-
Ravn Dalrymple ha publicado una actualización hace 3 dias
Those with high tobacco dependence were more likely to approve of nicotine replacement therapy patches than those with low tobacco dependence (
= 0.009).
The results demonstrate that while the various interventions provided were reported to be helpful, many were underutilised. Future research could consider why certain strategies were not utilised and help improve uptake.
The results demonstrate that while the various interventions provided were reported to be helpful, many were underutilised. Future research could consider why certain strategies were not utilised and help improve uptake.The lack of prevention of noncommunicable diseases (NCDs) has caused an increase in the mortality rate including conditions such as chronic kidney disease (CKD) and liver disease (LD). The high complexity of CKD and LD results in alterations in the metabolism of carbohydrates, proteins, and lipids. One of the changes observed in CKD and LD is the decrease in albumin, elevation of PO4-3, K+, creatinine, urea, and transaminase enzymes. The pharmacological treatment is expensive. Nowadays, phytotherapy is an option to treat NCDs. Aqueous, ethanolic, methanolic, and ethyl acetate extracts of Cnidoscolus aconitifolius have shown nephroprotective and hepatoprotective potential and can be an alternative to prevent and treat CKD and LD. C. aconitifolius, known as Chaya by Mayas in Yucatán, is a shrub that is consumed in Mexico and in the world, has a low cost, it is very accessible, and can growth in extreme weather. The aim of this review is to show the potential biological effects of C. aconitifolius extracts, and the association of the phytochemicals in the extract. It is known that different solvents result in the uptake of different phytochemicals. These have shown various effects such as hypoglycemic, hypotensive, hypolipidemic, and antioxidant, being a natural alternative to the treatment of NCDs. Key teaching points Phytotherapy is a proposal to treat NCDs. Cnidoscolus aconitifolius extracts have a hypotensive effect. Cnidoscolus aconitifolius extracts reduce blood sugar in diabetic rats. Chaya extracts are no toxic for renal and hepatic cells.Do men and women differ systematically in their cooperation behaviors? Researchers have long grappled with this question, and studies have returned equivocal results. We developed an evolutionary perspective according to which men are characterized by greater intrasex variability in cooperation as a result of sex-differentiated psychological adaptations. We tested our hypothesis in two meta-analyses. The first involved the raw data of 40 samples from 23 social-dilemma studies with 8,123 participants. Findings provided strong support for our perspective. Whereas we found that the two sexes do not differ in average cooperation levels, men are much more likely to behave either selfishly or altruistically, whereas women are more likely to be moderately cooperative. We confirmed our findings in a second meta-analytic study of 28 samples from 23 studies of organizational citizenship behavior with 13,985 participants. Our results highlight the importance of taking intrasex variability into consideration when studying sex differences in cooperation and suggest important future research directions.
The role of food and nutrients in the regulation of enteric glial cell functions is unclear. Some foods influence enteric neurophysiology and can affect glial cell functions that include regulation of the intestinal barrier, gastric emptying, and colonic transit. Brazil nuts are the most abundant natural source of selenium, unsaturated fatty acids, fibers, and polyphenols.
The study investigated the effects of a Brazil nut-enriched diet on enteric glial cells and gastrointestinal transit.
Two-month-old male Wistar rats were randomized to a standard diet (control group, CG), standard diet containing 5% (wt/wt) Brazil nut (BN5), and standard diet containing 10% (wt/wt) Brazil nut (BN10) (n = 9 per group). After eight weeks, the animals underwent constipation and gastric emptying tests to assess motility. Evaluations of colonic immunofluorescence staining for glial fibrillary acidic protein (GFAP) and myenteric ganglia area were performed.
The BN5 group showed increased weight gain while the BN10 group did not (
< 0.0001). The BN10 group showed higher gastric residue amounts compared to the other groups (
= 0.0008). The colon exhibited an increase in GFAP immunoreactivity in the BN5 group compared to that in the other groups (
= 0.0016), and the BN10 group presented minor immunoreactivity compared to the CG (
= 0.04). The BN10 group presented a minor ganglia area compared to the CG (
= 0.0155).
The Brazil nut-enriched diet modified the gastric residual, colonic GFAP immunoreactivity, and myenteric ganglia area after eight weeks in healthy male Wistar rats.
The Brazil nut-enriched diet modified the gastric residual, colonic GFAP immunoreactivity, and myenteric ganglia area after eight weeks in healthy male Wistar rats.
A first-in-human study was performed with MP0250, a DARPin drug candidate. MP0250 specifically inhibits both vascular endothelial growth factor (VEGF) and hepatocyte growth factor (HGF) with the aim of disrupting the tumor microenvironment.
A multicenter, open-label, repeated-dose, phase I study was conducted to assess the safety, tolerability, and pharmacokinetics of MP0250 in 45 patients with advanced solid tumors. In the dose-escalation part, 24 patients received MP0250 as a 3-hour infusion once every 2 weeks at five different dose levels (0.5-12 mg/kg). Once the maximum tolerated dose (MTD) was established, 21 patients were treated with a 1-hour infusion (n = 13, 8 mg/kg, once every 2 weeks and n = 8, 12 mg/kg, once every 3 weeks) of MP0250 in the dose confirmation cohorts.
In the dose-escalation cohort, patients treated with 12 mg/kg MP0250 once every 2 weeks experienced dose-limiting toxicities. Therefore, MTD was 8 mg/kg once every 2 weeks or 12 mg/kg once every 3 weeks. The most common adverse events (AEs) were hypertension (69%), proteinuria (51%), and diarrhea and nausea (both 36%); hypoalbuminemia was reported in 24% of patients. Most AEs were consistent with inhibition of the VEGF and HGF pathways. Exposure was dose-proportional and sustained throughout the dosing period for all patients (up to 15 months). find more The half-life was about 2 weeks. Signs of single-agent antitumor activity were observed 1 unconfirmed partial response with a time to progression of 23 weeks and 24 patients with stable disease, with the longest duration of 72 weeks and a median duration of 18 weeks.
MP0250 is a first-in-class DARPin drug candidate with suitable tolerability and appropriate pharmacokinetic properties for further development in combination with other anticancer therapies.
MP0250 is a first-in-class DARPin drug candidate with suitable tolerability and appropriate pharmacokinetic properties for further development in combination with other anticancer therapies.