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https://www.readbyqxmd.com/read/28646261/hepatic-arterial-infusion-chemotherapy-for-extensive-liver-metastases-of-breast-cancer-efficacy-safety-and-prognostic-parameters
#1
Mitra Tewes, Michael Wilhelm Peis, Simon Bogner, Jens M Theysohn, Marcus Paul Reinboldt, Martin Schuler, Anja Welt
PURPOSE: Hepatic arterial infusion chemotherapy (HAIC) is an option for patients with liver-predominant metastatic breast cancer (LMBC), when no further systemic treatment is available. But systematic reports are limited. Here we conducted a retrospective analysis of LMBC patients treated at an expert center. METHODS: Individual patient data were retrieved from the clinical data base of the West German Cancer Center. Primary endpoints included hepatic response (RECIST), progression-free survival (PFS), overall survival (OS), and toxicity...
June 23, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28642279/role-of-myd88-signaling-in-the-imiquimod-induced-mouse-model-of-psoriasis-focus-on-innate-myeloid-cells
#2
Sara Costa, Olivia Marini, Dalila Bevilacqua, Anthony L DeFranco, Baidong Hou, Silvia Lonardi, William Vermi, Pamela Rodegher, Anna Panato, Franco Tagliaro, Clifford A Lowell, Marco A Cassatella, Giampiero Girolomoni, Patrizia Scapini
Psoriasis is a chronic skin disease associated with deregulated activation of immune cells and keratinocytes. In this study, we used the imiquimod (IMQ)-induced mouse model of psoriasis to dissect better the contribution of hematopoietic and skin-resident stromal cells to psoriasis development. The comparison of disease development in mice carrying the hematopoietic cell-specific deletion of MyD88 (Myd88(fl/fl)Vav-cre(+) mice) with mice carrying the total MyD88 deficiency (Myd88(-/-) mice), we show that the progression of skin and systemic inflammation, as well as of epidermal thickening, was completely dependent on MyD88 expression in hematopoietic cells...
June 22, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28641611/-dmso-promotes-hematopoietic-differentiation-of-human-embryonic-stem-cells-in-vitro
#3
Hong-Tao Wang, Meng-Ge Wang, Xin Liu, Pei Su, Lei-Sheng Zhang, Cui-Cui Liu, Yu Wang, Dan Wu, Qian Tu, Jia-Xi Zhou
OBJECTIVE: To explore the role of dimethyl sulfoxide (DMSO) in the hematopoietic differentiation of human embryonic stem cells (hESCs). METHODS: The role of DMSO in hematopoietic differentiation of hESC was investigated by using a established stepwise hematopoietic differentiation system from hESC, immunofluorescouse assay and flow cytometry. Furthermore, the window phase of DMSO action was explored by adding it to the different stage of hematopoietic differentiation...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28638379/graft-versus-leukemia-effect-following-hematopoietic-stem-cell-transplantation-for-leukemia
#4
REVIEW
Anne M Dickinson, Jean Norden, Shuang Li, Ilona Hromadnikova, Christoph Schmid, Helga Schmetzer, Hans Jochem-Kolb
The success of hematopoietic stem cell transplantation (HSCT) lies with the ability of the engrafting immune system to remove residual leukemia cells via a graft-versus-leukemia effect (GvL), caused either spontaneously post-HSCT or via donor lymphocyte infusion. GvL effects can also be initiated by allogenic mismatched natural killer cells, antigen-specific T cells, and activated dendritic cells of leukemic origin. The history and further application of this GvL effect and the main mechanisms will be discussed and reviewed in this chapter...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28634350/a-subset-of-cerebrovascular-pericytes-originates-from-mature-macrophages-in-the-very-early-phase-of-vascular-development-in-cns
#5
Seiji Yamamoto, Masashi Muramatsu, Erika Azuma, Masashi Ikutani, Yoshinori Nagai, Hiroshi Sagara, Bon-Nyeo Koo, Satomi Kita, Erin O'Donnell, Tsuyoshi Osawa, Hiroyuki Takahashi, Ken-Ichi Takano, Mitsuko Dohmoto, Michiya Sugimori, Isao Usui, Yasuhide Watanabe, Noboru Hatakeyama, Takahiro Iwamoto, Issei Komuro, Kiyoshi Takatsu, Kazuyuki Tobe, Shumpei Niida, Naoyuki Matsuda, Masabumi Shibuya, Masakiyo Sasahara
Pericytes are believed to originate from either mesenchymal or neural crest cells. It has recently been reported that pericytes play important roles in the central nervous system (CNS) by regulating blood-brain barrier homeostasis and blood flow at the capillary level. However, the origin of CNS microvascular pericytes and the mechanism of their recruitment remain unknown. Here, we show a new source of cerebrovascular pericytes during neurogenesis. In the CNS of embryonic day 10.5 mouse embryos, CD31(+)F4/80(+) hematopoietic lineage cells were observed in the avascular region around the dorsal midline of the developing midbrain...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633040/hematopoietic-cell-transplantation-training-challenges-and-potential-opportunities-through-networking-and-integration-of-modern-technologies-to-the-practice-setting
#6
REVIEW
Mohamed A Kharfan-Dabaja, Mahmoud Aljurf
Hematopoietic cell transplantation (HCT), particularly allogeneic HCT, is a complex and a high-risk procedure requiring expertise to manage potential treatment complications. Published data supports the value of quality management systems in improving post-transplant outcomes; however, there are no universally established, or agreed upon, criteria to assess adequacy of training of physicians, transplant or nontransplant, and supporting staff, among others. It is of paramount importance for transplant centers to identify the needed area(s) of expertise in order to seek appropriate training for their staff...
June 13, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28633037/treatment-with-methotrexate-rituximab-and-cytosine-arabinoside-followed-by-autologous-stem-cell-transplantation-in-primary-central-nervous-system-lymphoma-a-single-center-experience
#7
Pinar Ataca Atilla, Erden Atilla, Sinem Civriz Bozdag, Meltem Kurt Yuksel, Selami Kocak Toprak, Pervin Topcuoglu, Taner Demirer, Osman Ilhan, Onder Arslan, Gunhan Gurman, Muhit Ozcan
OBJECTIVE/BACKGROUND: Primary central nervous system lymphoma (PCNSL) is associated with worst prognosis compared with other aggressive non-Hodgkin's lymphomas. However, recent trials have demonstrated that long-term progression-free survival can be achieved by immunochemotherapy. Our goal is to present our experience in aggressive PCNSL in this study. METHODS: We retrospectively evaluated the clinical features and management of 13 PCNSL patients who were diagnosed and treated between 2006 and 2015...
June 15, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28630061/increased-resistance-to-intradermal-francisella-tularensis-lvs-infection-by-inactivation-of-the-sts-phosphatases
#8
Kaustubh Parashar, Erik Kopping, David Frank, Vinaya Sampath, David G Thanassi, Nick Carpino
The Suppressor of TCR signaling proteins (Sts-1 and Sts-2) are two homologous phosphatases that negatively regulate signaling pathways in a number of hematopoietic lineages, including T lymphocytes. Mice lacking Sts expression are characterized by enhanced T cell responses. Additionally, a recent study demonstrated that Sts-/- mice are profoundly resistant to systemic infection of Candida albicans, with resistance characterized by enhanced survival, more rapid fungal clearance in key peripheral organs, and an altered inflammatory response...
June 19, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28629746/severe-disease-and-greater-impairment-of-nf-%C3%AE%C2%BAb-activation-in-i%C3%AE%C2%BAba-point-mutants-versus-truncation-mutants-in-autosomal-dominant-anhidrotic-ectodermal-dysplasia-with-immune-deficiency
#9
Daniel Petersheim, Michel J Massaad, Saetbyul Lee, Alessia Scarselli, Caterina Cancrini, Kunihiko Moriya, Yoji Sasahara, Arjan C Lankester, Morna Dorsey, Daniela Di Giovanni, Liliana Bezrodnik, Hidenori Ohnishi, Ryuta Nishikomori, Kay Tanita, Hirokazu Kanegane, Tomohiro Morio, Erwin W Gelfand, Ashish Jain, Elizabeth Secord, Capucine Picard, Jean-Laurent Casanova, Michael H Albert, Troy R Torgerson, Raif S Geha
BACKGROUND: Autosomal dominant anhidrotic ectodermal dysplasia with immune deficiency (AD EDA-ID) is caused by heterozygous point mutations at or close to S32 and S36 or N-terminal truncations in IκBα that impair its phosphorylation and degradation, and thus activation of the canonical NF-κB pathway. The outcome of hematopoietic stem cell transplantation is poor in AD EDA-ID despite achievement of chimerism. Mice heterozygous for the S32I mutation in IκBα have impaired non-canonical NF-κB activity and defective lymphorganogenesis...
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28629606/evidence-for-a-higher-resolution-of-hla-genotyping-by-a-new-ngs-based-approach
#10
M Alizadeh, A Walencik, C Frassati, P Moskovtchenko, X Lafarge, F Verite, G Semana
With more than 16,000 alleles identified, the human leucocyte antigen (HLA) system is one of the most polymorphic regions of the human genome. Regarding the crucial role of HLA compatibility in transplantation and especially in Hematopoietic Stem Cell Transplantation, identification of HLA polymorphisms at a high-resolution level is of major interest. Recently, NGS technology has been proposed which appears to be simpler and more informative than the classical molecular methods such as SSP, SSOr and SBT. In the present report, a new set of NGS reagents and the appropriate associated software for sequence analysis are described...
June 16, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28629525/erythropoietin-regulation-by-angiotensin-ii
#11
Yong-Chul Kim, Ognoon Mungunsukh, Regina M Day
The renin-angiotensin system (RAS) is a key regulator of blood pressure and blood volume homeostasis. The RAS is primarily comprised of the precursor protein angiotensinogen and the two proteases, renin and angiotensin-converting enzyme (ACE). Angiotensin I (Ang I) is derived from angiotensinogen by renin, but appears to have no biological activity. In contrast, angiotensin II (Ang II) that has a variety of biological functions in the cells is converted from Ang I through removal of two-C-terminal residues by ACE...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28628633/pro-inflammatory-immune-responses-are-associated-with-clinical-signs-and-symptoms-of-human-anaplasmosis
#12
Anna M Schotthoefer, Steven J Schrodi, Jennifer K Meece, Thomas R Fritsche, Sanjay K Shukla
Human anaplasmosis (HA) is an emerging tick-borne disease that may present as a mild flu-like illness or a life threatening, sepsis-like condition. Although disease severity is hypothesized to relate to immunopathology and immune dysfunction in humans, studies to directly measure immune responses in infected humans have been very limited. We quantified cytokines in 80 confirmed HA patients using a multiplex chemiluminescence immunoassay system and compared similarly measured responses in 1000 control subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28627468/a-novel-chalcone-derivative-lqfm064-induces-breast-cancer-cells-death-via-p53-p21-kit-and-pdgfra
#13
Bruna Lannuce Silva Cabral, Artur Christian Garcia da Silva, Renato Ivan de Ávila, Alane Pereira Cortez, Rangel Magalhães Luzin, Luciano Morais Lião, Eric de Souza Gil, Gérman Sanz, Boniek G Vaz, José R Sabino, Ricardo Menegatti, Marize Campos Valadares
This study shows the design, synthesis and antitumoral potential evaluation of a novel chalcone-like compound, (E)-3- (3, 5-di-ter-butyl-4-hydroxyphenyl)-1- (4-hydroxy-3-methoxyphenyl) prop-2-en-1-one [LQFM064) (4)], against human breast adenocarcinoma MCF7 cells. Some toxicological parameters were also investigated. LQFM064) (4) exhibited cytotoxic activity against MCF7 cells (IC50=21μM), in a concentration dependent-manner, and triggered significant changes in cell morphology and biochemical/molecular parameters, which are suggestive of an apoptosis inductor...
June 13, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28626778/single-cell-based-vector-tracing-in-patients-with-ada-scid-treated-with-stem-cell-gene-therapy
#14
Yuka Igarashi, Toru Uchiyama, Tomoko Minegishi, Sirirat Takahashi, Nobuyuki Watanabe, Toshinao Kawai, Masafumi Yamada, Tadashi Ariga, Masafumi Onodera
Clinical improvement in stem cell gene therapy (SCGT) for primary immunodeficiencies depends on the engraftment levels of genetically corrected cells, and tracing the transgene in each hematopoietic lineage is therefore extremely important in evaluating the efficacy of SCGT. We established a single cell-based droplet digital PCR (sc-ddPCR) method consisting of the encapsulation of a single cell into each droplet, followed by emulsion PCR with primers and probes specific for the transgene. A fluorescent signal in a droplet indicates the presence of a single cell carrying the target gene in its genome, and this system can clearly determine the ratio of transgene-positive cells in the entire population at the genomic level...
September 15, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28626366/current-developments-in-mobilization-of-hematopoietic-stem-and-progenitor-cells-and-their-interaction-with-niches-in-bone-marrow
#15
REVIEW
Rudolf Richter, Wolfgang Forssmann, Reinhard Henschler
The clinical application of hematopoietic stem and progenitor cells (HSPCs) has evolved from a highly experimental stage in the 1980s to a currently clinically established treatment for more than 20,000 patients annually who suffer from hematological malignancies and other severe diseases. Studies in numerous murine models have demonstrated that HSPCs reside in distinct niches within the bone marrow environment. Whereas transplanted HSPCs travel through the bloodstream and home to sites of hematopoiesis, HSPCs can be mobilized from these niches into the blood either physiologically or induced by pharmaceutical drugs...
June 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28621410/the-leo-sachs-legacy-a-pioneer-s-journey-through-hematopoiesis
#16
Joseph Lotem, Yoram Groner
Leo Sachs spent almost his entire scientific career in Israel, at the Weizmann Institute of Science, and became a worldwide renowned scientist for his pioneering studies in normal hematopoiesis, its breakdown in leukemia and the suppression of malignancy by inducing differentiation, thereby bypassing genetic defects that give rise to malignancy. The cell culture system he established in the early 1960s for the clonal development of normal hematopoietic cells, made it possible to discover the proteins that regulate the viability, proliferation and differentiation of different blood cell lineages, the molecular basis of normal hematopoiesis and the changes that drive leukemia...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28618139/large-scale-ex-vivo-generation-of-human-red-blood-cells-from-cord-blood-cd34-cells
#17
Yu Zhang, Chen Wang, Lan Wang, Bin Shen, Xin Guan, Jing Tian, Zhihua Ren, Xinxin Ding, Yupo Ma, Wei Dai, Yongping Jiang
The ex vivo generation of human red blood cells on a large scale from hematopoietic stem and progenitor cells has been considered as a potential method to overcome blood supply shortages. Here, we report that functional human erythrocytes can be efficiently produced from cord blood (CB) CD34(+) cells using a bottle turning device culture system. Safety and efficiency studies were performed in murine and nonhuman primate (NHP) models. With the selected optimized culture conditions, one human CB CD34(+) cell could be induced ex vivo to produce up to 200 million erythrocytes with a purity of 90...
June 15, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28617137/drugs-currently-under-investigation-for-the-treatment-of-invasive-candidiasis
#18
Matthew W McCarthy, Thomas J Walsh
The widespread implementation of immunosuppressants, immunomodulators, hematopoietic stem cell transplantation and solid organ transplantation in clinical practice has led to an expanding population of patients who are at risk for invasive candidiasis, which is the most common form of fungal disease among hospitalized patients in the developed world. The emergence of drug-resistant Candida spp. has added to the morbidity associated with invasive candidiasis and novel therapeutic strategies are urgently needed...
June 15, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28615208/deficiency-of-the-nod-like-receptor-nlrc5-results-in-decreased-cd8-t-cell-function-and-impaired-viral-clearance
#19
Christopher R Lupfer, Kate L Stokes, Teneema Kuriakose, Thirumala-Devi Kanneganti
Pathogen recognition receptors are vital components of the immune system. Engagement of these receptors is important not only for instigation of innate immune responses to invading pathogens but also for initiating the adaptive immune response. Members of the NOD-like receptor (NLR) family of pathogen recognition receptors have important roles in orchestrating this response. The NLR family member, NLRC5 regulates major histocompatibility complex class I (MHC-I) expression during various types of infections, but its role in immunity to influenza A virus (IAV) is not well studied...
June 14, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28614804/in-vivo-kinetics-and-nonradioactive-imaging-of-rapidly-proliferating-cells-in-graft-versus-host-disease
#20
Nataliya P Buxbaum, Donald E Farthing, Natella Maglakelidze, Martin Lizak, Hellmut Merkle, Andrea C Carpenter, Brittany U Oliver, Veena Kapoor, Ehydel Castro, Gregory A Swan, Liliane M Dos Santos, Nicolas J Bouladoux, Catherine V Bare, Francis A Flomerfelt, Michael A Eckhaus, William G Telford, Yasmine Belkaid, Remy J Bosselut, Ronald E Gress
Hematopoietic stem cell transplantation (HSCT) offers a cure for cancers that are refractory to chemotherapy and radiation. Most HSCT recipients develop chronic graft-versus-host disease (cGVHD), a systemic alloimmune attack on host organs. Diagnosis is based on clinical signs and symptoms, as biopsies are risky. T cells are central to the biology of cGVHD. We found that a low Treg/CD4+ T effector memory (Tem) ratio in circulation, lymphoid, and target organs identified early and established mouse cGVHD. Using deuterated water labeling to measure multicompartment in vivo kinetics of these subsets, we show robust Tem and Treg proliferation in lymphoid and target organs, while Tregs undergo apoptosis in target organs...
June 15, 2017: JCI Insight
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