The Hair Loss Encyclopedia

Recurrent E413K Mutation of hHb6 in a Japanese Family with Monilethrix

January 2003 in “ Dermatology ”

Shigenori Muramatsu, Tami Kimura, Rie Ueki, Ryoji Tsuboi, Shigaku Ikeda, Hideoki Ogawa

TLDR The E413K mutation in the hHb6 gene causes monilethrix, a hair disorder, but doesn't show consistent symptoms.

The study described a Japanese family with monilethrix, an autosomal dominant hair disorder characterized by a beaded appearance of the hair. This condition was linked to the E413K mutation in the hHb6 gene, a mutation previously identified in 26 families. The research found no clear genotype/phenotype correlation in this family or in previously reported cases.

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Research cited in this study

9 / 9 results

research Monilethrix: Mutational Hotspot in the Helix Termination Motif of the Human Hair Basic Keratin 6

32 citations , January 2000 in “Human Heredity”

Monilethrix severity varies and may be influenced by other genetic or environmental factors.

research Two Different Mutations in the Same Codon of a Type II Hair Keratin (hHb6) in Patients with Monilethrix

20 citations , December 1999 in “Journal of Investigative Dermatology”

Mutations in the hHb6 gene cause the hair disorder monilethrix.

research Identification of Novel Mutations in Basic Hair Keratins hHb1 and hHb6 in Monilethrix: Implications for Protein Structure and Clinical Phenotype

62 citations , October 1999 in “Journal of Investigative Dermatology”

New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.

research Monilethrix: A Novel Mutation (Glu402Lys) in the Helix Termination Motif and the First Causative Mutation (Asn114Asp) in the Helix Initiation Motif of the Type II Hair Keratin hHb6

29 citations , August 1999 in “Journal of Investigative Dermatology”

research A Variable Monilethrix Phenotype Associated With a Novel Mutation, Glu402Lys, in the Helix Termination Motif of the Type II Hair Keratin hHb1

47 citations , July 1998 in “Journal of Investigative Dermatology”

research A New Mutation in the Type II Hair Cortex Keratin hHb1 Involved in the Inherited Hair Disorder Monilethrix

100 citations , November 1997 in “Human Genetics”

A new mutation in the hHb1 keratin gene is linked to the hair disorder monilethrix.

research Mapping of Monilethrix to the Type II Keratin Gene Cluster at Chromosome 12q13 in Three New Families, Including One with Variable Expressivity

21 citations , September 1997 in “British Journal of Dermatology”

Monilethrix is linked to the type II keratin gene on chromosome 12q13.

research Mutations in the Hair Cortex Keratin HHB6 Cause the Inherited Hair Disease Monilethrix

175 citations , August 1997 in “Nature Genetics”

research A Gene for Monilethrix Is Closely Linked to the Type II Keratin Gene Cluster at 12q13

54 citations , January 1995 in “Human Molecular Genetics”

Monilethrix is linked to a gene cluster on chromosome 12.