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https://www.readbyqxmd.com/read/28721499/treg-protected-donor-lymphocyte-infusions-a-new-tool-to-address-the-graft-versus-leukemia-effect-in-the-absence-of-graft-versus-host-disease-in-patients-relapsed-after-hsct
#1
Mauro Di Ianni, Paola Olioso, Raffaella Giancola, Stella Santarone, Annalisa Natale, Gabriele Papalinetti, Ida Villanova, Stefano Baldoni, Ambra Di Tommaso, Tiziana Bonfini, Patrizia Accorsi, Paolo Di Bartolomeo
In high-risk acute leukemia patients undergoing haploidentical hematopoietic stem cell transplantation (HSCT), adoptive immunotherapy with T regulatory cells (Tregs) and T conventional cells (Tcons) prevented acute and chronic graft-versus-host disease (GvHD), favored post-transplant immunological reconstitution and was associated with a powerful graft-versus-leukemia (GvL) effect. With a particularly innovative approach, we developed a treatment with a Treg-protected donor lymphocyte infusion (DLI) for patients with early relapse after HSCT and we report here the results obtained in the first patient with APL (M3v) relapsed after a second matched allogeneic HSCT (15% blasts and 75% of donor cells in bone marrow)...
July 18, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28718726/effects-of-the-notch1-signaling-pathway-on-human-lung-cancer-a549-cells
#2
Yun Zeng, Bijian Yin, Xinwei Wang, Guohao Xia, Zhengjie Shen, Wenzhe Gu, Mianhua Wu
PURPOSE: To evaluate the effects of the Notch1 signaling pathway on human lung cancer A549 cells. MATERIALS AND METHODS: A549 cells were transfected with recombinant plasmids. Cell proliferation was detected by MTT assay. A tumor-bearing mouse model was established for intratumoral gene injection. Apoptosis-related factors were detected by immunohistochemical assay. Caspase-8, caspase-3, caspase-9, PI3K, pAkt and pSTAT3 expressions were detected by Western blotting...
July 18, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28716817/pi3k-gamma-delta-and-notch1-cross-regulate-pathways-that-define-the-t-cell-acute-lymphoblastic-leukemia-disease-signature
#3
Evgeni Efimenko, Utpal P Davé, Irina V Lebedeva, Yao Shen, Maria J Sanchez-Quintero, Daniel Diolaiti, Andrew Kung, Brian J Lannutti, Jianchung Chen, Ronald Realubit, Zoya Niatsetskiya, Vadim Ten, Charles Karan, Xi Chen, Andrea Califano, Thomas G Diacovo
PI3K/AKT and NOTCH1 signaling pathways are frequently dysregulated in T-cell acute lymphoblastic leukemias (T-ALL). Although we have shown that the combined activities of the class I PI3K isoforms p110γ and p110δ play a major role in the development and progression of PTEN null T-ALL, it has yet to be determined whether their contribution to leukemogenic programing is unique from that associated with NOTCH1 activation. Using a Lmo2-driven mouse model of T-ALL in which both the PI3K/AKT and NOTCH1 pathways are aberrantly upregulated, we now demonstrate that the combined activities of PI3Kγ/δ have both overlapping and distinct roles from NOTCH1 in generating T-ALL disease signature and in promoting tumor cell growth...
July 17, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28714363/portulaca-oleracea-extract-can-inhibit-nodule-formation-of-colon-cancer-stem-cells-by-regulating-gene-expression-of-the-notch-signal-transduction-pathway
#4
Heiying Jin, Li Chen, Shuiming Wang, Deng Chao
To investigate whether Portulaca oleracea extract affects tumor formation in colon cancer stem cells and its chemotherapy sensitivity. In addition, to analyze associated genetic changes within the Notch signal transduction pathway. Serum-free cultures of colon cancer cells (HT-29) and HT-29 cancer stem cells were treated with the chemotherapeutic drug 5-fluorouracil to assess sensitivity. Injections of the stem cells were also given to BALB/c mice to confirm tumor growth and note its characteristics. In addition, the effect of different concentrations of P...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28714033/evaluation-of-velvet-antler-total-protein-effect-on-bone-marrow%C3%A2-derived-endothelial-progenitor-cells
#5
Xiang Xiao, Lin Li, Shuqiang Xu, Min Mao, Ruiyan Pan, Yanjun Li, Jiayun Wu, Li Huang, Xiaoyun Zheng
Lu Rong, velvet antler (VA), is a traditional Chinese medicine, which is used as a food supplement and therapeutic drug in China, Japan, Russia, New Zealand and Southeast Asia. The regenerative characteristics of VA have resulted in great research interest, particularly regarding the fields of organ grafting and stem cell differentiation. Various VA proteomic studies verified that proteins act as the primary bioactive components of VA. The present study aimed to investigate if VA proteins (VA‑pro) influence endothelial progenitor cell (EPC) viability...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713966/spica-prunellae-extract-suppresses-the-growth-of-human-colon-carcinoma-cells-by-targeting-multiple-oncogenes-via-activating-mir-34a
#6
Yi Fang, Ling Zhang, Jianyu Feng, Wei Lin, Qiaoyan Cai, Jun Peng
Spica Prunellae is the spike of the herb Prunella vulgaris L. in traditional Chinese medicine which is often used for the treatment of various cancers including colorectal cancer. In the present study, we found that a key tumor suppressor, microRNA-34a (miR-34a) is involved in the antitumor activity for Spica Prunellae. Human colon carcinoma HCT-8 cells treated with an ethanol extract of Spica Prunellae (EESP) had significantly decreased cell proliferation and viability, in a dose-dependent manner. Flow cytometry analysis with Annexin V/PI staining analysis revealed that EESP treatment could induce apoptosis of HCT-8 cells...
July 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28712402/-xinfeng-capsule-improves-lung-function-by-regulating-notch-jagged-hes-axis-of-type-ii-alveolar-epithelial-cells-in-adjuvant-arthritis-rats
#7
Lei Wan, Jian Liu, Chuanbing Huang, Wandong Zhang, Yajun Qi, Xiaojun Zhang
Objective To observe the effect of Xinfeng Capsule (XFC) on Notch/Jagged-HES of type II alveolar epithelial cells (AECII). Methods Rats were divided for four groups: normal control (NC) group, model control (MC) group, leflunomide (LEF) group, XFC group, with 10 rats in each group. Complete Freund's adjuvant (CFA) was injected in the right foot plantar skin of each rat except for the NC group. After adjuvant arthritis was successfully induced, LEF group was given LEF (0.5 mg/100 g), and XFC group was treated with XFC (0...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28711903/notch-system-is-differentially-expressed-and-activated-in-pituitary-adenomas-of-distinct-histotype-tumor-cell-lines-and-normal-pituitaries
#8
Sofia Perrone, Lautaro Zubeldia-Brenner, Elias Gazza, Gianina Demarchi, Leticia Baccarini, Agustin Baricalla, Freya Mertens, Guillermina Luque, Hugo Vankelecom, Silvia Berner, Damasia Becu-Villalobos, Carolina Cristina
Pituitary adenomas are among the most frequent intracranial neoplasms and treatment depends on tumor subtype and clinical features. Unfortunately, non responder cases occur, then new molecular targets are needed.Notch system component expression and activation data are scarce in pituitary tumorigenesis, we therefore aimed to characterize Notch system in pituitary tumors of different histotype. In human pituitary adenomas we showed NOTCH1-4 receptors, JAGGED1 ligand and HES1 target gene expression with positive correlations between NOTCH1,2,4 and HES1, and NOTCH3 and JAGGED1 denoting Notch system activation in a subset of tumors...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28709865/overexpression-of-pofut1-and-activated-notch1-may-be-associated-with-poor-prognosis-in-breast-cancer
#9
Guoxing Wan, Lin Tian, Yuandong Yu, Fang Li, Xuanbin Wang, Chen Li, Shouheng Deng, Xiongjie Yu, Xiaojun Cai, Zhigang Zuo, Fengjun Cao
PURPOSE: The present study was to evaluate the prognostic value of protein expression of Pofut1 and Notch1 signaling in breast cancer. MATERIAL AND METHODS: Formalin-fixed paraffin-embedded 314 breast specimens including 174 infiltrating ductal carcinoma(IDC), 50 ductal carcinoma in situ(DCIS) and 90 adjacent normal tissue(ANT) were immunohistochemically examined to evaluate the protein expression of Pofut1, activated Notch1(N1IC) and Slug on specimens. Survival analysis was performed by Kaplan-Meier method and Cox's proportional-hazards model...
July 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28708231/ibrutinib-treatment-of-a-patient-with-relapsing-chronic-lymphocytic-leukemia-and-sustained-remission-of-richter-syndrome
#10
Elisa Albi, Stefano Baldoni, Patrizia Aureli, Erica Dorillo, Beatrice Del Papa, Stefano Ascani, Mauro Di Ianni, Franca Falzetti, Paolo Sportoletti
PURPOSE: Richter syndrome (RS) is a rare event in chronic lymphocytic leukemia (CLL) that is influenced by biological factors and prior CLL treatments. Ibrutinib is a Bruton tyrosine kinase inhibitor that has shown remarkable efficacy in CLL; however, little is known about its relationship to RS. We report a case of ibrutinib efficacy against CLL in a patient with prolonged remission of RS. METHODS: The patient was diagnosed with CLL in 2003. Biological findings at onset included absent ZAP70 expression, mutated IGVH, and NOTCH1 mutation...
July 5, 2017: Tumori
https://www.readbyqxmd.com/read/28700341/survival-of-metastatic-melanoma-patients-after-dendritic-cell-vaccination-correlates-with-expression-of-leukocyte-phosphatidylethanolamine-binding-protein-1-raf-kinase-inhibitory-protein
#11
Sonja I Buschow, Matteo Ramazzotti, Inge M J Reinieren-Beeren, Lucie M Heinzerling, Harm Westdorp, Irene Stefanini, Luca Beltrame, Stanleyson V Hato, Eva Ellebaek, Stefanie Gross, Van Anh Nguyen, Georg Weinlich, Jiannis Ragoussis, Dilair Baban, Beatrice Schuler-Thurner, Inge M Svane, Nikolaus Romani, Jonathan M Austyn, I Jolanda M De Vries, Gerold Schuler, Duccio Cavalieri, Carl G Figdor
Immunotherapy for metastatic melanoma offers great promise but, to date, only a subset of patients have responded. There is an urgent need to identify ways of allocating patients to the most beneficial therapy, to increase survival and decrease therapy-associated morbidity and costs. Blood-based biomarkers are of particular interest because of their straightforward implementation in routine clinical care. We sought to identify markers for dendritic cell (DC) vaccine-based immunotherapy against metastatic melanoma through gene expression analysis of peripheral blood mononuclear cells...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28699658/telomere-length-and-somatic-mutations-in-correlation-with-response-to-immunosuppressive-treatment-in-aplastic-anaemia
#12
Hee S Park, Si N Park, Kyongok Im, Sung-Min Kim, Jung-Ah Kim, Sang M Hwang, Dong S Lee
We investigated the frequencies of cytogenetic aberrations and somatic mutations of prognostic relevance in 393 patients with aplastic anaemia (AA). Clonality was determined by G-banding/fluorescence in situ hybridization (FISH) (n = 245), and targeted capture sequencing was performed for 88 haematopoiesis-related genes (n = 70). The telomere length (TL) of bone marrow nucleated cells was measured at the single cell level by FISH (n = 135). Eighteen (4·6%) patients showed disease progression, and monosomy 7 (50·0%) was the most predominant cytogenetic evolution at disease transformation...
July 12, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28698562/c-terminal-deletion-of-notch1-intracellular-domain-n1-icd-increases-its-stability-but-does-not-amplify-and-recapitulate-n1-icd-dependent-signalling
#13
Jennifer Blain, Jessily Bédard, Maureen Thompson, François-Michel Boisvert, Marie-Josée Boucher
Since the generation of a mouse strain conditionally expressing the active intracellular domain of Notch1 (N1(ICD)), many laboratories have exploited this model (Rosa(N1-ICD)) to assess the impact of constitutive Notch1 signalling activation in normal and pathological processes. It should be underscored that Cre-recombination leads to the expression of a C-terminally truncated form of N1(ICD) (N1(ICDdC)) in the Rosa(N1-ICD) mutant mice. Given that no studies were undertaken to delineate whether deletion of this region leaves intact N1(ICD) function, stable cell lines with single targeted integration of inducible N1(ICD) and N1(ICDdC) were generated...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698491/microrna-signature-of-human-microvascular-endothelium-infected-with-rickettsia-rickettsii
#14
Abha Sahni, Hema P Narra, Jignesh Patel, Sanjeev K Sahni
MicroRNAs (miRNAs) mediate gene silencing by destabilization and/or translational repression of target mRNA. Infection of human microvascular endothelial cells as primary targets of Rickettsiarickettsii, the etiologic agent of Rocky Mountain spotted fever, triggers host responses appertaining to alterations in cellular gene expression. Microarray-based profiling of endothelial cells infected with R.rickettsii for 3 or 24 h revealed differential expression of 33 miRNAs, of which miRNAs129-5p, 200a-3p, 297, 200b-3p, and 595 were identified as the top five up-regulated miRNAs (5 to 20-fold, p ≤ 0...
July 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28698260/phospholipase-c%C3%AE-1-mediates-intima-formation-through-akt-notch1-signaling-independent-of-the-phospholipase-activity
#15
Dongyang Jiang, Jianhui Zhuang, Wenhui Peng, Yuyan Lu, Hao Liu, Qian Zhao, Chen Chi, Xiankai Li, Guofu Zhu, Xiangbin Xu, Chen Yan, Yawei Xu, Junbo Ge, Jinjiang Pang
BACKGROUND: Vascular smooth muscle cell proliferation, migration, and dedifferentiation are critical for vascular diseases. Recently, it was demonstrated that Notch receptors have opposing effects on intima formation after vessel injury. Therefore, it is important to investigate the specific regulatory pathways that activate the different Notch receptors. METHODS AND RESULTS: There was a time- and dose-dependent activation of Notch1 by angiotensin II and platelet-derived growth factor in vascular smooth muscle cells...
July 11, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28695984/triptolide-prevents-extracellular-matrix-accumulation-in-experimental-diabetic-kidney-disease-by-targeting-microrna-137-notch1-pathway
#16
Fei Han, Shanshan Wang, Yunpeng Chang, Chunjun Li, Juhong Yang, Zhe Han, Baocheng Chang, Bei Sun, Liming Chen
MicroRNAs (miRNAs) are involved in multiple biological functions via suppressing target genes. Triptolide is a monomeric compound isolated from a traditional Chinese herb, which exerts protective roles in many kinds of glomerular diseases. However, our understanding of the triptolide effect on miRNAome is still limited. In this study, we found that triptolide significantly decreased albuminuria and improved glomerulosclerosis in rats with diabetic kidney disease (DKD). And triptolide also inhibited extracellular matrix (ECM) protein accumulation and the notch1 pathway activation under diabetic conditions...
July 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28694103/coe-inhibits-vasculogenic-mimicry-in-hepatocellular-carcinoma-via-suppressing-notch1-signaling
#17
Chen Jue, Zhao Min, Zhang Zhisheng, Cui Lin, Qian Yayun, Wang Xuanyi, Jin Feng, Wang Haibo, Shi Youyang, Hisamitsu Tadashi, Ishikawa Shintaro, Guo Shiyu, Liu Yanqing
ETHNOPHARMACOLOGICAL RELEVANCE: Vasculogenic mimicry (VM) has been suggested to be present in various malignant tumors and associated with tumor nutrition supply and metastasis, leading to poor prognosis of patients. Notch1 has been demonstrated to contribute to VM formation in hepathocellular carcinoma (HCC). Celastrus orbiculatus extract (COE), a mixture of 11 terpenoids isolated from the Chinese Herb Celastrus orbiculatus Vine, has been suggested to be effective in cancer treatment...
July 8, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28687730/fluvoxamine-stimulates-oligodendrogenesis-of-cultured-neural-stem-cells-and-attenuates-inflammation-and-demyelination-in-an-animal-model-of-multiple-sclerosis
#18
Majid Ghareghani, Kazem Zibara, Heibatollah Sadeghi, Shima Dokoohaki, Hossein Sadeghi, Roya Aryanpour, Amir Ghanbari
Multiple Sclerosis (MS) require medications controlling severity of the pathology and depression, affecting more than half of the patients. In this study, the effect of antidepressant drug fluvoxamine, a selective serotonin reuptake inhibitor, was investigated in vitro and in vivo. Nanomolar concentrations of fluvoxamine significantly increased cell viability and proliferation of neural stem cells (NSCs) through increasing mRNA expression of Notch1, Hes1 and Ki-67, and protein levels of NICD. Also, physiological concentrations of fluvoxamine were optimal for NSC differentiation toward oligodendrocytes, astrocytes and neurons...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28684076/expression-of-notch-signaling-pathway-during-osteoarthritis-in-the-temporomandibular-joint
#19
Lingli Lan, Yangmei Jiang, Weina Zhang, Ting Li, Binbin Ying, Songsong Zhu
PURPOSE: Our study aim was to characterize the expression of Notch molecules during temporomandibular joint osteoarthritis (TMJOA), thus exploring the mechanism and roles that Notch signaling possibly plays in the initiation and progression of TMJOA. MATERIALS AND METHODS: A total of 126 mice were divided randomly into experimental groups, a sham-surgery group and a normal control group. In the experimental group, total discectomy was performed in the right temporomandibular joint (TMJ) to induce TMJOA; the sham-operation group underwent the same procedure without disc removal, and the normal control group was left undisturbed...
June 3, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28678318/the-role-of-notch1-genes-in-lung-cancer-a594-cells-and-the-impact-on-chemosensitivity
#20
F Deng, Z-F Yang, C-Q Sun
OBJECTIVE: Expression of Notch1 gene in lung cancer A549 cells was reduced using small interfering RNA (small interfering RNA, siRNA) and the effect of Notch1 gene on proliferation and chemo sensitivity of lung cancer A549 cells was studied. MATERIALS AND METHODS: The Notch1 siRNA was transfected into A549 cells by liposome to inhibit the expressions of Notch1 gene in A549 cells. Real-time polymerase chain reaction (RT-PCR) and Western blot were used to detect the expression of Notch1 gene and protein...
June 2017: European Review for Medical and Pharmacological Sciences
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