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research From hair to liver: emerging application of hair follicle mesenchymal stem cell transplantation reverses liver cirrhosis by blocking the TGF-β/Smad signaling pathway to inhibit pathological HSC activation

4 citations , February 2022 in “PeerJ”

This study found that hair follicle mesenchymal stem cells improved liver function and pathology in a mouse model of liver cirrhosis, potentially by inhibiting the TGF-β/Smad pathway and reducing hepatic stellate cell activation.

research Identification of key genes and signaling pathways related to Hetian sheep wool density by RNA-seq technology

7 citations , May 2022 in “PLOS ONE”

This study found that Hetian sheep with higher wool density produce more and finer wool, with key genes potentially influencing their wool growth and density.

research Growth factors specifically alter hair follicle cell proliferation and collagenolytic activity alone or in combination

56 citations , December 1990 in “Differentiation”

Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.

research Melandrium firmumExtract Promotes Hair Growth by Modulating 5α-Reductase Activity and Gene Expression in C57BL/6J Mice

2 citations , January 2019 in “Annals of Dermatology”

This preliminary study found that Melandrium firmum extract may promote hair growth and inhibit 5α-reductase, suggesting potential as a candidate for treating androgenetic alopecia.

research MiR-23b and miR-133 Cotarget TGFβ2/NOTCH1 in Sheep Dermal Fibroblasts, Affecting Hair Follicle Development

4 citations , March 2024 in “Cells”

This study found that the microRNAs oar-miR-23b and oar-miR-133 inhibit the proliferation and migration of sheep dermal fibroblasts, impacting the development of hair follicles in superfine wool sheep by targeting the genes TGFβ2 and NOTCH1.

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community Did anybody use beta sisterol for hair loss? I saw in many articles in the internet that said that beta sisterol blocks dht by inhibiting 5a reductase type 2 enzyme and some reviews of people who said that it worked better than saw palmetto in terms of stoping hair loss and helping prostate.

in Research/Science 9 upvotes 3 years ago

Beta-sitosterol may inhibit 5-alpha reductase type 2 enzyme, potentially reducing DHT levels and promoting hair growth, similar to finasteride but possibly with fewer side effects. Its effectiveness and side effects compared to other treatments like saw palmetto and finasteride remain uncertain due to limited research.

community Which compounds in Saw Palmetto are actually beneficial?

4 upvotes 1 year ago

Saw palmetto's fatty acids, particularly lauric and linoleic acids, inhibit enzymes linked to hair loss, while sterols like beta-sitosterol are less effective due to poor absorption. The conversation questions which specific compounds in saw palmetto contribute to its anti-androgenic effects.

community Theaflavin (Black Tea Extract) reduce DHT, androgen receptor activity and estrogen

6 upvotes 3 years ago

Theaflavin, a black tea extract, may inhibit DHT and androgen receptor activity, but its effectiveness for hair loss is debated. Users report no significant improvement with theaflavin, while some find beta sitosterol helpful.

community The mechanism of androgenic alopecia

36 upvotes 11 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 Possible topical option for preventing BDNF-related hair loss

6 upvotes 2 years ago

The conversation discusses hair loss linked to BDNF-increasing nootropics like Semax and Lions Mane. Suggested topical treatments include capsaicin, beta-glucan, and ginseng to counteract TGF-B activation.

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learn Follistatin

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

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