نتایج جستجو برای: asparaginase ii
تعداد نتایج: 582900 فیلتر نتایج به سال:
Asparaginase is a therapeutic enzyme used to treat leukemia and lymphoma, with immune responses resulting in suboptimal drug exposure and a greater risk of relapse. To elucidate whether there is a genetic component to the mechanism of asparaginase-induced immune responses, we imputed human leukocyte antigen (HLA) alleles in patients of European ancestry enrolled on leukemia trials at St. Jude C...
In a series of 40 patients treated with L-asparaginase for various neoplastic diseases, 6 patients had generalized anaphylactic reactions to L-asparaginase. Each of these reactors had antibodies detectable by passive hemagglutination, but precipitins were detectable in only one of this group of six patients. That patient had received two courses of the enzyme. 1 wk after the anaphylactic reacti...
Secondary Diabetes Mellitus (DM) has been associated in about 1-14% of patients with hematologic malignancy treated with L-asparaginase. An 11-year old Filipino female, diagnosed with Acute Lymphoblastic Leukemia, developed hyperglycemia associated with polyuria and polydipsia while on-going induction chemotherapy. There was no family history of diabetes mellitus. Chemotherapy drugs included L-...
Objectives This is a protocol for Cochrane Review (intervention). The objectives are as follows: To assess the effect of number PEG‐asparaginase doses on survival and relapse in children adolescents with acute lymphoblastic leukaemia (ALL). Secondary association between asparaginase‐associated toxicities (e.g. hypersensitivity, thromboembolism, pancreatitis osteonecrosis). undertake network met...
Asparaginase antibodies (AAAs) neutralize asparaginase and are often accompanied by a clinically overt allergic reaction, but in a proportion of the patients these antibodies occur without any signs of hypersensitivity, termed as silent inactivation. Vrooman et al. and Panosyan et al. showed that children with silent inactivation of native E.Coli asparaginase had poorer outcomes as they were no...
Homogeneols L-asparaginase with anti-lymphoma activity was prepared from Vibrio succinogenes, an anaerobic bacterium from the bovine rumen. An overall yield of pure L-asparaginase of 40 to 45% and a specific activity of 200 +/- 2 IU per mg of protein was obtained. The pure enzyme can be stored at -20 degrees for at least 3 months with no loss of activity. The isoelectric point of the L-asparagi...
This article comprises detail information about Lasparaginase, encompassing topic such as various sources of Lasparaginase, mechanism and properties of L-asparaginase. Also describe the production, cultivation and purification of Lasparaginase along with information about the application of Lasparaginase. L-asparaginase catalyzes the conversion reaction to convert asparagine to aspartic acid an...
The objective of the research was to understand the structural determinants governing protein aggregation into inclusion bodies during expression of recombinant proteins in Escherichia coli. Recombinant human growth hormone (hGH) and asparaginase were expressed as inclusion bodies in E.coli and the kinetics of aggregate formation was analyzed in details. Asparaginase inclusion bodies were of sm...
L-asparaginase and L-glutaminase can be effectively used for the treatment of patients who suffer from accute lymphoblastic leukemia and tumor cells. Microbial sources are the best source for the bulk production of these enzymes. However, their long-term administration may cause immunological responses, so screening for new enzymes with novel properties is required. Halophilic and halotolerant ...
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