GENETIC MUTATIONS Flashcards
Fibrous Dysplasia
GNAS
Osteogenesis Imperfecta
COL1A1 / COL1A2
Osteopetrosis
RANK / RANKL
Cleidocranial Dysplasia
RUNX2 (CBFA1)
Paget Disease
SQSTM1
Cherubism
SH3BP2
Aneurysmal Bone Cyst
USP6
Gnatho-diaphyseal dysplasia
GDD1 (TMEM16E)
Ossifying fibroma (hyperparathyroidism-jaw tumor syndrome)
HRPT2
Juvenile ossifying fibroma
(X;2) translocation
Gardner syndrome (FAP)..chromosome?
adenomatous polyposis coli (APC)…ch 5
Chondroma
IDH1
Soft tissue fibromatosis (Desmoid tumor)
CTTNB1
Osteosarcoma
p53,RB1
Osteoblastoma
Mutations of 22p
Chondromyxoid fibroma
Mutations of chromo 6
Neurofibromatosis Type 2..chromosome? protein?
NF2, Chromosome 22, merlin protein
Schwannomatosis
SMARCB1 Chromosome 22
Multiple Endocrine Neoplasia type 1 (MEN 1)
MEN1
Medullary Thyroid Carcinoma (MTC)
RET proto-oncogene
Multiple Endocrine Neoplasia type 2A (MEN 2A)
RET proto-oncogene codon 634
Multiple Endocrine Neoplasia type 2B (MEN 2B)
RET proto-oncogene codon 918
Port wine stain
GNAQ
Uveal melanoma
GNAQ
Sturge-Weber Syndrome
GNAQ (nonhereditary / somatic) Chromosome 9q21
Alveolar Soft-Part Sarcoma
t(X,17) resulting in ASPL-TFE3 fusion gene
Synovial Sarcoma
t(X,18) resulting in SS18-SSX fusion gene
Embryonal Rhabdomyosarcoma
Loss of heterozygosity at chromo 11p15.5
Alveolar Rhabdomyosarcoma
PAX3-FKHR and PAX7-FKHR (FOX01)(chromosome ?)
Phosphaturic Mesenchymal Tumor
FN1-FGFR1 fusion gene (expression of FGF23 in the tumor)
Pleomorphic Adenoma
PLAG1 (pleomorphic adenoma gene 1) chromosome 8q12
HMGA2
Secretory Carcinoma (formerly MASC)
ETV6-NTRK3 t(12,15)
Multifocal epithelial hyperplasia (Heck Disease) HLA and HPV types
HLA-DR4 allele….HPV 13,32
Verruciform xanthoma (cutaneous)
3-beta-hydroxysteriod dehydrogenase (somatic mutation)
Seborrheic Keratosis
FGFR3 and PIK3CA
Ephelis (freckle)
MC1R
Actinic Lentigo
FGFR3 and PIK3CA
Acquired melanocytic nevus (mole)
BRAF
Spitz nevus
HRAS
Melanoma (7)
CDKN2A, CDK4, MC1R, BRAF, KIT (mucosal melanoma especially), MAPK, PI3K/AKT
Blue Nevus
GNAQ (rarely BRAF)
Chromosomes associated with risk of malignant transformation of leukoplakia
Loss of heterozygosity 3p and 9p
Actinic keratosis
TP53
HPV associated squamous cell carcinoma (4)
E6 (degrades p53) and E7 (inactivates pRb), increased p16, WTp53
Oral SCC (7)
RAS, MYC, EGFR, TP53, pRb, p16, E-cadherin
Nuclear protein in testis midline carcinoma
NUT chromosome 15q14
Basal Cell Carcinoma (3)
PTCH (“patched”), SMO (“smoothened”), TP53
Congenital melanocytic nevus
NRAS
BCC
Genetic susceptibility for certain allelic variants of MC1R gene PTCH gene (both NBCCS and sporadic) SMO (smoothened)
LADD (Lacrimo-auriculo-dento-digital)
FGF10
Paraganglioma syndrome 4
SDHB mutations
Cyclic neutropenia
ELA-2 (ELAINE) gene mutation
Thrombotic thrombocytopenic purpura (TTP)
ADAMTS13 gene mutation
Polycythemia vera
JAK2
Chronic myeloid leukemia (CML)
Philadelphia chromosome = translocation ch22 and ch9 → BCR-ABL gene fusion
Langerhans cell histiocytosis
BRAF (40-60% of lesions)
Burkett Lymphoma
8:14 translocation (cmyc overexpression)
Incontinentia pigmenti
Xq28, NEMO gene
Darier Disease (and the thing it encodes)
ATP2A2 gene, encodes SERCA2 pump
Puetz-Jeghars Syndrome
STK11 (LKB1)
Hereditary Hemorrhagic Telangectasia 1
ENG Chormo 9
Hereditary Hemorrhagic Telangectasia 2
ALK1 (ACVRL1 chromo 12)
Hereditary Hemorrhagic Telangectasia + Juvenile polyposis
MADH4
Ehlers-Danlos Type 8
Chromosome 12p13
Tuberous Sclerosis
TSC1 (Chromo 9) or TSC2 (Chromo 16 *more common)
Multiple hamartoma syndrome (Cowden)
PTEN (Chromo 10)
Epidermolysis Bullosa simplex
Mutations in genes for keratin 5 and 14
Epidermolysis Bullosa junctional
Mutations in genes for laminin-332, type XVII collagen, and alpha 6 - Beta 4 integrin
Epidermolysis Bullosa dystrophic
Mutations in genes for type VII collagen
Kindler syndrome
FERMT1 which codes for kindlin-1 (hemidesmosomal attachment protein
Van Der Woude
IRF6
Crouzon or Apert Syndrome
FGFR2
Pachyonichia Congenita:
Oral leukoplakia:
Neonatal teeth:
oral leukoplakia: keratin 6A
neonatal teeth: keratin 17
Lipoid proteinosis
ECM1
Dermatosis Papulosa Nigra
FGFR3, PIK3CA (same as Seb Ker & Actinic lentigo)
Treacher Collins (Mandibulofacial Dysostosis)
TCFO1
Mucoepidermoid Carcinoma
MAML2-CRTC1 t(11,19)
Adenoid cystic carcinoma
MYB-NFIB
Nevoid basal cell carcinioma syndrome (Gorlin Syndrome)
PTCH1
Solitary fibrous tumor (what is the old name for this?)
STAT6 (old name: hemangiopericytoma)
Pierre-Robin Sequence
SOX9
DeGeorges
CATCH22
Papillon-Lefevre & Hiam-Munk
CTSC (capthespsin C)