Sonnet Jonker

Associate Professor

  • 525 Citations
  • 12 h-Index
20022019
If you made any changes in Pure, your changes will be visible here soon.

Research Output 2002 2019

  • 525 Citations
  • 12 h-Index
  • 32 Article
2019

Right ventricular remodeling in response to volume overload in fetal sheep

Karamlou, T., Giraud, G., McKeogh, D., Jonker, S., Shen, I., Ungerleider, R. M. & Thornburg, K., May 1 2019, In : American journal of physiology. Heart and circulatory physiology. 316, 5, p. H985-H991

Research output: Contribution to journalArticle

Ventricular Remodeling
Cardiac Myocytes
Sheep
Fetus
Heart Ventricles

Scaling of cardiac morphology is interrupted by birth in the developing sheep Ovis aries

Snelling, E. P., Seymour, R. S., Giussani, D. A., Fuller, A., Maloney, S. K., Farrell, A. P., Mitchell, D., George, K. P., Dzialowski, E. M., Jonker, S. & Wube, T., Jan 1 2019, In : Journal of Anatomy.

Research output: Contribution to journalArticle

Domestic Sheep
sheep
Sheep
body mass
Parturition
2018

A 1 week IGF-1 infusion decreases arterial insulin concentrations but increases pancreatic insulin content and islet vascularity in fetal sheep

White, A., Louey, S., Chang, E. I., Boehmer, B. H., Goldstrohm, D., Jonker, S. & Rozance, P. J., Sep 1 2018, In : Physiological Reports. 6, 17, e13840.

Research output: Contribution to journalArticle

Somatomedins
Sheep
Insulin
Fetus
Islets of Langerhans
Maternal Exposure
Cardiac Myocytes
Testosterone
Fetus
Pregnancy

IUGR impairs cardiomyocyte growth and maturation in fetal sheep

Jonker, S., Kamna, D., LoTurco, D., Kailey, J. & Brown, L. D., Nov 1 2018, In : Journal of Endocrinology. 239, 2, p. 253-265 13 p.

Research output: Contribution to journalArticle

Cardiac Myocytes
Sheep
Growth
cdc Genes
Placental Insufficiency
1 Citation (Scopus)
Cardiac Myocytes
Adenosine
Blood Vessels
Anemia
Heart Ventricles
Insulin-Like Growth Factor I
Cardiac Myocytes
Hypertension
Muscle Cells
Heart Ventricles
2017
7 Citations (Scopus)

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

Benjamin, J. S., Culpepper, C. B., Brown, L. D., Wesolowski, S. R., Jonker, S., Davis, M. A., Limesand, S. W., Wilkening, R. B., Hay, W. W. & Rozance, P. J., Apr 1 2017, In : American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 312, 4, p. R492-R500

Research output: Contribution to journalArticle

Sheep
Insulin
Fetus
Glucose
Oxygen
2016

Alternatives can present complex challenges

Jonker, S. & Ra'Anan, A., Apr 20 2016, In : Lab Animal. 45, 5, p. 161 1 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

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

Culpepper, C., Wesolowski, S. R., Benjamin, J., Bruce, J. L., Brown, L. D., Jonker, S., Wilkening, R. B., Hay, W. W. & Rozance, P. J., Jul 1 2016, In : American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 311, 1, p. R200-R208

Research output: Contribution to journalArticle

Glucagon
Sheep
Pregnancy
Messenger RNA
Fetus
14 Citations (Scopus)

Endocrine and other physiologic modulators of perinatal cardiomyocyte endowment

Jonker, S. & Louey, S., 2016, In : Journal of Endocrinology. 228, 1, p. R1-R18

Research output: Contribution to journalArticle

Financial Management
Cardiac Myocytes
Parturition
Rodentia
Sheep
2 Citations (Scopus)

Functional adaptations of the coronary microcirculation to anaemia in fetal sheep

Jonker, S., Davis, L., Soman, D., Belcik, J. T., Davidson, B. P., Atkinson, T. T., Wilburn, A., Louey, S., Giraud, G. & Lindner, J., Nov 1 2016, In : Journal of Physiology. 594, 21, p. 6165-6174 10 p.

Research output: Contribution to journalArticle

Microcirculation
Anemia
Sheep
Fetus
Hyperemia
2015
8 Citations (Scopus)

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

Jonker, S., Giraud, G., Espinoza, H. M., Davis, E. N. & Crossley, D. A., Apr 15 2015, In : American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 308, 8, p. R680-R689

Research output: Contribution to journalArticle

Chickens
Catheters
Pressure
Heart Rate
Excitation Contraction Coupling
Heart Valves
Fetal Development
Aortic Valve
Mitral Valve
Sheep
1 Citation (Scopus)

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

Dubois, B., Louey, S., Giraud, G., Cherala, G. & Jonker, S., Oct 1 2015, In : Basic and Clinical Pharmacology and Toxicology. 117, 4, p. 226-233 8 p.

Research output: Contribution to journalArticle

Pharmacokinetics
Theophylline
Sheep
Mothers
Fetus
22 Citations (Scopus)

Timing of cardiomyocyte growth, maturation, and attrition in perinatal sheep

Jonker, S., Louey, S., Giraud, G., Thornburg, K. & Faber, J. J., Oct 1 2015, In : FASEB Journal. 29, 10, p. 4346-4357 12 p.

Research output: Contribution to journalArticle

Cardiac Myocytes
Sheep
Muscle Cells
Parturition
Growth
2013
13 Citations (Scopus)
Amniotic Fluid
Sheep
Urine
Amnion
Active Biological Transport
2011
53 Citations (Scopus)

Regulation of the cardiomyocyte population in the developing heart

Thornburg, K., Jonker, S., O'Tierney, P., Chattergoon, N., Louey, S., Faber, J. & Giraud, G., Jul 2011, In : Progress in Biophysics and Molecular Biology. 106, 1, p. 289-299 11 p.

Research output: Contribution to journalArticle

Cardiac Myocytes
Atrial Natriuretic Factor
Population
Angiotensin II
Cell Cycle
7 Citations (Scopus)

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

Jonker, S., Scholz, T. D. & Segar, J. L., Feb 2011, In : Canadian Journal of Physiology and Pharmacology. 89, 2, p. 79-88 10 p.

Research output: Contribution to journalArticle

Adrenalectomy
Anemia
Proliferating Cell Nuclear Antigen
Cardiac Myocytes
Extracellular Signal-Regulated MAP Kinases
8 Citations (Scopus)

Transfusion effects on cardiomyocyte growth and proliferation in fetal sheep after chronic anemia

Jonker, S., Scholz, T. D. & Segar, J. L., Jun 2011, In : Pediatric Research. 69, 6, p. 485-490 6 p.

Research output: Contribution to journalArticle

Cardiac Myocytes
Anemia
Sheep
Growth
Fetus
2010
32 Citations (Scopus)

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

Jonker, S., Giraud, M. K., Giraud, G., Chattergoon, N., Louey, S., Davis, L., Faber, J. J. & Thornburg, K., Jan 2010, In : Experimental Physiology. 95, 1, p. 131-139 9 p.

Research output: Contribution to journalArticle

Cardiac Myocytes
Anemia
Sheep
Fetus
Tissue Expansion
15 Citations (Scopus)
Gallus gallus
angiotensin II
White Leghorn
Angiotensin II
maturation
2008
3 Citations (Scopus)

Persistent changes in arterial blood gases in fetal sheep

Jonker, S., Anderson, D., Davis, L., Yang, Q., Faber, J. J. & Giraud, G., Jul 2008, In : Laboratory Animals. 42, 3, p. 326-330 5 p.

Research output: Contribution to journalArticle

blood gases
halothane
Halothane
diazepam
ewes
2007
94 Citations (Scopus)

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

Jonker, S., Zhang, L., Louey, S., Giraud, G., Thornburg, K. & Faber, J. J., Mar 2007, In : Journal of Applied Physiology. 102, 3, p. 1130-1142 13 p.

Research output: Contribution to journalArticle

Fetal Heart
Muscle Cells
Sheep
Cardiac Myocytes
Growth
76 Citations (Scopus)
Placental Insufficiency
Cardiac Myocytes
Sheep
Cell Cycle
Fetus
43 Citations (Scopus)
Fetal Development
Cardiac Myocytes
Muscle Cells
Sheep
Hypertension
2006
75 Citations (Scopus)

Cortisol stimulates cell cycle activity in the cardiomyocyte of the sheep fetus

Giraud, G., Louey, S., Jonker, S., Schultz, J. & Thornburg, K., 2006, In : Endocrinology. 147, 8, p. 3643-3649 7 p.

Research output: Contribution to journalArticle

Cardiac Myocytes
Hydrocortisone
Sheep
Cell Cycle
Fetus
6 Citations (Scopus)
Sheep
Arterial Pressure
Fetal Proteins
Umbilical Arteries
Venous Pressure
6 Citations (Scopus)

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

Faber, J. J., Anderson, D., Jonker, S., Davis, L. & Giraud, G., Aug 2006, In : Placenta. 27, 8, p. 876-881 6 p.

Research output: Contribution to journalArticle

Umbilicus
Placental Circulation
Vascular Resistance
Sheep
Pressure
2005
12 Citations (Scopus)

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

Giraud, G., Faber, J. J., Jonker, S., Davis, L. & Anderson, D., Sep 2005, In : Journal of Applied Physiology. 99, 3, p. 884-889 6 p.

Research output: Contribution to journalArticle

Sheep
Fetus
Hypertension
Fetal Proteins
Venous Pressure
2003
18 Citations (Scopus)

Anaemia stimulates aquaporin 1 expression in the fetal sheep heart

Jonker, S., Davis, L., van der Bilt, J. D. W., Hadder, B., Hohimer, A. R., Giraud, G. & Thornburg, K., Nov 2003, In : Experimental Physiology. 88, 6, p. 691-698 8 p.

Research output: Contribution to journalArticle

Aquaporin 1
Fetal Heart
Anemia
Sheep
Fetus
2002
4 Citations (Scopus)

Nitric oxide and fetal coronary regulation

Thornburg, K., Jonker, S. & Reller, M., Jul 2002, In : Journal of Cardiac Surgery. 17, 4, p. 307-316 10 p.

Research output: Contribution to journalArticle

Adenosine
Nitric Oxide
Ventricular Function
Workflow
Microspheres