21 research outputs found
Home Away from Home
Home away from home is the application of Electronic commerce. It would be a source for the people, who would like to take homes or apartments by electronic payments. This website would be the best place to give advertisement for their properties to renters for temporary stays.
This application would be the website, which give authority to users to log in/sign up pages for renter and owner along with the welcome screen for all three roles-Admin, Owner, Renter. Admin role would be consisting of Renter User Management, Owner User Management, and Locations management. Owner role would be creating listing which is having of Upload one image, Title, Details, Cost and selecting location dynamically fill from admin screen and view renter users who opted the listing and Update password options.
Renter role would be having the search division by having of Location, from and to date, Number of members, Responsive listing view with all filter details, select anyone listing will lead to details view of that particular ID, conform proceed to payment screen (Dummy payment navigation screen), Update password options. This website would be the mobile friendly along with all required features.
Once the customer checkouts, from our rental home or apartments we provide a customer end feedback and a survey to submit the post-rental ratings functionally through our website or sending an email to the guests or by the text messages about the survey to accomplish the efficiency of overall maintenance services like cleanness, costs, facilities
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Euglycemic diabetic ketoacidosis: a diagnostic and therapeutic dilemma
Euglycemic diabetic ketoacidosis (EDKA) is a clinical triad comprising increased anion gap metabolic acidosis, ketonemia or ketonuria and normal blood glucose levels <200 mg/dL. This condition is a diagnostic challenge as euglycemia masquerades the underlying diabetic ketoacidosis. Thus, a high clinical suspicion is warranted, and other diagnosis ruled out. Here, we present two patients on regular insulin treatment who were admitted with a diagnosis of EDKA. The first patient had insulin pump failure and the second patient had urinary tract infection and nausea, thereby resulting in starvation. Both of them were aggressively treated with intravenous fluids and insulin drip as per the protocol for the blood glucose levels till the anion gap normalized, and the metabolic acidosis reversed. This case series summarizes, in brief, the etiology, pathophysiology and treatment of EDKA. Learning points: Euglycemic diabetic ketoacidosis is rare. Consider ketosis in patients with DKA even if their serum glucose levels are normal. High clinical suspicion is required to diagnose EDKA as normal blood sugar levels masquerade the underlying DKA and cause a diagnostic and therapeutic dilemma. Blood pH and blood or urine ketones should be checked in ill patients with diabetes regardless of blood glucose levels
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Colon Carcinoma Presenting as Streptococcus anginosus Bacteremia and Liver Abscess
A collection of dead white blood cells within the liver is called a liver abscess, and pyogenic liver abscess (PLA) is the most common type. PLA is commonly associated with biliary tract infections. However, in this case report, we present a rare cause of Streptococcus anginosus bacteremia and PLA which is associated with a carcinoma of the colon at the splenic flexure. The presentation mimicked a cholecystitis clinically, but the radio-imaging revealed a liver abscess. Blood cultures revealed an uncommon etiological agent, S. anginosus group which is otherwise a commensal in the human gut. In this case report, we aimed to summarize the microbiological aspects of S. anginosus group of organisms, the relevant clinicopathological considerations and the management
Deficiency of 25-Hydroxyvitamin D and Dyslipidemia in Indian Subjects
Background. Vitamin D deficiency is widespread throughout the world. Several reports have incriminated vitamin D deficiency as the cause of rickets, osteomalacia, and other chronic diseases. Recent studies have suggested a possible link between deficiency of 25-hydroxyvitamin D and dyslipidemia. Aim. To investigate the association between 25-hydroxyvitamin D deficiency and dyslipidemia in Indian subjects. Methodology. We recruited 150 asymptomatic consecutive subjects from patients' attendees at the Departments of Neurology and Medicine in Yashoda Hospital, Hyderabad, India. Study period was from October 2011 to March 2012. All subjects underwent 25-hydroxyvitamin D assay by chemiluminescent microparticle immunoassay, fasting blood sugar and lipid profile, calcium, phosphorus, alkaline phosphatase, and C-reactive protein (CRP). Results. Out of 150 subjects, men were 82 (54.6%), and mean age was 49.4 (Ā±15.6) years. Among risk factors, hypertension was noted in 63/150 (42%), 25-hydroxyvitamin D deficiency in 59/150 (39.3%), diabetes in 45/150 (30%), dyslipidemia in 60 (40%), smoking in 35/150 (23.3%), and alcoholism in 27/150 (18%). Deficiency of 25-hydroxyvitamin D was significantly associated with dyslipidemia ( = 0.0001), mean serum glucose ( = 0.0002) mean CRP ( = 0.04), and mean alkaline phosphatase ( = 0.01). Multivariate analysis showed that 25-hydroxyvitamin D deficiency was independently associated with dyslipidemia (odds ratio: 1.9; 95% CI : 1.1-3.5). Conclusions. We found that deficiency of 25-hydroxyvitamin D was independently associated with dyslipidemia in Indian subjects
A human B-cell interactome identifies MYB and FOXM1 as master regulators of proliferation in germinal centers
Assembly of a mixed interaction network specific to human B cells.Identification and validation of master regulators of germinal center reaction.MYB and FOXM1 are synergistic master regulators of proliferation in germinal center B cells and control a new protein complex involving replication and mitotic-related genes
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Evolutionary constraints on the sequence of Ras
AbstractEvolutionary constraints on the sequence of RasbyPradeep BandaruDoctor of Philosophy in Molecular and Cellular BiologyUniversity of California, BerkeleyProfessor John Kuriyan, ChairRas proteins are highly conserved signaling molecules that exhibit regulated, nucleotide-dependent switching between an active GTP-bound state that transduces signals by binding to effector proteins, and an inactive GDP-bound state that cannot bind to effectors. The high conservation of Ras requires mechanistic explanation, especially given that proteins are generally robust to mutation, a concept that was first established from early structural and phylogenetic analysis of hemoglobin by Max Perutz and John Kendrew.During my thesis research, I adapted a two-hybrid selection system to analyze how mutations affect the functional cycle of human H-Ras, with the ultimate goal of understanding the constraints on the sequence of Ras that give rise to its high evolutionary conservation. My strategy was to isolate just the minimal biochemical network that defines this cycle, comprising Ras, its effector Raf, a GTPase accelerating protein (GAP), and a guanine-nucleotide exchange factor (GEF). Using this selection system, I analyzed the sensitivity of every residue in Ras to mutation in the context of this network, while excluding the effects of the membrane and additional regulatory factors. This approach provided an opportunity, for the first time, to use deep mutational scanning approaches to study how local regulatory networks influence the mutational sensitivity and phenotypic plasticity of key signaling molecules.I found that Ras exhibits global sensitivity to mutation when regulated by a GAP and a GEF, effectively displaying global constraints that result in the majority of mutations leading to a modest decrease in Ras function. In the absence of regulators, Ras shows considerable tolerance to mutation, as seen previously in saturation mutagenesis experiments on other proteins, where the distribution of mutational effects shifted to be largely neutral. Surprisingly, the analysis of Ras in the absence of regulators also revealed allosteric hotspots of activating mutations in residues that restrain Ras dynamics and promote the inactive, GDP-bound state. This showed that structural fold of Ras is intrinsically capable of accommodating sequence changes that, in evolution, could lead to the acquisition of new function, but could also lead to unwanted Ras activation in disease. Indeed, oncogenic mutations that disturb the switching mechanism of Ras result in aberrant signaling and cancer, highlighted by the fact that Ras is one of the most important proto-oncogenes in the human genome.Altogether, my research shows that the local regulatory network places a stringent constraint on the sequence of Ras, and also creates the potential conditions in which it is susceptible to activating mutations. This extended previous observations that mutational sensitivity in proteins is strongly dependent on the selective conditions in which the protein operates. From a practical perspective, though small molecule inhibitors of Ras have yet to achieve clinical relevance despite a concerted effort to obtain such inhibitors, my research also provides a roadmap of allosteric hotspots of Ras activation that can be exploited to design novel cancer therapeutics
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The Interdependent Activation of Son-of-Sevenless and Ras.
The guanine-nucleotide exchange factor (GEF) Son-of-Sevenless (SOS) plays a critical role in metazoan signaling by converting Rasā¢GDP (guanosine diphosphate) to Rasā¢GTP (guanosine triphosphate) in response to tyrosine kinase activation. Structural studies have shown that SOS differs from other Ras-specific GEFs in that SOS is itself activated by Rasā¢GTP binding to an allosteric site, distal to the site of nucleotide exchange. The activation of SOS involves membrane recruitment and conformational changes, triggered by lipid binding, that open the allosteric binding site for Rasā¢GTP. This is in contrast to other Ras-specific GEFs, which are activated by second messengers that more directly affect the active site. Allosteric Rasā¢GTP binding stabilizes SOS at the membrane, where it can turn over other Ras molecules processively, leading to an ultrasensitive response that is distinct from that of other Ras-specific GEFs
The Interdependent Activation of Son-of-Sevenless and Ras.
The guanine-nucleotide exchange factor (GEF) Son-of-Sevenless (SOS) plays a critical role in metazoan signaling by converting Rasā¢GDP (guanosine diphosphate) to Rasā¢GTP (guanosine triphosphate) in response to tyrosine kinase activation. Structural studies have shown that SOS differs from other Ras-specific GEFs in that SOS is itself activated by Rasā¢GTP binding to an allosteric site, distal to the site of nucleotide exchange. The activation of SOS involves membrane recruitment and conformational changes, triggered by lipid binding, that open the allosteric binding site for Rasā¢GTP. This is in contrast to other Ras-specific GEFs, which are activated by second messengers that more directly affect the active site. Allosteric Rasā¢GTP binding stabilizes SOS at the membrane, where it can turn over other Ras molecules processively, leading to an ultrasensitive response that is distinct from that of other Ras-specific GEFs