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Glossary Blood Vessels

tubular structures transporting blood throughout the body

Blood vessels are tubular structures that transport blood throughout the body, forming part of the circulatory system. They include arteries, which carry oxygen-rich blood away from the heart, veins, which return oxygen-depleted blood back to the heart, and capillaries, which facilitate the exchange of oxygen, nutrients, and waste products between blood and tissues.

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Research

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research Nascent blood vessels in the skin arise from nestin-expressing hair-follicle cells

212 citations , August 2004 in “Proceedings of the National Academy of Sciences”

This study found that nestin-driven GFP labels blood vessels originating from hair follicles in mice, which could be used to study early events in skin angiogenesis and for antiangiogenesis drug screening.

research The action of diazoxide and minoxidil sulphate on rat blood vessels: a comparison with cromakalim

86 citations , July 1990 in “British Journal of Pharmacology”

Diazoxide, minoxidil sulphate, and cromakalim relax rat blood vessels by opening K+ channels, with some differences in their actions.

research Fibre optic confocal imaging (FOCI) of keratinocytes, blood vessels and nerves in hairless mouse skin in vivo

36 citations , February 1998 in “Journal of Anatomy”

This study used fibre optic confocal imaging to visualize subsurface structures in live mouse skin, revealing cellular details and blood vessel networks that dynamic events could be studied in vivo.

research Characterization of human dermal sheath cells reveals CD36-expressing perivascular cells associated with capillary blood vessel formation in hair follicles

16 citations , July 2019 in “Biochemical and Biophysical Research Communications”

This study concluded that CD36-expressing dermal sheath cells may influence the modulation of blood capillaries in hair follicles, potentially affecting hair cycling.

research Effects of Huoxue Bushen Mixture on skin blood vessel neogenesis and vascular endothelial growth factor expression in hair follicle of C57BL/6 mice

1 citations , March 2007 in “Journal of Chinese Integrative Medicine”

In this study, Huoxue Bushen Mixture was associated with increased blood vessel formation and VEGF expression in mice hair follicles, suggesting it may enhance hair growth.

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Community Join

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community Scientists have found that a naturally occurring sugar in humans and animals could be used as a topical treatment for male pattern baldness | In the study, mice received 2dDR-SA gel for 21 days, resulting in greater number of blood vessels and an increase in hair follicle length and denseness

644 upvotes 2 years ago

Scientists discovered a sugar gel, 2dDR-SA, that increased hair growth in mice. Users discussed its potential, comparing it to other treatments like Minoxidil and finasteride.

community Debunking Androgenetic Theory (Hair Transplants)

in Research/Science 25 upvotes 2 years ago

The post discusses a theory that hair regrowth after transplant is due to the angiogenesis process (new blood vessels forming), not because the transplanted hair is unaffected by DHT. The responses highlight the established belief in 'donor dominance' (the importance of the hair's origin in transplantation) and skepticism about the new theory.

community It seems 2-deoxy-d-ribose is now commercially available in Australia , what do we think?

in Treatment 5 months ago

2-deoxy-d-ribose hair serum is now available in Australia, potentially aiding hair loss by promoting new blood vessel growth. Users are discussing its potential effectiveness compared to other treatments like Minoxidil, finasteride, and RU58841.

community How Does Exosome Therapy Work for Hair Loss?

in Research/Science 5 upvotes 2 years ago

Exosome hair therapy involves injecting stem cell-derived exosomes into the scalp to boost hair follicle regeneration and repair. Exosomes, which are not stem cells but products of them, contain bioactive chemicals and specific growth factors that promote new blood vessel formation, increase cell proliferation, reduce inflammation, and improve tissue repair, all crucial for hair health.

community A new study by Deng and colleagues set out to explore differences between balding and non balding scalps...

39 upvotes 4 years ago

Balding scalps have more androgen receptors, leading to increased TGF-beta, which causes blood vessel loss and hair follicle miniaturization. Blocking androgen signaling and TGF-beta may help prevent hair loss.

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Learn

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learn Vascular Endothelial Growth Factor

How does Vascular Endothelial Growth Factor (VEGF) differ from DHT-blocking treatments for androgenic alopecia? VEGF promotes blood vessel growth, while DHT-blocking treatments reduce hormone effects on hair follicles.
Can products that stimulate Vascular Endothelial Growth Factor (VEGF) improve blood flow to hair follicles? Yes, products that stimulate VEGF may improve blood flow to hair follicles.

learn capsicum

How does capsicum improve scalp circulation and boost growth? Capsaicin dilates blood vessels through TRPV1 activation, so capsicum is expected to raise scalp blood flow, but every human hair-loss study used it inside a multi-ingredient formula — and the strongest one gave it orally, not on the scalp — so its effect on hair by itself is unproven, and it is a known skin irritant.

learn Platelet-Rich Plasma

What is Platelet-Derived Growth Factor Beta Polypeptide, and how does it help stimulate new hair growth? PDGF-BB is a growth factor that signals to dermal papilla cells and promotes blood-vessel formation; mouse studies report it can push follicles into the growth phase, and human evidence comes only indirectly from PRP trials. No PDGF product is approved for hair restoration and there is no published human trial of PDGF-BB on its own.

learn Thymosin Beta 4

learn Microneedling

technique to create small wounds in skin to activate collagen production and hair growth

learn Follistatin

glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

learn sh-Polypeptide-7

learn Centella

Ever wonder why your hair doesn’t grow back thick anymore? Maybe your scalp needs better blood flow: centella could help. There is no clinical trial of centella asiatica for hair loss and no study measuring scalp blood flow in people using it; the only hair-related evidence is a 2017 cell-culture study. Centella products are cosmetics that may soothe an irritated scalp, and the link between scalp circulation and pattern hair loss is itself unproven.

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