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https://www.readbyqxmd.com/read/28724384/deficiency-of-pi3-kinase-catalytic-isoforms-p110%C3%AE-and-p110%C3%AE-in-mice-enhances-the-il-17-g-csf-axis-and-induces-neutrophilia
#1
Kirsten Bucher, Fee Schmitt, Benedikt Mothes, Carolin Blumendeller, Daniel Schäll, Roland Piekorz, Emilio Hirsch, Bernd Nürnberg, Sandra Beer-Hammer
BACKGROUND: Phosphoinositide 3-kinase γ (PI3Kγ) and PI3Kδ are second messenger-generating enzymes with key roles in proliferation, differentiation, survival, and function of leukocytes. Deficiency of the catalytic subunits p110γ and p110δ of PI3Kγ and PI3Kδ in p110γ/δ(-/-) mice leads to defective B- and T-cell homeostasis. Here we examined the role of p110γ and p110δ in the homeostasis of neutrophils by analyzing p110γ(-/-), p110δ(-/-) and p110γ/δ(-/-) mice. METHODS: Neutrophils and T cells in leukocyte suspensions from the bone marrow (BM), blood, spleen and lung were analyzed by flow cytometry...
July 19, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28722536/travel-burden-associated-with-granulocyte-colony-stimulating-factor-administration-in-a-medicare-aged-population-a-geospatial-analysis
#2
J Mark Stephens, Mark Bensink, Charles Bowers, Christopher S Hollenbeak
OBJECTIVE: Prophylaxis with granulocyte colony-stimulating factors (G-CSFs) is recommended for patients receiving myelosuppressive chemotherapy regimens with a high risk of febrile neutropenia (FN). G-CSFs should be administered starting the day after chemotherapy, necessitating return trips to the oncology clinic at the end of each cycle. We examined the travel burden related to prophylactic G-CSF injections after chemotherapy in the United States (US). METHODS: We used 2012-2014 Medicare claims data to identify a national cohort of beneficiaries age 65+ with non-myeloid cancers who received both chemotherapy and prophylactic G-CSFs...
July 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28721592/construction-purification-and-characterization-of-a-homodimeric-granulocyte-colony-stimulating-factor
#3
Gitana Mickiene, Indre Dalgediene, Zilvinas Dapkunas, Gintautas Zvirblis, Henrikas Pesliakas, Algirdas Kaupinis, Mindaugas Valius, Edita Mistiniene, Milda Pleckaityte
Granulocyte colony-stimulating factor (G-CSF) has found widespread clinical application, and modified forms with improved biopharmaceutical properties have been marketed as well. PEGylation, the covalent modification of G-CSF with polyethylene glycol (PEG), has a beneficial effect on drug properties, but there are concerns connected to the immunogenicity of PEGylated compounds and bioaccumulation of the synthetic polymer. To overcome challenges connected with chemical modifications, we developed fusion proteins composed of two G-CSF molecules connected via different peptide linkers...
July 18, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28711452/hematopoietic-stem-cell-transplantation-in-algeria
#4
REVIEW
M A Bekadja, M Brahimi, S Osmani, N Yafour, A Krim, F Serradj, S Talhi, K Amani, R Bouhass
Algeria is a country of 40.4 million inhabitants half of whom are younger than 30years. In Algeria, healthcare insurance covers 90% of the population. Healthcare is free and it is supported by the Ministry of Health. Sixteen university hospitals exist in Algeria and only two (Algiers and Oran) practice bone marrow transplant. Hematologic malignancies in adults account for 10% (∼4000 new cases/y) of the malignancy affecting in most cases young patients under 65years of age. In 2016, 270 transplants were performed (Algiers and Oran), including 149 allografts (related donor transplants: 99%) and 121 autografts...
July 11, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28699692/granulocyte-colony-stimulating-factor-administration-among-hemoglobin-s-trait-donors-a-single-center-experience-from-the-eastern-mediterranean-region
#5
Cigdem Gereklioglu, Suheyl Asma, Aslı Korur, Songul Tepebası, Pelin Aytan, Mahmut Yeral, Ilknur Kozanoglu, Can Boga, Hakan Ozdogu
BACKGROUND AND OBJECTIVE: Assessment of Hemoglobin S trait donors has gained importance together with the increased allogeneic peripheral stem cell transplant activity for sickle cell disease in the regions where the disease is prevalent. Outcomes of Granulocyte-Colony Stimulating Factor (G-CSF) administration are obscure for hemoglobin S trait donors. This study aims at investigating the incidence of hemoglobin S carrier status and outcomes of G-CSF administration among donors who live in Eastern Mediterranean region...
July 12, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28699225/intensive-consolidation-with-g-csf-support-tolerability-safety-reduced-hospitalization-and-efficacy-in-aml-patients-%C3%A2-60-years
#6
Wolfgang R Sperr, Susanne Herndlhofer, Karoline Gleixner, Michael Girschikofsky, Ansgar Weltermann, Sigrid Machherndl-Spandl, Thamer Sliwa, Rainer Poehnl, Veronika Buxhofer-Ausch, Karin Strecker, Gregor Hoermann, Paul Knoebl, Ulrich Jaeger, Klaus Geissler, Michael Kundi, Peter Valent
The aim of this study was to evaluate the efficacy and feasibility of intensified consolidation therapy employing fludarabine and ARA-C in cycle 1 and intermediate-dose ARA-C (IDAC) in cycles 2 through 4, in elderly acute myeloid leukemia (AML) patients and to analyze the effects of pegfilgrastim on the duration of neutropenia, overall toxicity, and hospitalisation-time during consolidation in these patients. Thirty nine elderly patients with de novo AML (median age 69.9 years) who achieved complete remission (CR) after induction-chemotherapy were analyzed...
July 11, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28698402/granulocyte-colony-stimulating-factor-treatment-in-non-alcoholic-fatty-liver-disease-beyond-marrow-cell-mobilization
#7
Ho Hyun Nam, Dae Won Jun, Kiseok Jang, Waqar Khalid Saeed, Jai Sun Lee, Hyeon Tae Kang, Yeon Ji Chae
Protective effects of granulocyte colony stimulating factor (G-CSF) in acute liver injury via marrow cell mobilization have been reported in several studies. But exact mode of action and optimal protocol of G-CSF has been still doubt in chronic disease. Here we investigated mode of action and optimization of G-CSF as a treatment for non-alcoholic fatty liver disease (NAFLD). Various doses of conventional G-CSF (30 μg/kg once weekly, once daily for 5 days, twice weekly) and long acting G-CSF (30 μg/kg once a month) were evaluated in two kinds of NAFLD animal models to optimize the G-CSF protocol...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28694696/th17-profile-in-copd-exacerbations
#8
REVIEW
Marco Antonio Ponce-Gallegos, Alejandra Ramírez-Venegas, Ramcés Falfán-Valencia
COPD is characterized by an ongoing inflammatory process of the airways that leads to obstruction or limitation of airflow. It is mainly associated with exposure to cigarette smoke. In addition, it is considered, at present, a serious public health problem, ranking fourth in mortality worldwide. Many cells participate in the pathophysiology of COPD, the most important are neutrophils, macrophages and CD4+ and CD8+ T cells. Neutrophil migration to the inflammation area could be mediated largely by cytokines related to CD4+ Th17 lymphocytes, because it has been shown that IL-17A, IL-17F and IL-22 act as inducers for CXCL8, CXCL1, CXCL5, G-CSF, and GM-CSF secretion by epithelial cells of the airways...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28694430/map3k8-controls-granulocyte-colony-stimulating-factor-production-and-neutrophil-precursor-proliferation-in-lipopolysaccharide-induced-emergency-granulopoiesis
#9
Ángela Sánchez, Carlos Relaño, Araceli Carrasco, Constanza Contreras-Jurado, Antonio Martín-Duce, Ana Aranda, Susana Alemany
Map3k8 has been proposed as a useful target for the treatment of inflammatory diseases. We show here that during lipopolysaccharide-induced emergency granulopoiesis, Map3k8 deficiency strongly impairs the increase in circulating mature (Ly6G(high)CD11b(+)) and immature (Ly6G(low)CD11b(+)) neutrophils. After chimaeric bone marrow (BM) transplantation into recipient Map3k8(-/-) mice, lipopolysaccharide treatment did not increase circulating Ly6G(high)CD11b(+) cells and strongly decreased circulating Ly6G(low)CD11b(+) cells...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28692671/immune-profiles-and-clinical-outcomes-between-sepsis-patients-with-or-without-active-cancer-requiring-admission-to-intensive-care-units
#10
Wen-Feng Fang, Yu-Mu Chen, Chiung-Yu Lin, Kuo-Tung Huang, Hsu-Ching Kao, Ying-Tang Fang, Chi-Han Huang, Ya-Ting Chang, Yi-His Wang, Chin-Chou Wang, Meng-Chih Lin
BACKGROUND: Immunoparalysis was observed in both patients with cancer and sepsis. In cancer patients, Cytotoxic T lymphocyte antigen-4 and programmed cell death protein 1/programmed death-ligand 1 axis are two key components of immunoparalysis. Several emerging therapies against these two axes gained significant clinical benefit. In severe sepsis patients, immunoparalysis was known as compensatory anti-inflammatory response syndrome and this has been suggested as an important cause of death in patients with sepsis...
2017: PloS One
https://www.readbyqxmd.com/read/28691152/reduced-bucy-2-and-g-csf-primed-bone-marrow-associates-with-low-graft-versus-host-disease-and-transplant-related-mortality-in-allogeneic-hsct
#11
Eucario Leon Rodriguez, Monica M Rivera Franco, Sandra I Perez Alvarez
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the ideal treatment for several diseases. However, the morbidity and mortality associated with the procedure might limit its widespread use; therefore, we implemented reduced BUCY2 as conditioning method along with the use of G-CSF-primed bone marrow (G-BM) in order to reduce complications, including graft-versus-host-disease (GVHD), and to improve survival in these patients. An analysis of transplant characteristics, complications, and survival of patients undergoing an allo-HSCT using this conditioning regimen (busulfan 12 mg/kg and cyclophosphamide 80 mg/kg) plus G-BM was performed...
July 9, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28689023/profiling-of-cytokines-chemokines-and-other-soluble-proteins-as-a-potential-biomarker-in-colorectal-cancer-and-polyps
#12
Nor Adzimah Johdi, Luqman Mazlan, Ismail Sagap, Rahman Jamal
Soluble proteins including cytokines, chemokines and growth factors are small proteins that mediate and regulate immunity. They involved in the pathogenesis of many diseases including cancers. The concentration of these proteins in biological fluids (serum or plasma) and tissues in diseases may suggest pathway activation that leads to inflammatory response or disease progression. Therefore, these soluble proteins may be useful as a tool for screening, diagnosis classification between stages of disease or surveillance for therapy...
July 6, 2017: Cytokine
https://www.readbyqxmd.com/read/28685085/diffuse-fluorodeoxyglucose-positron-uptake-in-the-bone-marrow-of-a-patient-with-granulocyte-colony-stimulating-factor-producing-pleomorphic-carcinoma-of-the-lung-a-case-report
#13
Takashi Makino, Yoshinobu Hata, Hajime Otsuka, Satoshi Koezuka, Nao Kikuchi, Kazutoshi Isobe, Naobumi Tochigi, Kazutoshi Shibuya, Sakae Homma, Akira Iyoda
The current study presents the case of a 66-year-old male presenting with fever and chest pain. Chest enhanced computed tomography scanning revealed a mass shadow in the right upper lobe with chest wall invasion. 18-Fluorodeoxyglucose-positron emission tomography (FDG-PET) identified the localized uptake of the mass lesion in the right upper lobe, in addition to diffuse uptake by the bone marrow. The laboratory data on admission revealed marked leukocytosis and an elevated C-reactive protein level (CRP). Serum concentrations of granulocyte colony-stimulating factor (G-CSF) and interleukin 6 were increased...
July 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28679985/intrahepatic-cholangiocarcinoma-producing-granulocyte-colony-stimulating-factor-and-parathyroid-hormone-related-protein
#14
Noritaka Ozawa, Shinpei Doi, Takayuki Tsujikawa, Masatoshi Mabuchi, Yusuke Kajiyama, Koichiro Sato, Kentaro Kikuchi, Mikiko Takahashi, Masashi Kawamoto, Ichiro Yasuda
A 78-year-old man was referred to our hospital with suspected liver abscess. Fever and inflammatory reaction resolved after percutaneous drainage and administration of antibiotics. However, leukocyte count was remarkably increased, and hypercalcemia was noted. The liver mass was also enlarged, as observed in the follow-up abdominal CT scans. Therefore, a percutaneous needle biopsy was performed, and the histopathological findings indicated the presence of adenocarcinoma. Additional blood examination revealed high serum levels of granulocyte colony-stimulating factor (G-CSF) and parathyroid hormone-related protein (PTHrP)...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28679984/a-case-of-a-patient-with-granulocyte-colony-stimulating-factor-producing-pancreatic-cancer-who-responded-to-nab-paclitaxel-plus-gemcitabine
#15
Kunio Kataoka, Koichi Achiwa, Yoshiyuki Minami, Motokazu Fujita, Takehito Naitoh, Masahiro Yamada, Hideko Yamamoto, Hiroshi Matsubara, Fumihiro Urano
A 67-year-old male patient presented with an irregular mass involving the pancreatic body and tail with multiple liver/lymph node metastases. A biopsy indicated the presence of a poorly differentiated adenocarcinoma. Fever and increased white blood cell count, C-reactive protein levels, and granulocyte-colony stimulating factor (G-CSF) levels led to the diagnose of G-CSF-producing pancreatic cancer. The patient did not respond to FOLFIRINOX therapy (leucovorin, fluorouracil, irinotecan, and oxaliplatin), but nab-paclitaxel plus gemcitabine treatment was effective, resulting in tumor shrinkage and reduced G-CSF levels...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28676100/superior-gvhd-free-relapse-free-survival-for-g-bm-to-g-pbsc-grafts-is-associated-with-higher-mdscs-content-in-allografting-for-patients-with-acute-leukemia
#16
Qian Fan, Hui Liu, Xinquan Liang, Ting Yang, Zhiping Fan, Fen Huang, Yiwen Ling, Xin Liao, Li Xuan, Na Xu, Xiaojun Xu, Jieyu Ye, Qifa Liu
BACKGROUND: Granulocyte colony-stimulating factor (G-CSF)-mobilized peripheral blood stem cells (G-PBSC) has largely replaced unstimulated bone marrow (un-BM) for allografting because of accelerated engraftment, but with a higher morbidity and mortality of graft-versus-host-disease (GVHD). Recent studies suggested that G-CSF-primed BM (G-BM) had similar engraftment but lower morbidity and mortality of GVHD comparing to G-PBSC. A prospective, randomized, multicenter study was conducted to compare G-BM with G-PBSC as the grafts in allogeneic hematopoietic stem cell transplantation (allo-HSCT) for acute leukemia in first complete remission (CR1)...
July 4, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28675459/stimulation-of-adrenergic-activity-by-desipramine-enhances-hematopoietic-stem-and-progenitor-cell-mobilization-along-with-g-csf-in-multiple-myeloma-a-pilot-study
#17
Aditi Shastri, Anjali Budhathoki, Stefan K Barta, Noah Kornblum, Olga Derman, Ramakrishna Battini, Radha Ragupathy, Amit Verma, Paul S Frenette, Ira Braunschweig, Murali Janakiram
Hematopoietic stem cell (HSC) release is positively regulated by the sympathetic nervous system through the β3 adrenergic receptor. Preclinical studies have demonstrated that the combination of desipramine and G-CSF resulted in improved HSC mobilization. Here we present the results of an open-label single-arm pilot study in patients with multiple myeloma undergoing autologous stem cell transplantation (ASCT) to assess the safety and efficacy of desipramine combined with G-SCF to induce HSC mobilization. The primary endpoint was safety of the combination including engraftment kinetics...
July 4, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28671601/effects-of-an-inhibitor-of-monocyte-recruitment-on-recovery-from-traumatic-brain-injury-in-mice-treated-with-granulocyte-colony-stimulating-factor
#18
Shijie Song, Xiaoyuan Kong, Sandra Acosta, Vasyl Sava, Cesar V Borlongan, Juan Sanchez-Ramos
Administration of the hematopoietic growth factor granulocyte-colony stimulating Factor (G-CSF) has been reported to enhance recovery from controlled cortical impact (CCI) in rodent models. G-CSF exerts actions in both the periphery (stimulation of hematopoiesis) and in the brain, where it serves as a neurotrophic factor, promoting neuronal survival and stimulating neural stem/progenitor cell proliferation in the hippocampus. In order to distinguish the direct CNS actions of G-CSF from its peripheral actions, experiments were designed to block the recruitment of peripheral monocytes to the site of the lesion produced by CCI...
July 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28662506/polymyxin-b-attenuates-lps-induced-death-but-aggravates-radiation-induced-death-via-tlr4-myd88-il-6-pathway
#19
Ying Cheng, Jicong Du, Jiaqi Han, Weimin Sun, Fu Gao, Pei Zhang, Hainan Zhao, Ming Chen, Jianing Wang, Mingyu Wang, Suhe Dong, Ding Sun, Yandong Zhang, Jianguo Cui, Jianming Cai, Cong Liu
BACKGROUND/AIMS: Polymyxin B (PMB) is a cyclic cationic polypeptide antibiotic widely used to counteract the effects of endotoxin contamination, both in vitro and in vivo. Lipopolysaccharide (LPS) is an endotoxin that acts as a radiation protection factor. In this study, we focus on the role of PMB in LPS-induced and radiation-induced mortality in mice. METHODS: Mice received total-body radiation or were pretreated by LPS or PMB, and the survival of mice was recorded...
June 29, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28657777/epithelial-deletion-of-sulf2-exacerbates-bleomycin-induced-lung-injury-inflammation-and-mortality
#20
Xinping Yue
Epithelial injury has been proposed to be the initiating factor in the pathogenesis of idiopathic pulmonary fibrosis (IPF). We have shown previously that heparan sulfate (HS) 6-O-endosulfatase 2 (Sulf2) is overexpressed in the hyperplastic type II alveolar epithelial cells (AECs) in the IPF lungs. By removing 6-O-sulfates from specific HS intra-chain sites, Sulf2 modulates the functions of many growth factors and cytokines. In this study we hypothesized that Sulf2 plays a regulatory role in alveolar epithelial injury and repair, using the murine bleomycin model...
June 28, 2017: American Journal of Respiratory Cell and Molecular Biology
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