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Incorporation of a Survivable Liver Biopsy Procedure in Mice to Assess Non-alcoholic Steatohepatitis (NASH) Resolution
Published on: April 16, 2019
The challenge of developing novel pharmacological therapies for non-alcoholic steatohepatitis
Detlef Schuppan1, Mark D Gorrell, Thomas Klein
1Beth Israel Deaconess Medical Center, Division of Gastroenterology, Harvard Medical School, Boston, MA 02215, USA. dschuppa@bidmc.harvard.edu
Abstract:
Non-alcoholic fatty liver disease (NAFLD) is an umbrella term for a series of hepatic pathologies that begin with relatively benign steatosis and can, with appropriate triggers, lead to the serious entity of non-alcoholic steatohepatitis (NASH). This sets the stage for liver fibrosis and finally the development of cirrhosis in up to 20% of patients with NASH. NAFLD, already among the most common diseases in industrialized countries, is increasing in prevalence and roughly affects 30% of US adults and 10% of US children alone. NAFLD is strongly associated with insulin resistance (IR) and represents the hepatic manifestation of the metabolic syndrome. Indeed, treatments aimed at reducing IR are the current mainstay of therapeutic approaches to NAFLD. While lifestyle interventions may produce limited degrees of success, there remains an urgent need for improved pharmacological therapies. Emerging diagnostic and therapeutic opportunities as well as future developments in NAFLD, NASH and liver fibrosis were discussed by a panel of experts and are presented herein. Promising novel therapeutic targets include inhibitors of dipeptidyl peptidase 4 and the renin-angiotensin system. However, improved non-invasive technologies to diagnose and stage NAFLD are needed. Combined with a better understanding of the pathophysiological processes that underlie the mechanisms of hepatic fibrogenesis in NASH, rapid clinical validation of novel therapies is expected.
Insights
Non-alcoholic fatty liver disease (NAFLD) is a growing health concern affecting millions. New research explores advanced therapies and diagnostic tools to combat this condition and its progression to non-alcoholic steatohepatitis (NASH) and liver fibrosis.
Area of Science:
- Hepatology
- Metabolic Disorders
- Gastroenterology
Background:
- Non-alcoholic fatty liver disease (NAFLD) encompasses a spectrum of liver conditions, from simple steatosis to non-alcoholic steatohepatitis (NASH).
- NAFLD is increasingly prevalent globally, affecting approximately 30% of US adults and 10% of US children.
- The condition is closely linked to insulin resistance and metabolic syndrome, highlighting the need for effective treatments.
Purpose of the Study:
- To review emerging diagnostic and therapeutic opportunities for NAFLD, NASH, and liver fibrosis.
- To discuss future developments and expert perspectives on managing these liver conditions.
- To identify unmet needs in the diagnosis and treatment of NAFLD.
Main Methods:
- Expert panel discussion and review of current literature.
- Analysis of emerging therapeutic targets and diagnostic technologies.
- Synthesis of information on pathophysiological mechanisms of hepatic fibrogenesis.
Main Results:
- Lifestyle interventions show limited success, emphasizing the need for novel pharmacological therapies.
- Promising therapeutic targets include inhibitors of dipeptidyl peptidase 4 and the renin-angiotensin system.
- There is a critical need for improved non-invasive diagnostic and staging technologies for NAFLD.
Conclusions:
- Effective management of NAFLD requires a multi-faceted approach, including improved diagnostics and novel therapies.
- Further understanding of fibrogenesis mechanisms in NASH is crucial for developing targeted treatments.
- Rapid clinical validation of new therapies is expected with advancements in the field.
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Assessment:
