Faculty profile
Deborah O'Connor
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Read how they describe their research on their University of Toronto profile.
Latest papers
Effect of the Rate of Glucose Consumption on the Total Peroxyl Radical Trapping Antioxidant Potential (TRAP) of Plasma in Overweight Men and Women: A Randomized Trial.
Antioxidants (Basel, Switzerland) · 2026
Determining the interplay of prenatal parental BMI in shaping child BMI trajectories: the CHILD Cohort Study
International Journal of Obesity · 2025
Associations of maternal inflammatory states with human milk composition in mothers of preterm infants.
Frontiers in nutrition · 2023
Latest funding
- $2,000
Empowering Healthy Starts: Supporting Perinatal Nutrition among Families Affected by Health Inequities across Canada
CIHR · 2025 · Supervisor
- $898,875
High Pressure Processing of Donor Human Milk to Improve Fat Absorption in Preterm Infants (The HiPP Study)
CIHR · 2024 · Nominated PI
- $761,175
Addressing a Global Public Health Concern: Investigating the Impact of Ultra-Processed Food on the Development of Multimorbidity during Adolescence
CIHR · 2024 · Co-investigator
6 publications.
Effect of the Rate of Glucose Consumption on the Total Peroxyl Radical Trapping Antioxidant Potential (TRAP) of Plasma in Overweight Men and Women: A Randomized Trial.
Grant SM, Wolever TMS, Thompson A, Chiavaroli L, Seider M, Harvey A, Gray M, Darling P, O'Connor D, Josse RG, Mizier-Barre KA, Kitts D, Barre DE
Determining the interplay of prenatal parental BMI in shaping child BMI trajectories: the CHILD Cohort Study
Rossi A, Chen ZH, Ahmadiankalati M, Campisi SC, Reyna ME, Dempsey K, Jenkins D, O’Connor D, El-Sohemy A, Mandhane PJ
Associations of maternal inflammatory states with human milk composition in mothers of preterm infants.
Landau-Crangle E, O'Connor D, Unger S, Hopperton K, Somerset E, Nir H, Hoban R
The Antioxidant Capacity of Breast Milk and Plasma of Women with or without Gestational Diabetes Mellitus.
Churchill M, Zawawi H, Elisia I, Seider M, Noseworthy R, Thompson A, Glenn AJ, Ramdath DD, O'Connor D, Darling P, Wolever T, Barre DE, Feig DS, Kitts DD, Grant SM
Human donor milk for the vulnerable infant: a Canadian perspective.
Panczuk J, Unger S, O'Connor D, Lee SK
Circulating unmetabolized folic Acid: relationship to folate status and effect of supplementation.
Tam C, O'Connor D, Koren G
Empowering Healthy Starts: Supporting Perinatal Nutrition among Families Affected by Health Inequities across Canada
Principal investigators: Baxter, Jo-Anna
Keywords: Ics Travel Awards
High Pressure Processing of Donor Human Milk to Improve Fat Absorption in Preterm Infants (The HiPP Study)
Principal investigators: O'Connor, Deborah L; Pitino, Michael A; Unger, Sharon
Keywords: Donor Human Milk; Human Milk; Infant Nutrition; Pasteurization; Very Low Birth Weight Infant
Addressing a Global Public Health Concern: Investigating the Impact of Ultra-Processed Food on the Development of Multimorbidity during Adolescence
Principal investigators: Miliku, Kozeta
Keywords: Adolescence; Diet Trajectories; Gut Microbiota; Multimorbidity; Ultra-Processed Food
Optimizing Nutrition and Milk for the Very Preterm Infant-Gut Brain Axis (Opti-NuM Gut)
Principal investigators: O'Connor, Deborah L; Unger, Sharon
Keywords: Human Milk; Infant Nutrition; Microbiome; Very Low Birth Weight Infant
Trace element intakes and requirements for optimizing neurodevelopment of preterm infants
Principal investigators: Beggs, Megan
Keywords: Copper; Infant; Iodine; Manganese; Neurodevelopment; Nutrition; Preterm; Selenium; Trace Element; Zinc
Identifying the relationship between maternal micronutrient supplementation, body mass index, and dietary intake with breastmilk composition and infant growth
Principal investigators: Baxter, Jo-Anna
Keywords: Body Composition; Diet; Human Milk; Infant Growth; Lactation; Macronutrients; Micronutrients; Supplementation
Metabolic Analyzer for the study of live cells and tissue explants
Principal investigators: Beaudry, Jacqueline
Canada Research Chair - Tier 1
Principal investigators: O'Connor, Deborah L
Keywords: Crc
Individualized Fortification of Human Milk to Improve Neurodevelopment of Infants Born <1250 grams
Principal investigators: O'Connor, Deborah L; Unger, Sharon
Keywords: Human Milk; Individualized Fortification; Infant Nutrition; Neurodevelopment; Very Low Birthweight Infant
Impact of the Human Milk Microbiota and Oligosaccharides on the Microbial Colonization of Very Low Birth Weight Infants
Principal investigators: Shama, Sara
Keywords: Donor Human Milk; Gastrointestinal Health; Gut Microbiota; Human Milk; Human Milk Oligosaccharides; Infant Nutrition; Microbiome; Preterm Infants
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
- Padmaja Subbarao and Padmaja Subbarao: 228 shared papers
- Padmaja Subbarao and Kozeta Miliku: 46 shared papers
- Kozeta Miliku and Padmaja Subbarao: 27 shared papers
- Kozeta Miliku and Kozeta Miliku: 27 shared papers
- Padmaja Subbarao and Kozeta Miliku: 22 shared papers
- Padmaja Subbarao and Kozeta Miliku: 22 shared papers
- Padmaja Subbarao and Zihang Lu: 6 shared papers
- Padmaja Subbarao and Zihang Lu: 6 shared papers
- Kozeta Miliku and Zihang Lu: 3 shared papers
- Laura Chiavaroli and Ahmed El-Sohemy: 3 shared papers
- Deborah O'Connor and Sharon Unger: 2 shared papers
- Sharon Unger and Rebecca Hoban: 2 shared papers
- Padmaja Subbarao and Deborah O'Connor: 1 shared paper
- Padmaja Subbarao and Ahmed El-Sohemy: 1 shared paper
- Kozeta Miliku and Deborah O'Connor: 1 shared paper
- Kozeta Miliku and Ahmed El-Sohemy: 1 shared paper
- Deborah O'Connor and Padmaja Subbarao: 1 shared paper
- Deborah O'Connor and Gideon Koren: 1 shared paper
- Deborah O'Connor and Kozeta Miliku: 1 shared paper
- Deborah O'Connor and Rebecca Hoban: 1 shared paper
- Deborah O'Connor and Zihang Lu: 1 shared paper
- Deborah O'Connor and Laura Chiavaroli: 1 shared paper
- Deborah O'Connor and Ahmed El-Sohemy: 1 shared paper
- Department of Nutritional Sciences
- Nutritional Sciences
- Medicine
- Translational Medicine
- Epidemiology Division
- Pediatrics
- Public Health Sciences
- Other
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Sharon Unger
Translational Medicine
2 shared papers, latest 2023
Padmaja Subbarao
Epidemiology Division
1 shared papers, latest 2025
Gideon Koren
Faculty
1 shared papers, latest 2012
Kozeta Miliku
Nutritional Sciences
1 shared papers, latest 2025
Rebecca Hoban
Pediatrics
1 shared papers, latest 2023
Zihang Lu
Public Health Sciences
1 shared papers, latest 2025
Laura Chiavaroli
Nutritional Sciences
1 shared papers, latest 2026
Ahmed El-Sohemy
Department of Nutritional Sciences
1 shared papers, latest 2025
Padmaja Subbarao
Medicine
1 shared papers, latest 2025
Kozeta Miliku
Medicine
1 shared papers, latest 2025
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Profile data last refreshed on September 25, 2026 from the university directory, publication records and CIHR, NSERC and SSHRC funding.