Vikas Shrivastava

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Chitosan is a deacetylated product of chitin produced by chitin deacetylase, an enzyme that hydrolyses acetamido groups of N-acetylglucosamine in chitin. Chitosan is a natural polymer that has great potential in biotechnology and in the biomedical and pharmaceutical industries. Commercially, it is produced from chitin via a harsh thermochemical process that(More)
Complete development of Ancylostoma ceylanicum (Hamster strain) is reported for the first time in mice. A patent infection (viz. ova in faeces) could be established only under the influence of hydrocortisone acetate. Cultures made from the faeces containing eggs produced viable larvae which were infective to mice.
Tissue inhibitor of metalloproteinase-1 (TIMP-1) was evaluated in the pre-treatment serum of 55 newly diagnosed patients with symptomatic myeloma. TIMP-1 was elevated in 47% of patients and correlated with lytic bone disease and increased bone resorption. Importantly, TIMP-1 correlated with ISS stage (p=0.005) and was an independent prognostic covariate for(More)
11092 Background: Approximately half of HER2-positive breast cancer patients will respond to first-line trastuzumab-containing therapy. However, in those patients with an initial trastuzumab response, most will progress within a year with acquired resistance. Since trastuzumab treatment is also now used in the HER2-positive adjuvant breast cancer setting,(More)
The phenomenon of platelet satellitism (PS) is characterized by formation of platelet rosettes around polymorphonuclear leukocytes. We present a case of chronic Kidney disease that developed PS after second cycle of dialysis. A group of experiments have been conducted that suggested that contrary to common belief, anticoagulant does not play any role. In(More)
A 58-year-old white man with prostate-specific antigen (PSA) level of 6 ng/mL, a Gleason score of 6 (3+3), and T2a adenocarcinoma of the prostate underwent prostatectomy. On review of the pathology, the specimen contained a Gleason score of 8 (3+5) with other high-risk features. The patient had a persistently elevated postoperative PSA level and was placed(More)
e15568 Background: Tissue inhibitor of metalloproteinase-1 (TIMP-1) has been shown to have diverse multifunctional roles in tumorigenesis such as inhibition of the catalytic activity of MMPs, growth promotion, inhibition of apoptosis and regulation of angiogenesis. Elevated TIMP-1 has been associated with an unfavorable prognosis in many cancers including(More)
BACKGROUND A single diagnostic test for acute undifferentiated febrile illnesses (AUFI) is elusive. This pilot study was undertaken on the premise that leucocytes, being the main cells of defence, undergo quantitative, structural and functional changes in AUFI. We evaluated the potential of volume, conductivity and scatter (VCS) parameters of leucocytes,(More)