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Seasonal differences in thermal stress susceptibility of diploid and triploid brook trout, Salvelinus fontinalis (Teleostei, Pisces).
J Fish Biol
July 2022
Federal Agency for Water Management, Institute for Water Ecology, Fisheries and Lake Research, Mondsee, Austria.
Many physiological processes of teleost fish show periodicity due to intrinsic rhythms. It may be hypothesized that also susceptibility to thermal stress differs seasonally. To shed more light on this problem the following experiment was conducted.
View Article and Find Full Text PDFCombining the use of a fetal fraction-based risk algorithm and probability of an informative redraw in noninvasive prenatal testing for fetal aneuploidy.
J Genet Couns
October 2020
Natera, Inc., San Carlos, CA, USA.
Some women undergoing noninvasive prenatal testing (NIPT) do not receive an informative result due to low fetal fraction (FF). A proportion of these are at increased risk for fetal trisomy 13, 18, or triploidy, while others have no change from their prior risk. Women with an initial uninformative NIPT need to be counseled about any such change in their risk for fetal abnormality and also the probability that a redraw will be informative.
View Article and Find Full Text PDFC-banding and AgNOR-staining were still effective complementary methods to indentify chromosomal heteromorphisms and some structural abnormalities in prenatal diagnosis.
Mol Cytogenet
September 2019
Prenatal Diagnosis Center, Beijing Haidian Maternal and Child Health Hospital, Beijing, 100080 People's Republic of China.
Background: In prenatal diagnosis, CMA has begun to emerge as a favorable alternative to karyotype analysis, but it could not identify balanced translocations, triploidies, inversion and heteromorphisms. Therefore, conventional cytogenetic and specific staining methods still play an important role in the work-up of chromosome anomaly. This study investigated the application of C-banding and AgNOR-staining techniques in prenatal diagnosis of chromosomal heteromorphisms and some structure abnormalities.
View Article and Find Full Text PDFP53 expression in various types of hydropic placentas (through ploidy analysis as a complementary tool in diagnosis of samples).
Caspian J Intern Med
January 2019
Department of Biomedical Engineering, School of Electrical Engineering, Iran University of Science & Technology (IUST), Tehran, Iran.
Background: Placentas characterized by hydropic swelling of chorionic villi occur in a spectrum of pathological conditions including hydropic abortion (HA), partial hydatidiform mole (PHM) and complete hydatidiform mole (CHM). The purpose of this study was to investigate whether the expression of p53 tumour suppressor protein could differentiate these various types of hydropic placentas.
Methods: p53 immunohistochemical staining was performed in 19 molar (8 PHM and 11 CHM) and 10 non-molar (HA) formalin-fixed, paraffin-embedded tissue samples.
Cloning and characterization of wnt4a gene in a natural triploid teleost, Qi river crucian carp (Carassius auratus).
Gen Comp Endocrinol
June 2019
Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Science, Southwest University, Chongqing 400715, PR China. Electronic address:
WNT4 (wingless-type MMTV integration site family, member 4) plays a key role in the ovarian differentiation and development in mammals. However, the possible roles of Wnt4 during gonadal differentiation and development need further clarification in teleosts. In this study, we cloned and characterized the full-length cDNA of Qi river crucian carp (Carassius auratus) wnt4a gene (CA-wnt4a).
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