Genetics

A single DNA tweak leads to blond hair

A single-letter change in the genetic code is enough to generate blond hair in humans, in dramatic contrast to our dark-haired ancestors. A new analysis by Howard Hughes Medical Institute (HHMI) scientists has pinpointed ...

Genetics

Handful of genetic changes led to huge changes to human brain

Changes to just three genetic letters among billions led to evolution and development of the mammalian motor sensory network, and laid the groundwork for the defining characteristics of the human brain, Yale University researchers ...

Oncology & Cancer

Mobile DNA elements can boost the development of malignant tumors

Nearly half of the human genome is composed of transposable elements, which are sequences of DNA that are able to replicate and relocate in the genome. Previously, transposable elements have been considered "junk" DNA in ...

Medical research

Study unveils picolinic acid's broad-spectrum antiviral abilities

Picolinic acid, a natural compound produced by mammalian cells, can block several disease-causing viruses such as SARS-CoV-2 and influenza A viruses, according to a new study by researchers at the Indian Institute of Science ...

Genetics

An unprecedented view of gene regulation

Much of the human genome is made of regulatory regions that control which genes are expressed at a given time within a cell. Those regulatory elements can be located near a target gene or up to 2 million base pairs away from ...

Medications

Novel drug makes mice skinny even on sugary, fatty diet

Researchers from The University of Texas Health Science Center at San Antonio (UT Health San Antonio) have developed a small-molecule drug that prevents weight gain and adverse liver changes in mice fed a high-sugar, high-fat ...

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