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Articles 1 - 6 of 6
Full-Text Articles in Immune System Diseases
The Role Of Il-22 Produced By Th17 Cells In Type 1 Diabetes, Stacey M. Bellemore
The Role Of Il-22 Produced By Th17 Cells In Type 1 Diabetes, Stacey M. Bellemore
Electronic Thesis and Dissertation Repository
Interleukin-22 (IL-22) is produced by T helper 17 (Th17) cells. Th17 cells have been shown to be pathogenic in autoimmune diseases, however their role in type 1 diabetes (T1D) remains controversial. We have shown that Th17-differentiation of naïve T cells can be driven by IL-23 + IL-6 to produce large amounts of IL-22 and induce T1D. Conversely, polarizing T cells using TGF-β + IL-6 led to nonpathogenic Th17 cells that produced lower IL-22 levels. We have shown that neutralizing IFN-γ during polarization leads to a drastic increase in IL-22. We have also found IL-22-producing cells in the pancreas of diabetic …
Severe Combined Immune Deficiency Syndrome, Ali Faisal Saleem, Ranish Deedar Ali Khawaja, Abdul Sattar Shaikh, Syed Asad Ali, Anita Kaniz Mehdi Zaidi
Severe Combined Immune Deficiency Syndrome, Ali Faisal Saleem, Ranish Deedar Ali Khawaja, Abdul Sattar Shaikh, Syed Asad Ali, Anita Kaniz Mehdi Zaidi
Department of Paediatrics and Child Health
Objective: To determine the clinico-demographic features and laboratory parameters of children with severe combined immunodeficiency (SCID).
Study Design: Case series.
Place and Duration of Study: Department of Paediatrics and Child Health, the Aga Khan University, Karachi, from July 2006 to July 2011.
Methodology: Thirteen infants who were discharged with a diagnosis of SCID were inducted in the study. Their clinicodemographic features and laboratory parameters were determined. Descriptive statistics has been used for computing frequency and percentage.
Results: The median age at diagnosis was five months; 5 infants presented within 3 months of life. Three-fourth (77%) were males. Most of the …
T-Cell Treatments For Solid And Hematological Tumors, Drew C. Deniger
T-Cell Treatments For Solid And Hematological Tumors, Drew C. Deniger
Dissertations & Theses (Open Access)
Cell-based therapies have demonstrated potency and efficacy as cancer treatment modalities. T cells can be dichotomized by their T cell receptor (TCR) complexes where alpha/beta T cells (95% of T cells) and gamma/delta T cells (+T cells proliferated to clinically significant numbers and ROR1+ tumor cells were effectively targeted and killed by both ROR1-specific CAR+ T cell populations, although ROR1RCD137 were superior to ROR1RCD28 in clearance of leukemia xenografts in vivo. The second specific aim focused on generating bi-specific CD19-specific CAR+ gamma/delta T cells with polyclonal TCRgamma/delta repertoire on CD19+ artificial antigen presenting cells (aAPC). …
Stimulation Through Tlr4 Increases Fviii Inhibitor Formation In A Mouse Model Of Hemophilia A, Claire K. Holley
Stimulation Through Tlr4 Increases Fviii Inhibitor Formation In A Mouse Model Of Hemophilia A, Claire K. Holley
Dissertations & Theses (Open Access)
Hemophilia A is a clotting disorder caused by functional factor VIII (FVIII) deficiency. About 25% of patients treated with therapeutic recombinant FVIII develop antibodies (inhibitors) that render subsequent FVIII treatments ineffective. The immune mechanisms of inhibitor formation are not entirely understood, but circumstantial evidence indicates a role for increased inflammatory response, possibly via stimulation of Toll-like receptors (TLRs), at the time of FVIII immunization. I hypothesized that stimulation through TLR4 in conjunction with FVIII treatments would increase the formation of FVIII inhibitors. To test this hypothesis, FVIII K.O. mice were injected with recombinant human FVIII with or without concomitant doses …
Interventions To Reduce Neonatal Mortality From Neonatal Tetanus In Low And Middle Income Countries - A Systematic Review, Adeel Ahmed Khan, Aysha Zahidie, F. Rabbani
Interventions To Reduce Neonatal Mortality From Neonatal Tetanus In Low And Middle Income Countries - A Systematic Review, Adeel Ahmed Khan, Aysha Zahidie, F. Rabbani
Community Health Sciences
Background
In 1988, WHO estimated around 787,000 newborns deaths due to neonatal tetanus. Despite few success stories majority of the Low and Middle Income Countries (LMICs) are still struggling to reduce neonatal mortality due to neonatal tetanus. We conducted a systematic review to understand the interventions that have had a substantial effect on reducing neonatal mortality rate due to neonatal tetanus in LMICs and come up with feasible recommendations for decreasing neonatal tetanus in the Pakistani setting.
Methods
We systemically reviewed the published literature (Pubmed and Pubget databases) to identify appropriate interventions for reducing tetanus related neonatal mortality. A total …
Factors That Lead To The Immunotherapy Gap In Multiple Sclerosis Testing, Karthika Solai
Factors That Lead To The Immunotherapy Gap In Multiple Sclerosis Testing, Karthika Solai
AUCTUS: The Journal of Undergraduate Research and Creative Scholarship
Multiple sclerosis is a disease that affects the central nervous system. Most doctors and scientists believe that it is an autoimmune disease. Simply put, the immune system attacks the nerves in a person’s body, thereby causing myelin damage, inflammation, and neurodegeneration. The plaque that then builds up on the nerves is scar tissue created when the wounds made by the immune system heal. It is this plaque that inhibits communication between the axons in the body and causes the symptoms of MS, which includes problems with movement, pain, vision problems, trouble swallowing, fatigue, and heat sensitivity (Baker et al., 2011, …