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Glossary Cell Junctions

specialized structures connecting adjacent cells within tissues

Cell junctions, also known as intercellular junctions, are specialized structures that connect adjacent cells within tissues. They play crucial roles in maintaining the structural integrity of tissues, facilitating communication between cells, and regulating the passage of substances. Examples include tight junctions, which create a seal to prevent leakage; desmosomes, which provide mechanical strength; and gap junctions, which allow for the direct transfer of ions and small molecules between cells.

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Research

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research Spermidine Promotes Human Hair Growth and Is a Novel Modulator of Human Epithelial Stem Cell Functions

61 citations , July 2011 in “PLOS ONE”

This study provides the first direct evidence that spermidine can stimulate hair growth and modulate human epithelial stem cell biology in cultured human hair follicles.

research Patched1 Functions as a Gatekeeper by Promoting Cell Cycle Progression

176 citations , February 2006 in “Cancer Research”

This study found that loss of Ptch1 function in mouse skin's basal cells is sufficient to rapidly induce tumors resembling human basal cell carcinoma, suggesting Ptch1 as a key tumor suppressor.

Essential Role of Polarity Protein Par3 for Epidermal Homeostasis Through Regulation of Barrier Function, Keratinocyte Differentiation, and Stem Cell Maintenance

research Essential Role of Polarity Protein Par3 for Epidermal Homeostasis through Regulation of Barrier Function, Keratinocyte Differentiation, and Stem Cell Maintenance

26 citations , July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology”

In this study, loss of epidermal Par3 in mice disrupted the skin barrier and affected cell differentiation and stem cell maintenance, highlighting its role in epidermal homeostasis.

research Function of KLF4 in Stem Cell Biology

5 citations , August 2013 in “InTech eBooks”

This article reviews the role of KLF4, a transcription factor, in various cellular processes and its dual function as a tumor suppressor or oncogene depending on the context, but presents no new experimental results.

research The structural and functional aspects of hair cell regeneration in the chick as a result of exposure to intense sound

63 citations , January 1992 in “Experimental Neurology”

This study in neonatal chicks reported that intense sound exposure severely impaired auditory function, but function returned to near normal within 3 days, primarily due to non-hair-cell mechanisms.

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community Fully functional hair follicle regeneration through the rearrangement of stem cells and their niches

4 upvotes 11 years ago

Hair follicle regeneration through stem cell rearrangement is discussed, focusing on bioengineered cellular structures rather than traditional hair transplants. Treatments mentioned include Minoxidil, finasteride, and RU58841.

community Stem cell feat may lead to fix for baldness

17 upvotes 12 years ago

The conversation discusses the complexity of reversing hair loss and the need for a treatment that specifically targets DHT levels without affecting other bodily functions. It mentions finasteride as a current treatment but highlights the desire for a solution that works solely on the scalp.

community Fully Functional Hair Follicles Have Been Grown in The Lab For The First Time

375 upvotes 6 months ago

Scientists have successfully grown functional hair follicles in the lab, marking a significant advancement in hair regeneration research. A user shared their personal experience with hair loss treatments, including Minoxidil and Finasteride, and plans to share a detailed protocol for hair restoration.

community What do you guys think of stem cell hai restoration?

10 upvotes 8 months ago

Stem cell hair restoration lacks scientific evidence and is often considered a scam. Effective hair loss treatments include hair transplants, Minoxidil, and Finasteride, but stem cell treatments are not proven.

community Functional hair follicles grown from stem cells: Scientists have created natural-looking hair that grows through the skin using human induced pluripotent stem cells (iPSCs), a major scientific achievement that could revolutionize the hair growth industry.

171 upvotes 7 years ago

Scientists have grown natural-looking hair from stem cells, potentially revolutionizing hair growth treatments. Concerns include cost, DHT resistance, and the need for future procedures.

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