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Scientists discover new code governing gene activity

Science Daily: Pharmacology News

A newly discovered code within DNA -- coined 'spatial grammar' -- holds a key to understanding how gene activity is encoded in the human genome. This breakthrough finding revealed a long-postulated hidden spatial grammar embedded in DNA.

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Foxp3 protein governs regulatory T cell genome structure

Drug Target Review

The instructions to form a cell are encoded in DNA strands, wrapped in proteins and RNA, and wound together into a 3D structure called chromatin. Another finding was that regulatory T cells had distinct chromatin architecture features called DNA loops. This indicated other Foxp3 protein-containing complexes may be involved.

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David Liu receives Breakthrough Prize in Life Sciences

Broad Institute

Base editing, which Lius team developed in 2016, is a gene editing technique that directly converts an individual DNA base pair into a different base pair. Liu became an HHMI investigator in 2005 and joined the JASONs, academic science advisors to the US government, in 2009.

Science 144
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A mathematical model to investigate the effects of ceralasertib and olaparib in targeting the cellular DNA Damage responses pathway [Chemotherapy, Antibiotics, and Gene Therapy]

ASPET

Here, we develop a biologically-motivated mathematical model governed by a set of ordinary differential equations, considering the cell cycle-specific interactions of olaparib and ceralasertib. Here, we develop a mathematical model to investigate the effects of ceralasertib and olaparib, two drugs that target DNA damage response pathways.

DNA 100
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AI-Designed Enzymes

Codon

By training PLACER on structures stored in the Protein Data Bank, the team taught the model to predict atom arrangements that follow the physical and chemical rules governing protein-small molecule interactions. They synthesized DNA encoding each protein variant, expressed the proteins in E. Credit: Lauko A.

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Women in Stem with Dr Emily Leproust

Drug Target Review

After some time in that role and launching several products, I received a call from Bill Banyai and Bill Peck, or ‘The Bills’ as we call them, who were building a company around technology that creates DNA by ‘writing’ it on a silicon chip. We’ve miniaturised the chemical process to making DNA and synthesize or ‘write’ DNA on a silicon chip.

DNA 116
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Human organoid research offers insights into gut cell differentiation

Drug Target Review

Gene regulation The differentiation of stem cells into specific cell types happens by gene regulation, where genes in the DNA of cells are switched ‘on’ and ‘off’. This is like switching the ‘traffic lights’ on or off.”

Research 111