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Administration of 5-methoxyindole-2-carboxylic acid that potentially targets mitochondrial dihydrolipoamide dehydrogenase confers cerebral preconditioning against ischemic stroke injury.
The objective of this study was to investigate a possible role of mitochondrial dihydrolipoamide dehydrogenase (DLDH) as a chemical preconditioning target for neuroprotection against ischemic injury. We used 5-methoxyindole-2-carboxylic acid (MICA), a reportedly reversible DLDH inhibitor, as the preconditioning agent and administered MICA to rats mainly via dietary intake. Upon completion of 4 week's MICA treatment, rats underwent 1h transient ischemia and 24h reperfusion followed by tissue collection. Our results show that MICA protected the brain against ischemic stroke injury as the infarction volume of the brain from t...
Source: Free Radical Biology and Medicine - October 7, 2017 Category: Biology Authors: Wu J, Li R, Li W, Ren M, Thangthaeng N, Sumien N, Liu R, Yang S, Simpkins JW, Forster MJ, Yan LJ Tags: Free Radic Biol Med Source Type: research

Mediterranean-style diet may lower women's stroke risk
(University of East Anglia) Following a Mediterranean-style diet may reduce stroke risk in women over 40 but not in men -- according to new research led by the University of East Anglia.A new report, published today in the American Heart Association's journal Stroke, reveals that a diet high in fish, fruit, vegetables, nuts and beans, and lower in meat and dairy, reduces stroke risk among white adults who are at high risk of cardiovascular disease.
Source: EurekAlert! - Biology - September 20, 2018 Category: Biology Source Type: news

Resolution of inflammation is disturbed in acute ischemic stroke with diabetes mellitus and rescued by resolvin D2 treatment
CONCLUSIONS: Our data demonstrate resolution of inflammation is impaired by DM in AIS patients, implicating a novel mechanism of un-resolved inflammation in DM-related AIS. Furthermore, RvD2 promotes inflammation resolution in macrophages/microglia and protects DM-related AIS, and may thus serve as a novel therapeutic target.PMID:35750271 | DOI:10.1016/j.freeradbiomed.2022.06.231
Source: Free Radical Biology and Medicine - June 24, 2022 Category: Biology Authors: Xin Tang Lan Liu Zhijuan Miao Jiawei Zhang Xiaolong Cai Bing-Qiao Zhao Gefei Chen Marianne Schultzberg Yuwu Zhao Xiuzhe Wang Source Type: research

Bigger is not better: cortisol-induced cardiac growth and dysfunction in salmonids RESEARCH ARTICLE
Ida B. Johansen, Erik Sandblom, Peter V. Skov, Albin Gräns, Andreas Ekström, Ida G. Lunde, Marco A. Vindas, Lili Zhang, Erik Höglund, Michael Frisk, Ivar Sjaastad, Göran E. Nilsson, and Oyvind Overli Stress and elevated cortisol levels are associated with pathological heart growth and cardiovascular disease in humans and other mammals. We recently established a link between heritable variation in post-stress cortisol production and cardiac growth in salmonid fish too. A conserved stimulatory effect of the otherwise catabolic steroid hormone cortisol is probably implied, but has to date not ...
Source: Journal of Experimental Biology - July 19, 2017 Category: Biology Authors: Johansen, I. B., Sandblom, E., Skov, P. V., Gräns, A., Ekström, A., Lunde, I. G., Vindas, M. A., Zhang, L., Höglund, E., Frisk, M., Sjaastad, I., Nilsson, G. E., Overli, O. Tags: RESEARCH ARTICLE Source Type: research

Statins are more effective for those who follow the Mediterranean diet
(Istituto Neurologico Mediterraneo Neuromed I.R.C.C.S.) For those who have already had a heart attack or a stroke, the combination of statins and Mediterranean Diet appears to be the most effective choice to reduce the risk of mortality, especially from cardiovascular causes. It is the result of an Italian study conducted at the I.R.C.C.S. Neuromed, Pozzilli, Italy on over 1,000 adults recruited in the Moli-sani Study, published in the International Journal of Cardiology.
Source: EurekAlert! - Biology - December 21, 2018 Category: Biology Source Type: news

An intricate interaction: dietary fatty acid intake influences hypertension risk
(Kanazawa University) Hypertension is an important public health problem that can lead to life-threatening cardiovascular events, including heart attack and stroke. Here, the relationship between dietary intake of n-6 fatty acids and hypertension, using blood pressure measurement and a diet history questionnaire. A Kanazawa University research team found that increased dietary intake of n-6 fatty acids positively impacted hypertension, but that this benefit was limited to individuals without impaired glucose tolerance.
Source: EurekAlert! - Biology - February 20, 2019 Category: Biology Source Type: news

Cardiac hypertrophy with obesity is augmented after pregnancy in C57BL/6 mice
ConclusionsThese results suggest that the combined effects of pregnancy and obesity augment cardiac hypertrophy and promote remodeling. The rising prevalence of CVD in premenopausal women may be attributed to an increased prevalence of women entering pregnancy with an overweight or obese BMI.
Source: Biology of Sex Differences - December 15, 2019 Category: Biology Source Type: research

Properties and reactivity of the folic acid and folate photoproduct 6-formylpterin
Free Radic Biol Med. 2021 May 6:S0891-5849(21)00283-5. doi: 10.1016/j.freeradbiomed.2021.05.002. Online ahead of print.ABSTRACTFolates (vitamin B9) are essential components of our diet and our gut microbiota. They are omnipresent in our cells and blood. Folates are necessary for DNA synthesis, methylation, and other vital bioprocesses. Folic acid (FA), as the synthetic form of folates, is largely found in supplements and fortified foods. FA and folate drugs are also extensively used as therapeutics. Therefore, we are continuously exposed to the pterin derivatives, and their photo-degradation products, such as 6-formylpteri...
Source: Free Radical Biology and Medicine - May 9, 2021 Category: Biology Authors: Goossens Jean-Fran çois Xavier Thuru Christian Bailly Source Type: research

Sex differences in hearing impairment due to diet-induced obesity in CBA/Ca mice
ConclusionsFemale mice are more resistant to the negative effects of an HFD on body weight, metabolism, and hearing. Females showed increased peripheral and intra-cochlear adiponectin and AdipoR1 levels, and HC ribbon synapses. These changes may mediate resistance to HFD-induced hearing loss seen in female mice.
Source: Biology of Sex Differences - February 21, 2023 Category: Biology Source Type: research