Articles tagged with Blood Cancer
New study reveals that T-cell responses against the SARS-CoV-2 spike protein can predict protection against infection. In healthy individuals, T cells with a specific cytokine profile offered immunity against COVID-19. In contrast, cancer patients showed lower T-cell responses and increased susceptibility to infection.
A recent study found that gene therapy delivery vectors were unlikely to cause the blood malignancies reported in trials; however, the exact cause remains a mystery. The study's results suggest that cancer risk in sickle cell disease may be more complex than initially thought, warranting further investigation.
Paczesny will explore biomarkers and a new type of immune cell to identify and regulate acute lung injury after BMT. She aims to improve understanding of signaling mechanisms in lung injury after BMT, particularly as they relate to idiopathic pneumonia syndrome.
A novel immune-profiling method can return detailed immune cell type proportions using only DNA from blood, potentially allowing for individualized prediction of outcomes in immunotherapy patients. This approach offers the opportunity to ask and answer questions about the immune system in health and disease.
A study by MedUni Vienna found that many cancer patients can build up sufficient immunity against SARS-CoV-2 after the third vaccination. However, patients with blood cancers may not develop protection due to immunosuppressive treatments.
Scientists from Japan and USA develop a microfluidic device for purification of tuberculosis genomic DNA fragments, enabling accurate diagnosis of diseases. The device uses transient ITP and electrokinetic trapping to detect and purify small cfDNA fragments.
Researchers discovered two patients with CAR T cell therapy achieved the longest-known remission to date, providing new details about treatment effects and outcomes. The study shows that the infused CAR T cells remained detectable for at least a decade, with sustained remission in both patients.
Researchers have developed a personalized dosing regime for anti-thymocyte globulin (ATG) to improve the success of stem cell transplants in children with leukemia. The new approach led to better immune recovery and higher survival rates compared to standard treatment.
Sophie Paczesny's research aims to validate biomarker panels that help doctors predict chronic GVHD risk and adjust immune suppression treatments accordingly. The study uses machine learning algorithms to analyze stored plasma and blood cell samples from over 1,300 BMT recipients.
Researchers confirm contagious blood cancer can jump between marine clam species, with evidence suggesting human activities may contribute to the spread. The discovery highlights the potential ecological threat posed by these diseases and emphasizes the need for further studies to monitor pathogens.
Researchers at Cold Spring Harbor Laboratory discovered a previously unknown protein called SCP4 that plays a crucial role in the survival of acute myeloid leukemia cells. The study found that SCP4 can pair with specific kinases to regulate cell activity, and targeting this pathway may lead to effective treatment options.
A new graft strategy has reduced chronic graft-versus-host disease in leukemia patients by depleting naïve T cells from donor blood. The approach has shown promising results, with only 7% of patients developing chronic GVHD compared to 30-60% with standard treatment.
Scientists develop hairy cellulose nanocrystals to capture and remove excess chemotherapy drugs from the blood. The nanocrystals effectively removed over 6,000 milligrams of doxorubicin per gram, increasing DOX capture by two to three orders of magnitude compared to existing methods.
A study published in Leukemia found that cord blood transplantation (CBT) was more effective than matched related donor transplantation (MRDT) for patients with refractory and relapsed acute myeloid leukemia (R/R AML). The study compared the survival rates of 1,738 CBT-treated patients with those of 713 MRDT-treated patients, revealing...
Researchers discovered that aberrant splicing of CD22 mRNA leads to decreased protein expression in pediatric B-lymphoblastic leukemia cells. This results in resistance to CD22-directed immunotherapies, making it challenging for oncologists to identify patients who may not respond to these treatments.
Scientists at La Jolla Institute for Immunology have discovered a link between TET enzyme deficiency and the formation of unusual DNA structures, such as G-quadruplexes and R-loops, which contribute to genomic instability. The study suggests that regulating these structures may be key to controlling cancer development.
A new study published in Nature found that valine is essential for the growth of T cell acute lymphoblastic leukemia, a type of childhood blood cancer. Blocking valine-linked genes led to decreased valine levels and stalled tumor cells from growing.
A new blood test developed at Hebrew University of Jerusalem detects immune and inflammatory activity in tissues by monitoring circulating DNA fragments. This method provides accurate information about immune processes in remote tissues, removing the need for invasive measures.
A novel approach may reduce the serious adverse effect of cytokine release syndrome associated with chimeric antigen receptor (CAR) T-cell therapy. Supressing interferon gamma (IFNγ) appears to prevent activation of macrophages and other immune cells that drive the syndrome without impacting CAR T-cell efficacy.
Researchers mapped how HTLV-1 transforms T-cells into cancerous cells, revealing the virus over-activates them and makes them more vulnerable to DNA damage. This study provides new directions for potential treatments to prevent cancer development.
Researchers identified specific metabolic vulnerabilities in leukemia cell lines, including sensitivity to PI3K and fatty acid synthase inhibitors. The study highlights the potential for targeted cancer therapy by exploiting these dependencies.
Researchers found a novel therapy called AVID200 safe and well-tolerated, with modest improvements in symptom burden, anemia, and spleen enlargement. The therapy needs to be combined with other drugs to optimize impact in patients.
A case study published in Nature Medicine reports a patient experiencing progressive neurological features resembling Parkinson's disease after CAR-T cell therapy, suggesting potential neurotoxicity. The study highlights the importance of monitoring for neurotoxicity in patients receiving BCMA-targeted CAR-T therapies.
A recent study by NTU Singapore and Singapore General Hospital found that mutations in the DDX3X gene are responsible for chemotherapy resistance in some blood cancer patients. The study also discovered that STAT inhibitors can effectively kill lymphoma cells with DDX3X mutations, providing hope for new treatment options.
Researchers at the University of Pennsylvania have discovered a new approach to triggering differentiation in AML cells, potentially treating a wider range of patients. By inhibiting an enzyme that blocks cellular differentiation, AML cells can lose aggressive growth traits and mature into new cell types.
A new treatment target for lymphoma has been identified as protein KDM5, which may reverse the effects of KMT2D mutations in cancer cells. The international collaboration aims to identify patient groups most likely to benefit from this type of treatment and explore its therapeutic potential across various lymphoma subtypes.
Researchers developed a novel model to identify specific genes and genetic alterations in multiple myeloma, stratifying the cancer's severity via DNA and RNA sequencing. This model revealed diverse subtypes and high-risk patients beyond current classifications.
A functional precision medicine study demonstrates that treatment selection based on results from drug sensitivity testing can be clinically useful in patients with aggressive hematological cancer. The approach combines deep molecular profiling with comprehensive drug sensitivity testing to advance the therapy decision-making system.
A recent study published in JNCCN found that only 31% of hospitals have immediate availability of all-trans retinoic acid (ATRA), a crucial blood cancer medication. This medication is essential for treating acute promyelocytic leukemia, which has a better prognosis when treated appropriately. The lack of ATRA availability poses a signi...
Researchers have developed a new method of stem cell transplantation that does not require chemotherapy or radiation. The approach uses immunotherapeutic drugs to eliminate cancer cells and prevent immune rejection. This technique has the potential to be curative for blood cancers and treat other diseases like sickle cell anemia.
People with blood cancers are at higher risk of severe COVID-19 illness; research suggests they don't always achieve optimal protection from vaccination. A new study found that patients with lymphoma were more likely to develop post-vaccination COVID-19 infection compared to those with other blood cancers.
A study suggests that suppressing the protective mechanisms of rogue blood stem cells can help curb clonal hematopoiesis and prevent leukemia. The researchers used zebrafish with colored 'barcodes' to track the dominance of cancerous clones, revealing a connection between anti-inflammatory genes and resistance to inflammation.
Ulrich Steidl, a leading cancer researcher, has received an NCI grant to study the molecular mechanisms of myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML). The goal is to develop new treatments and cures for these fatal disorders.
A study found that over half of double-vaccinated blood cancer patients have poor immune responses to COVID-19. Despite being vaccinated, these patients remain vulnerable to severe infection and are urged to continue wearing masks and maintaining social distancing.
Researchers found that adding interferon to bone marrow transplant significantly reduced leukemia relapse among high-risk patients, improving outcomes. The study suggests a potential new strategy for treating advanced acute myeloid leukemia, with further research needed to confirm the findings.
Patients with multiple myeloma often mount a poor antibody response to COVID-19 vaccines and have a weak T cell response, underscoring the need for booster vaccination and safety precautions. Researchers found that these patients are at high risk of severe COVID-19 infection.
Researchers have discovered a new drug target for myelodysplastic syndrome (MDS) and other hematologic malignancies, which are sensitive to MEK inhibitors. The study found that mutations affecting RNA splicing alter cells to develop MDS and solid tumors, providing a potential new approach to treating this rare blood cancer.
Researchers at CNIO and 12 de Octubre Hospital have developed a new cancer treatment called CAR-NK-cell immunotherapy, which uses natural killer cells to target cancerous cells. The treatment has shown promising results in mice with multiple myeloma, with 25% of treated mice remaining disease-free.
MUSC researcher Haizhen Wang receives R37 grant to investigate CDK6's role in T-cell acute lymphoblastic leukemia, a aggressive cancer. The research aims to understand how the immune system can be used to reduce leukemia progression.
A genetic analysis reveals that a rare type of blood cancer affecting immune T cells may be caused by exposure to smoking and aging-related mutations in blood precursor cells. The study found a potential link between the development of these tumours and second-hand smoke, suggesting cessation may prevent their occurrence.
Researchers at the University of Basel have discovered a novel combination therapy approach that combines inhibiting JAK2 with targeting the MAPK signaling pathway. This dual targeting strategy has shown promising results in improving leukemia treatment outcomes by reducing blood cell production and altering disease course.
Researchers from Pusan National University have compiled a comprehensive review of ginsenosides, the main component of ginseng, which can prevent inflammation, diabetes, and cancer. The study provides insights into how to improve ginsenoside production through chemical and enzymatic treatments, as well as microbial action.
Researchers identified DNA mutations from platinum-based chemotherapies in AML patients, suggesting treatment-associated cancer development. The study's findings imply that clonal hematopoiesis precedes chemotherapy exposure.
Eosinophils, a type of white blood cell, play a crucial role in destroying malignant tumors by recruiting T-cells and releasing destructive proteins. The study, published in Cancer Research, reveals that eosinophils combat cancer effectively but require the help of T-cells to do so.
A new DNA-based test using whole genome sequencing can identify tumour-specific markers to measure cancer levels in children's bodies. This technology has the potential to detect minimal residual disease and change treatment outcomes.
A phase II trial found that high-dose cytarabine followed by pembrolizumab improved cancer remission rates in AML patients, with a complete remission rate of 38%. The treatment also showed promise for patients who had not benefited from standard therapy.
Children genetically predisposed to overproduce lymphocytes in relation to other white blood cells are at higher risk of developing ALL, according to a new USC study. The research found that the ratio of lymphocytes to other key blood cells is significant in predicting leukemia risk.
Researchers found that remnant cholesterol levels above 24 micrograms per deciliter were associated with a 40-50% higher risk of major heart disease or stroke. The study suggests using remnant cholesterol as an additional metric for predicting cardiovascular disease and stroke risk, in addition to LDL cholesterol levels.
A new study from Penn Medicine demonstrates that RN7SL1, a naturally occurring RNA, can activate the body's own natural T cells to seek out cancer cells that have escaped recognition by CAR T cells. This approach may help improve efforts to treat solid tumors.
Researchers discovered that cancer-associated mutations in blood progenitor cells lead to distinct changes in both cancer and non-cancer immune cells in Waldenstrom macroglobulinemia. This finding has potential implications for origins and therapy of the disease, suggesting a new approach to immune therapies.
Silent mutations, which don't change protein sequences, hold diagnostic value in predicting cancer types and patient survival. The study analyzed over 10,000 cancer genomes and found that combining information from silent and non-silent mutations improved classification and prognostication up to 17% and 5%, respectively.
A study from Linköping University found that the tumour-inhibiting gene TET2 is silenced in most cases of acute lymphoblastic leukemia (ALL) in children. The gene can be reactivated by treatment with an existing drug, 5-azacytidine, suggesting a targeted therapy for ALL in children.
Researchers at the University of Southampton have identified a unique change in B cells that allows them to receive signals from molecules called lectins, enabling tumor growth. This discovery could pave the way for new treatments and early cancer detection methods.
A novel AI-powered blood test, DELFI, has been developed to detect lung cancer with high accuracy. The test uses machine learning to analyze cell-free DNA in the bloodstream and has been shown to identify over 90% of patients with lung cancer.
Researchers at Tel Aviv University successfully printed the first entirely active and viable glioblastoma tumor using a 3D printer. The 3D-bioprinted model includes functional blood vessels that simulate a real tumor, making it a promising tool for predicting treatment efficacy and drug development.
Fels and Fox Chase researchers found specific TET2 and DNMT3A mutations in leukemia patients that affect DNA repair pathways. These mutations make leukemia cells sensitive to PARP inhibitors, a type of targeted therapy, while others are resistant. The study aims to develop personalized therapies for patients with these mutations.
Scientists at University of California San Diego School of Medicine have developed a method to keep cultured hematopoietic stem cells healthy, positive news for patients seeking stem cell transplants. The findings also hint at a new way to ward off aging by super-activating the heat shock pathway.
Researchers at UVA Health System discovered that combining drug palbociclib with ruxolitinib could effectively treat myelofibrosis by preventing bone marrow scarring and improving blood cell counts. This potential new treatment offers a promising approach to devastating blood disorder.
A new study published in Blood Cancer Discovery reveals that children with acute myeloid leukemia (AML) who have more DNA changes in their blood stem cells are more likely to survive. The researchers hope that this finding can be used as a tool to identify high-risk patients and improve treatment outcomes.
A world-first study found that cancer patients receiving chemotherapy intravenously have more than double the risk of developing a blood clot or thrombosis if the vein is too small and the catheter occupies more than 45% of the vein. Researchers identified specific limits on catheter-to-vein ratios to reduce risks for cancer patients.