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Dysregulation of glutathione-S-transferase M3 (GSTM3) has been related to clear cell renal cell carcinoma (ccRCC) in our former study. GSTM3 plays a pivotal role of detoxification and clearance of reactive oxygen species (ROS) in tumour tissues. This study aimed to examine: (1) the associations between GSTM3 single nucleotide polymorphisms (SNPs) and risk of ccRCC, and (2) the potential molecular mechanism accounting for its effects. 5 SNPs in 3'UTR of GSTM3 were initially genotyped in 329 cases and 420 healthy controls. A SNP-rs1055259 was found to be significantly associated with the susceptibility of ccRCC (OR = 0.59, 95% CI = 0.41-0.92; P = .019). The minor allele of rs1055259 (G allele) was associated with RCC risk. This SNP was predicted to affect microRNA (miR)-556 binding to 3'UTR of GSTM3 mRNA. To determine the functional impact, plasmid constructs carrying different alleles of rs1055259 were created. Compared to rs1055259 A-allele constructs, cells transfected with rs1055259 G-allele construct had higher transcriptional activity and were less responsive to miR-556 changes and gene expression. Elevated GSTM3 expression in G-allele cells was associated with ROS activity and ccRCC development. Taken together, this study indicated that a functional polymorphism of GSTM3 -rs1055259 reduced susceptibility of RCC in the Chinese population. It influenced GSTM3 protein synthesis by interfering miR-556 binding, subsequently suppressed ROS activity and ccRCC progression.
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Carcinoma de Células Renales/genética , Predisposición Genética a la Enfermedad , Glutatión Transferasa/genética , MicroARNs/genética , Adulto , Anciano , Anciano de 80 o más Años , Alelos , Carcinoma de Células Renales/patología , Movimiento Celular/genética , Proliferación Celular/genética , Femenino , Regulación Neoplásica de la Expresión Génica , Genotipo , Humanos , Masculino , Persona de Mediana Edad , Invasividad Neoplásica/genética , Invasividad Neoplásica/patología , Polimorfismo de Nucleótido Simple/genética , Unión Proteica/genética , Proteínas de Unión al ARN/genéticaRESUMEN
OBJECTIVE: To evaluate the effect and safety of foot baths with Tangbi Waixi Decoction (TW) in treating patients with diabetic peripheral neuropathy (DPN). METHODS: It is a multicenter double-blinded randomized controlled trial. Participants with DPN were recruited between November 18, 2016 and May 30, 2018 from 8 hospitals in China. All patients received basic treatments for glycemic management. Patients received foot baths with TW herbal granules either 66.9 g (intervention group) or 6.69 g (control group) for 30 min once a day for 2 weeks and followed by a 2-week rest, as a therapeutic course. If the Toronto Clinical Scoring System total score (TCSS-TS) ⩾6 points, the patients received a total of 3 therapeutic courses (for 12 weeks) and were followed up for 12 weeks. The primary outcome was change in TCSS-TS score at 12 and 24 weeks. Secondary outcomes included changes in bilateral motor nerve conduction velocity (MNCV) and sensory nerve conduction velocity (SNCV) of the median and common peroneal nerve. Safety was also assessed. RESULTS: Totally 632 patients were enrolled, and 317 and 315 were randomized to the intervention and control groups, respectively. After the 12-week intervention, patients in both groups showed significant declines in TCSSTS scores, and significant increases in MNCV and SNCV of the median and common peroneal nerves compared with pre-treatment (P<0.05). The reduction of TCSS-TS score at 12 weeks and the increase of SNCV of median nerve at 24 weeks in the control group were greater than those in the intervention group (P<0.05). The number of adverse events did not differ significantly between groups (P>0.05), and no serious adverse event was related with treatment. CONCLUSION: Treatment of TW foot baths was safe and significantly benefitted patients with DPN. A low dose of TW appeared to be more effective than a high dose. (Registry No. ChiCTR-IOR-16009331).
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Diabetes Mellitus , Neuropatías Diabéticas , Plantas Medicinales , Humanos , Neuropatías Diabéticas/tratamiento farmacológico , Baños , Método Doble Ciego , Extractos Vegetales/uso terapéuticoRESUMEN
OBJECTIVE: To search for the bone mesenchymal stem cell (MSC) subgroup which might be more effective on repairing myocardial damage. METHODS: In this experiment, four MSC subgroups were defined based on the surface differentiation antigen detection of mouse bone mesenchymal stem cells (mBMSCs): SCA-1(+)/CD45(+)/CD31(+), SCA-1(+)/CD45(+)/CD31(-), SCA-1(+)/CD45(-)/CD31(-) and SCA-1(+)/CD45(-)/CD31(+). These subgroup cells and unselected mBMSCs were injected into infarcted mouse via tail vein. Echocardiographic heart function measurement and in vivo DiR-labeled stem cells imaging were performed at 48 h after injection. In situ C-kit (a flag antigen of cardiac stem cells) and cardiac-specific differentiation antigen immunohistochemistry detection was made in the infarcted myocardium. RESULTS: The capacity of the SCA-1(+)/CD45(+)/CD31(+) cells on improving heart function was significantly higher than other cell groups (all P < 0.05). In vivo imaging showed that the mean fluorescence intensity of the SCA-1(+)/CD45(+)/CD31(+) cells was also higher than other cell groups (all P < 0.05). Number of cardiac stem cells in the infracted myocardium was significantly increased after the injection of all subgroup cells and unsorted mBMSCs cells for 48 h compared untreated infracted myocardium. The capacity of mobilizing cardiac stem cells is as follows: SCA-1(+)/CD45(+)/CD31(+) >SCA-1(+)/CD45(-)/CD31(+) >SCA-1(+)/CD45(-)/CD31(-) >SCA-1(+)/CD45(+)/CD31(-). CONCLUSION: The SCA-1(+)/CD45(+)/CD31(+) subgroups of mBMSCs exhibites the highest capacity to improve cardiac function after myocardial infarction and to mobilize autologous cardiac stem cells compared with other mBMSCs subgroups and unsorted mBMSCs cells.
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Trasplante de Células Madre Mesenquimatosas , Infarto del Miocardio/cirugía , Animales , Células Cultivadas , Modelos Animales de Enfermedad , Ratones , Ratones Endogámicos C57BLRESUMEN
OBJECTIVE: To sum up the experience of performing ascending aorta replacement combined triple-branched stent graft implantation for acute Stanford type A aortic dissection. METHODS: From January 2010 to December 2010, 14 patients with acute Stanford type A aortic dissection underwent the procedure of performing ascending aorta replacement combined triple-branched stent graft implantation. Right axillary artery cannulation was used for cardiopulmonary bypass and selected cerebral perfusion. When the body temperature drops below 18°C, the ascending aorta was transected near the base of the innominate artery. From the incision, the triple-branched stent graft was implanted into the true lumen of the arch, descending aorta and the aorta bifurcation vessel. The transected stump of the ascending aorta was anastomosis to the proximal of the branched blood vessel prosthesis. RESULTS: Cardiopulmonary bypass time was (186 ± 38) min, cross clamp time was (101 ± 27) min, and average selective cerebral perfusion and lower body arrest time was (39 ± 11) min. The in-hospital mortality was zero. One patient of transient postoperative neurologic dysfunction, one of acute renal failure, one of transient limbs disturbance, one of secondary thoracotomy operation, one of gastrointestinal hemorrhage and one of postoperative chylothorax were observed. CT angiography rechecked showed the position of the vascular stent were satisfactory and the blood flow of arterial branches stents were lucid. The false lumen of the aortic arch and descending aorta closed with thrombus or shrinked. CONCLUSIONS: The patients required aortic arch to be reconstructed which had no main tearing of intima in the arch may be best candidates for this technique. Open triple-branched stent graft placement combined ascending aorta replacement is an effective means for aortic arch reconstruction in acute Stanford type A aortic dissection.
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Aorta Torácica/cirugía , Disección Aórtica/cirugía , Implantación de Prótesis Vascular/métodos , Adulto , Anciano , Prótesis Vascular , Femenino , Humanos , Masculino , Persona de Mediana Edad , Resultado del Tratamiento , Adulto JovenRESUMEN
Abnormal phenotypic switch, migration, and proliferation of vascular smooth muscle cells (VSMCs) are hallmarks for pathogenesis of thoracic aortic dissection (TAD). In the current study, we identified miR-134-5p as a critical regulator controlling human VSMC phenotypic switch and migration to investigate whether miR-134-5p affects human VSMC functions and development of TAD. Using miRNA microarray of aorta specimens from 12 TAD and 12 controls, we identified miR-134-5p, which was significantly downregulated in TAD tissues. With qPCR detection, we found that miR-134-5p was also evidently decreased in human AoSMCs. Ectopic expression of miR-134-5p obviously promoted VSMC differentiation and expression of contractile markers, such as α-SMA, SM22α, and MYH11. miR-134-5p potently inhibited PDGF-BB-induced VSMC phenotypic switch and migration. We further identified STAT5B and ITGB1 as downstream targets of miR-134-5p in human VSMCs and proved them to be mediators in VSMC phenotypic switch and progression of TAD. Finally, Ad-miR-134-5p obviously suppressed the aorta dilatation and vascular media degeneration by 39% in TAD mice after vascular injury induced by Ang II. Our findings revealed that miR-134-5p was a novel regulator in vascular remodeling and pathological progress of TAD via targeting STAT5B/ITGB1 expression. Targeting miR-134-5p or its downstream molecules in VSMCs might develop new avenues in clinical treatment of TAD.
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Vascular disorders are complex diseases with high morbidity and mortality. Among them, the dilated macrovascular diseases (MVD), such as aortic aneurysm and aortic dissection, have presented a huge threat to human health. The pathogenesis of vascular diseases is mostly associated with property alteration of vascular endothelial cells (VECs) and vascular smooth muscle cells (VSMCs). Studies have confirmed that induced pluripotent stem cells (iPSCs) can be proliferated and differentiated into other somatic cells, such as VECs and VSMCs. And patient-specific cells could provide detailed human-associated information in regard to pathogenesis or drug responses. In addition, differentiated ECs from iPSC have been widely used in disease modeling as a cell therapy. In this review, we mainly discussed the application of hiPSCs in investigating the pathological mechanism of different inherited vascular diseases and provide a comprehensive understanding of hiPSCs in the field of clinical diagnosis and gene therapy.
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Thoracic aortic aneurysm and dissection (TAAD) is the most fatal macro vascular disease. The mortality of 48h after diagnosis of dissection is up to approximately 50-68%. However, the genetic factors and potential mechanism underlying sporadic TAAD remain largely unknown. Our previous study suggested rs12455792 variant of SMAD4 gene significantly contributed to the increased risk and might participated the pathological progression of TAAD. This investigation aims to test (1) the associations between rs12455792 and MØ recruitment, inflammatory response in aggressiveness of TAAD, and (2) the molecular mechanism accounting for their effects. In TGF-ß signaling molecular detection, rs12455792 C>T variant activated the canonical and non-canonical TGF-ß mediators. It also increased the secretion of chemotactic factors of HASMCs. To confirm the impact of this change, we detected MØ recruitment and infiltration in HASMCs and aortic tissues of TAAD patients. We found that MØ recruitment in cells and tissues with rs12455792 variant genotypes was increased than that in wild type groups. Moreover, rs12455792 variant increased M1 type inflammatory response, which might contribute much to TAAD progression. To mimic the SMAD4 suppression effect of rs12455792 in vivo, we constructed the SMAD4 KD mouse. After induction with Ang II for 4w, the thoracic aorta dilatation and vascular remodeling were more serious than that of wild type group. In conclusion, rs12455792 increased MØ recruitment, M1 type inflammatory response via activated TGF-ß signaling, and further promoted vascular remodeling and pathological progress of TAAD.
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Aneurisma de la Aorta Torácica/metabolismo , Disección Aórtica/metabolismo , Mediadores de Inflamación/metabolismo , Macrófagos/metabolismo , Músculo Liso Vascular/metabolismo , Miocitos del Músculo Liso/metabolismo , Proteína Smad4/metabolismo , Factor de Crecimiento Transformador beta/metabolismo , Disección Aórtica/genética , Disección Aórtica/patología , Animales , Aorta Torácica/metabolismo , Aorta Torácica/patología , Aneurisma de la Aorta Torácica/genética , Aneurisma de la Aorta Torácica/patología , Estudios de Casos y Controles , Células Cultivadas , Dilatación Patológica , Modelos Animales de Enfermedad , Femenino , Macrófagos/patología , Masculino , Ratones Noqueados , Músculo Liso Vascular/patología , Miocitos del Músculo Liso/patología , Polimorfismo de Nucleótido Simple , Transducción de Señal , Proteína Smad4/deficiencia , Proteína Smad4/genética , Remodelación VascularAsunto(s)
Diabetes Mellitus , Hipertensión , Hipertrigliceridemia , Obesidad , Receptores de Calcitriol , Humanos , Comorbilidad , Diabetes Mellitus/epidemiología , Diabetes Mellitus/genética , Pueblos del Este de Asia , Hipertensión/epidemiología , Hipertensión/genética , Hipertrigliceridemia/epidemiología , Hipertrigliceridemia/genética , Obesidad/epidemiología , Obesidad/genética , Receptores de Calcitriol/genéticaRESUMEN
Recent studies indicate important roles for SMAD4 in SMCs proliferation, extracellular matrix maintenance, and blood vessel remodeling. However, the genetic effects of SMAD4 in the pathogenesis of thoracic aortic aneurysm and dissection (TAAD) are still largely unknown. Here we identified a functional variant of SMAD4 which might be involved in the pathological progression of TAAD. Five tagging SNPs of SMAD4 were genotyped in 202 TAAD cases and 400 controls using MALDI-TOF. rs12455792 CT or TT variant genotypes was associated with an significantly elevated TAAD risk (adjusted OR=1.58, 95%CI=1.09-2.30) under a dominant genetic model. It was located in the 5'UTR and predicted to influence transcription activity and RNA folding of SMAD4. In luciferase reporter assay, rs12455792 T allele markedly decreased luciferase activities. Accordingly, SMAD4 expression in tissues was lower in patients with CT or TT genotypes, compared with CC. Movat's pentachrome showed that rs12455792 T allele enhanced SMCs loss and fibers accumulation. With angiotensin II induction, rate of Apoptotic SMCs was significantly higher while SMAD4 silenced. Moreover, rs12455792 T allele also increased Versican degradation via ADAMTS-4. In conclusion, this variant might promote SMCs apoptosis and proteoglycans degradation, and further facilitate the progress of TAAD. Our findings identified rs12455792 as a predictor for progression of vascular media pathological changes related thoracic aortic disorders.
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Aneurisma de la Aorta Torácica/genética , Aneurisma de la Aorta Torácica/metabolismo , Disección Aórtica/genética , Disección Aórtica/metabolismo , Apoptosis/genética , Miocitos del Músculo Liso/metabolismo , Proteoglicanos/metabolismo , Proteína Smad4/genética , Adulto , Anciano , Alelos , Biología Computacional/métodos , Susceptibilidad a Enfermedades , Expresión Génica , Ligamiento Genético , Genotipo , Humanos , Desequilibrio de Ligamiento , Persona de Mediana Edad , Modelos Biológicos , Oportunidad Relativa , Polimorfismo de Nucleótido Simple , Proteína Smad4/química , Proteína Smad4/metabolismoAsunto(s)
Diabetes Mellitus Tipo 2 , Receptores de Calcitriol , Humanos , Estudios de Casos y Controles , China/epidemiología , Diabetes Mellitus Tipo 2/epidemiología , Diabetes Mellitus Tipo 2/genética , Obesidad/complicaciones , Obesidad/epidemiología , Obesidad/genética , Receptores de Calcitriol/genética , Población RuralRESUMEN
Over the past years, vascular diseases have continued to threaten human health and increase financial burdens worldwide. Transplantation of allogeneic and autologous blood vessels is the most convenient treatment. However, it could not be applied generally due to the scarcity of donors and the patient's condition. Developments in tissue engineering are contributing greatly with regard to this urgent need for blood vessels. Tissue engineering-derived blood vessels are promising alternatives for patients with aortic dissection/aneurysm. The aim of this review is to show the importance of advances in biomaterials development for the treatment of vascular disease. We also provide a comprehensive overview of the current status of tissue reconstruction from stem cells and transplantable cellular scaffold constructs, focusing on the combination of stem cells and tissue engineering for blood vessel regeneration and vascular disease treatment.
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Aneurisma de la Aorta/terapia , Disección Aórtica/terapia , Trasplante de Células Madre Mesenquimatosas/métodos , Ingeniería de Tejidos/métodos , Andamios del Tejido , Tejido Adiposo/citología , Tejido Adiposo/fisiología , Disección Aórtica/patología , Disección Aórtica/fisiopatología , Animales , Aorta/patología , Aorta/cirugía , Aneurisma de la Aorta/patología , Aneurisma de la Aorta/fisiopatología , Diferenciación Celular , Proliferación Celular , Células Madre Embrionarias/citología , Células Madre Embrionarias/fisiología , Células Madre Embrionarias/trasplante , Células Progenitoras Endoteliales/citología , Células Progenitoras Endoteliales/fisiología , Células Progenitoras Endoteliales/trasplante , Humanos , Células Madre Pluripotentes Inducidas/citología , Células Madre Pluripotentes Inducidas/fisiología , Células Madre Pluripotentes Inducidas/trasplante , Células Madre Mesenquimatosas/citología , Células Madre Mesenquimatosas/fisiología , Regeneración/fisiologíaRESUMEN
Lung cancer has become the most common cancer worldwide, of which non-small cell lung cancer (NSCLC) accounts for over 80%. Previous studies have shown that the Jumonji domain containing 2A (JMJD2A) was aberrantly expressed in various tumors and involved in the regulation of tumor progression, but the role of JMJD2A on the tumorigenesis in NSCLC and the underlying mechanisms are still unclear. In the present study, we first identified the expression of JMJD2A in NSCLC tissues and cell lines through quantitative RT-PCR (qRT-PCR) and western blotting. Next, the effects of JMJD2A on the progression of NSCLC were analyzed. MTT assay was performed to measure the cell numbers and fluorescence-activated cell sorting (FACS) was adopted to evaluate cell apoptosis. Finally, the relationship between JMJD2A and miR-150 involved in NSCLC was studied. Our results suggested that JMJD2A was significantly overexpressed in NSCLC samples and cell lines. Kaplan-Meier analysis showed that high level of JMJD2A predicted a poor prognosis. Knockdown of JMJD2A inhibited tumor growth and promoted cell apoptosis in NSCLC cells. Additionally, miR-150 was upregulated in NSCLC tissues and positively related with JMJD2A expression. Significant downregulation of miR-150 was observed with JMJD2A knockdown. Furthermore, JMJD2A knockdown inhibited NSCLC cell proliferation while the silencing of miR-150 attenuated the inhibition effect on cell proliferation, suggesting that the effect of JMJD2A on NSCLC cell growth was dependent on miR-150. Thus, our findings identified that JMJD2A played an oncogenic role in NSCLC via regulating miR-150. JMJD2A could possibly serve as a prognostic factor and potential target for NSCLC therapy.
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Carcinoma de Pulmón de Células no Pequeñas/patología , Histona Demetilasas con Dominio de Jumonji/genética , Histona Demetilasas con Dominio de Jumonji/metabolismo , Neoplasias Pulmonares/patología , MicroARNs/genética , Animales , Carcinoma de Pulmón de Células no Pequeñas/genética , Carcinoma de Pulmón de Células no Pequeñas/metabolismo , Línea Celular Tumoral , Regulación Neoplásica de la Expresión Génica , Humanos , Neoplasias Pulmonares/genética , Neoplasias Pulmonares/metabolismo , Ratones , Trasplante de Neoplasias , Pronóstico , Análisis de SupervivenciaRESUMEN
BACKGROUND: Transplantation of adult bone marrow-derived mesenchymal stem cells (MSCs) has been proposed as a strategy for cardiac repair following myocardial damage. However cell transplantation strategies to replace lost myocardium are limited by the inability to deliver large numbers of cells that resist peritransplantation graft cell death. Accordingly, we set out to isolate and expand adult swine bone marrow-derived MSCs, and to engineer these cells to overexpress AKT1 (protein kinase B), to test the hypothesis that AKT1-engineered MSCs are more resistant to apoptosis and can enhance cardiac repair after transplantation into the ischemic swine heart. METHODS: The CDS (regulation domain of AKT1) AKT1-cDNA fragment was amplified, and MSCs were transfected following synthesis with a pCDH1-AKT1 shuttling plasmid. Western blotting analysis and real-time reverse transcription-polymerase chain reaction (RT-PCR) was performed. Myocardial infarction (MI) models were constructed in Meishan pigs, and cardiac function was evaluated by magnetic resonance imaging (MRI) measurements and echocardiography 4 weeks later. All pigs were assigned to four groups: control (A), DMEM (B), MSC (C), and AKT-transfected (D). MSCs were transfected with the AKT1 gene, and autologous BrdU-labeled stem cells (1 x 10(7)/5 ml) were injected into left anterior descending coronary atery (LAD) of the infarct heart in groups C and D. In group B, DMEM was injected using the same approach. In group A, there was no injection following LAD occlusion. After 4 weeks, cardiac function and regional perfusion measurements were repeated by MRI and echocardiography, and histological characteristics of the hearts were assessed. Connecxin-43 (CX-43), BrdU, and von Willebrand factor (VWF) immunoreactivity was tested using enzyme linked immunosorbent assay (ELISA). Vascular endothelial growth factor (VEGF), transforming growth factor-beta1 (TGF-beta1) were analyzed at the same time. RESULTS: AKT1-cDNA was cloned into pCDH1-MCS1-EF1-copGFP and the sequence was confirmed. AKT mRNA expression was detected at 24 hours after transfection. AKT1 expression in MSCs remained strong after 2 weeks, according to real-time RT-PCR and Western blotting. Prior to cell implantation, end-diastolic left ventricular dimension (EDLVd) increased and stroke volume (SV) decreased in the MI hearts. MRI scans revealed significantly improved cardiac function following implantation, and implanted MSCs prevented thinning and expanding in the infarct region, as well as improved contraction and increased perfusion in all groups compared to control hearts. The left ventricular chamber size was smaller in cell-transplanted hearts than in control hearts. Moreover, group D exhibited significant improvement. The expression of CX-43, BrdU, and VWF could be found in the immunohistochemical pathological sections of group C and group D. The level of VEGF reached a high level 1 week after implanting the MSCs, but the level of TGF-beta1 decreased gradually. CONCLUSIONS: The AKT1-expressing lentiviral vector resulted in stable over-expression of AKT1 in MSCs. MSC engraftment in host myocardium improved cardiac function by attenuating contractile dysfunction and pathological thinning of the infracted left ventricular wall, which likely resulted from myocardial regeneration and angiogenesis.
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Células Madre Mesenquimatosas/metabolismo , Infarto del Miocardio/metabolismo , Infarto del Miocardio/terapia , Proteínas Proto-Oncogénicas c-akt/metabolismo , Remodelación Ventricular/fisiología , Animales , Western Blotting , Modelos Animales de Enfermedad , Electroforesis , Vectores Genéticos/genética , Lentivirus/genética , Trasplante de Células Madre Mesenquimatosas , Proteínas Proto-Oncogénicas c-akt/genética , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , PorcinosRESUMEN
OBJECTIVE: To determine the pulmonary pathological changes in hematological malignancy patients with pulmonary complications. METHODS: 17 hematological malignancy patients underwent surgical treatment were evaluated retrospectively. The pathological changes of all the surgical specimens were examined postoperatively by standard hematoxylin and eosin (HE) staining. RESULTS: Pathological examination confirmed: aspergillus infection in 9 patients, sub-acute inflammation (fibrosis and hematoma formation) in 3, and each in 1 of pulmonary infarction with granulomatous tissue in the periphery; granulomatous inflammation with calcified tubercle; alveolar dilation and hemorrhage, interstitial fibrosis and focal vasculitis; intercostal neurilemmoma; and moderate-differentiated adenocarcinoma accompanied by intrapulmonary metastasis. And several operative complications (1 case of fungal implantation, 3 pleural effusion and adhesions and 2 pulmonary hematoma) were occurred. The coincidence rate of pre- and post-operative diagnosis was 9/14 (64.3%). After surgery, 8 patients were received hematopoietic stem cell transplantation (HSCT, allo-gene or autologous), with 7 succeeded. On effective secondary antifungal prophylaxis, 4 of 5 patients of aspergillosis succeeded in transplantation with free from mycotic relapse, one patient died from fungal relapse. CONCLUSION: Hematological malignancies with persistent and/or resistant pulmonary infection, hemoptysis, or unexplained lung diseases, should be treated in time by surgery operation to effectively eliminate residual disease and obtain a definitive diagnosis, so as to create a prerequisite condition for the following treatments. Moreover, the secondary antifungal prophylaxis can provide active roles for patients scheduled for chemotherapy and/or HSCT.