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In the substantia nigra, the transplantation of T2As reduced the PD-induced GFAP, TH and FEZ1 downregulation. The grafted cells exclusively migrated to other regions near the injection site in the striatum and differentiated into GFAP+ astrocytes or TH+ neurons. Furthermore, by detecting monoamine neurotransmitters through high-performance liquid chromatography, we found that the nigrostriatal pathway had been repaired to some extent. Taken together, these results suggest that engrafted T2As with high expression of FEZ1 improved the symptoms and functional reconstruction of PD rats, providing a theoretical basis for FEZ1 as a potential target and engraftment of T2As as a therapeutic strategy in the treatment of PD.To maintain constant body temperature (Tb) over a wide range of ambient temperatures (Ta) endothermic animals require large amounts of energy and water. In hot environments, the main threat to endothermic homeotherms is insufficient water to supply that necessary for thermoregulation. We investigated flexible adjustment of traits related to thermoregulation and water conservation during acclimation to hot conditions or restricted water availability, or both, in the zebra finch, Taeniopygia guttata a small arid-zone passerine. Using indirect calorimetry, we measured changes in whole animal metabolic rate (MR), evaporative heat loss (EHL) and Tb before and after acclimation to 23 or 40 °C, with different availability of water. Additionally, we quantified changes in partitioning of EHL into respiratory and cutaneous avenues in birds exposed to 25 and 40 °C. In response to heat and water restriction zebra finches decreased MR, which together with unchanged EHL resulted in increased efficiency of evaporative heat loss. This facilitated more precise Tb regulation in heat-acclimated birds. Acclimation temperature and water availability had no effect on the partitioning of EHL into cutaneous or respiratory avenues. At 25 °C, cutaneous EHL accounted for ~ 60% of total EHL, while at 40 °C, its contribution decreased to ~ 20%. Consistent among-individual differences in MR and EHL suggest that these traits, provided that they are heritable, may be a subject to natural selection. We conclude that phenotypic flexibility in metabolic heat production associated with acclimation to hot, water-scarce conditions is crucial in response to changing environmental conditions, especially in the face of current and predicted climate change. Robotic endovascular technology may offer advantages over conventional manual catheter techniques. Our aim was to compare the endovascular catheter path-length (PL) for robotic versus manual contralateral gate cannulation during endovascular aneurysm repair (EVAR), using video motion analysis (VMA). This was a multicentre retrospective cohort study with fluoroscopic video recordings of 24 EVAR cases (14 robotic, 10 manual) performed by experienced operators (> 50 procedures), obtained from four leading European centres. https://www.selleckchem.com/products/Gefitinib.html Groups were comparable with no statistically significant differences in aneurysm size (p = 0.47) or vessel tortuosity (p = 0.68). Two trained assessors used VMA to calculate the catheter PL during contralateral gate cannulation for robotic versus manual approaches. There was a high degree of inter-observer reliability (Cronbach's α > 0.99) for VMA. Median robotic PL was 35.7cm [interquartile range, IQR (30.8-51.0)] versus 74.1cm [IQR (44.3-170.4)] for manual cannulation, p = 0.019.guidewire manipulation. Robotic technology has the potential to reduce the endovascular footprint during manipulations even for experienced operators with the added advantage of zero radiation exposure.The kidney controls body fluids, electrolyte and acid-base balance. Previously, we demonstrated that hyperpolarization-activated and cyclic nucleotide-gated (HCN) cation channels participate in ammonium excretion in the rat kidney. Since acid-base balance is closely linked to potassium metabolism, in the present work we aim to determine the effect of chronic metabolic acidosis (CMA) and hyperkalemia (HK) on protein abundance and localization of HCN3 in the rat kidney. CMA increased HCN3 protein level only in the outer medulla (2.74 ± 0.31) according to immunoblot analysis. However, immunofluorescence assays showed that HCN3 augmented in cortical proximal tubules (1.45 ± 0.11) and medullary thick ascending limb of Henle's loop (4.48 ± 0.45) from the inner stripe of outer medulla. HCN3 was detected in brush border membranes (BBM) and mitochondria of the proximal tubule by immunogold electron and confocal microscopy in control conditions. Acidosis did not alter HCN3 levels in BBM and mitochondria but augmented them in lysosomes. HCN3 was also immuno-detected in mitoautophagosomes. In the distal nephron, HCN3 was expressed in principal and intercalated cells from cortical to medullary collecting ducts. CMA did not change HCN3 abundance in these nephron segments. In contrast, HK doubled HCN3 level in cortical collecting ducts and favored its basolateral localization in principal cells from the inner medullary collecting ducts. These findings further support HCN channels contribution to renal acid-base and potassium balance. To compare the surgical outcomes of the plication technique with the resection method to treat exotropic patients. In this prospective randomized clinical trial, a total of 52 exotropic patients (27 females and 25 males) who were candidates for medial rectus resection were randomly classified into the plication (n = 24) and resection (n = 28) groups. Comprehensive ophthalmic examination included cyclorefraction, assessment of the best corrected visual acuity (BCVA), evaluation of the extraocular muscle, ocular deviation measurement and stereopsis measured using a Titmus test. Ocular anterior and posterior segments were examined using slit-lamp and indirect ophthalmoscopy. Patients were randomly divided to medial rectus plication and medial rectus resection groups. The plication technique was the same as for resection, but in the last step the muscle was folded. Examinations were repeated at the 1- and 3-day as well as 1-, 2-, 3- and 6-month follow-ups. If the postoperative ocular deviation was in the range of 5 PD esotropia to 10 PD exotropia, it was considered a successful surgical outcome.
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