نتایج جستجو برای: natural killer nk cell

تعداد نتایج: 2118869  

Journal: :Journal of clinical images and medical case reports 2023

Extranodal natural killer cell (NK) T lymphoma (ENKL) is a rare type of non Hodgkins lymphoma, accounting for 5% 10% total NHL cases.

Fatemeh Pourrajab , Parisa i Yazdani Elahabad, Seyedhossein Hekmatimoghaddam ,

Natural killer (NK) cells are effector cells of the innate immune system that exert direct cytotoxic functions. Ubiquitously-expressed toll-like receptors (TLRs) have been recognized as one of the major components promoting dendritic cell (DC) maturation, which may induce polarized immune responses beneficial to cancer immunotherapy. TLR-activated NK cells and DCs are prerequisite for robust ac...

شیخی, عبدالکریم,

Among immune system components natural killer (NK) cells are the first line of defence against tumor cells. The decreasing activity of these cells can be associated with carcinogenesis, in situ tumor growth and metastasis of different cancers, viral infections, immunodeficiency syndroms and autoimmune diseases. In this study natural killer activity of peripheral blood mononuclear cells (Effecto...

Background: Cancer is a public health emergency. It has a high mortality rate despite numerous studies on pharmaceutical therapies. Chimeric antigen receptor-natural killer (CAR-NK) cells are promising immunotherapy that could be used to treat cancer, especially leukemia. However, the evidence is still unclear. Thus, this systematic review aims to summarize the evidence regarding the use of CAR...

ژورنال: یافته 2012
انتظامی, کبری , علی مقدم, کامران, شاهسوار, فرهاد ,

Background : Allogeneic hematopoietic stem cells transplantation (HSCT) is a valuable therapy for refractory acute leukemias, leukemias with a high risk for relapse, myelodysplastic syndromes, and chronic myeloid leukemia. HSCT outcome is dependent on several factors, including the stage of disease, degree of human leukocyte antigen (HLA) identity between donor and recipient, conditioning regim...

Journal: :Laryngo-rhino-otologie 2022

Introduction The activation of natural killer cells (NK) by their KIR (killer cell immunoglobulin-like receptor) is a potent defense system tumor cells. In this thesis we want to investigate the profile 16 inhibiting and activating KIRs in bloodserum patients with head neck squamous-cell carcinoma (HNSCC). Furthermore, calculate correlation between KIR-status overall survival (OS) HNSCC-patients.

Abbas Ali Nasehi Anoushirvan Kazemnejad Eisa Salehi Hedieh Matloubi Mohammad Hossein Niknam Mohammad Vodjgani, Tahereh Aboufazeli Zahra Gheflati

Background: Schizophrenia has been associated with altered immunity. Different studies regarding natural killer cell activity (NKA) in schizophrenic patients have shown inconsistent results. Objectives: To evaluate NK cell activity in schizophrenic patients in comparison with healthy control individuals.   Methods: 30 medication-free schizophrenic patients and 41 healthy sex, age and smoking st...

Anne Kathrin Mausberg , B. C Kieseier, C Kleinschnitz, G. Meyer Zu Horste, M Stettner, M. K. Heininger, S Cordes,

Natural Killer (NK) cells are part of our innate immune system with regulatory and effector functions. Different studies suggest that treatment with intravenous immunoglobulins (IVIg) has an immunomodulatory effect on NK cells. IVIg is a first-line treatment for various autoimmune diseases in particular in chronic inflammatory demyelinating polyneuropathy (CIDP). The lack of predictive markers ...

2017
Muneeb Ilyas Collin M. Costello Amit Sharma

cSCC: cutaneous squamous cell carcinoma FNKD: functional natural killer cell deficiency HPV: human papillomavirus KIR: killer cell immunoglobulin-like receptor MHC: major histocompatibility complex NK: natural killer INTRODUCTION There are many conditions associated with the formation of numerous cutaneous squamous cell carcinomas (cSCCs), including, among others, xeroderma pigmentosum, epiderm...

Journal: :Cancer research 1999
C T Lutz Z B Kurago

Human leukocyte antigen (HLA) class I molecules on hematopoietic cancers and melanomas inhibit attack by natural killer lymphocytes, but previous studies have not consistently demonstrated that carcinoma cells are protected by HLA class I expression. We investigated whether HLA class I molecules protect oral and pharyngeal squamous cell carcinoma cells from natural killer lymphocyte attack. Squ...

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