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Did you mean Hairless Phenotype?

Glossary Hairless Phenotype

genetic condition causing absence or reduction of body hair

The hairless phenotype refers to a genetic condition where an individual lacks hair on their body or has significantly reduced hair growth. This can be due to mutations in specific genes that are responsible for hair development and maintenance. In both humans and animals, this phenotype can result from various genetic disorders or be a naturally occurring trait in certain breeds or species.

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Research

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research Forkhead/winged-helix transcription factor whn regulates hair keratin gene expression: Molecular analysis of theNude skin phenotype

75 citations , April 2000 in “Developmental Dynamics”

This study suggests that the structural integrity and physical proximity of Whn's DNA binding and activation domains are crucial for hair keratin gene activation and may explain the nude phenotype.

research Biallelic HEPHL1 variants impair ferroxidase activity and cause an abnormal hair phenotype

24 citations , May 2019 in “PLOS genetics”

This study reports that compound heterozygous loss-of-function mutations in the HEPHL1 gene in a child were associated with abnormal hair and cognitive issues, linking altered ferroxidase activity to hair disorders.

research Hair phenotype diversity across Indriidae lemurs

2 citations , October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)”

This study observed that darker hair is typical in wetter regions for the Indriidae family, while within Propithecus, dark black hair is common in colder forests, suggesting evolutionary adaptations to environmental pressures.

research Pathobiology of the hairless phenotype: Dysregulation of hair follicle apoptosis and topobiology during the initiation of follicle cycling

9 citations , March 1998 in “Journal of Dermatological Science”

Improper regulation of hair follicle processes causes hairlessness.

research 036 Expanded T cells under lymphopenic condition exhibit memory phenotype and infiltrate around hair follicle

April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study suggests that targeting skin-infiltrated memory phenotype T cells could offer a new therapeutic approach to manage lymphopenia-related diseases like graft-versus-host disease and immune reconstitution inflammatory syndrome.

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Community Join

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community Finasteride and male phenotypes

5 upvotes 11 years ago

Finasteride's effectiveness and side effects may vary based on male phenotypes, with some users noting differences in response related to body and facial hair characteristics. Some users report success with lower doses, while others experience side effects, suggesting individual variability in response to the treatment.

community A Novel Synergistic Strategy for Hair Loss Prevention and Reversal: Rapamycin, Finasteride, and Minoxidil

40 upvotes 9 months ago

Rapamycin, finasteride, and minoxidil are discussed as a strategy for hair loss prevention and reversal. Pulsed dosing of rapamycin is suggested to avoid conflicting effects with minoxidil.

community Sugar and Hair loss connections

in Research/Science 41 upvotes 1 year ago

High sugar diets may worsen hair loss by increasing 5α-reductase activity and androgen levels, especially in women with PCOS. A low sugar diet might reduce scalp DHT levels, similar to finasteride, but genetics also significantly influence hair loss.

community Why do we have head hair in first place if we evolved to start losing it in some cases as soon as puberty hits

140 upvotes 11 months ago

Hair loss is influenced by genetics and sensitivity to hormones like DHT. Treatments like Minoxidil and finasteride are commonly used, and baldness persists as it doesn't affect reproductive success.

community Positive Hair Result in Patient using Tirzepatide

4 upvotes 1 year ago

A 57-year-old man with male pattern hair loss and insulin resistance experienced hair regrowth and weight loss after using tirzepatide, without other hair treatments. Dysregulated glucose metabolism is linked to hair loss, with tirzepatide potentially improving hair density by normalizing insulin resistance.

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Learn

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learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

Do hair fibers really make thinning hair look fuller, or is it just an illusion? Hair fibers create an optical illusion of fullness but do not actually thicken hair.
How do you apply hair fibers correctly so they stay in place all day? Apply hair fibers to clean, dry hair and use a setting spray for better hold.
Can hair fibers be used along with medical treatments like minoxidil or finasteride? Yes, hair fibers can be used with minoxidil or finasteride without any chemical interaction.
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learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Hair Transplant

Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.

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Clinics

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Experts

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas