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We herein describe AncPhore, a versatile tool for drug discovery, which is characterized by pharmacophore feature analysis and anchor pharmacophore (
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Objective: To investigate the correlation of prothrombin time (PT) with clinicopathological features and prognosis of the patients with osteosarcoma. Methods: The activated partial thromboplastin time (APTT), PT, fibrinogen (FIB) and D-dimer in peripheral blood of 111 patients with osteosarcoma and 35 concurrent healthy volunteers (as the control) from May 2011 to May 2018 were tested. The correlation of PT with clinicopathological features and prognosis of the patients with osteosarcoma was analyzed. Results: The median survival time of 111 patients with osteosarcoma was 25 months, and the one-and two-year survival rates were 76.6% and 51.4%, respectively. The levels of D-dimer and FIB in the patients with osteosarcoma were higher than those in the control group (both P 0.05). The PT was longer in the patients with osteosarcoma younger than 20 years old (P = 0.002), while PT had no correlation with gender, tumor size, clinical stage, tumor location and metastatic status (all P> 0.05). The overall survival time of the patients with osteosarcoma in PT ≥ 10.4 s group was shorter than that in PT < 10.4 s group (P = 0.024), the progression-free survival time of the patients with osteosarcoma had no significant difference between these two groups (P= 0.594). The overall survival time and progression-free survival time of the patients with osteosarcoma in metastasis group were shorter than those in non-metastasis group (both P< 0.001). The overall survival time (P= 0.004) and progression-free survival time (P= 0.013) of the patients with osteosarcoma in stage I / II group were longer than those in stage EI/IV group. The clinical stage, PT and metastasis status were related with the prognosis of patients with osteosarcoma (all P< 0.05). The PT and metastasis status were independent predictive factors for the prognosis of patients with osteosarcoma (both P < 0.05). Conclusion: The changes of PT may provide a reference for monitoring the condition and prognosis of patients with osteosarcoma.
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In this study,Polygalae radix and its adulterants were identified by psbA-trnH sequence.The genomic DNA was extracted from forty-six samples, the psbA-trnH sequences were amplified and sequenced Bi-directionally, and then assembled sequences by Codoncode Aligner V 3.7.1. The genetic distances were computed by kimura 2-parameter (K2P) model, and the Neighbor-Joining tree was constructed by MEGA 6.0. Results showed that minimum intra-specific K2P distance of Polygala tenuifolia and Polygala sibirica were 0.004 and 0, which were smaller than the maximum intra-specific K2P. The NJ tree showed Polygalae radix can be distinguished from its adulterants by psbA-trnH sequences. Therefore, using psbA-trnH sequences can distinguish Polygalae radix from its adulterants.
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<p><b>OBJECTIVE</b>To determine lignan content in the vine stem of Schisandra chinensis during 12 months and provide the scientific basis for the development and utilization of the resources.</p><p><b>METHOD</b>Analysis was carried out on an Eclipse XDB C18 column eluted with a mixture of methanol-acetonitrile-water (43: 28: 29) as the mobile phase. The flowrate was 1.0 mL x min(-1), and the detection wavelength was set at 250 nm. Schisandrin, deoxyschizandrin and schisandrin B were used as reference substance, and the external standard method was used.</p><p><b>RESULT</b>The content of three constituents in the vine stem varied under different months. Schisandrin's maximum is 2.3 mg x g(-1) in December, minimum is 1.4 mg x g(-1) in April. A Deoxyschizandrin's maximum is 0.8 mg x g(-1) in November, minimum is 0.4 mg x g(-1) in March; Schisandrin B's maximum is 3.0 mg x g(-1) in January, minimum is 1.1 mg x g(-1) in April.</p><p><b>CONCLUSION</b>The collection seasons for the vine stem of S. chinensis are autumn and winter.</p>