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In vitro fertilization

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https://www.readbyqxmd.com/read/28231693/native-plants-p-amurense-and-h-japonicus-extracts-act-as-antioxidants-to-support-developmental-competence-of-bovine-blastocysts
#1
Geon-Yeop Do, Jin-Woo Kim, Hyo-Jin Park, Seung-Bin Yoon, Jae-Young Park, Seul-Gi Yang, Bae Dong Jung, Yong-Soo Kwon, Man-Jong Kang, Bong-Seok Song, Sun-Uk Kim, Kyu-Tae Chang, Deog-Bon Koo
Objective: Phellodendron amurense (P. amurense) and Humulus japonicus (H. japonicus) are closely involved in anti-oxidative response and increasing antioxidant enzymes activities. However, the effects of their extracts on development of preimplantation bovine embryos have not yet been investigated. Therefore, we investigated the effects of P. amurense and H. japonicus extract on developmental competence and quality of preimplantation bovine embryos. Methods: After in vitro fertilization, bovine embryos were cultured for 7 days in CR1aa medium supplemented with P...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28230092/rtfc-4931414p19rik-regulates-in-vitro-thyroid-differentiation-and-in-vivo-thyroid-function
#2
Yang Yu, Chang Liu, Junxia Zhang, Mimi Zhang, Wei Wen, Xianhui Ruan, Dapeng Li, Shuang Zhang, Ming Gao, Lingyi Chen
Thyroid is a one of the most important endocrine organs. Understanding the molecular mechanism underlying thyroid development and function, as well as thyroid diseases, is beneficial for the clinical treatment of thyroid diseases and tumors. Through genetic linkage analysis and exome sequencing, we previously identified an uncharacterized gene C14orf93 (RTFC, mouse homolog: 4931414P19Rik) as a novel susceptibility gene for familial non-medullary thyroid carcinoma, and demonstrated its function in promoting thyroid tumor...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229974/molecular-mechanism-of-endosulfan-action-in-mammals
#3
Robin Sebastian, Sathees C Raghavan
Endosulfan is a broad-spectrum organochlorine pesticide, speculated to be detrimental to human health in areas of active exposure. However, the molecular insights to its mechanism of action remain poorly understood. In two recent studies, our group investigated the physiological and molecular aspects of endosulfan action using in vitro, ex vivo and in vivo analyses. The results showed that apart from reducing fertility levels in male animals, Endosulfan induced DNA damage that triggers compromised DNA damage response leading to undesirable processing of broken DNA ends...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28228964/in-vitro-fertilization-induced-hypertriglyceridemia-with-secondary-acute-pancreatitis-and-diabetic-ketoacidosis
#4
Claire Michael Issa, Rani Hazar Abu Khuzam
INTRODUCTION: In vitro fertilization is becoming more and more popular lately, as such light is to be shed on any possible related complication. One of these complications is the possible hormonal effect on the lipid profile of the patients. CASE PRESENTATION: We present a case of a 39-year-old woman with no prior or family history of dyslipidemia, who presented with post in vitro fertilization severe hypertriglyceridemia and secondary acute pancreatitis and diabetic ketoacidosis...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28226241/catsper%C3%AE-regulates-the-structural-continuity-of-sperm-ca-2-signaling-domains-and-is-required-for-normal-fertility
#5
Jean-Ju Chung, Kiyoshi Miki, Doory Kim, Sang-Hee Shim, Huanan F Shi, Jae Yeon Hwang, Xinjiang Cai, Yusuf Iseri, Xiaowei Zhuang, David E Clapham
We report that the Gm7068 (CatSperε) and Tex40 (CatSperζ) genes encode novel subunits of a 9-subunit CatSper ion channel complex. Targeted disruption of CatSperζ reduces CatSper current and sperm rheotactic efficiency in mice, resulting in severe male subfertility. Normally distributed in linear quadrilateral nanodomains along the flagellum, the complex lacking CatSperζ is disrupted at ~0.8 μm intervals along the flagellum. This disruption renders the proximal flagellum inflexible and alters the 3D flagellar envelope, thus preventing sperm from reorienting against fluid flow in vitro and efficiently migrating in vivo...
February 22, 2017: ELife
https://www.readbyqxmd.com/read/28225074/the-wasp-arp2-3-complex-signal-cascade-is-involved-in-actin-dependent-sperm-nuclei-migration-during-double-fertilization-in-tobacco-and-maize
#6
Xiongbo Peng, Tingting Yan, Mengxiang Sun
Sperm nuclear migration during fertilization in Arabidopsis and rice has recently been found to be actin-dependent, but the driving force behind this actin cytoskeleton-dependent motion is unclear. Here, we confirmed that the actin-dependent sperm nuclei migration during fertilization is a conserved mechanism in plants. Using in vitro fertilization systems, we showed that a functional actin is also essential in maize and tobacco for sperm nuclei migration after gamete membrane fusion. Cytoskeleton depolymerization inhibitor treatments supported the view that sperm nuclei migration is actin-dependent but microtubule-independent in both egg cell and central cell during double fertilization...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28223181/the-effect-of-salpingectomy-on-ovarian-function
#7
REVIEW
Alexander Kotlyar, Julian Gingold, Shirley Shue, Tommaso Falcone
OBJECTIVE: To review the literature concerning the effects of salpingectomy on ovarian function as assessed using measures of ovarian reserve and outcomes from in-vitro fertilization and spontaneous pregnancy cycles. BACKGROUND: Tubal surgery is performed for a variety of indications in gynecology. Salpingectomy is the most aggressive form of tubal surgery and may be performed for potential risk reduction for epithelial ovarian cancer, sterilization, ectopic pregnancy and as a method to enhance fertility in the setting of a hydrosalpinx...
February 18, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28220153/high-throughput-flowing-upstream-sperm-sorting-in-a-retarding-flow-field-for-human-semen-analysis
#8
Jen-Kuei Wu, Peng-Chun Chen, Yu-Nan Lin, Chia-Woei Wang, Li-Chern Pan, Fan-Gang Tseng
In this paper, we propose a microfluidic device capable of generating a retarding flow field for the sorting and separation of human motile sperm in a high-throughput manner. The proposed sorting/separation process begins with a rapid flow field in a straight-flow zone to carry sperm into a sorting zone to maintain the sperm's mobility. The sorting zone consists of a diffuser-type sperm sorter to differentiate sperm with different motilities based on the flowing upstream nature of human sperm in a retarding flow field...
February 21, 2017: Analyst
https://www.readbyqxmd.com/read/28219359/congenital-tuberculosis-in-an-extremely-preterm-infant-conceived-after-in-vitro-fertilization-case-report
#9
Veronica Samedi, Stephen K Field, Essa Al Awad, Gregory Ratcliffe, Kamran Yusuf
BACKGROUND: Congenital tuberculosis is a rare manifestation of tuberculosis. The diagnosis is often delayed, especially in preterm neonates because of the non-specific clinical presentation and the lack of awareness of maternal disease prior to pregnancy. CASE PRESENTATION: We report a case of congenital tuberculosis in an infant born at 24 weeks of gestation to a mother who presented with uncontrolled seizures during preterm labor. Maternal diagnosis was initially made by placental pathology, and later confirmed by isolation of Mycobacterium tuberculosis in urine, gastric aspirates and sputum...
February 20, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28218310/crispr-knockout-rat-cytochrome-p450-3a1-2-model-for-advancing-drug-metabolism-and-pharmacokinetics-research
#10
Jian Lu, Yanjiao Shao, Xuan Qin, Daozhi Liu, Ang Chen, Dali Li, Mingyao Liu, Xin Wang
Cytochrome P450 (CYP) 3A accounts for nearly 30% of the total CYP enzymes in the human liver and participates in the metabolism of over 50% of clinical drugs. Moreover, CYP3A plays an important role in chemical metabolism, toxicity, and carcinogenicity. New animal models are needed to investigate CYP3A functions, especially for drug metabolism. In this report, Cyp3a1/2 double knockout (KO) rats were generated by CRISPR-Cas9 technology, and then were characterized for viability and physiological status. The Cyp3a1/2 double KO rats were viable and fertile, and had no obvious physiological abnormities...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28218225/hysterectomy-in-the-second-trimester-of-pregnancy-after-in-vitro-fertilization-embryo-transfer-a-case-report-and-analysis-of-its-risk-factors
#11
Chan-Wei Jia, Yan-Min Ma, Shu-Yu Wang
No abstract text is available yet for this article.
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28217673/in-vitro-fertilization-outcomes-in-women-with-surgery-induced-diminished-ovarian-reserve-after-endometrioma-operation-comparison-with-diminished-ovarian-reserve-without-ovarian-surgery
#12
Su Been Hong, Na Ra Lee, Seul Ki Kim, Hoon Kim, Byung Chul Jee, Chang Suk Suh, Seok Hyun Kim, Young Min Choi
OBJECTIVE: To compare the in vitro fertilization (IVF) outcomes between women with diminished ovarian reserve (DOR) after endometrioma operation and women with DOR without ovarian surgery. METHODS: This retrospective case-control study included 124 women aged under 40 and had DOR (serum anti-Müllerian hormone level <1.1 ng/mL or antral follicle count ≤6). They participated in fresh first and/or second IVF cycles between March in 2010 and December in 2015. Basal characteristics and IVF outcomes were compared between 47 cycles (32 women) with surgery-induced DOR and 119 cycles (92 women) with DOR without ovarian surgery...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28217671/in-vitro-fertilization-outcome-in-women-with-diminished-ovarian-reserve
#13
Bo Hyon Yun, Gieun Kim, Seon Hee Park, Eun Bee Noe, Seok Kyo Seo, SiHyun Cho, Young Sik Choi, Byung Seok Lee
OBJECTIVE: This study aimed to identify factors that affect in vitro fertilization (IVF) outcomes in women with diminished ovarian reserve (DOR). METHODS: We reviewed 99 IVF cycles in 52 women with DOR between September 2010 and January 2015. DOR was defined as serum anti-Müllerian hormone level of <1.1 ng/dL or serum follicle-stimulating hormone level of ≥20 mIU/mL. Total 96 cycles in 50 patients were evaluated after excluding fertility preservation cases...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28216912/pregnancy-outcomes-and-maternal-and-perinatal-complications-of-pregnancies-following-in-vitro-fertilization-intracytoplasmic-sperm-injection-using-own-oocytes-donor-oocytes-and-vitrified-embryos-a-prospective-follow-up-study
#14
Manish Banker, Vidhisha Mehta, Dipesh Sorathiya, Mira Dave, Sandeep Shah
BACKGROUND: Several global studies have assessed maternal and perinatal outcomes and complications with the type of embryo transfer (ET) following in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI). The present study assessed the incidence of maternal and perinatal outcomes and complications following IVF/ICSI associated with the type of embryo transferred. METHODOLOGY: A total of 2112 ETs were performed in 2092 female patients aged 21-50 years between January 1 and December 31, 2014 (Group A: Fresh ET using self-oocytes: 691; Group B: Fresh ET using donor oocytes: 810; and Group C: Thaw ET using vitrified-warmed embryos: 611)...
October 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28216909/aneuploidy-screening-by-array-comparative-genomic-hybridization-improves-success-rates-of-in-vitro-fertilization-a-multicenter-indian-study
#15
Aditi Kotdawala, Deven Patel, Javier Herrero, Rajni Khajuria, Nalini Mahajan, Manish Banker
OBJECTIVE: To evaluate the usefulness of preimplantation genetic screening (PGS) using array comparative genomic hybridization (aCGH) in the Indian population. MATERIALS AND METHODS: This is a retrospective, multicenter study including 235 PGS cycles following intracytoplasmic sperm injection performed at six different infertility centers from September 2013 to June 2015. Patients were divided as per maternal age in several groups (<35, 35-36, 37-38, 39-40, and >40 years) and as per indication for undergoing PGS...
October 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28216891/effects-of-potassium-sulfate-k2so4-on-the-element-contents-polyphenol-content-antioxidant-and-antimicrobial-activities-of-milk-thistle-silybum-marianum
#16
Gulsum Yaldiz
BACKGROUND: Silybum marianum L. (Milk thistle) is native to the Mediterranean basin and is now widespread throughout the world. It's sprout is used as a herbal medicine for the treatment of liver disease for centuries. The seeds of milk thistle contain silymarin, an isomeric mixture of flavonolignans [silybin, silychristin, and silydianin]. Silymarin acts as a strong anti-hepatotoxic. OBJECTIVES: The objective of this study was to evaluate the influences of potassium sulfate [K2SO4] fertilizer doses on polyphenol content, some nutrient elements, antioxidant and antimicrobial activities of milk thistle at experimental fields of Ordu University in Turkey...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28215678/the-impact-of-ovarian-stimulation-protocol-on-oocyte-quality-subsequent-in%C3%A2-vitro-embryo-development-and-pregnancy-after-transfer-to-recipients-in-eld-s-deer-rucervus-eldii-thamin
#17
Ampika Thongphakdee, Debra K Berg, Theerawat Tharasanit, Nikorn Thongtip, Wanlaya Tipkantha, Chainarong Punkong, Daraka Tongthainan, Sakhon Noimoon, Umaporn Maikeaw, Nudthakamol Kajornklin, Boripat Siriaroonrat, Pierre Comizzoli, Sumate Kamolnorranath
Propagating genetically valuable individuals through oocyte collection, in vitro fertilization (IVF) and embryo transfer is critical to maintain sustainable populations of the endangered Eld's deer. The objectives of this study were to assess the impact of exogenous FSH injections on (1) the number and in vitro competence of oocytes collected and (2) the developmental potential of resulting IVF embryos after transfer into recipients during the breeding season (February-April). In a pilot experiment, estrus synchronization was conducted in three surplus females (using intravaginal progesterone-releasing devices, CIDRG for 14 days and injections of buserelin (a GnRH agonist)...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28211534/in-vitro-differentiation-of-fertile-sperm-from-cryopreserved-spermatogonia-of-the-endangered-endemic-cyprinid-honmoroko-gnathopogon-caerulescens
#18
Shogo Higaki, Manami Shimada, Kazuaki Kawamoto, Takaaki Todo, Toshihiro Kawasaki, Ikuo Tooyama, Yasuhiro Fujioka, Noriyoshi Sakai, Tatsuyuki Takada
Many endemic fish species are threatened with extinction. Conservation strategies and the restoration of endemic fish after extinction must therefore be investigated. Although sperm cryopreservation is indispensable for the conservation of endangered fishes, the limited number of mature fish and limited availability (volume and period) of sperm from small endemic fish hinders the optimization and practical use of this material. In this report, we demonstrate the in vitro differentiation of fertile sperm from cryopreserved spermatogonia of juveniles of the endangered small cyprinid honmoroko (Gnathopogon caerulescens), which is endemic to Lake Biwa in Japan...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28209492/reproductive-considerations-in-the-setting-of-chronic-viral-illness
#19
REVIEW
Brent M Hanson, Jessie A Dorais
Special considerations must be taken when patients with human immunodeficiency virus (HIV), Hepatitis B, or Hepatitis C desire to achieve pregnancy. Patients with chronic viral illnesses desire children at rates similar to the general population, and options are available to decrease both vertical transmission and viral transmission between partners. Preconception counseling or consultation with fertility specialists is imperative in patients with HIV, Hepatitis B, and Hepatitis C so that reproductive goals can be addressed and optimized...
February 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28208755/micrornas-new-insight-in-modulating-follicular-atresia-a-review
#20
REVIEW
Tesfaye Worku, Zia Ur Rehman, Hira Sajjad Talpur, Dinesh Bhattarai, Farman Ullah, Ngabu Malobi, Tesfaye Kebede, Liguo Yang
Our understanding of the post-transcriptional mechanisms involved in follicular atresia is limited; however, an important development has been made in understanding the biological regulatory networks responsible for mediating follicular atresia. MicroRNAs have come to be seen as a key regulatory actor in determining cell fate in a wide range of tissues in normal and pathological processes. Profiling studies of miRNAs during follicular atresia and development have identified several putative miRNAs enriched in apoptosis signaling pathways...
February 9, 2017: International Journal of Molecular Sciences
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