Mのメモ

ポスドクの論文メモ。神経科学関連のツールに触れることが多め。

Gibson Assemblyの価格破壊(10$/mL)と、複数断片クローニング精度を4倍、効率を12倍にするTips

A Simple Enhancement for Gibson Isothermal Assembly Brian A Rabe and Constance Cepko bioRxiv, doi: https://doi.org/10.1101/2020.06.14.150979 【概要】 一本鎖DNA結合タンパクを付加すれば複数DNA断片でのGibson Assemblyの精度が4倍(80%!)、効率…

PhOTseq: Caイメージング結果に基づいて任意の細胞を標識し、RNA-seq (ただしまだex vivo、鋤鼻器)

Sensory coding mechanisms revealed by optical tagging of physiologically defined neuronal types Donghoon Lee, Maiko Kume, Timothy E. Holy Science, 13 Dec 2019: Vol. 366, Issue 6471, pp. 1384-1389 DOI: 10.1126/science.aax8055【概要】 GCaMP-…

四面体形のモノマーとクリックケミストリーで歪みの少ないExMを実現

A highly homogeneous expansion microscopy polymer composed of tetrahedron-like monomers Ruixuan Gao, Chih-Chieh (Jay) Yu, Linyi Gao, Kiryl D Piatkevich, Rachael L Neve , Srigokul Upadhyayula & Edward S Boyden bioRxiv, posted October 22, 20…

Proximity Ligation Assayを応用してLTPが起こったシナプスを組織学的・経路特異的に検出

SYNPLA: A synapse-specific method for identifying learning-induced synaptic plasticity loci Kim Dore, Yvonne Pao, Jose Soria Lopez, Sage Aronson, Huiqing Zhan, Sanchari Ghosh, Sabina Merrill, Anthony M. Zador, Roberto Malinow, Justus M. Ke…

DNA microscopy: DNA「で」顕微する手法

DNA Microscopy: Optics-free Spatio-genetic Imaging by a Stand-Alone Chemical Reaction Joshua A.Weinstein, Aviv Regev, and Feng Zhang Cell, Volume 178, Issue 1, 27, Pages 229-241.e16., doi: 10.1016/j.cell.2019.05.019【概要】 DNAが任意分子の…

“Prospective” にAAV搭載可能な細胞種特異的エンハンサーを探索する

Prospective, brain-wide labeling of neuronal subclasses with enhancer-driven AAVs Lucas T. Graybuck, Adriana E. Sedeño-Cortés, Thuc Nghi Nguyen, Miranda Walker, Eric Szelenyi, Garreck Lenz, La’Akea Sieverts, Tae Kyung Kim, Emma Garren, Bri…

AAV-PHP.eBは内皮細胞のLY6A依存的に血液脳関門を通過する

Delivering genes across the blood-brain barrier: LY6A, a novel cellular receptor for AAV-PHP.B capsids Qin Huang , Ken Y. Chan, Isabelle G. Tobey, Yujia Alina Chan,Tim Poterba, Christine L. Boutros, Alejandro B. Balazs, Richard Daneman, Jo…

Topological Engineering - チャネルロドプシンを膜に対して逆向きに挿入できる&逆向きに挿入されたオプシンは新たな性質を持つ

Expanding the Optogenetics Toolkit by Topological Inversion of Rhodopsins Cell, 175, 4, 1131-1140.e11 Brown J, Behnam R, Coddington L, Tervo DGR, Martin K, Proskurin M, Kuleshova E, Park J, Phillips J, Bergs ACF, Gottschalk A, Dudman JT, K…

論文に登場したマウスお絵かき傑作選

1. Alhadeff et al., Cell (2018) A Neural Circuit for the Suppression of Pain by a Competing Need State そこはかとない欧米感 2. Partridge, Front. Pharmacol. (2015) Utilizing GCaMP transgenic mice to monitor endogenous Gq/11-coupled receptor…

GCaMP7(A317Lとは?)

jGCaMP7 cultured neuron data Unpublished, Douglas Kim and Colleagues論文ではありませんが、JaneliaのGENIEがGCaMPの新シリーズを出しているようですのでご紹介。jGCaMP7。全部で4種類。 jGCaMP7s - sensitive detection of activity jGCaMP7f - more se…

Arcはウイルス様のカプシドを形成してmRNAを細胞間輸送する(かも)

The Neuronal Gene Arc Encodes a Repurposed Retrotransposon Gag Protein that Mediates Intercellular RNA Transfer Cell, 172(1-2), 275-288.e18 Pastuzyn ED, Day CE, Kearns RB, Kyrke-Smith M, Taibi AV, McCormick J, Yoder N, Belnap DM, Erlendsso…

GlyoxalはPFAに取って代わる固定剤となる…のか…?

Glyoxal as an alternative fixative to formaldehyde in immunostaining and super‐resolution microscopy The EMBO Journal (2017) e201695709, DOI 10.15252/embj.201695709 Richter KN, Revelo NH, Seitz KJ, Helm MS, Sarkar D, Saleeb RS, D'Este E, E…

in vitro”血管”を用いてズリ応力依存的に血管の浸潤性が変化する分子基盤を解明

A non-canonical Notch complex regulates adherens junctions and vascular barrier function William J. Polacheck, Matthew L. Kutys, Jinling Yang, Jeroen Eyckmans, Yinyu Wu, Hema Vasavada, Karen K. Hirschi & Christopher S. Chen Nature, doi:10.…

毒性の少ない(?) Iodixanolでin vivo深部イメージングが可能に?

A tunable refractive index matching medium for live imaging cells, tissues and model organisms eLife 2017;6:e27240 DOI: 10.7554/eLife.27240 Boothe T, Hilbert L, Heide M, Berninger L, Huttner WB, Zaburdaev V, Vastenhouw NL, Myers EW, Drechs…

in vivoではDREADDはCNOではなくCNOの代謝産物で活性化する?

Chemogenetics revealed: DREADD occupancy and activation via converted clozapine. Gomez JL, Bonaventura J, Lesniak W, Mathews WB, Sysa-Shah P, Rodriguez LA, Ellis RJ, Richie CT, Harvey BK, Dannals RF, Pomper MG, Bonci A, Michaelides M Scien…

第二世代CUBICでがん転移したマウスを観察する

Whole-Body Profiling of Cancer Metastasis with Single-Cell Resolution Kubota SI, Takahashi K, Nishida J, Morishita Y, Ehata S, Tainaka K, Miyazono K, Ueda HR Cell Rep. 2017 Jul 5;20(1):236-250全身透明化によってがんの全身転移を1細胞の解像…

シーケンシングで個々のニューロンの投射先を一挙に調べる

High-Throughput Mapping of Single-Neuron Projections by Sequencing of Barcoded RNA Kebschull JM, Garcia da Silva P, Reid AP, Peikon ID, Albeanu DF, Zador AM. Neuron. 2016 Sep 7;91(5):975-87.一般的な順行性トレーサーは、特定の領域に存在する…

NeuroTrace 500/525によってペリサイトをin vivo標識できる

A fluoro-Nissl dye identifies pericytes as distinct vascular mural cells during in vivo brain imaging Eyiyemisi C Damisah, Robert A Hill, Lei Tong, Katie N Murray & Jaime Grutzendler Nature Neuroscience, 2017, AOP, May 15血液脳関門は様々な…

4.5×4.5=??

Iterative expansion microscopy Jae-Byum Chang, Fei Chen, Young-Gyu Yoon, Erica E Jung, Hazen Babcock, Jeong Seuk Kang, Shoh Asano, Ho-Jun Suk, Nikita Pak, Paul W Tillberg, Asmamaw T Wassie, Dawen Cai & Edward S Boyden Nature Methods (2017)…

RNA染色のための組織透明化

Multiplexed Intact-Tissue Transcriptional Analysis at Cellular Resolution Emily Lauren Sylwestrak, Priyamvada Rajasethupathy, Matthew Arnot Wright, Anna Jaffe, Karl Deisseroth Cell 2016, 164(4), 792-804CLARITYの架橋にはPFAとアクリルアミド…

非侵襲的に脳血管内皮細胞だけに感染するAAV

A brain microvasculature endothelial cell-specific viral vector with the potential to treat neurovascular and neurological diseases Körbelin J, Dogbevia G, Michelfelder S, Ridder DA, Hunger A, Wenzel J, Seismann H, Lampe M, Bannach J, Pasp…

rAAV2-retro|効率よく逆行性感染する新規AAVセロタイプ

A Designer AAV Variant Permits Efficient Retrograde Access to Projection Neurons D. Gowanlock R. Tervo, Bum-Yeol Hwang, Sarada Viswanathan, Thomas Gaj, Maria Lavzin, Kimberly D. Ritola,Sarah Lindo, Susan Michael, Elena Kuleshova, David Oja…

Blue Brain Project|脳回路の構成的理解に求められる、最低限の『リアルさ』とは?

Reconstrucion and Simulation of Neocortical Microcircuitry Henry Markram, Eilif Muller, Srikanth Ramaswamy, Michael W. Reimann, …., Javier DeFelipe, Sean L. Hill, Idan Segev, Felix Schürmann et al.,*1 Cell (2015), 163(2), 456–492 何を以て…

ScaleS|ソルビトール・尿素・低濃度界面活性剤による、組織と色素にやさしい透明化

ScaleS: an optical clearing palette for biological imaging Hiroshi Hama, Hiroyuki Hioki, Kana Namiki, Tetsushi Hoshida, Hiroshi Kurokawa, Fumiyoshi Ishidate, Takeshi Kaneko, Takumi Akagi, Takashi Saito, Takaomi Saido & Atsushi Miyawaki Nat…

アスパラ|増強されたスパインを特異的に退縮させる

Labelling and optical erasure of synaptic memory traces in the motor cortex Akiko Hayashi-Takagi, Sho Yagishita, Mayumi Nakamura, Fukutoshi Shirai, Yi I. Wu, Amanda L. Loshbaugh, Brian Kuhlman, Klaus M. Hahn, Haruo Kasai Nature (2015), AOP…

ChloC

Conversion of Channelrhodopsin into a Light-Gated Chloride ChannelJonas Wietek, J. Simon Wiegert, Nona Adeishvili, Franziska Schneider, Hiroshi Watanabe, Satoshi P. Tsunoda, Arend Vogt,Marcus Elstner, Thomas G. Oertner, Peter HegemannScien…

CRISPR/Cas9

Multiplex Genome Engineering Using CRISPR/Cas SystemsLe Cong, F. Ann Ran, David Cox, Shuailiang Lin, Robert Barretto, Naomi Habib, Patrick D. Hsu, Xuebing Wu, Wenyan Jiang, Luciano A. Marraffini, Feng ZhangScience 339, 819-823 (2013)少し古…

LITE

【出典】Optical control of mammalian endogenous transcription and epigenetic statesSilvana Konermann, Mark D. Brigham, Alexandro Trevino, Patrick D. Hsu, Matthias Heidenreich, Le Cong, Randall J. Platt, David A. Scott, George M. Church & F…

GCaMP6

【出典】Ultrasensitive fluorescent proteins for imaging neuronal activityTsai-Wen Chen, Trevor J.Wardill, Yi Sun, Stefan R. Pulver, Sabine L. Renninger, Amy Baohan, Eric R. Schreiter, Rex A. Kerr, Michael B. Orger, Vivek Jayaraman, Loren L…