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13,034 result(s) for "Gupta, R R"
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Convergence in urban–rural prevalence of hypertension in India
Hypertension has emerged as important public health problem in India. During the later half of the last century, epidemiological studies in India reported that hypertension (diagnosed by systolic blood pressure (BP) ⩾160 and/or diastolic BP ⩾95 mm Hg) increased from about 1% in 1950’s to 15% in 1990’s in urban ( R 2 =0.47) and from 0.5 to 7% in rural ( R 2 =0.21) populations. Hypertension epidemiological studies from India in the last twenty years have shown that prevalence of hypertension (diagnosed by systolic BP ⩾140 mm Hg and/or diastolic BP ⩾90 mm Hg) in urban locations has stabilized to about 25–30% ( R 2 =0.08) but it has increased in rural populations from 15 to 25% ( R 2 =0.04). This urban–rural convergence of hypertension in India is due to rapid urbanization of rural populations with consequent changes in lifestyles (sedentariness, high dietary salt, sugar and fat intake) and increase in overweight and obesity. Hypertension prevention, screening and control, policies and programs, need to be widely implemented in India, especially in rural populations.
Gaping gaps in rural mental health care: understanding causes and prioritizing solutions
IntroductionMental health is crucial and is the backbone of all dimensions of health; physical, social and spiritual. Mental health has multiple interfaces and it is important to bring mental health to the center stage as it is the key regulator of all human activities. Unfortunately, there are alarming gaps in mental health care especially in rural areas which require attention of mental health professionals and policy makers.The study aims to understand the causes of these gaps and suggest possible and practical solutions to bridge them.ObjectivesTo study the spectrum of mental health gaps present in rural areas of Haryana, a state in the northern part of India and find culturally sensitive and relevant solutions keeping in view the socio economic realities and prevalent legal framework.MethodsAny factor having bearing on mental health but is operative sub-optimally would be considered as mental health gap for the current investigation. Rural camps were organized in 10 villages to assess the service gap at three different levels: overt (measurable), covert (including attitudinal) and ancillary (including those embedded in the psychiatry evaluation and treatment). The camps were organized by following these three basic steps: 1) Evaluating the geographic and demographic details of the villages selected. This was done by meeting the key stakeholders of the villages and the official health and service statistics available on the government website 2) Camp by multidisciplinary team in the villages with an advance intimation. The team members evaluated the mental health care awareness and the felt needs by interviewing all the villagers attending the camp on that particular day. 3) Post camp review by the team to analyze the service gaps and steps to address and narrow the gaps.ResultsApart from inadequate availability of professional and infrastructural resources, there were many attitudinal and ancillary gaps serving as obstacles to treatment seeking. Trust gaps leading to poor acceptance and legislation not congruent with the socio cultural needs were key impediments. Rural people had more faith in Spiritual leaders and faith healers for their mental health issues and medical help was sought only when they have signs of physical illness. Mental health and illnesses were not on priority. Availability, accessibility and affordability of health services were important factors needing immediate attention.ConclusionsRural services need to be augmented by de professionalization and task shifting is the key to address and cover the yawning gaps in the services. Massive, coordinated, multidisciplinary and sustainable efforts are needed to bridge the multitude of gaps keeping in view poverty and illiteracy as compounding factors.Disclosure of InterestNone Declared
The nucleolus functions as a phase-separated protein quality control compartment
The nuclear proteome is rich in stress-sensitive proteins, which suggests that effective protein quality control mechanisms are in place to ensure conformational maintenance. We investigated the role of the nucleolus in this process. In mammalian tissue culture cells under stress conditions, misfolded proteins entered the granular component (GC) phase of the nucleolus. Transient associations with nucleolar proteins such as NPM1 conferred low mobility to misfolded proteins within the liquid-like GC phase, avoiding irreversible aggregation. Refolding and extraction of proteins from the nucleolus during recovery from stress was Hsp70-dependent. The capacity of the nucleolus to store misfolded proteins was limited, and prolonged stress led to a transition of the nucleolar matrix from liquid-like to solid, with loss of reversibility and dysfunction in quality control. Thus, we suggest that the nucleolus has chaperone-like properties and can promote nuclear protein maintenance under stress.
The JASP guidelines for conducting and reporting a Bayesian analysis
Despite the increasing popularity of Bayesian inference in empirical research, few practical guidelines provide detailed recommendations for how to apply Bayesian procedures and interpret the results. Here we offer specific guidelines for four different stages of Bayesian statistical reasoning in a research setting: planning the analysis, executing the analysis, interpreting the results, and reporting the results. The guidelines for each stage are illustrated with a running example. Although the guidelines are geared towards analyses performed with the open-source statistical software JASP, most guidelines extend to Bayesian inference in general.
Tunable unconventional kagome superconductivity in charge ordered RbV3Sb5 and KV3Sb5
Unconventional superconductors often feature competing orders, small superfluid density, and nodal electronic pairing. While unusual superconductivity has been proposed in the kagome metals A V 3 Sb 5 , key spectroscopic evidence has remained elusive. Here we utilize pressure-tuned and ultra-low temperature muon spin spectroscopy to uncover the unconventional nature of superconductivity in RbV 3 Sb 5 and KV 3 Sb 5 . At ambient pressure, we observed time-reversal symmetry breaking charge order below T 1 * ≃ 110 K in RbV 3 Sb 5 with an additional transition at T 2 * ≃ 50 K. Remarkably, the superconducting state displays a nodal energy gap and a reduced superfluid density, which can be attributed to the competition with the charge order. Upon applying pressure, the charge-order transitions are suppressed, the superfluid density increases, and the superconducting state progressively evolves from nodal to nodeless. Once optimal superconductivity is achieved, we find a superconducting pairing state that is not only fully gapped, but also spontaneously breaks time-reversal symmetry. Our results point to unprecedented tunable nodal kagome superconductivity competing with time-reversal symmetry-breaking charge order and offer unique insights into the nature of the pairing state. The nature of the superconductivity in the kagome metals AV 3 Sb 5 (A = K, Rb, Cs) remains under debate. Here, using muon spin spectroscopy, the authors find that the superconductivity in RbV 3 Sb 5 and KV 3 Sb 5 evolves from nodal to nodeless with increasing pressure and the superconducting state breaks time-reversal symmetry after suppression of the charge order.
Snow cover area analysis and its relation with climate variability in Chandra basin, Western Himalaya, during 2001–2017 using MODIS and ERA5 data
Glaciers and snow cover area (SCA) plays an important role in river runoff in Himalayan region. There is a need to monitor SCA on spatio-temporal basis for better and efficient utilization of water resources. Moderate Resolution Imaging Spectroradiometer (MODIS) provides less cloudy data due to high temporal resolution as compared to other optical sensors for high elevation regions, and its 8-day snow cover product is globally used for snow cover estimation. The main objective of the present paper is to estimate annual and seasonal SCA in Chandra basin, Western Himalaya, and analysis of its variation with elevation, aspect, and slope during 2001 to 2017 using MODIS Terra (MOD10A2) and Aqua (MYD10A2) snow cover product as well as to correlate the same with temperature and precipitation using fifth generation European Centre for Medium-Range Weather Forecasts (ECMWF) Atmospheric Reanalysis of the global climate (ERA5) data. The total average SCA observed is 84.94% of basin area during the study period. The maximum annual average SCA was found as 91.23% in 2009 with minimum being 76.37% in 2016. Strong correlation is observed in annual and seasonal SCA with temperature which indicate that SCA variability is highly sensitive to temperature.
MicroRNA mediated regulation of metal toxicity in plants: present status and future perspectives
The human population is increasing at an alarming rate, whereas heavy metals (HMs) pollution is mounting serious environmental problem, which could lead to serious concern about the future sufficiency of global food production. Some HMs such as Mn, Cu, and Fe, at lower concentration serves as an essential vital component of plant cell as they are crucial in various enzyme catalyzed biochemical reactions. At higher concentration, a vast variety of HMs such as Mn, Cu, Cd, Fe, Hg, Al and As, impose toxic reaction in the plant system which greatly affect the crop yield. Recently, microRNAs (miRNAs) that are small class of non-coding riboregulator have emerged as central regulator of numerous abiotic stresses including HMs. Increasing reports indicate that plants have evolved specialized inbuilt mechanism viz. signal transduction, translocation and sequestration to counteract the toxic response of HMs. Combining computational and wet laboratory approaches have produced sufficient evidences concerning active involvement of miRNAs during HMs toxicity response by regulating various transcription factors and protein coding genes involved in plant growth and development. However, the direct role of miRNA in controlling various signaling molecules, transporters and chelating agents of HM metabolism is poorly understood. This review focuses on the latest progress made in the area of direct involvement of miRNAs in signaling, translocation and sequestration as well as recently added miRNAs in response to different HMs in plants.
Biotechnological interventions and genetic diversity assessment in Swertia sp.: a myriad source of valuable secondary metabolites
The genus Swertia (Family: Gentianaceae) has cosmopolitan distribution which is present in almost all the continents except South America and Australia. Swertia genus has been renowned as one of the potent herbal drugs in the British, American, and Chinese Pharmacopeias as well as well-documented in the Indian traditional medicinal systems, viz. Ayurveda, Siddha, and Unani. Many species of this genus have therapeutic properties and have been used traditionally in the treatment of a number of health ailments viz. hepatitis, diabetes, inflammation, bacillary dysentery, cancer, malaria, fever etc. This genus is industrially important medicinal plant that has been used as a principal component in numerous marketed herbal/ polyherbal formulations. Medicinal usage of Swertia is endorsed to the miscellaneous compounds viz. xanthones, irridoids, seco-irridoids, and triterpenoids. A chain of systematic isolation of bio-active compounds and their diverse range of pharmacological effects during last 15–20 years proved this genus as industrially important plant. Due to the various practices of the Swertia species, annual demand is more than 100 tons per year for this important herb which is continuously increasing 10% annually. The market value rises 10% by the year as there is increased demand in national and international market resulted in adulteration of many Swertia spp. due to paucity of agricultural practices, exomorphological, phytochemical, and molecular characterization. Thus, efficient biotechnology methods are prerequisite for the mass production of authentic species, sustainable production of bio-active compounds and ex situ conservation. A chain of systematic biotechnological interventions in Swertia herb during last 20 years cover the assessment of genetic diversity, in vitro sustainable production of bio-active compounds and mass propagation of elite genotypes via direct and indirect organogenesis. This review attempts to present the comprehensive assessment on biotechnological process made in Swertia over the past few years.Key points• Critical and updated assessment on biotechnological aspects of Swertia spp.• In vitro propagation and genetic diversity assessment in Swertia spp.• Biosynthesis and sustainable production of secondary metabolites in Swertia spp.
FLAG Review 2021
We review lattice results related to pion, kaon, D-meson, B-meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communities. More specifically, we report on the determination of the light-quark masses, the form factor f+(0) arising in the semileptonic K→π transition at zero momentum transfer, as well as the decay constant ratio fK/fπ and its consequences for the CKM matrix elements Vus and Vud. Furthermore, we describe the results obtained on the lattice for some of the low-energy constants of SU(2)L×SU(2)R and SU(3)L×SU(3)R Chiral Perturbation Theory. We review the determination of the BK parameter of neutral kaon mixing as well as the additional four B parameters that arise in theories of physics beyond the Standard Model. For the heavy-quark sector, we provide results for mc and mb as well as those for the decay constants, form factors, and mixing parameters of charmed and bottom mesons and baryons. These are the heavy-quark quantities most relevant for the determination of CKM matrix elements and the global CKM unitarity-triangle fit. We review the status of lattice determinations of the strong coupling constant αs. We consider nucleon matrix elements, and review the determinations of the axial, scalar and tensor bilinears, both isovector and flavor diagonal. Finally, in this review we have added a new section reviewing determinations of scale-setting quantities.