Generation and Application of Rat Monoclonal Antibodies Specific for a Human Blood Coagulation Protein: von Willebrand Factor.

In conclusion, the development of VWF-specific mAbs would be useful in the diagnosis of VWD and AVWS. PMID: 31192778 [PubMed - in process]
Source: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy - Category: Microbiology Tags: Monoclon Antib Immunodiagn Immunother Source Type: research

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te; J Abstract The relationship between the gut flora and various diseases (obesity, diabetes mellitus, metabolic disorders, allergic and autoimmune diseases, inflammatory bowel diseases, liver failure, infections, certain neuropsychiatric disorders, tumors) has been highlighted in recent years. Depletion of microbiotics inhibits bone marrow healing. Infections and their antibiotic treatment may also affect hematopoiesis. Intestinal flora may also affect the severity of the graft-versus-host disease and may also play a role in the pathogenesis of immunthrombocytopenia through the T-regulator cells. The study summa...
Source: Orvosi Hetilap - Category: General Medicine Authors: Tags: Orv Hetil Source Type: research
Conclusion: The results suggest that an immunosuppressive state develops at the terminal stage of severe leptospirosis with pulmonary hemorrhage and shock similar to that of patients with septic shock, with diffuse endothelial activation in the spleen, splenitis, and signs of disturbance in the innate and adaptive immunity in the spleen. The presence of leptospiral antigens in 73% of the spleens of the leptospirosis patients suggests the etiological agent contributes directly to the pathogenesis of the lesions. Our results support therapeutic approaches involving antibiotic and immunomodulatory treatments for leptospirosis...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
In this study, we report the age-associated differences between fetal MSC (fMSC) populations and MSCs isolated from elderly donors with respect to their transcriptomes. We successfully reprogrammed fMSCs (55 days post conception) and adult MSC (aMSC; 60-74 years) to iPSCs and, subsequently, generated the corresponding iMSCs. In addition, iMSCs were also derived from ESCs. The iMSCs were similar although not identical to primary MSCs. We unraveled a putative rejuvenation and aging gene expression signature. We show that iMSCs irrespective of donor age and cell type re-acquired a similar secretome to that of th...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Reena Goswami1, Gayatri Subramanian2, Liliya Silayeva1, Isabelle Newkirk1, Deborah Doctor1, Karan Chawla2, Saurabh Chattopadhyay2, Dhyan Chandra3, Nageswararao Chilukuri1 and Venkaiah Betapudi1,4* 1Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States 2Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States 3Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States 4Department of Physiology and Biophysics, Case Western Reserve University, Clev...
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
This study highlights how the use of in vitro 3D model can allow rapid screening and selection of new and safer drugs. Introduction Angiogenesis is a complex and finely regulated process that consists of the growth of new capillary blood vessels from pre-existing vessels to create communication pathways among tissues. The coordination of different activities such as endothelial cell proliferation and migration, metalloproteinase function, integrin expression and pericyte stabilization is essential for angiogenesis (Folkman, 1984). The “angiogenic switch” is “on” when the balance between pro-...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Cancer immunotherapy with immune checkpoint inhibitors (CPIs) and interleukin-2 (IL-2) has demonstrated clinical efficacy but is frequently accompanied with severe adverse events caused by excessive and systemic immune system activation. Here, we addressed this need by targeting both the CPI antibodies anti–cytotoxic T lymphocyte antigen 4 antibody (αCTLA4) + anti–programmed death ligand 1 antibody (αPD-L1) and the cytokine IL-2 to tumors via conjugation (for the antibodies) or recombinant fusion (for the cytokine) to a collagen-binding domain (CBD) derived from the blood protein von Willebrand fact...
Source: Science Translational Medicine - Category: Biomedical Science Authors: Tags: Research Articles Source Type: research
Hemophilia A (HA) is a X-linked bleeding disorder caused by deficiency of coagulation factor VIII (FVIII). Optimal clinical management centers on FVIII protein concentrate replacement. However, up to 30% of patients with severe HA develop neutralizing antibodies to FVIII (inhibitors) upon exposure to therapeutic FVIII. Inhibitors neutralize the infused FVIII and, thus, pose a significant challenge in the management of these patients. Immune tolerance induction (ITI) using high-dose FVIII infusions can eliminate inhibitors but is not effective at generating long-term eradication in all patients. Thus, we developed an immuno...
Source: Blood - Category: Hematology Authors: Tags: 801. Gene Therapy and Transfer: Poster I Source Type: research
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Source: International Journal of Cancer - Category: Cancer & Oncology Authors: Tags: Research Article Source Type: research
We report the clinical presentation of and identify biomarkers of severe CRS in 133 adult patients who received CD19 CAR T cells. CRS developed in 70% of patients, including 62.5% with grade 1 to 3 CRS (grade 1, 26%; grade 2, 32%; grade 3, 4.5%), 3.8% with grade 4, and 3.8% with grade 5. A majority of cases of grade ≥4 CRS occurred during CAR T-cell dose finding. Multivariable analysis of baseline characteristics identified high marrow tumor burden, lymphodepletion using cyclophosphamide and fludarabine, higher CAR T-cell dose, thrombocytopenia before lymphodepletion, and manufacturing of CAR T cells without selection o...
Source: Blood - Category: Hematology Authors: Tags: Immunobiology and Immunotherapy, Clinical Trials and Observations Source Type: research
Abstract Gastric antral vascular ectasia (GAVE) continues to be a challenge in both diagnosis and treatment. GAVE has a diverse group of associations and presumed causes, including cirrhosis, chronic renal failure and autoimmune connective tissue diseases. However, in most occasions, the management plan of GAVE itself is the same whatever the underlying disease by using Argon plasma coagulation (APC). Herein, we will discuss three cases of systemic sclerosis‐associated GAVE presenting with either acute or chronic gastrointestinal bleeding showing variable responses to APC. Anemia and telangiectasia may be the first strik...
Source: APLAR Journal of Rheumatology - Category: Rheumatology Authors: Tags: Review Article Source Type: research
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