GenTIGSA Gene Database on Rare Genetic Disorders
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List of monogenic disorders and their associated genes
Monogenic disorders arise from mutations in a single gene, but variations within that gene or in multiple genes can also lead to similar phenotypes, typically following Mendelian inheritance patterns associated with specific genetic changes.

Monogenic disorders list based on single and multiple genes


Disorder Name (Total=5) Aliases Category Gene Indian Reports Link
Polyostotic fibrous dysplasia
(Somatic mosaicism)
Bone disorders GNAS GNAS complex locus
Reports PubMed
Sturge-Weber syndrome
(Somatic mosaicism)
Neuronal disorders GNAQ G protein subunit alpha q
Reports PubMed
CLOVES syndrome
(Somatic mosaicism)
•Congenital Lipomatous Overgrowth, Vascular malformations, Epidermal nevi
•CLOVE Syndrome
Skin disorders PIK3CA phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha
PIK3R1 phosphoinositide-3-kinase regulatory subunit 1
Reports PubMed
Encephalocraniocutaneous lipomatosis
(Somatic mosaicism)
•Haberland syndrome
Neuronal disorders FGFR1 fibroblast growth factor receptor 1
Reports PubMed
Linear nevus sebaceus syndrome
(Somatic mosaicism)
•Nevus sebaceus of Jadassohn
•Jadassohn nevus phakomatosis
•Linear nevus sebaceous
•Organoid nevus phakomatosis
•Schimmelpenning syndrome
•Solomon syndrome
•Sebaceous nevus syndrome and hemimegalencephaly
Skin disorders KRAS KRAS proto-oncogene, GTPase
Reports PubMed