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Pain and itch in a dish

Researchers at Scripps Research Institute have developed a method to convert human skin cells into sensory neurons, allowing for the study of pain and itch in a laboratory setting. This breakthrough enables the examination of neurodegenerative diseases such as Friedreich's ataxia and the testing of potential therapies.

SourceScripps Research Institute·JournalNature Neuroscience·DateNov 24, 2014

Fruit flies reveal features of human intestinal cancer

Fruit fly research reveals that a transcription factor called Mirror regulates tumour-like growth in the intestines. A similar system may be at work in humans, suggesting a potential role for Irx transcription factors in cancer progression. This study could lead to new treatments using the fruit fly model.

SourceEMBO·JournalEMBO Reports·DateOct 8, 2014

New insight into stem cell development

Researchers from University of Southern Denmark have discovered that proteins called transcription factors work together in a new and complex way to reprogram the DNA strand when a stem cell develops into a specific cell type. This discovery could lead to new ways of making stem cells develop into exactly the type of cells that a physi...

SourceUniversity of Southern Denmark·JournalCell Reports·DateMay 22, 2014

Male and female sex cell determination requires lifelong maintenance and protection

A study from the University of Minnesota found that sex-specific transcription factors perform lifelong work to maintain sexual determination and protect against reprogramming of cells. The researchers identified key transcription factors responsible for maintaining sexual differentiation, including DMRT1 and FOXL2.

SourceUniversity of Minnesota Academic Health Center·JournalDevelopmental Cell·DateMay 22, 2014

Scientists find a molecular clue to the complex mystery of auxin signaling in plants

Researchers at Washington University in St. Louis have identified a key protein in the auxin signaling network that may help understand the entire mechanism. The protein's interaction domain allows it to form chains with other proteins, fine-tuning the response of individual cells to auxin and producing detailed patterns on plant leaves.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateMar 24, 2014

Wired for change

A study of gene expression in five closely related mouse species reveals the first steps of evolution in gene regulation. The research found that transcription-factor binding variation is an important indicator of gene-regulation activity.

Between B cells and T cells

Researchers discovered that the transcription factor EBF1 is crucial for maintaining B cell identity and preventing alternative fates. When EBF1 was switched off, transplanted B cells forgot their previous identity and developed into T cells and natural killer cells.

SourceMax-Planck-Gesellschaft·JournalNature Immunology·DateJul 23, 2013

Pistil leads pollen in life-and-death dance

A Brown University research team has discovered the genetically prescribed dance steps of the pollen tube, which leads to its self-sacrifice and allows flowering plants to reproduce. The study highlights the complex intercellular communications involved in pollination.

SourceBrown University·JournalCurrent Biology·DateJun 20, 2013

JCI early table of contents for April 8, 2013

Researchers identify ATRX as a crucial gene in maintaining genomic stability, preventing chromosomal mutations and rearrangements that can cause disease and aging. Atrx deficiency in mice leads to increased DNA damage, endocrine dysfunction, shortened lifespans, and degenerative phenotypes similar to human premature aging disorders.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 8, 2013

Epigenetic control of cardiogenesis

Researchers have discovered a new class of non-coding RNAs essential for embryonic heart development. Knocking down the long non-coding RNA Fendrr led to lethal malformations and impaired body wall formation in mouse embryos. The study sheds light on the role of epigenetic control in regulating cardiogenesis.

SourceMax-Planck-Gesellschaft·JournalDevelopmental Cell·DateJan 29, 2013

Researchers identify genetic basis of cardiac, craniofacial birth defects

A group of researchers has identified four specific transcription factor genes that control processes related to heart and head muscle formation. This basic research will provide a road map to ultimately allow scientists to grow the cell types needed to repair such defects from stem cells generated from a person's own body.

SourceOregon State University·JournalProceedings of the National Academy of Sciences·DateOct 29, 2012

Moffitt Cancer Center researchers and colleagues identify PHF20, a regulator of gene P53

Researchers at Moffitt Cancer Center have identified PHF20 as a novel transcriptional factor that regulates gene P53, a crucial gene for normal cell growth and tumor suppression. The study found that PHF20 directly interacts with p53 and stabilizes it, allowing for its activation in response to DNA damage.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalNature Structural & Molecular Biology·DateAug 24, 2012

Finished heart switches stem cells off

Researchers discovered a crucial switch controlling cardiac stem cell activity, enabling the growth of healthy hearts and potentially treating congenital defects. By silencing this switch, scientists hope to regenerate damaged adult hearts using lab-cultured replacement cells.

SourceMax-Planck-Gesellschaft·JournalDevelopmental Cell·DateJul 12, 2012

Immune system 'circuitry' that kills malaria in mosquitoes identified

Researchers at Johns Hopkins Bloomberg School of Public Health have identified the function of a series of proteins within the mosquito that transduce a signal to trigger an immune response against the malaria parasite. The study found that manipulating these proteins through genetic engineering can create a malaria-resistant mosquito.

Few genes control neuronal function

Researchers at Linköping University identified seven key transcription factors that specify the creation of 34 neuron groups in a fruit fly's antenna. This discovery sheds light on the mechanisms that diversify neurons and keep them diverse, crucial for future nerve cell cultivation and replacement.

SourceLinköping University·JournalPLOS Biology·DateMar 14, 2012