Innate memory phenotype (IMP) CD8+ T cells are non-conventional T cells exhibiting features of innate immune cells, and are significantly increased in the absence of non-receptor tyrosine kinase ITK. Their developmental path and function are not clear, particularly whether they can contribute to antigen specific responses. We found that WT bone marrow gives rise to IMP CD8+ T cells in irradiated MHCI-/- recipients, resembling those in Itk-/- mice determined by expression of surface markers. However, CD8+ T cells share similar expression of memory markers.
Cutting edge: innate memory CD8+ T cells are distinct from homeostatic expanded CD8+ T cells and rapidly respond to primary antigenic stimuli.
Age
View SamplesInnate memory phenotype (IMP) CD4+ T cells are non-conventional T cells exhibiting features of innate immune cells, characterized as CD44high and CD62Llow in periphery. It is recently reported by our group that bone marrow chimeric mice lacking thymic MHCI expression develop predominantly IMP CD8+ T cells, while those lacking hematopoietic MHCI develop predominantly nave CD8+ T cells. Here we perform hirarchical clustering analysis and found that CD4+ T cells share similar property: chimeras lacking thymic MHCII gave rise to predominantly CD4+ T cells that resemble IMP CD4+ T cells observed in WT mice, and vice versa, chimeras lacking hematopoietic MHCII had a majority of nave-like CD4+ T cells resembling naveCD4+ T cells seen in WT mice.
Dendritic cell-MHC class II and Itk regulate functional development of regulatory innate memory CD4+ T cells in bone marrow transplantation.
Age, Specimen part
View SamplesNutritional and genetic risk factors for intestinal tumors are additive on mouse tumor phenotypes, demonstrating that diet and genetic factors impact risk by distinct combinatorial mechanisms. We analyzed expression profiles of small intestine crypts and villi from mice with nutritional and genetic risk factors. The results advanced our understanding of the mechanistic roles played by major risk factors in the pathogenesis of intestinal tumors.
Paneth cell marker expression in intestinal villi and colon crypts characterizes dietary induced risk for mouse sporadic intestinal cancer.
Age, Specimen part
View SamplesPericytes are integral components of the tissue vasculature and have essential functions in tumour angiogenesis. Endosialin (CD248) is a type I transmembrane glycoprotein highly expressed on pericytes in the tumour vasculature of most solid tumours, however it is low or negligibly expressed on normal tissue pericytes. Experiments using wild-type and endosialin-knockout mice has revealed that stromal endosialin expression facilitates intravasation of tumor cells from the primary tumor into the circulation, thereby promoting metastatic dissemination.
Endosialin-Expressing Pericytes Promote Metastatic Dissemination.
Sex, Specimen part, Disease
View SamplesAn evaluation of biopsies from patients with in-transit extremity melanoma who have been treated with melphalan in the setting of isolated limb infusion
Gene expression signatures as a guide to treatment strategies for in-transit metastatic melanoma.
No sample metadata fields
View SamplesTo identify patterns of gene expression that correlate with response to treatment with either melphalan or temozolomide we measured both gene expression using microarray genechips and response to drug using a standard in vitro cell proliferation assay. Senstivity to melphalan was measured 48hrs after drug treatment while sensitivity to temozolomide was measured 12 days after drug treatment.
Genomic and molecular profiling predicts response to temozolomide in melanoma.
Treatment
View SamplesAn evaluation of multifocal lesions from patients with in-transit extremity melanoma to determine if all lesions from a patient harbor homogeneous patterns of gene expression
Gene expression signatures as a guide to treatment strategies for in-transit metastatic melanoma.
No sample metadata fields
View SamplesThe human C-type lectin Reg3a (HIP/PAP) is an antimicrobial peptide that kills Gram-positive bacteria. Reg3a preserves gut microbiota homeostasis, reinforces intestinal barrier function and thereby helps to fight induced colitis in mice.
Enteric Delivery of Regenerating Family Member 3 alpha Alters the Intestinal Microbiota and Controls Inflammation in Mice With Colitis.
Specimen part, Treatment
View SamplesAn evaluation of biopsies from patients with in-transit extremity melanoma who have been treated with ADH-1 followed by melphalan in the setting of isolated limb infusion
Prospective multicenter phase II trial of systemic ADH-1 in combination with melphalan via isolated limb infusion in patients with advanced extremity melanoma.
Disease, Disease stage, Treatment
View SamplesProstate cancer is dependent on androgen receptor (AR) signaling at all stages of the disease and cyclin D1 has been shown to negatively modulate the expression of the AR-dependent gene prostate specific antigen (KLK3/PSA).
Cyclin D1 is a selective modifier of androgen-dependent signaling and androgen receptor function.
Cell line, Treatment
View Samples