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Identification of V2 Neuronal Receptive Field in Awake Monkey (2016-2-23)
A recent study published online on February16th in the Proceedings of the National Academy of Sciences demonstrated the fine spatial structure of neuronal receptive field (RF) in awake monkey secondary visual cortex (V2),using electrophysiological recording and computational modeling.
Transgenic Monkeys Overexpressing Human Mecp2 Gene Exhibit Autism-Like Behaviors and Germline Transmission (2016-1-26)
A recent study published in Nature demonstrated that transgenic monkeys overexpressing human autism-related gene MECP2 exhibited autism-like behaviors and germ-line transmission. This work was performed by researchers in Dr. QIU Zilong’s Lab and Dr. SUN Qiang’s team.
Behavior Selection Controlled by a Dopaminergic-Inhibitory Neural Circuit (2016-1-22)
In a article published online in NEURON on January 22, entitled "Visual Cue-Discriminative Dopaminergic Control of Visuomotor Transformation and Behavior Selection", Dr. DU Jiulin's lab identified a novel circuit mechanism through which behavior selection is controlled at the stage of visuomotor transformation by a visually responsive dopaminergic-inhibitory neural module.This work was carried out by YAO Yuanyuan, LI Xiaoquan, ZHANG Baibing and collaborators under the supervision of Dr. DU Jiulin. This work was carried out by YAO Yuanyuan, LI Xiaoquan, ZHANG Baibing and collaborators under the supervision of Dr. DU Jiulin.
2015 ION Annual Meeting (2016-1-4)
The 2015 ION Annual Meeting was held at the SIBS Lecture Hall from December 28th to 30th, 2015. Fifty-five ION researchers and new faculty members presented their recent works. Drs. Qiang Sun and Neng Gong reported their interesting findings on primate research. Dr. Qian Hu introduced the equipments and services of the Optical Imaging Facility. Prof. Poo gave a talk entitled “Brain science research in China”. The prizes for the best five presentations were awarded to Han Hou, Bai-Bing Zhang, Han-Fei Deng, Xin Jiang and Dan-Qian Liu.
Identifying Somatosensory Neuron Types by Single-Cell RNA-Sequencing and Functional Heterogeneity (2015-12-29)
Somatosensory neuron types were identified by high-coverage single-cell RNA-sequencing and functional heterogeneity, as reported on Dec. 22th in Cell Research. High-coverage single-cell RNA-sequencing was performed to identify neuron types by size-based hierarchical clustering. Physiological functions were determined by the responses of somatosensory neuron to peripheral stimuli recorded by in vivo patch clamp.
In vivo monitoring of dopamine release in a transparent brain (2015-11-20)
In a recent study, Dr. DU Jiulin’s lab found that Dopamine release can be evoked by a hedonic olfactory stimulus, monitored in real time, and traced to its circuit origin in the transparent brain of zebrafish larvae. This work demonstrated for the first time that sensory-evoked dopamine release can be successfully monitored in the brain of an awake small organism.
TRPC6 Specifically Inhibits Aβ Production (2015-11-20)
In a recent study, researchers at the Institute of Neuroscience, reported that Transient receptor potential canonical (TRPC) 6 blocked the interaction between APP and γ-secretase to specifically suppress Aβ production. TRPC6 specifically interacts with APP (C99), but not with Notch, and prevents C99 interaction with presenilin 1 (PS1), leading to inhibition of γ-secretase cleavage of APP and Aβ production. A fusion peptide derived from TRPC6 also reduced Aβ levels without affecting Notch cleavage.
Visit by a Delegation from the Brain Science Institute of the Korea Institute of Science and Technology (2015-11-9)
A Delegation from the Brain Science Institute of the Korea Institute of Science and Technology (KIST-BSI) visited ION on November 8, 2015. Members included Profs. Dennis Choi (Director General of KIST-BSI), Changjoon Justin Lee and Dongjin Kim.
Testicular xenografting shorten the reproduction cycle of transgenic monkeys (2015-9-17)
In a recent study, Dr. SUN Qiang’s research group successfully accelerated the sexual maturity of juvenile cynomolgus monkeys by testicular xenografting. Testicular tissues were obtained from one 14-month wild-type (WT) and one 27-month HA-hMeCP2-2a-GFP transgenic(Tg) monkey, and implanted subcutaneously in adult castrated nude mice.
Differentiating spine fate: a novel role of cadherin/catenin complex during spine pruning (2015-8-7)
In a recent study published online in Cell, Dr. YU Xiang’s research group demonstrated a novel mechanism through which the pruning and maturation of dendritic spines in the developing brain are coordinated by the cadherin/catenin cell adhesion complex.
2015 ION Mini-Symposium on Systems Neuroscience (2015-7-7)
The 2015 ION Mini-Symposium on Systems Neuroscience was held at the Institute of Neuroscience on July 4th, 2015. Profs. Jose Carmena (University of California, Berkeley, USA), Vikaas Sohal (University of California, San Francisco, USA), Nirao Shah University of California, San Francisco, USA ), Botond Roska (University of Basel, Switzerland) presented their recent findings. Prof. Muming Poo hosted this symposium. More than 160 researchers from ION attended this symposium.
Unraveling a novel signaling cascade determining dopamine transporter activity and its association with cocaine addiction (2015-7-7)
In a recent study, Dr. ZHOU Jiawei’s lab found that a Rho family GEF protein Vav2 is required for glial cell line-derived neurotrophic factor (GDNF) and its cognate receptor Ret-modulated DAT cell surface expression and transporter activity.
Reprogramming Study Reveals Single Transcription Factor Ascl1 Converts Astrocytes into Neurons in the Intact Brain (2015-6-26)
A recent study, published in the June 24th issue of the Journal of Neuroscience, demonstrated that expression of a single transcription factor efficiently induced astrocyte-to-neurons conversion in the intact brain. This work provides a novel approach to obtain functional neurons in the intact brain and a potential therapeutic solution for neural regeneration.
2015 ION Mini-Symposium on Glial Cell Development and Function (2015-6-24)
The 2015 ION Mini-Symposium on Glial Cell Development and Function was held at the Institute of Neuroscience on June 19th, 2015. Profs. Benjamin Deneen (Baylor College of Medicine, USA), Changjoon Justin Lee (Institute of Science & Technology, Korea), Masamitsu Iino (University of Tokyo, Japan), Marco Prinz (University of Freiburg, Germany) presented their recent findings.
BDNF acts as an autocrine factor in regulating dendrite development of newborn neurons in adult hippocampus (2015-6-13)
In a recent study, graduate student WANG Liang under the supervision of Dr. POO Mu-ming, examined the function of brain-derived neurotrophic factor (BDNF), which is expressed in adult-born GCs, in regulating their dendrite morphogenesis.
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