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Renal function during exercise and recovery

Published on: 1st February, 2019

OCLC Number/Unique Identifier: 8022180722

This review paper analyzes the response of renal function during two types of exercise: 1) exercise of increasing intensity and 2) exercise of submaximal intensity and prolonged duration. During an effort of increasing intensity there is a decrease in renal blood flow that, theoretically, could compromise renal function. However, several studies seem to show that the kidney has self-regulatory mechanisms that allow maintaining the filtration fraction. On the other hand, ultra resistance exercises, such as ironman, are becoming more frequent. Knowing the renal response to this type of exercise is essential to apply knowledge to emergency situations such as dehydration or hyponatremia.
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Changes in intraocular pressure after ND-yag laser posterior capsulotomy

Published on: 20th May, 2020

OCLC Number/Unique Identifier: 8605488676

The Nd-Yag L has been developed in Europe since the mid-1970s [10]. Today Nd-Yag LPC has become an established procedure for after cataract. Before the Nd-Yag L came into use, the capsulotomy was done by performing a small puncture with a needle knife or 27 gauge needle, either at the time of original operation or as a secondary procedure through the limbus in aphakic or through pars plana in pseudophakic. The Nd-Yag L preferred because it is non-invasive and infection cannot occur. The most important complication is a transient rise in IOP 1-3 hrs of Nd-Yag LPC [1]. Occasionally the pressure rise is high and can cause serious damage to the optic nerve, so that the IOP should be monitored and appropriate measures should be taken if necessary. Only if we can minimize its frequency or, better still, avoid it, altogether, can we accept Nd-Yag L as a safe procedure in our effort to restore vision. In otherwise normal eyes, a mild elevation of IOP is of no consequence because it usually resolves within 24 hour especially when the patient receives anti-glaucoma drugs before and after laser application. However in eyes with pre-existing glaucoma, the incidence of IOP elevation is higher and its duration is longer than in otherwise normal eyes. Some glaucomatous eyes may therefore require additional glaucoma therapy for several weeks following Nd-Yag LPC [3]. So monitoring is particularly important in the cases of glaucoma with optic nerve damage and field loss as these eyes are susceptible to small pressure rises for even a short period. A single rise to 40mmHg for a few hours can cause irreversible damage to the damaged optic nerve and lead to permanent visual loss or even blindness [1]. The purpose of this study is to evaluate the changes in IOP at 1hour,24hour and 1 week after Nd-Yag LPC.
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Natural killer cells in patients with hematologic malignancies, solid tumors and in recipients of hematopoietic stem cell transplantation

Published on: 9th December, 2019

OCLC Number/Unique Identifier: 8440596237

Natural killer cells represent the first line of defense against infections and tumors and can be derived from various sources including: bone marrow, peripheral blood, specific types of human stem cells, and certain cell lines. The functions of natural killer cells are influenced by: several cytokines, activating and inhibitory receptors, as well as other immune cells such as dendritic cells and mesenchymal stem cells. Natural killer cells are attractive candidates for adoptive cellular therapy in patients with hematologic malignancies and solid tumors in addition to recipients of various forms of hematopoietic stem cell transplantation as they enhance antitumor effects without causing graft versus host disease. Several clinical trials have shown safety and efficacy of natural killer cell products obtained from autologous as well as allogeneic sources and used in conjunction with cytotoxic chemotherapy, monoclonal antibodies and novel agents. The following review, which includes extensive literature review on several aspects of natural killer cells, will give particular attention to: the rising role of natural killer cell therapies in patients with malignant hematological disorders, solid tumors and in recipients of stem cell therapies; preparation and manufacture of natural killer cell products; challenges facing the utilization of this form of cellular therapy including evolution of resistance; and maneuvers that can be employed to enhance the efficacy of natural killer cell therapies as well as suggested solutions to resolve the remaining challenges.
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Bergamot Polyphenolic Fraction supplementation improves metabolic balance, endothelial function and maximal oxygen uptake in athletes

Published on: 10th April, 2018

OCLC Number/Unique Identifier: 7666322929

Background: The study aimed to evaluate the effects of a 4-week Bergamot Polyphenolic Fraction (BPF Gold; Bergamet Sport) supplementation on serum nitric oxide (NO), asymmetric dimethyl-arginine (ADMA), Endopat indices of endothelial function and maximal oxygen uptake (V_ O2max) of athletes. Methods: The effects of dietary supplementation (BPF Gold, 650 mg twice a day for 4 weeks) and placebo administration on flow-mediated dilatation (via Endopat measurements), serum markers (NO, ADMA), lipid profile, and V_ O2max were analysed in 30 athletes both before and after dietary protocols. Results: Significant differences between pre- and post-intervention baseline NO levels were observed after BPF Gold dietary protocol. Higher post-intervention baseline NO level was observed after BPF Gold diet compared with placebo. Moreover BPF Gold Sport increased baseline NO concentration (ΔNO). The positive correlation was observed between baseline post-intervention NO concentration and maximal oxygen uptale and also between ΔNO and ΔVO2max in response to BPF Gold supplementation. There was an association between a higher Edopat values of endothelial function and higher V O2max after Bergamet Sport diet compared with lower values of placebo. Conclusions: These findings suggest that an increase in NO release in response to BPF Gold Sport supplementation may play a central role in cardiovascular adaptive mechanisms and enhanced exercise performance in athletes.
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The Daring of Biosimilars

Published on: 1st May, 2017

OCLC Number/Unique Identifier: 7317653965

The so-called “biotechnological revolution” is changing the structure of the Pharmacopoeia [1]. The space of biological products, previously limited to blood products and vaccines, grew from the introduction of first recombinant therapeutics in the 1980s until attaining a 25% by value of the pharmaceutical market. This share is expected to reach 50% in the coming years. More than 80 biotechnology drugs have entered the market in the last ten years. It is estimated that there are more than 900 biological products on development for more than 100 diseases [2].
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The outcome of Acute Kidney Injury in patients with severe Malaria

Published on: 8th November, 2017

OCLC Number/Unique Identifier: 7317600169

Background: Acute kidney injury (AKI) is a frequent and serious clinical complication in patients with severe malaria. The purpose of this study was to assess the incidence of AKI in a large population of hospitalized patients with a primary admission diagnosis of malaria, and to investigate the robustness of the KDIGO criteria for predicting the need for dialysis, length of hospital stay and hospital mortality. Results: We studied 695 consecutive patients admitted with primary diagnoses of malaria, in a 6 months period. AKI occurred in 86 (12.4%) patients (Stage 1 in 30.2%, Stage 2 in 23.3% and Stage 3 in 46.5%), and 19 (22.1%) patients required hemodialysis. No patient in the no-AKI or AKI Stage 1 groups (admission or maximum AKI Stage) required hemodialysis, and the requirement of hemodialysis was higher in patients with AKI Stage 2 (23.1%) and Stage 3 (42.4%). The length of hospital stay was longer (7.3±7.4 days vs 5.1±3.0 days; t=4.996, p<0.0001), and mortality was higher in patients who developed AKI than in those who did not (22,5% vs 2,5%; χ2=79.52; p<0.0001). Patients with AKI Stage 1, 2 and 3 had significantly higher hospital mortality (11%, 23% and 30%, respectively), compared with 2.5% for patients without AKI [odds ratio 5.2 (1.40-19.11, p=0.0331), 13.2 (4.24-41.06, p=0.0002), and 16.9 (7.26-36.65, p<0.0001)], respectively. Conclusion: In a relatively large cohort of patients with falciparum malaria infection, the KDIGO criteria identified 12.4% with a diagnosis of AKI. The KDIGO classification was robust in this population for predicting the need for dialysis, length of hospital stay and hospital mortality. The results support the utilization of the KDIGO criteria in diagnosis and to predicting outcomes for patients with malarial AKI.
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A review of research process, data collection and analysis

Published on: 11th January, 2019

OCLC Number/Unique Identifier: 7976963925

Research is the process of searching for knowledge. It is systematic search pertinent information on specific topic of interest. It is a careful investigation or inquiry especially through search for new facts in any branch of knowledge [1]. It is a scientific way of getting answers for research questions and testing hypothesis. The research question is based on uncertainty about something in the population. This can be formulated by searching different literatures from index and non index journals, books, internet, and different unpublished research work etc. A good research question should follow the FINER criteria i.e. Feasible, Interesting, Novel, Ethical and Relevant [2].
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Nutritional Value of Three Different Oyster Mushrooms Grown on Cattail Weed Substrate

Published on: 31st August, 2017

OCLC Number/Unique Identifier: 7317653747

Three distinct oyster mushroom strains including Pleurotus florida (PF), Pleurotus eous (PE) and Pleurotus sajor-caju (PS) were successfully cultivated on cattail weed substrate. A comparative analysis of different parameters viz., biological efficiency (BE) and protein, carbohydrate, crude fiber and fat content in fruitbodies were evaluated. According to biological efficiencies obtained PF (90%) was superior strain, while order can be represented as 90%> 89%> 82% respectively in PF>PS>PE. The highest protein (4.8 g), lipid (0. 61 g) and dietary fiber (31.6g) values were obtained in the fruitings of Pleurotus sajor-caju. However, the utmost level of carbohydrate (41g) was recorded in Pleurotus eous. On the basis of the observation of the present study we recommend use of cattail weed substrate for cultivation of oyster mushrooms for better nutrients.
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Management and use of Ash in Britain from the Prehistoric to the Present: Some implications for its Preservation

Published on: 23rd January, 2024

The properties that make the wood of fast-grown Ash pliable, strong, and resilient have been exploited by man for thousands of years, and are illustrated by reference to the probable use of Ash timber for tools, arms, and transport by the Roman Army of Occupation in Britain two thousand years ago. Militarily organized and disciplined, the Roman Army was responsible for changing the face of Britain with huge infrastructure projects that required significant numbers of tools, equipment, and fuel, in addition to the arms it used to maintain control over the fractious tribes of the north. The extent to which it maintained supplies of this valuable resource by managing its woods, possibly by coppicing, is discussed and raises the question as to the degree of genetic selection involved in coppicing.Ash: Fraxinus excelsior: extinction: prehistoric and historic uses: Roman army military use of Ash.
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Effects of KCl (rpm/Heat) on Bacterial Protease Production in E. coli, P. aeruginosa and E. faecalis

Published on: 11th September, 2018

OCLC Number/Unique Identifier: 7850270857

Background: Proteases are a group of enzymes that catalyze the cleavage of peptide bonds in proteins found in nature. Microbial protease constitutes one of the most important for industrial aplications. Proteases play a crucial role in numerous pathologic processes as well. KCl is an unnatural salt. The purpose of this study was to examine the effect of this salt on protease production under different agitation and heat conditions. Methods: The effects of KCl (rpm/heat) on the production of a protease, of E. coli, P. aeruginosa and E. faecalis strain, were investigated. The decrease in protease production at 37 °C was also observed in this work that proved that heat plays a major role in enzyme production. Results: The presence of KCl also caused a decrease in protease production in three bacterial species. The use of KCl appears to be a viable alternative when it is necessary to reduce protease activity outside of industrial applications (such as health care). This unique property makes it attractive and useful to be used in health industries. In the future we think that it will contribute to clarification of the matter in this way.
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