The role of apoptosis defects in malignant mesothelioma pathogenesis with an impact on prognosis and treatment

In conclusion, extensive genetic alterations exist in mesotheliomas associated with the signaling of apoptotic HM cells death. The comprehension of these pathways may contribute to enhancing survival via developing new effective therapeutic strategies.
Source: Cancer Chemotherapy and Pharmacology - Category: Cancer & Oncology Source Type: research

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A research team from the Duke University Medical Center and the Massachusetts Institute of Technology has uncovered a new compound with potential to make chemotherapy more effective in treating various cancers. The small-molecule inhibitor drug — JH-RE-06 — showed an ability to better-sensitize tumors to Cisplatin, the popular chemotherapy drug most often used for mesothelioma cancer patients. When combined with Cisplatin, the drug also showed an ability to prevent those tumor cells from becoming treatment resistant, a common problem with this rare cancer caused by asbestos exposure. The research was done on l...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
ConclusionWe conclude that diaphragm interventions are an essential part of CRS. They are associated with increased perioperative morbidity. This morbidity is not attributable to whether the patient underwent diaphragm stripping or resection. However in mesothelioma and LAMNs, requiring diaphragm resection is likely to be an indicator for tumor aggression.
Source: The American Journal of Surgery - Category: Surgery Source Type: research
The National Cancer Institute has opened a clinical trial using mesothelioma patients and their family members to explore predisposition to the cancer and potential solutions to negating it. The trial is a follow up to an earlier study of a genetic mutation that creates susceptibility to various cancers but a longer-than-normal survival with platinum-based chemotherapy treatment. “This is an important, long-term study that could have implications not only for a patient, but for family members, too,” Dr. Raffit Hassan, NCI senior investigator told The Mesothelioma Center at Asbestos.com. “Progress can be m...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
Survival from malignant mesothelioma, particularly pleural mesothelioma, is very poor. For patients with breast, ovarian, or prostate cancers, overall survival is associated with increased sensitivity to platinum chemotherapy due to loss-of-function mutations in DNA repair genes. The goal of this project was to evaluate, in patients with malignant mesothelioma, the...
Source: Proceedings of the National Academy of Sciences - Category: Science Authors: Tags: Biological Sciences Source Type: research
Joe Abdo1, Christopher S. Wichman2, Nicholas E. Dietz1,3, Pawel Ciborowski4, John Fleegel1, Sumeet K. Mittal1,5 and Devendra K. Agrawal1* 1Department of Clinical and Translational Science, Creighton University School of Medicine, Omaha, NE, United States 2Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, United States 3Department of Pathology, CHI Health Creighton University Medical Center, College of Medicine, Omaha, NE, United States 4Department of Pharmacology, University of Nebraska Medical Center, Omaha, NE, United States 5Norton Thoracic Institute, St....
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
chel L O’Donnell Dysfunctional homologous recombination DNA repair (HRR), frequently due to BRCA mutations, is a determinant of sensitivity to platinum chemotherapy and poly(ADP-ribose) polymerase inhibitors (PARPi). In cultures of ovarian cancer cells, we have previously shown that HRR function, based upon RAD51 foci quantification, correlated with growth inhibition ex vivo induced by rucaparib (a PARPi) and 12-month survival following platinum chemotherapy. The aim of this study was to determine the feasibility of measuring HRR dysfunction (HRD) in other tumours, in order to estimate the frequency and hence wid...
Source: Cancers - Category: Cancer & Oncology Authors: Tags: Article Source Type: research
ConclusionsOur findings revealBAP1 to be a potential, easily trackable prognostic and predictive biomarker for PeM immunotherapy that refines PeM disease classification.BAP1 stratification may improve drug response rates in ongoing phases I and II clinical trials exploring the use of immune checkpoint blockade therapies in PeM in whichBAP1 status is not considered. This integrated molecular characterization provides a comprehensive foundation for improved management of a subset of PeM patients.
Source: Genome Medicine - Category: Genetics & Stem Cells Source Type: research
University of Leicester researchers soon will open the first molecularly stratified clinical trial for malignant mesothelioma with the hope of moving the future of treatment toward more personalization. The phase II trial in the United Kingdom is designed to match therapy with a patient’s specific genetic profile. “We’re trying to bring the right drug to the right patient at the right time,” Professor Dean Fennell, chair of thoracic medical oncology at Leicester and chief trial investigator, told Asbestos.com. “We need to find different treatments that work for different people. This is a step...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
Researchers at the Stanford University School of Medicine believe a patient-specific stem cell vaccine could become part of mesothelioma treatment — and possibly prevention — in the future. The belief stems from their recent study that demonstrated a consistent immunologic response with genetically-altered stem cells in laboratory mice carrying particular cancer cells. “This could potentially play a role for a large group of — if not all — cancers,” Dr. Joseph Wu, director of the Stanford Cardiovascular Institute, told Asbestos.com. “We envision it potentially being used as a vacci...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
AbstractMalignant pleural mesotheliomas (MPM) are most often surgically unresectable, and they respond poorly to current chemotherapy and radiation therapy. Between 23 and 64% of malignant pleural mesothelioma have somatic inactivating mutations in the BAP1 gene. BAP1 is a homologous recombination (HR) DNA repair component found in the BRCA1/BARD1 complex. Similar to BRCA1/2 deficient cancers, mutation in the BAP1 gene leads to a deficient HR pathway and increases the reliance on other DNA repair pathways. We hypothesized that BAP1-mutant MPM would require PARP1 for survival, similar to the BRCA1/2 mutant breast and ovaria...
Source: Cancer Chemotherapy and Pharmacology - Category: Cancer & Oncology Source Type: research
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