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Carcea F, Daniilidis A, Vavoulidis E, Nasioutziki M, Papanikolaou A, Dinas K. A cohort retrospective study of high-risk HPV recurrence in Greek women after cervical lesion treatment through detection of viral E6/E7 mRNA expression. JOURNAL OF B.U.ON. : OFFICIAL JOURNAL OF THE BALKAN UNION OF ONCOLOGY 2020; 25:99-107. [PMID: 32277620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
PURPOSE Our aim was to detect and evaluate potential alterations in the postoperative status of E6/E7 HPV mRNA in women treated for cervical intraepithelial lesions (CIN) and if so, to evaluate its potential use as a prognostic tool to identify patients with increased risk of treatment failure or recurrent disease. METHODS Our study retrospectively analyzed 101 women with an abnormal Pap smear, or in some cases with histological reports or molecular analysis requiring colposcopic evaluation. Thin-prep cytological samples were collected before colposcopy and histology (when necessary). After treatment, all women were scheduled for colposcopy in six months. The cytological material was analyzed with CLART-2 HPV-DNA test and HPV-PROOFER E6/E7 mRNA test. RESULTS Concerning demographics, no significant correlations were found for smoking, condom use or vaccination status. It seems that the only statistically significant correlation with actual severity came from the mRNA-test after treatment. This shows that clinical cases with more severe CIN may have higher chances of unsuccessful treatment. At the first post-op visit, 83.5% of HPV mRNA-positive women had a negative HPV mRNA-test while only 60.4% of HPV DNA-positive women became negative. There were 12 HPV-mRNA positive patients both before and after treatment, 3 of whom had a negative HPV DNA test, meaning that, if based only on HPV-DNA results, they would have been managed wrongly as successfully treated patients. Our study shows that E6/E7 mRNA detection has particularly high specificity and positive likelihood ratio for the prediction of treatment failure in comparison with HPV DNA-testing. CONCLUSIONS E6/E7 mRNA overexpression seems to be a promising candidate as an indicator-biomarker to determine the success of treatment.
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Angelis A, Chrysohoou C, Laina A, Antoniou CK, Konstantinou K, Aznaourides K, Georgakopoulos C, Papanikolaou A, Dilaveris P, Vlachopoulos C, Tousoulis D. P4534The Mediterranean diet benefit in chronic heart failure by decoding central and peripheral vessel rheology, atheroma formation and serum prolactin levels. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Central hemodynamics and especially wave reflection amplification exhibit a vital parameter of chronic heart failure (CHF) physiology. Erectile dysfunction (ED) displays a poor peripheral vessel rheology and serum prolactin role is still debated in CHF mechanisms. The Mediterranean diet (Med-diet) is famous for its vasoprotective and wellbeing properties.
Purpose
To investigate the effect of the Med-diet in central hemodynamics, erectile status, atheroma formation and serum prolactin levels in male patients with chronic heart failure.
Methods
123 CHF male patients under optimal medical therapy enrolled the study (mean age: 65±8 yo, NYHA class II, ejection fraction <40%). All underwent evaluation of the carotid – femoral pulse wave velocity (PWV), estimation of central pressures and augmentation index (AIx) as parameter of wave reflection amplification (sphygmocor device). Ejection fraction (EF) of the left ventricle was estimated by using 2D echocardiography (Simpson method). ED severity and adherence to the Med-diet were assessed by the SHIM-5 (range: 0–25) and the Med-diet (range: 0–55) scores. Higher values point to better erectile function and a great Med-diet compliance respectively. Detection of atheroma was based on the intima- media thickness (IMT) of the common carotid artery. Prolactin levels were assessed in morning blood samples taken before 09:00 am.
Results
The SHIM −5 score (mean: 12±4) was associated to the AIx (p=0,03, r=0,75) and both positively and strongly related to the Med-diet score (p=0,01, r=0,8 and p=0,01, r=0,75 respectively). Med-diet compliance was negatively associated to IMT (p=0,02, r=−0,8) and serum prolactin levels (p=0,03, r=−0,6).Moreover, we notice a positive association between prolactin and the IMT (p=0,04, r=0,7). By multiple linear regression analysis the relation of SHIM-5 and Med-diet score remained significant (p=0,04) after adjustment for BMI, central pulse and mean arterial pressures. We further subdivide our population according to the mean Med-diet value (28) into high and low Med-diet adherence groups. Only in the group with the greater Med-diet adherence (n=73, 60%) AIx was strongly associated to the SHIM-5 score (p=0,02) even after adjustment for PWV, age and BMI. Prolactin levels there were still related to IMT (p=0,04) after adjustment for PWV, AIx, BMI and central pulse pressure. All statistics remained significant when adjusting for ejection fraction of the left ventricle.
Conclusion
High adherence to the Med-diet benefits CHF hemodynamics by enforcing wave reflection amplification, thus generating a stronger pulse signal to peripheral vasculature. Moreover suppresses serum prolactin levels that relates to atheroma formation. Both actions enhance erectile performance independently of the EF of the left ventricle. It is important to advise CHF patients to adopt this dietary pattern in order to improve hemodynamic status and the sense of wellbeing.
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Foukas P, Koliou GA, Papoudou-Bai A, Charchanti A, Vrettou E, Poulios C, Chatzopoulos K, Kotoula V, Fountzilas E, Zakopoulou R, Visvikis A, Pentheroudakis G, Pectasides D, Aravantinos G, Oikonomopoulos G, Papanikolaou A, Haidopoulos D, Zagouri F, Fountzilas G, Goussia A. Prognostic significance of elements of the adaptive immunity in the microenvironment of epithelial ovarian cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz250.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Kastritis E, Karatrasoglou E, Dialoupi I, Gavriatopoulou M, Roussou M, Fotiou D, Kanellias N, Ntanasis-Stathopoulos I, Eleutherakis-Papaiakovou E, Manios E, Migkou M, Papanota AM, Papadopoulou E, Stamatelopoulos K, Ntalianis A, Papanikolaou A, Psimenou E, Gakiopoulou C, Tsitsilonis O, Tselegkidi M, Trougakos I, Kostopoulos I, Terpos E, Dimopoulos M. PS1378 AN EARLY, WITHIN THE FIRST MONTH, AND DEEP RESPONSE, SHOULD BE THE GOAL OF THERAPY IN AL AMYLOIDOSIS. Hemasphere 2019. [DOI: 10.1097/01.hs9.0000563788.88142.a3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Vatopoulou A, Papanikolaou A, Diavatis S, Goulis DG. Human papilloma virus vaccination and attitudes towards contraception: a cross-sectional study. EUR J CONTRACEP REPR 2019; 24:182-187. [PMID: 30966837 DOI: 10.1080/13625187.2019.1595573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Objective: Human papilloma virus (HPV) vaccination may result in misconceptions that encourage young women to adopt risky contraceptive practices. The purpose of this article was to investigate whether HPV vaccination status was associated with choice of contraceptive method and adoption of risky sexual behaviour. Methods: Vaccinated and non-vaccinated visitors to a university department paediatric and adolescent gynaecology clinic were asked to anonymously fill in a survey comprising questions on sociodemographic characteristics, sexual history, opinions on contraception and attitudes towards contraception. Results: A total of 191 women were studied, 75 (39.3%) of whom had received the HPV vaccination and 116 (60.7%) of whom had not. The main contraceptive methods used in both groups were male condom (46%), emergency contraception (14%) and coitus interruptus (12%). The vaccinated group was less religious and had better educated mothers compared with the non-vaccinated group (relative risk [RR] 0.64; 95% confidence interval [CI] 0.45, 0.93; p = .016 vs RR 1.91; 95% CI 1.01, 3.63; p = .027, respectively). They also had an earlier sexual debut (RR 1.94; 95% CI 1.06, 3.55; p = .015), agreed that vaccination increased the safety of sex (RR 1.45; 95% CI 1.02, 2.05; p = .039) and considered the HPV vaccine a prerequisite to initiation of a sexual relationship (RR 1.87; 95% CI 1.34, 2.63; p < .001). Conclusion: HPV vaccination did not affect sexual behaviour, attitudes to condom use or choice of contraceptive method.
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Polychronidou G, Kotoula V, Manousou K, Kostopoulos I, Karayannopoulou G, Vrettou E, Bobos M, Raptou G, Efstratiou I, Dionysopoulos D, Chatzopoulos K, Lakis S, Chrisafi S, Tsolakidis D, Papanikolaou A, Dombros N, Fountzilas G. Mismatch repair deficiency and aberrations in the Notch and Hedgehog pathways are of prognostic value in patients with endometrial cancer. PLoS One 2018; 13:e0208221. [PMID: 30521558 PMCID: PMC6283658 DOI: 10.1371/journal.pone.0208221] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 11/14/2018] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to investigate the prognostic value of the Hedgehog (Gli, Patched-1, Shh, Smo) and Notch (Jag1, Notch2, Notch3) pathway members, in comparison to a panel of proteins (ER, PgR, HER2/neu, Ki67, p53, p16, PTEN and MMR) previously suggested to be involved in the pathogenesis of endometrial cancer, in association with clinical outcome and standard clinicopathological characteristics. A total of 204 patients with histological diagnosis of endometrial cancer treated from 2004 to 2013 were included. The evaluation of protein expression was assessed by immunohistochemistry. Univariate analysis showed that higher Ki67 labeling, expression of PTEN, p16, Notch2 and Notch3 proteins, as well as MMR proficiency were associated with increased relapse and mortality rate. Additionally, Patched-1 protein expression was associated with worse DFS, while p53 overexpression was associated with worse OS. In multivariate analyses, patients with MMR proficient tumors had more than double risk for death than patients with MMR deficient (MMRd) tumors (adjusted HR = 2.19, 95% CI 1.05–4.58, p = 0.036). Jag1 positivity conferred reduced mortality risk (HR = 0.48, 95% CI 0.23–0.97, p = 0.042). However, as shown by hierarchical clustering, patients fared better when their tumors expressed high Jag1 protein in the absence of Notch2 and Notch3, while they fared worse when all three proteins were highly expressed. Patched-1 positivity conferred higher risk for relapse (HR = 2.04, 95% CI 1.05–3.96, p = 0.036). Aberrant expression of key components of the Notch and Hedgehog signaling pathways, as well as MMRd may serve as independent prognostic factors for recurrence and survival in patients with endometrial cancer.
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Kotoula V, Lakis S, Tikas I, Giannoulatou E, Lazaridis G, Papadopoulou K, Manoussou K, Efstratiou I, Papanikolaou A, Fostira F, Vlachos I, Tarlatzis B, Fountzilas G. Pathogenic BRCA1 mutations may be necessary but not sufficient for tissue genomic heterogeneity: Deep sequencing data from ovarian cancer patients. Gynecol Oncol 2018; 152:375-386. [PMID: 30446274 DOI: 10.1016/j.ygyno.2018.11.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 11/05/2018] [Accepted: 11/11/2018] [Indexed: 01/12/2023]
Abstract
BACKGROUND Tissue genomic heterogeneity (t-HET) in patients with epithelial ovarian cancer (OVCA) is related to tissue plasticity, i.e., flexibility to adapt to adverse molecular environments. Here, we interrogated the presence and clinical relevance of OVCA t-HET. METHODS We applied high-depth (>2000×) sequencing on 297 paraffin tissue samples (fallopian tubes, ovaries, intra-abdominal metastases) from 71 treatment-naïve patients who subsequently received first-line platinum-based chemotherapy. Based on tissue mutation patterns, we distinguished tissue genotypes into: no mutation (33/297 samples; 11.1%), stable (173; 58.2%) and unstable (91; 30.7%). We profiled genotypes per patient and assessed t-HET in 69 patients. Predicted pathogenic mutations refer to germline and/or tissues. RESULTS Among all 71 patients, 46 (64.8%) had pathogenic BRCA1 mutations and 15 (21.7%) had BRCA1/2 disruption (i.e., pathogenic mutations with position-LOH). We classified 29 patients with t-HET (42%), all with pathogenic BRCA1; t-HET was observed in 64% with such mutations (p < 0.001). As opposed to non-t-HET, matched tissues in t-HET shared pathogenic BRCA1 (p < 0.001) but not BRCA2 and TP53. Germline BRCA1 mutations in tissues exhibited position-LOH; heterozygous status; or, partial loss of the inherited allele accompanied by additional clonal mutations. Patients with t-HET had worse outcome (log-rank p = 0.048 [progression-free]; p = 0.037 [overall survival]), including 12/15 patients with disrupted BRCA1/2 and 3 BRCA1 carriers with partial germline loss in tissues. CONCLUSIONS Pathogenic BRCA1 mutations appear necessary but may not be sufficient for the establishment of t-HET. t-HET may be associated with worse outcome, including in patients with disrupted BRCA1/2, which is usually considered as a favourable marker. OVCA t-HET may need to be addressed for treatment decisions.
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Kakavas S, Karayiannis D, Papanikolaou A, Karachaliou A, Mastora Z, Pavlara M, Boulbasakos G. Food group consumption and lung function parameters among hospitalized patients with acute exacerbation of chronic obstructive pulmonary disease. Clin Nutr 2018. [DOI: 10.1016/j.clnu.2018.06.1340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Panahi M, Papanikolaou A, Khan H, Torabi A, Cleland JGF, Vadgama N, Rosenthal NA, Harding S, Sattler S. P2861A systematic review and meta-analysis of anti-cytokine therapies targeting IL-1 and TNF- A in myocardial infarction and heart failure. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Stathogiannis K, Toutouzas K, Drakopoulou M, Latsios G, Synetos A, Oikonomou G, Xanthopoulou M, Trantalis G, Papanikolaou A, Peskesis G, Tsiamis E, Tousoulis D. 5250Effect of aortic valve calcification as measured by computed tomography in patients undergoing transcatheter aortic valve implantation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.5250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Drakopoulou M, Toutouzas K, Stathogiannis K, Latsios G, Synetos A, Sideris S, Trantalis G, Papanikolaou A, Oikonomou G, Xanthopoulou M, Karmpalioti M, Tsiamis E, Tousoulis D. P6306Impact of aorto-ventricular angulation on clinical outcomes following TAVR with a self-expanding valve. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p6306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Balfousias T, Apostolopoulos AP, Papanikolaou A, Karadimas E, Zouboulis G, Maris I. Scapulothoracic Dissociation and Clavicle Fracture with Associated Brachial Plexus Palsy. J Long Term Eff Med Implants 2018; 28:233-237. [DOI: 10.1615/jlongtermeffmedimplants.2018029212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Papakonstantinou N, Zisis C, Balis E, Papanikolaou A, Bouros D. P-186H-TYPE TRACHEO-OESOPHAGEAL FISTULA: A CONGENITAL DEFORMITY FIRST DIAGNOSED 59 YEARS POSTNATALLY. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kakavas S, Karayiannis D, Papanikolaou A, Baschali A, Sarantidou M, Karachaliou A, Karli A, Mastora Z, Palavra M, Boulbasakos G. SUN-P126: Bioelectrical Impedance Analysis Phase Angle as a Prognostic Marker for Outcome in Patients Admitted in Hospital with Acute Exacerbation of Chronic Obstructive Pulmonary Disease. Clin Nutr 2017. [DOI: 10.1016/s0261-5614(17)30501-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Synetos A, Papanikolaou A, Georgiopoulos G, Peskesis G, Drakopoulou M, Galanakos S, Benetos G, Stathogiannis K, Karanasos A, Toutouzas K, Tousoulis D. P4402Metabolic syndrome predicts plaque rupture in patients with acute myocardial Infarction. An optical coherence study. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Antonopoulos A, Oikonomou E, Tsalamandris S, Vogiatzi G, Tolis P, Papanikolaou A, Kalogeras K, Latsios G, Syrseloudis D, Aznaouridis K, Vaina S, Siasos G, Vavouranakis E, Toutouzas K, Tousoulis D. P4286Endothelial function post radial artery catheterization: a systematic review and meta-analysis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Synetos A, Georgiopoulos G, Pylarinou V, Peskesis G, Papanikolaou A, Karanasos A, Stathogiannis K, Galanakos S, Benetos G, Tsiamis E, Toutouzas K, Drakopoulou M, Tousoulis D. P2484EuroSCORE II has the best predictive ability after successful primary percutaneous coronary intervention for the treatment of acute myocardial infarction. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Synetos A, Papanikolaou A, Georgiopoulos G, Peskesis G, Drakopoulou M, Galanakos S, Karanasos A, Stathogiannis K, Koutajiar I, Toutouzas K, Tousoulis D. P3662CRP predicts cap thickness in the culprit lesions of patients with metabolic syndrome and acute myocardial infarction. An Optical Coherence Study. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p3662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Synetos A, Toutouzas K, Drakopoulou M, Koutajiar I, Stathogiannis K, Peskesis G, Papanikolaou A, Kotronias R, Agrogiannis G, Papalois A, Anagnostopoulos C, Cokkinos D, Patsouris E, Tousoulis D. P1565Attenuation of aortic valve calcification by local delivery of zoledronic acid. A PET/CT study. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Klonos E, Zepiridis L, Theodoridis T, Tsolakidis D, Grimbizis G, Papanikolaou A, Tarlatzis B. Endometrial stromal nodule in a woman with abnormal uterine bleeding and abdominal pain: a case report. Eur J Obstet Gynecol Reprod Biol 2016. [DOI: 10.1016/j.ejogrb.2016.07.176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kotoula V, Lakis S, Giannoulatou E, Kouvatseas G, Lazaridis G, Tikas I, Efstratiou I, Chrisafi S, Charalambous E, Papanikolaou A, Fostira F, Tarlatzis B, Fountzilas G. Impact of genomic heterogeneity and mutation patterns on the outcome of patients with epithelial ovarian cancer (EOC). Ann Oncol 2016. [DOI: 10.1093/annonc/mdw374.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Grimbizis GF, Mikos T, Papanikolaou A, Theodoridis T, Tarlatzis BC. Successful isthmo-neovagina anastomosis after Davydov's colpopoiesis in Mayer-Rokitansky-Küster-Hauser syndrome patients with a functional rudimentary uterine horn. J Minim Invasive Gynecol 2014; 22:142-50. [PMID: 25204254 DOI: 10.1016/j.jmig.2014.09.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Revised: 08/30/2014] [Accepted: 09/03/2014] [Indexed: 10/24/2022]
Abstract
The aim of these case reports is to present the feasibility of isthmo-neovagina anastomosis after Davydov's colpopoiesis in patients with Mayer-Rokitansky-Küster-Hauser syndrome (MRKH) with a rudimentary uterine horn. Ten MRKH patients were treated surgically with laparoscopic Davydov's vaginoplasty between 2006 and 2012. Two of these patients were found to have a functional rudimentary uterine horn. These patients underwent a 2-step surgical intervention: (1) Davydov's colpopoiesis with a combined laparoscopic and perineal approach and (2) isthmo-neovagina anastomosis with laparotomy in the 2 cases with a uterine horn in a second surgical step 4 and 6 months after the initial procedure, respectively. The main outcome measures were the perioperative and postoperative details, the vaginal length during follow-up, the postoperative initiation of intercourse, and the postoperative menstrual function. Isthmo-neovagina anastomosis was uneventful, and there were no early postoperative complications. The mean hospitalization duration was 9.5 days. Anastomosis was successful in both patients. The mean follow-up was 42 months, and the mean vaginal length was measured 9.5 cm; both patients reported normal intercourse and normal menstrual function. Anatomic restoration of the genital tract in these patients appears to have been successful and led to functional menstruation and restitution of the patients' sex life.
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Pestell RG, Casimiro MC, Crosariol M, Loro E, Dampier W, Di Sante G, Ertel A, Yu Z, Saria EA, Papanikolaou A, Li Z, Wang C, Addya S, Lisanti MP, Fortina P, Tozeren A, Knudsen ES, Arnold A. Abstract P5-07-06: Kinase-independent role of cyclin D1 in chromosomal instability and mammary tumorigenesis. Cancer Res 2013. [DOI: 10.1158/0008-5472.sabcs13-p5-07-06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Cyclin D1 is an important molecular driver of human breast cancer but better understanding of its oncogenic mechanisms is needed, especially to enhance efforts in targeted therapeutics. Activation of the cyclin D1 oncogene, often by amplification or rearrangement, is a major driver of multiple types of human tumors including breast and squamous cell cancers, B-cell lymphoma, myeloma, and parathyroid adenoma. The cyclin D1 gene is amplified or overexpressed in up to half of human breast cancers and its mammary-targeted overexpression induces mammary tumorigenesis in mice. Cyclin D1 encodes the regulatory subunit of the cyclin-dependent kinase (CDK) holoenzyme that phosphorylates several substrates including the retinoblastoma protein (pRb) to advance the G1S cell cycle checkpoint, promote DNA synthesis and regulate NRF-1 to inhibit mitochondrial biogenesis thereby coordinating nuclear and mitochondrial functions.
In addition to cyclin D1's function as a regulatory subunit of a CDK holoenzyme, several CDK-independent functions have been identified. Tumors overexpressing cyclin D1 tend to display normal levels of proliferation and expression of E2F target genes, which contrasts with tumors overexpressing cyclin E or an activator for pRb. Breast cancers overexpressing cyclin D1 that are wild type for pRb have relatively normal proliferation rates, in contrast to those caused by genetic inactivation of pRb, which show significantly increased proliferation rates. Furthermore, the alternate splice form of cyclin D1, (cyclin D1b), has potent transforming ability, which does not correlate with the ability to phosphorylate the pRb protein. Several other properties of cyclin D1 have been identified including the induction of cellular migration and enhanced angiogenesis, inhibition of mitochondrial biogenesis, and mediating DNA-damage repair signaling. Cyclin D1 binding proteins participating in these putatively CDK-independent functions include PACSIN2, NRF1, and p27KIP1; binding to p27KIP1 and PACSIN2 contribute to the pro-migratory function of cyclin D1.
Currently, pharmaceutical initiatives to inhibit cyclin D1 are focused on the catalytic component since the transforming capacity is thought to reside in the cyclin D1/CDK activity. We initiated the following study to directly test the oncogenic potential of catalytically inactive cyclin D1 in an in vivo mouse model that is relevant to breast cancer. Herein, transduction of cyclin D1-/- mouse embryonic fibroblasts (MEFs) with the kinase dead KE mutant of cyclin D1 led to aneuploidy, abnormalities in mitotic spindle formation, autosome amplification, and chromosomal instability (CIN) by gene expression profiling. Acute transgenic expression of either cyclin D1WT or cyclin D1KE in the mammary gland was sufficient to induce the CIN signature within 7 days. Sustained expression of cyclin D1KE induced mammary adenocarcinoma with similar kinetics to that of the wild-type cyclin D1. ChIP-Seq studies demonstrated recruitment of cyclin D1WT and cyclin D1KE to the genes governing CIN. We conclude that the CDK-activating function of cyclin D1 is not necessary to induce either chromosomal instability or mammary tumorigenesis.
Citation Information: Cancer Res 2013;73(24 Suppl): Abstract nr P5-07-06.
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Gounitsioti I, Poulimeneas D, Grammatikopoulou M, Tsolakidis D, Papanikolaou A, Tsigga M, Tarlatzis B. PP105-MON A PILOT STUDY ASSESSING PARAMETERS AND COMORBIDITIES DETERIORATING NUTRITIONAL STATUS IN PATIENTS WITH GYNECOLOGICAL CANCER POST-OPERATIVELY. Clin Nutr 2013. [DOI: 10.1016/s0261-5614(13)60416-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Baliaka A, Balis G, Michalopoulou-Manoloutsiou E, Papanikolaou A, Nikolaidou A. Primary angiosarcoma of bone. A case report. Hippokratia 2013; 17:180-182. [PMID: 24376329 PMCID: PMC3743628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND Primary malignant vascular tumors of bone are very rare accounting for less than 1% of primary bone malignancies. They are characterized by unknown etiology, variable biologic behavior and histological appearance. Angiosarcoma is an aggressive malignant vascular tumor derived from mesenchymal cells with endothelial differentiation. CASE REPORT We present a rare case of angiosarcoma of bone in a 47-year-old male operated for a lumbar disk herniation. During his transportation from the operation theater, a pathological intertrochanteric fracture of the right hip occured. The magnetic resonance imaging (MRI) revealed a bone lytic lesion located into the great trochanter of the right femur. Open surgical biopsy of the lesion was performed and the histological examination showed primary angiosarcoma of bone. The treatment included radiotherapy (300 cGy per fraction in 13 days) followed by excision of the proximal femur and custom made total hip arthroplasty. The diagnosis was confirmed on the surgical specimen.
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