Cell biology

XENOTRANSPLANTATION

A team from USP is attempting to create genetically modified pigs to provide organs to humans

The animals will be raised in special facilities, such as one opened on the Cidade Universitária campus in April

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Medicine

Signs of Parkinson’s disease in the skin

In the future, a skin exam could help doctors diagnose Parkinson's disease

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Interview

2024 could become the year with the highest number of dengue cases

FAMERP virologist Maurício Nogueira discusses the characteristics of the current epidemic and the need for the health system to prepare for more patients

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Nutrition

Ultra-processed foods lead to diabetes

Consumption of ultra-processed foods is associated with a higher risk of type 2 diabetes

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New materials

Advances in 3D printing of human tissues

Artificially produced skin, livers, and intestines emerge as an alternative to testing cosmetics on animals

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VIROLOGY

Mayaro virus causes swelling of the skin, muscles, and joints

In tests on rodents, the pathogen multiplied quickly and affected other organs

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Ophthalmology

Biochemists identify retinal changes associated with blindness in preterm infants

Abnormal blood vessel formation affects the availability and utilization of lipids that constitute cell membranes

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Biology

Giant viruses released from thawing ground

Viruses come back to life after lying dormant in the icy ground for millennia

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Biology

The clock that regulates sunflowers

Circadian clock controls maturation of the hundreds of tiny flowers that form concentric circles on the heads of adult sunflowers

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Neuroscience

The brain before schizophrenia

Researchers link schizophrenia to protein production during brain maturation

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INFORMATION TECHNOLOGY

Artificial intelligence in healthcare

AI-based technologies are already being used in medicine, but there are hurdles still to overcome before they can be incorporated on a larger scale in Brazil

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Biotechnology

Cell therapy on the radar

Company changes business plan and invests in regenerative medicine in search of a cure for diseases that currently have no treatment

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GOOD PRACTICES

MIT biologist accused of sexual harassment resigns

David Sabatini studied cell signaling and cancer metabolism

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photolab

Narrow passage

Image shows how Leukocytes squeeze through tiny pores

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INFECTIOUS DISEASES

A long-sought cure may be closer

Experimental treatment able to control HIV for six months after stopping antiretrovirals

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ZOOLOGY

Hibernation delays aging in marmots and encourages sexual maturation in ground squirrels

Studies on the effects of hibernation were carried out by Brazilian researchers in the USA

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COVID-19

Cross-infection between species

Humans have transmitted SARS-CoV-2 to animals, at least two of which have passed the virus onto other people

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COVID-19

Third dose lowers risk of death

Coronavirus vaccine booster doses significantly reduce the risk of death from COVID-19

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COVID-19

Long-term damage to the surroundings

A cellular change induced by SARS-CoV-2 may explain prolonged symptoms of the disease

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Funding

Committed effort

Survey finds investment in cancer research has fallen in Brazil

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COVID-19

The uncertainties of omicron

New SARS-CoV-2 variant is highly transmissible, but for now, there is no evidence that it causes more severe disease or more deaths

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MEDICINE

Problems in cancer studies

Problems in cancer studies

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Health

Focus on the bacillus

Fast, portable, and sensitive, a new test could be a useful tool for preventing leprosy and helping with early diagnosis.

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Endocrinology

A delicate balance

Brazilians identify new areas of the brain's hunger circuit

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COVID-19

The quest for a Brazilian vaccine

Researchers are testing a range of technologies, but few initiatives will receive the funding needed for costly phase 3 clinical trials

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Photolab

Fertility clock

Genetic alterations to the biological clock could be linked to fertility disorders

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Video

The plant biological clock benefits agriculture

Understanding the plant circadian rhythms, and learning how to manipulate them, may widen cultivation options | 2'42

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Neuroscience

Defenders more at risk of dementia

Heading has been associated for some time with an increased risk of developing neurodegenerative diseases

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Interview

Sérgio Pena: Under the skin

The Minas Gerais geneticist proves that, at the cellular level, Brazilians look the same

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Cell biology

The explosive exit of Trypanosoma cruzi

Biologist used microscopes to observe and document how the parasite returns to the blood

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