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GlossaryAutosomal Recessive

inheritance requires two copies of a mutated gene

Autosomal recessive refers to a pattern of inheritance where a person must inherit two copies of a mutated gene, one from each parent, to express a particular trait or disorder. If an individual has only one copy of the mutated gene, they are considered a carrier and typically do not show symptoms. This type of inheritance is common in many genetic disorders, such as cystic fibrosis and sickle cell anemia.

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research Atrichia With Papular Lesions

32 citations , May 1986 in “Archives of Dermatology”

The condition is likely inherited in an autosomal-dominant pattern.

research Mutations in Three Genes Encoding Proteins Involved in Hair Shaft Formation Cause Uncombable Hair Syndrome

119 citations , November 2016 in “American journal of human genetics”

Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.

research Four Independent Mutations in the Feline Fibroblast Growth Factor 5 Gene Determine the Long-Haired Phenotype in Domestic Cats

75 citations , September 2007 in “Journal of Heredity”

FGF5 gene mutations cause long hair in domestic cats.

research 17 Beta-Hydroxysteroid Dehydrogenase 3 Deficiency in the Mediterranean Population

46 citations , August 2006 in “PubMed”

A genetic defect causes males in some Mediterranean populations to be born with ambiguous genitalia and develop male traits at puberty.

Deficient Plakophilin-1 Expression Due to a Mutation in PKP1 Causes Ectodermal Dysplasia-Skin Fragility Syndrome in Chesapeake Bay Retriever Dogs

research Deficient Plakophilin-1 Expression Due to a Mutation in PKP1 Causes Ectodermal Dysplasia-Skin Fragility Syndrome in Chesapeake Bay Retriever Dogs

28 citations , February 2012 in “PLoS ONE”

A PKP1 gene mutation causes skin fragility and hair loss in Chesapeake Bay retriever puppies.

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community Pirfenidone - The answer to fibrosis and baldness

in Treatment 18 upvotes 4 years ago

Pirfenidone is suggested to treat fibrosis and baldness by blocking inflammation markers and reducing collagen. It is also available as a gel for scar removal.

community Efficacy and Tolerability of N-Acetyl-Cysteine for Treatment of The Early-onset Androgenetic Alopecia in Men

in Research/Science 27 upvotes 3 years ago

N-Acetyl-Cysteine (NAC) was found to improve hair parameters in men with early-onset androgenetic alopecia, showing increased terminal hair count and decreased vellus hair count, with good tolerability. NAC, used alone or with minoxidil, may help due to its antioxidant properties, though its effectiveness can vary among individuals.

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

in Chat 139 upvotes 2 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 Why balding gets worse in every generation?

in Chat 81 upvotes 1 year ago

Balding seems to worsen with each generation, possibly due to stress, diet, and environmental factors. The user started treatments like Minoxidil and finasteride.