PMID- 21855175 OWN - NLM STAT- MEDLINE DCOM- 20120615 LR - 20211020 IS - 1558-1497 (Electronic) IS - 0197-4580 (Print) IS - 0197-4580 (Linking) VI - 33 IP - 4 DP - 2012 Apr TI - 3xTgAD mice exhibit altered behavior and elevated Abeta after chronic mild social stress. PG - 830.e1-12 LID - 10.1016/j.neurobiolaging.2011.07.005 [doi] AB - Chronic stress may be a risk factor for developing Alzheimer's disease (AD), but most studies of the effects of stress in models of AD utilize acute adverse stressors of questionable clinical relevance. The goal of this work was to determine how chronic psychosocial stress affects behavioral and pathological outcomes in an animal model of AD, and to elucidate underlying mechanisms. A triple-transgenic mouse model of AD (3xTgAD mice) and nontransgenic control mice were used to test for an affect of chronic mild social stress on blood glucose, plasma glucocorticoids, plasma insulin, anxiety, and hippocampal amyloid beta-particle (Abeta), phosphorylated tau (ptau), and brain-derived neurotrophic factor (BDNF) levels. Despite the fact that both control and 3xTgAD mice experienced rises in corticosterone during episodes of mild social stress, at the end of the 6-week stress period 3xTgAD mice displayed increased anxiety, elevated levels of Abeta oligomers and intraneuronal Abeta, and decreased brain-derived neurotrophic factor levels, whereas control mice did not. Findings suggest 3xTgAD mice are more vulnerable than control mice to chronic psychosocial stress, and that such chronic stress exacerbates Abeta accumulation and impairs neurotrophic signaling. CI - Published by Elsevier Inc. FAU - Rothman, Sarah M AU - Rothman SM AD - Laboratory of Neurosciences, National Institute on Aging, Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA. FAU - Herdener, Nathan AU - Herdener N FAU - Camandola, Simonetta AU - Camandola S FAU - Texel, Sarah J AU - Texel SJ FAU - Mughal, Mohamed R AU - Mughal MR FAU - Cong, Wei-Na AU - Cong WN FAU - Martin, Bronwen AU - Martin B FAU - Mattson, Mark P AU - Mattson MP LA - eng GR - Z01 AG000332-01/ImNIH/Intramural NIH HHS/United States GR - Z01 AG000331-01/ImNIH/Intramural NIH HHS/United States GR - T32 EY017203/EY/NEI NIH HHS/United States GR - Z01 AG000312-07/ImNIH/Intramural NIH HHS/United States GR - Z01 AG000330-01/ImNIH/Intramural NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Intramural DEP - 20110819 PL - United States TA - Neurobiol Aging JT - Neurobiology of aging JID - 8100437 RN - 0 (Amyloid beta-Peptides) RN - 0 (Amyloid beta-Protein Precursor) RN - 0 (Blood Glucose) RN - 0 (Brain-Derived Neurotrophic Factor) RN - 0 (Glucocorticoids) RN - 0 (Insulin) RN - 0 (PSEN1 protein, human) RN - 0 (Presenilin-1) RN - 0 (tau Proteins) SB - IM MH - Alzheimer Disease/blood/*complications/genetics/pathology MH - Amyloid beta-Peptides/*metabolism MH - Amyloid beta-Protein Precursor/genetics MH - Analysis of Variance MH - Animals MH - Anxiety/*etiology MH - Behavior, Animal/*physiology MH - Blood Glucose/metabolism MH - Brain-Derived Neurotrophic Factor/metabolism MH - Disease Models, Animal MH - Fasting MH - Glucocorticoids/blood MH - Hippocampus/pathology MH - Humans MH - Insulin/blood MH - Male MH - Mice MH - Mice, Inbred C57BL MH - Mice, Transgenic MH - Mutation/genetics MH - Presenilin-1/genetics MH - *Social Behavior MH - Stress, Psychological/*physiopathology MH - Time Factors MH - tau Proteins/genetics/metabolism PMC - PMC4074356 MID - NIHMS591346 COIS- Disclosure Statement The authors report no conflicts of interest. EDAT- 2011/08/23 06:00 MHDA- 2012/06/16 06:00 PMCR- 2014/06/28 CRDT- 2011/08/23 06:00 PHST- 2011/04/06 00:00 [received] PHST- 2011/06/30 00:00 [revised] PHST- 2011/07/08 00:00 [accepted] PHST- 2011/08/23 06:00 [entrez] PHST- 2011/08/23 06:00 [pubmed] PHST- 2012/06/16 06:00 [medline] PHST- 2014/06/28 00:00 [pmc-release] AID - S0197-4580(11)00272-7 [pii] AID - 10.1016/j.neurobiolaging.2011.07.005 [doi] PST - ppublish SO - Neurobiol Aging. 2012 Apr;33(4):830.e1-12. doi: 10.1016/j.neurobiolaging.2011.07.005. Epub 2011 Aug 19.