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Chapter category: DNA Surveillance and Repair

Xeroderma Pigmentosum and Skin Cancer

This chapter appears in the following book:

Molecular Mechanisms of Xeroderma Pigmentosum

Edited by: Shamim I. Ahmad and Fumio Hanaoka
ISBN: 978-0-387-09598-1
» Get more information about this book at landesbioscience.com «

Chapter authors:
Leela Daya-Grosjean


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The hypersensitivity of DNA repair deficient xeroderma pigmentosum (XP) patients to solar irradiation results in the development of high levels of squamous and basal cell carcinomas as well as malignant melanomas in early childhood. Indeed, XP presents a unique model for analysing the effects of unrepaired DNA lesions in skin carcinogenesis. The skin cancer predisposition, observed in XP patients, is due to the mutator gene activity of XP cells which lead to high levels of UV specific modifications of crucial regulatory genes in skin cells leading to cancer. Thus, the high levels of UV specific mutations, seen in oncogenes and tumor suppressor genes, which have been characterized in XP tumors, clearly demonstrate the major role of the UV component of sunlight in skin cancer development. The UV specific C to T and the tandem CC to TT UV signature transition mutations found in XP tumors are located at bipyrimidine sequences, the preferred UV targets in DNA. The same UV specific alterations are seen in key regulatory genes in sporadic skin cancers but at lower frequencies than those found in XP tumors.

Leela Daya-Grosjean
Laboratory of Genetic Instability and Cancer, Institute Gustave Roussy

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Additional chapters from this book:

Historical Aspects of Xeroderma pigmentosum and Nucleotide Excision Repair

James Cleaver

The discovery that xeroderma pigmentosum was a sun‑sensitive hereditary human disease that was deficient in DNA repair was made when research into the fundamental mechanisms of nucleotide excisi...

XPA Gene, Its Product and Biological Roles

Ulrike Camenisch and Hanspeter Nägeli

The 31 kDa XPA protein is part of the core incision complex of the mammalian nucleotide excision repair (NER) system and interacts with DNA as well as with many other NER subunits. In the absence of X...

Xeroderma Pigmentosum and Skin Cancer

Leela Daya-Grosjean

The hypersensitivity of DNA repair deficient xeroderma pigmentosum (XP) patients to solar irradiation results in the development of high levels of squamous and basal cell carcinomas as well as maligna...

XPB and XPD between Transcription and DNA Repair

Brian D. Beck, Dae-Sik Hah and Suk-Hee Lee

Xeroderma pigmentosum group B and D genes (XPB and XPD respectively) are components of the transcription factor IIH (TFIIH), a nine‑subunit complex involved in transcription initiation by RNA po...

Clinical Features of Xeroderma Pigmentosum

Ulrich R. Hengge and Steffen Emmert

Xeroderma pigmentosum (XP) was first described in 1874 by Hebra and Kaposi. Albert Neisser was the first to report neurological abnormalities associated with XP in 1883. XP is an autosomal recessive d...

XPC: Its Product and Biological Roles

Kaoru Sugasawa

The XPC protein is a component of a heterotrimeric complex that is essential for damage recognition in a nucleotide excision repair subpathway that operates throughout the genome. Biochemical analyses...

XPF/ERCC4 and ERCC1: Their Products and Biological Roles

Lisa McDaniel and Roger A. Schultz

At the time of writing, a general search of the literature reveals 259 references that specifically refer to XPF/ERCC4. This puts XPF/ERCC4 around the half way point in a ranking for each of the XP gr...

Other Proteins Interacting with XP Proteins

Steven M. Shell and Yue Zou

Genetic defects in Nucleotide excision repair (NER) lead to the clinical disorder xeroderma pigmentosum (XP) in humans which is characterized by dramatically increased sensitivity to UV light and a pr...

The Nucleotide Excision Repair of DNA in Human Cells and Its Association with Xeroderma Pigmentosum

Alexei Gratchev

Throughout their lifespan all free‑living organisms encounter diverse chemical and physical environmental and endogenous factors leading to DNA damage. Since DNA is a highly reactive macromolecu...

The XPE Gene of Xeroderma Pigmentosum, Its Product and Biological Roles

Drew Bennett and Toshiki Itoh

X­eroderma Pigmentosum (XP) is an inheritable genetic disorder in which patients become very sensitive to ultraviolet (UV) light exposure and prone to skin cancer. Its genetics are complex and multial...

Animal Models of Xeroderma Pigmentosum

Xue-Zhi Sun, Rui Zhang, Chun Cui, Yoshi-Nobu Harada, Setsuji Hisano, Yeunhwa Gu, Yoshihiro Fukui and Hidenori Yonehara

Xeroderma pigmentosum (XP) is a rare autosomal disorder characterized by hypersensitivity of the skin to sunlight specifically to ultraviolet (UV) which can lead to high rate of susceptibility to skin...

Xeroderma Pigmentosum, Its Overlap with Trichothiodystrophy, Cockayne Syndrome and Other Progeroid Syndromes

W. Clark Lambert, Claude E. Gagna and Muriel W. Lambert

Although this volume is devoted to xeroderma pigmentosum (XP), there are, in fact, at least three disorders, XP, trichothiodystrophy, (TTD) and Cockayne syndrome (CS), the etiopathogeneses of which ar...

Roles of Oxidative Stress in Xeroderma Pigmentosum

Masaharu Hayashi

Tissue damage caused by oxidative stress has been implicated in aging, carcinogenesis, atherosclerosis and neurodegeneration. In xeroderma pigmentosum (XP) and Cockayne syndrome (CS), oxidative stress...

Progress and Prospects of Xeroderma Pigmentosum Therapy

Alain Sarasin

Further to a full description of clinical features of xeroderma pigmentosum (XP) in Chapter 2, this disease is characterized by dry skin, hypo and hyper‑pigmentation, actinic keratosis and skin ...

Xeroderma Pigmentosum Variant, XP-V: its Product and Biological Roles

Chikahide Masutani, Fumio Hanaoka and Shamim I. Ahmad

Xeroderma pigmentosum (XP) is a rare autosomal recessive genetic disorder first reported in 1874 by Hebra and Kaposi1 and now known to involve a number of phenotypic characteristics, including photoph...

XPG: Its Products and Biological Roles

Orlando D. Schärer

Xeroderma pigmetosum patients of the complementation group G are rare. One group of XP‑G patients displays a rather mild and typical XP phenotype. Mutations in these patients interfere with the ...

Population Distribution of Xeroderma Pigmentosum

Abdul Manan Bhutto and Sandra H. Kirk

Xeroderma pigmentosum (XP) is a rare autosomal recessive genetic disease caused by defects in the normal repair of DNA of various cutaneous and ocular cell types damaged by exposure to sunlight. Hebra...


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