Institution
Medical Research Council
Government•London, United Kingdom•
About: Medical Research Council is a government organization based out in London, United Kingdom. It is known for research contribution in the topics: Population & Malaria. The organization has 16430 authors who have published 19150 publications receiving 1475494 citations.
Topics: Population, Malaria, Poison control, Gene, Antigen
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Medical Research Council1, Radboud University Nijmegen2, University of South Florida3, Indiana University – Purdue University Indianapolis4, University of Debrecen5, University of Bristol6, University of British Columbia7, University College London8, University of Toronto9, Washington University in St. Louis10, Hungarian Academy of Sciences11, Vrije Universiteit Brussel12, Russian Academy of Sciences13, Scripps Research Institute14
TL;DR: Uncharacterized and uncharacterized protein segments are likely to be a large source of functional novelty relevant for discovering new biology as discussed by the authors, which is likely to lead to the discovery of novel functions as well as provide important insights into existing biological processes.
Abstract: 1.1. Uncharacterized Protein Segments Are a Source of Functional Novelty
Over the past decade, we have observed a massive increase in the amount of information describing protein sequences from a variety of organisms.1,2 While this may reflect the diversity in sequence space, and possibly also in function space,3 a large proportion of the sequences lacks any useful function annotation.4,5 Often these sequences are annotated as putative or hypothetical proteins, and for the majority their functions still remain unknown.6,7 Suggestions about potential protein function, primarily molecular function, often come from computational analysis of their sequences. For instance, homology detection allows for the transfer of information from well-characterized protein segments to those with similar sequences that lack annotation of molecular function.8−10 Other aspects of function, such as the biological processes proteins participate in, may come from genetic- and disease-association studies, expression and interaction network data, and comparative genomics approaches that investigate genomic context.11−17 Characterization of unannotated and uncharacterized protein segments is expected to lead to the discovery of novel functions as well as provide important insights into existing biological processes. In addition, it is likely to shed new light on molecular mechanisms of diseases that are not yet fully understood. Thus, uncharacterized protein segments are likely to be a large source of functional novelty relevant for discovering new biology.
966 citations
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Queen Mary University of London1, Durham University2, University of Bristol3, Charité4, National Institutes of Health5, Liverpool School of Tropical Medicine6, University of Southampton7, University of Tasmania8, AstraZeneca9, University of Edinburgh10, Cardiff University11, Medical Research Council12, University of Florida13, University of Sydney14, Janssen Pharmaceutica15, University of Bern16
TL;DR: The ARRIVE guidelines are revised to update them and facilitate their use in practice and this explanation and elaboration document was developed as part of the revision.
Abstract: Improving the reproducibility of biomedical research is a major challenge. Transparent and accurate reporting is vital to this process; it allows readers to assess the reliability of the findings and repeat or build upon the work of other researchers. The ARRIVE guidelines (Animal Research: Reporting In Vivo Experiments) were developed in 2010 to help authors and journals identify the minimum information necessary to report in publications describing in vivo experiments. Despite widespread endorsement by the scientific community, the impact of ARRIVE on the transparency of reporting in animal research publications has been limited. We have revised the ARRIVE guidelines to update them and facilitate their use in practice. The revised guidelines are published alongside this paper. This explanation and elaboration document was developed as part of the revision. It provides further information about each of the 21 items in ARRIVE 2.0, including the rationale and supporting evidence for their inclusion in the guidelines, elaboration of details to report, and examples of good reporting from the published literature. This document also covers advice and best practice in the design and conduct of animal studies to support researchers in improving standards from the start of the experimental design process through to publication.
961 citations
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TL;DR: A whole-genome comparison between humans and the pufferfish, Fugu rubripes, is used to identify nearly 1,400 highly conserved non-coding sequences, which are likely to form part of the genomic circuitry that uniquely defines vertebrate development.
Abstract: In addition to protein coding sequence, the human genome contains a significant amount of regulatory DNA, the identification of which is proving somewhat recalcitrant to both in silico and functional methods. An approach that has been used with some success is comparative sequence analysis, whereby equivalent genomic regions from different organisms are compared in order to identify both similarities and differences. In general, similarities in sequence between highly divergent organisms imply functional constraint. We have used a whole-genome comparison between humans and the pufferfish, Fugu rubripes, to identify nearly 1,400 highly conserved non-coding sequences. Given the evolutionary divergence between these species, it is likely that these sequences are found in, and furthermore are essential to, all vertebrates. Most, and possibly all, of these sequences are located in and around genes that act as developmental regulators. Some of these sequences are over 90% identical across more than 500 bases, being more highly conserved than coding sequence between these two species. Despite this, we cannot find any similar sequences in invertebrate genomes. In order to begin to functionally test this set of sequences, we have used a rapid in vivo assay system using zebrafish embryos that allows tissue-specific enhancer activity to be identified. Functional data is presented for highly conserved non-coding sequences associated with four unrelated developmental regulators (SOX21, PAX6, HLXB9, and SHH), in order to demonstrate the suitability of this screen to a wide range of genes and expression patterns. Of 25 sequence elements tested around these four genes, 23 show significant enhancer activity in one or more tissues. We have identified a set of non-coding sequences that are highly conserved throughout vertebrates. They are found in clusters across the human genome, principally around genes that are implicated in the regulation of development, including many transcription factors. These highly conserved non-coding sequences are likely to form part of the genomic circuitry that uniquely defines vertebrate development.
952 citations
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TL;DR: It is argued that a comprehensive response to foreign antigens requires that T cells are widely crossreactive, such that one cell reacts productively with approximately 10 6 different MHC-associated minimal peptide epitopes.
950 citations
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TL;DR: This chapter deals with the absorption spectra of proteins and amino acids, principally derived from the study of homogeneous absorbing systems, in which the inhomogeneity is finer in grade by several orders than the dimensions of the exploring light beam.
Abstract: Publisher Summary This chapter deals with the absorption spectra of proteins and amino acids The colored proteins are conjugated proteins in which the protein carrier is colorless This transparency of protein solutions extends into the ultraviolet region of the spectrum and many proteins do not absorb radiation of longer wavelength than 2500 Ǻ The essential protein fabric, consisting of a peptide chain in various forms, is not responsible for absorption at longer wavelengths In case of fibrous proteins, there is some evidence that the peptide fabric is responsible for absorption in this region Many proteins absorb in this region This absorption is due to the aromatic amino-acids present in the protein The advent of quantitative methods of spectrophotometry is the basis of a method of determining tyrosine and tryptophan in proteins The striking property of proteins is their transparency, indicating a high degree of electronic saturation The configurational stability of the protein molecule depends entirely on extra-valence forces and not on unsaturation, which would result in high absorption in the ultraviolet The absence of such rigidifying bonds endows the protein with its unique characters of plasticity, while the number-sequence of side chains gives its chemical constancy These two properties allow these molecules to be arranged in large polymorphic masses to form a matrix fabric of recurrent pattern in media, which are essentially aqueous The material reviewed is principally derived from the study of homogeneous absorbing systems, in which the inhomogeneity is finer in grade by several orders than the dimensions of the exploring light beam
944 citations
Authors
Showing all 16441 results
Name | H-index | Papers | Citations |
---|---|---|---|
Shizuo Akira | 261 | 1308 | 320561 |
Trevor W. Robbins | 231 | 1137 | 164437 |
Richard A. Flavell | 231 | 1328 | 205119 |
George Davey Smith | 224 | 2540 | 248373 |
Nicholas J. Wareham | 212 | 1657 | 204896 |
Cyrus Cooper | 204 | 1869 | 206782 |
Martin White | 196 | 2038 | 232387 |
Frank E. Speizer | 193 | 636 | 135891 |
Michael Rutter | 188 | 676 | 151592 |
Richard Peto | 183 | 683 | 231434 |
Terrie E. Moffitt | 182 | 594 | 150609 |
Kay-Tee Khaw | 174 | 1389 | 138782 |
Chris D. Frith | 173 | 524 | 130472 |
Phillip A. Sharp | 172 | 614 | 117126 |
Avshalom Caspi | 170 | 524 | 113583 |