Research at SIU SOM
 
 
Research Profile - Lydia A. Arbogast  
   
Department/Division:     Email Address:
Physiology larbogast@siumed.edu
Office Location:     Location of Laboratory:
Life Science III, Rm 2077
Carbondale
  Life Science III, Rms 2015, 2025 Carbondale
Office Phone Number:     Laboratory Phone Number:
453-1856     453-8443
Willing to mentor medical students and / or residents? Yes
Research Interests: Neuroendocrinology, Reproductive Biology, Endocrinology, Catecholamines, Tyrosine Hydroxylase, Prolactin, Ovarian Steroids, Estradiol, Progesterone, Lactation, Hypothalamus,Phosphorylation, Gene Expression, Cell Signaling, Opioid Peptides
Techniques and Methodologies: RT-PCR, In situ hybridization, Ribonuclease protection assay, Plasmid Preparation, DNA cloning, Luciferase Reporter Assays, High Performance Liquid Chromatography for Catecholamines, Western Blot, Immunocytochemistry, Primary Neuronal Cultures, Neuronal Cell Line Cultures, Transfections, Radioimmunoassays, Confocal Microscopy, Phosphate Incorporation, Animal Surgery, Brain microdissection, Protein, DNA and RNA electrophoresis

Equipment:

Cell culture hood and incubators, Microscopes, Cryostat, Centrifuges, Water Baths, Spectrophotometer, Incubators, Confocal Laser Scanning Microscope (in Rm 2051)
Current Collaborators:
 
Current and Pending Awards:
Current
Prolactin Feedback to Hypothalamic Dopaminergic Neurons, PI, NIH
Opioid-Dopamine Interactions during Lactation, PI, NIH
Publications:    

Arbogast LA, Voogt JL. Prolactin (PRL) receptors are colocalized in dopaminergic neurons in fetal hypothalamic cell cultures: Effect of PRL on tyrosine hydroxylase activity. Endocrinology 138:3016-3023, 1997

Arbogast LA, Voogt JL. Endogenous opioid peptides contribute to suckling-induced prolactin release by suppressing tyrosine hydroxylase activity and mRNA levels in the tuberoinfundibular dopaminergic neurons. Endocrinology 139: 2857-2862, 1998

Arbogast LA, Shah GV, Voogt JL. 3‚,5‚ Cyclic adenosine monophosphate mediates the salmon calcitonin-induced increase in hypothalamic tyrosine hydroxylase activity. Endocrinology 140:3273-3281, 1999

Arbogast LA, Hyde, JF. Estradiol attenuates the forskolin-induced increase in hypothalamic tyrosine hydroxylase activity. Neuroendocrinology 71:219-227,2000

Arbogast LA. Calmodulin and a cyclic nucleotide protein kinase facilitate the prolactin-induced increase in tyrosine hydroxylase activity in tuberoinfundibular dopaminergic neurons Endocrine 16:105-112, 2001

Arbogast LA, Voogt JL. Progesterone induces dephosphorylation and inactivation of tyrosine hydroxylase in hypothalamic dopaminergic neurons. Neuroendocrinology 75:273-281, 2002
Nahi F, Arbogast LA. Prolactin modulates hypothalamic preproenkephalin, but not proopiomelanocortin, gene expression during lactation. Endocrine 20:115-122, 2003

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