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The relationship of carotid artery disease with mental and neurocognitive disorders
Psychiatriki. 2022 May 26. doi: 10.22365/jpsych.2022.083. Online ahead of print.ABSTRACTCarotid stenosis constitutes a common vascular disease that significantly affects cerebral blood flow and thus is associated with patients' cognitive functions. Carotid revascularization techniques [carotid endarterectomy (CEA) and carotid artery stenting (CAS)] may benefit cognition, though there are opposing findings, reporting an apparent decrement in cognitive function, no effect, or an apparent improvement after revascularization. A great number of studies are trying to evaluate the effect of carotid revascularization (CEA, CAS) on...
Source: Psychiatriki - May 27, 2022 Category: Psychiatry Authors: Christos Ch Liapis Source Type: research

CADASIL mutations sensitize the brain to ischemia via spreading depolarizations and abnormal extracellular potassium homeostasis
Cerebral autosomal dominant arteriopathy, subcortical infarcts, and leukoencephalopathy (CADASIL) is the most common monogenic form of small vessel disease characterized by migraine with aura, leukoaraiosis, strokes, and dementia. CADASIL mutations cause cerebrovascular dysfunction in both animal models and humans. Here, we showed that 2 different human CADASIL mutations (Notch3 R90C or R169C) worsen ischemic stroke outcomes in transgenic mice; this was explained by the higher blood flow threshold to maintain tissue viability compared with that in wild type (WT) mice. Both mutants developed larger infarcts and worse neurol...
Source: Journal of Clinical Investigation - April 15, 2022 Category: Biomedical Science Authors: Fumiaki Oka, Jeong Hyun Lee, Izumi Yuzawa, Mei Li, Daniel von Bornstaedt, Katharina Eikermann-Haerter, Tao Qin, David Y. Chung, Homa Sadeghian, Jessica L. Seidel, Takahiko Imai, Doga Vuralli, Rosangela M. Platt, Mark T. Nelson, Anne Joutel, Sava Sakadzic, Source Type: research

60 Years of Achievements by KSNM in Neuroimaging Research
Nucl Med Mol Imaging. 2022 Feb;56(1):3-16. doi: 10.1007/s13139-021-00727-1. Epub 2022 Jan 15.ABSTRACTNuclear medicine neuroimaging is able to show functional and molecular biologic abnormalities in various neuropsychiatric diseases. Therefore, it has played important roles in the clinical diagnosis and in research on the normal and pathological states of the brain. More than 400 outstanding studies have been conducted by Korean researchers over the past 60 years. In the 1990s, when multiheaded single-photon emission computed tomography (SPECT) scanners were first introduced in South Korea, stroke research using brain perfu...
Source: Molecular Medicine - February 21, 2022 Category: Molecular Biology Authors: Jae Seung Kim Hye Joo Son Minyoung Oh Dong Yun Lee Hae Won Kim Jungsu Oh Source Type: research

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