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Posts by Benjamin B Johnson

Sure thing, youโ€™re added!

1 year ago 1 0 0 0

Already have you in Cathy ๐Ÿ˜‰

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Youโ€™re in my friend ๐Ÿ‘๐Ÿป

1 year ago 1 0 0 0

Sure, youโ€™re in! ๐Ÿ‘๐Ÿป

1 year ago 1 0 0 0

Absolutely, youโ€™re in! ๐Ÿ‘๐Ÿป

1 year ago 1 0 0 0
Cardiac scratch wound assay to show the role of ECM in wound healing. HiPSC Cardiomyocytes in white on the boarders with a rich ECM scar tissues (cyan) through the middle with a simple nuclear stain (red) highlighting all cells.

Cardiac scratch wound assay to show the role of ECM in wound healing. HiPSC Cardiomyocytes in white on the boarders with a rich ECM scar tissues (cyan) through the middle with a simple nuclear stain (red) highlighting all cells.

How to fix a broken #heart ๐Ÿ’”->โค๏ธ

#Proteoglycan rich #ECMatrix scar tissue is laid by migratory cells after a cardiac scratch wound with #hiPSC #Cardiomyocytes.

Happy #Fluorescencefriday #BlueSky & #CardioSky!

@ablanchasensio.bsky.social ๐Ÿ‘€
#Science ๐Ÿ’ฅ๐Ÿงช #Microscopy ๐Ÿ”ฌ

1 year ago 61 12 0 0
Video

DNA during cell death and cell division.
#Science #Biology #CellBiology #microscopy

1 year ago 35 8 0 0

Sure, done!

1 year ago 0 0 0 0
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๐Ÿ‘๐Ÿป

1 year ago 0 0 0 0

Sure thing, youโ€™re in!

1 year ago 1 0 0 0

Added! ๐Ÿ‘๐Ÿป๐Ÿงช

1 year ago 0 0 0 0

Sure, done! ๐Ÿ‘๐Ÿป

1 year ago 0 0 1 0

Hi James, would love to be added thanks!

1 year ago 0 0 0 0
Genetically-modified hiPSCs expressing the genetically-encoded calcium indicator jRCaMP1b with a nuclear export signal (NES). This reporter is used to track calcium dynamics in live cells. It combines a red fluorescent protein with calmodulin and a calcium-binding domain, changing fluorescence intensity upon calcium binding. Its red-shifted emission is ideal for imaging in complex tissues or dual-color experiments, making it valuable for studying calcium-mediated processes.
A single copy of this reporter was integrated using the STRAIGHT-IN platform at the AAVS1 locus. See below!
https://doi.org/10.1016/j.crmeth.2022.100300
https://doi.org/10.1101/2024.10.17.616637

Genetically-modified hiPSCs expressing the genetically-encoded calcium indicator jRCaMP1b with a nuclear export signal (NES). This reporter is used to track calcium dynamics in live cells. It combines a red fluorescent protein with calmodulin and a calcium-binding domain, changing fluorescence intensity upon calcium binding. Its red-shifted emission is ideal for imaging in complex tissues or dual-color experiments, making it valuable for studying calcium-mediated processes. A single copy of this reporter was integrated using the STRAIGHT-IN platform at the AAVS1 locus. See below! https://doi.org/10.1016/j.crmeth.2022.100300 https://doi.org/10.1101/2024.10.17.616637

Here is my 2nd #FluorescenceFriday post! ๐Ÿงช #hiPSCs expressing jRCaMP1b, a genetically-encoded Ca2+ indicator ๐Ÿ‘ป. This reporter allows us to record intracellular Ca2+ in hiPSC-derived #cardiomyocytes and cardioids (videos in the comments) #microscopy ๐Ÿ”ฌ #Science #Biology @benjaminbjohnson.bsky.social

1 year ago 27 3 2 0

There are so many #morphogenesis researchers here!
My first starter pack is full!
Here is Part 2: go.bsky.app/K6YYKeC

#devbio #cellbio #science

Tell me if I should add you but try to make sure, that you're not already in Part 1.
I cannot cross-reference everyone ๐Ÿ˜…

Part 1: go.bsky.app/RzDD9or

1 year ago 48 21 20 3

Hi, could I be added to your pack thanks!

1 year ago 2 0 0 0
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Hey Jeff, would love to be added to your pack thanks!

1 year ago 1 0 0 0

Hey, would love to be added! I work on hPSC cardiac systems and disease models โค๏ธ

1 year ago 1 0 0 0

Hey, would love to be added thanks! ๐Ÿ˜€

1 year ago 0 0 1 0

Hey, would love to be added to your pack thanks! โค๏ธ

1 year ago 0 0 1 0

Hey, can I be added please and thanks! ๐Ÿ˜€

1 year ago 1 0 1 0

Hey! Would love to be added to this pack, thanks! โค๏ธ

1 year ago 1 0 0 0
Cyan cellular extracellular matrix fibers are highlighted laying over the top of the orange hyaluronan secreted matrix after a scratch would assay.

Cyan cellular extracellular matrix fibers are highlighted laying over the top of the orange hyaluronan secreted matrix after a scratch would assay.

Dedicating this #Fluorescencefriday to the #ECMatrix lovers. Was trialing some ECM staining methods on a scratch wound and love the HABP staining looking almost like flames ๐Ÿ”ฅ๐Ÿงช๐Ÿ”ฌ

Lets see what you got, @ablanchasensio.bsky.social ๐Ÿ˜‰

1 year ago 20 2 0 0
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Definitely, youโ€™re in!

1 year ago 1 0 1 0

Absolutely, youโ€™re in! ๐Ÿ‘๐Ÿป

1 year ago 2 0 0 0

Done!

1 year ago 0 0 1 0

Created a starter pack focusing on disease modeling in a dish using stem cells! ๐Ÿงช๐Ÿ”ฌ

Please (self)nominate anyone you think should be added to the list and repost so it finds the right people โค๏ธ

hPSC Disease Modeling: go.bsky.app/EpWsxNG

For a good general stem cell pack go here: go.bsky.app/UTW4d7b

1 year ago 39 16 14 1
Graphical abstract depicts automated setup to generate 3D cardiac mini tissues consisting of 3 cell types seeded into 384 well plates. The cardiac tissues are monitored using calcium traces to detect arrhythmias and subsequent rescue after compound addition.

Graphical abstract depicts automated setup to generate 3D cardiac mini tissues consisting of 3 cell types seeded into 384 well plates. The cardiac tissues are monitored using calcium traces to detect arrhythmias and subsequent rescue after compound addition.

๐Ÿ”ฅSuper excited to drop our recent preprint๐Ÿ”ฅ

biorxiv.org/cgi/content/...

Here, we automated the generation of 3D Cardiac Microtissues and performed a small high-throughput screen to identify several novel anti-arrhythmic compounds for CPVT1 ๐Ÿงชโค๏ธ

#Cardiosky #Science #hiPSC #Arrhythmia #Stemcell

1 year ago 13 3 1 0

Science! ๐Ÿงช

1 year ago 1 0 0 0
Video

Hey #BlueSky! Here is my first #FluorescenceFriday post!
This cardiac organoid was derived from #hiPSC and imaged using light sheet #microscopy ๐Ÿ”ฌ.

๐Ÿ”ต Cardiomyocytes
๐Ÿ”ด Endothelial cells
๐ŸŸก Fibroblasts

More coming next week! ๐Ÿงช

#Science #Biology #CellBiology #SciArt
@benjaminbjohnson.bsky.social

1 year ago 51 5 4 0