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Kelsey Johnson

Assistant Professor of Population and Public Health Sciences

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Email kelseyj3@usc.edu
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Publications

  • Maternal Physical Activity and Its Relationship to the Human Milk Metabolome and Infant Body Composition. J Clin Endocrinol Metab. 2025 Dec 18; 111(1):129-138.. View in PubMed
  • Gestational Diabetes, the Human Milk Metabolome, and Infant Growth and Adiposity. JAMA Netw Open. 2024 12 02; 7(12):e2450467.. View in PubMed
  • Human milk variation is shaped by maternal genetics and impacts the infant gut microbiome. Cell Genom. 2024 Oct 09; 4(10):100638.. View in PubMed
  • Human cytomegalovirus in breast milk is associated with milk composition and the infant gut microbiome and growth. Nat Commun. 2024 Jul 23; 15(1):6216.. View in PubMed
  • Assembly, stability, and dynamics of the infant gut microbiome are linked to bacterial strains and functions in mother’s milk. bioRxiv. 2024 Jan 28.. View in PubMed
  • Importance of human milk for infants in the clinical setting: Updates and mechanistic links. Nutr Clin Pract. 2023 Oct; 38 Suppl 2:S39-S55.. View in PubMed
  • Human Cytomegalovirus in breast milk is associated with milk composition, the infant gut microbiome, and infant growth. bioRxiv. 2023 Jul 19.. View in PubMed
  • Human milk variation is shaped by maternal genetics and impacts the infant gut microbiome. bioRxiv. 2023 Jan 25.. View in PubMed
  • Identifying rare variants inconsistent with identity-by-descent in population-scale whole-genome sequencing data. Methods Ecol Evol. 2022 Nov; 13(11):2429-2442.. View in PubMed
  • Gestational Diabetes Mellitus Is Associated with Differences in Human Milk Hormone and Cytokine Concentrations in a Fully Breastfeeding United States Cohort. Nutrients. 2022 Feb 04; 14(3).. View in PubMed
  • Maternal Dietary Intake of Total Fat, Saturated Fat, and Added Sugar Is Associated with Infant Adiposity and Weight Status at 6 mo of Age. J Nutr. 2021 08 07; 151(8):2353-2360.. View in PubMed
  • The relationship between circulating lipids and breast cancer risk: A Mendelian randomization study. PLoS Med. 2020 09; 17(9):e1003302.. View in PubMed
  • Signals of Variation in Human Mutation Rate at Multiple Levels of Sequence Context. Mol Biol Evol. 2019 05 01; 36(5):955-965.. View in PubMed
  • Patterns of shared signatures of recent positive selection across human populations. Nat Ecol Evol. 2018 04; 2(4):713-720.. View in PubMed
  • Without gills: localization of osmoregulatory function in the copepod Eurytemora affinis. Physiol Biochem Zool. 2014 Mar-Apr; 87(2):310-24.. View in PubMed
  • Feasting in fresh water: impacts of food concentration on freshwater tolerance and the evolution of food × salinity response during the expansion from saline into fresh water habitats. Evol Appl. 2013 Jun; 6(4):673-89.. View in PubMed

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