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Melatonin (MT) is important for plant growth and development; however, it is not known whether MT is involved in apple adventitious root (AR) development. In this study, we treated Malus prunifolia (MP) at four different stages of AR development, and analyzed the level of the endogenous hormones MT, auxin (IAA), zeatin-riboside (ZR), abscisic acid (ABA), and gibberellins (GA
) in all four treatment groups and the untreated control group. The expression of MT, IAA biosynthesis, transport and signal transduction, the cell cycle, and root development related genes were quantified by RT-qPCR. The function of MdWOX11 was analyzed in transgenic apple plants.
The promotion of AR development by MT was dependent on the stage of AR induction between 0 and 2 d in apple rootstocks. MT-treatment increased the level of IAA and crosstalk existed between MT and IAA during AR formation. The expression of MdWOX11 was induced by MT treatment and positively regulated AR formation in apple. Furthermore, transgenic lines that overexpressed MdWOX11 lines produced more ARs than 'GL3'. find more Phenotypic analysis indicated that MdWOX11 overexpression lines were more sensitive to exogenous MT treatment than 'GL3', suggesting that MdWOX11 regulates AR formation in response to MT in apple rootstock.
MT promotes AR formation mainly during the AR induction stage by inducing IAA levels and upregulating MdWOX11.
MT promotes AR formation mainly during the AR induction stage by inducing IAA levels and upregulating MdWOX11.
Due to the diversity of rice varieties and cropping systems in China, the limitation of seeding density and seedling quality makes it hard to improve machine-transplanted efficiency. Previous studies have shown that indica and japonica varieties varied in machine transplanting efficiency and optimal seeding density. In this study, a RIL population derived from '9311' and 'Nipponbare' were performed to explore the seedling traits variations and the genetic mechanism under three seeding densities.
The parents and RIL population exhibited similar trends as the seeding density increased, including seedling height and first leaf sheath length increases, shoot dry weight and root dry weight decreases. Among the 37 QTLs for six traits detected under the three seeding densities, 12 QTLs were detected in both three seeding densities. Five QTL hotspots identified clustered within genomic regions on chromosomes 1, 2, 4, 6 and 11. Specific QTLs such as qRDW
and qFLSL
were detected under low and high seeding densiis effects under specific seeding density would provide adequate information for rice seedling improvement during machine transplanting.
Our results revealed the differences between indica rice and japonica rice seedling traits in response to seeding density. Several QTL hotspots involved in different traits and specific QTLs (such as qRDW1.1 and qFLSL5.1) in diverse seeding densities had been detected. Genome-wide additive and two-locus epistasis suggested a dynamic of the genetic control underlying different seeding densities. It was concluded that novel QTLs, additive and epistasis effects under specific seeding density would provide adequate information for rice seedling improvement during machine transplanting.
One of the Sustainable Development Goals is to reduce the global maternal mortality ratio to less than 70 per 100,000 live births by 2030. In South Africa, the flagship National Department of Health MomConnect program was launched in 2014 to strengthen the quality of maternal and child health (MCH) services and improve mortality outcomes. MomConnect was rapidly rolled out with a limited understanding of how and why the program was expected to work even though studies had shown the effectiveness of the MomConnect program in improving the uptake of MCH services. This study aimed to unearth the initial program theory of the MomConnect program based on explicit and implicit assumptions of how the program was organized and expected to work.
We conducted a document analysis using design- and implementation-related documents of the MomConnect program guided by the principles of Theory of Change (ToC) and Realist Evaluation (RE). Content and thematic analysis approaches were deductively applied to analyze the docling the initial program theory of MomConnect rather than delivering answers to questions of program effectiveness.
The application of ToC and RE provided an explicitly cumulative approach to knowledge generation in unveiling the initial program theory of MomConnect rather than delivering answers to questions of program effectiveness.
Many published studies attempted to elucidate the implication of glucokinase regulator gene (GCKR) polymorphisms in the susceptibility to nonalcoholic fatty liver disease (NAFLD), but the results among them were still with controversy.
This meta-analysis aims to precisely assess the relationship between the GCKR polymorphisms and the risk of NAFLD.
Systematic computerized searches in six databases were performed and updated to April 6, 2020. Meta-analyses were conducted by calling the R programs based on accumulated epidemiological data. Odds ratio (OR) and 95% confidential interval (CI) were calculated to summarize the effect estimates.
In total, 25 studies involving 6,598 cases and 19,954 controls were included. The pooled estimates indicated that the T allele carrier of the GCKR rs780094 polymorphism has predisposition to NAFLD (allele model OR 1.20, 95% CI 1.11~1.29; homozygote model OR 1.38, 95% CI 1.15~1.67; heterozygote model OR 1.25, 95% CI 1.12~1.39; dominant model OR 1.29, 95% CI 1.13~1.47; recessive model OR 1.18, 95% CI 1.06~1.31), and the same as the rs1260326 polymorphism (allele model OR 1.32, 95% CI 1.22~1.42; homozygote model OR 1.65, 95% CI 1.40~1.94; heterozygote model OR 1.24, 95% CI 1.07~1.43; dominant model OR 1.39, 95% CI 1.21~1.59; recessive model OR 1.44, 95% CI 1.28~1.62). Further stratified analyses according to age and ethnicity confirmed the statistical existence in most subgroups.
This meta-analysis suggested that both of the GCKR rs780094 and rs1260326 polymorphisms are significantly associated with the increased risk of NAFLD.
This meta-analysis suggested that both of the GCKR rs780094 and rs1260326 polymorphisms are significantly associated with the increased risk of NAFLD.Azithromycin has been considered as a possible therapeutic agent for COVID-19 patients. However, there is lim-ited data on its efficacy. We describe three patients diagnosed with COVID-19 who did not respond to the initial treatment but improved dramatically upon adding azithromycin with a successful outcome.Foot infections being one of the major complications, accounts for nearly 15% of people with diabetes and in-crease their risk for amputation in lower extremities. Though various factors contribute to the development of diabetic foot infection, poor glycemic control poses a greater risk paving way for a number of micro-organisms to colonize the wound. In order to restore the lost granulation tissue at the ulcer site, the prime aim should not only be attaining a glycemic control but also must focus on performing culture by clinically differentiating the stage of infection as well as to manage or control the infection by selecting a rational empiric antibiotic regimen, amidst the uncertainty that exists in choosing best antimicro-bial therapy in emerging multi-drug resistance worldwide. This review mainly analyzes that although among the existence of various undefined microbiome being prevalent in causing diabetic foot infections, how the current trend of antibiotics in use, aid in treating foot infections in diabetes.
Citicoline is a drug used both in degenerative and in vascular cognitive decline; memantine is a drug used for the treatment of mild to moderate Alzheimer's disease (AD). Our hypothesis is that their combined use could have an enhanced action in patients affected with AD and mixed dementia (MD) too. We report the main tips from a recent study on the use of these drugs, the CITIMEM study.
The study was retrospective and was performed on 126 patients aged 65 years old or older affected with AD or MD (mean age 80.7 ± 5.2 years old) who had been visited between 2015 and 2017 in four different centers for dementia all over Italy. Neuropsychological and functional tests were administered at baseline (T0), after 6 (T1), and 12 months (T2). The effects of combined treatment versus memantine alone on cognitive functions assessed by Mini Mental State Examination (MMSE) and the possible onset of side effects or adverse events, as well as the influence on daily life functions and behavioral symptoms were investigated.
Patients undergoing combined treatment showed a significant increase in MMSE vs memantine alone, both at T1 (p=0.003) and T2 (p =0.000).
The CITIMEM study confirms our hypothesis that combined administration of memantine plus citicoline is safe and more effective than memantine alone on cognition in patients suffering from AD or MD.
The CITIMEM study confirms our hypothesis that combined administration of memantine plus citicoline is safe and more effective than memantine alone on cognition in patients suffering from AD or MD.Some elderly commit suicide due to the interaction of various factors including, for example, feelings of loneliness, financial distress, alcohol abuse, chronic pain, progressive diseases, and personality disorders. The data from the EU countries with the highest rates of suicide and suicide attempts among people over 55 years of age warrant the consideration of new approaches to address this social problem.
PubMed and other databases including Polish National data were used for the analyses.
The average European suicide-attempt rate is 18 per 100 thousand inhabitants. More cases of suicides were reported among those over 55 years of age. Suicide attempts from 2012 to 2014 and deaths in 2012 have been reviewed. The risk factors involved in these events such as, depression, social situation including loneliness, health condition, etc., have been discussed to suggest a plausible preventative approach for this important elderly problem.
The psychophysiology of elderly persons affected by retirement, socio-economic changes, limited personal autonomy, loneliness, lack of support by the family, and diseases ultimately may lead elderly persons to commit suicide. Thus, financial freedom, family support (respect, love, and care), proper medications, psychological, and psychiatric interventions may help the elderly avoid suicidal thoughts and prevent attempts.
The psychophysiology of elderly persons affected by retirement, socio-economic changes, limited personal autonomy, loneliness, lack of support by the family, and diseases ultimately may lead elderly persons to commit suicide. Thus, financial freedom, family support (respect, love, and care), proper medications, psychological, and psychiatric interventions may help the elderly avoid suicidal thoughts and prevent attempts.
The aim of the current research to formulate a nano delivery system for effective delivery of primaquine for liver targeting to achieve the potential antimalarial activity. An objective of current development is to formulate a lactobionic acid conjugated polyphosphazene based nanodelivery of primaquine for liver targeting to distinguish antimalarial activity.
The particle size, entrapment efficiency, in-vitro drug release pattern, hepatotoxicity, MTT assay, erythrocyte toxicity assay, histopathology study, HepG2 cell uptake study, antimalarial study, and organ-distribution was also carried out to estimate the activity and potential features of nanoparticle system.
The results obtained from the above analysis justify the efficiency and effectiveness of the system. The NMR studies confirm the conjugation pattern and the TEM represent the spherical morphological features of nanoparticles. The controlled release pattern from the in-vitro release study was observed and found to be 73.25% of drug release in 20 hrs and also found in nano-size range (61.
Read More: https://www.selleckchem.com/products/fenretinide.html
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