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'''Intelectin-1''' (also known as '''intestinal lactoferrin receptor''' or '''omentin''') is a protein that in humans is encoded by the [[ITLN1]] gene. Intelectin-1 is a soluble protein that can be found in various tissues, including the small intestine, colon, and particularly high levels in the visceral fat of the omentum. It plays a significant role in the body's immune response by recognizing and binding to galactofuranosyl residues of bacterial cell walls, thus participating in the innate immune system. Additionally, Intelectin-1 has been implicated in metabolic processes and is considered a biomarker for several diseases, including obesity, diabetes, and cardiovascular diseases.

==Function==
Intelectin-1 is involved in the body's defense mechanism against pathogens. It has the ability to recognize and bind specifically to certain bacterial components, which helps in the clearance of these pathogens from the body. Moreover, Intelectin-1 is thought to play a role in modulating inflammation and has been linked to the regulation of insulin sensitivity and glucose metabolism, suggesting its involvement in metabolic syndrome and related conditions.

==Clinical Significance==
Research has shown that Intelectin-1 levels are altered in various diseases. Elevated levels of Intelectin-1 have been associated with obesity, type 2 diabetes, and cardiovascular disease, making it a potential biomarker for these conditions. Conversely, lower levels of Intelectin-1 have been observed in patients with inflammatory bowel disease (IBD), indicating its potential protective role in the gut.

===Obesity and Diabetes===
Studies suggest that Intelectin-1 plays a role in adipose tissue function and metabolism. Its levels are significantly higher in the visceral fat of obese individuals, and it is positively correlated with markers of inflammation and insulin resistance. This has led to the hypothesis that Intelectin-1 could be involved in the development of obesity-related insulin resistance and type 2 diabetes.

===Cardiovascular Disease===
Intelectin-1 is considered a protective factor against atherosclerosis due to its anti-inflammatory properties. Lower levels of Intelectin-1 have been associated with an increased risk of cardiovascular disease, suggesting its potential as a therapeutic target or biomarker for early detection and prevention strategies.

==Genetics==
The [[ITLN1]] gene is located on chromosome 1 in humans. Variants within this gene have been studied for their association with obesity, diabetes, and other metabolic disorders, although the results have been mixed and further research is needed to clarify these relationships.

==Future Directions==
Ongoing research aims to further elucidate the role of Intelectin-1 in health and disease. Understanding the mechanisms by which Intelectin-1 influences inflammation, metabolism, and disease progression could lead to new therapeutic strategies for treating metabolic diseases and inflammatory conditions.

[[Category:Proteins]]
[[Category:Human proteins]]
[[Category:Immunology]]
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Intelectin-1 - Revision history

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