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https://www.readbyqxmd.com/read/29331266/human-papilloma-virus-specific-t-cells-can-be-generated-from-na%C3%A3-ve-t-cells-for-use-as-an-immunotherapeutic-strategy-for-immunocompromised-patients
#1
Sarah E McCormack, Conrad Russell Y Cruz, Kaylor E Wright, Allison B Powell, Haili Lang, Cornelia Trimble, Michael D Keller, Ephraim Fuchs, Catherine M Bollard
Human papilloma virus (HPV) is a known cause of cervical cancer, squamous cell carcinoma and laryngeal cancer. Although treatments exist for HPV-associated malignancies, patients unresponsive to these therapies have a poor prognosis. Recent findings from vaccine studies suggest that T-cell immunity is essential for disease control. Because Epstein-Barr Virus (EBV)-specific T cells have been highly successful in treating or preventing EBV-associated tumors, we hypothesized that the development of a manufacturing platform for HPV-specific T cells from healthy donors could be used in a third-party setting to treat patients with high-risk/relapsed HPV-associated cancers...
January 10, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29330806/fluorescence-activated-cell-sorting-of-murine-mammary-cancer-stem-like-cell-subpopulations-with-hif-activity
#2
Danielle L Brooks, Tiffany N Seagroves
Fluorescence-activated cell sorting (FACS) is a common method to identify and to isolate subpopulations within a complex mixture of cells based on their light scatter and fluorescent staining profiles. FACS is widely used to enrich for normal tissue and tumor cells that have stem cell potential. Whereas FACS protocols using conventional breast cancer cell lines are relatively routine, additional technical challenges are encountered when sorting for cell populations from freshly digested solid tumors, particularly for use in downstream cancer stem cell (CSC) assays...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29329556/cancer-immunotherapy-beyond-immune-checkpoint-inhibitors
#3
REVIEW
Julian A Marin-Acevedo, Aixa E Soyano, Bhagirathbhai Dholaria, Keith L Knutson, Yanyan Lou
Malignant cells have the capacity to rapidly grow exponentially and spread in part by suppressing, evading, and exploiting the host immune system. Immunotherapy is a form of oncologic treatment directed towards enhancing the host immune system against cancer. In recent years, manipulation of immune checkpoints or pathways has emerged as an important and effective form of immunotherapy. Agents that target cytotoxic T lymphocyte-associated molecule-4 (CTLA-4), programmed cell death receptor-1 (PD-1), and programmed cell death ligand-1 (PD-L1) are the most widely studied and recognized...
January 12, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29329113/therapeutic-hiv-1-vaccine-time-for-immunomodulation-and-combinatorial-strategies
#4
Nabila Seddiki, Yves Lévy
PURPOSE OF REVIEW: The purpose is to recall some of the key immunological elements that are at the crossroad and need to be combined for developing a potent therapeutic HIV-1 vaccine. RECENT FINDINGS: Therapeutic vaccines and cytokines have been commonly used to enhance and/or recall preexisting HIV-1 specific cell-mediated immune responses aiming to suppress virus replication. While the vaccine is important to stimulate HIV-1 specific T-cell responses, the cytokine may support the expansion of the stimulated virus-specific T cells...
January 10, 2018: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29329079/the-interactome-of-ebv-lmp1-evaluated-by-proximity-based-bioid-approach
#5
Mark A Rider, Mujeeb R Cheerathodi, Stephanie N Hurwitz, Dingani Nkosi, Lauren A Howell, Deanna C Tremblay, Xia Liu, Fanxiu Zhu, David G Meckes
Epstein-Barr virus LMP1 is an oncoprotein required for immortalizing B lymphocytes and also plays important roles in transforming non-lymphoid tissue. The discovery of LMP1 protein interactions will likely generate targets to treat EBV-associated cancers. Here, we define the broader LMP1 interactome using the recently developed BioID method. Combined with mass spectrometry, we identified over 1000 proteins across seven independent experiments with direct or indirect relationships to LMP1. Pathway analysis suggests that a significant number of the proteins identified are involved in signal transduction and protein or vesicle trafficking...
January 9, 2018: Virology
https://www.readbyqxmd.com/read/29328785/immune-responses-in-the-liver
#6
Paul Kubes, Craig Jenne
The liver is a key, frontline immune tissue. Ideally positioned to detect pathogens entering the body via the gut, the liver appears designed to detect, capture, and clear bacteria, viruses, and macromolecules. Containing the largest collection of phagocytic cells in the body, this organ is an important barrier between us and the outside world. Importantly, as portal blood also transports a large number of foreign but harmless molecules (e.g., food antigens), the liver's default immune status is anti-inflammatory or immunotolerant; however, under appropriate conditions, the liver is able to mount a rapid and robust immune response...
January 12, 2018: Annual Review of Immunology
https://www.readbyqxmd.com/read/29328432/a-double-edged-function-of-ddx3-as-an-oncogene-or-tumor-suppressor-in-cancer-progression-review
#7
Yu He, Dan Zhang, Yanfang Yang, Xixi Wang, Xinyu Zhao, Peng Zhang, Hongxia Zhu, Ningzhi Xu, Shufang Liang
DEAD-box RNA helicase 3 (DDX3) is a highly conserved family member of DEAD-box proteins in all eukaryotes from yeasts to human beings. Accumulating studies have confirmed DDX3 has the ability to regulate different steps of RNA metabolism, including RNA splicing, RNA export, transcription and translation initiation. Moreover, DDX3 is involved in many biological processes, such as stress response, cell apoptosis, cell cycle regulation and virus infection. In recent years, DDX3 is getting increasing attention due to its essential roles in cancer progression...
January 9, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328411/dna-methylation-enzyme-inhibitor-rg108-suppresses-the-radioresistance-of-esophageal-cancer
#8
Yao Ou, Quan Zhang, Yiting Tang, Zhonghua Lu, Xujing Lu, Xifa Zhou, Changmin Liu
Esophageal cancer (EC) is the eighth most common highly aggressive cancer worldwide. The purpose of this study was to investigate the effect of the DNA methyltransferase inhibitor RG108 on the radiosensitivity of EC cells. MTT and clonogenic assays were performed to assess the effect of RG108 on the proliferation and radiosensitivity of Eca‑109 and TE‑1 human EC cells. The cell cycle progression and alterations in apoptosis were analyzed by flow cytometry. For the in vivo analysis, the Eca‑109 cells were inoculated into nude mice to establish tumors...
January 11, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29327347/unique-anti-myeloma-activity-by-thiazolidine-2-4-dione-compounds-with-pim-inhibiting-activity
#9
Shiro Fujii, Shingen Nakamura, Asuka Oda, Hirokazu Miki, Hirofumi Tenshin, Jumpei Teramachi, Masahiro Hiasa, Ariunzaya Bat-Erdene, Yusaku Maeda, Masahiro Oura, Mamiko Takahashi, Masami Iwasa, Itsuro Endo, Sumiko Yoshida, Ken-Ichi Aihara, Kiyoe Kurahashi, Takeshi Harada, Kumiko Kagawa, Michiyasu Nakao, Shigeki Sano, Masahiro Abe
Proviral Integrations of Moloney virus 2 (PIM2) is overexpressed in multiple myeloma (MM) cells, and regarded as an important therapeutic target. Here, we aimed to validate the therapeutic efficacy of different types of PIM inhibitors against MM cells for their possible clinical application. Intriguingly, the thiazolidine-2,4-dione-family compounds SMI-16a and SMI-4a reduced PIM2 protein levels and impaired MM cell survival preferentially in acidic conditions, in contrast to other types of PIM inhibitors, including AZD1208, CX-6258 and PIM447...
January 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29327306/strengthening-the-case-for-gender-neutral-and-the-nonavalent-hpv-vaccine
#10
REVIEW
Justin M Hintze, James P O'Neill
PURPOSE: The purpose of this review is to highlight the benefits of gender-neutral and the nonavalent human papillomavirus vaccination. Human papillomavirus infection is the most commonly sexually transmitted disease and is known to cause several types of cancers, including cervical, vulvar, vaginal, penile, oropharyngeal, anal, and rectal. 5% of cancers every year are attributable to human papillomavirus infection, with cervical cancer the most common and oropharyngeal cancer estimated to surpass the incidence of cervical cancer by 2020...
January 11, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29327081/neutrophils-in-viral-infection
#11
REVIEW
Victor Naumenko, Madison Turk, Craig N Jenne, Seok-Joo Kim
Neutrophils are the first wave of recruited immune cells to sites of injury or infection and are crucial players in controlling bacterial and fungal infections. Although the role of neutrophils during bacterial or fungal infections is well understood, their impact on antiviral immunity is much less studied. Furthermore, neutrophil function in tumor pathogenesis and cancer treatment has recently received much attention, particularly within the context of oncolytic virus infection where neutrophils produce antitumor cytokines and enhance oncolysis...
January 11, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29326986/measles-virus-background-and-oncolytic-virotherapy
#12
REVIEW
Sankhajit Bhattacharjee, Pramod Kumar Yadava
Measles is a highly transmissible disease caused by measles virus and remains a major cause of child mortality in developing countries. Measles virus nucleoprotein (N) encapsidates the RNA genome of the virus for providing protection from host cell endonucleases and for specific recognition of viral RNA as template for transcription and replication. This protein is over-expressed at the time of viral replication. The C-terminal of N protein is intrinsically disordered, which enables this protein to interact with several host cell proteins...
March 2018: Biochemistry and Biophysics Reports
https://www.readbyqxmd.com/read/29326437/insertional-mutagenesis-in-a-her2-positive-breast-cancer-model-reveals-eras-as-a-driver-of-cancer-and-therapy-resistance
#13
Gerjon J Ikink, Mandy Boer, Elvira R M Bakker, Annabel Vendel-Zwaagstra, Chris Klijn, Jelle Ten Hoeve, Jos Jonkers, Lodewyk F Wessels, John Hilkens
Personalized medicine for cancer patients requires a deep understanding of the underlying genetics that drive cancer and the subsequent identification of predictive biomarkers. To discover new genes and pathways contributing to oncogenesis and therapy resistance in HER2+ breast cancer, we performed Mouse Mammary Tumor Virus (MMTV)-induced insertional mutagenesis screens in ErbB2/cNeu-transgenic mouse models. The screens revealed 34 common integration sites (CIS) in mammary tumors of MMTV-infected mice, highlighting loci with multiple independent MMTV integrations in which potential oncogenes are activated, most of which had never been reported as MMTV CIS...
January 12, 2018: Oncogene
https://www.readbyqxmd.com/read/29326299/targeting-mutant-kras-with-crispr-cas9-controls-tumor-growth
#14
Hyongbum Henry Kim, Wonjoo Kim, Sangeun Lee, Han Sang Kim, Minjung Song, Yong Hoon Cha, Young-Hoon Kim, Jeonghong Shin, Eun-Seo Lee, Yeonsoo Joo, Jae J Song, Eun Ju Choi, Jae W Choi, Jinu Lee, Moonkyung Kang, Jong In Yook, Min Goo Lee, Yeon-Soo Kim, Soonmyung Paik
KRAS is the most frequently mutated oncogene in human tumors and its activating mutations represents important therapeutic targets. The combination of Cas9 and guide RNA from the CRISPR-Cas system recognizes a specific DNA sequence and makes a double-strand break, which enables editing of the relevant genes. Here we harnessed CRISPR to specifically target mutant KRAS alleles in cancer cells. We screened guide RNAs using a reporter system and validated them in cancer cells after lentiviral delivery of Cas9 and guide RNA...
January 11, 2018: Genome Research
https://www.readbyqxmd.com/read/29325854/considerations-in-the-diagnosis-of-oral-hairy-leukoplakia-an-institutional-experience
#15
Andres Flores-Hidalgo, Si On Lim, Alice E Curran, Ricardo J Padilla, Valerie Murrah
OBJECTIVE: We report here the 10-year experience with oral hairy leukoplakia (OHL) at the Division of Oral and Maxillofacial Pathology at the University of North Carolina at Chapel Hill, NC, USA. STUDY DESIGN: All the associated hematoxylin and eosin and Epstein-Barr virus encoding region in situ hybridization slides of OHL cases between January 1, 2008, and February 1, 2017, were retrieved and reviewed. Collected demographic characteristics, clinical presentation, medical and social histories were reviewed and reported...
November 15, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29325248/-survival-of-patients-with-primary-central-nervous-system-diffuse-large-b-cell-lymphoma-impact-of-gene-aberrations-and-protein-overexpression-of-bcl-2-and-c-myc-and-selection-of-chemotherapy-regimens
#16
W J Yin, X Zhu, H Y Yang, W Y Sun, M J Wu
Objective: To investigate the impact of clinicopathological features, gene rearrangements and protein expression of bcl-6, bcl-2, C-MYC and chemotherapy regime on the prognosis of patients with primary central nervous system diffuse large B-cell lymphoma (PCNS-DLBCL). Methods: Thirty-three cases of PCNS-DLBCL diagnosed from January 2006 to December 2016 at Zhejiang Cancer Hospital were collected. The expression of CD10, bcl-6, bcl-2, MUM1 and MYC were detected by immunohistochemical staining (IHC). The presence of EB virus was detected by in situ hybridization(EBER)...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29325033/cancer-risk-in-older-people-living-with-human-immunodeficiency-virus-infection-in-the-united-states
#17
Parag Mahale, Eric A Engels, Anna E Coghill, Amy R Kahn, Meredith S Shiels
Background: Cancer risk is increased in people living with HIV (PLWH). Improved survival has led to an aging of PLWH. We evaluated the cancer risk in older PLWH (age ≥50 years). Methods: We included data from the HIV/AIDS Cancer Match Study (1996-2012) and evaluated risk of Kaposi sarcoma (KS), non-Hodgkin lymphoma (NHL), Hodgkin lymphoma, and cervical, anal, lung, liver, oral cavity/pharyngeal, breast, prostate, and colon cancers in older PLWH compared to the general population by calculating the standardized incidence ratios (SIRs) and excess absolute risks (EARs)...
January 8, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29324904/prohibitin-plays-a-critical-role-in-enterovirus-71-neuropathogenesis
#18
Issac Horng Khit Too, Isabelle Bonne, Eng Lee Tan, Justin Jang Hann Chu, Sylvie Alonso
A close relative of poliovirus, enterovirus 71 (EV71) is regarded as an important neurotropic virus of serious public health concern. EV71 causes Hand, Foot and Mouth Disease and has been associated with neurological complications in young children. Our limited understanding of the mechanisms involved in its neuropathogenesis has hampered the development of effective therapeutic options. Here, using a two-dimensional proteomics approach combined with mass spectrometry, we have identified a unique panel of host proteins that were differentially and dynamically modulated during EV71 infection of motor-neuron NSC-34 cells, which are found at the neuromuscular junctions where EV71 is believed to enter the central nervous system...
January 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29324227/getting-the-kill-into-shock-and-kill-strategies-to-eliminate-latent-hiv
#19
REVIEW
Youry Kim, Jenny L Anderson, Sharon R Lewin
Despite the success of antiretroviral therapy (ART), there is currently no HIV cure and treatment is life long. HIV persists during ART due to long-lived and proliferating latently infected CD4+ T cells. One strategy to eliminate latency is to activate virus production using latency reversing agents (LRAs) with the goal of triggering cell death through virus-induced cytolysis or immune-mediated clearance. However, multiple studies have demonstrated that activation of viral transcription alone is insufficient to induce cell death and some LRAs may counteract cell death by promoting cell survival...
January 10, 2018: Cell Host & Microbe
https://www.readbyqxmd.com/read/29322686/human-papilloma-virus-an-etiological-and-prognostic-factor-for-oral-cancer
#20
REVIEW
Gloria I Lafaurie, Sandra J Perdomo, María R Buenahora, Sandra Amaya, David Díaz-Báez
The increasing prevalence of human papilloma virus (HPV)-positive oral tumors can be considered an epidemic. Although the incidence of HPV cervical cancer is decreasing, the incidence of oral cavity and oropharyngeal cancers associated with HPV is increasing. The presence of certain HPV genotypes could be a predictor of future oral cancer lesions, although lesions associated with HPV could be less aggressive and exhibit a higher survival rate. In the present study, we review the most important biologic, clinic, epidemiologic, and prognostic factors associated with HPV infection and oral cancer...
January 10, 2018: Journal of Investigative and Clinical Dentistry
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