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J Extracell Vesicles 2021 Feb 18;10(4):e12068. Epub 2021 Feb 18.

Department of Orthopedics Southwest Hospital Third Military Medical University Chongqing 400038 China.

Extracellular vesicles (EVs) play critical roles in regulating bone metastatic microenvironment through mediating intercellular crosstalks. However, little is known about the contribution of EVs derived from cancer cells to the vicious cycle of bone metastasis. Here, we report a direct regulatory mode between tumour cells and osteoclasts in metastatic niche of prostate cancer via vesicular miRNAs transfer. Read More

eNeuro 2021 Mar 3. Epub 2021 Mar 3.

Department of Physiology, Hokkaido University School of Medicine, Sapporo 060-8638, Japan

The motor thalamus relays signals from subcortical structures to the motor cortical areas. Previous studies in songbirds and rodents suggest that cortical feedback inputs crucially contribute to the generation of movement-related activity in the motor thalamus. In primates, however, it remains uncertain whether the corticothalamic projections may play a role in shaping neuronal activity in the motor thalamus. Read More

Neurology 2021 Mar 2. Epub 2021 Mar 2.

Department of Neurology, Otto-von-Guericke University, Magdeburg, Germany.

Objective: Cerebral microbleeds (MBs) are a common finding in cerebral small vessel disease (CSVD) and Alzheimer's disease patients as well as in healthy elderly people, but their pathophysiology remains unclear. To investigate a possible role of veins in the development of MBs, we performed an exploratory study, assessing in vivo presence of MBs with a direct connection to a vein.

Methods: 7 Tesla (7 T) MRI was conducted and MBs were counted on Quantitative Susceptibility Mapping (QSM). Read More

Psychol Med 2021 Mar 3:1-11. Epub 2021 Mar 3.

Department of Medical Genetics, Oslo University Hospital, Oslo, Norway.

Abstract.

Background: Altered expression of the complement component C4A gene is a known risk factor for schizophrenia. Further, predicted brain C4A expression has also been associated with memory function highlighting that altered C4A expression in the brain may be relevant for cognitive and behavioral traits. Read More

Front Hum Neurosci 2021 10;15:606292. Epub 2021 Feb 10.

Department of Psychology, Renmin University of China, Beijing, China.

Our prior research demonstrated that the right temporoparietal junction (rTPJ) exerted a modulatory role in ingroup bias in emotional mimicry. In this study, two experiments were conducted to further explore whether the rTPJ is a neural region for emotional mimicry or for the modulation of emotional mimicry by group membership in a sham-controlled, double-blinded, between-subject design. Both experiments employed non-invasive transcranial direct current stimulation (tDCS) to temporarily change the cortical excitability over the rTPJ and facial electromyography (fEMG) to measure facial muscle activations as an index of emotional mimicry. Read More