8676
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Berlyne GM, Kwan T, Li J, Caruso C. Oedema protein concentrations for differentiation of cellulitis and deep vein thrombosis. Lancet 1989; 2:728-9. [PMID: 2570970 DOI: 10.1016/s0140-6736(89)90783-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The differentiation between cellulitis and deep vein thrombosis was investigated in a series of patients with acutely swollen, painful, red legs. Oedema-fluid protein concentrations (as mean [SD]) were significantly higher in patients with cellulitis than in those with deep vein thrombosis (19.8 g/l [5.0] vs 5.85 g/l [1.6]), and the oncotic pressure of oedema-fluid was also significantly higher in cellulitis (6.3 mm Hg [1.3] vs 2.1 mm Hg [0.6]). In hospitals where phlebography, plethysmography, or doppler ultrasound are not available, measurement of oedema-fluid protein concentrations may be a rapid and inexpensive guide to the cause of a red, swollen leg.
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8677
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Chen ZQ, Guan LM, Liu XQ, Qu G, Lei XK, Zhang M, Li J. [Observation on enhanced adhesion to dentin by amino acid]. HUA XI YI KE DA XUE XUE BAO = JOURNAL OF WEST CHINA UNIVERSITY OF MEDICAL SCIENCES = HUAXI YIKE DAXUE XUEBAO 1989; 20:315-6. [PMID: 2696723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An amino acid was adopted to pretreat the surface of dentin. The bond strength between GP adhesive and dentin mediated by the amino acid was enhanced after the pretreatment. Furthermore, the longer the stored time of extracted tooth was, the better the effect of adhesion was. This pretreatment will benefit the adhesive restoration for dead tooth or low activity tooth clinically.
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8678
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Li J, Ellen RP. Relative adherence of Bacteroides species and strains to Actinomyces viscosus on saliva-coated hydroxyapatite. J Dent Res 1989; 68:1308-12. [PMID: 2550532 DOI: 10.1177/00220345890680090301] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The study was designed to compare the adherence of several Bacteroides species to A. viscosus. Using 3H, we labeled 24 laboratory strains, including 13 Bacteroides species and 11 fresh clinical isolates of three Bacteroides species. Their adherence to A. viscosus bound to a saliva-coated mineral surface was quantified by liquid scintillation. Adherence relative to a standard strain, B. gingivalis 2561, was compared. Among the lab bacteroides, those of B. gingivalis (eight strains) were the greatest binders (mean, 80.5 +/- 12.4%). Strains of other lab bacteroides bound less well (mean, 33.4 +/- 6.3%). The difference in means was statistically significant (p less than 0.01). The mean for B. gingivalis strains was also significantly greater than that for strains of B. intermedius (51.7 +/- 6.2%). Attachment of B. gingivalis was saturable in experiments in which either input concentration or time was the independent variable, indicating that B. gingivalis cells do not accumulate in this vitro simulation of plaque formation by binding to each other. Subculture did not seem to affect the degree of binding.
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8679
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8680
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Carroll J, Li J, Ellar DJ. Proteolytic processing of a coleopteran-specific delta-endotoxin produced by Bacillus thuringiensis var. tenebrionis. Biochem J 1989; 261:99-105. [PMID: 2549968 PMCID: PMC1138787 DOI: 10.1042/bj2610099] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Insecticidal protein delta-endotoxin crystals harvested from sporulated cultures of Bacillus thuringiensis var. tenebrionis contain a major polypeptide of 67 kDa and minor polypeptides of 73, 72, 55 and 46 kDa. During sporulation, only the 73 kDa polypeptide could be detected at stage I. The 67 kDa polypeptide was first detected at stage II and increased in concentration throughout the later stages of sporulation and after crystal release, with a concomitant decrease in the 73 kDa polypeptide. This change could be blocked by the addition of proteinase inhibitors. Trypsin or insect-gut-extract treatment of the delta-endotoxin crystals after solubilization resulted in a cleavage product of 55 kDa with asparagine-159 of the deduced amino acid sequence of the toxin [Höfte, Seurinck, van Houtven & Vaeck (1987) Nucleic Acids Res. 15, 71-83; Sekar, Thompson, Maroney, Bookland & Adang (1987) Proc. Natl. Acad. Sci. U.S.A. 84, 7036-7040; McPherson, Perlak, Fuchs, Marrone, Lavrik & Fischhoff (1988) Biotechnology 6, 61-66] at the N-terminus. This polypeptide was found to be as toxic in vivo as native delta-endotoxin.
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8681
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Hu ZP, Li J, Wu NJ, Ignatiev A. Surface structure of the C(0001)-(2 x 2)Cs system: Low-energy electron-diffraction dynamical calculation. PHYSICAL REVIEW. B, CONDENSED MATTER 1989; 39:13201-13205. [PMID: 9948219 DOI: 10.1103/physrevb.39.13201] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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8682
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Li J, Wang SQ, Mayer JW, Tu KN. Oxygen-diffusion-induced phase boundary migration in copper oxide thin films. PHYSICAL REVIEW. B, CONDENSED MATTER 1989; 39:12367-12370. [PMID: 9948095 DOI: 10.1103/physrevb.39.12367] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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8683
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Peto R, Boreham J, Chen J, Li J, Campbell TC, Brun T. Plasma cholesterol, coronary heart disease, and cancer. BMJ (CLINICAL RESEARCH ED.) 1989; 298:1249. [PMID: 2502232 PMCID: PMC1836241 DOI: 10.1136/bmj.298.6682.1249] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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8684
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Li J, Jiang YY, Yue TL. [Inhibition of release of prostaglandins and leukotrienes from calcimycin-induced mouse peritoneal macrophages and bovine aorta endothelial cells by anisodamine]. ZHONGGUO YAO LI XUE BAO = ACTA PHARMACOLOGICA SINICA 1989; 10:274-8. [PMID: 2558499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
[3H]Arachidonic acid (AA)-prelabeled mouse peritoneal macrophages were stimulated by calcium ionophore A-23187 to release [3H]AA metabolites. The major labeled products which were co-chromatographed with the authentic PG and LT standards by TLC and determined by liquid scintillation were 6-keto-PGF1 alpha, PGE2, LTC4, and LTB4. Anisodamine (Ani) significantly inhibited the A-23187-induced release of PG and LT from mouse macrophages in a dose-dependent manner. In the presence of Ani at 0.5 mmol/L, the A-23187-induced release of 6-keto-PGF1 alpha, PGE2, LTC4 and LTB4 was reduced by 57%, 20%, 53% and 49%, respectively. A-23187-induced release of 6-keto-PGF1 alpha measured by RIA from bovine aorta endothelial cells was also significantly inhibited by Ani in a dose-dependent manner. These results indicate that the calcium-antagonistic effects of Ani may not only play a significant role in its inhibiting release of PG and LT, but also contribute to its salutary effects in the treatment of septic shock.
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8685
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Park IH, Schnetzer S, Green J, Sakamoto S, Sannes F, Stone R, Trentalange S, Vinson J, Bacala A, Imlay R, Kirk P, Lim J, McNeil RR, Metcalf W, Cheng CP, Li J, Li YK, Mao ZP, Xu YT, Zhu YC, Abashian A, Gotow K, Low EH, Mattson ME, Naito F, Piilonen L, Sterner KL, Lusin S, Rosenfeld C, Wang AT, Wilson S, Frautschi M, Kagan H, Kass R, Trahern CG, Ko W, Lander RL, Maeshima K, Malchow RL, Smith JR, Sparks K, Williams MC, Abe K, Fujii Y, Higashi Y, Kim SK, Kurihara Y, Maki A, Nozaki T, Omori T, Sagawa H, Sakai Y, Sugimoto Y, Takaiwa Y, Terada S, Tsuchiya K, Kajino F, Perticone D, Poling R, Thomas T, Ishi Y, Miyano K, Miyata H, Yamashita Y. Experimental evidence for the non-Abelian nature of QCD from a study of multijet events produced in e+e- annihilation. PHYSICAL REVIEW LETTERS 1989; 62:1713-1716. [PMID: 10039748 DOI: 10.1103/physrevlett.62.1713] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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8686
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Waki S, Li J, Zhu MY, Qian YL, Takagi T, Chen L, Gu HM, Suzuki M. A field trial of a fluorometric in vitro drug sensitivity test for Plasmodium falciparum in Hainan Island. Trans R Soc Trop Med Hyg 1989; 83:165-6. [PMID: 2692223 DOI: 10.1016/0035-9203(89)90629-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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8687
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Deymier P, Janot L, Li J, Dobrzynski L. Elastic energy of interaction of a point defect with a grain boundary. PHYSICAL REVIEW. B, CONDENSED MATTER 1989; 39:1512-1517. [PMID: 9948361 DOI: 10.1103/physrevb.39.1512] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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8688
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Ma J, Wang K, Li J, Ogawa Y, Inomata T, Maeda T. [A study of brain CT on neurological endemic cretinism]. RINSHO HOSHASEN. CLINICAL RADIOGRAPHY 1988; 33:1667-70. [PMID: 3236476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8689
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Hauser C, Fusswinkel H, Li J, Oellig C, Kunze R, Müller-Neumann M, Heinlein M, Starlinger P, Doerfler W. Overproduction of the protein encoded by the maize transposable element Ac in insect cells by a baculovirus vector. MOLECULAR & GENERAL GENETICS : MGG 1988; 214:373-8. [PMID: 2851092 DOI: 10.1007/bf00330469] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The polypeptide encoded in the Activator (Ac) element of Zea mays L. has been expressed in Spodoptera frugiperda insect cells using plasmids which carry the strong polyhedrin promoter of the baculovirus Autographa californica nuclear polyhedrosis virus (AcNPV). Recombinant AcNPVs with the Ac-cDNA integrated and under the control of the viral polyhedrin promoter have been isolated and their genomes have been partly characterized as to the location of the foreign DNA insert. Upon infection of S. frugiperda cells with the recombinant AcNPV, maize Ac element specific messenger RNAs, as well as a newly synthesized polypeptide with an apparent molecular weight of about 116 kDa, have been detected in extracts of recombinant infected cells. This polypeptide is absent from extracts of wild-type infected cells expressing the polyhedrin polypeptide which can be recognized by the presence of nuclear inclusion bodies. Recombinant infected cells lack this protein. The Ac specific polypeptide is detected by antisera, which have been raised against fusion proteins containing Ac sequences synthesized in Escherichia coli, both in immunoprecipitation and in Western blotting experiments. The Ac specific protein is a nuclear phosphoprotein and represents about 1%-2% of the newly synthesized protein.
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8690
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Zhang XB, Li J. [Morphological changes of platelet in cholesterol-fed rabbits]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 1988; 17:216-8. [PMID: 3228915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8691
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Su YH, Li J. [Transmission electron microscopic observations on the aortic intimal changes in the early stages of experimental atherosclerosis]. ZHONGHUA XIN XUE GUAN BING ZA ZHI 1988; 16:234-5, 255. [PMID: 3229336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8692
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Swindle J, Zylicz M, Georgopoulos C, Li J, Greenblatt J. Purification and properties of the NusB protein of Escherichia coli. J Biol Chem 1988; 263:10229-35. [PMID: 2839479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Mutations in the nusB gene of Escherichia coli block transcriptional antitermination mediated by the N gene protein of bacteriophage lambda. We describe here two methods of overproducing the NusB protein in E. coli and a method of purifying NusB to apparent homogeneity on a large scale. Purified NusB directly stimulates transcriptional antitermination by the lambda N protein in vitro. It behaves as a monomer (Mr = 15,689) during gel permeation chromatography and gradient sedimentation. The number of NusB molecules in a wild type E. coli K12 cell ranges from about 3,000 to about 6,000 molecules/cell, depending on the growth medium, and is about 50-80% of the number of molecules of the core component of RNA polymerase in the cell. This implies that NusB has a major role in regulating chain elongation during the transcription of E. coli genes. Many E. coli strains with nusB mutations cannot grow at low temperature. However, a sup+ strain with the suppressible amber mutation nusBam115 can grow at 42 degrees C. Since such a strain does not produce NusB protein detectable by immunoprecipitation with anti-NusB, normal amounts of NusB are not essential for the survival of E. coli at 42 degrees C.
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8693
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Xia LW, Liang SX, Jiang JW, Zhou XJ, Li J. Trace element content in drinking water of nasopharyngeal carcinoma patients. Cancer Lett 1988; 41:91-7. [PMID: 3390805 DOI: 10.1016/0304-3835(88)90059-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Chinese in the Xiangxi region of Hunan province in China have a high incidence of nasopharyngeal carcinoma (NPC). For analyzing the relation between NPC and trace elements, the concentrations of 7 trace elements in drinking water (well water) of high- and low-incidence areas were measured (75 samples). The results showed that the concentrations of Ni, Zn and Cd in drinking water of high-incidence areas were significantly higher than those in low-incidence areas. Especially, the Ni level in drinking water had a significant positive correlation with NPC mortality. These observations are consistent with earlier studies. We also found a highly positive correlation between Ni/pH value in drinking water and NPC mortality. This suggests that only considering the ion concentration in drinking water is not enough, we should also pay attention to the pH of the drinking water when we study the relation between NPC and trace elements. Because the pH of the medium can strongly affect trace element chemical characteristics and its metabolic state in living systems, the M/pH (M, metal concentration) may be an important factor worthy of further research.
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8694
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Li J, Han YY, Liu JS. [Studies on triterpenoids of Huperzia serrata Thunb]. YAO XUE XUE BAO = ACTA PHARMACEUTICA SINICA 1988; 23:549-52. [PMID: 3218528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8695
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8696
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Li J. [Some experience in antiepileptic treatment drugs monitoring in clinic]. ZHONGHUA SHEN JING JING SHEN KE ZA ZHI = CHINESE JOURNAL OF NEUROLOGY AND PSYCHIATRY 1988; 21:145-8, 188-9. [PMID: 2906582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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8697
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He SF, Li J, Zhang XT. [Convergence of somatic and visceral afferent impulses in the parafascicular nucleus of the rat]. SHENG LI XUE BAO : [ACTA PHYSIOLOGICA SINICA] 1988; 40:111-6. [PMID: 3201260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8698
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Qiao WJ, Li Y, Bi YS, Li J. A newly designed high-pressure wet digester and its application to trace element analysis in human body. JOURNAL OF TONGJI MEDICAL UNIVERSITY = TONG JI YI KE DA XUE XUE BAO 1988; 8:51-5. [PMID: 3199485 DOI: 10.1007/bf02887779] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8699
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Zhou YH, Yuan NF, Li J, Liu MX. [Comparison of the stereovisual acuity, Randot stereotests, Frisby stereotest, Wirt test, TNO test of 442 normal children with stereovisual test chart]. YAN KE XUE BAO = EYE SCIENCE 1988; 4:60-4. [PMID: 3240805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8700
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Gu HM, Waki S, Zhu MY, Li J, Qian YL, Li GD, Chen L. Fluorometric determination of the antimalarial efficacy of artemisinin and artemether against Plasmodium falciparum in vitro. ZHONGGUO YAO LI XUE BAO = ACTA PHARMACOLOGICA SINICA 1988; 9:160-3. [PMID: 3055818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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