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Circadian rhythm disturbances have been reported in patients with major depressive disorder (MDD). Among these is an increased phase angle between peak cortisol concentration and dim-light melatonin onset (DLMO). The aim of this study was to evaluate changes in chronobiologic parameters of sleep in patients with MDD receiving adjunctive brexpiprazole.
This was an interventional, multicenter, open-label, flexible-dose, exploratory study in patients with MDD and inadequate response to antidepressant treatment who were experiencing sleep disturbances. Patients received adjunctive brexpiprazole 2-3 mg/day for 8 weeks. Outcome measures included cortisol and melatonin levels, used to calculate phase angle, and the Biological Rhythms Interview of Assessment in Neuropsychiatry (BRIAN).
The mean (standard error) phase angle between peak cortisol and DLMO increased by 108 (61) minutes from baseline to Week 8 (n = 9). BRIAN Total score changed (improved) by -14.6 (4.6) points from baseline to Week 8 (n = 9). Change in phase angle and BRIAN Total score showed a moderate-to-high correlation (Pearson coefficient 0.68; 95% confidence limits 0.04, 0.93; p = 0.040).
This study is limited by its small sample size, and its single-arm, open-label design.
The findings provide a preliminary indication that the phase angle between peak cortisol and DLMO is of interest as a potential biomarker for depression and therapeutic response. Adjunctive brexpiprazole may represent a strategy for correcting circadian dysfunction in patients with MDD and inadequate response to antidepressant treatment. ClinicalTrials.gov identifier NCT01942733.
The findings provide a preliminary indication that the phase angle between peak cortisol and DLMO is of interest as a potential biomarker for depression and therapeutic response. Adjunctive brexpiprazole may represent a strategy for correcting circadian dysfunction in patients with MDD and inadequate response to antidepressant treatment. ClinicalTrials.gov identifier NCT01942733.Macrophages (MΦ) and dendritic cells (DC) play a fundamental role in shaping immune responses by sensing a plethora of Pathogen Associated Molecular Patterns (PAMPs), phagocytosis and antigen presentation to T lymphocytes. These important biological processes require efficient cell movement and an intact cellular morphology for dynamic interaction. The role of microRNAs (miRs) in this regard, however, is not well understood. In the present study, we show that miR-30b and miR-142-3p regulate migration and morphology of MΦ and DC. Transient overexpression of miR-30b and miR-142-3p attenuates migration and these cells display unique morphological deformities observed under electron microscopy. Androgen Receptor Antagonist In addition, miR-142-3p overexpression in MΦ impaired phagocytosis of FITC-conjugated latex beads using live microscopy imaging. Interestingly, live cell imaging and F-actin staining revealed marked changes in the cell polarity and actin polymerization status, respectively. To identify miR-142-3p regulated pathways, we profiled global transcriptome changes in miR-142-3p or control mimic transfected DC. Expression of several genes were differentially altered by miR-142-3p and were associated with pathways related to cell movement, cell adhesion, and cytoskeletal rearrangement. Bioinformatics analysis identified a significant subset of downregulated genes with one or more predicted miR-142-3p binding sites in their 3'UTR strongly suggesting direct post-transcriptional impact of these miRNAs on multiple transcripts. Using dual luciferase assays, novel miR-142-3p binding sites were validated for three genes (Vinculin, Dab2 and Skap2) directly associated with cytoskeletal rearrangement and cell movement. In summary, our results show that miR-30b and miR-142-3p are regulators of myeloid cell cytoskeletal homeostasis and morphology.This study explored the role of the depressor arm of renin-angiotensin system (RAS) on ischemic renal injury (IRI)-associated cardio-hepatic sequalae under non-diabetic (ND) and diabetes mellitus (DM) conditions. Firstly, rats were injected with Streptozotocin (55 mg/kg i.p.) to develop DM. ND and DM rats underwent Bilateral IRI followed by 24 h of reperfusion. Further, ND and DM rats were subjected to AT2R agonist-Compound 21 (C21) (0.3 mg/kg/day, i.p.) or ACE2 activator- Diminazene Aceturate (Dize), (5 mg/kg/day, p.o.) per se or its combination therapy. As results, IRI caused cardio-hepatic injuries via altered oxidant/anti-oxidant levels, elevated inflammatory events, and altered protein expressions of ACE, ACE2, Ang II, Ang-(1-7) and urinary AGT. However, concomitant therapy of AT2R agonist and ACE2 activator exerts a protective effect in IRI-associated cardio-hepatic dysfunction as evidenced by inhibited oxidative stress, downregulated inflammation, and enhanced cardio-hepatic depressor arm of RAS under ND and DM conditions.
Infection with the novel severe acute respiratory syndrome coronavirus 2 has been associated with a hypercoagulable state. Emerging data from China and Europe have consistently shown an increased incidence of venous thromboembolism (VTE). We aimed to identify the VTE incidence and early predictors of VTE at our high-volume tertiary care center.
We performed a retrospective cohort study of 147 patients who had been admitted to Temple University Hospital with coronavirus disease 2019 (COVID-19) from April 1, 2020 to April 27, 2020. We first identified the VTE (pulmonary embolism [PE] and deep vein thrombosis [DVT]) incidence in our cohort. The VTE and no-VTE groups were compared by univariable analysis for demographics, comorbidities, laboratory data, and treatment outcomes. Subsequently, multivariable logistic regression analysis was performed to identify the early predictors of VTE.
The 147 patients (20.9% of all admissions) admitted to a designated COVID-19 unit at Temple University Hospital with a higitted for VTE; therefore, the true incidence of VTE could have been underestimated. Our findings require confirmation in future prospective studies.
Our study represents one of the earliest reported from the United States on the incidence rate of VTE in patients with COVID-19. Patients with a high clinical suspicion and the identified risk factors (invasive mechanical ventilation, admission D-dimer level ≥1500 ng/mL) should be considered for early VTE testing. We did not screen all patients admitted for VTE; therefore, the true incidence of VTE could have been underestimated. Our findings require confirmation in future prospective studies.
Read More: https://www.selleckchem.com/Androgen-Receptor.html
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