Selenium prevents cognitive decline and oxidative damage

by Romeo Mariano, MD (February 7, 2010)

Selenium prevents cognitive decline and oxidative damage in rat model of streptozotocin-induced experimental dementia of Alzheimer’s type. Brain Res. 2009 Jul 24;1281:117-27. Epub 2009 Apr 15. Ishrat T, Parveen K, Khan MM, Khuwaja G, Khan MB, Yousuf S, Ahmad A, Shrivastav P, Islam F. Department of Medical Elementology and Toxicology, Neurotoxicology Laboratory, Jamia Hamdard (Hamdard [...]

Pergolide Reduces Cognitive Deficits Associated with Schizotypal Personality Disorder

by Romeo Mariano, MD (February 6, 2010)

Pergolide Treatment of Cognitive Deficits Associated with Schizotypal Personality Disorder: Continued Evidence of the Importance of the Dopamine System in the Schizophrenia Spectrum. Neuropsychopharmacology. 2010 Feb 3; Authors: McClure MM, Harvey PD, Goodman M, Triebwasser J, New A, Koenigsberg HW, Sprung LJ, Flory JD, Siever LJ Cognitive deficits observed in schizophrenia are also frequently found [...]

Supressing HPA Axis Activity via Exogenous Cortisol Enhances Aggressive Behavior in Females, but not in Males.

by Romeo Mariano, MD (February 6, 2010)

Exogenous cortisol enhances aggressive behavior in females, but not in males. Psychoneuroendocrinology. 2010 Feb 1; Böhnke R, Bertsch K, Kruk MR, Richter S, Naumann E The hypothalamic-pituitary-adrenal (HPA) axis plays a major role in the development, elicitation, and enhancement of aggressive behavior in animals. Increasing evidence suggests that this is also true for humans. Here, [...]

Omega-3 Fatty Acids for Prevention of Psychotic Disorders

by Romeo Mariano, MD (February 6, 2010)

Long-Chain {omega}-3 Fatty Acids for Indicated Prevention of Psychotic Disorders: A Randomized, Placebo-Controlled Trial. Arch Gen Psychiatry. 2010 Feb;67(2):146-54 Amminger GP, Schäfer MR, Papageorgiou K, Klier CM, Cotton SM, Harrigan SM, Mackinnon A, McGorry PD, Berger GE CONTEXT: The use of antipsychotic medication for the prevention of psychotic disorders is controversial. Long-chain omega-3 (omega-3) polyunsaturated [...]

Stress Leads to Long-Term Reduction in Corticosteroid Sensitivity in the Hippocampus

by Romeo Mariano, MD (February 6, 2010)

Primate Early Life Stress Leads to Long-Term Mild Hippocampal Decreases in Corticosteroid Receptor Expression. Biol Psychiatry. 2010 Feb 2; Arabadzisz D, Diaz-Heitjz R, Knuesel I, Weber E, Pilloud S, Dettling AC, Feldon J, Law AJ, Harrison PJ, Pryce CR BACKGROUND: Expression of mineralocorticoid receptor (MR) and glucocorticoid receptor (GR) genes are moderately reduced in several [...]

Blueberry Juice May Boost Memory

by Romeo Mariano, MD (January 27, 2010)

Blueberry Juice May Boost Memory (Via WebMD Health.) ———- Blueberry Supplementation Improves Memory in Older Adults J Agric Food Chem. 2010 Jan 4. [Epub ahead of print] Krikorian R, Shidler MD, Nash TA, Kalt W, Vinqvist-Tymchuk MR, Shukitt-Hale B, Joseph JA. The prevalence of dementia is increasing with expansion of the older adult population. In [...]

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Inability to sustain positive emotion in Major Depression reflects failure to maintain Nucleus Accumbens activity

by Romeo Mariano, MD (January 27, 2010)

Reduced capacity to sustain positive emotion in major depression reflects diminished maintenance of fronto-striatal brain activation.: “ Proc Natl Acad Sci U S A. 2009 Dec 29;106(52):22445-50 Authors: Heller AS, Johnstone T, Shackman AJ, Light SN, Peterson MJ, Kolden GG, Kalin NH, Davidson RJ Anhedonia, the loss of pleasure or interest in previously rewarding stimuli, [...]

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Brain Scan for Post-Traumatic Stress Disorder

by Romeo Mariano, MD (January 27, 2010)

Brain Scan Offers First Biological Test in Diagnosis of Post-Traumatic Stress Disorder Scientific American – Psychiatry 1/22/10 Carina Storrs The synchronous neural interactions test as a functional neuromarker for post-traumatic stress disorder (PTSD): a robust classification method based on the bootstrap. J Neural Eng. 2010 Feb;7(1):16011. Epub 2010 Jan 20. Georgopoulos AP, Tan HR, Lewis [...]

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Reduction in CRF Receptor type 1 expression in the Amygdala reduces Anxiety

by Romeo Mariano, MD (January 22, 2010)

The anxiolytic effect of environmental enrichment is mediated via amygdalar CRF receptor type 1. Mol Psychiatry. 2010 Jan 19; Authors: Sztainberg Y, Kuperman Y, Tsoory M, Lebow M, Chen A Environmental enrichment (EE) is known to have an anxiolytic effect in several animal models; however, the molecular mechanisms underlying these behavioral changes are not understood. [...]

CRF stimulates Pancreatic Beta Cell Insulin Secretion and Beta Cell Proliferation

by Romeo Mariano, MD (January 22, 2010)

CRFR1 is expressed on pancreatic beta cells, promotes beta cell proliferation, and potentiates insulin secretion in a glucose-dependent manner. Proc Natl Acad Sci U S A. 2010 Jan 12;107(2):912-7 Authors: Huising MO, van der Meulen T, Vaughan JM, Matsumoto M, Donaldson CJ, Park H, Billestrup N, Vale WW Corticotropin-releasing factor (CRF), originally characterized as the [...]

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