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Cold agglutinins

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https://www.readbyqxmd.com/read/29737533/a-randomized-first-in-human-healthy-volunteer-trial-of-bivv009-a-humanized-antibody-for-the-specific-inhibition-of-the-classical-complement-pathway
#1
Johann Bartko, Christian Schoergenhofer, Michael Schwameis, Christa Firbas, Martin Beliveau, Colin Chang, Jean-Francois Marier, Darrell Nix, James C Gilbert, Sandip Panicker, Bernd Jilma
Aberrant activation of the classical complement pathway is the common underlying pathophysiology of orphan diseases such as bullous pemphigoid, antibody-mediated rejection of organ transplants, cold agglutinin disease and warm autoimmune haemolytic anaemia. Therapeutic options for these complement-mediated disorders are limited and BIVV009, a humanized monoclonal antibody directed against complement factor C1s, may be potentially useful for inhibition of the classical complement pathway. A phase-1, first-in-human, double-blind, randomized, placebo-controlled, dose-escalation trial of single and multiple doses of BIVV009 or placebo was conducted in 64 volunteers to evaluate safety, tolerability, pharmacokinetic, and pharmacodynamic profiles...
May 8, 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29683945/ebv-related-cold-agglutinin-disease-presenting-with-conjugated-hyperbilirubinemia-a-pediatric-case-report-and-mini-review
#2
Elpis Mantadakis, Eleftherios Chatzimichael, Eftychia Kontekaki, Maria Panopoulou, Georges Martinis, Aggelos Tsalkidis
Hemolytic anemia occurs in only 1% to 3% of hospitalized patients with infectious mononucleosis. The authors describe an 8-year-old girl without cervical lymphadenopathy or splenomegaly, who presented with conjugated hyperbilirubinemia and was diagnosed with cold agglutinin disease caused by an immunoglobulin M autoantibody with anti-i specificity. Acute Epstein-Barr virus infection was confirmed by serological and molecular methods. She recovered uneventfully after a 3-week course of methylprednisolone. Epstein-Barr virus infection should be considered in any case of hemolytic anemia associated with hepatic dysfunction, especially when direct antiglobulin test is positive for C3d...
April 20, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29665852/a-novel-method-for-demonstrating-cold-agglutinin-disease-a-case-report
#3
Thomas A Vo, Zack Oakey, Yasir A Khan, Donald S Minckler
BACKGROUND: Cold agglutinin disease is a rare disorder characterized by an autoimmune hemolytic anemia occurring at low temperatures. Physical examination findings, often limited to acrocyanosis, are combined with a thermal amplitude test to help establish the diagnosis. Thermal amplitude testing determines the highest temperature at which the cold agglutination will occur and is an important parameter in diagnosing cold agglutinin disease. CASE PRESENTATION: Here we describe a 57-year-old white man of German and Nicaraguan descent with known chronic cold agglutinin disease who presented to our ophthalmology clinic for evaluation of a cataract...
April 18, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29535214/short-preheating-at-41%C3%A2-c-leads-to-a-red-blood-cells-count-comparable-to-that-in-ret-channel-of-sysmex-analysers-in-samples-showing-cold-agglutination
#4
Antonio La Gioia, Maurizio Fumi, Fabiana Fiorini, Paola Pezzati, Fiamma Balboni, Maria Bombara, Alessandra Marini, Ylenia Pancione, Leonardo Solarino, Elisa Marchese, Silvia Sale, Vincenzo Rocco, Marcello Fiorini
AIMS: The presence of cold agglutinin in blood samples can cause a spontaneous agglutination of red blood cells (RBCs) when low temperature occurs. This phenomenon causes a spurious lowering of RBC count on the automated haematological analysers that are detected by incongruous values (≥370 g/L) of the mean cellular haemoglobi concentration (MCHC). A preheating at 37°C can remove the RBC agglutination generally resulting in a reliable count. It has been reported that the same result can be reached by using the optical reticulocyte (RET) channel of Sysmex analysers where the RBC count is not influenced by the presence of cold agglutinin...
March 13, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29482710/cold-agglutinins-in-peripheral-blood-with-atypical-cells-with-an-owl-eye-appearance-in-bone-trephine
#5
Ayesha Majeed Memon, Farheen Karim
Autoimmune hemolytic anemia (AIHA) is a form of hemolytic anemia in which red cells lysis occurs due to presence of an autoantibody. Association of AIHA is well known with lymphoproliferative disorders, especially with non-Hodgkin's lymphoma. However, AIHA in association with Hodgkin's lymphoma is seen occasionally. Of the AIHA associated with Hodgkin's lymphoma, most are of warm type or mixed type. Cold AIHA, as seen in our case, is very rare in Hodgkin's lymphoma.
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29437729/correction-cold-agglutinins-in-a-patient-undergoing-normothermic-cardiac-operation-with-warm-cardioplegia
#6
(no author information available yet)
No abstract text is available yet for this article.
February 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29363757/how-i-manage-patients-with-cold-agglutinin-disease
#7
Sigbjørn Berentsen
Cold agglutinin disease (CAD) is an uncommon autoimmune haemolytic anaemia in which a well-defined, clonal low-grade lymphoproliferative disorder of the bone marrow results in erythrocyte destruction mediated by the classical complement pathway. The pathogenesis, clinical features and diagnostic criteria are reviewed. Although anaemia is mild in some patients, approximately one-third of untreated patients have a haemoglobin level of ≤80 g/l, and about 50% have been considered transfusion dependent for shorter or longer periods...
May 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29296728/cold-agglutinin-disease-burden-a-longitudinal-analysis-of-anemia-medications-transfusions-and-health-care-utilization
#8
Megan Mullins, Xiaohui Jiang, Lauren C Bylsma, Jon P Fryzek, Heidi Reichert, Evan C Chen, Shivaani Kummar, Adam Rosenthal
Cold agglutinin disease (CAD), a rare disease and subtype of autoimmune hemolytic anemia, is characterized by autoantibodies that bind to red blood cells at low temperatures. There is no established standard of care for CAD treatment and CAD cohort studies are limited by the rarity of the condition. The objectives of this study are to present the longitudinal experience of a CAD cohort from the United States, with a focus on anemia severity, use of medications and transfusions, and health care resource utilization...
May 23, 2017: Blood Advances
https://www.readbyqxmd.com/read/29206917/tunicamycin-induced-er-stress-in-breast-cancer-cells-neither-expresses-grp78-on-the-surface-nor-secretes-it-into-the-media
#9
Jesús E Serrano-Negrón, Zhenbo Zhang, Andrea P Rivera-Ruiz, Aditi Banerjee, Eva C Romero-Nutz, Neysharie Sánchez-Torres, Krishna Baksi, Dipak K Banerjee
GRP78 (an Mr 78 kDa calcium dependent glucose binding protein) is located in ER lumen. It functions as ER chaperone and translocates proteins for glycosylation at the asparagine residue present in the sequon Asn-X-Ser/Thr. Paraffin sections from N-glycosylation inhibitor tunicamycin treated ER-/PR-/HER2+ (double negative) breast tumor in athymic nude mice exhibited reduced N-glycan but increased GRP78 expression. We have evaluated the effect of tunicamycin on cellular localization of GRP78 in metastatic human breast cancer cells MDA-MB-231 (ER-/PR-/HER2-)...
February 1, 2018: Glycobiology
https://www.readbyqxmd.com/read/29169431/monoclonal-igm-gammopathy-and-waldenstr%C3%A3-m-s-macroglobulinemia
#10
Alexander Grunenberg, Christian Buske
BACKGROUND: 3.2-3.5% of persons over age 50 have a monoclonal gammopathy. Monoclonal gammopathies have many causes, including cancer. 10-20% of monoclonal gammopathies are of isotype IgM. A systematic approach to the differential diagnosis of IgM gammopathies is essential because of the different therapeutic implications of the various underlying conditions. METHODS: This review is based on pertinent publications retrieved by a selective search in PubMed and current guidelines from Germany and abroad...
November 3, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29164157/inflammatory-breast-cancer-and-warm-antibody-autoimmune-hemolytic-anemia-a-rare-paraneoplastic-syndrome
#11
Nene Ugoeke, Chidinma Onweni, Jennifer Treece, Vandana Pai, Sowminya Arikapudi, Evan Kulbacki, Kailash Bajaj
Autoimmune hemolytic anemia (AIHA) is a disease process that involves the destruction of red blood cells mediated by the humoral immune system. It can be characterized as a cold agglutinin syndrome, paroxysmal cold hemoglobinuria, and warm, mixed type, and drug-induced AIHA. Although a well-established relationship exists between the presence of AIHA and lymphoproliferative malignancy, AIHA rarely presents in association with solid malignancies. An analysis of the limited number of published cases of AIHA in association with solid malignancies performed showed that AIHA may present before the diagnosis of a solid malignancy, concurrently with the presence of a solid malignancy, or even on resolution of a solid malignancy...
October 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29081197/-clinical-features-and-prognosis-of-17-patients-with-primary-cold-agglutinin-disease
#12
Y Y Wu, X X Cao, H Cai, L Zhang, D B Zhou, J Li
Objective: To explore the clinical characteristics, treatment and prognosis in 17 patients with primary cold agglutinin disease (CAD) . Methods: Clinical data, treatment and survival status of 17 patients diagnosed with primary cold agglutinin disease in Peking Union Medical College Hospital during April 2007 to October 2016 were retrospectively analyzed. The MYD88(L265P) mutation was tested in 4 patients. Results: The median age of 17 patients was 67 years (range, 51-86 years) , and male- to female ratio was 1...
September 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29021143/cold-agglutinins-in-a-patient-undergoing-normothermic-cardiac-operation-with-warm-cardioplegia
#13
Tatsuhiko Ogawa
Cold agglutinins are autoantibodies that agglutinate red blood cells at low temperatures, leading to haemagglutination and haemolysis. They are generally of no clinical significance. However, when people with cold agglutinins undergo cardiac operation with hypothermia and cold cardioplegia, they can experience complications. Thus, different perioperative management is required for such patients. We describe a 74-year-old man with cold agglutinins incidentally detected on the preoperative screening test. He had never experienced any complications or developed a haematological disease...
October 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28990378/optimization-of-low-abundance-protein-extraction-and-abundant-protein-removal-from-defatted-soybean-meal
#14
Ming-Mei Liu, Bin Qi, Zheng-Xu Liu, Jin-Shun Zhan, Kang Zhan, Guo-Qi Zhao
The aim of this study was to optimize the conditions for the extraction of low-abundance proteins (LAPs) and the removal of abundant proteins (APs; β-conglycinin and glycinin) from soybean meal. Single factor and orthogonal experiments were designed to determine the effects of four factors (isopropanol concentration, total extraction time, ultrasonic power, and ultrasonic time) on protein concentration in isopropanol extracts. Proteins in the isopropanol supernatant and the cold acetone precipitate of isopropanol were identified by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) and matrix-assisted laser desorption/ionization-time of flight mass spectrometry (MALDI-TOF-MS)...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28969736/cold-agglutinin-disease-in-a-patient-of-pulmonary-tuberculosis
#15
Ghassan Umair Shamshad, Nuzhat Salamat, Muhammad Umair
We report a case of secondary cold agglutinin disease (CAD) due to pulmonary tuberculosis in a 68-year male patient who presented with acrocyanosis involving both upper limbs and greater portion of lower limbs. Direct Coombs' test was positive with mild anemia and the cold agglutinin titer was high. Sputum showed numerous acid fast bacilli per high power field. The patient was given standard anti-tuberculous treatment (ATT) and his symptoms gradually improved. After nine months of ATT, his haemoglobin improved, acrocyanosis resolved completely and cold agglutinin titer decreased in level...
September 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28966502/rare-presentation-of-mixed-autoimmune-hemolytic-anemia-in-children-report-of-2-cases
#16
Preeti Rai, Geetika Sharma, Deeksha Singh, Jyoti Garg
Immune hemolytic anemia is characterized by clinical and laboratory features of hemolytic anemia with direct antiglobulin test (DAT) positivity. It could be autoimmune hemolytic anemia (AIHA), alloimmune, or drug-induced hemolysis based on the antigenic stimulus. Furthermore, based on thermal amplitude of autoantibody, AIHA is classified as warm (65%), cold (30%), and mixed (5%) type. Mixed AIHA is extremely rare in children and must be differentiated from warm AIHA with clinically insignificant cold agglutinins and cold hemagglutinin disease as their treatment is different...
October 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28838463/beware-cold-agglutinins-in-organ-donors-ex%C3%A2-vivo-lung-perfusion-from-an-uncontrolled-donation-after-circulatory-determination-of-death-donor-with-a-cold-agglutinin-a-case-report
#17
A Venkataraman, J W Blackwell, W K Funkhouser, K R Birchard, S E Beamer, W T Simmons, S H Randell, T M Egan
BACKGROUND: We began to recover lungs from uncontrolled donation after circulatory determination of death to assess for transplant suitability by means of ex vivo lung perfusion (EVLP) and computerized tomographic (CT) scan. Our first case had a cold agglutinin with an interesting outcome. CASE REPORT: A 60-year-old man collapsed at home and was pronounced dead by Emergency Medical Services personnel. Next-of-kin consented to lung retrieval, and the decedent was ventilated and transported...
September 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28751358/hot-therapy-for-cold-agglutinin-disease
#18
COMMENT
Ulrich Jaeger
No abstract text is available yet for this article.
July 27, 2017: Blood
https://www.readbyqxmd.com/read/28698413/-aortic-stenosis-combined-with-cold-agglutinin-disease
#19
Zaiqiang Yu, Masahito Minakawa, Takashi Aoki, Norihiro Kondo, Kazuyuki Daitoku, Yasuyuki Suzuki, Ikuo Fukuda
Cardiac surgery on a patient with cold agglutinin disease is high risk for thromboembolism due to hypothermia perioperative. A 75-year-old woman with cold agglutinin disease underwent aortic valve replacement for severe aortic stenosis. Cold antibody was detected by preoperative screening test for blood transfusion. In order to prevent thromboembolic event during the operation, we maintained rectal temperature at around 36 degrees centigrade during the cardiopulmonary bypass by warming blood in the bypass circuit...
July 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28683450/acute-kidney-injury-and-hemolytic-anemia-secondary-to-mycoplasma-pneumoniae-infection
#20
Camillo Carrara, Mauro Abbate, Ettore Sabadini, Giuseppe Remuzzi
Glomerulonephritis as well as kidney injury secondary to fulminant intravascular hemolysis are rare extrapulmonary manifestations of Mycoplasma pneumoniae infection. We describe a 50-year-old female diagnosed with M. pneumoniae infection-associated hemolytic anemia, characterized by negative cold agglutinin tests but with laboratory evidence of complement alternative pathway activation. The patient presented both with anemia and severe kidney failure and she was treated with steroids and red blood cell transfusions along with plasmapheresis...
2017: Nephron
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