Articles tagged with Liver
A study found that patients who received liver transplants from living donors are more likely to experience severe Hepatitis C recurrence. The research, led by Xavier Forns, investigated the effect of donor life status on HCV patient outcomes and discovered a significant association between living donor transplantation and severe disea...
Research on hepatitis C patients after liver transplantation found that 10-year outcomes are similar to those for other indications, but risk of recurrence and failure increases over time. Factors such as donor and recipient age, viral load, and CMV antibodies can predict transplant success.
A team of scientists at Scripps Research Institute has discovered a new genetic component of the mammalian clock, known as Rora. This discovery holds promise for understanding circadian rhythms and their role in health and disease, including conditions like jet lag and sleep disorders.
Two young scientists, Matthew R. Jones and Takuya Sakaguchi, have been awarded the APS Postdoctoral Fellowship to investigate the roles of Interleukin-6 in pneumonia infections and liver organogenesis, respectively. The fellowship aims to advance understanding of physiological genomics by integrating cellular and molecular biology.
A team of MCG students has discovered a vegetarian alternative to chicken liver for diagnostic imaging, utilizing Carborite Pancake Mix. The product's binding rate is 97-98%, comparable to that of chicken liver.
Researchers analyzed 15 years of data on liver transplant recipients with hepatitis B and found significant improvements in 5-year-survival rates from 53% to 76%. Advances in prophylaxis and treatment of recurrent HBV disease likely contributed to these gains.
Researchers discovered that inflammatory genes are activated and control bile duct obstruction in biliary atresia, a disease affecting up to 50% of children undergoing liver transplants. Blocking these inflammatory signals may prevent disease progression and increase long-term survival.
Experts disagree on acetaminophen's safety; William M. Lee advocates for stricter regulation to reduce overdoses, while Barry H. Rumack suggests therapeutic doses are safe and most cases may be intentional overdose attempts.
A study found that blacks were underrepresented on liver transplant waiting lists, with only 8.4% of the list being black despite 13.6% of the population being black. Blacks also had higher mortality rates while waiting for transplants and were less likely to receive transplants within 4 years compared to whites.
Researchers at OHSU's Oregon Stem Cell Center have discovered that macrophages, not stem cells, can fuse with diseased liver cells to correct genetic liver disease in mice. This finding suggests that transplantation of macrophages alone may be a more targeted and effective treatment approach than traditional stem cell therapy.
The Mayo Clinic discovery sheds light on the cellular mechanisms behind Non-Alcoholic Fatty Liver Disease (NAFLD), a growing global problem related to affluence and diet. Early signs include accumulation of fat in the liver, inflammation, and scarring, which can lead to impaired function.
A study found that liver damage risk varies by gender and drinking pattern. Women are more susceptible, especially when not eating with alcohol, whereas men's risk depends on frequency and amount of drinking.
Researchers have found that women with visceral fat experience increased lipolysis, the breakdown of fat cells, which can lead to weight loss. The study suggests that this type of fat may be particularly responsive to diet and exercise.
Researchers found that bone marrow stem cells can differentiate into liver cells within days, restoring liver function in injured mice. The study suggests a new approach to treating chronic diseases like diabetes and cirrhosis of the liver.
A recent study published in Hepatology suggests that using nitric oxide during liver reperfusion can protect transplanted livers from cell death, improving survival rates. Researchers found that nitric oxide blocks mitochondrial damage, a key factor in organ rejection and failure.
Researchers have identified a potential new source of stem cells for treating liver damage, offering hope for improved care. The study found that umbilical cord blood cells may differentiate into functional liver cells after transplantation, providing a promising therapeutic avenue for acute and chronic liver injury therapy.
Research has identified improved screening programs for HIV coinfection with chronic hepatitis C, as well as predictive models for inflammation and fibrosis in patients with chronic hepatitis B. These advances aim to improve treatment decisions and quality of life for affected individuals.
A new study published in Liver Transplantation reveals that regional review boards effectively distinguish between high- and low-risk patients, ensuring fair organ allocation. The study also found that referring physicians have poor predictive capacity for patient mortality.
Researchers found an inverse correlation between coffee and caffeine consumption and liver injury, which declined with increasing coffee drinking and caffeine intake. Carbonated soft drink consumption was also linked to a rise in esophageal adenocarcinoma rates, with a strong correlation seen between the two.
Data from over 35,000 organ recipients demonstrated improved patient and graft survival with CellCept-based treatment regimens. The studies found significant improvements in liver and kidney transplant outcomes, reducing infectious deaths and increasing graft survival rates.
Researchers found that liver dendritic cells express less TLR-4, a molecule that triggers immune activation, due to the constant exposure to LPS from gut bacteria. This mechanism may contribute to the liver's inherent tolerogenic potential and lower rejection rates in transplant patients.
A study found that treating cirrhotic patients with synbiotics or fermentable fiber can alter the gut flora, lowering ammonia levels and improving clinical signs of brain and liver dysfunction. The treatments were effective in reversing minimal hepatic encephalopathy in 50% of patients, compared to 13% in the placebo group.
The value of screening varies by condition, and it can both identify treatable conditions and subject patients to invasive evaluations. Researchers recommend carefully considering each condition's worthiness and exploring prospective studies on screening efficacy.
A new study found that MRI is more effective than PET in detecting small liver metastases, with an accuracy rate of 75.5%, compared to PET's 64.1%. The study used a custom liver-specific contrast agent, which improved image resolution and detection of smaller lesions.
A new animal study suggests that antioxidant vitamins may increase the secretion of VLDL in liver cells, leading to higher levels of LDL cholesterol. The study found that vitamins hampered a process in the liver that prevents the production of harmful lipoproteins.
A major study at Cedars-Sinai Medical Center found that a bioartificial liver significantly reduced mortality among patients with acute liver failure. The treatment showed a 44% reduction in mortality rates compared to standard supportive care, offering new possibilities for treating this life-threatening condition.
A study found that liver transplant recipients in small OPOs had a lower proportion of patients with high MELD scores compared to those in large OPOs. Despite this difference, patient survival rates were similar between the two groups.
A new ribozyme package has been shown to be effective against the hepatitis B virus in an animal model, reducing viral production by over 80% in just three to five days. The treatment uses a specialized cassette that targets and destroys the virus's RNA, making it a promising approach for fighting other viruses as well.
A study by Miriam Jacobs and colleagues has found significant increases in flame retardant levels in cod liver oil supplements over the past four years. This is a growing concern due to the potential for these chemicals to contaminate the environment and human health, particularly through consumption of contaminated fish oils.
A new test can detect cirrhosis of the liver in its early stages, using changes in sugar production to identify the condition. The test has been shown to be accurate and could lead to earlier detection of liver cancer, improving treatment outcomes.
Researchers found that short-term stress combined with exposure to low-dose chemicals causes widespread cellular damage in the brain and liver of rats. The combination also promotes cell death, damages specific brain regions, and increases reactive oxygen species, which can lead to further damage.
Patients undergoing complex gastrointestinal surgery at teaching hospitals are less likely to die or experience complications, with death rates under 10% compared to non-teaching hospitals. Higher hospital volumes also lead to fewer prolonged hospital stays, suggesting fewer complications from surgery.
A large cohort study reveals that diabetes significantly increases the risk of developing chronic liver disease and liver cancer. Regular testing of liver enzymes is recommended for patients with diabetes to monitor for potential toxicity.
Researchers are testing a gene therapy approach called tumor immunization, which involves delivering the IL12 gene to cancer cells to trigger an immune response. The method has shown promise in laboratory and animal studies, with up to 20% of animals experiencing complete tumor eradication.
Studies identify specific tissue sites where abnormal cells lead to insulin resistance and Metabolic Syndrome. PPARgamma in fat tissue affects adipose cell function, while defective muscle tissue causes profound insulin resistance.
A study of 100 patients with abnormally high liver enzymes found that 57 had HCV RNA in their liver biopsies, suggesting occult infection. HCV RNA was also detected in peripheral-blood mononuclear cells from 40% of patients, potentially allowing for easier detection and monitoring.
A pilot study found that children who underwent steroid-free immunosuppression had a lower rate of graft rejection after 12 months compared to those who received steroids. The findings suggest no harmful effect on graft acceptance, but further follow-up is needed to confirm the results.
Researchers discovered that growth hormone activates the Foxm1b gene, a critical regulator of tissue repair and regeneration. The study suggests that declining growth hormone levels in older adults may contribute to reduced healing capacity.
A study of HIV-infected patients undergoing liver transplantation found improved survival rates compared to HIV-negative patients. Poorer survival was associated with postoperative intolerance, low CD4 counts, and hepatitis C coinfection.
Researchers successfully used gene-modified dendritic cells to induce apoptosis in collagen-specific T cells, reducing arthritis incidence and severity. Additionally, stem cell factor was found to drive hepatocyte proliferation after liver resection, while VLA-1 expression is crucial for T cell memory of previously encountered antigens.
Researchers found that stem cell factor (SCF) levels change significantly after partial hepatectomy, and SCF administration restores hepatocyte proliferation in mice with IL-6 knockout. This suggests SCF plays a crucial role in liver regeneration.
Liver cancer patients who undergo transplantation show improved five-year survival rates, increasing steadily from 25.3% to 61.1% over the past two decades. Regular screening of patients with cirrhosis is essential for early detection and optimal outcomes.
A US study found that liver transplantation significantly improves five-year survival rates for patients with hepatocellular carcinoma (HCC), from 25.3% in the late 1980s to 61.1% in the early 2000s. The study suggests that careful patient selection based on improved criteria may be a key factor in these improvements.
A recent study found that biological DMARDs significantly increase the risk of serious hepatic events. The study showed no such link with leflunomide or traditional DMARDs, suggesting further investigation is needed.
Researchers uncover two neighboring genes, Rsl1 and Rsl2, that repress male-specific liver gene expression in female mice. This discovery sheds light on the genetic basis for gender differences in liver function, revealing a complex interplay between multiple genes.
Researchers found that children with mild asthma already show pathologic features of adult disease, including basement membrane thickening and airway eosinophilia. New AAT deficiency guidelines also aim to improve diagnosis and management by identifying specific risk factors for this hereditary disorder.
A study found that 78% of patients requiring intestine transplantation had elevated manganese levels, leading to liver complications. Routine blood tests can help identify high manganese levels and prevent associated neurological symptoms.
The University of Pittsburgh Medical Center has reported significant improvements in intestine transplant survival rates since 1990, with one-year survival increasing to 90% for patients transplanted within the last five years.
A study of 1841 living liver donors in Japan found no perioperative mortality, but serious complications were reported. The study highlights the importance of prioritizing donor safety in organ transplantation to minimize morbidity and mortality.
A new technique uses interleukin-6 to store and transport fatty liver organs, potentially reducing damage and improving function after transplantation. The findings could increase the availability of liver transplants in the US, where approximately 40% of adults have fatty livers.
Salicylic acid has been shown to downregulate two key genes in Staphylococcus aureus, leading to reduced virulence and ability to adhere to host cells. Meanwhile, osteopontin has been found to play a critical role in the development of rheumatoid arthritis by facilitating cell adhesion and immune response modulation.
Researchers have discovered that hematopoietic stem cells (HSCs) migrate selectively to injured liver tissue through the expression of SDF-1 and CXCR4. This selective homing mechanism may serve as a target for future therapeutic protocols to improve liver regeneration and transplantation outcomes.
Cedars-Sinai physicians advocate for pre-transplant liver biopsies in living donor liver transplants to detect chronic hepatitis, severe fat in the liver, and other complications that may go unnoticed through routine screenings. The analysis found that only 27% of donors had healthy livers without biopsy results.
A new nanotech strategy creates a precise architectural framework for liver or kidney cells to sustain viability for at least one week. Experiments show 96% of kidney cells and 95% of liver cells survived with the device, paving the way for whole, functional organs
Researchers found that fibroleukin is a prothrombinase that contributes to the development of thrombosis in viral hepatitis. The study suggests a potential link between fibroleukin and the progression of viral hepatitis, highlighting the importance of further investigation into this area.
Researchers found that adding interleukin-6 to the preservative solution before transplantation significantly increased post-transplant survival of rats receiving organs with fatty degeneration. The treatment reduced cell death and improved liver function in steatotic livers, suggesting a promising strategy for addressing organ shortages.
A new study found that Neoral is as effective as tacrolimus in preventing acute rejection but better tolerated, with lower rates of diabetes and diarrhoea. The study analyzed 499 patients and showed significant differences in tolerability between the two immunosuppressive therapies.
Researchers at the University of Pittsburgh's McGowan Institute for Regenerative Medicine have made significant strides in growing functioning liver tissue in a bioreactor, keeping patients with liver failure alive until donor organs become available. Additionally, studies on tissue-engineered materials show promise as a treatment for ...
A new organ preservation solution, Histidine-Tryptophan-Ketogluterate (HTK), has been shown to be more practical and easier to use than the University of Wisconsin (UW) solution for preserving livers before transplantation. The study found similar outcomes between HTK and UW in terms of initial organ function and clinical measures.
Researchers have made a breakthrough in treating liver disease by using bone marrow stem cells from matched donors. The study found that these stem cells can form liver-like cells in damaged livers, producing human albumin and showing promise as a potential treatment for liver disease.