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No animal species is known to be immune to the acute toxic effects of aflatoxins. Adult humans have a high tolerance for aflatoxin exposure and rarely succumb to acute aflatoxicosis, [31] but children are particularly affected, and their exposure can lead to stunted growth and delayed development, in addition to all the symptoms mentioned below ...
Treatment of human liver cells with aflatoxin B 1 at doses that ranged from 3–5 μmol/L resulted in the formation of aflatoxin B 1-DNA adducts, 8-hydroxyguanine lesions and DNA damage. [41] Carcinogenicity The carcinogenicity of aflatoxin B 1, which is characterized by the development of liver cell carcinoma, has been reported in rat studies ...
The effect of aflatoxin M 1 was much weaker than aflatoxin B 1 in producing liver cancer. The limited animal studies carried out to determine toxicity of aflatoxin M 1. Aflatoxin M 1 has toxic and carcinogenic properties. The toxicity of aflatoxin M 1 in ducklings and rats seems to be slightly less than that of aflatoxin B 1.
On October 26, 2015, the International Agency for Research on Cancer of the World Health Organization reported that eating processed meat (e.g., bacon, ham, hot dogs, sausages) or red meat was linked to some cancers and classed them as Group 1 (carcinogenic to humans) and Group 2a (probably carcinogenic to humans) carcinogens respectively. [49]
Aflatoxin B 1, the most toxic, is a potent carcinogen and has been directly correlated to adverse health effects, such as liver cancer, in many animal species. [11] Aflatoxins are largely associated with commodities produced in the tropics and subtropics, such as cotton, peanuts, spices, pistachios, and maize.
The World Health Organization breaks down the three types of carcinogens that can cause cancer in humans. The first type of carcinogen is the physical type which can be ultraviolet and ionizing radiation. The second type of carcinogens is defined as asbestos, tobacco smoke, alcohol, aflatoxin, and arsenic.
Contamination of food is common in Africa, South-East Asia, and China. The mechanism by which aflatoxins cause cancer is through mutations and epigenetic alterations. Aflatoxins induce a spectrum of mutations, [40] [41] including in the p53 tumor suppressor gene, which is a mutation seen in many types of cancers. [40]
This research facility is designed to simulate real-world, non-hospital environments, allowing Mayo Clinic researchers to study the interaction between indoor spaces and human health. [87] Mayo Clinic's Advanced Care at Home Model of Care launched in 2020 and assists patients in their own homes through virtual care. [88]