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Law MF, Lai HK, Chan HN, Ha CY, Ng C, Yeung YM, Yip SF. The impact of hepatitis B virus (HBV) infection on clinical outcomes of patients with diffuse large B-cell lymphoma. Eur J Cancer Care (Engl) 2013; 24:117-24. [PMID: 25848698 DOI: 10.1111/ecc.12166] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/19/2013] [Indexed: 12/18/2022]
Abstract
We performed a retrospective study to analyse the characteristics and clinical outcomes of diffuse large B-cell lymphoma (DLBCL) patients with hepatitis B virus (HBV) infection and compare with those without HBV infection. The occurrence of hepatitis after withdrawal of prophylactic antiviral treatment on completion of chemotherapy was also assessed. The HBsAg-positive patients were given prophylactic antiviral treatment until 6 months after finishing chemotherapy. A total of 81 patients were recruited with 16 in the HBsAg-positive group and 65 in the HBsAg-negative group. The clinical characteristics were similar in both groups of patients. There was no significant difference in complete remission rate between the two groups (63% in HBsAg-positive group vs. 54% in HBsAg-negative group, P = 0.59). There was also no statistically significant difference in overall survival between the two groups (P = 0.23). Four of the 16 HBsAg-positive patients (25%) had hepatitis after cessation of chemotherapy and prophylactic lamivudine. The mean time of onset of hepatitis was 3 months after stopping lamivudine. In conclusion, HBV infection did not appear to affect the prognosis of DLBCL patients given antiviral prophylaxis. It is reasonable to consider prophylactic antiviral therapy to extend to at least one year on completion of chemotherapy.
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Cannon J, Page K, Roots M, Ponnaberanam A, Tracy C, Taboada Buasso D, Sheares K, Ng C, Dunning J, Tsui S, Pepke-Zaba J, Jenkins D. S46 Outcome after pulmonary endarterectomy (PEA): Long term follow-up of the UK national cohort: Abstract S47 Table 1. Thorax 2013. [DOI: 10.1136/thoraxjnl-2013-204457.53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Sandilya S, Trabelsi K, Mohanty GB, Adachi I, Aihara H, Asner DM, Aushev T, Aziz T, Bakich AM, Bala A, Bhardwaj V, Bhuyan B, Bondar A, Bonvicini G, Bozek A, Bračko M, Browder TE, Chen P, Cheon BG, Chilikin K, Chistov R, Cho K, Chobanova V, Choi SK, Choi Y, Cinabro D, Dalseno J, Dingfelder J, Doležal Z, Drutskoy A, Dutta D, Eidelman S, Farhat H, Fast JE, Feindt M, Ferber T, Frey A, Gaur V, Gabyshev N, Ganguly S, Gillard R, Goh YM, Golob B, Haba J, Hara T, Hayasaka K, Hayashii H, Hoshi Y, Hou WS, Hsiung YB, Hyun HJ, Iijima T, Ishikawa A, Itoh R, Iwasaki Y, Julius T, Kah DH, Kang JH, Kato E, Kawai H, Kawasaki T, Kiesling C, Kim DY, Kim HO, Kim JB, Kim JH, Kim YJ, Klucar J, Ko BR, Kodyš P, Korpar S, Križan P, Krokovny P, Kumita T, Kuzmin A, Kwon YJ, Lange JS, Lee SH, Li J, Li Y, Libby J, Liu ZQ, Liventsev D, Lukin P, MacNaughton J, Matvienko D, Miyabayashi K, Miyata H, Mizuk R, Moll A, Muramatsu N, Mussa R, Nagasaka Y, Nakao M, Nayak M, Ng C, Nisar NK, Nishida S, Nitoh O, Ogawa S, Okuno S, Oswald C, Pakhlova G, Park CW, Park H, Park HK, Pedlar TK, Pestotnik R, Petrič M, Piilonen LE, Ritter M, Röhrken M, Rostomyan A, Ryu S, Sahoo H, Saito T, Sakai K, Sakai Y, Santelj L, Sanuki T, Sato Y, Savinov V, Schneider O, Schnell G, Semmler D, Senyo K, Sevior ME, Shapkin M, Shen CP, Shibata TA, Shiu JG, Shwartz B, Sibidanov A, Simon F, Sohn YS, Sokolov A, Solovieva E, Stanič S, Starič M, Steder M, Sumiyoshi T, Tamponi U, Tanida K, Tatishvili G, Teramoto Y, Tsuboyama T, Uchida M, Uehara S, Uglov T, Unno Y, Uno S, Urquijo P, Vahsen SE, Van Hulse C, Vanhoefer P, Varner G, Vorobyev V, Wagner MN, Wang CH, Wang MZ, Wang P, Wang XL, Watanabe M, Watanabe Y, Wiechczynski J, Williams KM, Won E, Yabsley BD, Yamaoka J, Yamashita Y, Yashchenko S, Yuan CZ, Yusa Y, Zhang CC, Zhang ZP, Zhilich V, Zupanc A. Search for bottomonium states in exclusive radiative Υ(2S) decays. PHYSICAL REVIEW LETTERS 2013; 111:112001. [PMID: 24074074 DOI: 10.1103/physrevlett.111.112001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Indexed: 06/02/2023]
Abstract
We search for bottomonium states in Υ(2S) → (bb)γ decays with an integrated luminosity of 24.7 fb(-1) recorded at the Υ(2S) resonance with the Belle detector at KEK, containing (157.8±3.6)×10(6) Υ(2S) events. The (bb) system is reconstructed in 26 exclusive hadronic final states composed of charged pions, kaons, protons, and K(S)(0) mesons. We find no evidence for the state recently observed around 9975 MeV (X(bb)) in an analysis based on a data sample of 9.3×10(6) Υ(2S) events collected with the CLEO III detector. We set a 90% confidence level upper limit on the branching fraction B[Υ(2S) → X(bb)γ] × ∑(i)B[X(bb) → h(i)] < 4.9×10(-6), summed over the exclusive hadronic final states employed in our analysis. This result is an order of magnitude smaller than the measurement reported with CLEO data. We also set an upper limit for the ηb(1S) state of B[Υ(2S) → ηb(1S)γ] × ∑(i)B[ηb(1S) → h(i)] < 3.7×10(-6).
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Chan WW, Ng C, Young TK. How we identify and count Aboriginal people--does it make a difference in estimating their disease burden? CHRONIC DISEASES AND INJURIES IN CANADA 2013; 33:277-280. [PMID: 23987224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
INTRODUCTION We examined the concordance between the Canadian Community Health Survey (CCHS) "identity" and "ancestry" questions used to estimate the size of the Aboriginal population in Canada and whether the different definitions affect the prevalence of selected chronic diseases. METHODS Based on responses to the "identity" and "ancestry" questions in the CCHS combined 2009-2010 microdata file, Aboriginal participants were divided into 4 groups: (A) identity only; (B) ancestry only; (C) either ancestry or identity; and (D) both ancestry and identity. Prevalence of diabetes, arthritis and hypertension was estimated based on participants reporting that a health professional had told them that they have the condition(s). RESULTS Of participants who identified themselves as Aboriginal, only 63% reported having an Aboriginal ancestor; of those who claimed Aboriginal ancestry, only 57% identified themselves as Aboriginal. The lack of concordance also differs according to whether the individual was First Nation, Métis or Inuit. The different method of estimating the Aboriginal population, however, does not significantly affect the prevalence of the three selected chronic diseases. CONCLUSION The lack of concordance requires further investigation by combining more cycles of CCHS to compare discrepancy across regions, genders and socio-economic status. Its impact on a broader list of health conditions should be examined.
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Leitgab M, Seidl R, Grosse Perdekamp M, Vossen A, Adachi I, Aihara H, Asner DM, Aulchenko V, Aushev T, Bakich AM, Bhuyan B, Bondar A, Bozek A, Bračko M, Brodzicka J, Browder TE, Chekelian V, Chen A, Chen P, Cheon BG, Chilikin K, Cho K, Chobanova V, Choi Y, Cinabro D, Dalseno J, Drásal Z, Dutta D, Eidelman S, Epifanov D, Farhat H, Fast JE, Gaur V, Gabyshev N, Gillard R, Giordano F, Goh YM, Golob B, Haba J, Hayasaka K, Hayashii H, Hoshi Y, Hou WS, Hsiung YB, Hyun HJ, Iijima T, Ishikawa A, Itoh R, Jacobs WW, Julius T, Kang JH, Kapusta P, Kato E, Kawasaki T, Kim HJ, Kim HO, Kim JB, Kim JH, Kim MJ, Klucar J, Ko BR, Kodyš P, Kouzes RT, Križan P, Krokovny P, Kumar R, Kumita T, Kwon YJ, Lange JS, Lee SH, Li Y, Liu ZQ, Liventsev D, Matvienko D, Miyabayashi K, Miyata H, Mizuk R, Moll A, Muramatsu N, Nakano E, Nakao M, Natkaniec Z, Nayak M, Nedelkovska E, Ng C, Nisar NK, Nitoh O, Ogawa A, Ogawa S, Ohshima T, Okuno S, Olsen SL, Oswald C, Pakhlov P, Park H, Park HK, Pedlar TK, Pestotnik R, Petrič M, Piilonen LE, Röhrken M, Sahoo H, Sakai Y, Sandilya S, Santelj L, Sanuki T, Sato Y, Schneider O, Schnell G, Schwanda C, Senyo K, Seon O, Sevior ME, Shapkin M, Shen CP, Shibata TA, Shiu JG, Shwartz B, Sibidanov A, Simon F, Smerkol P, Sohn YS, Sokolov A, Solovieva E, Starič M, Sumihama M, Sumiyoshi T, Tatishvili G, Teramoto Y, Tsuboyama T, Uchida M, Uglov T, Unno Y, Uno S, Usov Y, Van Hulse C, Varner G, Vorobyev V, Wagner MN, Wang CH, Wang J, Wang MZ, Wang P, Watanabe M, Watanabe Y, Williams KM, Won E, Yamashita Y, Zhilich V, Zhulanov V. Precision measurement of charged pion and kaon differential cross sections in e+ e- annihilation at sqrt[s]=10.52 GeV. PHYSICAL REVIEW LETTERS 2013; 111:062002. [PMID: 23971562 DOI: 10.1103/physrevlett.111.062002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Indexed: 06/02/2023]
Abstract
Measurements of inclusive differential cross sections for charged pion and kaon production in e+ e- annihilation have been carried out at a center-of-mass energy of sqrt[s]=10.52 GeV. The measurements were performed with the Belle detector at the KEKB e+ e- collider using a data sample containing 113×10(6) e+ e- → qq events, where q={u,d,s,c}. We present charge-integrated differential cross sections dσ(h±)/dz for h±={π±,K±} as a function of the relative hadron energy z=2E(h)/sqrt[s] from 0.2 to 0.98. The combined statistical and systematic uncertainties for π± (K±) are 4% (4%) at z∼0.6 and 15% (24%) at z∼0.9. The cross sections are the first measurements of the z dependence of pion and kaon production for z>0.7 as well as the first precision cross section measurements at a center-of-mass energy far below the Z0 resonance used by the experiments at LEP and SLC.
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Ng C, Sundararajan J, Hogan M, Purves D. NETWORK CONNECTIONS THAT EVOLVE TO CONTEND WITH THE INVERSE OPTICS PROBLEM. J Vis 2013. [DOI: 10.1167/13.9.1158] [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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Shen CP, Yuan CZ, Adachi I, Aihara H, Asner DM, Aulchenko V, Bakich AM, Bala A, Bhuyan B, Bischofberger M, Bozek A, Bračko M, Browder TE, Chekelian V, Chen A, Chen P, Cheon BG, Chilikin K, Cho IS, Cho K, Chobanova V, Choi Y, Cinabro D, Dalseno J, Danilov M, Dingfelder J, Doležal Z, Drásal Z, Drutskoy A, Dutta D, Dutta K, Eidelman S, Epifanov D, Farhat H, Fast JE, Ferber T, Frey A, Gaur V, Gabyshev N, Ganguly S, Gillard R, Goh YM, Golob B, Haba J, Hara T, Hayasaka K, Hayashii H, Hoshi Y, Hou WS, Hyun HJ, Iijima T, Ishikawa A, Itoh R, Iwasaki Y, Julius T, Kah DH, Kang JH, Kato E, Kawasaki T, Kiesling C, Kim DY, Kim HJ, Kim JB, Kim JH, Kim KT, Kim YJ, Kinoshita K, Klucar J, Ko BR, Kodyš P, Korpar S, Križan P, Krokovny P, Kumita T, Kuzmin A, Kwon YJ, Lee SH, Leitner R, Li J, Li Y, Libby J, Liu C, Liu Y, Liu ZQ, Liventsev D, Lukin P, Matvienko D, Miyabayashi K, Miyata H, Mohanty GB, Moll A, Mori T, Muramatsu N, Mussa R, Nagasaka Y, Nakano E, Nakao M, Natkaniec Z, Nayak M, Nedelkovska E, Ng C, Nisar NK, Nishida S, Nitoh O, Ogawa S, Okuno S, Olsen SL, Ostrowicz W, Pakhlov P, Park CW, Park H, Park HK, Pedlar TK, Peng T, Pestotnik R, Petrič M, Piilonen LE, Ritter M, Röhrken M, Rostomyan A, Ryu S, Sahoo H, Saito T, Sakai Y, Sandilya S, Santelj L, Sanuki T, Sato Y, Savinov V, Schneider O, Schnell G, Schwanda C, Senyo K, Seon O, Shapkin M, Shebalin V, Shibata TA, Shiu JG, Shwartz B, Sibidanov A, Simon F, Smerkol P, Sohn YS, Sokolov A, Solovieva E, Stanič S, Starič M, Steder M, Sumihama M, Sumiyoshi T, Tamponi U, Tanida K, Tatishvili G, Teramoto Y, Tsuboyama T, Uchida M, Uehara S, Unno Y, Uno S, Urquijo P, Vahsen SE, Van Hulse C, Vanhoefer P, Varner G, Vorobyev V, Wagner MN, Wang CH, Wang P, Wang XL, Watanabe M, Watanabe Y, Won E, Yamamoto H, Yamaoka J, Yamashita Y, Yashchenko S, Yook Y, Yusa Y, Zhang CC, Zhang ZP, Zhilich V, Zupanc A. Measurement of exclusiveΥ(1S)andΥ(2S)decays into vector-pseudoscalar final states. Int J Clin Exp Med 2013. [DOI: 10.1103/physrevd.88.011102] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Thornton D, Stappers B, Bailes M, Barsdell B, Bates S, Bhat NDR, Burgay M, Burke-Spolaor S, Champion DJ, Coster P, D'Amico N, Jameson A, Johnston S, Keith M, Kramer M, Levin L, Milia S, Ng C, Possenti A, van Straten W. A Population of Fast Radio Bursts at Cosmological Distances. Science 2013; 341:53-6. [DOI: 10.1126/science.1236789] [Citation(s) in RCA: 699] [Impact Index Per Article: 63.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Sun Z, Ng C, Halkett G, Meng R, Jiwa M. An investigation of factors that influence general practitioners' referral of computed tomography scans in patients with headache. Int J Clin Pract 2013; 67:682-90. [PMID: 23758447 DOI: 10.1111/ijcp.12186] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2012] [Accepted: 04/10/2013] [Indexed: 11/30/2022] Open
Abstract
AIM In assessing patients with headaches, general practitioners (GPs) play an important role in determining which patients require computed tomography (CT) scans. The purpose of this study was to identify factors that influence GPs' decisions to refer CT scans for patients with headaches. MATERIALS AND METHODS A self-administered survey was presented to GPs in Western Australia. One hundred and twenty-eight vignettes describing patients who may have required CT referral for headache were constructed encompassing six clinical variables. Nine vignettes, selected at random, were presented to each respondent. Respondents were asked if they would refer the patient for diagnostic imaging tests, if so, which imaging modalities would they request, how urgently and the perceived benefits of the requested imaging modality. Multinomial logistic regression was used for the multivariate analysis. RESULTS We received 105 completed questionnaires (21%). GPs were more likely to refer patients with headaches for diagnostic imaging and CT scans in the following clinical scenarios: patients with a history of colorectal cancer and epilepsy; and patients feeling unwell for the past 6 weeks and headache being exacerbated with valsalva manoeuvrers. Private health insurance and other respondent demographics such as GPs experience and site of care increased imaging referral. CONCLUSION GP's referral decisions of diagnostic imaging and CT examinations for patients with headaches are dependent on clinical scenarios and the likelihood of a significant pathology. Further research is required to identify the significant clinical findings with regard to the CT referrals and ensure that CT scans are not requested in patients who are unlikely to benefit.
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Court L, Yang J, Hunter L, Ng C. SU-E-I-58: Understanding Uncertainties in Quantitative Image Features Extracted From Contrast-Enhanced CT Images. Med Phys 2013. [DOI: 10.1118/1.4814168] [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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Kim BH, Olsen SL, Adachi I, Aihara H, Asner DM, Aulchenko V, Bay A, Belous K, Bhuyan B, Bonvicini G, Bozek A, Bračko M, Browder TE, Chekelian V, Chen A, Cheon BG, Chilikin K, Chistov R, Cho IS, Cho K, Chobanova V, Choi SK, Choi Y, Cinabro D, Dalseno J, Doležal Z, Eidelman S, Epifanov D, Esen S, Farhat H, Fast JE, Gaur V, Ganguly S, Gillard R, Goh YM, Hayasaka K, Hayashii H, Hoshi Y, Hou WS, Hsiung YB, Hyun HJ, Inami K, Ishikawa A, Itoh R, Iwasaki Y, Julius T, Kah DH, Kang JH, Kapusta P, Kato E, Kichimi H, Kim HJ, Kim HO, Kim JH, Kim KT, Kim MJ, Kim SK, Kim YJ, Kinoshita K, Klucar J, Ko BR, Kodyš P, Korpar S, Kouzes RT, Križan P, Krokovny P, Kumita T, Kuzmin A, Kwon YJ, Lange JS, Lee SH, Li J, Li X, Li Y, Libby J, Liventsev D, Matvienko D, Miyabayashi K, Miyata H, Mizuk R, Mohanty GB, Moll A, Muramatsu N, Mussa R, Nakano E, Nakao M, Nedelkovska E, Ng C, Nisar NK, Nishida S, Nishimura K, Ohshima T, Okuno S, Pakhlov P, Pakhlova G, Park H, Park HK, Peters M, Petrič M, Piilonen LE, Ritter M, Ryu S, Sahoo H, Sakai Y, Sandilya S, Sanuki T, Savinov V, Schneider O, Schnell G, Schwanda C, Schwartz AJ, Semmler D, Senyo K, Seon O, Sevior ME, Shapkin M, Shebalin V, Shen CP, Shibata TA, Shiu JG, Shwartz B, Simon F, Smerkol P, Sohn YS, Sokolov A, Solovieva E, Stanič S, Starič M, Sumihama M, Sumiyoshi T, Tamponi U, Tanida K, Tatishvili G, Teramoto Y, Trabelsi K, Uchida M, Uehara S, Uglov T, Unno Y, Uno S, Usov Y, Van Hulse C, Varner G, Vorobyev V, Wagner MN, Wang CH, Wang P, Watanabe Y, Williams KM, Won E, Yamashita Y, Zhilich V, Zupanc A. Search for an H-dibaryon with a mass near 2mΛ in Υ(1S) and Υ(2S) decays. PHYSICAL REVIEW LETTERS 2013; 110:222002. [PMID: 23767713 DOI: 10.1103/physrevlett.110.222002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Revised: 05/03/2013] [Indexed: 06/02/2023]
Abstract
We report the results of a high-statistics search for H dibaryon production in inclusive Υ(1S) and Υ(2S) decays. No indication of an H dibaryon with a mass near the M(H)=2m(Λ) threshold is seen in either the H→Λpπ(-) or ΛΛ decay channels and 90% confidence level branching-fraction upper limits are set that are between one and two orders of magnitude below the measured branching fractions for inclusive Υ(1S) and Υ(2S) decays to antideuterons. Since Υ(1S,2S) decays produce flavor-SU(3)-symmetric final states, these results put stringent constraints on H dibaryon properties. The results are based on analyses of 102 million Υ(1S) and 158 million Υ(2S) events collected with the Belle detector at the KEKB e(+)e(-) collider.
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Berman M, Tsui S, Vuylsteke A, Dunning J, Fowles J, Ng C, Valchanov K, Webb S, Falter F, Jones N, Treacy C, Jenkins D. Successful Extracorporeal Membrane Oxygenation Support Following Pulmonary Endarterectomy. J Heart Lung Transplant 2013. [DOI: 10.1016/j.healun.2013.01.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Hara K, Horii Y, Iijima T, Adachi I, Aihara H, Asner DM, Aushev T, Aziz T, Bakich AM, Barrett M, Bhardwaj V, Bhuyan B, Bondar A, Bonvicini G, Bozek A, Bračko M, Browder TE, Chekelian V, Chen A, Chen P, Cheon BG, Chilikin K, Cho IS, Cho K, Choi Y, Cinabro D, Dalseno J, Dingfelder J, Doležal Z, Drásal Z, Drutskoy A, Dutta D, Eidelman S, Epifanov D, Esen S, Farhat H, Frey A, Gaur V, Gabyshev N, Ganguly S, Gillard R, Goh YM, Golob B, Haba J, Hara T, Hayasaka K, Hayashii H, Higuchi T, Hoshi Y, Inami K, Ishikawa A, Itoh R, Iwasaki Y, Iwashita T, Julius T, Kang JH, Kawasaki T, Kiesling C, Kim HO, Kim JB, Kim JH, Kim KT, Kim MJ, Kim YJ, Kinoshita K, Klucar J, Ko BR, Kodyš P, Korpar S, Kouzes RT, Križan P, Krokovny P, Kronenbitter B, Kuhr T, Kumita T, Kuzmin A, Kwon YJ, Lange JS, Lee SH, Li J, Li Y, Libby J, Liu C, Liu Y, Liu ZQ, Liventsev D, Matvienko D, Miyabayashi K, Miyata H, Mizuk R, Mohanty GB, Moll A, Mori T, Muramatsu N, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nayak M, Ng C, Nisar NK, Nishida S, Nishimura K, Nitoh O, Nozaki T, Ohshima T, Okuno S, Olsen SL, Oswald C, Ozaki H, Pakhlov P, Pakhlova G, Park CW, Park HK, Pedlar TK, Pestotnik R, Petrič M, Piilonen LE, Prim M, Röhrken M, Ryu S, Sahoo H, Sakai K, Sakai Y, Sandilya S, Santel D, Sanuki T, Sato Y, Schneider O, Schnell G, Schwanda C, Schwartz AJ, Senyo K, Seon O, Sevior ME, Shapkin M, Shen CP, Shibata TA, Shiu JG, Shwartz B, Sibidanov A, Simon F, Smerkol P, Sohn YS, Sokolov A, Solovieva E, Starič M, Sumihama M, Sumiyoshi T, Tatishvili G, Teramoto Y, Trabelsi K, Tsuboyama T, Uchida M, Uehara S, Unno Y, Uno S, Urquijo P, Ushiroda Y, Usov Y, Van Hulse C, Vanhoefer P, Varner G, Varvell KE, Vorobyev V, Wagner MN, Wang CH, Wang MZ, Wang P, Watanabe M, Watanabe Y, Williams KM, Won E, Yabsley BD, Yamamoto H, Yamashita Y, Yusa Y, Zhang ZP, Zhilich V, Zhulanov V, Zupanc A. Evidence for B- → τ- ν(τ) with a hadronic tagging method using the full data sample of Belle. PHYSICAL REVIEW LETTERS 2013; 110:131801. [PMID: 23581309 DOI: 10.1103/physrevlett.110.131801] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Indexed: 06/02/2023]
Abstract
We measure the branching fraction of B- → τ- ν(τ) using the full Υ(4S) data sample containing 772×10(6) BB pairs collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. Events with BB pairs are tagged by reconstructing one of the B mesons decaying into hadronic final states, and B- → τ- ν(τ) candidates are detected in the recoil. We find evidence for B- → τ- ν(τ) with a significance of 3.0 standard deviations including systematic errors and measure a branching fraction B(B- → τ- ν(τ))=[0.72(-0.25)(+0.27)(stat)±0.11(syst)]×10(-4).
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Sarris J, Stough C, Teschke R, Wahid ZT, Bousman CA, Murray G, Savage KM, Mouatt P, Ng C, Schweitzer I. Kava for the treatment of generalized anxiety disorder RCT: analysis of adverse reactions, liver function, addiction, and sexual effects. Phytother Res 2013; 27:1723-8. [PMID: 23348842 DOI: 10.1002/ptr.4916] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 11/19/2012] [Accepted: 11/27/2012] [Indexed: 12/15/2022]
Abstract
Presently, little is known about a number issues concerning kava (Piper methysticum), including (i) whether kava has any withdrawal or addictive effects; (ii) if genetic polymorphisms of the cytochrome (CYP) P450 2D6 liver enzyme moderates any potential adverse effects; and (iii) if medicinal application of kava has any negative or beneficial effect on sexual function and experience. The study design was a 6-week, double-blind, randomized controlled trial (n = 75) involving chronic administration of kava (one tablet of kava twice per day; 120 mg of kavalactones per day, titrated in non-response to two tablets of kava twice per day; 240 mg of kavalactones) or placebo for participants with generalized anxiety disorder. Results showed no significant differences across groups for liver function tests, nor were there any significant adverse reactions that could be attributed to kava. No differences in withdrawal or addiction were found between groups. Interesting, kava significantly increased female's sexual drive compared to placebo (p = 0.040) on a sub-domain of the Arizona Sexual Experience Scale (ASEX), with no negative effects seen in males. Further, it was found that there was a highly significant correlation between ASEX reduction (improved sexual function and performance) and anxiety reduction in the whole sample.
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Mizuk R, Asner DM, Bondar A, Pedlar TK, Adachi I, Aihara H, Arinstein K, Aulchenko V, Aushev T, Aziz T, Bakich AM, Bay A, Belous K, Bhardwaj V, Bhuyan B, Bischofberger M, Bonvicini G, Bozek A, Bračko M, Brodzicka J, Browder TE, Chekelian V, Chen A, Chen P, Cheon BG, Chilikin K, Chistov R, Cho IS, Cho K, Choi SK, Choi Y, Dalseno J, Danilov M, Doležal Z, Drásal Z, Drutskoy A, Eidelman S, Epifanov D, Fast JE, Gaur V, Gabyshev N, Garmash A, Golob B, Haba J, Hara T, Hayasaka K, Hayashii H, Horii Y, Hoshi Y, Hou WS, Hsiung YB, Hyun HJ, Iijima T, Ishikawa A, Itoh R, Iwabuchi M, Iwasaki Y, Iwashita T, Jaegle I, Julius T, Kang JH, Kapusta P, Kawasaki T, Kim HJ, Kim HO, Kim JH, Kim KT, Kim MJ, Kim YJ, Kinoshita K, Ko BR, Koblitz S, Kodyš P, Korpar S, Kouzes RT, Križan P, Krokovny P, Kuhr T, Kumita T, Kuzmin A, Kwon YJ, Lange JS, Lee SH, Li J, Libby J, Liu C, Liu Y, Liu ZQ, Liventsev D, Louvot R, Matvienko D, McOnie S, Miyabayashi K, Miyata H, Mohanty GB, Mohapatra D, Moll A, Muramatsu N, Mussa R, Nakao M, Natkaniec Z, Ng C, Nishida S, Nishimura K, Nitoh O, Nozaki T, Ohshima T, Okuno S, Olsen SL, Onuki Y, Pakhlov P, Pakhlova G, Park CW, Park H, Pestotnik R, Petrič M, Piilonen LE, Poluektov A, Röhrken M, Sakai Y, Sandilya S, Santel D, Sanuki T, Sato Y, Schneider O, Schwanda C, Senyo K, Seon O, Sevior ME, Shapkin M, Shen CP, Shibata TA, Shiu JG, Shwartz B, Sibidanov A, Simon F, Smerkol P, Sohn YS, Sokolov A, Solovieva E, Stanič S, Starič M, Sumihama M, Sumiyoshi T, Tanida K, Tatishvili G, Teramoto Y, Tikhomirov I, Trabelsi K, Tsuboyama T, Uchida M, Uehara S, Uglov T, Unno Y, Uno S, Vanhoefer P, Varner G, Varvell KE, Vinokurova A, Vorobyev V, Wang CH, Wang MZ, Wang P, Wang XL, Watanabe M, Watanabe Y, Williams KM, Won E, Yabsley BD, Yamaoka J, Yamashita Y, Yuan CZ, Zhang ZP, Zhilich V. Evidence for the η(b)(2S) and observation of h(b)(1P)→η(b)(1S)γ and h(b)(2P)→η(b)(1S)γ. PHYSICAL REVIEW LETTERS 2012; 109:232002. [PMID: 23368184 DOI: 10.1103/physrevlett.109.232002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Indexed: 06/01/2023]
Abstract
We report the first evidence for the η(b)(2S) using the h(b)(2P)→η(b)(2S)γ transition and the first observation of the h(b)(1P)→η(b)(1S)γ and h(b)(2P)→η(b)(1S)γ transitions. The mass and width of the η(b)(1S) and η(b)(2S) are measured to be m(η(b)(1S))=(9402.4±1.5±1.8) MeV/c(2), m(η(b)(2S))=(9999.0±3.5(-1.9)(+2.8)) MeV/c(2), and Γ(η(b)(1S))=(10.8(-3.7-2.0)(+4.0+4.5)) MeV. We also update the h(b)(1P) and h(b)(2P) mass measurements. We use a 133.4 fb(-1) data sample collected at energies near the Υ(5S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider.
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Stypula J, Rozanska M, Adachi I, Adamczyk K, Aihara H, Asner DM, Aushev T, Bakich AM, Bhardwaj V, Bhuyan B, Bischofberger M, Bondar A, Bonvicini G, Bozek A, Bračko M, Browder TE, Chang MC, Chang P, Chekelian V, Chen A, Chen P, Cheon BG, Chistov R, Cho IS, Cho K, Choi Y, Dalseno J, Danilov M, Dingfelder J, Doležal Z, Drásal Z, Drutskoy A, Eidelman S, Farhat H, Fast JE, Gaur V, Gabyshev N, Gillard R, Goh YM, Golob B, Haba J, Hayasaka K, Hayashii H, Horii Y, Hoshi Y, Hou WS, Hsiung YB, Hyun HJ, Iijima T, Inami K, Ishikawa A, Itoh R, Iwabuchi M, Iwasaki Y, Julius T, Kang JH, Kapusta P, Kawasaki T, Kichimi H, Kiesling C, Kim HJ, Kim JB, Kim JH, Kim KT, Kim YJ, Kinoshita K, Ko BR, Kodyš P, Korpar S, Kouzes RT, Križan P, Krokovny P, Kuhr T, Kumita T, Kuzmin A, Kwon YJ, Lee SH, Li J, Li Y, Libby J, Liu C, Liu Y, Liu ZQ, Liventsev D, Louvot R, Miyabayashi K, Miyata H, Miyazaki Y, Mizuk R, Mohanty GB, Moll A, Muramatsu N, Nakano E, Nakao M, Natkaniec Z, Ng C, Nishida S, Nishimura K, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Pakhlov P, Pakhlova G, Park CW, Park H, Park HK, Pedlar TK, Pestotnik R, Petrič M, Piilonen LE, Ritter M, Röhrken M, Ryu S, Sahoo H, Sakai Y, Sandilya S, Santel D, Sanuki T, Sato Y, Schneider O, Schwanda C, Senyo K, Seon O, Sevior ME, Shapkin M, Shen CP, Shibata TA, Shiu JG, Shwartz B, Sibidanov A, Simon F, Smerkol P, Sohn YS, Sokolov A, Solovieva E, Stanič S, Starič M, Sumihama M, Sumiyoshi T, Teramoto Y, Uchida M, Uglov T, Unno Y, Uno S, Urquijo P, Usov Y, Vanhoefer P, Varner G, Varvell KE, Vorobyev V, Wang P, Wang XL, Watanabe M, Watanabe Y, Wiechczynski J, Williams KM, Won E, Yabsley BD, Yamamoto H, Yamashita Y, Zhang ZP, Zhilich V, Zhulanov V, Zupanc A. Evidence forB−→Ds+K−ℓ−ν¯ℓand search forB−→Ds*+K−ℓ−ν¯ℓ. Int J Clin Exp Med 2012. [DOI: 10.1103/physrevd.86.072007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Raaphorst G, Yang D, Grewaal D, Stewart D, Goel R, Ng C. Analysis of mechanisms of Cisplatin resistance in 3 pairs of human tumor-cell lines expressing normal and resistant responses to Cisplatin. Oncol Rep 2012; 2:1037-43. [PMID: 21597849 DOI: 10.3892/or.2.6.1037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Three pairs of human tumour cell Lines each having a cisplatin sensitive parental cell line (normal) and a cisplatin resistant derivative were tested for their cisplatin responses and expression for three reputed mechanisms of resistance. In each case, the derivative cell lines showed resistance to cisplatin when treated either in exponential or plateau growth phase. For both the resistant and the normal cell line there was greater resistance to cisplatin treatment when cells were treated in exponential growth phase. Mechanisms of resistance were expressed in all three resistant variants. The cervical carcinoma resistant variant expressed higher GSH levels and lower cisplatin uptake levels but not elevated polymerase levels. The other two variant cell lines for the glioma and the lung cancer expressed all three of the mechanisms (increased GSH, decreased cisplatin uptake and increased polymerases) associated with resistance. There was no correlation to the level of resistance expressed and the number of mechanisms expressed but the change in response of the parental line to becoming a resistant variant may be related to the basal level of expression of some of the factors that are associated with resistance.
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Raaphorst G, Wang G, Ng C. Radiosensitization by Cisplatin treatment in Cisplatin-resistant and sensitive human ovarian-carcinoma cell-lines. Int J Oncol 2012; 7:325-30. [PMID: 21552842 DOI: 10.3892/ijo.7.2.325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The responses of cisplatin resistant (A2780(cp)) and cisplatin sensitive (A2780) ovarian carcinoma cell lines to radiation, cisplatin and cisplatin plus radiation have been studied. The cisplatin resistant cell line showed cross resistance to radiation. When cells were exposed to 2 mu g/ml of cisplatin treatment for one hour radiosensitization was achieved. The degree of radiosensitization was treatment sequence dependent. Irradiation followed by cisplatin treatment resulted in synergistic interaction with dose modifying factors (DMFs) as high as 1.5 in the resistant line and 1.1 in the sensitive line. The reverse sequence resulted in antagonistic interaction with DMFs of 0.8 to 0.9 at the 10% survival level. At lower survival levels the interaction remained antagonistic for the resistant cell line. Increasing the cisplatin concentration to 4 mu g/ml did not increase the degree of cisplatin radiosensitization. Simultaneous treatment of irradiation during the middle of a one or two hour cisplatin treatment did not increase the degree of radiosensitization. The cisplatin resistant cell line had a much greater cisplatin radiosensitization effect than the sensitive parental cell line with maximum DMFs for the resistant cell line ranging from 0.9-1.5 and for the sensitive cell line from 0.8-1.1. These results indicate that cisplatin may be an effective radiosensitizer especially in cisplatin resistant cell lines. This effect may be related to the inhibition of repair of radiation damage which may be elevated as a mechanism of resistance in the resistant cell line.
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Yang FH, Zhang B, Zhou DJ, Bie L, Tom MW, Drummond DC, Nicolaides T, Mueller S, Banerjee A, Park JW, Prados MD, James DC, Gupta N, Hashizume R, Strohbehn GW, Zhou J, Fu M, Patel TR, Piepmeier JM, Saltzman WM, Xie Q, Johnson J, Bradley R, Ascierto ML, Kang L, Koeman J, Marincola FM, Briggs M, Tanner K, Vande Woude GF, Tanaka S, Klofas LK, Wakimoto H, Borger DR, Iafrate AJ, Batchelor TT, Chi AS, Madhankumar AB, Slagle-Webb B, Rizk E, Harbaugh K, Connor JR, Sarkar G, Curran GL, Jenkins RB, Kurozumi K, Ichikawa T, Onishi M, Fujii K, Ishida J, Shimazu Y, Date I, Ebsworth K, Walters MJ, Ertl LS, Wang Y, Berahovich RD, Zhang P, Powers JP, Liu SC, Al Omran R, Sullivan TJ, Jaen JC, Brown M, Schall TJ, Yusuke N, Shimizu S, Shishido-Hara Y, Shiokawa Y, Nagane M, Wang J, Sai K, Chen FR, Chen ZP, Shi Z, Zhang J, Zhang K, Han L, Chen L, Qian X, Zhang A, Wang G, Jia Z, Pu P, Kang C, Kong LY, Doucette TA, Ferguson SD, Hachem J, Yang Y, Wei J, Priebe W, Fuller GN, Qiao W, Rao G, Heimberger AB, Chen PY, Ozawa T, Drummond D, Santos R, Torre JD, Ng C, Lepe EL, Butowski N, Prados M, Bankiewicz K, James CD, Cheng Z, Gong Y, Ma Y, Muller-Knapp S, Knapp S, Wang J, Fujii K, Kurozumi K, Ichikawa T, Onishi M, Shimazu Y, Ishida J, Antonio Chiocca E, Kaur B, Date I, Yu JS, Judkowski V, Bunying A, Ji J, Li Z, Bender J, Pinilla C, Srinivasan V, Dombovy-Johnson M, Carson-Walter E, Walter K, Xu Z, Popp B, Schlesinger D, Gray L, Sheehan J, Keir ST, Friedman HS, Bigner DD, Kut C, Tyler B, McVeigh E, Li X, Herzka D, Grossman S, Lasky JL, Wang Y, Panosyan E, Meisen WH, Hardcastle J, Wojton J, Wohleb E, Alvarez-Breckenridge C, Nowicki M, Godbout J, Kaur B, Lee SY, Slagle-Webb B, Sheehan JM, Connor JR, Yin S, Kaluz S, Devi SN, de Noronha R, Nicolaou KC, Van Meir EG, Lachowicz JE, Demeule M, Che C, Tripathy S, Jarvis S, Currie JC, Regina A, Nguyen T, Castaigne JP, Zielinska-Chomej K, Mohanty C, Viktorsson K, Lewensohn R, Driscoll JJ, Alsidawi S, Warnick RE, Rixe O, deCarvalho AC, Irtenkauf S, Hasselbach L, Xin H, Mikkelsen T, Sherman JH, Siu A, Volotskova O, Keidar M, Gibo DM, Dickinson P, Robertson J, Rossmeisl J, Debinski W, Nair S, Schmittling R, Boczkowski D, Archer G, Bigner DD, Sampson JH, Mitchell DA, Miller IS, Didier S, Murray DW, Issaivanan M, Coniglio SJ, Segall JE, Al-Abed Y, Symons M, Fotovati A, Hu K, Wakimoto H, Triscott J, Bacha J, Brown DM, Dunn SE, Daniels DJ, Peterson TE, Dietz AB, Knutson GJ, Parney IF, Diaz RJ, Golbourn B, Picard D, Smith C, Huang A, Rutka J, Saito N, Fu J, Yao J, Wang S, Koul D, Yung WKA, Fu J, Koul D, Yao J, Wang S, Yuan Y, Sulman EP, Colman H, Lang FF, Yung WKA, Slat EA, Herzog ED, Rubin JB, Brown M, Carminucci AS, Amendolara B, Leung R, Lei L, Canoll P, Bruce JN, Wojton JA, Chu Z, Kwon CH, Chow LM, Palascak M, Franco R, Bourdeau T, Thornton S, Qi X, Kaur B, Kitange GJ, Mladek AC, Su D, Carlson BL, Schroeder MA, Pokorny JL, Bakken KK, Gupta SK, Decker PA, Wu W, Sarkaria JN, Colman H, Oddou MP, Mollard A, Call LT, Vakayalapati H, Warner SL, Sharma S, Bearss DJ, Chen TC, Cho H, Wang W, Hofman FM, Flores CT, Snyder D, Sanchez-Perez L, Pham C, Friedman H, Bigner DD, Sampson JH, Mitchell DA, Woolf E, Abdelwahab MG, Turner G, Preul MC, Lynch A, Rho JM, Scheck AC, Salphati L, Heffron TP, Alicke B, Barck K, Carano RA, Cheong J, Greve J, Lee LB, Nishimura M, Pang J, Plise EG, Reslan HB, Zhang X, GOuld SG, Olivero AG, Phillips HS, Zadeh G, Jalali S, Voce D, Wei Z, Shijun K, Nikolai K, Josh W, Clayton C, Bakhtiar Y, Alkins R, Burgess A, Ganguly M, Wels W, Hynynen K, Li YM, Jun H, Daniel V, Walter HA, Nakashima H, Nguyen TT, Shalkh I, Goins WF, Chiocca EA, Pyko IV, Nakada M, Furuyama N, Lei T, Hayashi Y, Kawakami K, Minamoto T, Fedulau AS, Hamada JI. LAB-EXPERIMENTAL (PRE-CLINICAL) THERAPEUTICS AND PHARMACOLOGY. Neuro Oncol 2012; 14:vi25-vi37. [PMCID: PMC3488776 DOI: 10.1093/neuonc/nos222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2023] Open
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Raingeard D, Ng C, Seow WY, Jinyu BC, Guest J, Steinberg P, McDougald D. Evolution from Bacteria to Mammalia of selected marker genes involved in energy metabolism and stress responses: Bioinformatic approach and applications in coral reef ecology. Comp Biochem Physiol A Mol Integr Physiol 2012. [DOI: 10.1016/j.cbpa.2012.05.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Ng C, Raingeard D, Chan A, Steinberg P, McDougald D. qPCR detection of hepto- and neuro- cyanotoxins in a Singaporean reservoir system. Comp Biochem Physiol A Mol Integr Physiol 2012. [DOI: 10.1016/j.cbpa.2012.05.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Liu ZQ, Shen CP, Yuan CZ, Iijima T, Adachi I, Aihara H, Asner DM, Aulchenko V, Aushev T, Bakich AM, Belous K, Bhardwaj V, Bhuyan B, Bischofberger M, Bondar A, Bozek A, Bračko M, Browder TE, Chang MC, Chang P, Chen A, Chen P, Cheon BG, Chistov R, Cho IS, Cho K, Choi SK, Choi Y, Dalseno J, Doležal Z, Drásal Z, Eidelman S, Epifanov D, Fast JE, Gaur V, Gabyshev N, Garmash A, Goh YM, Haba J, Hayasaka K, Hayashii H, Horii Y, Hoshi Y, Hou WS, Hsiung YB, Hyun HJ, Inami K, Ishikawa A, Itoh R, Iwabuchi M, Iwasaki Y, Iwashita T, Julius T, Kang JH, Kawasaki T, Kiesling C, Kim HJ, Kim HO, Kim JB, Kim KT, Kim MJ, Kim YJ, Ko BR, Koblitz S, Kodyš P, Korpar S, Križan P, Krokovny P, Kumita T, Kuzmin A, Kwon YJ, Lange JS, Lee SH, Li J, Li XR, Li Y, Libby J, Liu C, Liventsev D, Louvot R, Matvienko D, McOnie S, Miyabayashi K, Miyata H, Miyazaki Y, Mizuk R, Mohanty GB, Moll A, Mori T, Muramatsu N, Mussa R, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Ng C, Nishida S, Nishimura K, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Pakhlov P, Pakhlova G, Park CW, Park HK, Pedlar TK, Pestotnik R, Petrič M, Piilonen LE, Ritter M, Röhrken M, Ryu S, Sahoo H, Sakai K, Sakai Y, Sanuki T, Sato Y, Schneider O, Schwanda C, Seidl R, Senyo K, Sevior ME, Shapkin M, Shebalin V, Shibata TA, Shiu JG, Shwartz B, Sibidanov A, Simon F, Smerkol P, Sohn YS, Sokolov A, Solovieva E, Stanič S, Starič M, Sumiyoshi T, Tatishvili G, Teramoto Y, Uchida M, Uehara S, Uglov T, Unno Y, Uno S, Urquijo P, Varner G, Vinokurova A, Vorobyev V, Wang CH, Wang P, Wang XL, Watanabe M, Watanabe Y, Williams KM, Won E, Yamashita Y, Yusa Y, Zhang CC, Zhang ZP, Zhilich V, Zhulanov V. Observation of new resonant structures in γγ → ωϕ, ϕϕ, and ωω. PHYSICAL REVIEW LETTERS 2012; 108:232001. [PMID: 23003948 DOI: 10.1103/physrevlett.108.232001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2012] [Indexed: 06/01/2023]
Abstract
The processes γγ → ωϕ, ϕϕ, and ωω are measured using an 870 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. Production of vector meson pairs is clearly observed and their cross sections are measured for masses that range from threshold to 4.0 GeV. In addition to signals from well established spin-zero and spin-two charmonium states, there are resonant structures below charmonium threshold, which have not been previously observed. We report a spin-parity analysis for the new structures and determine the products of the η(c), χ(c0), and χ(c2) two-photon decay widths and branching fractions to ωϕ, ϕϕ, and ωω.
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Sarris J, Scholey A, Schweitzer I, Bousman C, Laporte E, Ng C, Murray G, Stough C. The acute effects of kava and oxazepam on anxiety, mood, neurocognition; and genetic correlates: a randomized, placebo-controlled, double-blind study. Hum Psychopharmacol 2012; 27:262-9. [PMID: 22311378 DOI: 10.1002/hup.2216] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2011] [Accepted: 01/11/2012] [Indexed: 02/03/2023]
Abstract
RATIONALE Kava (Piper methysticum) is a psychotropic plant medicine with history of cultural and medicinal use. We conducted a study comparing the acute neurocognitive, anxiolytic, and thymoleptic effects of a medicinal dose of kava to a benzodiazepine and explored for the first time specific genetic polymorphisms, which may affect the psychotropic activity of phytomedicines or benzodiazepines. METHODS Twenty-two moderately anxious adults aged between 18 and 65 years were randomized to receive an acute dose of kava (180 mg of kavalactones), oxazepam (30 mg), and placebo 1 week apart in a crossover design trial. RESULTS After exposure to cognitive tasks, a significant interaction was revealed between conditions on State-Trait Anxiety Inventory-State anxiety (p = 0.046, partial ŋ² = 0.14). In the oxazepam condition, there was a significant reduction in anxiety (p = 0.035), whereas there was no change in anxiety in the kava condition, and there was an increase in anxiety in the placebo condition. An increase in Bond-Lader "calmness" (p = 0.002) also occurred for the oxazepam condition. Kava was found to have no negative effect on cognition, whereas a reduction in alertness (p < 0.001) occurred in the oxazepam condition. Genetic analyses provide tentative evidence that noradrenaline (SLC6A2) transporter polymorphisms may have an effect on response to kava. CONCLUSION Acute "medicinal level" doses of this particular kava cultivar in naive users do not provide anxiolytic activity, although the phytomedicine also appears to have no negative effects on cognition.
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Singh A, Ng C, Byron K, Osborne C, Peh A, Berk M. P-953 - Treatment biomarker: blood brain barrier (P-gp) polymorphisms predict antidepressant dose and response - a candidate gene association study. Eur Psychiatry 2012. [DOI: 10.1016/s0924-9338(12)75120-9] [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: 11/29/2022] Open
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Haygood T, Malhotra K, Ng C, Chasen B, McEnery K, Chasen M. Migration of central lines from the superior vena cava to the azygous vein. Clin Radiol 2012; 67:49-54. [DOI: 10.1016/j.crad.2011.05.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Revised: 05/10/2011] [Accepted: 05/31/2011] [Indexed: 10/15/2022]
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