Based on ultra high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS), a rapid and simultaneous quantitative method for the measurement of seven components (kinsenoside; rutin; kaempferol-3-O-rutinoside; quercimeritrin; narcissin; isorhamnetin-3-O-glucoside; quercetin) of A. roxburghii was established. The separation was performed over 8.0 minutes on a Waters Acquity UPLC BEH Shield RP18 (2.1 mm × 100 mm; 1.7 μm) with a mobile phase consisting of acetonitrile (A) and 0.1% formic acid water solution (B) with gradient elution at a flow rate of 0.2 mL·min^-1; the column temperature was 30 ℃ and the injection volume was 2 μL. Electrospray spray ionization source (ESI source) was used for mass spectrometry, and positive and negative ion modes were detected at the same time. The results showed good linearity (R² ≥ 0.998 0), with good precision, repeatability and stability, and the average recovery was 97.71%-103.33%. Through cluster heat map and redundancy analysis, we found that kinsenoside was mainly distributed in stems, followed by leaves, and the lowest content in roots. The content of kinsenoside increased significantly in the stems of plants 6 months, but less change was evident in the roots and leaves. Flavonoids and flavonoid glycosides were mainly distributed in leaves. The UHPLC-MS/MS method established in this paper can be used for the quality control of A. roxburghii and provides a reference for establishing a more comprehensive quality detection method for this medicinal.

italic>Anoectochilus roxburghii (Wall.) Lindl. is a medicinal species belonging to the Orchidaceae, whose whole plant can be used as a medicinal herb, known as "JinXianLian". It has antidiabetic, liver-protecting, anti-inflammatory, etc. A. roxburghii has long been used as food and medicine in Guangdong and Fujian provinces. With the wide recognition of the concept of "medicine and food homology" and the surge of market demand, wild A. roxburghii has been far from meeting the supply. It is important to establish an artificial propagation system. Resource characteristics are the key basis for optimizing germplasm and propagation systems. Therefore, this paper summarizes the germplasm resource characteristics and propagation technologies of A. roxburghii in China to provide a reference for sustainable development and subsequent mechanistic research.

【Objective】 To explore the status of HBV infection and low viral load of HBV DNA in blood donor samples implicated in TMA triplex reactive but discriminatory test non-reactive samples. 【Methods】 A total of 51 996 samples were detected by Procleix Panther nucleic acid detection(NAT) system from January 2020 to March 2021, and 86 of them were TMA triplex reactive but discriminatory test non-reactive. HBV serological markers (HBsAg, anti-HBs, HBeAg, anti-HBe, anti-HBc) were detected by electrochemiluminescence. Single-donation(ID) NAT was conducted in some TMA triplex + /discriminatory test-samples using Roche NAT. 【Results】 Out of 86 TMA triplex + /discriminatory test-samples, anti-HBc were positive in 89.53% (77/86), anti-HBe positive in 27.90% (24/86) and anti-HBs positive in 65.12% (56/86). 15 donors carried anti-HBs, anti-HBe and anti-HBc, 34 both anti-HBs and anti-HBc, 1 both anti-HBs/anti-HBe, 8 both anti-HBe/anti-HBc, 6 solo anti-HBs, and 20 solo anti-HBc. The positive rate of HBV serological markers was 97.67% (84/86). HBV DNA in 5 out of the 10 samples was qualitatively detected by Roche ID NAT, and one of them presented HBV DNA < 20 IU/mL. 【Conclusion】 Most TMA triplex + /discriminatory test-samples were occult hepatitis B infection.

Objective To discuss the perioperative nursing measures for patients with osteoporotic vertebral compression fractures who are receiving percutaneous vertebroplasty (PVP) treatment by using high viscosity bone cement.Methods A total of 30 patients with osteoporotic vertebral compression fractures were included in this study.All patients were treated with PVP by using high viscosity bone cement.Preoperative routine nursing,psychological intervention,dietary intervention,postoperative guidance of rehabilitation exercise of limbs,close observation of bone cement leakage were strictly implemented,and the corresponding nursing measures were promptly taken when needed.Results Through strict implement of the nursing intervention all 30 patients could actively cooperate with PVP treatment,and after PVP the pain was significantly relieved in all patients.Conclusion Adequate preoperative preparation,proper postoperative guidance,careful observation and effective nursing can help the patients resume their daily life activities as soon as possible,relieve the pain,and improve the quality of life as well.(J Intervent Radiol,2017,26:274-276)

To investigate the effects of cryptotanshinone (an active ingredient of Salvia Miltiorrhiza) inhibition of angiogenesis, the toxicity of cryptotanshinone was assayed in human hepatic sinusoidal endothelial cells (HHSEC) by CCK8 method. Max dose without toxicity is 10 μmol·L^-1. The proliferation of HHSEC were induced by the endothelial cell growth supplement (ECGS), with 2.5 μmol·L^-1 sorafenib as the positive control. Cell proliferation was analyzed by EdU assay. Cell viability was analyzed by CCK8 method. The expression of vWF was analyzed by immunofluorescence method. Fluorescence probe method was used to detect the intracellular nitric oxide (NO) levels. Tube formation of HHSEC and transgenic zebrafish were also observed to evaluate the effects of cryptotanshinone against angiogenesis. Compared with normal control, there is a proliferation of HHSEC induced by ECGS. The expression of vWF and the NO levels increased significantly. Cryptotanshinone inhibited the proliferation, down regulated the expression of vWF and the NO levels. Further, cryptotanshinone inhibited the tube formation of HHSEC and reduced the number of fu nctional vessels in transgenic zebrafish. The results suggest that cryptotanshinone could inhibit angiogenesis by regulating the HHSEC cell function.

OBJECTIVETo investigate the sensitivity of imatinib mesylate (IM) on Sup-B15 Ph⁺ acute lymphoblastic leukemia (ALL) cells knockdown of VE-cadherin (CD144), and to further explore its mechanism.

METHODSCD144 in Sup-B15 leukemia cells was stably knock downed via lentivirus-mediated RNA interference (named as Sup-B15/shVEC). The inhibitory effects of IM on Sup-B15/shVEC and Sup-B15 leukemia cells were measured by CCK-8 test, and the apoptosis of those cells was determined by AnnexinV/7-AAD dyeing using flow cytometry, the percentage of CD34⁺CD38⁻ leukemia cells also by flow cytometry. ALDH1 mRNA levels were detected by real-time RT-PCR, and protein levels of CD144, CD133, Bcr-abl and β-catenin by Western blot.

RESULTSIM treatment presented inhibitory effects on Sup-B15/shVEC and Sup-B15 leukemia cells at multiple concentrations of IM. The IC50 of IM on Sup-B15/shVEC and Sup-B15 leukemia cells were 25.1μmol/L and 18.7μmol/L, respectively (P<0.05). After 48h of 20 μmol/L IM treatment, the percentages of apoptosis cell in Sup-B15/shVEC cells and Sup-B15 cell were (13.52±2.06)% and (3.03±0.72) %, respectively (P<0.05). The percentage of CD34⁺CD38⁻ cells in Sup-B15 cells was significantly higher than in Sup-B15/shVEC cells [(2.39±0.28)% vs (0.96±0.07)%, P<0.05). As compared to Sup-B15 cells, the transcription of ALDH1 in Sup-B15/shVEC was remarkably downregulated, and the CD133 protein level was also downregulated in Sup-B15/shVEC cells. Both cytoplasmic and nucleic β-catenin protein levels (but not for Bcr-abl levels) decreased in Sup-B15/shVEC cells as compare to Sup-B15 cells.

CONCLUSIONKnockdown of CD144 sensitized Sup-B15 Ph+ ALL cells to IM. The possible mechanisms underlying this phenomenon might be via inhibiting β-catenin nucleic translocation and facilitating β-catenin degradation.

Antigens, CD ; genetics ; Benzamides ; pharmacology ; Cadherins ; genetics ; Cell Line, Tumor ; Drug Resistance, Neoplasm ; genetics ; Endothelium, Vascular ; drug effects ; metabolism ; Gene Knockdown Techniques ; Humans ; Imatinib Mesylate ; Piperazines ; pharmacology ; Precursor Cell Lymphoblastic Leukemia-Lymphoma ; genetics ; metabolism ; Pyrimidines ; pharmacology ; RNA Interference ; beta Catenin ; metabolism

OBJECTIVETo evaluate the therapeutic effect of comprehensive therapeutic protocol of electroacupuncture combined with active-blood-and-dissolve-stasis herbs and rehabilitation training for cerebral infarction.

METHODSA multi-center randomized controlled trial was done, three hundred and twenty cases were divided into four groups: electroacupuncture combined with active-blood and dissolve-stasis herbs and rehabilitation training group (group A), electroacupuncture combined with rehabilitation training group (group B), herbs combined with rehabilitation training group (group C) and rehabilitation training group (group D), 80 cases in each group. The following two groups of acupoints were used alternatively in electroacupuncture treatment: the first group including Vasomotor Area, Jianyu (LI 15), Biguan (ST 31), Hegu (LI 4) and Taichong (LR 3); the second group including Motor Area, Quchi (LI 11), Yanglingquan (GB 34) and Shenshu (BL 23). 20 mL Xiangdan injection and 250 mL 5% glucose injection or 250 mL 0.9% sodium chloride injection were used by intravenous drip in herbs treatment once a day. The rehabilitation training was performed by the professional physical therapist. Each group was treated with corresponding treatment protocol. The therapeutic effect was evaluated by index of the mortality or disability rate 3 months after the onset of disease. The intention to treat analysis (ITT) was used in data.

RESULTSThe mortality or handicap rate 3 months after the onset of disease of four groups were 17.5% (14/80) in group A, 22.5% (18/80) in group B, 40. 0% (32/80) in group C, and 31.3% (25/80) in group D, respectively. The group A has a best therapeutic effect (vs group C, group D, both P<0.05), and there was no adverse event.

CONCLUSIONThe combined application of electroacupuncture, active-blood and dissolve-stasis herbs and rehabilitation training is a better treatment for cerebral infarction in clinic.

Adult ; Aged ; Cerebral Infarction ; drug therapy ; rehabilitation ; therapy ; Combined Modality Therapy ; Drugs, Chinese Herbal ; therapeutic use ; Electroacupuncture ; Female ; Humans ; Male ; Middle Aged

OBJECTIVEThe Ala499Val (C > T) and Lys939Gln (A > C) of the XPC gene are two potentially functional nonsynonymous polymorphisms, which affect the rate of DNA repair and might change XPC production and activity. This study aimed to explore the distribution of these two polymorphisms in the Chinese Han population and their relationship with male infertility.

METHODSWe genotyped the two polymorphisms of the XPC gene by the PCR-restriction fragment length polymorphism (PCR-RFLP) method in 318 infertile patients and 228 fertile male controls, detected the frequency of the alleles, and analyzed both the individual and the joint contribution of the two polymorphisms to male infertility.

RESULTSFor the Ala499Val (C > T) polymorphism, the frequencies of the CC, CT, and TT genotypes were significantly different in distribution between the patients and the controls (P = 0.020). Males with the TT genotype had a lower risk of male infertility than those with the CC genotype (adjusted OR = 0.49, 95% CI: 0.23-0.88), and even lower than those with both CC and CT genotypes (adjusted OR = 0.39, 95% CI: 0.22-0.71). The Lys939Gln (A > C) polymorphism was not related with male infertility. The combined genotype analysis showed that the individuals with 1-4 risk alleles had a significantly higher risk of male infertility (adjusted OR = 2.75, 95% CI = 1.50-5.04) than those with 0 risk allele.

CONCLUSIONThe Ala499Val (C > T) polymorphism of the XPC gene is correlated with male infertility and may be a potential genetic risk factor for male infertility in the Chinese Han population.

Adult ; Alleles ; Asian Continental Ancestry Group ; genetics ; Case-Control Studies ; DNA Repair ; DNA-Binding Proteins ; genetics ; Gene Frequency ; Genetic Predisposition to Disease ; Genotype ; Humans ; Infertility, Male ; genetics ; Male ; Polymorphism, Genetic ; Risk Factors

Brain Injuries ; pathology ; surgery ; China ; Craniotomy ; Earthquakes ; Hematoma, Epidural, Cranial ; pathology ; surgery ; Humans ; Male ; Middle Aged ; Time Factors ; Treatment Outcome

OBJECTIVETo analyze the numerical aberration of chromosome X, Y and 18 in the spermatozoa of asthenospermia patients by triple-color fluorescence in situ hybridization.

METHODSThe experiment included 10 asthenospermia patients and 5 healthy men with normal semen quality as controls. Fluorescence in situ hybridization (FISH) and probes for chromosomes including X, Y and 18 were used to determine the frequency of the aneuploid of the chromosomes in spermatozoa.

RESULTSOf the 45,547 spermatozoa counted from the semen samples, the hybridization rate was 99.18%. The frequencies of the chromosome disomies including XX18, XY18, YY18, X1818 and Y1818 were (0.124 +/- -0.086)%, (0.360 +/- 0.380)%, (0.109 +/- 0.195)%, (0.342 +/- 0.746)% and (0.299 +/- 0.564)% in the case group and (0.014 +/- 0.019)%, (0.090 +/- 0.080)%, (0.030 +/- 0.031)%, (0.068 +/- 0.103)% and (0.075 +/- 0.083)% in the control. The sperm aneuploid rate was 9.25% in the former and 2.70% in the latter, with significant difference in between (P< 0.01).

CONCLUSIONAsthenospermia patients have a higher aneuploid rate of sperm chromosome than normal fertile men. However, larger samples are yet to be studied to obtain more scientific evidence.

Aneuploidy ; Asthenozoospermia ; genetics ; Chromosome Painting ; methods ; Chromosomes, Human, Pair 18 ; Chromosomes, Human, X ; Chromosomes, Human, Y ; Humans ; Male ; Sex Chromosome Aberrations ; Spermatozoa ; metabolism