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https://www.readbyqxmd.com/read/28432279/il-35-induces-n2-phenotype-of-neutrophils-to-promote-tumor-growth
#1
Jiu-Ming Zou, Jian Qin, Yong-Chao Li, Yu Wang, Dong Li, Yu Shu, Chao Luo, Shan-Shan Wang, Gang Chi, Fang Guo, Gui-Mei Zhang, Zuo-Hua Feng
IL-35 is an immunosuppressive cytokine and exerts regulatory effects on T cells, B cells, macrophages and dendritic cells. Neutrophils are important innate immune cells that play key roles in tumor development. The effect of IL-35 on neutrophils remains unknown. Here, we report that IL-35 can induce N2 neutrophil polarization (protumor phenotype) by increasing G-CSF and IL-6 production, and promote neutrophil infiltration into tumor microenvironment. The sustained expression of IL-35 could promote chronic inflammation to augment the proangiogenic and immunosuppressive function of neutrophils...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28431404/upregulation-of-microrna-125b-by-g-csf-promotes-metastasis-in-colorectal-cancer
#2
Xinghua Zhang, Xiao Ma, Huaying An, Changqing Xu, Wenjo Cao, Wei Yuan, Jie Ma
Although there are reports of miR-125b being dysregulated in colorectal cancer (CRC) and associated with CRC progression, little is known about its intrinsic regulatory mechanisms. Here we detected the expression of miR-125b in CRC tissues, subsequently investigated the effect of miR-125b on the proliferation, apoptosis, cell cycle and metastasis on CRC cells. Our results showed that the expression of miR-125b was significantly decreased in CRC tissues comparing to adjacent tissues. However, with the stimulation of Granulocyte colony-stimulating factor (G-CSF), which was highly expressed in CRC tissues, the expression of miR-125b could be improved...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28428537/human-cytomegalovirus-induces-cellular-and-humoral-virus-specific-immune-responses-in-humanized-blt-mice
#3
Lindsey B Crawford, Rebecca Tempel, Daniel N Streblow, Craig Kreklywich, Patricia Smith, Louis J Picker, Jay A Nelson, Patrizia Caposio
The strict species specificity of Human Cytomegalovirus (HCMV) has impeded our understanding of antiviral adaptive immune responses in the context of a human immune system. We have previously shown that HCMV infection of human hematopoietic progenitor cells engrafted in immune deficient mice (huNSG) results in viral latency that can be reactivated following G-CSF treatment. In this study, we characterized the functional human adaptive immune responses in HCMV latently-infected huBLT (humanized Bone marrow-Liver-Thymus) mice...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423506/granulocyte-colony-stimulating-factor-enhances-the-therapeutic-efficacy-of-bone-marrow-mesenchymal-stem-cell-transplantation-in-rats-with-experimental-acute-pancreatitis
#4
Bo Qu, Yanjie Chu, Fang Zhu, Beibei Wang, Ting Liu, Bo Yu, Shizhu Jin
INTRODUCTION: Acute pancreatitis (AP) is one of the most common diseases involving necrotic inflammation. Bone marrow mesenchymal stem cells (BMMSCs) have the potential of multi-directional differentiation and self-renewal for tissue repair. It remains less clear if granulocyte colony-stimulating factor (G-CSF) can improve the therapeutic effect of BMMSC transplant in AP. Therefore, we explored this issue in a rat model of experimental AP. RESULTS: Transplanted PKH26-positive BMMSCs were present in the injured pancreatic tissue, with some cells co-expressed pancreatic cellular markers, including Pax-4, Ngn3 and Nkx-6...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419838/peptidoglycan-accelerates-granulopoiesis-through-a-tlr2-and-myd88-dependent-pathway
#5
Masaya Takehara, Soshi Seike, Teruhisa Takagishi, Keiko Kobayashi, Masahiro Nagahama
Granulopoiesis is accelerated during Gram-negative bacterial infection through activation of toll-like receptor 4 (TLR4). In this study, we tested whether activation of TLR2 promotes granulopoiesis by using the well-known TLR2 agonist, peptidoglycan (PGN). Neutrophils in bone marrow and spleen, and plasma granulocyte colony-stimulating factor (G-CSF) were increased in mice that had received intraperitoneal PGN administration. Incorporation of BrdU into bone marrow neutrophils increased, demonstrating that PGN accelerated granulopoiesis...
April 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28418635/enhancing-protein-production-yield-from-cho-cells-by-crispr-interference-crispri
#6
Chih-Che Shen, Li-Yu Sung, Shih-Yeh Lin, Mei-Wei Lin, Yu-Chen Hu
CHO cell is an important host for biopharmaceutical production. Generation of stable CHO cell typically requires co-integration of dhfr and foreign gene into chromosomes and subsequent methotrexate (MTX) selection for co-amplification of dhfr and foreign gene. CRISPR interference (CRISPRi) is an emerging system that effectively suppresses gene transcription through the coordination of dCas9 protein and guide RNA (gRNA). However, CRISPRi has yet to be exploited in CHO cells. Here we constructed vectors expressing the functional CRISPRi system and proved effective CRISPRi-mediated suppression of dhfr transcription in CHO cells...
April 18, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28416674/inducing-protein-aggregation-by-extensional-flow
#7
John Dobson, Amit Kumar, Leon F Willis, Roman Tuma, Daniel R Higazi, Richard Turner, David C Lowe, Alison E Ashcroft, Sheena E Radford, Nikil Kapur, David J Brockwell
Relative to other extrinsic factors, the effects of hydrodynamic flow fields on protein stability and conformation remain poorly understood. Flow-induced protein remodeling and/or aggregation is observed both in Nature and during the large-scale industrial manufacture of proteins. Despite its ubiquity, the relationships between the type and magnitude of hydrodynamic flow, a protein's structure and stability, and the resultant aggregation propensity are unclear. Here, we assess the effects of a defined and quantified flow field dominated by extensional flow on the aggregation of BSA, β2-microglobulin (β2m), granulocyte colony stimulating factor (G-CSF), and three monoclonal antibodies (mAbs)...
April 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28415700/circulating-tumor-cells-promote-the-metastatic-colonization-of-disseminated-carcinoma-cells-by-inducing-systemic-inflammation
#8
Yong-Chao Li, Jiu-Ming Zou, Chao Luo, Yu Shu, Jing Luo, Jian Qin, Yu Wang, Dong Li, Shan-Shan Wang, Gang Chi, Fang Guo, Gui-Mei Zhang, Zuo-Hua Feng
Circulating tumor cells (CTCs) have been studied well in the prognosis for malignant diseases as liquid biopsy, but their contribution to tumor metastasis is not clearly defined. Here we report that CTCs could promote the metastatic colonization of disseminated carcinoma cells by inducing systemic inflammation and neutrophil recruitment to pre-metastatic organs. Depletion of neutrophils in vivo could effectively abrogate the promoting effect of CTCs on tumor cell metastasis. In the presence of CTCs, the pro-tumor function of neutrophils was augmented, whereas the antitumor function of neutrophils was suppressed...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412968/interleukin-1-primes-human-mesenchymal-stem-cells-towards-an-anti-inflammatory-and-pro-trophic-phenotype-in-vitro
#9
Elena Redondo-Castro, Catriona Cunningham, Jonjo Miller, Licia Martuscelli, Sarah Aoulad-Ali, Nancy J Rothwell, Cay M Kielty, Stuart M Allan, Emmanuel Pinteaux
BACKGROUND: Inflammation is a key contributor to central nervous system (CNS) injury such as stroke, and is a major target for therapeutic intervention. Effective treatments for CNS injuries are limited and applicable to only a minority of patients. Stem cell-based therapies are increasingly considered for the treatment of CNS disease, because they can be used as in-situ regulators of inflammation, and improve tissue repair and recovery. One promising option is the use of bone marrow-derived mesenchymal stem cells (MSCs), which can secrete anti-inflammatory and trophic factors, can migrate towards inflamed and injured sites or can be implanted locally...
April 17, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28411174/evaluation-of-hematopoietic-stem-cell-mobilization-rates-with-early-plerixafor-administration-time-for-adult-stem-cell-transplantation
#10
Jessica T Stover, J Ryan Shaw, Maragatha Kuchibhatla, Mitchell E Horwitz, Ashley M Engemann
The addition of plerixafor to high-dose colony stimulating growth factor has been shown to improve stem cell mobilization rates in autologous transplant patients with multiple myeloma and non-Hodgkin's lymphoma. This study evaluates the change in administration time of plerixafor to determine if cell mobilization rates are similar between the FDA approved administration time of 11 hours prior to apheresis and an earlier administration time of 16 hours prior to apheresis. Medical records of patient ≥ 18 years of age undergoing autologous stem cell transplantation requiring the use of plerixafor after at least four days of G-CSF therapy to complete stem cell mobilization from 1 January 2010 through 30 September 2014 were retrospectively reviewed...
April 11, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28411103/-endogenous-regeneration-engineering-growth-factors-for-stroke
#11
REVIEW
Su Jing Chan, Christopher Love, Myron Spector, Simon M Cool, Victor Nurcombe, Eng H Lo
Despite the efforts in developing therapeutics for stroke, recombinant tissue plasminogen activator (rtPA) remains the only FDA approved drug for ischemic stroke. Regenerative medicine targeting endogenous growth factors has drawn much interest in the clinical field as it provides potential restoration for the damaged brain tissue without being limited by a narrow therapeutic window. To date, most of the translational studies using regenerative medicines have encountered problems and failures. In this review, we discuss the effects of some trophic factors which include of erythropoietin (EPO), brain derived neurotrophic factor (BDNF), granulocyte-colony stimulating factor (G-CSF), vascular endothelial growth factor (VEGF), fibroblast growth factor (FGF), epidermal growth factor (EGF) and heparin binding epidermal growth factor (HB-EGF) in experimental ischemic stroke models and elaborate the lost in translation of the candidate growth factors from bench to bedside...
April 11, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28408238/novel-roles-for-podocalyxin-in-regulating-stress-myelopoiesis-rap1a-and-neutrophil-migration
#12
Pan Li, Aldona A Karaczyn, Rose McGlauflin, Amanda Favreau, Edward Jachimowicz, Calvin Vary, Kailin Xu, Don M Wojchowski, Pradeep Sathyanarayana
Podocalyxin (Podxl) is a CD34 orthologue and cell surface sialomucin with reported roles in renal podocyte diaphragm slit development, vascular cell integrity, and the progression of blood, breast, and prostate cancers. Roles for Podxl during non-malignant hematopoiesis, however, are largely undefined. Presently we have developed a Vav-Cre Podxl knockout mouse model, and report on novel roles for Podxl in governing stress myelopoiesis. At steady-state, Podxl expression among hematopoietic progenitor cells was low-level but was induced by GCSF (granulocyte colony stimulating factor) in myeloid progenitors, and by TPO (thrombopoietin) in HSCs...
April 10, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28406993/topical-and-systemic-immunoreaction-triggered-by-intravesical-chemotherapy-in-an-n-butyl-n-4-hydroxybutyl-nitorosamine-induced-bladder-cancer-mouse-model
#13
Shunta Hori, Makito Miyake, Yoshihiro Tatsumi, Sayuri Onishi, Yosuke Morizawa, Yasushi Nakai, Nobumichi Tanaka, Kiyohide Fujimoto
Intravesical bacillus Calmette-Guerin (BCG) treatment is the most common therapy to prevent progression and recurrence of non-muscle invasive bladder cancer (NMIBC). Although the immunoreaction elicited by BCG treatment is well documented, those induced by intravesical treatment with chemotherapeutic agents are much less known. We investigated the immunological profiles caused by mitomycin C, gemcitabine, adriamycin and docetaxel in the N-butyl-N-(4-hydroxybutyl) nitrosamine (BBN)-induced orthotopic bladder cancer mouse model...
2017: PloS One
https://www.readbyqxmd.com/read/28406964/granulocyte-colony-stimulating-factor-therapy-for-stroke-a-pairwise-meta-analysis-of-randomized-controlled-trial
#14
Xin Huang, Yu Liu, Shuang Bai, Lidan Peng, Boai Zhang, Hong Lu
Granulocyte colony-stimulating factor (G-CSF) is atherapeutic candidate for stroke that has demonstrated anti-inflammatory and neuroprotective properties. Data from preclinical and clinical studies have suggested the safety and efficacy of G-CSF in stroke; however, the exact effects and utility of this cytokine in patients remain disputed. We performed a meta-analysis of randomized controlled trials of G-CSF in ischemic and hemorrhagic stroke to assess its clinical safety and efficacy. Electronic databases were searched for relevant publications in English and Chinese...
2017: PloS One
https://www.readbyqxmd.com/read/28405864/g-csf-and-stem-cell-therapy-for-the-treatment-of-refractory-thin-lining-in-assisted-reproductive-technology
#15
REVIEW
Youssef Mouhayar, Fady I Sharara
PURPOSE: The study aims to describe two promising therapeutic options for resistant "thin" endometrium in fertility treatment: granulocyte colony-stimulating factor (G-CSF) and stem cell therapy. METHODS: A review of the scientific literature related to patients with thin endometrium undergoing fertility treatment. RESULTS: Sufficient endometrial growth is fundamental for embryo implantation. Whether idiopathic or resulting from an underlying pathology, a thin endometrium of <7 mm is associated with lower probability of pregnancy; however, no specific thickness excludes the occurrence of pregnancy...
April 12, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28399484/the-effect-of-g-csf-and-amd3100-on-mice-treated-with-streptozotocin-expansion-of-alpha-cells-and-partial-islet-protection
#16
Yonathan Gomez, Dylana Diaz-Solano, Teresa Gledhill, Olga Wittig, Jose Cardier
Administration of streptozotocin (STZ) is one of the most used experimental models of diabetes (STZ-DT). STZ induces beta-cell damage in pancreatic islets. It is known that hematopoietic stem progenitor cells (HSPCs) are mobilized from bone marrow to damaged tissues. In this work, we evaluated the effects of the hematopoietic mobilizers G-CSF (250μg/kg; for five consecutive days) and AMD3100 (5mg/kg; single s.c injection) in mice treated with STZ (175mg/kg). Mice injected with STZ showed a significant reduction in the number and area of islets and in the number of beta- and alpha-cells...
April 8, 2017: Cytokine
https://www.readbyqxmd.com/read/28397022/hospitalizations-outcomes-and-management-costs-of-febrile-neutropenia-in-patients-from-a-managed-care-population
#17
Aniket A Kawatkar, Albert J Farias, Chun Chao, Wansu Chen, Richard Barron, Florian D Vogl, David B Chandler
PURPOSE: The study objective was to evaluate chemotherapy treatment patterns and incidence, cost, and resource utilization of febrile neutropenia-related hospitalization (FNH) in patients with breast cancer, lung cancer, and non-Hodgkin's lymphoma (NHL) from Kaiser Permanente Southern California (KPSC), a large integrated delivery system. METHODS: Adults ≥18 years with any stage breast cancer, lung cancer, or NHL who initiated myelosuppressive chemotherapy from 01/01/2006 to 12/31/2009 were included...
April 10, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28396953/autologous-hematopoietic-stem-cell-transplantation-in-relapsing-remitting-multiple-sclerosis-comparison-with-secondary-progressive-multiple-sclerosis
#18
Bonaventura Casanova, Isidro Jarque, Francisco Gascón, Juan Carlos Hernández-Boluda, Francisco Pérez-Miralles, Javier de la Rubia, Carmen Alcalá, Jaime Sanz, Javier Mallada, Angeles Cervelló, Arantxa Navarré, María Carcelén-Gadea, Isabel Boscá, Sara Gil-Perotin, Carlos Solano, Miguel Angel Sanz, Francisco Coret
The main objective of our work is to describe the long-term results of myeloablative autologous hematopoietic stem cell transplant (AHSCT) in multiple sclerosis patients. Patients that failed to conventional therapies for multiple sclerosis (MS) underwent an approved protocol for AHSCT, which consisted of peripheral blood stem cell mobilization with cyclophosphamide and granulocyte colony-stimulating factor (G-CSF), followed by a conditioning regimen of BCNU, Etoposide, Ara-C, Melphalan IV, plus Rabbit Thymoglobulin...
April 10, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28396851/increased-circulatory-levels-of-fractalkine-cx3cl1-are-associated-with-inflammatory-chemokines-and-cytokines-in-individuals-with-type-2-diabetes
#19
Sardar Sindhu, Nadeem Akhter, Hossein Arefanian, Areej Abu Al-Roub, Shamsha Ali, Ajit Wilson, Asma Al-Hubail, Shaima Al-Beloushi, Saad Al-Zanki, Rasheed Ahmad
BACKGROUND: Fractalkine (CX3CL1) is involved in the development of numerous inflammatory conditions including metabolic diseases. However, changes in the circulatory fractalkine levels in type-2 diabetes (T2D) and their relationship with inflammatory chemokines/cytokines remain unclear. The aim of the study was to determine the T2D-associated modulations in plasma fractalkine levels and investigate their relationship with circulatory chemokines/cytokines. METHODS: A total of 47 plasma samples were collected from 23 T2D and 24 non-diabetic individuals selected over a wide range of body mass index (BMI)...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28396760/choroidal-metastasis-from-granulocyte-colony-stimulating-factor-producing-esophageal-squamous-cell-carcinoma-a-case-report
#20
Shuichi Fukuda, Yoshinori Fujiwara, Hiroshi Mishima, Tomoko Wakasa, Hitoshi Hanamoto, Keisuke Inoue, Kotaro Kitani, Hajime Ishikawa, Masanori Tsujie, Masao Yukawa, Kaoru Okajima, Yoshio Ohta, Masatoshi Inoue
Granulocyte colony-stimulating factor (G-CSF)-producing esophageal squamous cell carcinoma (ESCC) is rare. Esophageal cancer is a highly aggressive disease and often spreads hematogenously; however, choroidal metastases are rarely seen. This report detailed an extremely rare case of G-CSF-producing ESCC with choroidal metastasis.
April 2017: Clinical Case Reports
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