نتایج جستجو برای: calr
تعداد نتایج: 723 فیلتر نتایج به سال:
Proteomic-based approaches for biomarker discovery are promising strategies used in cancer research. In this study, we performed quantitative proteomic analysis on 16 paired samples of non-small cell lung cancer (NSCLC) and adjacent non-tumor lung tissues using label-free quantitative proteomics and liquid chromatography-tandem mass spectrometry/mass spectrometry (LC-MS/MS) to identify differen...
Two very recent reports made a tremendous breakthrough in our understanding of the molecular basis of myeloproliferative neoplasms (MPNs) without mutations in Janus kinase 2 (JAK2) and myeloproliferative leukemia (MPL) virus oncogene genes. Klampfl et al. and Nangalia et al. independently identified recurrent somatic mutation in the calreticulin (CALR) gene exclusively in patients with JAK2 and...
هدف: جهش CALR به تازگی در نئوپلاسمهای میلوپرولیفراتیو شناسایی شده است، اما اطلاعات اندکی در مورد بروز این جهش در ایران وجود دارد. مطالعه حاضر جهت بررسی مولکولی جهشهای ژن CALR در کودکان مبتلا به سرطان خون بستری در بیمارستانهای شهر کرمان انجام شد. مواد و روشها: پژوهش حاضر از نوع مطالعه تجربی بوده و در آن جهش کالرتیکولین...
Essential thrombocythemia (ET) is a myeloproliferative neoplasm characterized by a clonal expansion of megakaryocytes. ET can result in both arterial and venous thrombosis. Involvement of the coronary arteries has been reported. Patients who harbor a CALR mutation are half as likely to suffer a thrombotic event as compared to patients with a JAK2 mutation. We report a case of CALR-mutated ET wh...
In the 2016 version of WHO classification, bone marrow morphology is critical in the distinction between ET and pre-PMF. Reticulin-fiber grading becomes central: grade 1 or less is needed for ET. Furthermore, CALR assessment must be performed in all ET patients without JAK2 mutation. Some prognostic implications have been described for CALR mutations, i.e., a lower risk of thrombosis in ET. Abb...
The myeloproliferative neoplasms are chronic myeloid cancers divided in Philadelphia positive (Ph+), chronic myeloid leukemia, or negative: polycythemia vera (PV) essential thrombocythemia (ET), and primary myelofibrosis (PMF). Most Ph negative cases have an activating JAK2 or MPL mutation. Recently, somatic mutations in the calreticulin gene (CALR) were detected in 56-88% of JAK2/MPL-negative ...
Janus kinase 2 (JAK2) mutations define polycythemia vera (PV). Calreticulin (CALR) and myeloproliferative leukemia virus oncogene (MPL) mutations are specific to JAK2-unmutated essential thrombocythemia (ET) and primary myelofibrosis (PMF). We examined the effect of these mutations on long-term disease outcome. One thousand five hundred eighty-one patients from the Mayo Clinic (n = 826) and Ita...
3. Nangalia J, Massie CE, Baxter EJ, et al. Somatic CALR mutations in myeloproliferative neoplasms with nonmutated JAK2. N Engl J Med. 2013; 369(25):2391-2405. 4. Rumi E, Pietra D, Ferretti V, et al; Associazione Italiana per la Ricerca sul Cancro Gruppo Italiano Malattie Mieloproliferative Investigators. JAK2 or CALR mutation status defines subtypes of essential thrombocythemia with substantia...
Genomic studies have identified somatic alterations in the majority of myeloproliferative neoplasms (MPN) patients, including JAK2 mutations in the majority of MPN patients and CALR mutations in JAK2-negative MPN patients. However, the role of JAK-STAT pathway activation in different MPNs, and in patients without JAK2 mutations, has not been definitively delineated. We used expression profiling...
Hyperglycemia is an independent risk factor for diabetic cardiomyopathy in humans; however, the underlying mechanisms have not been thoroughly elucidated. Zebrafish (Danio rerio) was used in this study as a novel vertebrate model to explore the signaling pathways of human adult cardiomyopathy. Hyperglycemia was induced by alternately immersing adult zebrafish in a glucose solution or water. The...
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