Roger Smith

ORCID: 0000-0003-4720-0280
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About
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Research Areas
  • Birth, Development, and Health
  • Stress Responses and Cortisol
  • Pregnancy and preeclampsia studies
  • Preterm Birth and Chorioamnionitis
  • Bone health and treatments
  • Reproductive System and Pregnancy
  • Neonatal Respiratory Health Research
  • Connective tissue disorders research
  • Medical Imaging and Pathology Studies
  • Neuroendocrine regulation and behavior
  • Gestational Diabetes Research and Management
  • Parathyroid Disorders and Treatments
  • Vitamin D Research Studies
  • Heterotopic Ossification and Related Conditions
  • Growth Hormone and Insulin-like Growth Factors
  • Global Maternal and Child Health
  • Adrenal Hormones and Disorders
  • Pregnancy-related medical research
  • Maternal Mental Health During Pregnancy and Postpartum
  • Bone health and osteoporosis research
  • Neuropeptides and Animal Physiology
  • Pregnancy and Medication Impact
  • Alkaline Phosphatase Research Studies
  • Child Nutrition and Water Access
  • Maternal and Perinatal Health Interventions

University of Newcastle Australia
2016-2025

Hunter Medical Research Institute
2016-2025

John Hunter Hospital
2015-2025

Wright-Patterson Air Force Base
2023-2025

Xi’an Jiaotong-Liverpool University
2025

United States Air Force
2022-2024

King's College Hospital
2024

Mater Mothers' Hospital
2001-2023

California Institute of Technology
2022

University of Canberra
2022

SZILAGYI, D. EMERICK M.D.; SMITH, ROGER F. ELLIOTT, JOSEPH P. VRANDECIC, MARIO M.D. Author Information

10.1097/00000658-197209000-00008 article EN Annals of Surgery 1972-09-01

SZILAGYI, D. EMERICK M.D.; ELLIOTT, JOSEPH P. HACEMAN, JOHN H. SMITH, ROGER F. DALL'OLMO, CARLO A. M.D. Author Information

10.1097/00000658-197309000-00002 article EN Annals of Surgery 1973-09-01

Szilacyi, D. Emeiuck M.D.; Smith, Roger F. Ijelwsso, Fiianklin J. M.U.; Jilliott, JOSKIIi R. Sllehhin, FllEDEHICK W. M.D. Author Information

10.1097/00000658-196610000-00014 article EN Annals of Surgery 1966-10-01

In human parturition, progesterone withdrawal and estrogen activation are not mediated by changes in levels. Instead, these events could be facilitated the responsiveness of myometrium to estrogens via PR ER expression. We hypothesized that functional occurs increased expression type A (PR-A), which suppresses responsiveness, myometrial ERalpha and/or ERbeta. To test this hypothesis we compared abundance mRNAs (assessed quantitative RT-PCR) encoding PR-A, PR-B, ERalpha, ERbeta nonlaboring (n...

10.1210/jcem.87.6.8609 article EN The Journal of Clinical Endocrinology & Metabolism 2002-06-01

10.1302/0301-620x.79b2.0790344b article EN Journal of Bone and Joint Surgery - British Volume 1997-03-01

Asthma during pregnancy is associated with a low birth weight, although the mechanisms contributing to this outcome remain unknown. The relationship between maternal asthma and its treatment, placental function, fetal sex, weight was examined establish effect of on growth. Glucocorticoid intake by women assessed throughout pregnancy. placenta collected after delivery, 11beta-hydroxysteroid dehydrogenase type 2 (11beta-HSD2) activity measured. Fetal cortisol estriol were measured in umbilical...

10.1164/rccm.200303-374oc article EN American Journal of Respiratory and Critical Care Medicine 2003-09-23

Estrogens produced by the placenta play a pivotal role in endocrine control of pregnancy and induce many key changes involved parturition. The placentae humans higher primates use C19 androgen dehydroepiandrosterone sulfate (DHEA-S) supplied fetal adrenals as principal substrate for estrogen synthesis. Thus, secretion androgens may be central to process primate timing human parturition also is correlated with placental CRH concentrations maternal circulation. Because mechanisms that regulate...

10.1210/jcem.83.8.5020 article EN The Journal of Clinical Endocrinology & Metabolism 1998-08-01

Clinical prediction of preterm delivery is largely ineffective, and the mechanism mediating progesterone (P) withdrawal estrogen activation at onset human labor unclear.Our objectives were to determine associations rates change circulating maternal CRH in midpregnancy with delivery, estriol (E3) concentrations late pregnancy, predelivery changes ratios E3, estradiol (E2), P.A cohort 500 pregnant women was followed from first antenatal visits during period 2000-2004 John Hunter Hospital, New...

10.1210/jc.2008-2257 article EN The Journal of Clinical Endocrinology & Metabolism 2009-03-04

Journal Article MYOPATHY, OSTEOMALACIA AND HYPERPARATHYROIDISM Get access ROGER SMITH, SMITH from the Medical and Neurological Units, University College Hospital Search for other works by this author on: Oxford Academic PubMed Google Scholar GERALD STERN Brain, Volume 90, Issue 3, September 1967, Pages 593–602, https://doi.org/10.1093/brain/90.3.593 Published: 01 1967

10.1093/brain/90.3.593 article EN Brain 1967-01-01
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