Final Flashcards
most common erros of carb metabolism
hyperglycemia (DM type 1 and 2)
maturity-onset diabetes of youth
glucokinase Df
most common monogenetic disorder of carb metabolism
galactosemia
galactosemia
galactose-1-phosphate uridyl transferase
fructosuria
hepatic fructokinase Df
hereditary fructose intolerance
fructose-1-phosphate aldolase
Pompe’s disease
- glycogen
- cardiac muscle
PKU that can’t be treated with phenylalanine restrictions
dihydropteridine reductase Df
acidosis
methylmalonyl CoA mutase Df
tyrosinemia
fumarylacetoacetate hydrolase Df
alkaptonuria
homogentisic acid oxidase Df
- black urine
dislocation of the lens
homocystinuria
most common inborn error of fatty acid metabolism
MCAD
- medium-chain Acyl-CoA dehydrogenase
- fasting
familial hypercholesterolemia
mutation for LDL receptors on liver
skin xanthomas and premature atherosclerosis
familial hypercholesterolemia
smith-lemli-opitz
^7-sterol reductase Df
urea cycle disorders
ornithine transcarbamoylase (OTC) - X-linked
herditary hemochromatosis
mutated HFE gene –> elevated hemosiderin and excess iron
Menkes disease
copper Df
acrodermatitis enteropathica
zinc Df
widespread disorder of epithelial transport and the most common lethal genetic disease that affects caucasians
cystic fibrosis
chronic pulmonary infections and pancreatic insufficiency
cystic fibrosis
mutation to CFTR gene and high sodium chloride
cystic fibrosis
PDGF
glioblastoma
TGF-alpha
sarcomas
FGF
stomach carcinoma
HGF
thryoid carcinoma
ERBB
lung carcinoma
HER2/NEU
breast carcinoma
RET
multiple endocrine
most commonly mutated proto-oncogene in human tumors (30%)
RAS
ABL
lymphoctyic leukemia
CDK4
malignant melanoma
MYC
promotes tumorigenesis
FOS
osteosarcoma
tumor suppressor gene mutation
recessive
Altered in 70 % of human tumors and m/c altered cancer gene (90% missense)
p53
lost in 100% of pancreatic and 85% of colon cancers
TGF-beta
leads to adenomatous polyposis coli
APC
retinoblastoma
RB1
neurofibromatosi
NF1 and NF2
Von-Hippel Lindau disease (renal)
VHL
Wilms tumor
WT1
CDKN2A (CDK4 inhibitor)
familial melanoma
melanoma results from…
activation of CDK4 or loss of CDKN2A
Li-Fraumeni syndrome
inherited germline mutation of p53
xeroderma pigmentosum
nucleotide base excision repair is lost (elevated thymine dimers)
DNA mismatch repair genes associated with HNPCC
MLH1 and MSH2
lifetime risk for colon cancer is 80%
MLH1 and MSH2
80% of familial breast cancer
BRCA1 and BRCA2 (both recessive)
ovarian and prostate cancer
BRCA1
85-90% of tumor cells activate
telomerase
apoptosis inactivation
mutation to FAS/CD95 (extrinsic) and BAX (intrinsic)
anti-apoptotic
BCL-2 and BCL-XL
85% of B-cell lymphomas activate
BCL-2 genes
HYPOmethylation of promoter regions
tumorigenesis
HYPERmethylation may silence tumor suppressors, such as
VHL, APC/MLH1, and BRCA1
interactions at a locus
dominance
between loci
epistasis
disease that corresponds to threshold model
infantile autism
poster child polygenic condition
Hartnup
poster child for gene mutation
oculocutaneous albinism type 1
measures homogeneity of a trait
intraclass correlation coefficient
mutations in a single colon cell
5-10
MZ odds
1/500
RAS family
oncogene
mom makes baby fat
metabolic imprinting
bacterium adopts new genes
transgenic modification
Huntingtons mutation
autosomal dominant
lung carcinoma and glioblastoma
ERBB (oncogene)
nonpolypsosis colon cancer
MLH1 (DNA mismatch repair gene)
trophoblast sample
chorionic villus sampling
thermos aquaticus polymerase
works at high temps
high Cyt p450
ultra rapid metabolizer
FAS as an apoptotic gene
extrinsic pathway
associated with schizophrenia
dysbindin, neuregulin 1, G72
alkaptonuria
homogentisic acid oxidase; tyrosine catabolism
most common urea cycle disorder
OTC (x-linked)
X-linked copper df
menkes
branching enzyme df
Anderson
most common autosomal dominant disorder
familial hypercholesterolemia
sarcomere mutation
hypertrophic cardiomyopathy
mito mutation for cardiac cytoskeleton
dilated cardiomyopathy
mutation in potassium or sodium channels
long QT syndrome
inherited df of protein C and S
stroke
mutation to clotting factor V
stroke
mutation to angio recetpor
HTN
APC
colon cancer
familial colon cancer
mutation to APC tumor suppressor gene
prostate cancer
mutated tumor suppressor gene RNASEL
DNA repair genes for breast cancer
BRCA1/2
human leukocyte antigens
type 1 diabetes
90 % of Caucasians with Type 1 Diabetes have
HLA-DR3 or DR4
genes for type 2 DM
PPAR-y and calpain-10
allelic variation in apolipoprotein E
Alzheimer disease
familial alzheimer disease
APP, PS1, PS2
produce longer amyloid fragments