https://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Scientists have discovered a method to induce human endothelial cells from a small biopsy sample to multiply in the laboratory, producing more than enough cells to replace damaged blood vessels or nourish organs for transplantation, according to a preclinical study by Weill Cornell Medicine investigators. https://medicalxpress.com/news/2025-10-galvanizing-blood-vessel-cells-transplantation.html Tue, 14 Oct 2025 15:59:04 EDT news679676341 A new ICES study has found that 1.74 million patients in Ontario are attached to family physicians aged 65 or older, and that many of those patients are elderly and have complex medical needs. https://medicalxpress.com/news/2025-06-family-doctors-nearing-age-future.html Tue, 17 Jun 2025 14:38:03 EDT news669389881 A single molecular switch is essential for blood stem cells to enter an activated, regenerative state in which they produce new blood cells, according to a preclinical study led by Weill Cornell Medicine investigators. The discovery could lead to more effective bone marrow transplants and gene therapies. https://medicalxpress.com/news/2025-03-flipping-dna-blood-stem-cells.html Mon, 10 Mar 2025 16:03:43 EDT news660841419 A study published in the journal Decision Analysis unveils a powerful new tool to tackle the opioid crisis, offering a pathway to slash costs by nearly 30% while saving lives. https://medicalxpress.com/news/2025-02-tool-slashes-opioid-crisis.html Thu, 20 Feb 2025 15:30:03 EST news659287801 The distinct population of endothelial cells that line blood vessels in the insulin-producing "islets" of the human pancreas have been notoriously difficult to study, but Weill Cornell Medicine investigators have now succeeded in comprehensively detailing the unique characteristics of these cells. https://medicalxpress.com/news/2025-02-pancreatic-blood-vessel-cell-reveals.html Tue, 11 Feb 2025 12:32:39 EST news658499550 Treatment with endovascular thrombectomy did not significantly improve outcomes after 90 days in patients with a large core stroke, as compared to patients who received standard stroke care alone, according to a recent clinical trial published in JAMA. https://medicalxpress.com/news/2024-10-clinical-trial-thrombectomy-outcomes-patients.html Thu, 31 Oct 2024 13:21:03 EDT news649599661 The underdiagnosis of dementia, especially among Black and Hispanic patients, is a long-standing challenge in medicine. A new study, published in Nature Medicine, finds that an easy five-minute assessment, paired with recommendations built into the electronic medical record system, led to a three-fold improvement in diagnosis and treatment for patients in a primary care setting compared to a control group. https://medicalxpress.com/news/2024-06-minute-people-dementia-primary.html Tue, 04 Jun 2024 05:00:01 EDT news636646082 There is no doubt that primary care in the UK—the services that provide the first point of contact in the health care system, such as general practice—isn't working. https://medicalxpress.com/news/2024-03-viewpoint-general-crisis-uk-people.html Thu, 07 Mar 2024 12:33:04 EST news629037181 Two simple solutions could help prevent severe bleeding (postpartum hemorrhage) after cesarean delivery, suggests research presented at the ANESTHESIOLOGY 2023 annual meeting. As the leading cause of maternal mortality in the U.S. at the time of birth, postpartum hemorrhage is more common after cesarean deliveries than vaginal births. https://medicalxpress.com/news/2023-10-easy-cesarean-delivery.html Sat, 14 Oct 2023 16:20:01 EDT news616405899 Dr. Ryaz Ansari, a West Hartford, Connecticut, oral surgeon, knows how important it is to have teeth that are aligned and pain-free. https://medicalxpress.com/news/2022-12-oral-surgeon-drilling-implants-robotic.html Fri, 09 Dec 2022 12:20:01 EST news589808325 Research led by Pamela-Itkin-Ansari, Ph.D., and Randal Kaufman Ph.D., has mapped out a network of biochemical interactions that help special cells in the pancreas called islet cells create insulin, shedding light on the origins of diabetes and revealing new targets for future treatments. The study, recently published in the Journal of Clinical Endocrinology & Metabolism, found that inflammation disrupts these interactions, triggering a snowball effect of cellular stress that damages pancreatic islets and makes it harder for the body to produce insulin. https://medicalxpress.com/news/2022-10-circuitry-diabetes.html Thu, 27 Oct 2022 11:10:06 EDT news586087801 Researchers at Weill Cornell Medicine have identified a key protein that induces the program to build specialized liver blood vessels. The discovery could lead to engineered replacement hepatic tissue to treat common liver diseases. https://medicalxpress.com/news/2022-03-specialized-liver-blood-vessel-identity.html Thu, 31 Mar 2022 12:24:15 EDT news567948250 As syphilis cases continue to rise across the United States, a new analysis from researchers at the Coalition for Applied Modeling for Prevention (CAMP) offers further insight into racial and ethnic disparities in syphilis rates among heterosexually active women, featuring a new approach to analyzing disease impact. https://medicalxpress.com/news/2022-03-racial-disparities-women-syphilis.html Fri, 25 Mar 2022 13:25:38 EDT news567433529 Researchers at Indiana University School of Medicine, in collaboration with the University of Alabama at Birmingham and five other institutions, are investigating novel regenerative medicine approaches to better manage vascular health complications from type 2 diabetes that could someday support blood vessel repair in the eye among diabetic patients with early retinal vascular dysfunction. These research strategies include identifying and using new methods to differentiate or mature human induced pluripotent stem cells (hiPSCs) into the specific mesoderm subset of cells that display vascular reparative properties. https://medicalxpress.com/news/2022-03-human-pluripotent-stem-cells-visual.html Thu, 10 Mar 2022 15:31:49 EST news566148704 COVID-19 infections in Ontario are disproportionately concentrated in areas with lower-income and racialized groups. A new study shows the devastating impact that inequity poses for schools, students and families in those communities. https://medicalxpress.com/news/2022-02-school-triggers-inequitable-impact-covid-.html Thu, 10 Feb 2022 07:51:15 EST news563701872 Kathryn Malara, a Brooklyn teacher, lingered on a street Tuesday, filled with dread about going to her job. https://medicalxpress.com/news/2021-12-parents-schools-reckoning-covid-cases.html Wed, 22 Dec 2021 04:10:58 EST news559368654 A cellular protein whose normal function appears to suppress bone formation may be a potential new target for treating osteoporosis, according to a collaborative study led by Weill Cornell Medicine and NewYork-Presbyterian investigators. https://medicalxpress.com/news/2021-09-serendipity-path-osteoporosis-treatment.html Fri, 03 Sep 2021 12:39:22 EDT news549891550 Researchers at Weill Cornell Medicine and NewYork-Presbyterian in New York have discovered that injecting mice with pulmonary endothelial cells—the cells that line the walls of blood vessels in the lung—can reverse the symptoms of emphysema. The study, which will be published July 21 in the Journal of Experimental Medicine (JEM), may lead to new treatments for chronic obstructive pulmonary disease (COPD), an inflammatory lung disease associated with smoking that is thought to be the third leading cause of death worldwide. https://medicalxpress.com/news/2021-07-reverse-emphysema-mice-blood-vessel.html Wed, 21 Jul 2021 10:41:03 EDT news546082860 According to a study being presented at the 23rd European Congress of Endocrinology (e-ECE 2021) on Sunday 23 May, women working night shifts may be at a greater risk of menstrual irregularity and developing endometriosis. The research found a reduction in the expression of PER-2, CRY-1 and CLOCK genes along with an increase in REV-ERBb in ectopic compared to eutopic tissues. Prior to this research, there had been no previously published studies relating to the alterations in core clock-genes and the impact on women with endometriosis. https://medicalxpress.com/news/2021-05-night-shift-linked-menstrual-irregularity.html Mon, 24 May 2021 07:17:12 EDT news541059430 Scientists have found a way to lower stroke risk in sickle cell patients that opens a gateway of potential treatments for inflammation and clotting stemming from conditions such as COVID-19. For the first time, they investigated the use of immune cell proteins as an anti-inflammatory treatment to reduce blood clotting in people with sickle cell disease. https://medicalxpress.com/news/2021-01-sickle-cell-covid.html Thu, 28 Jan 2021 19:00:01 EST news530956202 A team led by Weill Cornell Medicine scientists has pioneered a method for manufacturing functioning human blood vessels and demonstrated that they can carry blood in lab-grown model organs and tumors. The discovery will enable disease modeling, and may facilitate the future production of human transplantable organs and identification of new precision drugs to treat cancer. https://medicalxpress.com/news/2020-09-scientists-customized-blood-vessels-regeneration.html Thu, 10 Sep 2020 08:40:02 EDT news518945832 Two new studies indicate that racial disparities related to outcomes exist among stroke patients, including one study that specifically examines stroke patients with COVID-19. The abstracts were presented today at the Society of NeuroInterventional Surgery's (SNIS) 17th Annual Meeting. https://medicalxpress.com/news/2020-08-highlight-racial-disparities-patients-covid-.html Thu, 06 Aug 2020 14:38:18 EDT news515943492 Scientists at Sanford Burnham Prebys Medical Discovery Institute have mapped for the first time the vast network of proteins that interact with proinsulin, the protein the body normally processes into insulin. The study, published in Diabetes, also revealed one protein—called PRDX4—that may be essential for proinsulin folding and insulin production. The research suggests that boosting PRDX4 levels may be a novel therapeutic approach to improving the health of people with diabetes. https://medicalxpress.com/news/2020-05-proinsulin-social-network-reveals-drug.html Wed, 27 May 2020 12:36:35 EDT news509801792 More than three billion people are living under lockdown measures as soaring death tolls in Europe and the US on Wednesday underlined a United Nations warning that the coronavirus pandemic threatens all of humanity. https://medicalxpress.com/news/2020-03-billion-lockdown-virus-threatens-humanity.html Wed, 25 Mar 2020 17:40:01 EDT news504376575 Spain joined Italy on Wednesday in seeing its death toll from the coronavirus epidemic surpass that of China, as more than a billion Indians joined a lockdown that has confined a third of humanity. https://medicalxpress.com/news/2020-03-spain-deaths-surpass-china-planet.html Wed, 25 Mar 2020 11:40:44 EDT news504355238 India's billion-plus population went into a three-week lockdown on Wednesday, with a third of the world now under orders to stay indoors, as US politicians agreed to spend $2 trillion to counter the economic damage of the coronavirus pandemic. https://medicalxpress.com/news/2020-03-humanity-virus-lockdown.html Wed, 25 Mar 2020 04:20:01 EDT news504328214 Scientists from the German Cancer Research Center and the Hebrew University in Jerusalem demonstrated in mice that intestinal bacteria reprogram DNA activity in cells of the gut mucosa and thus have a considerable impact on the development of the healthy gut. Acute intestinal inflammation induced under experimental conditions led to a huge increase in the activity of inflammation-related and cancer-promoting genes in the mucous membrane cells of microbe-colonized animals. https://medicalxpress.com/news/2020-03-intestinal-microbes-reprogram-genetic-gut.html Thu, 05 Mar 2020 13:01:35 EST news502635693 Bent over her hand-crank sewing machine, Hajra Bibi stitches sanitary pads for the women of her mountainous village in northwestern Pakistan, one of many rural areas in the deeply conservative country where periods are still taboo. https://medicalxpress.com/news/2019-09-myths-menstruation-pakistan-period-taboo.html Sun, 15 Sep 2019 06:00:02 EDT news487745416 Lefties and righties may put pen to paper from different sides of the page, but when it comes to numbers, everything adds up using the same point in the brain, according to a recent Western study. The findings offer one more clue in toward helping kids who struggle with numerical and math skills. https://medicalxpress.com/news/2019-08-lefty-righty-brains-area.html Wed, 28 Aug 2019 08:25:27 EDT news486199515 Facial reconstructive surgeons could soon have a safer, more accessible form of cartilage for nasal reconstructions, meaning fewer surgeries and less pain for patients, thanks to tissue engineering research at the University of Alberta. https://medicalxpress.com/news/2018-03-medical-team-cartilage-nose-reconstructions.html Wed, 07 Mar 2018 10:19:35 EST news439640350