by Public Library of Science Black White Mosquito. Aedes aegypti, the main transmitter of Dengue in Mexico. Credit: Pixabay, Pexels (CC0, creativecommons.org/publicdomain/zero/1.0/) Dengue, Chikungunya, and Zika viruses have all been recorded in Mexico; however, recent diagnostic advances have improved the accuracy of serological testing. A study publishing December 2nd in PLOS Neglected Tropical Diseases by José Esteban Muñoz-Medina...
by University of Geneva Sections of mouse intestine. Up, a normal gut circumference (in black) and villi (pink convolutions). Bottom, expanded gut after overeating-induced obesity with a bigger circumference and longer villi. Credit: UNIGE / Mirko Trajkovski With more than 10% of the world’s population obese and 40% overweight, obesity constitutes one of the most...
KAROLINSKA INSTITUTET IMAGE: YUME IMAHORI, POSTDOC RESEARCHER AT THE DEPARTMENT OF NEUROBIOLOGY, CARE SCIENCES AND SOCIETY, KAROLINSKA INSTITUTET. CREDIT: STEFAN ZIMMERMAN Having an elevated resting heart rate in old age may be an independent risk factor of dementia, according to a study at Karolinska Institutet in Sweden published in the journal Alzheimer’s & Dementia: The Journal...
Men who inherit mutations in a gene called TP53 have a high risk of developing aggressive prostate cancer, a multicenter research team in the United States has found. The findings were reported in the journal European Urology. Researchers from more than a dozen institutions across the United States collaborated on the study. Dr. Kara N. Maxwell, assistant professor...
Ewen Callaway & Heidi Ledford South Africa is dealing with a large uptick in COVID cases, driven by a new, heavily mutated variant called Omicron. Credit: Guillem Sartorio/AFP/Getty Barely a week has elapsed since scientists in Botswana and South Africa alerted the world to a fast-spreading new SARS-CoV-2 variant now known as Omicron. Researchers worldwide are racing to...
Smriti Mallapaty Passengers in a largely empty terminal wait for a flight in Cape Town, South Africa.Credit: David Silverman/Getty More than 50 countries have stepped up border controls to slow the spread of Omicron, a highly mutated SARS-CoV-2 variant of concern that is sweeping through South Africa. But researchers say many of the restrictions — especially those...
by University of Pittsburgh Tertiary lymphoid structures, which contain Helper T cells, B cells, and natural killer cells, create a favorable environment for immune cell maturation and indicate cancer treatments are more likely to be successful. Credit: Abigail Overacre-Delgoffe A bacterium common in the mouse gut microbiome can charge up the immune system to fight...
by Cell Press High-resolution model of six insulin molecules assembled in a hexamer. Credit: Isaac Yonemoto/Wikipedia Interim results from a multicenter clinical trial demonstrate insulin secretion from engrafted cells in patients with type 1 diabetes. The safety, tolerability, and efficacy of the implants, which consisted of pancreatic endoderm cells derived from human pluripotent stem cells...
by National University of Ireland, Galway Dr. Michelle Canavan, Consultant Stroke Physician at Galway University Hospitals and Professor Andrew Smyth, Professor of Clinical Epidemiology at NUI Galway, Director of the HRB-Clinical Research Facility Galway, and a Consultant Nephrologist at Galway University Hospitals at the HRB- Clinical Research Facility Galway. Credit: Aengus McMahon A global study...
by Cara Murez (HealthDay)—A diagnosis of mild cognitive impairment (MCI) might worry an older adult, who could see it as a stepping stone to dementia. But a new study suggests one does not necessarily lead to the other. In fact, nearly half of seniors tracked in the study—all of who had been diagnosed with issues...
