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Peter Kraft

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https://www.readbyqxmd.com/read/28494694/antagonizing-dabigatran-by-idarucizumab-in-cases-of-ischemic-stroke-or-intracranial-hemorrhage-in-germany-a-national-case-collection
#1
Pawel Kermer, Christoph C Eschenfelder, Hans-Christoph Diener, Martin Grond, Yasser Abdalla, Katharina Althaus, Jörg Berrouschot, Hakan Cangür, Michael Daffertshofer, Sebastian Edelbusch, Klaus Gröschel, Claus G Haase, Andreas Harloff, Valentin Held, Andreas Kauert, Peter Kraft, Arne Lenz, Wolfgang Müllges, Mark Obermann, Someieh Partowi, Jan Purrucker, Peter A Ringleb, Joachim Röther, Raluca Rossi, Niklas Schäfer, Andreas Schneider, Ramona Schuppner, Rüdiger J Seitz, Kristina Szabo, Robert Wruck
Background Idarucizumab is a monoclonal antibody fragment with high affinity for dabigatran that reverses its anticoagulant effects within minutes. It may exhibit the potential for patients under dabigatran therapy suffering ischemic stroke to regain eligibility for thrombolysis with rt-PA and may inhibit lesion growth in patients with intracerebral hemorrhage on dabigatran. Aims To provide insights into the clinical use of idarucizumab in patients under effective dabigatran anticoagulation presenting with signs of ischemic stroke or intracranial hemorrhage...
June 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28481708/fine-tuning-the-risk-of-hereditary-cancer-using-genome-wide-association-studies
#2
Peter Kraft
No abstract text is available yet for this article.
May 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28453673/vexor-an-integrative-environment-for-prioritization-of-functional-variants-in-fine-mapping-analysis
#3
Audrey Lemaçon, Charles Joly Beauparlant, Penny Soucy, Jamie Allen, Douglas Easton, Peter Kraft, Jacques Simard, Arnaud Droit
Motivation: The identification of the functional variants responsible for observed genome-wide association studies (GWAS) signals is one of the most challenging tasks of the post-GWAS research era. Several tools have been developed to annotate genetic variants by their genomic location and potential functional implications. Each of these tools has its own requirements and internal logic, which forces the user to become acquainted with each interface. Results: From an awareness of the amount of work needed to analyze a single locus, we have built a flexible, versatile and easy-to-use web interface designed to help in prioritizing variants and predicting their potential functional implications...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28447668/functional-characterization-of-a-multi-cancer-risk-locus-on-chr5p15-33-reveals-regulation-of-tert-by-znf148
#4
Jun Fang, Jinping Jia, Matthew Makowski, Mai Xu, Zhaoming Wang, Tongwu Zhang, Jason W Hoskins, Jiyeon Choi, Younghun Han, Mingfeng Zhang, Janelle Thomas, Michael Kovacs, Irene Collins, Marta Dzyadyk, Abbey Thompson, Maura O'Neill, Sudipto Das, Qi Lan, Roelof Koster, Rachael S Stolzenberg-Solomon, Peter Kraft, Brian M Wolpin, Pascal W T C Jansen, Sara Olson, Katherine A McGlynn, Peter A Kanetsky, Nilanjan Chatterjee, Jennifer H Barrett, Alison M Dunning, John C Taylor, Julia A Newton-Bishop, D Timothy Bishop, Thorkell Andresson, Gloria M Petersen, Christopher I Amos, Mark M Iles, Katherine L Nathanson, Maria Teresa Landi, Michiel Vermeulen, Kevin M Brown, Laufey T Amundadottir
Genome wide association studies (GWAS) have mapped multiple independent cancer susceptibility loci to chr5p15.33. Here, we show that fine-mapping of pancreatic and testicular cancer GWAS within one of these loci (Region 2 in CLPTM1L) focuses the signal to nine highly correlated SNPs. Of these, rs36115365-C associated with increased pancreatic and testicular but decreased lung cancer and melanoma risk, and exhibited preferred protein-binding and enhanced regulatory activity. Transcriptional gene silencing of this regulatory element repressed TERT expression in an allele-specific manner...
May 2, 2017: Nature Communications
https://www.readbyqxmd.com/read/28440116/telemedical-strategies-for-the-improvement-of-secondary-prevention-in-patients-with-cerebrovascular-events-a-systematic-review-and-meta-analysis
#5
Peter Kraft, Steffi Hillmann, Viktoria Rücker, Peter U Heuschmann
Background Data from European countries consistently show that guideline-conform secondary prevention after stroke/transient ischemic attack is being realized in only 50-80% of patients. Use of telemedicine to support long-term secondary prevention has been effective in other cardiovascular diseases. Aims We reviewed current evidence for telemedical-supported strategies for the improvement of secondary prevention after stroke/transient ischemic attack. A systematic review was performed in accordance with the PRISMA statement searching MEDLINE, the Cochrane Central Register of Controlled Trials, and reference lists of articles published until 18 May 2016...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28437066/electric-field-driven-direct-desulfurization
#6
Bogdana Borca, Tomasz Michnowicz, Rémi Pétuya, Marcel Pristl, Verena Schendel, Ivan Pentegov, Ulrike Kraft, Hagen Klauk, Peter Wahl, Rico Gutzler, Andrés Arnau, Uta Schlickum, Klaus Kern
The ability to elucidate the elementary steps of a chemical reaction at the atomic scale is important for the detailed understanding of the processes involved, which is key to uncover avenues for improved reaction paths. Here, we track the chemical pathway of an irreversible direct desulfurization reaction of tetracenothiophene adsorbed on the Cu(111) closed-packed surface at the submolecular level. Using the precise control of the tip position in a scanning tunneling microscope and the electric field applied across the tunnel junction, the two carbon-sulfur bonds of a thiophene unit are successively cleaved...
May 1, 2017: ACS Nano
https://www.readbyqxmd.com/read/28436984/genomic-analyses-identify-hundreds-of-variants-associated-with-age-at-menarche-and-support-a-role-for-puberty-timing-in-cancer-risk
#7
Felix R Day, Deborah J Thompson, Hannes Helgason, Daniel I Chasman, Hilary Finucane, Patrick Sulem, Katherine S Ruth, Sean Whalen, Abhishek K Sarkar, Eva Albrecht, Elisabeth Altmaier, Marzyeh Amini, Caterina M Barbieri, Thibaud Boutin, Archie Campbell, Ellen Demerath, Ayush Giri, Chunyan He, Jouke J Hottenga, Robert Karlsson, Ivana Kolcic, Po-Ru Loh, Kathryn L Lunetta, Massimo Mangino, Brumat Marco, George McMahon, Sarah E Medland, Ilja M Nolte, Raymond Noordam, Teresa Nutile, Lavinia Paternoster, Natalia Perjakova, Eleonora Porcu, Lynda M Rose, Katharina E Schraut, Ayellet V Segrè, Albert V Smith, Lisette Stolk, Alexander Teumer, Irene L Andrulis, Stefania Bandinelli, Matthias W Beckmann, Javier Benitez, Sven Bergmann, Murielle Bochud, Eric Boerwinkle, Stig E Bojesen, Manjeet K Bolla, Judith S Brand, Hiltrud Brauch, Hermann Brenner, Linda Broer, Thomas Brüning, Julie E Buring, Harry Campbell, Eulalia Catamo, Stephen Chanock, Georgia Chenevix-Trench, Tanguy Corre, Fergus J Couch, Diana L Cousminer, Angela Cox, Laura Crisponi, Kamila Czene, George Davey Smith, Eco J C N de Geus, Renée de Mutsert, Immaculata De Vivo, Joe Dennis, Peter Devilee, Isabel Dos-Santos-Silva, Alison M Dunning, Johan G Eriksson, Peter A Fasching, Lindsay Fernández-Rhodes, Luigi Ferrucci, Dieter Flesch-Janys, Lude Franke, Marike Gabrielson, Ilaria Gandin, Graham G Giles, Harald Grallert, Daniel F Gudbjartsson, Pascal Guénel, Per Hall, Emily Hallberg, Ute Hamann, Tamara B Harris, Catharina A Hartman, Gerardo Heiss, Maartje J Hooning, John L Hopper, Frank Hu, David J Hunter, M Arfan Ikram, Hae Kyung Im, Marjo-Riitta Järvelin, Peter K Joshi, David Karasik, Manolis Kellis, Zoltan Kutalik, Genevieve LaChance, Diether Lambrechts, Claudia Langenberg, Lenore J Launer, Joop S E Laven, Stefania Lenarduzzi, Jingmei Li, Penelope A Lind, Sara Lindstrom, YongMei Liu, Jian'an Luan, Reedik Mägi, Arto Mannermaa, Hamdi Mbarek, Mark I McCarthy, Christa Meisinger, Thomas Meitinger, Cristina Menni, Andres Metspalu, Kyriaki Michailidou, Lili Milani, Roger L Milne, Grant W Montgomery, Anna M Mulligan, Mike A Nalls, Pau Navarro, Heli Nevanlinna, Dale R Nyholt, Albertine J Oldehinkel, Tracy A O'Mara, Sandosh Padmanabhan, Aarno Palotie, Nancy Pedersen, Annette Peters, Julian Peto, Paul D P Pharoah, Anneli Pouta, Paolo Radice, Iffat Rahman, Susan M Ring, Antonietta Robino, Frits R Rosendaal, Igor Rudan, Rico Rueedi, Daniela Ruggiero, Cinzia F Sala, Marjanka K Schmidt, Robert A Scott, Mitul Shah, Rossella Sorice, Melissa C Southey, Ulla Sovio, Meir Stampfer, Maristella Steri, Konstantin Strauch, Toshiko Tanaka, Emmi Tikkanen, Nicholas J Timpson, Michela Traglia, Thérèse Truong, Jonathan P Tyrer, André G Uitterlinden, Digna R Velez Edwards, Veronique Vitart, Uwe Völker, Peter Vollenweider, Qin Wang, Elisabeth Widen, Ko Willems van Dijk, Gonneke Willemsen, Robert Winqvist, Bruce H R Wolffenbuttel, Jing Hua Zhao, Magdalena Zoledziewska, Marek Zygmunt, Behrooz Z Alizadeh, Dorret I Boomsma, Marina Ciullo, Francesco Cucca, Tõnu Esko, Nora Franceschini, Christian Gieger, Vilmundur Gudnason, Caroline Hayward, Peter Kraft, Debbie A Lawlor, Patrik K E Magnusson, Nicholas G Martin, Dennis O Mook-Kanamori, Ellen A Nohr, Ozren Polasek, David Porteous, Alkes L Price, Paul M Ridker, Harold Snieder, Tim D Spector, Doris Stöckl, Daniela Toniolo, Sheila Ulivi, Jenny A Visser, Henry Völzke, Nicholas J Wareham, James F Wilson, Amanda B Spurdle, Unnur Thorsteindottir, Katherine S Pollard, Douglas F Easton, Joyce Y Tung, Jenny Chang-Claude, David Hinds, Anna Murray, Joanne M Murabito, Kari Stefansson, Ken K Ong, John R B Perry
The timing of puberty is a highly polygenic childhood trait that is epidemiologically associated with various adult diseases. Using 1000 Genomes Project-imputed genotype data in up to ∼370,000 women, we identify 389 independent signals (P < 5 × 10(-8)) for age at menarche, a milestone in female pubertal development. In Icelandic data, these signals explain ∼7.4% of the population variance in age at menarche, corresponding to ∼25% of the estimated heritability. We implicate ∼250 genes via coding variation or associated expression, demonstrating significant enrichment in neural tissues...
April 24, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28399564/interactions-between-genome-wide-significant-genetic-variants-and-circulating-concentrations-of-25-hydroxyvitamin-d-in-relation-to-prostate-cancer-risk-in-the-national-cancer-institute-bpc3
#8
Vasiliki I Dimitrakopoulou, Ruth C Travis, Irene M Shui, Alison Mondul, Demetrius Albanes, Jarmo Virtamo, Antonio Agudo, Heiner Boeing, H Bas Bueno-de-Mesquita, Marc J Gunter, Mattias Johansson, Kay-Tee Khaw, Kim Overvad, Domenico Palli, Antonia Trichopoulou, Edward Giovannucci, David J Hunter, Sara Lindström, Walter Willett, J Michael Gaziano, Meir Stampfer, Christine Berg, Sonja I Berndt, Amanda Black, Robert N Hoover, Peter Kraft, Timothy J Key, Konstantinos K Tsilidis
Genome-wide association studies (GWAS) have identified over 100 single nucleotide polymorphisms (SNPs) associated with prostate cancer. However, information on the mechanistic basis for some associations is limited. Recent research has been directed towards the potential association of vitamin D concentrations and prostate cancer, but little is known about whether the aforementioned genetic associations are modified by vitamin D. We investigated the associations of 46 GWAS-identified SNPs, circulating concentrations of 25-hydroxyvitamin D (25(OH)D), and prostate cancer (3,811 cases, 511 of whom died from the disease, compared with 2,980 controls-from 5 cohort studies that recruited participants over several periods beginning in the 1980s)...
March 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28361296/women-with-homozygous-at-deficiency-type-ii-heparin-binding-site-hbs-are-at-high-risk-of-pregnancy-loss-and-pregnancy-complications
#9
Julia Kraft, Raute Sunder-Plassmann, Christine Mannhalter, Peter Quehenberger, Gernot Tews, Martin Langer, Ingrid Pabinger
Data regarding outcome and therapy of pregnancies in patients with homozygous antithrombin (AT) deficiency are very rare. We conducted a retrospective, descriptive investigation with emphasis on the obstetric history of eight women with homozygous AT deficiency heparin-binding site (HBS), who had at least one pregnancy. The aim of the study was to get a better insight into the outcome and identify suitable management procedures of pregnancy in this rare disease. All patients suffered from homozygous AT deficiency caused by the mutation c...
March 30, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28358654/cigarette-smoking-and-pancreatic-cancer-survival
#10
Chen Yuan, Vicente Morales-Oyarvide, Ana Babic, Clary B Clish, Peter Kraft, Ying Bao, Zhi Rong Qian, Douglas A Rubinson, Kimmie Ng, Edward L Giovannucci, Shuji Ogino, Meir J Stampfer, John Michael Gaziano, Howard D Sesso, Barbara B Cochrane, JoAnn E Manson, Charles S Fuchs, Brian M Wolpin
Purpose Cigarette smoking is associated with increased incidence of pancreatic cancer. However, few studies have prospectively evaluated the association of smoking with patient survival. Patients and Methods We analyzed survival by smoking status among 1,037 patients from two large US prospective cohort studies diagnosed from 1986 to 2013. Among 485 patients from four prospective US cohorts, we also evaluated survival by prediagnostic circulating levels of cotinine, a metabolite of nicotine that is proportional to tobacco smoke exposure...
March 30, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28333262/selection-in-europeans-on-fatty-acid-desaturases-associated-with-dietary-changes
#11
Matthew T Buckley, Fernando Racimo, Morten E Allentoft, Majken K Jensen, Anna Jonsson, Hongyan Huang, Farhad Hormozdiari, Martin Sikora, Davide Marnetto, Eleazar Eskin, Marit E Jørgensen, Niels Grarup, Oluf Pedersen, Torben Hansen, Peter Kraft, Eske Willerslev, Rasmus Nielsen
FADS genes encode fatty acid desaturases that are important for the conversion of short chain polyunsaturated fatty acids (PUFAs) to long chain fatty acids. Prior studies indicate that the FADS genes have been subjected to strong positive selection in Africa, South Asia, Greenland, and Europe. By comparing FADS sequencing data from present-day and Bronze Age (5-3k years ago) Europeans, we identify possible targets of selection in the European population, which suggest that selection has targeted different alleles in the FADS genes in Europe than it has in South Asia or Greenland...
June 1, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28330855/conserved-atg8-recognition-sites-mediate-atg4-association-with-autophagosomal-membranes-and-atg8-deconjugation
#12
Susana Abreu, Franziska Kriegenburg, Rubén Gómez-Sánchez, Muriel Mari, Jana Sánchez-Wandelmer, Mads Skytte Rasmussen, Rodrigo Soares Guimarães, Bettina Zens, Martina Schuschnig, Ralph Hardenberg, Matthias Peter, Terje Johansen, Claudine Kraft, Sascha Martens, Fulvio Reggiori
Deconjugation of the Atg8/LC3 protein family members from phosphatidylethanolamine (PE) by Atg4 proteases is essential for autophagy progression, but how this event is regulated remains to be understood. Here, we show that yeast Atg4 is recruited onto autophagosomal membranes by direct binding to Atg8 via two evolutionarily conserved Atg8 recognition sites, a classical LC3-interacting region (LIR) at the C-terminus of the protein and a novel motif at the N-terminus. Although both sites are important for Atg4-Atg8 interaction in vivo, only the new N-terminal motif, close to the catalytic center, plays a key role in Atg4 recruitment to autophagosomal membranes and specific Atg8 deconjugation...
May 2017: EMBO Reports
https://www.readbyqxmd.com/read/28301549/a-comprehensive-survey-of-genetic-variation-in-20-691-subjects-from-four-large-cohorts
#13
Sara Lindström, Stephanie Loomis, Constance Turman, Hongyan Huang, Jinyan Huang, Hugues Aschard, Andrew T Chan, Hyon Choi, Marilyn Cornelis, Gary Curhan, Immaculata De Vivo, A Heather Eliassen, Charles Fuchs, Michael Gaziano, Susan E Hankinson, Frank Hu, Majken Jensen, Jae H Kang, Christopher Kabrhel, Liming Liang, Louis R Pasquale, Eric Rimm, Meir J Stampfer, Rulla M Tamimi, Shelley S Tworoger, Janey L Wiggs, David J Hunter, Peter Kraft
The Nurses' Health Study (NHS), Nurses' Health Study II (NHSII), Health Professionals Follow Up Study (HPFS) and the Physicians Health Study (PHS) have collected detailed longitudinal data on multiple exposures and traits for approximately 310,000 study participants over the last 35 years. Over 160,000 study participants across the cohorts have donated a DNA sample and to date, 20,691 subjects have been genotyped as part of genome-wide association studies (GWAS) of twelve primary outcomes. However, these studies utilized six different GWAS arrays making it difficult to conduct analyses of secondary phenotypes or share controls across studies...
2017: PloS One
https://www.readbyqxmd.com/read/28178406/haemorrhagic-transformation-after-ischaemic-stroke-in-patients-taking-non-vitamin-k-antagonist-oral-anticoagulants
#14
Jan C Purrucker, Kirsten Haas, Marcel Wolf, Timolaos Rizos, Shujah Khan, Peter Kraft, Sven Poli, Rainer Dziewas, Johannes Meyne, Frederick Palm, Sebastian Jander, Markus Möhlenbruch, Peter U Heuschmann, Roland Veltkamp
BACKGROUND AND PURPOSE: To evaluate the frequency and outcome of haemorrhagic transformation (HT) after ischaemic stroke in patients treated with non-vitamin K antagonist oral anticoagulants (NOACs). METHODS: Patients with stroke on treatment with a NOAC were prospectively enrolled in this multicentre observational study between February 2012 and 2015. Brain imaging at admission and follow-up imaging until day 7 were reviewed for HT. Functional outcome was assessed by the modified Rankin scale (mRS) before the index event, at discharge, and at 3-months...
January 2017: Journal of Stroke
https://www.readbyqxmd.com/read/28172431/vexor-an-integrative-environment-for-prioritization-of-functional-variants-in-fine-mapping-analysis
#15
Audrey Lemaçon, Charles Joly Beauparlant, Penny Soucy, Jamie Allen, Douglas Easton, Peter Kraft, Jacques Simard, Arnaud Droit
No abstract text is available yet for this article.
January 5, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28165464/genome-wide-association-analysis-implicates-dysregulation-of-immunity-genes-in-chronic-lymphocytic-leukaemia
#16
Philip J Law, Sonja I Berndt, Helen E Speedy, Nicola J Camp, Georgina P Sava, Christine F Skibola, Amy Holroyd, Vijai Joseph, Nicola J Sunter, Alexandra Nieters, Silvia Bea, Alain Monnereau, David Martin-Garcia, Lynn R Goldin, Guillem Clot, Lauren R Teras, Inés Quintela, Brenda M Birmann, Sandrine Jayne, Wendy Cozen, Aneela Majid, Karin E Smedby, Qing Lan, Claire Dearden, Angela R Brooks-Wilson, Andrew G Hall, Mark P Purdue, Tryfonia Mainou-Fowler, Claire M Vajdic, Graham H Jackson, Pierluigi Cocco, Helen Marr, Yawei Zhang, Tongzhang Zheng, Graham G Giles, Charles Lawrence, Timothy G Call, Mark Liebow, Mads Melbye, Bengt Glimelius, Larry Mansouri, Martha Glenn, Karen Curtin, W Ryan Diver, Brian K Link, Lucia Conde, Paige M Bracci, Elizabeth A Holly, Rebecca D Jackson, Lesley F Tinker, Yolanda Benavente, Paolo Boffetta, Paul Brennan, Marc Maynadie, James McKay, Demetrius Albanes, Stephanie Weinstein, Zhaoming Wang, Neil E Caporaso, Lindsay M Morton, Richard K Severson, Elio Riboli, Paolo Vineis, Roel C H Vermeulen, Melissa C Southey, Roger L Milne, Jacqueline Clavel, Sabine Topka, John J Spinelli, Peter Kraft, Maria Grazia Ennas, Geoffrey Summerfield, Giovanni M Ferri, Robert J Harris, Lucia Miligi, Andrew R Pettitt, Kari E North, David J Allsup, Joseph F Fraumeni, James R Bailey, Kenneth Offit, Guy Pratt, Henrik Hjalgrim, Chris Pepper, Stephen J Chanock, Chris Fegan, Richard Rosenquist, Silvia de Sanjose, Angel Carracedo, Martin J S Dyer, Daniel Catovsky, Elias Campo, James R Cerhan, James M Allan, Nathanial Rothman, Richard Houlston, Susan Slager
Several chronic lymphocytic leukaemia (CLL) susceptibility loci have been reported; however, much of the heritable risk remains unidentified. Here we perform a meta-analysis of six genome-wide association studies, imputed using a merged reference panel of 1,000 Genomes and UK10K data, totalling 6,200 cases and 17,598 controls after replication. We identify nine risk loci at 1p36.11 (rs34676223, P=5.04 × 10(-13)), 1q42.13 (rs41271473, P=1.06 × 10(-10)), 4q24 (rs71597109, P=1.37 × 10(-10)), 4q35.1 (rs57214277, P=3...
February 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28148635/high-dose-immunosuppressive-therapy-and-autologous-hct-for-relapsing-remitting-ms
#17
MULTICENTER STUDY
Richard A Nash, George J Hutton, Michael K Racke, Uday Popat, Steven M Devine, Kaitlyn C Steinmiller, Linda M Griffith, Paolo A Muraro, Harry Openshaw, Peter H Sayre, Olaf Stuve, Douglas L Arnold, Mark H Wener, George E Georges, Annette Wundes, George H Kraft, James D Bowen
OBJECTIVE: To evaluate the safety, efficacy, and durability of multiple sclerosis (MS) disease stabilization after high-dose immunosuppressive therapy (HDIT) and autologous hematopoietic cell transplantation (HCT). METHODS: High-Dose Immunosuppression and Autologous Transplantation for Multiple Sclerosis (HALT-MS) is a phase II clinical trial of HDIT/HCT for patients with relapsing-remitting (RR) MS who experienced relapses with disability progression (Expanded Disability Status Scale [EDSS] 3...
February 28, 2017: Neurology
https://www.readbyqxmd.com/read/28109273/blocking-of-platelet-glycoprotein-receptor-ib-reduces-thrombo-inflammation-in-mice-with-acute-ischemic-stroke
#18
Michael K Schuhmann, Josua Guthmann, Guido Stoll, Bernhard Nieswandt, Peter Kraft, Christoph Kleinschnitz
BACKGROUND: Ischemic stroke causes a strong inflammatory response that includes T cells, monocytes/macrophages, and neutrophils. Interaction of these immune cells with platelets and endothelial cells facilitates microvascular dysfunction and leads to secondary infarct growth. We recently showed that blocking of platelet glycoprotein (GP) receptor Ib improves stroke outcome without increasing the risk of intracerebral hemorrhage. Until now, it has been unclear whether GPIb only mediates thrombus formation or also contributes to the pathophysiology of local inflammation...
January 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28081215/genome-wide-association-studies-of-multiple-keratinocyte-cancers
#19
Luba M Pardo, Wen-Qing Li, Shih-Jen Hwang, Joris A C Verkouteren, Albert Hofman, André G Uitterlinden, Peter Kraft, Constance Turman, Jiali Han, Eunyoung Cho, Joanne M Murabito, Daniel Levy, Abrar A Qureshi, Tamar Nijsten
There is strong evidence for a role of environmental risk factors involved in susceptibility to develop multiple keratinocyte cancers (mKCs), but whether genes are also involved in mKCs susceptibility has not been thoroughly investigated. We investigated whether single nucleotide polymorphisms (SNPs) are associated with susceptibility for mKCs. A genome-wide association study (GWAS) of 1,666 cases with mKCs and 1,950 cases with single KC (sKCs; controls) from Harvard cohorts (the Nurses' Health Study [NHS], NHS II, and the Health Professionals Follow-Up Study) and the Framingham Heart Study was carried-out using over 8 million SNPs (stage-1)...
2017: PloS One
https://www.readbyqxmd.com/read/28077416/platelet-secretion-is-crucial-to-prevent-bleeding-in-the-ischemic-brain-but-not-in-the-inflamed-skin-or-lung-in-mice
#20
Carsten Deppermann, Peter Kraft, Julia Volz, Michael K Schuhmann, Sarah Beck, Karen Wolf, David Stegner, Guido Stoll, Bernhard Nieswandt
Platelets maintain hemostasis after injury, but also during inflammation. Recent studies have shown that platelets prevent inflammatory bleeding through (hem) immunoreceptor tyrosine-based activation motif-dependent mechanisms irrespective of aggregation during skin and lung inflammation. Although the exact mechanisms underlying this process remain unknown, it was speculated that mediators released from platelet granules might be involved. Maintaining cerebral hemostasis during stroke treatment is of high clinical relevance because hemorrhage may aggravate the disease state and increase mortality...
March 23, 2017: Blood
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