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GlossaryParacrine Signaling

cells communicate by releasing molecules to nearby cells

Paracrine signaling is a form of cell-to-cell communication where a cell produces signaling molecules, such as growth factors or cytokines, that affect nearby target cells within the same tissue. Unlike endocrine signaling, which involves hormones traveling through the bloodstream to distant targets, paracrine signals act locally, ensuring a rapid and specific response in the immediate cellular environment. This type of signaling is crucial in processes like wound healing, immune responses, and hair follicle regulation.

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Androgen Receptor-Mediated Paracrine Signaling Induces Regression of Blood Vessels in the Dermal Papilla in Androgenetic Alopecia

research Androgen Receptor–Mediated Paracrine Signaling Induces Regression of Blood Vessels in the Dermal Papilla in Androgenetic Alopecia

6 citations , January 2022 in “Journal of Investigative Dermatology”

Male pattern baldness is linked to higher levels of a certain receptor in the scalp, which leads to the shrinking of blood vessels and hair loss. Early treatment targeting this receptor could be more effective.

research Paracrine TGF-β Signaling Counterbalances BMP-Mediated Repression in Hair Follicle Stem Cell Activation

321 citations , January 2012 in “Cell stem cell”

TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.

research Human CD133 ⁺ Progenitor Cells Promote the Healing of Diabetic Ischemic Ulcers by Paracrine Stimulation of Angiogenesis and Activation of Wnt Signaling

245 citations , April 2009 in “Circulation Research”

CD133+ cells help heal diabetic ulcers by promoting blood vessel growth and activating Wnt signaling.

Epidermal β-Catenin Activation Remodels the Dermis via Paracrine Signaling to Distinct Fibroblast Lineages

research Epidermal β-catenin activation remodels the dermis via paracrine signalling to distinct fibroblast lineages

115 citations , February 2016 in “Nature Communications”

Epidermal β-catenin activation changes the dermis by signaling different fibroblast types.

research Cx43 hemichannel-mediated paracrine involves in the promotion of MSCs on skin wound healing

1 citations , December 2025 in “Stem Cell Research & Therapy”

Mesenchymal stem cells help heal wounds by using Cx43 hemichannels to improve tissue repair.

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community Looks like a real cure to the root of baldness (DHT-induced senescence) was proven earlier this year

in Research/Science 737 upvotes 3 years ago

A study that outlines the full model for androgenic alopecia (AGA) which links DHT to cellular senescence in dermal papilla cells, and suggests black chokeberry as a source of cyanidin 3-O-arabinoside polyphenol with potential anti-oxidant properties that could reverse this process. The post encourages reaching out to experts in anti-aging and longevity to research treatments involving the polyphenol.

community My derm said they came up with a new serum that is better then fin? What’s y’all’s thoughts

in Finasteride/Dutasteride 6 months ago

A new serum claims to enhance hair regrowth by amplifying oxygen delivery, improving the effectiveness of treatments like exosomes and peptides. Users are skeptical, questioning its efficacy compared to established treatments like Minoxidil and Finasteride.

community The mechanism of androgenic alopecia

in Research/Science 33 upvotes 10 months ago

DHT may inhibit hair growth by affecting mitochondrial function, leading to hair follicle miniaturization. Treatments like minoxidil and PP405 may promote hair growth by altering metabolic pathways, potentially counteracting DHT's effects.

community hmi115 is coming. Prepare yourselves for what's coming

in Technology 108 upvotes 2 years ago

The conversation discusses HMI-115, a potential cure for hair loss. Users share mixed opinions, with some expressing skepticism and others sharing anecdotal evidence of its effectiveness, including photos of significant hair regrowth from a trial participant.

community Why HMI115 should work if it doesn’t affect dht?

in Research/Science 16 upvotes 3 years ago

Hair growth can be induced without stopping DHT, as seen with Minoxidil. HMI115 may work by promoting follicle growth, not targeting the root cause of hair loss (DHT).

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learn Stem Cell Factor

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