Jan‐Ingvar Jönsson

ORCID: 0000-0003-4814-978X
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About
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Research Areas
  • Immune Cell Function and Interaction
  • Hematopoietic Stem Cell Transplantation
  • Acute Myeloid Leukemia Research
  • T-cell and B-cell Immunology
  • Chronic Lymphocytic Leukemia Research
  • Chronic Myeloid Leukemia Treatments
  • Cancer, Hypoxia, and Metabolism
  • PI3K/AKT/mTOR signaling in cancer
  • Cancer-related Molecular Pathways
  • CAR-T cell therapy research
  • Cell death mechanisms and regulation
  • Monoclonal and Polyclonal Antibodies Research
  • Immunotherapy and Immune Responses
  • Immune Response and Inflammation
  • FOXO transcription factor regulation
  • Neonatal Respiratory Health Research
  • Epigenetics and DNA Methylation
  • RNA Interference and Gene Delivery
  • Cell Adhesion Molecules Research
  • HER2/EGFR in Cancer Research
  • Immunodeficiency and Autoimmune Disorders
  • Cancer-related gene regulation
  • PARP inhibition in cancer therapy
  • Cytokine Signaling Pathways and Interactions
  • Advanced biosensing and bioanalysis techniques

Linköping University
2011-2023

Lund University
1999-2021

Scania (Sweden)
2021

University of Gothenburg
2012

Oslo University Hospital
2012

Institute of Cell Biology
2009

Uppsala University
2005

Ludwig Cancer Research
2005

Karolinska Institutet
2005

Malmö University
2000-2001

We have previously shown that mice carrying a null mutation in the homeobox gene ipf1, now renamed to pdx1, selectively lack pancreas. To elucidate level at which PDX1 is required during development of pancreas, we this study analyzed early stages pancreas ontogeny PDX-/- mice. These analyses revealed inductive events leading formation pancreatic buds and appearance insulin glucagon cells occur PDX1-deficient embryos. However, subsequent morphogenesis epithelium progression differentiation...

10.1242/dev.122.5.1409 article EN Development 1996-05-01

Extracellular superoxide dismutase (EC-SOD; superoxide:superoxide oxidoreductase, EC 1.15.1.1) is a secreted Cu- and Zn-containing tetrameric glycoprotein, the bulk of which bound to heparan sulfate proteoglycans in interstitium tissues. To test function EC-SOD vivo, mice carrying targeted disruption gene were generated. The null mutant develop normally remain healthy until at least 14 months age. No compensatory induction other SOD isoenzymes or antioxidant enzymes was observed. When...

10.1073/pnas.92.14.6264 article EN Proceedings of the National Academy of Sciences 1995-07-03

CD4(+)CD25(high) regulatory T cells (Tregs) are implicated in the maintenance of murine pregnancy. However, reports regarding circulating Treg frequencies human pregnancy inconsistent, and functionality phenotype these have not been clarified. The aim this study was to determine frequency, phenotype, function Tregs second trimester influence progesterone 17beta-estradiol on frequency. Based expressions Foxp3, CD127, HLA-DR as determined by multicolor flow cytometry, we defined a proper...

10.4049/jimmunol.0803654 article EN The Journal of Immunology 2009-06-18

Background The Q705K polymorphism in NLRP3 has been implicated several chronic inflammatory diseases. In this study we determine the functional role of commonly occurring using an in-vitro system. Principal Findings NLRP3-WT and NLRP3-Q705K were retrovirally transduced into human monocytic cell line THP-1, followed by assessment IL-1β IL-18 levels culture supernatant. THP-1 cells expressing above variants sorted based upon Green Fluorescent Protein (GFP) expression. Cytokine response to alum...

10.1371/journal.pone.0034977 article EN cc-by PLoS ONE 2012-04-17

Immune-induced prostaglandin E2 (PGE2) synthesis is critical for fever and other centrally elicited disease symptoms. The production of PGE2 depends on cyclooxygenase-2 microsomal E synthase-1 (mPGES-1), but the identity cells involved has been a matter controversy. We generated mice expressing mPGES-1 either in hematopoietic or nonhematopoietic origin. Mice lacking displayed an intact febrile response to lipopolysaccharide, associated with elevated levels cerebrospinal fluid. In contrast,...

10.1210/en.2012-1375 article EN Endocrinology 2012-09-21

Abstract We studied the activation of small resting mouse T lymphocytes by antibodies to cell antigen receptor in combination with other surface antigens. Solid‐phase but not soluble KJ16‐133 and F23.1, both directed β chains V 8 family, activate cells proliferate presence growth factors, a dose‐dependent fashion. Antibodies Lyt‐2 L3T4 had no activating effect at any concentration. However, submitogenic concentrations F23.1 synergized wide range anti‐Lyt‐2 anti‐L3T4 cause proliferation...

10.1002/eji.1830170510 article EN European Journal of Immunology 1987-01-01

Objective The tyrosine kinase inhibitors (TKIs) used in the treatment of chronic myeloid leukemia are substrates for efflux transport protein ATP-binding cassette subfamily G member 2 (ABCG2). Variations ABCG2 activity might influence pharmacokinetics and therapeutic outcome TKIs. role single-nucleotide polymorphisms (SNPs) TKI is not clear functional in-vitro studies lacking. aim this study was to investigate consequences SNPs efficacy TKIs [imatinib, N-desmethyl imatinib (CGP74588),...

10.1097/fpc.0000000000000022 article EN Pharmacogenetics and Genomics 2013-12-09

Summary The proteinase‐activated receptor 1 ( PAR ‐1) plays a central role in melanoma progression and its expression level is believed to correlate with the degree of cancer invasiveness. Here, we show that ‐1 post‐transcriptionally regulated by miR‐20b micro RNA human cells. was found be expressed metastatic cells but barely detectable primary melanoma. By transducing lentivirus containing 3′‐ UTR construct mRNA , could endogenous s interacted silenced fused luciferase reporter....

10.1111/pcmr.12217 article EN Pigment Cell & Melanoma Research 2014-01-10

Despite advances in the head and neck squamous cell carcinoma (HNSCC) treatment modalities, drug resistance cancer recurrence are often reported. Hypoxia signaling through hypoxia-inducible factor 1 (HIF-1) promotes angiogenesis metastasis by inducing epithelial-mesenchymal-transition (EMT). The aim of this study was to evaluate impact hypoxia on response therapy as well EMT expression stem markers HNSCC cells. Five lines (UT-SCC-2, UT-SCC-14, LK0412, LK0827, LK0923) were selected for study....

10.3390/ijms18050943 article EN International Journal of Molecular Sciences 2017-04-29

Hematopoietic development is a delicate balance of cell fate decisions in multipotent cells between self-renewal and differentiation. In multiple developmental systems, the Notch receptors areimportant factors regulating these processes. progenitor have been shown to express Notch1, studies with an activated intracellular form has revealed functional role. To assess function other members hematopoiesis, we investigated expression pattern Notch2, Notch3 hematopoietic lineages at level RNA...

10.1002/1521-4141(200111)31:11<3240::aid-immu3240>3.0.co;2-e article EN European Journal of Immunology 2001-11-01

Accumulating evidence suggests that hypoxic areas in the bone marrow are crucial for maintenance of hematopoietic stem cells (HSCs) by supporting a quiescent state cell cycle and regulating transplantation capacity long-term (LT)-HSCs. In addition, HSCs seem to express metabolic profile energy production away from mitochondrial oxidative phosphorylation favor glycolysis. At oxygen deprivation, hypoxia inducible factor 1α (HIF-1α) is known induce glycolytic enzymes as well suppressing...

10.1371/journal.pone.0171714 article EN cc-by PLoS ONE 2017-02-09
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