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https://www.readbyqxmd.com/read/29050777/multiplex-analysis-of-plasma-cytokines-chemokines-showing-different-immune-responses-in-active-tb-patients-latent-tb-infection-and-healthy-participants
#1
Xiangyang Yao, Yongliang Liu, Yang Liu, Wei Liu, Zhizhong Ye, Chao Zheng, Shengxiang Ge
Interferon gamma release assays (IGRAs) have been widely used to diagnose Mycobacterium tuberculosis (MTB) infection. However, IGRAs cannot discriminate between active TB patients and latent TB infection (LTBI), and the sensitivity of IGRAs for MTB infection is suboptimal. Here, we analyzed cytokines/chemokines in MTB antigen-stimulated and -unstimulated plasma samples to identify host biomarkers that are associated with active TB and MTB infection. Active TB patients, subjects with LTBI and healthy participants were recruited...
December 2017: Tuberculosis
https://www.readbyqxmd.com/read/29048610/evidence-of-lateral-transmission-of-aggressive-features-between-different-types-of-breast-cancer-cells
#2
Nancy Adriana Espinoza-Sánchez, Eduardo Vadillo, Juan Carlos Balandrán, Alberto Monroy-García, Rosana Pelayo, Ezequiel M Fuentes-Pananá
Breast cancer (BrC) is a major public health problem worldwide. The intra-tumoral heterogeneity and tumor cell plasticity importantly contribute to disease progression and treatment failure. However, the dynamic interactions between different tumor clones, as well as their contribution to tumor aggressiveness are still poorly understood. In this study, we provide evidence of a lateral transmission of aggressive features between aggressive and non-aggressive tumor cells, consisting of gain of expression of cancer stem cell markers, increased expression of CXCL12 receptors CXCR4 and CXCR7 and increased invasiveness in response to CXCL12, which correlated with high levels of secretion of pro-inflammatory mediators G-CSF, GM-CSF, MCP-1, IL-8 and metalloproteinases 1 and 2 by the aggressive cells...
September 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29043875/consolidation-therapy-with-decitabine-and-intermediate-dose-cytarabine-followed-by-hla-mismatched-peripheral-blood-stem-cells-infusion-for-older-patients-with-acute-myeloid-leukemia-in-first-remission
#3
Wei-Yang Li, Ying Wang, Su-Ning Chen, Hui-Ying Qiu, Zheng-Zheng Fu, De-Pei Wu, Ai-Ning Sun
This retrospective study tested the feasibility of decitabine (DAC) plus intermediate-dose cytarabine (ID-AraC) followed by HLA-mismatched granulocyte colony-stimulating factor (G-CSF)-mobilized peripheral donor blood stem cells (GPBSCs) infusion as consolidation treatment for older patients with acute myeloid leukemia (AML) in first complete remission (CR). A total of 23 patients received this regimen for 3 cycles (D-GPBSCs group), and the outcome was compared with that of 19 patients treated with repeated cycles of ID-AraC chemotherapy (chemo group)...
October 18, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29043003/tiaogeng-yijing-decoction-improves-the-pregnancy-outcomes-of-patients-with-poor-ovarian-response-undergoing-in-vitro-fertilization-embryo-transfer
#4
Hui Xue, Juan Dong, Huijun Xu, Xin Huang, Huangguan Dai, Cuifang Hao
The present study aimed to explore the therapeutic effects of the Tiaogeng Yijing decoction on patients with poor ovarian response (POR) undergoing in vitro fertilization-embryo transfer (IVF-ET), in addition to the underlying molecular mechanisms of these effects. A total of 40 patients were randomly and equally assigned to the treatment or control group. Patients in the treatment group received the Tiaogeng Yijing decoction continuously for three menstrual cycles in addition to microstimulation, while patients in the control group underwent microstimulation only...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29037891/chemotherapy-based-stem-cell-mobilisation-does-not-result-in-significant-paraprotein-reduction-in-myeloma-patients-in-the-era-of-novel-induction-regimens
#5
Anthony Oyekunle, Evgenii Shumilov, Philippe Kostrewa, Andreas Burchert, Lorenz Trümper, Patrick Wuchter, Gerald Wulf, Ulrike Bacher, Nicolaus Kröger
INTRODUCTION: Novel induction agents markedly improved remission rates in multiple myeloma (MM) and the continued use of chemotherapy for CD34(+) stem cell mobilisation (SCM) has been questioned. We examined the additional effect of chemotherapy in SCM regarding remission status/morbidity. METHODS: We reviewed 236 consecutive MM patients (36-75 years) with first Auto-SCT from 01/2009-03/2016 following chemotherapy-based SCM. Responses were measured by changes in intact immunoglobulin and free light chain levels (Ig, fLC) before and after chemomobilization (IMWG criteria)...
October 13, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29035393/donor-lymphocyte-infusion-following-haploidentical-hematopoietic-cell-transplantation-with-peripheral-blood-stem-cell-grafts-and-ptcy
#6
S R Goldsmith, M Slade, J F DiPersio, P Westervelt, M A Schroeder, F Gao, R Romee
Donor-lymphocyte infusion (DLI) for relapse following haploidentical hematopoietic cell transplantation (haploHCT) with post-transplant cyclophosphamide (PTCy) has been described in recipients of bone marrow grafts, but not recipients of G-CSF mobilized peripheral blood (PB) grafts. We retrospectively identified patients who underwent DLI following PB-haploHCT with PTCy for relapse, or loss of chimerism (LOC). Twelve patients (57%) received DLI for hematologic relapse/persistent disease, seven (33%) for extramedullary relapse and two (10%) for LOC...
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29034104/fibroblasts-the-unknown-sentinels-eliciting-immune-responses-against-microorganisms
#7
REVIEW
Luis Antonio Bautista-Hernández, José Luis Gómez-Olivares, Beatriz Buentello-Volante, Victor Manuel Bautista-de Lucio
Fibroblasts are present in all tissues but predominantly in connective tissues. Some of their functions include contractility, locomotion, collagen and elastin fiber production, and the regulation and degradation of the extracellular matrix. Also, fibroblasts act as sentinels to produce inflammatory mediators in response to several microorganisms. There is evidence that fibroblasts can synthesize toll-like receptors (TLRs), antimicrobial peptides, proinflammatory cytokines, chemokines, and growth factors, which are important molecules involved in innate immune response against microorganisms...
September 2017: European Journal of Microbiology & Immunology
https://www.readbyqxmd.com/read/29032986/mycobacterium-tuberculosis-strains-induce-strain-specific-cytokine-and-chemokine-response-in-pulmonary-epithelial-cells
#8
Nontobeko E Mvubu, Balakrishna Pillay, Lyle R McKinnon, Manormoney Pillay
M. tuberculosis F15/LAM4/KZN has been associated with high transmission rates of drug resistant tuberculosis in the KwaZulu-Natal province of South Africa. The current study elucidated the cytokine/chemokine responses induced by representatives of the F15/LAM4/KZN and other dominant strain families in pulmonary epithelial cells. Multiplex cytokine analyses were performed at 24, 48 and 72h post infection of the A549 pulmonary epithelial cell line with the F15/LAM4/KZN, F28, F11, Beijing, Unique and H37Rv strains at an MOI of ∼10:1...
October 9, 2017: Cytokine
https://www.readbyqxmd.com/read/29030083/human-bone-marrow-mesenchymal-stem-cells-secrete-endocannabinoids-that-stimulate-in-vitro-hematopoietic-stem-cell-migration-effectively-comparable-to-beta-adrenergic-stimulation
#9
Sevil Köse, Fatima Aerts-Kaya, Ağla Zübeyde Köprü, Emirhan Nemutlu, Barış Kuşkonmaz, Beren Karaosmanoğlu, Zihni Ekim Taşkıran, Belgin Altun, Duygu Uçkan Çetinkaya, Petek Korkusuz
Granulocyte Colony-Stimulating Factor (G-CSF) is a well-known hematopoietic stem cell (HSC) mobilizing agent used in both allogeneic and autologous transplantation. However, a proportion of patients or healthy donors fail to mobilize sufficient number of cells. New mobilization agents are therefore needed. Endocannabinoids (eCBs) are endogenous lipid mediators generated in the brain and peripheral tissues and activate the cannabinoid receptors (CB1, CB2). We suggest that eCBs may act as mobilizers of hematopoietic stem cells (HSC) from the BM under stress conditions as beta adrenergic receptors (Adrβ)...
October 10, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/29019081/modification-of-nk-cell-subset-repartition-and-functions-in-granulocyte-colony-stimulating-factor-mobilized-leukapheresis-after-expansion-with-il-15
#10
Yu Xiong, Manon Mouginot, Loic Reppel, Chongsheng Qian, Jean-Francois Stoltz, Danièle Bensoussan, Véronique Decot
The ability of natural killer (NK) cells to kill tumor cells without antigen recognition makes them appealing as an adoptive immunotherapy. However, NK cells are not routinely used in the context of leukemic relapse after hematopoietic stem cell transplantation. Patients who experience relapse can be treated with donor lymphocyte infusions (DLI) based on small-cell fractions frozen at the time of transplantation. Since peripheral blood stem cells (PBSCs) are increasingly used as a stem cell source and as a source of cells for DLI, we aimed to evaluate the impact of G-SCF mobilization on NK cell phenotype, subset repartition, and functionality...
October 10, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29017969/vigorous-exercise-mobilizes-cd34-hematopoietic-stem-cells-to-peripheral-blood-via-the-%C3%AE-2-adrenergic-receptor
#11
Nadia H Agha, Forrest L Baker, Hawley E Kunz, Rachel Graff, Rod Azadan, Chad Dolan, Mitzi S Laughlin, Chitra Hosing, Melissa M Markofski, Richard A Bond, Catherine M Bollard, Richard J Simpson
Acute dynamic exercise mobilizes CD34+ hematopoietic stem cells (HSCs) to the bloodstream, potentially serving as an economical adjuvant to boost the collection of HSCs from stem cell transplant donors. The mechanisms responsible for HSC mobilization with exercise are unknown but are likely due to hemodynamic perturbations, endogenous granulocyte-colony stimulating factor (G-CSF), and/or β2-adrenergic receptor (β2-AR) signaling. We characterized the temporal response of HSC mobilization and plasma G-CSF following exercise, and determined the impact of in vivo β-AR blockade on the exercise-induced mobilization of HSCs...
October 7, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28990496/bone-marrow-findings-secondary-to-antineoplastic-compounds-hematopoietic-bone-and-cytokine-cross-talk
#12
Lise I Loberg, Michael Logan, Kirstin Barnhart, Stacey Fossey, Katharine Whitney
New medullary bone formation has been observed in rats administered a variety of antineoplastic compounds. Similar effects reported in rats administered granulocyte colony-stimulating factor (G-CSF) were attributed to exaggerated pharmacology of G-CSF as a cytokine and growth factor, resulting in stromal proliferation in addition to the intended hematopoietic effects. Similar phenomena of marrow stromal change are reported among other species in association with various growth factors. Case study summaries of test item-related histopathologic changes in bone marrow, reflecting trabecular and/or endosteal new bone formation, are presented...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28990128/a-single-center-retrospective-analysis-to-compare-the-efficacy-and-safety-of-filgrastim-sndz-to-filgrastim-for-prophylaxis-of-chemotherapy-induced-neutropenia-and-for-neutrophil-recovery-following-autologous-stem-cell-transplantation
#13
Julia Zecchini, Kendra Yum, Amir Steinberg, Cardinale Smith, Sara Kim
Filgrastim-sndz (Zarxio®) was approved by the FDA in March 2015 as a biosimilar product of its reference product, filgrastim (Neupogen®) for all five indications. The NCCN Clinical Practice Guidelines has incorporated filgrastim-sndz into its recommendations as a category 1 recommendation for use in settings of febrile neutropenia, myelosuppressive chemotherapy administration, and post-hematopoietic stem cell transplant (HSCT). As a cost-saving initiative, our institution switched from filgrastim to filgrastim-sndz for all indications starting in March 2016...
October 8, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28986333/protective-effect-of-danhong-injection-combined-with-naoxintong-capsule-on-cerebral-ischemia-reperfusion-injury-in-rats
#14
Jiayang Wan, Haofang Wan, Rongbin Yang, Haitong Wan, Jiehong Yang, Yu He, Huifen Zhou
ETHNOPHARMACOLOGICAL RELEVANCE: Danhong Injection (DHI) and Naoxintong Capsule (NXT) are renowned traditional Chinese medicine in China. The drug combination of DHI and NXT is frequently applied for the treatment of cardiovascular and cerebrovascular diseases in clinic. However, there had been no pharmacological experiment studies of interaction between DHI and NXT. Due to the drug interactions, exploring their interaction profile is of great importance. MATERIAL AND METHODS: In this study, focal cerebral I/R injury in adult male Sprague-Dawley rats were induced by transient middle cerebral artery occlusion (tMCAO) for 1h followed by reperfusion...
October 3, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28983786/comparison-of-byakujutsu-atractylodes-rhizome-and-sojutsu-atractylodes-lancea-rhizome-on-anti-inflammatory-and-immunostimulative-effects-in-vitro
#15
Yohta Shimato, Misato Ota, Kohshi Asai, Toshiyuki Atsumi, Yoshiaki Tabuchi, Toshiaki Makino
The Japanese Pharmacopoeia defines byakujutsu (Atractylodes rhizome) as the rhizome of Atractylodes japonica or A. macrocephala and sojutsu (Atractylodes lancea rhizome) as the rhizome of A. lancea, A. chinensis, or their interspecific hybrids. Because their pharmaceutical uses differ in traditional Japanese Kampo medicine and traditional Chinese medicine, with less apparent scientific evidence, we compared the pharmacological properties between byakujutsu and sojutsu. Crude drug specimens of byakujutsu (n = 40) and sojutsu (n = 49) obtained in markets were identified by their species using DNA profiling...
October 5, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28982056/efficacy-and-safety-of-g-csf-low-dose-cytarabine-and-aclarubicin-in-combination-with-l-asparaginase-prednisone-in-the-treatment-of-refractory-or-relapsed-acute-lymphoblastic-leukemia
#16
Keshu Zhou, Yongping Song, Yanli Zhang, Xudong Wei, Yuewen Fu, Fengkuan Yu, Hu Zhou, Xinjian Liu, Jian Zhou, Baijun Fang
Acute lymphoblastic leukemia (ALL) patients who fail to acquire complete remission (CR) or who relapse after initial response have poor prognosis. At present there is no consensus as to the standard salvage therapy for these patients. In this study, we retrospectively evaluate safety and efficacy of a salvage regimen (CAGLP) consisting of G-CSF, low-dose cytarabine, aclarubicin, l-asparaginase and prednisone. Thirty-six patients were included with primary refractory (n=13) or relapse (n=23). The overall response rate (ORR) and CR rate were 86...
September 25, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28980709/current-strategies-for-the-management-of-autologous-peripheral-blood-stem-cell-mobilization-failures-in-patients-with-multiple-myeloma
#17
REVIEW
Ugur Sahin, Taner Demirer
Multiple myeloma (MM) is the leading indication of autologous hematopoietic stem cell transplantation (AHSCT) worldwide. The collection of PBSCs is the essential step for AHSCT. The limits for minimum and optimum CD34(+) cells collected have been accepted as 2 × 10(6) /kg and ≥4 × 10(6) /kg for single AHSCT; 4 × 10(6) /kg and ≥8-10 × 10(6) /kg for double AHSCT. Despite the success of conventional methods for PBSC mobilization in MM, mobilization failure is still a concern depending on patient age, duration of disease, and the type of induction therapy...
October 5, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28973980/fucoidan-and-fucosylated-chondroitin-sulfate-stimulate-hematopoiesis-in-cyclophosphamide-induced-mice
#18
Natalia Anisimova, Nadezhda Ustyuzhanina, Maria Bilan, Fedor Donenko, Anatolii Usov, Mikhail Kiselevskiy, Nikolay Nifantiev
Application of cytostatics in cancer patients' chemotherapy results in a number of side effects, including the inhibition of various parts of hematopoiesis. Two sulfated polysaccharides, fucoidan from the seaweed Chordaria flagelliformis (PS-Fuc) and fucosylated chondroitin sulfate from the sea cucumber Massinium magnum (PS-FCS), were studied as stimulators of hematopoiesis after cyclophosphamide immunosuppression in mice. Recombinant granulocyte colony-stimulating factor (r G-CSF) was applied as a reference...
September 30, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28973941/granulocyte-colony-stimulating-factor-g-csf-signaling-in-spinal-microglia-drives-visceral-sensitization-following-colitis
#19
Lilian Basso, Tamia K Lapointe, Mircea Iftinca, Candace Marsters, Morley D Hollenberg, Deborah M Kurrasch, Christophe Altier
Pain is a main symptom of inflammatory diseases and often persists beyond clinical remission. Although we have a good understanding of the mechanisms of sensitization at the periphery during inflammation, little is known about the mediators that drive central sensitization. Recent reports have identified hematopoietic colony-stimulating factors as important regulators of tumor- and nerve injury-associated pain. Using a mouse model of colitis, we identify the proinflammatory cytokine granulocyte-colony-stimulating factor (G-CSF or Csf-3) as a key mediator of visceral sensitization...
October 2, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28973394/synthesis-and-characterization-of-heparosan-granulocyte-colony-stimulating-factor-conjugates-a-natural-sugar-based-drug-delivery-system-to-treat-neutropenia
#20
Wei Jing, Jonathan W Roberts, Dixy E Green, Andrew Almond, Paul L DeAngelis
Many injectable drugs require delivery strategies for enhancing their pharmacokinetics due to rapid loss via renal filtration if possess low molecular weight (<60-70 kDa) and/or clearance by the body's components (e.g., proteases, antibodies, high-efficiency receptors) in their native form. FDA-approved polyethylene glycol [PEG] is a vehicle for improving therapeutics, but artificial polymers have potential biocompatibility and immunogenicity liabilities. Here we utilized a natural vertebrate carbohydrate, heparosan [HEP], the biosynthetic precursor of heparan sulfate and heparin, to enhance performance of a biologic drug...
August 23, 2017: Glycobiology
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