Search Results - "David Knapp"
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Hematopoietic Stem Cells Are the Major Source of Multilineage Hematopoiesis in Adult Animals
Published in Immunity (Cambridge, Mass.) (20-09-2016)“…Hematopoietic stem cells (HSCs) sustain long-term reconstitution of hematopoiesis in transplantation recipients, yet their role in the endogenous steady-state…”
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The Lin28b–let-7–Hmga2 axis determines the higher self-renewal potential of fetal haematopoietic stem cells
Published in Nature cell biology (01-08-2013)“…Mouse haematopoietic stem cells (HSCs) undergo a postnatal transition in several properties, including a marked reduction in their self-renewal activity. We…”
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3
Extreme differences in forest degradation in Borneo: comparing practices in Sarawak, Sabah, and Brunei
Published in PloS one (17-07-2013)“…The Malaysian states of Sabah and Sarawak are global hotspots of forest loss and degradation due to timber and oil palm industries; however, the rates and…”
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Pyrimidoindole derivatives are agonists of human hematopoietic stem cell self-renewal
Published in Science (American Association for the Advancement of Science) (19-09-2014)“…The small number of hematopoietic stem and progenitor cells in cord blood units limits their widespread use in human transplant protocols. We identified a…”
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Progressive forest canopy water loss during the 2012–2015 California drought
Published in Proceedings of the National Academy of Sciences - PNAS (12-01-2016)“…The 2012–2015 drought has left California with severely reduced snowpack, soil moisture, ground water, and reservoir stocks, but the impact of this estimated…”
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Quantifying forest canopy traits: Imaging spectroscopy versus field survey
Published in Remote sensing of environment (01-03-2015)“…Spatial and temporal information on plant functional traits are lacking in ecology, which limits our understanding of how plant communities and ecosystems are…”
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A General Solution for Unstable Boronic Acids: Slow-Release Cross-Coupling from Air-Stable MIDA Boronates
Published in Journal of the American Chemical Society (27-05-2009)“…Many boronic acids, including 2-heterocyclic, vinyl, and cyclopropyl derivatives, are inherently unstable, which can limit their benchtop storage and/or…”
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Adaptive bathymetry estimation for shallow coastal waters using Planet Dove satellites
Published in Remote sensing of environment (01-10-2019)“…Accurate bathymetric mapping of shallow waters (above 15 m) is essential for a wide range of scientific research, government, transport, and industry globally…”
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H3K79me2/3 controls enhancer–promoter interactions and activation of the pan-cancer stem cell marker PROM1/CD133 in MLL-AF4 leukemia cells
Published in Leukemia (01-01-2021)“…MLL gene rearrangements (MLLr) are a common cause of aggressive, incurable acute lymphoblastic leukemias (ALL) in infants and children, most of which originate…”
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High-throughput analysis of single hematopoietic stem cell proliferation in microfluidic cell culture arrays
Published in Nature methods (01-07-2011)“…A microfluidic setup for nanoliter-volume perfused clonal culture and imaging of thousands of nonadherent cells is applied to study signaling and proliferation…”
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Precise tuning of gene expression levels in mammalian cells
Published in Nature communications (18-02-2019)“…Precise, analogue regulation of gene expression is critical for cellular function in mammals. In contrast, widely employed experimental and therapeutic…”
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12
Large-scale climatic and geophysical controls on the leaf economics spectrum
Published in Proceedings of the National Academy of Sciences - PNAS (12-07-2016)“…Leaf economics spectrum (LES) theory suggests a universal trade-off between resource acquisition and storage strategies in plants, expressed in relationships…”
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13
Automated Global Shallow Water Bathymetry Mapping Using Google Earth Engine
Published in Remote sensing (Basel, Switzerland) (01-04-2021)“…Global shallow water bathymetry maps offer critical information to inform activities such as scientific research, environment protection, and marine…”
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14
A tale of two "forests": random forest machine learning AIDS tropical forest carbon mapping
Published in PloS one (28-01-2014)“…Accurate and spatially-explicit maps of tropical forest carbon stocks are needed to implement carbon offset mechanisms such as REDD+ (Reduced Deforestation and…”
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15
Analysis of Normal Human Mammary Epigenomes Reveals Cell-Specific Active Enhancer States and Associated Transcription Factor Networks
Published in Cell reports (Cambridge) (15-11-2016)“…The normal adult human mammary gland is a continuous bilayered epithelial system. Bipotent and myoepithelial progenitors are prominent and unique components of…”
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Operational Tree Species Mapping in a Diverse Tropical Forest with Airborne Imaging Spectroscopy
Published in PloS one (08-07-2015)“…Remote identification and mapping of canopy tree species can contribute valuable information towards our understanding of ecosystem biodiversity and function…”
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17
Decoupling tRNA promoter and processing activities enables specific Pol-II Cas9 guide RNA expression
Published in Nature communications (02-04-2019)“…Spatial/temporal control of Cas9 guide RNA expression could considerably expand the utility of CRISPR-based technologies. Current approaches based on tRNA…”
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Altered microRNA expression links IL6 and TNF-induced inflammaging with myeloid malignancy in humans and mice
Published in Blood (18-06-2020)“…Aging is associated with significant changes in the hematopoietic system, including increased inflammation, impaired hematopoietic stem cell (HSC) function,…”
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Discovery of a CD10-negative B-progenitor in human fetal life identifies unique ontogeny-related developmental programs
Published in Blood (26-09-2019)“…Human lymphopoiesis is a dynamic lifelong process that starts in utero 6 weeks postconception. Although fetal B-lymphopoiesis remains poorly defined, it is key…”
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Forest canopy gap distributions in the southern Peruvian Amazon
Published in PloS one (15-04-2013)“…Canopy gaps express the time-integrated effects of tree failure and mortality as well as regrowth and succession in tropical forests. Quantifying the size and…”
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