نتایج جستجو برای: pd 332991
تعداد نتایج: 58365 فیلتر نتایج به سال:
Introduction: Parkinson’s disease (PD) is the second most neurodegenerative disorder which is characterized by a progressive loss of dopaminergic neurons in the substantia nigra pars compacta. Clinical symptoms do not appear until approximately 70% of dopaminergic neurons and 80% of the striatal dopaminergic terminals have been lost. Thus, detecting nonclinical factors such as detecting b...
Background Urothelial carcinoma ranks the ninth among malignant cancers. We conducted this study to identify which patients could benefit more from the treatment of programmed death-1 (PD-1)/programmed death-ligand1 (PD-L1) inhibitors. Materials and Methods We performed literature searches, combined data from qualified literature and performed comparative analyses on the effectiveness of anti...
OBJECTIVE To investigate the cortical metabolic alterations that precedes longitudinal cognitive decline in Parkinson's disease (PD). METHODS We analyzed the data of 46 PD patients who did not have dementia at baseline and completed 3-year follow-up. Based on the results of general cognitive, memory and visuospatial tests, patients were classified into cognitively normal PD (PD-CogNL), PD wit...
pharmacokinetic/pharmacodynamic (pk/pd) relationships describe the quantitative relationships between the drug-induced effects and the concurrent corresponding drug concentrations in an individual. since a long time, rough qualitative relationships have been described between neurological presentation and plasma ethanol concentration in acute ethanol ingestion. however, to date, precise quantit...
purpose: although there are ample evidences for the effects (mostly decrease) of intraocular pressure (iop) after the administration of atracurium and cisatracurium during general anesthesia in ophthalmic operations, no study has yet been done to compare their effects on both iop and pupillary diameter (pd) simultaneously. the aim of this study was to determine whether there is any difference b...
as the world’s population continues to age, practitioners encounter increasing numbers of older patients with end-stage renal disease (esrd) who require renal replacement therapy (rrt). conservative management may be considered in older patients and has been shown to offer comparable survival rates and hospital-free days to rrt patients. at present, for those who choose rrt, hemodialysis is the...
Programmed death 1 (PD-1), an inhibitory receptor expressed on activated lymphocytes, regulates tolerance and autoimmunity. PD-1 has two ligands: PD-1 ligand 1 (PD-L1), which is expressed broadly on hematopoietic and parenchymal cells, including pancreatic islet cells; and PD-L2, which is restricted to macrophages and dendritic cells. To investigate whether PD-L1 and PD-L2 have synergistic or u...
Activated macrophages have been simply defined as cells that secrete inflammatory mediators and kill intracellular pathogens until few years ago. Recent studies have proposed a new classification system to separate activated macrophages based on their functional phenotypes: host defense, wound healing, and immune regulation. Regulatory macrophages can arise following innate or adaptive immune r...
Monoclonal antibodies that block immune regulatory proteins such as programmed death-1 (PD-1) have demonstrated remarkable efficacy in controlling the growth of multiple tumor types. Unresectable or metastatic basal cell carcinoma, however, has largely gone untested. Because PD-Ligand-1 (PD-L1) expression in other tumor types has been associated with response to anti-PD-1, we investigated the e...
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