First, although it was possible to characterize the relative proportion of mononuclear white blood cell types in the blood samples provided using the techniques developed by Accomando et al. (2014) and Houseman et al. (2012) to characterize cell type variation, and we found that protective parenting was associated with the relative proportion of monocytes in the mononuclear white
blood cell sample, that proportion was not associated with youth reports of their health in young adulthood.
Not exact matches
Acquiring high - definition images of every cancer
cell found in a
blood sample, making characterization at single -
cell resolution possible.
The third order (lower scale) is common for these 2 dosing and high - multiple
blood -
sampling days (days 1 and 8), with each
cell on the time axis representing 1 h.
Many tumors release
cells with distinctive antigens on their surfaces, and affinity - based techniques can pull these
cells out of the
blood sample relatively easily.
Vortex's system uses a microfluidic chip to generate tiny vortices that trap larger, more deformable cancer
cells from a
blood plasma
sample.
In
blood samples from these patients, the researchers found an increase in the percentage of gamma delta T
cells, similar to what they observed in mice, which remained stable over years.
Users simply collect a
blood sample from a patient, feed it into the device, and retrieve any purified tumor
cells a few hours later.
«In effort to treat rare blinding disease, researchers turn stem
cells into
blood vessels: Patients around the world contribute skin
samples to test potential new therapy.»
Researchers used tissue and
blood samples to show that the gammopathy (a precursor to myeloma) in both mice and patients with Gaucher disease is triggered by specific lipids, and that the antibodies made by tumor
cells in nearly a third of myeloma patients are directed against such lipids.
Studying such diseases is a good first step because they are cancers of immune
cells themselves, and it's possible to analyze them with a mere
blood sample.
A skin biopsy on the girl's larger leg found 5 % of
cells in that
sample had the same abnormality, even though her
blood sample was clean.
These techniques include: human tissue created by reprogramming
cells from people with the relevant disease (dubbed «patient in a dish»); «body on a chip» devices, where human tissue
samples on a silicon chip are linked by a circulating
blood substitute; many computer modelling approaches, such as virtual organs, virtual patients and virtual clinical trials; and microdosing studies, where tiny doses of drugs given to volunteers allow scientists to study their metabolism in humans, safely and with unsurpassed accuracy.
Researchers are developing many different versions of CAR - T
cell therapies, but the basic premise is the same: Doctors remove a patient's T
cells (immune system
cells that attack invaders) from a
blood sample and genetically modify them to produce artificial proteins on their surfaces.
«A personalised immunotherapy was prepared for each patient by taking a
sample of their
blood and extracting a particular type of immune
cell called dendritic
cells.
[Chinedu Nwokoro et al., «Inhaled black carbon in the lower airways of London cyclists»] Researchers at the London School of Medicine collected sputum
samples from healthy non-smokers who walk or bike to see how much black carbon was in airway macrophages — a type of white
blood cell that takes in foreign material.
So far Kajander and his colleagues have found the nanobacteria in cattle
blood, in 80 % of
samples of commercial cow serum in which mammalian
cells are grown in the lab, and in the
blood of nearly 6 % of more than 1000 Finnish adults tested.
However, Japanese scientists led by stem -
cell pioneer Shinya Yamanaka are doing exactly that, he says, creating a bank of stem
cells derived from cord -
blood samples from Japanese
blood banks.
In their investigation, Greaves and colleagues discovered incipient cancer
cells in routine
blood samples taken from the child at birth, strongly suggesting that the transmission happened in utero.
Current genome sequencing techniques involve the chemical disintegration of
samples of red
blood cells from infected patients to obtain parasite DNA, which are then sequenced.
They checked that the viral gene fragments in the child and mother were a close match, and double - checked that the
samples of
blood cells from the child were his and no one else's, by matching them genetically with the mother.
The newly invented technique utilises a high - throughput fluorescence scanning approach — if antibodies or drugs fail to prevent the invasion of the red
blood cell by the malaria parasites, the
sample will light up.
But with this technique, we can just take a small
sample of non-muscle tissue, like skin or
blood, revert the obtained
cells to a pluripotent state, and eventually grow an endless amount of functioning muscle fibers to test.»
Finding out involves passing a
sample of
blood through a microfluidic device, in whose tiny channels cancer
cells can be captured and identified.
With a miniscule
blood sample, the HemeChip, a micro-electrophoretic device, examines and identifies hemoglobins, including hemoglobinopathies sickle
cell anemia (HbSS), sickle trait (HbAS) and SC disease (HbSC).
New markers suggested include total mass of hemoglobin, altered expression of genes related to red
blood cell metabolism, ironomics, storage lesions, and the presence of plasticizers from
blood bags in athlete urine
samples.
Blood analyzers currently on the market measure hemoglobin by chemically rupturing the red blood cells in a sa
Blood analyzers currently on the market measure hemoglobin by chemically rupturing the red
blood cells in a sa
blood cells in a
sample.
In research funded by Sparks charity, Great Ormond Street Hospital Children's Charity and Cancer Research UK, researchers at the University of Cambridge have developed a test for
blood and cerebrospinal fluid
samples that looks for a specific panel of four pieces of short genetic code known as microRNAs, which are found in greater quantities in malignant germ
cell tumours.
Over the course of three years, Horvath and his team analyzed nearly 8,000 tissue
samples from these datasets, which included
blood, saliva and
cells from organs like the brain and the colon.
Schiffman and his team conducted another series of experiments in the laboratory on
blood samples from adult African elephants to find how these genes respond to DNA damage in the elephant
cells.
By varying the compositions of lipids, cues, and diffusible factors in the scaffolds, we engineered a very versatile and flexible platform that can be used to amplify specific T
cell populations from
blood samples, and that could be deployed in existing therapies such as CAR - T
cell therapies,» said Mooney, Ph.D., a Core Faculty member at the Wyss Institute and leader of its Immunomaterials Platform.
Researchers have used radioimmunotherapy (RIT) to destroy remaining human immunodeficiency virus (HIV)- infected
cells in the
blood samples of patients treated with antiretroviral therapy, offering the promise of a strategy for curing HIV infection.
But about 20 years ago, researchers started noticing that the levels of cytokines and T -
cells, which help drive immune responses and secrete cytokines, were higher instead of lower in
blood samples from people diagnosed with depression.
The team compared a
sample of fresh red
blood cells with
cells that looked spiky because their energy stores had been depleted.
Researchers of KIT and the Center for Nanotechnology (CeNTech), Münster, have now developed a clinical method to reliably detect and isolate single cancer
cells in
blood samples in cooperation with the University Hospital of Hamburg - Eppendorf (UKE).
The team's next avenue of research will be focused on identifying a «biomarker» that can identify this distinct suppressive
cell elsewhere in the body — for example, in
blood or other
samples — as a potential predictive clinical tool to determine when these
cells are present in patients, which currently can not be done.
The team used a statistical model of T
cell receptor formation to analyze receptor DNA sequences in
blood samples from adult pairs of identical twins.
Cheng, an assistant professor of medicine in hematology / oncology at Feinberg, provided the
cell lines and NanoFlare targets the researchers used to model
blood samples taken from breast cancer patients.
Many medical tests require
samples of plasma without components like red and white
blood cells, including those for cholesterol and glucose levels and immune deficiencies.
In a comprehensive and complex molecular study of
blood samples from Ebola patients in Sierra Leone, published in
Cell Host and Microbe, a scientific team led by the University of Wisconsin - Madison has identified signatures of Ebola virus disease that may aid in future treatment efforts.
After 3 months, the researchers drew
blood samples from the monkeys, purified five different types of immune
cells, and measured gene expression across their entire genomes.
The research team used
blood samples taken daily throughout the patient's hospitalization and recovery to measure the rise and decline of virus replication inside white
blood cells and serum and to track the timing, intensity and duration of expression of numerous immune system genes.
«Our circulating tumor
cell device can release a tumor
cell captured from a
blood sample, enabling single
cell analysis,» says Liu.
CEPH's idea was to develop a reference panel of large families, taking
blood samples from each of their members to build up a
cell bank for genetic typing.
Toner pumped
samples of whole
blood through the channels, which were coated with an antibody designed to trap any cancer
cell that carries a common surface protein, much as flypaper snags pesky insects.
The researchers identified the LSC17 score by
sampling the leukemia stem
cell properties of
blood or bone marrow
samples from 78 AML patients from the cancer centre combined with molecular profiling technology that measures gene expression.
Capture experiments were also performed on whole
blood samples, and the capture efficiency was in a high range of 81 - 95 %, at different tumor
cell concentrations.
Palsson and his team were interested in red
blood cells because they are the simplest human
cells and are readily available from
blood samples.
For example, cancer
cells floated above denser
blood cells, which could allow clinicians to spot rare circulating tumor
cells in a patient
sample.
To make the vaccine, researchers took a
sample of a patient's tumors, which in this trial were made up of B
cells (white
blood cells that help the body battle disease and infection).
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.