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Cassadó J, Huguet E, Carmona A, Oteros B, Pessarrodona A, Porta O. Impact of Laparoscopic Prolapse Repair in the Levator Hiatus Area. J Minim Invasive Gynecol 2022; 29:1310-1316. [PMID: 35964943 DOI: 10.1016/j.jmig.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/27/2022] [Accepted: 08/08/2022] [Indexed: 12/14/2022]
Abstract
STUDY OBJECTIVE To determine whether laparoscopic surgery by sacrocolpopexy or sacrocervicopexy with posterior mesh attachment to levator ani to treat pelvic organ prolapse reduces the levator hiatus area, as measured by transperineal 3- and 4-dimensional ultrasound. The secondary objective was to assess the risk factors for prolapse recurrence. DESIGN This is a prospective cohort study. SETTING A university tertiary hospital. PATIENTS Women with symptomatic apical prolapse at a high risk of recurrence were included. High risk of recurrence was defined as age <60 years and levator injury (avulsion and/or ballooning) or stage III-IV prolapse Pelvic Organ Prolapse Quantification. INTERVENTIONS Women were treated with laparoscopic sacrocolpopexy or sacrocervicopexy. MEASUREMENTS AND MAIN RESULTS Women underwent clinical examination according to assessment by the Pelvic Organ Prolapse Quantification system and transperineal ultrasound for the levator hiatus area at Valsalva. We collected demographic, clinical, and ultrasound data before surgery from clinical records and performed a comparative analysis of the levator hiatus areas before and after surgery and univariate and multivariate analyses of the risk factors for recurrence. Among the 30 women who enrolled, the levator hiatus area at Valsalva decreased significantly after surgery by an average of 4.68 cm2 (p = .028). However, despite a recurrence rate of 13.3%, we found no risk factors associated with recurrence in either the univariate or the multivariate analyses. CONCLUSION Laparoscopic surgery by sacrocolpopexy or sacrocervicopexy for pelvic organ prolapse with mesh posterior attachment to levator ani significantly reduces the levator hiatus area measured by transperineal ultrasound. Further large-scale studies will be needed to confirm our results and identify risk factors for recurrence.
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Affiliation(s)
- Jordi Cassadó
- University Hospital Mútua Terrassa, Terrassa, Spain (all authors).
| | - Eva Huguet
- University Hospital Mútua Terrassa, Terrassa, Spain (all authors)
| | - Anna Carmona
- University Hospital Mútua Terrassa, Terrassa, Spain (all authors)
| | - Beatriz Oteros
- University Hospital Mútua Terrassa, Terrassa, Spain (all authors)
| | | | - Oriol Porta
- University Hospital Mútua Terrassa, Terrassa, Spain (all authors)
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Cassadó J, Simó M, Rodríguez N, Porta O, Huguet E, Mora I, Girvent M, Fernández R, Gich I. Prevalence of levator ani avulsion in a multicenter study (PAMELA study). Arch Gynecol Obstet 2020; 302:273-280. [PMID: 32449062 DOI: 10.1007/s00404-020-05585-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 05/05/2020] [Indexed: 11/28/2022]
Abstract
PURPOSE The objective is to determine the prevalence of levator ani muscle (LAM) avulsion using four-dimensional ultrasound in primiparous women after vaginal delivery and according to delivery mode. METHODS This prospective, multicenter study included 322 women evaluated at 6-12 months postpartum by four-dimensional transperineal ultrasound to identify levator ani muscle avulsion. The researcher who performed the ultrasound was blinded to all clinical data. Meaningful data about the birth were also recorded: mode of delivery, mother's age and body mass index, duration of second stage, episiotomy, perineal tearing, anesthesia, assistant, head circumference and fetal weight. RESULTS 303 volumes were valid for evaluation. The overall prevalence of levator ani muscle avulsion was 18.8% (95% CI 14.4-23.2%). In our multivariate analysis, only mode of delivery reached statistical significance as a risk factor for levator ani muscle avulsion (p < 0.001). The prevalence according to the different modes of delivery was 7.8% in spontaneous delivery, 28.8% in vacuum-assisted and 51.1% in forceps-assisted delivery. Compared with spontaneous delivery, the OR for LAM avulsion was 12.31 with forceps (CI 95% 5.65-26.80) and 4.78 with vacuum-assisted delivery (CI 95% 2.15-10.63). CONCLUSIONS Levator ani avulsion during vaginal delivery in primiparous women occurs in nearly one in every five deliveries. Delivery mode is a significant and modifiable intrapartum risk factor for this lesion. The incidence is lower in spontaneous delivery and significantly increases when an instrument is used to assist delivery, especially forceps.
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Affiliation(s)
- Jordi Cassadó
- Obstetrics and Gynecology Department, Hospital Universitari Mútua de Terrassa, Plaça Dr. Robert, 4, 08221, Terrassa, Spain.
| | - Marta Simó
- Obstetrics and Gynecology Department, Hospital Universitari de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Nuria Rodríguez
- Obstetrics and Gynecology Department, Hospital Universitari de la Vall d'Hebrón, Barcelona, Spain
| | - Oriol Porta
- Obstetrics and Gynecology Department, Hospital Universitari de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Eva Huguet
- Obstetrics and Gynecology Department, Hospital Universitari Mútua de Terrassa, Plaça Dr. Robert, 4, 08221, Terrassa, Spain
| | - Irene Mora
- Obstetrics and Gynecology Department, Consorci Sanitari d'Igualada, Igualada, Spain
| | - Marta Girvent
- Obstetrics and Gynecology Department, Hospital General de Granollers, Granollers, Spain
| | - Rebeca Fernández
- Obstetrics and Gynecology Department, Hospital Universitari Dexeus, Barcelona, Spain
| | - Ignasi Gich
- Sant Pau Biomedical Research Institute (IIB Sant Pau) and CIBER Epidemiology and Public Health (CIBERESP), Barcelona, Spain
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Drezen JM, Gauthier J, Josse T, Bézier A, Herniou E, Huguet E. Foreign DNA acquisition by invertebrate genomes. J Invertebr Pathol 2017; 147:157-168. [DOI: 10.1016/j.jip.2016.09.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 09/09/2016] [Accepted: 09/14/2016] [Indexed: 12/14/2022]
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Simó M, Porta O, Pubill J, Castillo MT, Mora I, Huguet E, Ortega JA, Martínez E. Adherence to fesoterodine in women with overactive bladder in routine clinical practice. Actas Urol Esp 2015; 39:222-8. [PMID: 25442908 DOI: 10.1016/j.acuro.2014.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 05/07/2014] [Accepted: 05/14/2014] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To assess the short-term compliance with fesoterodine treatment and to identify the reasons for lack of adherence and discontinuation in routine clinical practice. The secondary aim was to estimate the patient-reported outcomes. METHODS This was an observational retrospective, multicenter study conducted in a sample of women with overactive bladder on fesoterodine treatment for at least three months. Adherence to medication was assessed using the Morisky-Green test. Patient-reported outcomes were assessed using the Incontinence Questionnaire Short Form (ICIQ-SF), Overactive Bladder Questionnaire Short Form (OAB-qSF), and Treatment Benefit Scale (TBS). RESULTS One hundred and twenty women with a mean age [standard deviation (SD)] of 62.2 (12.0) years with severe OAB [mean (SD) ICIQ-SF score 13.2 (4.0)] were included. 42.1% of the patients were considered compliant with fesoterodine treatment. The main causes for non-compliance/discontinuation stated by the remaining 57.9% of the patients were adverse events (62.2%) and lack of clinical benefits (20.0%). The illness status as well as the patient-perceived bother occasioned by the OAB symptoms and their impact on the quality of life improved significantly after three months on fesoterodine treatment (p<0.0001). Most of the patients stated that the current state of their urinary problems had greatly improved/ improved. CONCLUSION In routine clinical practice, a high percentage of patients were adherent to fesoterodine and perceived the benefit that the treatment provided them three months after starting treatment. However, more than half of the study population failed to comply or discontinued the treatment mainly due to intolerance or lack of efficacy.
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Affiliation(s)
- M Simó
- Departamento de Obstetricia y Ginecología, Hospital de Sant Pau, Universitat Autònoma de Barcelona, Barcelona, España.
| | - O Porta
- Departamento de Obstetricia y Ginecología, Hospital de Sant Pau, Universitat Autònoma de Barcelona, Barcelona, España
| | - J Pubill
- Departamento de Obstetricia y Ginecología, Corporació Sanitària Parc Taulí, Barcelona, España
| | - M T Castillo
- Departamento de Obstetricia y Ginecología, Parc de Salut Mar, Barcelona, España
| | - I Mora
- Departamento de Obstetricia y Ginecología, Hospital d'Igualada, Barcelona, España
| | - E Huguet
- Departamento de Obstetricia y Ginecología, Hospital Viladecans, Barcelona, España
| | - J A Ortega
- PASSIR Dreta, Institut Català de la Salut, Barcelona, España
| | - E Martínez
- Departamento de Obstetricia y Ginecología, Parc Sanitari Sant Joan de Déu Sant Boi, Barcelona, España
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Freeman AC, Platt SR, Kent M, Huguet E, Rusbridge C, Holmes S. Chiari-like malformation and syringomyelia in American Brussels Griffon dogs. J Vet Intern Med 2014; 28:1551-9. [PMID: 25145262 PMCID: PMC4895564 DOI: 10.1111/jvim.12421] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 06/11/2014] [Accepted: 06/19/2014] [Indexed: 11/29/2022] Open
Abstract
Background Although Chiari‐like malformation (CM) and syringomyelia (SM) have been described in many small breed dogs, the prevalence and clinical manifestations of this complex have not been documented in a large cohort of American Brussels Griffon (ABG) dogs. Objectives To characterize the clinical and magnetic resonance imaging (MRI) features of CM and SM in the ABG breed. Animals Eighty‐four American Kennel Club registered ABG dogs were recruited. Methods Prospective study. Complete histories and neurologic examinations were obtained before MRI. Images were blindly reviewed and calculations were made by using OsiriX. All analyses were performed by Student's t‐test, Spearman's correlation, ANOVA, and chi‐square test where appropriate. Results Chiari‐like malformation and SM were present in 65% and 52% of dogs, respectively. Twenty‐eight percent of dogs had neurologic deficits and 20% had neck pain. Mean central canal (CC) transverse height was 2.5 mm with a mean length of 3.6 cervical vertebrae. Neurologic deficits were significantly associated with a larger syrinx (P = .04, P = .08) and syrinx size increased with age (P = .027). SM was associated with a smaller craniocervical junction (CCJ) height (P = .04) and larger ventricles (P = .0001; P < .001). Conclusions and Clinical Importance Syringomyelia and CM are prevalent in American Brussels Griffon dogs. Syrinx size is associated with neurologic deficits, CM, larger ventricles, a smaller craniocervical junction height, neurologic deficits, and cerebellar herniation. Fifty‐two percent of dogs with a SM were clinically normal.
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Affiliation(s)
- A C Freeman
- Animal Health Trust, Centre for Small Animal Studies, Newmarket, Suffolk, UK
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Ben Achour J, Huguet E, Renaud J. Conformally invariant wave equation for a symmetric second rank tensor (“spin-2”) in ad-dimensional curved background. Int J Clin Exp Med 2014. [DOI: 10.1103/physrevd.89.064041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Huguet E, Agudo D, Alonso M, Bronet F. Time-lapse technology provides relevant information about one pronucleus zygotes (1PNZ) observed with conventional microscopy in the decision-making process. Fertil Steril 2013. [DOI: 10.1016/j.fertnstert.2013.07.1244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Karasu Y, Dilbaz B, Demir B, Dilbaz S, Secilmis Kerimoglu O, Ercan CM, Keskin U, Korkmaz C, Duru NK, Ergun A, de Zuniga I, Horton M, Oubina A, Scotti L, Abramovich D, Pascuali N, Tesone M, Parborell F, Bouzas N, Yang XH, Chen SL, Chen X, Ye DS, Zheng HY, Nyboe Andersen A, Lauritsen MP, Thuesen LL, Khodadadi M, Shivabasavaiah S, Mozafari R, Ansari Z, Hamdine O, Broekmans F, Eijkemans MJC, Cohlen BJ, Verhoeff A, van Dop PA, Bernardus RE, Lambalk CB, Oosterhuis GJE, Holleboom C, van den Dool-Maasland GC, Verburg HJ, van der Heijden PFM, Blankhart A, Fauser BCJM, Laven JSE, Macklon NS, Agudo D, Lopez C, Alonso M, Huguet E, Bronet F, Garcia-Velasco JA, Requena A, Gonzalez Comadran M, Checa MA, Duran M, Fabregues F, Carreras R, Ersahin A, Kahraman S, Kavrut M, Gorgen B, Acet M, Dokuzeylul N, Aybar F, Lim SY, Park JC, Bae JG, Kim JI, Rhee JH, Mahran A, Abdelmeged A, El-Adawy A, Eissa M, Darne J, Shaw RW, Amer SA, Dai A, Yan G, He Q, Hu Y, Sun H, Ferrero H, Gomez R, Garcia-Pascual CM, Simon C, Gaytan F, Pellicer A, Garcia Pascual CM, Zimmermann RC, Ferrero H, Simon C, Pellicer A, Gomez R, Madani T, Mohammadi Yeganeh L, Khodabakhshi SH, Akhoond MR, Hasani F, Monzo C, Haouzi D, Assou S, Dechaud H, Hamamah S, Amer S, Mahran M, Eissa M, Darne J, Shaw R, Lan V, Nhu G, Tuong H, Mahmoud Youssef MA, Aboulfoutouh I, Al-inany H, Van Der Veen F, Van Wely M, Zhang Q, Fang T, Wu S, Zhang L, Wang B, Li X, Yan G, Sun H, Hu Y, He Q, Ding L, Day A, Wang B, Yan G, Hu Y, Sun H, Zhang L, Fang T, Zhang Q, Wu S, Yan G, Sun H, Hu Y, Fulford B, Boivin J, Alanbay I, Ercan CM, Sakinci M, Coksuer H, Ozturk M, Tapan S, Chung CK, Chung Y, Seo S, Aksoy S, Yakin K, Caliskan S, Salar Z, Ata B, Urman B, Devroey P, Pellicer A, Nyboe Andersen A, Arce JC, Harrison K, Irving J, Osborn J, Harrison M, Fusi F, Arnoldi M, Cappato M, Galbignani E, Galimberti A, Zanga L, Frigerio L, Taghavi SA, Ashrafi M, Karimian L, Mehdizadeh M, Joghataie M, Aflatoonian R, Xu B, Cui YG, Gao LL, Diao FY, Li M, Liu XQ, Liu JY, Jiang F, Li M, Cui YG, Diao FY, Liu JY, Jee BC, Yi G, Kim JY, Suh CS, Kim SH, Liu S, Cui YG, Liu JY, Cai LB, Liu JJ, Ma X, Geenen E, Bots RSGM, Smeenk JMJ, Chang E, Lee W, Seok H, Kim Y, Han J, Yoon T, Lazaros L, Xita N, Zikopoulos K, Makrydimas G, Kaponis A, Sofikitis N, Stefos T, Hatzi E, Georgiou I, Atilgan R, Kumbak B, Sahin L, Ozkan ZS, Simsek M, Sapmaz E, Karacan M, Alwaeely FA, Cebi Z, Berberoglugil M, Ulug M, Camlibel T, Kavrut M, Kahraman S, Ersahin A, Acet M, Yelke H, Kamalak Z, Carlioglu A, Akdeniz D, Uysal S, Inegol Gumus I, Ozturk Turhan N, Regan S, Yovich J, Stanger J, Almahbobi G, Kara M, Aydin T, Turktekin N, Youssef M, Aboulfoutouh I, Al-Inany H, van der Veen F, van Wely M, Hart R, Doherty D, Frederiksen H, Keelan J, Pennell C, Newnham J, Skakkebaek N, Main K, Salem HT, Ismail AA, Viola M, Siebert TI, Steyn DW, Kruger TF, Robin G, Dewailly D, Thomas P, Leroy M, Lefebvre C, soudan B, Pigny P, Decanter C, ElPrince M, Wang F, Zhu Y, Huang H, Valdez Morales F, Vital Reyes V, Mendoza Rodriguez A, Gamboa Dominguez A, Cerbon M, Aizpurua J, Ramos B, Luehr B, Moragues I, Rogel S, Cil AP, Guler ZB, Kisa U, Albu A, Radian S, Grigorescu F, Albu D, Fica S, Al Boghdady L, Ghanem ME, Hassan M, Helal AS, Ozdogan S, Ozdegirmenci O, Dilbaz S, Demir B, Cinar O, Dilbaz B, Goktolga U, Seeber B, Tsybulyak I, Bottcher B, Grubinger T, Czech T, Wildt L, Wojcik J, Howles CM, Destenaves B, Arriagada P, Tavmergen E, Sahin G, Akdogan A, Levi R, Goker ENT, Thuesen LL, Loft A, Smitz J, Nyboe Andersen A, Ricciardi L, Di Florio C, Busacca M, Gagliano D, Immediata V, Selvaggi L, Romualdi D, Guido M, Bouhanna P, Salama S, Kamoud Z, Torre A, Paillusson B, Fuchs F, Bailly M, Wainer R, Tagliaferri V, Busacca M, Gagliano D, Di Florio C, Tartaglia C, Cirella E, Romualdi D, Guido M, Aflatoonian A, Eftekhar M, Mohammadian F, Yousefnejad F, De Cicco S, Gagliano D, Busacca M, Di Florio C, Immediata V, Campagna G, Romualdi D, Guido M, Depalo R, Lippolis C, Vacca M, Nardelli C, Selvaggi L, Cavallini A, Panic T, Mitulovic G, Franz M, Sator K, Tschugguel W, Pietrowski D, Hildebrandt T, Cupisti S, Giltay EJ, Gooren LJ, Oppelt PG, Hackl J, Reissmann C, Schulze C, Heusinger K, Attig M, Hoffmann I, Beckmann MW, Dittrich R, Mueller A, Sharma S, Singh S, Chakravarty A, Sarkar A, Rajani S, Chakravarty BN, Dilbaz S, Ozturk E, Ozdegirmenci O, Demir B, Isikoglu S, Kul S, Dilbaz B, Cinar O, Goktolga U, Eftekhar M, Aflatoonian A, Mohammadian F, Broekmans F, Hillensjo T, Witjes H, Elbers J, Mannaerts B, Gordon K, Krasnopolskaya K, Galaktionova A, Gorskaya O, Kabanova D, Venturella R, Morelli M, Mocciaro R, Capasso S, Cappiello F, Zullo F, Monterde M, Gomez R, Marzal A, Vega O, Rubio-Rubio JM, Diaz-Garcia C, Pellicer A, Gordon K, Kolibianakis E, Griesinger G, Yding Andersen C, Witjes H, Mannaerts B, Ocal P, Guralp O, Aydogan B, Irez T, Cetin M, Senol H, Erol N, Yding Andersen C, Kolibianakis E, Devroey P, Witjes H, Mannaerts B, Gordon K, Griesinger G, Rombauts L, Van Kuijk J, Mannaerts B, Montagut J, Nogueira D, Porcu G, Chomier M, Giorgetti C, Nicollet B, Degoy J, Lehert P, Alviggi C, De Rosa P, Vallone R, Picarelli S, Coppola M, Conforti A, Strina I, Di Carlo C, De Placido G, Hackl J, Cupisti S, Haeberle L, Schulze C, Hildebrandt T, Oppelt PG, Reissmann C, Heusinger K, Attig M, Hoffmann I, Dittrich R, Beckmann MW, Mueller A, Akdogan A, Demirtas O, Sahin G, Tavmergen E, Goker ENT, Fatemi H, Shapiro BS, Griesinger G, Witjes H, Gordon K, Mannaerts BM, Chimote MN, Mehta BN, Chimote NN, Nath NM, Chimote NM, Karia S, Bonifacio M, Bowman M, McArthur S, Jung J, Cho S, Choi Y, Lee B, Seo S, Lee KH, Kim CH, Kwon SK, Kim SH, Kang BM, Jung KS, Basios G, Trakakis E, Hatziagelaki E, Vaggopoulos V, Tsiavou A, Panagopoulos P, Chrelias C, Kassanos D, Sarhan A, Elsamanoudy A, Harira M, Dogan S, Bozdag G, Esinler I, Polat M, Yarali H. REPRODUCTIVE ENDOCRINOLOGY. Hum Reprod 2012. [DOI: 10.1093/humrep/27.s2.88] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Barrot C, Sánchez C, Jiménez S, Ortega M, Huguet E, Gené M. The Forensic Genetics Laboratory of the University of Barcelona: The evolution of paternity testing cases over the past 35 years. Forensic Science International: Genetics Supplement Series 2011. [DOI: 10.1016/j.fsigss.2011.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Barrot C, Jiménez S, Sánchez C, Bañón E, Ortega M, Huguet E, Gené M. Genetic characterization of six SNPs in Catalonian population. Forensic Science International: Genetics Supplement Series 2011. [DOI: 10.1016/j.fsigss.2011.09.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Agudo D, López C, Alonso M, Huguet E, Bronet F, Requena A. Genomic expression profile comparison from cumulus cells deriving from HMG, rhFSH and uhFSH. Fertil Steril 2011. [DOI: 10.1016/j.fertnstert.2011.07.988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Huguet E, Duberstein K. Effects of Steel and Aluminum Shoes on Forelimb Kinematics in Stock Horses. J Equine Vet Sci 2011. [DOI: 10.1016/j.jevs.2011.03.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Galliano A, Saint Olive Baque C, Marty G, Nedelec B, Gauchet L, Littaye P, Gu W, Huguet E, Querleux B, Silberzan I, Kravtchenko S, Kempf JY. Resistance of human hair cuticle after a shaking process in wet conditions: comparison between Chinese and Caucasian hair. Int J Cosmet Sci 2010; 32:356-68. [DOI: 10.1111/j.1468-2494.2009.00563.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Agudo Garcillán D, Alonso M, Huguet E, López Feijoo C, Pareja S, Losada C, Bou C, Pellicer A, Herrero L. PP-10 USE OF VITRIFIED DONOR OOCYTES. OUR EXPERIENCE IN IVI MADRID. Reprod Biomed Online 2010. [DOI: 10.1016/s1472-6483(10)62394-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Rosich-Medina A, Liau S, Jah A, Huguet E, See T, Jamieson N, Praseedom R. Cutaneous metastases from cholangiocarcinoma following percutaneous transhepatic biliary drainage: Case report and literature review. Int J Surg Case Rep 2010. [PMCID: PMC6099555 DOI: 10.1016/j.ijscr.2010.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Percutaneous transhepatic biliary drainage (PTBD) is commonly used in the management of cholangiocarcioma. Major and minor complications of PTBD such as cholangitis, haemorrhage and catheter dislocation are well documented. A lesser reported complication are cutaneous metastases following PTBD for cholangiocarcinoma. We report a case of a 79 year old man who presented with right upper quadrant pain, jaundice and weight loss, with dilated intra-hepatic bile ducts on imaging. The cytology results from a sample taken during endoscopic retrograde cholangiopancreatography were highly suspicious of cholangiocarcioma. A PTBD was subsequently performed and bilateral metal biliary stents were placed without external drainage. Five months after the PTBD he was found to have a hard nodule under the PTBD puncture site. The nodule was excised and the histology confirmed a cholangiocarcinoma metastasis. A review of the literature identified twelve cases of cutaneous metastases from cholangiocarcinoma, following PTBD. In addition, tumour seeding along the catheter tract following PTBD, with metastatic deposits on the abdominal wall, peritoneoum, chest wall, pleural space, and liver parenchyma have also been reported. Health care professionals should be aware of this rare complication and offer appropriate management options to patients.
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Abstract
Solid organ transplant recipients are at risk of infection from cytomegalovirus (CMV). A wide range of disease is associated with CMV infection and we report two cases of CMV cholecystitis in patients following renal transplantation. Both patients presented with severe hemorrhagic cholecystitis, which required immediate resuscitation and emergency cholecystectomy. The diagnosis of CMV infection was confirmed in both cases using CMV-specific staining of the gallbladder. The diagnosis of CMV cholecystitis must be considered in all patients with upper abdominal pain after renal transplantation.
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Affiliation(s)
- M Drage
- Department of Surgery, University of Cambridge, Addenbrooke's Hospital, Cambridge, United Kingdom.
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Bezier A, Annaheim M, Herbiniere J, Wetterwald C, Gyapay G, Bernard-Samain S, Wincker P, Roditi I, Heller M, Belghazi M, Pfister-Wilhem R, Periquet G, Dupuy C, Huguet E, Volkoff AN, Lanzrein B, Drezen JM. Polydnaviruses of Braconid Wasps Derive from an Ancestral Nudivirus. Science 2009; 323:926-30. [DOI: 10.1126/science.1166788] [Citation(s) in RCA: 225] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Sánchez C, Barrot C, Xifró A, Ortega M, de Aranda IG, Huguet E, Corbella J, Gené M. Haplotype frequencies of 16 Y-chromosome STR loci in the Barcelona metropolitan area population using Y-Filer™ kit. Forensic Sci Int 2007; 172:211-7. [PMID: 17320328 DOI: 10.1016/j.forsciint.2007.01.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2006] [Revised: 01/11/2007] [Accepted: 01/13/2007] [Indexed: 11/25/2022]
Abstract
Haplotype frequencies for 16 Y-chromosomal short tandem repeat (STR) loci, included in the Y-Filer kit, were determined in 247 unrelated healthy individuals from the Barcelona metropolitan area (Catalonia, NE Spain). After PCR amplification and denaturing PAGE electrophoresis, DYS456, DYS389I, DYS390, DYS389II, DYS458, DYS19, DYS385a/b, DYS393, DYS391, DYS439, DYS635, DYS392, Y GATA H4.1, DYS437, DYS438 and DYS448 loci were typed. The aim of this study is to evaluate the performance in our population of the 16 loci of the Y-chromosome present in the new Y-Filer commercial identification kit, and acquire haplotype frequencies for mathematic processing of the forensic diagnosis in our geographical working area. In this sample, all haplotypes were unique. From the forensic point of view, the combined polymorphisms of the Y-Filer kit provide a high diagnostic efficiency.
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Affiliation(s)
- C Sánchez
- Legal Medicine Department, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
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Barrot C, Sánchez C, Xifró A, Ortega M, Mas J, Huguet E, Corbella J, Gené M. Data for Y-chromosome haplotypes in Fang and Bubi populations from Bioko (Equatorial Guinea). Forensic Sci Int 2007; 168:e10-2. [PMID: 17321706 DOI: 10.1016/j.forsciint.2007.01.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2006] [Revised: 01/09/2007] [Accepted: 01/13/2007] [Indexed: 11/24/2022]
Abstract
Haplotype frequencies for 16 Y-chromosomal short tandem repeat (DYS456, DYS389I, DYS390, DYS389II, DYS458, DYS19, DYS385a/b, DYS393, DYS391, DYS439, DYS635, DYS392, Y GATA H4, DYS437, DYS438 and DYS448) loci, included in the AmpFLSTR Yfiler PCR Amplification Kit, were analysed in 110 Fang and 133 Bubi individuals from Bioko Island, Equatorial Guinea. The diversity was higher in Fang population, probably since they were originally from the mainland, with which they maintain tribal village and family links, and to which they travel frequently. Comparisons were made with previously published haplotype data on European and African populations, and significant differences were found between them.
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Affiliation(s)
- C Barrot
- Legal Medicine Department, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
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21
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Hanif F, Sivaprakasam R, Butler A, Huguet E, Pettigrew GJ, Michael EDA, Praseedom RK, Jamieson NV, Bradley JA, Gibbs P. Information about liver transplantation on the World Wide Web. ACTA ACUST UNITED AC 2007; 31:153-60. [PMID: 16954053 DOI: 10.1080/14639230500376044] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Orthotopic liver transplant (OLTx) has evolved to a successful surgical management for end-stage liver diseases. Awareness and information about OLTx is an important tool in assisting OLTx recipients and people supporting them, including non-transplant clinicians. The study aimed to investigate the nature and quality of liver transplant-related patient information on the World Wide Web. Four common search engines were used to explore the Internet by using the key words 'Liver transplant'. The URL (unique resource locator) of the top 50 returns was chosen as it was judged unlikely that the average user would search beyond the first 50 sites returned by a given search. Each Web site was assessed on the following categories: origin, language, accessibility and extent of the information. A weighted Information Score (IS) was created to assess the quality of clinical and educational value of each Web site and was scored independently by three transplant clinicians. The Internet search performed with the aid of the four search engines yielded a total of 2,255,244 Web sites. Of the 200 possible sites, only 58 Web sites were assessed because of repetition of the same Web sites and non-accessible links. The overall median weighted IS was 22 (IQR 1 - 42). Of the 58 Web sites analysed, 45 (77%) belonged to USA, six (10%) were European, and seven (12%) were from the rest of the world. The median weighted IS of publications originating from Europe and USA was 40 (IQR = 22 - 60) and 23 (IQR = 6 - 38), respectively. Although European Web sites produced a higher weighted IS [40 (IQR = 22 - 60)] as compared with the USA publications [23 (IQR = 6 - 38)], this was not statistically significant (p = 0.07). Web sites belonging to the academic institutions and the professional organizations scored significantly higher with a median weighted IS of 28 (IQR = 16 - 44) and 24(12 - 35), respectively, as compared with the commercial Web sites (median = 6 with IQR of 0 - 14, p = .001). There was an Intraclass Correlation Coefficient (ICC) of 0.89 and an associated 95% CI (0.83, 0.93) for the three observers on the 58 Web sites. The study highlights the need for a significant improvement in the information available on the World Wide Web about OLTx. It concludes that the educational material currently available on the World Wide Web about liver transplant is of poor quality and requires rigorous input from health care professionals. The authors suggest that clinicians should pay more attention to take the necessary steps to improve the standard of information available on their relevant Web sites and must take an active role in helping their patients find Web sites that provide the best and accurate information specifically applicable to the loco-regional circumstances.
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Affiliation(s)
- F Hanif
- University Department of Surgery, Addenbrooke's Hospital, Cambridge, UK
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22
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Dupuy C, Huguet E, Cattolico L, Drezen JM. [Understanding the evolution of polydnaviruses]. Virologie (Montrouge) 2006; 10:109-118. [PMID: 34679268 DOI: 10.1684/vir.2011.4240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Described in thousands of parasitoid wasp species polydnaviruses (PDVs) are unique viruses having both a segmented DNA genome in viral particles and an integrated form that persists as a provirus in the wasp genome. Parasitoid wasps inject their eggs in another insect host and along with them, the virus particles that are essential to ensure parasitism success. Two phylogenetically unrelated genera of polydnaviruses exist, the bracoviruses (BVs) and the ichnoviruses (IVs) associated with braconid and ichneumonid wasps respectively. New data on the genomes of two bracoviruses (Microplitis demolitor BV and Cotesia congregata BV) and an ichnovirus associated with Campoletis sonorensis (CsIV) offers us new elements to discuss the central questions concerning the origin and the evolution of these viral entities. The results indicate that the tens of millions of years of mutualistic associations between PDVs and wasps has had a strong impact on PDV genomes that now ressemble an eukaryotic region.
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Affiliation(s)
- C Dupuy
- Institut de recherche sur la biologie de l'insecte, UMR CNRS 6035, Université F. Rabelais, Parc Grandmont, 37200 Tours
| | - E Huguet
- Institut de recherche sur la biologie de l'insecte, UMR CNRS 6035, Université F. Rabelais, Parc Grandmont, 37200 Tours
| | - L Cattolico
- Génoscope, Centre national de séquençage, 2, rue Gaston-Crémieux, CP 5706, 91057 Evry
| | - J-M Drezen
- Institut de recherche sur la biologie de l'insecte, UMR CNRS 6035, Université F. Rabelais, Parc Grandmont, 37200 Tours
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Drezen JM, Bézier A, Lesobre J, Huguet E, Cattolico L, Periquet G, Dupuy C. The few virus-like genes of Cotesia congregata bracovirus. Arch Insect Biochem Physiol 2006; 61:110-22. [PMID: 16482582 DOI: 10.1002/arch.20108] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The origin of the symbiotic association between parasitoid wasps and bracoviruses is still unknown. From phylogenetic analyses, bracovirus-associated wasp species constitute a monophyletic group, the microgastroid complex. Thus all wasp-bracovirus associations could have originated from the integration of an ancestral virus in the genome of the ancestor of the microgastroids. In an effort to identify a set of virus genes that would give clues on the nature of the ancestral virus, we have recently performed the complete sequencing of the genome of CcBV, the bracovirus of the wasp Cotesia congregata. We describe here the putative proteins encoded by CcBV genome having significant similarities with sequences from known viruses and mobile elements. The analysis of CcBV gene content does not lend support to the hypothesis that bracoviruses originated from a baculovirus. Moreover, no consistent homology was found between CcBV genes and any set of genes constituting the core genome of a known free-living virus. We discuss the significance of the scarce homology found between proteins from CcBV and other viruses or mobile elements.
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Affiliation(s)
- J-M Drezen
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035, Université F. Rabelais, Tours, France.
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Gorostiza A, González-Martín A, Ramírez CL, Sánchez C, Barrot C, Ortega M, Huguet E, Corbella J, Gené M. Allele frequencies of the 15 AmpF/Str Identifiler loci in the population of Metztitlán (Estado de Hidalgo), México. Forensic Sci Int 2006; 166:230-2. [PMID: 16436322 DOI: 10.1016/j.forsciint.2005.12.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2005] [Revised: 12/01/2005] [Accepted: 12/05/2005] [Indexed: 10/25/2022]
Abstract
The 15 AmpF/STR Identifiler loci (D8S1179, D21S11, D7S820, CSF1PO, D3S1358, TH01, D13S317, D16S539, D2S1338, D19S433, vWA, TPOX, D18S51, D5S818 and FGA) were analyzed in the sample of 180 unrelated autochthonous healthy adults born in Meztitlán City from the valley of Metztitlán (Estado de Hidalgo, México). The agreement with Hardy-Weinberg equilibrium was confirmed for all loci. From the forensic point of view, the heterozygosity value, power of discrimination and the a priori chance of exclusion were calculated.
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Affiliation(s)
- A Gorostiza
- Laboratorio de Genética Molecular, Escuela Nacional de Antropología e Historia, México Distrito Federal, Mexico
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27
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Wells AC, Fernando B, Butler A, Huguet E, Bradley JA, Pettigrew GJ. Selective use of ultrasonographic vascular mapping in the assessment of patients before haemodialysis access surgery. Br J Surg 2005; 92:1439-43. [PMID: 16187267 DOI: 10.1002/bjs.5151] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
Background
Use of routine preoperative ultrasonography to determine the optimum site for haemodialysis access surgery increases the number of distal arteriovenous fistulas formed and improves overall patency rates. Nevertheless its use in all patients is time consuming and costly. This study examined whether clinical parameters could be used to determine the requirement for preoperative ultrasonography.
Methods
Between March 2002 and October 2003, 145 consecutive patients were reviewed in the vascular access clinic. Patients were first assessed clinically, a site for vascular access surgery was proposed, and the need for radiological mapping studies recorded. A second, blinded, clinician determined the site for vascular access surgery using ultrasonography. The correlation between clinical and ultrasonographic findings was then examined.
Results
Ultrasonography was considered unnecessary using clinical criteria in 106 patients. Subsequent ultrasonographic mapping altered the management of only one patient. In contrast, the management of 18 of the 39 patients in whom ultrasonography was thought necessary was influenced by radiological imaging. A 1-year primary patency rate of 77·0 per cent was achieved following vascular access surgery on the study population.
Conclusion
Clinical parameters could be used to determine the need for preoperative vascular ultrasonographic mapping; imaging was not required in the majority of patients.
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Affiliation(s)
- A C Wells
- University Department of Surgery, Addenbrooke's Hospital, Box 202, Hills Road, Cambridge CB2 2QQ, UK
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28
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Espagne E, Douris V, Lalmanach G, Provost B, Cattolico L, Lesobre J, Kurata S, Iatrou K, Drezen JM, Huguet E. A virus essential for insect host-parasite interactions encodes cystatins. J Virol 2005; 79:9765-76. [PMID: 16014938 PMCID: PMC1181612 DOI: 10.1128/jvi.79.15.9765-9776.2005] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Cotesia congregata is a parasitoid wasp that injects its eggs in the host caterpillar Manduca sexta. In this host-parasite interaction, successful parasitism is ensured by a third partner: a bracovirus. The relationship between parasitic wasps and bracoviruses constitutes one of the few known mutualisms between viruses and eukaryotes. The C. congregata bracovirus (CcBV) is injected at the same time as the wasp eggs in the host hemolymph. Expression of viral genes alters the caterpillar's immune defense responses and developmental program, resulting in the creation of a favorable environment for the survival and emergence of adult parasitoid wasps. Here, we describe the characterization of a CcBV multigene family which is highly expressed during parasitism and which encodes three proteins with homology to members of the cystatin superfamily. Cystatins are tightly binding, reversible inhibitors of cysteine proteases. Other cysteine protease inhibitors have been described for lepidopteran viruses; however, this is the first description of the presence of cystatins in a viral genome. The expression and purification of a recombinant form of one of the CcBV cystatins, cystatin 1, revealed that this viral cystatin is functional having potent inhibitory activity towards the cysteine proteases papain, human cathepsins L and B and Sarcophaga cathepsin B in assays in vitro. CcBV cystatins are, therefore, likely to play a role in host caterpillar physiological deregulation by inhibiting host target proteases in the course of the host-parasite interaction.
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Affiliation(s)
- E Espagne
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035, Faculté des Sciences et Techniques, Parc de Grandmont, Tours
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29
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Labrosse C, Stasiak K, Lesobre J, Grangeia A, Huguet E, Drezen JM, Poirie M. A RhoGAP protein as a main immune suppressive factor in the Leptopilina boulardi (Hymenoptera, Figitidae)-Drosophila melanogaster interaction. Insect Biochem Mol Biol 2005; 35:93-103. [PMID: 15681220 DOI: 10.1016/j.ibmb.2004.10.004] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2004] [Accepted: 10/18/2004] [Indexed: 05/24/2023]
Abstract
To protect its eggs, the endoparasitoid wasp Leptopilina boulardi injects immune suppressive factors into Drosophila melanogaster host larvae. These factors are localized in the female long gland and reservoir. We analyzed the protein content of these tissues and found that it strongly differed between virulent and avirulent parasitoid strains. Four protein bands present in virulent long glands were eluted and their immune suppressive effect was assessed in vivo, allowing demonstrating a major effect of one of these proteins. The corresponding cDNA encodes a predicted 30 kDa subunit containing a Ras homologous GTPase Activating Protein (RhoGAP) domain, suggesting a possible involvement in the regulation of actin cytoskeleton changes. Using Western-blot experiments, we showed that this protein is abundant in virulent female long glands but is undetectable in virulent females deprived of long glands or in long glands from avirulent wasps. Its potential role in modifying the morphology and the adhesive properties of the host lamellocytes, involved in Drosophila cellular immune responses, is discussed.
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Affiliation(s)
- C Labrosse
- Institut de Recherche sur la Biologie de l'Insecte UPRESA CNRS 6035, IFR Agents transmissibles et Infectiologie, Université F. Rabelais, Parc Grandmont, 37200 Tours France
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30
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Calzada P, Suárez I, García S, Barrot C, Sánchez C, Ortega M, Mas J, Huguet E, Corbella J, Gené M. The Fang population of Equatorial Guinea characterised by 15 STR-PCR polymorphisms. Int J Legal Med 2004; 119:107-10. [PMID: 15565295 DOI: 10.1007/s00414-004-0505-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2004] [Accepted: 10/14/2004] [Indexed: 11/25/2022]
Abstract
Allele frequencies for 15 STR loci (D8S1179, D21S11, D7S820, CSF1PO, D19S433, HUMVWA31A, HUMTPOX, D18S51, D3S1358, HUMTHO1, D13S317, D16S539, D2S1338, D5S818 and HUMFGA) were analysed in the Fang population of Bioko Island, Equatorial Guinea. No deviation from Hardy-Weinberg equilibrium was found for all loci. Statistical parameters demonstrated the forensic utility of the analysed systems.
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Affiliation(s)
- P Calzada
- University Hospital of Bellvitge, L'Hospitalet de Llobregat, Spain
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31
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Barrot C, Sánchez C, Ortega M, González-Martín A, Brand-Casadevall C, Gorostiza A, Huguet E, Corbella J, Gené M. Characterisation of three Amerindian populations from Hidalgo State (Mexico) by 15 STR-PCR polymorphisms. Int J Legal Med 2004; 119:111-5. [PMID: 15378309 DOI: 10.1007/s00414-004-0488-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2004] [Accepted: 08/13/2004] [Indexed: 10/26/2022]
Abstract
The purpose of this study is to report allele frequency data of three ethnic Amerindian population samples: the Otomi (Hna-hnu) from eastern Sierra Madre and Ixmiquilpan valley and the Huasteco from La Huasteca. These groups were characterised by 15 STR-PCR polymorphisms (HumTH01, HumvWA, D18S51, HumTPOX, D19S433, D16S539, D13S317, D8S1179, D7S820, D5S818, HumFGA, CSF1PO, D2S1338, D3S1358 and D21S11). No significant deviations in observed allelic frequencies from Hardy-Weinberg equilibrium were found for all the studied systems. From the forensic point of view, the heterozygosity value, power of discrimination and the a priori chance of exclusion were calculated.
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Affiliation(s)
- C Barrot
- Forensic Genetics Laboratory Department of Legal Medicine, Faculty of Medicine University of Barcelona, C/ Casanova 143, 08036 Barcelona, Catalonia, Spain.
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González-Martin A, Sánchez C, Barrot C, Ortega M, Brandt-Casadevall C, Gorostiza A, Huguet E, Corbella J, Gené M. Huastecos Amerindian population (Mexico) characterised by 12 STR-PCR polymorphisms. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/s0531-5131(03)01497-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Drezen JM, Provost B, Espagne E, Cattolico L, Dupuy C, Poirié M, Periquet G, Huguet E. Polydnavirus genome: integrated vs. free virus. J Insect Physiol 2003; 49:407-417. [PMID: 12770620 DOI: 10.1016/s0022-1910(03)00058-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Polydnaviruses are unique because of their obligatory association with thousands of parasitoid wasp species from the braconid and ichneumonid families of hymenopterans. PDVs are injected into the parasitized hosts and are essential for parasitism success. However, polydnaviruses are also unique because of their genome composed of multiple dsDNA segments. Cytological evidence has recently confirmed the results of genetic and molecular analyses indicating that PDV segments were integrated in the wasp genome. Moreover a phylogenetic study performed using the age of available fossils to calibrate the molecular clock indicated that the polydnaviruses harboured by braconid wasps have resided within the wasp genome for approximately 70 million years. In the absence of horizontal transmission, the evolution of the PDV genomes has been driven exclusively by the reproductive success they have offered the wasps. The consequences of this particular selection pressure can be observed in the gene content of certain PDV genomes from which increasing sequence data are available. Molecular mechanisms already identified could be involved in the acquisition and loss of genes by the PDV genomes and lead us to speculate on the definition of the virus genome.
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Affiliation(s)
- J-M Drezen
- Institut de Recherche sur la Biologie de l'Insecte and Institut Fédératif de Recherche Biologie des Transposons et des Virus CNRS, Faculté des Sciences, Parc de Grandmont, 37200 Tours, France.
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Gene M, Piqué E, Borrego N, Ortega M, Xifró A, Huguet E, Moreno P, Corbella J. DYS19, DYS385, DYS389 (I and II), DYS390, DYS391, DYS392, DYS393 haplotypes in a population sample from Catalonia (north-east Spain). J Forensic Sci 2002; 47:1156-9. [PMID: 12353568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Affiliation(s)
- M Gene
- Department of Legal Medicine, Faculty of Medicine, University of Barcelona, Spain.
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Pasquier-Barre F, Dupuy C, Huguet E, Monteiro F, Moreau A, Poirié M, Drezen JM. Polydnavirus replication: the EP1 segment of the parasitoid wasp Cotesia congregata is amplified within a larger precursor molecule. J Gen Virol 2002; 83:2035-2045. [PMID: 12124468 DOI: 10.1099/0022-1317-83-8-2035] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Polydnaviruses are unique viruses: they are essential for successful parasitism by tens of thousands of species of parasitoid wasps. These viruses are obligatorily associated with the wasps and are injected into the host during oviposition. Molecular analyses have shown that each virus sequence in the segmented polydnavirus genome is present in the wasp DNA in two forms: a circular form found in the virus particles and an integrated form found in the wasp chromosomes. Recent studies performed on polydnaviruses from braconid wasps suggested that the circular forms were excised from the chromosome. The different forms of the EP1 circle of Cotesia congregata polydnavirus during the pupal-adult development of the parasitoid wasp were analysed. Unexpectedly, an off-size fragment formerly used to diagnose the integration of the EP1 sequence into wasp genomic DNA was found to be amplified in female wasps undergoing virus replication. The EP1 sequence is amplified within a larger molecule comprising at least two virus segments. The amplified molecule is different from the EP1 chromosomally integrated form and is not encapsidated into virus particles. These findings shed light on a new step towards EP1 circle production: the amplification of virus sequences preceding individual circle excision.
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Affiliation(s)
- F Pasquier-Barre
- Unité de Zoologie Forestière INRA, Avenue de la Pomme de pin, F-45166 Olivet, France2
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035 et Institut Fédératif de Recherche 'Biologie des Transposons et des Virus', Faculté des Sciences, Parc de Grandmont, F-37200 Tours, France1
| | - C Dupuy
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035 et Institut Fédératif de Recherche 'Biologie des Transposons et des Virus', Faculté des Sciences, Parc de Grandmont, F-37200 Tours, France1
| | - E Huguet
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035 et Institut Fédératif de Recherche 'Biologie des Transposons et des Virus', Faculté des Sciences, Parc de Grandmont, F-37200 Tours, France1
| | - F Monteiro
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035 et Institut Fédératif de Recherche 'Biologie des Transposons et des Virus', Faculté des Sciences, Parc de Grandmont, F-37200 Tours, France1
| | - A Moreau
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035 et Institut Fédératif de Recherche 'Biologie des Transposons et des Virus', Faculté des Sciences, Parc de Grandmont, F-37200 Tours, France1
| | - M Poirié
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035 et Institut Fédératif de Recherche 'Biologie des Transposons et des Virus', Faculté des Sciences, Parc de Grandmont, F-37200 Tours, France1
| | - J-M Drezen
- Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS 6035 et Institut Fédératif de Recherche 'Biologie des Transposons et des Virus', Faculté des Sciences, Parc de Grandmont, F-37200 Tours, France1
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Gené M, Moreno P, Borrego N, Piqué E, Brandt C, Mas J, Luna M, Corbella J, Huguet E. The Bubi population of Equatorial Guinea characterised by HUMTH01, HUMVWA31A, HUMCSF1PO, HUMTPOX, D3S1358, D8S1179, D18S51 and D19S253 STR polymorphisms. Int J Legal Med 2001; 114:298-300. [PMID: 11355417 DOI: 10.1007/s004140000184] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Allele frequencies for eight STR loci (HUMTH01, HUMVWA31A, HUMCSF1PO, HUMTPOX, D3S1358, D8S1179, D18S51, D19S253) have been analysed in the Bubi population of Bioko Island, Equatorial Guinea. For all loci, no deviation from Hardy-Weinberg equilibrium was found. Data obtained were compared with that of Caucasian and African populations. Significant differences were found for all systems between all the black populations compared and the Caucasoid population. Similarities were observed between the Bubi and Zimbabweans, and also with African American populations. Also, more affinities were observed between Zimbabweans and Ugandans and Ovambos than between these groups and the Bubi population. From these comparisons it is suggested that in Africa, as in other continents, there is a certain genetic heterogeneity.
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Affiliation(s)
- M Gené
- Forensic Genetics Laboratory, Department of Legal Medicine, Faculty of Medicine, University of Barcelona, C. Casanova 143, 08036 Barcelona, Spain
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37
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Gené M, Borrego N, Piqué E, Mazzara R, Corbella J, Huguet E, Moreno P. Allele frequency for three STR loci in a population sample from Catalonia (Spain) using a simple manual triplex PCR method. J Forensic Sci 2001; 46:417. [PMID: 11324589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
- M Gené
- Forensic Genetics Laboratory, Legal Medicine Department, School of Medicine, University of Barcelona, Barcelona, Spain
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Poirie M, Frey F, Hita M, Huguet E, Lemeunier F, Periquet G, Carton Y. Drosophila resistance genes to parasitoids: chromosomal location and linkage analysis. Proc Biol Sci 2000; 267:1417-21. [PMID: 10983825 PMCID: PMC1690685 DOI: 10.1098/rspb.2000.1158] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Insect hosts can survive infection by parasitoids using the encapsulation phenomenon. In Drosophila melanogaster the abilities to encapsulate the wasp species Leptopilina boulardi and Asobara tabida each involve one major gene. Both resistance genes have been precisely localized on the second chromosome, 35 centimorgans apart. This result clearly demonstrates the involvement of at least two separate genetic systems in Drosophila resistance to parasitoid wasps. The resistance genes to L. boulardi and A. tabida are not clustered as opposed to many plant resistance genes to pathogens cloned to date.
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Affiliation(s)
- M Poirie
- Institut de Recherche sur la Biologie de l'Insecte, UIPRESA 6035, Université F. Rabelais, Parc Grandmont, Tours, France.
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39
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Pinheiro F, Pontes L, da Costa JP, Huguet E, Moreno P, Gené M. Allelic distribution of four tetranucleotide repeat loci (D3S1358, D18S51, D19S253, and FGA) in a population from Porto (North Portugal). J Forensic Sci 2000; 45:891-2. [PMID: 10914591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Allele frequencies for four short tandem repeat loci were determined in a population sample from Porto (North Portugal), using the polymerase chain reaction (PCR), in order to investigate possible genetic differences between populations from the center and north of Portugal. After denaturing PAGE electrophoresis, nine alleles were identified for D3S1358 (n = 256), 13 alleles for D18S51 (n = 235), 10 alleles for D19S253 (n = 238), and 15 alleles for FGA (n = 181). No deviations from Hardy-Weinberg equilibrium were found. The allele frequencies observed are similar to those of the Portuguese population compared except for the D3S1358 system.
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Affiliation(s)
- F Pinheiro
- ICBAS, Medico-Legal Institute, Porto, Portugal
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Abstract
Mouse vas deferens were injected with a plasmid DNA encoding the GFP (Green Fluorescent Protein). The night after injection males were mated with normal oestrus females, and the offspring were analyzed. From 53 newborns, 4 were found positive by PCR for the GFP gene. In these positive animals, some tissues showed expression for GFP as evidenced by a strong green cytoplasmic fluorescence. GFP expression was particularly patent in the liver (hepatocytes), kidney (renal corpuscle and tubules), abdominal wall, and lung. These preliminary results indicate the possibility to use this method as a simple alternative procedure to create transgenic animals, and it could be especially helpful in species in which the microinjection procedure is not feasible.
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Affiliation(s)
- E Huguet
- Centro de Investigaciones Biológicas CSIC, Madrid, Spain
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41
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Gené M, Moreno P, Borrego N, Piqué E, Xifró A, Fuentes M, Bert F, Corella A, Pérez-Pérez A, Turbón D, Corbella J, Huguet E. Population study of Aymara Amerindians for the PCR-DNA polymorphisms HUMTH01, HUMVWA31A, D3S1358, D8S1179, D18S51, D19S253, YNZ22 and HLA-DQalpha. Int J Legal Med 2000; 113:126-8. [PMID: 10741492 DOI: 10.1007/s004140050015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Allele and genotype frequencies for eight DNA polymorphisms (HUMTH01, HUMVWA31A, D3S1358, D8S1179, D18S51, D19S253, YNZ22 and HLA-DQalpha) were determined in a population sample of Aymara Indians from Bolivia using PCR. No deviations of the observed allelic frequencies from Hardy-Weinberg equilibrium were found for all the systems studied. Significant differences in the allele frequencies were found between the Aymara and Quechua populations only for HUMVWA31A, which suggests a certain degree of genetic differentiation between the two populations.
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Affiliation(s)
- M Gené
- Forensic Genetics Laboratory, Legal Medicine Department, School of Medicine, University of Barcelona, Spain.
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Abstract
OBJECTIVE To report two cases of monozygotic twinning after IVF-blastocyst transfer. DESIGN Case report. SETTING Private practice in an assisted reproductive technology clinic. PATIENT(S) Two women treated with IVF-ET at the blastocyst stage. INTERVENTION(S) Pituitary down-regulation with luteal leuprolide acetate, ovulation induction with gonadotropins, IVF, sequential culture, blastocyst transfer, and P for luteal support. MAIN OUTCOME MEASURE(S) Levels of hCG, pelvic ultrasound examination, amniocentesis, obstetric follow-up, and cesarean section. RESULT(S) Two intrauterine monozygotic twin pregnancies occurred after IVF and blastocyst transfer. One of them was complicated by fetus-to-fetus transfusion syndrome and was delivered preterm by cesarean section; the other woman had a normal pregnancy and vaginal delivery. CONCLUSION(S) Monozygotic multiple gestations may be increased in IVF blastocyst transfers. The potential obstetric complications of this type of pregnancy should be discussed with patients.
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Affiliation(s)
- B Peramo
- Clínica de Reproducción Asistida FIV-Madrid and Instituto de Bioquímica, CSIC, Madrid, Spain
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Gené M, Borrego N, Xifró A, Piqué E, Moreno P, Huguet E. Haplotype frequencies of eight Y-chromosome STR loci in Barcelona (North-East Spain). Int J Legal Med 1999; 112:403-5. [PMID: 10550606 DOI: 10.1007/s004140050025] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Haplotype frequencies for eight Y-chromosomal short tandem repeat (STR) loci were determined in paragraph signa population sample from Barcelona (NE Spain). After PCR amplification and denaturing PAGE electrophoresis, DYS19, DYS388, DYS389 I/II, DYS390, DYS391, DYS392 and DYS393 loci were typed. Complete eight paragraph signY-chromosomal STRs haplotypes could be formed for 223 subjects, among which 137 different haplotypes were observed. The most common haplotype was shared by 13% of the sample, while 108 haplotypes were unique. The discrimination capacity was 61.5% and the gene diversity was 0.978. From the forensic point of view the combined polymorphisms provide a high diagnostic efficiency.
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Affiliation(s)
- M Gené
- Forensic Genetics Laboratory, Department of Legal Medicine, Faculty of Medicine, University of Barcelona, C. Casanova 143, E-08036 Barcelona, Spain.
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Gené M, Piqué E, Borrego N, Carracedo A, Huguet E, Moreno P. Catalonian population study of the tetranucleotide repeat loci D3S1358, D8S1179, D18S51 and D19S253. Int J Legal Med 1999; 112:75-7. [PMID: 9932750 DOI: 10.1007/s004140050205] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Allele frequencies for four short tandem repeat loci were determined in a population sample from Catalonia (NE Spain). After denaturing PAGE electrophoresis, 8 alleles were identified for D3S1358 (n=201), 10 alleles for D8S1179 (n=198), 13 alleles for D18S51 (n=197) and 11 alleles for D19S253 (n=201). No deviation from Hardy-Weinberg equilibrium was found. Complete and relative uniformity in Caucasoid populations has been observed for D18S51 and D8S1179 respectively. Pronounced differences were found between different ethnic groups for both systems. Catalonia and Portugal do not differ for D3S1358 locus. Multiplex PCR amplifications of three loci (D3S1358, D18S51 and D19S253) without overlapping fragment size ranges could be interesting for monochrome automated laser fluorescence devices.
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Affiliation(s)
- M Gené
- Department of Legal Medicine, Faculty of Medicine, University of Barcelona, Spain.
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Abstract
The uptake of exogenous DNA by mouse and rat spermatozoa was analyzed using in vitro and in vivo methods. Two DNA constructs were used, one containing the Growth hormone (GH) gene and the other the c-myc oncogene linked to the alphaA-crystallin promoter (CPV-1 plasmid). For the in vitro approach, washed epididymal spermatozoa were incubated for 2 hr in the presence of linearized DNA. For in vivo experiments, DNA was injected into the proximal region of the vas deferens, and spermatozoa were recovered 6 hr later. In situ hybridization employing fluorescent markers and electron microscopy were used to localize the exogenous genes in spermatozoa. The precise localization of the foreign DNA in spermatozoa was visualized by tridimensional reconstructions using a confocal laser microscopy. Uptake of exogenous DNA occurred in 60-70% of the spermatozoa after in vitro or in vivo treatments. A positive signal was detected in the sperm nucleus and was not affected by DNase treatments. Incorporation of exogenous DNA was also evaluated by slot blot and PCR techniques using the DNA isolated from the sperm nuclei and the corresponding labelled probes. Comparison of a nucleotide sequence between the DNA isolated from in vivo treated spermatozoa and CPV-1 plasmid showed a 98.6% identity. These results show the in vivo capacity of spermatozoa to incorporate exogenous DNA, the ability of this DNA to reach the nucleus, and also demonstrate that epididymal and vas deferens secretions do not block these capacities.
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Affiliation(s)
- E Huguet
- Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
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Huguet E, Hahn K, Wengelnik K, Bonas U. hpaA mutants of Xanthomonas campestris pv. vesicatoria are affected in pathogenicity but retain the ability to induce host-specific hypersensitive reaction. Mol Microbiol 1998; 29:1379-90. [PMID: 9781876 DOI: 10.1046/j.1365-2958.1998.01019.x] [Citation(s) in RCA: 108] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Xanthomonas campestris pv. vesicatoria is the causal agent of bacterial spot disease on pepper and tomato plants. We reported previously that the main hrp (hypersensitive reaction and pathogenicity) gene cluster in X. c. pv. vesicatoria contains six transcription units, designated hrpA to hrpF. We present here the sequence of the hrpD operon and an analysis of non-polar mutants in each of the six genes. Three genes, hrcQ, hrcR and hrcS, are predicted to encode conserved components of type III protein secretion systems in plant and mammalian pathogenic bacteria. For hrpD5 and hrpD6, homologues have only been found in Ralstonia solanacearum. Interestingly, the hrpD operon contains one gene, hpaA (for hrp-associated), which is specifically required for disease development. hpaA mutants are affected in pathogenicity, but retain in part the ability to induce avirulence gene-mediated, host-specific hypersensitive reaction (HR). In addition, HpaA was found to contain two functional nuclear localization signals, which are important for the interaction with the plant. We propose that HpaA is an effector protein that may be translocated into the host cell via the Hrp secretion pathway.
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Affiliation(s)
- E Huguet
- Institut des Sciences Végétales, Centre National de la Recherche Scientifique, Gif-sur-Yvette, France
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47
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Gené M, Fuentes M, Huguet E, Piqué E, Bert F, Corella A, Pérez-Pérez A, Corbella J, Moreno P. Quechua Amerindian population characterized by HLA-DQ alpha, YNZ22, 3'APO B, HUMTH01, and HUMVWA31A polymorphisms. J Forensic Sci 1998; 43:403-5. [PMID: 9544552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Allele and genotype frequencies of DNA polymorphisms were determined in a population sample of Quechua (n = 113) using the polymerase chain reaction (PCR). We report data on the frequencies of HLA-DQ alpha, YNZ22, 3'ApoB, HUMTH01 and HUMVWA31A alleles and the distribution of the different genotypes. No significant deviations between observed and expected numbers were found, thus assuming the Hardy-Weinberg equilibrium.
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Affiliation(s)
- M Gené
- Department of Legal Medicine, Faculty of Medicine, University of Barcelona, Spain
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48
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Gené M, Carracedo A, Huguet E, Pérez-Pérez A, Moreno P. Population genetics of the D12S391, CSF1P0 and TPOX loci in Catalonia (Northeast Spain). Int J Legal Med 1998; 111:52-4. [PMID: 9457542 DOI: 10.1007/s004140050113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Allele and genotype frequencies for three short tandem repeat loci were determined in a population sample from Catalonia (NE Spain). After denaturing PAGE electrophoresis, 11 alleles were identified for D12S391 (n = 167), 9 alleles for CSF1pO (n = 282) and 6 alleles for TPOX (n = 283). No deviation from Hardy-Weinberg equilibrium was found. The allele frequencies observed are similar to those of other compared European populations.
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Affiliation(s)
- M Gené
- Department of Legal Medicine, Faculty of Medicine, University of Barcelona, Spain
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49
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Gené M, Moreno P, Ezquerra M, Prat A, Huguet E, Adroer R, Oliva R. Low apolipoprotein E epsilon4 allele frequency in the population of Catalonia (Spain) determined by PCR-RFLP and Laser fluorescent sequencer. Eur J Epidemiol 1997; 13:841-3. [PMID: 9384276 DOI: 10.1023/a:1007389303525] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Specific apolipoprotein E alleles have been associated in the last few years with several diseases using appropriate controls. However, these control groups are rarely representative of the general population since they correspond either to aged or healthy control groups (and thus depleted of pathological alleles). For this reason it is difficult at present to compare population allelic frequencies in different countries. In order to provide this essential basic data representative of the general population, in this work we have determined the distribution of apolipoprotein E alleles in 226 individuals from the population of Catalonia (Spain) sampled with the main purpose of paternity testing. The allelic frequencies are: epsilon2 = 0.064, epsilon3 = 0.810 and epsilon4 = 0.126, predicting a lower incidence of Alzheimer disease and possibly also of other pathologies where this allele is a risk factor.
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Affiliation(s)
- M Gené
- Department of Legal Medicine, Faculty of Medicine, University of Barcelona, Spain
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To-Figueras J, Gené M, Gómez-Catalán J, Galán MC, Fuentes M, Ramón JM, Rodamilans M, Huguet E, Corbella J. Glutathione S-transferase M1 (GSTM1) and T1 (GSTT1) polymorphisms and lung cancer risk among Northwestern Mediterraneans. Carcinogenesis 1997; 18:1529-33. [PMID: 9276626 DOI: 10.1093/carcin/18.8.1529] [Citation(s) in RCA: 78] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Several polymorphic genes including those encoding for glutathione S-transferases (GST) have been reported to be involved in modifying lung cancer risk in smokers. The gene GSTM1 is frequently deleted in humans and a possible association between the null genotype and lung cancer risk is controversial. Another polymorphic gene of the same supergene family, GSTT1, is also involved in the detoxification of some environmental carcinogens. Both genes were genotyped in (a) a group of lung cancer patients (n = 160); (b) a group of healthy smokers (n = 120); (c) a group of blood donors from the general population (n = 192). All patients and controls were Northwestern Mediterranean Caucasians. The results show that the GSTM1 null genotype (GSTM1*0/GSTM1*0) was slightly over represented in the lung cancer patients (frequency of 58%; OR: 1.40, 95% CI: 0.74-2.61, referred to healthy smokers). The histological type most clearly modified was small cell carcinoma (frequency of 62.2%, OR: 1.91, CI: 0.78-4.69). The subdivision of the patients with one or two copies of the GSTM1 gene according to a GSTM1*A, GSTM1*B or GSTM1*A/B genotype (frequencies of 28.2%, 11.2%, 2.5% respectively) revealed no significant differences between the cases and both control groups. The frequency of the deleted GSTT1 genotype among the lung cancer patients (24%) was not significantly increased (OR: 1.08, CI: 0.57-2.05, referred to healthy smokers). The results showed that 14.4% of the patients presented homozygous deletion of both GSTT1 and GSTM1 (12.5% among healthy smokers) suggesting no potentiation between null genotypes for lung cancer risk.
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Affiliation(s)
- J To-Figueras
- Toxicology Unit, Faculty of Medicine, Hospital Clínic i Provincial de Barcelona, University of Barcelona, Catalonia, Spain
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