Crispr Takes Its First Steps in Editing Genes to Fight Cancer

So far, a procedure that turbocharges the immune system to attack tumors seems safe, but it ’s too soon to tell whether it helps patients.
Source: NYT Health - Category: Consumer Health News Authors: Tags: Research Crispr (DNA) Immune System Cancer Immunotherapy Genetic Engineering University of Pennsylvania your-feed-healthcare Source Type: news

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ConclusionsThe updated PURE-01 results confirm the activity of neoadjuvant pembrolizumab in MIBC. Patients with SCC and LEL features may be suitable for neoadjuvant immunotherapy trials. CPS and TMB are the key response predictors irrespective of the histological subtypes.Patient summaryIn the PURE-01 study, we have preliminarily evaluated the activity of neoadjuvant pembrolizumab in patients with predominant variant histology (VH). Of these patients, those harboring squamous-cell carcinoma or a lymphoepithelioma-like variant feature had major, although preliminary, pathological responses compared with those with other pre...
Source: European Urology - Category: Urology & Nephrology Source Type: research
Authors: Tzatzarakis E, Hissa B, Reissfelder C, Schölch S Abstract Introduction: CD47 is an anti-phagocytic ("don't eat me") signal overexpressed on many malignant diseases. It acts as myeloid immune checkpoint and thus has prognostic and therapeutic implications.Areas covered: This review presents and discusses the currently available data on the prognostic role and therapeutic value of CD47 in gastrointestinal tumors.Expert opinion: CD47 is overexpressed on the great majority of gastrointestinal tumors, cancer stem cells and circulating tumor cells. Overexpression of CD47 usually predicts a negativ...
Source: Expert Review of Anticancer Therapy - Category: Cancer & Oncology Tags: Expert Rev Anticancer Ther Source Type: research
Conclusions: Our results provided proof of concept for a new combination strategy involving the use of a selective inhibitor of PI3Kδ/γ to inhibit the function of MDSCs to enhance tumor responses to immune checkpoint blocking antibodies. PMID: 31691624 [PubMed - as supplied by publisher]
Source: Immunopharmacology and Immunotoxicology - Category: Allergy & Immunology Tags: Immunopharmacol Immunotoxicol Source Type: research
Skalnikova National cancer databases document that melanoma is the most aggressive and deadly cutaneous malignancy with worldwide increasing incidence in the Caucasian population. Around 10% of melanomas occur in families. Several germline mutations were identified that might help to indicate individuals at risk for preventive interventions and early disease detection. More than 50% of sporadic melanomas carry mutations in Ras/Raf/mitogen-activated protein kinase (MAPK/MEK) pathway, which may represent aims of novel targeted therapies. Despite advances in targeted therapies and immunotherapies, the outcomes in metasta...
Source: Genes - Category: Genetics & Stem Cells Authors: Tags: Review Source Type: research
Conditions:   Pancreatic Adenocarcinoma;   Pancreatic Cancer Intervention:   Biological: Autologous DC vaccine Sponsors:   Baylor College of Medicine;   Cancer Cures for Kids Not yet recruiting
Source: - Category: Research Source Type: clinical trials
Publication date: Available online 7 November 2019Source: Cell ReportsAuthor(s): Hye-Jung E. Chun, Pascal D. Johann, Katy Milne, Marc Zapatka, Annette Buellesbach, Naveed Ishaque, Murat Iskar, Serap Erkek, Lisa Wei, Basile Tessier-Cloutier, Jake Lever, Emma Titmuss, James T. Topham, Reanne Bowlby, Eric Chuah, Karen L. Mungall, Yussanne Ma, Andrew J. Mungall, Richard A. Moore, Michael D. TaylorSummaryExtra-cranial malignant rhabdoid tumors (MRTs) and cranial atypical teratoid RTs (ATRTs) are heterogeneous pediatric cancers driven primarily by SMARCB1 loss. To understand the genome-wide molecular relationships between M...
Source: Cell Reports - Category: Cytology Source Type: research
grave;res J Abstract Immunotherapy has become a standard of care in oncology, following the recent approvals of cytotoxic T-lymphocyte-associated protein-4 and programmed cell death-1 inhibitors in lung cancer, melanoma, renal cell carcinoma, Hodgkin's lymphoma, bladder, head and neck cancers. Besides their efficacy, these agents also generate specific immune-related adverse events. Due to the increasing prescription of immune-checkpoint inhibitors, the incidence of immune toxicity will continue to rise. The awareness of immune-related adverse events is key to ensuring both diagnosis and management of the possible...
Source: Respiratory Care - Category: Respiratory Medicine Authors: Tags: Eur Respir Rev Source Type: research
ACS NanoDOI: 10.1021/acsnano.9b03288
Source: ACS Nano - Category: Nanotechnology Authors: Source Type: research
Authors: Crow J, Samuel G, Godwin AK Abstract Introduction: Immune checkpoint blockade (ICB) has ushered in a new era of cancer therapeutics. The standard for determining which patients might benefit from ICB-based therapies is through the assessment of tumor mutational burden using formalin-fixed paraffin-embedded (FFPE) tumor tissue samples; however, this strategy is imperfect. The discovery of exosomal PD-L1 has placed these nano-vesicles to the forefront of immunotherapy biomarker development. Exosomes and other extracellular vesicles contain proteins and nucleic acids specific to their cell of origin and their...
Source: Expert Review of Molecular Diagnostics - Category: Laboratory Medicine Tags: Expert Rev Mol Diagn Source Type: research
Authors: Merker M, Meister MT, Heinze A, Jarisch A, Sörensen J, Huenecke S, Bremm M, Cappel C, Klingebiel T, Bader P, Rettinger E Abstract Prognosis of refractory childhood cancers despite multimodal treatment strategies remains poor. Here, we report a single center experience encountered in 18 patients with refractory solid malignancies treated with adoptive cellular immunotherapy (ACI) from haploidentical or matched donors following hematopoietic stem cell transplantation. While seven patients were in partial and six in complete remission (CR), five patients suffered from relapsed diseases at the time of ACI...
Source: Oncotarget - Category: Cancer & Oncology Tags: Oncotarget Source Type: research
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