Sentences with phrase «tumor samples from»

A limitation of this study is the small sample size, limited to tumor samples from patients treated for thyroid cancer at Penn State Health Milton S. Hershey Medical Center.
Looking at tumor samples from people verified to have lived in the areas around TMI at the time of the accident, remained in the area, and subsequently developed thyroid cancer, researchers observed a shift in cases to cancer mutations consistent with radiation exposure from those consistent with random causes.
This novel vaccine encodes the tumor antigen TERT, which is highly expressed in tumor cells, and is particularly high in tumor samples from patients with mutations in DNA damage repair pathways, such as the BRCA1 / BRCA2 pathway.
In tumor samples from PTCL - NOS patients, a significantly lower fraction of nuclear H3K4me3 positivity (+ + + ~ + + + +, 30 %) was observed in cases with the KMT2D mutation than in those without mutations.
«The end game is to take the guesswork out of chemotherapy, with a clinical test that will assess dozens of drugs and drug combinations against tumor samples from each patient.»
Bottom Line: Bacterial load was significantly higher in pancreatic tumor samples from patients with pancreatic ductal adenocarcinoma compared with pancreatic tissue from normal individuals, and in studies using mice, eliminating certain «bad» bacteria slowed the growth of pancreatic cancer, reversed immune suppression, and upregulated the immune checkpoint protein PD1.
The scientists extensively studied 28 tumor samples from children with medulloblastoma, surveying each tumor for details about how its genes are turned on and off.
The researchers took healthy tissue and tumor samples from mice, and trained the nanoparticle - GFP sensors to recognize the bad cells, and for the GFP to fluoresce in the presence of metastatic tissues.
Their theory was first confirmed with ovarian cancer cell lines and then the Peter / Lengyel team tested HGMA2 protein levels in tumor samples from 100 patients with ovarian cancer.
Charles Swanton, a cancer geneticist at the Francis Crick Institute in London, and colleagues analyzed 1,206 clear - cell renal cell carcinoma (ccRCC) tumor samples from 101 patients as part of the Tracking Cancer Evolution through therapy (TRACERx) program.
The project would also save money by gathering tumor samples from completed clinical trials and observational studies, as well as by piggybacking on planned studies.
Searching for T cells that had infiltrated the tumors, they collected as many as 50 T cell samples from a single tumor; next, the team tested each batch of T cells against other tumor samples from the same patient.
As a next step, Guha, Avadhani and colleagues plan to extend this study to in vivo mouse models and will also investigate these mechanisms in tumor samples from human breast cancer patients.
«This broad implication is in contrast to a more traditional vaccine - based approach, which requires a specialist to surgically remove tumor samples from a patient's body then create a personalized vaccine approach for one specific patient.»
To explore this idea, Hopkins oncologists Dung Le, Luis Diaz, and others looked for mismatch repair mutations in tumor samples from patients with advanced colon cancer and other cancer types whose tumors had stopped responding to other treatments.
Thirty companies and academic groups will receive the same set of tumor samples from individual patients and will try to predict the best neoantigens.
In a landmark paper, Cancer Research UK funded scientists alongside an international team of researchers read all of the DNA in tumor samples from 10 men with prostate cancer.
The researchers studied 24 tumor samples from breast cancer patients after the samples were transplanted into mice.
For this study the authors studied tumor samples from 111 patients treated at the Instituto Nacional de Enfermedades Neoplásicas (INEN), in Lima, Perú.
To search for other characteristics of ccRCC tumors that influences immunotherapy response or resistance, the researchers used whole - exome DNA sequencing to analyze tumor samples from 35 patients treated in a clinical trial with the checkpoint blocker nivolumab (Opdivo).
Working in mouse models of breast cancer and breast tumor samples from patients, Longmore and his colleagues showed that a protein that sits on the surface of tumor cells, called DDR2, binds to collagen and activates a multistep pathway that encourages tumor cells to spread.
Analysis of liver tumor samples from patients showed that NRF2 expression correlated with tumor metastasis.
«Furthermore, analysis of tumor samples from large cohorts of colorectal cancer patients revealed that activation of the loop is associated with metastasis,» Hermeking reports.
Using all the existing data that was available, Andrechek, along with MSU doctoral student Daniel Hollern, analyzed 1,172 mouse mammary tumor samples from 26 different preclinical models and was able to compile one of the largest databases to show which strains of mice were best suited to study a particular type of human breast cancer.
The mesothelioma caused by long carbon nanotubes mice was in many ways similar to tumor samples from patients.
«We used biopsied tumor samples from DIPG patients to create models in the lab, which we studied and then used to test a novel, targeted approach to treating the tumor.
A multicenter team of researchers reports that a full genomic analysis of tumor samples from a small number of people who died of pancreatic cancer suggests that chemical changes to DNA that do not affect the DNA sequence itself yet control how it operates confer survival advantages on subsets of pancreatic cancer cells.
To better understand the formation of metastases in pancreatic cancer, Christine Iacobuzio - Donahue, M.D., Ph.D., professor of pathology at Memorial Sloan Kettering Cancer Center, collected tumor samples from eight patients with the most common form of pancreatic cancer (pancreatic ductal adenocarcinoma) immediately after their deaths.
Nana - Sinkam and his colleagues examined lung - tumor samples from 81 patients with stage - 1 nonsmall - cell lung cancer and tumor - cell lines.
To see whether Lin28 might be a factor in Wilms tumor development, Daley and an international team of collaborators measured the gene's expression in tumor samples from 105 Wilms patients.
Using tumor samples from the Women's Healthy Eating and Living clinical trial, researchers identified stem - like tumor cells as being characterized by low levels of the molecule p53 upregulated modulator of apoptosis (PUMA).
Using tumor samples from a patient, they do lab tests to determine which substances can first make the different types of cancer cells uniform and then effectively kill them.
The finding, reported by a Stand Up to Cancer - Prostate Cancer Foundation Dream Team in the May 21 edition of the journal Cell, is based on an analysis of tumor samples from 150 men with metastatic prostate cancer that no longer responded to standard hormone - blocking therapy.
The investigators looked at 4,278 tumor samples from a tissue repository of patients with GI tract cancers.
To that end, in collaboration with the University of Zurich and MD Anderson Cancer Center, the researchers tested melanoma tumor samples from human patients undergoing treatment with the same targeted therapies.
«This gives us novel and exciting new therapeutic options to pursue based on results from drug screenings of primary tumor samples from patients.»
She has sequenced hundreds of tumor samples from across the island in an effort to understand how it evolves and how that affects the devils» survival rates.
This study analyzed preserved tumor samples from 43 prostate cancer patients who later received radiation therapy after rising PSA levels were detected following a radical prostatectomy.
«In the tumor sample from a patient with high NRP - 1 expression, there was a significant improvement in the efficacy of the nanoparticle to induce tumor shrinkage,» said Nel.
Perhaps the most intriguing — and contentious — finding of the paper (as highlighted by GT's In Sequence magazine and Keith Robison on Omics Omics) was that few of the somatic mutations in the metastasis were detected in the primary tumor sample from 9 years earlier.

Not exact matches

To determine how the cells switch from one type to another, they took three human uterine carcinosarcoma samples and sequenced the genomes of cells in two parts of each tumor: the carcinoma and sarcoma components.
For example, TCGA, with genomic data on 33 tumor types taken from samples from 11,000 patients, is finishing 2018 by publishing a series of papers and holding a symposium.
Two dozen experienced pathologists from seven countries and four continents independently reviewed 268 tumor samples diagnosed as EFVPTC from 13 institutions.
The focus of those hopes is the liquid biopsy: a test that could detect and analyze a solid tumor from biomarkers in the bloodstream or other easily sampled body fluids, such as saliva.
Even after initial purification of the sample, liquid biopsies typically contain much more nucleic acid from healthy cells than from tumors.
Users simply collect a blood sample from a patient, feed it into the device, and retrieve any purified tumor cells a few hours later.
HBI member V. Wee Yong, PhD and research associate Susobhan Sarkar, PhD, and their team including researchers from the Department of Clinical Neurosciences and the university's Southern Alberta Cancer Research Institute, looked at human brain tumor samples and discovered that specialized immune cells in brain tumor patients are compromised.
To more accurately reflect the mechanisms driving oligodendrogliomas, the researchers used RNA sequencing to study directly, on a single - cell level, gene expression in samples from six early - stage human tumors.
In blood samples from 1005 patients with eight types of tumors that had evidently not yet metastasized, the test detected between 33 % and 98 % of cases, depending on the tumor type (see graph, above).
The team looked at tumor samples taken from 314 patients diagnosed with DCIS.
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