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https://www.readbyqxmd.com/read/28454232/philadelphia-chromosome-with-acute-myeloid-leukemia-and-concurrent-large-b-cell-lymphoma-of-different-origins-a-case-report
#1
Yang Dai, Xiao Shuai, Pu Kuang, Lin Wang, Ting Liu, Ting Niu
Philadelphia chromosome with de novo acute myeloid leukemia (Ph + AML) arising from t(9;22) is an uncommon occurrence. Ph + AML is known to respond poorly to conventional chemotherapy. To the best of our knowledge, simultaneous diagnosis of de novo Ph + AML and lymphoma in a single patient has not yet been reported. The present study reports the case of a 37-year-old female patient who presented with bone pain, fever and lymphadenopathy, and was diagnosed as Ph + AML with concurrent diffuse large B cell lymphoma...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28449558/in-silicomodel-driven-assessment-of-the-effects-of-brain-derived-neurotrophic-factor-deficiency-on-glutamate-and-gamma-aminobutyric-acid-implications-for-understanding-schizophrenia-pathophysiology
#2
Rimjhim Agrawal, Sunil Vasu Kalmady, Ganesan Venkatasubramanian
Objective: Deficient brain-derived neurotrophic factor (BDNF) is one of the important mechanisms underlying the neuroplasticity abnormalities in schizophrenia. Aberration in BDNF signaling pathways directly or circuitously influences neurotransmitters like glutamate and gamma-aminobutyric acid (GABA). For the first time, this study attempts to construct and simulate the BDNF-neurotransmitter network in order to assess the effects of BDNF deficiency on glutamate and GABA. Methods: Using CellDesigner, we modeled BDNF interactions with calcium influx via N-methyl-D-aspartate receptor (NMDAR)- Calmodulin activation; synthesis of GABA via cell cycle regulators protein kinase B, glycogen synthase kinase and β-catenin; transportation of glutamate and GABA...
May 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28447733/gene-expression-profile-in-human-induced-pluripotent-stem-cells-chondrogenic-differentiation-in%C3%A2-vitro-part-b
#3
Ewelina Augustyniak, Wiktoria Maria Suchorska, Tomasz Trzeciak, Magdalena Richter
The development of human induced pluripotent stem cells (hiPSCs) is considered a turning point in tissue engineering. However, more data are required to improve understanding of key aspects of the cell differentiation process, including how specific chondrogenic processes affect the gene expression profile of chondrocyte‑like cells and the relative value of cell differentiation markers. The main aims of the present study were as follows: To determine the gene expression profile of chondrogenic‑like cells derived from hiPSCs cultured in mediums conditioned with HC‑402‑05a cells or supplemented with transforming growth factor β3 (TGF‑β3), and to assess the relative utility of the most commonly‑used chondrogenic markers as indicators of cell differentiation...
March 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28446903/simulating-intestinal-growth-conditions-enhances-toxin-production-of-enteropathogenic-bacillus-cereus
#4
Nadja Jeßberger, Corinna Rademacher, Viktoria M Krey, Richard Dietrich, Ann-Katrin Mohr, Maria-Elisabeth Böhm, Siegfried Scherer, Monika Ehling-Schulz, Erwin Märtlbauer
Bacillus cereus is a ubiquitous bacterial pathogen increasingly reported to be the causative agent of foodborne infections and intoxications. Since the enterotoxins linked to the diarrheal form of food poising are foremost produced in the human intestine, the toxic potential of enteropathogenic B. cereus strains is difficult to predict from studies carried out under routine cultivation procedures. In this study, toxigenic properties of a panel of strains (n = 19) of diverse origin were compared using cell culture medium pre-incubated with CaCo-2 cells to mimic intestinal growth conditions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28445549/impact-of-the-c-mybe308g-mutation-on-mouse-myelopoiesis-and-dendritic-cell-development
#5
Peter Papathanasiou, Sawang Petvises, Ying-Ying Hey, Andrew C Perkins, Helen C O'Neill
Booreana mice carrying the c-Myb308G point mutation were analyzed to determine changes in early hematopoiesis in the bone marrow and among mature cells in the periphery. This point mutation led to increased numbers of early hematopoietic stem and progenitor cells (HSPCs), with a subsequent reduction in the development of B cells, erythroid cells, and neutrophils, and increased numbers of myeloid cells and granulocytes. Myelopoiesis was further investigated by way of particular subsets affected. A specific question addressed whether booreana mice contained increased numbers of dendritic-like cells (L-DC subset) recently identified in the spleen, since L-DCs arise in vitro by direct differentiation from HSPCs co-cultured over splenic stroma...
2017: PloS One
https://www.readbyqxmd.com/read/28444658/comparing-the-immune-genomic-effects-of-vilazodone-and-paroxetine-in-late-life-depression-a-pilot-study
#6
Harris Eyre, Prabha Siddarth, Natalie Cyr, Hongyu Yang, Steve Cole, Malcolm Forbes, Helen Lavretsky
Vilazodone is a novel antidepressant agent that combines selective serotonin (5-HT) reuptake inhibitor (SSRI) activity and 5-HT(1A) receptor partial agonist activity. A pilot study was conducted to compare vilazodone (novel compound) and paroxetine (gold standard) on antidepressant effects, tolerability, and inflammation and immune modulation. A 12-week, double-blind, randomized clinical trial was conducted with 56 nondemented older adults diagnosed with major depressive disorder (MDD). Between-group differences in mood, tolerability, and safety, as well as genomic markers of inflammation and immune modulation, were examined...
April 25, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28444387/meiotic-genes-are-enriched-in-regions-of-reduced-archaic-ancestry
#7
B Jégou, S Sankararaman, A D Rolland, D Reich, F Chalmel
About 1-6% of the genetic ancestry of modern humans today originates from admixture with archaic humans. It has recently been shown that autosomal genomic regions with a reduced proportion of Neanderthal and Denisovan ancestries are significantly enriched in genes that are more expressed in testis than in other tissues. To determine whether a cellular segregation pattern would exist, we combined maps of archaic introgression with a cross-analysis of three transcriptomic datasets deciphering the transcriptional landscape of human gonadal cell types...
April 21, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28444238/high-purity-circular-rna-isolation-method-rpad-reveals-vast-collection-of-intronic-circrnas
#8
Amaresh C Panda, Supriyo De, Ioannis Grammatikakis, Rachel Munk, Xiaoling Yang, Yulan Piao, Dawood B Dudekula, Kotb Abdelmohsen, Myriam Gorospe
High-throughput RNA sequencing methods coupled with specialized bioinformatic analyses have recently uncovered tens of thousands of unique circular (circ)RNAs, but their complete sequences, genes of origin and functions are largely unknown. Given that circRNAs lack free ends and are thus relatively stable, their association with microRNAs (miRNAs) and RNA-binding proteins (RBPs) can influence gene expression programs. While exoribonuclease treatment is widely used to degrade linear RNAs and enrich circRNAs in RNA samples, it does not efficiently eliminate all linear RNAs...
April 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28443200/epidemiology-of-ovarian-cancer-a-review
#9
Brett M Reid, Jennifer B Permuth, Thomas A Sellers
Ovarian cancer (OC) is the seventh most commonly diagnosed cancer among women in the world and the tenth most common in China. Epithelial OC is the most predominant pathologic subtype, with five major histotypes that differ in origination, pathogenesis, molecular alterations, risk factors, and prognosis. Genetic susceptibility is manifested by rare inherited mutations with high to moderate penetrance. Genome-wide association studies have additionally identified 29 common susceptibility alleles for OC, including 14 subtype-specific alleles...
February 2017: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28442530/breach-of-autoreactive-b-cell-tolerance-by-post-translationally-modified-proteins
#10
Jacqueline S Dekkers, Marije K Verheul, Jeroen N Stoop, Bisheng Liu, Andreea Ioan-Facsinay, Peter A van Veelen, Arnoud H de Ru, George M C Janssen, Martin Hegen, Steve Rapecki, Tom W J Huizinga, Leendert A Trouw, René E M Toes
OBJECTIVES: Over 50% of patients with rheumatoid arthritis (RA) harbour a variety of anti-modified protein antibodies (AMPA) against different post-translationally modified (PTM) proteins, including anti-carbamylated protein (anti-CarP) antibodies. At present, it is unknown how AMPA are generated and how autoreactive B cell responses against PTM proteins are induced. Here we studied whether PTM foreign antigens can breach B cell tolerance towards PTM self-proteins. METHODS: Serum reactivity towards five carbamylated proteins was determined for 160 patients with RA and 40 healthy individuals...
April 25, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28440556/direct-hemoperfusion-with-polymyxin-b-immobilized-fibre-treatment-for-acute-exacerbation-of-interstitial-pneumonia
#11
Haruhiko Furusawa, Makiko Sugiura, Chieko Mitaka, Naohiko Inase
BACKGROUND AND OBJECTIVE: Acute exacerbation of idiopathic pulmonary fibrosis (AE-IPF) is recognized as an important cause of mortality. AE has also been reported in patients with other interstitial lung diseases such as idiopathic non-specific interstitial pneumonia (NSIP) and interstitial pneumonia associated with collagen vascular disease (CVD). Current therapies such as high-dose corticosteroid with immunosuppressive agents have provided little benefit for AE. Direct hemoperfusion (DHP) with a polymyxin B-immobilized fibre column (PMX) was originally developed for the treatment of endotoxaemia...
April 25, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28439689/divergent-schwannoma-like-phenotype-in-a-pleomorphic-adenoma
#12
Srinivasa R Chandra, Farah Karim, Yeshwant B Rawal
The schwannoma-like pleomorphic adenoma is a rare histopathological variant of the pleomorphic adenoma. Five previous reports with seven cases exist in English language literature. These tumors present in the parotid gland most commonly. Intraparotid schwannomas of the facial nerve and schwannomas with glandular differentiation have also been reported. A 60-year-old male presented with an asymptomatic swelling over the left angle of the mandible. The swelling had been present for about 12 years with a recent increase in size...
April 24, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28437592/cover-image-volume-232-number-8-august-2017
#13
Anjali Somal, Irfan A Bhat, Indu B, Anuj P Singh, Bibhudatta S K Panda, Perumal A Desingu, Sriti Pandey, Mukesh K Bharti, Amar Pal, Guttula Saikumar, Vikash Chandra, Guttula Taru Sharma
Cover: The cover image, by Guttula Taru Sharma et al., is based on the Original Research Article Impact of Cryopreservation on Caprine Fetal Adnexa Derived Stem Cells and Its Evaluation for Growth Kinetics, Phenotypic Characterization, and Wound Healing Potential in Xenogenic Rat Model, DOI: 10.1002/jcp.25731.
August 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28435655/a-80-year-old-woman-with-b-cell-prolymphocytic-leukemia
#14
Alparslan Merdin, Jale Yıldız, Sinan Dal Mehmet, Merih Kızıl Çakar, Hikmetullah Batgi, Emre Tekgündüz, Aykut Onursever, Fevzi Altuntaş
Prolymhocytic leukemia (PLL) is a rare subtype of lymphocytic leukemias and its cells are immature lymphocytes. It is divided into 2 subgroups: T-PLL and B-PLL according to the lymphocytic origin of the cells. Discriminating B-PLL from other diseases with clinically-similar features is important because of the different treatment approaches and follow-up programs. Hereby, we report a 80-year-old woman presenting with fatigue, leucocytosis and mild anemia. Her peripheral blood smear evaluation revealed 85% prolymphocytes with moderately condensed nuclear chromatin, prominent nucleoli, and a faintly basophilic cytoplasm...
February 23, 2017: Hematology Reports
https://www.readbyqxmd.com/read/28434717/relative-genetic-and-environmental-contributions-to-variations-in-human-retinal-electrical-responses-quantified-in-a-twin-study
#15
Taha Bhatti, Ambreen Tariq, Ting Shen, Katie M Williams, Christopher J Hammond, Omar A Mahroo
PURPOSE: To estimate heritability of parameters of human retinal electrophysiology and to explore which parameters change with age. DESIGN: Prospective, classic twin study. PARTICIPANTS: Adult monozygotic and dizygotic twin pairs recruited from the TwinsUK cohort. METHODS: Electroretinogram responses were recorded using conductive fiber electrodes in response to stimuli incorporating standards set by the International Society for the Clinical Electrophysiology of Vision...
April 20, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28433605/stability-of-patient-specific-features-of-altered-dna-replication-timing-in-xenografts-of-primary-human-acute-lymphoblastic-leukemia
#16
Takayo Sasaki, Juan Carlos Rivera-Mulia, Daniel Vera, Jared Zimmerman, Sunny Das, Michelle Padget, Naoto Nakamichi, Bill H Chang, Jeff Tyner, Brian J Druker, Andrew P Weng, Curt I Civin, Connie J Eaves, David M Gilbert
Genome-wide DNA replication timing (RT) profiles reflect the global 3D chromosome architecture of cells. They also provide a comprehensive and unique megabase-scale picture of the cellular epigenetic state. Thus normal differentiation involves reproducible changes in RT and transformation generally perturbs these, although the potential effects of altered RT on the properties of transformed cells remain largely unknown. A major challenge to interrogating these issues in human acute lymphoid leukemia (ALL) is the low proliferative activity of most of the cells, which may be further reduced in cryopreserved samples and difficult to overcome in vitro...
April 19, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28430293/three-cases-of-ectopic-sphenoid-sinus-pituitary-adenoma
#17
Ernest Jan Bobeff, Karol Wiśniewski, Wielisław Papierz, Ludomir Stefańczyk, Dariusz Jan Jaskólski
<i><b>Introduction</b>: Ectopic sphenoid sinus pituitary adenoma is a rare tumour originating from embryologic remnants of Rathke's pouch. Although it is considered a clinically benign neoplasm, necrosis is encountered in 25% of cases and it can invade adjacent bone structures. <b>Aims</b>: To establish clinical, radiological and histopathological features of ectopic sphenoid sinus pituitary adenoma. <b>Material and methods: </b> Analysis of three cases: two females and one man, aged 61-70...
2017: Folia Neuropathologica
https://www.readbyqxmd.com/read/28430174/whole-exome-analysis-reveals-novel-somatic-genomic-alterations-associated-with-cell-of-origin-in-diffuse-large-b-cell-lymphoma
#18
B A Manso, K Wenzl, Y W Asmann, M J Maurer, M Manske, Z-Z Yang, S L Slager, G S Nowakowski, S M Ansell, T E Witzig, A L Feldman, L Rimsza, B Link, J R Cerhan, A J Novak
No abstract text is available yet for this article.
April 21, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28428787/a-possible-role-for-idiotype-anti-idiotype-b-t-cell-interactions-in-maintaining-immune-memory
#19
Victor I Seledtsov, Galina V Seledtsova
Variable regions of both B-cell receptors (BCRs) and T-cell receptors (TCRs) are completely formed in the postnatal period, and, consequently, no innate immune tolerance against these structures exists in adulthood. Indeed, antibodies (Abs) specific to TCRs have been found in both animals and humans. These facts clearly indicate the existence of B cells able to directly interact with T cells through binding of BCRs to TCRs without implicating major histocompatibility complex molecules. A novel paradigm is proposed in that the immune memory is based on idiotype/anti-idiotype interactions occurring between BCRs and TCRs following clearance of the antigen that elicited immune responses...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28428518/-a-case-of-malignant-lymphoma-of-the-jejunum-that-developed-stenosis-and-perforation-after-a-complete-response-to-chemotherapy
#20
Atsushi Sugimoto, Masaharu Tada, Tomoe Taji, Yudai Houjo, Yu Kanokogi, Masaaki Hirata, Yusuke Fujita, Yusuke Kawasaki, Takashi Sakamoto, Junichi Yoshikawa, Hideaki Iwama, Shinichiro Usuki, Yoshiharu Shirakata, Jun Tamura, Atsuhiko Maki
A 57-year-old woman was admitted owing to epigastric pain.Abdominal computed tomography demonstrated a tumor in the origin of the jejunum.After an endoscopic biopsy, we diagnosed diffuse large B-cell lymphoma.We treated her with CHOP chemotherapy because pancreaticoduodenectomy is highly invasive.After 1 course of chemotherapy, the tumor was reduced.However, she developed a jejunal stenosis; therefore, we performed laparoscopic gastrojejunostomy.Furthermore, she developed perforated peritonitis on the sixth day after the surgery, and therefore, an emergency partial jejunum resection was performed...
April 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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