نتایج جستجو برای: rp
تعداد نتایج: 15743 فیلتر نتایج به سال:
OBJECTIVE To estimate annual per-patient health services utilization and costs of retinitis pigmentosa (RP) in the United States. METHODS A retrospective claims analysis of patients with RP (N = 2990) and a 1:1 exactly matched cohort of non-RP patients was conducted using the MarketScan Commercial and Medicare Supplemental Databases. Individuals were continuously enrolled in a commercial heal...
Risk perception (RP) is studied in many research disciplines (e.g., safety engineering, psychology, and sociology), and the context in which RP is studied varies greatly. Definitions of RP can be broadly divided into expectancy-value and risk-as-feeling approaches. RP is seen as the personalization of the risk related to a current event, such as an ongoing fire emergency, and is influenced by e...
Radiation pneumonitis (RP) is one of the most common dose-limiting toxicities in thoracic X-ray radiotherapy (XRT). Dosimetric factors are used for prediction of the occurrence of RP after XRT. Carbon-ion radiotherapy (CRT) is a promising modality because of its excellent dose localization and high biological effect on tumors. This study aims to analyze the relationship between dosimetric facto...
Replication protein A (RP-A) is involved in DNA replication, repair and recombination. It has been demonstrated that RP-A clusters in foci prior to DNA replication and redistributes over chromatin during S-phase. Here, we show that RP-A foci also form in response to DNA double-strand (ds) breaks produced on Xenopus laevis sperm nuclei by restriction enzymes and then reconstituted with Xenopus e...
INTRODUCTION The role of elevated homocysteine in primary and secondary Raynaud phenomenon (RP) and in patients with atherosclerosis has been reported controversially. In secondary RP due to connective tissue disease specific alterations of nailfold capillaries might be present. An association between these microvascular changes and homocysteine has been suggested. AIM The aim of this study w...
Replication protein A (RP-A) is a heterotrimeric single-stranded DNA binding protein with important functions in DNA replication, DNA repair and DNA recombination. We have found that RP-A from calf thymus can unwind DNA in the absence of ATP and MgCl2, two essential cofactors for bona fide DNA helicases (Georgaki, A., Strack, B., Podust, V. and Hübscher, U. FEBS Lett. 308, 240-244, 1992). DNA u...
The genetic defects underlying approximately half of all retinitis pigmentosa (RP) cases are unknown. A number of genes responsible for Leber congenital amaurosis (LCA) may also cause RP when they are mutated. Our previous study revealed that variants in the most frequently mutated nine exons accounted for approximately half of the mutations detected in a cohort of patients with LCA. The aim of...
Because HIV-1 infected infants with rapid progression (RP) of disease might benefit from early and intense antiretroviral therapy, the identification of predictive factors of RP becomes extremely important. Currently, the best predictive factors of RP in HIV-1 infected children are HIV-1 RNA levels and CD4-positive T-cell counts. A decrease in CD3-positive T-cell count has been identified as a ...
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