Martin Stockmann

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About Martin Stockmann:

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SEEK ID: https://seek.lisym.org/people/44

Location: Germany

ORCID: Not specified

Joined: 22nd May 2017

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LiSyM: Liver Systems Medicine

Liver Systems Medicine : striving to develop non-invasive methods for diagnosing and treating NAFLD by combining mathematical modeling and biological research. LiSyM, is a multidisciplinary research network, in which molecular and cell biologists, clinical researchers, pharmacologists and experts in mathematical modeling examine the liver in its entirety. LiSyM research focuses on the metabolic liver disease non-alcoholic fatty liver disease (NAFLD), which includes non-alcoholic steatohepatitis ...

Projects: LiSyM Core Infrastructure and Management (LiSyM-PD), LiSyM Pillar I: Early Metabolic Injury (LiSyM-EMI), LiSyM Pillar II: Chronic Liver Disease Progression (LiSyM-DP), LiSyM Pillar III: Regeneration and Repair in Acute-on-Chronic Liver Failure (LiSyM-ACLF), LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi), Model Guided Pharmacotherapy In Chronic Liver Disease (LiSyM-MGP), Molecular Steatosis - Imaging & Modeling (LiSyM-MSIM), The Hedgehog Signalling Pathway (LiSyM-JGMMS), Multi-Scale Models for Personalized Liver Function Tests (LiSyM-MM-PLF), LiSyM PALs, Project Management PTJ, LiSyM network, LiSyM Scientific Leadership Team (LiSyM-LT)

Web page: https://www.lisym.org/

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LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

Disorders of the liver show up through changes in blood tests. These blood tests indicate markers for events taking place in the liver. Usually studies of liver tissue cannot be performed: as liver samples would need to be obtained through a liver biopsy, and this procedure is not without risk, therefore these samples are usually unavailable. Complex metabolism models based on existing and new scientific data can simulate changes in the liver caused by disease. They often reveal unknown relationships ...

Programme: LiSyM: Liver Systems Medicine

Public web page: http://www.lisym.org/our-work/pillar-research/the-liver-is-very-patient

Start date: 1st Jan 2016

Organisms: Homo sapiens

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Programme: LiSyM: Liver Systems Medicine

Public web page: http://www.lisym.org

Start date: 1st Jan 2016

Organisms: Rattus norvegicus, Rattus rattus, Mus musculus, Homo sapiens

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Charité - Universitätsmedizin Berlin, Klinik für Allgemein-, Viszeral- und Transplantationschirurgie

Country: Germany

City: 13353 Berlin

Web page: https://chirurgie.charite.de

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Showing 10 out of a possible 14 Publications Advanced Publications list for this Person with search and filtering

Metabolic heterogeneity of human hepatocellular carcinoma: implications for personalized pharmacological treatment.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

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Abstract (Expand)

Metabolic reprogramming is a characteristic feature of cancer cells, but there is no unique metabolic program for all tumors. Genetic and gene expression studies have revealed heterogeneous inter- and …

Authors: N. Berndt, J. Eckstein, Niklas Heucke, T. Wuensch, R. Gajowski, M. Stockmann, D. Meierhofer, H. G. Holzhutter

Date Published: 8th Oct 2020

Publication Type: Journal

PubMed ID: 33030799

Citation: FEBS J. 2020 Oct 8. doi: 10.1111/febs.15587.

Created: 11th Dec 2020 at 11:34, Last updated: 8th Mar 2024 at 07:44

A novel variant of the (13)C-methacetin liver function breath test that eliminates the confounding effect of individual differences in systemic CO2 kinetics.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

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Abstract (Expand)

The principle of dynamic liver function breath tests is founded on the administration of a (13)C-labeled drug and subsequent monitoring of (13)CO2 in the breath, quantified as time series delta over … natural baseline (13)CO2 (DOB) liberated from the drug during hepatic CYP-dependent detoxification. One confounding factor limiting the diagnostic value of such tests is that only a fraction of the liberated (13)CO2 is immediately exhaled, while another fraction is taken up by body compartments from which it returns with delay to the plasma. The aims of this study were to establish a novel variant of the methacetin-based breath test LiMAx that allows to estimate and to eliminate the confounding effect of systemic (13)CO2 distribution on the DOB curve and thus enables a more reliable assessment of the hepatic detoxification capacity compared with the conventional LiMAx test. We designed a new test variant (named "2DOB") consisting of two consecutive phases. Phase 1 is initiated by the intravenous administration of (13)C-bicarbonate. Phase 2 starts about 30 min later with the intravenous administration of the (13)C-labelled test drug. Using compartment modelling, the resulting 2-phasic DOB curve yields the rate constants for the irreversible elimination and the reversible exchange of plasma (13)CO2 with body compartments (phase 1) and for the detoxification and exchange of the drug with body compartments (phase 2). We carried out the 2DOB test with the test drug (13)C-methacetin in 16 subjects with chronic liver pathologies and 22 normal subjects, who also underwent the conventional LiMAx test. Individual differences in the systemic CO2 kinetics can lead to deviations up to a factor of 2 in the maximum of DOB curves (coefficient of variation CV approximately 0.2) which, in particular, may hamper the discrimination between subjects with normal or mildly impaired detoxification capacities. The novel test revealed that a significant portion of the drug is not immediately metabolized, but transiently taken up into a storage compartment. Intriguingly, not only the hepatic detoxification rate but also the storage capacity of the drug, turned out to be indicative for a normal liver function. We thus used both parameters to define a scoring function which yielded an excellent disease classification (AUC = 0.95) and a high correlation with the MELD score (RSpearman = 0.92). The novel test variant 2DOB promises a significant improvement in the assessment of impaired hepatic detoxification capacity. The suitability of the test for the reliable characterization of the natural history of chronic liver diseases (fatty liver-fibrosis-cirrhosis) has to be assessed in further studies.

Authors: H. G. Holzhutter, T. Wuensch, R. Gajowski, N. Berndt, S. Bulik, D. Meierhofer, M. Stockmann

Date Published: 6th Feb 2020

Publication Type: Not specified

PubMed ID: 32020249

Citation: Arch Toxicol. 2020 Feb;94(2):401-415. doi: 10.1007/s00204-020-02654-0. Epub 2020 Feb 4.

Created: 15th Jun 2020 at 13:32, Last updated: 8th Mar 2024 at 07:44

Resection of hepatic and pulmonary metastasis from metastatic esophageal and gastric cancer: a nationwide study.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

Abstract (Expand)

The standard of care for gastroesophageal cancer patients with hepatic or pulmonary metastases is best supportive care or palliative chemotherapy. Occasionally, patients can be selected for curative …

Authors: M. F. J. Seesing, A. van der Veen, H. J. F. Brenkman, H. B. A. C. Stockmann, G. A. P. Nieuwenhuijzen, C. Rosman, F. J. H. van den Wildenberg, M. I. van Berge Henegouwen, P. van Duijvendijk, B. P. L. Wijnhoven, J. H. M. B. Stoot, M. Lacle, J. P. Ruurda, R. van Hillegersberg

Date Published: 31st Dec 2019

Publication Type: Not specified

PubMed ID: 31220859

Citation: Dis Esophagus. 2019 Dec 31;32(12). pii: 5480096. doi: 10.1093/dote/doz034.

Created: 3rd Jul 2020 at 09:17, Last updated: 8th Mar 2024 at 07:44

Dynamic liver function is an independent predictor of recurrence-free survival after curative liver resection for HCC - A retrospective cohort study.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

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BACKGROUND: Hepatocellular carcinoma is the fifth most prevalent cancer worldwide. High tumour recurrence is the most common cause of the impaired 5-year survival rate of 26-58% after hepatectomy. The …

Authors: E. Bluthner, J. Bednarsch, M. Malinowski, P. Binder, J. Pratschke, M. Stockmann, M. Kaffarnik

Date Published: 9th Sep 2019

Publication Type: Not specified

PubMed ID: 31494333

Citation: Int J Surg. 2019 Nov;71:56-65. doi: 10.1016/j.ijsu.2019.08.033. Epub 2019 Sep 5.

Created: 3rd Jul 2020 at 09:16, Last updated: 8th Mar 2024 at 07:44

Characterization of Lipid and Lipid Droplet Metabolism in Human HCC.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

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Human hepatocellular carcinoma (HCC) is the most common type of primary liver cancer in adults and the most common cause of death in people with cirrhosis. While previous metabolic studies of HCC have …

Authors: N. Berndt, J. Eckstein, Niklas Heucke, R. Gajowski, M. Stockmann, D. Meierhofer, H. G. Holzhutter

Date Published: 27th May 2019

Publication Type: Not specified

PubMed ID: 31137921

Citation: Cells. 2019 May 27;8(5). pii: cells8050512. doi: 10.3390/cells8050512.

Created: 29th Jul 2019 at 08:33, Last updated: 8th Mar 2024 at 07:44

Expression Analysis of Fibronectin Type III Domain-Containing (FNDC) Genes in Inflammatory Bowel Disease and Colorectal Cancer.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

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Background: Fibronectin type III domain-containing (FNDC) proteins fulfill manifold functions in tissue development and regulation of cellular metabolism. FNDC4 was described as anti-inflammatory factor, …

Authors: T. Wuensch, J. Wizenty, J. Quint, W. Spitz, M. Bosma, O. Becker, A. Adler, W. Veltzke-Schlieker, M. Stockmann, S. Weiss, M. Biebl, J. Pratschke, F. Aigner

Date Published: 17th May 2019

Publication Type: Not specified

PubMed ID: 31093274

Citation: Gastroenterol Res Pract. 2019 Apr 9;2019:3784172. doi: 10.1155/2019/3784172. eCollection 2019.

Created: 3rd Jul 2020 at 09:21, Last updated: 8th Mar 2024 at 07:44

Identification of serological markers for pre- and postoperative fasting periods.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

Abstract (Expand)

BACKGROUND & AIMS: Prolonged preoperative fasting periods lead to catabolic states and decelerate recovery after surgery. Valid plasma markers reflecting the patients' metabolic state may improve …

Authors: T. Wuensch, J. Quint, V. Mueller, A. Mueller, J. Wizenty, M. Kaffarnik, B. Kern, M. Stockmann, M. Biebl, J. Pratschke, F. Aigner

Date Published: 25th Mar 2019

Publication Type: Not specified

PubMed ID: 30904213

Citation: Clin Nutr ESPEN. 2019 Apr;30:131-137. doi: 10.1016/j.clnesp.2019.01.004. Epub 2019 Jan 31.

Created: 3rd Jul 2020 at 09:24, Last updated: 8th Mar 2024 at 07:44

Predicting liver failure after extended right hepatectomy following right portal vein embolization with gadoxetic acid-enhanced MRI.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

Abstract (Expand)

OBJECTIVES: Predicting post-hepatectomy liver failure (PHLF) after extended right hepatectomy following portal vein embolization (PVE) from serial gadoxetic acid-enhanced magnetic resonance imaging …

Authors: D. Theilig, I. Steffen, M. Malinowski, M. Stockmann, D. Seehofer, J. Pratschke, B. Hamm, T. Denecke, D. Geisel

Date Published: 23rd Mar 2019

Publication Type: Not specified

PubMed ID: 30899977

Citation: Eur Radiol. 2019 Nov;29(11):5861-5872. doi: 10.1007/s00330-019-06101-2. Epub 2019 Mar 21.

Created: 3rd Jul 2020 at 09:25, Last updated: 8th Mar 2024 at 07:44

Advanced liver function assessment in patients with intestinal failure on long-term parenteral nutrition.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

Abstract (Expand)

BACKGROUND & AIMS: Intestinal failure associated liver disease (IFALD) is one of the leading complications and causes of deaths in adult patients receiving home parenteral nutrition for chronic …

Authors: E. Bluthner, J. Bednarsch, U. F. Pape, M. Karber, S. Maasberg, U. A. Gerlach, A. Pascher, B. Wiedenmann, J. Pratschke, M. Stockmann

Date Published: 20th Mar 2019

Publication Type: Not specified

PubMed ID: 30885502

Citation: Clin Nutr. 2020 Feb;39(2):540-547. doi: 10.1016/j.clnu.2019.02.039. Epub 2019 Mar 5.

Created: 3rd Jul 2020 at 09:26, Last updated: 8th Mar 2024 at 07:44

Hepatic CYP1A2 activity in liver tumors and the implications for preoperative volume-function analysis.

LiSyM Pillar IV: Liver Function Diagnostics (LiSyM-LiFuDi)

Abstract (Expand)

Dynamic liver function assessment by the (13)C-methacetin maximal liver function capacity (LiMAx) test reflects the overall hepatic CYP1A2 activity. One proven strategy for preoperative risk assessement …

Authors: T. Wuensch, Niklas Heucke, J. Wizenty, J. Quint, B. Sinn, R. Arsenic, M. Jara, M. Kaffarnik, J. Pratschke, M. Stockmann

Date Published: 14th Mar 2019

Publication Type: Not specified

PubMed ID: 30869529

Citation: Am J Physiol Gastrointest Liver Physiol. 2019 Mar 14. doi: 10.1152/ajpgi.00335.2018.

Created: 20th Apr 2019 at 13:06, Last updated: 8th Mar 2024 at 07:44

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