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Kirstin Harling, Ernest Adankwah, Alptekin Güler, Anthony Afum-Adjei Awuah, Louis Adu-Amoah, Ertan Mayatepek, Ellis Owusu-Dabo, Norman Nausch, Marc Jacobsen
T-cells critically contribute to protection against Mycobacterium tuberculosis infection, and impaired T-cell responses can lead to disease progression. Pro-inflammatory and immunosuppressive cytokines affect T-cells, and fine-tuned regulation of cytokine signaling via the Jak/STAT signaling pathways is crucial for appropriate T-cell function. Constitutive STAT3 phosphorylation as a consequence of aberrant cytokine signaling has been described to occur in pathognomonic T-cell responses in inflammatory and autoimmune diseases...
March 19, 2018: Cellular & Molecular Immunology
Hantao Lou, Matthew C Pickering
Extracellular DNA is secreted from various sources including apoptotic cells, NETotic neutrophils and bacterial biofilms. Extracellular DNA can stimulate innate immune responses to induce type-I IFN production after being endocytosed. This process is central in antiviral responses but it also plays important role in the pathogenesis of a range of autoimmune diseases such as systemic lupus erythematosus. We discuss the recent advances in the understanding of the role of extracellular DNA, released from apoptotic and NETotic cells, in autoimmunity...
March 19, 2018: Cellular & Molecular Immunology
Arantzazu Zabala, Monika Salgueiro, Oihane Sáez-Atxukarro, Javier Ballesteros, Guillermo Ruiz-Irastorza, Rafael Segarra
OBJECTIVES: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease. Its most prevalent manifestation is neuropsychiatric SLE (NP-SLE), which is characterized by increased involvement of the nervous system, with relevant symptoms, such as marked cognitive deficits, which are directly involved in subsequent functional disability. The objective of this study is to identify and compare the profile of cognitive deficits in patients with NP-SLE and patients with non-neuropsychiatric SLE (nonNP-SLE) by means of a systematic review and meta-analysis...
March 19, 2018: Journal of the International Neuropsychological Society: JINS
Henrieta Fraser, Niloufar Safinia, Nathali Grageda, Sarah Thirkell, Katie Lowe, Laura J Fry, Cristiano Scottá, Andrew Hope, Christopher Fisher, Rachel Hilton, David Game, Paul Harden, Andrew Bushell, Kathryn Wood, Robert I Lechler, Giovanna Lombardi
The concept of regulatory T cell (Treg)-based immunotherapy has enormous potential for facilitating tolerance in autoimmunity and transplantation. Clinical translation of Treg cell therapy requires production processes that satisfy the rigors of Good Manufacturing Practice (GMP) standards. In this regard, we report our findings on the implementation of a robust GMP compliant process for the ex vivo expansion of clinical grade Tregs, demonstrating the feasibility of this developed process for the manufacture of a final product for clinical application...
March 16, 2018: Molecular Therapy. Methods & Clinical Development
Tetsuro Ushio, Ken Okazaki, Hideki Mizu-Uchi, Satoshi Hamai, Yukio Akasaki, Yasuharu Nakashima
Background: An anterior cruciate ligament (ACL) reconstruction has become more common and the surgical morbidity has decreased, it has been performed not only in younger people to play sports but also middle-aged people, with satisfactory results. Therefore, some patients might have comorbidities for which they take medicines. Especially the medicines, such as systemic steroids, might influence the reconstructed ligament strength and durability. Case report: A 49-year-old woman who was taking oral steroids for autoimmune hepatitis suffered a spontaneous ACL injury...
January 2018: Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology
Syeda Naqvi, Syed Askari Hasan, Sameen Khalid, Aamer Abbass, Melanie Albors-Mora
Ulcerative colitis is an autoimmune disorder leading to chronic intestinal inflammation. It can present with a wide range of associated extra-intestinal manifestations. We present a case of an 18-year-old man diagnosed with ulcerative colitis, autoimmune hemolytic anemia and primary sclerosing cholangitis during the same hospitalization. The unique triad of these diseases gives important clues to the immunological factors involved in the pathogenesis of these diseases.
January 15, 2018: Curēus
Franchesca Cruz-Pérez, Salvador Vilá, Grissel Ríos, Luis M Vilá
Macrophage-activating syndrome (MAS) is a rare condition characterized by dysfunctional macrophage activation leading to overproduction of cytokines and phagocytosis of erythrocytes, leukocytes, and platelets. MAS is associated with infectious diseases, malignancies, and autoimmune rheumatic disorders. Herein, we present a 22-year-old Hispanic woman with SLE who was hospitalized because of a three-week history of fever, fatigue, polyarthralgia, nausea, and abdominal pain. Initial laboratories showed severe pancytopenia with marked elevation of liver enzymes and ferritin levels...
2018: Case Reports in Rheumatology
Giorgina B Piccoli, Mona Alrukhaimi, Zhi-Hong Liu, Elena Zakharova, Adeera Levin
Background: Chronic kidney disease affects approximately 10% of the world's adult population: It is within the top 20 causes of death worldwide, and its impact on patients and their families can be devastating. World Kidney Day and International Women's Day in 2018 coincide, thus giving an occasion to reflect on open questions on the importance of kidney health in women for the present and the future generations. Objectives: In this review, we summarize some aspects that are unique to women's kidney health, offering an opportunity to reflect on the importance of women's health and specifically their kidney health, on the community, and the next generations, as well as to strive to be more curious about the unique aspects of kidney disease in women so that we may apply those learnings more broadly...
2018: Canadian Journal of Kidney Health and Disease
Lijuan Wang, Yanchun Quan, Yongfang Yue, Xueyuan Heng, Fengyuan Che
Interleukin (IL)-37, a new IL-1 family member, has received increasing attention in recent years. In the past decade, it has been determined that IL-37 is expressed in various normal cells and tissues and is regulated by inflammatory stimuli and pro-cytokines via different signal transduction pathways. Recently, it has been found that IL-37 is expressed in a variety of cancers, chronic inflammatory and autoimmune disorders, and exerts anti-inflammatory effects. Moreover, a growing body of literature demonstrates that IL-37 plays a vital role in inhibiting both innate and adaptive immune responses as well as inflammatory reactions...
April 2018: Oncology Letters
Viktor Fleming, Xiaoying Hu, Rebekka Weber, Vasyl Nagibin, Christopher Groth, Peter Altevogt, Jochen Utikal, Viktor Umansky
The immune system has many sophisticated mechanisms to balance an extensive immune response. Distinct immunosuppressive cells could protect from excessive tissue damage and autoimmune disorders. Tumor cells take an advantage of those immunosuppressive mechanisms and establish a strongly immunosuppressive tumor microenvironment (TME), which inhibits antitumor immune responses, supporting the disease progression. Myeloid-derived suppressor cells (MDSC) play a crucial role in this immunosuppressive TME. Those cells represent a heterogeneous population of immature myeloid cells with a strong immunosuppressive potential...
2018: Frontiers in Immunology
Robert A LaMothe, Pallavi N Kolte, Trinh Vo, Joseph D Ferrari, Tracy C Gelsinger, Jodie Wong, Victor T Chan, Sinthia Ahmed, Aditi Srinivasan, Patrick Deitemeyer, Roberto A Maldonado, Takashi K Kishimoto
T cells reacting to self-components can promote tissue damage when escaping tolerogenic control mechanisms which may result in autoimmune disease. The current treatments for these disorders are not antigen (Ag) specific and can compromise host immunity through chronic suppression. We have previously demonstrated that co-administration of encapsulated or free Ag with tolerogenic nanoparticles (tNPs) comprised of biodegradable polymers that encapsulate rapamycin are capable of inhibiting Ag-specific transgenic T cell proliferation and inducing Ag-specific regulatory T cells (Tregs)...
2018: Frontiers in Immunology
Ellen F Carney
No abstract text is available yet for this article.
March 19, 2018: Nature Reviews. Nephrology
Katya B Rubinow
BACKGROUND: Over the past two decades, parallel recognition has grown of the importance of both sex steroids and immune activity in metabolic regulation. More recently, these discrete areas have been integrated in studies examining the metabolic effects of sex steroid immunomodulation. Implicit in these studies has been a traditional, endocrine model of sex steroid delivery from the gonads to target cells, including immune cells. Thus, research to date has focused on the metabolic effects of sex steroid receptor signaling in immune cells...
March 8, 2018: Molecular Metabolism
John J McMurtrey, Mark O M Tso
Most patients suffering from retinitis pigmentosa (RP) inherit the disorder; however, the immune-pathologic features associated with this disease have yet to be extensively studied. Six reports correlate anti-retinal immune activity with vision deterioration in RP patients. Some of these patients have sporadic RP that occurs in excess of expected gene segregation during inheritance. The hypothesis that a primary immune-mediated disease process occurs in this sporadic group is supported by significant associations of RP with autoimmune endocrinopathies and other immune related conditions or factors; however, no immunologic difference regarding RP family history is reported in the peripheral blood studies of RP patients...
March 15, 2018: Survey of Ophthalmology
Nooshin Ghadiri, Negaralsadat Emamnia, Mazdak Ganjalikhani-Hakemi, Kamran Ghaedi, Masoud Etemadifar, Mansoor Salehi, Hedayatollah Shirzad, Mohammad Hossein Nasr-Esfahani
BACKGROUND: Multiple sclerosis is an immune-mediated inflammatory disease of central nervous system. MicroRNAs play important roles in autoimmune diseases such as MS. OBJECTIVES: The aim was to evaluate the expression pattern of miR-34a, miR-199a, miR-30c and miR-19a in peripheral blood derived CD4+ T lymphocytes of both relapsing and remitting phases of MS. METHODS: Blood samples from 40 RRMS patients (20 in relapsing and 20 in remitting phase) and 20 healthy volunteers were taken...
March 15, 2018: Gene
Li-Mei Qu, Shu-Hua Wang, Kun Yang, David R Brigstock, Li Sun, Run-Ping Gao
BACKGROUND: The diagnosis of drug-induced autoimmune hepatitis (DIAIH) and its differentiation from idiopathic autoimmune hepatitis (AIH) is challenging. This study aimed to differentiate DIAIH from AIH by comparing the biochemical changes, histological features, and frequencies of CD4+ Foxp3+ CD25+/- regulatory T cells (Tregs) in liver tissues or peripheral blood lymphocytes. METHODS: A total of 15 DIAIH patients and 24 AIH patients who underwent liver biopsies at initial presentation were enrolled in this study...
February 19, 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
Fang Xiao, Guo Ai, Weiming Yan, Xiaoyang Wan, Xiaoping Luo, Qin Ning
Autoimmune hepatitis (AIH) is a chronic autoimmune disease with the primary focus on autoreactive Th1-mediated response and cytotoxic T cells reaction. The contribution of natural killer cells (NK cells) to AIH remains poorly understood. In this project, we revealed that the frequency of peripheral NK cells, more accurately CD56dim NK subset, was reduced in AIH patients. The reduction of CD56dim NK was negatively correlated with disease progression. In experimental autoimmune hepatitis (EAH), hepatic accumulation of NK cells is observed along with a decrease of NK cells in the periphery...
December 21, 2017: Cellular Immunology
Arash Mansourian, Shamsoulmolouk Najafi, Nazila Nojoumi, Parisa Parhami, Mahdieh-Sadat Moosavi
Patients with oral lichen planus (OLP) may develop immune sialadenitis that causes a dry mouth. The role of cortisol in autoimmune diseases is well known; yet studies on this subject are controversial. In this study, the salivary flow rate and salivary cortisol level were compared among subtypes of OLP. This study involved three groups of patients: (1) 11 with reticular OLP, (2) 20 with atrophic-erosive OLP, and (3) 30 with no apparent oral lesion. The salivary flow rate in the control group was significantly higher than in OLP patients...
2018: Skinmed
X W Xu, C X Zhao, H T Bai, C Wang, L P Wan
No abstract text is available yet for this article.
January 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Y Li, J P Li, Y Li, J Y Wang, X L Zhou, Y C Mi, K Zhou, G X Peng, L Ye, H H Fan, L Song, P Li, Q Li, X Zhao, Y Yang, Q Y Gao, W R Yang, L P Jing, F K Zhang, L Zhang
No abstract text is available yet for this article.
January 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
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