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OBJECTIVE: To explore the possible pathogenesis of chronic nonbacterial prostatitis (CNP) in rats from the perspective of mitochondria, and the interventional effect of Jiedu Huoxue Decoction (JHD) on CNP. METHODS: Forty clean-grade SD male rats were randomly divided into 4 groups of an equal number, sham control, CNP model control, Qianliekang Tablets intervention (QLK) and JHD intervention, those in the former two groups treated intragastrically with normal saline, and those in the latter two with QLK and JHD, respectively, at 2g/kg qd for 30 successive days. Then serum and prostate tissue samples were collected from the rats for calculation of the organ coefficients, HE staining, extraction of mitochondria in the prostate tissue, measurement of the levels of superoxide dismutase (SOD), malondialdehyde (MDA), glutathione peroxidase (GSH-PX) and Na+-K+-ATPase by colorimetric assay, and observation of the ultrastructural changes of the prostatic epithelial cells under the transmission electron microscope (TEM). RESULTS: The organ coefficient of the prostate was significantly higher in the CNP model controls (ï¼»1.95 ± 0.39ï¼½%) than in the sham control (ï¼»1.50 ± 0.42ï¼½%, P < 0.05), QLK (ï¼»1.54 ± 0.32ï¼½%, P < 0.05) and JHD groups (ï¼»1.47 ± 0.53ï¼½%, P < 0.05). TEM showed significant hyperplasia of the interstitial fibrous tissue, glandular structural disorder and inflammatory cell immersion in the CNP model controls, decreased inflammatory cells and reduced hyperplasia of epithelial cells in the acinar and interstitial fibrous tissues in the QLK and JHD groups, but no significant changes in the sham controls. The CNP model controls, compared with the QLK and JHD groups, exhibited remarkably lower levels of SOD (ï¼»17.42 ± 2.91ï¼½ vs ï¼»23.47 ± 5.79ï¼½ and ï¼»22.52 ± 3.88ï¼½ U/mg prot, P < 0.05), GSH-PX (ï¼»38.35 ± 6.98ï¼½ vs ï¼»47.68 ± 10.37ï¼½ and ï¼»89.95 ± 7.65ï¼½ U/mg prot, P < 0.05 or P < 0.01), and Na+-K+-ATPase in the prostatic mitochondria (ï¼»0.98 ± 0.40ï¼½ vs ï¼»1.37 ± 0.29ï¼½ and ï¼»1.85 ± 0.32ï¼½ µmol Pi/mg prot/h, P < 0.05 or P < 0.01), but a higher level of MDA (ï¼»1.70 ± 0.22ï¼½ vs ï¼»0.54 ± 0.14ï¼½ and ï¼»0.59 ± 0.17ï¼½ nmol/mg prot, P < 0.01). Significant mitochondrial damage was observed in the prostate tissue of the CNP model controls, and markedly enhanced mitochondrial autophagy was seen in the JHD group. CONCLUSIONS: Chronic nonbacterial prostatitis induces mitochondrial dysfunction in the prostate of rats, and Jiedu Huoxue Decoction can promote the recovery of mitochondrial function, which may be related to mitochondrial autophagy.
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Medicamentos Herbarios Chinos/uso terapéutico , Mitocondrias/efectos de los fármacos , Prostatitis , Animales , Autofagia , Masculino , Mitocondrias/patología , Próstata/ultraestructura , Prostatitis/tratamiento farmacológico , RatasRESUMEN
Previous studies have shown that the tumor necrosis factor-α (TNF-α) levels in serum and bone tissues formed in avascular necrosis of femoral head (ANFH) patients were higher than those of normal individuals, indicating TNF-α might play a role in the pathogenesis of ANFH. However, the underlying mechanisms remain unclear. Hematoxylin and eosin staining was performed to show the pathological changes of ANFH bone tissues. TNF-α expression in normal and ANFH tissues was examined by quantitative real-time polymerase chain reaction and western blot analyses. Osteoblast autophagy and apoptosis, as well as signaling pathways activation, were measured by their corresponding marker proteins. Osteoblast proliferation, autophagy, and apoptosis were evaluated using cell counting kit-8, transmission electron microscopy, and flow cytometry. The structures of bone tissues of ANFH were obviously damaged. TNF-α expression was significantly upregulated in ANFH bone tissues compared to normal tissues. Autophagy and apoptosis were remarkably promoted, and p38 mitogen-activated protein kinase (MAPK)/nuclear factor-κB (NF-κB) signaling pathways were markedly activated in ANFH. Suppression of the p38 MAPK/NF-κB pathway significantly attenuated the TNF-α-induced autophagy, however, enhanced the TNF-α-induced apoptosis in osteoblasts. Increased TNF-α in ANFH regulated osteoblast autophagy and apoptosis by p38 MAPK/NF-κB signaling pathways, blocking the pathway by inhibitors exacerbated TNF-α-induced apoptosis through impairing autophagy flux.
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Necrosis de la Cabeza Femoral/fisiopatología , Cabeza Femoral/metabolismo , Factor de Necrosis Tumoral alfa/metabolismo , Adulto , Animales , Apoptosis/fisiología , Autofagia/fisiología , Femenino , Necrosis de la Cabeza Femoral/metabolismo , Humanos , Sistema de Señalización de MAP Quinasas/efectos de los fármacos , Masculino , Ratones , Persona de Mediana Edad , Proteínas Quinasas Activadas por Mitógenos/metabolismo , FN-kappa B/metabolismo , Osteoblastos/metabolismo , Transducción de Señal/genética , Factor de Necrosis Tumoral alfa/fisiología , Proteínas Quinasas p38 Activadas por Mitógenos/metabolismoRESUMEN
MicroRNAs (miRNAs) are a class of non-coding RNAs with about 22 nucleotides, which regulate a variety of biological processes, cells and gene expressions, playing significant roles in cells and disease progression. An insight into the relationship between the miRNA expressions and prostatic diseases may contribute to a better understanding of prostatic diseases from the perspective of molecular biology, explanation of their pathogenesis, and guidance for their clinical treatment and prognosis. At present, many studies are reported on prostate cancer-related miRNAs, involving the development, progression, pathogenesis, diagnosis, prognosis, and treatment of the disease. However, relatively fewer studies are seen on the miRNA expressions relating to prostatitis and BPH. This article briefly describes the origin and biological role of miRNAs and reviews the advances in the studies of the expressions of related miRNAs in prostatitis, BPH and prostate cancer, aiming for a deeper insight into the roles of miRNAs in prostatic diseases and some new ideas for their clinical diagnosis and treatment as well as for the future studies of miRNAs in prostatic diseases.
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Hole mobility is critical to the power conversion efficiencies of perovskite solar cells (PSCs). Organic small-molecule hole-transporting materials (HTMs) have attracted considerable interest in PSCs due to their structural flexibility and operational durability, but they suffer from modest hole mobility. On the other hand, inorganic HTMs with good hole mobility are inflexible in structural variation and exhibit unsatisfactory cell efficiency. In this study, a ligand BT28 and its zinc-based coordination complex BTZ30 were synthesized, characterized, and investigated as HTMs for PSC applications. The mixed-halide perovskites can be grown uniformly with large crystalline grains on both HTMs, which exhibit similar optical and electrochemical properties. However, it was discovered that the BTZ30-based solar cell exhibited an open-circuit voltage of 1.0817â V and a high short-circuit current density of 23.1392â mA cm-2 with a champion power conversion efficiency of close to 20 %. The performance difference between the two HTMs can be attributed to the difference in their hole mobilities, which is 63.31 % higher for BTZ30 than BT28. The comparison of non-metal and metal HTMs revealed the importance of considering hybrid structures to overcome some shortcomings associated with organic and inorganic HTMs and achieve high-performance PSCs.
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Vascular endothelial growth factor (VEGF) plays an important role in the tumor angiogenesis, and its expression has been supposed to be a biomarker of prognosis in patients with osteosarcoma. There are many studies assessing the prognostic role of VEGF expression in osteosarcoma, and no consistent outcomes are reported. To provide a comprehensive assessment of the prognostic role of VEGF expression, we performed a systematic review and meta-analysis of published studies. We assessed the effect of VEGF expression on the overall survival rate and the disease-free survival rate by calculating the pooled odds ratio (OR) with corresponding 95 % confidence interval (95 %CI). Finally, 12 studies with a total of 559 osteosarcoma patients were included into the systematic review and meta-analysis. Compared with osteosarcoma patients with low or negative VEGF expression, patients with high VEGF expression were obviously associated with lower disease-free survival (OR=0.25, 95 %CI 0.11-0.58, P=0.001, I (2) =56.4 %). In addition, patients with high VEGF expression were obviously associated with lower overall survival (OR=0.22, 95 %CI 0.13-0.35, P<0.001, I (2) =0.0 %). Therefore, the findings from this systematic review suggest that VEGF expression is an effective biomarker of prognosis in patients with osteosarcoma.
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Biomarcadores de Tumor/metabolismo , Neoplasias Óseas/mortalidad , Osteosarcoma/mortalidad , Factor A de Crecimiento Endotelial Vascular/metabolismo , Neoplasias Óseas/diagnóstico , Neoplasias Óseas/metabolismo , Humanos , Metaanálisis como Asunto , Osteosarcoma/diagnóstico , Osteosarcoma/metabolismo , Pronóstico , Tasa de SupervivenciaRESUMEN
Hole transport materials (HTMs) with appropriate energy levels and comprehensive passivation effects help to obtain highly efficient and stable perovskite solar cells (PSCs). Electron-deficient character-induced HTMs can generate varying energy level alignments near the HTM/perovskite interface. Herein, we report the synthesis and investigation of two new dipolar HTMs, WWC103 and WWC105, based on 2-(1,1-dicyanomethylene)rhodamine and 4-cynophenylacetonitrile acceptors, enabling high-efficiency mixed-cation mixed-halide perovskite solar cells. Apart from having different acceptors, these HTMs are built on a heterocyclic frame, which can provide passivation effects and improve the morphology of the perovskite layer. As a result, these dopant-free HTM-based solar cells show a high open-circuit voltage and good power conversion efficiency. Among both, the solar cell based on the HTM with 2-(1,1-dicyanomethylene)rhodamine exhibits a high open-circuit voltage of 1.09 V with a champion power conversion efficiency of over 20.51%. The improved performance of WWC103 over WWC105 (19.74%) is attributed to the new acceptor, which, in addition to providing good energy-level alignments and hole mobility, also holds the ability to passivate the defects. The findings suggest a new acceptor unit for constructing dopant-free HTMs for efficient PSCs.
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OBJECTIVE: To evaluate the clinical therapeutic effect of the release of gluteal muscle contracture by radiofrequency under arthroscopy. METHODS: From January 2004 to April 2005, 86 patients with gluteal muscle contracture were treated by radiofrequency release under arthroscopy.The patients were followed-up for 6-18 months(mean=12.6 months). RESULTS: Getting carriage, squatting down while keeping their knees contacting, crossing leg test, and impact on movement were served as evaluation criteria. Of the 86 patients, 79 had excellent results, 5 good, and the rest 2 were acceptable. There was no recurrence at the last follow-up, and all the patients were satisfied. CONCLUSION: For gluteal muscle contracture, radiofrequency release under arthroscopy has minimally invasion, good results and quick recovery.
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Artroscopía , Ablación por Catéter , Contractura/cirugía , Contractura de la Cadera/cirugía , Músculo Esquelético/cirugía , Adolescente , Adulto , Nalgas , Niño , Femenino , Contractura de la Cadera/fisiopatología , Humanos , Masculino , Procedimientos Quirúrgicos Mínimamente Invasivos , Músculo Esquelético/fisiopatología , Rango del Movimiento ArticularRESUMEN
BACKGROUND: The efficacy of tranexamic acid (TXA) plus drain-clamping in reducing blood loss after total knee arthroplasty (TKA) is controversial. This meta-analysis aimed to identify whether combined tranexamic acid and drain-clamping was superior to TXA alone, drain clamping alone and control treatments. METHODS: We searched the PubMed, EMBASE, Web of Science and Google databases and the Cochrane Database of Systematic Reviews. Patients prepared for primary TKA and who underwent TXA plus drain-clamping for blood loss were included in this meta-analysis. Outcomes included the need for transfusion, total blood loss, blood loss in drainage, a decrease in hemoglobin and the occurrence of deep venous thrombosis (DVT). Stata 12.0 was used for meta-analysis. RESULTS: Finally, 7 clinical studies with 839 patients were included in this meta-analysis. Compared with the control group, TXA group and drain clamping group treatments, TXA plus drain-clamping could reduce the need for transfusion, total blood loss, blood loss in drainage and the decrease in hemoglobin with statistically significance. CONCLUSIONS: TXA plus drain-clamping is an efficient method for controlling blood loss after TKA, and more studies should focus on the optimal clamping duration.
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Antifibrinolíticos/uso terapéutico , Artroplastia de Reemplazo de Rodilla/métodos , Pérdida de Sangre Quirúrgica/prevención & control , Hemostasis Quirúrgica/métodos , Ácido Tranexámico/uso terapéutico , Administración Intravenosa , Anciano , Antifibrinolíticos/efectos adversos , Artroplastia de Reemplazo de Rodilla/efectos adversos , Pérdida de Sangre Quirúrgica/estadística & datos numéricos , Transfusión Sanguínea/estadística & datos numéricos , Constricción , Bases de Datos Factuales , Drenaje/métodos , Hemoglobinas/análisis , Hemostasis Quirúrgica/efectos adversos , Humanos , Persona de Mediana Edad , Ácido Tranexámico/efectos adversos , Trombosis de la Vena/epidemiología , Trombosis de la Vena/etiologíaRESUMEN
PURPOSE: To evaluate the long-term effectiveness of intruded upper molar with orthodontic mini-screw and the long-term stability of the lower molar restored with dental implant. METHODS: Twenty-four patients with excessive growing upper molar were chosen. The upper molars were intruded by orthodontic mini-screw to increase the bite distance, and then restored with dental implant. The height of molar and the height of bone around the implant were measured on the lateral cephalometric films and panoramic films to analyze the long-term effect of molar intrusion and implantation. The data were analyzed with SPSS18.0 software package. RESULTS: There was significant difference between the length of upper molar before and after intrusion, the upper molars were intruded (2.7±0.3)mm 3.5 months after orthodontic mini-screw; there was no significant difference after 1 year with retainer and implant restoration. The height of bone around the implant decreased 1.2 mm but without significant difference. CONCLUSIONS: With the upper molar intruded by orthodontic mini-screw , more bite space can be obtained to restore lower molar with dental implant, and the long-term effect of upper molar intrusion and lower molar implant are stable.
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Implantes Dentales , Métodos de Anclaje en Ortodoncia , Técnicas de Movimiento Dental , Cefalometría , Humanos , Diente MolarRESUMEN
OBJECTIVE: To explore the operative strategy and clinical outcome of the thoracolumbar fracture dislocation. METHODS: Forty-two patients with the thoracolumbar fracture dislocation were treated with anterior approach (10 patients), posterior approach (28 patients), and anterior combined with posterior approach (4 patients) in order to construct the stabilities of the spine. The ASIA grades were used to evaluate the recovery of the neurological function, and the improvement of the kyphosis deformities was evaluated by the cobb's angle post-operation. RESULTS: All the patients had no complications of injury in the vascular and neurological system. The ASIA grades after the operation were superior to those of pre-operation, and the cobb's angle was rectified distinctly. CONCLUSION: When appropriate operative strategies are adopted, thoracolumbar fracture dislocation can be treated with satisfactory outcome.
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Luxaciones Articulares/cirugía , Vértebras Lumbares/cirugía , Fracturas de la Columna Vertebral/cirugía , Vértebras Torácicas/cirugía , Adolescente , Adulto , Femenino , Fijación Interna de Fracturas/métodos , Humanos , Luxaciones Articulares/etiología , Vértebras Lumbares/lesiones , Masculino , Persona de Mediana Edad , Fracturas de la Columna Vertebral/complicaciones , Vértebras Torácicas/lesiones , Resultado del TratamientoRESUMEN
OBJECTIVE: To analyze the evaluation and treatment of blood loss during total hip arthroplasty (THA) and total knee arthroplasty (TKA) in the aged . METHODS: We retrospectively surveyed the blood loss and the rehabilitation of 46 cases of TKA and 146 cases of THA older than 60. RESULTS: In the group younger than 70, the mean total blood loss of THA was 1425 mL and the hidden hemorrhage 729 mL (51%); following the TKA, the mean total loss was 1386 mL and the hidden hemorrhage was 890 mL (64%). In the group 70 and older, the mean total blood loss of THA was 1435 mL and the hidden hemorrhage was 769 mL (53%)û following the TKA, the mean total loss was 1380 mL and the hidden hemorrhage was 910 mL (65%). The difference of hidden hemorrhage between the THA and the TKA was both significant by different (p< 0.05). Age played an important part in the THA group (p< 0.05), but not in the TKA group (> 0.05). CONCLUSION: The aged have poor resistance to blood loss. Hidden hemorrhage in the TKA or THA perhaps is the primary part of the blood loss. Prompt treatment is helpful for the rehabilitation.
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Artroplastia de Reemplazo de Cadera/métodos , Artroplastia de Reemplazo de Rodilla/métodos , Hemorragia/sangre , Complicaciones Posoperatorias/sangre , Factores de Edad , Anciano , Artroplastia de Reemplazo de Cadera/efectos adversos , Artroplastia de Reemplazo de Rodilla/efectos adversos , Pérdida de Sangre Quirúrgica/estadística & datos numéricos , Femenino , Hemorragia/etiología , Hemorragia/terapia , Humanos , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias/etiología , Estudios RetrospectivosRESUMEN
OBJECTIVE: To explore the diagnostic value of 2-dimentional ultrasonography and color Doppler flow imaging (CDFI) in primary bone tumor. METHODS: The hemodynamic parameters such as systolic maximum velocity (Vmax), diastolic minimum velocity (Vmin), resistance index (RI), and pulsatility index (PI) of intratumoral folw in 93 patients with primary bone tumors proved by histopathology were studied using 2-dimentional ultrasonography and CDFI techniques. RESULTS: The bone destruction periosteum response and soft tissue mass were essentially revealed with 2-dimentional ultrasonography techniques. The intratumoral flow features were clearly shown by CDFI. The Vmax and Vmin in malignant bone tumor were significantly higher than those in benign one (P < 0.01). RI and PI in malignant bone tumor were lower than those in benign one (P < 0.01). CONCLUSION: Observing the features of bone tumor and hemodynamic parameters by 2-dimentional ultrasonography and CDFI has a great clinical value in diagnosing primary bone tumor and distinguishing the malignant and benign bone tumors.
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Neoplasias Óseas/diagnóstico por imagen , Osteosarcoma/diagnóstico por imagen , Ultrasonografía Doppler en Color/métodos , Adolescente , Adulto , Velocidad del Flujo Sanguíneo , Femenino , Tumor Óseo de Células Gigantes/diagnóstico por imagen , Humanos , Masculino , Persona de Mediana Edad , Ultrasonografía Doppler Dúplex/métodosRESUMEN
OBJECTIVE: To explore the efficiency of the cervical pedicle screws in the posterior reconstructive operation of the lower cervical diseases. METHODS: From November 2001 to July 2003, 31 patients suffering from the lower cervical diseases were treated with the posterior pedicle screws fixation. We put the screws in the inferior articular process of the upper centrum, the lateral of the intervertebral facet center (3 - 5 mm the medial edge of lateral mass). The angles of toe-in sagittal plane varied from 30 degrees to 45 degrees, and the screws were from 18 to 26 mm (22.3 mm) in average. RESULTS: There were 193 pedicle screws in this group, and no one had spinal cord injury or vertebral artery injury. The improvement rate was 84.5%. Follow-up was from 9 to 28 months (17 months in average). The screws were fixed properly without being loose and broken, and the bone graft fusions within 9 to 12 months in the X-ray and CT scan examination were satisfactory. The Japanese orthopaedics association score (JOA) was 9.7 preoperatively, but it was raised to 16.3 postoperatively. CONCLUSION: The posterior reconstructive operation with cervical pedicle screws is a good choice for patients with lower cervical diseases.
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Tornillos Óseos , Vértebras Cervicales/cirugía , Fijación Interna de Fracturas/métodos , Adulto , Femenino , Estudios de Seguimiento , Fijación Interna de Fracturas/instrumentación , Humanos , Masculino , Persona de Mediana Edad , Resultado del TratamientoRESUMEN
This study aimed to evaluate the efficacy and safety of topical treatment with natural herbal medicines on recurrent aphthous stomatitis (RAS). Nine electronic databases were searched to identify the randomized controlled trials and clinical controlled trials that reported the potential effect of natural herbal medicines on RAS published in Chinese or English. Ulcer size and duration, and remission of pain were assessed as main outcome measures. The methodological quality of the studies was evaluated using the Cochrane Handbook for Systemic Review of Interventions and Rev Man software. Thirteen trials with a total of 1,515 patients were included in the present analysis, which showed that topical treatment with natural herbal medicines seemed to benefit RAS patients by reducing ulcer size, shortening ulcer duration, and relieving pain without severe side effects. In conclusion, there is some evidence of the efficacy of topically applied natural herbal medicines with regards to improved RAS outcome measures and fewer side effects. However, given the limitations of this study, the evidence remains insufficient. Well-designed and high-quality randomized controlled trials are required for further exploration.
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Preparaciones de Plantas , Plantas Medicinales , Estomatitis Aftosa , Humanos , Administración Tópica , Dolor/tratamiento farmacológico , Dolor/etiología , Fitoterapia/efectos adversos , Fitoterapia/métodos , Preparaciones de Plantas/administración & dosificación , Preparaciones de Plantas/efectos adversos , Preparaciones de Plantas/farmacología , Plantas Medicinales/química , Ensayos Clínicos Controlados Aleatorios como Asunto , Recurrencia , Estomatitis Aftosa/tratamiento farmacológico , Estomatitis Aftosa/patologíaRESUMEN
OBJECTIVE: To investigate the value of color Doppler ultrasonography (CDUS)-guided percutaneous biopsy in the diagnosis and treatment of bone tumors. METHODS: Ultrasound-guided percutaneous biopsy was performed in 64 patients who was diagnosed by CDUS. Puncture instruments included automatic core biopsy device and 14 to approximately 18G crude needle. All cases were identified by the operation and pathological examination. RESULTS: Tissue-obtained rate was 97% (62/64). Comparing preoperative pathological diagnosis with postoperative pathological diagnosis, we found the diagnostic correct rate was 97%. No complications resulted from this procedure. According to their pathological results, 33 patients were treated with preoperative chemotherapy. The tumor sizes decreased, and 26 patients saved their limbs and had normal functions. CONCLUSION: CDUS-guided percutaneous biopsy is safe and quick for the preoperative diagnosis and selecting appropriate surgical procedure for bone tumor treatment.
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Neoplasias Óseas/diagnóstico por imagen , Neoplasias Óseas/patología , Ultrasonografía Intervencional , Adolescente , Adulto , Anciano , Biopsia con Aguja , Niño , Femenino , Humanos , Masculino , Persona de Mediana Edad , Osteosarcoma/diagnóstico por imagen , Osteosarcoma/patología , Sensibilidad y Especificidad , Ultrasonografía Doppler en ColorRESUMEN
OBJECTIVE: To explore the possibility of hydroxyapatite/tricalcium phosphate (HA/TCP) matrix scaffold as cell carriers in tissue engineering, and to provide a direct evidence for the resurfacing of matrix scaffold. METHODS: Human bone marrow stromal cells (hBMSCs) and umbilical vein endothelial cells (UVECs) were co-cultured on the surface of matrix scaffold. The morphologic characters during culture on HA/TCP matrix scaffold's surfaces were checked by light microscope, fluorescence microscope, and scanning electronic microscope. RESULTS: Both human bone marrow stromal cells and human umbilical vein endothelial cells showed good biocompatibility with HA/TCP matrix scaffold. The cell growth into the micropore of HA/TCP matrix scaffold could be seen under both fluorescence microscopy and scaning electron microscopy. CONCLUSION: HA/TCP matrix scaffold can be used as a vehicle for the cell transplantation.
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Células de la Médula Ósea/citología , Fosfatos de Calcio , Durapatita , Células Endoteliales/citología , Células del Estroma/citología , Materiales Biocompatibles , Trasplante de Células , Células Cultivadas , Humanos , Ingeniería de Tejidos/métodos , Venas Umbilicales/citologíaRESUMEN
Mouse aldo-keto reductase family 1 member B8 (AKR1B8) has the highest similarity to human aldo-keto reductase family 1 member B10 (AKR1B10), a secretory protein through lysosomes-mediated non-classical secretory pathway. To identify whether AKR1B8 is secreted through the same pathway, we carried out this study. Self-developed sandwich ELISA and western blot were used to detect AKR1B8 in cells and culture medium of CT-26 murine colon carcinoma cells. AKR1B8 releases in an independent manner to Brefeldin A, an inhibitor of ER-to-Golgi classical secretion pathway. Several factors, which are involved in the non-classical secretion pathway, such as temperature, ATP and calcium ion, regulated AKR1B8 secretion from mouse colorectal cancer cells CT-26. Lysosomotropic NH4Cl increased AKR1B8 secretion, and AKR1B8 was located in isolated lysosomes. Therefore, AKR1B8 is a new secretory protein through the lysosomes-mediated non-classical pathway.