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Showing results 61-68 of 68 for 'Biochemistry'

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    Human Cell Atlas Hopes to Unravel Mysteries Hidden in Our Genes

    A major international project is attempting to create the first comprehensive three-dimensional map of all human cells which could end up revealing secrets about our health and how our bodies function. It is nearly 350 years since scientists first discovered that our bodies are made up of tiny building blocks known as cells. Today we still know very little about their nature, but if we did, we could better understand how our bodies work, how diseases afflict us and how we age. A global project called Human Cell Atlas is now attempting to create the first comprehensive three-dimensional map of the human body in order to unravel some of these mysteries.

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    Israelis Make Major Breakthrough in Turning Mature Cells into Skin Cells

    Tel Aviv University and Weizmann Institute of Science researchers have shown it is possible to turn mature cells from the heart, brain and other organs in mice models into skin cells. Their findings, just published in the prestigious journal Nature Communications, proves for the first time that it is possible to repurpose the function of different mature cells across the body and harvest new tissue and organs from these cells. “The applications of this are unlimited – from transplants, which would eliminate long waiting lists and eliminate the common problem of immune system rejection of ‘foreign’ organs; to maybe one day curing deafness: taking any cell in the body and transforming it into melanocytes to aid in the restoration of hearing. The possibilities are really beyond the scope of the imagination,” said Prof. Carmit Levy of the TAU Sackler School of Medicine’s human molecular genetics and biochemistry department.

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    Body Knows Best: A Natural Healing Mechanism for Inflammatory Bowel Disease

    Treating inflammatory diseases of the bowel is extremely challenging: genes, gut microbes, and disrupted immune function all contribute. Weizmann Institute of Science researchers are proposing a way around this complexity. In a study in mice, published in Cell Reports, they have found a way to trigger a natural defense mechanism that prompts the body itself to alleviate intestinal inflammation.

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    A Century-Old Model for the Origin of Life Gets Significant Substantiation

    In 1924, Russian biochemist Alexander Oparin claimed that life on Earth developed through gradual chemical changes of organic molecules in the “primordial soup” that likely existed here four billion years ago. In his view, the complex combination of lifeless molecules, joining forces within small oily droplets, could assume life faculties – self-replication, selection, and evolution. These ideas were received with considerable doubt, which remains today.

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    The Importins of Anxiety

    According to some estimates, up to one in three people around the world may experience severe anxiety in their lifetime. In a study published in Cell Reports, researchers at the Weizmann Institute of Science have revealed a previously unknown mechanism underlying anxiety. Targeting this biochemical pathway may help develop new therapies to alleviate the symptoms of anxiety disorders.