Articles tagged with Kidney
A new study published in Nature Communications reveals that energy imbalances in podocytes contribute to kidney damage and proteinuria after ischemia-reperfusion injury. The researchers found that interventions targeting mitochondrial dynamics held promise in alleviating foot process effacement and improving podocyte outcomes.
The Increasing Organ Transplant Access (IOTA) Model aims to improve access to life-saving kidney transplants for patients with end-stage kidney disease while maintaining or improving the quality of care. The new rule will test performance-based upside or downside risk payments among selected kidney transplant hospitals.
Researchers have identified a simpler and more accessible alternative to diagnosing kidney fibrosis in transplant patients: measuring vitronectin levels in urine. The study found that vitronectin levels were significantly higher in patients with fibrosis, and combining this measurement with traditional urine tests improved accuracy.
A systematic review of 18 randomized controlled trials found that drinking enough water can help with weight loss and prevent kidney stones. Drinking eight cups a day significantly decreased the likelihood of getting another kidney stone, while six cups a day helped adults lose weight.
Long-term use of renin-angiotensin system inhibitors can destroy the kidney's filtering ability, causing scarring and other changes that lead to vascular disease. The discovery offers a new understanding of the effects on the kidney and sets the stage for identifying ways to protect it.
A study reveals disproportionate burden of cardiovascular-kidney-metabolic syndrome among certain populations, emphasizing the need for targeted interventions. The research highlights the importance of addressing socioeconomic disparities in cardiovascular health.
Patients with transthyretin amyloid cardiomyopathy experience frequent decline in kidney function, associated with higher mortality risk. eGFR decline is an independent marker of disease progression guiding treatment optimization.
Acute interstitial nephritis (AIN) is a common cause of acute kidney injury, often linked to medication use. Johns Hopkins researchers developed an electronic diagnostic model using machine learning to predict AIN in patients, showing improved accuracy in diagnosis and potential benefits for treatment decisions.
Metformin, a widely prescribed diabetes drug, may increase risks of obesity and diabetes in newborns when given to pregnant women. The study found that the drug accumulated in the fetal kidneys, liver, and other organs, leading to growth restriction, which has been linked to an elevated risk of obesity and insulin resistance in childhood.
The new biosensor detects symmetric dimethylarginine in urine, providing a more accurate indicator of kidney health than creatinine. It can identify mild kidney impairment and offers a reliable alternative to blood tests, enabling timely interventions and potential long-term outcomes.
Researchers found that female sex hormones may increase susceptibility to kidney injury during puberty, contradicting the protective effects seen in adulthood. The study suggests that developmental changes driven by the hormonal surge in puberty may override the benefits of female sex hormones later in life.
Researchers from the University of Zurich have discovered a link between hepatitis E and kidney damage, finding that viral envelope-antibody complexes can accumulate in kidney filters and cause glomerulonephritis. The study uses tissue samples from patients to understand the disease mechanism.
Researchers found a specialized low-salt, fasting-mimicking diet (LS-FMD) slows deterioration of kidney structures and function in rodents with chronic kidney disease. In humans, the diet reduced proteinuria and improved endothelial function in patients with chronic kidney disease.
Researchers found that SGLT-2 inhibitors may simultaneously tackle kidney stones and gout flare-ups in patients with type 2 diabetes. The study suggests these medications can increase urinary volume and lower uric acid levels, reducing the concentration of stone-forming crystals.
Researchers identified new signs of kidney transplant rejection, including microvascular inflammation, which predict increased risk of transplant failure. The study found that patients with these conditions are at higher risk of developing severe rejection or chronic kidney damage over time.
A study found that nearly one-third of individuals from Ghana and Nigeria carry APOL1 variants that significantly increase the risk of chronic kidney disease. The researchers also discovered that having a single copy of the APOL1 gene increases the risk by 18%, while two copies increase it by 25%.
A Phase 3 trial of clazakizumab, a monoclonal antibody targeting interleukin-6, failed to demonstrate efficacy in treating chronic active antibody-mediated kidney transplant rejection. The study, which recruited 350 patients, showed no significant improvement in kidney function at week 52.
New phase 3 clinical trials show potential for improving kidney health outcomes with targeted therapies, such as pegcetacoplan and semaglutide. These studies have the potential to revolutionize kidney care and treatment.
A phase 2 clinical trial found imlifidase to be more effective than plasmapheresis in reducing donor-specific antibodies by 97% compared to 42%. The investigational drug achieved maximum DSA depletion in 15 hours, outperforming the standard treatment.
Researchers have developed a novel gene therapy called PS-002, which targets podocytes and blocks complement activation to treat IgA nephropathy. In mouse models, treatment with PS-002 reduced signs of kidney dysfunction and lowered complement deposition, while in pigs, it resulted in elevated gene expression without safety issues.
Chronic kidney disease (CKD) prevalence and mortality rates have increased significantly among women worldwide, with a 2.10% annual percentage change in prevalence and a 3.39% increase in mortality. The study highlights the need for policy interventions and public awareness campaigns to curb the rise of CKD.
A recent study found that GLP-1RA medications are not associated with an increased risk of acute kidney injury (AKI) in patients receiving anti-cancer therapies. Researchers analyzed medical records of 14,783 patients and discovered a lower incidence of AKI among those taking GLP-1RA compared to those without exposure.
A novel approach combines 17 biomarkers to identify three distinct health dimensions: systemic inflammation and filtration, tubular function, and tubular damage. Higher tubular damage scores were associated with higher risk of CKD progression, while lower tubular function scores predicted mortality risk.
Felzartamab induces rapid and durable depletion of galactose-deficient IgA1 and total IgA antibodies in patients with IgA nephropathy. The treatment maintains Gd-IgA1 reduction for up to 9 months off-treatment, offering a potential breakthrough in managing this autoimmune kidney disease.
Recent phase 3 clinical trials have generated promising results for improving kidney health, including finerenone and semaglutide's effects on kidney parameters. These findings will be presented at ASN Kidney Week 2024.
A recent analysis of clinical trial data reveals that SGLT2 inhibitor canagliflozin reduces major adverse cardiovascular events, hospitalization for heart failure or cardiovascular death, and chronic kidney disease progression in older adults. The effects on safety outcomes are not modified by age.
A study conducted by Hiddo L. Heerspink at the University Medical Center Groningen found that Ozempic reduced protein in urine by 52% and decreased kidney inflammation by 30%, as well as lowering blood pressure and reducing a key measure of heart failure
A study published in JAMA found that personalized recommendations for hospitalized patients with acute kidney injury did not improve outcomes. Despite higher implementation rates in the intervention group, worsening acute kidney injury stage, dialysis, or mortality remained unchanged.
A cohort study of children with vesicoureteral reflux found that glomerular filtration rate changes after urinary tract infections. The study used data from the Children With Vesicoureteral Reflux trial to assess estimated glomerular filtration rate changes in participants with vs without recurrent UTIs.
Researchers analyzed over 16,000 biopsies from nearly 7,000 kidney transplant recipients to uncover key insights into microvascular inflammation. The study found reclassified patients with microvascular inflammation in the absence of antibody-mediated responses displayed an increased risk of graft failure.
A new study from the University of Texas at Arlington suggests that analyzing RNA in urine can show changes in cell types, revealing early signs of cancer and other diseases. This method could help clinicians detect problems earlier when they are more easily treated without invasive procedures.
A new AI-powered model has been developed to predict kidney transplant outcomes with high accuracy, offering hope for more efficient organ allocation and improved patient outcomes. The tool, UK-DTOP, outperforms existing methods in predicting outcomes for deceased-donor kidney transplants.
A recent study published in the Journal of the American Veterinary Medical Association has revealed new insights into treating cats exposed to toxic lilies. The study found no significant difference in acute kidney injury prevalence between inpatient and outpatient groups, suggesting that outpatient management may be a viable option fo...
Researchers at USC found a link between per- and polyfluoroalkyl substances (PFAS) and kidney damage, which may be tied to dysregulation of the gut microbiome. The study, published in Science of the Total Environment, suggests that changes in gut bacteria and related metabolites can explain up to 50% of decreased kidney function.
A multicenter observational study in the US found that kidney transplantation from deceased donors with HIV to recipients with HIV was safe and noninferior to transplantation from donors without HIV. The study enrolled 198 adults with HIV and end-stage kidney disease, comparing outcomes between 99 donors with HIV and 99 without.
A nonselective extracorporeal blood purification device reduced cardiac surgery-associated acute kidney injury in nonemergent patients. The study showed a significant reduction of AKI in the first 7 days after surgery.
A new non-invasive imaging technique has been shown to accurately detect clear-cell renal cell carcinoma, the most common form of kidney cancer. The technique uses a monoclonal antibody drug that targets the protein CA9, highly expressed in up to 95% of clear cell kidney cancers.
Researchers found that low Wnt signaling levels regulate NPC self-renewal, while higher levels initiate differentiation into mature kidney cell types. The studies also reveal the role of beta-catenin in aggregating NPCs to form early kidney structures.
A new study reveals a significant association between COVID-19 and acute kidney disorders, including acute kidney injury, peaking during the second week after infection. Healthcare providers should closely monitor kidney function in COVID-19 patients with moderate to severe cases, particularly during the first few weeks after infection.
A study found that naldemedine reduces constipation in cancer patients taking opioids, improving quality of life and reducing nausea. After 14 days, 64.6% of naldemedine-treated patients showed no signs of constipation compared to 17.0% in the placebo group.
Researchers found that macrophages produce lipid mediators that promote and suppress inflammation in AKI. The study suggests that MAFB regulates the production of pro-resolving LMs, shifting from a pro-inflammatory to a pro-resolving state.
Researchers at IGTP have discovered a specific cellular pattern in regulatory B cells to monitor kidney transplant patients. This signature can help identify low-risk patients who may benefit from reduced immunosuppression and those at high risk who require closer monitoring.
Researchers at the University of Virginia Health System have identified a crucial biological switch that regulates renin production in certain cells, allowing them to control blood pressure. This discovery provides important direction for future research into high blood pressure and cardiovascular disease treatment.
Researchers found that gold nanoparticles can accurately assess kidney injuries using X-rays, correlating with nanoparticle accumulation. However, caution is needed when employing nanomedicines to patients with compromised kidneys.
A Cleveland Clinic study found bariatric surgery to be more effective in protecting kidney function and reducing the risk of kidney failure compared to GLP-1 medications. The study showed a 60% lower risk of progression of kidney disease and a 44% lower risk of developing kidney failure or death.
A recent study found that using a handheld ultrasound device to nudge patients' kidney-stone fragments can significantly lower their risk of returning for another operation within five years. The procedure has been shown to reduce the recurrence rate by 70% in patients with small fragments remaining in the kidneys.
The grant will create the Urinary Stone Disease Hub, combining medical expertise across adult and pediatric urology and nephrology, informatics, and AI to establish a novel data resource. The hub will include clinically important information from CT images, clinical notes, stone composition, and 24-hour urine labs.
Researchers at Kyoto University have developed a human iPS cell-derived kidney organoid-based proximal tubule-on-chip that mimics in vivo renal physiology. This model exhibits enhanced expression and polarity of essential renal transporters, making it a powerful tool for assessing drug transport and nephrotoxicity.
Researchers from Aarhus University developed a new method to predict which patients with chronic kidney failure are at risk of losing kidney function over time. The method analyzes acid-base balances in urine samples, revealing early signs of acid buildup that can be harmful to kidney function.
The study found that semaglutide was effective in preventing heart attacks and other major adverse cardiovascular events as well as death in adults with impaired kidney function. The results showed a significant reduction in cardiovascular disease risk with semaglutide, even among those with poor kidney function.
Scientists at St. Jude Children's Research Hospital have elucidated the structural mechanism of URAT1, a protein linked to gout, using cryo-electron microscopy. The findings reveal how URAT1 transports urate and offer new insights for developing more effective treatments for gout.
Researchers have identified key cellular interactions and microenvironments that contribute to the development of chronic kidney disease (CKD) after acute kidney injury (AKI) in mice. The study, published in Nature Communications, provides new insights into how damaged cells interact within disease-promoting microenvironments.
F18-FDG PET-CT scans showed significantly higher levels of radioactively-labeled glucose in kidneys for patients with ICI-AKI compared to those with AKI from non-ICI causes. This suggests a potential non-invasive testing option for differentiating cause of AKI as being ICI-related vs. non-ICI-related.
Researchers created a mouse model to study relative energy deficiency in sport (REDs), revealing the syndrome impacts the entire body and affects males and females differently. REDs leads to hormonal and reproductive issues, insomnia and fatigue, bone weakness and injury, and anxiety and depression.
After three decades, perioperative mortality rates for living kidney donors have decreased substantially, from fewer than 1 event per 10,000 donations in the past decade to even lower numbers. Donor demographics, such as male donors and those with a history of hypertension, are identified as high-risk groups.
A new study by NYU Langone Health found that the risk of death for kidney donors has decreased significantly since the 1990s, with fewer than one death occurring for every 10,000 donations. Donors who were male and had a history of high blood pressure were more likely to die within 90 days of surgery.
Researchers have made a significant breakthrough in vasculitis research using AI-powered big data techniques, enabling more precise identification of disease patterns. The study offers new insights into the diagnosis and treatment of systemic vasculitis, a group of rare autoimmune diseases.
Researchers at Washington State University developed an AI algorithm that optimizes 3D printing settings, reducing time and cost for engineers. The algorithm improved the accuracy and quality of printed models, particularly for complex biomedical devices like kidneys and prostates.
A Vanderbilt University Medical Center study found that higher thiazide doses significantly lower urine calcium, leading to fewer symptomatic kidney stone events. The researchers suggest monitoring calcium excretion while on thiazide therapy to adjust dose and diet.
A new risk prediction scale specifically for American Indian adults found elevated heart failure rates compared to other population groups. The analysis identified Type 2 diabetes status, kidney damage, and high blood pressure as major modifiable determinants of developing heart failure over 5-10 years.