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Biopreservation and Biobanking

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https://www.readbyqxmd.com/read/28829621/improvement-of-a-simple-and-cost-effective-passive-cooling-rate-controlled-device-for-cell-tissue-cryopreservation
#1
Yu Huang, Jianye Wang, Xiaoming Zhou, Ji Peng, Zhengliang Zhang, Lingxiao Shen, Frankliu Gao, Yunxia Cao
The currently used commercial cooling-rate control device is the liquid nitrogen controlled rate freezer (LNF), which has some shortcomings such as high cost, high liquid nitrogen consumption, and potential operational risks in quality control. Based on thermophysical properties of new materials, we improved, manufactured, and optimized a reliable yet simple device named the "passive cooling rate-controlled device (PCD)" with real-time temperature tracing. In this study, using the improved PCD we cryopreserved human umbilical vein endothelial cells (HUVECs) and compared the results with a standard commercial CryoMed LNF...
August 22, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28820614/protective-effects-of-cryoprotectants-and-lyoprotectants-on-the-survival-of-persipeptide-producing-streptomyces-zagrosensis-utmc-1154
#2
Fatemeh Mohammadipanah, Leila Parvizi, Javad Hamedi, Farzaneh Azizmohseni
Streptomyces sp. are bacteria recognized as the producers of more than half of the known bioactive compounds. Developing appropriate preservation methods for industrial strains of Streptomyces is necessary, as continuous subculture could have significant negative effects on their characteristics, including their potential to produce secondary metabolites. The effects of two common preservation methods on a bioactive metabolite producer, Streptomyces zagrosensis UTMC 1154, were studied. In the cryopreservation method, glycerol and dimethyl sulfoxide (DMSO) were evaluated as cryoprotectants...
August 18, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28805449/stallion-sperm-cryopreservation-using-various-permeating-agents-interplay-between-concentration-and-cooling-rate
#3
Harriëtte Oldenhof, Judith Bigalk, Christiane Hettel, Lawrence de Oliveira Barros, Bulat Sydykov, Árpád Cs Bajcsy, Harald Sieme, Willem F Wolkers
In this study, modeling and experimental approaches were used to investigate the interplay between cooling rate and protectant concentration for cryopreservation of stallion sperm. Glycerol (GLY), ethylene glycol (EG), dimethylformamide (DMF), propylene glycol (PG), and dimethyl sulfoxide (DMSO) were tested as cryoprotective agents (CPAs), using concentrations up to 1500 mM and cooling rates ranging from 5°C to 55°C min(-1). Modeling of the extent of sperm dehydration during freezing was done using previously determined values of the sperm membrane permeability to water to predict optimal cooling rates for cryopreservation...
August 14, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28783479/determination-of-dielectric-properties-of-cryoprotective-agent-solutions-with-a-resonant-cavity-for-the-electromagnetic-rewarming-in-cryopreservation
#4
Jiaji Pan, Zhiquan Shu, Shen Ren, Dayong Gao
In the rewarming process during cryopreservation, preventing ice recrystallization and thermal stress is important, especially for large tissues and organs. Uniform and rapid heating is essential in ameliorating the problem and maintaining the viability of cryopreserved biological samples. Currently, the most promising method is heating by application of electromagnetic (EM) waves, the effectiveness of which is dependent on the dielectric properties (DP) of the cryopreserved materials. In this work, the cavity perturbation method was adopted to measure the DP of cryoprotectant solutions...
August 7, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28745913/a-dry-method-for-preserving-tear-protein-samples
#5
Weiwei Qin, Chan Zhao, Linpei Zhang, Ting Wang, Youhe Gao
Tears covering the ocular surface are important biofluids containing thousands of molecules, including proteins, lipids, metabolites, nucleic acids, and electrolytes. Tears are valuable resources for biomarker research of ocular and even systemic diseases. For application in biomarker studies, tear samples should ideally be stored using a simple, lowcost, and efficient method along with the patient's medical records. For this purpose, we developed a novel Schirmer's strip-based dry method that allows for storage of tear samples in vacuum bags at room temperature...
July 26, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28686464/the-influence-of-liquids-on-the-mechanical-properties-of-allografts-in-bone-impaction-grafting
#6
David Putzer, Christoph Gert Ammann, Débora Coraça-Huber, Ricarda Lechner, Werner Schmölz, Michael Nogler
Allografts are used to compensate for bone defects resulting from revision surgery, tumor surgery, and reconstructive bone surgery. Although it is well known that the reduction of fat content of allografts increases mechanical properties, the content of liquids with a known grain size distribution has not been assessed so far. The aim of the study was to compare the mechanical properties of dried allografts (DA) with allografts mixed with a saline solution (ASS) and with allografts mixed with blood (AB) having a similar grain size distribution...
July 7, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28792843/the-final-common-rule-implications-for-biobanks
#7
Marianna J Bledsoe
No abstract text is available yet for this article.
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28741961/iso-tc276-wg2-biobanks-and-bioresources-draft-international-standard-is-now-available-for-comment
#8
Clare M Allocca, Marianna J Bledsoe, Koh Furuta, Nilsa C Ramirez
No abstract text is available yet for this article.
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28594242/attitudes-and-perceptions-of-cancer-patients-toward-biospecimen-donation-for-cancer-research-a-cross-sectional-survey-among-chinese-cancer-patients
#9
Na He, Yan Guo, Min He, Wanmin Qiang, Haixin Li
BACKGROUND: High-quality biospecimen collection from consented patients is crucial for cancer research activities. Patients' attitudes and willingness toward specimen donation influence high-quality biospecimen collection for cancer research activities. METHODS: We carried out a cross-sectional study among randomly selected patients from 11 cancer departments of Tianjin Medical University Cancer Institute and Hospital between August 2014 and August 2015. A total of 784 patients were included to complete a 30-item self-administered survey...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28586236/inspecting-targeted-deep-sequencing-of-whole-genome-amplified-dna-versus-fresh-dna-for-somatic-mutation-detection-a-genetic-study-in-myelodysplastic-syndrome-patients
#10
Laura Palomo, Francisco Fuster-Tormo, Daniel Alvira, Vera Ademà, María Pilar Armengol, Paula Gómez-Marzo, Nuri de Haro, Mar Mallo, Blanca Xicoy, Lurdes Zamora, Francesc Solé
Whole genome amplification (WGA) has become an invaluable method for preserving limited samples of precious stock material and has been used during the past years as an alternative tool to increase the amount of DNA before library preparation for next-generation sequencing. Myelodysplastic syndromes (MDS) are a group of clonal hematopoietic stem cell disorders characterized by presenting somatic mutations in several myeloid-related genes. In this work, targeted deep sequencing has been performed on four paired fresh DNA and WGA DNA samples from bone marrow of MDS patients, to assess the feasibility of using WGA DNA for detecting somatic mutations...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28574760/targeting-future-customers-an-introductory-biobanking-course-for-undergraduate-students-of-life-sciences
#11
Ahmed Samir Abdelhafiz, Merhan Ahmed Fouda, Shaimaa Ibrahim El-Jaafary, Maysa Ibrahim Farghly, Mazen Salem, Ahmed Tammam, Hala Gabr
INTRODUCTION: Biobanking is a relatively new concept in the Arab region. Targeting different stakeholders to introduce the concept of biobanking and develop an acceptance of it among them is important for the growth of biobanking in the region. Undergraduate students of life sciences represent an important segment of stakeholders, since they constitute potential future biobank customers. Limited funding, lack of awareness of the existence of the term "biobanking" itself among these students, and questions regarding best marketing strategies presented challenges to planning for the most effective message delivery to this target group...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28541714/a-multivariate-evaluation-of-factors-affecting-the-quality-of-freshly-frozen-tissue-specimens
#12
Tong-Hong Wang, Chin-Chuan Chen, Kung-Hao Liang, Chi-Yuan Chen, Wen-Yu Chuang, Shir-Hwa Ueng, Pao-Hsien Chu, Chung-Guei Huang, Tse-Ching Chen, Chuen Hsueh
Well-prepared and preserved freshly frozen specimens are indispensable materials for clinical studies. To manage specimen quality and to understand the factors potentially affecting specimen quality during preservation processes, we analyzed the quality of RNA and genomic DNA of various tissues collected between 2002 and 2011 in Linkou Chang Gung Memorial Hospital, Taiwan. During this period, a total of 1059 freshly frozen specimens from eight major cancer categories were examined. It was found that preservation duration, organ origin, and tissue type could all influence the quality of RNA samples...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28441039/high-throughput-processing-to-preserve-viable-cells-a-precision-medicine-initiative-cohort-program-workshop
#13
Rebekah S Rasooly, Daniel R Gossett, Marianne K Henderson, Allison Hubel, Stephen N Thibodeau
Conventionally, biobanks supporting clinical research studies have preserved serum, plasma, urine, saliva, a variety of tissue types, and stool. With the emergence of increasingly sophisticated technologies for analyzing single cells, there is growing interest in preserving viable blood cells for future functional studies. The new All of Us Research Program (formerly the Precision Medicine Initiative Cohort Program) biobank plans to house samples from a million or more individuals as part of a cohort with rich phenotypic data and longitudinal follow-up ( www...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28426236/rna-extracted-from-formalin-fixed-paraffin-embedded-renal-biopsy-biospecimens-an-evaluation-of-alternative-extraction-kits-and-the-effects-of-storage-time
#14
Yinghui Lu, Mingchao Zhang, Qi Jiang, Ru Yin, Ping Zhu, Hongtian Wang, Zhihong Liu, Chunxia Zheng
No abstract text is available yet for this article.
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28398809/tagging-of-test-tubes-with-electronic-p-chips-for-use-in-biorepositories
#15
Wlodek Mandecki, Wesley M Kopacka, Ziye Qian, Von Ertwine, Katie Gedzberg, Maryann Gruda, David Reinhardt, Efrain Rodriguez
A system has been developed to electronically tag and track test tubes used in biorepositories. The system is based on a light-activated microtransponder, also known as a "p-Chip." One of the pressing problems with storing and retrieving biological samples at low temperatures is the difficulty of reliably reading the identification (ID) number that links each storage tube with the database containing sample details. Commonly used barcodes are not always reliable at low temperatures because of poor adhesion of the label to the test tube and problems with reading under conditions of frost and ice accumulation...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28398808/isolation-methods-of-peripheral-blood-mononuclear-cells-in-spanish-biobanks-an-overview
#16
Irene Consuegra, Clara Rodríguez-Aierbe, Inés Santiuste, Anna Bosch, Rosario Martínez-Marín, Ma Antonia Fortuto, Tatiana Díaz, Salvador Martí, Ma Ángeles Muñoz-Fernández
The Spanish Hematic Derivatives Group, consisting of 26 biobanks, was established in 2011. We describe here the viability results of our publically available standard operating procedure to freeze and thaw peripheral blood mononuclear cells (PBMCs). Our protocol maximizes PBMC viability while avoiding where possible interbiobank and intrabiobank assay variability.
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28394173/sheep-isolated-secondary-follicles-are-able-to-produce-metaphase-ii-oocytes-after-vitrification-and-long-term-in-vitro-growth
#17
Franciele Osmarini Lunardi, Francisco Leo Nascimento de Aguiar, Livia Brunetti Apolloni, Ana Beatriz Graça Duarte, Naiza Arcângela Ribeiro de Sá, Érica Suzanne Soares Leal, Antonia Debora Sales, Carlos Henrique Lobo, Cláudio Cabral Campello, Johan Smitz, Gary Allen Apgar, José Ricardo de Figueiredo, Ana Paula Ribeiro Rodrigues
The vitrification of preantral follicles followed by in vitro growth (IVG) could be valuable to produce fertilizable oocytes. However, the meiotic resumption rates of oocytes cultured from vitrified secondary follicles (SF) have been reported as suboptimal. This study aimed to verify two base media (alpha modification of minimum essential medium, α-MEM, and tissue culture medium 199, TCM199) on vitrified SF regarding different requirements during IVG. Sheep ovarian fragments were divided in six groups: (1) Fresh groups (Control α-MEM and TCM199): SF without vitrification; (2) Follicle-Vitrified (Follicle-Vit α-MEM and TCM199): SF vitrified after isolation; and (3) Tissue-Vitrified (Tissue-Vit α-MEM and TCM199): SF vitrified enclosed in ovarian fragments and, subsequently, isolated...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28388226/a-review-of-research-grade-human-induced-pluripotent-stem-cells-qualification-and-biobanking-processes
#18
Aikaterini Ntai, Simona Baronchelli, Alberto La Spada, Anna Moles, Alessandro Guffanti, Pasquale De Blasio, Ida Biunno
Human induced pluripotent stem cell (hiPSC) biobanks are invaluable resources for basic and clinical research, since they provide a sustainable supply of accessible cell lines that meet high quality and safety standards. hiPSCs are particularly useful for understanding disease mechanisms, creating cell models for drug development, and generating novel clinical therapies. For clinical applications and drug discovery, it is fundamental that the acquired pluripotent cell lines never touch animal-derived products nor xenogeneic reagents (Good Manufacturing Practice-grade); whereas for research grade, it is sufficient to operate under Good Laboratory Practice conditions...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28380303/conception-and-implementation-of-an-austrian-biobank-directory-integration-framework
#19
Philipp Hofer-Picout, Horst Pichler, Johann Eder, Sabrina B Neururer, Heimo Müller, Robert Reihs, Petr Holub, Thomas Insam, Georg Goebel
INTRODUCTION: Sample collections and data are hosted within different biobanks at diverse institutions across Europe. Our data integration framework aims at incorporating data about sample collections from different biobanks into a common research infrastructure, facilitating researchers' abilities to obtain high-quality samples to conduct their research. The resulting information must be locally gathered and distributed to searchable higher level information biobank directories to maximize the visibility on the national and European levels...
August 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28328240/insights-on-cryopreserved-sheep-fibroblasts-by-cryomicroscopy-and-gene-expression-analysis
#20
Antonella Idda, Daniela Bebbere, Giuseppina Corona, Laura Masala, Elisa Casula, Alberto Cincotti, Sergio Ledda
Cryopreservation includes a set of techniques aimed at storing biological samples and preserving their biochemical and functional features without any significant alterations. This study set out to investigate the effects induced by cryopreservation on cultured sheepskin fibroblasts (CSSF) through cryomicroscopy and gene expression analysis after subsequent in vitro culture. CSSF cells were cryopreserved in a cryomicroscope (CM) or in a straw programmable freezer (SPF) using a similar thermal profile (cooling rate -5°C/min to -120°C, then -150°C/min to -196°C)...
August 2017: Biopreservation and Biobanking
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