Liver Hypertrophy
Liver Hypertrophy - Related Videos
10:18
Ascending Aortic Constriction in Rats for Creation of Pressure Overload Cardiac Hypertrophy Model
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Cited by 17 •
2014
We describe a stepwise procedure for creating pressure overload and left ventricular hypertrophy in Wistar rats by constriction of the ascending aorta using a small metallic clip. This model is extensively used for studying remodeling changes during cardiac hypertrophy and for identifying and evaluating strategies for regression of such changes.
07:55
The Influence of Liver Resection on Intrahepatic Tumor Growth
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Cited by 6 •
2016
A high incidence of tumor recurrence after resection of liver metastases remains an unsolved problem. The illustrated mouse model may be useful to investigate the reasons for such recurrences. It combines a liver resection model with intrahepatic tumor cell injection for the first time.
01:26
Cellular Adaptation II: Hypertrophy
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2026
Hypertrophy is the increase in the size of individual cells, resulting in the enlargement of a tissue or organ. Unlike hyperplasia, which involves an increase in cell number, hypertrophy is characterized by an increase in cell volume. This process often occurs in response to higher functional demand or hormonal stimulation, leading to the production of more structural proteins and organelles, thereby enhancing the cells' work capacity.There are two primary types of hypertrophy: physiological...
12:35
In vivo Liver Endocytosis Followed by Purification of Liver Cells by Liver Perfusion
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Cited by 14 •
2011
The study of liver sinusoidal endothelial cells (SECs) must be performed with primary cells obtained from the animal as no cell lines exist. This method relies on liver digestion and differential centrifugation for SEC purification for subsequent culturing and experimentation.
08:34
Technique of Minimally Invasive Transverse Aortic Constriction in Mice for Induction of Left Ventricular Hypertrophy
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Cited by 34 •
2017
The aim of this protocol is to describe step-by-step the technique of minimally invasive transverse aortic constriction (TAC) in mice. By elimination of intubation and ventilation which are mandatory for the commonly used standard procedure, minimally invasive TAC simplifies the operative procedure and reduces the strain put on the animal.
FAQs
Signals associated with increased workload, hormonal stimulation, or drug exposure can activate intracellular pathways in hepatocytes. These pathways promote protein synthesis and increase organelle content, allowing existing cells to support altered metabolic demands. The response therefore reflects cellular reorganization as well as increased size, helping explain changes in liver function.
Altered metabolic demand provides a functional context for the enlargement. When hepatocytes face increased workload, signaling can support greater protein synthesis, organelle content, and cellular function. This helps explain why the same structural change may represent adaptation in one setting but accompany disease or another clinically important process in a different setting.
Hormonal stimulation and drug exposure can act as initiating signals for intracellular pathways in hepatocytes. Their effects may increase protein production, organelle content, and cellular activity as the liver responds to a changed workload or metabolic requirement. Considering these signals helps connect an enlarged liver with its possible adaptive, medication-related, or disease-associated context.
Clinical interpretation should consider more than liver size alone. Clinicians need to relate the finding to whether existing hepatocytes have enlarged, while also considering adaptation, disease, altered metabolic demand, drug exposure, injury, regeneration, or chronic disease. This context helps distinguish a meaningful biological response from an unexplained structural finding.
Medication-related assessment considers whether drug exposure has altered hepatocyte workload or activated pathways that increase protein synthesis, organelle content, and cellular function. Recognizing this response can help clinicians evaluate liver enlargement alongside the patient’s exposure history and metabolic context, rather than interpreting the size change without considering a possible drug-related mechanism.
Liver hypertrophy provides a cellular perspective on how the liver responds under different medical conditions. In the context of injury, regeneration, or chronic disease, examining the response can help relate changes in organ size to altered hepatocyte function and cellular adaptation. This supports interpretation of enlargement as part of a broader disease or recovery process.