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Articles 1 - 7 of 7
Full-Text Articles in Medicine and Health Sciences
Harmonizing Lipidomics: Nist Interlaboratory Comparison Exercise For Lipidomics Using Srm 1950-Metabolites In Frozen Human Plasma, J Bowden, C Ulmer, C Jones, J Koelmel, L Abdullah, Houli Jiang, Michal Schwartzman, Amaury Cazenave-Gassiot, Antonio Checa, Michelle Cinel, Romain Colas, Serge Cremers, Edward Dennis, James Evans, Alexander Fauland, Jun Han, Houli Jiang, Michal Schwartzman
Harmonizing Lipidomics: Nist Interlaboratory Comparison Exercise For Lipidomics Using Srm 1950-Metabolites In Frozen Human Plasma, J Bowden, C Ulmer, C Jones, J Koelmel, L Abdullah, Houli Jiang, Michal Schwartzman, Amaury Cazenave-Gassiot, Antonio Checa, Michelle Cinel, Romain Colas, Serge Cremers, Edward Dennis, James Evans, Alexander Fauland, Jun Han, Houli Jiang, Michal Schwartzman
NYMC Faculty Publications
As the lipidomics field continues to advance, self-evaluation within the community is critical. Here, we performed an interlaboratory comparison exercise for lipidomics using Standard Reference Material (SRM) 1950-Metabolites in Frozen Human Plasma, a commercially available reference material. The interlaboratory study comprised 31 diverse laboratories, with each laboratory using a different lipidomics workflow. A total of 1,527 unique lipids were measured across all laboratories and consensus location estimates and associated uncertainties were determined for 339 of these lipids measured at the sum composition level by five or more participating laboratories. These evaluated lipids detected in SRM 1950 serve as community-wide benchmarks …
Application Of Open-Access Databases To Determine Functional Connectivity Between Resveratrol-Binding Protein Qr2 And Colorectal Carcinoma, Barbara B. Doonan, Evelien Schaafsma, John T. Pinto, Joseph M. Wu, Tze-Chen Hsieh
Application Of Open-Access Databases To Determine Functional Connectivity Between Resveratrol-Binding Protein Qr2 And Colorectal Carcinoma, Barbara B. Doonan, Evelien Schaafsma, John T. Pinto, Joseph M. Wu, Tze-Chen Hsieh
NYMC Faculty Publications
Colorectal cancer (CRC) is a major cause of cancer-associated deaths worldwide. Recently, oral administration of resveratrol (trans-3,5,4'-trihydroxystilbene) has been reported to significantly reduce tumor proliferation in colorectal cancer patients, however, with little specific information on functional connections. The pathogenesis and development of colorectal cancer is a multistep process that can be categorized using three phenotypic pathways, respectively, chromosome instability (CIN), microsatellite instability (MSI), and CpG island methylator (CIMP). Targets of resveratrol, including a high-affinity binding protein, quinone reductase 2 (QR2), have been identified with little information on disease association. We hypothesize that the relationship between resveratrol and different CRC etiologies …
Determination Of Coenzyme A And Acetyl-Coenzyme A In Biological Samples Using Hplc With Uv Detection, Yevgeniya Shurubor, M D'Aurelio, J Clark-Matott, E Isakova, Y Deryabina, M Beal, Arthur Cooper, Boris Krasnikov
Determination Of Coenzyme A And Acetyl-Coenzyme A In Biological Samples Using Hplc With Uv Detection, Yevgeniya Shurubor, M D'Aurelio, J Clark-Matott, E Isakova, Y Deryabina, M Beal, Arthur Cooper, Boris Krasnikov
NYMC Faculty Publications
Coenzyme A (CoA) and acetyl-coenzyme A (acetyl-CoA) play essential roles in cell energy metabolism. Dysregulation of the biosynthesis and functioning of both compounds may contribute to various pathological conditions. We describe here a simple and sensitive HPLC-UV based method for simultaneous determination of CoA and acetyl-CoA in a variety of biological samples, including cells in culture, mouse cortex, and rat plasma, liver, kidney, and brain tissues. The limits of detection for CoA and acetyl-CoA are >10-fold lower than those obtained by previously described HPLC procedures, with coefficients of variation
Syk Inhibitors In Clinical Development For Hematological Malignancies, Delong Liu, Aleksandra Mamorska-Dyga
Syk Inhibitors In Clinical Development For Hematological Malignancies, Delong Liu, Aleksandra Mamorska-Dyga
NYMC Faculty Publications
Spleen tyrosine kinase (Syk) is a cytosolic non-receptor protein tyrosine kinase (PTK) and is mainly expressed in hematopoietic cells. Syk was recognized as a critical element in the B-cell receptor signaling pathway. Syk is also a key component in signal transduction from other immune receptors like Fc receptors and adhesion receptors. Several oral Syk inhibitors including fostamatinib (R788), entospletinib (GS-9973), cerdulatinib (PRT062070), and TAK-659 are being assessed in clinical trials. The second generation compound, entospletinib, showed promising results in clinical trials against B-cell malignancies, mainly chronic lymphoid leukemia. Syk inhibitors are being evaluated in combination regimens in multiple malignancies.
Regulation And Modulation Of Human Dna Polymerase Δ Activity And Function, Marietta Y W T Lee, Xiaoxiao Wang, Sufang Zhang, Zhongtao Zhang, Ernest Y C Lee
Regulation And Modulation Of Human Dna Polymerase Δ Activity And Function, Marietta Y W T Lee, Xiaoxiao Wang, Sufang Zhang, Zhongtao Zhang, Ernest Y C Lee
NYMC Faculty Publications
This review focuses on the regulation and modulation of human DNA polymerase δ (Pol δ). The emphasis is on the mechanisms that regulate the activity and properties of Pol δ in DNA repair and replication. The areas covered are the degradation of the p12 subunit of Pol δ, which converts it from a heterotetramer (Pol δ4) to a heterotrimer (Pol δ3), in response to DNA damage and also during the cell cycle. The biochemical mechanisms that lead to degradation of p12 are reviewed, as well as the properties of Pol δ4 and Pol δ3 that provide insights into their functions …
Whole Genome Expression Profiling Associates Activation Of Unfolded Protein Response With Impaired Production And Release Of Epinephrine After Recurrent Hypoglycemia, J Kim, Edmund La Gamma, T Estabrook, N Kudrick, Bistra Nankova
Whole Genome Expression Profiling Associates Activation Of Unfolded Protein Response With Impaired Production And Release Of Epinephrine After Recurrent Hypoglycemia, J Kim, Edmund La Gamma, T Estabrook, N Kudrick, Bistra Nankova
NYMC Faculty Publications
Recurrent hypoglycemia can occur as a major complication of insulin replacement therapy, limiting the long-term health benefits of intense glycemic control in type 1 and advanced type 2 diabetic patients. It impairs the normal counter-regulatory hormonal and behavioral responses to glucose deprivation, a phenomenon known as hypoglycemia associated autonomic failure (HAAF). The molecular mechanisms leading to defective counter-regulation are not completely understood. We hypothesized that both neuronal (excessive cholinergic signaling between the splanchnic nerve fibers and the adrenal medulla) and humoral factors contribute to the impaired epinephrine production and release in HAAF. To gain further insight into the molecular mechanism(s) …
Maysin And Its Flavonoid Derivative From Centipedegrass Attenuates Amyloid Plaques By Inducting Humoral Immune Response With Th2 Skewed Cytokine Response In The Tg (Appswe, Ps1de9) Alzheimer's Mouse Model, Yuno Song, Hong-Duck Kim, Min-Kwon Lee, Il-Hwa Hong, Chung-Kil Won, Seung Sik Lee, Jae-Hyeon Cho
Maysin And Its Flavonoid Derivative From Centipedegrass Attenuates Amyloid Plaques By Inducting Humoral Immune Response With Th2 Skewed Cytokine Response In The Tg (Appswe, Ps1de9) Alzheimer's Mouse Model, Yuno Song, Hong-Duck Kim, Min-Kwon Lee, Il-Hwa Hong, Chung-Kil Won, Seung Sik Lee, Jae-Hyeon Cho
NYMC Faculty Publications
Alzheimer's disease (AD) is a slow, progressive neurodegenerative disease and the most common type of dementia in the elderly. The etiology of AD and its underlying mechanism are still not clear. In a previous study, we found that an ethyl acetate extract of Centipedegrass (CG) (i.e., EA-CG) contained 4 types of Maysin derivatives, including Luteolin, Isoorientin, Rhamnosylisoorientin, and Derhamnosylmaysin, and showed protective effects against Amyloid beta (Aβ) by inhibiting oligomeric Aβ in cellular and in vitro models. Here, we examined the preventative effects of EA-CG treatment on the Aβ burden in the Tg (Mo/Hu APPswe PS1dE9) AD mouse model. We …