[Research Progress On Cellular Senescence And Liver Diseases]
Our bodies are constantly renewing cells, but sometimes, cells enter a state called “cellular senescence.” This means they stop dividing and essentially go into a permanent resting phase, often in response to stress or damage. While this can sometimes be beneficial, like preventing cancer, an accumulation of these senescent cells in organs like the liver can be quite harmful.
Recent research highlights that these “resting” cells in the liver are not just idle; they actively secrete a mix of inflammatory and damaging substances, collectively known as the “senescence-associated secretory phenotype” (SASP). These secretions can disrupt the liver’s normal structure and function, leading to chronic inflammation and scarring. This process is a major contributor to the development and worsening of various long-term liver conditions, such as fatty liver disease, cirrhosis (severe scarring), and even liver cancer.
Understanding this connection opens new avenues for treatment. Scientists are exploring new drugs, called “senotherapeutics,” which aim to either eliminate these harmful senescent cells or block their damaging secretions. This research offers promising hope for developing new strategies to prevent and treat chronic liver diseases, ultimately improving liver health as we age.
Source: link to paper