The association between infection incidence and autoimmune diseases in breast cancer patients after anti-cancer treatment

Purpose: To evaluate the infection incidence in breast cancer patients whether they have a major autoimmune disease or not.Methods: This retrospective cohort study compared the infection incidence of 174 breast cancer patients with an autoimmune disease, including Sjogren's Syndrome (SS), Rheumatoid Arthritis (RA), and Systemic Lupus Erythematosus (SLE), along with 4429 patients without an autoimmune disease, for the period 2000 to 2016. Six-hundred and ninety six, age-, stage-, and diagnosis era-matched patients without any autoimmune disease were analyzed to eliminate the effects of these confounding factors may have on the results.Results: After adjusting for age, stage and diagnosis era, breast cancer patients with an autoimmune disease had a higher Infection Incidence Ratio (IRR: 2.62) than the patients without any autoimmune disease. In the univariate analysis, patients who had an autoimmune disease (p
Source: Journal of Cancer - Category: Cancer & Oncology Authors: Tags: Research Paper Source Type: research

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Cytosolic arginine sensor for mTORC1 subunits 1 and 2 (CASTOR1 and CASTOR2) inhibit the mammalian target of rapamycin complex 1 (mTORC1) upon arginine deprivation. mTORC1 regulates cell proliferation, survival, and metabolism and is often dysregulated in cancers, indicating that cancer cells may regulate CASTOR1 and CASTOR2 to control mTORC1 signaling and promote tumorigenesis. mTORC1 is the most effective therapeutic target of Kaposi sarcoma, which is caused by infection with the Kaposi sarcoma–associated herpesvirus (KSHV). Hence, KSHV-induced cellular transformation is a suitable model for investigating mTORC1 reg...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
The presence of tumor-infiltrating T cells is associated with favorable patient outcomes, yet most pancreatic cancers are immunologically silent and resistant to currently available immunotherapies. Here we show using a syngeneic orthotopic implantation model of pancreatic cancer that Pik3ca regulates tumor immunogenicity. Genetic silencing of Pik3ca in KrasG12D/Trp53R172H-driven pancreatic tumors resulted in infiltration of T cells, complete tumor regression, and 100% survival of immunocompetent host mice. By contrast, Pik3ca-null tumors implanted in T cell–deficient mice progressed and killed all of the animals. Ad...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
Glycosylation of immune receptors and ligands, such as T cell receptor and coinhibitory molecules, regulates immune signaling activation and immune surveillance. However, how oncogenic signaling initiates glycosylation of coinhibitory molecules to induce immunosuppression remains unclear. Here we show that IL-6–activated JAK1 phosphorylates programmed death-ligand 1 (PD-L1) Tyr112, which recruits the endoplasmic reticulum–associated N-glycosyltransferase STT3A to catalyze PD-L1 glycosylation and maintain PD-L1 stability. Targeting of IL-6 by IL-6 antibody induced synergistic T cell killing effects when combined...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
Programmed death-1 receptor ligand 1 (PD-L1) is a promising therapeutic target in aggressive cancers. However, immune landscapes and cancer hallmarks of human PD-L1+ tumors as well as their roles in determining therapeutic efficacies are unknown. Here, we showed, in detailed studies of gene data regarding 9769 patients of 32 types of human cancers, that PD-L1 could not exclusively represent the IFN-γ signature and potentially signified proinflammatory myeloid responses in a tumor. PD-L1 heterogeneity endowed by local immune landscapes controlled cancer hallmarks and clinical outcomes of patients. Mechanically, NF-&ka...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
Publication date: Available online 14 July 2019Source: Colloids and Surfaces A: Physicochemical and Engineering AspectsAuthor(s): Ying Wang, Jingwen Chen, Qianqian Han, Qiang Luo, Hongmei Zhang, Yanqing WangAbstractLentinan(LNT) has many kinds of pharmacological activities such as antioxidative activities, hypoglycemic effect, anti-hyperlipidemic effect and so on. Here, LNT was used as the skeleton material to couple with doxorubicin(DOX) by forming the LNT–DOX conjugates in order to enhance anticancer effects and reduce the systemic side effects of DOX. Based on the screening results, we observed that LNT can acted ...
Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Category: Chemistry Source Type: research
Abstract Brazil is a country of continental dimensions and most genetic services are concentrated in the Southeast and South, including the Medical Genetics Service of the Hospital de Cl ínicas de Porto Alegre (MGS/HCPA). As many areas on the country do not have adequate medical genetics support, networks were designed to extend the service of the MGS/HCPA reference center. This paper presents the information and diagnosis networks that have their headquarters at MGS/HCPA: SIAT (Na tional Information System on Teratogenic Agents), SIEM (Information Service on Inborn Errors of Metabolism), Alô Genética (...
Source: Genetics and Molecular Biology - Category: Genetics & Stem Cells Source Type: research
Abstract Germline mutations in BRCA1 and BRCA2 (BRCA) genes confer high risk of developing cancer, especially breast and ovarian tumors. Since the cloning of these tumor suppressor genes over two decades ago, a significant amount of research has been done. Most recently, monoallelic loss-of-function mutations in PALB2 have also been shown to increase the risk of breast cancer. The identification of BRCA1, BRCA2 and PALB2 as proteins involved in DNA double-strand break repair by homologous recombination and of the impact of complete loss of BRCA1 or BRCA2 within tumors have allowed the development of novel therapeutic appro...
Source: Genetics and Molecular Biology - Category: Genetics & Stem Cells Source Type: research
In this study, our aim was to compare the Gail and Tyrer-Cuzick models after initial screening for familial history of cancer in primary care using the FHS-7 questionnaire. We compared 846 unrelated women with at least one positive answer to any of the seven FHS-7 questions (positive group) and 892 unrelated women that answered negatively (negative group). Concordance between BC risk estimates was compared by Bland-Altman graphics. Mean BC risk estimates were higher using the Tyrer-Cuzick Model in women from the positive group, while women from the negative group had higher BC risk estimates using the Gail model. With incr...
Source: Genetics and Molecular Biology - Category: Genetics & Stem Cells Source Type: research
ABSTRACT Multiple sclerosis (MS) is an autoimmune, inflammatory, and degenerative disease of the central nervous system. Axonal degeneration is triggered by inflammation and is the pathological substrate of progressive disability in patients with MS. Therapeutic interventions can reduce inflammatory activity, thus delaying neurodegeneration and the progression of disability. Disease activity and neurodegeneration are assessed mainly through clinical evaluation and magnetic resonance imaging. These measures lack sensitivity and accuracy, so new biomarkers are necessary. Several markers have been studied and to date the most...
Source: Arquivos de Neuro-Psiquiatria - Category: Neurology Source Type: research
CONCLUSIONS: A total of 74.4% of colorectal cancers diagnosed before age 50 years are left sided. In light of recent changes to screening recommendations, distribution of disease in young patients is important to both provider and patient education and decision-making. See Video Abstract at http://links.lww.com/DCR/A966.
Source: Diseases of the Colon and Rectum - Category: Gastroenterology Tags: Original Contributions: Colorectal Cancer Source Type: research
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