نتایج جستجو برای: trf
تعداد نتایج: 767 فیلتر نتایج به سال:
BACKGROUND Phenylhydrazine, a hemolytic agent, is widely used as a model of experimental hyperbilirubinemia. Palm tocotrienol-rich fraction (TRF) was shown to exert beneficial effects in hyperbilirubinemic rat neonates. AIM To investigate the effects of palm TRF supplementation on hepatic bilirubin-metabolizing enzymes and oxidative stress status in rats administered phenylhydrazine. METHOD...
The telomere length of replicating somatic cells is inversely correlated with age and has been reported to be associated cross-sectionally with cardiovascular disease (CVD). Leukocyte telomere length, as expressed by mean terminal restriction fragment (TRF) length, was measured in 419 randomly selected participants from the Cardiovascular Health Study, comprising a community-dwelling cohort rec...
Photodynamic therapy (PDT) has been used clinically for treating various diseases including malignant tumors. The main advantages of PDT over traditional cancer treatments are attributed to the localized effects of the photochemical reactions by selective illumination, which then generate reactive oxygen species and singlet oxygen molecules that lead to cell death. To date, overor under-treatme...
The translation initiation factor aIF2 of the crenarchaeon Sulfolobus solfataricus (Sso) recruits initiator tRNA to the ribosome and stabilizes mRNAs by binding via the γ-subunit to their 5'-triphosphate end. It has been hypothesized that the latter occurs predominantly during unfavorable growth conditions, and that aIF2 or aIF2-γ is released on relief of nutrient stress to enable in particular...
Insulin resistance and oxidative stress are associated with accelerated telomere attrition in leukocytes. Both are also implicated in the biology of aging and in aging-related disorders, including hypertension. We explored the relations of leukocyte telomere length, expressed by terminal restriction fragment (TRF) length, with insulin resistance, oxidative stress and hypertension. We measured l...
BACKGROUND Human diploid fibroblasts (HDFs) undergo a limited number of cellular divisions in culture and progressively reach a state of irreversible growth arrest, a process termed cellular ageing. Even though beneficial effects of Piper betle, Chlorella vulgaris and tocotrienol-rich fraction (TRF) have been reported, ongoing studies in relation to ageing is of interest to determine possible p...
Background: The progress of next-generation sequencing technologies has unveiled various non-coding RNAs that have previously been considered products of random degradation and attracted only minimal interest. Among small RNA families, microRNA (miRNAs) have traditionally been considered key post-transcriptional regulators. However, recent studies have reported evidence for widespread presence ...
The present study was undertaken in an attempt to elucidate the mechanism(s) underlying transferrin (TRF) receptor expression in human erythroleukemic (K562 and HEL) lines during the exponential and the plateau phase of growth. TRF receptor synthesis is enhanced when stationary cells are subcultured at low density in fresh medium. This rise occurs in either the presence or the absence of serum,...
B cells cultured with anti-IgM, BSF-p1, and B15-TRF will differentiate into high rate IgM-synthesizing cells in the presence of supernatants from EL-4 cells that have been induced with phorbol myristate acetate. These supernatants contain two molecular species (EL-TRFs) that have differentiative activity. One co-migrates with interleukin 2 (IL-2) and its activity is blocked by antibody to the I...
Introduction In Guillain Barre syndrome (GBS), worsening of weakness or disability after initial period of recovery or stabilization is described as treatment-related fluctuations (TRF). Aim This study aims to describe the clinical characteristics and outcome of six patients with GBS and TRF. Patients and Methods Six patients with GBS fulfilling NINCDS criteria, evaluated at a tertiary care...
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