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https://www.readbyqxmd.com/read/28933579/innate-immune-cells-for-immunotherapy-of-autoimmune-and-cancer-disorders
#1
Carolina Schäfer, Gabriel Ascui, Carolina H Ribeiro, Mercedes López, Rafael Prados-Rosales, Pablo A González, Susan M Bueno, Claudia A Riedel, Andrés Baena, Alexis M Kalergis, Leandro J Carreño
Modulation of the immune system has been widely targeted for the treatment of several immune-related diseases, such as autoimmune disorders and cancer, due to its crucial role in these pathologies. Current available therapies focus mainly on symptomatic treatment and are often associated with undesirable secondary effects. For several years, remission of disease and subsequently recovery of immune homeostasis has been a major goal for immunotherapy. Most current immunotherapeutic strategies are aimed to inhibit or potentiate directly the adaptive immune response by modulating antibody production and B cell memory, as well as the effector potential and memory of T cells...
September 21, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28932769/microrna-expression-in-a-phosphaturic-mesenchymal-tumour
#2
Darrell Green, Irina Mohorianu, Isabelle Piec, Jeremy Turner, Clare Beadsmoore, Andoni Toms, Richard Ball, John Nolan, Iain McNamara, Tamas Dalmay, William D Fraser
Phosphaturic mesenchymal tumours are a heterogeneous set of bone and soft tissue neoplasms that can cause a number of paraneoplastic syndromes such as tumour induced osteomalacia. The term phosphaturic comes from the common finding that these tumours secrete high levels of fibroblast growth factor 23 which causes renal phosphate wasting leading to hypophosphatemia. Phosphaturic mesenchymal tumours are rare and diagnosis is difficult. A very active 68 year old male presented with bone pain and muscle weakness...
December 2017: Bone Reports
https://www.readbyqxmd.com/read/28931650/epigenetic-inactivation-of-tumour-suppressor-coding-and-non-coding-genes-in-human-cancer-an-update
#3
REVIEW
Pere Llinàs-Arias, Manel Esteller
Cancer cells undergo many different alterations during their transformation, including genetic and epigenetic events. The controlled division of healthy cells can be impaired through the downregulation of tumour suppressor genes. Here, we provide an update of the mechanisms in which epigenetically altered coding and non-coding tumour suppressor genes are implicated. We will highlight the importance of epigenetics in the different molecular pathways that lead to enhanced and unlimited capacity of division, genomic instability, metabolic shift, acquisition of mesenchymal features that lead to metastasis, and tumour plasticity...
September 2017: Open Biology
https://www.readbyqxmd.com/read/28931648/targeting-epithelial-mesenchymal-plasticity-in-cancer-clinical-and-preclinical-advances-in-therapy-and-monitoring
#4
REVIEW
Sugandha Bhatia, James Monkman, Alan Kie Leong Toh, Shivashankar H Nagaraj, Erik W Thompson
The concept of epithelial-mesenchymal plasticity (EMP), which describes the dynamic flux within the spectrum of phenotypic states that invasive carcinoma cells may reside, is being increasingly recognised for its role in cancer progression and therapy resistance. The myriad of events that are able to induce EMP, as well as the more recently characterised control loops, results in dynamic transitions of cancerous epithelial cells to more mesenchymal-like phenotypes through an epithelial-mesenchymal transition (EMT), as well as the reverse transition from mesenchymal phenotypes to an epithelial one...
September 20, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28930782/determining-the-false-negative-rate-using-fluorescence-image-assisted-sentinel-lymph-node-biopsy-in-cutaneous-melanoma
#5
Rafael A Couto, Gregory A Lamaris, Rebecca Knackstedt, Brendan Alleyne, Paul Durand, Steven Rueda, Brian Gastman
INTRODUCTION: Despite the advances in cutaneous melanoma management, the false-negative rates (FNRs) of sentinel lymph node biopsy (SLNB) are still high. These rates are dependent not only on the technique but also on definitional terms and percentage of head/neck melanoma (highest false-negative SLNB). Fluorescence imaging technology is well acquainted in plastic surgery and other specialties. Having demonstrated that fluorescence-assisted SLNB is effective in melanoma, we are interested in determining its FNR...
September 19, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28928908/epithelial-plasticity-and-cancer-stem-cells-major-mechanisms-of-cancer-pathogenesis-and-therapy-resistance
#6
REVIEW
Minal Garg
Epithelial-mesenchymal transition (EMT) has been linked with aggressive tumor biology and therapy resistance. It plays central role not only in the generation of cancer stem cells (CSCs) but also direct them across the multiple organ systems to promote tumor recurrence and metastasis. CSCs are reported to express stem cell genes as well as specific cell surface markers and allow aberrant differentiation of progenies. It facilitates cancer cells to leave primary tumor, acquire migratory characteristics, grow into new environment and develop radio-chemo-resistance...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28920704/endothelial-to-mesenchymal-transition-a-potential-mechanism-for-atherosclerosis-plaque-progression-and-destabilization
#7
Afang Li, Wenxi Peng, Xiaodan Xia, Rongqing Li, Yu Wang, Dangheng Wei
Endothelial-to-mesenchymal transition (EndMT) is a cellular reprogramming mechanism by which endothelial cells acquire a mesenchymal phenotype. EndMT is associated with fibroproliferative diseases, such as cancer progression and metastasis and cardiac and kidney fibrosis, and this condition has been extensively investigated over the past decade. Recently, studies showed that EndMT contributes to the initiation and progression of atherosclerotic lesion and plaque destabilization. Unstable atherosclerotic plaque rupture and subsequent thrombosis are the main pathological causes of acute cardiovascular events...
September 18, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28919163/multiplex-pcr-and-ngs-based-identification-of-mrna-splicing-variants-analysis-of-brca1-splicing-pattern-as-a-model
#8
Jan Hojny, Petra Zemankova, Filip Lhota, Jan Sevcik, Viktor Stranecky, Hana Hartmannova, Katerina Hodanova, Ondrej Mestak, David Pavlista, Marketa Janatova, Jana Soukupova, Michal Vocka, Zdenek Kleibl, Petra Kleiblova
Alternative pre-mRNA splicing increases transcriptome plasticity by forming naturally-occurring alternative splicing variants (ASVs). Alterations of splicing processes, caused by DNA mutations, result in aberrant splicing and the formation of aberrant mRNA isoforms. Analyses of hereditary cancer predisposition genes reveal many DNA variants with unknown clinical significance (VUS) that potentially affect pre-mRNA splicing. Therefore, a comprehensive description of ASVs is an essential prerequisite for the interpretation of germline VUS in high-risk individuals...
September 14, 2017: Gene
https://www.readbyqxmd.com/read/28919019/epithelial-to-mesenchymal-transition-epigenetic-reprogramming-driving-cellular-plasticity
#9
REVIEW
Nicolas Skrypek, Steven Goossens, Eva De Smedt, Niels Vandamme, Geert Berx
Epithelial-to-mesenchymal transition (EMT) is a process in which epithelial cells lose their junctions and polarity to gain a motile mesenchymal phenotype. EMT is essential during embryogenesis and adult physiological processes like wound healing, but is aberrantly activated in pathological conditions like fibrosis and cancer. A series of transcription factors (EMT-inducing transcription factor; EMT-TF) regulate the induction of EMT by repressing the transcription of epithelial genes while activating mesenchymal genes through mechanisms still debated...
September 14, 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28915600/tumor-vasculogenic-mimicry-formation-as-an-unfavorable-prognostic-indicator-in-patients-with-breast-cancer
#10
Yanwei Shen, Jianfeng Quan, Mengying Wang, Shuting Li, Jiao Yang, Meng Lv, Zheling Chen, Lingxiao Zhang, Xiaoai Zhao, Jin Yang
Vasculogenic mimicry (VM), a newly defined pattern of tumor blood perfusion, describes the functional plasticity of aggressive tumor cells forming de novo vascular networks and is associated with the cancer progression and metastasis. However, the VM-positive rate and the impact of VM status on breast cancer patients' clinicopathological parameters and prognosis remain unclear. Thus, we performed a meta-analysis by incorporating all available evidence to clarify these issues. Eight studies that involved 1,238 breast cancer patients were eligible for inclusion in our study...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28913566/adar-rna-editing-in-human-disease-more-to-it-than-meets-the-i
#11
REVIEW
Angela Gallo, Dragana Vukic, David Michalík, Mary A O'Connell, Liam P Keegan
We review the structures and functions of ADARs and their involvements in human diseases. ADAR1 is widely expressed, particularly in the myeloid component of the blood system, and plays a prominent role in promiscuous editing of long dsRNA. Missense mutations that change ADAR1 residues and reduce RNA editing activity cause Aicardi-Goutières Syndrome, a childhood encephalitis and interferonopathy that mimics viral infection and resembles an extreme form of Systemic Lupus Erythmatosus (SLE). In Adar1 mouse mutant models aberrant interferon expression is prevented by eliminating interferon activation signaling from cytoplasmic dsRNA sensors, indicating that unedited cytoplasmic dsRNA drives the immune induction...
September 14, 2017: Human Genetics
https://www.readbyqxmd.com/read/28913323/cutaneous-basal-cell-carcinoma-arising-in-odontogenic-cutaneous-fistula
#12
Nam Gyun Kim, Jun Oh Kim, Young Ji Park, Jun Sik Kim, Yoon Jung Lee, Kyung Suk Lee
An odontogenic cutaneous fistula is a pathological communication between the outer skin surface of the face and the oral cavity. Facial cutaneous fistula is a complication of odontogenic infection that is often misdiagnosed with skin infection. We report a rare case, which was diagnosed as basal cell carcinoma based on the biopsy of skin lesions in the patient who had been diagnosed with odontogenic cutaneous fistula. A 64-year-old male patient presented with a cutaneous odontogenic fistula. The patient had undergone surgical extraction of fistula tract and loose tooth before dermatology or plastic surgery consultation...
June 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912781/microrna-dynamic-regulators-of-macrophage-polarization-and-plasticity
#13
REVIEW
Jezrom Bokcaerin Self-Fordham, Afsar Raza Naqvi, Juhi Raju Uttamani, Varun Kulkarni, Salvador Nares
The ability of a healthy immune system to clear the plethora of antigens it encounters incessantly relies on the enormous plasticity displayed by the comprising cell types. Macrophages (MΦs) are crucial member of the mononuclear phagocyte system (MPS) that constantly patrol the peripheral tissues and are actively recruited to the sites of injury and infection. In tissues, infiltrating monocytes replenish MΦ. Under the guidance of the local micro-milieu, MΦ can be activated to acquire specialized functional phenotypes...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28911825/paving-the-rho-in-cancer-metastasis-rho-gtpases-and-beyond
#14
REVIEW
Sepp Jansen, Reinoud Gosens, Thomas Wieland, Martina Schmidt
Malignant carcinomas are often characterized by metastasis, the movement of carcinoma cells from a primary site to colonize distant organs. For metastasis to occur, carcinoma cells first must adopt a pro-migratory phenotype and move through the surrounding stroma towards a blood or lymphatic vessel. Currently, there are very limited possibilities to target these processes therapeutically. The family of Rho GTPases is an ubiquitously expressed division of GTP-binding proteins involved in the regulation of cytoskeletal dynamics and intracellular signaling...
September 11, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28910138/hsp90-inhibition-and-cellular-stress-elicits-phenotypic-plasticity-in-hematopoietic-differentiation
#15
Abdalla A Lawag, Jennifer M Napper, Caroline A Hunter, Nickolas A Bacon, Seth Deskins, Manaf El-Hamdani, Sarah-Leigh Govender, Emine C Koc, Vincent E Sollars
Cancer cells exist in a state of Darwinian selection using mechanisms that produce changes in gene expression through genetic and epigenetic alteration to facilitate their survival. Cellular plasticity, or the ability to alter cellular phenotype, can assist in survival of premalignant cells as they progress to full malignancy by providing another mechanism of adaptation. The connection between cellular stress and the progression of cancer has been established, although the details of the mechanisms have yet to be fully elucidated...
September 14, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/28906360/plastic-wound-protectors-decreased-surgical-site-infections-following-laparoscopic-assisted-colectomy-for-colorectal-cancer-a-retrospective-cohort-study
#16
Yang Luo, Yi-Er Qiu, Yi-Fei Mu, Shao-Lan Qin, Yang Qi, Ming Zhong, Min-Hao Yu, Li-Ying Ma
Laparoscopic surgery is widespread and safe for the management of patients with colorectal cancer (CRC). Although the use of standard surgical techniques can prevent perioperative wound infections, surgical site infections (SSIs) remain an unresolved complication in laparoscopic-assisted colectomy. The present study investigated the ability of plastic wound protectors applied to the extraction incision during the externalized portion of the procedure to reduce the rate of infection in laparoscopic-assisted colectomy...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28904399/semaphorin-3%C3%A2-c-drives-epithelial-to-mesenchymal-transition-invasiveness-and-stem-like-characteristics-in-prostate-cells
#17
Kevin J Tam, Daniel H F Hui, Wilson W Lee, Mingshu Dong, Tabitha Tombe, Ivy Z F Jiao, Shahram Khosravi, Ario Takeuchi, James W Peacock, Larissa Ivanova, Igor Moskalev, Martin E Gleave, Ralph Buttyan, Michael E Cox, Christopher J Ong
Prostate cancer (PCa) is among the most commonly-occurring cancers worldwide and a leader in cancer-related deaths. Local non-invasive PCa is highly treatable but limited treatment options exist for those with locally-advanced and metastatic forms of the disease underscoring the need to identify mechanisms mediating PCa progression. The semaphorins are a large grouping of membrane-associated or secreted signalling proteins whose normal roles reside in embryogenesis and neuronal development. In this context, semaphorins help establish chemotactic gradients and direct cell movement...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28904337/toxoplasma-modulates-signature-pathways-of-human-epilepsy-neurodegeneration-cancer
#18
Huân M Ngô, Ying Zhou, Hernan Lorenzi, Kai Wang, Taek-Kyun Kim, Yong Zhou, Kamal El Bissati, Ernest Mui, Laura Fraczek, Seesandra V Rajagopala, Craig W Roberts, Fiona L Henriquez, Alexandre Montpetit, Jenefer M Blackwell, Sarra E Jamieson, Kelsey Wheeler, Ian J Begeman, Carlos Naranjo-Galvis, Ney Alliey-Rodriguez, Roderick G Davis, Liliana Soroceanu, Charles Cobbs, Dennis A Steindler, Kenneth Boyer, A Gwendolyn Noble, Charles N Swisher, Peter T Heydemann, Peter Rabiah, Shawn Withers, Patricia Soteropoulos, Leroy Hood, Rima McLeod
One third of humans are infected lifelong with the brain-dwelling, protozoan parasite, Toxoplasma gondii. Approximately fifteen million of these have congenital toxoplasmosis. Although neurobehavioral disease is associated with seropositivity, causality is unproven. To better understand what this parasite does to human brains, we performed a comprehensive systems analysis of the infected brain: We identified susceptibility genes for congenital toxoplasmosis in our cohort of infected humans and found these genes are expressed in human brain...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28901479/interaction-with-neutrophils-promotes-gastric-cancer-cell-migration-and-invasion-by-inducing-epithelial-mesenchymal-transition
#19
Wen Zhang, Jianmei Gu, Jingyan Chen, Peng Zhang, Runbi Ji, Hui Qian, Wenrong Xu, Xu Zhang
Emerging evidence has revealed that neutrophils have phenotypic and functional plasticity. Neutrophils could be polarized towards a pro-tumor phenotype by tumor-derived factors. In the present study, we investigated the role of the interaction with neutrophils on the functions of gastric cancer cells in vitro. Human promyelocytic leukemia HL-60 cells were induced to differentiate into neutrophil-like cells (HL-60N) using dimethyl sulfoxide (DMSO). Human gastric cancer cells were co-cultured with HL-60N cells or treated with the conditioned medium (CM) of cancer-activated HL-60N cells...
September 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28900678/socs1-regulator-of-t-cells-in-autoimmunity-and-cancer
#20
Subburaj Ilangumaran, Diwakar Bobbala, Sheela Ramanathan
SOCS1 is a negative feedback regulator of cytokine and growth factor receptor signaling, and plays an indispensable role in attenuating interferon gamma signaling. Studies on SOCS1-deficient mice have established a crucial role for SOCS1 in regulating CD8(+) T cell homeostasis. In the thymus, SOCS1 prevents thymocytes that had failed positive selection from surviving and expanding, ensures negative selection and prevents inappropriate developmental skewing toward the CD8 lineage. In the periphery, SOCS1 not only controls production of T cell stimulatory cytokines but also attenuates the sensitivity of CD8(+) T cells to synergistic cytokine stimulation and antigen non-specific activation...
September 13, 2017: Current Topics in Microbiology and Immunology
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