Study tracks patients to better understand effects and possible treatments

December 1 is World AIDS Day, a time to raise awareness about a disease that has afflicted 70 million people worldwide, 35 million of whom have died as a result.

Researchers have linked a debilitating neurological disease in children to mutations in a gene that regulates neuronal development through control of protein movement within neuronal cells. 

When two people smell the same thing, they can have remarkably different reactions, depending on their cultural background. Researchers at the Neuro have found that even when two cultures share the same language and many traditions, their reactions to the same smells can be different.

The Social Sciences and Humanities Research Council of Canada (SSHRC) today awarded its 2016 Gold Medal to Prof. Claudia Mitchell of McGill’s Department of Integrated Studies in Education, in recognition of her work to strengthen HIV/AIDS education and prevention. 

The first large-scale study of its kind has revealed that Canadian men generally lack knowledge about the risk factors contributing to male infertility. Research led by Dr. Phyllis Zelkowitz, head of psychosocial research at the Lady Davis Institute of the Jewish General Hospital, found that men could only identify about 50% of the potential risks and medical conditions that are detrimental to their sperm count and, thus, their prospects to father children.

One of the great mysteries in biology is how the many different cell types that make up our bodies are derived from a single cell and from one DNA sequence, or genome. We have learned a lot from studying the human genome, but have only partially unveiled the processes underlying cell determination. The identity of each cell type is largely defined by an instructive layer of molecular annotations on top of the genome – the epigenome – which acts as a blueprint unique to each cell type and developmental stage.

The transition from being sea creatures to living on land, even if it happened over 300 million years ago, seems to have left its traces on the way we keep our balance today.

“It’s a discovery that is likely to be controversial,” says Kathy Cullen, the senior researcher on a paper on the subject that was published recently in Nature Communications. She has been working on this problem for over a decade with her colleague Maurice Chacron who also teaches in McGill’s Department of Physiology.