123 Syndromes: Name, Gene, & Inheritance Flashcards
Deletion on 22q11.2 (3-mB del most common) Gene: TBX1 AD, 93% de novo
22q11 Deletion Syndrome
JAG1, NOTCH2 AD
Alagille Syndrome
SCN5A (Pathogenic variants in 22 other genes : ABCC9, CACNA1C, CACNA2D1, CACNB2, FGF12, GPD1L, HCN4, KCND2, KCND3, KCNE5, KCNE3, KCNH2, KCNJ8, PKP2, RANGRF, SCN1B, SCN2B, SCN3B, SCN10A, SEMA3A, SLMAP, and TRPM4, each <1%) AD except KCNE5 - XLR
Brugada Syndrome
BRAF, MAP2K1, MAP2K2, KRAS AD
Cardio-Facio-Cutaneous Syndrome
HRAS AD
Costello Syndrome
ACVRL1, ENG, GDF2, SMAD4 AD
Hereditary Hemorrhagic Telangiectasia
TBX5, SALL4 (related disorder) AD
Hold-Oram Syndrome
PTPN11, RAF1, BRAF, MAP2K1 AD
Noonan Syndrome w/Multiple Lentigines (NS-ML, formerly known as LEOPARD Syndrome)
PTPN11, SOS1, KRAS, RAF1, NRAS, CBL, SHOC2, BRAF, RIT1, SOS2, MAP2K1 AD
Noonan Syndrome
7q11.23 Deletion Contiguous gene deletion syndrome, ELN in the critical region AD most de novo
William Syndrome
ATM AR (carriers have increased risk of breast, colon and pancreatic)
Ataxia-Telengiectasia
BLM AR (1/100 carrier freq in Ashkenazi Jewish)
Bloom Syndrome
FANCA, FANCB, FANCC, FANCD2, FANCE, FANCF, FANCG (Fanconi anemia group A, B, C, D2, E, F, and G protein; 16q24.3, Xp22.3, 9q22.3, 3p25.3, 6p22-21, 11p15, and 9p13) FA-D1 - BRCA2 (Breast cancer type 2 susceptibility protein, 13q12.3) BRIP1 (Fanconi anemia group J protein, 17q22) FANCL (E3 ubiquitin-protein ligase FANCL) AR, AD (RAD51), XLR – FA-B
Fanconi Anemia
FBN2 AD
Congenital Contractural Arachnodactyly (Beals Syndrome)
COL5A1 and COL5A2 AD
EDS Classic Type (Type I and II)
Unknown Gene AD
EDS Hypermobility Type (Type III)
COL3A1 AD
EDS Vascular Type (Type IV)
PLOD1 AR
EDS Kyphoscoliotic Type (Type VI)
TGFBR1, TGFBR2, SMAD3, TGFB2 AD
Loeys-Dietz Syndrome
FBN1 AD
Marfan Syndrome
GJB6 AD
Hidrotic Ectodermal Dysplasia 2
EDA, EDAR, EDARADD XL (EDA:95%), AD or AR (5%)
Hypohidrotic Ectodermal Dysplasia
IKBKG (aka NEMO) XLD (most male fetuses miscarry)
Incontinentia Pigmenti
TYR (OCA1), OCA2, TRYP1, SLC45A2, GPR143 (Ocular) AR, XLR (GPR143)
Oculocutaneous Albinism
NROB1 XLR
X-Linked Adrenal Hypoplasia Congenita
CYP21A2 AR
21 Hydroxylase Deficiency (CAH)
AR XLR
Androgen Insensitivity Syndrome (Testicular Feminization)
KAL, FGFR1 XLR, AD
Kallman Syndrome Type 1 and 2
XXY
Klinefelter Syndome
GNAS Sporadic
McCune-Albright Syndrome
HYMAI, PLAGL1 UPD isodisomy chromosome 6, paternal 6q24 duplication, or 6q24 methylation defect
Transient Neonatal Diabetes Mellitus
X genes that escape inactivation, SHOX Sporadic
Turner Syndrome
FOXL2 AD, 50% de novo
Blepharophimosis, Ptosis & Epicanthus Inversus
GJB2 (Cx26), GJB6 (Cx30) AR
Congenital Hearing Loss – Connexin 26 and 30
HPS1, AP3B1, HPS3,4,5,6,7and 8, HPS9 AR
Hermansky-Pudlak Syndrome
KCNQ1 and KCNE1 AR (Heterozygotes at risk for AD long QT a.k.a. Romano Ward syndrome)
Jervell and Lange-Nielson Syndrome
MTND1, MTND4, MTND6 Mitochondrial
Lever Hereditary Optic Neuropathy
SLC26A4 most common, FOX11, KCNJ10 in rare cases AR
Pendred Syndrome
MYO7A, USH2A + multiple other genes AR
Usher Syndrome
PAX3 AD
Waardenburg Syndrome
HMBS AD
Acute Intermittent Porphyria
HBA1, HBA2 AR - If parents Alpha Thal trait, risk for HbH disease if one parent’s mutations are in cis, at risk for HB Bart if both parents in cis
Alpha Thalassemia
HBB AR
Beta-Thalassemia
F5 AD (moderately inc. risk VTE) AR (significantly inc .risk VTE)
Factor V Leiden Thombophilia
F8 XLR
Hemophilia A
F9 XLR
Hemophilia B
HFE AR (penetrance is low, a large fraction of homozygotes never develop symptoms).
HFE-Associated Hereditary Hemochromatosis
BTK XLR
X-Linked Agammaglobulinemia (Bruton’s Agammaglobulinemia)
MEFV AR
Familial Mediterranean Fever
FGD1 XLR (some AR, AD cases reported)
Aarskog Syndrome
POR AR
Antley-Bixler Syndrome
BBS1, BBS10 AR (though 10% BBS thought to be tri-allelic)
Bardet-Biedl Syndrome
EYA1, SIX1, SIX5 AD
Branchi-Oto-Renal Snydrome
CHD7 AD
CHARGE Syndrome
RPS6KA3 XLD
Coffin-Lowry Syndrome