Sökning: "Nils Welsh"

Visar resultat 1 - 5 av 10 avhandlingar innehållade orden Nils Welsh.

  1. 1. Role of Inducible Nitric Oxide Synthase and Melatonin in Regulation of β-cell Sensitivity to Cytokines

    Författare :Annika K. Andersson; Stellan Sandler; Nils Welsh; Décio L. Eizirik; Nils Billestrup; Uppsala universitet; []
    Nyckelord :MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cell biology; β-cell; Cyclooxygenase; Cytokine; Diabetes; IFN-γ; IL-1β; iNOS; Insulin; Melatonin; Nitric oxide; Pancreatic islets; Phospholipase D; Prostaglandin E2; Streptozotocin; Cellbiologi; Cell biology; Cellbiologi;

    Sammanfattning : The mechanisms of β-cell destruction leading to type 1 diabetes are complex and not yet fully understood, but infiltration of the islets of Langerhans by autoreactive immune cells is believed to be important. Activated macrophages and T-cells may then secrete cytokines and free radicals, which could selectively damage the β-cells. LÄS MER

  2. 2. MEKK-1 and NF-κB Signaling in Pancreatic Islet Cell Death

    Författare :Dariush Mokhtari; Nils Welsh; Michael Welsh; Anders Tengholm; Shanta Persaud; Uppsala universitet; []
    Nyckelord :Cell biology; MEKK-1; JNK; human islets; β-cells; siRNA; apoptosis; cell death; MAPK; nitric oxide; cytokines; streptozotocin; c-Rel; NF-κB; Cellbiologi;

    Sammanfattning : Type 1 diabetes is an autoimmune disease resulting in the selective destruction of the insulin producing β-cells in the pancreas. Pro-inflammatory cytokines and the free radical nitric oxide (NO) have been implicated in mediating the destruction of β-cells, possibly through activation of the mitogen activated protein kinases (MAPKs) JNK, ERK and p38. LÄS MER

  3. 3. Study of the Proliferation, Function and Death of Insulin-Producing Beta-Cells in vitro: Role of the Transcription Factor ZBED6

    Författare :Xuan Wang; Nils Welsh; Nils Billestrup; Uppsala universitet; []
    Nyckelord :MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ZBED6; Pancreatic beta-cell; Proliferation; Insulin secretion; Apoptosis; Adhesion; Medical Science; Medicinsk vetenskap;

    Sammanfattning : A thorough understanding of beta-cell proliferation, function, death and regeneration under normal condition as well as in the progression of diabetes is crucial to the conquest of this disease. The work presented in this thesis aimed to investigate the expression and role of a novel transcription factor, Zinc finger BED domain-containing protein 6 (ZBED6), in beta-cells. LÄS MER

  4. 4. Mechanisms of transcriptional and post-transcriptional control of gene expression in the pancreatic ß-cell

    Författare :Nils Welsh; Uppsala universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : .... LÄS MER

  5. 5. In vitro Studies of β-cell Death and Survival. Modulation by Adenoviral Vectors and Bcl-2 Overexpression

    Författare :Andreea Roxana Barbu; Nils Welsh; Decio Eiziric; Uppsala universitet; []
    Nyckelord :MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cell biology; β-cell; cytokine; mitochondrial membrane potential; Bcl-2; Adenoviral vector; Adenovirus; IFN-α; Diabetes; Cellbiologi; Cell biology; Cellbiologi;

    Sammanfattning : Type 1 diabetes is a multifactorial disease resulting from the selective destruction of insulin-producing β-cells within the pancreatic islets of Langerhans. The mechanisms of β-cell death are not fully understood but cytokines are important mediators of this process. LÄS MER