All Stories

  1. Intralipid Infusion to Fetal Sheep ( Ovis aries ) Promotes Differentiation and Lipid Accumulation of Adipose Tissues

    Article • The FASEB Journal, October 2025, Wiley

    Dr Sonnet S Jonker

  2. Slow-twitch oxidative myofiber proportions and capillary number per myofiber are reduced in growth-restricted fetal sheep

    Article • AJP Regulatory Integrative and Comparative Physiology, October 2025, American Physiological Society

    Dr Sonnet S Jonker

  3. Physiological response to fetal intravenous lipid emulsion in mid-gestation

    Article • Clinical Science, September 2025, Portland Press Ltd.

    Dr Sonnet S Jonker

  4. Myocardial Growth Response to Fetal Intralipid Infusion in Sheep

    Article • The FASEB Journal, August 2025, Wiley

    Dr Sonnet S Jonker

  5. Lipid exposure leads to metabolic dysfunction in fetal sheep cardiomyocytes

    Article • Physiological Reports, May 2025, Wiley

    Dr Sonnet S Jonker

  6. KNDy Neurons and the Control of the Gonadotropic Axis in the Midgestation Fetal Sheep

    Article • Endocrinology, March 2025, Endocrine Society

    Dr Sonnet S Jonker

  7. Enhanced myocardial perfusion in late gestation fetal lambs with impaired left ventricular inflow

    Article • The Journal of Physiology, January 2025, Wiley

    Dr Sonnet S Jonker

  8. Validation of reference genes for cardiac RT-qPCR studies spanning the fetal to adult period

    Article • MethodsX, December 2024, Elsevier

    Dr Sonnet S Jonker

  9. Sensitivity and activation of endoplasmic reticulum stress response and apoptosis in the perinatal sheep heart

    Article • AJP Heart and Circulatory Physiology, July 2024, American Physiological Society

    Dr Sonnet S Jonker

  10. Fetal cardiac troponin I levels decline toward birth in sheep

    Article • AJP Heart and Circulatory Physiology, June 2024, American Physiological Society

    Dr Sonnet S Jonker

  11. Physiological response to fetal intravenous lipid emulsion

    Article • Clinical Science, February 2024, Portland Press Ltd.

    Dr Sonnet S Jonker

  12. Thyroid hormone increases fatty acid use in fetal ovine cardiac myocytes

    Article • Physiological Reports, November 2023, Wiley

    Dr Sonnet S Jonker

  13. Augmenting workload drives T‐tubule assembly in developing cardiomyocytes

    Article • The Journal of Physiology, May 2023, Wiley

    Dr Sonnet S Jonker

  14. Coronary conductance in the normal development of sheep during the perinatal period

    Article • Physiological Reports, December 2022, Wiley

    Dr Sonnet S Jonker

  15. Changes in microvascular perfusion of heart and skeletal muscle in sheep around the time of birth

    Article • Quarterly Journal of Experimental Physiology and Cognate Medical Sciences, November 2022, Wiley

    Dr Sonnet S Jonker

  16. Anemic hypoxemia reduces myoblast proliferation and muscle growth in late-gestation fetal sheep

    Article • AJP Regulatory Integrative and Comparative Physiology, September 2021, American Physiological Society

    Dr Sonnet S Jonker

  17. Addressing structural racism within institutional bodies regulating research

    Article • Journal of Applied Physiology, June 2021, American Physiological Society

    Dr Sonnet S Jonker

  18. Reduced glucose-stimulated insulin secretion following a 1-wk IGF-1 infusion in late gestation fetal sheep is due to an intrinsic islet defect

    Article • AJP Endocrinology and Metabolism, June 2021, American Physiological Society

    Dr Sonnet S Jonker

  19. IGF-1 infusion to fetal sheep increases organ growth but not by stimulating nutrient transfer to the fetus

    Article • AJP Endocrinology and Metabolism, March 2021, American Physiological Society

    Dr Sonnet S Jonker

  20. Coronary growth and function in the fetal heart

    Article • The FASEB Journal, June 2020, Wiley

    Dr Sonnet S Jonker

  21. Growth of the fetal heart when the return of blood to the right side is increased

    Article • AJP Heart and Circulatory Physiology, May 2019, American Physiological Society

    Dr Sonnet S Jonker

  22. Scaling of cardiac morphology is interrupted by birth in the developing sheepOvis aries

    Article • Journal of Anatomy, April 2019, Wiley

    Dr Sonnet S Jonker

  23. Cardiac myocyte proliferation and maturation near term is inhibited by early gestation maternal testosterone exposure

    Article • AJP Heart and Circulatory Physiology, November 2018, American Physiological Society

    Dr Sonnet S Jonker

  24. Systemic arterial hypertension but not IGF-I treatment stimulates cardiomyocyte enlargement in neonatal lambs

    Article • AJP Regulatory Integrative and Comparative Physiology, November 2018, American Physiological Society

    Dr Sonnet S Jonker

  25. Role of adenosine signaling in coordinating cardiomyocyte function and coronary vascular growth in chronic fetal anemia

    Article • AJP Regulatory Integrative and Comparative Physiology, September 2018, American Physiological Society

    Dr Sonnet S Jonker

  26. Chronic anemic hypoxemia attenuates glucose-stimulated insulin secretion in fetal sheep

    Article • AJP Regulatory Integrative and Comparative Physiology, April 2017, American Physiological Society

    Dr Sonnet S Jonker

  27. Chronic anemic hypoxemia increases plasma glucagon and hepatic PCK1 mRNA in late-gestation fetal sheep

    Article • AJP Regulatory Integrative and Comparative Physiology, July 2016, American Physiological Society

    Dr Sonnet S Jonker

  28. Alternatives can present complex challenges

    Article • Lab Animal, April 2016, Springer Science + Business Media

    Dr Sonnet S Jonker

  29. Increased systolic load causes adverse remodeling of fetal aortic and mitral valves

    Article • AJP Regulatory Integrative and Comparative Physiology, December 2015, American Physiological Society

    Dr Sonnet S Jonker

  30. Factors controlling heart growth near birth

    Article • October 2015, Bioscientifica

    Dr Sonnet S Jonker

  31. How heart muscle cell growth is controlled near the time of birth

    Article • The FASEB Journal, July 2015, Federation of American Societies For Experimental Biology (FASEB)

    Dr Sonnet S Jonker

  32. Effects of chronic hypoxia on cardiac function measured by pressure-volume catheter in fetal chickens

    Article • AJP Regulatory Integrative and Comparative Physiology, April 2015, American Physiological Society

    Dr Sonnet S Jonker

  33. Theophylline Pharmacokinetics in Foetal Sheep: Maternal Metabolic Capacity is the Principal Driver

    Article • Basic & Clinical Pharmacology & Toxicology, March 2015, Wiley

    Dr Sonnet S Jonker

  34. Regulation of intramembranous absorption and amniotic fluid volume by constituents in fetal sheep urine

    Article • AJP Regulatory Integrative and Comparative Physiology, September 2013, American Physiological Society

    Dr Sonnet S Jonker

  35. Regulation of the cardiomyocyte population in the developing heart

    Article • Progress in Biophysics and Molecular Biology, July 2011, Elsevier

    Dr Sonnet S Jonker

  36. Transfusion Effects on Cardiomyocyte Growth and Proliferation in Fetal Sheep After Chronic Anemia

    Article • Pediatric Research, June 2011, Springer Science + Business Media

    Dr Sonnet S Jonker

  37. The effect of adrenalectomy on the cardiac response to subacute fetal anemia

    Article • Canadian Journal of Physiology and Pharmacology, February 2011, Canadian Science Publishing

    Dr Sonnet S Jonker

  38. Nitric Oxide and Fetal Coronary Regulation

    Article • Journal of Cardiac Surgery, July 2010, Wiley

    Dr Sonnet S Jonker

  39. Maturation of the angiotensin II cardiovascular response in the embryonic White Leghorn chicken (Gallus gallus)

    Article • Journal of Comparative Physiology B, May 2010, Springer Science + Business Media

    Dr Sonnet S Jonker

  40. Cardiomyocyte enlargement, proliferation and maturation during chronic fetal anaemia in sheep

    Article • Quarterly Journal of Experimental Physiology and Cognate Medical Sciences, October 2009, Wiley

    Dr Sonnet S Jonker

  41. Persistent changes in arterial blood gases in fetal sheep

    Article • Laboratory Animals, July 2008, SAGE Publications

    Dr Sonnet S Jonker

  42. Placental insufficiency decreases cell cycle activity and terminal maturation in fetal sheep cardiomyocytes

    Article • The Journal of Physiology, April 2007, Wiley

    Dr Sonnet S Jonker

  43. Myocyte enlargement, differentiation, and proliferation kinetics in the fetal sheep heart

    Article • Journal of Applied Physiology, March 2007, American Physiological Society

    Dr Sonnet S Jonker

  44. Sequential growth of fetal sheep cardiac myocytes in response to simultaneous arterial and venous hypertension

    Article • AJP Regulatory Integrative and Comparative Physiology, February 2007, American Physiological Society

    Dr Sonnet S Jonker

  45. Effects of intravascular infusions of plasma on placental and systemic blood flow in fetal sheep

    Article • AJP Heart and Circulatory Physiology, December 2006, American Physiological Society

    Dr Sonnet S Jonker

  46. Cortisol Stimulates Cell Cycle Activity in the Cardiomyocyte of the Sheep Fetus

    Article • Endocrinology, August 2006, Endocrine Society

    Dr Sonnet S Jonker

  47. Fetal Infusions of Plasma Cause an Increase in Umbilical Vascular Resistance in Sheep

    Article • Placenta, August 2006, Elsevier

    Dr Sonnet S Jonker

  48. Intravascular infusions of plasma into fetal sheep cause arterial and venous hypertension

    Article • Journal of Applied Physiology, September 2005, American Physiological Society

    Dr Sonnet S Jonker

  49. Anaemia Stimulates Aquaporin 1 Expression in the Fetal Sheep Heart

    Article • Quarterly Journal of Experimental Physiology and Cognate Medical Sciences, November 2003, Wiley

    Dr Sonnet S Jonker