ReviewHistochemistry and cell biology2026
From lipofuscin accumulation to cellular dysfunction: a focus on liver pathophysiology.
Review in Histochemistry and cell biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors.
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Abstract
In this review, we summarize the data on the cellular pigment lipofuscin that accumulates in liver tissue over time, due to aging and cellular stress. Despite the presence of these typical subcellular inclusions under various conditions, relatively little is known about their origins, roles, and effects on liver cell and tissue health. Pathologists use the presence of lipofuscin, in combination with other markers, to achieve differential diagnosis across various diseases. Routine histological stains reveal characteristic irregular shaped intracellular inclusions of lipofuscin that cannot be missed. Moreover, lipofuscin is autofluorescent and in transmission electron microscopy it appears in the cytoplasm as irregularly shaped structures containing fat and floccular material with varying electron density. Herein, we discuss the current state of knowledge concerning the origin and function of this pigment in the liver. Lipofuscin can distinctively be found in liver, although it has also been reported in cells in the heart, brain, and eye. Its biochemical composition is heterogeneous and varies depending on the tissue and the age of the organism. The liver parenchymal cells have efficient cellular waste disposal mechanisms, but they are still susceptible to aging. Lipofuscin accumulation in the liver may result from ongoing oxidative damage and impaired hepatic detoxification leading to cellular stress.
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