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Sunday, November 23, 2014
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Point-of-care testing for prostate cancer diagnosis
Y. Uludag; I.E. Tothill

This presentation describes the potential of using a new fully automated QCM biosensor and a commercial SPR biosensor for the detection of PSA, a biomarker for prostate cancer. Initially a new buffer was formulated to eliminate 98% of the non-specific human serum protein binding to the sensors. Obtained results indicate that both instruments can be used for the fast and easy detection of PSA (0.29-150 ng/ml) in serum.

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T cell response to cholera infection
Weil AA, Arifuzzaman M, Bhuiyan TR, Harris JB, Kendall EA, Hossain A, LaRocque RC, Harris AM, Tarique AA, Chowdhury F, Khan AI, Banerjee KK, Ryan ET, Qadri F, Calderwood SB

Natural Vibrio cholerae infection generates a robust B-cell response that wanes for T-cell independent antigens, suggesting that B-cell responses may be mediated in a T-cell dependent manner. Patients with cholera develop a memory-effector T-cell response to cholera antigens, and B-cell activation occurs after T-cell population expansion, suggesting that T-cells may play an important role in the development and maintenance of memory B-cell responses to T-cell dependent antigens.

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Resorufin - a lead for a new protein kinase CK2 inhibitor
Iben Skjøth Sandholt1, Birgitte Brinkmann Olsen1, Barbara Guerra1, Olaf-Georg Issinger1, Brigitte Boldyreff2

Screening of a natural compound library led to the identification of resorufin, as a highly selective and potent inhibitor for protein kinase CK2. Out of 52 kinases tested only CK2 was inhibited. The IC50 values determined for the CK2 holoenzymes were 1.5 µM and for the free catalytic subunits ca. 4 µM. In different cancer cell lines treatment with resorufin led to cell death and endogenous CK2 was inhibited.

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Knowledge of personal energy requirements in college students
Aurora Buffington, MS, RD, Richard Tandy, PhD, and Laura Kruskall, PhD, RD, CSSD, FACSM

This study explored whether university students were able to estimate their energy requirements within a range of calories equal to predicted Estimated Energy Requirements (EER) two standard deviations. Students significantly underestimated their EER by 700 calories (p<.001). Fewer males than expected were able to estimate energy requirements as compared to females, 41.3% vs. 20.6%, ?2 (1) = 7.236, p=.007.

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A Novel Multiplexed Digital Gene Expression Technology
Gary K. Geiss1,#, Roger Bumgarner2, Brian Birditt1, Timothy Dahl1, Naeem Dowidar1, Dwayne L. Dunaway1, H. Perry Fell1, Sean Ferree1, Renee D. George1, Tammy Grogan1, Jeffrey J. James1, Malini Maysuria1, Jeffrey D. Mitton1, Paola Oliveri4, Jennifer L. Osborn3, Tao Peng2, Amber L. Ratcliffe1, Philippa J. Webster1, Eric H. Davidson4, and Leroy Hood5

We describe a novel platform, the nCounter Analysis System, for sensitive, highly multiplexed, digital gene expression analysis based on NanoString’s novel molecular barcoding technology. Detection of individual mRNA molecules using an assigned sequence of six different fluorescent spots per probe are detected, and then the number of times that code sequence appears in a sample are counted.

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SESTAMIBI SCAN FOR HYPERPARATHYROIDISM, AN ASSESSMENT OF PERFORMANCE
Jubbin Jacob1, Mathew George1, Nihal Thomas1, Regi Oomen2, Nylla Shantly2, Arvindan Nair3 and M.S. Sheshadri1

To calculate the sensitivity, specificity and positive predictive value of 99 Tc Sestambi scan in the localization of parathyroid disease and to calculate the cost benefit of routine pre-operative scan.

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A PALPABLE NODULE IS THE ONLY SIGNIFICANT PREOPERATIVE CLUE IN THE DIAGNOSIS OF PARATHYROID CARCINOMA IN INDIA - A CASE SERIES
Senthil Vasan*, Jubbin J Jacob*, C K Ben Selvan$, Deepak T Abraham$, M J Paul$

Parathyroid tumours account for a very small percentage of all head and neck neoplasms. The clinical presentation of benign primary hyperparathyroidism differs from that seen in Western series. We attempt to review the presentation and outcomes of patients treated for malignant primary hyperparathyroidism from our centre and highlight the clinical clues to a early pre-operative diagnosis.

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No Impact of Dietary Iodine Restriction in Short Term Development of Hypothyroidism Following Fixed Dose Radioactive Iodine Therapy for Graves Disease
Jubbin J Jacob*, Charles Stephen§, Nihal Thomas*, Regi Oommen¶ and M.S.Seshadri*

To study the outcomes at 6 months after fixed dose 131I therapy for Graves’ disease (GD) with an iodine restricted diet.

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SESTAMIBI SCAN FOR HYPERPARATHYROIDISM, AN ASSESSMENT OF PERFORMANCE
Jubbin Jacob1, Mathew George1, Nihal Thomas1, Regi Oomen2, Nylla Shantly2, Arvindan Nair3 and M.S. Sheshadri1

To calculate the sensitivity, specificity and positive predictive value of 99 Tc Sestambi scan in the localization of parathyroid disease and to calculate the cost benefit of routine pre-operative scan.

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Showing Results 81 - 90 of 153
Scientific News
Breakthrough in Managing Yellow Fever Disease
UC Riverside-led research could lead to antiviral therapeutics and better diagnostics to prevent spread of potentially fatal viral infection.
Almac Announces Launch of CLIA Validated Next Generation Sequencing Assay
P53 considered important biomarker for cancer drug discovery.
Blood Test Could Reduce Antibiotic Use
A new blood biomarker test that indicates whether bacteria is the cause of a patient’s lung infection is now being studied at UPMC Presbyterian.
Light Shed On Genetic Architecture Of Kidney Cancer
Research reveals link between renal cell carcinoma and exposure to aristolochic acid.
Classification of Gene Mutations in Neuroblastoma
Penn Medicine and CHOP experts define riskier mutations in neuroblastoma, setting stage for clinical trial.
Typhoid Gene Unravelled
Natural resistance against typhoid fever is linked to a particular form of the HLA-DRB1 gene.
New Genetic Cause of Epilepsy Identified
San Diego girl improves after discovery of DNA mutation tied to potassium regulation.
First Atlas of Body Clock Gene Expression in Mammals Informs Timing of Drug Delivery
Penn Medicine study has implications for 100 top-selling US drugs, half of which target daily-oscillating genes.
Single Gene Mutation Eliminates ISG15
Single gene links susceptibility to rare infections with predisposition to autoimmune disease.
New Technique Yields Drug, Biomedical Test Results in One Minute
Slug flow microextraction makes it possible to quickly detect the presence of drugs or to monitor certain medical conditions using only a single drop of blood or urine.
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