Epitope Analysis of an Antihorse Podoplanin Monoclonal Antibody PMab-219.

In this study, a series of deletion mutants or point mutants of horPDPN were produced for analyzing the PMab-219 epitope using flow cytometry. The analysis of deletion mutants showed that N-terminus of PMab-219 epitope exists between 55th amino acid (aa) and 60th aa of horPDPN. Furthermore, the analysis of point mutants demonstrated that the critical epitope of PMab-219, which was developed by CBIS method, could include Val59, Arg61, Ser62, and Thr63 of horPDPN, indicating that PMab-219 epitope is independent of PLAG domain or PLD of horPDPN. PMID: 31638470 [PubMed - as supplied by publisher]
Source: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy - Category: Microbiology Tags: Monoclon Antib Immunodiagn Immunother Source Type: research

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In this study, deletion mutants or point mutants of pPDPN were produced for analyzing the PMab-210 epitope using flow cytometry. The analysis of deletion mutants showed that N-terminus of PMab-210 epitope exists between 45th amino acid (aa) and 50th aa of pPDPN. In addition, the analysis of point mutants demonstrated that the critical epitope of PMab-210 could include Glu47, Asp48, Tyr49, Thr50, and Val51 of pPDPN, indicating that PMab-210 epitope is located in PLAG3 domain of pPDPN. PMID: 31663836 [PubMed - as supplied by publisher]
Source: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy - Category: Microbiology Tags: Monoclon Antib Immunodiagn Immunother Source Type: research
AbstractPurpose of ReviewThe goal of this review paper is to provide a comprehensive overview of cholangiocarcinoma (CCA) including its classification, epidemiology, risk factors, surveillance, diagnosis, and treatment.Recent FindingsGuidelines recommend CCA surveillance in PSC patients with MRI/MRCP or ultrasound and CA 19-9 every 6 –12 months. Fluorescience in situ hybridization and next-generation sequencing improve the poor sensitivity of biliary brushings. Surgical resection with negative margins gives the best chance of survival, and liver transplantation is an option for patients with very early intrahepatic C...
Source: Current Hepatitis Reports - Category: Infectious Diseases Source Type: research
AbstractThe lysyl oxidases (LOXs) are a family of enzymes deputed to cross-link collagen and elastin, shaping the structure and strength of the extracellular matrix (ECM). However, many novel “non-canonical” functions, alternative substrates, and regulatory mechanisms have been described and are being continuously elucidated. The activity of LOXs, therefore, appears to be integrated into a complex network of signals regulating many cell functions, including survival/proliferation/di fferentiation. Among these signaling pathways, TGF-β and PI3K/Akt/mTOR, in particular, cross-talk extensively with each ...
Source: Cancer Immunology, Immunotherapy - Category: Cancer & Oncology Source Type: research
Abstract Immunotherapy is a promising approach to treating cancer. Mucin1 (MUC1), an epithelial glycoprotein, is hypo-glycosylated and overexpressed on epithelial cancers. This renders it a promising target for potential immunotherapeutic approaches. However, MUC1 has also been identified on T cells, which might complicate its potential as a target for immunotherapies. PMID: 31653412 [PubMed - as supplied by publisher]
Source: Trends in Immunology - Category: Allergy & Immunology Authors: Tags: Trends Immunol Source Type: research
ConclusionThese results demonstrate anti-tumor activity of PD-L1 inhibition in patients with relapsed thymoma accompanied by a high frequency of immune-related adverse events. Pre-treatment immune cell subset populations differ between responders and non-responders.Trial registrationClinicalTrials.gov -NCT01772004. Date of registration – January 21, 2013.
Source: Journal for Immunotherapy of Cancer - Category: Cancer & Oncology Source Type: research
CONCLUSION: In the last decade, promising biomarkers have been validated and lead to new therapeutic strategies with PARP inhibitors, immunotherapy and anti-angiogenic agents. Biomarkers such as BRCA, homologus recombination defect (HRD), immuno-markers (CD8, PD-1, PDL-1), KRAS and PR, are now used in clinical trials. Other: Assessment of genetic variants will soon represent the standard-of-care in gynecological cancers, not only to diagnose the disease but also to assist the prediction of clinical behavior of tumors and support personalized medicine to match patients with appropriate targeted therapies, improving treatmen...
Source: Current Drug Targets - Category: Drugs & Pharmacology Authors: Tags: Curr Drug Targets Source Type: research
Abstract The culture supernatant from macrophages overexpressing TRIM59 has a cytotoxic effect on melanoma, but the mechanism remains unclear. To investigate whether deletion of TRIM59 in macrophages affects the metastatic potential of melanoma cells, we polarized control and TRIM59-deficient bone marrow-derived macrophages to the M2 phenotype and collected the respective conditioned media (CM). Exposure to CM from TRIM59-/--M2 cultures significantly promoted migration and invasion by B16-F0 and B16-F10 cells. Cytokine profiling indicated a ~15-fold increase in TNF-α production in CM from TRIM59-/--M2 cultur...
Source: Aging - Category: Biomedical Science Authors: Tags: Aging (Albany NY) Source Type: research
ConclusionsThese results indicate the viability of TIL ACT for refractory ovarian cancer by allowing for the large expansion of anti-tumor TIL in a short time and consistent manner.
Source: Cancer Immunology, Immunotherapy - Category: Cancer & Oncology Source Type: research
In conclusion, our findings link the calcification of the vascular tissue with the expression of FGF23 in the vessels and with the elevation of circulating levels this hormone. Permanently Boosting Levels of Natural Killer Cells in Mice to Increase Cancer Resistance https://www.fightaging.org/archives/2019/09/permanently-boosting-levels-of-natural-killer-cells-in-mice-to-increase-cancer-resistance/ Researchers here demonstrate a very interesting approach to immunotherapy: they introduce engineered stem cells in mice that will give rise to additional natural killer T cells, boosting the capability of the ...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
AbstractIn most tumors, cancer cells show the ability to dynamically transit from a non-cancer stem-like cell to a cancer stem-like cell (CSC) state and vice versa. This cell plasticity has been associated with the epithelial-to-mesenchymal transition program (EMT) and can be regulated by tumor cell-intrinsic mechanisms and complex interactions with various tumor microenvironment (TME) components. These interactions favor the generation of a specific “CSC niche” that helps maintain the main properties, phenotypic plasticity and metastatic potential of this subset of tumor cells. For this reason, TME has been re...
Source: Cancer Microenvironment - Category: Cancer & Oncology Source Type: research
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