Feature Channels: Alzheimer's and Dementia

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Newswise: Tiny brain bubbles carry complete codes
Released: 9-Apr-2024 11:05 AM EDT
Tiny brain bubbles carry complete codes
Sanford Burnham Prebys

In findings published in Cell Reports, senior author Jerold Chun, M.D., Ph.D., and team also discovered that the biological instructions within these vesicles differed significantly in postmortem brain samples donated from patients suffering from Alzheimer’s disease.

Newswise: Unraveling the mystery of misfolded proteins in the brain
Released: 9-Apr-2024 11:05 AM EDT
Unraveling the mystery of misfolded proteins in the brain
UT Southwestern Medical Center

Proteins known as oligomeric chaperones help suppress the formation of misshaped proteins that cause a variety of degenerative and neurodegenerative diseases, such as Alzheimer’s, Huntington’s, and Parkinson’s. In a new study, UT Southwestern Medical Center researchers identified a key feature necessary for one of these oligomeric chaperones, known as DNAJB8, to assemble from disparate parts and showed that the parts alone can reshape misfolded proteins. The findings, published in Structure, could lead to better ways to diagnose and treat these conditions.

Newswise: Penn Medicine at American Academy of Neurology Annual Meeting 2024
Released: 9-Apr-2024 10:05 AM EDT
Penn Medicine at American Academy of Neurology Annual Meeting 2024
Perelman School of Medicine at the University of Pennsylvania

Researchers from the Perelman School of Medicine at the University of Pennsylvania will present data on the latest research across the full spectrum of Neurology – including a link between head injury and suicide, potential traumatic brain injury biomarkers, a promising new drug to treat multiple sclerosis – at the American Academy of Neurology (AAN) Annual Meeting from April 13-18 in Denver, Colorado. Follow us on Twitter @PennMedicine and @PennMDForum for updates.

Newswise: Key to Unlocking the Secret of Degenerative Brain Disorders Found
Released: 8-Apr-2024 12:00 AM EDT
Key to Unlocking the Secret of Degenerative Brain Disorders Found
National Research Council of Science and Technology

A research team led by Dr. Kim Yun Kyung from the Brain Science Institute at the Korea Institute of Science and Technology (KIST), in collaboration with Professor Chang Young-Tae's team from Pohang University of Science and Technology, has announced the development of a next-generation neuron labeling technology called NeuM.

   
Newswise: Study Reveals How Obesity Could Accelerate Aging in the Brain
1-Apr-2024 9:00 AM EDT
Study Reveals How Obesity Could Accelerate Aging in the Brain
American Physiological Society (APS)

A new study conducted in mice traces how obesity and a high-fat diet may accelerate aging in the blood vessels that supply blood to the brain. The work is being presented this week at the American Physiology Summit, the flagship annual meeting of the American Physiological Society.

28-Mar-2024 1:05 PM EDT
Earlier Menopause Plus High Cardiovascular Risk May Lead to Cognitive Problems Later
American Academy of Neurology (AAN)

Earlier menopause combined with higher risk of cardiovascular disease is linked to an increased risk of thinking and memory problems later, according to a new study published in the April 3, 2024, online issue of Neurology®, the medical journal of the American Academy of Neurology. In this study, earlier menopause is defined as occurring before age 49.

3-Apr-2024 9:05 AM EDT
Immunotherapy for Alzheimer’s disease shows promise in mouse study
Washington University in St. Louis

Scientists at Washington University School of Medicine in St. Louis have shown that treating mice with an antibody that blocks the interaction between APOE proteins (white) sprinkled within Alzheimer’s disease plaques and the LILRB4 receptor on microglia cells (purple) activates them to clean up damaging plaques (blue) in the brain.

   
Newswise: High-resolution images reveal similarities in protein structures between Alzheimer’s disease and Down syndrome
Released: 29-Mar-2024 12:05 PM EDT
High-resolution images reveal similarities in protein structures between Alzheimer’s disease and Down syndrome
Indiana University

A new study recently published in Nature Structural and Molecular Biology uses leading-edge cryo-electron microscopy imaging technology to determine whether differences exist between the protein structures in those with Alzheimer’s disease and those with both Alzheimer’s disease and Down syndrome.

Newswise: Gene Therapy Offers Hope for Giant Axonal Neuropathy Patients
Released: 27-Mar-2024 12:05 PM EDT
Gene Therapy Offers Hope for Giant Axonal Neuropathy Patients
UT Southwestern Medical Center

A gene therapy developed by researchers at UT Southwestern Medical Center for a rare disease called giant axonal neuropathy (GAN) was well tolerated in pediatric patients and showed clear benefits, a new study reports. Findings from the phase one clinical trial, published in the New England Journal of Medicine, could offer hope for patients with this rare condition and a host of other neurological diseases.

Newswise: Making Long-Term Memories Requires Nerve-Cell Damage
26-Mar-2024 8:05 AM EDT
Making Long-Term Memories Requires Nerve-Cell Damage
Albert Einstein College of Medicine

Just as you can’t make an omelet without breaking eggs, scientists at Albert Einstein College of Medicine have found that you can’t make long-term memories without DNA damage and brain inflammation. Their surprising findings were published online today in the journal Nature.

18-Mar-2024 9:00 AM EDT
Study links long-term consumption of reused deep-fried oil with increased neurodegeneration
American Society for Biochemistry and Molecular Biology (ASBMB)

A new study found higher levels of neurodegeneration in rats that consumed reused deep fried cooking oils and their offspring compared to rats on a normal diet.

Released: 25-Mar-2024 4:05 PM EDT
Human brains are getting larger. That may be good news for dementia risk
UC Davis Health

A new study published in JAMA Neurology found human brains are getting bigger. The increased size may lead to a brain reserve, potentially reducing the risk of dementia.

18-Mar-2024 9:00 AM EDT
How might diabetes lead to Alzheimer’s? Study suggests the liver is key
American Society for Biochemistry and Molecular Biology (ASBMB)

New research conducted in mice offers insights into what’s going on at the molecular level that could cause people with diabetes to develop Alzheimer’s disease.

Newswise: Immune Cells Identified as Key Players in Brain Health
Released: 21-Mar-2024 9:00 AM EDT
Immune Cells Identified as Key Players in Brain Health
Mount Sinai Health System

Using novel genetic and genomic tools, researchers at the Icahn School of Medicine at Mount Sinai have shed light on the role of immune cells called macrophages in lipid-rich tissues like the brain, advancing our understanding of Alzheimer’s and other diseases.

Newswise: New research at Case Western Reserve University aims to address racial disparities in cognitive decline
20-Mar-2024 12:05 PM EDT
New research at Case Western Reserve University aims to address racial disparities in cognitive decline
Case Western Reserve University

According to new research at Case Western Reserve University, connecting with friends is key to limiting social isolation—something researchers believe could also reduce Alzheimer’s, dementia

Newswise: Unlocking Alzheimer's Mysteries: A Revolutionary Leap in Brain Network Analysis
Released: 19-Mar-2024 7:05 AM EDT
Unlocking Alzheimer's Mysteries: A Revolutionary Leap in Brain Network Analysis
Chinese Academy of Sciences

Dementia stands as one of the most significant global health challenges of the 21st century, with over 50 million individuals worldwide currently affected, a number projected to triple by 2050, reaching 152 million, due to global population aging.

Released: 19-Mar-2024 3:05 AM EDT
Nanoparticles activated by ultra-low-energy X-rays effectively halt the aggregation and toxicity of amyloid beta in preclinical models
Bar-Ilan University

A collaborative effort between Israeli and Italian researchers has led to the development of a new treatment strategy targeting the early-stage aggregation of A-beta before the formation of toxic oligomers.

Released: 15-Mar-2024 10:05 AM EDT
Study shows that aging adults with mild cognitive impairment may have trouble learning new walking patterns
University of Delaware

University of Delaware researchers are studying how the brain controls movement and how motor skills are learned in health and disease.



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