scholarly journals Evaluation of serum ATX and LPA as potential diagnostic biomarkers in patients with pancreatic cancer

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Jiang Chen ◽  
Hongyu Li ◽  
Wenda Xu ◽  
Xiaozhong Guo
Keyword(s):  
Pancreatic Cancer ◽  
Poor Prognosis ◽  
Prognostic Value ◽  
Potential Role ◽  
Early Stage ◽  
Serum Levels ◽  
Diagnostic Efficacy ◽  
Diagnostic Biomarkers ◽  
The Poor

Abstract Background Pancreatic cancer (PC) is a devastating disease that has a poor prognosis and a total 5-year survival rate of around 5%. The poor prognosis of PC is due in part to a lack of suitable biomarkers that can allow early diagnosis. The lysophospholipase autotaxin (ATX) and its product lysophosphatidic acid (LPA) play an essential role in disease progression in PC patients and are associated with increased morbidity in several types of cancer. In this study, we evaluated both the potential role of serum LPA and ATX as diagnostic markers in PC and their prognostic value for PC either alone or in combination with CA19-9. Methods ATX, LPA and CA19-9 levels were evaluated using ELISA of serum obtained from PC patients (n = 114) healthy volunteers (HVs: n = 120) and patients with benign pancreatic diseases (BPDs: n = 94). Results Serum levels of ATX, LPA and CA19-9 in PC patients were substantially higher than that for BPD patients or HVs (p < 0.001). The sensitivity of LPA in early phase PC was 91.74% and the specificity of ATX was 80%. The levels of ATX, LPA and CA19-9 were all substantially higher for early stage PC patients compared to levels in serum from BPD patients and HVs. The diagnostic efficacy of CA19-9 for PC was significantly enhanced by the addition of ATX and LPA (p = 0.0012). Conclusion Measurement of LPA and ATX levels together with CA19-9 levels can be used for early detection of PC and diagnosis of PC in general.

PET/CT IN THE DIAGNOSIS OF PANCREATIC CANCER: LITERATURE REVIEW

2018 ◽  
pp. 57-67
Author(s):  
P. E. Tulin ◽  
M. B. Dolgushin ◽  
D. I. Nevzorov ◽  
P. V. Kochergin ◽  
Yu. I. Patyutko
Keyword(s):  
Pancreatic Cancer ◽  
Literature Review ◽  
Pancreatic Neoplasms ◽  
Poor Prognosis ◽  
Modern Imaging ◽  
Pet Ct

Pancreatic cancer has a poor prognosis, often because most pancreatic neoplasms are found to be unresectable at diagnosis. Early staging of the tumor process can change the tactics of treatment and affect the survival of patients. The purpose of this review is to provide an overview of pancreatic cancer and the role of modern imaging in its diagnosis with an emphasis on PET/CT with a various radiopharmaceuticals.

scholarly journals The role of phosphoprotein phosphatases catalytic subunit genes in pancreatic cancer

2021 ◽  
Vol 41 (1) ◽  
Author(s):  
Junjie Hang ◽  
Steven Yuk-Fai Lau ◽  
Ruohan Yin ◽  
Lina Zhu ◽  
Siyuan Zhou ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Prognostic Value ◽  
Chi Square ◽  
Catalytic Subunits ◽  
Beneficial Effects ◽  
Phosphoprotein Phosphatases ◽  
Kaplan Meier ◽  
Chi Square Test ◽  
Independent Cohort

Abstract Compelling evidence suggests that phosphoprotein phosphatases (PPPs) are involved in a large spectrum of physiological and pathological processes, but little is known about their roles in pancreatic cancer. We investigated the expression level, prognostic value, and potential function of PPPs with data from Oncomine, GEPIA, THPA, and TCGA databases and an independent cohort of patients with pancreatic cancer. Among all the PPP catalytic subunits (PPPcs), the transcription levels of PPP1CA, PPP1CB, PPP3CA, PPP3CB, and PPP4C were higher in pancreatic cancer than in normal pancreas (P&lt;0.01, fold change &gt; 2). Kaplan–Meier analysis showed that high transcription levels of PPP1CA, PPP1CB, PPP2CA, PPP2CB, PPP3CA, and PPP4C correlated with poorer survival. In contrast, patients with high levels of PPP3CB, PPP3CC, PPP5C, PPP6C, and PPEF2 had much better prognoses. Data from THPA and patients with pancreatic cancer enrolled in our hospital also confirmed the prognostic value of PPP1CA, PPP1CB, PPP2CA, PPP2CB, PPP3CA, PPP3CB, and PPP6C at the protein level. In addition, the Pearson Chi-square test showed that PPP3CB level was significantly correlated with T and N stages. GO and KEGG analyses showed that the genes and pathways related to the pathogenesis and progression of pancreatic cancer were greatly affected by alterations in PPPcs. Results of the present study suggest that PPP1CA, PPP1CB, PPP2CA, PPP2CB, and PPP3CA have deleterious effects but PPP3CB, PPP5C, and PPP6C have beneficial effects on pancreatic cancer.

scholarly journals HOXB4 promotes the malignant progression of ovarian cancer via DHDDS

2019 ◽  
Author(s):  
Na Li ◽  
Jiao Xiong ◽  
Zhengyu Li
Keyword(s):  
Ovarian Cancer ◽  
Poor Prognosis ◽  
Malignant Progression ◽  
Stem Cell Markers ◽  
Tumor Proliferation ◽  
The Poor ◽  
Proliferation And Metastasis ◽  
Proliferation And Invasion ◽  
Tumor Proliferation And Metastasis

Abstract Background: Homeobox B4 (HOXB4) is associated with the poor prognosis of various cancer types. However, how HOXB4 promotes ovarian cancer (OV) progression remains to be determined. Methods：The Cancer Genome Atlas (TCGA) database indicated that high level of HOXB4 in OV was correlated with poor prognosis. The biological functions of HOXB4 were confirmed through a colony formation, migration, and invasion assay. The effect of HOXB4 on the expression of EMT and cancer stem cell markers was detected. The transcriptional target of HOXB4 was DHDDS, which was detected by a ChIP assay. A xenograft tumor model was performed in nude mice to detect the role of HOXB4 in tumor proliferation and metastasis. Results：Results showed that the expression of HOXB4 was higher in OV tissues than in normal tissues and correlated with the poor prognosis of OV. HOXB4 knockdown suppressed the proliferation and invasion ability of OV cells in vitro. Conversely, these effects were enhanced by the up-regulation of HOXB4 in OV cells. The binding of two DNA motifs through HOXB4 regulated DHDDS expression and contributed to the malignant progression of OV. The role of HOXB4 in promoting tumor proliferation and metastasis was verified in mice. Further investigation revealed that HOXB4 triggered Snail and Zeb1 expression. Conclusion: Overall, HOXB4 overexpression was remarkably correlated with the poor prognosis of OV. HOXB4 up-regulated DHDDS, which co-contributed to the enhancer proliferation and invasion of OV cells, thus accelerating the malignant progression of OV.

scholarly journals Role of Diffusion Tensor Imaging Combined with Neuron-Specific Enolase and S100 calcium-binding protein B Detection in Predicting the Prognosis of Moderate and Severe Traumatic Brain Injury

2021 ◽  
Keyword(s):  
Poor Prognosis ◽  
Neuron Specific Enolase ◽  
Good Prognosis ◽  
S100b Protein ◽  
Control Group ◽  
The Poor ◽  
Severe Tbi ◽  
Prognosis Group ◽  
Good Prognosis Group

Background Traumatic brain injury (TBI) seriously affects the quality of life of patients. The present study evaluated the role of diffusion tensor imaging (DTI) combined with Neuron-Specific Enolase (NSE) and S100 calcium-binding protein B (S100B) protein in predicting the prognosis of moderate and severe TBI. Methods The TBI patients were divided into moderate TBI (TBIm) and severe TBI (TBIs) groups according to the Glasgow Coma Scale (GCS) after admission. The patients were then divided into good and poor prognosis groups according to the Glasgow Outcome Scale (GOS); moreover, their follow-ups were recorded at 3 and 6 months after injury. This study also included 65 healthy individuals with matched age and gender as the control group. The fractional anisotropy (FA) values of DTI, serum neuron-specific enolase (NSE), and S100B protein levels were detected in this study. The data were analyzed in SPSS software (version 22.0) to evaluate the role of DTI combined with NSE and S100B protein in predicting the prognosis in TBIm and TBIs. Results: After TBI, the FA values of DTI in the TBI group were lower than those in the control group (P<0.05); moreover, the serum NSE and S100B values in the TBI group were higher than those in the control group (P<0.05). In the TBIm patients, the FA values of the corpus callosum in the good prognosis group were higher than that in the poor prognosis group (P<0.05); however, there was no significant difference between the two groups regarding the FA values of the internal capsule and the cerebral peduncle (P>0.05). The serum levels of NSE and S100B in the good prognosis group were significantly lower than those in the poor prognosis group (P<0.05). In the TBIs patients, the FA value of all areas in the good prognosis group was significantly higher than that in the poor prognosis group (P<0.05). However, there was no significant difference between the two prognosis groups regarding the serum levels of NSE and S100B (P>0.05). Conclusion Although DTI combined with NSE and S100B protein can effectively predict the prognosis of patients with moderate and severe TBI in the early stages, various other measures have been used in the studies to predict the prognosis of TBI patients. Accordingly, comparison with other measures is essential in further studies.

scholarly journals The Role of Radiotherapy for Pancreatic Malignancies- A Population-based Analysis of the SEER-Medicare Database.

2020 ◽  
Author(s):  
yunxiu luo ◽  
Shengjun Xiao
Keyword(s):  
Pancreatic Cancer ◽  
Pancreatic Carcinoma ◽  
Adjuvant Radiotherapy ◽  
Adenosquamous Carcinoma ◽  
Early Stage ◽  
Pancreatic Head ◽  
Population Based ◽  
Anatomical Location ◽  
Duct Carcinoma

Abstract Background and objective. To investigate the role of adjuvant radiotherapy in patients after surgical resection for pancreatic cancer. Methods and patients. The patients with pancreatic cancer from 18 registered institutions in the Surveillance Epidemiology and End Results (SEER) database were retrospectively analyzed. The characteristics of patients who would benefit from adjuvant radiotherapy were screened, as well as whether neoadjuvant or adjuvant radiotherapy conferred to a better clinical outcome. Results. 30249 patients included in this study (21295 vs 8954 in surgery and adjuvant radiotherapy group) .The median survivals in the surgery (S) group and adjuvant radiotherapy (S+R) group were 24 and 21 months respectively, The 1, 3, and 5-year overall survival (OS) rates in the S group and S+R group were 68%, 40%, 31% ,and 75%, 30%, 20%, respectively (p<0.001).Stratified analysis showed patients with histological classified as adenocarcinoma(15 VS 21, P<0.0001), infiltrating duct carcinoma (17 VS 21,P<0.0001), adenosquamous carcinoma(10 VS 18,P<0.0001) could be benefit from adjuvant radiotherapy. Adjuvant radiotherapy was helpful to improve the OS for patients with pancreatic head (19 VS 21, P=0.0003) and duct carcinoma (18VS 28, P=0.0121). Subgroup stratified assay indicated specific patients with early stage (AJCC 7th I, II, T2, N0) pancreatic carcinoma had better OS after additional radiotherapy than surgery alone. Conclusion. Additional radiotherapy may contribute to improved prognosis for patients with pancreatic carcinoma of specific histological types (adenocarcinoma/carcinoma, infiltrating duct carcinoma, adenosquamous carcinoma, and squamous), anatomical location, and advanced stage. A specific subgroup of patients with an early stage (I/II, T2) pancreatic cancer should be considered for additional radiotherapy.

scholarly journals MicroRNA-143/-145 in Cardiovascular Diseases

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Wang Zhao ◽  
Shui-Ping Zhao ◽  
Yu-Hong Zhao
Keyword(s):  
Smooth Muscle ◽  
Cardiovascular Diseases ◽  
Vascular Smooth Muscle Cells ◽  
Essential Role ◽  
Recent Progress ◽  
Potential Role ◽  
Phenotypic Switching ◽  
Diagnostic Biomarkers ◽  
Potential Strategy

MicroRNAs (miRNAs) play an essential role in the onset and development of many cardiovascular diseases. Increasing evidence shows that miRNAs can be used as potential diagnostic biomarkers for cardiovascular diseases, and miRNA-based therapy may be a promising therapy for the treatment of cardiovascular diseases. The microRNA-143/-145 (miR-143/-145) cluster is essential for differentiation of vascular smooth muscle cells (VSMCs) and determines VSMC phenotypic switching. In this review, we summarize the recent progress in knowledge concerning the function of miR-143/-145 in the cardiovascular system and their role in cardiovascular diseases. We discuss the potential role of miR-143/-145 as valuable biomarkers for cardiovascular diseases and explore the potential strategy of targeting miR-143 and miR-145.

scholarly journals Fungal Gut Microbiota Dysbiosis and Its Role in Colorectal, Oral, and Pancreatic Carcinogenesis

Cancers ◽  
2020 ◽  
Vol 12 (5) ◽  
pp. 1326 ◽  
Author(s):  
Karolina Kaźmierczak-Siedlecka ◽  
Aleš Dvořák ◽  
Marcin Folwarski ◽  
Agnieszka Daca ◽  
Katarzyna Przewłócka ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Gut Microbiota ◽  
Early Stage ◽  
Saccharomyces Boulardii ◽  
Cancer Development ◽  
Disease Stage ◽  
Fungal Microbiota ◽  
Colorectal Cancer Patients

The association between bacterial as well as viral gut microbiota imbalance and carcinogenesis has been intensively analysed in many studies; nevertheless, the role of fungal gut microbiota (mycobiota) in colorectal, oral, and pancreatic cancer development is relatively new and undiscovered field due to low abundance of intestinal fungi as well as lack of well-characterized reference genomes. Several specific fungi amounts are increased in colorectal cancer patients; moreover, it was observed that the disease stage is strongly related to the fungal microbiota profile; thus, it may be used as a potential diagnostic biomarker for adenomas. Candida albicans, which is the major microbe contributing to oral cancer development, may promote carcinogenesis via several mechanisms, mainly triggering inflammation. Early detection of pancreatic cancer provides the opportunity to improve survival rate, therefore, there is a need to conduct further studies regarding the role of fungal microbiota as a potential prognostic tool to diagnose this cancer at early stage. Additionally, growing attention towards the characterization of mycobiota may contribute to improve the efficiency of therapeutic methods used to alter the composition and activity of gut microbiota. The administration of Saccharomyces boulardii in oncology, mainly in immunocompromised and/or critically ill patients, is still controversial.

scholarly journals Exosomal miRNAs in Lung Diseases: From Biologic Function to Therapeutic Targets

2019 ◽  
Vol 8 (9) ◽  
pp. 1345 ◽  
Author(s):  
Julien Guiot ◽  
Ingrid Struman ◽  
Edouard Louis ◽  
Renaud Louis ◽  
Michel Malaise ◽  
...  
Keyword(s):  
Lung Disease ◽  
Disease Progression ◽  
Lung Diseases ◽  
Potential Role ◽  
Protective Effects ◽  
Diagnostic Biomarkers ◽  
Exosomal Mirnas ◽  
Stress Signals ◽  
Therapeutic Tools

Increasing evidence suggests the potential role of extracellular vesicles (EVs) in many lung diseases. According to their subcellular origin, secretion mechanism, and size, EVs are currently classified into three subpopulations: exosomes, microvesicles, and apoptotic bodies. Exosomes are released in most biofluids, including airway fluids, and play a key role in intercellular communication via the delivery of their cargo (e.g., microRNAs (miRNAs)) to target cell. In a physiological context, lung exosomes present protective effects against stress signals which allow them to participate in the maintenance of lung homeostasis. The presence of air pollution alters the composition of lung exosomes (dysregulation of exosomal miRNAs) and their homeostatic property. Indeed, besides their potential as diagnostic biomarkers for lung diseases, lung exosomes are functional units capable of dysregulating numerous pathophysiological processes (including inflammation or fibrosis), resulting in the promotion of lung disease progression. Here, we review recent studies on the known and potential role of lung exosomes/exosomal miRNAs, in the maintaining of lung homeostasis on one hand, and in promoting lung disease progression on the other. We will also discuss using exosomes as prognostic/diagnostic biomarkers as well as therapeutic tools for lung diseases.

scholarly journals Phytosulfokine Is Involved in Positive Regulation of Lotus japonicus Nodulation

2015 ◽  
Vol 28 (8) ◽  
pp. 847-855 ◽  
Author(s):  
Chao Wang ◽  
Haixiang Yu ◽  
Zhongming Zhang ◽  
Liangliang Yu ◽  
Xiaoshu Xu ◽  
...  
Keyword(s):  
Potential Role ◽  
Early Stage ◽  
Root Nodules ◽  
Lotus Japonicus ◽  
Positive Regulation ◽  
Transgenic Hairy Roots ◽  
Exogenous Addition ◽  
Nodule Initiation ◽  
Spontaneous Nodules

Phytosulfokine (PSK) is a tyrosine-sulfated peptide that is widely distributed in plants, participating in cell proliferation, differentiation, and innate immunity. The potential role of PSK in nodulation in legumes has not been reported. In this work, five PSK precursor genes were identified in Lotus japonicas, designated as LjPSK1 to LjPSK5. Three of them (LjPSK1, LjPSK4, and LjPSK5) were found to be expressed in nitrogen-fixing root nodules. LjPSK1 and LjPSK4 were not induced at the early stage of nodulation. Interestingly, while the expression of LjPSK4 was also found in spontaneous nodules without rhizobial colonization, LjPSK1 was not induced in these pseudo nodules. Promoter-β-glucuronidase analysis revealed that LjPSK1 was highly expressed in enlarged symbiotic cells of nodules. Exogenous addition of 1 μM synthetic PSK peptide resulted in increased nodule numbers per plant. Consistently, the number of mature nodules but not the events of rhizobial infection and nodule initiation was increased by overexpressing LjPSK1 in transgenic hairy roots, in which the expression of jasmonate-responsive genes was found to be repressed. These results suggest that PSK is a new peptide signal that regulates nodulation in legumes, probably through cross-talking with other phytohormones.

Sign in / Sign up

Export Citation Format

Share Document