S
Stefan N. Constantinescu
Researcher at Ludwig Institute for Cancer Research
Publications - 208
Citations - 16882
Stefan N. Constantinescu is an academic researcher from Ludwig Institute for Cancer Research. The author has contributed to research in topics: Signal transduction & Receptor. The author has an hindex of 57, co-authored 190 publications receiving 14994 citations. Previous affiliations of Stefan N. Constantinescu include Carol Davila University of Medicine and Pharmacy & University of Tennessee Health Science Center.
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Journal ArticleDOI
A unique clonal JAK2 mutation leading to constitutive signalling causes polycythaemia vera
Chloé James,Valérie Ugo,Jean-Pierre Le Couedic,Judith Staerk,François Delhommeau,Catherine Lacout,Loïc Garçon,Hana Raslova,Roland Berger,Annelise Bennaceur-Griscelli,Jean-Luc Villeval,Stefan N. Constantinescu,Nicole Casadevall,William Vainchenker +13 more
TL;DR: A clonal and recurrent mutation in the JH2 pseudo-kinase domain of the Janus kinase 2 (JAK2) gene in most (> 80%) polycythaemia vera patients leads to constitutive tyrosine phosphorylation activity that promotes cytokine hypersensitivity and induces erythrocytosis in a mouse model.
Journal ArticleDOI
Development of Human Protein Reference Database as an Initial Platform for Approaching Systems Biology in Humans
Suraj Peri,Suraj Peri,J. Daniel Navarro,J. Daniel Navarro,Ramars Amanchy,Troels Z. Kristiansen,Troels Z. Kristiansen,Chandra Kiran Jonnalagadda,Vineeth Surendranath,Vidya Niranjan,Babylakshmi Muthusamy,Tejal K. Gandhi,Mads Grønborg,Mads Grønborg,Nieves Ibarrola,Nandan P. Deshpande,K. Shanker,H N Shivashankar,B. P. Rashmi,M A Ramya,Zhixing Zhao,K N Chandrika,N. Padma,H. C. Harsha,A.J. Yatish,M.P. Kavitha,Minal Menezes,Dipanwita Roy Choudhury,Shubha Suresh,Neelanjana Ghosh,R. Saravana,Sreenath Chandran,Subhalakshmi Krishna,Mary Joy,Sanjeev K. Anand,V. Madavan,Ansamma Joseph,Guang W. Wong,William P. Schiemann,Stefan N. Constantinescu,Lily Jun Shen Huang,Roya Khosravi-Far,Hanno Steen,Muneesh Tewari,Saghi Ghaffari,Gerard C. Blobe,Chi V. Dang,Joe G.N. Garcia,Jonathan Pevsner,Ole N. Jensen,Peter Roepstorff,Krishna S. Deshpande,Arul M. Chinnaiyan,Ada Hamosh,Aravinda Chakravarti,Akhilesh Pandey +55 more
TL;DR: The Human Protein Reference Database (HPRD) as mentioned in this paper is an object database that integrates a wealth of information relevant to the function of human proteins in health and disease, including protein-protein interactions, posttranslational modifications, enzyme/substrate relationships, disease associations, tissue expression, and subcellular localization.
Journal ArticleDOI
NetPath: a public resource of curated signal transduction pathways
Kumaran Kandasamy,Subburaman Mohan,Rajesh Raju,Shivakumar Keerthikumar,Ghantasala S. Sameer Kumar,Abhilash K. Venugopal,Deepthi Telikicherla,Daniel J. Navarro,Suresh Mathivanan,Christian Pecquet,Sashi Kanth Gollapudi,Sudhir Gopal Tattikota,Shyam Mohan,Hariprasad Padhukasahasram,Yashwanth Subbannayya,Renu Goel,Harrys K.C. Jacob,Jun Zhong,Raja Sekhar,Vishalakshi Nanjappa,Lavanya Balakrishnan,Roopashree Subbaiah,Y. L. Ramachandra,B. Abdul Rahiman,T. S. Keshava Prasad,Jian Xin Lin,Jon C. D. Houtman,Stephen Desiderio,Jean-Christophe Renauld,Stefan N. Constantinescu,Osamu Ohara,Toshio Hirano,Masato Kubo,S. Singh,Purvesh Khatri,Sorin Draghici,Gary D. Bader,Gary D. Bader,Chris Sander,Warren J. Leonard,Akhilesh Pandey +40 more
TL;DR: NetPath provides detailed maps of a number of immune signaling pathways, which include approximately 1,600 reactions annotated from the literature and more than 2,800 instances of transcriptionally regulated genes - all linked to over 5,500 published articles.
Journal ArticleDOI
Interleukin-22 (IL-22) activates the JAK/STAT, ERK, JNK, and p38 MAP kinase pathways in a rat hepatoma cell line. Pathways that are shared with and distinct from IL-10.
Diane Lejeune,Laure Dumoutier,Stefan N. Constantinescu,Wiebe Kruijer,Jan Jacob Schuringa,Jean-Christophe Renauld +5 more
TL;DR: It is found that IL-22 induces activation of JAK1 and Tyk2 but not JAK2, as well as phosphorylation of STAT1, STAT3, and STAT5 on tyrosine residues, extending the similarities between IL- 22 and IL-10.
Journal ArticleDOI
JAK/STAT signaling in hematological malignancies
William Vainchenker,William Vainchenker,William Vainchenker,Stefan N. Constantinescu,Stefan N. Constantinescu +4 more
TL;DR: The nature and respective contribution of mutations dysregulating the JAK/STAT pathway in hematological malignancies are discussed and examples in which such mutations drive the disease, contribute to the phenotype, or provide a survival and proliferative advantage are presented.