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Paule A, Roubeix V, Swerhone GDW, Roy J, Lauga B, Duran R, Delmas F, Paul E, Rols JL, Lawrence JR. Comparative responses of river biofilms at the community level to common organic solvent and herbicide exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:4282-4293. [PMID: 26315586 DOI: 10.1007/s11356-015-5141-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Accepted: 08/03/2015] [Indexed: 06/04/2023]
Abstract
Residual pesticides applied to crops migrate from agricultural lands to surface and ground waters. River biofilms are the first aquatic non-target organisms which interact with pesticides. Therefore, ecotoxicological experiments were performed at laboratory scale under controlled conditions to investigate the community-level responses of river biofilms to a chloroacetanilide herbicide (alachlor) and organic solvent (methanol) exposure through the development referenced to control. Triplicate rotating annular bioreactors, inoculated with river water, were used to cultivate river biofilms under the influence of 1 and 10 μg L(-1) of alachlor and 25 mg L(-1) of methanol. For this purpose, functional (thymidine incorporation and carbon utilization spectra) and structural responses of microbial communities were assessed after 5 weeks of development. Structural aspects included biomass (chlorophyll a, confocal laser scanning microscopy) and composition (fluor-conjugated lectin binding, molecular fingerprinting, and diatom species composition). The addition of alachlor resulted in a significant reduction of bacterial biomass at 1 μg L(-1), whereas at 10 μg L(-1), it induced a significant reduction of exopolymer lectin binding, algal, bacterial, and cyanobacterial biomass. However, there were no changes in biofilm thickness or thymidine incorporation. No significant difference between the bacterial community structures of control and alachlor-treated biofilms was revealed by terminal restriction fragment length polymorphism (T-RFLP) analyses. However, the methanol-treated bacterial communities appeared different from control and alachlor-treated communities. Moreover, methanol treatment resulted in an increase of bacterial biomass and thymidine incorporation as well. Changes in dominant lectin binding suggested changes in the exopolymeric substances and community composition. Chlorophyll a and cyanobacterial biomass were also altered by methanol. This study suggested that the concentration-dependent effect of alachlor mainly remains limited to biomass and growth inhibition without apparent changes of structural and functional characteristics measured. Our work also establishes the potential toxic effects of organic solvents on river biofilm in ecotoxicological experiments. For the ecotoxicological experiments, the alternative of dissolution in organic solvent followed by its evaporation, depositing the chemical on a glass surface prior to dissolution in river water used here, appears to allow exposure while minimizing the effect of organic solvent.
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Drolet P, Martineau A, Lacroix R, Roy J. Reliability of ultrasound evaluation of the long head of the biceps tendon. J Rehabil Med 2016; 48:554-8. [DOI: 10.2340/16501977-2095] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Sarker UK, Uddin MJ, Chowdhury R, Roy N, Bhattacharjee M, Roy J. Clinical Profile of Peripheral Neuropathy in Leprosy. Mymensingh Med J 2015; 24:671-678. [PMID: 26620002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The objectives of the study were to see the association of peripheral neuropathy in leprosy and to find out the clinical profile of peripheral neuropathy and disability status in leprosy. It was descriptive type of cross sectional study was conducted among the cases of leprosy attended in the out-patient departments of neurology, Mymensingh Medical College Hospital (MMCH) and Mymensingh tuberculosis and leprosy hospital that fulfilled the inclusion criteria were included in this study, during the study period of January 2010 to December 2011.In this study of 62 cases revealed that leprosy is more common in male (71%) people and 21% leprosy patient had contact with known case of leprosy. Leprosy causes peripheral neuropathy (61.3%). Duration of occurrence of peripheral neuropathy was prolonged (>6 month) in most of the patients (47.4%) and the disease progression was also slow (63.2%). Numbness was complained by 89.4% patients and 65.8% subjects complained of weakness of limbs. Deformities and ulcers were present in 26.3% and 50% of patients respectively. Ulnar nerve (43.6%), Lateral popliteal nerve (41.9%), Posterior tibial nerve (41.9%) and Great auricular nerve (17.7%) were the most commonly involved thickened peripheral nerves. The rate of visible physical impairment (WHO Grade 2 disability) among people affected by leprosy in feet was 27.4% and in hands was 16.1%. The position and vibration sense was found to normal all patients of peripheral neuropathy.
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Roy J, Chakraborty D, Dey S. Embolic stroke of unknown source (ESUS) as a subset of cryptogenic stroke: experience from a stroke centre in Eastern India. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.1439] [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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Siika A, Liljeqvist M, Hultgren R, Gasser C, Roy J. AAA Rupture Often Occurs Outside the Maximal Diameter Region and is Preceded by Rapid Local Growth and an Increased Biomechanical Rupture Risk Index. Eur J Vasc Endovasc Surg 2015. [DOI: 10.1016/j.ejvs.2015.06.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Rubinkiewicz M, Ramakrishnan PK, Henry BM, Roy J, Budzynski A. Laparoscopic decompression as treatment for median arcuate ligament syndrome. Ann R Coll Surg Engl 2015; 97:e96-9. [PMID: 26320770 PMCID: PMC5126249 DOI: 10.1308/rcsann.2015.0025] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/28/2015] [Indexed: 11/22/2022] Open
Abstract
Median arcuate ligament syndrome (MALS) is a rare disorder due to coeliac trunk compression by the median arcuate ligament, resulting in coeliac artery stenosis characterised by chronic, recurrent abdominal pain. Patients with MALS are often middle-aged females presenting with a triad of postprandial epigastric pain, weight loss and abdominal bruit. It is a diagnosis of exclusion and confirmed by computed tomography or magnetic resonance imaging. Laparoscopic or open surgical decompression are the only treatment options in MALS. We present two cases of MALS treated by laparoscopic decompression as well as a literature review on this treatment.
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Hedin U, Engström J, Roy J. Endovascular treatment of true and false aneurysms in hemodialysis access. THE JOURNAL OF CARDIOVASCULAR SURGERY 2015; 56:599-605. [PMID: 25731859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Formation of true and false aneurysms in vascular access for hemodialysis is a complication associated with an immediate or chronic threat to the patient, which jeopardizes access function for further dialysis. Although open surgical repair remains the established treatment of choice, during the last decade, endovascular procedures, largely utilizing stent grafts, have emerged as a viable option for treatment in emergencies as well as for elective cases. Here, basic concepts in vascular access aneurysm management are recapitulated and strategies for endovascular treatment of these complications discussed.
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Lawrence JR, Topp E, Waiser MJ, Tumber V, Roy J, Swerhone GDW, Leavitt P, Paule A, Korber DR. Resilience and recovery: the effect of triclosan exposure timing during development, on the structure and function of river biofilm communities. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 161:253-266. [PMID: 25731684 DOI: 10.1016/j.aquatox.2015.02.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Revised: 01/22/2015] [Accepted: 02/20/2015] [Indexed: 06/04/2023]
Abstract
Triclosan (TCS) is a ubiquitous antibacterial agent found in soaps, scrubs, and consumer products. There is limited information on hazardous effects of TCS in the environment. Here, rotating annular reactors were used to cultivate river biofilm communities exposed to 1.8 μg l(-1) TCS with the timing and duration of exposure and recovery during development varied. Two major treatment regimens were employed: (i) biofilm development for 2, 4 or 6 weeks prior to TCS exposure and (ii) exposure of biofilms to TCS for 2, 4 or 6 weeks followed by recovery. Biofilms not exposed to TCS were used as a reference condition. Communities cultivated without and then exposed to TCS all exhibited reductions in algal biomass and significant (p<0.05) reductions in cyanobacterial biomass. No significant effects were observed on bacterial biomass. CLSM imaging of biofilms at 8 weeks revealed unique endpoints in terms of community architecture. Community composition was altered by any exposure to TCS, as indicated by significant shifts in denaturing gradient gel electrophoresis fingerprints and exopolymer composition relative to the reference. Bacterial, algal and cyanobacterial components initially exposed to TCS were significantly different from those TCS-free at time zero. Pigment analyses suggested that significant changes in composition of algal and cyanobacterial populations occurred with TCS exposure. Bacterial thymidine incorporation rates were reduced by TCS exposure and carbon utilization spectra shifted in terms substrate metabolism. Direct counts of protozoans indicated that TCS was suppressive, whereas micrometazoan populations were, in some instances, stimulated. These results indicate that even a relatively brief exposure of a river biofilm community to relatively low levels of TCS alters both the trajectory and final community structure. Although some evidence of recovery was observed, removal of TCS did not result in a return to the unexposed reference condition.
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Roy N, Nahar K, Begum B, Sarker UK, Akter F, Roy J, Chakrabarty R. A 7 years old girl with abdominal lump and per-vaginal bleeding of hypothyroidism. Mymensingh Med J 2015; 24:168-171. [PMID: 25725684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Hypothyroidism is a common endocrine disorder resulting from decreased secretion of thyroid hormone. The diagnosis of hypothyroidism is suggested from the clinical and laboratory findings. Here we present a case report on this disease with rare presentation of abdominal lump and pervaginal bleeding in childhood. A 7 years old girl admitted in a tertiary level hospital with abdominal lump and irregular per vaginal bleeding. Abdominal swelling was gradually increasing in size & associated with lower abdominal pain for last 5 months. On examination the girl was moderately anaemic, mildly oedematous, distended lower abdomen and a mass in left iliac region. Her thyroid function test, serum FSH, serum LH, serum Prolactin was done and high FSH, LH, Prolactin levels were found. Ultrasonography of lower abdomen revealed bulky uterus and bilateral ovarian cysts. MRI of Brain showed feature of pituitary microadenoma. Finally the patient was diagnosed as primary hypothyroidism and bilateral follicular ovarian cyst with pituitary adenoma developed as its consequence. The case is reported for clinical awareness & to share our experience.
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Roy J, Weaver J, Sader M, Ison G. Removing the Antiscatter Grid: A simple way to lower radiation during both Angiography and PCI. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Ford T, Roy J, Rees D. Hampton's hump in a patient with PDA endocarditis. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Barrett D, Roy J, Weaver J, Youssef G. A case study on platypnoea-orthodeoxia following abdominal surgery and previous PFO closure. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Dolch T, Lam MT, Cordes J, Chatterjee S, Bassa C, Bhattacharyya B, Champion DJ, Cognard I, Crowter K, Demorest PB, Hessels JWT, Janssen G, Jenet FA, Jones G, Jordan C, Karuppusamy R, Keith M, Kondratiev V, Kramer M, Lazarus P, Lazio TJW, Lee KJ, McLaughlin MA, Roy J, Shannon RM, Stairs I, Stovall K, Verbiest JPW, Madison DR, Palliyaguru N, Perrodin D, Ransom S, Stappers B, Zhu WW, Dai S, Desvignes G, Guillemot L, Liu K, Lyne A, Perera BBP, Petroff E, Rankin JM, Smits R. A 24 HR GLOBAL CAMPAIGN TO ASSESS PRECISION TIMING OF THE MILLISECOND PULSAR J1713+0747. ACTA ACUST UNITED AC 2014. [DOI: 10.1088/0004-637x/794/1/21] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Roy J, Babu AS. Granulosa cell tumor of the ovary--an incidental finding during caesarean section--a rare case report. Kathmandu Univ Med J (KUMJ) 2014; 12:60-3. [PMID: 25219997 DOI: 10.3126/kumj.v12i1.13641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Approximately one-fourth of the ovarian neoplasms and cysts are diagnosed incidentally during caesarean section. The possibility of borderline tumor or cancer should be considered although existence of ovarian malignancy in pregnancy is rare. We report a case of a rare solid malignant tumor of the ovary incidentally found during caesarean section. Intraoperatively, it was thought to be a variant of the common ovarian teratoma. Ovariectomy was done but histopathology revealed it to be granulosa cell tumor. The diagnosis changed the prognosis and future treatment plan drastically. Equipped with this knowledge physicians can be made aware of the existence of this little-known ovarian neoplasm along with its rare association with pregnancy. Also one can better manage, counsel and follow-up the patients after delivery, given the knowledge of the tumours' inevitable malignant potential and its high incidence of recurrence.
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Roy D, Maertens J, Walker I, Foley R, Lewalle P, Selleslag D, Velthuis J, Gerez L, Reitsma K, Wagena E, Roy J, Lachance S, Mielke S. Immunotherapy with donor lymphocytes depleted of anti-host reactive cells results in safe and efficacious haploidentical HSCT: interim results from a phase II trial in patients with hematologic malignancies. Cytotherapy 2014. [DOI: 10.1016/j.jcyt.2014.01.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mitra JK, Roy J, Bhattacharyya P, Yunus M, Lyngdoh NM. Changing trends in the management of hypotension following spinal anesthesia in cesarean section. J Postgrad Med 2014; 59:121-6. [PMID: 23793313 DOI: 10.4103/0022-3859.113840] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Hypotension during cesarean section under spinal anesthesia remains a frequent scenario in obstetric practice. A number of factors play a role in altering the incidence and severity of hypotension. Counteracting aortocaval compression does not significantly prevent hypotension in most singleton pregnancies. Intravenous crystalloid pre-hydration is not very efficient. Thus, the focus has changed toward co-hydration and use of colloids. Among vasopressors, phenylephrine is now established as a first line drug, although there is limited data in high-risk patients. Though ephedrine crosses the placenta more than phenylephrine and can possibly cause alterations in the fetal physiology, it has not been shown to affect the fetal Apgar or neurobehavioral scores.
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Gasser T, Nchimi A, Swedenborg J, Roy J, Sakalihasan N, Böckler D, Hyhlik-Dürr A. A Novel Strategy to Translate the Biomechanical Rupture Risk of Abdominal Aortic Aneurysms to Their Equivalent Diameter Risk: Method and Retrospective Validation. J Vasc Surg 2014. [DOI: 10.1016/j.jvs.2014.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Boudreault J, Desmeules F, Roy J, Dionne C, Frémont P, MacDermid J. The efficacy of oral non-steroidal anti-inflammatory drugs for rotator cuff tendinopathy: A systematic review and meta-analysis. J Rehabil Med 2014; 46:294-306. [DOI: 10.2340/16501977-1800] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Eken SM, Osterholm C, Chernogubova E, Jin H, Razuvajev A, Perisic L, Hedin U, Roy J, Eriksson P, Maegdefessel L. Array-based profiling reveals biomarker and therapeutic potential for different microRNAs in patients with symptomatic carotid stenosis. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht307.p394] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Roy J, Chakraborty S. Changing Trends in Emergency Contraception. NEPAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY 2013. [DOI: 10.3126/njog.v7i1.8840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Emergency contraception is defined as the use of drugs or devices to prevent pregnancy after unprotected coitus. It is sometimes referred to as ‘morning after’ or postcoital contraception. Global rates of unintended pregnancy are alarming and would suggest that knowledge of, and access to, emergency contraception is an area that needs to be developed1. Emergency contraception has been called the best-kept contraceptive secret. Emergency contraception provides a safe and effective means of postcoital contraception and has been estimated to prevent at least 75% of expected pregnancy resulting from unprotected intercourse. Previous research shows that several regimens of postcoital contraception offer safe and effective ways for women to avoid pregnancy. Yet the methods are often unavailable to women in developing countries. Nepal Journal of Obstetrics and Gynaecology / Vol 7 / No. 1 / Issue 13 / Jan- June, 2012 / 59-63 DOI: http://dx.doi.org/10.3126/njog.v7i1.8840
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Eken SM, Chernogubova E, Jin H, Roy J, Hamsten A, Eriksson P, Tsao PS, Maegdefessel L. MicroRNAs are novel plasma biomarkers for diagnosis and prognosis of abdominal aortic aneurysm disease. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht311.5937] [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: 11/12/2022] Open
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Hajjaji SE, Roy J, Aries L, Dabosi F. Influence of sulphide ions on corrosion resistance of special austenitic stainless steels in phosphoric acid. ACTA ACUST UNITED AC 2013. [DOI: 10.1179/000705993798318498] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Popusoi A, Barba N, Gulea A, Roy J, Poirier D, Prisacari V. Synthesis and Biologic Properties of Some 1-(Alchyl)Phenyl-3-(4-(3-(Pyridin-2-Il)Acryloyl)Phenylthiourea. CHEMISTRY JOURNAL OF MOLDOVA 2013. [DOI: 10.19261/cjm.2013.08(1).10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Aguilar-Mahecha A, Przybytkowski E, Ahmadzadeh E, Lafleur J, Alirezaie N, Mihalcioiu C, Robidoux A, Roy J, Majewski J, Basik M. Genomic Analysis of Drug Resistant Triple Negative Breast Cancers: A Translational Biopsy Study. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt082.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Roy J, Albert CH, Ibanez S, Saccone P, Zinger L, Choler P, Clément JC, Lavergne S, Geremia RA. Microbes on the cliff: alpine cushion plants structure bacterial and fungal communities. Front Microbiol 2013; 4:64. [PMID: 23543612 PMCID: PMC3608923 DOI: 10.3389/fmicb.2013.00064] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Accepted: 03/05/2013] [Indexed: 11/29/2022] Open
Abstract
Plants affect the spatial distribution of soil microorganisms, but the influence of the local abiotic context is poorly documented. We investigated the effect of a single plant species, the cushion plant Silene acaulis, on habitat conditions, and microbial community. We collected soil from inside (In) and outside (Out) of the cushions on calcareous and siliceous cliffs in the French Alps along an elevation gradient (2,000–3,000 masl). The composition of the microbial communities was assessed by Capillary-Electrophoresis Single Strand Conformation Polymorphism (CE-SSCP). Univariate and multivariate analyses were conducted to characterize the response of the microbial beta-diversity to soil parameters (total C, total N, soil water content, N-NH4+,N-NO3-, and pH). Cushions affected the microbial communities, modifying soil properties. The fungal and bacterial communities did not respond to the same abiotic factors. Outside the cushions, the bacterial communities were strongly influenced by bedrock. Inside the cushions, the bacterial communities from both types of bedrock were highly similar, due to the smaller pH differences than in open areas. By contrast, the fungal communities were equally variable inside and outside of the cushions. Outside the cushions, the fungal communities responded weakly to soil pH. Inside the cushions, the fungal communities varied strongly with bedrock and elevation as well as increases in soil nutrients and water content. Furthermore, the dissimilarities in the microbial communities between the In and Out habitats increased with increasing habitat modification and environmental stress. Our results indicate that cushions act as a selective force that counteracts the influence of the bedrock and the resource limitations on the bacterial and fungal communities by buffering soil pH and enhancing soil nutrients. Cushion plants structure microbial communities, and this effect increases in stressful, acidic and nutrient-limited environments.
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Razuvaev A, Ekstrand J, Folkersen L, Agardh H, Markus D, Swedenborg J, Hansson G, Gabrielsen A, Paulsson-Berne G, Roy J, Hedin U. Correlations Between Clinical Variables and Gene-expression Profiles in Carotid Plaque Instability. J Vasc Surg 2011. [DOI: 10.1016/j.jvs.2011.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Roy J, Toubin RM, Mazurier E, Chanal C, Misraoui M, Brulet C, Molenat F. [Developmental outcome of 5-year-old children born to opiate-dependent mothers: effects of a multidisciplinary intervention during pregnancy]. Arch Pediatr 2011; 18:1130-8. [PMID: 21963370 DOI: 10.1016/j.arcped.2011.08.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2010] [Revised: 06/08/2011] [Accepted: 08/09/2011] [Indexed: 11/18/2022]
Abstract
BACKGROUND Studies on infant outcomes of opiate-dependent pregnant women find a high rate of premature mother-child separation and to a lesser extent developmental delay. The specific role of in utero heroin exposure in the determination of the developmental outcome seems to be less important than the home environment. OBJECTIVE Describe the health and development of 5-year-old children whose drug-addict mothers allowed an early multidisciplinary intervention (medical and psychological) in the maternity hospital and neonatology. PATIENTS AND METHODS Thirty-seven children (62% of the initial cohort) were seen in consultation with their parents. Growth and development was compared with a control group of 374 children of the same age. Comparisons were made between the children's and parents' state (social, medical, drug addiction, etc.) upon discharge from the maternity hospital and 5 years later. A study was conducted on those lost to follow-up. RESULTS The rate of placement in 5 years was very low (13%). Seven children showed a developmental delay, 21 no disorder, and nine some problems. Anxiety (37%) and overweight (48%) were the only disorders differentiating them from the control group. Compliance with the care provided in the maternity hospital was the only item significantly related to the development of the 5-year-old children (P=0.05). DISCUSSION The hypothesis of an attachment disorder in those with the greatest need is raised. The likely relations between the quality of the care in the maternity hospital, mother-child relations, and the attrition of the cohort are also discussed. CONCLUSION Management of the symptoms as well as social and psychological care during pregnancy and neonatal hospitalization for opiate-dependent pregnant women facilitates a long-lasting relation with childhood professionals, avoids court-ordered placements, and reduces the appearance of developmental disorders in these children.
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Razuvaev A, Ekstrand J, Folkersen L, Agardh H, Markus D, Swedenborg J, Hansson GK, Gabrielsen A, Paulsson-Berne G, Roy J, Hedin U. Correlations between clinical variables and gene-expression profiles in carotid plaque instability. Eur J Vasc Endovasc Surg 2011; 42:722-30. [PMID: 21741279 DOI: 10.1016/j.ejvs.2011.05.023] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2011] [Accepted: 05/30/2011] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Strokes, a major cause of disability, are often caused by embolism from unstable carotid plaques. The aim of this study was to validate a biobank of human carotid endarterectomies as a platform for further exploration of pathways for plaque instability. For this purpose, we investigated the relationship between clinical parameters of plaque instability and expression of genes previously shown to be associated with either plaque instability or healing processes in the vessel wall. METHODS A database of clinical information and gene-expression microarray data from 106 carotid endarterectomies were used. RESULTS Expression of matrix metalloproteinase (MMP)-9 and MMP-7 was 100-fold higher in plaques than in normal artery. In general, genes associated with inflammation (such as RANKL and CD68) were overexpressed in symptomatic compared with asymptomatic plaques. Plaques obtained from patients undergoing surgery within 2 weeks after an embolic event showed up-regulation of genes involved in healing reactions in the vessel wall (including elastin and collagen). Statin treatment, as well as echodense lesions, were associated with a more stable phenotype. CONCLUSION Here, we demonstrate that gene-expression profiles reflect clinical parameters. Our results suggest that microarray technology and clinical variables can be used for the future identification of central molecular pathways in plaque instability.
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Baron C, Ahmad I, Busque L, Cohen S, Depeault L, Lachance S, Roy D, Roy J, Sauvageau G, Kiss T. The Number of CD34+ Cells in Peripheral Blood Pre Leukapheresis of Allogeneic Stem Cell Donors is Related to Donor Demographic and Hematologic Factors on the Day of Collection. Results of a Single Center Stem Cell Collection Validation Study. Biol Blood Marrow Transplant 2011. [DOI: 10.1016/j.bbmt.2010.12.455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Akhtaruzzaman AK, Banik D, Akhtar MF, Roy J, Haque MF, Hye MA. Prolonged analgesia by adding midazolam and hyperbaric bupivacaine in subarachnoid block for lower uterine caesarian section. Mymensingh Med J 2010; 19:569-575. [PMID: 20956902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Antinociceptive effect and safety of sub-arachnoid (SAB) midazolam is well established in animals and human beings. In this randomized, prospective placebo control clinical study, we investigated the addition of 2.5mg midazolam to bupivacaine on the quality of surgical anaesthesia and duration of first analgesic in the post operative period after lower uterine caesarean section (LUCS). Sixty ASA I or II pregnant women scheduled for elective lower uterine caesarean section were selected for the study. The patients were randomly allocated to receive 2ml of 0.5% hyperbaric bupivacaine with either 0.5ml of 5% dextrose in aqua or 2.5 mg (0.5ml) midazolam. The duration of first analgesic demand, quality of anaesthesia, haemodynamic changes and neonatal condition were assessed. The duration of analgesia (the time interval in minutes between the sub-arachnoid injection and the first analgesic demand by the patient) was significantly longer in the Group II than Group I (197min vs. 112min; p<0.001). The quality of surgical anaesthesia was excellent or good throughout the surgical procedure in 90% (n = 27) of the patients in Group II (p = 0.01). Systolic Blood pressure was significantly lower in the group I at 10 min and 20 min after administration of SAB than group II (p = 0.005 and p = 0.007) but comparable at other times. Sedation level, Apgar score was comparable in both groups. No neurological deficit or other significant adverse effects were recorded. The addition of midazolam with hyperbaric low dose bupivacaine in SAB significantly improves the quality of surgical anaesthesia and prolongs the duration of analgesia without any adverse effects.
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Roy J, Mirnezami A, Gatt M, Sasapu KK, Scott N, Sagar PM. A rare case of Paget's disease in a retrorectal dermoid cyst. Colorectal Dis 2010; 12:946-7. [PMID: 19888952 DOI: 10.1111/j.1463-1318.2009.02102.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Roy J. Critical analysis of relaxation: conventional methods and contemporary practice. Br J Sports Med 2010. [DOI: 10.1136/bjsm.2010.078725.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Gasser T, Auer M, Labruto F, Swedenborg J, Roy J. Biomechanical Rupture Risk Assessment of Abdominal Aortic Aneurysms: Model Complexity versus Predictability of Finite Element Simulations. Eur J Vasc Endovasc Surg 2010; 40:176-85. [DOI: 10.1016/j.ejvs.2010.04.003] [Citation(s) in RCA: 157] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2010] [Accepted: 04/07/2010] [Indexed: 10/19/2022]
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Lavergne V, Ghannoum M, Weiss K, Roy J, Béliveau C. Successful prevention of respiratory syncytial virus nosocomial transmission following an enhanced seasonal infection control program. Bone Marrow Transplant 2010; 46:137-42. [PMID: 20383207 DOI: 10.1038/bmt.2010.67] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Respiratory syncytial virus (RSV) infections can be serious in severely immunocompromised patients. Use of a targeted infection control program (TICP) has been shown to reduce RSV nosocomial transmission. We evaluated the impact of an enhanced seasonal infection control program (ESICP) vs standard TICP in a hematology-oncology ward. TICP was applied from 1999 to 2001 and ESICP applied from 2001 to 2003. ESICP consisted of strict isolation for all patients admitted on the ward during the RSV season. We prospectively evaluated the incidence, related morbidity and mortality of nosocomial RSV in both field interventions. A total of 40 hospitalized RSV infections were documented. The cumulative incidence of nosocomial RSV during TICP and ESICP was respectively of 42.8 and 3.9 cases/1000 admissions (relative risk = 0.09). ESICP needed to be implemented on 26 admitted patients on our ward to prevent one RSV nosocomial case. Furthermore, implementation of ESICP prevented four pneumonias and two deaths per RSV season. We conclude that ESICP is significantly more efficient than TICP to reduce the occurrence of nosocomial RSV infections and its related morbidity and mortality in patients with hematological malignancy and recipients of hematopoietic SCT.
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Miller J, Sun M, Gilyan A, Roy J, Rand T. Low Molecular Weight Compounds from Fungi from Damp Building Materials Induce Inflammatory Gene Transcription and Expression in Mouse Lungs. J Allergy Clin Immunol 2010. [DOI: 10.1016/j.jaci.2009.12.320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Miller JD, Sun M, Gilyan A, Roy J, Rand TG. Inflammation-associated gene transcription and expression in mouse lungs induced by low molecular weight compounds from fungi from the built environment. Chem Biol Interact 2010; 183:113-24. [PMID: 19818335 DOI: 10.1016/j.cbi.2009.09.023] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2009] [Revised: 09/29/2009] [Accepted: 09/29/2009] [Indexed: 12/27/2022]
Abstract
Few metabolites from fungi found indoors have been tested for inflammatory mediators endpoints in primary cultures of alveolar macrophages or in vivo. In this study, mice were intratracheally instilled with a single dose comprising 4x10(-5)moletoxin/kg lung wt dose of either atranone C, brevianamide, cladosporin, mycophenolic acid, neoechinulin A & B, sterigmatocystin or TMC-120A. These toxins are from fungi common on damp building materials. The dose used was comparable to the estimated doses of possible human exposure. Hematoxylin and eosin (H&E) histology and Alcian Blue/Periodic Acid Schiff (AB/PAS) histochemistry were used to evaluate lungs for time course (4h and 12h post-exposure (PE)) inflammatory and toxic changes. Reverse-transcription (RT)-PCR based arrays were also employed to evaluate time course inflammation-associated gene transcription in lung tissues of the different toxins. Immunohistochemistry (IHC) was used to probe MIP-2 and Tnf-alpha protein expression in treatment lungs to determine whether responses correspond with gene transcription data. Both histology and histochemistry revealed that toxin exposed lungs at 12h PE showed evidence of inflammation. H&E revealed that bronchioli were lined with irregularly thickened and sometimes sloughing epithelium and bronchiolar spaces supported infiltration of leukocytes, cellular and mucus-like debris while alveolar spaces supported swollen macrophages and modest amorphous debris accumulations. All toxin-instilled lungs exhibited copious mucus production and alveolar macrophages with red stained cytoplasm on bronchiolar surfaces, especially at 12h PE. Array analysis of 83 inflammation-associated genes extracted from lung tissue demonstrated a number of patterns, compared to controls. 82 genes assayed at 4h PE and 75 genes at 12h PE were significantly altered (p< or =0.05; >or =1.5-fold or < or =-1.5-fold change) in the different treatment animal groups. Expression of transcriptionally regulated genes was confirmed using immunohistochemistry that demonstrated MIP-2 and Tnf-alpha staining in respiratory bronchiolar epithelia, alveolar macrophages and alveolar type II cells. The transcriptional regulation in these genes in the treatment groups suggests that they may serve central roles in the immunomodulation of toxin-induced pro-inflammatory lung responses. Hierarchical cluster analysis revealed significant patterns of gene transcription linking the response of the toxins at equimolar doses in three groups: (1) brevianamide, mycophenolic acid and neoechinulin B, (2) neoechinulin A and sterigmatocystin, and (3) cladosporin, atranone C and TMC-120. The results further confirm the inflammatory nature of metabolites/toxins from such fungi can contribute to the development of non-allergenic respiratory health effects.
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Lund K, Razuvaev A, Roy J, Paulsson-Berne G, Hedin U, Caidahl K. Abstract: 1077 QUANTITATIVE ANALYSIS OF CAROTID PLAQUE DENSITY IN RELATION TO GENE EXPRESSION PROFILES. ATHEROSCLEROSIS SUPP 2009. [DOI: 10.1016/s1567-5688(09)70289-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Razuvaev A, Ekstrand J, Karlöf E, Lund K, Caidahl K, Hedin U, Roy J. Abstract: P629 NON-INVASIVE REAL-TIME IMAGING OF INTIMA THICKNESS, VESSEL DIAMETER AND BLOOD FLOW ASSESSMENT AFTER ARTERIO-VENOUS FISTULA CREATION ON AN INJURED RAT CAROTID ARTERY USING ULTRASOUND BIOMICROSCOPY. ATHEROSCLEROSIS SUPP 2009. [DOI: 10.1016/s1567-5688(09)70797-4] [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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Lawrence JR, Zhu B, Swerhone GDW, Roy J, Wassenaar LI, Topp E, Korber DR. Comparative microscale analysis of the effects of triclosan and triclocarban on the structure and function of river biofilm communities. THE SCIENCE OF THE TOTAL ENVIRONMENT 2009; 407:3307-3316. [PMID: 19275956 DOI: 10.1016/j.scitotenv.2009.01.060] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2008] [Revised: 01/23/2009] [Accepted: 01/28/2009] [Indexed: 05/27/2023]
Abstract
The broad spectrum antimicrobials triclosan (TCS) and triclocarban (TCC) are commonly detected in the environment. However, there is very limited understanding of the aquatic ecological implications of these agents. During this study, river biofilms were cultivated using 10 microg l(-1) of TCS or TCC and the equivalent in nutrients (carbon, nitrogen) over a developmental period of 8 weeks. Confocal laser microscopy showed that the biofilm communities developing under the influence of TCS and TCC had community architecture and composition different from either control or nutrient exposed communities. Microscale analyses of biofilm community structure indicated a significant reduction in algal biomass (p<0.05) as a result of exposure to either TCS or TCC. Thymidine incorporation did not detect significant differences between control and treated communities. The use of carbon utilization assays based on growth indicated that, in general, TCS and TCC suppressed utilization. The community was altered from one dominated by autotrophic processes to one dominated by heterotrophic processes. Both TCS and TCC treatments resulted in significant (p<0.05) alterations in the composition of the EPS matrix of the communities, suggesting significant changes in community composition. Denaturing gradient gel electrophoresis and PCA-ANOSIM analyses indicated a significant change occurred in the bacterial community as a consequence of TCS treatments. Enumeration of micrometazoa and protozoa revealed an increase in micrometazoan numbers over control values, whereas no clear impact on protozoa was detected in any treatment. This study indicated significant effects of 10 microg l(-1) TCS and TCC on microbial community composition, algal biomass, architecture and activity.
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Meyerheim HL, Tusche C, Ernst A, Ostanin S, Maznichenko IV, Mohseni K, Jedrecy N, Zegenhagen J, Roy J, Mertig I, Kirschner J. Wurtzite-type CoO nanocrystals in ultrathin ZnCoO films. PHYSICAL REVIEW LETTERS 2009; 102:156102. [PMID: 19518654 DOI: 10.1103/physrevlett.102.156102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2008] [Indexed: 05/27/2023]
Abstract
Surface x-ray diffraction experiments reveal that, in cobalt-doped ZnO films two to five monolayers thick, Wurtzite-type CoO nanocrystals are coherently embedded within a hexagonal boron-nitride- (h-BN)-type ZnO matrix, supporting the model of a phase separation. First-principles calculations confirm that, in contrast with ZnO, the formation of h-BN-type CoO is unfavorable in the ultrathin film limit. Our results are important for understanding magnetic properties of transition metal-doped semiconductors in general.
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Roy J, Havran RT, Schwartz IL, Walter R. Oxytocin analogs with substitutions in postions 3 and 4. INTERNATIONAL JOURNAL OF PEPTIDE AND PROTEIN RESEARCH 2009; 7:171-8. [PMID: 1140889 DOI: 10.1111/j.1399-3011.1975.tb02429.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Synthesis and biological properties are reported for some analogs of oxytocin with replacements of the isoleucine residue in position 3, i.e., (3-proline)oxytocin and(3-D-alanine)oxytocin, and the glutamine residue in position 4, i.e., (4-D-alanine)-oxytocin and (4-D-leucin)oxytocin. (3-Proline)oxytocin exhibited smaller than0.02 U/MG oxytocic activity, 0.005 plus or minus smaller than 0.001 U/mg rat pressor activity and 0.003 plus or minus 0.0001 U/mg antidiuretic activity. (3-D-Alanine)oxytocin had no agonistic activity in the bioassays tested except for the rat antidiuretic assay (smaller than 0.0005 U/mg). The 4-D-alanine analog showed 0.05 plus or minus 0.003 U/mg oxytocic activity, 0.07 plus or minus 0.01 U/mg avian vasodepressor activity, and smaller than 0.001 U/mg rat antidiuretic activity. (4-D-Leucine)oxytocin possessed 0.001 plus or minus U/mg rat pressor activity, and showed slight inhibitory properties in the oxytocic and avian vasodepressor assays, inhibiting the oxytocin response in the latter assay by about 60% at a girnibe-to-analog ratio of 1:5000. The activity profiles of the analogs are compared to that of oxytocin and are discussed on the basis of the proposed solution conformation of oxytocin.
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Stewart WF, Wood C, Reed ML, Roy J, Lipton RB. Cumulative Lifetime Migraine Incidence in Women and Men. Cephalalgia 2008; 28:1170-8. [PMID: 18644028 DOI: 10.1111/j.1468-2982.2008.01666.x] [Citation(s) in RCA: 265] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The aim was to estimate lifetime sex and age-specific incidence of migraine. Data are from the American Migraine Prevalence and Prevention study, a mailed survey sent to 120 000 US households. Age-specific incidence was estimated using self-reported data relevant to identification of migraine cases, age of onset of migraine and age at interview. Migraine incidence peaked between the ages of 20 and 24 years in women (18.2/1000 person-years) and the ages of 15 and 19 years in men (6.2/1000 person-years). Cumulative incidence was 43± in women and 18± in men. Median age of onset was 25 years among women and 24 years among men. Onset in 50± of cases occurred before age 25 and in 75± before age 35 years. Four of every 10 women and two of every 10 men will contract migraine in their lifetime, most before age 35 years. The incidence estimates from this analysis are consistent with those reported in previous longitudinal studies.
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Torrelles X, Cabailh G, Lindsay R, Bikondoa O, Roy J, Zegenhagen J, Teobaldi G, Hofer WA, Thornton G. Geometric structure of TiO2(011)(2 x 1). PHYSICAL REVIEW LETTERS 2008; 101:185501. [PMID: 18999837 DOI: 10.1103/physrevlett.101.185501] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2008] [Indexed: 05/20/2023]
Abstract
Surface x-ray diffraction has been employed to elucidate the surface structure of the (011)-(2 x 1) termination of rutile TiO2. The data are inconsistent with previously proposed structures. Instead, an entirely unanticipated geometry emerges from the structure determination, which is terminated by zigzag rows of twofold coordinated oxygen atoms asymmetrically bonded to fivefold titanium atoms. The energetic stability of this structure is demonstrated by ab initio total energy calculations.
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Chumakov YM, Tsapkov VI, Jeanneau E, Bairac NN, Bocelli G, Poirier D, Roy J, Gulea AP. Crystal structures of copper(II) chloride, copper(II) bromide, and copper(II) nitrate complexes with pyridine-2-carbaldehyde thiosemicarbazone. CRYSTALLOGR REP+ 2008. [DOI: 10.1134/s1063774508050106] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Dupont C, Gonnaud F, Touzet S, Luciani F, Perié MA, Molenat F, Evrard A, Fernandez MP, Roy J, Rudigoz RC. [Early prenatal interview: implementation of a sheet link "carried" by patient. The Aurore perinatal network experience]. ACTA ACUST UNITED AC 2008; 37:685-90. [PMID: 18755561 DOI: 10.1016/j.jgyn.2008.07.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2008] [Revised: 07/08/2008] [Accepted: 07/09/2008] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Early prenatal interview has needed the implementation of a new communication tool between follow-up pregnancy professionals: a link sheet filled and carried by patients. OBJECTIVE To assess the utilization of link sheet by trained professionals, the contribution of the interview and the patient acceptation of the link sheet. MATERIALS AND METHOD Descriptive survey from the database of link sheets returned by professionals to Aurore perinatal network and semi-guided interviews with 100 randomized patients. RESULT One thousand one hundred and nineteen link sheets were sent to Aurore perinatal network by 55 professionals out of 78 trained. For primipare, precocious prenatal interview contribution has concerned health care security (60%) and emotional security (56%). For multipare, this contribution has concerned mainly emotional security (80%). No interviewed patient has refused link sheet principle. CONCLUSION Link sheet principle, like implemented by Aurore perinatal network, seems pertinent to professionals and patients but it constitutes only one of the elements of network elaboration of personalized care.
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Gulya AP, Prisacar’ VI, Tsapkov VI, Buracheva SA, Spynu SN, Bezhenar’ NP, Poirier D, Roy J. Synthesis and antimicrobial activity of sulfanylamide-containing copper(II) and nickel(II) salicylidenethiosemicarbazidates. Pharm Chem J 2008. [DOI: 10.1007/s11094-008-0023-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Das SK, Biswas A, Roy J, Bose P, Roy T, Banerjee TK, Mukherjee C, Raut DK, Chowdhury A, Hazra A. Prevalence of major neurological disorders among geriatric population in the metropolitan city of Kolkata. THE JOURNAL OF THE ASSOCIATION OF PHYSICIANS OF INDIA 2008; 56:175-181. [PMID: 18697633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Well-conducted neuroepidemiological studies for the geriatric population are rare in India. In view of the growing aging population, we planned to determine the prevalence of common neurological disorders among the elderly population in the city of Kolkata. This was a cross-sectional study of a stratified random sample of the city population and carried in two stages through house to house survey. Initially, trained non-medical workers screened the cases with a validated family questionnaire and then a neurologist examined all the screened positive cases. A validated neuropsychological screening test was also applied among the elderly population with cognitive complaints. Results showed prevalence rates (per 1000 elderly population--> or = 60 years) of following disorders in decreasing order: stroke--33.93, essential tremor--13.76, dementia--7.89, Parkinsonism--3.30 and epilepsy--2.57. Sex-specific prevalence showed that stroke was commoner among men and that of other disorders among women. Age-specific prevalence recorded progressive increase in the rates of all disorders among both genders, though not uniformly among women. Overall the crude prevalence of neurological disorders was 60.9 per 1000. The present study shows higher rate of stroke as compared to other neurological disorders among elderly population in India, which needs urgent attention.
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Kozloff M, Chuang E, Roy J, Starr A, Gowland P, Tarpey M, Collier M, Verkh L, Kern K, Miller K. 2107 POSTER Preliminary results of a phase I study of sunitinib plus paclitaxel for first-line treatment of advanced breast cancer. EJC Suppl 2007. [DOI: 10.1016/s1359-6349(07)70869-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Miller K, Rosen LS, Modi S, Schneider B, Roy J, Chap L, Paulsen M, Kersey K, Hannah A, Hudis C. Phase I trial of alvespimycin (KOS-1022; 17-DMAG) and trastuzumab (T). J Clin Oncol 2007. [DOI: 10.1200/jco.2007.25.18_suppl.1115] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
1115 Background: Alvespimycin (A) inhibits the activity of Hsp90, resulting in degradation of client proteins, such as the HER2 receptor. In vivo, Hsp90 inhibition induces rapid degradation of HER2 with loss of pAKT, cyclin D2 and tumor growth inhibition. Methods: Pts receive standard weekly doses of T followed by A in escalating doses via IV doses over 1 hr. Define the recommended dose (RP2D), toxicity and signs of activity of T+A in pts with solid tumors. PK: assessed after the 1st and 4th infusion. PBLs: purified to investigate changes in intracellular signaling proteins by immunoblot. The RP2D will produce DLT in no more than 1/6 evaluable pts. Results: 21 pts enrolled in 3 cohorts (60, 80 and 100 mg/m2). Median age 53 yrs, range 31–75; median KPS 90; prior regimens not including hormonal therapy: median 6, range 1–13; prior T-regimens for MBC pts: median 3, range 0–9. Diagnoses: HER2+ MBC (n=18), ovarian (n=3). DLT was observed at the highest dose, consisting of 1 pt with hypoxia and ↓LVEF; an additional pt at this dose had Grade 3 ↑AST, however ↑hepatic metastases and ascites were observed. Drug-related toxicity: diarrhea (60%), fatigue, headache (both 45%), nausea, arthralgias (both 40%), dry eye and pain in extremity (both 25%); all Grade 1–2 severity except 1 episode of Gr3 fatigue and Gr3 diarrhea. PK (n=18): t½ 17.7 hr (32%CV); Clearance 18.1 L/hr (46%CV); Vz 438L (42%CV); no change upon weekly dosing. AUCinf/Cmax (100 mg/m2): 14268 ng*hr/mL (60%CV) and 2233 ng/mL (23.5%CV). HER2+ MBC activity: 1 pt (13 prior regimens; 3x T and 1x lapatanib) with evaluable disease showed near complete resolution of lung metastases by CT/PET with significant improvement in dyspnea; 3 pts with HER2+ MBC with SD (4, 5 and 7+ months). Ovarian CA activity: 1 pt (HER2 unknown; 13 prior regimens; 11+ months on-study) with evaluable disease showed near complete resolution of ascites and pleural effusion at end of Cycle 2 with ↓83% CA125. Dose-dependent increase in Hsp70 in PBLs; at 80 and 100 mg/m2, Hsp70 induction was maintained prior to successive weekly doses. Conclusions: Combination of T+A has signs of activity in H-refractory HER2+ MBC and refractory ovarian cancer. Definition of RP2D dose is pending. Toxicity has been manageable. No significant financial relationships to disclose.
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