News from Latin America
Updates every hour. Last Updated: 27-Jan-2026 15:11 ET (27-Jan-2026 20:11 GMT/UTC)
8-Jan-2026
Research shows how immune system reacts to pig kidney transplants in living patients
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
Results indicate that the innate immune response remains activated even with immunosuppressant use, paving the way for new therapies to prevent organ rejection.
- Journal
- Nature Medicine
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo
7-Jan-2026
Artificial saliva containing sugarcane protein helps protect the teeth of patients with head and neck cancer
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
In patients with head and neck cancer undergoing radiotherapy, applying radiation very close to the mouth can destroy some salivary glands and compromise saliva production, which is essential for controlling bacteria and disease
- Journal
- Journal of Dentistry
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo
7-Jan-2026
Advances in liquid biopsies as a tool for detecting lung cancer mutations
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
Researchers used a panel to assess the presence of circulating tumor DNA in plasma samples and detected changes in genes related to the development of adenocarcinoma that indicated both actionability by drugs and resistance to treatment.
- Journal
- Molecular Oncology
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo
5-Jan-2026
Second spider-parasitic mite described in Brazil
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
The parasitic mites were found on juvenile arachnids in the Butantan Institute collection. The larvae of Araneothrombium brasiliensis were collected in Rio de Janeiro. Previously, the genus had only one known species in Costa Rica.
- Journal
- International Journal of Acarology
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo
2-Jan-2026
Allowing coral reef fish stocks recover could feed millions
Smithsonian Tropical Research InstitutePeer-Reviewed Publication
A new study shows that allowing coral reef fish populations to recover could help fight global hunger, meeting seafood intake requirements for millions more people worldwide
- Journal
- Proceedings of the National Academy of Sciences
19-Dec-2025
Four years after the Mariana mining disaster in Brazil, river fish remained contaminated
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
A comprehensive analysis conducted in 2019 detected the accumulation of 13 heavy metals and other toxic substances, advising against consumption due to risks to human health.
- Journal
- Total Environment Advances
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo
19-Dec-2025
Potentially toxic elements in bananas grown in the Mariana disaster region exceed FAO limits
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
The study also assessed the risks of consuming cocoa and cassava grown in Linhares, a municipality in an area affected by the Fundão dam collapse in Minas Gerais, Brazil, ten years ago. The research group warns that continued consumption of food grown in contaminated soil may pose a carcinogenic risk due to the long-term accumulation of potentially toxic elements in the body
- Journal
- Environmental Geochemistry and Health
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo
18-Dec-2025
Latin American research indicates a lower prevalence of a type of head and neck cancer
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
After analyzing over 1,400 cases of squamous cell carcinoma of the head and neck, the study found that more aggressive histopathological variants occur at a rate of 4.6%. Previous estimates pointed to a rate of up to 15%.
- Journal
- Annals of Diagnostic Pathology
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo
18-Dec-2025
Bromeliads promote plant diversity in the forest by enriching the soil with nutrients
Fundação de Amparo à Pesquisa do Estado de São PauloPeer-Reviewed Publication
Water accumulated in the tanks of these plants living high up in trees has much higher concentrations of nitrogen, phosphorus, calcium, potassium, magnesium, sulfur, and iron than rainwater. Plants irrigated with this nutrient-rich water produced almost twice as many leaves.
- Journal
- Plant and Soil
- Funder
- Fundação de Amparo à Pesquisa do Estado de São Paulo