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Charfo M, Bouceta A, Errami A, Mokri A, Kamal K, Drighil A. [Rare case of incomplete Shone syndrome in adult man with marfanoid morphotype]. Ann Cardiol Angeiol (Paris) 2023; 72:101632. [PMID: 37639736 DOI: 10.1016/j.ancard.2023.101632] [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: 06/03/2023] [Revised: 07/02/2023] [Accepted: 07/05/2023] [Indexed: 08/31/2023]
Abstract
Shone syndrome is a rare and complex congenital heart disease. It is characterized in its complete form, by a constellation of the four potentially obstructive lesions of the left heart side. Incomplete Shone's complex includes 2 or 3 of the characteristic lesions which, include a supravalvular mitral membrane, valvular mitral stenosis (MS) by a parachute mitral valve (PMV), subaortic stenosis and aortic coarctation (Coa). We describe here, the case of a 35-year-old man, hospitalized for chronic dyspnea and in whom, the diagnosis of incomplete Shone's complex is retained by echocardiographic analysis. Observed lesions include a parachute mitral valve responsible for mild regurgitation and moderate mitral stenosis, bicuspid aortic valve, and pseudo interruption of the aorta with dilatation of the ascending aorta and a patent ductus arteriosus. This case is the 2nd on 3942 patients in Drighil congenital heart disease registry.
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Affiliation(s)
- M Charfo
- Centre hospitalier universitaire Ibn Rochd, Département de cardiologie, Casablanca, Maroc.
| | - A Bouceta
- CHU Ibn Rochd of Casablanca, Département de Cardiologie, Maroc
| | - A Errami
- CHU Ibn Rochd of Casablanca, Département de Cardiologie, Maroc
| | - A Mokri
- CHU Ibn Rochd of Casablanca, Département de Cardiologie, Maroc
| | - K Kamal
- Centre hospitalier universitaire Ibn Rochd, Département de cardiologie, Casablanca, Maroc
| | - A Drighil
- CHU Ibn Rochd, Faculté de Médecine et de Pharmacie de Casablanca, Maroc
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Abdeslam EK, Ahmed C, Kamal K, Rachid L, Keltoum B, Soufiane E, Mohamed N, Fatiha C. Physical activity level and sedentary time determinants among Moroccan hypertensive patients. Ann Cardiol Angeiol (Paris) 2023; 72:101607. [PMID: 37269806 DOI: 10.1016/j.ancard.2023.101607] [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: 04/01/2023] [Revised: 04/19/2023] [Accepted: 05/10/2023] [Indexed: 06/05/2023]
Abstract
INTRODUCTION Hypertension is closely associated with an inactive lifestyle. Physical activity and/or exercise have been shown to delay the development of hypertension. This study aimed to assess the level of physical activity and sedentary time, and its determinants among Moroccan Hypertensive patients. PATIENTS AND METHODS A cross-sectional study was conducted between March and July 2019 including 680 hypertensive patients. We administered international physical activity questionnaire in face-to-face interview to assess the level of physical activity and sedentary time. RESULTS The results showed that only 43.4% of participants met recommended physical activity levels (≥ 600 MET min/week). Adherence to physical activity recommendations was observed more in male participants (p = 0.035), in participants aged less than 40 years (p = 0.040) and those aged between 41 and 50 years (p = 0.047). The average sedentary time was 37.19 ± 18.92 hours per week. This time was significantly longer in people aged 51 and over, in married, divorced, and widowed people, and in those with low levels of physical activity. CONCLUSIONS The level of physical inactivity and the sedentary time was high. In addition, participants with a high-level sedentary lifestyle had a low level of physical activity. Educational actions should be undertaken among this group of participants to prevent the risks associated with inactivity and sedentary behavior.
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Affiliation(s)
- El Kardoudi Abdeslam
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
| | - Chetoui Ahmed
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
| | - Kaoutar Kamal
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
| | - Lotfi Rachid
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
| | - Boutahar Keltoum
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
| | - Elmoussaoui Soufiane
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco; Mohamed VI Hospital University, BP 2360 Principal, Avenue Ibn Sina, Marrakesh, Morocco.
| | - Najimi Mohamed
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
| | - Chigr Fatiha
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
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Kamal K, Young K, Ly S, Manjaly P, Xiang DH, Zhou G, Mostaghimi A, Theodosakis N. Investigating the association between gender minority identity and skin cancer prevalence: A cohort study in the United States All of Us research program. J Eur Acad Dermatol Venereol 2023; 37:e1151-e1153. [PMID: 37114382 PMCID: PMC10524765 DOI: 10.1111/jdv.19156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023]
Affiliation(s)
- K Kamal
- Harvard Medical School, Boston, Massachusetts, USA
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - K Young
- Harvard Medical School, Boston, Massachusetts, USA
| | - S Ly
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts, USA
- University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - P Manjaly
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Boston University School of Medicine, Boston, Massachusetts, USA
| | - D H Xiang
- Harvard Medical School, Boston, Massachusetts, USA
| | - G Zhou
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - A Mostaghimi
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - N Theodosakis
- Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts, USA
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Kumaraswamy MK, Chethan S, Shanthakumar KS, Kamal K. Prospective observational study of clinical outcomes in using posterior interosseous free flap for finger defects. Acta Chir Plast 2023; 65:6-12. [PMID: 37211418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Finger injuries are common in hand and plastic surgery practice. There are various options for reconstructing finger defects. Moderate sized skin defects of the fingers which need flaps are commonly covered using various abdominal flaps. These conventional workhorse flaps are thick, need two-staged procedures and require the hand to be kept in a cumbersome position. The radial artery or the ulnar artery flap need sacrifice a major vessel. To address the above, we have used the posterior interosseous artery free flap to cover finger defects. This was a prospective observational clinical study done on 15 patients admitted to a tertiary level hospital from July 2017 to July 2021. These patients had accidental industrial injuries with a loss of soft tissue on the fingers. There were finger fractures in 6 cases. These patients underwent posterior interosseous artery free flap cover. The flap size ranged from 6 × 3 cm to 10 × 4 cm. We had to cover the donor defects with skin graft in all our cases. Fourteen out of 15 flaps survived, with loss of one flap due to venous congestion. The mean two-point discrimination was 7.8 mm, with a total active motion percentage of more than 70% in 11 out of 15 cases. The posterior interosseous artery flap is a thin and pliable one stage flap, and may not need further flap thinning either, thereby establishing itself as a single stage procedure and moreover not requiring sacrifice a major vessel.
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Amar IM, Abd El-Shafi A, Kamal K. Optimal Tolerance Assignment with Automatic Feature Detection.(Dept.M). MEJ Mansoura Engineering Journal 2021; 21:33-45. [DOI: 10.21608/bfemu.2021.151524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Bansal T, Kiran S, Kamal K, Bangarwa N. Anesthetic management for lobectomy of a 2-month-old infant with bronchogenic cyst: Case report along with review of literature. Saudi J Anaesth 2017; 11:340-342. [PMID: 28757838 PMCID: PMC5516500 DOI: 10.4103/sja.sja_48_17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Bronchogenic cyst, a benign congenital cystic lesion of the lung, is a rare cause of respiratory distress in children comprising 7.5% of all mediastinal masses. A thorough preoperative evaluation is crucial to plan for definitive intra- and post-operative management. All patients should be thoroughly evaluated for the presence of compression, deviation or distortion of airways and great veins. The easiest means of providing one lung ventilation in pediatrics is to intubate the main stem bronchus of the nonoperated lung. Other options available for pediatric one lung ventilation are single lumen endobronchial tubes, micro cuff tubes, Marraro bilumen tubes, and bronchial blockers. We hereby present a case report of a 2-month-old infant posted for excision of bronchogenic cyst along with a review of literature.
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Affiliation(s)
- T Bansal
- Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma University of Health Sciences, Rohtak, Haryana, India
| | - S Kiran
- Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma University of Health Sciences, Rohtak, Haryana, India
| | - K Kamal
- Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma University of Health Sciences, Rohtak, Haryana, India
| | - N Bangarwa
- Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma University of Health Sciences, Rohtak, Haryana, India
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Affiliation(s)
- K. Kamal
- University of Health Sciences Rohtak; Haryana India
| | - T. Bansal
- University of Health Sciences Rohtak; Haryana India
| | - S. Saini
- University of Health Sciences Rohtak; Haryana India
| | - G. Vashisht
- University of Health Sciences Rohtak; Haryana India
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Abstract
In this study the predictions and probabilities of calcium carbonate scale formation and corrosion occurrence inside Gumry Field Process Facilities (GFPF) and produced water injection process units (PWTP) was carried out. This was done calculating the Langelier Saturation Index (LSI), Ryznar Stability Index (RSI), Puckorius Scaling Index (PSI). The samples results for LSI index and PSI index were compared and found that all samples under threaten of calcium carbonate scale. The samples results for RSI index and found that all samples under formation of heavy calcium carbonate scale. Special excel computer program was designed to calculate the (LSI, RSI, PSI). The scale was cleaned and removed by 10% diluted hydrochloric acid and commercial scale inhibitor.
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Affiliation(s)
| | | | | | - A. Lila
- Central Petroleum Laboratory
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Shi H, Wen J, LI Z, Elsayed M, Kamal K, LI Z, Wen J, Shi H, El Shal A, Youssef D, Caubet C, Lacroix C, Benjamin B, Bandin F, Bascands JL, Monsarrat B, Decramer S, Schanstra J, Laetitia DB, Ulinski T, Aoun B, Ozdemir K, Dincel N, Sozeri B, Mir S, Dincel N, Berdeli A, Mir S, Akyigit F, Mizerska-Wasiak M, Panczyk-Tomaszewska M, Szymanik-Grzelak H, Roszkowska-Blaim M, Jamin A, Dehoux L, Monteiro RC, Deschenes G, Bouts A, Davin JC, Dorresteijn E, Schreuder M, Lilien M, Oosterveld M, Kramer S, Gruppen M, Pintos-Morell G, Ramaswami U, Parini R, Rohrbach M, Kalkum G, Beck M, Carter M, Antwi S, Callegari J, Kotanko P, Levin NW, Rumjon A, Macdougall IC, Turner C, Booth CJ, Goldsmith D, Sinha MD, Camilla R, Camilla R, Loiacono E, Donadio ME, Conrieri M, Bianciotto M, Bosetti FM, Peruzzi L, Conti G, Bitto A, Amore A, Coppo R, Mizerska-Wasiak M, Roszkowska-Blaim M, Maldyk J, Chou HH, Chiou YY, Bochniewska V, Jobs K, Jung A, Fallahzadeh Abarghooei MH, Zare J, Sedighi Goorabi V, Derakhshan A, Basiratnia M, Fallahzadeh Abarghooei MA, Hosseini Al-Hashemi G, Fallahzadeh Abarghooei F, Kluska-Jozwiak A, Soltysiak J, Lipkowska K, Silska M, Fichna P, Skowronska B, Stankiewicz W, Ostalska-Nowicka D, Zachwieja J, Girisgen L, Sonmez F, Yenisey C, Kis E, Cseprekal O, Kerti A, Szabo A, Salvi P, Benetos A, Tulassay T, Reusz G, Makulska I, Szczepanska M, Drozdz D, Zwolnska D, Sozeri B, Berdeli A, Mir S, Tolstova E, Anis L, Ulinski T, Alber B, Edouard B, Gerard C, Seni K, Dunia Julienne Hadiza T, Christian S, Benoit T, Francois B, Adama L, Rosenberg A, Munro J, Murray K, Wainstein B, Ziegler J, Singh-Grewal D, Boros C, Adib N, Elliot E, Fahy R, Mackie F, Kainer G, Polak-Jonkisz D, Zwolinska D, Laszki-Szczachor K, Zwolinska D, Janocha A, Rusiecki L, Sobieszczanska M, Garzotto F, Ricci Z, Clementi A, Cena R, Kim JC, Zanella M, Ronco C, Polak-Jonkisz D, Zwolinska D, Purzyc L, Zwolinska D, Makulska I, Szczepanska M, Peco-Antic A, Kotur-Stevuljevic J, Paripovic D, Scekic G, Milosevski-Lomic G, Bogicevic D, Spasojevic-Dimitrijeva B, Hassan R, El-Husseini A, Sobh M, Ghoneim M, Harambat J, Bonthuis M, Van Stralen KJ, Ariceta G, Battelino N, Jahnukainen T, Sandes AR, Combe C, Jager KJ, Verrina E, Schaefer F, Espindola R, Bacchetta J, Cochat P, Stefanis C, Leroy S, Leroy S, Fernandez-Lopez A, Nikfar R, Romanello C, Bouissou F, Gervaix A, Gurgoze M, Bressan S, Smolkin V, Tuerlinkx D, Stefanidis C, Vaos G, Leblond P, Gungor F, Gendrel D, Chalumeau M, Rumjon A, Macdougall IC, Turner C, Rawlins D, Booth CJ, Simpson JM, Sinha MD, Arnaud G, Arnaud G, Anne M, Stephanie T, Flavio B, Veronique FB, Stephane D, Mumford L, Marks S, Ahmad N, Maxwell H, Tizard J, Vidal E, Amigoni A, Varagnolo M, Benetti E, Ghirardo G, Brugnolaro V, Murer L, Aoun B, Christine G, Alber B, Ulinski T, Aoun B, Decramer S, Bandin F, Ulinski T, Degi A, Degi A, Kerti A, Kis E, Cseprekal O, Szabo AJ, Reusz GS, Ghirardo G, Vidoni A, Vidal E, Benetti E, Ramondo G, Miotto D, Murer L. Paediatric nephrology. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs250] [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: 11/13/2022] Open
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Kamal K, Teji T, Manjeet M, Pyre P. Ameliorative potential of angiotensin1-7/Mas receptor axis in streptozotocin-induced diabetic nephropathy in rats. ACTA ACUST UNITED AC 2010; 32:19-25. [DOI: 10.1358/mf.2010.32.1.1434160] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Ghai A, Wadhera R, Kamal K, Verma V. Mediastinitis after oesophagoscopy: A case report. Southern African Journal of Anaesthesia and Analgesia 2009. [DOI: 10.1080/22201173.2009.10872604] [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: 10/24/2022]
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Taxak S, Lal J, Kamal K, Andrew C. Damaged Proseal™ LMA cuff at the inflation line site. Southern African Journal of Anaesthesia and Analgesia 2008. [DOI: 10.1080/22201173.2008.10872561] [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: 10/24/2022]
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Ghai A, Kiran S, Wadbera R, Kamal K. Airway obstruction following mandibular surgery—a case report. Southern African Journal of Anaesthesia and Analgesia 2008. [DOI: 10.1080/22201173.2008.10872548] [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: 10/24/2022]
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Trifilio S, Kamal K, Pennick G, Pi J, Golf M, Mehta J. 430: Discordance between voriconazole dose and plasma concentrations. Biol Blood Marrow Transplant 2007. [DOI: 10.1016/j.bbmt.2007.01.061] [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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Chawla A, Kulkarni G, Kamal K, Zini A. Microsurgical Varicocelectomy for Recurrent or Persistent Varicoceles Associated With Orchalgia. J Urol 2006. [DOI: 10.1016/s0022-5347(06)00177-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- A. Chawla
- Division of Urology, Department of Surgery, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - G. Kulkarni
- Division of Urology, Department of Surgery, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - K. Kamal
- Division of Urology, Department of Surgery, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - A. Zini
- Division of Urology, Department of Surgery, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
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Singh D, Kiberd BA, West KA, Kamal K, Balbontin F, Belitsky P, Lawen J. Importance of peak PRA in predicting the kidney transplant survival in highly sensitized patients. Transplant Proc 2003; 35:2395-7. [PMID: 14611966 DOI: 10.1016/j.transproceed.2003.08.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [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: 11/25/2022]
Abstract
Do patients with high historic peak panel-reactive antibodies (PRA) remain high risk if their PRA levels fall before transplantation? We examined retrospectively 406 first and repeat kidney recipients with a peak PRA of >50%, who were transplanted from our center between January 1990 and December 2001. Univariate analysis by log-rank test was performed for variables that affect graft survival. The factors tested included current PRA, peak PRA, difference between peak and current PRA (DeltaPRA), HLA mismatch, gender, age, transplant number, and donor source. Receiver operator characteristic curves (ROC) were generated to obtain the best cutpoints for current PRA and DeltaPRA. Current PRA (P < .0001), peak PRA (P = .0004), and DeltaPRA (P = .0015) were significant predictors by univariate analysis. However, in a multivariate model, peak PRA was not significant. Current PRA (P < .0001) was significantly associated with graft survival, while DeltaPRA showed a strong trend to significance (P = .05). Current PRA of <26% and DeltaPRA of >37% were the best cutpoints for separating good and poor outcomes. This study shows that current PRA and DeltaPRA impact on graft survival in highly sensitized (>50%) patients. Sensitized patients with peak PRA >50% who subsequently have a drop in PRA to <26% are at lower risk of graft loss than those with a persistently high PRA. A fall in peak PRA of >37% at the time of transplant appears to be of benefit only in those patients who achieve a current PRA of <26%.
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Affiliation(s)
- D Singh
- Kidney Transplant Program, Queen Elizabeth II Health Science Center, Halifax, Nova Scotia, Canada
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Abstract
OBJECTIVES To examine sperm DNA denaturation (DD) in fertile and infertile men and assess the variability of conventional semen parameters and sperm DD in repeated semen samples from infertile men. METHODS Twenty-one consecutive nonazoospermic, infertile men each submitted two semen samples, 2 to 6 weeks apart. We examined semen samples from consecutive fertile men (n = 10) presenting for vasectomy as controls. Standard semen parameters (World Health Organization criteria) and sperm chromatin structure (evaluated by flow cytometry analysis of acridine orange-treated spermatozoa and expressed as the percentage of spermatozoa with denatured DNA) were monitored. RESULTS Fertile men had a significantly higher sperm concentration and percentage of sperm motility and a significantly lower percentage of sperm with DD than did infertile men (36 +/- 5.2 x 10(6)/mL versus 12.5 +/- 2.2 x 10(6)/mL, 60.0% +/- 5.2% versus 30.1% +/- 4.1%, and 8.9% +/- 1.9% versus 20.3% +/- 2.5%, respectively, P <0.05). The sperm concentration, sperm motility, and percentage of spermatozoa with DD were not significantly different between the first and second semen samples from the infertile men. Sperm DD showed the lowest average within-subject coefficient of variation (SD/mean), followed by motility and concentration (coefficient of variation 21%, 24%, and 35%, respectively). CONCLUSIONS Our data demonstrate that infertile men have significantly higher sperm DD compared with fertile men and that sperm DD exhibits a low coefficient of variation ( approximately 20%) on repeated assessment. These data suggest that sperm DD has a relatively low degree of biologic variability.
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Affiliation(s)
- A Zini
- Division of Urology, Department of Surgery, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
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Gray GC, Kassira EN, Rodier GR, Myers MC, Calamaio CA, Gregory M, Nagi MA, Kamal K, Botros BA, Soliman AK, Hassan NF, Gregory R, Arunkumar BK, Cope A, Hyams KC. Remote village survey for agents causing hepatosplenic disease in the Republic of Yemen. Trop Doct 1999; 29:212-9. [PMID: 10578634 DOI: 10.1177/004947559902900408] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [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: 01/19/2023]
Abstract
The objective of this study was to epidemiologically describe potential infectious agents among rural people in the Republic of Yemen. This would aid clinicians in designing empirical therapy and public health officials in planning disease prevention. We sought to examine evidence for the geographical distribution of pathogens causing human hepatic and splenic disease among villagers and domestic animals living in three remote areas with differing altitudes. In June 1992, a cross-sectional survey was conducted at three survey sites of differing altitudes: 3080, 1440 and 250 m above sea level. Questionnaires, parasitic and serological tests were administered to 627 human volunteers. Additionally 317 domestic animals were studied. Malaria, schistosomiasis, and hepatitis B and C infections were found to be likely causes of human hepatic or splenic disease. Additionally, evidence of human and animal infections with the agents of brucellosis and Q fever was found: IgG antibodies against hepatitis E virus were discovered in two (2.0%) of the 100 volunteers. The prevalence of markers for human and animal disease was often lowest at the village of highest elevation, suggesting that increasing altitude, as a surrogate or a true independent risk factor, was protective against infection with the agents studied.
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Affiliation(s)
- G C Gray
- US Naval Medical Research Unit No. 3 Cairo, Egypt.
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Peruski LF, Kay BA, El-Yazeed RA, El-Etr SH, Cravioto A, Wierzba TF, Rao M, El-Ghorab N, Shaheen H, Khalil SB, Kamal K, Wasfy MO, Svennerholm AM, Clemens JD, Savarino SJ. Phenotypic diversity of enterotoxigenic Escherichia coli strains from a community-based study of pediatric diarrhea in periurban Egypt. J Clin Microbiol 1999; 37:2974-8. [PMID: 10449484 PMCID: PMC85425 DOI: 10.1128/jcm.37.9.2974-2978.1999] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
No past studies of diarrhea in children of the Middle East have examined in detail the phenotypes of enterotoxigenic Escherichia coli (ETEC) strains, which are important pathogens in this setting. During a prospective study conducted from November 1993 to September 1995 with 242 children under 3 years of age with diarrhea living near Alexandria, Egypt, 125 episodes of diarrhea were positive for ETEC. ETEC strains were available for 98 of these episodes, from which 100 ETEC strains were selected and characterized on the basis of enterotoxins, colonization factors (CFs), and O:H serotypes. Of these representative isolates, 57 produced heat-stable toxin (ST) only, 34 produced heat-labile toxin (LT) only, and 9 produced both LT and ST. Twenty-three ETEC strains expressed a CF, with the specific factors being CF antigen IV (CFA/IV; 10 of 23; 43%), CFA/II (5 of 23; 22%), CFA/I (3 of 23; 13%), PCFO166 (3 of 23; 13%), and CS7 (2 of 23; 9%). No ETEC strains appeared to express CFA/III, CS17, or PCFO159. Among the 100 ETEC strains, 47 O groups and 20 H groups were represented, with 59 O:H serotypes. The most common O serogroups were O159 (13 strains) and O43 (10 strains). O148 and O21 were each detected in five individual strains, O7 and O56 were each detected in four individual strains, O73, O20, O86, and O114 were each detected in three individual strains, and O23, O78, O91, O103, O128, and O132 were each detected in two individual strains. The most common H serogroups were H4 (16 strains), 12 of which were of serogroup O159; H2 (9 strains), all of which were O43; H18 (6 strains); H30 (6 strains); and H28 (5 strains); strains of the last three H serogroups were all O148. Cumulatively, our results suggest a high degree of clonal diversity of disease-associated ETEC strains in this region. As a low percentage of these strains expressed a CF, it remains possible that other adhesins for which we either did not assay or that are as yet undiscovered are prevalent in this region. Our findings point out some potential barriers to effective immunization against ETEC diarrhea in this population and emphasize the need to identify additional protective antigens commonly expressed by ETEC for inclusion in future vaccine candidates.
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Affiliation(s)
- L F Peruski
- U.S. Naval Medical Research Unit No. 3, Cairo, Egypt.
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Khalil SB, Cassels FJ, Shaheen HI, Pannell LK, El-Ghorab N, Kamal K, Mansour M, Savarino SJ, Peruski LF. Characterization of an enterotoxigenic Escherichia coli strain from Africa expressing a putative colonization factor. Infect Immun 1999; 67:4019-26. [PMID: 10417169 PMCID: PMC96691 DOI: 10.1128/iai.67.8.4019-4026.1999] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
An enterotoxigenic Escherichia coli (ETEC) strain of serotype O114:H- that expressed both heat-labile and heat-stable enterotoxins and tested negative for colonization factors (CF) was isolated from a child with diarrhea in Egypt. This strain, WS0115A, induced hemagglutination of bovine erythrocytes and adhered to the enterocyte-like cell line Caco-2, suggesting that it may elaborate novel fimbriae. Surface-expressed antigen purified by differential ammonium sulfate precipitation and column chromatography yielded a single protein band with M(r) 14,800 when resolved by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (16% polyacrylamide). A monoclonal antibody against this putative fimbrial antigen was generated and reacted with strain WS0115A and also with CS1-, CS17-, and CS19-positive strains in a dot blot assay. Reactivity was temperature dependent, with cells displaying reactivity when grown at 37 degrees C but not when grown at 22 degrees C. Immunoblot analysis of a fimbrial preparation from strain WS0115A showed that the monoclonal antibody reacted with a single protein band. Electron microscopy and immunoelectron microscopy revealed fimbria-like structures on the surface of strain WS0115A. These structures were rigid and measured 6.8 to 7.4 nm in diameter. Electrospray mass-spectrometric analysis showed that the mass of the purified fimbria was 14,965 Da. The N-terminal sequence of the fimbria established that it was a member of the CFA/I family, with sequence identity to the amino terminus of CS19, a new CF recently identified in India. Cumulatively, our results suggest that this fimbria is CS19. Screening of a collection of ETEC strains isolated from children with diarrhea in Egypt found that 4.2% of strains originally reported as CF negative were positive for this CF, suggesting that it is biologically relevant in the pathogenesis of ETEC.
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Affiliation(s)
- S B Khalil
- Research Sciences Department, U.S. Naval Medical Research Unit No. 3, Cairo, Egypt
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22
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Abstract
Diabetic microangiopathy has been implicated as a fundamental feature of the pathological complications of diabetes including retinopathy, neuropathy, and diabetic foot ulceration. However, previous studies devoted to examining the deleterious effects of elevated glucose on the endothelium have been performed largely in primary cultured cells of macrovessel origin. Difficulty in the harvesting and maintenance of microvascular endothelial cells in culture have hindered the study of this relevant population. Therefore, the objective of this study was to characterize the effect of elevated glucose on the proliferation and involved signaling pathways of an immortalized human dermal microvascular endothelial cell line (HMEC-1) that possess similar characteristics to their in vivo counterparts. Human dermal microvascular endothelial cells (HMEC-1) were grown in the presence of normal (5 mM) or high D-glucose (20 mM) for 14 days. The proliferative response of HMEC-1 was compared under these conditions as well as the cAMP and PKC pathways by in vitro assays. Elevated glucose significantly inhibited (P < 0.05) HMEC-1 proliferation after 7, 10, and 14 days. This effect was not mimicked by 20 mM mannitol. The antiproliferative effect was more pronounced with longer exposure (1-14 days) to elevated glucose and was irreversible 4 days after a 10-day exposure. The antiproliferative effect was partially reversed in the presence of a PKA inhibitor, Rp-cAMP (10-50 microM), and/or a PKC inhibitor, Calphostin C (10 nM). HMEC-1 exposed to elevated glucose (20 mM) for 14 days caused an increase in cyclic AMP accumulation, PKA, and PKC activity but was not associated with the activation of downstream events such as CRE and AP-1 binding activity. These data support the hypothesis that HMEC-1 is a suitable model to study the deleterious effects of elevated glucose on microvascular endothelial cells. Continued studies with HMEC-1 may prove advantageous in delineation of the molecular pathophysiology associated with diabetic microangiopathy.
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Affiliation(s)
- K Kamal
- Department of Surgery (Vascular), Yale University School of Medicine, New Haven, Connecticut 06510, USA
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Mills I, Cohen CR, Kamal K, Li G, Shin T, Du W, Sumpio BE. Strain activation of bovine aortic smooth muscle cell proliferation and alignment: study of strain dependency and the role of protein kinase A and C signaling pathways. J Cell Physiol 1997; 170:228-34. [PMID: 9066778 DOI: 10.1002/(sici)1097-4652(199703)170:3<228::aid-jcp2>3.0.co;2-q] [Citation(s) in RCA: 83] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Smooth muscle cell (SMC) phenotype can be altered by physical forces as demonstrated by cyclic strain-induced changes in proliferation, orientation, and secretion of macromolecules. However, the magnitude of strain required and the intracellular coupling pathways remain ill defined. To examine the strain requirements for SMC proliferation, we selectively seeded bovine aortic SMC either on the center or periphery of silastic membranes which were deformed with 150 mm Hg vacuum (0-7% center; 7-24% periphery). SMC located in either the center or peripheral regions showed enhanced proliferation compared to cells grown under the absence of cyclic strain. Moreover, SMC located in the center region demonstrated significantly (P < 0.005) greater proliferation as compared to those in the periphery. In contrast, SMC exposed to high strain (7-24%) demonstrated alignment perpendicular to the strain gradient, whereas SMC in the center (0-7%) remained aligned randomly. To determine the mechanisms of these phenomena, we examined the effect of cyclic strain on bovine aortic SMC signaling pathways. We observed strain-induced stimulation of the cyclic AMP pathway including adenylate cyclase activity and cyclic AMP accumulation. In addition, exposure of SMC to cyclic strain caused a significant increase in protein kinase C (PKC) activity and enzyme translocation from the cytosol to a particulate fraction. Further study was conducted to examine the effect of strain magnitude on signaling, particularly protein kinase A (PKA) activity as well as cAMP response element (CRE) binding protein levels. We observed significantly (P < 0.05) greater PKA activity and CRE binding protein levels in SMC located in the center as compared to the peripheral region. However, inhibition of PKA (with 10 microM Rp-cAMP) or PKC (with 5-20 ng/ml staurosporine) failed to alter either the strain-induced increase in SMC proliferation or alignment. These data characterize the strain determinants for activation of SMC proliferation and alignment. Although strain activated both the AC/cAMP/PKA and the PKC pathways in SMC, singular inhibition of PKA and PKC failed to prevent strain-induced alignment and proliferation, suggesting either their lack of involvement or the multifactorial nature of these responses.
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MESH Headings
- Activating Transcription Factor 2
- Adenylyl Cyclases/metabolism
- Animals
- Aorta/cytology
- Cattle
- Cell Division/physiology
- Cells, Cultured/enzymology
- Cyclic AMP/metabolism
- Cyclic AMP Response Element-Binding Protein/metabolism
- Cyclic AMP-Dependent Protein Kinases/physiology
- Endothelium, Vascular/cytology
- Endothelium, Vascular/enzymology
- Leucine Zippers/physiology
- Muscle, Smooth, Vascular/chemistry
- Muscle, Smooth, Vascular/cytology
- Muscle, Smooth, Vascular/enzymology
- Protein Kinase C/physiology
- Signal Transduction/physiology
- Stress, Mechanical
- Transcription Factors/metabolism
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Affiliation(s)
- I Mills
- Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06510, USA
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Cohen CR, Mills I, Du W, Kamal K, Sumpio BE. Activation of the adenylyl cyclase/cyclic AMP/protein kinase A pathway in endothelial cells exposed to cyclic strain. Exp Cell Res 1997; 231:184-9. [PMID: 9056425 DOI: 10.1006/excr.1996.3450] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The aim of this study was to assess the involvement of the adenylyl cyclase/cyclic AMP/protein kinase A pathway (AC) in endothelial cells (EC) exposed to different levels of mechanical strain. Bovine aortic EC were seeded to confluence on flexible membrane-bottom wells. The membranes were deformed with either 150 mm Hg (average 10% strain) or 37.5 mm Hg (average 6% strain) vacuum at 60 cycles per minute (0.5 s strain; 0.5 s relaxation) for 0-60 min. The results demonstrate that at 10% average strain (but not 6% average strain) there was a 1.5- to 2.2-fold increase in AC, cAMP, and PKA activity by 15 min when compared to unstretched controls. Further studies revealed an increase in cAMP response element binding protein in EC subjected to the 10% average strain (but not 6% average strain). These data support the hypothesis that cyclic strain activates the AC/cAMP/PKA signal transduction pathway in EC which may occur by exceeding a strain threshold and suggest that cyclic strain may stimulate the expression of genes containing cAMP-responsive promoter elements.
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Affiliation(s)
- C R Cohen
- Department of Surgery, Yale University School of Medicine, 333 Cedar Street, New Haven, Connecticut, 06510, USA
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Kamal K, Powell RJ, Sumpio BE. The pathobiology of diabetes mellitus: implications for surgeons. J Am Coll Surg 1996; 183:271-89. [PMID: 8784324] [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: 02/02/2023]
Affiliation(s)
- K Kamal
- Department of Surgery (Vascular), Yale University School of Medicine, New Haven, CT 06510, USA
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Shaheen H, Shalaby K, Farid Z, Campbell J, Kamal K. Parasite-specific isotype and subclass antibody profiles during acute prepatent human schistosomiasis. Exp Parasitol 1996; 82:222-4. [PMID: 8617350 DOI: 10.1006/expr.1996.0028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- H Shaheen
- U.S. Naval Medical Research Unit No. 3 09835-0007, USA
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Marsh D, Hashim R, Hassany F, Hussain N, Iqbal Z, Irfanullah A, Islam N, Jalisi F, Janoo J, Kamal K, Kara A, Khan A, Khan R, Mirza O, Mubin T, Pirzada F, Rizvi N, Hussain A, Ansari G, Siddiqui A, Luby S. Front-line management of pulmonary tuberculosis: an analysis of tuberculosis and treatment practices in urban Sindh, Pakistan. Tuber Lung Dis 1996; 77:86-92. [PMID: 8733421 DOI: 10.1016/s0962-8479(96)90082-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
SETTING Karachi and Hyderabad, Pakistan. OBJECTIVE To describe the level and quality of tuberculosis (TB) case management by non-TB control program (TCP) physicians in urban Sindh, Pakistan. DESIGN We interviewed 152 adults with pulmonary TB confirmed by Karachi's TB control program regarding the initial management of their TB symptoms before entering the TCP. We also surveyed 65 general practitioners (GPs) attending continuing education seminars with a multiple choice test to assess their management of suspected pulmonary TB. We compared both results to guidelines from the World Health Organization (WHO) and the International Union Against Tuberculosis and Lung Disease (IUATLD). RESULTS Eighty percent (122/152) of patients first sought GPs. Only 14% of GPs performed any sputum test. At most, 17 (40%) of the 42 patients recalling their GP's treatment, received the recommended 4-drug regimen. However, 68% (45/65) of surveyed GPs chose correct treatment from a multiple choice format. But their initial laboratory investigations, follow-up, and treatment cessation criteria (9%, 9-31%, and 11% correct, respectively) demonstrated under-utilization of sputum tests and over-reliance on unhelpful tests. CONCLUSIONS GPs first saw most of these TCP patients, but their weak management likely hinders TB control. A partnership between TB control programs and GPs could improve case management and hasten TB control.
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Affiliation(s)
- D Marsh
- Department of Community Health Sciences, Aga Khan University, Pakistan
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Boug A, Biquand S, Biquand-Guyot V, Kamal K. The response of commensal Hamadryas baboons to seasonal reduction in food provisioning. revec 1994. [DOI: 10.3406/revec.1994.2480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Attia M, Kamal K, Fouad MA, Saleh MH, Abo-Sabe M. Direct and indirect diagnosis of strongyloidiasis. J Egypt Soc Parasitol 1992; 22:115-9. [PMID: 1578156] [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] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Stool examination of 196 subjects from Sharkia Governorate was done by the use of direct smear, Zinc sulphate centrifugal floatation method and stool culture. Serological diagnosis by ELISA was done. Stool culture was the most sensitive method for diagnosing Strongyloidiasis. However, ELISA could be of great value in epidemiological studies and follow up.
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Affiliation(s)
- M Attia
- Department of Parasitology, Zagazig, Faculty of Medicine, Zagazig University
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30
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Kamal K. Sizing Procedures for a Fibre Reinforced Plastic Box. DEFENCE SCI J 1992. [DOI: 10.14429/dsj.42.4397] [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: 11/13/2022]
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Rashed SM, Kamal K, Shaheen H. Comparison between parasitological and serological techniques in assessment of schistosomiasis prevalence. J Egypt Soc Parasitol 1990; 20:169-74. [PMID: 2332644] [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] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The prevalence of schistosomiasis serologically based on detection of anti-soluble egg antigen (SEA)--IgM and/or IgG by ELISA technique was 68% of 380 cases, and 52.7% of 148 cases by stool examination. The serological technique seems to be more sensitive and able to detect early infection as well as detection of ectopic infection.
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Affiliation(s)
- S M Rashed
- Department of Parasitology, Benha Faculty of Medicine, Zagazig University, Egypt
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33
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Farid Z, Mansour N, Kamal M, Kamal K, Safwat Y, Woody JN. The treatment of acute Fasciola hepatica infection in children. Trop Geogr Med 1990; 42:95-6. [PMID: 1979700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Z Farid
- U.S. Naval Medical Research Unit No. 3, Cairo, Egypt
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34
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Diab M, Kamal K, Cavender D, Higashi G. Modulation of cell-mediated immunity in mice with chronic unisexual or bisexual Schistosoma mansoni cercarial infection. Ann Trop Med Parasitol 1989; 83:25-30. [PMID: 2512865 DOI: 10.1080/00034983.1989.11812307] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Three groups of C57BL/6J female mice were infected with female Schistosoma mansoni cercariae alone, male cercariae alone, or both sexes of cercariae. In a longitudinal study, the spleen cell proliferative responses to the mitogens phytohaemagglutinin (PHA) and Escherichia coli lipopolysaccharide (LPS) were monitored. Significant immune suppression was found in the three infected groups when compared with uninfected controls. Within the infected groups, mice inoculated with both sexes of cercariae were significantly more suppressed than those with single-sex cercarial infection. Thus, in addition to schistosome eggs, either sex of S. mansoni worms is capable, although to a lesser extent, of inducing hyporesponsiveness of cell-mediated immunity (CMI) in chronic schistosomiasis mansoni.
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Affiliation(s)
- M Diab
- Department of Immunology, United States Naval Medical Research Unit No. 3, Cairo, Egypt
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35
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Farid Z, Mansour N, Kamal K, Girgis N, Woody J, Kamal M. The diagnosis and treatment of acute toxaemic schistosomiasis in children. Trans R Soc Trop Med Hyg 1987; 81:959. [PMID: 3140438 DOI: 10.1016/0035-9203(87)90364-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- Z Farid
- US Naval Medical Research Unit No. 3, Cairo, Egypt
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