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https://www.readbyqxmd.com/read/28938751/new-permeable-cryoprotectant-free-vitrification-method-for-native-human-sperm
#1
J Aizpurua, L Medrano, M Enciso, J Sarasa, A Romero, M A Fernández, M J Gómez-Torres
STUDY QUESTION: Is permeable cryoprotectant-free vitrification of native sperm samples a good alternative to conventional slow freezing? SUMMARY ANSWER: The permeable cryoprotectant-free sperm vitrification protocol tested in this study renders considerably better recovery rates of good quality sperm compared to slow freezing. WHAT IS KNOWN ALREADY: Slow freezing is currently the most commonly used technique for sperm cryopreservation, though this method has been repeatedly shown to have negative effects on both structural and functional sperm features...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938750/allowable-warm-ischemic-time-and-morphological-and-biochemical-changes-in-uterine-ischemia-reperfusion-injury-in-cynomolgus-macaque-a-basic-study-for-uterus-transplantation
#2
Iori Kisu, Kiyoko Umeneo, Masataka Adachi, Katsura Emoto, Yuya Nogami, Kouji Banno, Iori Itagaki, Ikuo Kawamoto, Takahiro Nakagawa, Hayato Narita, Atsushi Yoshida, Hideaki Tsuchiya, Kazumasa Ogasawara, Daisuke Aoki
STUDY QUESTION: How long is the allowable warm ischemic time of the uterus and what morphological and biochemical changes are caused by uterine ischemia/reperfusion injury in cynomolgus macaques? SUMMARY ANSWER: Warm ischemia in the uterus of cynomolgus macaques is tolerated for up to 4 h and reperfusion after uterine ischemia caused no further morphological and biochemical changes. WHAT IS KNOWN ALREADY: Uterus transplantation is a potential option for women with uterine factor infertility...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938748/random-start-ovarian-stimulation-for-fertility-preservation-appears-unlikely-to-delay-initiation-of-neoadjuvant-chemotherapy-for-breast-cancer
#3
Joseph M Letourneau, Nikita Sinha, Kaitlyn Wald, Eve Harris, Molly Quinn, Tal Imbar, Evelyn Mok-Lin, A Jo Chien, Mitchell Rosen
STUDY QUESTION: Is random start ovarian stimulation associated with delays in initiation of neoadjuvant chemotherapy for breast cancer? SUMMARY ANSWER: Among women who complete fertility preservation (FP) consultation, random start ovarian stimulation is unlikely to delay time to initiation of neoadjuvant chemotherapy start. WHAT IS KNOWN ALREADY: Neoadjuvant chemotherapy is now a widely accepted treatment modality for operable breast cancer and random start ovarian stimulation is an increasingly-utilized modality for FP...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938747/prevalence-of-endocrine-and-genetic-abnormalities-in-boys-evaluated-systematically-for-a-disorder-of-sex-development
#4
R Nixon, V Cerqueira, A Kyriakou, A Lucas-Herald, J McNeilly, M McMillan, A I Purvis, E S Tobias, R McGowan, S F Ahmed
STUDY QUESTION: What is the likelihood of identifying genetic or endocrine abnormalities in a group of boys with 46, XY who present to a specialist clinic with a suspected disorder of sex development (DSD)? SUMMARY ANSWER: An endocrine abnormality of the gonadal axis may be present in a quarter of cases and copy number variants (CNVs) or single gene variants may be present in about half of the cases. WHAT IS KNOWN ALREADY: Evaluation of 46, XY DSD requires a combination of endocrine and genetic tests but the prevalence of these abnormalities in a sufficiently large group of boys presenting to one specialist multidisciplinary service is unclear...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938744/an-improved-ivm-method-for-cumulus-oocyte-complexes-from-small-follicles-in-polycystic-ovary-syndrome-patients-enhances-oocyte-competence-and-embryo-yield
#5
F Sánchez, F Lolicato, S Romero, M De Vos, H Van Ranst, G Verheyen, E Anckaert, J E J Smitz
STUDY QUESTION: Are meiotic and developmental competence of human oocytes from small (2-8 mm) antral follicles improved by applying an optimized IVM method involving a prematuration step in presence of C-Type Natriuretic Peptide (CNP) followed by a maturation step in presence of FSH and Amphiregulin (AREG)? SUMMARY ANSWER: A strategy involving prematuration culture (PMC) in the presence of CNP followed by IVM using FSH + AREG increases oocyte maturation potential leading to a higher availability of Day 3 embryos and good-quality blastocysts for single embryo transfer...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938740/selective-outcome-reporting-and-sponsorship-in-randomized-controlled-trials-in-ivf-and-icsi
#6
M Braakhekke, I Scholten, F Mol, J Limpens, B W Mol, F van der Veen
STUDY QUESTION: Are randomized controlled trials (RCTs) on IVF and ICSI subject to selective outcome reporting and is this related to sponsorship? SUMMARY ANSWER: There are inconsistencies, independent from sponsorship, in the reporting of primary outcome measures in the majority of IVF and ICSI trials, indicating selective outcome reporting. WHAT IS KNOWN ALREADY: RCTs are subject to bias at various levels. Of these biases, selective outcome reporting is particularly relevant to IVF and ICSI trials since there is a wide variety of outcome measures to choose from...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938739/sequence-variants-of-khdrbs1-as-high-penetrance-susceptibility-risks-for-primary-ovarian-insufficiency-by-mis-regulating-mrna-alternative-splicing
#7
Binbin Wang, Lin Li, Ying Zhu, Wei Zhang, Xi Wang, Beili Chen, Tengyan Li, Hong Pan, Jing Wang, Kehkooi Kee, Yunxia Cao
STUDY QUESTION: Does a novel heterozygous KHDRBS1 variant, identified using whole-exome sequencing (WES) in two patients with primary ovarian insufficiency (POI) in a pedigree, cause defects in mRNA alternative splicing? SUMMARY ANSWER: The heterozygous variant of KHDRBS1 was confirmed to cause defects in alternative splicing of many genes involved in DNA replication and repair. WHAT IS KNOWN ALREADY: Studies in mice revealed that Khdrbs1 deficient females are subfertile, which manifests as delayed sexual maturity and significantly reduced numbers of secondary and pre-antral follicles...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938734/hyperspectral-microscopy-can-detect-metabolic-heterogeneity-within-bovine-post-compaction-embryos-incubated-under-two-oxygen-concentrations-7-versus-20
#8
Melanie L Sutton-McDowall, Martin Gosnell, Ayad G Anwer, Melissa White, Malcolm Purdey, Andrew D Abell, Ewa M Goldys, Jeremy G Thompson
STUDY QUESTION: Can we separate embryos cultured under either 7% or 20% oxygen atmospheres by measuring their metabolic heterogeneity? SUMMARY ANSWER: Metabolic heterogeneity and changes in metabolic profiles in morula exposed to two different oxygen concentrations were not detectable using traditional fluorophore and two-channel autofluorescence but were detectable using hyperspectral microscopy. WHAT IS KNOWN ALREADY: Increased genetic and morphological blastomere heterogeneity is associated with compromised developmental competence of embryos and currently forms the basis for embryo scoring within the clinic...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938731/the-importance-of-genetic-parenthood-for-infertile-men-and-women
#9
S Hendriks, K Peeraer, H Bos, S Repping, E A F Dancet
STUDY QUESTION: Do men and women beginning to attend a fertility clinic prefer genetic over non-genetic parenthood? SUMMARY ANSWER: Nearly, all infertile men and women prefer genetic parenthood. WHAT IS KNOWN ALREADY: Clinicians assume that all infertile couples prefer genetic parenthood over non-genetic parenthood and, therefore, consider treatments with donor gametes an option of last resort. Previous studies of the desire for parenthood identified 30 motivations for genetic parenthood, and 51 motivations for which having a genetically related child is not strictly necessary but might be deemed required...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938728/modeling-of-live-birth-rates-and-cost-effectiveness-of-oocyte-cryopreservation-for-cancer-patients-prior-to-high-and-low-risk-gonadotoxic-chemotherapy
#10
B Lyttle Schumacher, N Grover, T Mesen, A Steiner, J Mersereau
STUDY QUESTION: What is the live-birth rate (LBR) and cost-effectiveness of fertility preservation with oocyte cryopreservation (FP-OC) compared to expectant management in cancer patients age 25-40 based on estimated gonadotoxicity of treatments 5 years after cancer diagnosis? SUMMARY ANSWER: Oocyte cryopreservation prior to cancer treatment is more costly, yet more effective (producing more live births), than not undergoing oocyte cryopreservation but it is most beneficial for patients undergoing high-risk chemotherapy (HRC)...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28935352/post-traumatic-cervical-spine-epidural-hematoma-incidence-and-risk-factors
#11
Pedro A Ricart, Ravi Verma, Steven J Fineberg, Kyle Y Fink, Paul A Lucas, Yungtai Lo, David E Asprinio, Louis F Amorosa
BACKGROUND: The incidence and risk factors for post-traumatic cervical epidural hematoma are not well described in the current literature. Our aim was to determine the incidence and associated risk factors for post-traumatic cervical spine epidural hematoma (SEH). METHODS: We performed a retrospective review of our institution's prospectively collected data submitted to the state trauma registry, using ICD-9 codes, for all patients activated as a trauma with cervical spine injuries, between the years 2010 and 2014...
August 30, 2017: Injury
https://www.readbyqxmd.com/read/28930781/is-article-methodological-quality-associated-with-conflicts-of-interest-an-analysis-of-the-plastic-surgery-literature
#12
Brian H Cho, Joseph Lopez, Jessica Means, Sandra Lopez, Jacqueline Milton, Anthony P Tufaro, James W May, Amir H Dorafshar
PURPOSE: Conflicts of interest (COI) are an emerging area of discussion within the field of plastic surgery. Recently, several reports have found that research studies that disclose COI are associated with publication of positive outcomes. We hypothesize that this association is driven by higher-quality studies receiving industry funding. This study aimed to investigate the association between industry support and study methodological quality. METHODS: We reviewed all entries in Plastic and Reconstructive Surgery, Annals of Plastic Surgery, and Journal of Plastic, Reconstructive, and Aesthetic Surgery within a 1-year period encompassing 2013...
September 19, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28927424/requirements-of-health-policy-and-services-journals-for-authors-to-disclose-financial-and-non-financial-conflicts-of-interest-a-cross-sectional-study
#13
Assem M Khamis, Maram B Hakoum, Lama Bou-Karroum, Joseph R Habib, Ahmed Ali, Gordon Guyatt, Fadi El-Jardali, Elie A Akl
BACKGROUND: The requirements of the health policy and services journals for authors to report their financial and non-financial conflicts of interest (COI) are unclear. The present article aims to assess the requirements of health policy and services journals for authors to disclose their financial and non-financial COIs. METHODS: This is a cross-sectional study of journals listed by the Web of Science under the category of 'Health Policy and Services'. We reviewed the 'Instructions for Authors' on the journals' websites and then simulated the submission of a manuscript to obtain any additional relevant information made available during that step...
September 19, 2017: Health Research Policy and Systems
https://www.readbyqxmd.com/read/28927238/factor-v-leiden-is-associated-with-increased-sperm-count
#14
T E van Mens, U N Joensen, Z Bochdanovits, A Takizawa, J Peter, N Jørgensen, P B Szecsi, J C M Meijers, H Weiler, E Rajpert-De Meyts, S Repping, S Middeldorp
STUDY QUESTION: Is the thrombophilia mutation factor V Leiden (FVL) associated with an increased total sperm count? SUMMARY ANSWER: Carriers of FVL have a higher total sperm count than non-FVL-carriers, which could not be explained by genetic linkage or by observations in a FVL-mouse model. WHAT IS KNOWN ALREADY: FVL has a high prevalence in Caucasians despite detrimental health effects. Carriers have been shown to have higher fecundity, which might partly explain this evolutionary paradox...
September 12, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28924688/the-barrier-to-informed-choice-in-cancer-screening-statistical-illiteracy-in-physicians-and-patients
#15
Odette Wegwarth, Gerd Gigerenzer
An efficient health care requires both informed doctors and patients. Our current healthcare system falls short on both counts. Most doctors and patients do not understand the available medical evidence. To illustrate the extent of the problem in the setting of cancer screening: In a representative sample of some 5000 women in nine European countries, 92% overestimated the reduction of breast cancer mortality by mammography by a factor of 10-200, or did not know. For a similar sample of about 5000 men with respect to PSA screening, this number was 89%...
2018: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/28922547/the-vicious-circle-of-patient-physician-mistrust-in-china-health-professionals-perspectives-institutional-conflict-of-interest-and-building-trust-through-medical-professionalism
#16
Jing-Bao Nie, Yu Cheng, Xiang Zou, Ni Gong, Joseph D Tucker, Bonnie Wong, Arthur Kleinman
To investigate the phenomenon of patient-physician mistrust in China, a qualitative study involving 107 physicians, nurses and health officials in Guangdong Province, southern China, was conducted through semi-structured interviews and focus groups. In this paper we report the key findings of the empirical study and argue for the essential role of medical professionalism in rebuilding patient-physician trust. Health professionals are trapped in a vicious circle of mistrust. Mistrust (particularly physicians' distrust of patients and their relatives) leads to increased levels of fear and self-protection by doctors which exacerbate difficulties in communication; in turn, this increases physician workloads, adding to a strong sense of injustice and victimization...
September 18, 2017: Developing World Bioethics
https://www.readbyqxmd.com/read/28913595/health-professionals-make-their-choice-pharmaceutical-industry-leaders-understandings-of-conflict-of-interest
#17
Quinn Grundy, Lisa Tierney, Christopher Mayes, Wendy Lipworth
Conflicts of interest, stemming from relationships between health professionals and the pharmaceutical industry, remain a highly divisive and inflammatory issue in healthcare. Given that most jurisdictions rely on industry to self-regulate with respect to its interactions with health professionals, it is surprising that little research has explored industry leaders' understandings of conflicts of interest. Drawing from in-depth interviews with ten pharmaceutical industry leaders based in Australia, we explore the normalized and structural management of conflicts of interest within pharmaceutical companies...
September 14, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28912903/what-did-i-do-practitioner-awareness-of-ethical-issues-in-scientific-publishing
#18
EDITORIAL
Ann Blair Kennedy, Albert Moraska, Grant Rich
Massage therapy practice as well as research in massage therapy is guided by ethical principles and boundaries of professional behavior. Scientific publishing is also guided by a set of ethical standards, about which all aspiring scientific authors should be aware. Honesty, integrity, and conflicts of interest are issues in science and these issues can also impact scientific publishing. Historical ethical issues and current events are discussed.
September 2017: International Journal of Therapeutic Massage & Bodywork
https://www.readbyqxmd.com/read/28911214/growth-regulation-by-estrogen-in-breast-cancer-1-greb1-is-a-novel-progesterone-responsive-gene-required-for-human-endometrial-stromal-decidualization
#19
Alison J Camden, Maria M Szwarc, Sangappa B Chadchan, Francesco J DeMayo, Bert W O'Malley, John P Lydon, Ramakrishna Kommagani
STUDY QUESTION: Is Growth Regulation by Estrogen in Breast Cancer 1 (GREB1) required for progesterone-driven endometrial stromal cell decidualization? SUMMARY ANSWER: GREB1 is a novel progesterone-responsive gene required for progesterone-driven human endometrial stromal cell (HESC) decidualization. WHAT IS KNOWN ALREADY: Successful establishment of pregnancy requires HESCs to transform from fibroblastic to epithelioid cells in a process called decidualization...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28911212/apposition-to-endometrial-epithelial-cells-activates-mouse-blastocysts-for-implantation
#20
Peter T Ruane, Stéphane C Berneau, Rebekka Koeck, Jessica Watts, Susan J Kimber, Daniel R Brison, Melissa Westwood, John D Aplin
STUDY QUESTION: How do interactions between blastocyst-stage embryos and endometrial epithelial cells regulate the early stages of implantation in an in vitro model? SUMMARY ANSWER: Mouse blastocyst apposition with human endometrial epithelial cells initiates trophectoderm differentiation to trophoblast, which goes on to breach the endometrial epithelium. WHAT IS KNOWN ALREADY: In vitro models using mouse blastocysts and human endometrial cell lines have proven invaluable in the molecular characterisation of embryo attachment to endometrial epithelium at the onset of implantation...
September 1, 2017: Molecular Human Reproduction
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