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Graph showing voltage of cell membrane's change over time
Cancer

Focusing on tumor cells brings insights into cancer neuroscience

Sep. 10, 2024
By Anette Breindl
By looking at the electrical activity of tumor cells, rather than the neurons that innervate them, investigators at Baylor College of Medicine have added both basic and translational insights to the emerging field of cancer neuroscience. In their studies, which were published in Cancer Cell on Sept. 5, 2024, the researchers identified the cell of origin for IDH-mutated gliomas.
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Oscar-Wilde-illustration.jpg
Aging

Updating Oscar Wilde’s visions of rejuvenation at ARDD 2024

Sep. 6, 2024
By Mar de Miguel
Immortality and eternal youth have been the stuff of myths and legends from ancient times on. Now, in the 21st century, real studies of current medicine could be applied to repair tissues and organs damaged by age. During the 11th Aging Research & Drug Discovery (ARDD) Meeting held at the University of Copenhagen at the end of August, scientists explained the molecular keys of rejuvenation, as many artists imagined in the past.
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AI-generated illustration of muscular man running

ARDD 2024: Age without disease, exercise muscles and win $111M

Sep. 3, 2024
By Mar de Miguel
Aging is part of the life cycle and, although the effects are not manifest until after adulthood, it actually occurs from birth. The concept of senescence has traditionally been associated with aging. However, an embryo has senescent cells. In that case, what is aging, how can it be measured, and from what point in the life cycle?
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Hourglass on glowing circuit board, symbolizing time and technology
Aging

ARDD 2024: Back to the future in the times of aging research

Aug. 29, 2024
By Mar de Miguel
Since the publication of The Hallmarks of Aging in 2013, aging research has exploded. The field now has more than 300,000 articles on the biological signals of the effect of time on the body. What would Marty McFly, the legendary character from the Back to the Future saga who traveled with his DeLorean time machine from the ‘80s to the ‘50s, think if he visited 2024 and saw laboratories experimenting with techniques to turn back the biological clocks of cells or increase the lifespan of rejuvenated mice?
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Hair follicle containing phagocytic stem cells
Dermatologic

Stem cells eat dead cells to ensure tissue integrity

Aug. 28, 2024
By Mar de Miguel
Phagocytosis – eliminating millions of dead cells every day – requires specialized cells such as macrophages, the true professionals, which migrate to engulf waste and dying cells.
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Hair follicle containing phagocytic stem cells
Dermatologic

Stem cells eat dead cells to ensure tissue integrity

Aug. 27, 2024
By Mar de Miguel
Phagocytosis – eliminating millions of dead cells every day – requires specialized cells such as macrophages, the true professionals, which migrate to engulf waste and dying cells. But they are not the only ones that can perform this task, as scientists at Howard Hughes Medical Institute (HHMI) discovered when they investigated hair follicle stem cells (HFSCs), a tissue in constant regeneration, to clarify how dying cells are detected and cleared in the epithelium and the mesenchyme.
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Glucocerebrosidase enzyme structure rendering
Endocrine/metabolic

Two enzymatic modulators could alleviate Gaucher disease

Aug. 26, 2024
By Mar de Miguel
People with the rare inherited metabolic disorder Gaucher disease have a deficiency in the lipid-digesting glucocerebrosidase enzyme, which causes the accumulation of harmful levels of glucolipids in various organs. The enzyme has a very short half-life, which rules out enzyme replacement as an effective therapy, and as things stand, there are few treatments for this and other lysosomal storage diseases (LSDs). Now, researchers have discovered two small molecules that enhance the activity of glucocerebrosidase in cellular models of LSD, pointing to a potential new approach to treating these diseases.
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Kelin Zhao and Daniel Gray
Aging

Discovery of new age-related epithelial cells sheds light on aging in the thymus

Aug. 23, 2024
By Tamra Sami
Researchers at the Walter and Eliza Hall Institute of Medical Research (WEHI) in Melbourne have discovered new cells that drive the aging process in the thymus that could unlock a way to restore function and prevent immunity from waning as we age. The thymus is the first organ in the body to shrink as people age. As this happens, the T-cell growth areas in the thymus are replaced with fatty tissue, diminishing T-cell production and contributing to a weakened immune system.
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Gamma secretase protein complex
Neurology/psychiatric

Presenilin mutations kill neurons, no amyloid-β required

Aug. 23, 2024
By Mar de Miguel
Scientists at Harvard Medical School have shown that in mice lacking amyloid beta (Aβ), the fundamental hallmark of Alzheimer's disease (AD), neurons died from the effect of the most harmful mutation of this neurodegenerative disease. They showed that presenilin (PS) could be behind the origin of the disease without the need for Aβ. They maintain that it is time to update theories and redirect efforts.
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Illustration of male vs. female bodies showing organs
Endocrine/metabolic

Female sex hormones, adiposity are bad mix in multiple sclerosis

Aug. 21, 2024
By Anette Breindl
The risk of developing multiple sclerosis (MS) is nearly four times as high for women as it is for men. And that relative risk has increased sharply over time. In 1955, women were only slightly more likely than men to develop MS. A research team at the University of Toronto and the Oklahoma Medical Research Foundation (OMRF) has gained new insights into possible causes for this increasing disparity.
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