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https://www.readbyqxmd.com/read/28694068/jkb-122-is-effective-alone-or-in-combination-with-prednisolone-in-con-a-induced-hepatitis
#1
Mei-Chi Hsu, Sheng-Hung Liu, Chiung-Wen Wang, Nai-Yun Hu, Edwin S C Wu, Ying-Chu Shih, Peter J S Chiu
Con A-induced hepatitis in mice is an established model of autoimmune hepatitis (AIH). JKB-122, a toll-like receptor 4 (TLR4) antagonist, was tested for hepatotprotectant activity. Within several hours of Con A challenge (15mg/kg iv), increased production of proinflammatory cytokines with inflammatory infiltrate occurred in the liver. The severity of tissue necrosis and the amount of circulating liver enzymes peak at 24h post Con A challenge. JKB-122 was given 24 and 16h before, then concurrently, and 4 and 8h (× 5 doses) after challenge with Con A...
July 8, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28657766/a-suspected-delayed-hemolytic-transfusion-reaction-mediated-by-anti-joa
#2
Ryan P Jajosky, Wendy C Lumm, Scott C Wise, Roni J Bollag, James F Shikle
A 32-year-old African-American woman with a history of sickle cell disease presented for surgical evaluation of left total hip arthroplasty due to avascular necrosis of the femoral head. In anticipation of a complex orthopedic procedure, pre-surgical blood work was ordered. The patient's Fenwal blood sample typed as group O, D+. Although the patient had a history of anti-Fya, the antibody identification was inconclusive, so the workup was sent to a reference laboratory. The patient was last transfused with red blood cells (RBCs) 2 years earlier, but had no history of transfusion reactions...
June 2017: Immunohematology
https://www.readbyqxmd.com/read/28596660/facts-and-fallacies-of-kidd-antibodies-experience-in-a-tertiary-care-hospital-in-north-india
#3
R N Makroo, Sweta Nayak, Mohit Chowdhry, Prashant Karna
We have analyzed the method used in our laboratory to detect the most elusive, clinically significant alloantibody: the Kidd alloantibodies and find the most convenient procedure. A retrospective analysis of the method used in our laboratory for determining Kidd alloantibodies from January 2013 to May 2015 was conducted. The details of the event that sensitized the patient for red cell antibody formation and procedure used to detect the alloantibody were retrieved from the departmental records. Of 405 red cell antibody identification cases, 24 (5...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28595228/-delayed-hemolytic-anemia-associated-with-anti-jk3-antibody-following-cardiovascular-surgery-report-of-a-case
#4
Takayuki Nishimoto, Yukihiro Bonkohara, Masaki Iijima
We report a 73-year-old man who underwent total aortic arch replacement with an open stent graft for aortic arch aneurysm. The patient received blood transfusion intraoperatively without any signs of hemolysis. However, on post-operative day 16, he developed hemoglobinuria, and was found to have anemia, elevated serum lactate dehydrogenase, elevated total bilirubin, and decreased serum haptoglobin. Initially, the cause for these findings was unknown. Upon further testing, however, antibodies against the high frequency antigen, anti-Jk3 was identified...
June 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28576386/-identification-of-alloantibodies-and-their-associations-balance-sheet-of-3%C3%A2-years-at-the-regional-center-of-blood-transfusion-in-rabat-morocco-and-difficult-in-transfusion-management
#5
S Achargui, A Zidouh, S Abirou, F Z Merhfour, S Monsif, S Amahrouch, A El Ghobre, M El Halhali, H Temmara, A El Hryfy, M Motqi, A Satty, M Kandili, M Aghri, K Hajjout, M Benajiba
Red blood cell immunization can lead to delays or even an impasse in a transfusion. OBJECTIVES: Determine the specificities of the most common of alloantibodies and their associations to correct management of red blood cell transfused. METHODS AND MATERIALS: A retrospective study between 2013 and 2015 in immunohematology laboratories at the Blood Transfusion Center of Rabat in Morocco. The following data were studied: frequency, specificities of alloantibodies, blood group involved in alloimmunization and difficult of management of transfusion in case with association of alloantibodies...
May 30, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/27834480/a-caucasian-jk-a-jk-b-woman-with-jk-a-b-red-blood-cells-anti-jkb-and-a-novel-jk-b-allele-c-1038delg
#6
REVIEW
Glenn Ramsey, Ricardo D Sumugod, Paul F Lindholm, Jules G Zinni, Jessica A Keller, Trina Horn, Margaret A Keller
The Kidd blood group on the red blood cell (RBC) glycoprotein urea transporter-B has a growing number of weak and null alleles in its gene SLC14A1 that are emerging from more widespread genotyping of blood donors and patients. We investigated a 64-year-old Caucasian woman of Polish-Czech descent who developed anti-Jkb detected in solid-phase RBC adherence testing within 12 days after 7 units of RBCs were transfused. Her RBCs subsequently typed Jk(a+b–) by licensed reagents and human antisera. Nevertheless, in RBC genotyping (BioArray HEA BeadChip, Immucor, Warren, NJ) performed in our transfusion service on all patients with alloantibodies, her Kidd typing was JK*A/JK*B based on the Jka/Jkb single nucleotide polymorphism in exon 9 (c...
September 2016: Immunohematology
https://www.readbyqxmd.com/read/27720088/association-between-factor-v-leiden-mutation-small-for-gestational-age-and-preterm-birth-a-systematic-review-and-meta-analysis
#7
Erin M Hemsworth, Amanda M O'Reilly, Victoria M Allen, Stefan Kuhle, Jo-Ann K Brock
OBJECTIVE: To estimate the association of a maternal factor V Leiden (FVL) mutation with SGA and preterm birth. DATA SOURCES: We performed a search of PubMed, Embase, Scopus, CINAHL, and the Cochrane Library from inception to April 2016 for cohort and case-control studies of women with FVL mutation and associated outcomes of SGA and preterm birth that included a reference group without FVL mutation. Additional studies were identified from reference lists of relevant research and review articles...
October 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/27385728/id2-mediates-the-transforming-growth-factor-%C3%AE-1-induced-warburg-like-effect-seen-in-the-peritoneum-of-women-with-endometriosis
#8
Vicky J Young, Syed F Ahmad, Jeremy K Brown, W Colin Duncan, Andrew W Horne
STUDY QUESTION: Is inhibitor of DNA-binding protein 2 (ID2) a mediator of the transforming growth factor (TGF)-β1-induced Warburg-like effect seen in the peritoneum of women with endometriosis? SUMMARY ANSWER: The TGF-β1-induced changes in the metabolic phenotype of peritoneal mesothelial cells from women with endometriosis are mediated through the ID2 pathway. WHAT IS KNOWN ALREADY: TGF-β1 induces the metabolic conversion of glucose to lactate via aerobic glycolysis (the 'Warburg effect') in the peritoneum of women with endometriosis, through increased expression of the transcription factor hypoxia inducible factor α (HIF-1α)...
September 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27267757/sub-saharan-red-cell-antigen-phenotypes-and-glucose-6-phosphate-dehydrogenase-deficiency-variants-in-french-guiana
#9
Florence Petit, Pascal Bailly, Jacques Chiaroni, Stéphane Mazières
BACKGROUND: The treatment of Plasmodium vivax infections requires the use of primaquine, which can lead to severe haemolysis in glucose-6-phosphate dehydrogenase (G6PD)-deficient individuals. However, most of the Latin American countries, which are still endemic for vivax malaria, lack information on the distribution of G6PD deficiency (G6PDd). No survey has been performed so far in French Guiana. Herein, 80 individuals of the French Guianan Noir Marron population were scrutinized for red cell surface antigens of six blood group systems (ABO, Rh, Kell, Kidd, Duffy and MNS) and G6PD genetic polymorphisms...
June 7, 2016: Malaria Journal
https://www.readbyqxmd.com/read/26866167/risk-of-red-blood-cell-alloimmunisation-in-rwanda-assessment-of-pretransfusion-crossmatch-techniques-used-in-district-hospitals
#10
E Ndahimana, A Gothot, C Gérard, F Senyana, S R'Zik, O Mukabayire, L Mutesa
BACKGROUND: Screening of alloantibodies in patients is not yet done in district hospitals of Rwanda. The practice is to transfuse ABO/D compatible blood following an immediate spin crossmatch (IS-XM) or indirect antiglobulin test crossmatch (IAT-XM). OBJECTIVES: To assess the risk of red blood cell (RBC) alloimmunisation associated with the use of IS-XM compared to the IAT-XM in patients receiving blood transfusions in district hospitals in Rwanda. DESIGN: A cross-sectional comparative descriptive study...
April 2013: East African Medical Journal
https://www.readbyqxmd.com/read/26866096/risk-of-red-blood-cell-alloimmunisation-in-rwanda-assessment-of-pretransfusion-crossmatch-techniques-used-in-district-hospitals
#11
E Ndahimana, A Gothot, C Gérard, F Senyana, S R'Zik, O Mukabayire, L Mutesa
BACKGROUND: Screening of alloantibodies in patients is not yet done in district hospitals of Rwanda. The practice is to transfuse ABO/D compatible blood following an immediate spin crossmatch (IS-XM) or indirect antiglobulin test crossmatch (IAT-XM). OBJECTIVES: To assess the risk of red blood cell (RBC) alloimmunisation associated with the use of IS-XM compared to the IAT-XM in patients receiving blood transfusions in district hospitals in Rwanda. DESIGN: A cross-sectional comparative descriptive study...
April 2013: East African Medical Journal
https://www.readbyqxmd.com/read/26605447/alloimmune-red-blood-cell-antibodies-prevalence-and-pathogenicity-in-a-canadian-prenatal-population
#12
Rhonda Zwingerman, Venu Jain, Judith Hannon, Nora Zwingerman, Gwen Clarke
OBJECTIVE: The goals of this study were to determine the prevalence and relative frequencies of red blood cell antibodies in a Canadian prenatal population, and to evaluate the fetal and neonatal outcomes of affected pregnancies. METHODS: We conducted a retrospective review of pregnancies that screened positive for red cell antibodies between 2006 and 2010. The following antibodies were included: anti-D, -C, -c, -E, -e, -Fya, -Fyb, -Jka, and-Jkb. Cases of anti-Kell as the sole antibody were excluded...
September 2015: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/26363547/autologous-infant-and-allogeneic-adult-red-cells-demonstrate-similar-concurrent-post-transfusion-survival-in-very-low-birth-weight-neonates
#13
John A Widness, Denison J Kuruvilla, Donald M Mock, Nell I Matthews, Demet Nalbant, Gretchen A Cress, Robert L Schmidt, Ronald G Strauss, M Bridget Zimmerman, Peter Veng-Pedersen
OBJECTIVE: Based on the hypothesis that neonatal autologous red blood cell (RBC) survival (RCS) is substantially shorter than adult RBC, we concurrently tracked the survival of transfused biotin-labeled autologous neonatal and allogeneic adult RBC into ventilated, very low birth weight infants. STUDY DESIGN: RBC aliquots from the first clinically ordered, allogeneic adult RBC transfusion and from autologous infant blood were labeled at separate biotin densities (biotin-labeled RBC [BioRBC]) and transfused...
November 2015: Journal of Pediatrics
https://www.readbyqxmd.com/read/25637293/importance-of-direct-antiglobulin-test-dat-in-cord-blood-causes-of-dat-in-a-cohort-study
#14
Serena Valsami, Marianna Politou, Τheodora Boutsikou, Despina Briana, Milena Papatesta, Ariadne Malamitsi-Puchner
BACKGROUND: The direct antiglobulin test (DAT) is the cornerstone of the diagnosis of hemolytic disease of the newborn (HDN). The aim of this study was to review the incidence and causes of positive DAT in cord blood in relation to development of HDN. METHODS: We retrospectively reviewed all results of DAT, which is routinely performed in cord blood samples, along with the laboratory and infants' medical records. RESULTS: DAT was positive in 70/2695 (2...
August 2015: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/25312103/kidd-blood-group-phenotypes-among-pregnant-women-in-sokoto-north-western-nigeria
#15
Osaro Erhabor, Mairo Hassan, Yusuf Bashir Alhaji, Ahmed Yakubu, Hauwa Buhari
OBJECTIVE: To investigate the prevalence of Kidd antigens among pregnant women in Sokoto, North Western Nigeria. METHODS: One hundred and sixty two pregnant women aged 18-45 years [mean age (27.19±4.72) years] attending antenatal clinic in Usmanu Danfodiyo University Teaching Hospital, Sokoto, were screened for the presence of Kidd blood group antigens using the conventional tube method and anti-Jka and Jkb reagents (Lorne Laboratories, UK). RESULTS: Out of the 162 pregnant women tested, 82 (50...
September 2014: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/24877238/jk-null-alleles-identified-from-japanese-individuals-with-jk-a%C3%A2-b%C3%A2-phenotype
#16
T Onodera, K Sasaki, H Tsuneyama, K Isa, K Ogasawara, M Satake, K Tadokoro, M Uchikawa
The Kidd blood group system consists of three common phenotypes: Jk(a+b−), Jk(a−b+) and Jk(a+b+), and one rare phenotype, Jk(a−b−). Jka/Jkb polymorphism is associated with c.838G>A (p.Asp280Asn) in exon 9 of the JK (SLC14A1) gene, and the corresponding alleles are named JK*01 and JK*02. The rare phenotype Jk(a−b−) was first found in a Filipina of Spanish and Chinese ancestry, and to date, several JK null alleles responsible for the Jk(a−b−) phenotype have been reported. We report seven novel JK null alleles, 4 with a JK*01 background and 3 with a JK*02 background, identified from Jk(a−b−) Japanese...
May 2014: Vox Sanguinis
https://www.readbyqxmd.com/read/24839583/dna-binding-polyamides-and-the-importance-of-dna-recognition-in-their-use-as-gene-specific-and-antiviral-agents
#17
Kevin J Koeller, G Davis Harris, Karl Aston, Gaofei He, Carlos H Castaneda, Melissa A Thornton, Terri G Edwards, Shuo Wang, Rupesh Nanjunda, W David Wilson, Chris Fisher, James K Bashkin
There is a long history for the bioorganic and biomedical use of N-methyl-pyrrole-derived polyamides (PAs) that are higher homologs of natural products such as distamycin A and netropsin. This work has been pursued by many groups, with the Dervan and Sugiyama groups responsible for many breakthroughs. We have studied PAs since about 1999, partly in industry and partly in academia. Early in this program, we reported methods to control cellular uptake of polyamides in cancer cell lines and other cells likely to have multidrug resistance efflux pumps induced...
February 20, 2014: Medicinal Chemistry
https://www.readbyqxmd.com/read/24839369/hemolytic-disease-of-the-newborn-due-to-anti-jkb-case-report-and-review-of-the-literature
#18
Diego Velasco Rodríguez, G Pérez-Segura, A Jiménez-Ubieto, M A Rodríguez, L Montejano
Although anti-Jkb is a well-defined cause of severe acute or delayed hemolytic transfusion reactions, it is rarely associated with severe Hemolytic Disease of the Newborn (HDN), even with high antibody titer. To date, only 13 cases have been reported, so the possible reasons for that still remain unclear. Most of HDN due to anti-Jkb are mild-to-moderate, and usually have a good prognosis. A 41-years-old woman, who had a positive antibody screening test in her 13th week of pregnancy, was sent to the blood bank for study before an amniocentesis...
June 2014: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/24689681/prevalence-of-clinically-significant-red-blood-cell-alloantibodies-in-pregnant-women-at-a-large-tertiary-care-facility
#19
Heather M Smith, Rosetta S Shirey, Sandra K Thoman, Jay B Jackson
More than 50 red blood cell (RBC) alloantibodies are known to cause hemolytic disease of the fetus and newborn (HDFN).Although Rh immune globulin (RhiG) prophylaxis has significantly reduced the incidence of pregnancies complicated by anti-D, the need to detect and monitor maternal allo antibodies capable of causing HDFN is still a concern. The prevalence and specificity of these alloantibodies were determined. In this retrospective study, the prevalence and specificities of unexpected RBC alloantibodies known to cause HDFN in pregnant women at a tertiary-care facility during a 5-year period were compiled and analyzed...
2013: Immunohematology
https://www.readbyqxmd.com/read/23826966/alloimmunisation-during-pregnancy-in-greece-need-for-nationwide-hdfn-prevention-programme
#20
MULTICENTER STUDY
L Foudoulaki-Paparizos, S Valsami, N Bournas, A Tsantes, P Grapsas, G Mantzios, A Travlou, M Politou
AIM/OBJECTIVES: To access the incidence and specificity of maternal red blood cells alloimmunisation and its relevant clinical impact in Greece. BACKGROUND: The rate of alloimmunisation in pregnant women in Greece is unknown. MATERIALS/METHODS: We performed a 4-year study in two tertiary hospitals in Greece. Demographics, transfusion and obstetric history were analysed. Maternal alloimmunisation was detected with indirect anti-globulin test...
August 2013: Transfusion Medicine
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