Evidence map›Paper›PMID 34936434›Full record

ArticleScience advances2021

Visualizing intracellular nanostructures of living cells by nanoendoscopy-AFM.

Marcos Penedo, Keisuke Miyazawa, Naoko Okano, Hirotoshi Furusho, Takehiko Ichikawa, Mohammad Shahidul Alam, Kazuki Miyata, Chikashi Nakamura, Takeshi Fukuma

Abstract read
In one paragraph

Article in Science advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Marcos PenedoNano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kanazawa 920-1192, Japan.ORCID 0000-0002-2936-7354
Keisuke MiyazawaNano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kanazawa 920-1192, Japan.ORCID 0000-0002-5012-8040
Naoko OkanoNano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kanazawa 920-1192, Japan.
Hirotoshi FurushoNano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kanazawa 920-1192, Japan.ORCID 0000-0002-6286-5304
Takehiko IchikawaNano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kanazawa 920-1192, Japan.ORCID 0000-0002-2438-5502
Mohammad Shahidul AlamDivision of Nano Life Science, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.ORCID 0000-0002-6931-7757
Kazuki MiyataNano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kanazawa 920-1192, Japan.ORCID 0000-0002-1641-2160
Chikashi NakamuraAIST-INDIA Diverse Assets and Applications International Laboratory (DAILAB), Cellular and Molecular Biotechnology Research Institute (CMB), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan.ORCID 0000-0002-8012-2192
Takeshi FukumaNano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kanazawa 920-1192, Japan.ORCID 0000-0001-8971-6002

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Atomic force microscopy (AFM) is the only technique that allows label-free imaging of nanoscale biomolecular dynamics, playing a crucial role in solving biological questions that cannot be addressed by other major bioimaging tools (fluorescence or electron microscopy). However, such imaging is possible only for systems either extracted from cells or reconstructed on solid substrates. Thus, nanodynamics inside living cells largely remain inaccessible with the current nanoimaging techniques. Here, we overcome this limitation by nanoendoscopy-AFM, where a needle-like nanoprobe is inserted into a living cell, presenting actin fiber three-dimensional (3D) maps, and 2D nanodynamics of the membrane inner scaffold, resulting in undetectable changes in cell viability. Unlike previous AFM methods, the nanoprobe directly accesses the target intracellular components, exploiting all the AFM capabilities, such as high-resolution imaging, nanomechanical mapping, and molecular recognition. These features should greatly expand the range of intracellular structures observable in living cells.

Identifiers

PMID34936434
PMCPMC10954033

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.