نتایج جستجو برای: pbr
تعداد نتایج: 684 فیلتر نتایج به سال:
Aim: Currently, prepectoral breast reconstruction (PBR) is widely used in clinical practice, but its safety lacks high-level epidemiological evidence. This meta-analysis intended to clarify the of PBR for clinicians.
The English National Health Service is introducing activity based tariff systems or Payment by Results (PbR) as the basis for hospital funding. The funding arrangements provide incentives for increasing activity, particularly day surgery, and, uniquely, are based on costing data from all hospitals. But prices should not be based on average costs and the potential of PbR to improve the quality o...
Respiratory-related bronchial rhythmic contraction was quantitatively analyzed in eight paralyzed dogs. The caliber of the fifth-generation bronchus was continuously measured as the pressure (Pbr) of a balloon-tipped catheter under the condition of complete immobilization due to extracorporeal oxygenation. Pbr changed rhythmically in synchrony with phrenic nerve activity (PNA) bursts. Rhythmic ...
We observed evolutionary conservation of canonical nuclear localization signal sequences (K(K/R)X(K/R)) in the C-terminal polybasic regions (PBRs) of some Rac and Rho isoforms. Canonical D-box sequences (RXXL), which target proteins for proteasome-mediated degradation, are also evolutionarily conserved near the PBRs of these small GTPases. We show that the Rac1 PBR (PVKKRKRK) promotes Rac1 nucl...
Previous studies have demonstrated that gastric mucosa contained high levels of the polypeptide diazepam binding inhibitor, the endogenous ligand of the peripheral-type benzodiazepine receptor (PBR). However, the expression and function of this receptor protein in these tissues have not been investigated. Immunohistochemistry identified an intense PBR immunoreactivity in the mucous and parietal...
eyed brown nonagouti) inbred strain of this labo ratory and because it is typically made up of spindle-shaped cells with large vesicular nuclei. The individual cells vary greatly in size in sections and interlace with one another at various angles. The histopathology of this tumor has been dis cussed (1), and for reasons presented there the descriptive term spindle-cell tumor is used. The tumor...
حسگر زیستی باکتریایی به باکتری هایی اطلاق می شود که از لحاظ ژنتیکی به نحوی طراحی شده اند که قادرند در حضور یک عامل فیزیکی یا شیمیایی در محیط، یک سیگنال قابل اندازه گیری تولید کنند. این حسگر ها از دو بخش: پروموتر (که حضور عامل هدف را تشخیص می دهد) و ژن گزارشگر (که به پروموتر متصل بوده و تولید سیگنال زیستی می کند) تشکیل شده است. حسگرهای زیستی واجد توانایی بسیار بالایی در تشخیص آلودگی های محیطی هس...
PURPOSE To examine whether the early response of photic blink reflex (PBR) is spared in patients with Leber's hereditary optic neuropathy (LHON). METHODS Twenty-six patients with bilateral optic neuropathy (visual acuity < or = 0.1) and central scotomata were divided into LHON group with one of three mitochondrial DNA mutations at nucleotide position of 3460, 11778, or 14484 and non-LHON grou...
Peripheral-type benzodiazepine receptors (PBR) are constituted by three protein components, the isoquinoline binding protein (IBP), the voltage-dependent anion channel (VDAC), and the adenine nucleotide transporter (ANT). Recently, we found that high levels of PBR ligand binding in glioma cell lines correlate with in vitro tumorigenicity. To study whether enhanced PBR expression is causative or...
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