keyword
MENU ▼
Read by QxMD icon Read
search

microenvironment

keyword
https://www.readbyqxmd.com/read/28531915/bone-marrow-stem-cells-anti-liver-fibrosis-potency-inhibition-of-hepatic-stellate-cells-activity-and-extracellular-matrix-deposition
#1
Ervina Julien Sitanggang, Radiana Dhewayani Antarianto, Sri Widia A Jusman, Jeanne Adiwinata Pawitan, Ahmad Aulia Jusuf
Transplantation of bone marrow derived stem cells (BMSCs) has been reported inhibits liver fibrosis. Several in vitro studies by co-culturing BMSCs and hepatic stellate cells (HSCs) indirectly or directly in 2D models showed inhibition of HSC as the key player in liver fibrosis. In this study, we investigated direct effect of BMSCs on HSCs by co-culturing BMSCs and HSCs in 3D model as it represents the liver microenvironment with intricate cell-cell and cell-matrix interactions. Primary isolated rat HSCs and BMSCs were directly co-cultured at 1:1 ratio with hanging drop method...
May 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28531878/effect-of-hierarchical-pore-structure-on-alp-expression-of-mc3t3-e1-cells-on-bioglass-films
#2
Cuixia Yu, Junjun Zhuang, Lingqing Dong, Kui Cheng, Wenjian Weng
Hierarchical porous bioglass films on the tantalum were designed to enhance osteointegration of metallic implants. The films were prepared by a sol-gel method using P123 as the mesopore template and polystyrene microsphere as the nanopore template. The films with 5.4nm mesopores and 100nm nanopores (MBG-100) elicited an obviously elongated morphology of the cultured MC3T3-E1 cells, as a result, a higher alkaline phosphatase level was expressed. It is suggested that the nanopores play an important role in regulating cellular behavior by initial protein adsorption through nanopore curvatures...
May 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28531804/protective-effect-and-mechanism-of-lycopene-on-endothelial-progenitor-cells-epcs-from-type-2-diabetes-mellitus-rats
#3
Yao-Chi Zeng, Li-Sheng Peng, Liyuan Zou, Shu-Fen Huang, Yi Xie, Gui-Ping Mu, Xue-Hui Zeng, Xi-Lin Zhou, Ya-Chi Zeng
Endothelial progenitor cells (EPCs), widely existing in bone marrow and peripheral blood, are involved in the repair of injured vascular endothelium and angiogenesis which are important to diabetic mellitus (DM) patients with vascular complications. The number and the function of EPCs are related to the advanced glycation end products (AGEs) generated in DM patients. Lycopene (Lyc) is an identified natural antioxidant that protects EPCs under the microenvironment of AGEs from damage. However, the underlying mechanism remains unclear...
May 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28531337/correlation-of-immune-phenotype-with-idh-mutation-in-diffuse-glioma
#4
Anna Sophie Berghoff, Barbara Kiesel, Georg Widhalm, Dorothee Wilhelm, Orsolya Rajky, Sebastian Kurscheid, Philip Kresl, Adelheid Wöhrer, Christine Marosi, Monika E Hegi, Matthias Preusser
Background: Tumor infiltrating lymphocytes (TILs) and programmed death ligand 1 (PD-L1) are targets of immune checkpoint inhibitors. Methods: Forty-three World Health Organization (WHO) grade II/III gliomas (39 IDH-mutant [mut], 4 IDH-wildtype [wt]) and 14 IDH-mut glioblastomas (GBM) were analyzed for TIL (CD3+; PD1+) infiltration and PD-L1 expression. Results were compared with the data of a previously published series of 117 IDH-wt glioblastomas. PD-L1 gene expression levels were evaluated in 677 diffuse gliomas grades II-IV from The Cancer Genome Atlas (TCGA) database...
May 20, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28531216/impact-of-mutations-in-toll-like-receptor-pathway-genes-on-esophageal-carcinogenesis
#5
Daffolyn Rachael Fels Elliott, Juliane Perner, Xiaodun Li, Martyn F Symmons, Brett Verstak, Matthew Eldridge, Lawrence Bower, Maria O'Donovan, Nick J Gay, Rebecca C Fitzgerald
Esophageal adenocarcinoma (EAC) develops in an inflammatory microenvironment with reduced microbial diversity, but mechanisms for these influences remain poorly characterized. We hypothesized that mutations targeting the Toll-like receptor (TLR) pathway could disrupt innate immune signaling and promote a microenvironment that favors tumorigenesis. Through interrogating whole genome sequencing data from 171 EAC patients, we showed that non-synonymous mutations collectively affect the TLR pathway in 25/171 (14...
May 22, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28531108/regulation-of-metabolic-activity-by-p53
#6
REVIEW
Jessica Flöter, Irem Kaymak, Almut Schulze
Metabolic reprogramming in cancer cells is controlled by the activation of multiple oncogenic signalling pathways in order to promote macromolecule biosynthesis during rapid proliferation. Cancer cells also need to adapt their metabolism to survive and multiply under the metabolically compromised conditions provided by the tumour microenvironment. The tumour suppressor p53 interacts with the metabolic network at multiple nodes, mostly to reduce anabolic metabolism and promote preservation of cellular energy under conditions of nutrient restriction...
May 20, 2017: Metabolites
https://www.readbyqxmd.com/read/28530743/multicellular-tumor-invasion-and-plasticity-in-biomimetic-materials
#7
Susan E Leggett, Amanda S Khoo, Ian Y Wong
Cancer cell invasion through the extracellular matrix is associated with metastatic spread and therapeutic resistance. In carcinomas, the detachment and dissemination of individual cells has been associated with an epithelial-mesenchymal transition, but tumors can also invade using collective, multicellular phenotypes. This malignant tumor progression is also associated with alignment and stiffening of the surrounding extracellular matrix. Historically, tumor invasion has been investigated using 2D monolayer culture, small animal models or patient histology...
May 22, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28530543/using-properties-of-tumor-microenvironments-for-controlling-local-on-demand-delivery-from-biopolymer-based-nanocarriers
#8
Abdullah K Alshememry, Suleiman S El-Tokhy, Larry D Unsworth
BACKGROUND: The 'tumor microenvironment' comprised of tumor cells, non-malignant stromal tissues, signaling molecules and the extracellular matrix. Tumor microenvironment has unique physical and physiological characteristics including vascular abnormalities, hypoxia, acidic pH, specific enzymes and growth factors upregulation and high reducing potential. It is these endogenous properties of the tumor environment that can be used to trigger the release of cancer therapeutics both locally and as a function of disease state...
May 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28530147/exposing-the-tumor-microenvironment-how-gold-nanoparticles-enhance-and-refine-drug-delivery
#9
Lawrence Tamarkin, David G I Kingston
No abstract text is available yet for this article.
June 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28529947/immune-checkpoint-blockade-for-hematologic-malignancies-a-review
#10
REVIEW
Matthew J Pianko, Yuzhou Liu, Srishti Bagchi, Alexander M Lesokhin
Immune checkpoint blockade has revolutionized the treatment of cancer, with impressive responses seen in a broad variety of tumor types. Blockade of immune checkpoints and immune signaling antibodies has shown promise in multiple types of hematologic malignancies (HMs), with dramatic single agent responses for pembrolizumab and nivolumab in Hodgkin lymphoma (HL). In this review, we outline the current state of immune checkpoint blockade drug development in HMs, and discuss mechanisms of activity and resistance, and highlight potential targets in the immune tumor microenvironment (TME)...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28529939/naturally-engineered-maturation-of-cardiomyocytes
#11
REVIEW
Gaetano J Scuderi, Jonathan Butcher
Ischemic heart disease remains one of the most prominent causes of mortalities worldwide with heart transplantation being the gold-standard treatment option. However, due to the major limitations associated with heart transplants, such as an inadequate supply and heart rejection, there remains a significant clinical need for a viable cardiac regenerative therapy to restore native myocardial function. Over the course of the previous several decades, researchers have made prominent advances in the field of cardiac regeneration with the creation of in vitro human pluripotent stem cell-derived cardiomyocyte tissue engineered constructs...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28529897/uncovering-the-immune-tumor-microenvironment-in-non-small-cell-lung-cancer-to-understand-response-rates-to-checkpoint-blockade-and-radiation
#12
REVIEW
Jonathan E Schoenhals, Steven N Seyedin, Clark Anderson, Eric D Brooks, Yun R Li, Ahmed I Younes, Sharareh Niknam, Ailin Li, Hampartsoum B Barsoumian, Maria Angelica Cortez, James W Welsh
The study of immunology has led to breakthroughs in treating non-small cell lung cancer (NSCLC). The recent approval of an anti-PD1 checkpoint drug for NSCLC has generated much interest in novel combination therapies that might provide further benefit for patients. However, a better understanding of which combinations may (or may not) work in NSCLC requires understanding the lung immune microenvironment under homeostatic conditions and the changes in that microenvironment in the setting of cancer progression and with radiotherapy...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28529637/role-of-the-cxcl8-cxcr1-2-axis-in-cancer-and-inflammatory-diseases
#13
REVIEW
Helen Ha, Bikash Debnath, Nouri Neamati
The chemokine receptors CXCR1/2 and their ligand CXCL8 are essential for the activation and trafficking of inflammatory mediators as well as tumor progression and metastasis. The CXCL8-CXCR1/2 signaling axis is involved in the pathogenesis of several diseases including chronic obstructive pulmonary diseases (COPD), asthma, cystic fibrosis and cancer. Interaction between CXCL8 secreted by select cancer cells and CXCR1/2 in the tumor microenvironment is critical for cancer progression and metastasis. The CXCL8-CXCR1/2 axis may play an important role in tumor progression and metastasis by regulating cancer stem cell (CSC) proliferation and self-renewal...
2017: Theranostics
https://www.readbyqxmd.com/read/28529549/abiraterone-acetate-and-prednisone-in-chemotherapy-na%C3%A3-ve-prostate-cancer-patients-rationale-evidence-and-clinical-utility
#14
REVIEW
E David Crawford, Neal D Shore, Daniel P Petrylak, Celestia S Higano, Charles J Ryan
Abiraterone acetate 1000 mg/day, combined with prednisone 5 mg PO twice daily, is indicated for the treatment of metastatic castration-resistant prostate cancer (mCRPC). Abiraterone acetate is the oral prodrug of abiraterone, a specific CYP17 inhibitor that blocks androgen biosynthesis within the adrenal glands, testes and tumor microenvironment. In a phase III trial of men with asymptomatic or minimally symptomatic, chemotherapy-naïve mCRPC, treatment with oral abiraterone acetate plus prednisone led to a statistically significant improvement in the co-primary endpoints of overall survival and radiographic progression-free survival when compared with placebo plus prednisone...
May 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28529452/estradiol-suppresses-tlr4-triggered-apoptosis-of-decidual-stromal-cells-and-drives-an-anti-inflammatory-th2-shift-by-activating-sgk1
#15
Yiyun Lou, Minhao Hu, Qijing Wang, Mu Yuan, Ning Wang, Fang Le, Lejun Li, Shisi Huang, Liya Wang, Xiangrong Xu, Fan Jin
A pro-inflammatory cytokine profile at the feto-maternal interface may predispose immune maladaptation notably in early miscarriages. We investigated the involvement of estradiol (E2)-activated serum-glucocorticoid regulated kinase 1 (SGK1) in preserving the tolerogenic and pro-survival intrauterine microenvironment beneficial to gestation maintenance. Decidual SGK1 was down-regulated in early miscarriage, consistent with the lower serum E2 concentration seen in pregnancy loss. Lipopolysaccharide (LPS)/Toll-like receptors 4 (TLR4) signaling induced apoptosis and the pro-inflammatory T helper type (TH) 1 response of decidual stromal cells (DSCs) were associated with miscarriage...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28529105/psme3-induces-epithelial-mesenchymal-transition-with-inducing-the-expression-of-csc-markers-and-immunosuppression-in-breast-cancer
#16
Ziying Yi, Dejuan Yang, Xuelian Liao, Fuchun Guo, Yongsheng Wang, Xiaoyi Wang
Proteasome activator subunit 3 (PSME3) plays a key role in breast cancer by regulating the cell cycle. However, its role in other pathogenesis-related features of breast cancer is unclear. In this study, we found that overexpression of PSME3 induced the epithelial-mesenchymal transition and contributed to induce the expression of cancer stem cell markers of the MDA-MB-231 cell line, thus increasing the migration, and invasion of the cells. Moreover, overexpression of PSME3 reduced the chemotaxis of CD8(+) T cells and induced the apoptosis of T cells in vitro...
May 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28528673/acid-sensing-ion-channel-pharmacology-past-present-and-future-%C3%A2
#17
Lachlan D Rash
pH is one of the most strictly controlled parameters in mammalian physiology. An extracellular pH of ~7.4 is crucial for normal physiological processes, and perturbations to this have profound effects on cell function. Acidic microenvironments occur in many physiological and pathological conditions, including inflammation, bone remodeling, ischemia, trauma, and intense synaptic activity. Cells exposed to these conditions respond in different ways, from tumor cells that thrive to neurons that are either suppressed or hyperactivated, often fatally...
2017: Advances in Pharmacology
https://www.readbyqxmd.com/read/28527911/cancer-stem-cells-at-the-forefront-of-personalized-medicine-and-immunotherapy
#18
REVIEW
Micol E Fiori, Lidia Villanova, Ruggero De Maria
Cancer stem cells (CSCs) represent the main target of the current efforts to eradicate cancer, because of their ability to promote metastatic dissemination and survive cytotoxic therapies. Here, we highlight the potential of patient-derived CSCs as an in vitro and in vivo pre-clinical model and of liquid biopsy as a diagnostic, prognostic and predictive tool. We discuss recently developed therapeutic strategies aiming at specifically targeting the cancer stem cell population, particularly focusing on the latest advances in cancer immunotherapy...
May 18, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28527894/hfe-genotype-affects-exosome-phenotype-in-cancer
#19
Oliver D Mrowczynski, A B Madhankumar, Becky Slagle-Webb, Sang Y Lee, Brad E Zacharia, James R Connor
Neuroblastoma is the third most common childhood cancer, and timely diagnosis and sensitive therapeutic monitoring remain major challenges. Tumor progression and recurrence is common with little understanding of mechanisms. A major recent focus in cancer biology is the impact of exosomes on metastatic behavior and the tumor microenvironment. Exosomes have been demonstrated to contribute to the oncogenic effect on the surrounding tumor environment and also mediate resistance to therapy. The effect of genotype on exosomal phenotype has not yet been explored...
May 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28527581/nuclear-receptors-in-skeletal-homeostasis
#20
Hao Zuo, Yihong Wan
Nuclear receptors are a family of transcription factors that can be activated by lipophilic ligands. They are fundamental regulators of development, reproduction, and energy metabolism. In bone, nuclear receptors enable bone cells, including osteoblasts, osteoclasts, and osteocytes, to sense their dynamic microenvironment and maintain normal bone development and remodeling. Our views of the molecular mechanisms in this process have advanced greatly in the past decade. Drugs targeting nuclear receptors are widely used in the clinic for treating patients with bone disorders such as osteoporosis by modulating bone formation and resorption rates...
2017: Current Topics in Developmental Biology
keyword
keyword
37716
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"