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Oderda M, Dematteis A, Calleris G, Conti A, D'Agate D, Falcone M, Marquis A, Montefusco G, Marra G, Gontero P. Predictors of Prostate Cancer at Fusion Biopsy: The Role of Positive Family History, Hypertension, Diabetes, and Body Mass Index. Curr Oncol 2023; 30:4957-4965. [PMID: 37232832 DOI: 10.3390/curroncol30050374] [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: 03/25/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND PSA density and an elevated PI-RADS score are among the strongest predictors of prostate cancer (PCa) in a fusion biopsy. Positive family history, hypertension, diabetes, and obesity have also been associated with the risk of developing PCa. We aim to identify predictors of the prostate cancer detection rate (CDR) in a series of patients undergoing a fusion biopsy. METHODS We retrospectively evaluated 736 consecutive patients who underwent an elastic fusion biopsy from 2020 to 2022. Targeted biopsies (2-4 cores per MRI target) were followed by systematic mapping (10-12 cores). Clinically significant PCa (csPCa) was defined as ISUP score ≥ 2. Uni- and multi-variable logistic regression analyses were performed to identify predictors of CDR among age, body mass index (BMI), hypertension, diabetes, positive family history, PSA, a positive digital rectal examination (DRE), PSA density ≥ 0.15, previous negative biopsy status, PI-RADS score, and size of MRI lesion. RESULTS The median patients' age was 71 years, and median PSA was 6.6 ng/mL. A total of 20% of patients had a positive digital rectal examination. Suspicious lesions in mpMRI were scored as 3, 4, and 5 in 14.9%, 55.0%, and 17.5% of cases, respectively. The CDR was 63.2% for all cancers and 58.7% for csPCa. Only age (OR 1.04, p < 0.001), a positive DRE (OR 1.75, p = 0.04), PSA density (OR 2.68, p < 0.001), and elevated PI-RADS score (OR 4.02, p = 0.003) were significant predictors of the CDR in the multivariable analysis for overall PCa. The same associations were found for csPCa. The size of an MRI lesion was associated with the CDR only in uni-variable analysis (OR 1.07, p < 0.001). BMI, hypertension, diabetes, and a positive family history were not predictors of PCa. CONCLUSIONS In a series of patients selected for a fusion biopsy, positive family history, hypertension, diabetes, or BMI are not predictors of PCa detection. PSA-density and PI-RADS score are confirmed to be strong predictors of the CDR.
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Affiliation(s)
- Marco Oderda
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Alessandro Dematteis
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Giorgio Calleris
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Adriana Conti
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Daniele D'Agate
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Marco Falcone
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Alessandro Marquis
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Gabriele Montefusco
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Giancarlo Marra
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
| | - Paolo Gontero
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, 10126 Turin, Italy
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Oderda M, Marquis A, Calleris G, D’Agate D, Dematteis A, Falcone M, Marra G, Sasia A, Anceschi U, Simone G, Gontero P. Surgery in advanced prostate cancer scenarios: Do benefits outweigh the risks? Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01435-5] [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: 02/12/2023]
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Oderda M, Bertero L, Marquis A, Vissio E, Gatti M, Calleris G, D’Agate D, Montefusco G, Dematteis A, Marra G, Faletti R, Cassoni P, Gontero P. Clinical, radiological, pathological and genomic evaluation of MRI-invisible prostate cancers. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01027-8] [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: 02/12/2023]
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Oderda M, Marquis A, Calleris G, D’Agate D, Dematteis A, Faletti R, Gatti M, Marra G, Gontero P. Transperineal targeted microwave ablation for low to intermediate-risk prostate cancer: Results of a phase I-II study (NCT04627896). Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01009-6] [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: 02/12/2023]
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Oderda M, Albisinni S, Benamran D, Calleris G, Ciccariello M, Dematteis A, Diamand R, Descotes JL, Fiard G, Forte V, Giacobbe A, Marquis A, Marra G, Messas A, Muto G, Peltier A, Rius L, Simone G, Roumeguere T, Faletti R, Gontero P. Accuracy of elastic fusion biopsy: Comparing prostate cancer detection between targeted and systematic biopsy. Prostate 2023; 83:162-168. [PMID: 36259316 DOI: 10.1002/pros.24449] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 08/26/2022] [Accepted: 09/26/2022] [Indexed: 11/07/2022]
Abstract
INTRODUCTION When performing targeted biopsy (TBx), the need to add systematic biopsies (SBx) is often debated. Aim of the study is to evaluate the added value of SBx in addition to TBx in terms of prostate cancer (PCa) detection rates (CDR), and to test the concordance between multiparametric magnetic resonance imaging (mpMRI) findings and fusion biopsy results in terms of cancer location. METHODS We performed a retrospective, multicentric study that gathered data on 1992 consecutive patients who underwent elastic fusion biopsy between 2011 and 2020. A standardized approach was used, with TBx (2-4 cores per target) followed by SBx (12-14 cores). We assessed CDR of TBx, of SBx, and TBx+SBx for all cancers and clinically significant PCa (csPCa), defined as ISUP score ≥2. CDR was evaluated according to radiological and clinical parameters, with a particular focus on PI-RADS 3 lesions. In a subgroup of 1254 patients we tested the discordance between mpMRI findings and fusion biopsy results in terms of cancer location. Uni- and multivariable logistic regression analyses were performed to identify predictors of CDR. RESULTS CDR of TBx+SBx was 63.0% for all cancers and 38.8% of csPCa. Per-patient analysis showed that SBx in addition to TBx improved CDR by 4.5% for all cancers and 3.4% for csPCa. Patients with lesions scored as PI-RADS 3, 4, and 5 were diagnosed with PCa in 27.9%, 72.8%, and 92.3%, and csPCa in 10.7%, 43.6%, and 69.3%, respectively. When positive, PI-RADS 3 lesions were ISUP grade 1 in 61.1% of cases. Per-lesion analysis showed that discordance between mpMRI and biopsy was found in 56.6% of cases, with 710 patients having positive SBx outside mpMRI targets, of which 414 (58.0%) were clinically significant. PSA density ≥0.15 was a strong predictor of CDR. CONCLUSIONS The addition of systematic mapping to TBx contributes to a minority of per-patient diagnoses but detects a high number of PCa foci outside mpMRI targets, increasing biopsy accuracy for the assessment of cancer burden within the prostate. High PSA-density significantly increases the risk of PCa, both in the whole cohort and in PI-RADS 3 cases.
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Affiliation(s)
- Marco Oderda
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, Turin, Italy
| | - Simone Albisinni
- Department of Urology, University Clinics of Brussels, Erasme Hospital and Jules Bordet Institute, Université Libre de Bruxelles, Brussels, Belgium
| | - Daniel Benamran
- Department of Urology, Hôpitaux Universitaires Genève, Geneva, Switzerland
| | - Giorgio Calleris
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, Turin, Italy
| | - Mauro Ciccariello
- Department of Radiological, Oncological, and Anatomo-Pathological Sciences, Sapienza University of Rome, Rome, Italy
| | - Alessandro Dematteis
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, Turin, Italy
| | - Romain Diamand
- Department of Urology, University Clinics of Brussels, Erasme Hospital and Jules Bordet Institute, Université Libre de Bruxelles, Brussels, Belgium
| | - Jean-Luc Descotes
- Department of Urology, Grenoble Alpes University Hospital, Université Grenoble Alpes, CNRS, Grenoble INP, TIMC-IMAG, Grenoble, France
| | - Gaelle Fiard
- Department of Urology, Grenoble Alpes University Hospital, Université Grenoble Alpes, CNRS, Grenoble INP, TIMC-IMAG, Grenoble, France
| | - Valerio Forte
- Department of Radiology, San Carlo di Nancy Hospital, Rome, Italy
| | | | - Alessandro Marquis
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, Turin, Italy
| | - Giancarlo Marra
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, Turin, Italy
| | - Aurel Messas
- Department of Urology, Hopitaux de Paris, Paris, France
| | - Giovanni Muto
- Department of Urology, Humanitas Gradenigo Hospital, Turin, Italy
| | - Alexandre Peltier
- Department of Urology, University Clinics of Brussels, Erasme Hospital and Jules Bordet Institute, Université Libre de Bruxelles, Brussels, Belgium
| | - Leire Rius
- Department of Urology, Galdakao Hospital, Bilbao, Spain
| | - Giuseppe Simone
- Department of Urology, Regina Elena National Cancer Institute, Rome, Italy
| | - Thierry Roumeguere
- Department of Urology, University Clinics of Brussels, Erasme Hospital and Jules Bordet Institute, Université Libre de Bruxelles, Brussels, Belgium
| | - Riccardo Faletti
- Division of Radiology, Molinette Hospital, University of Turin, Italy
| | - Paolo Gontero
- Division of Urology, Department of Surgical Sciences, Molinette Hospital, University of Turin, Turin, Italy
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Mello-Grand M, Bruno A, Sacchetto L, Cristoni S, Gregnanin I, Dematteis A, Zitella A, Gontero P, Peraldo-Neia C, Ricotta R, Noonan DM, Albini A, Chiorino G. Two Novel Ceramide-Like Molecules and miR-5100 Levels as Biomarkers Improve Prediction of Prostate Cancer in Gray-Zone PSA. Front Oncol 2021; 11:769158. [PMID: 34868998 PMCID: PMC8640468 DOI: 10.3389/fonc.2021.769158] [Citation(s) in RCA: 6] [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: 09/01/2021] [Accepted: 10/25/2021] [Indexed: 01/04/2023] Open
Abstract
Reliable liquid biopsy-based tools able to accurately discriminate prostate cancer (PCa) from benign prostatic hyperplasia (BPH), when PSA is within the “gray zone” (PSA 4–10), are still urgent. We analyzed plasma samples from a cohort of 102 consecutively recruited patients with PSA levels between 4 and 16 ng/ml, using the SANIST-Cloud Ion Mobility Metabolomic Mass Spectrometry platform, combined with the analysis of a panel of circulating microRNAs (miR). By coupling CIMS ion mobility technology with SANIST, we were able to reveal three new structures among the most differentially expressed metabolites in PCa vs. BPH. In particular, two were classified as polyunsaturated ceramide ester-like and one as polysaturated glycerol ester-like. Penalized logistic regression was applied to build a model to predict PCa, using six circulating miR, seven circulating metabolites, and demographic/clinical variables, as covariates. Four circulating metabolites, miR-5100, and age were selected by the model, and the corresponding prediction score gave an AUC of 0.76 (C.I. = 0.66–0.85). At a specified cut-off, no high-risk tumor was misclassified, and 22 out of 53 BPH were correctly identified, reducing by 40% the false positives of PSA. We developed and applied a novel, minimally invasive, liquid biopsy-based powerful tool to characterize novel metabolites and identified new potential non-invasive biomarkers to better predict PCa, when PSA is uninformative as a tool for precision medicine in genitourinary cancers.
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Affiliation(s)
| | - Antonino Bruno
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry, and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
| | - Lidia Sacchetto
- Department of Mathematical Sciences, Politecnico di Torino, Torino, Italy
| | - Simone Cristoni
- I.S.B.-Ion Source & Biotechnologies srl, Biotechnology, Bresso, Italy
| | - Ilaria Gregnanin
- Cancer Genomics Laboratory, Fondazione Edo ed Elvo Tempia, Biella, Italy
| | - Alessandro Dematteis
- Department of Urology, San Giovanni Battista Hospital of Torino, Corso Torino, Italy
| | - Andrea Zitella
- Department of Urology, San Giovanni Battista Hospital of Torino, Corso Torino, Italy
| | - Paolo Gontero
- Department of Urology, San Giovanni Battista Hospital of Torino, Corso Torino, Italy
| | | | - Riccardo Ricotta
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
| | - Douglas M Noonan
- Immunology and General Pathology Laboratory, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy.,Unit of Molecular Pathology, Biochemistry, and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
| | - Adriana Albini
- Laboratory of Vascular Cell Biology and Angiogenesis Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
| | - Giovanna Chiorino
- Cancer Genomics Laboratory, Fondazione Edo ed Elvo Tempia, Biella, Italy
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Oderda M, Albisinni S, Benamran D, Calleris G, Ciccariello M, Dematteis A, Diamand R, Descotes J, Fiard G, Forte V, Giacobbe A, Marquis A, Marra G, Messas A, Muto G, Peltier A, Rius L, Simone G, Roumeguere T, Gontero P. Improved cancer detection with targeted biopsies only: results from a multicenter series using Koelis fusion system. EUR UROL SUPPL 2021. [DOI: 10.1016/s2666-1683(21)00914-9] [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: 10/20/2022] Open
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Oderda M, Albisinni S, Benamran D, Calleris G, Ciccariello M, Dematteis A, Diamand R, Descotes J, Fiard G, Forte V, Giacobbe A, Marquis A, Marra G, Messas A, Muto G, Peltier A, Rius L, Simone G, Thierry R, Gontero P. Correlation between MRI and biopsy for cancer location definition: results from a multicentric study. EUR UROL SUPPL 2021. [DOI: 10.1016/s2666-1683(21)00794-1] [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] Open
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Oderda M, Albisinni S, Benamran D, Calleris G, Ciccariello M, Dematteis A, Diamand R, Descotes J, Fiard G, Forte V, Giacobbe A, Marquis A, Marra G, Messas A, Muto G, Peltier A, Rius L, Simone G, Roumeguere T, Gontero P. Accuracy of Koelis fusion biopsy: Improved cancer detection with targeted biopsies only. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01332-4] [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: 10/20/2022]
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Lovari S, Boesi R, Minder I, Mucci N, Randi E, Dematteis A, Ale SB. Restoring a keystone predator may endanger a prey species in a human-altered ecosystem: the return of the snow leopard to Sagarmatha National Park. Anim Conserv 2009. [DOI: 10.1111/j.1469-1795.2009.00285.x] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [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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Dematteis A, Menzano A, Canavese G, Meneguz PG, Rossi L. Anaesthesia of free-ranging Northern chamois (Rupicapra rupicapra) with xylazine/ketamine and reversal with atipamezole. EUR J WILDLIFE RES 2009. [DOI: 10.1007/s10344-009-0270-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Dematteis A, Rossi L, Canavese G, Menzano A, Meneguz PG. Immobilising free-ranging Alpine chamois with xylazine, reversed with atipamezole. Vet Rec 2008; 163:184-9. [DOI: 10.1136/vr.163.6.184] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- A. Dematteis
- Research Centre on Wildlife Management; Università degli Studi di Torino; Frazione Rore, 17-Sampeyre (CN) Italy
| | - L. Rossi
- Facoltà di Medicina Veterinaria; Dipartimento di Produzioni Animali, Epidemiologia ed Ecologia; Università degli Studi di Torino; V. L. da Vinci, 44-Grugliasco (TO) Italy
| | - G. Canavese
- Martime Alps Natural Park; Piazza Regina Elena, 30-Valdieri (CN) Italy
| | - A. Menzano
- Research Centre on Wildlife Management; Università degli Studi di Torino; Frazione Rore, 17-Sampeyre (CN) Italy
| | - P. G. Meneguz
- Research Centre on Wildlife Management; Università degli Studi di Torino; Frazione Rore, 17-Sampeyre (CN) Italy
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Del Colle S, Milan A, Caserta M, Dematteis A, Naso D, Mulatero P, Rabbia F, Veglio F. Baroreflex sensitivity is impaired in essential hypertensives with central obesity. J Hum Hypertens 2007; 21:473-8. [PMID: 17287838 DOI: 10.1038/sj.jhh.1002163] [Citation(s) in RCA: 18] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Recently, much interest has focussed on the potential interaction between sympathetic nervous system and global cardiovascular risk. We investigated how baroreflex sensitivity (BRS), an index of autonomic function, interacts with central obesity (CO) in an essential hypertensive (EH) population. We selected 170 EHs and 43 normotensives (NT), (median age 47.3+/-11.3 and 49.1+/-13 years, respectively). Anthropometric parameters were measured for each and BRS was evaluated by a non-invasive method using Portapres TNO. The BRS evaluation was made using the sequences method. Systolic blood pressure (SBP) and heart rate were significantly higher in EH (P<0.001 and P=0.007, respectively). BRS was significantly greater in NT (P=0.02), and was associated inversely with waist circumference (WC) (P=0.005), but not with SBP or with other metabolic risk factors. Body mass index, total and high-density lipoprotein cholesterol, age and WC were not significantly different between the two groups. These results were confirmed by age pounded analysis. Finally, a separate analysis of the hypertensive group with CO (n=84) demonstrated a significantly lower BRS compared with the other hypertensive patients (n=86) (P<0.001). BRS is associated with WC but not with arterial pressure values and metabolic risk factors. Hypertensive subjects with CO show an impairment of BRS. Owing to its association with abdominal fat distribution and subsequently insulin resistance, BRS could represent a further and reliable index for evaluation of global cardiovascular risk in hypertensive patients.
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Affiliation(s)
- S Del Colle
- Hypertension Unit, Department of Medicine and Experimental Oncology, University of Turin, Molinette Hospital, Turin, Italy.
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Caserta MA, Milan A, Del Colle S, Dematteis A, Naso D, Magnino C, Puglisi E, Pertusio A, Tosello F, Saglio E, Monticone S, De Andres MI, Veglio F. Baroreflex Sensitivity Correlates with Left Ventricular Systolic Function in Hypertensive Patients. High Blood Press Cardiovasc Prev 2007. [DOI: 10.2165/00151642-200714030-00145] [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: 11/02/2022] Open
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Milan A, Caserta MA, Del Colle S, Dematteis A, Naso D, Magnino C, Puglisi E, Tosello F, Monticone S, Saglio E, De Andres MI, Mulatero P, Pandian NG, Veglio F. Diastolic Dysfunction is Associated with a Reduced Baroreflex Sensitivity. High Blood Press Cardiovasc Prev 2007. [DOI: 10.2165/00151642-200714030-00065] [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: 11/02/2022] Open
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Dematteis A, Menzano A, Tizzani P, Karmacharya B, Meneguz PG, Lovari S. IMMOBILIZATION OF HIMALAYAN TAHR WITH A XYLAZINE–KETAMINE MIXTURE AND REVERSAL WITH ATIPAMEZOLE UNDER FIELD CONDITIONS. J Wildl Dis 2006; 42:633-9. [PMID: 17092894 DOI: 10.7589/0090-3558-42.3.633] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [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
Twenty-nine free-ranging Himalayan tahr (Hemitragus jemlahicus) were darted in the Sagarmatha National Park (Nepal) using different combinations of xylazine and ketamine. Animals in Group 1 (n = 4) received a mean xylazine-ketamine dose of 2.77 +/- 0.99 mg/kg xylazine plus 3.32 +/- 0.19 mg/kg ketamine in males and 2.39 +/- 0.10 mg/kg xylazine plus 4.29 +/- 0.17 mg/kg ketamine in females. Animals in Group 2 (n = 25) received a mean xylazine-ketamine dose of 1.70 +/- 0.41 mg/kg xylazine plus 3.06 +/- 0.74 mg/kg ketamine in males and 1.82 +/- 0.29 mg/kg xylazine plus 3.29 +/- 0.52 mg/kg ketamine in females. No anesthetic-related mortality was recorded. Anesthesia was reversed by a standard dose of 11 mg/animal of atipamezole administered by intramuscular injection. Although all anesthetic dosages immobilized free-ranging tahr successfully, a quick and smooth recovery was obtained (11.1 +/- 5.6 min) only with the dosages of Group 2.
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Affiliation(s)
- A Dematteis
- CERIGEFAS (Research Centre on Wildlife Management), Università degli Studi di Torino, Fraz.ne Rore, 17, 12020 Sampeyre (CN), Italy.
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Milan A, Caserta M, Del Colle S, Dematteis A, Rabbia F, Mulatero P, Papotti G, Naso D, Veglio F. Left Ventricular Mass Index and Diastolic Function are Major Determinants of Left Atrial Volume in Essential Hypertensive Patients. High Blood Press Cardiovasc Prev 2005. [DOI: 10.2165/00151642-200512030-00063] [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: 11/02/2022] Open
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Del Colle S, Milan A, Caserta M, Dematteis A, Naso D, Rabbia F, Papotti G, Mulatero P, Veglio F. Evaluation of Spontaneous Baroreflex Sensitivity (BRS) in Hypertensive Patients. High Blood Press Cardiovasc Prev 2005. [DOI: 10.2165/00151642-200512030-00113] [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: 11/02/2022] Open
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Winnica DE, Novella ML, Dematteis A, Coronel CE. Trypsin/acrosin inhibitor activity of rat and guinea pig caltrin proteins. Structural and functional studies. Biol Reprod 2000; 63:42-8. [PMID: 10859240 DOI: 10.1095/biolreprod63.1.42] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [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: 11/01/2022] Open
Abstract
Dramatic inhibition of trypsin activity by rat caltrin and guinea pig caltrin I was spectrophotometrically demonstrated using the artificial substrate benzoylarginyl ethyl ester. Approximately 6% and 21% of residual proteolytic activity was recorded after preincubating the enzyme with 0.22 and 0.27 microM rat caltrin and guinea pig caltrin I, respectively. Reduction and carboxymethylation of the cysteine residues abolished the inhibitor activity of both caltrin proteins. Rat caltrin and guinea pig caltrin I show structural homology with secretory trypsin/acrosin inhibitor proteins isolated from boar and human seminal plasma and mouse seminal vesicle secretion and share a fragment of 13 amino acids of almost identical sequence (DPVCGTDGH/K/ITYG/AN), which is also present in the structure of Kazal-type trypsin inhibitor proteins from different mammalian tissues. Bovine, mouse, and guinea pig caltrin II, three caltrin proteins that have no structural homology with rat caltrin or guinea pig caltrin I, lack trypsin inhibitor activity. Rat caltrin, guinea pig caltrin I, and the mouse seminal vesicle trypsin inhibitor protein P12, which also inhibits Ca(2+) uptake into epididymal spermatozoa (mouse caltrin I), bound specifically to the sperm head, on the acrosomal region, as detected by indirect immunofluorescence. They also inhibited the acrosin activity in the gelatin film assay. Caltrin I may play an important role in the control of sperm functions such as Ca(2+) influx in the acrosome reaction and activation of acrosin and other serine-proteases at the proper site and proper time to ensure successful fertilization.
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Affiliation(s)
- D E Winnica
- Cátedras de Química Biológica, Facultades de Ciencias Médicas and Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
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