UT Southwestern study shows glucagon is key for kidney health

Glucagon, a hormone best known for promoting blood sugar production in the liver, also appears to play a key role in maintaining kidney health. When UT Southwestern Medical Center researchers removed receptors for this hormone from mouse kidneys, the animals developed symptoms akin to chronic kidney disease (CKD).

In Memoriam: Jonathan W. Uhr, M.D., renowned immunologist and longtime Chair of Microbiology

Jonathan W. Uhr, M.D., Professor Emeritus of Immunology at UT Southwestern Medical Center, who discovered how antibodies are made and developed a technique that led to the early detection of cancer cells, died Feb. 15. He was 96. Dr. Uhr was a member of the National Academy of Sciences and the American Academy of Arts and Sciences.

UT Southwestern molecular geneticist wins Hill Prize from TAMEST

Russell DeBose-Boyd, Ph.D., Professor of Molecular Genetics at UT Southwestern Medical Center, has been awarded the Hill Prize in Biological Sciences from the Texas Academy of Medicine, Engineering, Science and Technology (TAMEST) in recognition of his long-standing research into a key mechanism necessary for cholesterol control.

Device keeps brain alive, functioning separate from body

Researchers led by a team at UT Southwestern Medical Center have developed a device that can isolate blood flow to the brain, keeping the organ alive and functioning independent from the rest of the body for several hours.

Study reveals how estrogen exerts its anti-diabetic effects

The quintessential female sex hormone estrogen stimulates cells that line blood vessels to deliver insulin to muscles, lowering blood sugar and protecting against Type 2 diabetes, UT Southwestern Medical Center researchers report. The findings, published in Nature Communications, could eventually lead to new therapies for Type 2 diabetes, a disease that affects hundreds of millions of people around the globe and continues to grow more prevalent.

UTSW researcher receives NIH Director’s New Innovator Award

Ravikanth Maddipati, M.D., Assistant Professor of Internal Medicine and in Children’s Medical Center Research Institute at UT Southwestern, has been awarded $1.5 million from the National Institutes of Health (NIH) to support research investigating positional heterogeneity in cancer, or how tumors in the same organ can behave differently based on where they form.

UT Southwestern biochemist Zhijian ‘James’ Chen to receive prestigious Horwitz Prize

Zhijian “James” Chen, Ph.D., Professor of Molecular Biology at UT Southwestern Medical Center, has been awarded the 2023 Louisa Gross Horwitz Prize in recognition of his groundbreaking work on innate immunity.

UTSW researchers identify driver of inflammatory bowel disease

Researchers at UT Southwestern Medical Center have discovered an intracellular mechanism that converts protective intestinal cells into disease-driving pathogenic cells, a finding that could lead to improved treatments for patients with inflammatory bowel disease (IBD).

Intestinal bacteria release molecular ‘brake’ on weight gain

Bacteria that live in the intestines inhibit a molecule that limits the amount of fat absorbed, increasing weight gain in mice fed a high-sugar, high-fat diet, researchers from UT Southwestern Medical Center report. The findings, published in Science, could eventually lead to new ways to combat obesity, diabetes, and malnutrition – health problems that plague hundreds of millions worldwide.

Study identifies characteristics specific to human brains

Researchers led by a team at UT Southwestern Medical Center have identified cellular and molecular features of the brain that set modern humans apart from their closest primate relatives and ancient human ancestors. The findings, published in Nature, offer new insights into human brain evolution.

Research pinpoints inflammation source behind atherosclerosis

Scientists at UT Southwestern Medical Center and Children’s Medical Center Dallas have discovered in mice how high cholesterol causes blood vessels to become inflamed, a necessary prerequisite for atherosclerosis – the “hardening of the arteries” responsible for most heart attacks and strokes. The findings, published in Nature Communications, could lead to new interventions to protect against cardiovascular diseases (CVD), the leading cause of death globally.

Gene that regulates immune activity in the retina identified

UT Southwestern Medical Center researchers have identified a gene called Lipe that appears to be pivotal to retinal health, with mutations spurring immune activation and retinal degeneration. This is important because the retina is responsible for detecting the light that is transformed into vision. The findings, published in Communications Biology, provide clues about the mechanisms behind a variety of disorders affecting the retina, including macular degeneration and diabetic retinopathy.

CRI’s Sean Morrison elected to European Molecular Biology Organization

Stem cell biologist Sean J. Morrison, Ph.D., Howard Hughes Medical Institute Investigator and founding Director and Professor of the Children’s Medical Center Research Institute at UT Southwestern (CRI), has been elected by his peers as an associate member of the European Molecular Biology Organization (EMBO).

Noboro Mizushima, M.D., Ph.D., awarded inaugural Beth Levine, M.D. Prize in Autophagy Research from UT Southwestern

Japanese biochemist and molecular biologist Noboru Mizushima, M.D., Ph.D., has been named the inaugural recipient of the Beth Levine, M.D. Prize in Autophagy Research from UT Southwestern Medical Center. Dr. Mizushima is an internationally recognized scientist who has made significant strides in unraveling the complex processes of mammalian autophagy, a fundamental cellular mechanism responsible for maintaining cellular health and functionality.

UT Southwestern researchers discover mechanism responsible for genome rearrangements

The goal of every dividing cell is to accurately segregate its genome into two genetically identical daughter cells. However, this process often goes awry and may be responsible for a new class of chromosomal abnormalities found in cancers and congenital disorders, UT Southwestern Medical Center scientists report in a new study. The discovery, published in Nature, sheds light on how cancer cells rapidly evolve genomic changes that fuel their proliferation.

UTSW researchers generate cattle blastoids in lab to aid farm animal reproduction

UT Southwestern Medical Center stem cell and developmental biologists and colleagues have developed a method to produce bovine blastoids, a crucial step in replicating embryo formation in the lab that could lead to the development of new reproductive technologies for cattle breeding.

UT Southwestern Physiology Chair, molecular geneticist elected to prestigious National Academy of Sciences

The National Academy of Sciences elected two more UT Southwestern Medical Center scientists in the fields of molecular genetics and physiology into its membership, one of the highest honors for American scientists. Russell DeBose-Boyd, Ph.D., Professor of Molecular Genetics, and Duojia Pan, Ph.D., Chair of Physiology and a Howard Hughes Medical Institute Investigator, were elected by their peers in recognition of the importance of their scientific discoveries.

Male, female knee cartilage disparities may explain differences in rates of degeneration

Researchers have long known there are sex disparities when it comes to the prevalence and severity of knee osteoarthritis, a disease that causes cartilage degeneration. Now, investigations underway at UT Southwestern Medical Center point to biological differences in the knee cartilage of male and female animals that could explain substantial variances in rates of osteoarthritis between the sexes and may eventually lead to tailored treatments that take these into account.

UT Southwestern researchers discover critical protein for common bone growth disorder

A team led by UT Southwestern Medical Center researchers has discovered a protein that appears to be pivotal for traumatic heterotopic ossification (HO), a condition in which bone forms in muscles, tendons, and other soft tissues after traumatic injury or surgery. The findings, published in Science Advances, could yield new ways to prevent this common complication, the researchers say.

Healthy gut bacteria can help fight cancer in other parts of the body, UTSW researchers find

Researchers at UT Southwestern Medical Center have discovered how healthy bacteria can escape the intestine, travel to lymph nodes and cancerous tumors elsewhere in the body, and boost the effectiveness of certain immunotherapy drugs. The findings, published in Science Immunology, shed light on why antibiotics can weaken the effect of immunotherapies and could lead to new cancer treatments.

UT Southwestern scientists discover agent that reverses effects of intoxication

A shot of a liver-produced hormone called FGF21 sobered up mice that had passed out from alcohol, allowing them to regain consciousness and coordination much faster than those that didn’t receive this treatment, UT Southwestern researchers report in a new study. The findings, published in Cell Metabolism, could lead to effective treatments for acute alcohol intoxication, which is responsible for about 1 million emergency room visits in the U.S. each year.

Response to hormone therapy predicts radiation resistance in ER+ breast cancer

How estrogen receptor-positive (ER+) breast cancer responds to hormone therapy may hold keys to understanding how it will respond to radiation therapy, and an experimental drug that increases the effectiveness of hormone therapy also overcomes radiation resistance in breast cancer, a study by UT Southwestern Medical Center researchers shows.

How a Record-Breaking Copper Catalyst Converts CO2 Into Liquid Fuels

Since the 1970s, scientists have known that copper has a special ability to transform carbon dioxide into valuable chemicals and fuels. But for many years, scientists have struggled to understand how this common metal works as an electrocatalyst, a mechanism that uses energy from electrons to chemically transform molecules into different products.

Potential genetic regulators of the heartbeat identified by UT Southwestern researchers

UT Southwestern Medical Center researchers have mapped gene control elements in specialized cardiac cells responsible for coordinating heartbeats. The findings of the genome exploration study, published in The Journal of Clinical Investigation, provide insight into how heartbeats are regulated and could impact diagnosis and risk prediction for a variety of common arrhythmias.

UT Southwestern researchers discover gene regulation mechanism

UT Southwestern Medical Center researchers have discovered a method cells use to turn genes on and off that involves portions of proteins whose function has long been a mystery. The findings, reported in Cell, could lead to new ways of controlling gene regulation and may one day lead to new treatments for a broad array of diseases.

UT Southwestern biochemist, molecular biologist to receive HHMI Emerging Pathogens awards

Two of UT Southwestern’s Howard Hughes Medical Institute researchers in biochemistry and molecular biology will lead separate teams as part of HHMI’s Emerging Pathogens Initiative (EPI) targeting infectious diseases that pose a threat to human health.

Gene editing halts damage in mice after heart attacks in UT Southwestern study

Editing a gene that prompts a cascade of damage after a heart attack appeared to reverse this inevitable course in mice, leaving their hearts remarkably unharmed, a new study by UT Southwestern scientists showed. The findings, published in Science, could lead to a new strategy for protecting patients from the consequences of heart disease.

UTSW Pharmacologist James Collins receives 2023 TAMEST Edith and Peter O’Donnell Award

James Collins III, Ph.D., Associate Professor of Pharmacology at UT Southwestern Medical Center, will receive the 2023 Edith and Peter O’Donnell Award in Biological Sciences from The Academy of Medicine, Engineering and Science of Texas (TAMEST) for broadening understanding of schistosomiasis.

Cooling brain tumor cells could make headway in glioblastoma, UTSW researcher finds

Cooling brain tumor cells to stop them from dividing without killing healthy cells extended the survival of glioblastoma (GBM) animal models dramatically in a study led by a UT Southwestern resident. The findings, published in Science Advances, could lead to new treatments for this aggressive and deadly cancer.

MD Anderson celebrates World Cancer Research Day

The University of Texas MD Anderson Cancer Center again supports World Cancer Research Day, Sept. 24, and its goals to highlight the importance of cancer research, to promote scientific collaboration and to reduce the global burden of cancer through improved prevention, early detection, treatment and survivorship strategies.

Protein Parts Must Indeed Wiggle and Jiggle to Work Right, New Research Suggests

Johns Hopkins Medicine scientists report they have probed the atomic structure of proteins to add to evidence that the wobbles, shakes and quivers of proteins play a critical role in their ability to function. The findings of the research may help scientists design new drugs that can modify or disrupt the intricate “dances” of proteins to alter their functions.

Tufts University Researchers Discover New Function Performed by Nearly Half of Brain Cells

Researchers at Tufts University School of Medicine have discovered a previously unknown function performed by a type of cell that comprises nearly half of all cells in the brain.

The scientists say this discovery in mice of a new function by cells known as astrocytes opens a whole new direction for neuroscience research that might one day lead to treatments for many disorders ranging from epilepsy to Alzheimer’s to traumatic brain injury.

Department of Energy and The Kavli Foundation Announce Communicating the Future: Engaging the Public in Basic Science conference

To advance effective public communication of basic science, the Department of Energy (DOE) Office of Science and The Kavli Foundation’s Science Public Engagement Partnership (SciPEP) will host a virtual conference on why and how scientists and science communicators connect with the broader public around discovery science.

Endocrine Society names new Editors-in-Chief of Endocrine Reviews, Journal of the Endocrine Society

The Endocrine Society appointed two new Editors-in-Chief of its prestigious journals. Ashley Grossman M.D., F.R.C.P., of Barts and the London School of Medicine in London, U.K., has been named the next Editor-in-Chief of Endocrine Reviews, and Zeynep Madak-Erdogan, Ph.D., of the University of Illinois at Urbana-Champaign in Urbana, Ill., has been named as Editor-in-Chief of the Journal of the Endocrine Society (JES).

Journalists: Be our guest at the 2021 Virtual ACSM Research Conference

Gain story ideas and learn about cutting-edge science at ACSM’s comprehensive sports medicine and exercise science conference that covers the science, practice, public health and policy aspects of sports medicine, exercise science and physical activity.

Successful DNA replication in cyanobacteria depends on the circadian clock

A new study from the University of Chicago has found that the photosynthetic bacterium Synechococcus elongatus uses a circadian clock to precisely time DNA replication, and that interrupting this circadian rhythm prevents replication from completing and leaves chromosomes unfinished overnight.