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https://www.readbyqxmd.com/read/29458172/modelling-human-myoblasts-survival-upon-xenotransplantation-into-immunodeficient-mouse-muscle
#1
Christophe Praud, Karine Vauchez, Pascal Zongo, Jean-Thomas Vilquin
Cell transplantation has been challenged in several clinical indications of genetic or acquired muscular diseases, but therapeutic success were mitigated. To understand and improve the yields of tissue regeneration, we aimed at modelling the fate of CD56-positive human myoblasts after transplantation. Using immunodeficient severe combined immunodeficiency (SCID) mice as recipients, we assessed the survival, integration and satellite cell niche occupancy of human myoblasts by a triple immunohistochemical labelling of laminin, dystrophin and human lamin A/C...
February 16, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29456531/first-occurrence-of-plasmablastic-lymphoma-in-adenosine-deaminase-deficient-severe-combined-immunodeficiency-disease-patient-and-review-of-the-literature
#2
Maddalena Migliavacca, Andrea Assanelli, Maurilio Ponzoni, Roberta Pajno, Federica Barzaghi, Fabio Giglio, Francesca Ferrua, Marta Frittoli, Immacolata Brigida, Francesca Dionisio, Roberto Nicoletti, Miriam Casiraghi, Maria Grazia Roncarolo, Claudio Doglioni, Jacopo Peccatori, Fabio Ciceri, Maria Pia Cicalese, Alessandro Aiuti
Adenosine deaminase-deficient severe combined immunodeficiency disease (ADA-SCID) is a primary immune deficiency characterized by mutations in the ADA gene resulting in accumulation of toxic compounds affecting multiple districts. Hematopoietic stem cell transplantation (HSCT) from a matched donor and hematopoietic stem cell gene therapy are the preferred options for definitive treatment. Enzyme replacement therapy (ERT) is used to manage the disease in the short term, while a decreased efficacy is reported in the medium-long term...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29453442/white-matter-integrity-in-medication-free-women-with-peripartum-depression-a-tract-based-spatial-statistics-study
#3
Michelle Silver, Constance M Moore, Vanessa Villamarin, Nina Jaitly, Janet E Hall, Anthony J Rothschild, Kristina M Deligiannidis
Diffusion tensor imaging (DTI) studies in depression show decreased structural connectivity in the left anterior limb of the internal capsule and the genu of the corpus callosum but no such studies exist in peripartum depression (PPD), which affects 1 in 8 women. We analyzed fractional anisotropy (FA) as a measure of white matter integrity of these two tracts using tract-based spatial statistics (TBSS). We then conducted an exploratory whole-brain analysis to identify additional regions implicated in PPD. Seventy-five pregnant, medication-free women were evaluated with the Edinburgh Postnatal Depression Scale (EPDS) and Structured Clinical Interview (SCID) for DSM-IV-TR in pregnancy and in the postpartum...
February 5, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29450644/pi3k-akt-inhibitor-ly294002-potentiates-homoharringtonine-antimyeloma-activity-in-myeloma-cells-adhered-to-stromal-cells-and-in-scid-mouse-xenograft
#4
Ping Chen, Xiaofang Wen, Bin Wang, Diyu Hou, Hong Zou, Qin Yuan, Hui Yang, Jieqiong Xie, Huifang Huang
Homoharringtonine (HHT) is a known anti-leukemia drug that inhibits multiple myeloma (MM) cells both in vitro and in vivo. Our prior study demonstrated that the potency of HHT in MM cells was compromised significantly when myeloma cells were co-cultured with BM stromal cells. This study aimed to investigate whether PI3K/Akt inhibitor LY294002 could potentiate the antimyeloma activity of HHT against MM cells adhered to BM stromal cells and in vivo xenograft models. A co-culture system composed of MM cells and human stromal cells was employed to mimic MM cells in bone marrow niche...
February 15, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29448281/-evaluation-of-factor-structure-and-construct-validity-of-the-12-item-short-version-of-the-opd-structure-questionnaire-opd-sqs-in-psychosomatic-patients
#5
Alexander Obbarius, Nina Obbarius, Felix Fischer, Gregor Liegl, Matthias Rose
BACKGROUND: Screening for personality dysfunction is regarded as increasingly important for treatment planning in clinical settings as this allows to determine specific clinical pathways in an early stage. Recently, the 12-item OPD Structure Questionnaire (OPD-SQS) was developed for this purpose and initial results of the factor structure and validity have been published. This study aimed to investigate and validate the OPD-SQS in further patient samples beyond the team of developers and to provide reference values...
February 15, 2018: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/29433309/nls-cholic-acid-conjugation-to-il-5r%C3%AE-specific-antibody-improves-cellular-accumulation-and-in-vivo-tumor-targeting-properties-in-a-bladder-cancer-model
#6
Michel Paquette, Simon Beaudoin, Mylene-Annie Tremblay, Steve Jean, Angel F Lopez, Roger Lecomte, Brigitte Guérin, M'hamed Bentourkia, Robert Sabbagh, Jeffrey V Leyton
Receptor-mediated internalization followed by trafficking and degradation of antibody-conjugates (ACs) via the endosomal-lysosomal pathway is the major mechanism for delivering molecular payloads inside target tumor cells. Although, a mainstay for delivering payloads with clinically approved ACs in cancer treatment and imaging, tumor cells are often able to decrease intracellular payload concentrations and thereby reduce the effectiveness of the desired application. Thus, increasing payload intracellular accumulation has become a focus of attention for designing next-generation ACs...
February 13, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29432734/the-anti-osteosarcoma-cell-activity-by-a-mtorc1-2-dual-inhibitor-res-529
#7
Xujun Hu, Zirui Wang, Meikai Chen, Xuerong Chen, Wenqing Liang
mTOR over-activation is important for human osteosarcoma (OS) tumorigenesis and progression. RES-529 is a mTORC1/2 dual inhibitor. Here, our results show that RES-529 inhibited viability, cell cycle progression and proliferation of the established (U2OS line) and primary human OS cells. RES-529 induced apoptosis activation in OS cells. It was yet non-cytotoxic to OB-6 osteoblastic cells and the primary human osteoblasts. RES-529 disrupted assembling of mTORC1 (mTOR-Raptor association) and mTORC2 (mTOR-Rictor-mLST8 association) in human OS cells, blocking mTORC1/2 activation...
February 9, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29432732/long-non-coding-rna-00312-downregulates-cyclin-b1-and-inhibits-hepatocellular-carcinoma-cell-proliferation-in-vitro-and-in-vivo
#8
Jianbing Wu, Xiaoxin Zhou, Yilei Fan, Xiangwei Cheng, Bin Lu, Zhe Chen
Long non-coding RNAs are dysregulated in human hepatocellular carcinoma (HCC). We tested the potential effect of long non-coding RNA 00312 ("Lnc00312") on human HCC cell behavior in vitro and in vivo. Forced-expression of Lnc00312 by a lentiviral vector induced proliferation inhibition and apoptosis in HepG2 cells and primary human HCC cells. Lnc00312 downregulated cyclin B1 and induced G2-M cell cycle arrest in HCC cells. Restoring cyclin B1 expression by a cyclin B1 cDNA construct inhibited Lnc00312-induced cytotoxicity against HCC cells...
February 9, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29432501/venlafaxine-and-sertraline-does-not-affect-the-expression-of-genes-regulating-stress-response-in-female-mdd-patients
#9
Ewa Banach, Aleksandra Szczepankiewicz, Anna Leszczyńska-Rodziewicz, Joanna Pawlak, Monika Dmitrzak-Węglarz, Dorota Zaremba, Joanna Twarowska-Hauser
OBJECTIVES: The aim of this study was to analyze the expression of 3 genes involved in the regulation of HPA axis: GR, HSP90 and FKBP5, in patients with major depressive disorder (MDD) before antidepressant treatment and after 8 weeks of pharmacotherapy. Additionally, we analyzed the level of glucocorticoid receptor isoforms before and after treatment. METHODS: The study included 30 female patients (aged 18-60 years), with major depres- sive disorder diagnosed on the basis of the Structured Clinical Interview for DSM-IV (SCID)...
December 30, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/29432024/evaluation-of-muc-1-aptamer-functionalized-hybrid-nanoparticles-for-targeted-delivery-of-mirna-29b-to-non-small-cell-lung-cancer
#10
Maryna Perepelyuk, Koita Sacko, Karthik Thangavel, Sunday A Shoyele
The objective of this study was to evaluate the therapeutic efficacy and pharmacokinetic study of mucin1-aptamer functionalized miRNA-29b-loaded hybrid nanoparticles (MAFMILHN) in lung tumor-bearing SCID mice. MAFMILHN were manufactured using an iso-electric point based nanotechnology. They were then fully characterized for particle size, loading capacity, Zeta potential and encapsulation efficiency. The ability of MAFMILHN to downregulate oncoprotein DNMT3B both at the cellular level and in vivo was monitored using western blot, while the effect of the downregulation of DNMT3B on tumor growth was assessed using bioluminescence...
February 12, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29429891/vinorelbine-potently-induces-placental-cell-death-does-not-harm-fertility-and-is-a-potential-treatment-for-ectopic-pregnancy
#11
Roxanne Hastie, Elgene Lim, Pavel Sluka, Lisa Campbell, Andrew Horne, Lenore Ellett, Natalie J Hannan, Fiona Brownfoot, Tu'uhevaha J Kaitu'u-Lino, Stephen Tong
Ectopic pregnancies complicate 1-2 pregnancies and are a leading cause of maternal death. An effective oral drug therapy that replaces surgery might make its treatment safer, cheaper, simpler and therefore more widely accessible. The only current medical treatment offered to women is intramuscular methotrexate, but this only reliably resolves smaller ectopic pregnancies. As such, many ectopic pregnancies require surgical excision. We show that vinorelbine, an orally available chemotherapeutic agent, potently induced placental cell death but did not harm fertility in mice...
February 2, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29425443/tumor-targeting-with-novel-pyridyl-6-substituted-pyrrolo-2-3-d-pyrimidine-antifolates-via-cellular-uptake-by-folate-receptor-%C3%AE-and-the-proton-coupled-folate-transporter-and-inhibition-of-de-novo-purine-nucleotide-biosynthesis
#12
Manasa Ravindra, Adrianne Wallace-Povirk, Mohammad A Karim, Mike R Wilson, Carrie E O'Connor, Kathryn White, Juiwanna Kushner, Lisa A Polin, Christina George, Zhanjun Hou, Larry H Matherly, Aleem Gangjee
Tumor-targeted specificities of 6-substituted pyrrolo[2,3-d]pyrimidine analogs of 1 where the phenyl side-chain is replaced by 3',6' (5, 8), 2',5' (6, 9), and 2',6' (7, 10) pyridyls were analyzed. Proliferation inhibition of isogenic Chinese hamster ovary (CHO) cells expressing folate receptors (FRs) α and β were in rank order, 6 > 9 > 5 > 7 > 8, with 10 showing no activity, and 6 > 9 > 5 > 8, with 10 and 7 being inactive, respectively. Anti-proliferative effects toward FRα- and FRβ-expressing cells were reflected in competitive binding with [3H]folic acid...
February 9, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29423050/enhanced-anti-tumor-efficacy-and-mechanisms-associated-with-docetaxel-piperine-combination-in-vitro-and-in-vivo-investigation-using-a-taxane-resistant-prostate-cancer-model
#13
Chenrui Li, Zhijun Wang, Qian Wang, Rebecca Lucinda Ka Yan Ho, Ying Huang, Moses S S Chow, Christopher Wai Kei Lam, Zhong Zuo
Docetaxel (DTX) is widely used for metastatic castrated resistant prostate cancer, but its efficacy is often compromised by drug resistance associated with low intracellular concentrations. Piperine (PIP) could enhance the bioavailability of other drugs via the inhibition of CYPs and P-gp activities. Thus, we hypothesize a positive effect with the DTX-PIP combination on the anti-tumor efficacy and intra-tumor DTX concentrations in taxane-resistant prostate cancer. ICR-NOD/SCID mice implanted with taxane-resistant human prostate cancer cells were administrated with saline as well as PIP and DTX separately or in combination...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29420708/sex-differences-in-maturation-of-human-embryonic-stem-cell-derived-beta-cells-in-mice
#14
Nelly Saber, Jennifer E Bruin, Shannon O'Dwyer, Hellen Schuster, Alireza Rezania, Timothy J Kieffer
Pancreatic progenitors derived from human embryonic stem cells (hESCs) are now in clinical trials for insulin replacement in patients with type 1 diabetes. Animal studies indicate the cells can mature into a mixed population of pancreatic endocrine cells including glucose-responsive beta cells several months after implant, but it remains unclear how conditions in the recipient may influence the maturation and ultimately the function of these cells. Here, we investigated the effects of the host sex and pregnancy on the maturation of human Stage 4 (S4) pancreatic progenitor cells and more mature Stage 7 (S7) pancreatic endocrine cells implanted under the kidney capsule of immunodeficient SCID-Beige mice...
February 5, 2018: Endocrinology
https://www.readbyqxmd.com/read/29415982/combination-therapy-with-proteasome-inhibitors-and-tlr-agonists-enhances-tumour-cell-death-and-il-1%C3%AE-production
#15
Anthony C Tang, Seyed M Rahavi, Shan-Yu Fung, Henry Y Lu, Hong Yang, Chinten J Lim, Gregor S Reid, Stuart E Turvey
Proteasome inhibitors have emerged as an effective therapy for the treatment of haematological malignancies; however, their efficacy can be limited by the development of tumour resistance mechanisms. Novel combination strategies including the addition of TLR adjuvants to increase cell death and augment immune responses may help enhance their effectiveness. Although generally thought to inhibit inflammatory responses and NF-κB activation, we found that under specific conditions proteasome inhibitors can promote inflammatory responses by mediating IL-1β maturation and secretion after TLR stimulation...
February 7, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29415775/effects-of-cumulative-illness-severity-on-hippocampal-gray-matter-volume-in-major-depression-a-voxel-based-morphometry-study
#16
Dario Zaremba, Verena Enneking, Susanne Meinert, Katharina Förster, Christian Bürger, Katharina Dohm, Dominik Grotegerd, Ronny Redlich, Bruno Dietsche, Axel Krug, Tilo Kircher, Harald Kugel, Walter Heindel, Bernhard T Baune, Volker Arolt, Udo Dannlowski
BACKGROUND: Patients with major depression show reduced hippocampal volume compared to healthy controls. However, the contribution of patients' cumulative illness severity to hippocampal volume has rarely been investigated. It was the aim of our study to find a composite score of cumulative illness severity that is associated with hippocampal volume in depression. METHODS: We estimated hippocampal gray matter volume using 3-tesla brain magnetic resonance imaging in 213 inpatients with acute major depression according to DSM-IV criteria (employing the SCID interview) and 213 healthy controls...
February 8, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29412012/application-of-an-assay-cascade-methodology-for-a-deep-preclinical-characterization-of-polymeric-nanoparticles-as-a-treatment-for-gliomas
#17
Cristina Fornaguera, Miguel Ángel Lázaro, Pau Brugada-Vilà, Irene Porcar, Ingrid Morera, Marta Guerra-Rebollo, Cristina Garrido, Núria Rubio, Jerónimo Blanco, Anna Cascante, Salvador Borrós
Glioblastoma multiforme (GBM) is the most devastating primary brain tumor due to its infiltrating and diffuse growth characteristics, a situation compounded by the lack of effective treatments. Currently, many efforts are being devoted to find novel formulations to treat this disease, specifically in the nanomedicine field. However, due to the lack of comprehensive characterization that leads to insufficient data on reproducibility, only a reduced number of nanomedicines have reached clinical phases. In this context, the aim of the present study was to use a cascade of assays that evaluate from physical-chemical and structural properties to biological characteristics, both in vitro and in vivo, and also to check the performance of nanoparticles for glioma therapy...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29407771/triptolide-induces-mitochondria-mediated-apoptosis-of-burkitt-s-lymphoma-cell-via-deacetylation-of-gsk-3%C3%AE-by-increased-sirt3-expression
#18
Jiamin Kong, Li Wang, Lu Ren, Yujing Yan, Yisen Cheng, Zhiying Huang, Feihai Shen
Burkitt's lymphoma (BL) is a highly aggressive B-cell non-Hodgkin lymphoma with rapid growth and dissemination propensity. Triptolide (TP), an active component extracted from Chinese herb Tripterygium wilfordii Hook f., has broad-spectrum anti-tumor activities. This study aimed to explore the in vitro and in vivo anti-cancer effects of TP on BL and the potential molecular mechanisms. In this study, the in vitro anti-tumor activity of TP was determined by CCK-8 and flow cytometry assays in Raji, NAMALWA and Daudi cells...
January 29, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29407512/maternal-depression-antidepressant-use-and-placental-oxytocin-receptor-dna-methylation-findings-from-the-mpews-study
#19
Megan Galbally, Joanne Ryan, Marinus van IJzendoorn, Stuart J Watson, Olav Spigset, Martha Lappas, Richard Saffery, Ron de Kloet, Andrew James Lewis
The aim of this study was to investigate placental DNA methylation of the oxytocin receptor gene (OXTR) in women with depression in pregnancy. We also explored the role of antidepressant medication in pregnancy on placental OXTR methylation. Data were obtained from 239 women in the Mercy Pregnancy and Emotional Wellbeing Study (MPEWS), a selected pregnancy cohort. Current depressive disorders were diagnosed using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (SCID-IV)...
January 4, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29406612/2-fluoro-6-methylene-carbocyclic-adenosine-and-its-phosphoramidate-prodrug-a-novel-anti-hbv-agent-active-against-drug-resistant-hbv-mutants
#20
REVIEW
Uma S Singh, Varughese A Mulamoottil, Chung K Chu
Chronic hepatitis B (CHB) is one of the major causes of morbidity and mortality worldwide. Currently, clinically approved nucleos(t)ide analogs (NAs) are very efficient in reducing the load of hepatitis B virus (HBV) with minimum side effects. However, the long-term administration of antiviral drugs promotes HBV for potential drug resistance. To overcome this problem, combination therapies are administered, but HBV progressively altered mutations remain a threat. Therefore, optimally designed NAs are urgently needed to treat drug-resistant HBV...
February 6, 2018: Medicinal Research Reviews
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