance of gingiva is an essential part of attractive smile. Gingival pigmentation gives rise to unesthetic smile line. In present world, with increasing awareness to esthetic, people have become highly concerned about black gums. Various treatment modalities like abrasion, scrapping, scalpel technique, cryosurgery, electrosurgery and laser are available for treatment of gingival pigmentation...
January 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28560184/interaction-between-plasmodium-glycosylphosphatidylinositol-and-the-host-protein-moesin-has-no-implication-in-malaria-pathology
#19
Josefine Dunst, Nahid Azzouz, Xinyu Liu, Sachiko Tsukita, Peter H Seeberger, Faustin Kamena
Glycosylphosphatidylinositol (GPI) anchor of Plasmodium falciparum origin is considered an important toxin leading to severe malaria pathology through stimulation of pro-inflammatory responses from innate immune cells. Even though the GPI-induced immune response is widely described to be mediated by pattern recognition receptors such as TLR2 and TLR4, previous studies have revealed that these two receptors are dispensable for the development of severe malaria pathology. Therefore, this study aimed at the identification of potential alternative Plasmodium GPI receptors...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28556479/tonic-and-phasic-changes-in-anteromedial-globus-pallidus-activity-in-tourette-syndrome
#20
Michal Israelashvili, Anouk Y J M Smeets, Maya Bronfeld, Dagmar H Zeef, Albert F G Leentjens, Vivianne van Kranen-Mastenbroek, Marcus L F Janssen, Yasin Temel, Linda Ackermans, Izhar Bar-Gad
BACKGROUND: Tourette syndrome is a hyperkinetic neurodevelopmental disorder characterized by tics. OBJECTIVE: Assess the neuronal changes in the associative/limbic GP associated with Tourette syndrome. METHODS: Neurophysiological recordings were performed from the anterior (associative/limbic) GPe and GPi of 8 awake patients during DBS electrode implantation surgeries. RESULTS: The baseline firing rate of the neurons was low in a state-dependent manner in both segments of the GP...
May 29, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
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