Research Topics
Species | E D LephartSummaryAffiliation: Brigham Young University Country: USA Publications
| Collaborators
|
Detail Information
Publications
Equol an isoflavonoid: potential for improved prostate health, in vitro and in vivo evidenceTrent D Lund
Stoelting Co, Wood Dale, IL 60191, USA
Reprod Biol Endocrinol 9:4. 2011....
Influences of dietary soy isoflavones on metabolism but not nociception and stress hormone responses in ovariectomized female ratsLihong Bu
Physiology and Developmental Biology Department, Neuroscience Center, Brigham Young University, Provo, Utah 84602, USA
Reprod Biol Endocrinol 3:58. 2005..Isoflavones, the most abundant phytoestrogens in soy foods, are structurally similar to 17beta-estradiol. Few studies have examined the nociception and stress hormone responses after consumption of soy isoflavones...
Diets high in selenium and isoflavones decrease androgen-regulated gene expression in healthy rat dorsolateral prostateRussell L Legg
Department of Nutrition, Dietetics and Food Science, Brigham Young University, Provo, UT 84602, USA
Reprod Biol Endocrinol 6:57. 2008..These components each affect androgen-regulated gene expression. The objective of this work was to determine the combined effects of selenium and isoflavones on androgen-regulated gene expression in rat prostate...
Androgen receptor expression in the rat prostate is down-regulated by dietary phytoestrogensTrent D Lund
Department of Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
Reprod Biol Endocrinol 2:5. 2004..Proliferation of prostate cells is, at least in part, under control of estrogen receptor beta (ER-beta). Phytoestrogens bind ER-beta with high affinity and therefore may have antiproliferative effects in the prostate...
Timing of supplementation of selenium and isoflavones determines prostate cancer risk factor reduction in ratsJessica R Tolman
Department of Nutrition, Dietetics and Food Science, Brigham Young University, Provo, Utah 84602, USA
Nutr Metab (Lond) 5:31. 2008..We tested whether combined supplementation of these two dietary components would reduce prostate cancer risk factors in rats more than supplementation of each component individually...
Neuromodulation by soy diets or equol: anti-depressive & anti-obesity-like influences, age- & hormone-dependent effectsCrystal Blake
Department of Physiology and Developmental Biology and the Neuroscience Center, Brigham Young University, Provo, Utah 84602, USA
BMC Neurosci 12:28. 2011....
AVPV neurons containing estrogen receptor-beta in adult male rats are influenced by soy isoflavonesLihong Bu
Physiology and Developmental Biology Department and Neuroscience Center Brigham Young University, Provo, UT, USA
BMC Neurosci 8:13. 2007..Therefore, in this study, we examined the influence of dietary soy isoflavones on apoptosis in AVPV of 150 day-old male rats fed either a soy isoflavone-free diet (Phyto-free) or a soy isoflavone-rich diet (Phyto-600)...
Brain androgen and progesterone metabolizing enzymes: biosynthesis, distribution and functionE D Lephart
Neuroscience Center, Brigham Young University, 633 WIDB, Provo, UT 84602, USA
Brain Res Brain Res Rev 37:25-37. 2001..a low phytoestrogen diet on visual spatial memory in male and female rats is presented...
Neuroendocrine regulation of sexually dimorphic brain structure and associated sexual behavior in male rats is genetically controlledE D Lephart
Neuroscience Center, 633 WIDB, Brigham Young University, Provo, UT 84602, USA
Biol Reprod 64:571-8. 2001..e., structure) and reproductive hormone patterns and mating behavior (i.e., function) of WF/NCr versus NB/Cr males is regulated by potentially E2-mediated mechanisms that are genetically controlled...
Phytoestrogens decrease brain calcium-binding proteins but do not alter hypothalamic androgen metabolizing enzymes in adult male ratsE D Lephart
Neuroscience Center, 633 WIDB, Brigham Young University, Provo, UT 84602, USA
Brain Res 859:123-31. 2000....
Neurobehavioral effects of dietary soy phytoestrogensEdwin D Lephart
Neuroscience Center, 633 WIDB, Brigham Young University, Provo, UT 86402, USA
Neurotoxicol Teratol 24:5-16. 2002....
Maternal separation: hypothalamic-preoptic area and hippocampal calbindin-D28K and calretinin in male and female infantile ratsE D Lephart
Department of Zoology, Brigham Young University, Provo, UT 84602, USA
Neurosci Lett 267:41-4. 1999....
Altered sexually dimorphic nucleus of the preoptic area (SDN-POA) volume in adult Long-Evans rats by dietary soy phytoestrogensT D Lund
The Neuroscience Center, Brigham Young University, Provo, UT 84602, USA
Brain Res 914:92-9. 2001..These data suggest that consumption of phytoestrogens via a soy diet, significantly: (1) decreases body and prostate weight, (2) delays puberty onset, and (3) alters SDN-POA volumes during adulthood...
Manipulation of prenatal hormones and dietary phytoestrogens during adulthood alter the sexually dimorphic expression of visual spatial memoryT D Lund
The Neuroscience Center Brigham Young University, Provo, Utah 84602, USA
BMC Neurosci 2:21. 2001..Additionally, the influence of dietary soy phytoestrogens (i.e., the presence of high or low estrogen-like compounds present in the animal's diet) on VSM was examined in combination with the prenatal hormonal manipulations...
Visual spatial memory is enhanced in female rats (but inhibited in males) by dietary soy phytoestrogensT D Lund
The Neuroscience Center Brigham Young University, Provo, Utah 84602, USA
BMC Neurosci 2:20. 2001..Additionally, brain phytoestrogen, calbindin (CALB), and cyclooxygenase-2 (COX-2) levels were determined...
Maternal and perinatal brain aromatase: effects of dietary soy phytoestrogensK S Weber
633 WIDB, Neuroscience Center, Brigham Young University, Provo, UT 84602, USA
Brain Res Dev Brain Res 126:217-21. 2001..Dietary phytoestrogens, however, do not alter brain aromatase during pregnancy/lactation or perinatal development...
Dietary soy phytoestrogens produce anxiolytic effects in the elevated plus-mazeT D Lund
Neuroscience Center, Brigham Young University, Provo, UT 84602, USA
Brain Res 913:180-4. 2001..Phytoestrogens produced anxiolytic effects in both male and female Long-Evans rats. Additionally, phytoestrogens decreased body weight but increased consumption of food and/or water...
Dietary soy-phytoestrogens decrease testosterone levels and prostate weight without altering LH, prostate 5alpha-reductase or testicular steroidogenic acute regulatory peptide levels in adult male Sprague-Dawley ratsK S Weber
Neuroscience Center, Brigham Young University, Provo, Utah 86402, USA
J Endocrinol 170:591-9. 2001....
Dietary soy phytoestrogen effects on brain structure and aromatase in Long-Evans ratsE D Lephart
Neuroscience Center, Brigham Young University, Provo, UT 84602, USA
Neuroreport 12:3451-5. 2001..e. anteroventral periventricular nucleus; AVPV) in male, but not in female rats. Since most commercial animal diets contain significant concentrations of phytoestrogens their influence on brain structure should be considered...
Effects of testosterone and progesterone on brain 5alpha-reductase and aromatase in Long-Evans males and comparison of aromatase in Long-Evans vs. Sprague-Dawley ratsE D Lephart
Department of Psychology, Brigham Young University, Provo, UT 84602, USA
Brain Res 789:327-30. 1998..The activity in castrated S-D (but again, not in L-E) rats significantly decreased compared to control values. These data suggest that the absence of gonads does not decrease MBH-POA aromatase in adult L-E rats...
Relationship between sexual behavior and sexually dimorphic structures in the anterior hypothalamus in control and prenatally stressed male ratsR W Rhees
Department of Zoology, Brigham Young University, Provo, UT 84602, USA
Brain Res Bull 50:193-9. 1999..The results obtained in this study provide a strong positive relationship between sexual behavior and the morphology of the two sexually dimorphic structures measured...
Pre- or postnatal testosterone and flutamide effects on sexually dimorphic nuclei of the rat hypothalamusT D Lund
Department of Psychology, Brigham Young University, Provo, UT 84602, USA
Brain Res Dev Brain Res 120:261-6. 2000..The present findings establish that pre- or postnatal hormonal environments are crucial in influencing sexual morphology on the developing brain...
Dimorphic expression of calbindin-D28K in the medial basal hypothalamus from perinatal male and female ratsE D Lephart
Department of Zoology, Brigham Young University, Provo, UT 84602, USA
Brain Res Dev Brain Res 96:281-4. 1996..These data imply that androgens or other hormonal factors regulate MBH CALB expression which in turn may modulate sexually dimorphic brain structures by preventing cell loss during neuronal development...
Steroid hormone influence on brain calbindin-D(28K) in male prepubertal and ovariectomized ratsE B Stuart
Neuroscience Center, 633 WIDB, Brigham Young University, Provo, UT 84602, USA
Brain Res Dev Brain Res 129:125-33. 2001....
Developmental expression of calretinin in the medial basal hypothalamus and amygdala from male and female ratsE D Lephart
Department of Zoology, Brigham Young University, Provo, UT 84602, USA
Neurosci Res 28:269-73. 1997....
Inhibition of brain 5 alpha-reductase in pregnant rats: effects on enzymatic and behavioral activityE D Lephart
Department of Zoology, Brigham Young University, Provo, UT 84602, USA
Brain Res 739:356-60. 1996....
Effects of maternal separation during early postnatal development on male sexual behavior and female reproductive functionR W Rhees
Department of Zoology and Neuroscience Center, Brigham Young University, Provo, UT 84602, USA
Behav Brain Res 123:1-10. 2001..Thus, significant gender differences in response to Sep (during the dark phase of the circadian cycle) were observed in the paradigm used in the present study...
Estrogens and phytoestrogens: brain plasticity of sexually dimorphic brain volumesE D Lephart
The Neuroscience Center, 633 WIDB, Brigham Young University, Provo, UT 84602, USA
J Steroid Biochem Mol Biol 85:299-309. 2003..In summary, consumption of dietary phytoestrogens (estrogen mimics) can alter hormone-sensitive hypothalamic brain volumes in rodents during adulthood...
Effects of prenatal testosterone on sexual behavior, reproductive morphology and LH secretion in the female ratR W Rhees
Department of Zoology, Brigham Young University, Provo, Utah 84602, USA
Dev Neurosci 19:430-7. 1997....
Calbindin-D28k is regulated by adrenal steroids in hypothalamic tissue during prenatal developmentE D Lephart
Department of Zoology, Brigham Young University, Provo, UT 84062, USA
Brain Res Dev Brain Res 100:117-20. 1997..These data indicate that corticosterone regulates MBH CALB expression during prenatal development and CALB may be implicated in modulating the sexual differentiation of neural structures within the MBH during perinatal development...
Molecular aspects of brain aromatase cytochrome P450E D Lephart
Department of Zoology, Brigham Young University, Provo, UT 84602, U S A
J Steroid Biochem Mol Biol 61:375-80. 1997..However, further study is necessary to understand the molecular basis of this complex developmental pattern of brain P450arom expression...
