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分析粒線體功能與代謝研究的最佳工具尚博生物科技公司

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海馬生物能量測定儀 Seahorse XF analyzer

分析粒線體功能與 代謝研究的最佳工具

尚博生物科技公司

Office: 02-27855860 Mobile:0919830158 [email protected]

Product specialist 李文瑋David Li

Cell-Bio Biotechnology Co., Ltd.

尚博生物科技

Mitochondria

(2)

尚博生物科技

Decade of the mitochondria Decade of the mitochondria

Cancer Neurodegenerative

Disease

Cardiovascular Hepatobiology &

In vitrotoxicity Obesity/Diabetes

Aging

尚博生物科技

Legacies from Leland Clark

End-point assay

Single parameter

Full user attention

Low though-put

High sample amount

1953 - Clark Electrode

O2 + 4 e− + 2 H2O →4 OH−

(3)

尚博生物科技

Cellular Bioenergetics for the 21st Century

Extracellular Flux (XF) Analyzers

尚博生物科技

Major Bioenergetics Pathway

Glycolysis

Kreb Cycle

CO

2

ATP NADH

Pyruvate

NADH ATP

Electron Transport Chain

NAD+ NAD+

Lots of ATP

O

2

Lactate

&

NADH NAD+

H+

Glucose

OCR,Oxygen

Consumption Rate

ECAR,

Extracellular Acidification Rate

(4)

尚博生物科技 Well 1 Well 2 Measuring Oxygen Consumption Rate (OCR) and Measuring Oxygen Consumption Rate (OCR) and Extracellular Acidification Rate (ECAR)

Extracellular Acidification Rate (ECAR)

Fiber-optic waveguide

Oxygen Fluorescent sensor Cells

Disposable probes

XF Culture Plate

尚博生物科技

Measuring Oxygen Consumption Rate (OCR) and Measuring Oxygen Consumption Rate (OCR) and Extracellular Acidification Rate (ECAR)

Extracellular Acidification Rate (ECAR)

Well 1 Well 2

The bio- cartridge is

raised, bringing the system back to baseline

Time (min) 100

120 130 140 150 160

1 2 3 4

7.20 7.25 7.30 7.35 7.40 7.45

pH (ECAR)

5 6 7

mm Hg (OCR)

The rate is calculated from the

slope

C2 C2 C2 C2

C2 C2 C2

C2

C2 C2C2

C2

C2 C2

C2

C2 C2

C2 C2

C2

C2 C2 C2

C2

C2 C2 C2 C2 C2 C2 C2 C2 C2 C2 C2

C2 C2

C2 C2

C2

C2 C2

C2 C2 C2 C2

C2 C2

C2 C2

C2

C2 C2 C2 C2 C2

ECAR

OCR

A temporary micro- chamber is

formed

(5)

尚博生物科技

Quantifying Bioenergetics and Substrate Utilization More Aerobic

Less Energy

More Energy

More Glycolytic

ECAR (µpH/min)

OCR (pmole/min)

C6H12O62C3H4O3+ 2H++ 2ATP H+/ATP = 1, O2/ATP = 0

Glycolysis

+ +

+ +

+ +

+ + +

+ +

+ +

+ +

+

Glucose Oxidation

C6H12O6+ 6O26CO2+ 6H2O + 38ATP H+/ATP = 0.200, O2/ATP = 0.158

+ +

+ +

+

C16H32O2+ 23O216CO2+ 16H2O + 129ATP H+/ATP = 0.124, O2/ATP = 0.178

+ +

+

Palmitate Oxidation

+ +

Metabolic Inhibitors

+ +

+ +

+ + +

+ +

+ +

+ +

Uncoupler

+ +

+ +

+ + + +

+ +

+ +

+ +

+ +

+ + +

+ +

+ + +

+ +

+ + +

+ +

+ +

+ +

+

尚博生物科技

4 or 2 Injection Ports/Well

Multiple Automatic Injection Ports Allows More Multiple Automatic Injection Ports Allows More Conditions to be Assessed Per Experiment

Conditions to be Assessed Per Experiment

Samples injected automatically

Samples injected automatically

0 100 200 300 400 500 600

0 50 100 150 200

Glycolysis (ECAR, mpH/min)

Aerobic Respiration (OCR, pmoles/min)

Less Energy

More Glycolytic More

Aerobic

More Energy

FCCP

Basal 2-DG

2-DG Rot + Rot

(6)

尚博生物科技

Mitochondrial Function

尚博生物科技

Non-mitochondrial

Basal Resp.

ATP turnover

Respiratory Capacity

H+Leak

Increased Physiological Content in a Single Well

Oligomycin FCCP Rotenone

Nicholls Lab, Buck Inst., unpublished results 2008.

I II

III IV

V

Inner membrane

NADH

NAD+ FADH2

FAD

4H++O2

2H2O ADP+Pi

ATP

H+

H+ H+

H+

H+

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尚博生物科技

In Vitro Assessment of Mitochondrial Dysfunction and Cytotoxicity as an indicator of potential toxicity

OCR

ECAR

Toxicol Sci 2008; 103 (2):335-45

尚博生物科技

Identifying compounds that cause oxidative stress Identifying compounds that cause oxidative stress

Primary human hepatocytes

+ 50 µM dantrolene

Primary human hepatocytes

+ 50 µM dantrolene + 10 µg/ml Oligomycin

ATP

ATP

ATP Drug Discov Today 2008; 13 (5-6):268-74

(8)

尚博生物科技

Demand Reserve Max Capacity

time

Demand Reserve Max Capacity

time

All cells carry an energy reserve that determines how they All cells carry an energy reserve that determines how they will handle an overload or chronic stress

will handle an overload or chronic stress

ATP DemandATP Demand Functional,

Healthy

Disease, Aging

J Neurochem 2009; 109:1179-91.

Biochem J 2009; in revision.

尚博生物科技

Oligo FCCP

3 independent +/+ mice preps

Oligo FCCP

3 independent -/- mice preps SOD

SOD-/-/-- shows dramatic decrease in respiratory capacityshows dramatic decrease in respiratory capacity

Nicholls Lab, Buck Inst, unpublished results 2009.

(9)

尚博生物科技

Modeling stochastic neuron degeneration:

The bioenergetic ‘hundred year flood’

J Neurochem 2009; 109:1179-91.

尚博生物科技

0 5 10 20 HNE (µM)

Actin Protein-HNE

Brad Hill et al., Biochem J 2009

MyocyteViability (%)

HNE (µM)

* * *

Protein

Protein--HNE modifications are associated with loss of HNE modifications are associated with loss of mitochondrial function and cell death

mitochondrial function and cell death

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尚博生物科技 0 50 100 150 200 250 300

0 25 50 75 100 125 150 175 200

OCR (% baseline)

Time (min) 0 µM HNE

5 µM HNE 10 µM HNE 20 µM HNE

Spare respiratory capacity is an indicator of cell stress Spare respiratory capacity is an indicator of cell stress

Brad Hill et al., Biochem J 2009; accepted.

Rat neonatal ventricular myocytes

尚博生物科技

Mitochondria functional index

Basal respiration

– Drug toxicity and dose study Oxo-pho efficiency

– Identify toxicity mechanism Photon leak

– Structure integrity

– Aging, mutation, oxidative stress and drug Respiratory capacity- cellular stress

– Stress capacity

(11)

尚博生物科技

Substrate Utilization

尚博生物科技

OCR % from baseline

A. Kinetics B. AUC

Time (Min)

Metformin Enhances FAO and Lowers Glucose Oxidation in C2C12 Myotubes

AUC OCR Induction

-500 500 1500 2500 3500 4500 5500 6500 untreated + BSA (veh cont.)

untreated + Glucose untreated + PA-BSA Metformin + Glucose Metformin + PA-BSA Metformin + BSA

Metformin (1mM) - - - + + +

Glucose (25mM) - + - + - -

Palmitate (150μM) - - + - + -

Wu Poster; GRC Molecular and Cellular Bioenergetics, 2007.

(12)

尚博生物科技

XF Assays can detect catabolism of exogenous and/or XF Assays can detect catabolism of exogenous and/or endogenous substrates

endogenous substrates

Johan AuwerxNature 2009; 458:1056-60

Palmitate Etomoxir

C2C12 myoblasts

C2C12 myoblasts

= Etomoxir

尚博生物科技

Islet Capture Microplate

(13)

尚博生物科技

“Increase in oxygen consumption with glucose in islets and clonal beta cells;

but not in C2C12 myoblasts”

Islets C2C12 myoblasts

Blank injection A; oligomycin at B 20mM glucose injection A;

oligomycin at B Oxygen consumption of Mice islets

Shirihai Lab, BUMC, unpublished results 2009.

尚博生物科技

Normal human islets Type 2 diabetic human islets

“Response to glucose blunted in diabetic islets ”

Blank injection A; oligomycin at B

20mM glucose injection A; oligomycin at B Oxygen consumption of Human islets

Shirihai Lab, BUMC, unpublished results 2009.

(14)

尚博生物科技

Substrate utilization

‧Metabolic Disease

‧Obesity

‧Diabetes

‧Metabolic regulator development

尚博生物科技

Energy Expenditure

(15)

尚博生物科技

The Connection Between Cancer and Glucose Metabolism

GLUT1

Glycolytic enzymes

Modified from: Kelloft GJ et. Al. Clinical Cancer Research 2005 11(8), 2785

“Progress and Promise of FDG-PET Imaging for Cancer Patient Management and Oncologic Drug Development.”

HIF- HIF -1 1α α

Prolyl

Prolyl hydroxylasehydroxylase

DMOG DMOG

“The prime cause of cancer is the replacement of the respiration of oxygen in normal body cells by a

fermentation of sugar.”

Otto Warburg 1883

1883 --19701970

Mitochondrial respiration

尚博生物科技

0%

20%

40%

60%

80%

100%

120%

140%

160%

0 0.008 0.04 0.2 1 5

Oligomycin (μM)

% of baseline rate

0%

20%

40%

60%

80%

100%

120%

140%

160%

% of control ATP level

OCR ECAR ATP

A549

Oligomycin(μM)

High Glycolytic Capacity and Impaired Oxidative Phosphorylation in Tumor cells

0%

50%

100%

150%

200%

250%

0 0.8 4 20 50 100 200 2-deoxyglucose (mM)

% of baseline rate

0%

50%

100%

150%

200%

250%

% of control ATP level

OCR ECAR ATP

A549

2-Deoxyglucose(mM)

Am J Physiol Cell Physiol 2007; 292:C125-36.

(16)

尚博生物科技

Hereditary Leiomyomatosis and Renal Cell Cancer Model:

Glycolytic Flux in FH/LDH-A deficient cells Mol Cancer Ther 2009; 8(3):626-635.

尚博生物科技

LDH-A inhibition results in increased apoptosis via ROS production in FH knockdown cell line

Mol Cancer Ther 2009; 8(3):626-635.

(17)

尚博生物科技

Basal rates of various cell types determined by type of cell, media and environmental conditions

HepG2 CHO-M3 H460

C2C12 Tubes

C2C12 Blasts HELA-BH3I

SK-Hep1 SHSY5Y A549

尚博生物科技 細胞健康管理

幫細胞把脈

對品質把關

(18)

尚博生物科技

Cell quality check of primary cardiomyocytes identifies functional cells

Red = “healthy”

Blue = “not healthy”

Data courtesy of Craig Beeson, MUSC

尚博生物科技

ES cell quality check and differentiation study

Highly glycolytic

Specific metabolic

profile

(19)

尚博生物科技

Day 7 C2C12 Myocytes Grown Under Different Conditions

• Insulin sensitive

• Good glucose utilization

• Very responsive to exogenous fat

• Insulin insensitive

• Poor glucose utilization

• Low response to exogenous fat

More Aerobic

More Energetic

Less

Energetic More Anaerobic

More

Aerobic More Energetic

Less

Energetic More Anaerobic

Obese Model Lean Model

Determining optimal cell culture conditions to mimic appropriate biology

尚博生物科技 Summary

非接觸式光學探針設計 自動化操作與藥物注射系統 快速檢測

粒線體功能 代謝系統運作

四不一沒有

不用額外試劑 不需破壞樣本 不用接觸細胞 不用人力監控 沒有學習門檻 Seahorse XF 96 analyzer

(20)

尚博生物科技 sunmmary

‧Mitochondrial functional index

– Basal respiration – Oxo-pho efficiency

– Photon leak- structure integrity – Respiratory capacity- cellular stress

‧Substrate utilization

– Sugar, fat and amino acid

‧Energy expenditure

– Aerobic or anaerobic pathway – 細胞把脈技術

尚博生物科技

尚博生物科技

Cell-bio biotechnology Office: 02-27855860 Mobile:0919830158 [email protected]

Product specialist 李文瑋David Li

Referensi

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