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To our knowledge, this is the first report on the collagen regeneration ability of LEO from the Ili river valley and reveals Xinxun2 as a potential collagen regeneration promoter.
To formulate and characterize tablets containing Pitavastatin that has been loaded with a self-nano emulsifying drug delivery system (SNEDDS).
Pitavastatin SNEDDS were prepared with a variety of oils, surfactants, co-surfactants, and solvents to improve the dissolution rate and bioavailability of the HMG-CoA reductase inhibitor. The SNEDDS components were preliminarily investigated for drug solubility in various vehicles, excipient miscibility, emulsification rate, and ternary phase diagrams. The tablets were made using a porous carrier made of Aerosil 200 and then loaded with SNEDDS using a simple absorption method. Physical parameters such as tablet hardness, weight variation, disintegration, drug content, and in-vitro drug release were then measured on the tablets.
Labrafac Lipophilewl1349 (Oil), Tween 80 (Surfactant) and Egg lecithin (Co-surfactant) were selected for the preparation of SNEDDS. Tablets with high porosity suitable for loading with SNEDDS and containing the super-disintegrants, achieved complete dissolution of Pitavastatin from the tablets. In vitro release of Pitavastatin from SNEDDS and the tablets was similar (p < 0.05).
SNEDDS of Pitavastatin is a promising approach to achieving a solid dosage form of the liquid-loaded drug delivery systems for enhancing the solubility and dissolution rate of the drug, and hence also its bioavailability.
SNEDDS of Pitavastatin is a promising approach to achieving a solid dosage form of the liquid-loaded drug delivery systems for enhancing the solubility and dissolution rate of the drug, and hence also its bioavailability.
Muslims with insulin-dependent type 2 diabetes are at high risk for adverse events while fasting during the month of Ramadan. However, advances in pharmacologic therapy coupled with creative strategies of insulin administration can mitigate complications. This narrative literature review investigates which insulin subtypes are likely to prevent hypoglycemic events and reduce hyperglycemia during the Ramadan fasting season for this high-risk population.
Narrative literature review Eligibility criteria The following MeSH terms were used "Diabetes Mellitus, Type 2" and "Insulin," and the "Text Words" "Ramadan", "iftar", "Muslim fast", and "religious fast." The primary focus was on adult, non-pregnant, insulin-dependent type 2 diabetes during Ramadan. Anything beyond this focus was excluded. A total of nine pertinent studies were included for narrative review and analysis.
PubMed, EMBASE and Medline Results The studies identified suggest long-acting insulins reduce the risk of hypoglycemia, and rapid-acting insulin analogues may improve post-iftar hyperglycemia. Moreover, utilizing flexible glycemic targets during Ramadan is a novel strategy that has demonstrated improved outcomes after the fasting season.
Certain insulin subtypes and dosing strategies may be advantageous to use during Ramadan. However, a systematic, comprehensive, and updated review including a critical appraisal of each original study is needed to improve clinical care of insulin-dependent type 2 diabetes during Ramadan.
Certain insulin subtypes and dosing strategies may be advantageous to use during Ramadan. However, a systematic, comprehensive, and updated review including a critical appraisal of each original study is needed to improve clinical care of insulin-dependent type 2 diabetes during Ramadan.
Xenografts of various human cancers in nude mice provide a helpful model in cancer research. This study aimed to develop a xenograft mouse model of MCF-7 breast cancer using injectable estradiol valerate.
Thirty healthy female C57 nu/nu mice were engrafted with three protocols to establish an MCF-7 tumor. Injectable estradiol valerate (10 mg/ml) was used as a substitute for estradiol pellets. The development of tumors was recorded daily, and data were statistically analyzed using Excel software. Histology of bladder, kidney, and tumors was used to estimate tumor establishment and probable urinary adverse effects.
According to the findings, the duration of MCF-7 tumor growth was the lowest for protocol B (tumor tissue). Also, this protocol had the highest xenograft yield within the shortest time duration (37 days for protocol B vs. 73 days for protocol A) without causing urinary adverse effects.
Our findings revealed that estradiol valerate, which is way less expensive than estradiol pellets, can be used as a tumor proliferator to establish MCF-7 tumors with the highest yield when MCF-7 tumors have been used for xenograft.
Our findings revealed that estradiol valerate, which is way less expensive than estradiol pellets, can be used as a tumor proliferator to establish MCF-7 tumors with the highest yield when MCF-7 tumors have been used for xenograft.
The current study aimed to evaluate the effect of raloxifene on the disease activity of postmenopausal patients with rheumatoid arthritis (RA) and the prevention of glucocorticoid-induced osteoporosis.
This double-blind, randomized clinical trial was conducted at the Rheumatic Diseases Research Center affiliated with Mashhad University of Medical Sciences during 2015-2016. Postmenopausal women with RA were randomly treated with raloxifene or placebo after discontinuation of alendronate. Disease activity was evaluated using DAS28ESR, HAQ, and VAS before the intervention and every two months after the intervention. In addition, bone mineral densitometry was also performed for patients before and 14 months after the intervention. Rapamycin mw The disease activity and densitometric criteria were compared between the two groups at a significant level of p <0.05.
A total of 17 patients were allocated to each group. At baseline, the two groups were similar in terms of underlying disease, age, duration of RA, duration of alendronate use, laboratory findings, and rheumatoid arthritis drugs. Moreover, the mean scores of DAS28ESR, HAQ, and VAS during visits were not significantly different between the intervention and control groups (p >0.05).
The current study results could not prove any clinical benefits for adding raloxifene to standard therapies of patients with rheumatoid arthritis in improving their disease activity compared to placebo.
The current study results could not prove any clinical benefits for adding raloxifene to standard therapies of patients with rheumatoid arthritis in improving their disease activity compared to placebo.
New psychoactive substance use (NPS) is a reality in France, including among drivers. This work aims (i) to report the pharmaceutical design of NPS detected in oral fluid (OF) from drivers initially screened for drugs around a music festival in 2019 and (ii) to compare obtained results with those of a previous similar study carried out in 2017 in the same situation (and the same music festival) and according to the same methodology.
OF specimens were recovered from the user devices of the salivary immunochemical tests used by the police during the controls carried out at the entering and leaving the festival. These OF were analyzed using liquid chromatography coupled with tandem mass spectrometry and high-resolution mass spectrometry methods using mass spectra libraries of approximately 1700 substances, including (in 2020) more than 650 NPS and metabolites.
NPS was detected in 14 out of the 265 collected OF specimens. Ten NPS were identified (number of identification) APINACA (1), AB-Chminaca (1), 5F-AMB (1), 5F-PB-22 (5), 2C-D (1), methoxetamine (2), ketamine (1), x-CMC (1), 4-MEC (2), ethylone (2). The prevalence of NPS detection in OF (5.2%) is in the same order as the observed one in 2017 (6.8%), but these results are marked by the majority and increasing proportion of synthetic cannabinoids (47% of identified NPS in 2019 vs. 25% in 2017), an increase also in the proportion of cathinone derivatives (29% in 2019 vs. 6% in 2017), and a decrease in cyclohexanones (17% in 2019 vs. 43% in 2017).
These pharmaceutical design trends (2019 vs. 2017) observed in a population of drivers around a music festival seem to reflect those that can be seen in more general populations in France, with probably a rise in the consumption of synthetic cannabinoids.
These pharmaceutical design trends (2019 vs. 2017) observed in a population of drivers around a music festival seem to reflect those that can be seen in more general populations in France, with probably a rise in the consumption of synthetic cannabinoids.
Docosahexaenoic acid-acylated phloridzin (PZ-DHA), a novel polyphenol fatty acid ester derivative, is synthesized through an acylation reaction of phloridzin (PZ) and docosahexaenoic acid (DHA). PZ-DHA is more stable than DHA and exhibits higher cellular uptake and bioavailability than PZ.
The study aims to investigate the effects of PZ-DHA on insulin resistance in the skeletal muscle and the related mechanisms; we used palmitic acid (PA)-treated C2C12 myotubes as an insulin resistance model.
We found that PZ-DHA increased the activity of AMP-activated protein kinase (AMPK) and improved glucose uptake and mitochondrial function in an AMPK-dependent manner in untreated C2C12 myotubes. PZ-DHA treatment of the myotubes reversed PA-induced insulin resistance; this was indicated by increases in glucose uptake and the expression of membrane glucose transporter 4 (Glut4) and phosphorylated Akt. Moreover, PZ-DHA treatment reversed PA-induced inflammation and oxidative stress. These effects of PZ-DHA were mediated by AMPK. Furthermore, the increase in AMPK activity, improvement in insulin resistance, and decrease in inflammatory and oxidative responses after PZ-DHA treatment diminished upon co-treatment with a liver kinase B1 (LKB1) inhibitor, suggesting that PZ-DHA improved AMPK activity by regulating its upstream kinase, LKB1.
The effects of PZ-DHA on insulin resistance in C2C12 myotubes may be mediated by the LKB1- AMPK signaling pathway. Hence, PZ-DHA is a promising therapeutic agent for insulin resistance in type 2 diabetes.
The effects of PZ-DHA on insulin resistance in C2C12 myotubes may be mediated by the LKB1- AMPK signaling pathway. Hence, PZ-DHA is a promising therapeutic agent for insulin resistance in type 2 diabetes.Polysaccharides (PSs) of plant origin have a variety of biological activities, including antiatherosclerotic, but their use in atherosclerosis therapy is hindered by insufficient knowledge based on the cellular and molecular mechanisms of action. In this review, the influence of several natural PSs on the function of macrophages, viral activity and macrophage cholesterol metabolism has been discussed, considering the tight interplay between these aspects in the pathogenesis of atherosclerosis. The anti-atherosclerotic activities of natural PSs related to other mechanisms have also been explored. Directions for further research of the antiatherosclerotic effects of natural PSs have been outlined, the most promising of which can be nutrigenomic studies.
Nanosponge, as a carrier for the skin delivery system for drugs, plays a vital role. It not only serves to administer the drug to the targeted layer of skin but also increases the drug retention and deposition on the skin.
In this review, we aim to highlight the effects of several processes and formulation variables prompting the characteristics of various nanosponges for the delivery of drugs into/ across the skin.
In the present review article, the overall introduction of nanosponges, their preparation, characteristic features, advantages, disadvantages, and factors affecting their preparation, are covered. Furthermore, an elaborative description of nanosponges for skin delivery and its toxicological perspective with some referential examples of nanosponge drugs has also been deliberated here.
Factors associated with the formation of nanosponges can directly or indirectly affect its efficacy in the skin delivery of drugs. These nanoforms are efficient in delivering the drugs which possess lower aqueous solubility, therefore, the aqueous solubility of drugs possessing a narrow therapeutic window can easily be enhanced.
Website: https://www.selleckchem.com/products/Rapamycin.html
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