Sentences with phrase «cell samples obtained»

Cytology is the microscopic examination of cell samples obtained by aspiration techniques.

Cytology is the microscopic examination of cell samples obtained by needle aspiration.

3/24/2008 Non-Invasive Imaging Provides Window Into Genetic Properties of Brain Tumors Doctors diagnose and prescribe treatment for brain tumors by studying, under a microscope, tumor tissue and cell samples obtained through invasive biopsy or surgery.

For the study, conducted as part of the doctoral thesis of Mahesh Raundhal, a graduate student in the laboratory of Prabir Ray, Ph.D., Pitt professor of medicine and co-senior author, the research team examined lung cell samples obtained from patients also participating in the Severe Asthma Research Program (SARP), a National Heart, Lung, and Blood Institute of the National Institutes of Health - sponsored program to improve the understanding of severe asthma.

Not exact matches

Rather than obtaining meat from animals raised on environmentally destructive factory farms and slaughtered in filthy slaughterhouses, clean meat is produced by taking a small sample of animal cells and replicating them in a culture outside of the animal.

Rather than obtaining meat from animals raised on environmentally destructive factory farms and slaughtered in filthy slaughterhouses, clean meat is produced by taking a small sample of animal cells and replicating them in a culture outside of the animal.

Total urinary As was measured by collision cell ICP - MS using germanium as an internal standard.30 Arsenic species were obtained by a high - performance liquid chromatography GP50 pump (Dionex Corp) and a PRP100X column (Hamilton Co) connected to a collision cell ICP - MS.29, 31 - 33 Approximately 10 % of samples were run in duplicate for both analyses.

The approach is particularly helpful for producing cells that can not be obtained from patient samples, such as brain cells.

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.

From tissue and cell samples from five glioblastoma patients, the scientists obtained 33 individual cancer cells capable of reproduction, which grew into very different tumors in the lab.

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.»

The information on how hydrogen diffuses in metals is usually obtained from electrochemical measurements of the rate of hydrogen permeation through a sample being usually a membrane separating two independent electrolytic cells.

One uses primary hepatocytes obtained from livers donated for transplant; the second uses stem cells derived from human skin samples and guided into hepatocyte - like cells, Bhatia says.

«Now we can take easy to obtain blood samples, and make the main cell types of neurological systems — the central nervous system and the peripheral nervous system — in a dish that is specialized for each patient,» said Bhatia.

Information obtained via single - cell sequencing from cells sampled from each core indicate the likely location of a cancerous tumor (dotted lines encompassing cores 2, 3 and 6).

The study of human astrocytes has faced issues related to access (samples of living tissue must be obtained from brain cancer or epilepsy surgeries or fetal tissue) and purification (breaking apart astrocytes away from other cells often killed them and many experiments ended in failure).

The rate of JAK2 amplification in these tissues was similar to samples obtained after chemotherapy, suggesting that JAK2 plays a supporting role in drug resistance and cancer stem cell - like features.

But the scientists can't be certain these cells are perfect matches for native human motor neurons since it's difficult to obtain samples of cultured motor neurons from adult individuals.

The first step was determining how to obtain healthy samples of this specific type of cell.

Today, the patient must first visit healthcare unit where a trained nurse obtains a venous blood sample, which is sent to a lab for separation of plasma and blood cells.

While evidence obtained in our and other laboratories strongly suggests that H. pylori triggers a transcriptional response, epigenetic alterations and DNA damage in infected cells, most of the data supporting these findings rest on fragmentary analyses of clinical samples and cells infected in vitro.

Malaria and sickle cell samples were obtained from patients confirmed to have each disease.

We compared the cell - fractions of pre - and post-mortem samples globally using the Anderson — Darling test53 and by cell - type obtaining a p - value using the two - sided Wilcoxon Rank - Sum test54, adjusted to multiple - testing by Benjamini — Hochberg method44.

These cells circulate throughout the body and can be readily obtained from a blood sample.

For each sample, single HSCs were isolated and grown into colonies of homogenous cells to obtain enough DNA for exome sequencing.

This system is used to obtain the percentage of cells in each phase (G0 / G1, S and G2 / M) of the cell cycle for each sample.

Oocytes, cumulus cells and frozen embryos were collected from Stanford Fertility and Reproductive Medicine Center after approval by the Stanford Institutional Review Board (IRB); all samples were obtained with written informed consent from all participants involved in the study.

This means that, where appropriate, consent and ethical approval must be obtained from research participants before using their samples, and ethical approval from the National Research Ethics Service (NRES) must be obtained for the storage and use of material that contains human cells (defined in the Act as «relevant material»), at the Sanger Institute.

They went on to show that Sox10, a factor needed for the formation of skin pigment cells from neural crest stem cells during development, was present at high levels in naevi and melanoma samples obtained from both the mouse model and human patients.

The gelatinolytic assays were carried out in two different ways to obtain complementary information: firstly, cells were treated or not with the test compound and samples from these were submitted to gelatinase zymography to detect the effects of the kahweol treatment on the expression of gelatinase activities; secondly, in some experiments, samples from control, untreated HT - 1080 fibrosarcoma cells were submitted to zymography and, after electrophoresis, different concentrations of kahweol were added to the substrate buffer to determine the potential direct effect of kahweol on gelatinase activity.

Participants will fill out a questionnaire about tobacco and alcohol use as well as sexual behavior, and cell samples for HPV testing will be obtained from the throat with a «swish and spit» technique.

PNB lifetime - probability of generation diagrams obtained for the cell samples.

For sperm count measurements, a sample of sperm was diluted 1/10 in Milli - Q water, and 10 μl were placed on a Bürker chamber to obtain sperm cell concentration (million spermatozoa / ml).

The Barcode database provides gene expression information about thousands of mouse and human samples from different normal and cancerous cells / tissues obtained pre - or postnatally.

Furthermore, multiplexing capabilities are highly desirable to obtain comprehensive, single - cell - level co-expression information and to maximize the use of limited biopsied sample material.

Platelet - rich plasma is obtained via a process called centrifugation that removes red and white blood cells from a blood sample while leaving behind a high concentration of platelets in the plasma.

The researchers obtained bone marrow samples from patients prior to chemotherapy, and from those samples drew both leukemia cells and immune system cells.

In order to identify why the gland is enlarged (which hormone is likely to be implicated, whether there is infection or whether a malignant tumor is present), it is necessary to obtain a sample of the tumor cells.

Depending on which lung lobe is selected, the doctor will then «wash» the lungs with sterile saline and then suction the wash fluid back to obtain cells for cytology and a sample for culture.

Manipulation of mast cell tumors, for example, when obtaining samples, can cause the release of chemicals (such as histamine) stored in the cells.

Samples of tissues can thus, be obtained by performing a bronchial wash which will typically be filled with large amounts of white blood cells as well as bacteria and other microorganisms.

Cytology (microscopic evaluation of cells) on samples obtained by «scraping» the cornea and / or lining of the eye (coniunctiva).

Arrested and temporarily handcuffed to a steel pipe in a jail cell, police ordered Saeed to swab his penis so they could obtain a sample of the complainant's DNA.