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https://www.readbyqxmd.com/read/28641947/effectiveness-of-human-spermatozoa-biomarkers-as-indicators-of-structural-damage-during-cryopreservation
#1
María José Gómez-Torres, Llanos Medrano, Alejandro Romero, Pedro José Fernández-Colom, Jon Aizpurúa
Human spermatozoa cryopreservation techniques are used to maintain and protect male fertility in cases such as infertility and malignancy treatments. However, during cryopreservation, the spermatozoa's metabolic rate is reduced and they undergo dramatic functional and structural changes owing to exposure to cryoprotectants and freezing-thawing procedures. While the effects of cryopreservation on cells are documented, to date the induced cryodamage on structural and/or functional sperm biomarkers is not well established at multivariate scale...
June 19, 2017: Cryobiology
https://www.readbyqxmd.com/read/28640957/restoration-of-cutaneous-pigmentation-by-transplantation-to-mice-of-isogeneic-human-melanocytes-in-dermal-epidermal-engineered-skin-substitutes
#2
Steven T Boyce, Christopher M Lloyd, Mark C Kleiner, Viki B Swope, Zalfa Abdel-Malek, Dorothy M Supp
Autologous engineered skin substitutes (ESS) containing melanocytes (hM) may restore pigmentation, and photoprotection after grafting to full-thickness skin wounds. In the current study, normal hM were isolated from discard skin, propagated with or without tyrosinase inhibitors, cryopreserved, recovered into culture, and added to ESS (ESS-P) before transplantation. ESS-P were incubated in either UCMC160/161 or UCDM1 medium, scored for hM densities, and grafted to mice. The results showed that: sufficient hM can be propagated to expand donor tissue by 100-fold; incubation of hM in tyrosinase inhibitors reduced pigment levels but did not change hM recovery after cryopreservation; hM densities in ESS-P were greater after incubation in UCDM1 than UCMC160 medium; hM were localized to the dermal-epidermal junction of ESS-P; and UCDM1 medium promoted earlier pigment distribution and density...
June 22, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28640792/alloimmunization-after-cryopreserved-arterial-allografts-in-a-patient-on-a-kidney-transplantation-waiting-list
#3
Cyril Garrouste, Eugenio Rosset, Fabienne Quainon, Julien Aniort, Anne Elisabeth Heng
No abstract text is available yet for this article.
July 2017: Transplantation
https://www.readbyqxmd.com/read/28639180/initial-maternal-serum-human-chorionic-gonadotropin-levels-in-pregnancies-achieved-after-assisted-reproductive-technology-are-higher-after-preimplantation-genetic-screening-and-after-frozen-embryo-transfer-a-retrospective-cohort
#4
Elie Hobeika, Sonali Singh, Shaveta Malik, Eric S Knochenhauer, Michael L Traub
PURPOSE: Few published articles have compared initial hCG values across all different types of ART cycles, including cycles with fresh or frozen embryo transfer. No articles have compared initial hCG values in cycles utilizing preimplantation genetic screening (PGS). The purpose of this study is to compare initial hCG values after fresh embryo transfer, frozen embryo transfer, and after PGS. METHODS: This was a single-center retrospective cohort study at an academically affiliated private IVF center...
June 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28637512/single-or-double-unit-ucbt-following-ric-in-adults-with-al-a-report-from-eurocord-the-alwp-and-the-ctiwp-of-the-ebmt
#5
Frédéric Baron, Annalisa Ruggeri, Eric Beohou, Myriam Labopin, Mohamad Mohty, Didier Blaise, Jan J Cornelissen, Patrice Chevallier, Guillermo Sanz, Eefke Petersen, Bipin N Savani, Eliane Gluckman, Arnon Nagler
BACKGROUND: The feasibility of cord blood transplantation (CBT) in adults is limited by the relatively low number of hematopoietic stem/progenitor cells contained in one single CB unit. The infusion of two CB units from different partially HLA-matched donors (double CBT) is frequently performed in patients who lack a sufficiently rich single CB unit. METHODS: We compared CBT outcomes in patients given single or double CBT following reduced-intensity conditioning (RIC) in a retrospective multicenter registry-based study...
June 21, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28637085/successful-delivery-derived-from-cryopreserved-rare-human-spermatozoa-with-novel-cryopiece
#6
J Sun, W Chen, L Zhou, J Hu, Z Li, Z Zhang, Y Wu
Herein, we report the clinical outcomes following intracytoplasmic sperm injection (ICSI) with cryopiece cryopreserved rare human spermatozoa from severe male factor infertility patients. We established a novel cryopiece system on the basis of previous studies. In this study, 126 spermatozoa from four patients with non-obstructiveazoospermia (NOA) or severe oligozoospermia were stored in cryopiece and then thawed on the day of the oocyte retrieval, 88 (83%) spermatozoa were recovered with a 47.5% (38 of 80) motile rate...
June 21, 2017: Andrology
https://www.readbyqxmd.com/read/28633287/genetic-diseases-and-aneuploidies-can-be-detected-with-a-single-blastocyst-biopsy-a-successful-clinical-approach
#7
Maria Giulia Minasi, Francesco Fiorentino, Alessandra Ruberti, Anil Biricik, Elisabetta Cursio, Ettore Cotroneo, Maria Teresa Varricchio, Matteo Surdo, Francesca Spinella, Ermanno Greco
STUDY QUESTION: Can simultaneous detection of aneuploidies and genetic diseases or chromosomal aberrations in blastocysts reduce the chance of transferring embryos with low implantation potential, guaranteeing good clinical outcomes? SUMMARY ANSWER: The screening for chromosomal aneuploidies revealed that 50.6% of blastocysts diagnosed free of genetic disease or balanced, were aneuploid, therefore avoiding the transfer of blastocysts potentially resulting in implantation failures, miscarriages, or in some cases, in health affected live births...
June 12, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28631074/no-difference-in-mitochondrial-distribution-is-observed-in-human-oocytes-after-cryopreservation
#8
Martin Stimpfel, Eda Vrtacnik-Bokal, Irma Virant-Klun
PURPOSE: The primary aim of this study was to determine if any difference in mitochondrial distribution can be observed between fresh and cryopreserved (slow-frozen/thawed and vitrified/warmed) oocytes when oocytes are stained with Mitotracker Red CMXRos and observed under a conventional fluorescent microscope. Additionally, the influence of cryopreservation procedure on the viable rates of oocytes at different maturation stages was evaluated. METHODS: The germinal vesicle (GV) and MII oocytes were cryopreserved with slow-freezing and vitrification...
June 19, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28629733/an-optimized-protocol-for-the-generation-and-functional-analysis-of-human-mast-cells-from-cd34-enriched-cell-populations
#9
Yuzhi Yin, Yun Bai, Ana Olivera, Avanti Desai, Dean D Metcalfe
The culture of mast cells from human tissues such a cord blood, peripheral blood or bone marrow aspirates has advanced our understanding of human mast cells (huMC) degranulation, mediator production and response to pharmacologic agents. However, existing methods for huMC culture tend to be laborious and expensive. Combining technical approaches from several of these protocols, we designed a simplified and more cost effective approach to the culture of mast cells from human cell populations including peripheral blood and cryopreserved cells from lymphocytapheresis...
June 16, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28629655/protocols-for-sperm-cryopreservation-in-the-domestic-cat-a-review
#10
REVIEW
K Buranaamnuay
The main objectives of sperm cryopreservation in domestic cats are to preserve these gametes for future use, especially in valuable domestic cat breeds and to use knowledge-gained for developing sperm preservation techniques in wild felids that are threatened with extinction. To achieve acceptable quality of post-thaw sperm and results after insemination, sperm samples must be properly handled, cryopreserved and thawed by using appropriate protocols. In this paper, cryopreservation protocols of domestic cat sperm that have been reported previously are described...
June 13, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28629583/ex%C3%A2-vivo-retrieval-and-cryopreservation-of-oocytes-from-oophorectomized-specimens-for-fertility-preservation-in-a-brca1-mutation-carrier-with-ovarian-cancer
#11
Nigel Pereira, Andrea G Hubschmann, Jovana P Lekovich, Glenn L Schattman, Zev Rosenwaks
OBJECTIVE: To report a case of ex vivo oocyte retrieval from oophorectomized specimens in a BRCA1 mutation carrier undergoing surgical staging for ovarian cancer. DESIGN: Video case report and literature review. SETTING: University-affiliated center. PATIENT(S): A 37-year-old single woman, gravida 0, with a known BRCA1 mutation, presented to her oncologist with a complex right ovarian mass and elevated CA-125 level...
June 16, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28629185/leptadenia-reticulata-retz-wight-arn-jivanti-botanical-agronomical-phytochemical-pharmacological-and-biotechnological-aspects
#12
REVIEW
Sudipta Kumar Mohanty, Mallappa Kumara Swamy, Uma Rani Sinniah, Maniyam Anuradha
Leptadenia reticulata (Retz.) Wight & Arn. (Apocynaceae), is a traditional medicinal plant species widely used to treat various ailments such as tuberculosis, hematopoiesis, emaciation, cough, dyspnea, fever, burning sensation, night blindness, cancer, and dysentery. In Ayurveda, it is known for its revitalizing, rejuvenating, and lactogenic properties. This plant is one of the major ingredients in many commercial herbal formulations, including Speman, Envirocare, Calshakti, Antisept, and Chyawanprash. The therapeutic potential of this herb is because of the presence of diverse bioactive compounds such as α-amyrin, β-amyrin, ferulic acid, luteolin, diosmetin, rutin, β-sitosterol, stigmasterol, hentricontanol, a triterpene alcohol simiarenol, apigenin, reticulin, deniculatin, and leptaculatin...
June 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28628010/-the-main-stages-of-the-preparation-of-viable-tumor-cells-of-bladder-cancer-from-isolation-of-the-tumor-material-till-cryopreservation-of-cell-lines
#13
T Slavyanskaya, S -Salnikova
The development of personalized autologous dendritic cell anti-tumor vaccines (PDPW) against bladder cancer (BC) is a relevant issue that covers many aspects required for its standardization. The article presents personal experimental studies related to development of optimal conditions of transportation of biological material; temperature and temporary modes for the storage of the samples; the materials about the optimal method of disaggregation of the biomaterial; there has been shown a comparative analysis of different methods of tumor disaggregation; the selection of nutritious growth mediums and growth factors for urothelial carcinoma cells (UCC), the conditions of cryopreservation of tumor cells for maximum UCC viability, potentially suitable for creating PDPW against BC...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28626094/-effect-of-trehalose-on-survival-rate-for-%C3%A2-fat-cells-after-cryopreservation
#14
Ying Deng, Shaoqian Liu, Hongju Xie, Fangfang Tang, Ming Li, Nian Chen
To explore effects of trehalose as a cryopreserve agent on survival rate of fatty tissue after cryopreservation.
 Methods: The liposuction was used on the abdomen of adult female. After centrifugation and purification, adipose was randomized into the following three groups, the trehalose group, the fetal bovine serum (FBS)+10%DMSO group and the physiological saline group. The specimens were cryopreserved at -196 ℃ for 3 months and then the HE staining, glucose transfer method and CK method were used to detect the cell survival rate in each group...
May 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28625123/role-of-the-n-acetylation-polymorphism-in-solithromycin-metabolism
#15
David W Hein, Mark A Doll
AIM: Solithromycin is a new macrolide antibiotic for the potential treatment of bacterial pneumonia. MATERIALS & METHODS: Solithromycin N-acetylation by human NAT1 and NAT2 was investigated following recombinant expression in yeast and in cryopreserved human hepatocytes from rapid, intermediate and slow acetylators. RESULTS: Solithromycin exhibited over twofold higher affinity for recombinant human NAT2 than NAT1. Apparent maximum velocities for the N-acetylation of solithromycin catalyzed by the NAT2 allozyme associated with rapid acetylators were significantly (p < 0...
June 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28622464/the-impact-of-drugs-on-male-fertility-a-review
#16
REVIEW
M Semet, M Paci, J Saïas-Magnan, C Metzler-Guillemain, R Boissier, H Lejeune, J Perrin
Beside cytotoxic drugs, other drugs can impact men's fertility through various mechanisms. Via the modification of the hypothalamic-pituitary-gonadal axis hormones or by non-hormonal mechanisms, drugs may directly and indirectly induce sexual dysfunction and spermatogenesis impairment and alteration of epididymal maturation. This systematic literature review summarizes existing data about the negative impact and associations of pharmacological treatments on male fertility (excluding cytotoxic drugs), with a view to making these data more readily available for medical staff...
June 16, 2017: Andrology
https://www.readbyqxmd.com/read/28609276/social-oocyte-cryopreservation-a-portrayal-of-brazilian-women
#17
Elisangela V Espirito Santo, Felipe Dieamant, Claudia G Petersen, Ana L Mauri, Laura D Vagnini, Adriana Renzi, Camila Zamara, João Batista A Oliveira, Ricardo L R Baruffi, José G Franco
OBJECTIVE: This study aimed to determine what Brazilian childless women of reproductive age think about oocyte cryopreservation to postpone pregnancy and their reasons for performing or not performing this procedure. METHODS: Women of reproductive age were randomly selected from the general population using different e-mail lists and were invited to participate in the study by completing an online web survey regarding social oocyte cryopreservation. The survey was also distributed through social media to women of reproductive age...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28609269/corifollitropin-alfa-compared-to-daily-rfsh-or-hp-hmg-in-gnrh-antagonist-controlled-ovarian-stimulation-protocol-for-patients-undergoing-assisted-reproduction
#18
Priscila Morais Galvão Souza, Bruno Ramalho de Carvalho, Hitomi Miura Nakagawa, Thalita Reis Esselin Rassi, Antônio César Paes Barbosa, Adelino Amaral Silva
OBJECTIVE: This study aimed to compare the outcomes of controlled ovarian stimulation (COS) with corifollitropin alfa versus daily recombinant follicle-stimulating hormone (rRFSH) or highly purified human menopausal gonadotropin (HP-HMG) in patients undergoing in vitro fertilization (IVF) cycles based on gonadotropin-releasing hormone (GnRH) antagonist protocols. The primary endpoints were total number of oocytes and mature oocytes. METHODS: This retrospective study looked into 132 controlled ovarian stimulation cycles from IVF or oocyte cryopreservation performed in a private human reproduction center between January 1 and December 31, 2014...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28609003/preanalytic-specimen-triage-smears-cell-blocks-cytospin-preparations-transport-media-and-cytobanking
#19
Gilda da Cunha Santos, Mauro A Saieg
With increasing requests for the evaluation of prognostic and predictive molecular biomarkers, great attention must be paid to the preanalytical issues regarding sample quality and DNA/RNA yield from all different types of cytological preparations. The objectives of this review were: 1) to provide an update regarding the importance of specimen triage as well as specimen handling and collection; 2) to discuss the different cell preparations that can be used for molecular testing, their advantages and limitations; and 3) to highlight the strategies for biobanking cytology samples...
June 2017: Cancer
https://www.readbyqxmd.com/read/28608609/artificial-insemination-with-frozen-thawed-boar-sperm
#20
REVIEW
Marc Yeste, Joan E Rodríguez-Gil, Sergi Bonet
Artificial insemination with frozen-thawed semen in pigs is not a routine technique; its use is restricted to specific cases, such as preservation of valuable genetic material (germplasm banks), safety strategies in case of natural disasters, long-distance transport of sperm, and in combination with sex-sorting. Cryoinjuries resulting from freeze-thawing protocols are a major concern with regard to the fertilization capacity of the treated sperm, which is lower than that of liquid-stored semen. Here we provide an overview of artificial insemination using cryopreserved sperm, and summarize the factors that influence cryopreservation success before, during, and after freeze-thaw (i...
June 13, 2017: Molecular Reproduction and Development
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