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Printable Handouts
Navigable Slide Index
- Introduction
- Clinical need
- 1st part of lecture
- Cholangiocarcinoma (CC)
- Primary Sclerosing Cholangitis (PSC)
- Challenge: PSC surveillance
- CC detection in PSC patients
- Diagnostic methods for CC detection
- Guidelines for CC surveillance in PSC patients
- No robust screening test
- Differentiation of CC from PSC in bile
- Differentiation of CC from PSC in urine
- Specificity of CC classification by urinary marker
- CC-specific peptide marker identities
- Combined bile and urine proteomic analysis
- Proteome classification (CA 19-9 and bilirubin)
- Logistic regression analysis of bile and urine
- BPA/UPA logistic regression model: CC diagnosis
- Comparison of proteome for CC diagnosis
- Proteome-adapted diagnostic procedure
- Case report
- MRCP date
- ERC date
- Colonoscopy, gastroscopy & lab
- Endoscopic ultrasound date
- Bile Proteome Analysis (BPA)
- Urine Proteome Analysis (UPA)
- Classification of patient
- Explorative laparotomy
- Lessons to be learned
- 2nd part of lecture
- Pancreatic cancer (PC)
- Chronic pancreatitis (CP)
- Current diagnosis of pancreatic cancer
- Hypothesis & aim
- Urinary peptides that differentiates PC and CP
- ROC characteristics for proteomic analysis
- ROC comparison of different analyses
- Peptides distinguishing between PC and CP
- Differences in Fetuin A levels
- IHC-detection of Fetuin A and alpha-1-antitrypsin
- Proteases identified by distribution analysis
- Detection of Meprin+ cells in PCA
- Evaluating the role of metastin
- Summary
- Acknowledgements
- Thank you
Topics Covered
- Detection of cholangiocarcinoma in patients with biliary strictures of unknown origin
- Cholangiocarcinoma surveillance in patients with primary sclerosing cholangitis
- Differentiation of pancreatic carcinoma from chronic pancreatitis
- Elucidation of underlying pathological mechanisms in pancreatic cancer
Links
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Talk Citation
Metzger, J. (2013, November 13). Clinical proteomics in gastrointestinal cancers [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved December 21, 2024, from https://doi.org/10.69645/ZLZW8783.Export Citation (RIS)
Publication History
Financial Disclosures
- Dr. Jochen Metzger has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.
A selection of talks on Oncology
Transcript
Please wait while the transcript is being prepared...
0:00
Hello. My name is Jochen Metzger
and I am working at
Mosaiques Diagnostics,
located in Hannover, Germany.
Mosaiques Diagnostics
is a small company
specializing in
clinical proteomics and
capillary electrophoresis-mass
spectrometry,
currently the most
advanced technology to
identify disease-specific
polypeptide biomarkers
in body fluids.
My presentation is about
clinical proteomics
in gastrointestinal cancers,
describing the results
of clinical studies
which were carried out
in close collaboration
with the Gastroenterology
Department of
the Medical School Hannover,
and under the supervision
of Tim Lankisch
and Michael Manns.
0:42
In this talk, I want to focus on
tumors of the biliary
tract and the pancreas.
The clinical studies
presented in this study
will focus on the
following clinical needs.
In the case of
cholangiocarcinoma,
it's accurate detection in
patients that present to
the gastrointestinal endoscopy
unit with suspicion of
cholangiocarcinoma due to
biliary stenosis is of
utmost importance to select
the most appropriate therapy.
Superior, early, and accurate
cholangiocarcinoma
detection is especially
required in young patients with
primary sclerosing cholangitis,
who are at risk for
this highly aggressive
type of bile duct cancer,
since this will enable
early curative treatment.
In the case of
pancreatic carcinoma,
its reliable differentiation
from chronic pancreatitis,
a long-term inflammatory
process that shows
the same signs in the pancreas,
is of high clinical value.
Moreover, in the elucidation of
underlying pathological processes
in pancreatic cancer,
progression is attempted to
provide new insights into the
treatment of this cancer.