-
Langston Bager heeft een update geplaatst 4 dagen, 14 uren geleden
In patients suffering from e-cigarette-related respiratory illness including EVALI, the primary treatment goal should be the cessation of e-cigarette use and avoidance of other possible pulmonary toxins, including conventional cigarettes. Prevention of e-cigarette use is critical in the youth population, as these patients are typically nicotine naïve and do not engage in smoking conventional cigarettes before initiation of vaping. © 2020 Wiley Periodicals, Inc.BACKGROUND The objective of this study was to investigate the genetic causes of two probands diagnosed as Waardenburg syndrome (WS type I and IV) from two unrelated Chinese families. METHODS PAX3 and SOX10 were the main pathogenic genes for WS type I (WS I) and IV (WS IV), respectively; all coding exons of these genes were sequenced on the two probands and their family members. Luciferase reporter assay and co-immunoprecipitation (CO-IP) were conducted to verify potential functional outcomes of the novel mutations. RESULTS The first proband is a 9 years old girl diagnosed with WS I. A novel PAX3 heterozygous mutation of c.372-373delGA (p.N125fs) was identified, which results in a frameshift and truncation of PAX3 protein. In family II, a 2 years old girl was diagnosed with WS IV, and Sanger sequencing revealed a de novo SOX10 mutation of c.1114insTGGGGCCCCCACACTACACCGAC (p.Q372fs), a frameshift mutation that extends the amino acid chain of SOX10 protein. Functional studies indicated that the novel mutation of SOX10 had no effects on the interaction of SOX10 and PAX3, but reduced transactivate capacity of melanocyte inducing transcription factor (MITF) promoter. Both PAX3 and SOX10 mutation-induced defects of MITF transcription might contribute to the WS pathogenesis. CONCLUSION We revealed a novel mutation in PAX3 and a de novo mutation in SOX10, which might account for the underlying pathogenesis of WS. This study expands the database of both PAX10 and PAX3 mutations and improves our understanding of the causes of WS. © 2020 The Authors. Molecular Genetics & Genomic Medicine published by Wiley Periodicals, Inc.BACKGROUND Changes of affective well-being are usually analysed either as longitudinal processes or as daily fluctuations. We used a three-burst diary study to combine these perspectives. METHOD The participants were 211 patients with a diagnosis of HIV infection. In three bursts with 6-month intervals, they completed an online diary for five consecutive days, which gives 15 days of measurements. They evaluate affective well-being (positive and negative affect), stress associated with a central hassle, and coping (rumination and positive reappraisal). RESULTS Higher daily stress coupled with higher rumination was related to lower well-being. For positive reappraisal, the picture was more complex. First, its interaction with daily stress had an effect on negative, but not on positive, affect. Second, this effect was significant only at the first burst. CONCLUSIONS These results suggest a stable debilitating effect of daily rumination, but a limited and diminishing beneficial effect of daily positive reappraisal among people living with HIV. As such, they do not confirm the view that positive reappraisal sustains affective well-being during chronic health conditions. This may inform stress management interventions for PLWH, which are now increasingly taking the form of mobile applications, adapted to the daily lives of patients in their natural environment. © 2020 The Authors. Applied Psychology Health and Well-Being published by John Wiley & Sons Ltd on behalf of International Association of Applied Psychology.Cold atmospheric plasma (CAP) is a group of various chemical active species, such as ozone and nitric oxide, generated by working gas. LXS-196 ic50 CAP was demonstrated to have an effect on tissue regeneration and wound healing. We conducted this study to evaluate the efficacy and safety of CAP as a novel therapy for diabetic wounds in vitro and in vivo. The plasma consists of ionised helium gas that is produced by a high-voltage and high-frequency power supply. Eight-week-old male db/db mice and C57BL mice were treated with helium gas (control group), 90s’ CAP (low-dose group), and 180s’ CAP (high-dose group). Mice were treated and observed for 2 weeks. Skin samples from around the wound and blood samples were collected. Our in vitro analysis included scratch wound-healing assays by using human HaCaT immortalised human epidermal cells. After 14 days of treatment, CAP could obviously promote diabetic wound healing. Wound closure rates were significantly higher in the low-dose group and high-dose groups compared with the cgiogenesis, involving several proteins signalling, and it is safe for the liver and kidney. © 2020 Medicalhelplines.com Inc and John Wiley & Sons Ltd.The non-POU domain-containing octamer-binding protein NONO/p54nrb , which belongs to the Drosophila behaviour/human splicing (DBHS) family, is a multifunctional nuclear protein rarely functioning alone. Emerging solid evidences showed that NONO engages in almost every step of gene regulation, including but not limited to mRNA splicing, DNA unwinding, transcriptional regulation, nuclear retention of defective RNA and DNA repair. NONO is involved in many biological processes including cell proliferation, apoptosis, migration and DNA damage repair. Dysregulation of NONO has been found in many types of cancer. In this review, we summarize the current and fast-growing knowledge about the regulation of NONO, its biological function and implications in tumorigenesis and cancer progression. Overall, significant findings about the roles of NONO have been made, which might make NONO to be a new biomarker or/and a possible therapeutic target for cancers. © 2020 The Authors. Journal of Cellular and Molecular Medicine published by Foundation for Cellular and Molecular Medicine and John Wiley & Sons Ltd.This research was planned to build a Pharmacokinetic/Pharmacodynamic (PK/PD) model of 5-hydroxytryptophan (5-HTP) challenge study including a circadian rhythm component of cortisol and to predict serum cortisol based on saliva cortisol. Data from three 5-HTP challenge studies in healthy volunteers were collected. Serum 5-HTP, saliva, and serum cortisol were sampled as PK and PD marker. The population PK/PD modeling approach was applied. A baseline model of serum cortisol was built to assess the circadian rhythm before a pharmacodynamic model was used to evaluate the drug effect of the 5-HTP on cortisol. Finally, linear and power function relationships were tested to predict serum cortisol based on saliva cortisol. The PK of 5-HTP could be described using a one-compartment model with a transit compartment. The typical value for clearance was 20.40 L h-1 and showed inter-study variability. A cosine function was chosen and properly described the circadian rhythm of serum cortisol. A linear approximation model was applied to fit the 5-HTP PD effect on cortisol data with a slope of 4.