• Apoptotic profiling of chronic myeloid leukaemia patients' platelets ex vivo before and after treatment with Imatinib 

  Repsold, Lisa; Pool, Roger; Karodia, Mohammed; Tintinger, Gregory Ronald; Becker, Piet J.; Joubert, Anna Margaretha (Wiley, 2021-06)

  Chronic myeloid leukaemia (CML) is a malignancy of the haematopoietic stem cells. The first line of treatment for CML, especially in developing countries, remains the first-generation tyrosine kinase inhibitor, Imatinib. ...
• Submission for special issue : The role of platelet activation in the pathophysiology of HIV, tuberculosis, and pneumococcal disease. Bedaquiline suppresses ADP-mediated activation of human platelets in vitro via interference with phosphatidylinositol 3-kinase 

  Tintinger, Gregory Ronald; Theron, Annette J.; Steel, Helen C.; Cholo, Moloko C.; Nel, Jan Gert; Feldman, Charles; Anderson, Ronald (MDPI, 2021-02-26)

  Although bedaquiline has advanced the treatment of multidrug-resistant tuberculosis (TB), concerns remain about the cardiotoxic potential of this agent, albeit by unexplored mechanisms. Accordingly, we have investigated ...
• Hypercoagulability in COVID-19 

  Wessels, Pieter Frederik (South African Heart Association, 2020-11)

  COVID-19 is associated with a hypercoagulable state that may present as pulmonary thrombosis, pulmonary embolism, and venous and arterial thrombosis. Suggested pathogenesis include direct infection of the endothelial cell ...
• ADP-mediated upregulation of expression of CD62P on human platelets is critically dependent on co-activation of P2Y1 and P2Y12 receptors 

  Anderson, Ronald; Theron, Annette J.; Steel, Helen C.; Nel, Jan Gert; Tintinger, Gregory Ronald (MDPI Publishing, 2020-12)

  This study probed the di erential utilization of P2Y1 and P2Y12 receptors in mobilizing CD62P (P-selectin) from intracellular granules following activation of human platelets with adenosine 50-diphosphate (ADP, 100 mol L1) ...
• The effect of freezing and thawing of samples for anti-factor Xa testing for the determination of enoxaparin activity 

  Louw, Susan; Gounden, Reenelle; Vaughan, Jenifer; Ntabeni, Lumka; Mayne, Anthony; Mayne, Elizabeth S. (Wiley, 2021-06)

  The quality and validity of laboratory results, especially for coagulation analyses, are influenced by pre-analytical variables including the collection technique, transportation, pre-analytical processing and storage of ...
• Endocrine profiling in patients with Fanconi anemia, homozygous for a FANCG founder mutation 

  Dillon, Bronwyn; Feben, Candice; Segal, David; Du Plessis, Johannes; Reynders, David; Wainwright, Rosalind; Poole, Janet; Krause, Amanda (Wiley Open Access, 2020-08)

  BACKGROUND : Fanconi anemia (FA) is phenotypically diverse, hereditary condition associated with bone marrow failure, multiple physical abnormalities, and an increased susceptibility to the development of malignancies. ...
• Home therapy for inherited bleeding disorders in South Africa : results of a modified Delphi consensus process 

  Mahlangu, J.N.; Naidoo, Y.; Goga, Y.; Vaithlingum, M.; Joubert, J.; Sutton, C.; Potgieter, Joachim; Cruickshank, A.L.; Iorio, A. (Health and Medical Publishing Group, 2019-09)

  BACKGROUND: Optimal care of patients with inherited bleeding disorders requires that bleeding episodes are treated early, or still better prevented, through extension of patient care beyond hospital-based treatment to ...
• HIV and haematopoiesis 

  Durandt, Chrisna; Potgieter, J.C.; Mellet, Juanita; Herd, Candice; Khoosal, R.; Nel, Jan Gert; Rossouw, Theresa M.; Pepper, Michael Sean (Health and Medical Publishing Group, 2019-09)

  Human immunodeficiency virus (HIV) infection not only leads to a compromised immune system, but also disrupts normal haematopoiesis, resulting in the frequent manifestation of cytopenias (anaemia, thrombocytopenia and ...
• Clofazimine, but not isoniazid or rifampicin, augments platelet activation in vitro 

  Anderson, Ronald; Theron, Annette J.; Nel, Jan Gert; Durandt, Chrisna; Cholo, Moloko C.; Feldman, Charles; Tintinger, Gregory Ronald (Frontiers Media, 2018-11-20)

  Although the inclusion of the cationic amphiphilic, anti-mycobacterial agent, clofazimine, in the chemotherapeutic regimens of patients with multidrug-resistant tuberculosis (TB) has contributed to improved outcomes, ...
• Detection of the Janus kinase 2 V617F mutation using a locked nucleic-acid, real-time polymerase chain reaction assay 

  Senamela, Tshiphiri; Kock, Marleen M.; Becker, Piet J.; Potgieter, Joachim (AOSIS Open Journals, 2018-01-31)

  The purpose of this study was to develop a real time polymerase chain reaction (PCR) assay for the detection of the JAK2 V617F mutation that could be used in diagnostic laboratories. Sanger sequencing and a newly developed ...
• Dilute Russel viper venom time analysis in a haematology laboratory : an audit 

  Kruger, Welma; Meyer, P.W.A. (Pieter Willem Adriaan); Nel, Jan Gert (Wiley, 2018-08)

  INTRODUCTION : To determine whether the current set of evaluation criteria used for dilute Russel Viper Venom Time (dRVVT) investigations in the routine laboratory meet expectation and identify possible shortcomings. METHODS ...
• Retrospective data analysis of all requests for flow cytometric immunophenotyping in a tertiary hospital setting 

  Prinsloo, Andrea; Nel, Jan Gert; Pool, Roger (Society of Medical Laboratory Technologists of South Africa, 2017-06)

  Flow cytometry is a globally accepted diagnostic tool used for the rapid identification of cells based on their surface and intracellular antigens, especially for the diagnosis of haematological malignancies. The aim of ...
• Cancer diagnoses profile of bone marrow specimens from November 2012 to December 2015 in a tertiary academic setting 

  Swart, Nicola; Pool, Roger; Prinsloo, Andrea (Society of Medical Laboratory Technologists of South Africa, 2017-06)

  This study aimed to examine the number and type of cancer diagnoses made based on bone marrow aspirates (BMA) using morphology and/or histology, over a three year period. All the data collected (2012-2015) was obtained ...
• Multifaceted role of pneumolysin in the pathogenesis of myocardial injury in community-acquired pneumonia 

  Anderson, Ronald; Nel, Jan Gert; Feldman, Charles (MDPI Publishing, 2018-04-11)

  Pneumolysin (PLY), a member of the family of Gram-positive bacterial, cholesterol-dependent, -barrel pore-forming cytolysins, is the major protein virulence factor of the dangerous respiratory pathogen, Streptococcus ...
• Preliminary data on microRNA expression profiles in a group of South African patients diagnosed with chronic myeloid leukaemia 

  Prinsloo, Andrea; Pool, Andrea; Van Niekerk, Chantal (Spandidos Publications, 2017)

  Micro‑ribonucleic acids (miRNAs) are small functional non‑coding RNAs that downregulate gene expression at the post‑transcriptional level. Abnormal expression of specific miRNAs has been recorded in chronic lymphocytic ...
• Application of the AMLprofiler diagnostic microarray in the South African setting 

  Kappala, S.S.; Alessandrini, Marco; Matlhako, T.; Beltchev, E.; Pool, Roger; Pepper, Michael Sean (Hindawi Publishing Corporation, 2017-11-07)

  Acute myeloid leukemia (AML) is characterized by proliferation of the myeloid lineage and accumulation of immature hematopoietic cells in the bone marrow and is typified by marked heterogeneity both in response to treatment ...
• Acute megakaryoblastic leukaemia: light microscopy and scanning electron microscopy of blast cells 

  Masingi, Ntsakisi I.; Laher, Zaheer; Pretorius, Etheresia (Wiley, 2017-03)

  A 60-year-old human immunodeficiency virus-positive woman presented with splenomegaly.
• An overview of the role of platelets in angiogenesis, apoptosis and autophagy in chronic myeloid leukaemia 

  Repsold, Lisa; Pool, Roger; Karodia, Mohammed; Tintinger, Gregory Ronald; Joubert, Annie M. (BioMed Central, 2017-10-10)

  Amongst males, leukaemia is the most common cause of cancer-related death in individuals younger than 40 years of age whereas in female children and adolescents, leukaemia is the most common cause of cancer-related ...
• An endometrial histomorphometric study of CD56+ natural killer cells in women with unexplained infertility 

  Muller, M.; Kalmeier, G.; Eyal, P.; De Bruin, A.; Pool, Roger; Du Rant, C.; Ehlers, Rene; Stander, Andre; Van Schoor, Albert-Neels; Nortje, Evangeline; Du Toit, Peet J. (Health and Medical Publishing Group, 2017-09)

  BACKGROUND. The number of peripheral blood and endometrial natural killer cells varies greatly during implantation and the first trimester of pregnancy and is thought to play a role in the maintenance of a healthy pregnancy. ...
• Detection of the calreticulin type 1 and type 2 mutations in a group of myeloproliferative neoplasm patients using molecular methods 

  Du Toit, Louise de Villiers (University of Pretoria, 2016)

  The myeloproliferative neoplasms (MPN), formerly referred to as chronic myeloproliferative disorders, are a group of haematopoietic stem cell disorders that are characterized by clonal proliferation of one or more mature ...

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