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New stem cells go back further

Researchers at the Weizmann Institute of Science have successfully created induced pluripotent stem cells (iPS cells) that can be kept in a pristine state, paving the way for growing transplant organs to order. The breakthrough enables the production of 'humanized' mouse models containing human-derived tissues.

Research findings point to new therapeutic approach for common cause of kidney failure

Researchers have discovered a process defective in patients with autosomal dominant polycystic kidney disease, a leading cause of kidney failure. Induced pluripotent stem cells from patients were reprogrammed to study human kidney disease mechanisms, revealing a potential therapeutic strategy by correcting a protein defect.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateSep 5, 2013

Decellularized mouse heart beats again after regenerating with human heart precursor cells

Researchers at the University of Pittsburgh School of Medicine have successfully regenerated a mouse heart using human heart precursor cells, paving the way for potential transplantation and drug testing models. The breakthrough could lead to personalized organ replacement and improved treatment options for heart disease patients.

New 'biowire' technology matures human heart by mimicking fetal heartrate

Researchers at the University of Toronto have developed a new method to mature human heart cells by applying electrical pulses and simulating fetal heart rates. This discovery offers a fast and reliable way to create mature human cardiac patches for various applications, including drug screening and transplantation.

IUPUI stem cell research could expand clinical use of regenerative human cells

Researchers at IUPUI have successfully differentiated human induced pluripotent stem cells into retinal cells using chemical methods, eliminating the need for animal products. This breakthrough could lead to new treatments for retinal diseases and expand the clinical use of regenerative human cells.

SourceIndiana University-Purdue University Indianapolis School of Science·JournalStem Cells Translational Medicine·DateMar 19, 2013

Joslin scientists find first human iPSC from patients with maturity onset diabetes of the young

Researchers at Joslin Diabetes Center have successfully generated human induced pluripotent stem cells (hiPSCs) from patients with maturity onset diabetes of the young (MODY), a rare form of diabetes. The hiPSCs offer a powerful tool for studying the genetic mechanisms underlying MODY and testing potential treatments.

SourceJoslin Diabetes Center·JournalJournal of Biological Chemistry·DateJan 31, 2013

Researchers find multiple similarities between cancer cells and induced pluripotent stem cells

A new study by UC Davis researchers found that induced pluripotent stem cells (iPSCs) share significant similarities with malignant cancer cells, highlighting the need for caution in clinical use. The findings suggest that iPSCs could cause cancer and may require additional safety measures before they can be used to treat diseases.

SourceUniversity of California - Davis Health·JournalStem Cells and Development·DateSep 28, 2012

Discovery of reprogramming signature may help further stem cell-based regenerative medicine research

Researchers at Salk Institute discover a unique molecular signature in induced pluripotent stem cells, consisting of nine genes that govern epigenetic changes. This finding could help overcome hurdles to using induced stem cells in regenerative medicine and provide a new understanding of their safety profile.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·DateSep 18, 2012

Scientists turn patients' skin cells into heart muscle cells to repair their damaged hearts

Researchers have successfully reprogrammed skin cells from elderly heart failure patients into healthy, beating heart muscle cells that can integrate with existing heart tissue. The study uses human-induced pluripotent stem cells (hiPSCs) to repair damaged hearts, offering a potential new treatment option for heart failure patients.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateMay 22, 2012

2 Cell Transplantation studies impact dental stem cell research for therapeutic purposes

Researchers from Brazil and Korea used human immature dental pulp stem cells to create induced pluripotent stem cells, showing promising characteristics for therapeutic applications. The studies suggest that dental stem cells may be a valuable alternative source for regenerative medicine, including tooth regeneration and repair.

Researchers decode a puzzling movement disorder

Scientists at the University of Bonn have made a breakthrough in understanding Machado-Joseph disease by studying nerve cells derived from patients' skin cells. The research reveals that electrical activity in these cells triggers protein aggregation, explaining why the disease affects only nerve cells.

SourceUniversity of Bonn·JournalNature·DateNov 24, 2011

Cells derived from different stem cells: Same or different?

Researchers have found that mouse induced pluripotent stem (iPS) cells and embryonic stem (ES) cells produce highly similar definitive endoderm when differentiated in vitro. This suggests that iPS cells could be used for developing cell-based therapies for diseased endoderm-derived tissues.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMay 2, 2011

Study shows patient's own cells may hold therapeutic promise after reprogramming, gene correction

Researchers have determined that correcting a genetic defect does not substantially increase the number of potentially cancer-causing mutations in induced pluripotent stem cells. This breakthrough suggests that human-induced pluripotent stem cells altered to correct a genetic defect may be cultured into subsequent generations of cells ...

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateApr 4, 2011

JCI online early table of contents: Feb. 7, 2011

Researchers have developed an approach to identify parasite genes associated with severe infection in pregnant women and children, offering new understanding of childhood malaria. Additionally, studies found that niacin can inhibit progression of atherosclerosis in mice through its receptor GPR109A expressed by immune cells.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 7, 2011

Different sources, same result

Scientists found that hepatocyte-like cells derived from iPS cells exhibit 80% similar gene expression to those from embryonic stem cells, but less than that of real human liver cells. The study suggests that further adaptation is needed for iPSC-derived hepatocytes to be used in treating liver diseases.

SourceMax-Planck-Gesellschaft·JournalStem Cells and Development·DateJan 5, 2011

Human embryonic stem cells and reprogrammed cells virtually identical

Researchers found that human embryonic stem cells and reprogrammed cells exhibit very few differences in gene expression signatures and are nearly indistinguishable in their chromatin state, according to Whitehead Institute researchers. This study suggests that reprogrammed cells may indeed hold clinical promise ascribed to them earlier.

Gene that improves quality of reprogrammed stem cells identified by Singapore scientists

Researchers at the Genome Institute of Singapore have identified the genetic molecule Tbx3, which significantly improves the quality of induced pluripotent stem cells (iPS cells). The study successfully produced iPS cells that can recapitulate entire developmental processes and exhibit superior ability for germ-line transmission.

Reprogrammed mouse fibroblasts can make a whole mouse

Scientists have reprogrammed mouse fibroblasts to create whole mice using tetraploid complementation, a significant advancement in understanding induced pluripotent stem cells. This achievement offers hope for overcoming embryo destruction in pluripotent cell derivation and potentially revolutionizing regenerative medicine.

SourceCell Press·JournalCell Stem Cell·DateJul 23, 2009