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Patients with chronic heart failure (CHF) are often accompanied with varying degrees of renal diseases. The purpose of this study was to identify rs37369 polymorphism of AGXT2 specific to the renal function of CHF patients. A total of 1012 southern Chinese participants, including 487 CHF patients without history of renal diseases and 525 healthy volunteers, were recruited for this study. Polymerase...
To better understand the molecular mechanisms and gene expression characteristics associated with development of bast fiber cell within flax stem phloem, the gene expression profiling of flax stem peels and leaves were screened, using Illumina's Digital Gene Expression (DGE) analysis. Four DGE libraries (2 for stem peel and 2 for leaf), ranging from 6.7 to 9.2 million clean reads were obtained, which...
Wolfiporia cocos Ryvarden et Gilbertson, a well-known medicinal fungus in the Basidiomycetes, is widely distributed in East Asia. Its dried sclerotium, which is known as Fuling in China, has been used as a traditional crude drug in Chinese traditional medicine for thousand years. However, little is known about how the sclerotium is developed at the genetic level. In this study, the de novo sequencing...
In insects, pigment patterns are formed by melanin, ommochromes, and pteridines. Here, the effects of pteridine synthesis on melanin formation were studied using 4th instar larvae of a wild-type silkworm strain, dazao (Bombyx mori), with normal color and markings. Results from injected larvae and in vitro integument culture indicated that decreased activity of guanosine triphosphate cyclohydrolase...
Plant microRNAs (miRNAs) play important roles as modulators of gene expression at the post-transcriptional level. Previous studies have shown that high-throughput sequencing is a powerful tool for the identification of miRNAs, and it is believed that many more miRNAs remain to be discovered. Here, we found 23 novel conserved miRNAs from three rice cultivars by high-throughput sequencing and further...
Hepatitis C virus (HCV) infection is the major cause of chronic liver disease after renal transplantation (RT), which reduces both graft and patient survival. After RT, the most widely used approach is interferon (IFN)-based therapy of hepatitis C which may be unsatisfactory with both poor efficacy and an increasing risk of allograft rejection. Thus, it is not recommended unless patients develop fibrosing...
We present prenatal diagnosis and molecular cytogenetic characterization of de novo pure trisomy 6p22.3→p25.3 encompassing BMP6 in a fetus associated with microcephaly and craniosynostosis on prenatal ultrasound, abnormal maternal serum biochemistry of a low PAPP-A level in the first-trimester combined test, and a karyotype of 46,XX,der(22)t(6;22)(p22.3;p13)dn. The present case demonstrates the usefulness...
We present array comparative genomic hybridization (aCGH) characterization of an unbalanced X-autosome translocation with an Xq interstitial segmental duplication in a 16-year-old girl with primary ovarian failure, mental retardation, attention deficit disorder, learning difficulty and facial dysmorphism. aCGH analysis revealed an Xq27.2–q28 deletion, an 11q24.3–q25 duplication, and an inverted duplication...
We report a molecular cytogenetic characterization of 17p13.3 deletion syndrome by array comparative genomic hybridization (aCGH), fluorescence in situ hybridization (FISH) and quantitative polymerase chain reaction (qPCR) in a fetus with lissencephaly, corpus callosum dysgenesis, ventriculomegaly, microcephaly, intrauterine growth restriction (IUGR), polyhydramnios and single umbilical artery. aCGH...
Thalassemia is one of the most common hereditary disorders. This study aimed to investigate the prevalence of thalassemia and the mutation spectrum in Chongqing, the southern area of China.A total of 1057 children were recruited from Chongqing. Hematological parameters were examined and globin genes were genetically analyzed.The total frequency of thalassemia carriers was 7.76% in this group of children...
We present prenatal diagnosis and array comparative genomic hybridization characterization of 3q26.31–q29 duplication and 9q34.3 microdeletion in a fetus with omphalocele, ventricular septal defect, increased nuchal translucency, abnormal first-trimester maternal screening and facial dysmorphism with distinct features of the 3q duplication syndrome and Kleefstra syndrome. The 26.61-Mb duplication...
We present prenatal diagnosis of de novo interstitial deletions involving 5q23.1–q23.3 and 18q12.1–q12.3 by aCGH using uncultured amniocytes in pregnancy with interrupted aortic arch and atrial septal defect in a fetus. The fetus postnatally manifested facial dysmorphisms and long slender fingers. We discuss the genotype–phenotype correlation and the consequence of haploinsufficiency of FBN2, DTNA...
We present prenatal diagnosis of de novo proximal interstitial deletion of chromosome 4p (4p15.2→p14) and molecular cytogenetic characterization of the deletion using uncultured amniocytes. We review the phenotypic abnormalities of previously reported patients with similar proximal interstitial 4p deletions, and we discuss the functions of the genes of RBPJ, CCKAR, STIM2, PCDH7 and ARAP2 that are...
We present prenatal diagnosis and molecular cytogenetic characterization of de novo mosaic r(13). A 32-year-old woman underwent amniocentesis at 18weeks of gestation because of maternal anxiety. Amniocentesis revealed a karyotype of 46,XY,r(13)[33]/45,XY,-13[19]. aCGH on uncultured amniocytes at repeated amniocentesis detected a 4.22-Mb deletion at 13q34. Interphase FISH on 100 uncultured amniocytes...
We present a 19-year-old male with laxity of skin and joints, sparse scalp hair, facial dysmorphism, epilepsy, multiple exostoses, scoliosis, gastroesophageal reflux, cardiovascular defects, and an 8q23.3–q24.22 deletion detected by array comparative genomic hybridization. The patient was previously misdiagnosed as having Ehlers–Danlos syndrome. However, his clinical findings are in fact correlated...
We present prenatal diagnosis and molecular cytogenetic analysis of mosaic small supernumerary marker chromosome 1 [sSMC(1)]. We review the literature of sSMC(1) at amniocentesis and chromosome 1p21.1-p12 duplication syndrome. We discuss the genotype–phenotype correlation of the involved genes of ALX3, RBM15, NTNG1, SLC25A24, GPSM2, TBX15 and NOTCH2 in this case.
Cardiac troponin T (TNNT2), as a member of troponin superfamily, plays important roles during early cardiogenesis, and contraction and relaxation of myocardial cells. In this study, two alternatively spliced variants of Megalobrama amblycephala TNNT2 were identified showing a difference of 19 amino acids in the N-terminal hypervariable region. The longer cDNA (TNNT2-1) was 1118bp, encoding 284 amino...
We present prenatal diagnosis of a de novo distal 18p deletion involving 14.06Mb at 18p11.32–p11.21 by aCGH using uncultured amniocytes in a pregnancy with fetal holoprosencephaly and premaxillary agenesis. QF-PCR analysis showed that distal 18p deletion was from maternal origin. Metaphase FISH analysis confirmed haploinsufficiency of TGIF. We discuss the functions of the genes that are deleted within...
We present prenatal diagnosis of de novo 22q11.2 microdeletion syndrome using uncultured amniocytes in a pregnancy with conotruncal heart malformations in the fetus. We discuss the genotype–phenotype correlation and the consequence of haploinsufficiency of TBX1, COMT, UFD1L, GNB1L and MED15 in the deleted region. We review the literature of chromosomal loci and genes responsible for conotruncal heart...
We present prenatal diagnosis of mosaicism for a small supernumerary marker chromosome (sSMC) derived from chromosome 22 associated with cat eye syndrome (CES) using cultured amniocytes in a pregnancy with fetal microcephaly, intrauterine growth restriction, left renal hypoplasia, total anomalous pulmonary venous return with dominant right heart and right ear deformity. The sSMC was bisatellited and...
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