Results 91 to 100 of about 727,847 (314)

The role of ICOS in the development of CD4 T cell help and the reactivation of memory T cells [PDF]

, 2007
We have addressed the role of the inducible costimulator (ICOS) in the development of T cell help for B cells and in the generation, survival and reactivation of memory CD4 T cells and B cells.
MacDonald, Andrew, Mahajan, Simmi, Fillatreau, Simon, Cervera, Ana, MacDonald, Andrew; id_orcid, Smith, Andrew, Gray, David, Ana Cervera, Perona-Wright, Georgia, Macleod, Megan, Andrew Smith, Stephen Meek, Megan MacLeod, Andrew MacDonald, Meek, Stephen, Simmi Mahajan, David Gray, Georgia Perona‐Wright, Simon Fillatreau   +18 more
core   +1 more source

A 3D Human Bone and Bone Marrow‐on‐a‐Chip Model for In Vitro Bone Remodeling and Immune Cell Maintenance

Advanced Science, EarlyView.
This study presents a human Bone (and Bone Marrow)‐on‐a‐Chip model based on native human bone scaffolds and autologous cells. Dynamic perfusion and sequential cell seeding replicate the physiological bone remodeling process in vitro, enabling the long‐term culture of functional, mature bone marrow immune subpopulations.
Nina Stelzer, Melanie‐Jasmin Ort, Kristian Händler, Emely Bortel, Ioanna Maria Dimitriou, Martin Textor, Georg N. Duda, Janosch Schoon, Uwe Marx, Uwe Kornak, Annika Winter, Bernhard Hesse, Stefanie Donner, Sebastian Hardt, Oliver Klein, Simon Reinke, Malte Spielmann, Sven Geißler   +17 more
wiley   +1 more source

The rate of CD4 decline as a determinant of progression to AIDS independent of the most recent CD4 count

, 1998
The data of two cohort studies of HIV-infected individuals were used to examine whether the rate of CD4 decline is a determinant of HIV progression, independent of the most recent CD4 count.
Lepri, AC, Phillips, AN, Lee, CA, Pezzotti, P, Rezza, G, Sabin, CA   +5 more
core  

BALB/c mice deficient in CD4(+) T cell IL-4R alpha expression control Leishmania mexicana load although female but not male mice develop a healer phenotype [PDF]

, 2011
Immunologically intact BALB/c mice infected with Leishmania mexicana develop non-healing progressively growing lesions associated with a biased Th2 response while similarly infected IL-4R alpha-deficient mice fail to develop lesions and develop a robust ...
Owain R Millington, Bryson Karen J., Millington Owain R., McGachy, Adrienneh H., Brombacher, F, Mokgethi Thabang, Bryson, Karen, H. Adrienne McGachy, Owain R. Millington, McGachy, Adrienne, H Adrienne McGachy, James Alexander, Mokgethi, T, Karen J Bryson, Alexander, James, Brombacher Frank, Frank Brombacher, Alexander James, McGachy, Helen, Bryson, Karen J., Thabang Mokgethi, Millington, Owain R., Millington, Owain, Brombacher, Frank, Mokgethi, Thabang, Bryson, Karen J, Karen J. Bryson, McGachy, H Adrienne, McGachy H. Adrienne, Millington, Owain R   +29 more
core   +1 more source

HIV negative aids-idiopathic CD4 lyphocytopenia

Journal of Indian Academy of Oral Medicine and Radiology, 2018
Idiopathic CD4+ T-cell lymphocytopenia (ICL) is a rare disorder of immune system with heterogeneous clinical manifestations and immunologic profile.
Ashima Bali Behl, Puneeta Vohra, Vikram Bali   +2 more
doaj   +1 more source

A Radioresistant‐Tumor‐Targeted Nanoparticle for X‐Ray‐Controlled Nitric Oxide Release to Potentiate Radiotherapy

Advanced Science, EarlyView.
The PBTN targets GRP78 and, upon X‐ray irradiation, generates ONOO− to induce immunogenic cell death, thereby activating CD8+ T cells and establishing a systemic antitumor immune response. ABSTRACT Nitric oxide (NO) treated radioresistant tumors by relieving hypoxia and blocking DNA repair, but its nonselective toxicity has precluded therapeutic use ...
Wanze Zhang, Xiaoyan Yin, Ting Wang, Hongfu Zhao, Zhipeng Zhao, Jinbao Wang, Cheng Tao, Xuanchu Ge, Yanze Li, Linlin Liu, Fuxin Xue   +10 more
wiley   +1 more source

CD4-WTLAT traffics from the cell surface to the lysosome in activated cells.

, 2020
A. JCam2.5 cells stably expressing CD4-WTLAT or CD4-2KRLAT were treated with 1mg/ml Leupeptin for 4 hrs. Cells were then labeled with anti-CD4 (clone OKT4) at 4°C, dropped onto stimulatory coverslips at 37°C and fixed after 30 minutes.
Katherine M. McIntire (8478726), Lakshmi Balagopalan (8478720), Lawrence E. Samelson (8478738), Hiba Malik (8478723), Tiffany Nguyen (8478732), Ana B. Rodriguez-Peña (8478735), Joseph A. Garvey (8478729)   +6 more
core   +1 more source

CD4+ Tregs Drive Post‐Ischemic Sprouting Angiogenesis via Endothelial YY1/MAML1 Reactivation

Advanced Science, EarlyView.
ABSTRACT Microvascular complications of diabetes are chronic diseases of small vessels. We previously found that CD4+ regulatory T‐cells (Tregs) are markedly reduced in type 2 diabetes (T2D) after ischemic injury in both mice and humans, and that Treg deficiency in immunodeficient mice impairs vascular regeneration.
Hang Qu, Cheng Kiu Ho, Jitao Liu, Lei Cui, Yangfeng Hou, Cai Liang, Wenchu Ye, Randolph H. L. Wong, Shohei Hori, Bin Zhou, Kathy O. Lui   +10 more
wiley   +1 more source

Rapid and long-term disappearance of CD4+ T lymphocyte responses specific for Anaplasma marginale major surface protein-2 (MSP2) in MSP2 vaccinates following challenge with live A. marginale [PDF]

, 2005
In humans and ruminants infected with Anaplasma, the major surface protein 2 (MSP2) is immunodominant. Numerous CD4(+) T cell epitopes in the hypervariable and conserved regions of MSP2 contribute to this immunodominance.
Abbott, Jeffrey R, Howard, Chris J, Palmer, Guy H, Kegerreis, Kimberly A, Brown, Wendy C, Hope, Jayne; id_orcid, Hope, Jayne C, Hetrick, Peter F   +7 more
core   +1 more source

Prevalence and Predictors of CD4+ T-Lymphocytopenia Among HIV-Negative Tuberculosis Patients in Uganda

Research and Reports in Tropical Medicine, 2020
Joseph Baruch Baluku,1– 3 Joseph Musaazi,4 Rose Mulwana,1 Araali Robert Mugabo,1 Felix Bongomin,5 Winceslaus Katagira3 1Mulago National Referral Hospital, Pulmonology Division, Kampala, Uganda; 2Mildmay Uganda, Kampala, Uganda; 3Makerere University
Baluku JB, Musaazi J, Mulwana R, Mugabo AR, Bongomin F, Katagira W   +5 more
doaj