New Study Reveals Food Boosts Immune Cells’ Combat Abilities
A recent study discovered that T-cells, a type of white blood cell, exhibit enhanced functionality after a meal. These T-cells act as a vigilant force within the body, targeting viruses, bacteria, and potentially cancerous tissues, according to Greg Delgoffe, an immunologist at the University of Pittsburgh and the UPMC Hillman Cancer Center.
Published in the journal Nature in April, the findings indicate that eating plays a crucial role in the body’s defense against infections. This insight may aid researchers in enhancing immune therapies and optimizing vaccination schedules.
Delgoffe, a senior study author, likened the immune system’s reliance on food to Napoleon’s famous quote about armies marching on their stomachs. He emphasized the significance of nourishing the immune system to bolster its defenses.
The research involved collecting blood samples from 31 healthy volunteers twice in a day: once in the morning after fasting overnight, and later after a meal. Following ingestion, T-cells exhibited improved absorption of fats and sugars, along with enhanced energy production in mitochondria, underscoring the impact of meals on immune cell function.
Furthermore, experiments on mice revealed that well-fed mice generated more memory cells, a specialized subset of T-cells that recognize previously encountered pathogens like viruses or bacteria.
Upon encountering foreign invaders such as viruses or bacteria, activated T-cells rapidly multiply to form a defense network throughout the body. This proliferation is metabolically demanding and contributes to the fatigue experienced during illnesses.
Despite not regulating participants’ diets, the study consistently observed positive post-meal effects on T-cells, with balanced nutrition yielding the most significant benefits.
The study’s implications extend to cancer treatments, particularly CAR-T therapies, which modify T-cell receptors to enhance cancer cell detection. Delgoffe and colleagues observed that CAR T-cells derived from fed individuals exhibited superior cancer control compared to those from fasting individuals.
The research underscores the potential for tailored dietary plans to enhance immune responses and augment the efficacy of existing cancer treatments. Russell Jones, a metabolism and nutritional programming expert at Van Andel Institute, emphasized the interconnectedness of diet, metabolism, and immunity in the context of cancer treatment.
In summary, the study underscores the critical role of a balanced diet in maintaining health, whether combating a cold or cancer, emphasizing the intricate relationship between nutrition, metabolism, and immunity.