Objectives: The previously established 38-plex InDel system was optimized and its performance was validated according to the Scientific Working Group on DNA Analysis Method (SWGDAM) application guidelines. The ancestry inference accuracy of individuals from East Asian, European, African and mixed populations was verified.
Methods: DNA standard sample 9947A was used as the template to establish the optimal amplification conditions by adjusting primer balance, Mg final concentration and optimizing PCR thermal cycle parameters and amplification volume.
Zhongguo Ying Yong Sheng Li Xue Za Zhi
September 2019
Iguratimod is a new synthetic disease-modifying antirheumatic drug intended to treat patients with rheumatoid arthritis. A new method using recombinant human CYP450s yeast cells containing c-DNA expressed P450s was applied to identify the metabolic pathways of iguratimod and to prepare its metabolite. The metabolite was isolated, and its structure was identified by quadrupole time-of-flight-mass spectrometry and nuclear magnetic resonance.
View Article and Find Full Text PDFInferring an unknown DNA's ancestry using a set of ancestry-informative single nucleotide polymorphisms (SNPs) in forensic science is useful to provide investigative leads. This is especially true when there is no DNA database match or specified suspect. Thus, a set of SNPs with highly robust and balanced differential power is strongly demanded in forensic science.
View Article and Find Full Text PDFZhongguo Zhong Xi Yi Jie He Za Zhi
September 2016
Objective To observe the effect of acupuncture on c-fos expression in the lung tissue of asthmatic rats. Methods Totally 70 SPF grade male SD rats were randomly divided into 7 groups, i.e.
View Article and Find Full Text PDFFa Yi Xue Za Zhi
February 2016
Objective: To establish a 15-plex rapid STR multiplex amplification system.
Methods: Fourteen auto-chromosome loci and one sex-chromosome were selected to compare the situations of allelic losses and nonspecific amplication under different conditions. FastStart Taq DNA polymerase and DNA standard sample 9947A were used during amplification and optimization process.
Increasing evidence indicates that dexmedetomidine (DEX), a selective α2-adrenergic receptor agonist, has a neuroprotective effect against cerebral injury. However, it remains unknown whether and how DEX functionally prevents the pathological form of synaptic plasticity caused by ischemia in the hippocampal CA1 neurons. To address this issue, we analyzed the role of DEX using a model of brain ischemia (oxygen and glucose deprivation, OGD) referred to as post-ischemic LTP (i-LTP).
View Article and Find Full Text PDFTo obtain single-source short tandem repeat (STR) profiles in trace female/male blood mixture samples, we combined florescence in situ hybridization (FISH), laser microdissection, and low volume PCR (LV-PCR) to isolate male/female cells and improve sensitivity. The results showed that isolation of as few as 10 leukocytes was sufficient to yield full STR profiles in fresh female or male blood samples for 32 independent tests with a low additional alleles rate (3.91%) and drop-out alleles rate (5.
View Article and Find Full Text PDFForensic Sci Int Genet
November 2014
Mixed semen stains from multiple contributors are challenging samples in sexual assault casework, and it is crucial to obtain the DNA profiles of different donors to allow the evidence to play an important role in investigations and judicial proceedings. Current standard procedures, including preferential lysis, are incapable of separating single-source sperm from multiple male donors. Mixed profiles are often obtained and may not directly exclude or identify suspects.
View Article and Find Full Text PDFActa Crystallogr Sect E Struct Rep Online
June 2014
The asymmetric unit of the title compound, [Li2(C12H12NOP)6]Cl2·2CH3CN, contains one-half of the centrosymmetric dication, one chloride anion and one aceto-nitrile solvent mol-ecule. Each Li atom is coordinated by four O atoms [Li-O 1.891 (3) and 2.
View Article and Find Full Text PDFObjective: To establish optimal amplification conditions with the application of 0.2 mL test tube in single cell separation and inspection.
Methods: Oral epithelium cell suspension was prepared.
Genetic profiling of sperm from complex biological mixtures such as sexual assault casework samples requires isolation of a pure sperm population and the ability to analyze low abundant samples. Current standard procedure for sperm isolation includes preferential lysis of epithelial contaminants followed by collection of intact sperm by centrifugation. While effective for samples where sperm are abundant, this method is less effective when samples contain few spermatozoa.
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