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Dietary genistein and 17 β-estradiol implants differentially influence locomotor and cognitive functions following transient focal ischemia in middle-aged ovariectomized rats at different lengths of estrogen deprivation
This study suggests that the neuroprotective effects of dietary genistein on motor and cognitive functions are distinctly influenced by the length of estrogen deprivation following focal ischemia. SIGNIFICANCE: There is an increasing postmenopausal population opting for homeopathic medicines for the management of menopausal symptoms due to the perceived distrust in estrogen use as hormone replacement. Basic and clinical studies support the notion that early, but not delayed, hormone replacement after menopause is beneficial. Furthermore, evidence suggests that delaying hormone replacement augments the detrimental, rather t...
Source: Hormones and Behavior - June 2, 2022 Category: Endocrinology Authors: Anthony Oppong-Gyebi Daniel Metzger Philip H Vann Nathalie Sumien Derek A Schreihofer Source Type: research

Reprint of: From the 90׳s to now: A brief historical perspective on more than two decades of estrogen neuroprotection.
This article is part of a Special Issue entitled SI:50th Anniversary Issue. PMID: 27317847 [PubMed - as supplied by publisher]
Source: Brain Research - June 14, 2016 Category: Neurology Authors: Engler-Chiurazzi EB, Singh M, Simpkins JW Tags: Brain Res Source Type: research

From the 90׳s to now: A brief historical perspective on more than two decades of estrogen neuroprotection.
This article is part of a Special Issue entitled SI:50th Anniversary Issue. PMID: 26740397 [PubMed - as supplied by publisher]
Source: Brain Research - December 29, 2015 Category: Neurology Authors: Engler-Chiurazzi EB, Singh M, Simpkins JW Tags: Brain Res Source Type: research

Periodic Estrogen Receptor-Beta Activation: A Novel Approach to Prevent Ischemic Brain Damage.
Abstract In women, the risk for cerebral ischemia climbs rapidly after menopause. At menopause, production of ovarian hormones; i.e., progesterone and estrogen, slowly diminishes. Estrogen has been suggested to confer natural protection to premenopausal women from ischemic stroke and some of its debilitating consequences. This notion is also strongly supported by laboratory studies showing that a continuous chronic 17β-estradiol (E2; a potent estrogen) regimen protects brain from ischemic injury. However, concerns regarding the safety of the continuous intake of E2 were raised by the failed translation to the cli...
Source: Neurochemical Research - June 7, 2014 Category: Neuroscience Authors: Cue L, Diaz F, Briegel KJ, Patel HH, Raval AP Tags: Neurochem Res Source Type: research

Could Antibodies or Hormones Slow Brain Damage from Alzheimer’s?
Scientists have discovered that certain antibodies may help slow the progression of Alzheimer’s disease. Dr. Patricia Salinas of University College London, UK, and her team focused on a protein called Dkk1, present in raised levels in the brains of people with Alzheimer’s disease. Using brain samples from mice, the team looked at the progressive disintegration of synapses in the hippocampus when exposed to a protein called amyloid-beta, thought to be central to the development of Alzheimer’s disease. “Synaptic loss mediated by amyloid-beta in early stages of the disease might contribute to cognitive...
Source: Psych Central - June 1, 2013 Category: Psychiatry Authors: Jane Collingwood Tags: Aging Alzheimer's Disorders General Seniors Abnormal Deposits Alzheimer S Disease Antibodies Brain Area Brain Damage Cognitive Decline Cognitive Impairments Disintegration Dr Patricia Dr Simon Hippocampus Journal Of Neurosc Source Type: news