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Total 198 results found since Jan 2013.

Evaluation of Molecular-level Changes of Programmed Cell Death Ligand-1 after Radiation Therapy in a BALB/c CT26 Colorectal Mouse Tumor Model
In this study, female BALB/c mice inoculated with CT26 tumor cells were irradiated with 3 different RT regimens using the same BED of 40 gray (Gy). These included ablative RT (1*15 Gy), hypo-fractionated RT (2*10 Gy), and conventional (Hyper-fractionated) RT (10*3 Gy). PD-L1 expression was analyzed with immunohistochemical staining on days 2 and 20 and when the size of tumors had reached 2 cm2 after RT. All treated groups expressed PD-L1, but the group receiving single ablative high-dose RT showed higher expression compared to the other groups. No significant differences in PD-L1 expression were observed at different times...
Source: Iranian Journal of Allergy, Asthma and Immunology - July 27, 2023 Category: Allergy & Immunology Authors: Fateme Khani Chamani Mahdi Shabani Afshin Moradi Maedeh Alinejad Seyed Amir Jalali Source Type: research

From “Serum Sickness” to “Xenosialitis”: Past, Present, and Future Significance of the Non-human Sialic Acid Neu5Gc
Conclusions and Perspectives In this review, we have discussed important milestones from the early description of “Serum-sickness” as being due to antibodies directed against Neu5Gc epitopes all the way to the present-day therapeutic implications of these antibodies in cancer therapy. Some of these milestones have been represented in a concise timeline (Figure 6). While the “Xenosialitis” hypothesis is well-supported in the human-like mouse models, it has yet to be conclusively proven in humans. It remains to be seen if “Xenosialitis” plays a role in other uniquely-human dis...
Source: Frontiers in Immunology - April 16, 2019 Category: Allergy & Immunology Source Type: research

A Novel Human Microbe-Disease Association Prediction Method Based on the Bidirectional Weighted Network
Conclusion Human microbiome is normal flora for humans, which has been proved to be of symbiotic relationship with humans and harmless to humans. If the microbes that breed in the human body become “unhealthy,” it will definitely affect the host's physical condition. People are continuing to explore the pathologic relationship between microorganisms and the human body through high-throughput sequencing technologies and analysis systems. However, it is a pity that their pathogenesis cannot be fully understood as yet. Considering that relying only on conventional experimental methods is time-consumin...
Source: Frontiers in Microbiology - April 8, 2019 Category: Microbiology Source Type: research

Hypersensitivity reactions to folinic acid: mechanisms involved based on two case reports and a literature review
CONCLUSIONS: These two cases of anaphylaxis to FA document the clinical manifestations associated with two different mechanisms of HSR. This paper provided the opportunity to review the limited literature on HSR to FA. Through these cases, we hope to draw the practitioner's attention to FA as a potential agent of severe hypersensitivity, especially if symptoms remain after withdrawing the most suspected chemotherapeutic agents. We want also to stress the importance of allergy testing.PMID:36550565 | PMC:PMC9783773 | DOI:10.1186/s13223-022-00752-5
Source: Clinical Colorectal Cancer - December 22, 2022 Category: Cancer & Oncology Authors: Matve ï Apraxine Marc Van den Eynde Astrid De Cuyper Fran çoise Pirson Source Type: research

Tumor Suppressors-HTRA Proteases and Interleukin-12-in Pediatric Asthma and Allergic Rhinitis Patients.
Conclusion: Our results suggest that the HTRA1-3 and Il-12 levels might be useful in analyzing the pro- and antioncogenic potential in young atopic patients. PMID: 32560402 [PubMed - as supplied by publisher]
Source: Medicina (Kaunas) - June 16, 2020 Category: Universities & Medical Training Authors: Renke J, Wasilewska E, Kędzierska-Mieszkowska S, Zorena K, Barańska S, Wenta T, Liberek A, Siluk D, Żurawa-Janicka D, Szczepankiewicz A, Renke M, Lipińska B Tags: Medicina (Kaunas) Source Type: research

Allergies and risk of colorectal cancer: a systematic review and meta-analysis of observational studies.
Authors: Ye J, Talaiti A, Ma Y, Zhang Q, Ma L, Zheng H Abstract A history of allergy or allergic condition has been reported to be associated with reduced risk of some types of malignancies. However, the understanding of this association for colorectal cancer (CRC) is controversial. We conducted a meta-analysis of CRC risk in individuals who had history of allergy compared to those without the history of allergic condition. Pumbed and Embase databases were searched for relevant studies. The adjusted relative risk (RR) and 95% confidence interval (CI) were pooled using the random-effects model. Nine studies, includi...
Source: Oncotarget - January 15, 2017 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

A Bidirectional Label Propagation Based Computational Model for Potential Microbe-Disease Association Prediction
Discussion There are numerous microbial communities inhabited in the human body, which is critical to human health. The relationship between human microbiome and diseases received much attention from both medical and bioinformatics community recently. However, traditional methods to detect their association is costly and labor-intensive. Thus, we proposed here a new computational model called NBLPIHMDA to infer potential microbe-disease associations. NBLPIHMDA first combined known microbe-disease associations in HMDAD and the Gaussian interaction profile kernel similarity to construct disease similarity network and microb...
Source: Frontiers in Microbiology - April 8, 2019 Category: Microbiology Source Type: research

The Pivotal Role of Regulatory T Cells in the Regulation of Innate Immune Cells
This study was provided by the Canadian Institutes of Health Research and the Manitoba Health Research Council. Conflict of Interest Statement The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. References 1. Sprent J, Kishimoto H. The thymus and central tolerance. Philos Trans R Soc Lond B Biol Sci. (2001) 356:609–16. doi: 10.1098/rstb.2001.0846 PubMed Abstract | CrossRef Full Text | Google Scholar 2. Sakaguchi S, Wing K, Miyara M. Regulatory T cells - a brief history and perspective...
Source: Frontiers in Immunology - April 8, 2019 Category: Allergy & Immunology Source Type: research

Cellular Immune Function in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)
This study was carried out in accordance with the recommendations of The London School of Hygiene & Tropical Medicine (LSHTM) Research Ethics Committee (Ref. 6123) and the National Research Ethics Service (NRES) London-Bloomsbury Research Ethics Committee (REC ref. 11/10/1760, IRAS ID: 77765), with written informed consent from all subjects. All subjects gave written informed consent in accordance with the Declaration of Helsinki. The protocol was approved by the LSHTM Research Ethics Committee and the NRES London-Bloomsbury Research Ethics Committee. Author Contributions JC, HD, LN, EL, and ER devised the study ...
Source: Frontiers in Immunology - April 15, 2019 Category: Allergy & Immunology Source Type: research

Allergen immunotherapy, cancer, and immune disorders
Curr Opin Allergy Clin Immunol. 2022 Sep 21. doi: 10.1097/ACI.0000000000000858. Online ahead of print.ABSTRACTPURPOSE OF THE REVIEW: The purpose of this review is to provide an update on the intriguing relationships between allergies, allergen immunotherapy, cancer, and immune disorders. Allergic diseases and cancer are increasing in incidence and prevalence and a potential relationship, or not, between these diseases have been suggested for many years.RECENT FINDINGS: Recent findings suggest that there may be some causative effects between certain types of cancer and allergic diseases, as described in the text. Some types...
Source: Clinical Lung Cancer - September 27, 2022 Category: Cancer & Oncology Authors: David El-Qutob Victor Matheu Enrique Fernandez-Caldas Source Type: research

Contribution of Non-immune Cells to Activation and Modulation of the Intestinal Inflammation
Conclusions As the intestinal mucosa surface constitutes the major surface of the body which is in direct contact with the outer environment, intestinal immune homeostasis must be accurately regulated. The interplay between commensal microbiota, intestinal stromal cells, and the mucosal immune system components should guarantee the intestinal homeostasis to avoid a sustained inflammation that could induce tissue damage. However, several factors can lead to inflammation through homeostasis breakdown. Figure 1 summarizes the main points that have been reviewed here. We have described what it is known so far about the role o...
Source: Frontiers in Immunology - April 9, 2019 Category: Allergy & Immunology Source Type: research

Core Gut Bacteria Analysis of Healthy Mice
Conclusion In conclusion, our results exhibited a relatively complete picture of core gut bacteria in healthy mice that they were mainly composed of carbohydrate- and amino acids-metabolizing bacteria and immunomodulatory bacteria, as well as their ecological relationships of symbiosis or functional redundancy. It was worth noting that the core bacteria resident in healthy gut was of fundamental importance for not only the healthy physiological characteristics, but also the chronic metabolic disease phenotypes. Our study focused on the gut microbiota of healthy host, and would be an important complement to the case–...
Source: Frontiers in Microbiology - April 23, 2019 Category: Microbiology Source Type: research