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Zhang Z, Dai D, Yu K, Yuan F, Jin J, Ding L, Hao Y, Liang F, Liu N, Zhao X, Long J, Xi Y, Sun YY. Association of HLA-B27 and ERAP1 with ankylosing spondylitis susceptibility in Beijing Han Chinese. ACTA ACUST UNITED AC 2014; 83:324-9. [PMID: 24666027 DOI: 10.1111/tan.12334] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 02/11/2014] [Accepted: 02/13/2014] [Indexed: 12/30/2022]
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Li QY, Chen KJ, Jin J, Zheng SS. Guide wire-assisted technique to access the bile duct with biopsy forceps for repositioning and removal of metal stents. Endoscopy 2014; 45 Suppl 2 UCTN:E273-4. [PMID: 24008462 DOI: 10.1055/s-0033-1344591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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353
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Jin J, Wang Y, Wang J, Xu Y, Chen SL, Wang JP, Su YP. Impaired hematopoiesis and delayed thrombopoietic recovery following sublethal irradiation in SRC‑3 knockout mice. Mol Med Rep 2014; 9:1629-33. [PMID: 24626603 PMCID: PMC4020484 DOI: 10.3892/mmr.2014.2043] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 02/18/2014] [Indexed: 12/19/2022] Open
Abstract
The objective of the present study was to investigate the role of the steroid receptor coactivator-3 (SRC-3) in hematopoiesis of mouse bone marrow (BM) following total body irradiation (TBI). SRC-3−/− mice and wild-type (WT) mice were exposed to 4.5 Gy γ rays. Immunoblotting analysis revealed that the SRC-3 protein (p160) levels in normal BM-nucleated cells in WT were higher than in SRC-3−/− mice. Furthermore, peripheral blood cell counts, BM cellularity and colony-forming unit (CFU) assays were performed following irradiation. The results showed that peripheral blood cells were significantly lower in number and recovered less rapidly in irradiated SRC-3−/− mice as compared with control animals. BM-nucleated cell and CFU counts were significantly decreased in SRC-3−/− mice on the 7th and 14th day. Of note, the recovery of platelet (PLT) and megakaryocytic lineage were more depressed than the granulocytic and erythroid lineage in SRC-3−/− mice. In conclusion, the present study demonstrated that the hematopoietic ability in SRC-3 knockout mice is severely impaired following a sublethal dose of irradiation.
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Jin J, Machado E, Yu H, Zhang X, Lu Z, Li Y, Lopes-Virella M, Kirkwood K, Huang Y. Simvastatin inhibits LPS-induced alveolar bone loss during metabolic syndrome. J Dent Res 2014; 93:294-9. [PMID: 24352501 PMCID: PMC3929976 DOI: 10.1177/0022034513516980] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 11/19/2013] [Accepted: 11/25/2013] [Indexed: 11/15/2022] Open
Abstract
Studies in recent years have shown a positive relationship between metabolic syndrome (MS) and periodontal disease (PD). Given that patients with MS take statins to reduce cholesterol, and statins also have anti-inflammatory effects, it is important to determine if statin intake hinders the progression of MS-associated PD. In this study, PD was induced in Zucker fat rats (ZFRs), an animal model for MS, and in control lean rats by periodontal injection of Aggregatibacter actinomycetemcomitans lipopolysaccharide (LPS), while simvastatin was given to some of the rats via gavage. After 4 wk of treatment, alveolar bone loss was determined by micro-computed tomography. To explore the underlying mechanisms, we determined the effect of simvastatin on tissue inflammation and the expression of molecules involved in osteoclastogenesis. Results showed that while bone loss was increased by LPS in both ZFRs and the control lean rats, it was significantly more in the former than the latter. Simvastatin effectively alleviated bone loss in both ZFRs and the control rats. Results also showed that LPS stimulated leukocyte tissue infiltration and expression of molecules for osteoclastogenesis, but simvastatin significantly modulated the stimulation. This study demonstrated that simvastatin inhibited LPS-induced alveolar bone loss and periodontal tissue inflammation in rats with MS.
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Zhang B, Jin J, Ye Z, Zheng H. Thoracoscopic surgery for pulmonary oncocytoma, an uncommon neoplasm. ACTA ACUST UNITED AC 2014; 21:e166-8. [PMID: 24523615 DOI: 10.3747/co.21.1713] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Oncocytoma is an uncommon neoplasm with a characteristic histologic feature of abundant eosinophilic granular cytoplasm. It almost always occurs in kidney, thyroid, or salivary gland. Pulmonary oncocytoma is a rare pulmonary neoplasm, with fewer than 10 cases reported so far in the available English literature. We encountered one such case that was successfully managed by thoracoscopic lobectomy.
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Ren H, Jin J. EP-1269: Preoperative capecitabine, bevacizumab and IMRT for rectal cancer ñongoing two stage phase II trial. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)31387-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Dangelmaier C, Manne BK, Liverani E, Jin J, Bray P, Kunapuli SP. PDK1 selectively phosphorylates Thr(308) on Akt and contributes to human platelet functional responses. Thromb Haemost 2013; 111:508-17. [PMID: 24352480 DOI: 10.1160/th13-06-0484] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Accepted: 11/14/2013] [Indexed: 11/05/2022]
Abstract
3-phosphoinositide-dependent protein kinase 1 (PDK1), a member of the protein A,G and C (AGC) family of proteins, is a Ser/Thr protein kinase that can phosphorylate and activate other protein kinases from the AGC family, including Akt at Thr308, all of which play important roles in mediating cellular responses. The functional role of PDK1 or the importance of phosphorylation of Akt on Thr308 for its activity has not been investigated in human platelets. In this study, we tested two pharmacological inhibitors of PDK1, BX795 and BX912, to assess the role of Thr308 phosphorylation on Akt. PAR4-induced phosphorylation of Akt on Thr308 was inhibited by BX795 without affecting phosphorylation of Akt on Ser473. The lack of Thr308 phosphorylation on Akt also led to the inhibition of PAR4-induced phosphorylation of two downstream substrates of Akt, viz. GSK3β and PRAS40. In vitro kinase activity of Akt was completely abolished if Thr308 on Akt was not phosphorylated. BX795 caused inhibition of 2-MeSADP-induced or collagen-induced aggregation, ATP secretion and thromboxane generation. Primary aggregation induced by 2-MeSADP was also inhibited in the presence of BX795. PDK1 inhibition also resulted in reduced clot retraction indicating its role in outside-in signalling. These results demonstrate that PDK1 selectively phosphorylates Thr308 on Akt thereby regulating its activity and plays a positive regulatory role in platelet physiological responses.
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Li R, Jin J. Model predictions of toxaphene degradation in the atmosphere over North America. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2013; 32:2663-2671. [PMID: 23939819 DOI: 10.1002/etc.2344] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Revised: 02/08/2013] [Accepted: 08/02/2013] [Indexed: 06/02/2023]
Abstract
Technical toxaphene, a broad-spectrum pesticide mixture, degrades in the environment, resulting in potential changes in toxicity. The present study uses a multimedia model that the authors developed to estimate toxaphene degradation in the atmosphere over North America. The predicted degradation has strong spatial and temporal variability determined by processes such as emission and transport of technical toxaphene, as well as the complex interactions among many species (e.g., toxaphene, hydroxyl [OH] radicals, and ozone). More toxaphene is degraded in warmer months due to higher concentrations of technical toxaphene (primarily due to higher technical toxaphene emissions in the southeastern United States and transport to other regions) and OH radicals. In the model, OH radicals are created primarily through the reactions of water vapor with the excited oxygen atom, O(¹D), generated by the photolysis of ozone, which is produced primarily by reactions of volatile organic compounds and nitrogen oxides (NOx) in the presence of sunlight. The higher OH concentrations in warmer months are primarily the result of higher solar radiation and ozone concentrations. The spatial distribution of degradation depends on the distribution of technical toxaphene soil residues as well as atmospheric transport and chemistry; significant chemical degradation occurs in the southeastern United States where soils are most heavily contaminated by past applications of toxaphene.
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Adare A, Aidala C, Ajitanand NN, Akiba Y, Al-Bataineh H, Alexander J, Angerami A, Aoki K, Apadula N, Aramaki Y, Atomssa ET, Averbeck R, Awes TC, Azmoun B, Babintsev V, Bai M, Baksay G, Baksay L, Barish KN, Bassalleck B, Basye AT, Bathe S, Baublis V, Baumann C, Bazilevsky A, Belikov S, Belmont R, Bennett R, Bhom JH, Blau DS, Bok JS, Boyle K, Brooks ML, Buesching H, Bumazhnov V, Bunce G, Butsyk S, Campbell S, Caringi A, Chen CH, Chi CY, Chiu M, Choi IJ, Choi JB, Choudhury RK, Christiansen P, Chujo T, Chung P, Chvala O, Cianciolo V, Citron Z, Cole BA, Conesa Del Valle Z, Connors M, Csanád M, Csörgő T, Dahms T, Dairaku S, Danchev I, Das K, Datta A, David G, Dayananda MK, Denisov A, Deshpande A, Desmond EJ, Dharmawardane KV, Dietzsch O, Dion A, Donadelli M, Drapier O, Drees A, Drees KA, Durham JM, Durum A, Dutta D, D'Orazio L, Edwards S, Efremenko YV, Ellinghaus F, Engelmore T, Enokizono A, En'yo H, Esumi S, Fadem B, Fields DE, Finger M, Finger M, Fleuret F, Fokin SL, Fraenkel Z, Frantz JE, Franz A, Frawley AD, Fujiwara K, Fukao Y, Fusayasu T, Garishvili I, Glenn A, Gong H, Gonin M, Goto Y, Granier de Cassagnac R, Grau N, Greene SV, Grim G, Grosse Perdekamp M, Gunji T, Gustafsson HÅ, Haggerty JS, Hahn KI, Hamagaki H, Hamblen J, Han R, Hanks J, Haslum E, Hayano R, He X, Heffner M, Hemmick TK, Hester T, Hill JC, Hohlmann M, Holzmann W, Homma K, Hong B, Horaguchi T, Hornback D, Huang S, Ichihara T, Ichimiya R, Ikeda Y, Imai K, Inaba M, Isenhower D, Ishihara M, Issah M, Ivanischev D, Iwanaga Y, Jacak BV, Jia J, Jiang X, Jin J, Johnson BM, Jones T, Joo KS, Jouan D, Jumper DS, Kajihara F, Kamin J, Kang JH, Kapustinsky J, Karatsu K, Kasai M, Kawall D, Kawashima M, Kazantsev AV, Kempel T, Khanzadeev A, Kijima KM, Kikuchi J, Kim A, Kim BI, Kim DJ, Kim EJ, Kim YJ, Kinney E, Kiss Á, Kistenev E, Kleinjan D, Kochenda L, Komkov B, Konno M, Koster J, Král A, Kravitz A, Kunde GJ, Kurita K, Kurosawa M, Kwon Y, Kyle GS, Lacey R, Lai YS, Lajoie JG, Lebedev A, Lee DM, Lee J, Lee KB, Lee KS, Leitch MJ, Leite MAL, Li X, Lichtenwalner P, Liebing P, Linden Levy LA, Liška T, Liu H, Liu MX, Love B, Lynch D, Maguire CF, Makdisi YI, Malik MD, Manko VI, Mannel E, Mao Y, Masui H, Matathias F, McCumber M, McGaughey PL, McGlinchey D, Means N, Meredith B, Miake Y, Mibe T, Mignerey AC, Miki K, Milov A, Mitchell JT, Mohanty AK, Moon HJ, Morino Y, Morreale A, Morrison DP, Moukhanova TV, Murakami T, Murata J, Nagamiya S, Nagle JL, Naglis M, Nagy MI, Nakagawa I, Nakamiya Y, Nakamura KR, Nakamura T, Nakano K, Nam S, Newby J, Nguyen M, Nihashi M, Nouicer R, Nyanin AS, Oakley C, O'Brien E, Oda SX, Ogilvie CA, Oka M, Okada K, Onuki Y, Oskarsson A, Ouchida M, Ozawa K, Pak R, Pantuev V, Papavassiliou V, Park IH, Park SK, Park WJ, Pate SF, Pei H, Peng JC, Pereira H, Perepelitsa D, Peressounko DY, Petti R, Pinkenburg C, Pisani RP, Proissl M, Purschke ML, Qu H, Rak J, Ravinovich I, Read KF, Rembeczki S, Reygers K, Riabov V, Riabov Y, Richardson E, Roach D, Roche G, Rolnick SD, Rosati M, Rosen CA, Rosendahl SSE, Ružička P, Sahlmueller B, Saito N, Sakaguchi T, Sakashita K, Samsonov V, Sano S, Sato T, Sawada S, Sedgwick K, Seele J, Seidl R, Seto R, Sharma D, Shein I, Shibata TA, Shigaki K, Shimomura M, Shoji K, Shukla P, Sickles A, Silva CL, Silvermyr D, Silvestre C, Sim KS, Singh BK, Singh CP, Singh V, Slunečka M, Soltz RA, Sondheim WE, Sorensen SP, Sourikova IV, Stankus PW, Stenlund E, Stoll SP, Sugitate T, Sukhanov A, Sziklai J, Takagui EM, Taketani A, Tanabe R, Tanaka Y, Taneja S, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Themann H, Thomas D, Thomas TL, Togawa M, Toia A, Tomášek L, Torii H, Towell RS, Tserruya I, Tsuchimoto Y, Vale C, Valle H, van Hecke HW, Vazquez-Zambrano E, Veicht A, Velkovska J, Vértesi R, Virius M, Vrba V, Vznuzdaev E, Wang XR, Watanabe D, Watanabe K, Watanabe Y, Wei F, Wei R, Wessels J, White SN, Winter D, Woody CL, Wright RM, Wysocki M, Yamaguchi YL, Yamaura K, Yang R, Yanovich A, Ying J, Yokkaichi S, You Z, Young GR, Younus I, Yushmanov IE, Zajc WA, Zhou S. Quadrupole anisotropy in dihadron azimuthal correlations in central d+Au collisions at √(s(NN))=200 GeV. PHYSICAL REVIEW LETTERS 2013; 111:212301. [PMID: 24313481 DOI: 10.1103/physrevlett.111.212301] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 06/18/2013] [Indexed: 06/02/2023]
Abstract
The PHENIX collaboration at the Relativistic Heavy Ion Collider (RHIC) reports measurements of azimuthal dihadron correlations near midrapidity in d+Au collisions at √(s(NN))=200 GeV. These measurements complement recent analyses by experiments at the Large Hadron Collider (LHC) involving central p+Pb collisions at √(s(NN))=5.02 TeV, which have indicated strong anisotropic long-range correlations in angular distributions of hadron pairs. The origin of these anisotropies is currently unknown. Various competing explanations include parton saturation and hydrodynamic flow. We observe qualitatively similar, but larger, anisotropies in d+Au collisions at RHIC compared to those seen in p+Pb collisions at the LHC. The larger extracted v2 values in d+Au are consistent with expectations from hydrodynamic calculations owing to the larger expected initial-state eccentricity compared with that from p+Pb collisions. When both are divided by an estimate of the initial-state eccentricity the scaled anisotropies follow a common trend with multiplicity that may extend to heavy ion data at RHIC and the LHC, where the anisotropies are widely thought to arise from hydrodynamic flow.
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Adare A, Aidala C, Ajitanand NN, Akiba Y, Al-Bataineh H, Alexander J, Angerami A, Aoki K, Apadula N, Aramaki Y, Atomssa ET, Averbeck R, Awes TC, Azmoun B, Babintsev V, Bai M, Baksay G, Baksay L, Barish KN, Bassalleck B, Basye AT, Bathe S, Baublis V, Baumann C, Bazilevsky A, Belikov S, Belmont R, Bennett R, Bhom JH, Blau DS, Bok JS, Boyle K, Brooks ML, Buesching H, Bumazhnov V, Bunce G, Butsyk S, Campbell S, Caringi A, Chen CH, Chi CY, Chiu M, Choi IJ, Choi JB, Choudhury RK, Christiansen P, Chujo T, Chung P, Chvala O, Cianciolo V, Citron Z, Cole BA, Conesa del Valle Z, Connors M, Csanád M, Csörgő T, Dahms T, Dairaku S, Danchev I, Das K, Datta A, David G, Dayananda MK, Denisov A, Deshpande A, Desmond EJ, Dharmawardane KV, Dietzsch O, Dion A, Donadelli M, Drapier O, Drees A, Drees KA, Durham JM, Durum A, Dutta D, D'Orazio L, Edwards S, Efremenko YV, Ellinghaus F, Engelmore T, Enokizono A, En'yo H, Esumi S, Fadem B, Fields DE, Finger M, Finger M, Fleuret F, Fokin SL, Fraenkel Z, Frantz JE, Franz A, Frawley AD, Fujiwara K, Fukao Y, Fusayasu T, Garishvili I, Glenn A, Gong H, Gonin M, Goto Y, Granier de Cassagnac R, Grau N, Greene SV, Grim G, Grosse Perdekamp M, Gunji T, Gustafsson HÅ, Haggerty JS, Hahn KI, Hamagaki H, Hamblen J, Han R, Hanks J, Haslum E, Hayano R, He X, Heffner M, Hemmick TK, Hester T, Hill JC, Hohlmann M, Holzmann W, Homma K, Hong B, Horaguchi T, Hornback D, Huang S, Ichihara T, Ichimiya R, Ikeda Y, Imai K, Inaba M, Isenhower D, Ishihara M, Issah M, Ivanischev D, Iwanaga Y, Jacak BV, Jia J, Jiang X, Jin J, Johnson BM, Jones T, Joo KS, Jouan D, Jumper DS, Kajihara F, Kamin J, Kang JH, Kapustinsky J, Karatsu K, Kasai M, Kawall D, Kawashima M, Kazantsev AV, Kempel T, Khanzadeev A, Kijima KM, Kikuchi J, Kim A, Kim BI, Kim DJ, Kim EJ, Kim YJ, Kinney E, Kiss Á, Kistenev E, Kleinjan D, Kochenda L, Komkov B, Konno M, Koster J, Král A, Kravitz A, Kunde GJ, Kurita K, Kurosawa M, Kwon Y, Kyle GS, Lacey R, Lai YS, Lajoie JG, Lebedev A, Lee DM, Lee J, Lee KB, Lee KS, Leitch MJ, Leite MAL, Li X, Lichtenwalner P, Liebing P, Linden Levy LA, Liška T, Liu H, Liu MX, Love B, Lynch D, Maguire CF, Makdisi YI, Malik MD, Manko VI, Mannel E, Mao Y, Masui H, Matathias F, McCumber M, McGaughey PL, McGlinchey D, Means N, Meredith B, Miake Y, Mibe T, Mignerey AC, Miki K, Milov A, Mitchell JT, Mohanty AK, Moon HJ, Morino Y, Morreale A, Morrison DP, Moukhanova TV, Murakami T, Murata J, Nagamiya S, Nagle JL, Naglis M, Nagy MI, Nakagawa I, Nakamiya Y, Nakamura KR, Nakamura T, Nakano K, Nam S, Newby J, Nguyen M, Nihashi M, Nouicer R, Nyanin AS, Oakley C, O'Brien E, Oda SX, Ogilvie CA, Oka M, Okada K, Onuki Y, Oskarsson A, Ouchida M, Ozawa K, Pak R, Pantuev V, Papavassiliou V, Park IH, Park SK, Park WJ, Pate SF, Pei H, Peng JC, Pereira H, Perepelitsa D, Peressounko DY, Petti R, Pinkenburg C, Pisani RP, Proissl M, Purschke ML, Qu H, Rak J, Ravinovich I, Read KF, Rembeczki S, Reygers K, Riabov V, Riabov Y, Richardson E, Roach D, Roche G, Rolnick SD, Rosati M, Rosen CA, Rosendahl SSE, Ružička P, Sahlmueller B, Saito N, Sakaguchi T, Sakashita K, Samsonov V, Sano S, Sato T, Sawada S, Sedgwick K, Seele J, Seidl R, Seto R, Sharma D, Shein I, Shibata TA, Shigaki K, Shimomura M, Shoji K, Shukla P, Sickles A, Silva CL, Silvermyr D, Silvestre C, Sim KS, Singh BK, Singh CP, Singh V, Slunečka M, Soltz RA, Sondheim WE, Sorensen SP, Sourikova IV, Stankus PW, Stenlund E, Stoll SP, Sugitate T, Sukhanov A, Sziklai J, Takagui EM, Taketani A, Tanabe R, Tanaka Y, Taneja S, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Themann H, Thomas D, Thomas TL, Togawa M, Toia A, Tomášek L, Torii H, Towell RS, Tserruya I, Tsuchimoto Y, Vale C, Valle H, van Hecke HW, Vazquez-Zambrano E, Veicht A, Velkovska J, Vértesi R, Virius M, Vrba V, Vznuzdaev E, Wang XR, Watanabe D, Watanabe K, Watanabe Y, Wei F, Wei R, Wessels J, White SN, Winter D, Woody CL, Wright RM, Wysocki M, Yamaguchi YL, Yamaura K, Yang R, Yanovich A, Ying J, Yokkaichi S, You Z, Young GR, Younus I, Yushmanov IE, Zajc WA, Zhou S. Nuclear modification of ψ', χc, and J/ψ production in d+Au collisions at sqrt[s(NN)]=200 GeV. PHYSICAL REVIEW LETTERS 2013; 111:202301. [PMID: 24289677 DOI: 10.1103/physrevlett.111.202301] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 08/29/2013] [Indexed: 06/02/2023]
Abstract
We present results for three charmonia states (ψ', χc, and J/ψ) in d+Au collisions at |y|<0.35 and sqrt[s(NN)]=200 GeV. We find that the modification of the ψ' yield relative to that of the J/ψ scales approximately with charged particle multiplicity at midrapidity across p+A, d+Au, and A+A results from the Super Proton Synchrotron and the Relativistic Heavy Ion Collider. In large-impact-parameter collisions we observe a similar suppression for the ψ' and J/ψ, while in small-impact-parameter collisions the more weakly bound ψ' is more strongly suppressed. Owing to the short time spent traversing the Au nucleus, the larger ψ' suppression in central events is not explained by an increase of the nuclear absorption owing to meson formation time effects.
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Trakic A, Jin J, Li MY, McClymont D, Weber E, Liu F, Crozier S. A comparative numerical study of rotating and stationary RF coils in terms of flip angle and specific absorption rate for 7 T MRI. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2013; 236:70-82. [PMID: 24076497 DOI: 10.1016/j.jmr.2013.08.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 08/29/2013] [Accepted: 08/30/2013] [Indexed: 06/02/2023]
Abstract
While high-field magnetic resonance imaging promises improved image quality and faster scan time, it is affected by non-uniform flip angle distributions and unsafe specific absorption rate levels within the patient, as a result of the complicated radiofrequency (RF) field-tissue interactions. This numerical study explored the possibility of using a single mechanically rotating RF coil for RF shimming and specific absorption rate management applications at 7 T. In particular, this new approach (with three different RF coil element arrangements) was compared against both an 8-channel parallel coil array and a birdcage volume coil, with and without RF current optimisation. The evaluation was conducted using an in-house developed and validated finite-difference time-domain method in conjunction with a tissue-equivalent human head model. It was found that, without current optimisation, the rotating RF coil method produced a more uniform flip angle distribution and a lower maximum global and local specific absorption rate compared to the 8-channel parallel coil array and birdcage resonator. In addition, due to the large number of degrees of freedom in the form of rotated sensitivity profiles, the rotating RF coil approach exhibited good RF shimming and specific absorption rate management performance. This suggests that the proposed method can be useful in the development of techniques that address contemporary RF issues associated with high-field magnetic resonance imaging.
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Li WY, Jin J, Chen J, Guo Y, Tang J, Tan S. Circulating microRNAs as potential non-invasive biomarkers for the early detection of hypertension-related stroke. J Hum Hypertens 2013; 28:288-91. [PMID: 24132136 DOI: 10.1038/jhh.2013.94] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 08/15/2013] [Accepted: 08/20/2013] [Indexed: 12/19/2022]
Abstract
Hypertension is one of the most important risk and modifiable factors for stroke. Crucial in managing the cerebrovascular damage caused by long-lasting and inadequately treated hypertension is not only lowering arterial blood pressure but also early predicting subtypes of hypertension-related stroke and applying more effective interventions. Accumulating evidence suggested that circulating microRNAs (miRNAs) could be developed as biomarkers for early recognition of the onset of a variety of diseases. The role of miRNAs has been extensively reviewed, involving cardiac hypertrophy, hypertensive heart failure, kidney failure and renal fibrosis. miRNA research in stroke is still in its infancy, although there are few literatures reviewing the role of miRNAs in the processes of hypertension-related stroke. This review summarizes current advances in miRNAs regulation of critical pathogenic process underlying hypertension, ischemic stroke and hemorrhagic stroke, and highlights the potential of using circulating miRNAs as noninvasive biomarkers for the early detection of hypertension-related stroke.
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Jin J, Zhang X, Lu Z, Li Y, Lopes-Virella MF, Yu H, Haycraft CJ, Li Q, Kirkwood KL, Huang Y. Simvastatin inhibits lipopolysaccharide-induced osteoclastogenesis and reduces alveolar bone loss in experimental periodontal disease. J Periodontal Res 2013; 49:518-26. [PMID: 24117880 DOI: 10.1111/jre.12132] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND OBJECTIVE Statins are inhibitors of 3-hydroxy-3-methylglutaryl coenzyme A reductase and have anti-inflammatory effects independent of cholesterol lowering. Recent clinical studies have indicated that statin intake has a beneficial effect on periodontal disease. However, the underlying mechanisms have not been well understood. In the current study, we employed a rat model with lipopolysaccharide (LPS)-induced periodontal disease and determined the effect of simvastatin, a commonly prescribed statin, on osteoclastogenesis, gingival inflammation and alveolar bone loss. MATERIAL AND METHODS Sprague-Dawley rats were injected with Aggregatibacter actinomycetemcomitans LPS in periodontal tissue three times per week for 8 wk and part of the rats with LPS injection were also given simvastatin via gavage. After the treatments, the rat maxillae were scanned by microcomputed tomography and the images were analyzed to determine alveolar bone loss. To explore the underlying mechanisms, the effect of simvastatin on osteoclastogenesis and gingival expression of proinflammatory cytokines were also determined by tartrate-resistant acid phosphatase staining and real-time polymerase chain reaction assays, respectively. RESULTS Results showed that LPS treatment markedly increased bone loss, but administration of simvastatin significantly alleviated the bone loss. Results also showed that LPS treatment stimulated osteoclastogenesis and the expression of inflammatory cytokines, but simvastatin significantly modulates the stimulatory effect of LPS on osteoclastogenesis and cytokine expression. CONCLUSION This study demonstrated that simvastatin treatment inhibits LPS-induced osteoclastogenesis and gingival inflammation and reduces alveolar bone loss, indicating that the intake of simvastatin may hinder the progression of periodontal disease.
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Xiao N, Kong F, Chetty I, Burmeister J, Joiner M, Jin J. Toward Individualized Fractionation Schedule for Lung Cancer Radiation Therapy. Int J Radiat Oncol Biol Phys 2013. [DOI: 10.1016/j.ijrobp.2013.06.1433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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365
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Tang Y, Liu W, Jin J, Li Y, Yang L, Ren H, Wang S, Wang W, Liu Y, Song Y. A Phase 1 Study of Postoperative Capecitabine With Concurrent Radiation Therapy in Elderly Patients With Rectal Cancer. Int J Radiat Oncol Biol Phys 2013. [DOI: 10.1016/j.ijrobp.2013.06.889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Komban S, Jin J, Wang Y, Lashgari R, Kremkow J, Alonso JM, Zaidi Q. Perceptual consequences of temporal differences in ON and OFF channels. J Vis 2013. [DOI: 10.1167/13.9.1022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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367
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Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y, Akimoto R, Al-Bataineh H, Al-Ta'ani H, Alexander J, Angerami A, Aoki K, Apadula N, Aphecetche L, Aramaki Y, Armendariz R, Aronson SH, Asai J, Asano H, Aschenauer EC, Atomssa ET, Averbeck R, Awes TC, Azmoun B, Babintsev V, Bai M, Baksay G, Baksay L, Baldisseri A, Bannier B, Barish KN, Barnes PD, Bassalleck B, Basye AT, Bathe S, Batsouli S, Baublis V, Baumann C, Baumgart S, Bazilevsky A, Belikov S, Belmont R, Bennett R, Berdnikov A, Berdnikov Y, Bickley AA, Bing X, Blau DS, Boissevain JG, Bok JS, Borel H, Boyle K, Brooks ML, Buesching H, Bumazhnov V, Bunce G, Butsyk S, Camacho CM, Campbell S, Castera P, Chang BS, Chang WC, Charvet JL, Chen CH, Chernichenko S, Chi CY, Chiba J, Chiu M, Choi IJ, Choi JB, Choi S, Choudhury RK, Christiansen P, Chujo T, Chung P, Churyn A, Chvala O, Cianciolo V, Citron Z, Cleven CR, Cole BA, Comets MP, Connors M, Constantin P, Csanád M, Csörgő T, Dahms T, Dairaku S, Danchev I, Das K, Datta A, Daugherity MS, David G, Deaton MB, Dehmelt K, Delagrange H, Denisov A, d'Enterria D, Deshpande A, Desmond EJ, Dharmawardane KV, Dietzsch O, Ding L, Dion A, Donadelli M, Drapier O, Drees A, Drees KA, Dubey AK, Durham JM, Durum A, Dutta D, Dzhordzhadze V, D'Orazio L, Edwards S, Efremenko YV, Egdemir J, Ellinghaus F, Emam WS, Engelmore T, Enokizono A, En'yo H, Esumi S, Eyser KO, Fadem B, Fields DE, Finger M, Finger M, Fleuret F, Fokin SL, Fraenkel Z, Frantz JE, Franz A, Frawley AD, Fujiwara K, Fukao Y, Fusayasu T, Gadrat S, Gainey K, Gal C, Garishvili A, Garishvili I, Glenn A, Gong H, Gong X, Gonin M, Gosset J, Goto Y, Granier de Cassagnac R, Grau N, Greene SV, Grosse Perdekamp M, Gunji T, Guo L, Gustafsson HÅ, Hachiya T, Hadj Henni A, Haegemann C, Haggerty JS, Hahn KI, Hamagaki H, Hamblen J, Han R, Hanks J, Harada H, Hartouni EP, Haruna K, Hashimoto K, Haslum E, Hayano R, He X, Heffner M, Hemmick TK, Hester T, Hiejima H, Hill JC, Hobbs R, Hohlmann M, Hollis RS, Holzmann W, Homma K, Hong B, Horaguchi T, Hori Y, Hornback D, Huang S, Ichihara T, Ichimiya R, Ide J, Iinuma H, Ikeda Y, Imai K, Imrek J, Inaba M, Inoue Y, Iordanova A, Isenhower D, Isenhower L, Ishihara M, Isobe T, Issah M, Isupov A, Ivanischev D, Jacak BV, Javani M, Jia J, Jiang X, Jin J, Jinnouchi O, Johnson BM, Joo KS, Jouan D, Jumper DS, Kajihara F, Kametani S, Kamihara N, Kamin J, Kaneta M, Kaneti S, Kang BH, Kang JH, Kang JS, Kanou H, Kapustinsky J, Karatsu K, Kasai M, Kawall D, Kawashima M, Kazantsev AV, Kempel T, Khanzadeev A, Kijima KM, Kikuchi J, Kim BI, Kim C, Kim DH, Kim DJ, Kim E, Kim EJ, Kim HJ, Kim KB, Kim SH, Kim YJ, Kim YK, Kinney E, Kiriluk K, Kiss Á, Kistenev E, Kiyomichi A, Klatsky J, Klay J, Klein-Boesing C, Kleinjan D, Kline P, Kochenda L, Kochetkov V, Komatsu Y, Komkov B, Konno M, Koster J, Kotchetkov D, Kotov D, Kozlov A, Král A, Kravitz A, Krizek F, Kubart J, Kunde GJ, Kurihara N, Kurita K, Kurosawa M, Kweon MJ, Kwon Y, Kyle GS, Lacey R, Lai YS, Lajoie JG, Layton D, Lebedev A, Lee B, Lee DM, Lee J, Lee K, Lee KB, Lee KS, Lee MK, Lee SH, Lee SR, Lee T, Leitch MJ, Leite MAL, Leitgab M, Leitner E, Lenzi B, Lewis B, Li X, Liebing P, Lim SH, Linden Levy LA, Liška T, Litvinenko A, Liu H, Liu MX, Love B, Luechtenborg R, Lynch D, Maguire CF, Makdisi YI, Makek M, Malakhov A, Malik MD, Manion A, Manko VI, Mannel E, Mao Y, Mašek L, Masui H, Masumoto S, Matathias F, McCumber M, McGaughey PL, McGlinchey D, McKinney C, Means N, Mendoza M, Meredith B, Miake Y, Mibe T, Mignerey AC, Mikeš P, Miki K, Miller TE, Milov A, Mioduszewski S, Mishra DK, Mishra M, Mitchell JT, Mitrovski M, Miyachi Y, Miyasaka S, Mohanty AK, Moon HJ, Morino Y, Morreale A, Morrison DP, Motschwiller S, Moukhanova TV, Mukhopadhyay D, Murakami T, Murata J, Nagae T, Nagamiya S, Nagata Y, Nagle JL, Naglis M, Nagy MI, Nakagawa I, Nakamiya Y, Nakamura KR, Nakamura T, Nakano K, Nattrass C, Nederlof A, Newby J, Nguyen M, Nihashi M, Niida T, Norman BE, Nouicer R, Novitzky N, Nyanin AS, O'Brien E, Oda SX, Ogilvie CA, Ohnishi H, Oka M, Okada K, Omiwade OO, Onuki Y, Oskarsson A, Ouchida M, Ozawa K, Pak R, Pal D, Palounek APT, Pantuev V, Papavassiliou V, Park BH, Park IH, Park J, Park SK, Park WJ, Pate SF, Patel L, Pei H, Peng JC, Pereira H, Peresedov V, Peressounko DY, Petti R, Pinkenburg C, Pisani RP, Proissl M, Purschke ML, Purwar AK, Qu H, Rak J, Rakotozafindrabe A, Ravinovich I, Read KF, Rembeczki S, Reuter M, Reygers K, Reynolds R, Riabov V, Riabov Y, Richardson E, Roach D, Roche G, Rolnick SD, Romana A, Rosati M, Rosen CA, Rosendahl SSE, Rosnet P, Rukoyatkin P, Ružička P, Rykov VL, Sahlmueller B, Saito N, Sakaguchi T, Sakai S, Sakashita K, Sakata H, Samsonov V, Sano M, Sano S, Sarsour M, Sato S, Sato T, Sawada S, Sedgwick K, Seele J, Seidl R, Semenov AY, Semenov V, Sen A, Seto R, Sharma D, Shein I, Shevel A, Shibata TA, Shigaki K, Shimomura M, Shoji K, Shukla P, Sickles A, Silva CL, Silvermyr D, Silvestre C, Sim KS, Singh BK, Singh CP, Singh V, Skutnik S, Slunečka M, Soldatov A, Soltz RA, Sondheim WE, Sorensen SP, Soumya M, Sourikova IV, Sparks NA, Staley F, Stankus PW, Stenlund E, Stepanov M, Ster A, Stoll SP, Sugitate T, Suire C, Sukhanov A, Sun J, Sziklai J, Tabaru T, Takagi S, Takagui EM, Takahara A, Taketani A, Tanabe R, Tanaka Y, Taneja S, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Tarján P, Tennant E, Themann H, Thomas TL, Todoroki T, Togawa M, Toia A, Tojo J, Tomášek L, Tomášek M, Tomita Y, Torii H, Towell RS, Tram VN, Tserruya I, Tsuchimoto Y, Tsuji T, Vale C, Valle H, van Hecke HW, Vargyas M, Vazquez-Zambrano E, Veicht A, Velkovska J, Vértesi R, Vinogradov AA, Virius M, Vossen A, Vrba V, Vznuzdaev E, Wagner M, Walker D, Wang XR, Watanabe D, Watanabe K, Watanabe Y, Watanabe YS, Wei F, Wei R, Wessels J, White SN, Winter D, Wolin S, Wood JP, Woody CL, Wright RM, Wysocki M, Xie W, Yamaguchi YL, Yamaura K, Yang R, Yanovich A, Yasin Z, Ying J, Yokkaichi S, You Z, Young GR, Younus I, Yushmanov IE, Zajc WA, Zaudtke O, Zelenski A, Zhang C, Zhou S, Zimányi J, Zolin L. Medium modification of jet fragmentation in Au+Au collisions at √[s(NN)]=200 GeV measured in direct photon-hadron correlations. PHYSICAL REVIEW LETTERS 2013; 111:032301. [PMID: 23909311 DOI: 10.1103/physrevlett.111.032301] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Indexed: 06/02/2023]
Abstract
The jet fragmentation function is measured with direct photon-hadron correlations in p+p and Au+Au collisions at √[s(NN)]=200 GeV. The p(T) of the photon is an excellent approximation to the initial p(T) of the jet and the ratio z(T)=p(T)(h)/p(T)(γ) is used as a proxy for the jet fragmentation function. A statistical subtraction is used to extract the direct photon-hadron yields in Au+Au collisions while a photon isolation cut is applied in p+p. I(AA), the ratio of hadron yield opposite the photon in Au+Au to that in p+p, indicates modification of the jet fragmentation function. Suppression, most likely due to energy loss in the medium, is seen at high z(T). The associated hadron yield at low z(T) is enhanced at large angles. Such a trend is expected from redistribution of the lost energy into increased production of low-momentum particles.
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Wang L, You LS, Ni WM, Ma QL, Tong Y, Mao LP, Qian JJ, Jin J. β-Catenin and AKT are promising targets for combination therapy in acute myeloid leukemia. Leuk Res 2013; 37:1329-40. [PMID: 23867056 DOI: 10.1016/j.leukres.2013.06.023] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 05/07/2013] [Accepted: 06/18/2013] [Indexed: 10/26/2022]
Abstract
In this study, we confirmed that combining HHT with ACR can result in synergistic cytotoxicity to AML cells in vitro and in vivo. Combining HHT and ACR simultaneously inhibited PI3K/AKT and WNT/β-catenin signaling in AML cells. Significant increases in growth inhibition and apoptosis were induced by an AKT inhibitor when the WNT3A gene of THP-1 cells was silenced. HHT+ACR could synergistically induce the apoptosis of CD34(+)/CD38(-) primary AML cells. These results highlight β-catenin and AKT are promising targets for combination therapy for AML.
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Jian WX, Jin J, Qin L, Fang WJ, Chen XR, Chen HB, Su Q, Xing HL. Relationship between thyroid-stimulating hormone and blood pressure in the middle-aged and elderly population. Singapore Med J 2013; 54:401-5. [DOI: 10.11622/smedj.2013142] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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370
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Yang JY, Jin J, Zhang Z, Zhang L, Shen C. Integration microarray and regulation datasets for Chronic Obstructive Pulmonary Disease. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2013; 17:1923-1931. [PMID: 23877858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Pulmonary disease has become one of the major health problems. AIM To investigate the regulation mechanism of Chronic Obstructive Pulmonary Disease (COPD) on gene expression and pathway level. MATERIALS AND METHODS We mapped the differentially expressed genes to a regulation network and pathways, using transcriptome profiles and regulation data. We constructed a TF-target gene regulation network, TF-pathway regulation network, and pathway crosstalk network. RESULTS STAT1, NFKB1, SMAD4, and STAT3 played an important role in COPD through participating in a number of pathways. Although these related pathways all have been demonstrated associated with COPD in previous reports, the detail mechanism may be not very clear. CONCLUSIONS Our results may help to further understanding the mechanism of COPD. And Identified multiple pathways will also provide novel avenues in the treatment of COPD.
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Beddar S, Deye J, Romeijn E, Mackie T, Paganetti H, Jin J, McGuire S. WE-E-116-01: Grantsmanship and Funding. Med Phys 2013. [DOI: 10.1118/1.4815615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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372
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Xiao N, Kong F, Ryu S, Chetty I, Burmeister J, Joiner M, Jin J. SU-E-T-293: A Radiobiological Model Based Approach to Evaluate Brain Radiotherapy Fractionation Regimens. Med Phys 2013. [DOI: 10.1118/1.4814727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Guan H, Jin J. SU-E-J-43: Scatter and Beam Hardening Corrections for MV-CBCT Using a Few MLC Leaf-Pairs and a Cylindrical Water Equivalent Phantom. Med Phys 2013. [DOI: 10.1118/1.4814255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li H, Kim J, Gordon J, Jin J, Huang Y, Chin K, Wen N, Chetty I, Ryu S. SU-E-T-416: Targeting Accuracy of a TrueBeam System for Multi-Lesion Cranial Radiosurgery with Single Isocenter. Med Phys 2013. [DOI: 10.1118/1.4814850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Zou G, Chetty I, Jin J. SU-E-J-05: Intrinsic Geometry Reconstruction for the Study of Geometric Variations in Linac-Based CBCT System. Med Phys 2013. [DOI: 10.1118/1.4814217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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