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Objective: To evaluate the safety and efficacy of interventional therapy (iodine-125[125I] seed strand and portal vein stent [PVS] implantation plus transarterial chemoembolization [TACE]) combined with systemic therapy (lenvatinib plus anti-PD-1 antibody) as first-line treatment for hepatocellular carcinoma (HCC) patients with Vp4 portal vein tumor thrombus (PVTT). Patients and methods: From December 2018 to October 2021, 87 HCC patients with Vp4 PVTT were included in this single-center retrospective study. Forty-seven patients underwent interventional therapy combined with lenvatinib and anti-PD-1 antibody (group A), while 40 cases underwent interventional therapy combined with lenvatinib only (group B). Overall response rate (ORR), stent occlusion rates (SOR), median overall survival (OS), median progression-free survival (PFS) and median stent patency time (SPT) were compared between the 2 groups. Results: The mean intended dose (r = 10 mm; z = 0; 240 days) was 64.9 ± 1.0 Gy and 64.5 ± 1.1 Gy in group A and B, respectively (p = 0.133). ORR and SOR were significantly different between group A and B (ORR, 55.3% vs 17.5%, p < 0.001; SOR, 12.8% vs 35.0%, p = 0.014). In the propensity-score matching (PSM) cohort, the median OS, median PFS and median SPT were significantly longer in group A compared with group B (32 PSM pairs; OS, 17.7 ± 1.7 vs 12.0 ± 0.8 months, p = 0.010; PFS, 17.0 ± 4.3 vs 8.0 ± 0.7 months, p < 0.001; SPT, not-reached vs 12.5 ± 1.1 months, p = 0.028). Conclusion: This interventional therapy combined with lenvatinib and anti-PD-1 antibody is safe and effective for HCC patients with Vp4 PVTT.
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PURPOSE: The aim of this study was to compare the safety and efficacy of transhepatic puncture tract embolization with n-butyl cyanoacrylate (n-BCA) versus coils after percutaneous transhepatic portal vein interventions in patients with hepatocellular carcinoma (HCC). It was also the aim of the study to evaluate the extent of artifacts in CT exams during FU. METHODS: Single-center retrospective study from 2017-2019 in 190 patients who underwent percutaneous transhepatic portal vein interventions. The transhepatic puncture tracts were embolized with n-BCA in 88 patients (Group A) and with coils in 102 patients (Group B). Procedure-related complications and image noise around coils and n-BCA were compared between the groups. No significant differences were noted at baseline between both groups (platelets, coagulation, liver disease, types of procedures, liver function, liver tumors). RESULTS: All patients underwent transhepatic puncture tract embolization. Procedure-related complications were only observed in patients from Group B: subcapsular hemorrhage (n = 2; 1.96%), hepatic artery hemorrhage (n = 1; 0.98%), and pseudoaneurysms combined with hemobilia occurred (n = 1; 0.98%). In Group A, the distal part of the punctured portal vein branch was embolized with n-BCA in 1 patient (1.14%). Four major complications in Group B Vs 0 in Group A were observed, respectively (p < 0.0001). The image noise around n-BCA was significantly lower than that around coils (10.7 ± 1.7 HU vs. 54.3 ± 15.0 HU, p < .001). CONCLUSIONS: n-BCA tract embolization is more effective than using coils, with fewer bleeding events, at the cost of a higher potential for unintended embolization of portal vein branches.
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Carcinoma Hepatocelular , Enbucrilato , Neoplasias Hepáticas , Carcinoma Hepatocelular/diagnóstico por imagen , Carcinoma Hepatocelular/terapia , Humanos , Neoplasias Hepáticas/diagnóstico por imagen , Neoplasias Hepáticas/terapia , Vena Porta/diagnóstico por imagen , Estudios Retrospectivos , Resultado del TratamientoRESUMEN
Cyclin E is a key factor for S phase entry, and deregulation of Cyclin E results in developmental defects and tumors. Therefore, proper cycling of Cyclin E is crucial for normal growth. Here we found that transcription factors Apontic (Apt) and E2f1 cooperate to induce cyclin E in Drosophila. Functional binding motifs of Apt and E2f1 are clustered in the first intron of Drosophila cyclin E and directly contribute to the cyclin E transcription. Knockout of apt and e2f1 together abolished Cyclin E expression. Furthermore, Apt up-regulates Retinoblastoma family protein 1 (Rbf1) for proper chromatin compaction, which is known to repress cyclin E. Notably, Apt-dependent up-regulation of Cyclin E and Rbf1 is evolutionarily conserved in mammalian cells. Our findings reveal a unique mechanism underlying the induction and subsequent decline of Cyclin E expression.
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PURPOSE: The aim of this study was to evaluate the safety and efficacy of transcatheter arterial embolization (TAE) in patients with renal hemorrhage after percutaneous nephrolithotomy (PCNL) and evaluate the risk factors that may result in severe bleeding requiring TAE. METHODS: We retrospectively reviewed 121 patients with post-PCNL renal hemorrhage. Thirty-two patients receiving endovascular embolization were compared with 89 patients only receiving conservative treatment. The demographic and clinical data were recorded and compared between the two groups. The values of estimated glomerular filtration rate (eGFR) and serum creatinine (SCr) were recorded preoperatively, postoperatively, and at last follow-up and analyzed to evaluate the safety and efficiency of TAE. RESULTS: The successful hemostasis rate of conservative therapy was 73.6% (89/121) and that of TAE was 100% (32/32). SCr and eGFR were not significantly different before PCNL and after the last follow-up of TAE (SCr: 0.95 vs. 0.95 mg/dl, P=0.857; eGFR: 86.77 vs. 86.18 ml/min/1.73m2, P=0.715). The univariate analysis demonstrated that advanced age, urinary tract infection, and diabetes mellitus were significantly associated with severe bleeding during PCNL. Multivariate analysis further identified that diabetes mellitus was an independent risk factor for severe bleeding needing TAE [odds ratio (OR): 3.778, 95% confidence interval (CI):1.276-11.190, and P=0.016]. CONCLUSION: TAE is a safe and effective procedure to treat renal hemorrhage that cannot be resisted by conservative treatment after PCNL. Diabetes mellitus was associated with high risks of severe bleeding needing TAE after PCNL.
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Cateterismo , Embolización Terapéutica , Hemorragia/terapia , Nefrolitotomía Percutánea , Femenino , Humanos , Modelos Logísticos , Masculino , Persona de Mediana Edad , Análisis Multivariante , Arteria Renal/diagnóstico por imagen , Resultado del TratamientoRESUMEN
PURPOSE: To evaluate the safety and efficacy of iodine-125 (125I) seed strand implantation in combination with transarterial chemoembolization for the treatment of hepatitis B-related unresectable hepatocellular carcinoma (HCC) with portal vein invasion. MATERIALS AND METHODS: From January 2013 to June 2016, 76 HCC patients with type II tumor thrombus were included in this single-center retrospective study. Twenty patients underwent 125I seed strand implantation combined with transarterial chemoembolization (group A; n = 20), while 56 patients underwent transarterial chemoembolization alone (group B; n = 56). The procedure-related and radiation complications were assessed. Overall survivals were compared by propensity-score analysis. RESULTS: The technique was successfully performed in all patients. The mean intended dose (r = 10 mm; z = 0; 240 days) was 62.6 ± 1.8 Gy. No grade 3 or 4 adverse events related to the procedure occurred in either group. After propensity-score-matching analysis, 19 patients were selected into each group, respectively. In the propensity-matching cohort, the median overall survival time was significantly longer in group A than in the group B (19 pairs; 28.0 ± 2.4 vs 8.7 ± 0.4 mo; P = .001). Treatment strategy, arterioportal shunt, and number of transarterial chemoembolization sessions were significant predictors of favorable overall survival time. CONCLUSIONS: 125I seed strand implantation combined with transarterial chemoembolization is a safe and effective treatment for HCC patients with portal vein invasion.
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Carcinoma Hepatocelular/terapia , Quimioembolización Terapéutica , Quimioradioterapia/métodos , Radioisótopos de Yodo/administración & dosificación , Neoplasias Hepáticas/terapia , Vena Porta/efectos de los fármacos , Vena Porta/efectos de la radiación , Radiofármacos/administración & dosificación , Adolescente , Adulto , Anciano , Carcinoma Hepatocelular/diagnóstico por imagen , Carcinoma Hepatocelular/mortalidad , Carcinoma Hepatocelular/patología , Quimioembolización Terapéutica/efectos adversos , Quimioembolización Terapéutica/mortalidad , Quimioradioterapia/efectos adversos , Quimioradioterapia/mortalidad , China , Femenino , Humanos , Radioisótopos de Yodo/efectos adversos , Neoplasias Hepáticas/diagnóstico por imagen , Neoplasias Hepáticas/mortalidad , Neoplasias Hepáticas/patología , Masculino , Persona de Mediana Edad , Análisis Multivariante , Invasividad Neoplásica , Vena Porta/diagnóstico por imagen , Vena Porta/patología , Puntaje de Propensión , Modelos de Riesgos Proporcionales , Dosis de Radiación , Radiofármacos/efectos adversos , Estudios Retrospectivos , Factores de Riesgo , Tomografía Computarizada por Tomografía Computarizada de Emisión de Fotón Único , Factores de Tiempo , Resultado del Tratamiento , Adulto JovenRESUMEN
AIM: To evaluate the safety and efficacy of combined endovascular brachytherapy (EVBT), transarterial chemoembolization (TACE), and sorafenib to treat hepatocellular carcinoma (HCC) patients with main portal vein tumor thrombus (MPVTT). METHODS: This single-center retrospective study involved 68 patients with unresectable HCC or those who were unfit for liver transplantation and percutaneous frequency ablation according to the BCLC classification. All patients had Child-Pugh classification grade A or B, Eastern Cooperative Oncology Group (ECOG) performance status of 0-2, and MPVTT. The patients received either EVBT with stent placement, TACE, and sorafenib (group A, n = 37), or TACE with sorafenib (group B, n = 31). The time to progression (TTP) and overall survival (OS) were evaluated by propensity score analysis. RESULTS: In the entire cohort, the 6-, 12-, and 24-mo survival rates were 88.9%, 54.3%, and 14.1% in group A, and 45.8%, 0%, and 0% in group B, respectively (P < 0.001). The median TTP and OS were significantly longer in group A than group B (TTP: 9.0 mo vs 3.4 mo, P < 0.001; OS: 12.3 mo vs 5.2 mo, P < 0.001). In the propensity score-matched cohort, the median OS was longer in group A than in group B (10.3 mo vs 6.0 mo, P < 0.001). Similarly, the median TTP was longer in group A than in group B (9.0 mo vs 3.4 mo, P < 0.001). Multivariate Cox analysis revealed that the EVBT combined with stent placement, TACE, and sorafenib strategy was an independent predictor of favorable OS (HR = 0.18, P < 0.001). CONCLUSION: EVBT combined with stent placement, TACE, and sorafenib might be a safe and effective palliative treatment option for MPVTT.
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Carcinoma Hepatocelular/terapia , Neoplasias Hepáticas/terapia , Cuidados Paliativos/métodos , Vena Porta/patología , Trombosis de la Vena/terapia , Antineoplásicos/uso terapéutico , Braquiterapia/efectos adversos , Braquiterapia/instrumentación , Braquiterapia/métodos , Carcinoma Hepatocelular/complicaciones , Carcinoma Hepatocelular/mortalidad , Carcinoma Hepatocelular/patología , Quimioembolización Terapéutica/efectos adversos , Quimioembolización Terapéutica/métodos , Terapia Combinada/efectos adversos , Terapia Combinada/métodos , Femenino , Humanos , Neoplasias Hepáticas/complicaciones , Neoplasias Hepáticas/mortalidad , Neoplasias Hepáticas/patología , Masculino , Persona de Mediana Edad , Niacinamida/análogos & derivados , Niacinamida/uso terapéutico , Compuestos de Fenilurea/uso terapéutico , Puntaje de Propensión , Estudios Retrospectivos , Sorafenib , Stents , Tasa de Supervivencia , Resultado del Tratamiento , Trombosis de la Vena/etiologíaRESUMEN
Hedgehog (Hh) signaling pathway and Cyclin E are key players in cell proliferation and organ development. Hyperactivation of hh and cyclin E has been linked to several types of cancer. However, coordination of the expression of hh and cyclin E was not well understood. Here we show that an evolutionarily conserved transcription factor Apontic (Apt) directly activates hh and cyclin E through its binding site in the promoter regions of hh and cyclin E. This Apt-dependent proper expression of hh and cyclin E is required for cell proliferation and development of the Drosophila wing. Furthermore, Fibrinogen silencer-binding protein (FSBP), a mammalian homolog of Apt, also positively regulates Sonic hh (Shh), Desert hh (Dhh), Cyclin E1 (CCNE1) and Cyclin E2 (CCNE2) in cultured human cells, suggesting evolutionary conservation of the mechanism. Apt-mediated expression of hh and cyclin E can direct proliferation of Hh-expressing cells and simultaneous growth, patterning and differentiation of Hh-recipient cells. The discovery of the simultaneous expression of Hh and principal cell-cycle regulator Cyclin E by Apt implicates insight into the mechanism by which deregulated hh and cyclin E promotes tumor formation.
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Tipificación del Cuerpo/genética , Ciclina E/genética , Proteínas de Unión al ADN/genética , Proteínas de Drosophila/genética , Drosophila melanogaster/genética , Proteínas Hedgehog/genética , Factores de Transcripción/genética , Alas de Animales/metabolismo , Animales , Secuencia de Bases , Sitios de Unión , Evolución Biológica , Proteínas Portadoras/genética , Proteínas Portadoras/metabolismo , Proliferación Celular , Transformación Celular Neoplásica/genética , Transformación Celular Neoplásica/metabolismo , Transformación Celular Neoplásica/patología , Secuencia Conservada , Ciclina E/metabolismo , Ciclinas/genética , Ciclinas/metabolismo , Proteínas de Unión al ADN/metabolismo , Proteínas de Drosophila/metabolismo , Drosophila melanogaster/citología , Drosophila melanogaster/crecimiento & desarrollo , Drosophila melanogaster/metabolismo , Femenino , Proteínas Fetales/genética , Proteínas Fetales/metabolismo , Regulación del Desarrollo de la Expresión Génica , Células HEK293 , Proteínas Hedgehog/metabolismo , Humanos , Péptidos y Proteínas de Señalización Intracelular , Masculino , Proteínas Oncogénicas/genética , Proteínas Oncogénicas/metabolismo , Regiones Promotoras Genéticas , Unión Proteica , Transducción de Señal , Factores de Transcripción/metabolismo , Alas de Animales/citología , Alas de Animales/crecimiento & desarrolloRESUMEN
Vlasouliolides A-D (1-4), four rare sesquiterpene lactone dimers, were isolated from Vladimiria souliei. The common structural characteristic of 1-4 is the C32 skeleton comprising two sesquiterpene lactone units linked by a C11-C13' single bond with one acetyl connected to the C-13 position of one of the two sesquiterpene lactone units. The stereochemistries of 1-4 were assigned by a combination of NOESY correlations and Cu-Κα X-ray crystallographic analyses. Compounds 1-4 strongly inhibited the production of NO in LPS-stimulated RAW 264.7 cells. Furthermore, 1 and 2 inhibited the activation of NF-κB in LPS-induced 293T cells.
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Antiinflamatorios/farmacología , Asteraceae/química , Lactonas/farmacología , Sesquiterpenos/farmacología , Animales , Antiinflamatorios/química , Cristalografía por Rayos X , Dimerización , Células HEK293 , Humanos , Lactonas/química , Lipopolisacáridos/farmacología , Macrófagos/efectos de los fármacos , Macrófagos/metabolismo , Ratones , Estructura Molecular , Óxido Nítrico/biosíntesis , Células RAW 264.7 , Sesquiterpenos/químicaRESUMEN
Hepatocellular carcinoma (HCC) patients with main portal vein tumor thrombus have a median survival time of only about 4 months. We therefore compared the safety and efficacy of endovascular brachytherapy (EVBT) and sequential three-dimensional conformal radiotherapy (3-DCRT). From a cohort of 176 patients, we treated 123 with EVBT using iodine-125 seed strands (group A) and the remaining 53 with sequential 3-DCRT (group B). Overall survival, progression free survival and stent patency characteristics were compared between the two groups. Our analysis demonstrated a median survival of 11.7 ± 1.2 months in group A versus 9.5 ± 1.8 months in group B (p = 0.002). The median progression free survival was 5.3 ± 0.7 months in groupA versus 4.4 ± 0.4 months in group B (p = 0.010). The median stent patency period was 10.3 ± 1.1 months in group A versus 8.7 ± 0.7 months in group B (p = 0.003). Therefore, as compared to sequential 3-DCRT, EVBT combined with portal vein stenting and TACE improved overall survival of HCC patients with main portal vein tumor thrombus.
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Braquiterapia/métodos , Carcinoma Hepatocelular/terapia , Quimioembolización Terapéutica/métodos , Neoplasias Hepáticas/terapia , Vena Porta/cirugía , Stents , Trombosis de la Vena/terapia , Adulto , Anciano , Carcinoma Hepatocelular/complicaciones , Terapia Combinada , Supervivencia sin Enfermedad , Femenino , Humanos , Estimación de Kaplan-Meier , Neoplasias Hepáticas/complicaciones , Masculino , Persona de Mediana Edad , Análisis Multivariante , Vena Porta/patología , Estudios Retrospectivos , Resultado del Tratamiento , Trombosis de la Vena/complicacionesAsunto(s)
Neoplasias de los Genitales Masculinos/diagnóstico por imagen , Hemangioma Cavernoso/diagnóstico por imagen , Escroto/diagnóstico por imagen , Neoplasias de los Genitales Masculinos/patología , Neoplasias de los Genitales Masculinos/cirugía , Hemangioma Cavernoso/patología , Hemangioma Cavernoso/cirugía , Humanos , Masculino , Escroto/irrigación sanguínea , Resultado del Tratamiento , Ultrasonografía Doppler en Color , Adulto JovenRESUMEN
The new highly oxygenated germacranolides cernuumolides A-J (1-10) and the known compounds 11-20 were isolated from Carpesium cernuum. Among these compounds, 1-4 are 11-methoxymethylgermacranolides and 5-7 as well as 11-17 are 2,9-hemiacetal-linked germacranolides. Their structures were elucidated using NMR and HRESIMS analyses, and X-ray diffraction studies were used to confirm the absolute configurations of 1, 2, 5, 6, 8, and 9. Cernuumolides A-J were evaluated for their in vitro cytotoxicity against the A549, HCT116, MDA-MB-231, and BEL7404 cell lines, and 8 exhibited moderate cytotoxicity with IC50 values in the 0.87-2.02 µM range.
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Antineoplásicos Fitogénicos/aislamiento & purificación , Asteraceae/química , Medicamentos Herbarios Chinos/aislamiento & purificación , Oxígeno/química , Sesquiterpenos de Germacrano/aislamiento & purificación , Antineoplásicos Fitogénicos/química , Antineoplásicos Fitogénicos/farmacología , Cristalografía por Rayos X , Ensayos de Selección de Medicamentos Antitumorales , Medicamentos Herbarios Chinos/química , Medicamentos Herbarios Chinos/farmacología , Células HCT116 , Humanos , Estructura Molecular , Resonancia Magnética Nuclear Biomolecular , Sesquiterpenos de Germacrano/química , Sesquiterpenos de Germacrano/farmacologíaRESUMEN
PURPOSE: This study was designed to evaluate the safety and efficacy of transarterial chemoembolization (TACE) combined with intra-IVC implantation of an irradiation stent for the treatment of hepatocellular carcinoma (HCC) complicated by inferior vena cava tumor thrombosis (IVCTT). METHODS: Sixty-one consecutive patients with HCC complicated by IVCTT treated by TACE combined with IVC stenting were retrospectively analysed. IVC stenting was performed using a stent loaded with (125)I seeds strands (the irradiation stent) in 33 patients (Group A) and 28 patients with a bare stent (Group B). Propensity score matching eliminated the baseline differences. Overall survival, oedema related to IVC obstruction remission rate and procedure-related adverse events were compared between the two groups. RESULTS: The adverse effect rate was similar for both Group A and Group B patients, and complications were adequately handled by medical treatment. TACE combined with implantation of an irradiation stent showed a significant median survival benefit over TACE combined with a bare stent, with a median survival time of 203.0 ± 28.135 days versus 93.0 ± 24.341 days (p = 0.006). The propensity score-matched (24 pairs) cohort analyses (200 ± 31.231 days vs. 66 ± 23.270 days, p = 0.019). The oedema remission rate was 97.0 % in group A patients and 96.4 % in group B, respectively. TACE-irradiation stent and object tumor response were the independent prognostic factors of favorable survival. CONCLUSIONS: TACE combined with irradiation stent implantation is a safe and effective treatment modality for patients with HCC complicated by IVCTT and may extend their survival time.
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Carcinoma Hepatocelular/terapia , Quimioembolización Terapéutica/métodos , Neoplasias Hepáticas/terapia , Stents , Vena Cava Inferior/cirugía , Trombosis de la Vena/complicaciones , Carcinoma Hepatocelular/complicaciones , Carcinoma Hepatocelular/cirugía , Estudios de Cohortes , Terapia Combinada , Femenino , Humanos , Neoplasias Hepáticas/complicaciones , Neoplasias Hepáticas/cirugía , Masculino , Persona de Mediana Edad , Puntaje de Propensión , Estudios Retrospectivos , Resultado del TratamientoRESUMEN
Wingless (Wg) and Hedgehog (Hh) signaling pathways are key players in animal development. However, regulation of the expression of wg and hh are not well understood. Here, we show that Midline (Mid), an evolutionarily conserved transcription factor, expresses in the wing disc of Drosophila and plays a vital role in wing development. Loss or knock down of mid in the wing disc induced hyper-expression of wingless (wg) and yielded cocked and non-flat wings. Over-expression of mid in the wing disc markedly repressed the expression of wg, DE-Cadherin (DE-Cad) and armadillo (arm), and resulted in a small and blistered wing. In addition, a reduction in the dose of mid enhanced phenotypes of a gain-of-function mutant of hedgehog (hh). We also observed repression of hh upon overexpression of mid in the wing disc. Taken together, we propose that Mid regulates wing development by repressing wg and hh in Drosophila.
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Proteínas de Drosophila/antagonistas & inhibidores , Proteínas de Drosophila/metabolismo , Drosophila/embriología , Regulación del Desarrollo de la Expresión Génica , Proteínas Hedgehog/antagonistas & inhibidores , Organogénesis , Proteínas de Dominio T Box/metabolismo , Proteína Wnt1/antagonistas & inhibidores , Animales , Transcripción Genética , Alas de Animales/embriologíaRESUMEN
FoxA transcription factors play vital roles in regulating the expression of organ-specific genes. BmSGF1, the sole FoxA family member in Bombyx mori, is required for development of the silk gland. However, the function of BmSGF1 in development of the nervous system in the silkworm remains unknown. Here, we show that the amino acids sequence of BmSGF1 is evolutionarily conserved in its middle region from Trichoplax adhaerens to human and diverged from the homologues in most other species in its N-terminal region. BmSGF1 expresses in the nervous system at the embryonic stage. Knockdown of Bmsgf1 by RNA interference (RNAi) results in abnormal development of axons. Therefore, our results demonstrate that BmSGF1 is an indispensable regulator for neurodevelopment.
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Bombyx/crecimiento & desarrollo , Bombyx/metabolismo , Proteínas de Insectos/metabolismo , Factores de Transcripción/metabolismo , Animales , Proteínas de Insectos/química , Sistema Nervioso , Filogenia , Factores de Transcripción/químicaRESUMEN
PROPOSE: To evaluate the safety and efficacy of endovascular brachytherapy (EVBT) with iodine-125 ((125)I) seed strand implantation combined with stent placement and transarterial chemoembolization (TACE) to treat hepatocellular carcinoma (HCC) with main portal vein tumor thrombus (MPVTT). METHODS: Data of 276 consecutive HCC patients with MPVTT treated by stent placement and TACE were analyzed retrospectively. (125)I seed strands were implanted in 182 patients (group A). The remaining 94 patients, who did not receive EVBT, served as control (group B). The overall survival, free of disease progression survival, stent patency period and procedure-related complications were compared between the two groups. RESULTS: During a mean 9.9 ± 9.7 month (range 1.3-62.2 months) follow-up, the median survival time was 9.3 ± 0.9 months (95 % CI 7.6-11.0 months) in group A compared to 4.9 ± 0.5 months (95 % CI 4.0-5.8 months) in group B (p < 0.001). Median free of disease progression survival time in group A and B was 1.8 ± 0.1 months (95 % CI 1.6-2.0 months) and 1.5 ± 0.1 months (95 % CI 1.3-1.7 months), respectively (p < 0.001). Median stent patency period was 9.2 ± 1.1 months (95 % CI 7.0-11.4 months) in group A and 4.8 ± 0.5 months (95 % CI 3.9-5.7 months) in group B, respectively (p < 0.001). CONCLUSION: These findings suggested that EVBT combined with stent placement and TACE might be a safe and effective palliative treatment option for HCC with main portal vein tumor thrombus.
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Braquiterapia/métodos , Carcinoma Hepatocelular/terapia , Quimioembolización Terapéutica/métodos , Neoplasias Hepáticas/terapia , Vena Porta/patología , Stents , Trombosis de la Vena/terapia , Adulto , Anciano , Anciano de 80 o más Años , Braquiterapia/efectos adversos , Carcinoma Hepatocelular/radioterapia , Carcinoma Hepatocelular/cirugía , Quimioembolización Terapéutica/efectos adversos , Terapia Combinada , Femenino , Humanos , Radioisótopos de Yodo/administración & dosificación , Neoplasias Hepáticas/radioterapia , Neoplasias Hepáticas/cirugía , Masculino , Persona de Mediana Edad , Vena Porta/cirugía , Estudios Retrospectivos , Análisis de Supervivencia , Resultado del Tratamiento , Trombosis de la Vena/radioterapia , Trombosis de la Vena/cirugíaRESUMEN
Axon guidance is critical for proper wiring of the nervous system. During the neural development, the axon guidance molecules play a key role and direct axons to choose the correct way to reach the target. Robo, as the receptor of axon guidance molecule Slit, is evolutionarily conserved from planarians to humans. However, the function of Robo in the silkworm, Bombyx mori, remained unknown. In this study, we cloned robo2/3 from B. mori (Bmrobo2/3), a homologue of robo2/3 in Tribolium castaneum. Moreover, BmRobo2/3 was localized in the neuropil, and RNAi-mediated knockdown of Bmrobo2/3 resulted in the longitudinal connectives forming closer to the midline. These data demonstrate that BmRobo2/3 is required for axon guidance in the silkworm.
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Axones/metabolismo , Bombyx/genética , Proteínas de Insectos/genética , Receptores Inmunológicos/genética , Secuencia de Aminoácidos , Animales , Axones/fisiología , Secuencia de Bases , Bombyx/crecimiento & desarrollo , Bombyx/metabolismo , Ganglios de Invertebrados/citología , Ganglios de Invertebrados/metabolismo , Proteínas de Insectos/química , Proteínas de Insectos/metabolismo , Datos de Secuencia Molecular , Neurogénesis , Receptores Inmunológicos/química , Receptores Inmunológicos/metabolismoRESUMEN
The development of the nervous system is based on the growth and connection of axons, and axon guidance molecules are the dominant regulators during this course. Robo, as the receptor of axon guidance molecule Slit, plays a key role as a conserved repellent cue for axon guidance during the development of the central nervous system. However, the function of Robo in the silkworm Bombyx mori is unknown. In this study, we cloned two novel robo genes in B. mori (Bmrobo1a and Bmrobo1b). BmRobo1a and BmRobo1b lack an Ig and a FNIII domain in the extracellular region and the CC0 and CC2 motifs in the intracellular region. BmRobo1a and BmRobo1b were colocalized with BmSlit in the neuropil. Knock-down of Bmrobo1a and Bmrobo1b by RNA interference (RNAi) resulted in abnormal development of axons. Our results suggest that BmRobo1a and BmRobo1b have repulsive function in axon guidance, even though their structures are different from Robo1 of other species.
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Axones/metabolismo , Bombyx/genética , Proteínas de Insectos/metabolismo , Proteínas del Tejido Nervioso/metabolismo , Receptores Inmunológicos/metabolismo , Secuencia de Aminoácidos , Animales , Axones/fisiología , Secuencia de Bases , Bombyx/crecimiento & desarrollo , Bombyx/metabolismo , Proteínas de Insectos/genética , Datos de Secuencia Molecular , Proteínas del Tejido Nervioso/genética , Neurogénesis , Receptores Inmunológicos/genética , Proteínas RoundaboutRESUMEN
ETHNOPHARMACOLOGICAL RELEVANCE: The plants in the genus Gleditsia, mainly distributed in central and Southeast Asia and North and South America, have been used as local and traditional medicines in many regions, especially in China, for the treatment of measles, indigestion, whooping, smallpox, arthrolithiasis, constipation, diarrhea, hematochezia, dysentery, carbuncle, etc. This present paper systemically reviews the miscellaneous information surrounding its traditional use, phytochemistry and pharmacology to provide opportunities and recommendations for the future research. MATERIALS AND METHODS: The scientific literatures were systematically searched from scientific databases (PubMed, Scopus, Elsevier, SpringerLink, SciFinder, Google Scholar and others). In addition, the ethnopharmacological information on this genus was mainly acquired from Chinese and Korean herbal classics, and library catalogs. RESULTS: More than 60 compounds including triterpenes, sterols, flavonoids, alkaloids, phenolics and their derivatives were isolated from Gleditsia japonica Miq., Gleditsia sinensis Lam., Gleditsia caspica Desf. and Gleditsia triacanthos L. Among these compounds, triterpenoid saponins were the main constituents of Gleditsia species. Moreover, the crude extracts and purified molecules were tested, revealing diverse biological activities such as anti-tumor, anti-inflammatory, anti-allergic, anti-hyperlipidemic, analgesic, antimutagenic, antioxidant, anti-HIV, antibacterial, antifungal activities, etc. Among these biological studies, the possible mechanisms of antitumor action are stressed in this review, and these include causing cytotoxicity to cancer cells, inhibition of proliferation of cancer cells by affecting their growth, regeneration and apoptosis, inhibition of basic fibroblast growth factor (bFGF) and nitric oxide (NO), modulation of the oncogenic expression and telomerase activity results, inhibition of the expression of pro-angiogenic proteins, as well as down-regulation of intra/extracellular proangiogenic modulators, etc. CONCLUSIONS: On the basis of preliminary research on Gleditsia genus it could be stated that saponins investigations may be more promising in future. Although 32 compounds of 67 identified compounds were saponins, modern pharmacological research on saponins were not a priority in Gleditsia species. Therefore, more bioactive experiments and in-depth mechanisms of action are required for elucidating their roles in physiological systems. Moreover, the present review also highlights that analgesic, anti-tumor and anti-HIV activities should have priority in saponins research. Additionally, it is imperative to explore more structure-activity relationships and possible synergistic actions of triterpenoid saponins for revaluating their pharmacological activities.
Asunto(s)
Gleditsia/química , Fitoquímicos/farmacología , Fitoquímicos/uso terapéutico , Extractos Vegetales/farmacología , Extractos Vegetales/uso terapéutico , Animales , Etnofarmacología/métodos , Humanos , Medicina Tradicional/métodos , Fitoterapia/métodosRESUMEN
Pulmonary hamartoma, a common benign tumor of the lung, often presents as a solitary nodule on the peripheral lung, and is mainly composed of bronchial mucosa epithelial cells, chondrocytes, and adipose cells. Here, we report the case of a 42-year-old female who had a lung nodule that appeared as a homogeneous high-density shadow of a peripheral localization on chest computed tomography scan. For further evaluation, transthoracic ultrasonography examination was performed, which revealed a round, heterogenous, hypoechoic mass attached to the visceral pleura and showing obvious respiratory motions on the real-time ultrasonic images. Video-assisted thoracoscopic operation with ultrasound marking was performed, and a tumor 1.5 × 1.0 cm in size was successfully removed from this patient. The pathohistological diagnosis was pulmonary hamartoma, and the patient was successfully cured.
Asunto(s)
Hamartoma/diagnóstico por imagen , Neoplasias Pulmonares/diagnóstico por imagen , Adulto , Diagnóstico Diferencial , Femenino , Hamartoma/patología , Hamartoma/cirugía , Humanos , Neoplasias Pulmonares/patología , Neoplasias Pulmonares/cirugía , Cirugía Torácica Asistida por Video , Tomografía Computarizada por Rayos X , UltrasonografíaRESUMEN
AIM: To retrospectively evaluate the safety and efficacy of ultrasound-guided percutaneous microwave ablation (MWA) combined with simultaneous transarterial chemoembolization (TACE) in the treatment of patients with advanced intrahepatic cholangiocarcinoma (ICC). METHODS: All patients treated with ultrasound-guided percutaneous MWA combined with simultaneous TACE for advanced ICC at our institution were included. Posttreatment contrast-enhanced computed tomography and/or magnetic resonance imaging were retrieved and reviewed for tumor response to the treatment. Routine laboratory studies, including hematology and liver function tests were collected and analyzed. Procedure-related complications were reviewed and survival rates were analyzed. RESULTS: From January 2011 to December 2014, a total of 26 advanced ICC patients were treated at our single institute with ultrasound-guided percutaneous MWA combined with simultaneous TACE. There were 15 males and eleven females with an average age of 57.9±10.4 years (range, 43-75 years). Of 26 patients, 20 (76.9%) patients were newly diagnosed advanced ICC without any treatment, and six (23.1%) were recurrent and treated with surgical resection of the original tumor. The complete ablation rate was 92.3% (36/39 lesions) for advanced ICC. There were no major complications observed. There was no death directly from the treatment. Median progression-free survival and overall survival were 6.2 and 19.5 months, respectively. The 6-, 12-, and 24-month survival rates were 88.5%, 69.2%, and 61.5%, respectively. CONCLUSION: The study suggests that ultrasound-guided percutaneous MWA combined with simultaneous TACE therapy can be performed safely in all patients with advanced ICC. The complete ablation rate was high and there was no major complication. The overall 24-month survival was 61.5%.