Wondossen Sime - Postdoctoral Researcher - Lund university
2020-09-14 2021-03-25 2020-07-16 2019-06-15 2004-02-01 2019-12-11 Cancer cells leverage CD47, a cell surface protein, as a “don’t eat me” signal to evade detection by the immune system. Our company is developing a next-generation checkpoint inhibitor designed to have a high affinity for CD47 and to avoid the limitations caused by hematologic toxicities inherent in other CD47 blocking approaches. ALX Oncology has raised $105 million. The series C round will support phase 2 trials of CD47 myeloid checkpoint inhibitor ALX148 in combination with other anti-cancer therapies. Next-generation CD47 blockade has resulted in bispecific antibody platforms that can also target CD19 or CD20 in a mouse lymphoma model [80-82], CD33 or CD123 in AML [83-85], CD40 in colon carcinoma , tumor-associated antigens such as mesothelin and VEGFR1 in non-small cell lung cancer, and even dual blockade of CD47 and SIRPα [88,89] or SIRPα and PD-L1 ; however, trials in humans have yet CD47 is a common anti-phagocytic receptor that is overexpressed in several human cancer types.
I haven't taken a HPT since Friday (CD43), just didn't want to waste any more money tests or get my hopes up I avhandlingen studerades bl.a. ett protein med beteckningen CD47 och dess betydelse i detta sammanhang. Intresset för CD47 bygger på and in individuals who are susceptible to chronic inflammation or cancer. of Exhausted and Senescent T Cells and Diffused CD47-SIRPα Expression. av H Ågerstam · 2015 · Citerat av 67 — This work was supported by grants from the Swedish Cancer Society, the (2009) CD47 is an adverse prognostic factor and therapeutic anti-CD47 with anti-CTLA-4. Immunotherapy has recently become a powerful weapon against cancer. Cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) Lund university, Translational Cancer Research (TCR), Medicon Village.
I Lung cancer is a leading type of cancer — and a leading killer — in the United States every year.
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HIF-1 stimulates CD47 expression in hyp-oxicbreastcancercells (18).However, whether chemotherapyalso affects the expression of CD47 has not been investigated. CD47 is an antiphagocytic molecule that contributes to tumor cell resistance in host immune surveillance.
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Shahein Yasser BAKGRUND. Monoklonala antikroppar har använts i behandling av cancer sedan slutet av 90-talet. För närvarande finns ca 25 monoklonala Benmärgstransplantation · Böcker & konst · Brittisk tandskrift · Brittisk journal för cancer · Cancer genterapi · Celldöd & differentiering · Celldöd och sjukdom We are now hopeful that the first human clinical trials of anti-CD47 antibody will take place at Stanford in mid-2014, if all goes well. Clinical Weissmans laboratorium visade redan att cancerproduktionen av CD47 kan men efter behandlingen hade bara en av tio möss någon cancer i sina lymfkörtlar. SRSF10-medierad IL1RAP alternativ splicing reglerar cervical cancer oncogenes via mIL1RAP-NF-KB-CD47 axel. En mus återhämtade sig från cancer efter antikroppsbehandling. Dessutom producerar cancerceller alltid i genomsnitt tre gånger mer CD47 än friska celler," Matricellular proteiner: ett klibbigt affär med cancer The elevated expression of CD47 can stimulate β 1 integrin-mediated cancer cell motility via the inhibition Ett sätt att förstöra cancer med vårt eget immunsystem är ett långvarigt mål för Sedan sprayade de såret med en gel innehållande antikroppar mot CD47, Resultaten hängde på att ta bort CD47 från mus och väckte många frågor, "Kliniska prövningar som använder nanopartiklar för att leverera cancer mot Beroende på vilken typ av cancer, kommer patienterna att få någon form av Det faktum att produkten innehåller nanopartiklar för att blockera CD47-proteinet, emotional and behavioural functioning of children where a parent has cancer glioblastoma phagocytosis in combination with cd47 blocking immunotherapy.
Here, we have studied the response of breast cancer cells to CD47 ligands TSP-1, the CD47 agonist peptide 4N1K derived from TSP-1, and the anti-CD47 monoclonal antibody 1F7. 2019-08-14 · Based on this observation, CD47 is currently considered as a prominent target in cancer therapy.
Cancer cells are covered with a protein called CD47, which acts as a “don’t eat me” signal to the immune system. Stanford researchers developed an anti-CD47 CD47 could eliminate primary human ALL in vitro and in vivo, to determine the preclinical feasibility of an anti-CD47 anti-body therapy in standard and high-risk ALL. Authors' Affiliations: 1Institute for Stem Cell Biology and Regenerative Medicine, Stanford Cancer Center, and Ludwig Center at Stanford; Abstract: Targeting CD47 is in the spotlight of cancer immunotherapy. Blocking CD47 triggers the recognition and elimination of cancer cells by the innate immunity.
Additionally, cancer cells also secreted
av Y Zhang · 2013 · Citerat av 105 — Crosstalk between colon cancer cells and macrophages via inflammatory mediators and CD47 promotes tumour cell migration.
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2015-05-15 Strategies for targeting CD47 are becoming a hot spot of cancer therapy. The expression of CD47 is exercised by macrophages to make a distinction between “self” or “non-self”. Anti-CD47 antibody blockade the interaction between macrophage signal regulatory protein-α … CD47 participates in tumor immune escape by combining with SIRPα in other cancers, such as glioblastoma, 42 leiomyosarcoma, 43 osteosarcoma, 44 malignant mesothelioma, 24, 45 non-Hodgkin’s lymphoma, 46 cervical cancer, ovarian cancer, renal cell carcinoma, 47 – 49 and bladder tumor.
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Second, ligation of CD47 induces cancer cells apoptosis.
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Abstract: Targeting CD47 is in the spotlight of cancer immunotherapy. Blocking CD47 triggers the recognition and elimination of cancer cells by the innate immunity. There are three CD47 antagonists in phase I clinical trials, but their potential efficacies are highly controversial. 2015-05-15 Strategies for targeting CD47 are becoming a hot spot of cancer therapy.
CD47 was first identified as a tumor antigen on human ovarian cancer in the 1980s; since then, CD47 has been found to be overexpressed on multiple hematologic and nonhematologic malignancies, including chronic myeloid leukemia (CML), non-Hodgkin’s lymphoma (NHL) , multiple myeloma , breast cancer , pancreatic cancer , nonsmall cell lung cancer (NSCLC) [19, 20], and other solid tumors. CD47 is a ubiquitously expressed cell surface receptor for thrombospondin‐1 and SIRPα. High expression of CD47 on several types of cancer cells has been identified as a ‘don't eat me signal' that inhibits their killing by macrophages or NK cells. Expression of CD47 in cancer tissue. The cancer tissue page shows antibody staining of the protein in 20 different cancers. CD47 is not prognostic in cervical cancer Alive (n=220) Dead (n=71) Female (n=291) Male (n=0) Stage: n/a (n=291) Moreover, SIRPα mutants ‘CV1’ and CD47 mutants ‘Velcro-CD47’ with high affinities have been reported to be adjuvants to augment the efficacy of therapeutic antibodies.9 10 For example, anti-human CD47 antibody (B6H12) can markedly suppress tumor growth in ovarian, breast, colon cancer, glioblastoma and acute lymphoblastic leukemia in NOD-scid Il2rγ null mice xenotransplantation Se hela listan på frontiersin.org 2019-03-05 · In 2009, researchers in the laboratory Stanford stem cell biologist Irving Weissman, MD, showed that CD47 on human leukemia stem cells acts as a "don't eat me" signal to the immune cells called macrophages that patrol the body to eliminate infected and diseased cells. Next-generation CD47 blockade has resulted in bispecific antibody platforms that can also target CD19 or CD20 in a mouse lymphoma model [80-82], CD33 or CD123 in AML [83-85], CD40 in colon carcinoma , tumor-associated antigens such as mesothelin and VEGFR1 in non-small cell lung cancer, and even dual blockade of CD47 and SIRPα [88,89] or SIRPα and PD-L1 ; however, trials in humans have yet Previous studies identified CD47 as a surface marker of human solid tumors including bladder cancer (13).