scholarly journals 4530 Elucidating the Influence of Chemotherapy (melphalan) and /or C. difficile toxin B Exposure on Beta-catenin Protein Expression in Caco-2 Monolayers

2020 ◽  
Vol 4 (s1) ◽  
pp. 95-95
Author(s):  
Jailene Canales ◽  
Alison Weiss ◽  
Senu Apewokin
Keyword(s):  
Protein Expression ◽  
List Type ◽  
Beta Catenin ◽  
Toxin B ◽  
Protein Levels ◽  
Caco2 Cells ◽  
Adenocarcinoma Cells ◽  
Significant Difference ◽  
Study Population

OBJECTIVES/GOALS: We previously reported that genetic polymorphisms in the beta-catenin gene (CTNNB) are associated with the development of Clostridiodes difficile colitis during autologous stem cell transplantation (https://www-ncbi-nlm-nih-gov.proxy.libraries.uc.edu/pubmed/29594489). To biological validate these findings, we sought to evaluate the development of chemotherapy-associated Clostridiodes difficile infections by assessing the effect of C.difficile toxin B (TcdB) and of using melphalan in beta-catenin protein expression in Caco2 cells. METHODS/STUDY POPULATION: To determine the effect of melphalan and/or C.difficile toxin B on expression of Beta-catenin from human gut epithelial cells: Adenocarcinoma cells (Caco-2) cells were seeded and allowed to grow into monolayersMonolayers were treated with PBS, TcdB, melphalan and/or TcdB + melphalan for 24 hours and then washed with PBSImmunofluorescence was measured on the monolayers to visualize three markers -DAPI-Nuclear Stain (blue),Actin-ccytoskeletal stain (red), B-Catenin (green)Analysis of images with ImageJ (NIH). Statistical analysis of the effect of TcdB and/or melphalan on β-catenin protein levels was determined by One-way ANOVA Cells stained with a primary anti-β catenin antibody and an Alexa-488 secondary antibody were evaluated by flow cytometry to quantify the effect of melphalan and/or C. difficile toxin B on Caco2 cells. RESULTS/ANTICIPATED RESULTS: Immunofluorescent intensity was higher in the control (PSS exposed) cells when compared to melphalan, TcdB and mephalan+TcdB exposed cells (p = 0.026, 0.004 and 0.049 respectively) DISCUSSION/SIGNIFICANCE OF IMPACT: A significant difference was seen in β catenin expression in Caco-2 monolayers exposed to TcdB and/or melphalan. These data support the a role of β-catenin in the pathophysiology of CDI during chemotherapy and support GWAS findings reporting a difference in CDI susceptibility based on β-catenin genotype.

scholarly journals Diagnostic Value of C-Reactive Protein in Discrimination between Uncomplicated and Complicated Parapneumonic Effusion

Diagnostics ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 829
Author(s):  
Yana Kogan ◽  
Edmond Sabo ◽  
Majed Odeh
Keyword(s):  
Area Under The Curve ◽  
Diagnostic Value ◽  
Parapneumonic Effusion ◽  
C Reactive Protein ◽  
Diagnostic Efficacy ◽  
Reactive Protein ◽  
Significant Difference ◽  
Study Population ◽  
Complicated Parapneumonic Effusion

Objectives: The role of serum C-reactive protein (CRPs) and pleural fluid CRP (CRPpf) in discriminating uncomplicated parapneumonic effusion (UCPPE) from complicated parapneumonic effusion (CPPE) is yet to be validated since most of the previous studies were on small cohorts and with variable results. The role of CRPs and CRPpf gradient (CRPg) and of their ratio (CRPr) in this discrimination has not been previously reported. The study aims to assess the diagnostic efficacy of CRPs, CRPpf, CRPr, and CRPg in discriminating UCPPE from CPPE in a relatively large cohort. Methods: The study population included 146 patients with PPE, 86 with UCPPE and 60 with CPPE. Levels of CRPs and CRPpf were measured, and the CRPg and CRPr were calculated. The values are presented as mean ± SD. Results: Mean levels of CRPs, CRPpf, CRPg, and CRPr of the UCPPE group were 145.3 ± 67.6 mg/L, 58.5 ± 38.5 mg/L, 86.8 ± 37.3 mg/L, and 0.39 ± 0.11, respectively, and for the CPPE group were 302.2 ± 75.6 mg/L, 112 ± 65 mg/L, 188.3 ± 62.3 mg/L, and 0.36 ± 0.19, respectively. Levels of CRPs, CRPpf, and CRPg were significantly higher in the CPPE than in the UCPPE group (p < 0.0001). No significant difference was found between the two groups for levels of CRPr (p = 0.26). The best cut-off value calculated by the receiver operating characteristic (ROC) analysis for discriminating UCPPE from CPPE was for CRPs, 211.5 mg/L with area under the curve (AUC) = 94% and p < 0.0001, for CRPpf, 90.5 mg/L with AUC = 76.3% and p < 0.0001, and for CRPg, 142 mg/L with AUC = 91% and p < 0.0001. Conclusions: CRPs, CRPpf, and CRPg are strong markers for discrimination between UCPPE and CPPE, while CRPr has no role in this discrimination.

scholarly journals STIM1 deficiency is linked to Alzheimer’s disease and triggers cell death in SH-SY5Y cells by upregulation of L-type voltage-operated Ca2+ entry

2018 ◽  
Vol 96 (10) ◽  
pp. 1061-1079 ◽  
Author(s):  
Carlos Pascual-Caro ◽  
Maria Berrocal ◽  
Aida M. Lopez-Guerrero ◽  
Alberto Alvarez-Barrientos ◽  
Eulalia Pozo-Guisado ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Cell Death ◽  
Protein Expression ◽  
Transmembrane Domain ◽  
Neuroblastoma Cell ◽  
Disease Patient ◽  
List Type

Abstract STIM1 is an endoplasmic reticulum protein with a role in Ca2+ mobilization and signaling. As a sensor of intraluminal Ca2+ levels, STIM1 modulates plasma membrane Ca2+ channels to regulate Ca2+ entry. In neuroblastoma SH-SY5Y cells and in familial Alzheimer’s disease patient skin fibroblasts, STIM1 is cleaved at the transmembrane domain by the presenilin-1-associated γ-secretase, leading to dysregulation of Ca2+ homeostasis. In this report, we investigated expression levels of STIM1 in brain tissues (medium frontal gyrus) of pathologically confirmed Alzheimer’s disease patients, and observed that STIM1 protein expression level decreased with the progression of neurodegeneration. To study the role of STIM1 in neurodegeneration, a strategy was designed to knock-out the expression of STIM1 gene in the SH-SY5Y neuroblastoma cell line by CRISPR/Cas9-mediated genome editing, as an in vitro model to examine the phenotype of STIM1-deficient neuronal cells. It was proved that, while STIM1 is not required for the differentiation of SH-SY5Y cells, it is absolutely essential for cell survival in differentiating cells. Differentiated STIM1-KO cells showed a significant decrease of mitochondrial respiratory chain complex I activity, mitochondrial inner membrane depolarization, reduced mitochondrial free Ca2+ concentration, and higher levels of senescence as compared with wild-type cells. In parallel, STIM1-KO cells showed a potentiated Ca2+ entry in response to depolarization, which was sensitive to nifedipine, pointing to L-type voltage-operated Ca2+ channels as mediators of the upregulated Ca2+ entry. The stable knocking-down of CACNA1C transcripts restored mitochondrial function, increased mitochondrial Ca2+ levels, and dropped senescence to basal levels, demonstrating the essential role of the upregulation of voltage-operated Ca2+ entry through Cav1.2 channels in STIM1-deficient SH-SY5Y cell death. Key messages STIM1 protein expression decreases with the progression of neurodegeneration in Alzheimer’s disease. STIM1 is essential for cell viability in differentiated SH-SY5Y cells. STIM1 deficiency triggers voltage-regulated Ca2+ entry-dependent cell death. Mitochondrial dysfunction and senescence are features of STIM1-deficient differentiated cells.

GCM2 Silencing in Parathyroid Adenoma is associated with Promoter Hypermethylation and Gain of Methylation on Histone 3

2021 ◽  
Author(s):  
Priyanka Singh ◽  
Sanjay Kumar Bhadada ◽  
Divya Dahiya ◽  
Uma Nahar Saikia ◽  
Ashutosh Kumar Arya ◽  
...  
Keyword(s):  
Protein Expression ◽  
Parathyroid Adenoma ◽  
Dna Methyltransferase ◽  
Promoter Hypermethylation ◽  
Epigenetic Alterations ◽  
Protein Levels ◽  
Histone 3 ◽  
Parathyroid Adenomas ◽  
Mrna And Protein Expression

Abstract Purpose Glial cells missing 2 (GCM2), a zinc finger-transcription factor, is essentially required for the development of parathyroid glands. We sought to identify if the epigenetic alterations in the GCM2 transcription are involved in the pathogenesis of sporadic parathyroid adenoma. In addition, we examined the association between promoter methylation and histone modifications with disease indices. Experimental design mRNA and protein expression of GCM2 were analyzed by RT-qPCR and immunohistochemistry in 33 adenomatous and 10 control parathyroid tissues. DNA methylation and histone methylation/acetylation of GCM2 promoter were measured by bisulfite sequencing and ChIP-qPCR. Additionally, we investigated the role of epigenetic modifications on GCM2 and DNA methyltransferase 1 (DNMT1) expression in PTH-C1 cells by treating with 5-aza 2’deoxycytidine (DAC) and BRD4770 and assessed for GCM2 mRNA and DNMT1 protein levels. Results mRNA and protein expression of GCM2 were lower in sporadic adenomatous than in control parathyroid tissues. This reduction correlated with hypermethylation (P&lt;0.001) and higher H3K9me3 levels in GCM2 promoter (P&lt;0.04) in adenomas. In PTH-C1 cells, DAC treatment resulted in increased GCM2 transcription and decreased DNMT1 protein expression, while cells treated with the BRD4770 showed reduced H3K9me3 levels but a non-significant change in GCM2 transcription. Conclusion These findings suggest the concurrent association of promoter hypermethylation and higher H3K9me3 with the repression of GCM2 expression in parathyroid adenomas. Treatment with DAC restored GCM2 expression in PTH-C1 cells. Our results showed a possible epigenetic landscape in the tumorigenesis of parathyroid adenoma and also that DAC may be promising avenues of research for parathyroid adenoma therapeutics.

scholarly journals Complement protein levels and MBL2 polymorphisms are associated with dengue and disease severity

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Ngo Truong Giang ◽  
Hoang van Tong ◽  
Do Quyet ◽  
Nghiem Xuan Hoan ◽  
Trinh Huu Nghia ◽  
...  
Keyword(s):  
Warning Signs ◽  
Severe Dengue ◽  
Healthy Controls ◽  
Complement Protein ◽  
Complement Proteins ◽  
Protein Levels ◽  
Study Population ◽  
Dengue With Warning Signs ◽  
The Complement System

Abstract The complement system may be crucial during dengue virus infection and progression to severe dengue. This study investigates the role of MBL2 genetic variants and levels of MBL in serum and complement proteins in Vietnamese dengue patients. MBL2 genotypes (− 550L/H, MBL2 codon 54), MBL2 diplotypes (XA/XO, YA/XO) and MBL2 haplotypes (LXPB, HXPA, XO) were associated with dengue in the study population. The levels of complement factors C2, C5, and C5a were higher in dengue and dengue with warning signs (DWS) patients compared to those in healthy controls, while factor D levels were decreased in dengue and DWS patients compared to the levels determined in healthy controls. C2 and C5a levels were associated with the levels of AST and ALT and with WBC counts. C9 levels were negatively correlated with ALT levels and WBC counts, and factor D levels were associated with AST and ALT levels and with platelet counts. In conclusions, MBL2 polymorphisms are associated with dengue in the Vietnamese study population. The levels of the complement proteins C2, C4b, C5, C5a, C9, factor D and factor I are modulated in dengue patients during the clinical course of dengue.

scholarly journals Deposition of BACE-1 Protein in the Brains of APP/PS1 Double Transgenic Mice

2016 ◽  
Vol 2016 ◽  
pp. 1-9 ◽  
Author(s):  
Gang Luo ◽  
Hongxia Xu ◽  
Yinuo Huang ◽  
Dapeng Mo ◽  
Ligang Song ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Transgenic Mice ◽  
Protein Expression ◽  
Protein Accumulation ◽  
Significant Difference ◽  
Abnormal Accumulation ◽  
Double Transgenic Mice ◽  
Bace 1

The main causes of Alzheimer’s disease remain elusive. Previous data have implicated the BACE-1 protein as a central player in the pathogenesis of Alzheimer’s disease. However, many inhibitors of BACE-1 have failed during preclinical and clinical trials for AD treatment. Therefore, uncovering the exact role of BACE-1 in AD may have significant impact on the future development of therapeutic agents. Three- and six-month-old female APP/PS1 double transgenic mice were used to study abnormal accumulation of BACE-1 protein in brains of mice here. Immunofluorescence, immunohistochemistry, and western blot were performed to measure the distributing pattern and expression level of BACE-1. We found obvious BACE-1 protein accumulation in 3-month-old APP/PS1 mice, which had increased by the time of 6 months. Coimmunostaining results showed BACE-1 surrounded amyloid plaques in brain sections. The abnormal protein expression might not be attributable to the upregulation of BACE-1 protein, as no significant difference of protein expression was observed between wild-type and APP/PS1 mice. With antibodies against BACE-1 and CD31, we found a high immunoreactive density of BACE-1 protein on the outer layer of brain blood vessels. The aberrant distribution of BACE-1 in APP/PS1 mice suggests BACE-1 may be involved in the microvascular abnormality of AD.

scholarly journals Role of Plasma Presepsin, Procalcitonin and C-reactive Protein Levels in Determining the Severity and Mortality of Community-Acquired Pneumonia in the Emergency Department

2020 ◽  
Keyword(s):  
Emergency Department ◽  
Community Acquired Pneumonia ◽  
C Reactive Protein ◽  
Pneumonia Severity ◽  
Protein Levels ◽  
Reactive Protein ◽  
Imaging Results ◽  
Severity Scores ◽  
Significant Difference

Objective: In this study, we aimed to explore the role of the plasma presepsin level in patients with community-acquired pneumonia during admission to the emergency department in assessing the diagnosis, severity, and prognosis of the disease. In addition, we wanted to investigate the relationship of presepsinin with procalcitonin, C-reactive protein and pneumonia severity scores. Methods: One hundred twenty-three patients over the age of 18 who presented with a diagnosis of pneumonia to the emergency department were included in the study. The vital signs, symptoms, examination findings, background information, laboratory results, and radiological imaging results of the patients were recorded. The 30-day mortality rates of the patients were determined. Results: A statistically significant difference was found between the presepsin levels of the patients diagnosed with pneumonia and those of healthy subjects (p < 0.05). The plasma presepsin levels of the patients who died (8.63 ± 6.46) were significantly higher than those of the patients who lived (5.82 ± 5.97) (p < 0.05). The plasma procalcitonin and C-reactive protein levels of the dead patients were significantly higher than those living (p < 0.05). A presepsin cut-off value of 3.3 ng/mL for 30-day mortality was established (AUROC, 0.65; specificity, 45%; sensitivity, 82%). Procalcitonin is the most successful biomarker in the determination of mortality (AUROC, 0.70). A significant correlation was available between presepsin and lactate, C-reactive protein and procalcitonin (p < 0.05). There was a significant correlation between the Pneumonia Severity Index values and presepsin levels (p < 0.001, r = 0.311). Conclusion: The plasma presepsin level can be utilized for diagnosing community-acquired pneumonia. Plasma presepsin, procalcitonin and C-reactive protein levels can be used to predict the severity and mortality of community-acquired pneumonia.

scholarly journals 3065 A1BG and ITIH4 proteins are upregulated on HDL of youth with type 1 diabetes and correlate with glycemic control

2019 ◽  
Vol 3 (s1) ◽  
pp. 31-32
Author(s):  
Evgenia Gourgari ◽  
Scott Gordon ◽  
Junfeng Ma ◽  
Martin Playford ◽  
Nehal Mehta ◽  
...  
Keyword(s):  
Glycemic Control ◽  
Hdl Cholesterol ◽  
Label Free ◽  
Cvd Risk ◽  
Protein Levels ◽  
Hdl Function ◽  
Associated Proteins ◽  
Study Population

OBJECTIVES/SPECIFIC AIMS: Our objective was to compare the proteomics of HDL between youth with T1DM and healthy controls (HC). METHODS/STUDY POPULATION: We did chromatography-based HDL purification and SWATH-MS-based proteomic quantitation. Proteomic alterations of HDL fractions and their association with glycemic control was examined. Study population: 26 patients with T1DM and 13 HC. RESULTS/ANTICIPATED RESULTS: We quantified 78 proteins in isolated HDL, using mass spectrometry and label-free SWATH quantification. Youth with T1DM had significantly higher protein levels of A1BG (P = 0.008), A2AP (P = 0.0448), APOA4 (P = 0.0366), CFAH (P = 0.0476), FHR2 (P = 0.0005), ITIH4(P = 0.01), PGRP2 (P = 0.0167) and lower levels of ALBU (P = 0.0164) and CO3 (P = 0.019) compared to HC. A1BG (r=0.541, P<0.001) and ITIH4 (r=0.357, P = 0.026) were significantly positively correlated with HbA1c. DISCUSSION/SIGNIFICANCE OF IMPACT: Youth with T1DM have proteomic alterations of their HDL compared to HC, despite similar concentration of HDL cholesterol, that might affect the cardioprotective mechanisms of HDL. Future efforts should focus on investigating the role of these HDL associated proteins in regard to HDL function and their role in CVD risk in patients with T1DM.

Prognostic role of programmed cell death protein 1 expression in surgically treated patients with upper tract urothelial carcinoma.

2016 ◽  
Vol 34 (2_suppl) ◽  
pp. 402-402
Author(s):  
Nozomi Hayakawa ◽  
Eiji Kikuchi ◽  
Ryuichi Mizuno ◽  
Keishiro Fukumoto ◽  
Takeo Kosaka ◽  
...  
Keyword(s):  
Cell Death ◽  
Programmed Cell Death ◽  
Protein Expression ◽  
Urothelial Carcinoma ◽  
Lymphovascular Invasion ◽  
Upper Tract Urothelial Carcinoma ◽  
Upper Tract ◽  
Significant Difference ◽  
Cell Death Protein

402 Background: Programmed cell death protein (PD-1) expressed on active T cells, and its ligand PD-L1 expressed on the surface of cancer cells, complementarily down-regulate T cell activation and are related to immune tolerance. A close association between PD-1 expression and poor prognosis has been reported in several cancers, however, in upper tract urothelial carcinoma (UTUC) the role of PD-1 expression on clinical outcome has not been investigated. Methods: The protein expression of PD-1 was evaluated by immunohistochemistry and the relationship with clinicopathological features was investigated in surgical specimens obtained from 100 patients who had been surgically treated for UTUC. At a magnification of 200x, PD-1 protein expression was estimated and the positive cells were graded as no (negative), moderate (1-10 cells), and strong ( > 10 cells). Results: Twenty-four patients (24.0%) had strong PD-1 staining, 32 patients (32.0%) had moderate PD-1 staining, and 44 patients (44.0%) had no PD-1 staining. PD-1 staining was associated with pathological T stage (p = 0.023), tumor grade (p = 0.005), and lymphovascular invasion (p = 0.033). Lymphovascular invasion (p < 0.001) and PD-1 staining (p = 0.02) were independent factors for predicting disease metastasis. The 5-year matastatic free survival rate in patients with strong PD-1 staining was 57.3 %, which was significantly lower than that with no PD-1 staining (87.3%, p=0.001) and that with moderate PD-1 staining (74.3%, p = 0.05). In a sub-group analysis of patients with ≥pT2 (N = 59), a significant difference in disease metastasis was observed between patients with strong PD-1 staining and no PD-1 staining (p = 0.018), but was not observed between strong and moderate PD-1 staining (p = 0.146). Conclusions: PD-1 expression may be a useful indicator for a worse prognosis in UTUC patients who undergo radical nephroureterectomy. Targeting therapy against PD-1 might be a promising therapeutic modality for UTUC.

scholarly journals Folate Levels in Patients Hospitalized with Coronavirus Disease 2019

Nutrients ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 812
Author(s):  
Eshcar Meisel ◽  
Orly Efros ◽  
Jonathan Bleier ◽  
Tal Beit Halevi ◽  
Gad Segal ◽  
...  
Keyword(s):  
Medical Center ◽  
Cell Metabolism ◽  
Kidney Injury ◽  
Length Of Hospital Stay ◽  
Study Data ◽  
Serum Folate ◽  
Significant Difference ◽  
Study Population

We aimed to investigate the prevalence of decreased folate levels in patients hospitalized with Coronavirus Disease 2019 (COVID-19) and evaluate their outcome and the prognostic signifi-cance associated with its different levels. In this retrospective cohort study, data were obtained from the electronic medical records at the Sheba Medical Center. Folic acid levels were available in 333 out of 1020 consecutive patients diagnosed with COVID-19 infection hospitalized from January 2020 to November 2020. Thirty-eight (11.4%) of the 333 patients comprising the present study population had low folate levels. No significant difference was found in the incidence of acute kidney injury, hypoxemia, invasive ventilation, length of hospital stay, and mortality be-tween patients with decreased and normal-range folate levels. When sub-dividing the study population according to quartiles of folate levels, similar findings were observed. In conclusion, decreased serum folate levels are common among hospitalized patients with COVID-19, but there was no association between serum folate levels and clinical outcomes. Due to the important role of folate in cell metabolism and the potential pathologic impact when deficient, a follow-up of folate levels or possible supplementation should be encouraged in hospitalized COVID-19 patients. Fur-ther studies are required to assess the prevalence and consequences of folate deficiency in COVID-19 patients.

Abstract TP486: Role of Beta-Site Amyloid Precursor Protein-Cleaving Enzyme 2 in the Metabolism of Amyloid Precursor Protein in Human Brain Microvascular Endothelial Cells

Stroke ◽  
2020 ◽  
Vol 51 (Suppl_1) ◽  
Author(s):  
Tongrong He ◽  
Zvonimir S Katusic
Keyword(s):  
Protein Expression ◽  
Amyloid Precursor Protein ◽  
Precursor Protein ◽  
Protective Function ◽  
Protein Levels ◽  
Genetic Inactivation ◽  
Amyloidogenic Processing ◽  
Protein Expressions ◽  
App Metabolism

Under physiological conditions, β-site amyloid precursor protein (APP)-cleaving enzyme 2 (BACE2) cleaves APP within Aβ sequence thereby functioning like a α-secretase. However, BACE2 could also function as a conditional β-secretase during aging, contributing to Alzheimer’s disease pathogenesis. To date the physiological functions of BACE2 in endothelium are largely unknown. The present study is therefore designed to investigate the role of BACE2 in APP metabolism in human BMECs. Cultured human BMECs (passage 5-6 or passage 22) were treated with BACE2siRNA (30 nM, for 3 days), levels of soluble APPα (sAPPα, a neurotrophic product of non-amyloidogenic processing of APP) and Aβ40 in the supernatant were measured. In human BMECs (passage 5-6), genetic inactivation of BACE2 significantly decreased production of sAPPα (n=12, P<0.05), but had no effect on production of Aβ40 (n=9, P>0.05). BACE2siRNA treatment significantly suppressed APP protein expression (n=7, P<0.05), but augmented protein levels of BACE1 (n=7, P<0.05). Genetic inactivation of BACE2 did not change protein levels of mature ADAM10 (n=7, P>0.05). Thus, reduced sAPPα secretion by BACE2siRNA treatment is likely caused not only by decreased α-secretase-like function of BACE2, but also by reduced APP expression. We further examined the effects of BACE2siRNA in senescent human BMECs. In cultured human BMECs (passage 22), protein expressions of senescent markers (p 21Cip1 and p 16INK4a ) were significantly increased (n=4, P<0.05). Genetic inactivation of BACE2 in senescent human BMECs also significantly suppressed secretion of sAPPα (n=8, P<0.05), but did not affect Aβ40 production (n=8, P>0.05). BACE2-siRNA treatment significantly inhibited protein expressions of APP and mature ADAM10 (n=7, P<0.05), but did not change BACE1 protein expression (n=7, P>0.05). Thus in senescent human BMECs, reduced APP expression and impaired α-processing may play important roles in the decreased sAPPα production. Since our previous studies have demonstrated that endothelial production of sAPPα significantly contributes to the sAPPα content in the hippocampus, our current findings suggests that inhibition of BACE2 could impair protective function of sAPPα in the hippocampus.

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