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What is metformin’s secret sauce?

A new Northwestern Medicine study reveals how metformin lowers glucose levels by targeting mitochondrial complex I in cells. The drug also improves COVID outcomes and reduces inflammation, suggesting that mitochondrial complex I inhibition may be a unifying mechanism behind its diverse effects.

SourceNorthwestern University·JournalScience Advances·DateDec 18, 2024

A simple plasma-based biomarker could predict liver fibrosis in Latino adolescents with obesity

Researchers discovered a novel combination of plasma-based biomarkers that can predict liver fibrosis in Latino adolescents with obesity. The study found that dihydroxyacetone phosphate (DHAP) and alanine transaminase (ALT) were significantly associated with fibrosis, suggesting a potential low-cost, noninvasive screening tool.

SourceChildren's Hospital Los Angeles·JournalJournal of Pediatric Gastroenterology and Nutrition·TypeExperimental study·DateDec 16, 2024

Study reveals lasting effects of common herbicide on brain health

A new study reveals that glyphosate exposure in mice can cause lasting brain inflammation and accelerate Alzheimer's disease-like pathology, even after a significant pause from exposure. The herbicide's byproducts have been found to accumulate in brain tissue, raising serious concerns about its safety for human populations.

SourceArizona State University·JournalJournal of Neuroinflammation·TypeExperimental study·DateDec 4, 2024

Infertility linked to onset of systemic autoimmune rheumatic disease after childbirth

Women with infertility are at higher risk of developing SARD, including lupus and Sjögren's syndrome, even after accounting for pre-eclampsia and other pregnancy complications. Infertility treatments do not appear to increase this risk, suggesting that women may be undiagnosed or untreated.

SourceEuropean Society of Human Reproduction and Embryology·JournalHuman Reproduction·TypeObservational study·DateDec 4, 2024

Fine particulate air pollution may play a role in adverse birth outcomes

A new study finds that fine particulate air pollution (PM2.5) exposure is associated with altered immune responses and increased inflammation in pregnant women, leading to adverse birth outcomes. The study highlights the importance of minimizing air pollution exposure in pregnant women to protect maternal and fetal health.

SourceHarvard T.H. Chan School of Public Health·JournalScience Advances·TypeExperimental study·DateNov 29, 2024

New study shows how salmonella tricks gut defenses to cause infection

A new UC Davis Health study has uncovered the mechanisms by which Salmonella bacteria evade the body's natural defenses in the gut. The research found that Salmonella alters the gut's nutrient environment to fuel its replication in the large intestine, creating an imbalance that helps the pathogen survive. This new understanding could ...

SourceUniversity of California - Davis Health·JournalProceedings of the National Academy of Sciences·DateNov 15, 2024

A new technology to isolate immunostimulatory members of the human gut microbiota: next-generation IgA-seq

Scientists at UMC Utrecht developed a new technology to isolate and study gut bacteria recognized by IgA antibodies, which are associated with various diseases. The next-generation IgA-SEQ method allows for high-throughput identification and analysis of these immunostimulatory bacteria, shedding light on their role in health and disease.

SourceUniversity Medical Center Utrecht·JournalMicrobiome·TypeExperimental study·DateNov 14, 2024

Studies point to correlation between preeclampsia and COVID-19 in pregnant women

Research highlights correlation between preeclampsia and COVID-19 in pregnant women, identifying biomarkers for differential diagnosis. The review article emphasizes the pathophysiological similarities between the two conditions, including shared pathways involving the renin-angiotensin system and ACE2.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalAmerican Journal Of Reproductive Immunology·TypeLiterature review·DateNov 7, 2024

Nasal swab tests predict COVID-19 disease severity, Emory study finds

Researchers developed a new diagnostic tool called FlowBEAT to measure antibodies in nasal cavities, finding that more than 70% of people with mild or moderate COVID-19 develop protective autoantibodies in the nose. These autoantibodies may play a role in regulating the immune system and preventing excessive inflammation.

SourceEmory Health Sciences·JournalScience Translational Medicine·TypeExperimental study·DateNov 6, 2024

Study suggests a healthy diet may help keep low grade prostate cancer from progressing to more dangerous states during active surveillance

A new study suggests that a healthy diet may help keep low-grade prostate cancer from progressing to more aggressive states in men undergoing active surveillance. The research team led by Johns Hopkins Medicine found that a reduced risk of prostate cancer progression is associated with a healthy diet.

SourceJohns Hopkins Medicine·JournalJAMA Oncology·DateOct 17, 2024

Microplastics detected in dolphin breath

Researchers detected microplastic particles in the breath of wild bottlenose dolphins, suggesting inhalation may be a key route of exposure. The study supports the idea that dolphins could be exposed to potentially harmful microplastics through this pathway.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateOct 16, 2024

The beneficial effects of fermented black garlic extract on prostate cancer are evaluated

Researchers found that fermented black garlic extract reduced tumor aggressiveness parameters, including cell proliferation, without affecting normal prostate cells. The extract altered key signaling pathways related to inflammation, suggesting its potential as a dietary supplement to prevent or slow down prostate cancer progression.

SourceUniversity of Córdoba·JournalNutrients·TypeExperimental study·DateOct 15, 2024

New drug approach could underpin future weight loss therapies, study indicates

A new study suggests that a hydrogen sulfide-generating molecule targeting mitochondria can significantly slow weight gain and reduce liver fat accumulation in mice. The treatment, AP39, inhibits key metabolic pathways associated with obesity and inflammation, offering a promising new option for treating metabolic diseases.

SourceUniversity of Exeter·JournalPharmacological Research·TypeExperimental study·DateOct 10, 2024

Caffeine is a heart-healthy habit

Researchers found that patients who consumed caffeine had better vascular health, as measured through endothelial cells. The study suggests that caffeine may play a role in controlling disease progression and improving cardiovascular health.

SourceOxford University Press USA·JournalRheumatology·TypeObservational study·DateOct 9, 2024

Study finds common breast cancer treatments may speed aging process

A new study found that common breast cancer treatments, including chemotherapy, radiation, and surgery, can increase expression of aging markers in breast cancer survivors. The study suggests that these treatments can have a more extensive impact on the body than previously thought, leading to accelerated biological aging.

SourceUniversity of California - Los Angeles Health Sciences·JournalJNCI Journal of the National Cancer Institute·DateOct 7, 2024

Fluorescent molecules to illuminate life: simplified synthesis with formaldehyde

A research team has developed a simplified synthesis method for organic fluorophores using formaldehyde, reducing molecular size and increasing atomic efficiency. The new technique can also be applied to in vivo environments, showing promise for life sciences research and diagnostics applications.

SourcePohang University of Science & Technology (POSTECH)·JournalAngewandte Chemie International Edition·DateSep 30, 2024

Immunotherapy for gum disease? Study in mice shows promise

A new study published in PNAS suggests that delivering microparticles containing CCL2 directly to the gums can inhibit bone loss and speed up bone repair in a mouse model of periodontal disease. The therapy modulates the immune response, shifting macrophages from inflammatory M1 type to anti-inflammatory M2 type.

SourceUniversity of Pittsburgh·JournalProceedings of the National Academy of Sciences·DateSep 30, 2024

Study finds more than 80% of women iron deficient by third trimester

A recent study published in The American Journal of Clinical Nutrition found that over 80% of women are iron deficient by the third trimester of pregnancy. Despite being considered a high-resource setting, the study revealed alarming rates of iron deficiency among healthy pregnant women. This finding emphasizes the importance of routin...

SourceAmerican Society for Nutrition·JournalAmerican Journal of Clinical Nutrition·TypeObservational study·DateSep 26, 2024

Central mechanism of inflammation decoded

Bonn researchers use nanobodies to elucidate pore formation by gasdermin D in cell membranes, identifying key steps and potential therapeutic applications for inflammatory diseases. The study reveals that nanobodies inhibit pore formation and prevent cell death, offering a new approach to treating sepsis and autoinflammatory diseases.

SourceUniversitatsklinikum Bonn·JournalNature Communications·DateSep 26, 2024

Childhood trauma linked to major biological and health risks

A new study found that childhood trauma can have specific consequences for biological health and risk of developing 20 major diseases later in life. The study's findings differ by sex and type of stressor, highlighting the need for a precision medicine approach based on patients' sex and specific stress profile.

SourceUniversity of California - Los Angeles Health Sciences·JournalBrain Behavior and Immunity·TypeData/statistical analysis·DateSep 17, 2024

Diagnostic tool identifies puzzling inflammatory diseases in kids

A Cornell University-led collaboration has developed a machine learning model that uses cell-free molecular RNA dregs to diagnose pediatric inflammatory conditions, including Kawasaki disease and Multisystem Inflammatory Syndrome in Children. The diagnostic tool accurately determines the patient's condition while monitoring organ health.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateSep 9, 2024

Altered blood markers detected in individuals with periodontitis

Researchers at Umeå University have identified unique inflammatory protein profiles in the blood of individuals with severe periodontitis, which is associated with lower levels of EGF and OLR-1 proteins. The study provides a promising lead for developing biomarkers and treatments for the disease.

SourceUmea University·JournalJournal of Dental Research·TypeObservational study·DateSep 6, 2024

Fungal infection: A protein weakens the immune system

A study by researchers from Brazil and Germany found that a surface protein on Aspergillus fumigatus spores suppresses the release of pro-inflammatory substances by immune cells, making it easier for the fungus to infect the body. The enzyme glycosylasparaginase plays a crucial role in this process.

A potential pathway may guide new therapies for inflammatory bowel disease and other inflammatory diseases

Researchers discovered a unique probiotic strain, Bifidobacterium bifidum BB1, that strengthens intestinal barrier function and protects against harmful bacteria. This strain may lead to the development of novel therapies for patients with inflammatory bowel disease and other inflammatory conditions.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateAug 22, 2024