نتایج جستجو برای: pre culture
تعداد نتایج: 582397 فیلتر نتایج به سال:
Cultured pluripotent stem cells hold great promise for regenerative medicine. Considerable efforts have been invested into the refinement and definition of improved culture systems that sustain self-renewal and avoid differentiation of pluripotent cells in vitro. Recent studies have, however, found that the choice of culture condition has a significant impact on epigenetic profiles of cultured ...
BACKGROUND The use of early morning sputum samples (EMS) to diagnose tuberculosis (TB) can result in treatment delay given the need for the patient to return to the clinic with the EMS, increasing the chance of patients being lost during their diagnostic workup. However, there is little evidence to support the superiority of EMS over spot sputum samples. In this new analysis of the REMoxTB stud...
Potential clinical applications of neurons derived from human induced pluripotent stem cells (hiPSC-neurons) for drug screening and transplantation therapies have received considerable attention. However, it remains unclear whether and how transplanted hiPSC-neurons are incorporated into pre-existing neural circuits. Here we developed a co-culture system of hiPSC-neurons and mouse hippocampal s...
BACKGROUND South Africa has a large burden of extensively drug-resistant tuberculosis (XDR-TB); only 15% of XDR-TB patients have successful outcomes. OBJECTIVE To describe the safety and effectiveness of bedaquiline (BDQ) in the South African BDQ Clinical Access Programme. DESIGN An interim cohort analysis. RESULTS Of the first 91 patients enrolled between March 2013 and July 2014 (with f...
noroviruses (novs), an important pathogenic agent of foodborne illness, lead to acute and chronic gastroenteritis in humans of all ages and to travelers’ diarrhea. many genotypes exist in nature; gii.4 is widely known as the most predominant. outbreaks mostly occur in semi-closed settings. although the disease is self-limited to person, many cases have resulted in death, which has raised more c...
high levels of regulated oncogen-alpha (gro-a) expression have been observed in the liver. gro-a stimulates proliferation of epithelial cells and induction of rolling and extravascular migration of neutrophils and mononuclear cells. given the above observations, this chemokine was chosen to be analyzed in freshly isolated and cultured hepatocytes. in this study, hepatocytes (2×106 cell/ml) were...
The differentiation of surface Ig- pre-B cells into surface Ig+ B cells is a critical transition in mammalian B cell ontogeny. Elucidation of the growth factor requirements and differentiative potential of human pre-B cells has been hampered by the absence of a reproducible culture system that supports differentiation. Fluorescence-activated cell sorting and magnetic bead depletion were used to...
abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...
A treatment containing a live food-grade organism, Lactococcus lactis DPC3147, was compared with conventional antibiotic therapy for its potential to treat bovine chronic subclinical or clinical mastitis in two separate field trials. Effects on disease symptoms and bacteriology were monitored in response to infusion with the culture in each trial. In the first trial, the live culture treatment ...
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