ABSTRACT Epidermolysis Bullosa (EB) is a group of genetic skin disorders characterized by extreme skin fragility and blistering. In North African countries, including Tunisia, complex genetic and phenotypic diversity is entangled with a scarcity of scientific research on EB. This lack of knowledge presents a distinct challenge in terms of diagnostic accuracy and patient care. Our study cohort includes 10 Tunisian patients with EB whose genetic profiles were investigated by exome sequencing. In silico analysis was conducted to determine the functional impact of three novel variants. We revealed ten genetic variants, including three novel ones within the COL7A1 and DST genes. The in silico analysis shed light on the potential structural and functional implications of these novel variants. By establishing the correlation between clinical features and genetic alterations, we have expanded the existing database of disease‐causing variants associated with EB in Northern Africa. Our study fills a critical knowledge gap in the North African context, where the scarcity of clinical database and genetic testing in addition to the genetic diversity necessitates comprehensive research. Our findings have the potential to improve diagnosis and management strategies for EB patients in low and middle‐income countries across the region, especially through the integration of exome sequencing and in silico analysis.

Haifa El Mabrouk

Houcemeddine Othman

Lobna Boussofarra

Moez Gribaa

Ali Saad

Mohamed Denguezli

Cristina Has

Dorra H'mida

American Journal of Medical Genetics Part A

美国医学遗传学杂志 - A 部分 (AJMG) 为您提供遗传疾病和出生缺陷的所有生物学和医学方面的持续报道，以及在当前基因型/表型相关性的背景下深入记录表型分析。除了 A 部分，AJMG 还出版了另外两个部分： B 部分：神经精神遗传学，涵盖了对神经和精神疾病遗传机制的实验和临床研究。 C 部分：医学遗传学研讨会，客座编辑的主题评论合集AJMG 读者的热门话题。

The American Journal of Medical Genetics, Part A focuses on the biological and medical aspects of genetic disorders and birth defects, providing ongoing research and in-depth analysis of phenotype in the context of current genotype/phenotype correlations. In addition to Part A, AJMG publishes two other parts: Part B, which covers experimental and clinical studies on the genetic mechanisms of neuropsychiatric disorders; and Part C, which is a collection of themed reviews edited by guest editors on topics of interest to AJMG readers.

《American Journal of Medical Genetics, Part A》（美国医学遗传学杂志 - A 部分）专注于遗传疾病和出生缺陷的生物学与医学各个方面的持续研究，深入探讨基因型与表型之间的关系。除了 A 部分外，AJMG 还出版了两个其他部分：B 部分专注于神经精神遗传学，涵盖神经和精神疾病的遗传机制的实验与临床研究；C 部分则是医学遗传学研讨会，汇集了客座编辑对AJMG读者感兴趣的热门话题的评论合集。

Category	Quartile
生物学	4
生物学, 遗传学	4

Genetic Insights Into Epidermolysis Bullosa: Identification of Novel Variants in Tunisian Patients

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Journal Info

Category	Quartile
GENETICS & HEREDITY	3