Shared Flashcard Set

Details

Genetic disease inheritance
Biochem
55
Medical
Graduate
04/15/2013

Additional Medical Flashcards

 


 

Cards

Term
Prader-Willi syndrome
Definition
paternal imprinting on chromosome 15
Term
Angleman's syndrome
Definition
maternal imprinting on chromosome 15
Term
Hypophosphatemic rickets
Definition
x-linked dominant
Term
Mitochondrial myopathies
Definition
heteroplasmy (mitochondrial inheritance)
-raged red fibers
Term
Achondroplasia
Definition
AD
FRFR3 mutation
Term
ADPKD
Definition
AD
PKD1 mutation on chromo 16
Term
FAP
Definition
AD
APC mutation on chromo 5
Term
Familiar hypercholesterolemia
(Familial dyslipidemia type IIa)
Definition
AD
defective or absent LEL receptor
Term
Hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome)
Definition
AD
disorder of blood vessels - telangiectasia, recurrent epistaxis, skin discolorations, AVMs
Term
Hereditary spherocytosis
Definition
AD
spectrin or ankyrin defect
Term
Hungtington's diesease
Definition
AD
trnucleotide repeat (CAG) on chromo 4
Term
Marfan's syndrome
Definition
AD
Fibrillin-1 gene mutation
Term
MEN
Definition
AD
ret mutation with 2A and 2B
Term
Tuberous sclerosis
Definition
AD
incomplete penetrance, variable presentation
facial adenoma sebaceum, ash leaf spots, cortical and retinal hamartomas, seizures, mental retardation, renal cysts and angiomyolipomas, cardiac rhabdomyomas, inc incidence of astrocytomas
Term
von Hippel-Lindau disease
Definition
AD
deletion of VHL gene on chromo 3p
hemangioblastomas of retina/cerebellum/medulla, multiple bilateral renal cell carcinomas
Term
Albinism
Definition
AR
dec melanin production
Term
ARPKD (infantile polycystic kidney disease)
Definition
AR
comp to ADPKD
Term
CF
Definition
AR
defect in CFTR gene on chromo 7, commonly deletion of Phe on chromo 508
Term
Glycogen storage diseases
Definition
AR
eg - von Gierke's, Pompe's, Cori's, McArdle's
Term
Hemochromatosis
Definition
AR
cirrhosis, DM, skin pigmentation
Term
Mucopolysaccharidoses
Definition
AR
except Hunter's
Term
PKU
Definition
AR
defic in PAH
Term
Sickle cell anemias
Definition
AR
substituion of glutamic acid with valine at position 6
Term
Sphingoliposes
Definition
AR
except Fabry's
Term
Thalassemais
Definition
AR
dec gene synthesis
a - Asian and African pops
B - Mediterranean pops
Term
Bruton's agammaglobulinemia
Definition
x-linked recessive
BTK gene mutation causes defective tyrosine kinase, inappropriate maturation of B cells
Term
Wiskott-Aldrich syndrome
Definition
x-linked recessive
WAS gene muta - thrombocytopenic purpura, infections, eczema
Term
Fabry's diease
Definition
x-linked recessive
deficient a-galactosidase A leads to accumulation of ceramide trihexoside
Term
Lesch-Nyhan syndrome
Definition
x-linked recessive
dec HGPRT, leads to excess uric acid production and de novo purine synthesis
Term
Duchenne's (and Becker's) MD
Definition
x-linked recessive
DMD gene frameshift mutation
Term
Hunter's syndrome
Definition
x-linked recessive
mild Hurler's + aggressive behavior
deficiency of iduronate sulfatase causes accumulation of heparan sulfate, dermatan sulfate
Term
Hemophilia A and B
Definition
x-linked recessive
A - deficiency of factor VIII
B - deficiency of factor IX
Term
Ornithine transcarbamoylase deficiency
Definition
x-linked recessive
cannot eliminate ammonia
Term
Fragile X syndrome
Definition
x-linked trinucleotide repeat (CGG)
FMR1 gene mutation
Term
Huntington's diease
Definition
CAG trinucleotide repeat
Term
Myotonic dystrophy
Definition
CTG trinucleotide repeat
Term
Friedreich's ataxia
Definition
GAA trinucleotide repeat
Term
Down's syndrome
Definition
trisomy 21
inc risk of ALL and Alzheimer's diease
dec a-FP, inc B-hCG, dec estriol, inc inhibin A
Term
Edward's syndrome
Definition
trisomy 18
dec a-FP, dec B-hCG, dec estriol, normal inhibin A
Term
Patau's syndrome
Definition
trisomy 13
dec free B-hCG, dec PAPP-A, inc nuchal translucency
Term
Cri-du-chat syndrome
Definition
microdeletion of short arm of chromo 5
Term
William's syndrome
Definition
microdeletion of long arm of chromo 7 (includes elasin gene)
Term
DiGeorge syndrome
Definition
22q11 deletion - aberrant dev of 3rd and 4th branchial pouches
thymic, parathyroid, cardiac defects
Term
Velocardiofacial syndrome
Definition
22q11 deletion - aberrant dev of 3rd and 4th branchial pouches
palate, facial, cardiac defects
Term
G6PD deficiency
Definition
x-linked recessive
hemolytic anemia caused by fava beans, sulfonamides, primaquine, antituberculosis drugs, infection
Term
Essential fructosuria
Definition
AR
defect in fructokinase
Term
Fructose intolerance
Definition
AR
defic aldolase B
Term
Galactokinase deficiency
Definition
AR
galactitol accumulates
Term
Classic galactosemia
Definition
AR
absent galactose-1-phosphate uridyltransferase
Term
Alkaptonuria (ochronosis)
Definition
AR
defic homogentisic acid oxidase (degrades tyrosine to fumarate)
pee turns black with prolonged exposure to air
Term
Homocystinuria
Definition
AR (all three forms)
Term
Cystinuria
Definition
AR
defect of renal tubular amino acid transporter
Term
Hypertriglyceridemeia
(Familial dyslipidemia type IV)
Definition
AD
hepatic overproduciton of VLDL
Term
Hyperchylomicronemia
(Familial dyslipidemia type IV)
Definition
AR
lipoprotein lipase deficiency or altered apolipoprotein C-II
Term
Abetalipoproteinemia
Definition
AR
mutation in MTP gene causes dec B48 and B100 - dec chylomicron and VLDL synthesis and secretion
failure to thrive, steatorrhea, acanthocytosis, ataxia, night blindness
Supporting users have an ad free experience!