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Background An incidence of cisplatin-induced acute kidney injury (AKI) of 34% has been reported in patients with locally advanced head and neck squamous cell carcinoma (LA-HNSCC). However, delayed cisplatin-induced nephrotoxicity and long-term renal outcomes remain poorly studied. Methods Patients with LA-HNSCC who underwent definitive or postoperative cisplatin-based chemoradiotherapy (CRT) were included. Acute kidney disease (AKD) was defined as newly developed estimated glomerular filtration rate (eGFR) 50% increase in serum creatinine for less then 3 months from baseline. Results A total of 509 patients were analyzed. AKD and AKI occurred in 27.9% and 13.4% of patients, respectively. Most patients had primary prophylactic feeding tube (95%) and definitive CRT (83%). More AKD patients had an ECOG status of 0 (p = 0.017), diabetes (p = 0.044), and hypertension (p less then 0.001). AKI, but not AKD, was significantly associated with cumulative cisplatin dose, delay, dose reduction, termination, and hospitalization during CRT. GFR percentage in patients with AKD declined significantly during CRT (- 36%), worsened at 3 months (- 39%), and had not recovered to baseline at 12 months after CRT (- 29%). Multivariate analysis identified ECOG status 0 and hypertension as significantly associated with the development of AKD. Conclusion Almost one third of LA-HNSCC patients who underwent CRT with cisplatin developed AKD, and their eGFR did not recover to baseline even after 1 year. ECOG 0 and hypertension were associated with AKD. UNC0379 These findings may have been due to the physician's awareness of AKD and underestimation of its potential complications in fit patients.Purpose Fear of cancer recurrence (FCR) is one of the most common and distressing issues affecting cancer survivors. This study examined (1) the association between modifiable cognitive, behavioral, and social characteristics and FCR, (2) the association between non-modifiable characteristics and FCR, and (3) the relative contributions of modifiable and non-modifiable characteristics to FCR. Methods Participants (n = 120) had been diagnosed with colorectal cancer and completed cancer treatment in the past 6 to 36 months. Participants completed self-report measures of modifiable cognitive (e.g., beliefs about worry), behavioral (e.g., health-related reassurance seeking), and social (e.g., social constraints) characteristics. Non-modifiable characteristics (e.g., age, disease severity) were assessed via self-report and medical record review. Findings Modifiable (i.e., perceived risk, self-efficacy, positive beliefs about worry, negative beliefs about worry, intolerance of uncertainty, rumination, reassurance seeking, health-related reassurance seeking, social constraints) and non-modifiable (i.e., age, gender, disease severity, neuroticism, conscientiousness) characteristics were associated with FCR (p's less then .05). Hierarchical linear regression analyses demonstrated that modifiable characteristics accounted for an additional 15% of the variance (p less then .001) beyond that accounted for by non-modifiable characteristics (R2 = .45, p less then .001), with perceived risk (B = .35) and health-related reassurance seeking (B = .22) emerging as significant predictors of FCR (p's less then .05). Implications Results identify non-modifiable characteristics that may serve as risk factors for greater FCR and identify specific modifiable characteristics (i.e., perceived risk, health-related reassurance seeking) to be targeted by interventions to reduce FCR among cancer survivors.Purpose Hypothyroidism is presented in a wide range from neuropsychiatric problems including depression, memory and cognitive disorders to poor motor coordination. Against the background of morphologic, functional and molecular changes on the white and grey matter of the brain, we aimed to investigate the effects of hypothyroidism on white matter (WM) integrity using tract-based spatial statistics (TBSS). Methods Eighteen patients with hyperthyroidism and 14 age-sex-matched healthy control subjects were included in this study. TBSS was used in the diffusion tensor imaging study for whole-brain voxel wise analysis of fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD) and radial diffusivity (RD) of WM. Results When compared to the control group, the whole brain TBSS revealed extensive reductions of FA in the supratentorial WM including corticospinal tract, posterior limb of the internal capsule (PLIC), uncinate fasciculus, inferior longitudinal fasciculus (p less then 0.005). The ROI analyses showed RD increment of superior longitudinal fasciculus, AD decrement of cingulum (CIN), external capsule, PLIC and corpus callosum (CC) in patients with hypothyroidism (p less then 0.005). Autoimmune and non-autoimmune hypothyroidism patient subgroups showed a significant difference in terms of hippocampus FA, CIN MD, CC MD, CC AD, CIN RD, SLF RD, CC RD (p less then 0.005). CIN FA values showed a negative correlation with the Beck Depression Inventory (p = 0.007, r = - 852). Conclusions These preliminary results of TBSS analyses represented FA and AD decrement, and RD increment in several WM tracts and indicates the demyelination process underlying pathophysiology of clinical aspects of hypothyroidism.Background Nitazoxanide is a broad-spectrum, anti-parasitic, anti-protozoal, anti-viral drug, whose mechanisms of action have remained elusive. Objective In this study, we aimed to provide insight into the mechanisms of action of nitazoxanide and the related eukaryotic host responses by characterizing transcriptome profiles of Saccharomyces cerevisiae exposed to nitazoxanide. Methods RNA-Seq was used to investigate the transcriptome profiles of three strains of S. cerevisiae with dsRNA virus-like elements, including a strain that hosts M28 encoding the toxic protein K28. From the strain with M28, an additional sub-strain was prepared by excluding M28 using a nitazoxanide treatment. Results Our transcriptome analysis revealed the effects of nitazoxanide on ribosome biogenesis. Many genes related to the UTP A, UTP B, Mpp10-Imp3-Imp4, and Box C/D snoRNP complexes were differentially regulated by nitazoxanide exposure in all of the four tested strains/sub-strains. Examples of the differentially regulated genes included UTP14, UTP4, NOP4, UTP21, UTP6, and IMP3.
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