1.Advances in antiviral research of adaptor-associated protein kinase 1 (AAK1) inhibitors
Xiang QI ; Song-wei JIANG ; Ying-hui YUAN ; Li XU ; Zi HUI ; Xiang-yang YE ; Tian XIE
Acta Pharmaceutica Sinica 2022;57(7):1991-2002
As one of the major sources of infection, viruses could infect all organisms including bacteria, plants, animals, and humans. Infectious diseases caused by viruses pose a great threat and damage to human health and economic activities all over the world. Adaptor-associated protein kinase 1 (AAK1) is a member of the Ark1/Prk1 family of serine/threonine kinases and a specific key kinase regulating the phosphorylation of AP-2 protein μ2 subunit T156. In the past, AAK1 has been regarded as a feasible biological target for the treatment of nerve pain. Recently, scientists have found that inhibiting AAK1 can regulate endocytosis and inhibit virus invasion into cells. Therefore, AAK1 could be the potential target of anti-virus therapy. This paper reviews the research progress of small molecule AAK1 inhibitors in the field of antiviral, analyzes the future research directions and challenges, and provides new ideas for the development of antiviral drugs targeting AAK1.
2.Correlation between image quality and radiation dose on screening mammography
Ying MIAO ; Junfeng SONG ; Weifei CHEN ; Bailin WANG ; Xuwen XIANG ; Cong CAI ; Liqing ANG
Chinese Journal of Radiological Medicine and Protection 2011;31(5):606-609
Objective To obtain the matched parameters between image quality and radiation dose by exploring the influence of the exposure parameters of screening mammography on both the image quality and radiation dose.Methods The correlation between the exposure parameters and average glandular doses to 507 patients undergoing screening mammography were retrospectively analyzed.The influence of breast compression thickness on radiation dose by exposing different thickness of PMMA was obtained.The correlation with image quality was analyzed by combined testing of contrast detail test mode ( CDMAM3.4 )and different thickness of PMMAs.Results The groups aged 30 to 49 years were the main groups in 507examined patients,up to 67.06% of the total.The mean value of average gland doses ( AGD ) in contrastprior mode was the highest in three kinds of exposure modes,accounting for 137.5% of standard mode.In standard mode,target material/filtration board combination was Mo/Mo,Mo/Rh and Rh/Rh,accounting for 1/3 respectively.Mo/Rh and Rh/Rh were selected in dose-prior mode,accounting for 50% respectively.Mo/Mo was mainly selected in contrast-prior,accounting for 52%.Breast compression thickness was positively correlated with average gland doses.Image quality figure inverse (IQFinv) under three kinds of modes (STD,DOSE,CNT) was 98.32,95.41 and 107.02,respectively,and IQFinv of contrast-prior mode was the highest among them.IQFinv was in general agreement in the three kinds of exposure modes when the thickness of PMMA plates plates was greater than or equal to 5 cm.Conclusions In clinical practice,when the breast is of density type and pressed thickness is less than 4 em,the dose-prior mode should be selected.When the pressed thickness is between 4 and 6 cm,the standard exposure mode should be selected.When the pressed thickness is larger than 6 cm,the manual mode should be selected.
3.Fast measurement method based on near infrared spectroscopy in purifying process of Carthamus tinctorius extracts.
Xue-Ying CHEN ; Xiang XU ; Yong CHEN ; Xue-Song LIU
China Journal of Chinese Materia Medica 2012;37(20):3062-3067
OBJECTIVETo really realize quality control of Chinese herb purifying process, near-infrared spectroscopy (NIRS) was used not only for fast monitoring quality-control index of the process, but also for fast judgment of absorption endpoint.
METHODThe purification process of Carthamus tinctorius extracts with nonionic macroreticular resin was selected as an example. HPLC was used as the reference method to determine the content of HSYA. Quantitative and qualitative detection modes of purification were developed by NIRS combined with partial least squares (PLS) and moving block of standard deviation (MBSD).
RESULTThe correlation coefficient of the calibration model was 0.999, and the RPD for calibration and validation were above 5, of 5.54 and 5.22, respectively. Based on acquisition spectra, absorption endpoint calculated by MBSD was close to that by HPLC, Only 1 min deviation.
CONCLUSIONThe method mentioned above is proved to be convenient, rapid and nondestructive, and is applicable for fast monitoring the content of HSYA and fast judgment of absorption endpoint in purifying process of C. tinctorius extracts.
Carthamus tinctorius ; chemistry ; Chromatography, High Pressure Liquid ; Drugs, Chinese Herbal ; analysis ; isolation & purification ; Spectroscopy, Near-Infrared ; methods
4.A randomized controlled trials on treatment of cervicogenic sudden hearing loss with chiropractic.
Xiang ZHOU ; Hua-song LUO ; Jia-ying HE ; Rui WANG ; Yi ZHUANG ; Qiang ZHAN
China Journal of Orthopaedics and Traumatology 2015;28(1):62-65
OBJECTIVETo investigate the clinical effect and safety of chiropractic in treating cervicogenic sudden hearing loss.
METHODSFrom January 2011 to October 2013, 90 patients with cervicogenic sudden hearing loss were randomly divided into treatment group and control group according to the random number table produced by SPSS 19.0 software. In the treatment group, there were 17 males and 28 females, aged from 31 to 62 years old with an average of (47.57±9.43) years; course of disease was from 1 to 3 days with an average of (1.43±0.68) days; pure-tone audiometry score was from 46.5 to 77.8 dB with the mean of (61.20±9.83) dB; Northwick Park Neck Pain Questionnaire (NPQ) score was from 17 to 31 scores with an average of (23.46±7.18) scores. In the control group, there were 15 males and 30 females, aged from 28 to 64 years old with an average of (45.77±6.99) years; course of disease was from 1 to 3 days with an average of (1.50±0.73) days; pure-tone audiometry score was from 48.1 to 75.0 dB with the mean of (63.91±8.05) dB; Northwick Park Neck Pain Questionnaire (NPQ) score was from 20 to 29 scores with an average of (25.61±10.43) scores. The patients of control group were treated with dexamethasone intravenous drip of 10 mg, 3 days later, decreased to 5 mg, 3 days again. And with the methycobal intravenous drip of 500 μg, treatment continued for 10 days. The patients of treatment group were treated with chiropractic additionally except for the therapeutic methods of control group. Chiropractic included local muscle loosening, attacking point, bilateral pulling atlanto-axial joint, and continuous treatment for 10 days. The pure-tone audiometry score and NPQ score were compared between two groups after treatment.
RESULTSAfter the treatment, pure-tone audiometry score and NPQ score in treatment group improved to (40.23± 8.14) dB and (12.70±8.29) scores respectively, which were obviously better than that of control group's (37.70±10.61) dB and (21.24±11.13) scores (P<0.05).
CONCLUSIONCompared with routine method for cervicogenic sudden hearing loss, additional chiropractic can improve hearing and relieve neck pain effectively.
Cervical Vertebrae ; Female ; Hearing Loss, Sudden ; therapy ; Humans ; Male ; Manipulation, Chiropractic ; methods ; Medicine, Chinese Traditional ; Middle Aged
5.Fetal alobar holoprosencephaly: report of a case.
Ying WU ; Han-Song CHEN ; Shou-Xiang WENG ; Pei-Nong YANG ; Cheng XU
Chinese Journal of Pathology 2007;36(2):140-141
6.Clinical randomized controlled trials of acupoint catgut-embedding for simple obesity: a meta-analysis.
Jian-Qiong LIAO ; Xiang SONG ; Ying CHEN ; Li-Chang LIANG ; Sheng-Xu WANG
Chinese Acupuncture & Moxibustion 2014;34(6):621-626
The clinical therapeutic effect of acupoint catgut-embedding for simple obesity was systemically analyzed to provide reference and assistance for its clinical treatment and research. By searching in the CBM, CNKI, VIP, Wanfang, Pubmed, Springer and Medline databases, clinical randomized controlled trials (RCT) of acupoint catgut-embedding for simple obesity published from Jan, 2009 to July, 2013 were collected while Revman 5. 2 software was applied to perform the Meta-analysis. Totally 19 articles were acquired with 1 658 cases involved. The effective rate was selected as primary outcome measure in 19 articles. The Meta-analysis was performed among homogeneous researches. The results indicated that compared with other therapies, pooled OR of acupoint catgut-embedding was 2.45 with 95% CI [1.81, 3.32]; in the test for overall effect, Z = 5.81, implying the efficacy difference of two therapies was significant in the treatment of simple obesity (P < 0.01). In subgroups analysis, in the event of treatment session with more than 3 months, compared with other therapies, pooled OR of acupoint catgut-embedding was 2.61 with 95% CI [1.53, 4.46]; in test for overall effect, Z = 3.51, implying the efficacy difference of two therapies was significant in the treatment of simple obesity (P < 0.01); in the event of treatment session with less than 3 months, compared with other therapies, pooled OR of acupoint catgut-embedding was 2.38 with 95% CI [1.65, 3.44]; in test for overall effect, Z = 4.46, implying in the treatment of simple obesity the efficacy difference of two therapies was significant (P < 0.01). Compared with electroacupuncture, OR of acupoint catgut-embedding was 1.79, 95% CI [1.08, 2.95] (P = 0.02). Compared with acupuncture, OR of acupoint catgut-embedding was 1.89, 95% CI [1.16, 3.09] (P = 0.01), which explained that compared with electroacupuncture and acupuncture, the efficacy of acupoint catgut-embedding was significantly different. In a word, the clinical efficacy of acupoint catgut-embedding is superior to other therapies in the treatment of simple obesity.
Acupuncture Points
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Acupuncture Therapy
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Catgut
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Electroacupuncture
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Humans
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Obesity
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therapy
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Randomized Controlled Trials as Topic
7.Cloning and expression analysis of a key device of HMGR gene involved in ginsenoside biosynthesis of Panax ginseng via synthetic biology approach.
Hongmei LUO ; Jingyuan SONG ; Xueying LI ; Chao SUN ; Chunfang LI ; Xiang LUO ; Ying LI ; Shilin CHEN
Acta Pharmaceutica Sinica 2013;48(2):219-27
3-Hydroxy-3-methylglutaryl coenzyme-A reductase (HMGR), the first enzyme of mavalonic acid pathway, is one of the key devices involved in ginsenoside biosynthesis based on synthetic biology approach. The open reading frame of a novel HMGR gene from Panax ginseng (PgHMGR2) was cloned and analyzed in this study. PgHMGR2-encoding protein showed 71.6% sequence similarity to a P. ginseng HMGR in GenBank. The full-length cDNA sequence of PgHMGR2 containing 1 770 bp, which encodes 589 amino acids, was cloned by RT-PCR strategy from P. ginseng. The bioinformatic analysis showed that PgHMGR2-encoding protein contained two transmembrane regions and the HMG_CoA_reductase domain, without signal peptide. The protein sequence of PgHMGR2 had the highest sequence similarity (99%) with Panax quinquefolius HMGR (GenBank accession No. ACV65036). The expression level of PgHMGR2 was the highest in flower based on a real-time PCR analysis, followed by leaf and root, and the lowest was in stem. The result will provide a foundation for exploring the molecular function of PgHMGR2 involved in ginsenoside biosynthesis based on synthetic biology approach in P. ginseng plants.
8.Clinical curative effect analysis of the intravitreal injection of anti VEGF antibody combined with Ex -press glaucoma drainage device for neovascular glaucoma
Xiang-Zhong, XU ; Jin, YAO ; Yu-Chen, SONG ; Ying-Nan, XU ; Guo-Fan, CAO
International Eye Science 2016;16(8):1564-1566
?AIM: To observe the clinical curative effect of the intravitreal injection of anti-VEGF antibody combined with the implantation of Ex-press glaucoma drainage device for neovascular glaucoma ( NG) .?METHODS:A retrospective analysis of 20 patients with NG, who got the intravitreal injection of anti -VEGF antibody combined with the implantation of Ex-press. The visual acuity, intraocular pressure ( IOP ) , iris neovascularization fade and intraoperative and postoperative complications were observed at 1wk, 1, 3 and 6mo postoperatively.?RESULTS:The average IOPs of 20 patients were 47 ± 5.6mmHg, 13.4 ±3.6mmHg, 15.3 ±4.2mmHg, 16.9 ± 5.3mmHg and 18.7 ±6.9mmHg preoperatively and postoperatively 1wk, 1mo, 3mo and 6mo with statistical difference (P<0.05).The intraoperative and postoperative complications of the implantation of Ex-press mainly included early shallow anterior chamber, drainage tube obstruction, filtering bleb scarring. There were 8 eyes with filtering bleb scarring with normal IOP.?CONCLUSION: The intravitreal injection of anti-VEGF antibody combined with implantation of Ex -press is effective for NG, which can significantly reduce the IOP.
9.Cytogenetics and Polygenic Factor Analysis of 364 Female Children with Short Stature
qi-lian, ZOU ; xiang-quan, LIN ; jun, SONG ; ying-chun, LIU
Journal of Applied Clinical Pediatrics 2006;0(20):-
Objective To explore the effect of chromosomal abnormality and polygenic inheritance factor in female children with short stature.Methods 1.Chromosome analysis:peripheral blood was drawn for 1 mL and cultured 72 h to analyze chromosome karyotype (Giemsa Banding ) of peripheral lymphocytes.2.Polygenic factor analysis:the children′s final height were estimated based on their parents average height,and analyzed the distribution characteristics of children′s final height and compared the estimate final height with the actual height.Results Eighty-three cases out of the 364 female children with short stature were chromosomal abnormality(22.80%).Among the 83 cases,the 45,XO and 46,X,i(Xq) occupied 70%.The distribution of children target height shifted left,and the target height of 76 cases was lower than 2 standard deviation (-2 s)and the consistency of target height and actual height reached 20.88%.The target height of 7 cases was lower than 2 standard deviation in those whose chromosome turned out to be abnormal,and the consistency of target height and actual height was 8.43%.Conclusions Chromosomal abnormality is one of the most important etiologic agents causing short stature in female children, and polygenic inheritance is another important etiologic agent.
10.Effection of Prolactin on Immunoresponsiveness of Activated T Lymphocytes Induced by Concanavalin A
zhi-guo, NIU ; ying, SHI ; xiang-feng, SONG ; lan-zhi, MAO
Journal of Applied Clinical Pediatrics 2006;0(22):-
Objective To study the effect of prolactin(PRL) on the activation of T lymphocytes stmiulated by concanavalin A(ConA),and to explore the action of PRL in the activation of T lymphocytes. Methods After CD4 +T cell line JurkatE6-1 cells were respectively stmiulated by 5 mg/L ConA,25 ?g/L PRL and 500 ?g/L bromocriptine(Brc).The blank control group,the ConA group,the PRL and ConA group(PRL group),the Brc and ConA group(Brc group),the PRL and Brc group(PRL-Brc group) were set in the experiment.The total RNA was extracted by Trizol after 48 hours and was reversed transcription immediately.The expression of tumor necrosis factor receptor associated factor 6(TRAF6) mRNA of T lymphocytes was checked by PCR.The expressions of tumor necrosis factor(ligand) super family 4(TNFSF4) and Killer specific secretory protein of 37 000(KSP37) mRNA of T lymphocytes were detected by real-time polymerase chain reaction. Results The PRL group and the Brc group could inhibit the expressions of TRAF6,TNFSF4,and KSP37 mRNA of the activated T lymphocyte compared with the blank control group and the ConA group(P a0.05).The PRL-Brc group could inhibit significantly the expressions of TRAF6,TNFSF4,and KSP37 mRNA of the activated T lymphocyte compared with the ConA group(P a