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Gene & Protein in Disease Modulating immune response in liver by curcumin

1. Introduction the rhizome of the Curcuma longa plant. This bioactive
compound, belonging to the polyphenolic curcuminoid
The primary roles of the liver include detoxification, family, possesses robust anti-inflammatory, antioxidant,
synthesis, and secretion of proteins that circulate in the and immunomodulatory properties. Recent research has
blood and nutrient assimilation and storage. In addition, unveiled curcumin’s unique capacity to influence immune
the liver secretes bile, which helps in digestion by breaking responses in the liver, making it a focal point in hepatology
down fats. Recent studies have highlighted its complex and immunology. Curcumin, with its versatile molecular
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immunological activities, attributed to its exposure to activities, emerges as an effective regulator of the liver’s
antigens from the gut that enters the liver through the immune system, intricately involved in metabolic
blood through the portal vein. The liver’s anatomy and processes, detoxification, and immune surveillance. The
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structural organization appear specifically engineered and gut-liver axis becomes a pivotal point at which curcumin,
optimized for the identification, entrapment, and removal with its unique structure, can influence the immune cells
of pathogenic entities such as bacteria, viruses, and other of the liver. This equilibrium proves crucial for maintaining
immunogenic molecules. It is important to note that liver health, as an exaggerated immune response can
although the liver encounters a huge load of “non-self” precipitate hepatocellular damage and advance the
substances through the portal blood, it typically maintains progression of liver diseases. Beyond its role in immune
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the immune status in the surrounding environment in regulation, curcumin’s antioxidant prowess comes to the
an anti-inflammatory or immunotolerant state. While fore, as it actively scavenges free radicals and mitigates
excessive inflammation can cause tissue damage, structural oxidative damage that could otherwise compromise
reorganization, and sterile liver injury – outcomes that are structural integrity and immune function. By virtue of
best avoided – insufficient immunity can lead to persistent its robust antioxidant properties, curcumin effectively
infections and conditions conducive to cancer growth. neutralizes free radicals and alleviates oxidative damage,
Therefore, the liver is adept at rapidly and effectively thereby promoting a hepatoprotective milieu.
activating an immune response when specific conditions
are met to mitigate unwanted threats. The delicate balance This review attempts to delve deep into the intricate
between mounting an effective immune response when interplay between the liver as an immunological organ and
required and promoting tolerance otherwise is crucial the dysregulations that can lead to chronic inflammation
for the liver to function optimally as a front-line immune and fibrosis. The spotlight is on the unique role of curcumin
organ. These processes underpin the pivotal roles that the in protecting the liver and modulating diverse immune
various resident immune cell populations in a healthy responses. This exploration aims to shed light on the
adult liver routinely undertake to maintain equilibrium. hepatoprotective roles of curcumin in developing therapeutic
The hepatic inflammatory mechanisms are crucial for strategies to ameliorate liver disorders and fortify overall
preserving tissue and organ homeostasis, and their hepatic health. The nuanced interactions at the intersection
dysregulation contributes to liver pathology. Therefore, it of curcumin and liver immunity offer a captivating avenue for
is imperative that the dynamic interactions among these understanding and potentially unraveling novel therapeutic
immune cell populations are appropriately orchestrated, interventions in liver-related pathologies.
and conditions that may lead to the dysregulation of their
functional interplay are cautiously averted to ensure overall 2. Anatomy of the liver: The structural
health and well-being. organization in the context of its resident
In the context of averting chronic, exacerbated immune population
inflammatory conditions and promoting the natural The liver receives 75% of its blood supply through the
state of homeostasis that is operational in a healthy, portal vein, which is loaded with dietary antigens derived
functioning liver, it is noteworthy that certain plant- from the food we consume, along with metabolites from
derived molecules have been tested for the treatment the gut microbiome, without any further screening.
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of various diseases. In fact, such compounds have been The liver must handle this antigen load by generating
an important source of a majority of pharmaceuticals tolerance against self-antigens, if present, and organizing
commonly in use today. Patients frequently turn to mechanisms to reduce the inflammatory response against
natural remedies for ailments, drawn by their accessibility, molecules derived from pathogens and malignant cells
minimal toxicity, pharmacological efficacy, chemical that are carried there. The liver’s architecture, with its
diversity, and comparatively lower side effects compared unique structural organization, is essential in fulfilling
to synthetic drugs. One such natural compound that has this function. The remaining blood supply to the liver,
garnered significant attention is curcumin, extracted from which is oxygen-rich, comes through two venous systems

Volume 3 Issue 3 (2024) 2 doi: 10.36922/gpd.3186