Sentences with phrase «for circulating cell»

Assays and technologies for circulating cell - free DNA analysis continue to improve and advance, but there is still much to do before these can be used for routine clinical use.

Not exact matches

Chicago, GenomeWeb — A new study by researchers from Memorial Sloan Kettering Cancer Center has demonstrated the predictive power of an AR - V7 protein expression test using Epic Sciences» non-EPCAM-based circulating tumor cell detection platform, which could help guide treatment decisions for men with metastatic castration - resistant prostate cancer.
Currently marketed for research use by Biofluidica, the test's microfluidic channels use specific cancer antibodies to detect capture circulating tumor cells.
«This phase III trial will be noteworthy for being the first prostate cancer trial to assess a biomarker, namely AR - V7 in circulating tumour cells, as a predictor of response at the same time as testing the efficacy of the drug,» Prof Taplin will conclude.
This suggests that the presence of AR - V7 in circulating tumour cells does not preclude response to galeterone as has been shown to be the case for abiraterone and enzalutamide.»
When similar analysis was performed on the db mice, it was found that the disrupted db gene was responsible for encoding a protein that functions as a leptin receptor: When it binds circulating leptin at the cell surface, it sets in motion a biochemical cascade inside the cell.
While many researchers are still developing affinity - based techniques for isolating circulating tumor cells, others are exploiting the physical differences between normal and tumor cells.
A research team at the University of California, Riverside has discovered a way for chemotherapy drug paclitaxel to target migrating, or circulating, cancer cells, which are responsible for the development of tumor metastases.
For investigators studying circulating tumor cells, the next step after sampling is to isolate the desired cells as quickly and gently as possible.
«Circulating tumor cells have the advantage that they are... intact living cells,» says Michael Kazinski, senior director and head of global product management for sample technologies at Qiagen in Hilden, Germany.
Now a team of researchers in China has developed a new microfluidic chip that can quickly and efficiently segregate and capture live circulating tumor cells (CTCs) from a patient's blood, with potential applications for cancer screenings and treatment assessments.
«We wanted to utilize platelets» intrinsic tendencies to accumulate at wounds and to interact with circulating tumor cells, for targeted delivery of immune checkpoint inhibitors» said Gu, «Interestingly, we found the antibody can be promoted to release from activated platelets in the surgical site, due to generation of small platelet - derived microparticles upon the platelet activation.
In previous studies, the same group along with others had demonstrated that microRNAs (miRNAs) produced by eukaryotic cells and viruses are present in human blood in highly stable, cell - free forms and these so called circulating miRNAs can serve as non-invasive biomarkers for the early diagnosis of various diseases, including viral diseases.
Adds Liu: «With metastatic cancers accounting for around 90 % of deaths from solid tumors, the hope is that one day a device that can enable the analysis of single tumor cells circulating in the blood could make a big difference in early diagnosis, detection and monitoring of numerous types of cancer, without invasive biopsies.»
Liu's «lab on a chip» is notable for its ability to not only capture tumor cells circulating in the blood, but to «release» those cells as well.
For example, cancer cells floated above denser blood cells, which could allow clinicians to spot rare circulating tumor cells in a patient sample.
Dor's own group reports this week that its technique for tracing the origin of circulating DNA detected the expected type of cell death in people with pancreatic cancer, type 1 diabetes, multiple sclerosis, and brain injuries.
The investigators found even larger reductions in the so - called progenitor cells circulating in the blood of a smaller number of laborers chosen for further study.
The role of rebiopsy and repeat analysis in the setting of post-treatment relapse, along with testing of blood samples for mutations in circulating tumor cells, cell free tumor DNA, or exosomes will be considered.
For many other diseases that boost tissue - specific cell death, circulating DNA had little to offer.
The open structure also allows room for the egg cells to mature and ovulate, as well as blood vessels to form within the implant enabling the hormones to circulate within the mouse bloodstream and trigger lactation after giving birth.
«This technology allows for the labeling of just one circulating pathological cell among billions of other normal blood cells by ultrafast changing color of photosensitive proteins inside the cell in response to laser light,» explains Dr. Galanzha.
An impermeable shield of endothelial cells that protects our brains from toxins and other threats that may lurk in circulating blood, the barrier can also exclude therapeutic drugs and, at times, essential biomolecules required for healthy brain development.
Now, a new approach developed by Dr. Ekaterina Galanzha of the University of Arkansas for Medical Sciences in Little Rock and her colleagues allows for labeling and tracking of individual circulating cancer cells throughout the body, thereby helping researchers elucidate the pathways of single cells from start to finish.
Researchers have for the first time developed a technique that coats anticancer drugs in membranes made from a patient's own platelets, allowing the drugs to last longer in the body and attack both primary cancer tumors and the circulating tumor cells that can cause a cancer to metastasize.
«These immature myeloid cells appear as a main source of circulating suPAR,» says Jochen Reiser, MD, PhD, principal investigator and senior author of the study presented in Nature Medicine, who has been working on solving the mysteries of suPAR for more than a decade.
Different types of tumors show a preference for specific organs and tissues; circulating breast cancer cells, for example, are likely to take root in bones, lungs, and the brain.
That makes telomere length particularly important for the cells of our immune system, especially the white blood cells circulating in our bloodstream.
The prognosis for metastatic cancer (also called stage IV cancer) is generally poor, so a technique that could detect these circulating tumor cells before they have a chance to form new colonies of tumors at distant sites could greatly increase a patient's survival odds.
The cells then produce more of what the genes code for: cytokines, which are messenger molecules that circulate in the blood and activate immune cells.
T cells, which circulate in the blood, are an obvious candidate for medical applications of the technology, as these cells not only stand at the center of many disease processes, but could be easily gathered from patients, edited with CRISPR / Cas9, then returned to the body to exert therapeutic effects.
Berkeley researchers isolated circulating tumor cells from the blood of breast cancer patients, then used microscale physics to design a precision test for protein biomarkers, which are indicators of cancer.
So my field is science and technology, so my work is circulating tumor cells where I isolate cancer cells from blood of patients and isolate their DNA and RNA and try to sequence them and try to device treatments for cancer treatment and therapy.
Houston Methodist researchers led by Dario Marchetti, PhD, have developed a blood test that can identify circulating tumor cells to predict breast cancer patients at risk for developing brain metastasis.
«Circulating tumor cellscells from a tumor that have escaped into the bloodstream with the potential to spread into other tissues — are extremely useful for assessing a patient's disease in order to select the most appropriate treatment,» said UBC mechanical engineering professor Hongshen Ma, the lead researcher.
Working with Boise State biology professor Cheryl Jorcyk, he is looking for ways to put antibodies on the surface of the liposome, allowing them to recognize and attack cancer cells that are circulating in the body.
The Berkeley researchers then analyzed each circulating tumor cell for the specific panel of cancer proteins.
The technique, described in Biomaterials, uses gold nanoparticles and Raman scattering, a technology previously developed by Qian and Nie for cancer cell detection (2007 Nature Biotech paper, 2011 Cancer Research paper on circulating tumor cells).
By integrating the sequence data and the associated metadata, we have established laboratory and bioinformatics - based methods that enable us to investigate scientific questions including: the tropism of ZIKV for dendritic cells and the antiviral response of the cells during infection (Bowen et al. 2017); investigating the phylogenetic diversity of strains obtained by Biodefense and Emerging Infections (BEI) Resources and distributed to virologists (manuscript in preparation); the genetic determinants of ZIKV host adaptation in C6 / 36 mosquito vs. Vero cells; and the diversity of ZIKV circulating in limited geographic regions, including Barbados, Colombia, and the state of Chiapas, Mexico.
Circulating cell - free DNA (cfDNA) isolated from plasma or serum by noninvasive procedures can serve as a «liquid biopsy» and has potential as a biomarker for the tumor burden and survival prediction of breast cancer (BC).
UQ's Australian Institute for Bioengineering and Nanotechnology (AIBN) PhD student Jing Wang says the simple nanotechnology looked at changes in circulating tumor cells, which could indicate whether a cancer is attempting to spread and reveal its response to treatment.
In this study, we have developed a new sensitive and specific one step rRT - PCR for detection of ZIKV in serum and cell culture supernatants using a Taqman probe containing locked nucleotides, in the NS5 region of ZIKV genome using sequences of ZIKV strains circulating in Africa and Asia.
Professor Dive's exhibit was designed to introduce visitors to the concept of circulating tumour cells (CTCs) and how liquid biopsies could hold the key for better diagnosis and treatment of lung cancer.
DENVER — Three manuscripts published in the recent issue of the Journal of Thoracic Oncology, the official journal of the International Association for the Study of Lung Cancer (IASLC), explored the versatility of liquid biopsies by identifying EGFR mutations using circulating tumor DNA (ctDNA) in urine and plasma and examining circulating tumor cells (CTCs) in plasma to predict the risk of lung cancer recurrence after surgical resection.
Blood Biomarkers Identified in Drug - Resistant Cancer Tumor Cells November 2016 While searching for a non-invasive way to detect prostate cancer cells circulating in blood, Duke Cancer Institute researchers have identified some blood markers associated wiCells November 2016 While searching for a non-invasive way to detect prostate cancer cells circulating in blood, Duke Cancer Institute researchers have identified some blood markers associated wicells circulating in blood, Duke Cancer Institute researchers have identified some blood markers associated with...
Methods for detecting tumor cells and DNA circulating in bodily fluids are currently under intense investigation for early detection and cancer diagnostics; however, no existing technology meets the high sensitivity and specificity requirements needed to attain these goals.
A technique already developed by Dr. Simeone's research team, in collaboration with Dr. Sunitha Nagrath, for isolating circulating tumor cells was the foundation for this novel approach to personalized therapeutics.
Oncologists have suspected for several decades that metastasis usually requires a transition between sticky epithelial cells, which make up the bulk of solid tumors, and thinner, more mobile mesenchymal cells that are often found circulating solo in cancer patients» bloodstreams.
For example, Elaine Hsiao, a biologist at the University of California, Los Angeles, recently observed that microbes in a healthy colon drive intestinal cells to produce the neurotransmitter serotonin, which then circulates in the blood.
Analysis of circulating cell - free DNA (cfDNA) reveals reversion mutation heterogeneity not discernable from a single solid - tumor biopsy and potentially allows monitoring for the emergence of PARPi resistance.
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