Articles tagged with Leukemia
Researchers created a comprehensive chromatin map to understand gene regulatory networks contributing to differences between pediatric acute lymphoblastic leukemia subtypes. The study identified key transcription factor footprints and chromatin accessibility patterns, which can predict leukemia subtype with 89% accuracy.
A study by researchers at the University of Illinois found a significant relationship between soy expansion and childhood leukemia deaths in Brazil. Pesticide use in the region has been linked to increased cancer mortality, with an estimated 123 children under 10 dying from ALL associated with pesticide exposure between 2008 and 2019.
Researchers developed a blood test to detect cancer earlier in individuals with Li-Fraumeni syndrome, an inherited condition with a high risk of developing cancer. The study provides a proof-of-principle framework for detecting specific cancers earlier, paving the way for further clinical trials and improved patient care.
A new cancer drug candidate has been found to restore the effectiveness of the immune system in fighting tumors, including melanoma, bladder cancer, leukemia, and colon cancer. The drug works by lowering a toxic compound called MTA, which impairs normal functioning of immune cells and blocks immunotherapies.
A new cell model has been created to simulate the evolution of a common form of childhood leukemia, B-cell acute lymphoblastic leukaemia. The model replicates the disease in children's cells, providing a crucial tool for researchers to develop new therapeutic strategies.
Researchers at St. Jude Children's Research Hospital refined the definition of hyperdiploidy in childhood B-cell acute lymphoblastic leukemia (B-ALL), using DNA index to predict patient outcomes. The study found that a simpler system captures a significant proportion of patients with excellent prognoses, and that individual chromosome ...
Dr. Hung Nguyen is studying how medium chain fatty acid foods like coconut oil and avocados affect GVHD severity and mortality in transplant patients. His goal is to develop a dietary approach that reduces inflammation and corticosteroid use, improving patient outcomes for blood cancers.
A subgroup analysis found that patients with an NPM1 mutation had a 48% reduced risk of death compared to those without the mutation. Patients receiving supplementation experienced lower rates of bacterial infections, bleeding, and inflammation during intensive chemotherapy.
A team of KAUST researchers has found a critical protein that regulates cell division and proliferation in breast cancer and leukemia. Their work clears the way for the development of targeted drugs by refuting recent challenges to their approach.
Researchers identified how low TET2 levels fuel rapid growth of acute myeloid leukemia in animal models. The study found that TET2 deficiency sets off biochemical changes enhancing the cancer's ability to spread. This discovery highlights potential therapeutic targets for treating aggressive bone marrow cancer.
A multicenter team has identified three risk biomarkers for chronic graft-versus-host-disease, which can be measured at 90 days after transplantation. These markers include MMP3, DKK3, and CXCL9, which are associated with fibrosis, inflammation, and immune cell attraction.
A study of 800 Dutch children found that modified treatment protocols increased the five-year survival rate for all children with acute lymphatic leukemia to 94%. The modifications resulted in a three times lower risk of disease recurrence, especially in children with an aggressive form of leukemia.
Researchers found that among individuals being treated for acute lymphoblastic leukemia, those overweight or obese had lower survival rates. The study suggests obesity may play an adverse role in response to ALL treatment regimens.
A prospective study of COVID-19 mRNA vaccines found progressively declining immune functions in individuals with chronic lymphocytic leukemia (CLL). The study, published in PLOS Medicine, showed that CLL patients experienced reduced antibody responses to the vaccines.
Researchers investigate MCL-1i-induced Mcl-1 protein accumulation and its implications in B-cell malignancies. The study reveals a complex mechanism contributing to MCL-1 protein stability upon treatment with MCL-1 inhibitors.
Researchers found that leukemia cells use messenger particles to navigate and release molecular cargo at distant sites, driving cancer metastasis. A potential therapeutic strategy involves targeting these particles with an antibody drug that blocks E-selectin activity.
Patients with high-risk CLL experienced durable responses to fixed-duration first-line treatment with ibrutinib in combination with venetoclax, with over 95% of patients achieving a response regardless of genetic features. The regimen also showed high survival rates at 36 months after treatment initiation.
Researchers uncover genetic changes that link blastic plasmacytoid dendritic cell neoplasm (BPDCN) to exposure to ultraviolet radiation, suggesting a potential role for sunlight in its development. The study, published in Nature, sheds light on how cancer cells evolve across multiple tissues.
The COMMANDS trial showed improved red blood cell counts and erythroid responses in transfusion-dependent patients with myelodysplastic syndromes, allowing the majority to no longer require regular blood transfusions. Luspatercept demonstrated superior effectiveness over epoetin alfa in this study.
A team from the University of Tsukuba has discovered that the enzyme ELOVL6 plays a significant role in the development of acute myeloid leukemia, a type of blood cancer. The study found that high levels of ELOVL6 are linked to shorter survival rates for leukemia patients.
A new Northwestern Medicine study found young adult cancer survivors (18-39 years old) are 2.6 times more likely to develop heart failure when treated with anthracyclines. The incidence is highest among leukemia and other specific cancer types.
Researchers have developed an automated calling algorithm for determining B and T cell clonality from NGS data with greater sensitivity than previous models. The new model increases the assay's sensitivity in detecting clonality, allowing for more accurate diagnosis and monitoring of lymphoproliferative disorders.
Researchers from Amsterdam UMC and Copenhagen University have found that a chemofree drug-combination therapy is more effective than traditional chemotherapy in treating CLL, resulting in reduced side effects and improved patient outcomes. The study, the largest ever conducted on CLL, involved 920 fit patients and showed that treatment...
Blinatumomab immunotherapy significantly improves the survival rate of babies with aggressive acute lymphoblastic leukemia (ALL), from 66% to 93%, while reducing side effects. The treatment is now standard for babies worldwide.
A study of 7807 children found no increased risk of brain tumours, leukemia, or lymphoma after a single CT scan. However, exposure to 4 or more scans before adulthood significantly increases the risk of intracranial tumours, leukemia, and non-Hodgkin lymphoma
Children with acute lymphoblastic leukemia (ALL) who live in extreme poverty are at a significantly higher risk of relapse and have difficulty adhering to treatment. The study highlights the need for clinicians and researchers to assess financial hardship and adherence to treatment to improve outcomes.
A study by Linköping University researchers found that blood stem cells from leukemia patients remain in the bone marrow, but become defective over time, leading to long-term effects on blood formation. This discovery may explain why many leukemia survivors experience blood cell function disorders later in life.
Researchers discuss cortactin's impact on cancer progression by modulating the Wnt5a/ROR1 signaling pathway. Cortactin expression is found in various cancers, including breast and chronic lymphocytic leukemia, suggesting its potential role in promoting metastasis.
Scientists from USC Stem Cell laboratory discovered a mechanism linking leukemic mutations to varying disease potentials, identifying RNA splicing regulator Rbm25 as a critical factor. The study found that over-contributing clones of blood stem cells produce excessive myeloid cells, leading to potential leukemia development.
Researchers at Lund University discovered a novel mechanism linking RNA splicing to the development of leukemia in myelodysplastic syndrome patients. The study highlights the critical role of core spliceosome component SF3B1 and its regulation by N6-methyladenosine (m6A) modification, which provides a
Researchers found that consuming vitamin A or its analogs can help prevent painful pancreas inflammation in children and young adults with acute lymphoblastic leukemia (ALL) during chemotherapy treatment. The study revealed that only 1.4% of patients developed pancreatitis when taking vitamin A, compared to 3.4% without it.
A team of researchers has discovered a potential therapeutic that can synergize with existing drugs to more effectively kill certain leukemia cells. The therapy targets a DNA repair protein and shows promise in clinical trials.
A study of 2.2 million Danish children found certain maternal infections during pregnancy increased childhood leukemia risk among offspring. The findings suggest potential implications for etiology and preventive measures.
Researchers have successfully converted pluripotent stem cells into hematopoietic stem and progenitor cells using optimized transcription factors. The resulting PSC-derived cells generated all types of white blood cells in mice without giving rise to tumors or leukemias, suggesting a promising future for PSC-based transplant therapies.
A new protein degrader, AK-2292, shows promise against STAT5, a key player in leukemia and other cancers. By targeting the protein's degradation, researchers have overcome previous challenges in designing small molecule inhibitors.
Researchers at Harvard's Wyss Institute developed a method to fine-tune CAR-T cell stimulation using artificial antigen-presenting scaffolds. This approach enhances consistency and potency of resulting CAR-T cell products, allowing for better cancer treatment outcomes.
Researchers at VCU Massey Cancer Center have discovered a novel combination therapy that dramatically suppresses the growth of AML cells, including those resistant to venetoclax. The dual mTORC1/2 inhibitors synergistically enhance AML cell death when paired with venetoclax.
Pusan National University researchers have identified a novel gene, SURF4, that regulates cell death and differentiation in acute myeloid leukemia (AML). The study found that suppressing SURF4 expression increases cell differentiation, cell death, and accumulation of ROS, leading to arrested tumor growth in mice.
A new study standardizes the use of optical genome mapping (OGM) for patients with blood cancers, demonstrating its potential as a frontline test for diagnosing hematologic malignancies. OGM outperforms existing tests in detecting cancer-causing gene variants and identifying additional information that can improve patient outcomes.
Researchers from Hospital Universitario 12 de Octubre and Josep Carreras Institute create a cell therapy based on STAb cells for T-Cell Acute Lymphoblastic Leukemia (T-ALL), a rare disease with few treatment options. The new therapy offers an alternative to CAR-T therapies, which have limitations in treating this type of leukemia.
A comprehensive study of childhood leukemia's genetic diversity provides insights into personalized therapy. Researchers identified distinct groups based on drug sensitivity profiles, which significantly impact prognosis.
The E1910 trial found that adding blinatumomab to standard front-line consolidation chemotherapy improved overall survival and kept most patients in remission. The treatment, which targets malignant B cells, demonstrated its effectiveness in patients with a good prognosis after an initial round of chemotherapy.
A new treatment protocol has been shown to significantly reduce the risk of aggressive childhood leukemia returning after chemotherapy. The ALL-11 protocol, which includes an extra year of maintenance chemotherapy for children with specific genetic mutations, has improved five-year survival rates and quality of life for these patients....
Gene variants associated with leukaemia produce 'rogue' killer T cells that drive autoimmune diseases, according to a new study. These rogue cells can cause autoimmune disease even at low levels, highlighting the connection between leukaemia and autoimmunity.
A team of researchers discovered that the gut microbiome plays a critical role in driving granulopoiesis, a process formation of granulocytes, in mice models. The study found that alterations in the gut microbiome composition induced by neutropenia stimulate reactive granulopoiesis via interleukin 17A secreted by T cells, promoting neu...
Researchers found that MK256 induced differentiation and maturation in leukemia stem cells, inhibiting proliferation of AML cell lines. The study also showed dose-dependent inhibition of the STAT pathway in both in vitro and in vivo studies.
Scientists have discovered that leukemia cells can change their DNA read-out to evade treatment, making them harder to treat. The study identified key genetic changes that allow cancer cells to survive and relapse.
A multistate study found that mRNA COVID vaccines were less effective in immunocompromised adults, with protection rates ranging from 34% to 71% after multiple doses. The study emphasizes the importance of non-pharmaceutical interventions, such as masks and antibody treatment, for additional protection against severe COVID-19.
Researchers investigated the possible connection between maternal obesity and an increased risk of acute lymphoblastic leukemia in children. Changes in fetal epigenetics, insulin-like growth factor profiles, and immune cell populations have been proposed as potential explanations for this association.
Researchers engineered immune cells to control two major complications of leukemia treatment: graft-vs-host disease and cancer relapse. The approach, using a protein called OX40, showed promise in animal models, protecting against both conditions without severely impairing the immune system.
Researchers at the University of South Australia are using new technologies to speed up blood cancer diagnosis and treatment. The project aims to identify genetic variants that cause cancer, enabling clinicians to provide targeted treatments and improve patient management.
The NCCN Annual Congress on Hematologic Malignancies will address key findings on chronic lymphocytic leukemia management and CAR T-cells in diffuse large B-cell lymphoma. The event also features updates on immunotherapies in multiple myeloma treatment.
Researchers have found that delivering a cellular metabolite via tiny particles called nanoliposomes can augment the beneficial effects of certain anti-leukemia drugs in models of acute myeloid leukemia. The study also uncovered several mechanisms behind these effects.
Researchers found that 12% of cancer survivors lived in poverty, experiencing negative effects on physical and mental health. Financial burden of cancer care persists years after diagnosis, leading to poor health outcomes and increased mortality.
Researchers found that gut commensal bacteria enhance the pathogenesis of a tumorigenic murine retrovirus by upregulating genes that suppress the immune response. This ability to evade the immune system allows tumors to develop and progress in mice infected with the virus.
Scientists discover that methotrexate causes oxidative damage to the cerebrospinal fluid and choroid plexus, leading to cognitive impairment. Adding antioxidants to the CSF may protect against this damage, offering a potential treatment for 'chemo brain'. Researchers are exploring other chemotherapy drugs and testing antioxidant treatm...
A recent study published in Frontiers in Pediatrics suggests that modern immunotherapies, such as CAR-T cell therapy, could replace traditional stem cell transplantation for high-risk ALL patients. The review also discusses the importance of reducing long-term side effects, including organ damage and secondary cancers.
Researchers sequenced 2,574 pediatric ALL patient samples, identifying 376 significantly mutated genes that potentially drive cancer development. The study provides a foundational guide for physicians and scientists to understand disease development and improve treatment outcomes.
A KAUST-led research team identified two drug treatments that boost the activity of molecules involved in cell adhesion, enhancing the ability of blood-forming stem cells to enter the bloodstream and produce new blood. This breakthrough could lead to improved bone marrow transplant success for leukemia patients.
Researchers developed a method to produce generic CAR T cells from induced pluripotent stem cells (iPS cells), which could be produced at scale for multiple patients. The new cells showed enhanced anti-tumor activity and comparable efficacy to current clinical-grade cells.