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  • AML STUDY-GROUP  (1)
  • Anatomy, Morphology, Biomechanics, Ecology  (1)
  • 1
    Keywords: CANCER ; EXPRESSION ; SURVIVAL ; CELL ; Germany ; GENE ; MARKER ; prognosis ; polymorphism ; single nucleotide polymorphism ; TRIAL ; AGE ; MUTATION ; SNP ; leukemia ; MARKERS ; MUTATIONS ; HIGH-RISK ; GLIOMAS ; GENE-MUTATIONS ; STUDY-GROUP ULM ; ONCOLOGY ; overall survival ; MYELOID-LEUKEMIA ; PROGNOSTIC-FACTOR ; ALLELES ; methods ; PREDICTS ; STEM ; GROUP-B ; outcome ; IDH1 ; CODON 132 ; single nucleotide ; NUCLEOPHOSMIN ; clinical oncology ; AML STUDY-GROUP ; YOUNGER ADULTS 16
    Abstract: Purpose We assessed the prognostic impact of IDH1 R132 mutations and a known single nucleotide polymorphism (SNP) located in the same exon of the IDH1 gene in patients with cytogenetically normal acute myeloid leukemia (CN-AML) in the context of other prognostic markers. Patients and Methods IDH1 exon four was directly sequenced in 275 CN-AML patients from two subsequent AML multicenter treatment trials and 120 healthy volunteers. Moreover, mutations in NPM1, FLT3, CEBPA, and WT1 were analyzed, and mRNA expression of IDH1 was quantified. Results IDH1 R132 mutations were found in 10.9% of CN-AML patients. IDH1 SNP rs11554137 was found in 12% of CN-AML patients and 11.7% of healthy volunteers. IDH1 R132 mutations had no impact on prognosis. In contrast, IDH1 SNP rs11554137 was an adverse prognostic factor for overall survival in univariate and multivariate analysis. Other significant factors were age, NPM1/FLT3 mutational status, WT1 SNP rs16754, and platelet count. The impact of IDH1 SNP rs11554137 was most pronounced in the NPM1/FLT3 high-risk patients (either NPM1 wild-type or FLT3-internal tandem duplication positive). Patients with IDH1 SNP rs11554137 had a higher expression of IDH1 mRNA than patients with two wild-type alleles. Conclusion IDH1 SNP rs11554137 but not IDH1 R132 mutations are associated with an inferior outcome in CN-AML
    Type of Publication: Journal article published
    PubMed ID: 20368538
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  • 2
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    American Association for the Advancement of Science (AAAS)
    In: Science
    Publication Date: 2018-05-25
    Description: Soaring migrant birds exploit columns of rising air (thermals) to cover large distances with minimal energy. Using social information while locating thermals may benefit such birds, but examining collective movements in wild migrants has been a major challenge for researchers. We investigated the group movements of a flock of 27 naturally migrating juvenile white storks by using high-resolution GPS and accelerometers. Analyzing individual and group movements on multiple scales revealed that a small number of leaders navigated to and explored thermals, whereas followers benefited from their movements. Despite this benefit, followers often left thermals earlier and at lower height, and consequently they had to flap considerably more. Followers also migrated less far annually than did leaders. We provide insights into the interactions between freely flying social migrants and the costs and benefits of collective movement in natural populations.
    Keywords: Anatomy, Morphology, Biomechanics, Ecology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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