Institute of New Jersey

Jersey City, NJ, United States

Institute of New Jersey

Jersey City, NJ, United States
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Nghiem P.,Fred Hutchinson Cancer Research Center | Kaufman H.L.,Institute of New Jersey | Bharmal M.,Merck KGaA | Mahnke L.,EMD Serono, Inc. | And 2 more authors.
Future Oncology | Year: 2017

Aim: Merkel cell carcinoma (MCC) is a rare neuroendocrine, cutaneous malignancy with poor prognosis once metastasized. The aim of this study was to conduct a systematic literature review to assess clinical outcomes associated with chemotherapy regimens in metastatic MCC. Materials & methods: Embase®, MEDLINE®, MEDLINE®-In-Process and CENTRAL were searched for studies published in January 2016. Results & conclusion: Overall, the literature on chemotherapy in patients with metastatic MCC is sparse, with most studies being case series/reports. Across all studies, response rates ranged from 20 to 61%, with higher response rates in first-line setting (53-61%) versus second-line setting (23-45%). Among responders, duration of response was short (≤8 months) in both first- and second-line settings. There is a need for novel agents that can induce durable responses in metastatic MCC. © 2017 Paul Nghiem.


Matsuura I.,Rutgers University | Matsuura I.,Institute of New Jersey | Matsuura I.,National Health Research Institute | Chiang K.-N.,National Health Research Institute | And 12 more authors.
Journal of Biological Chemistry | Year: 2010

Transforming growth factor-β(TGF-β) regulates a wide variety of biological activities. It induces potent growth-inhibitory responses in normal cells but promotes migration and invasion of cancer cells. Smads mediate the TGF-β responses. TGF-β binding to the cell surface receptors leads to the phosphorylation of Smad2/3 in their Cterminus as well as in the proline-rich linker region. The serine/threonine phosphorylation sites in the linker region are followed by the proline residue. Pin1, a peptidyl-prolyl cis/trans isomerase, recognizes phosphorylated serine/threonine-proline motifs. Here we show that Smad2/3 interacts with Pin1 in a TGF-β-dependent manner. We further show that the phosphorylated threonine 179-proline motif in the Smad3 linker region is the major binding site for Pin1. Although epidermal growth factor also induces phosphorylation of threonine 179 and other residues in the Smad3 linker region the same as TGF-β, Pin1 is unable to bind to the epidermal growth factor-stimulated Smad3. Further analysis suggests that phosphorylation of Smad3 in the C terminus is necessary for the interaction with Pin1. Depletion of Pin1 by small hairpin RNA does not significantly affect TGF-β-induced growth-inhibitory responses and a number of TGF-β/Smad target genes analyzed. In contrast, knockdown of Pin1 in human PC3 prostate cancer cells strongly inhibited TGF-β-mediated migration and invasion. Accordingly, TGF-β induction of N-cadherin, which plays an important role in migration and invasion, is markedly reduced when Pin1 is depleted in PC3 cells. Because Pin1 is overexpressed in many cancers, our findings highlight the importance of Pin1 in TGF-β-induced migration and invasion of cancer cells. © 2010 by The American Society for Biochemistry and Molecular Biology, Inc.


PubMed | University of the West Indies, Institute of New Jersey and University of Washington
Type: Journal Article | Journal: Revista panamericana de salud publica = Pan American journal of public health | Year: 2016

Advances in human genetics and genomic sciences and the corresponding explosion of biomedical technologies have deepened current understanding of human health and revolutionized medicine. In developed nations, this has led to marked improvements in disease risk stratification and diagnosis. These advances have also led to targeted intervention strategies aimed at promoting disease prevention, prolonging disease onset, and mitigating symptoms, as in the well-known case of breast cancer and the BRCA1 gene. In contrast, in the developing nation of Trinidad and Tobago, this scientific revolution has not translated into the development and application of effective genomics-based interventions for improving public health. While the reasons for this are multifactorial, the underlying basis may be rooted in the lack of pertinence of internationally driven genomics research to the local public health needs in the country, as well as a lack of relevance of internationally conducted genetics research to the genetic and environmental contexts of the population. Indeed, if Trinidad and Tobago is able to harness substantial public health benefit from genetics/genomics research, then there is a dire need, in the near future, to build local capacity for the conduct and translation of such research. Specifically, it is essential to establish a national human genetics/genomics research agenda in order to build sustainable human capacity through education and knowledge transfer and to generate public policies that will provide the basis for the creation of a mutually beneficial framework (including partnerships with more developed nations) that is informed by public health needs and contextual realities of the nation.

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