#stemcells

[bingmya1]

What in the World is a Stem Cell?

Date: august 27, 2025

Have you ever wondered how your body heals a cut or how you grew from a single cell into, well, you? The answer is stem cells! 🧬 Think of stem cells as the body's superstars or its ultimate multitaskers. They are "blank slate" cells that haven't decided what they want to be when they grow up. They have the amazing potential to turn into many different types of cells, like a skin cell, a muscle cell, or a brain cell.

This ability to transform is what makes them so powerful. Imagine a mechanic having a single master key that could be shaped to fit any car door—that's a stem cell! They are the body's internal repair system, ready to jump in and replace damaged or dying cells. From repairing your skin after a scrape to building your organs in the first place, these cells are the fundamental building blocks of life and healing.

[willygarciamunoz]

Stem Cells. A versatile polypharmacology platform promotes cytoprotection and viability of human pluripotent and differentiated cell

An optogenetic method for the controlled release of single molecules - Nature Methods

An optogenetic system enables the controlled release of soluble and transmembrane proteins for precise exploration of cellular protein funct

Human pluripotent stem cells (hPSCs) are capable of extensive self-renewal yet remain highly sensitive to environmental perturbations in vitro, posing challenges to their therapeutic use. There is an urgent need to advance strategies that ensure safe and robust long-term growth and functional differentiation of these cells. Here, we deployed high-throughput screening strategies to identify a small-molecule cocktail that improves viability of hPSCs and their differentiated progeny. The combination of chroman 1, emricasan, polyamines, and trans-ISRIB (CEPT) enhanced cell survival of genetically stable hPSCs by simultaneously blocking several stress mechanisms that otherwise compromise cell structure and function. CEPT provided strong improvements for several key applications in stem-cell research, including routine cell passaging, cryopreservation of pluripotent and differentiated cells, embryoid body (EB) and organoid formation, single-cell cloning, and genome editing. Thus, CEPT represents a unique poly-pharmacological strategy for comprehensive cytoprotection, providing a rationale for efficient and safe utilization of hPSCs.

[i-was-today-years-old-when]

i learned that if a pregnant woman has organ damage, the baby in her womb sends stem cells to help repair the organ (x)

[biotechgirl]

Human stem cells after plasmid DNA transfection 🧪🔬

[intelligentliving]

Scientists Reverse Aging Process In Rat Brain Stem Cells

By removing a protein found on surface of aged rat brain stem cells, the cells became rejuvenated and regain their normal regenerative function.

[neurosciencenews]

Researchers discover crucial link between brain and gut stem cells

The insulin-like growth factor II gene plays a critical role in adult stem cell maintenance of both the intestine and the brain. Findings suggest IGF-2 is essential for multiple stem cell types, including those implicated in cognitive function and renewing the lining of the small intestine.

Read the full article here: https://neurosciencenews.com/gut-brain-stem-cells-11087/

In the study, the researchers removed the gene from adult mice either rapidly over five days or more slowly over 15 days. In the intestine, the fast deletion of the gene led to a rapid loss of fast-cycling stem cells that replenish the gut lining, leading to dramatic weight loss and death within a week. A slower deletion of the gene allowed the mice to survive due to the recruitment of a second, and more inactive, population of gut stem cells, whose existence has been debated. Additionally, the study revealed that half of the stem cells in two regions of the brain that house neural stem cells were lost, causing deficits in learning and memory, increased anxiety and a loss of the sense of smell.

(Their findings show that the insulin-like growth factor II gene is essential for multiple types of adult stem cells that are critical for cognitive function and renewing the lining of small intestine in adults. The image is adapted from the Rutgers University news release. )

“Insulin-like Growth Factor II: An Essential Adult Stem Cell Niche Constituent in Brain and Intestine” Levison et al. Stem Cell Reports. Published online April 15, 2019 doi:10.1016/j.stemcr.2019.02.011

[sciencehook]

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Mitosis in Mesenchymal Stem Cells. This was visualized by the winner of the "Scientist of Tomorrow", Almudena. Credit: @nanolive_sa . . . #nanolive #mitosis #biotechnology #microscopy #cellbiology #mesenchymalstemcells #stemcells #biology #biotech #science #research #experiment #livecell #livingcells #celldivition #laboratory #3dcellexplorer #revolutionary #hightech #microscope #videooftheday #science #sciencehook https://www.instagram.com/p/B23dz0HjjDD/?igshid=ao4ach0h5ojb

[enhancedathlete]

in #mexico #puertovallarta with @regenamexclinicpv doing #stemcells #experiments for #bodybuilding and #health and #longevity. i’m on day 5 of having no gear or #sarms in my system. i look more dry and lost a few pounds but that’s from coming off the #hgh. im planning doing a total 14 days off all #anabolics. i’m documenting everything along the way. feels good holding no water so far. I need to explain in a video my logic behind everything because it’s way too much thought then could ever be put on a post. #drtonyhuge #enhancedathlete #enhanced #muscle #sidechest #chestday #fitness (at Puerto Vallarta, Jalisco) https://www.instagram.com/p/B6RMxl8Dtn0/?igshid=1s0ro1yzafl3o