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GlossarySerum Testosterone (TT)

measures testosterone levels in the blood

Serum testosterone refers to the measurement of testosterone levels in the blood. This test, often called a Testosterone Blood Test or Total Testosterone (TT), is used to assess hormonal balance, diagnose conditions like hypogonadism or polycystic ovary syndrome (PCOS), and evaluate issues related to sexual development, fertility, and certain types of hair loss such as androgenetic alopecia.

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research Conditional Gene Expression in the Epidermis of Transgenic Mice Using the Tetracycline-Regulated Transactivators tTA and rTA Linked to the Keratin 5 Promoter

215 citations, November 2000 in “Journal of Investigative Dermatology”

The system allows precise control of gene expression in mouse skin, useful for studying skin biology.

$Temporal Triangular Alopecia: Report of an African-American Child Misdiagnosed as Refractory Tinea Capitis$

research Temporal Triangular Alopecia: Report of an African-American Child Misdiagnosed as Refractory Tinea Capitis

13 citations, March 2002 in “Pediatric Dermatology”

A child was initially wrongly diagnosed with a fungal scalp infection but actually had a non-scarring hair loss condition called Temporal Triangular Alopecia.

research Structural and Molecular Hair Abnormalities in Trichothiodystrophy

71 citations, May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology”

TTD hair brittleness is caused by multiple structural abnormalities.

research Trichothiodystrophy And Fragile Hair: The Distinction Between Diagnostic Signs And Diagnostic Labels In Childhood Hair Disease

17 citations, September 2009 in “British Journal of Dermatology”

Fragile hair in children is rarely linked to trichothiodystrophy (TTD).

research A Case Report of Thrombotic Thrombocytopenic Purpura Associated with Systemic Lupus Erythematosus: Overlapping Features

6 citations, January 2014 in “American Journal of Medical Case Reports”

Early diagnosis, intensive therapy, and careful follow-up are crucial for managing overlapping TTP and SLE.

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community 14 Month Topical Fin/Min .1%/10% + microneedling update

in Finasteride/Dutasteride 31 upvotes 1 month ago

The user reports progress in hair regrowth using topical finasteride/minoxidil, microneedling, topical dutasteride, latanoprost, and MSM supplements. They express frustration over the lack of interaction on progress posts compared to trivial topics.

community Does finasteride decrease free testosterone?

in Research/Science 186 upvotes 1 month ago

Finasteride may decrease free testosterone by increasing SHBG, potentially causing side effects like reduced libido and hormonal changes. Some find it effective for hair loss, while others experience negative effects.

community for those who had high levels of testo and estradiol after start fin/dut: did it comeback to baseline or normal levels?

in Finasteride/Dutasteride 8 upvotes 8 months ago

A user experienced increased testosterone and estradiol levels after starting finasteride/dutasteride and is asking if these levels will return to normal over time. The conversation focuses on whether these changes are temporary.

community Pre Finasteride Treatment, is testing for free DHT necessary?

in Finasteride/Dutasteride 5 upvotes 2 years ago

The conversation is about whether testing for free DHT is necessary before starting Finasteride for hair loss, despite having other hormone tests available. One person suggests that genetic response to DHT is more important than DHT levels and advises starting Finasteride without the free DHT test.

community Progress from August to November

in Progress Pictures 965 upvotes 2 months ago

A user shared their hair regrowth progress from using Minoxidil 5% and Finasteride 2.5 mg since August 2024, reporting no side effects. They cut 5mg Finasteride pills in half and take them every other day, and recommend consulting a dermatologist for personalized advice.

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