CVS 8 Flashcards
CD 34 positive means
hematopoetic stem cell
CD 31 postive
PE CAM
diapedesis
CD 54
ICAM
CD 106
VCAM
NADPH oxidase def
CGD
treatment -= interferon gamma
def of SOD O2 ----> H2O2
Amyotropic lateral sclerosis
pure motor disorder
decrease progression of ALS by
riluzole
blocks NMDA rec
greenish discolouration of sputum by
myeloperoxidase
function of dorsal column
vib and proprioception
lateral spinothalamic
pain and temp
Inf ALPHA used to treat
MARCK Multiple myeloma/ malignant melanoma Antiviral hep b/c RCC CML / condyloma accuminatum Kaposci ( CD4 <500)
IFN BETA
multiple sclerosis
IFN GAMMA
CGD
other treatment for MS
capoxone glatiramir high dose steroids natalizumab ( alpha 4 integrin) ocrelizumab ( CD 20) rituximab (CD20)
how to treat spasticity in MS
baclofen tizanidine
treatment with natalizumab increases risk of
JC virus induced PML
circular DNA virus
treatment with rituximab causes
SERUM SICKNESS type III
mention type III HSR ( immune complex)
SHARP SLE / serum sickness HSPN/ HSP Arthus reaction RPGN PAN/ PSGN
monoclonal antibodies are safe to use in
liver and renal failure
what are aeur rods made of
crystals of MPO
pt with AML M3 is at risk of
DIC … aeur rods can lead to this
AML M3
acute promyelocytic leukemia
(15;17)
aeur rods
AML M5
acute myelomonocytic leukemia
AML M7
acute megakaryocytic leukemia
which type of AML is assoc with DOWN SYNDROME age less than 5
AML M7
O2 independent mechanism
lysozymes—- Neutrophls
Major basic protein—- eosinophils
cytokines for apoptosis
IL 10
TGF beta
IL4
TH1 makes
IL2 IFN gamma
what induces TH1
IL 12 IFN gamma
TH2 mkes
IL 4 5 6 10 13 TGF beta
what induces TH2
IL 2 IL 4
T REG makes
IL 10 TGFbeta IL 35
what induces TREG
TGF beta IL 2
TH 17 makes
IL 17 21 22
what induces TH 17
IL 1 ,6 , TGF beta
IL 12 receptor defect is seen in
low th1 response
recall IL 12 is released by TH0 to induce TH1 cells
LOW IFN gamma
Jbs sydnrome
HYPER igE def of th17 STAT 3 mutation
FOXp3 mutation
IPEX immune dysregulation polyendocrinopathy enteropathy
what is the function of FOXp3
transcription factor that is expressed in T REG cells and it is important for their normal function
IPEX
x link recessive FOX P3 genetic defect absent CD 4+ ------CD 25+ reg T cells early onset of disease Diarrhea Diabetes Dermatitis Dystrophy of nails
AIRE gene is involved in
Chronic mucocutaneous candidiasis
T cell dysf leads to candida infection
misfolded abnormal aggregate proteins in form of b pleated sheets
insoluble
amyloidosis
how can we visualize amyloid deposits inside cell
congo red stain
apple green birefringence under polarized light
what is the most common organ involved in amyloidosis
kidney
Mesangial deposits can be seen in these conditions
Bergers disease (IgA nephropathy) Amyloidosis Diabetes
role of AB amyloid in dementia linked to down synd
ch 21 has amyloid precursor preotein
AB amyloid PHOSPHORYLATION —— apoptosis of neurons —– cortical atrophy
systemic AL
light chains
systemic AB2
B2 microglobulin from MHC 1
hemodialysis / ESRD
systemic AA
chronic inflammatory disease
Localized AB
alzheimers
AIAPP
type 2 DM
amylin
ANP
atria
A cal
calcitonin
ATTR
tranthyretin familial senile amyloidosis
Diastolic dysf due to restrictive heart disease can be caused by
amyloidosis
sarcoidosis ( calcification fibrosis)
radiation therapy (mostly presented as a pt with lymphoma because lymphocytes are most susceptible to radiation)
Loeffler syndrome
INCREASE in eosinophils
damage due to the major basic protein in eosinophils
most common cardiac complication seen with hemochromatosis
DILATED CM
macroglossia can be seen in
cretinism
acromegaly
down syndome
components of the carpal tunnel
4 flexor digitorum superfic
4 felxor digitorum profundus
1 felor pollicis longus
1 MEDIAN nerve
medullary carcinoma of thyroid is linked to MEN
MEN 2A B
RET mutation
calcitonin is produced from the c parafollicualr cells
increase in calcitonin production leads to
HYPOcalcemia —- long QT
ATTR
Trans—- transp
thy——- thyroid horm
retin—— retinol A
leads to restricive heart disease
hereditary ATTR mutation
familial amyloid cardiomyopathy
familial amyloid polyneuro
acute phase reactants secondary to inflammation are induced by which cytokine
IL 6
anti IL 6 drug
tocilizumab
list of acute phase reactants secondary to inflammation
CRP hepcidin ferritin fibrinogen procalcitonin
CRP
opsonin — phagocytosis
atherosclerosis — inflammation
hepcidin
negative iron regulatory protein
locks off iron in the liver and bone marrow — so micro organisms cant feed on it
ferritin
macrophages increase ferritin
fibrinogen
factor 1
endothelial repair
procalcitonin
in BACTERIAL inf procalcitonin is increased x 10
what happens to ESR when fibrinogen is increased
ESR IS INCREASED
causes of increased ESR
GTA/ takayusu autoimmune disease infections pregnancy renal complications cancers
causes of decreased ESR
sickle cell disaese
polycythemia
chronic heart failure
hypofibrinogenemia
formation of what in hep b and c can lead to hepatocellular carcinoma
scar tissue
by CD 8 t cell
h. pylori can lead to
adenocarcinoma
and MALTOMA —- b cell non hodg
wound healing steps
hemostasis
inflammatory ( 1-3 days)
proliferation (3days - 3 weeks)
maturation remodelling (3 w to 3 months)
what happens in the inflammatory phase
neutrophils and macrophages — phagocytosis of necrotic debri and bacteria
what happens in the proliferation phase
granulation tissue is formed (type 3 collagen)
fibroblast for connective tissue
VEGF — neo vascularization and wound contraction
name anti VEGF
bevacizumab
ranibizumb
what happens in maturation or remodelling phase
fibroblasts synthesize connective tissue
granulation tissue type 3 ———> type 1
mediated by COLLEGENASE that requires ZINC
what would happen in zinc def
poor wound healing
due to colleganse dysf
zinc is necessary for what other enzymes
- zinc finger domain ( transcription factor)
2. metalloproteinase - zinc containing enzymes that degrade components of ECM and basement membrane
what is the role of metalloproteinase in cancer
invade BM membrane and lead to metastasis
decrease expression of E CADHERIN
Zinc finger motifs comprise of
amino acid chains bound by zinc atom
also have cyteine and histidine residues that help in recognition of specific DNA sequence
which hormone receptors hace zinc finger binding domains
INTRACELLULAR recptrs
thyroid
steroid
fat soilube vitmins ADEK
necrolytic migratory erythema is seen in
GLUCAGUNOMA
what is ACRODERMATITIS ENTEROPATHICA
intestinal zinc absp defect
zinc def can cause these signs and symptoms
erythematous skon lesions (pustular vesicular) hypogonadism taste smell absence impairement in wound healing night blindness LIVER CIRRHOSIS can also occur decreases axillary pubic hair
which parasite can cause granulomatous response
schistosoma hematobium
S. hematobium can cause
granuloma inf
hemorrhagic cystitis
sq cell carcinoma
Painless hematuria can be seen in
bladder cancer
kidney cancer
nephritic synd
oainful hematuria
RENAL STONES
where is transitional cell epthelium found
bladder
ureters
renal pelvis
calyces
PSAC mnemonic is for
sq cell carcinoma bladder Phenacetin Smoking Aniline dyes Cyclophosphamide (alkylating agent)
sq cc of bladder is caused by prolinged irritation to the bladder by
smoking
renal stones
schistosoma hematobium
portal HTN vs Pulm HTN
portal + Hepatosplenomegly —- s. mansoni
pulmonary —- s. hematobium
intermediate hosts for schistosoma and the stage of invasion
snails
cercaria —- penetrates teh skin
what is the mechanism of praziCAntel
increases permeability for schistosoma CALCIUM
systemic mycosis — pneumonia all are dimorphic EXCEPT
coccidoides its a spherule
Histoplasmosis
smaller than RBCs
missisipi ohio —- birfds/bats POOP (cave explorers)
macrophages filled with histoplasma
tongue ulcers, pancytopenia , hilar adenopathy seen in
histoplasmosis
Blastomycosis
same size as RBC
Great lakes
Blasto has Broad Base BUDS
blastomycosis mannifestations
BONE SKIN LUNG
skin — verrucous sq cc and granulomatous nodules
coccidoides
LARGER than RBC
not a YEAST
CAlifornia
exposure to DUST / earthquakes — spherules with spores —— desert rheumatism
erythema nodosum
paracoccicoides
LARGER than RBC
Latin america
Captain wheel
transmitted through BATS
HER
Histoplasmosis
Ebola ( flavivirus RNA)
Rabies ( rhabdovirus RNA)
localized infection with systemic mycoses
fluconazole itraconazole
systemic infection
amphotericin B pore in fungal cell membrane
pores in BACTERIAL cell membrane
daptomycin
polymyxin
daptomycin SE
rhabdomyolysis