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primary human brain microvascular endothelial cells (hbmvecs) bk-pm-010  (BioPike LLC)
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BioPike LLC primary human brain microvascular endothelial cells (hbmvecs) bk-pm-010
Mitochondrial dysfunction was related to an increased level of NOX4 and decreased expression of ATP5A1 in HEV infected brain tissues. (A,B) in vitro , <t>HBMVECs</t> were inoculated with 300 MOI HEV for 48 h for western blot, and HEV-negative homogenate served as control. Data showed that expression of NOX4 in HBMVECs treated with HEV for 48 h was significantly increased compared with mock group ( * p < 0.05). Meanwhile, ATP5A1 was detected significantly attenuated in HEV inoculated cells ( ** p < 0.01). (C-H) In vivo , brain and spinal cord tissues that detected for HEV-RNA positive were selected for ultrastructural study. (C–E) Mitochondria were observed with clear cristae folded by the inner membrane in brain tissue of mock group. (F–H) Mitochondria with loss of cristae were found in tissues of HEV infected animals (arrows). The rough endoplasmic reticulum of neuron cells was also observed with mild distended cisternal space in HEV infected tissues (arrowhead). For western blot, gray value was analyzed with ImageJ to quantitatively analyze the expression levels of targeted proteins according to the level of exposure gray (resolution). Data were finally normalized to the expression of anti-β-actin.
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Mitochondrial dysfunction was related to an increased level of NOX4 and decreased expression of ATP5A1 in HEV infected brain tissues. (A,B) in vitro , HBMVECs were inoculated with 300 MOI HEV for 48 h for western blot, and HEV-negative homogenate served as control. Data showed that expression of NOX4 in HBMVECs treated with HEV for 48 h was significantly increased compared with mock group ( * p < 0.05). Meanwhile, ATP5A1 was detected significantly attenuated in HEV inoculated cells ( ** p < 0.01). (C-H) In vivo , brain and spinal cord tissues that detected for HEV-RNA positive were selected for ultrastructural study. (C–E) Mitochondria were observed with clear cristae folded by the inner membrane in brain tissue of mock group. (F–H) Mitochondria with loss of cristae were found in tissues of HEV infected animals (arrows). The rough endoplasmic reticulum of neuron cells was also observed with mild distended cisternal space in HEV infected tissues (arrowhead). For western blot, gray value was analyzed with ImageJ to quantitatively analyze the expression levels of targeted proteins according to the level of exposure gray (resolution). Data were finally normalized to the expression of anti-β-actin.

Journal: Frontiers in Cellular and Infection Microbiology

Article Title: Hepatitis E Virus Induces Brain Injury Probably Associated With Mitochondrial Apoptosis

doi: 10.3389/fcimb.2019.00433

Figure Lengend Snippet: Mitochondrial dysfunction was related to an increased level of NOX4 and decreased expression of ATP5A1 in HEV infected brain tissues. (A,B) in vitro , HBMVECs were inoculated with 300 MOI HEV for 48 h for western blot, and HEV-negative homogenate served as control. Data showed that expression of NOX4 in HBMVECs treated with HEV for 48 h was significantly increased compared with mock group ( * p < 0.05). Meanwhile, ATP5A1 was detected significantly attenuated in HEV inoculated cells ( ** p < 0.01). (C-H) In vivo , brain and spinal cord tissues that detected for HEV-RNA positive were selected for ultrastructural study. (C–E) Mitochondria were observed with clear cristae folded by the inner membrane in brain tissue of mock group. (F–H) Mitochondria with loss of cristae were found in tissues of HEV infected animals (arrows). The rough endoplasmic reticulum of neuron cells was also observed with mild distended cisternal space in HEV infected tissues (arrowhead). For western blot, gray value was analyzed with ImageJ to quantitatively analyze the expression levels of targeted proteins according to the level of exposure gray (resolution). Data were finally normalized to the expression of anti-β-actin.

Article Snippet: Primary human brain microvascular endothelial cells (HBMVECs) (BK-PM-010) were purchased from a company (Biopike Technology Company Ltd., Beijing, China) and cultured as described previously (Renou et al., ).

Techniques: Expressing, Infection, In Vitro, Western Blot, Control, In Vivo, Membrane

Pro-apoptotic protein Bax but not Bcl-2 was upregulated following HEV infection. (A–D) HEV-RNA positive brain tissues collected on 14, 21, and 28 dpi were used for the immunohistochemistry study of Bax (rabbit polyclonal IgG) and Bcl-2(rabbit polyclonal IgG). Goat anti-rabbit IgG was chosen as secondary antibody. The positive signal was measured via the Motic Med 6.0 CMIAS Image Analysis System. Data showed that Bax was mainly distributed in cytosol of neuron cells, vascular endothelial cells and few microglial cells of HEV infection tissues with increased amount compared with mock group (* p < 0.05). Bcl-2 was detected in few neurons and vascular endothelial cells in both groups. (E) For western blot, HBMVECs were inoculated with 300 MOI HEV for 48 h and HEV-negative homogenate served as control. Data showed that expression level of Bax was significantly higher in HBMVECs inoculated with HEV (** p < 0.01), but induction of Bcl-2 was not significant. For western blot, gray value was analyzed with ImageJ to quantitatively analyze the expression levels of targeted proteins according to the level of exposure gray (resolution). Data were finally normalized to the expression of anti-β-actin.

Journal: Frontiers in Cellular and Infection Microbiology

Article Title: Hepatitis E Virus Induces Brain Injury Probably Associated With Mitochondrial Apoptosis

doi: 10.3389/fcimb.2019.00433

Figure Lengend Snippet: Pro-apoptotic protein Bax but not Bcl-2 was upregulated following HEV infection. (A–D) HEV-RNA positive brain tissues collected on 14, 21, and 28 dpi were used for the immunohistochemistry study of Bax (rabbit polyclonal IgG) and Bcl-2(rabbit polyclonal IgG). Goat anti-rabbit IgG was chosen as secondary antibody. The positive signal was measured via the Motic Med 6.0 CMIAS Image Analysis System. Data showed that Bax was mainly distributed in cytosol of neuron cells, vascular endothelial cells and few microglial cells of HEV infection tissues with increased amount compared with mock group (* p < 0.05). Bcl-2 was detected in few neurons and vascular endothelial cells in both groups. (E) For western blot, HBMVECs were inoculated with 300 MOI HEV for 48 h and HEV-negative homogenate served as control. Data showed that expression level of Bax was significantly higher in HBMVECs inoculated with HEV (** p < 0.01), but induction of Bcl-2 was not significant. For western blot, gray value was analyzed with ImageJ to quantitatively analyze the expression levels of targeted proteins according to the level of exposure gray (resolution). Data were finally normalized to the expression of anti-β-actin.

Article Snippet: Primary human brain microvascular endothelial cells (HBMVECs) (BK-PM-010) were purchased from a company (Biopike Technology Company Ltd., Beijing, China) and cultured as described previously (Renou et al., ).

Techniques: Infection, Immunohistochemistry, Western Blot, Control, Expressing

Mitochondrial apoptotic signaling was activated during HEV infection. HEV-RNA positive brain tissues collected on 14, 21, and 28 dpi were used for the immunohistochemistry study of caspase-9 (rabbit polyclonal IgG), caspase-3 (rabbit polyclonal IgG) and PCNA (rabbit polyclonal IgG). Goat anti-rabbit IgG was chosen as secondary antibody. The positive signal was measured via the Motic Med 6.0 CMIAS Image Analysis System. (A–D) Immunohistochemistry study showed that expression levels of activated caspase-9 and caspase-3 were expressed in neuronal cells and vascular endothelial cells of the brain tissue, with higher amount in HEV infected animals compared with mock animals (* p < 0.05). (E,F) For western blot, HBMVECs were inoculated with 300 MOI HEV for 48 h and HEV-negative homogenate served as control. Data showed that expression levels of cleaved caspase-9 and caspase-3 were significantly increased in HBMVECs infected with HEV compared with mock group (** p < 0.01). (G,H) Positive signal of PCNA was detected in glial cells and vascular endothelial cells, with significantly higher level in HEV infected brain sections compared with mock group (** p < 0.01). For western blot, gray value was analyzed with ImageJ to quantitatively analyze the expression levels of targeted proteins according to the level of exposure gray (resolution). Data were finally normalized to the expression of anti-β-actin.

Journal: Frontiers in Cellular and Infection Microbiology

Article Title: Hepatitis E Virus Induces Brain Injury Probably Associated With Mitochondrial Apoptosis

doi: 10.3389/fcimb.2019.00433

Figure Lengend Snippet: Mitochondrial apoptotic signaling was activated during HEV infection. HEV-RNA positive brain tissues collected on 14, 21, and 28 dpi were used for the immunohistochemistry study of caspase-9 (rabbit polyclonal IgG), caspase-3 (rabbit polyclonal IgG) and PCNA (rabbit polyclonal IgG). Goat anti-rabbit IgG was chosen as secondary antibody. The positive signal was measured via the Motic Med 6.0 CMIAS Image Analysis System. (A–D) Immunohistochemistry study showed that expression levels of activated caspase-9 and caspase-3 were expressed in neuronal cells and vascular endothelial cells of the brain tissue, with higher amount in HEV infected animals compared with mock animals (* p < 0.05). (E,F) For western blot, HBMVECs were inoculated with 300 MOI HEV for 48 h and HEV-negative homogenate served as control. Data showed that expression levels of cleaved caspase-9 and caspase-3 were significantly increased in HBMVECs infected with HEV compared with mock group (** p < 0.01). (G,H) Positive signal of PCNA was detected in glial cells and vascular endothelial cells, with significantly higher level in HEV infected brain sections compared with mock group (** p < 0.01). For western blot, gray value was analyzed with ImageJ to quantitatively analyze the expression levels of targeted proteins according to the level of exposure gray (resolution). Data were finally normalized to the expression of anti-β-actin.

Article Snippet: Primary human brain microvascular endothelial cells (HBMVECs) (BK-PM-010) were purchased from a company (Biopike Technology Company Ltd., Beijing, China) and cultured as described previously (Renou et al., ).

Techniques: Infection, Immunohistochemistry, Expressing, Western Blot, Control