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235 Cards in this Set

  • Front
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physical findings in hyperlipidemia?
plaques in blood vessel walls, nodules in skin (xanthomas), deposits in tendon (especially achilles), corneal arcus
Monckeberg arteriosclerosis?
calcification in media of arterias, usually benign; does not obstruct blood flow or involve intima
progression of atherosclerosis?
endothelial cell dysfunction -> macrophage and LDL accumulation -> foam cell formation -> fatty streaks -> smooth muscle cell migration (involves PDGF and TGF-beta) -> fibrous plaque -> complex atheromas
most common locations of atherosclerosis?
abdominal aorta > coronary arter > popliteal artery > carotid artery
mechanism of statins?
HMG-coA reductase inhibitors;
inhibit production of cholesterol precursor (mevalonate)
mechanism of niacin?
inhibits lipolysis in adipose tissue; reduces hepatic VLDL secretion into circulation
mechanism of bile acid resins
prevent intestinal reabsorption of bile acids causing liver to use cholesterol to make more
mechanism of cholesteral absorption blockers?
(ezetimibe)
prevents cholesterol reabsorption at small intestine brush border
mechanism of fibrates?
upregulates LPL leading to increased TG clearance
signaling pathway for production of insulin?
glucose in pancreatic beta cells causes production of ATP which signals the closing of potassium channels causing depolarizing of cells
what cells don't need insulin for glucose uptake?
Brain
RBCs
Intestine
Cornea
Kidney
Liver
where is GLUT-1 found?
RBCs, brain
where is GLUT-2 found?
(bidirectional, facilitated diffusion)
beta islet cells, liver, kidney, small intestine
where is GLUT-4 found?
(insulin responsive)
adipose tissue, skeletal muscle
17alpha-hydroxylase deficiency?
decreased levels of all sex hormones and cortisol, increased levels of aldosterone; leads to hypertension and hypokalemia, external female genitalia
21 hydroxylase deficiency?
decreased cortisol and mineralocorticoids with increased sex hormones; leads to masculinization/female pseudohermaphroditism with hypotension, hyperkalemia; newborn salt wasting
which endocrine hormones use cAMP signaling pathway?
FSH, LH, ACTH, TSH
CRH, hCG, ADH, MSH, PTH
calcitonin, GHRH, glucagon
which endocrine hormones use cGMP signaling pathway?
ANP, NO
which endocrine hormones use IP3 signaling pathway?
GnRH
Oxytocin
ADH
TRH
which endocrine hormones use cytosolic steroid receptors?
Vitamin D, Estrogen, Testosterone, Cortisol, Aldosterone, Progesterone
which endocrine hormones use nuclear steroid receptors?
T3/T4
which endocrine hormones use intrinsic tyrosine kinase signaling pathway?
insulin, IGF-1, FGF, PDGF
which endocrine hormones use receptor-associated tyrosine kinase (JAK/STAT)?
GH, prolactin
pathophys of alpha-1 antitrypsin deficiency?
misfolded gene product protein accumulates in hepatocellular ER. Absence in lungs leads to overactivity of elastase -> panacinar emphysema
pathophys of physiologic neonatal jaundice?
immature UDP-glucuronyl transferase leads to unconjugated hyperbilirubinemia
levels of urine bilirubin in hemolytic jaundice?
none -- unconjugated hyperbilirubinemia is not water soluble
Gilbert's syndrome
elevated unconjugated bilirubin. Mild disease. Due to decreased UDP-glucuronyl transferase or decreased bilirubin uptake
Crigler-Najjar syndrome, type 1 and type 2
Missing UDP-glucuronyl transferase; increased unconjugated bilirubin causing jaundice and kernicterus; patients die young;
type 2: less severe, responds to phenobarbital
Dubin-Johnson syndrome
conjugated hyperbilirubinemia and grossly black liver due to defective liver excretion of bilirubin. Benign.
Wilson's disease
inadequate hepatic copper excretion causing copper accumulation in liver, brain, cornea, kidneys, joints. Treat with penicillamine
Hemophilia A
deficiency of factor VIII
Hemophilia B
deficiency of factor IX
what coagulation proteins does vitamin K affect?
factors II, VII, IX, X, protein C, protein S
what does antithrombin inhibit?
thrombin, factors IXa, Xa, XIa, XIIa
causes of microcytic anemia
iron deficiency, alpha/beta thalassemia, lead poisoning, sideroblastic anemia
causes of macrocytic anemia
megaloblastic anemia caused by folate deficiency or B12 deficiency
non-megaloblastic anemia caused by: liver disease, alcoholism, reticulocytosis, metabolic disorders, drugs
missing enzyme and accumulated substrate in acute intermittent porphyria
missing porphobilinogen deaminase, leading to accumulation of porphobilinogen, delta-ALA, uroporphyrin
missing enzyme and accumulated substrate in porphyria cutanea tarda
missing uroporphyrinogen decarboxylase leading to accumulation of uroporphyrin
products of arachidonic acid?
lipoxygenase -> leukotrienes
COX-1, COX-2 -> prostacyclin, prostaglandins, thromboxane
trinucleotide repeat associated with Huntington's?
CAG
most common form of male pseudo-hermaphrodism?
androgen insensitivity syndrome
sex hormone levels in androgen insensitivity syndrome?
increased testosterone, estrogen, LH
presentation of 5alpha-reductase deficiency?
"penis at 12"
ambiguous genitalia until puberty when increased testosterone causes masculinization of external genitalia; normal testosterone/estrogen levels
Where are fat soluble vitamins absorbed?
ileum; dependent on pancreatic enzymes
thiamine
B1
riboflavin
B2
Niacin
B3
Pantothenic Acid
B5
Pyridoxine
B6
Cobalamin
B12
Ascorbic Acid
Vit C
Fxn of thiamine?
Vit B1; as thiamine pyrophosphate (TPP) necessary as cofactor for:
1. Pyruvate dehydrogenase (glycolysis)
2. alpha-ketoglutarate dehydrogenase (TCA cycle)
3. Transketolase (HMP shunt)
4. Branched-chain AA dehydrogenase
thiamine deficiency?
Wernicke-Korsakoff syndrome and beriberi; damage to medial dorsal nucleus of thalamus, mamillary bodies
function of riboflavin?
Vit B2; cofactor in oxidation/reduction (FADH2)
symptoms of riboflavin deficiency?
Vit B2; cheilosis (inflammation of lips, scaling and fissures at corners of mouth), corneal vascularization
Function of niacin?
Vit B3; used in NAD+/NADP+
Symptoms of niacin deficiency?
Vit B3; severe deficiency leads to pellagra (diarrhea, dermatitis, dementia)
Function of pantothenate?
Vit B5; essential component of CoA and fatty acid synthase
Synthesis of Niacin?
Vit B3; derived from tryptophan; synthesis requires vitamin B6
Function of cobalamin?
Vit B12; cofactor for homocysteine methyltransferase
Cobalamin deficiency?
Vit B12; causes macrocytic, megaloblastic anemia with hypersegmented PMNs and neurologic symptoms
Usually caused by malabsorption, lack of intrinsic factor, or absence of terminal ileum
Function of folate?
Converted to tetrahydrofolate (THR), coenzyme for 1-carbon transfer/methylation reactions; important for synthesis of nitrogenous bases in DNA/RNA
Folic acid deficiency symptoms?
Macrocytic, megaloblastic anemia without neurologic symptoms; seen in alcoholism and pregnancy
S-adenosyl-methionine
used in transfering of methyl units (produced by ATP + methionine, requires Vit B12 and folate); used in conversion of NE to epinephrine
Function of biotin?
(B7) cofactor for carboxylation enzymes (add 1-carbon group): pyruvate carboxylase, acetyl-CoA carboxylase, propionyl-CoA carboxylase
Three functions of vitamin C (besides antioxidant properties)?
1. facilitates iron absorption by keeping iron in Fe2+ state
2. necessary for hydroxylation of proline and lysine in collagen synthesis
3. necessary for dopamine beta-hydroxylase (conversion of dopamine to NE)
Four forms of Vitamin D?
D2 = ergocalciferol (ingested from plants)
D3 = cholecalciferol (consumed in milk, formed in sun-exposed skin)
25-OH D3 (storage form)
1,25-(OH)2 D3 = calcitriol (active form)
Actions of vitamin D?
causes increased intestinal absorption of calcium and phosphate, increased bone resorption
Symptoms of vitamin E deficiency?
increased fragility of erythrocytes (hemolytic anemia), muscle weakness, posterior column and spinocerebellar tract demyelination
MOA of vitamin K?
catalyzes gamma-carboxylation of glutamic acid residues on clotting factors/proteins
Anosmia, delayed wound healing, decreased adult hair?
Zinc deficiency
macrocytic, megaloblastic anemia with hypersegmented PMNs and neurologic symptoms?
Vitamin B12 deficiency
vitamin deficiency caused by phenytoin, sulfonamides, methotrexate?
folate
vitamin deficiency caused by excessive ingestion of raw eggs?
biotin
swollen gums, bruising, anemia, poor wound healing
scurvy! Vitamin C deficiency
hypercalcemia, hypercalciuria, loss of appetite, stupor?
excess vitamin D
hemolytic anemia, muscle weakness, posterior column and spinocerebellar tract demyelination
vitamin E deficiency
dermatitis, glossitis, diarrhea?
B-complex deficiencies
night blindness, dry skin?
vitamin A deficiency
in utero exposure causing cleft palate, cardiac abnormalities?
vitamin A (retin-A cannot be used in pregnancy!)
arthralgias, fatigue, headaches, sore throat, alopecia
vitamin A excess
dry vs wet beriberi?
dry = polyneuritis, symmetrical muscle wasting; wet adds high output cardiac failure (dilated cardiomyopathy) and edema
administration of what vitamin causes facial flushing?
Niacin (vitamin B3)
which nucleotides are purines?
adenine, guanine
which nucleotides are pyramidines?
cytosine, thymine, uracil
relationship of uracil to other nucleotides?
deamination of cytosine makes uracil; methylation of uracil makes thymine; takes place of thymine in RNA
GC vs AT bond?
GC has three H bonds; stronger than 2 bonds of AT\
Amino acids necessary for purine synthesis?
Glycine, Aspartate, Glutamine
precursor for all purines?
IMP
common precursor for pyrimadines?
orotate; PRPP added to generate UMP -> UTP
MOA of hydroxyurea?
inhibits ribonucleotide reductase; used in myeloproliferative diseases
MOA of 6-mercaptopurine?
blocks de novo purine synthesis
MOA of 5-fluorouracil?
inhibits thymidylate synthase
-antimetabolite, disrupts DNA replication by interrupting pyrimidine synthesis
MOA of methotrexate?
inhibits dihydrofolate reductase
MOA of trimethoprim?
inhibits dihydrofolate reductase
lab test used to differentiate orotic aciduria from OTC deficiency?
in orotic aciduria, no hyperammonemia
major cause of SCID?
adenosine deaminase deficiency; leads to imbalances of nucleotide pool that prevents DNA synthesis and decreases lymphocyte count
enzyme deficiency in Lesch-Nyhan syndrome?
absent HGPRT leading to defective purine salvage and excess uric acid production
findings in Lesch-Nyhan syndrome?
excess uric acid production; retardation, self-mutilation, aggression, hyperuricemia, gout, choreoathetosis
Start codon?
AUG, codes for methionine in eukaryotes
exceptions for universality of genetic code?
mitochondria, archaebacteria, mycoplasma, some yeasts
enzyme responsible for unwinding DNA template at replication fork during DNA replication?
helicase
MOA of fluoroquinolones?
inhibit DNA gyrase (a prokaryotic specific topoisomerase)
enzyme responsible for degrading RNA primer during DNA replication in prokaryotes?
DNA polymerase I
genetic defect in xeroderma pigmentosum?
mutation leading to faulty nucleotide excision repair of thymidine dimers
genetic defect in hereditary nonpolyposis colorectal cancer?
faulty mismatch repair
mRNA stop codons
UGA, UAA, UAG
post-transcriptional modification of RNA in eukaryotes?
1. cap on 5' end (7-methylguanosine)
2. polyadenylation on 3' end
3. splicing out of introns
MOA of tetracyclines?
bind to 30s subunit of ribosome, preventing attachment of tRNA
MOA of aminoglycosides?
inhibit protein synthesis by inhibiting formation of initiation complex and causing misreading of mRNA
MOA of chloramphenicol?
inhibitis ribosomal 50S peptidyltransferase
MOA of macrolides and clindamycin?
bind to 50s ribosomal subunit, blocking translocation
post-translational modification of proteins?
trimming, covalent alterations, proteasomal degradation of defective proteins
what types of cells are rich in RER?
secretory cells like mucus-secreting goblet cels of small intestine and antibody-secreting plasma cells
what types of cells are rich in SER?
sites of steroid synthesis and detoxification like liver hepatocytes and steroid hormone-producing cells of adrenal cortex
what is role of mannose-6-phosphate tag added by golgi aparatus?
targets protein to lysosome
role of COPI vs COPII in golgi trafficking?
COPI: retrograde (golgi -> ER)
COPII: anterograde (RER ->cis-Golgi)
what is I-cell disease?
inherited lysosomal storage disorder involving failure of addition of mannose-6-phosphate to lysosomal proteins by golgi body; results in coarse facial features, clouded corneas, restricted joint movement, high plasma levels of lysosomal enzymes
composition and role of microtubules?
composed of alpha and beta tubulin; used in flagella, cilia, mitotic spindles, slow axoplasmic transport in neurons
Chediak-Higashi syndrome?
microtubule polymerization defect resulting in decreased phagocytosis, resuling in recurrent infections, partial alibinism, peripheral neuropathy
Kartagener's syndrome?
immotile cilia due to dynein defect, resulting in immotile sperm, bronchiectasis, recurrent sinusitis; associated with situs inversus
Kartagener's syndrome is associated with what anatomical abnormality?
situs inversus
MOA of cardiac glycosides (digoxin and digitoxin)
directly inhibit sodium-potassium ATPase, leading to indirect inhibition of sodium/calcium exchange, leading to increased calcium concentration and increased cardiac contractility
type I collagen
bone, skin, tendon, fascia, cornea, late wound repair
type II collagen
cartilage
type III collagen
reticulin: skin, blood vessles, uterus, fetal tissue, granulation tissue
type IV collagen
basement membrane/basal lamina
structure of collagen alpha chains (preprocollagen)?
Gly-X-Y (X and Y are proline, hydroxyproline, or hydroxylyine)
vitamin required as cofactor for hydroxylation of preprocollagen?
vitamin C
defect in Ehlers-Danlos syndrome?
faulty collagen synthesis, most commonly type III collagen
symptoms of Ehlers-Danlos? Associated with what other anatomical problems?
primary symptoms include hyperextensible skin, easy bruising, hypermobile joints; also associated with joint dislocation, berry aneurysms, organ rupture
defect in osteogenesis imperfecta? Symptoms?
abnormal type I collagen leading to multiple fractures, blue sclerae, hearing loss, dental imperfections
defect in alport's syndrome? Symptoms?
abnormal type IV collagen causing defects in basement membrane in kidney, ears, eyes; symptoms include progressive hereditary nephritis and deafness
defect in marfan's syndrome?
fibrillin
genetic defect that can lead to emphysema?
alpha-1-antitrypsin deficiency leading to excess elastase activity
southern/northern/western blot
southern = DNA
northern = RNA
western = protein
heteroplasmy
presence of both normal and mutated mitochondrial DNA, resulting in variable expression of a mitochondrial inherited disease
chromosome involved in prader-willi/angelman?
Chromosome 15
example of x-linked dominant disorder?
hypophosphatemic rickets (increased phosphate wasting at proximal tubule)
chromosome involved in autosomal dominant polycystic kidney disease?
Chromosome 16
chromosome involved in familial adenomatous polyposis?
Chromosome 5
Chromosome involved in huntington's disease?
Chromosome 4
region of brain that atrophies in huntington's disease? Neurotransmitters involved?
Caudate atrophy; decreased levels of GABA and Ach
Chromosome involved in Neurofibromatosis type 1?
Chromosome 17
Chromosome involved in neurofibromatosis type 2?
Chromosome 22
Genetic disorder causing bilateral acoustic schwannomas and juvenile cataracts?
Neurofibromatosis type 2 (chromosome 22)
Chromosome involved in von Hippel-Lindau disease?
Chromosome 3
Chromosome involved in cystic fibrosis?
Chromosome 7
Treatment for cystic fibrosis?
N-acetylcysteine to losen mucous plugs
gene affected in fragile X syndrome?
FMR1
diseases caused by trinucleotide repeat expansion?
Huntington's disease, myotonic dystrophy, Friedreich's ataxia, fragile X syndrome
Results of pregnancy quad screen seen in down sydrome?
decreased alpha-fetoprotein, increased beta-hCG, decreased estriol, increased inhibin A
Chromosome affected in cri-du-chat syndrome?
Chromosome 5
Chromosome affected in Williams syndrome?
Chromosome 7
Chromosome affected in DiGeorge and Velocardiofacial syndrome?
Chromosome 22 (CATCH 22)
C-cleft palate
A-abnormal facies
T-thymic aplasia
C-cardiac defects
H-hypocalcemia 2/2 parathyroid aplasia
two enzymes involved in ethanol metabolism? Inhibitors?
alcohol dehydrogenase (inhibited by fomipizole)
acetaldehyde dehydrogenase (inhibited by disulfiram)
location of enzymes involved in ethanol metabolism?
alcohol dehydrogenase located in cytosol;
acetaldehyde dehydrogenase located in mitochondria
limiting reagent in ethanol metabolism?
NAD+
mechanism of hepatocellular steatosis seen in chronic alcoholism?
ethanol metabolism uses up NAD+, causing diversion of pyruvate to lactate, oxaloacetate to malate; this inhibits gluconeogenesis and stimulates fatty acid synthesis
what parts of metabolism take place in mitochondria?
fatty acid oxidation, acetyl-CoA production, TCA cycle, oxidative phosphorylation
what parts of metabolism take place in cytoplasm?
glycolysis, fatty acid synthesis, HMP shut, protein and steroid synthesis
which parts of metabolism utilize both mitochondria and cytoplasm?
Heme synthesis, Urea cycle, Gluconeogenesis
rate determining enzyme of glycolysis
phosphofructokinase-1
rate determining enzyme of gluconeogenesis
fructose-1,6-bisphosphatase
rate determining enzyme of TCA cycle
isocitrate dehydrogenase
rate determining enzyme of glycogen synthesis
glycogen synthase
rate determining enzyme of glycogenolysis
glycogen phosphorylase
rate determining enzyme of HMP shunt?
glucose-6-phosphate dehydrogenase
rate determining enzyme of de novo pyrimidine synthesis
carbamoyl phosphate synthetase II
rate determining enzyme of de novo purine synthesis
glutamine-PRPP amidotransferase
rate determining enzyme of urea cycle
carbamoyl phosphate synthetase I
rate determining enzyme of fatty acid synthesis
acetyl-CoA carboxylase
rate determining enzyme of fatty acid oxidation
carnitine acyltransferase I
rate determining enzyme of ketogenesis
HMG-CoA synthase
rate determining enzyme of cholesterol synthesis
HMG-CoA reductase
universal electron acceptors?
NAD+, NADP+, FAD+
when is NADPH used as supply of reducing equivalents?
anabolic processes
respiratory burst
P-450
glutathione reductase
where is glucokinase found?
in liver and beta cells of pancreas; low affinity/high capacity
complex II of electron transport chain?
succinate dehydrogenase
why can't muscle participate in gluconeogenesis?
lacks glucose-6-phosphatase
why can't even chain fatty acids be used to produce new glucose?
only odd chain fatty acids yield propionyl-CoA, which can enter TCA cycle as succinyl-CoA
purpose of HMP shunt?
to provide source of NADPH; does not use or produce ATP
essential fructosuria vs fructose intolerance?
essential fructosuria involves defect in fructokinase; benign/asymptomatic as fructose never enters cells

fructose intolerance is deficiency of aldolase B, leading to accumulation of fructose-1-phosphate in cells, causing decrease in available phosphate and inhibition of glycogenolysis and gluconeogenesis
galactokinase deficiency vs classic galactosemia
galactokinase deficiency: galactose and galactitol accumulate in blood and urine; causes infantile cataracts; relatively mild;
classic galactosemia is deficiency of uridyl transferase, leading to accumulation of galactose-1-phosphate and toxic metabolites in cells;causes failure to thrive, jaundice, hepatomegaly, infantile cataracts, mental retardation
Essential glucogenic amino acids?
Met, Val, Arg, His
Essential ketogenic amino acids?
Leu, Lys
Acidic amino acids?
Asp, Glu
Basic amino acids?
Arg, Lys, His
how does hyperammonemia lead to inhibition of TCA cycle?
excess NH4+ depletes alpha-ketoglutarate
inheritance of OTC deficiency?
x-linked recessive
Derivatives of phenylalanine?
tyrosine -> dopa -> dopamine -> NE -> Epi
Derivatives of tryptophan
Niacin -> NAD+/NADP+
Serotonin -> Melatonin
Derivatives of Histidine
Histamine
Derivatives of Glycine
Porphyrin -> Heme
Derivatives of Arginine
Creatinine
Urea
Nitric oxide
Derivatives of Glutamate
GABA
Glutathione
lens subluxation?
homocystinuria
three forms of homocystinuria?
1. cystationine synthase deficiency
2. decreased affinity of cystationine synthase for pyridoxal phosphate
3. homocysteine methyltransferase deficiency
physical findings of homocystinuria?
tall stature, osteoprosis, kyphosis, lens subluxation, atherosclerosis
maple syrup urine disease?
blocked degradation of branched amino acids (Ile, Leu, Val)
Von Gierke's disease
type I glycogen storage disease; missing glucose-6-phosphatase; causes severe fasting hypoglycemia and hepatomegaly
Pompe's disease
type II glycogen storage disease; missing lysosomal alpha-1,4-glucosidase; causes cardiomegaly, early death
Cori's disease
type III glycogen storage disease; missing debranching enzyme (Alpha-1,6-glucosidase); fasting hypoglycemia; milder form, normal blood lactate levels
McArdle's disease
type V glycogen storage disease; missing skeletal muscle glycogen phosphorylase; cannot break down muscle glycogen leaving to painful cramps with strenuous exercise
Fabry's disease
lysosomal storage disease; missing alpha-galactosidase A leading to accumulated ceramide trihexoside
Findings in fabry's disease?
peripheral neuropathy of hands/feet, angiokeratomas, cardiovascular/renal disease
Gaucher's disease?
lysosomal storage disease; missing beta-glucocerebrosidase leading to accumulated glucocerebroside
Niemann-Pick disease?
lysosomal storage disease; missing sphingomyelinase leading to accumulated sphingomyelin
Tay-Sachs disease
lysosomal storage disease with defect in breakdown of phospholipids; missing hexosaminidase A leading to accumulated GM2 ganglioside
Krabbe's disease
lysosomal storage disease; missing galactocerebrosidase leading to accumulated galactocerebroside
Metachromatic leukodystrophy
lysosomal storage disease; missing arylsulfatase A leading to accumulated cerebroside sulfate
Hurler's syndrome
lysosomal storage disease; missing alpha-L-iduronidase leading to accumulated heparan sulfate and dermatan sulfate
Hunter's syndrome
lysosomal storage disease; missing iduronate sulfatase leading to accumulated heparan sulfate and dermatan sulfate
findings in Gaucher's disease
hepatosplenomegaly, aseptic necrosis of femur, crumpled tissue paper macrophages
findings in Niemann-Pick disease?
cherry red spot on macula with hepatosplenomegaly
findings Tay-Sachs disease?
cherry red spot on macula; NO hepatosplenomegaly; lysosomes with onion skin
Findings in Hurler's syndrome?
developmental delay, airway obstruction, hepatosplenomegaly, corneal clouding
Findings in Hunter's syndrome?
mild Hurler's (developmental delay, airway obstruction, hepatosplenomegaly); NO corneal clouding, +aggressive behavior
inheritance of lysosomal storage diseases?
all AR except for fabry's disease and hunter's syndrome (both XR)
where does fatty acid degradation occur?
in mitochondria
where does fatty acid synthesis occur?
in cytoplasm
what is energy source during 100 meter sprint?
stored ATP, creatine phosphate, anaerobic glycolysis
what is energy source during marathon?
glycogen and FFA oxidation
what is energy source during days 1-3 of starvation state?
1. hepatic glycogenolysis
2. adipose release of FFA
3. muscle and liver (shift fuel use from glucose to FFA)
4. hepatic gluconeogenesis from peripheral tissue lactate and alanine and from adipose tissue glycerol and propionyl-CoA
rate limiting step in cholesterol synthesis?
HMG-CoA reductase
function of LDL
transports cholesterol from liver to tissues
function of HDL?
transports cholesterol from periphery to liver
apolipoproteins present in chylomicrons?
B-48, A-IV, C-II, E
apolipoproteins present in VLDL?
B-100, C-II, E
apolipoproteins present in IDL
B-100, E
apolipoproteins present in LDL
B-100
apolipoproteins present in HDL?
ApoA1, ApoA2
what is increased in type I familial dyslipidemia?
chylomicrons -> elevated serum TG and cholesterol
what is increased in type IIa familial dyslipidemia?
LDL -> elevated serum cholesterol
what is increased in type IV familial dyslipidemia?
VLDL -> elevated serum TG