Sentences with phrase «number of patient samples»

Because many diseases are exceedingly rare, it is unlikely that one investigator will be able to collect a sufficient number of patient samples to reliably pinpoint disease genes.

Not exact matches

The researchers are analyzing more patient samples looking for additional cases of multiple copy number variants to continue their investigation of what may trigger this rare phenomenon.

The Stanford team found, however, that mitochondrial DNA levels were significantly elevated in plasma samples from a small number of HD patients.

The MGH team has assembled a large number of DNA samples from HD patients who contributed them for research to the Massachusetts HD Center Without Walls and through collaboration with the Huntington Study Group.

In addition, the researchers looked at brain samples of deceased patients with MS and found increased numbers of GM - CSF - producing cells in comparison to normal brain samples.

This is due to the fact, that the number of pathogens in a patients sample is too small to conduct tests.

Researchers have found that just five strains are overwhelmingly the culprits in more than 3000 samples of resistant S. aureus collected from patients around the world; the small number suggests that relatively few strains can easily develop resistance to antibiotics, allowing scientists to focus on these few and determine what makes them so virulent.

They sampled fluid from 20 patients with a long history of schizophrenia, 35 individuals that had recently developed the disorder, and a number of different control groups.

The assay was implemented in five countries and tested using a large number of clinical samples from travelers and patients living in areas with a high level of exposure to Zika virus and other flaviviruses.

«There are a number of possible explanations for the relationship found between food allergy diagnosis and increased social anxiety issues in this sample of pediatric patients,» noted Dr. Goodwin.

They found strains of Streptococcus in throat samples from a number of patients but eliminated it as the cause of death after finding the same strains in samples from children with other symptoms.

The start of each project will depend on a number of factors, including the strategic selection of specific diseases and the availability of patient samples with appropriate informed consent.

The total number of patient and control samples analyzed in the study was 3430 and 2675, respectively.

But Reid cautioned that the small patient sample and the small number of genes analyzed means that the results should be considered preliminary until a larger study is done.

Using this technology, we screened 31 patient samples across an array containing a total of 162 exons for five disease genes and detected copy - number changes, ranging from whole - gene deletions and duplications to single - exon deletions and duplications, in 100 % of the cases.

Additionally, we clarified the role of iNKT cells in human asthma by carefully enumerating cell numbers in airway samples from asthma and COPD patients.

«To confirm whether patients have a bacterial infection of the respiratory tract, doctors currently have to take a number of different samples (blood and septum) and even chest X-rays in the case of pneumonia,» said project coordinator Kejing Ying in a statement.

The frequency - based approach requires a significant number of samples, and likely favors driver mutations that are common across a patient population.

There are now a number of studies about tobacco and alcohol increasing spontaneous abortions but one must be careful to distinguish studies whose patient population has a confirmed pregnancy (seven weeks after last menses) from those «early pregnancy loss» studies using daily urine samples tested for human chorionic gonadotropin (hCG) to detect pregnancy via hCG rise in the second week after ovulation.

Lab Technician — ABO Laboratories — May 2012 — Present • Execute a variety of laboratory assays and tests in accordance with established procedures, policies, and regulations; ensure samples are properly labeled and stored • Study blood samples for transfusions and record the blood group, number of cells, blood type, cell morphology, and other blood type compatibility • Perform procedural and instrument calibrations, document all quality control activities, and perform regular equipment maintenance • Identify problems that may negatively affect test results or performance; correct issues immediately and properly notify supervisor • Maintain meticulous records and demonstrate that the testing of samples is done in the same manner as patient specimens; promote cost - effective testing practices and reduce waste by 10 percent

The sample section also incorporates metrics by including the number of patients treated in each clinical experience.

We entered the number of patients and control group members, mean age, percentage of girls and of members of ethnic minorities, the country of data collection, year of publication, type of illness, duration of illness, the sampling procedure (1 = probability samples, 0 = convenience samples), the use of a control group (0 = yes, 1 = comparison with test norms), equivalence of patients and control group (1 = yes, 2 = not tested, 3 = no), the rater of depressive symptoms (1 = child, 2 = parent, 3 = teacher, 4 = clinician), the measurement of the variables, and the standardized size of between - group differences in depressive symptoms.

In the current study with a sample of chronically depressed men and women, rates of physical and psychological victimization were similar to rates reported in a number of general community samples during a similar time period (Jose and O'Leary 2009; Schafer et al. 1998) and to rates reported with a sample of unipolar and bipolar depressed patients (Dienemann et al. 2000).

Furthermore, not enough data was available to include the comparison of secure vs. insecure attachment representations, because of the low number of securely attached patients in the current sample.