Prelims Agappe Flashcards
AMYLASE (AMS)
EC 3.2.1.1
LIPASE (LPS)
EC 3.1.1.3
CREATINE KINASE (CK)
EC 2.7.3.2
LACTATE DEHYDROGENASE (LDH)
EC 1.1.1.27
ASPARTATE AMINOTRANSFERASE (AST)
E.C. 2.6.1.1
ALANINE AMINOTRANSFERASE (ALT)
E.C. 2.6.1.2
ALKALINE PHOSPHATASE (ALP)
E.C. 3.1.3.1
ACID PHOSPHATASE (ACP)
E.C. 3.1.3.2
Activators of AMY
Calcium
Chloride
Lipase activators
Colipase
Bile salts
Aspartate and Alanine activators
Pyridoxal phosphate
Alkaline activators
Optimal pH: 9.0-10.0 Activator: Mg 2 + & Zinc
Acid activators
Optimal pH: 5.0 Activator = Mg 2 + & Zinc
- Amyloclastic method
- Saccharogenic method
- Chromogenic method
- Continuous monitoring method
Amylase
- Classic Cherry-Crandall Method (olive oil)
- Turbidimetric Methods
- Colorimetric Methods
Lipase
Electrophoresis
Immunoinhibition
Immunoassay
Ion-exchange chromatography
CK isoenzyme
Tanzer Gilvarg
Oliver Rosalki
CK enzyme
Wacker
Wrobleuski
Ldh
Karmen Method - Uses a coupled enzymatic reaction
Indicator: Malate Dehydrogenase
Monitors absorbance change at_____
- Measures NADH oxidation to NAD+
- Optimal pH Range:_____
Aspartate
340 nm
7.3 to 7.8
Coupled Enzymatic Reaction:
- Utilizes Lactate Dehydrogenase (LD) as the indicator enzyme
- LD catalyzes reduction of pyruvate to lactate
- Simultaneous oxidation of NADH to NAD+
Alanine Aminotransferase
Reitman & Frankel
- Colorimetric/Endpoint
- Color developer:______
- Color intensifier:_____
2,4 Dinitrophenylhydrazine (DNPH)
0.4N Sodium hydroxide (NaOH)
Reitman & Frankel
- Colorimetric/Endpoint
Alanine Aminotransferase
Continuous-Monitoring Technique:
Based on Bowers and McComb method
Alkaline
ALKALINE
Continuous-Monitoring Technique: Based on Bowers and McComb method
Most specific method Calculates ALP activity using molar absorptivity of p-nitrophenol
Substrate =_______
Positive result =______
para-Nitrophenylphosphate (PNPP); colorless
Yellow (p-nitrophenol)
Roy and Hillman (Quantitative Endpoint) Substrate:
Thymolphthalein monophosphate
ACID
Babson, Read & Phillips (Continuous Monitoring) Substrate:
Alpha-naphthyl phosphate
ACID
Immunochemical Techniques:
- Radioimmunoassay (RIA)
-Counterimmunoelectrophoresis - Immunoprecipitation
- Immunoenzymatic Assay (Tandem E)
ACID
Amylase RS
1000
25
CK RS
1000
40
LDH RS
1000
10
AST
ALT
RS
1000
100
ALP
RS
1000
20
ACP
1000
100
CK
NR
SERUM: 25 - 86 U/L
URINE: < 470 U/L
LIPASE NR
60 U/L
CK NR
Serum up to : 24 U/L %
CK- MB :6-25 %
LDH NR
1- 3 years :
490-730 U/L
LDH NR
4 - 9 years :
320-520 U/L
LDH NR
10 - 13 years :
250-500 U/L
LDH NR
Adults :
225-450 U/L
LDH NR
1- 3 years :490-730 U/L
4 - 9 years :320-520 U/L
10 - 13 years :250-500 U/L
Adults :225-450 U/L
Aspartate NR
Serum up to 46 UL
Alanine NR
Serum up to 49 U/L
Alkaline NR
Women
35 - 104 U/L
Alkaline NR
Men
40 - 129 U/L
Alkaline NR
Children up to15 yrs:
54 - 369 U/L
Alkaline NR
Women 35 - 104 U/L
Men 40 - 129 U/L
Children up to15 yrs: 54 - 369 U/L
ACP NR Men
Men up to (U/I) 3.6; 5.0; 6.5
ACP NR women
Women up to (U/I) 3.0; 4.2; 5.5
Amylase factor
3178
CK factor
8254
LDH factor
16030
AST factor
1745
Alanine factor
1745
Alkaline factor
2757
Acid factor
25°C = 149 30°C or 37°C = 248