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1.
Exp Brain Res ; 241(1): 301-311, 2023 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-36510035

RESUMO

When a voluntary action is followed by an effect after a short delay, the time distance between the action and its effect is perceived to be shorter than the actual time distance. This phenomenon is known as intentional binding (IB). We investigated the influence of presentation of an additional effect on IB between the action and the target effect, and investigated the influence of the presentation timing of the additional effect. One sound (target sound) was constantly presented 250 ms after the button was pressed, and the other sound (additional sound) was presented simultaneously when the button was pressed (Experiment 1) or at one of various timings that included moments both before and after the target sound (Experiment 2). The results showed that IB between the action and target sound was significantly inhibited only when the additional sound was presented prior to the target sound. This suggests that the prior effect has a greater advantage in connecting to the action compared to the posterior sound.


Assuntos
Desempenho Psicomotor , Percepção do Tempo , Humanos , Desempenho Psicomotor/fisiologia , Intenção , Percepção do Tempo/fisiologia , Som , Inibição Psicológica
2.
Cryobiology ; 108: 78-81, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-35870496

RESUMO

Technique for preserving limited number of human spermatozoa is important for successful treatment of patients with azoospermia and cryptozoospermia. This study determined whether the non-biological devices (Cryotop and Cell Sleeper) efficiently vitrify small numbers of human spermatozoa. From December 2011 to December 2018, 10 males with very low sperm numbers managed with a single sperm vitrification method. Post-warmed sperm recovery was similar with both devices. Post-warmed sperm motility and fertilization after intracytoplasmic sperm injection were significantly higher in Cryotop group than in Cell Sleeper group (40.0% vs. 22.0%, P < 0.01 and 50.7% vs. 21.7%, P < 0.01, respectively). The pregnancy rate was 15.4% and 2 healthy babies were born in the Cryotop, while 14.3% and 1 baby in the Cell Sleeper, which did not differ between the groups. Both devices have clinical advantages in terms of easy use and safety, and would be performed more efficiently by using devices with different properties.


Assuntos
Criopreservação , Oligospermia , Criopreservação/métodos , Feminino , Humanos , Recém-Nascido , Masculino , Gravidez , Sêmen , Motilidade dos Espermatozoides , Espermatozoides , Vitrificação
3.
Exp Brain Res ; 239(12): 3507-3525, 2021 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-34529107

RESUMO

Changing the speed, size and material properties of optic flow can significantly alter the experience of vection (i.e. visually induced illusions of self-motion). Until now, there has not been a systematic investigation of the effects of luminance contrast, averaged luminance and stimulus spatial frequency on vection. This study examined the vection induced by horizontally oriented gratings that continuously drifted downwards at either 20° or 60°/s. Each of the visual motion stimuli tested had one of: (a) six different levels of luminance contrast; (b) four different levels of averaged luminance; and (c) four different spatial frequencies. Our experiments showed that vection could be significantly altered by manipulating each of these visual properties. Vection strength increased with the grating's luminance contrast (in Experiment 1), its averaged luminance (in Experiment 2), and its spatial frequency (in Experiment 3). Importantly, interactions between these three factors were also found for the vection induced in Experiment 4. While simulations showed that these vection results could have been caused by effects on stimulus motion energy, differences in perceived grating visibility, brightness or speed may have also contributed to our findings.


Assuntos
Ilusões , Percepção de Movimento , Fluxo Óptico , Humanos , Movimento (Física)
4.
Reprod Med Biol ; 20(2): 182-189, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-33850451

RESUMO

PURPOSE: This study determined the effect of laser-assisted hatching on the clinical and neonatal outcomes of single vitrified blastocyst transfer. METHODS: From June 2014 to March 2018, 289 matched pairs after propensity score matching were analyzed. During the blastocyst warming procedure, a small section of the zona pellucida area in the empty perivitelline space was sliced off using multiple laser beams. The clinical and neonatal outcomes of the laser-treated group and non-treatment control were analyzed. RESULTS: In the laser-assisted hatching group, significantly higher rates of clinical pregnancy (40.8% vs 29.4%, P < .01) and live delivery (34.3% vs 22.5%, P < .01) were observed compared to the control group. Other variables such as the average gestational weeks, the sex of the baby, birthweight, or congenital malformations were found to have no significant differences in neonatal outcomes. Moreover, all babies were singleton live births. CONCLUSIONS: Single vitrified blastocyst transfer treated with laser-assisted hatching increases the live birth rate and has no adverse effects on neonatal outcomes.

5.
Reprod Med Biol ; 19(2): 198-205, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32273827

RESUMO

PURPOSE: Limited research has been published on the effect of piezo-assisted intracytoplasmic sperm injection (P-ICSI). We evaluated the effect of P-ICSI on the laboratory, clinical, and neonatal outcomes. METHODS: This retrospective study was based on the data collected between April 2011 and October 2016. Total 1348 mature oocytes from 145 patients were analyzed. Laboratory, clinical, and neonatal outcomes of those given conventional intracytoplasmic sperm injection (C-ICSI) and those administered P-ICSI were examined. RESULTS: P-ICSI showed significantly more favorable results, with a survival rate of 97.0% (C-ICSI: 94.1%, P < .010) and a fertilization rate of 83.5% (C-ICSI: 70.6%, P < .001). There were no differences in the blastocyst development rate, implantation rate, miscarriage rate, live birth rate, gestational age, birth weight, proportion of male neonates, cesarean section rate, and congenital abnormalities between the two patient groups. CONCLUSIONS: Our comparison of P-ICSI with C-ICSI showed that P-ICSI significantly improved the survival and fertilization.

6.
Reprod Med Biol ; 19(3): 270-276, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32684826

RESUMO

PURPOSE: Prolonged exposure to equilibration solutions may be detrimental to an embryo's developmental potential, whereas a shorter exposure may affect the penetration of cryoprotectants into blastomeres. The purpose of this study was to evaluate the effects of different equilibration times on the clinical and neonatal outcomes of human blastocyst vitrification. METHODS: This is a retrospective study based on data collected between November 2008 and November 2015. A total of 192 blastocysts (80 non-expanded and 112 expanded) obtained from 167 patients were analyzed. The blastocysts were divided into two groups according to their equilibration time: 8-11 minutes or 12-15 minutes. The clinical and neonatal outcomes of warmed blastocysts were evaluated. RESULTS: The survival, implantation, and live birth rates of non-expanded blastocysts were not different between the two groups, but they significantly improved for the expanded blastocysts in the 12-15 minutes group compared to the 8-11 minutes group. The results were similar for the neonatal outcomes after vitrified embryo transfer, when partitioned by equilibration time and blastocyst stage at vitrification. CONCLUSIONS: For the non-expanded blastocysts, a shortened equilibration time (8-11 minutes) is sufficient for effective vitrification.

7.
Reprod Med Biol ; 18(3): 284-289, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31312108

RESUMO

PURPOSE: Microsuction (MS) is a technique for mechanically emptying fluid from blastocele using a microneedle. In this study, we evaluated the improvement in clinical and neonatal outcomes of vitrified blastocyst transfer programs when MS of blastocelic fluid was used before vitrification. METHODS: This was a retrospective study based on data collected between March 2014 and August 2016. A total of 317 blastocysts obtained from 211 patients were analyzed. The blastocelic fluid of expanded blastocysts was aspirated completely, and blastocysts were collapsed prior to vitrification. Clinical and neonatal outcomes of warmed blastocysts were compared. RESULTS: The survival rate of the MS blastocyst was significantly higher compared with the nontreatment control (98.7% vs 89.3%, OR: 9.34, 95% CI: 2.35-36.8, P < 0.01). The rates of implantation and live birth were higher in the MS group than in the control group, but the differences were not significant. There were no differences in gestational age, birthweight, proportion of male babies, rates of cesarean section, and congenital abnormalities. CONCLUSION: The MS procedure improved blastocyst survival and had little effect on further embryo development after warming.

8.
Am J Obstet Gynecol ; 218(6): 621, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29793574

RESUMO

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editors-in-Chief. In 2012, a number of Editors-in-Chief requested a determination from several universities regarding the body of work published by Dr. Yoshitaka Fujii. An investigation by the University of Tsukaba, Japan, where the above work was conducted, concluded that Dr. Fujii made a false statement that the research had been approved by the Institutional Review Board and a false statement that he conducted the randomized clinical trial by himself. This retraction in AJOG was delayed due to an editorial oversight.

9.
Exp Brain Res ; 236(1): 243-252, 2018 01.
Artigo em Inglês | MEDLINE | ID: mdl-29159420

RESUMO

We examined the effect of the smoothness of motion on vection strength. The smoothness of stimulus motion was modulated by varying the number of frames comprising the movement. In this study, a horizontal grating translated through 360° of phase in 1 s divided into steps of 3, 4, 6, 12, 20, 30, or 60 frames. We hypothesized that smoother motion should induce stronger vection because the smoother stimulus is more natural and contains more motion energy. We examined this effect of frame number on vection for both downward (Experiment 1) and expanding (Experiment 2) optical flow. The results clearly showed that vection strength increased with increasing frame rate, however, the rates of increase in the vection strength with frame rate are not constant, but rapidly increase in the low frame-rate range and appear to asymptote in the high range. The strength estimates saturated at lower frame rates for expanding flow than for downward flow. This might be related to the fact that to process expanding flow it is necessary to integrate motion signals across the visual field. We conclude that the smoothness of the motion stimulus highly affects vection induction.


Assuntos
Ilusões/fisiologia , Percepção de Movimento/fisiologia , Fluxo Óptico/fisiologia , Reconhecimento Visual de Modelos/fisiologia , Adulto , Feminino , Humanos , Masculino , Adulto Jovem
12.
World J Surg ; 41(8): 2033-2038, 2017 08.
Artigo em Inglês | MEDLINE | ID: mdl-28324142

RESUMO

BACKGROUND: We believe the merit of preservation of a part of the thymus following surgery for thymoma. We evaluated the efficacy of partial or subtotal thymectomy for early-stage thymoma in the prospective study. METHODS: The Japanese Association for Research on the Thymus conducted a multiple institutional study of thymectomy for thymoma localized in the thymus without total thymectomy. Patients without autoimmune disease who had an anterior mediastinal tumor that had been clinically diagnosed as an early-stage thymoma were enrolled in the study. Patients who were positive for anti-acetylcholine receptor antibodies were excluded. RESULTS: Sixty-three patients were enrolled preoperatively; 27 patients were judged as being inappropriate based on the other thymic pathologies or tumor invasion. The remaining 36 cases were diagnosed as early-staged thymoma and analyzed. The mean age of the patients was 61 years. The mean maximal tumor diameter in the resected specimens was 3.6 cm. The most common pathological types of thymoma were AB (n = 10) and B1 (n = 10). The Masaoka stages were classified as stage I (n = 22) and II (n = 14). The mean observation period was 63 months. Two patients died due to respiratory dysfunction, which was not related to thymoma. One hundred percent of the patients remained recurrence-free. CONCLUSIONS: This prospective study suggested the efficacy of partial or subtotal thymectomy for early-stage thymoma in patients without any apparent evidence of autoimmune disease. We can preserve a part of the thymus even following surgery for thymoma to prepare the possible second malignancies or diseases in future.


Assuntos
Timectomia/métodos , Timoma/cirurgia , Neoplasias do Timo/cirurgia , Adulto , Idoso , Idoso de 80 Anos ou mais , Humanos , Pessoa de Meia-Idade , Estudos Prospectivos , Cirurgia Torácica Vídeoassistida , Timoma/patologia , Neoplasias do Timo/patologia
13.
World J Surg ; 40(11): 2688-2697, 2016 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-27365098

RESUMO

OBJECTIVE: A precise preoperative diagnosis of in situ or minimally invasive carcinoma may identify patients who can be treated by limited resection. Although some clinical trials of limited resection for lung cancer have started, it will take a long time before the results will be published. We have already reported a large-scale study of limited resection. We herein report the data for a subclass analysis according to differences in pathology. METHODS: Data from multiple institutions were collected on 1710 patients who had undergone limited resection (segmentectomy or wedge resection) for cT1N0M0 non-small cell carcinoma. The disease-free survival (DFS) and recurrence-free proportion (RFP) were analyzed. Small cell carcinomas and carcinoid tumors were excluded from this analysis. Adenocarcinomas were sub-classified into four groups using two factors, the ratio of consolidation to the tumor diameter (C/T) and the tumor diameter alone. RESULTS: The median patient age was 64 (20-75) years old. The mean maximal diameter of the tumors was 1.5 ± 0.5 cm. The DFS and RFP at 5 years based on the pathology were 92.2 and 94.7 % in adenocarcinoma (n = 1575), 76.3 and 82.4 % in squamous cell carcinoma (SqCC) (n = 100), and 73.6 and 75.9 % in patients with other tumors (n = 35). The prognosis of adenocarcinoma in both groups A (C/T ≤0.25 and tumor diameter ≤2.0 cm) and B (C/T ≤0.25 and tumor diameter >2.0 cm) was good. In SqCC, only segmentectomy was a favorable prognostic factor. In the groups with other pathologies, large cell carcinomas were worse in prognosis (the both DFS and RFP: 46.3 %). CONCLUSION: Knowing the pathological diagnosis is important to determine the indications for limited resection. Measurement of the tumor diameter and C/T was useful to determine the indications for limited resection for adenocarcinoma. Limited resection for adenocarcinomas is similar with a larger resection, while the technique should be performed with caution in squamous cell carcinoma and other pathologies.


Assuntos
Carcinoma in Situ/cirurgia , Carcinoma Pulmonar de Células não Pequenas/cirurgia , Neoplasias Pulmonares/cirurgia , Pneumonectomia/métodos , Adulto , Idoso , Carcinoma in Situ/patologia , Carcinoma Pulmonar de Células não Pequenas/patologia , Feminino , Humanos , Neoplasias Pulmonares/patologia , Masculino , Pessoa de Meia-Idade , Prognóstico , Resultado do Tratamento , Adulto Jovem
14.
Int J Clin Oncol ; 21(3): 539-47, 2016 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-26482374

RESUMO

BACKGROUND: Tamoxifen can reduce the occurrence of breast cancer by a half in high-risk women. Recently, a genome-wide association study identified two single-nucleotide polymorphisms (SNPs) near or in the CTSO and ZNF423 genes that were associated with breast cancer risk during tamoxifen therapy. We hypothesized that these two SNPs could be associated with increased recurrence in breast cancer patients who received adjuvant tamoxifen therapy. METHODS: A total of 586 breast carcinomas were available for SNP genotyping assays. TaqMan pre-designed SNP genotyping assays were used to identify the presence of CTSO rs10030044 and ZNF423 rs8060157. We then investigated the relationship between CTSO rs10030044 genotypes and mRNA expression levels of CTSO and BRCA1 in 290 breast cancer patients. RESULTS: We found a positive correlation between the variant GG genotype of CTSO rs10030044 and shorter disease-free survival, or overall survival in hormone receptor-positive breast cancer patients receiving adjuvant tamoxifen therapy. In contrast, this genotype was not associated with prognosis in hormone receptor-negative breast cancer patients. Multivariate Cox regression analysis revealed that this genotype was an independent factor indicating a poor prognosis in hormone receptor-positive breast cancer patients receiving adjuvant tamoxifen therapy. No association was found between CTSO genotype and mRNA expression of CTSO and BRCA1. ZNF423 rs8060157 genotype was not associated with prognosis in this study. CONCLUSION: We show that a SNP near the CTSO gene is a poor prognostic factor in breast cancer although further research might help to reveal the factors linking this genotype and prognosis.


Assuntos
Antineoplásicos Hormonais/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/genética , Catepsinas/genética , Proteínas de Ligação a DNA/genética , Recidiva Local de Neoplasia/genética , Tamoxifeno/uso terapêutico , Proteína BRCA1/genética , Neoplasias da Mama/química , Quimioterapia Adjuvante , Intervalo Livre de Doença , Feminino , Genótipo , Humanos , Pessoa de Meia-Idade , Polimorfismo de Nucleotídeo Único , Prognóstico , Proteínas , RNA Mensageiro/análise , Receptor ErbB-2/análise , Receptores de Estrogênio/análise , Receptores de Progesterona/análise
15.
Surg Today ; 45(7): 871-5, 2015 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-25319216

RESUMO

INTRODUCTION: The number of cases of wedge resection of small-sized pulmonary nodules performed under video-assisted thoracoscopic surgery (VATS) is increasing. Computed tomography (CT)-guided marking with hook wires has been used to locate the nodules that are not identifiable under VATS. However, this method is invasive and is associated with a risk of complications. METHODS: We evaluated the usefulness of marking the pleural surface above the nodule using crystal violet for 22 small-sized pulmonary nodules. Following the collapse of the lung, a long stick with a cotton tip dipped in crystal violet was inserted from the thoracic port or a small thoracotomy, and was placed against the inside of the chest wall right above the nodule with reference to the preoperative CT image. The lung was then expanded, and the crystal violet-infiltrated tip stained the visceral pleura. Regardless of the marking point, wedge resection of the lung was performed. To evaluate the accuracy of the marking, we measured the distance from the center of the marking to the point on the visceral pleural nearest to the nodule (DMN) in the resected lung specimen. RESULTS: This marking method caused no morbidity during or after the operation. The DMN ranged between 0 and 50 mm (mean ± SD 18.2 ± 12.6 mm). In 18 of 22 cases (81.8%), the DMN was 20 mm or less. CONCLUSIONS: The intraoperative marking method using crystal violet was performed with reasonable accuracy. It also caused no morbidity. It was easy and non-invasive. This method can be used in the cases in which CT-guided percutaneous marking is not feasible due to the nodule's location.


Assuntos
Adenocarcinoma/cirurgia , Carcinoma de Células Escamosas/cirurgia , Corantes , Violeta Genciana , Neoplasias Pulmonares/cirurgia , Pneumonectomia/métodos , Cirurgia Torácica Vídeoassistida/métodos , Adenocarcinoma/diagnóstico por imagem , Idoso , Idoso de 80 Anos ou mais , Carcinoma de Células Escamosas/diagnóstico por imagem , Feminino , Humanos , Neoplasias Pulmonares/diagnóstico por imagem , Masculino , Pessoa de Meia-Idade , Tomografia Computadorizada por Raios X
16.
BMC Cancer ; 14: 990, 2014 Dec 20.
Artigo em Inglês | MEDLINE | ID: mdl-25528056

RESUMO

BACKGROUND: There are many molecular differences between estrogen receptor α (ERα)-positive and ER-negative breast cancers. Recent analyses have shown that the former can be divided into two subtypes, luminal A and luminal B. These differ in response to endocrine therapy and chemotherapy, and in prognosis. In a previous study, we found that microRNA (miR)-1290 that was significantly down-regulated in luminal A tumors and its potential target arylamine N-acetyltransferase 1 (NAT1). The aim of the present study was to determine whether NAT1 is a bona fide target of miR-1290, and to investigate the impact of NAT1 on breast cancer prognosis. METHODS: Luciferase reporter assays were employed to validate NAT1 as a putative miR-1290 target gene. Expression of NAT1, ERα, progesterone receptor (PgR) and HER2 was analyzed in 394 breast cancer samples by immunohistochemistry. RESULTS: NAT1 was confirmed to be a direct target of miR-1290. Levels of expression of NAT1 were positively correlated with those of ERα (P < 0.0001) and PgR (P < 0.0001), but negatively correlated with both tumor grade and size (P < 0.0001). Kaplan-Meier analysis showed that the presence of NAT1 was significantly associated with increased overall survival (OS) (P = 0.0416) in these patients. Similarly, significant associations of NAT1 with disease-free survival (DFS) (P = 0.0048) and OS (P = 0.0055) in those patients who received adjuvant endocrine therapy with tamoxifen (n = 176) were found. Moreover, NAT1 was also significantly associated with increased DFS (P = 0.0025) and OS (P = 0.0007) in the subset of lymph node-positive patients (n = 147). Univariate and multivariate analyses showed significant associations between levels of NAT1 and DFS (P = 0.0005 and 0.019, respectively). CONCLUSIONS: We report that miR-1290 directly targets the NAT1 3'-UTR and that NAT1 protein expression is correlated with improved OS of breast cancer patients. NAT1 is a possible prognostic biomarker for lymph node-positive breast cancer. Thus, miR-1290 and its target NAT1 are associated with important characteristics of breast cancer.


Assuntos
Arilamina N-Acetiltransferase/genética , Neoplasias da Mama/genética , Neoplasias da Mama/mortalidade , Isoenzimas/genética , MicroRNAs/genética , Interferência de RNA , RNA Mensageiro/genética , Regiões 3' não Traduzidas , Adulto , Idoso , Idoso de 80 Anos ou mais , Animais , Sequência de Bases , Sítios de Ligação , Biomarcadores , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/patologia , Feminino , Humanos , MicroRNAs/química , Pessoa de Meia-Idade , Gradação de Tumores , Metástase Neoplásica , Prognóstico , RNA Mensageiro/química , Carga Tumoral
17.
Jpn J Clin Oncol ; 44(7): 619-23, 2014 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-24803549

RESUMO

OBJECTIVE: Human epidermal growth factor receptor 2 (HER2) gene amplification is a major therapeutic target in breast cancer, and has been introduced as a predictive biomarker to identify patients who may benefit from therapy with anti-human epidermal growth factor receptor 2 agents. Human epidermal growth factor receptor 2 somatic mutations have been reported in patients without human epidermal growth factor receptor 2 gene amplification. Since these are activating mutations, these patients may also benefit from human epidermal growth factor receptor 2-targeted drugs. METHODS: In this study, we searched for human epidermal growth factor receptor 2 mutations in a group of 286 Japanese breast cancer patients with human epidermal growth factor receptor 2-negative tumors. The activating mutations of human epidermal growth factor receptor 2 identified were analyzed by direct Sanger sequencing of two major areas: the extracellular domain at 309-310 and the kinase domain between 755 and 781. RESULTS: Two tumors were found to have a human epidermal growth factor receptor 2 somatic mutation; one with I767M mutation and another with D769Y. No mutation was observed in the extracellular domain. One of these patients with human epidermal growth factor receptor 2 mutation recurred early with liver metastasis. CONCLUSIONS: Better knowledge of human epidermal growth factor receptor 2 mutation status will help us to choose personalized molecular targeted therapy for use in human epidermal growth factor receptor 2-negative Japanese breast cancer patients.


Assuntos
Povo Asiático/estatística & dados numéricos , Neoplasias da Mama/genética , Carcinoma Ductal de Mama/genética , Amplificação de Genes , Mutação , Receptor ErbB-2/genética , Adulto , Antineoplásicos/farmacologia , Ácido Aspártico , Biomarcadores Tumorais/genética , Neoplasias da Mama/epidemiologia , Neoplasias da Mama/patologia , Carcinoma Ductal de Mama/epidemiologia , Carcinoma Ductal de Mama/patologia , Feminino , Regulação Neoplásica da Expressão Gênica , Humanos , Imuno-Histoquímica , Hibridização in Situ Fluorescente , Isoleucina , Japão/epidemiologia , Metionina , Pessoa de Meia-Idade , Terapia de Alvo Molecular , Mutação/efeitos dos fármacos , Gradação de Tumores , Reação em Cadeia da Polimerase , Análise de Sequência de DNA , Tirosina
18.
Jpn J Clin Oncol ; 44(10): 889-97, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25163465

RESUMO

OBJECTIVE: Over 70% of breast cancers are estrogen receptor alpha-positive, and endocrine therapy targeting estrogen action decreases mortality from breast cancer. Recently, a novel protein kinase that regulates estrogen receptor alpha activity, lemur tyrosine kinase-3, has been identified. In this study, we investigated whether messenger RNA expression and polymorphisms of the gene encoding the kinase, LMTK3, are associated with prognosis in breast cancer patients during long-term follow-up. METHODS: First, we investigated the relationship between messenger RNA expression of LMTK3 and patient outcome in 219 breast cancers. The effects of several variables on survival were tested by Cox proportional hazards regression analysis. Next, we performed LMTK3 genotyping in 471 breast cancers to clarify the prognostic role of these polymorphisms. RESULTS: Our data showed that LMTK3 expression level was not associated with prognosis in all patients. We then analyzed the impact of LMTK3 mRNA expression on the prognosis of breast cancer according to estrogen receptor alpha status. Both disease-free survival and overall survival were significantly shorter in estrogen receptor alpha-positive patients with high LMTK3 expression receiving adjuvant endocrine therapy than in those patients with low LMTK3 expression. Multivariate Cox regression analysis revealed that high LMTK3 expression was an independent poor prognostic factor in estrogen receptor alpha-positive breast cancer patients. We did not find any correlation between LMTK3 genotypes and prognosis of breast cancer patients in our series. CONCLUSIONS: Our results show that high expression of LMTK3 is an independent prognostic factor in estrogen receptor alpha-positive breast cancer patients receiving adjuvant endocrine therapy.


Assuntos
Biomarcadores Tumorais/análise , Neoplasias da Mama/metabolismo , Neoplasias da Mama/patologia , Receptor alfa de Estrogênio/metabolismo , Proteínas de Membrana/metabolismo , Polimorfismo de Nucleotídeo Único , Proteínas Serina-Treonina Quinases/metabolismo , Adulto , Neoplasias da Mama/química , Carcinoma Ductal de Mama , Intervalo Livre de Doença , Receptor alfa de Estrogênio/análise , Feminino , Regulação Neoplásica da Expressão Gênica , Genótipo , Humanos , Imuno-Histoquímica , Estimativa de Kaplan-Meier , Proteínas de Membrana/análise , Proteínas de Membrana/genética , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Prognóstico , Modelos de Riscos Proporcionais , Proteínas Serina-Treonina Quinases/análise , Proteínas Serina-Treonina Quinases/genética , RNA Mensageiro/metabolismo , Reação em Cadeia da Polimerase em Tempo Real , Receptor ErbB-2/análise , Receptores de Progesterona/análise , Transdução de Sinais , Regulação para Cima
19.
Surg Today ; 44(10): 1817-22, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-24065193

RESUMO

PURPOSE: The purpose of this study was to determine the clinicopathological findings and prognosis of small-sized anterior mediastinal tumors (SSAMTs). METHODS: A retrospective study was conducted on 43 patients who underwent surgery between January 1989 and December 2011 for SSAMTs. RESULTS: From the preoperative radiological findings, the tumors were classified into solid (n = 28) and cystic lesions (n = 15). The pathological diagnoses of the solid lesions included thymoma (n = 24), thymic carcinoma (n = 1), mucosa-associated lymphoid tissue lymphoma (n = 1), teratoma (n = 1) and neurofibroma (n = 1), and those of the cystic lesions included thymic cysts (n = 8), thymoma (n = 3), bronchogenic cysts (n = 2), teratoma, (n = 1) and a pericardial cyst (n = 1). The 27 thymomas were composed of stages I (n = 22), II (n = 3), III (n = 1) and IVb (n = 1). The overall survival in the 43 patients was 97.1 % at 5 years. In the 28 patients with solid lesions, the overall survival was 95.8 % at 5 years. All patients with cystic lesions were still alive at the last follow-up. CONCLUSION: Cystic lesions of SSAMTs were benign lesions or stage I thymoma, and most of the solid lesions of SSAMTs were stage I or II thymomas. SSAMTs are good candidates for video-assisted thoracic surgery procedures, as conversion to sternotomy can be selected based on the intraoperative findings of pericardial invasion and a rapid pathological diagnosis of thymic carcinoma.


Assuntos
Neoplasias do Mediastino/patologia , Timoma/patologia , Neoplasias do Timo/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Linfoma de Zona Marginal Tipo Células B/classificação , Linfoma de Zona Marginal Tipo Células B/diagnóstico , Linfoma de Zona Marginal Tipo Células B/patologia , Linfoma de Zona Marginal Tipo Células B/cirurgia , Imageamento por Ressonância Magnética , Masculino , Neoplasias do Mediastino/classificação , Neoplasias do Mediastino/diagnóstico , Neoplasias do Mediastino/cirurgia , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Neurofibroma/classificação , Neurofibroma/diagnóstico , Neurofibroma/patologia , Neurofibroma/cirurgia , Prognóstico , Esternotomia , Teratoma/classificação , Teratoma/diagnóstico , Teratoma/patologia , Teratoma/cirurgia , Cirurgia Torácica Vídeoassistida , Timoma/classificação , Timoma/diagnóstico , Timoma/cirurgia , Neoplasias do Timo/classificação , Neoplasias do Timo/diagnóstico , Neoplasias do Timo/cirurgia , Tomografia Computadorizada por Raios X , Adulto Jovem
20.
J Vis ; 14(2)2014 Feb 19.
Artigo em Inglês | MEDLINE | ID: mdl-24554479

RESUMO

Information about the motion in depth of an object along the midline of a stationary observer is provided by changes in image size (looming), changes in vergence produced by changes in binocular disparity of the images of the object, and changes in relative disparity between the moving object and a stationary object. Each of these cues was independently varied in the dichoptiscope, which is described in Howard, Fukuda, and Allison (2013). The stimuli were a small central dot and a textured surface moving to and fro in depth along the midline. Observers tracked the motion with the unseen hand. Image looming was normal or absent. The change in vergence was absent, normal, more than normal, or reversed relative to normal. Changing relative disparity between the moving stimulus and a stationary surface was present or absent. Changing vergence alone produced no motion in depth for the textured surface but it produced some motion of the dot. Looming alone produced strong motion in depth for the texture but not for the dot. When the direction of motion indicated by looming was opposite that indicated by changing relative disparity observers could use either cue. The cues dissociated rather than combined.


Assuntos
Sinais (Psicologia) , Percepção de Profundidade/fisiologia , Percepção de Movimento/fisiologia , Humanos , Estimulação Luminosa/métodos , Disparidade Visual/fisiologia
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