Obstetrical and neonatal factors associated with optimal public banking of umbilical cord blood in the context of delayed cord clamping.

Purpose: To assess the association of specific newborn and maternal factors with indicators of increased blood-forming capacity in umbilical cord blood to inform strategic collection strategies that could augment the quality of units in public cord blood banks.

Methods: Data regarding 268 consecutive cord blood units (CBUs) banked by Canadian Blood Services were analyzed. Multivariate analysis was performed to identify factors associated with markers of hematopoietic potency and likelihood of utilization.

Reducing ethnic disparity in access to high-quality HLA-matched cord blood units for transplantation: analysis of the Canadian Blood Services' Cord Blood Bank inventory.

Background: Launched in 2013, Canadian Blood Services' Cord Blood Bank (CBS' CBB) has built a high-quality, ethnically diverse cord blood repository that aims to reduce ethnic disparity in accessing suitable units for transplantation.

Methods And Results: As of December 2016, 2000 units have been banked. The self-reported maternal ethnicity was 58% non-Caucasian.

Analysis of polynuclear aromatic hydrocarbons in olive oil after solid-phase extraction using a dual-layer sorbent cartridge followed by high-performance liquid chromatography with fluorescence detection.

A simple and easy direct solid-phase extraction (SPE) method was developed for the analysis of polynuclear aromatic hydrocarbons (PAHs) in olive oil using a dual-layer cartridge containing activated Florisil and a mixture of octadecyl (C18)-bonded and zirconia-coated silicas. Undiluted olive oil was applied directly to the SPE cartridge, and the sample was eluted with acetonitrile solvent. Background in the extract was found to be low enough for either gas chromatography-mass spectrometry (GC-MS) or high-performance liquid chromatography with fluorescence detection (HPLC-FLD) analysis.

Increased apoptosis in cryopreserved autologous hematopoietic progenitor cells collected by apheresis and delayed neutrophil recovery after transplantation: a nested case-control study.

Background Aims: Delayed neutrophil recovery following autologous hematopoietic stem cell transplantation (aHSCT) increases transplant-related morbidity. Apoptosis induced by cryopreservation and thawing of hematopoietic progenitor cells collected by apheresis (HPC-A) was investigated in this nested case-control study as a factor associated with delayed neutrophil recovery following aHSCT.

Methods: Among patients with lymphoma who underwent aHSCT between 2000 and 2007 (n = 326), 13 cases of primary delayed neutrophil recovery and 22 age- and sex-matched controls were identified.

Mobilization of circulating vascular progenitors in cancer patients receiving external beam radiation in response to tissue injury.

Purpose: Endothelial-like vascular progenitor cells (VPCs) are associated with the repair of ischemic tissue injury in several clinical settings. Because the endothelium is a principal target of radiation injury, VPCs may be important in limiting toxicity associated with radiotherapy (RT) in patients with cancer.

Methods And Materials: We studied 30 patients undergoing RT for skin cancer (n = 5), head-and-neck cancer (n = 15), and prostate cancer (n = 10) prospectively, representing a wide range of irradiated mucosal volumes.

Increased plasma EPO and MIP-1 alpha are associated with recruitment of vascular progenitors but not CD34(+) cells in autologous peripheral blood stem cell grafts.

Objective: Increased levels of endothelial-like vascular progenitor cells (VPCs) in peripheral blood stem cell (PBSC) products have been associated with reduced transplant-related toxicity following autologous hematopoietic stem cell transplantation. In this study, a panel of angiogenic and inflammatory plasma proteins were quantitatively analyzed in patients undergoing PBSC collection for autologous hematopoietic stem cell transplantation to identify profiles associated with greater VPC recruitment.

Materials And Methods: A panel of 16 candidate plasma factors were quantified using multianalyte fluorescence and/or enzyme-linked immunosorbent assay.

Reduced hemoglobin on day of peripheral blood progenitor cell collection is associated with low graft content of vascular progenitors and increased toxicity after autologous hematopoietic stem cell transplantation.

Background: Tissue damage after hematopoietic stem cell transplantation (HSCT) occurs as a result of high-dose chemotherapy and radiation. The aim was to determine the importance of pretransplant anemia on toxicity and red blood cell (RBC) transfusion requirements after autologous HSCT.

Study Design And Methods: A total of 350 patients undergoing autologous HSCT were included in the analysis.

Increased graft content of vascular progenitor cells is associated with reduced toxicity following autologous hematopoietic transplantation.

Objective: Endothelial-like vascular progenitor cells (VPCs) can be collected in peripheral blood stem cell (PBSC) products that are used in hematopoietic stem cell transplantation (HSCT). The association between VPCs in PBSC products and transplant-related toxicity caused by high-dose chemo/radiotherapy was assessed to identify potential mediators of vascular repair.

Materials And Methods: PBSC grafts in 29 patients (mean age: 48 years; range, 20-67 years) undergoing autologous HSCT were analyzed using a cell culture assay for VPC cluster formation in fibronectin-coated dishes in serum-rich angiogenic conditions.