User profiles for N. Karp

Natasha Karp

Principal Scientist - Statistician, AstraZenea
Verified email at astrazeneca.com
Cited by 15395

Reproducibility of animal research in light of biological variation

…, W Forstmeier, J Gurevitch, I Jaric, NA Karp… - Nature Reviews …, 2020 - nature.com
Context-dependent biological variation presents a unique challenge to the reproducibility of
results in experimental animal research, because organisms’ responses to experimental …

[HTML][HTML] Reproducibility and replicability of rodent phenotyping in preclinical studies

…, R Heller, F Iraqi, I Jaljuli, NA Karp… - Neuroscience & …, 2018 - Elsevier
… This “genetic standardization” enables experimental designs that would be impossible using
outbred animals or humans (monozygotic twins represent n = 2, a sample size that imposes …

The ARRIVE guidelines 2.0: Updated guidelines for reporting animal research

…, ST Holgate, DW Howells, NA Karp… - Journal of Cerebral …, 2020 - journals.sagepub.com
… For each analysis, report the exact value of n in each experimental group. … Percie du Sert N,
Ahluwalia A, Alam S, Avey MT, Baker M, Browne WJ, et al. Reporting animal research: … Karp

[HTML][HTML] Mouse large-scale phenotyping initiatives: Overview of the European mouse disease clinic (EUMODIC) and of the Wellcome Trust Sanger Institute Mouse …

…, S Greenaway, R Houghton, N Karp… - Mammalian …, 2012 - Springer
… They used standardized procedures to generate mutant loci for genes of interest in B6 N ES
… Furthermore, the ES cell resources were based on B6 N ES cells; this allows the generation …

Lengthening the human mandible by gradual distraction

JG McCarthy, J Schreiber, N Karp… - Plastic and …, 1992 - journals.lww.com
: Lengthening of the mandible by gradual distraction was performed on four young patients (average
age 78 months). The amount of mandibular bone lengthening ranged from 18 to 24 …

[HTML][HTML] Reporting animal research: Explanation and elaboration for the ARRIVE guidelines 2.0

…, ST Holgate, DW Howells, V Hurst, NA Karp… - PLoS …, 2020 - journals.plos.org
… ‘The present study used the tissues collected at E15.5 from dams fed the 1X choline and
4X choline diets (n = 3 dams per group, per fetal sex; total n = 12 dams). To ensure statistical …

Mitochondrial dysfunction in schizophrenia: evidence for compromised brain metabolism and oxidative stress

…, T Freeman, F Dudbridge, KS Lilley, NA Karp… - Molecular …, 2004 - nature.com
… Drug-näive schizophrenia patients are denoted by ** (n=7), while minimally treated patients
are marked by * (<6000 lifetime fluphenazine units; n=4). Note that the schizophrenia group …

[HTML][HTML] Genome-wide generation and systematic phenotyping of knockout mice reveals new roles for many genes

JK White, AK Gerdin, NA Karp, E Ryder, M Buljan… - Cell, 2013 - cell.com
Mutations in whole organisms are powerful ways of interrogating gene function in a realistic
context. We describe a program, the Sanger Institute Mouse Genetics Project, that provides …

[HTML][HTML] Circadian orchestration of the hepatic proteome

AB Reddy, NA Karp, ES Maywood, EA Sage, M Deery… - Current Biology, 2006 - cell.com
… a clear 24 hr cycle in liver from wild-type animals (n = 6 per time point), with protein levels
peaking in the … All data aree plotted as the mean +SEM (n = 3 for proteins, n = 6 for mRNA). …

[HTML][HTML] Addressing accuracy and precision issues in iTRAQ quantitation

NA Karp, W Huber, PG Sadowski, PD Charles… - Molecular & Cellular …, 2010 - ASBMB
iTRAQ (isobaric tags for relative or absolute quantitation) is a mass spectrometry technology
that allows quantitative comparison of protein abundance by measuring peak intensities of …