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Chinese Medical Journal article unveils metabolic strategies to enhance CAR-T cell therapy

Researchers unveil innovative strategies to overcome metabolic constraints in CAR-T cell therapy, aiming to boost its efficacy in treating solid tumors. Metabolic interventions targeting immunosuppressive metabolites, metabolite uptake, and mitochondrial metabolism are proposed to enhance anti-tumor activity.

SourceCactus Communications·JournalChinese Medical Journal·TypeSystematic review·DateMar 26, 2024

Drug development advances in beneficial loss-of-function (LOF) mutation targets validated by human genetics

Beneficial LOF mutations have been identified as potential targets for disease prevention, with drugs like PCSK9 inhibitors and ANGPTL3 monoclonal antibodies already approved or in clinical trials. New targets like ASGR1 and KHK are also being explored for lipid-lowering and fructose metabolism therapies.

SourceSichuan International Medical Exchange and Promotion Association·JournalMedComm·TypeSystematic review·DateMar 26, 2024

A new path to drug diversity

A team of scientists discovered new fusion sites in protein evolution that enable faster and more targeted drug development. By combining evolutionary processes with synthetic biology, they created customized biological drugs with improved therapeutic properties.

SourceMax-Planck-Gesellschaft·JournalScience·DateMar 21, 2024

Fast folding for synthetic peptides and microproteins

Researchers at Xi'an Jiaotong-Liverpool University developed a new method that enables the efficient production of cysteine-rich peptides and microproteins in their naturally folded 3D structure. The approach uses organic solvents to mimic nature's oxidative folding process, resulting in speeds of over 100,000 times faster than aqueous...

SourceXi'an Jiaotong-Liverpool University·JournalAngewandte Chemie·TypeExperimental study·DateMar 21, 2024

Adding ribociclib to hormone therapy reduces the risk of breast cancer recurrence

Adding ribociclib to hormone therapy improves invasive disease-free survival by 90.4% at three years, distant disease-free survival by 90.8%, and recurrence-free survival by 91.7%. The study found a 25% relative reduction in recurrence rate for patients with stage 2 or 3 HR-positive, HER2-negative early breast cancer.

SourceUniversity of California - Los Angeles Health Sciences·JournalNew England Journal of Medicine·DateMar 20, 2024

Attacking metastatic prostate cancer early with combination treatment approach improves outcomes in preliminary study

A combination of short-course hormonal therapy and stereotactic body radiation therapy has been shown to be safe and effective in treating metastatic prostate cancer. In a preliminary study, 50% of patients remained recurrence-free six months after treatment, with less than a quarter experiencing severe side effects.

Overeating and starving both damage the liver: Cavefish provide new insight into fatty liver disease

Researchers have identified a gene responsible for the development of starvation-induced fatty liver in cavefish, which are able to protect their liver due to reduced fat accumulation. This genetic basis has implications for understanding and addressing liver conditions in humans, including Type 2 diabetes and obesity.

SourceStowers Institute for Medical Research·JournalLife Science Alliance·TypeExperimental study·DateMar 18, 2024

What makes a pathogen antibiotic-resistant?

A new study published in npj Antimicrobials and Resistance found that pathogenic bacteria E. coli and A. baumannii employ shared and unique mechanisms to acquire resistance to antibiotics ciprofloxacin and GP6. The researchers developed a method to track the acquisition of drug resistance using whole genome sequencing, which revealed t...

SourceSanford Burnham Prebys·Journalnpj Antimicrobials and Resistance·TypeExperimental study·DateMar 7, 2024

How does a diabetes drug lessen symptoms of depression?

Research has shown that dulaglutide, a diabetes drug, can reduce depressive-like behaviors in mice. The study identified four major pathways involved and linked markers of depression to lipid metabolism and tryptophan metabolism. This new perspective may facilitate the use of dulaglutide as a potential therapeutic strategy for depression.

SourceWiley·JournalBrain and Behavior·DateMar 6, 2024

AGA announces 12-point plan to improve the care of all patients with inflammatory bowel disease (IBD)

The American Gastroenterological Association has proposed a 12-point plan to enhance IBD care in the US, focusing on insurer-mandated barriers such as prior authorization and step therapy. The plan aims to improve treatment access and quality for over three million Americans living with IBD.

SourceAmerican Gastroenterological Association·JournalClinical Gastroenterology and Hepatology·TypeSystematic review·DateFeb 28, 2024

Nanoparticles containing natural substance treat visceral leishmaniasis with scant side effects

Researchers at São Paulo State University developed a novel technique using lipid nanoparticles to administer lupeol, killing Leishmania protozoan parasites. The therapy eliminated parasites from organs in animal tests, reducing spleen and liver parasite numbers by 99.9% with minimal side effects.

UCLA-led research results in FDA approval of 4-drug combination for frontline treatment of metastatic pancreatic cancer

A four-drug chemotherapy regimen, NALIRIFOX, has been approved by the FDA for frontline treatment of metastatic pancreatic adenocarcinoma. The regimen, combining irinotecan liposome, oxaliplatin, leucovorin, and fluorouracil, resulted in longer overall survival compared to a two-drug protocol.

Double risk of dementia after mouth ulcer virus

A new study from Uppsala University found that people who have had herpes virus are twice as likely to develop dementia as those who have never been infected. The researchers studied 1,000 70-year-olds over 15 years and confirmed previous research on the potential link between herpes and dementia.

SourceUppsala University·JournalJournal of Alzheimer’s Disease·TypeObservational study·DateFeb 14, 2024

Study reveals mechanism that aggravates tuberculosis and reduces survival rates

Researchers found that an imbalance of CD4+ T cells in the lungs can exacerbate tuberculosis, leading to increased disease severity and reduced survival rates. Removing a specific receptor that recognizes extracellular ATP can improve the response of these T cells and potentially lead to new therapeutic interventions.

How T cells combat tuberculosis

Researchers at La Jolla Institute for Immunology have identified 137 unique T cell epitopes targeted by the immune system in patients with active TB. These findings may lead to the development of new diagnostics and therapies for the disease, which affects over 1.3 million people worldwide.

SourceLa Jolla Institute for Immunology·JournalNature Communications·TypeExperimental study·DateFeb 6, 2024

New approach to the design of therapies that enhance the effect of cholesterol-lowering drugs

Researchers discovered that reducing cholesterol levels in mice with advanced atherosclerosis leads to a decrease in the number of smooth muscle-derived cells causing plaque growth, while preserving stabilizing cell types. This finding opens up new opportunities for targeted therapies.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalNature Cardiovascular Research·TypeExperimental study·DateFeb 1, 2024

Study: UAB researchers establish optimal immunosuppression regimen for pig-to-human kidney transplants

Researchers found combining common immune-suppressing drugs with a complement inhibitor effectively managed the initial human immune response against transplanted pig kidneys. The regimen, which relies solely on already FDA-approved medications, showed remarkable success in Parsons model case series.

SourceUniversity of Alabama at Birmingham·JournalJournal of Clinical Investigation·TypeCase study·DateJan 25, 2024

Spying on a shape-shifting protein

Scientists at the Advanced Science Research Center used X-ray crystallography with elevated temperature and pressure to observe distinct shapes in a protein molecule. The study reveals how proteins change shape to bind metabolites or other proteins, offering insight into disease treatment and development of novel drugs.

SourceAdvanced Science Research Center, GC/CUNY·JournalCommunications Biology·TypeImaging analysis·DateJan 12, 2024

ALS: blocking inflammation to reduce symptoms

Research suggests that structural changes in upper motor neurons send a signal to immune cells, leading to toxic effects on neurons and reduced synaptic connections. Blocking inflammation with a semi-synthetic drug can restore synaptic connections and improve ALS symptoms.

SourceUniversité Laval·JournalActa Neuropathologica Communications·DateJan 10, 2024