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Predicting drug absorption in miniatured human liver

Kyoto University The Kazuo Takayama lab reports that PDMS-based liver-on-chip naturally absorb some drugs, which affects drug toxicity results. Liver-on-a-chip are miniaturized devices that capture the physiological and mechanical properties of the liver. They are commonly used by researchers to study how the liver metabolizes different compounds and drugs. In a new study seen in ACS Biomaterials Science & Engineering, CiRA Junior Associate Professor Kazuo Takayama and colleagues report which drugs based on their physicochemical properties are most suitable when using liver-on-a-chip to study drug toxicity. One of the most important tests for any drug approval is hepatotoxicity. In fact, the United States Food and Drug Administration claims it is the number one cause of safety-related drug withdrawal from the market. Thus, exhaustive testing is mandatory, as otherwise a company that has invested billions of dollars on a drug could see it all lost because of this danger

Multiple immune reactions when transplanting cartilage into monkeys

Kyoto University The Noriyuki Tsumaki lab reports the effects of gene editing monkey iPS cells on regenerative medicine for damaged knee cartilage. Immune rejection is one of the biggest obstacles to a cell therapy. To solve this problem, researchers have been investigating iPS cells that have been gene edited so that they can evade the immune system. While this concept is theoretically possible, there is limited evidence that it works in species resembling humans. A new study by the laboratory of CiRA Professor Noriyuki Tsumaki shows that this strategy is more complicated than expected when using monkey iPS cells to treat damaged knee cartilage in monkeys. The study can be read in Tissue Engineering Part A.

Developing cancer therapies with stem cells

Developing cancer therapies with stem cells
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Are genetic differences the primary reason for susceptibility and severity of COVID-19?

Are genetic differences the primary reason for susceptibility and severity of COVID-19?
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