PURPOSE The power-duration relationship has been variously modelled, although duration must be acknowledged as the dependent variable and is supposed to represent the only source of experimental error. However, there are certain situations, namely extremely high power outputs or outdoor field conditions, in which the error in power output measurement may not remain negligible. The geometric mean (GM) regression method deals with the assumption that also the independent variable is subject to a certain amount of experimental error, but has never been utilized in this context. METHODS We applied the GM regression method for the two- and three-parameter critical power models and tested it against the usual weighted least square (WLS) procedure with our previous published data. RESULTS There were no significant differences between parameter estimates of WLS and GM. Bias and limit of agreements between the two methods were low, while correlation coefficients were high (0.85-1.00). CONCLUSIONS GM provided equivalent results with respect to WLS in fitting the critical power model to experimental data and for its conceptual characteristics must be preferred wherever concerns on the precision of P measurement are present, such as for in-field power meters.Recent evidence suggests that mitochondrial complex II is an essential mediator of myocardial ischemia-reperfusion injury. The present study aimed to investigate the effects of fatty acid supplementation or high-fat diet (HFD) on cardiac mitochondrial activity. The changes of complex I and complex II activities and mitochondrial oxygen consumption rate (OCR) following hypoxia and re-oxygenation under these conditions were studied. Our results have shown that OCR (mitochondrial activity) was significantly increased with palmitoylcarnitine supplementation in mitochondria-enriched fraction from C57BL/6 mice hearts. Mitochondrial complex I activity was unaffected by palmitoylcarnitine but complex II activity was enhanced. Re-oxygenation following 30-min hypoxia transiently increased OCR but such an effect on OCR was abolished by complex II inhibitor, malonate, but not by complex I inhibitor, rotenone, despite that complex I activity was significantly increased with re-oxygenation following hypoxia in the presence of palmitoylcarnitine. https://www.selleckchem.com/products/golidocitinib-1-hydroxy-2-naphthoate.html Furthermore, OCR and complex II activity were significantly increased in the mitochondria from high-fat diet mice heart compared with those of normal or low-fat diet mice. Re-oxygenation to mitochondria following 30-min hypoxia increased OCR in all three groups but significantly more in HFD. Malonate abolished re-oxygenation-induced OCR increment in all groups. Our results indicate that complex II activity and OCR are enhanced with palmitoylcarnitine or in HFD mice heart. Although re-oxygenation following hypoxia enhanced complex II and complex I activities, complex II plays an important role in increasing mitochondrial activity, which may be instrumental in myocardial injury following ischemic reperfusion.Patients with untreated active giant cell arteritis (GCA) are at high risk of permanent vision loss. Therefore, treatment with glucocorticoids should be immediately initiated at an initial dose of 40-60 mg prednisolone equivalent dose per day. Once remission is achieved, the prednisolone dose should be reduced to 15-20 mg within 2-3 months and then to ≤5 mg per day within 1 year. Glucocorticoid-sparing treatment with tocilizumab or alternatively methotrexate should be initiated in patients with an increased risk or pre-existing complications of glucocorticoid treatment and patients with relapse. In polymyalgia rheumatica, prednisolone dosages of 15-25 mg/day are sufficient. After achieving remission, the dose should then be reduced to 10 mg within 4-8 weeks and then to 1 mg per month thereafter. Glucocorticoid-sparing treatment with methotrexate should be initiated in patients with an increased risk or existing complications of glucocorticoid treatment, relapse or increased glucocorticoid requirements.Recently, Zika virus (ZIKV) has become more widespread, thus attracting global attention. The vaccine against Japanese encephalitis virus (JEV) is currently used in China, being included in planned immunisation regimes. Although ZIKV and JEV are closely related mosquito-borne Flaviviruses, and a complex cross-immune response within flaviviruses has been demonstrated, the effect of JEV vaccination on ZIKV infection has not been well described. Thus, this study aimed to explore the impact of different titres of anti-JEV antibodies (Abs) against ZIKV infection using sera from healthy human donors in Guangzhou and anti-JEV rabbit polyclonal antibodies (pAbs) in vitro and vivo. Human anti-JEV Ab titres were tested at decreasing concentrations as the age increased. A neutralising effect on ZIKV infection was observed when anti-JEV Ab titres in human sera or rabbit pAbs were high (the corresponding age was under 30 years). Even though a lower titre in human sera showed no apparent effect, whereas rabbit pAbs had an antibody-dependent enhancement(ADE)effect, we proved an ADE effect in vivo for the first time. This study suggests that individuals over 60 years of age are at high risk for JEV and ZIKV infection, and screening this age group for infection should strengthen. Furthermore, a deep exploration of the relationship between anti-JEV Abs and ZIKV infection is needed.PURPOSE Recently it was reported that the parathyroid glands (PGs) emit autofluorescence when exposed to near infrared light, and a technique using fluorescence to detect the PGs intraoperatively was found to be useful. In some cases, however, it was difficult to detect the PGs. We sought to clarify the situation regarding such undetectable cases. METHODS The study comprised 45 patients (50 sides) who underwent thyroid or parathyroid surgery at Kushiro city general hospital between November 2018 and June 2019. We searched for the PGs intraoperatively using a fluorescence spectroscopy system. We statistically considered the factors related to the fluorescence patterns of background in cases in which two PGs could not be confirmed using Fisher's exact test. Factors included age, gender, body-mass index, laterality, disease state, renal function, and comorbidity. RESULTS In 41 sides (82%) fluorescence from at least one PG was determined. There was no significant difference in the detection rates among the other clinical factors.