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Showing 1 to 11 of 11 entries
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Signaling From Lysosomes Enhances Mitochondria-Mediated Photodynamic Therapy In Cancer Cells.

Proceedings of SPIE--the International Society for Optical Engineering

Quiogue G, Saggu S, Hung HI, Kenney ME, Oleinick NL, Lemasters JJ, Nieminen AL.
PMID: 20228965
Proc SPIE Int Soc Opt Eng. 2009 Jul 12;7380(73800):1-8. doi: 10.1117/12.823752.

In photodynamic therapy (PDT), visible light activates a photosensitizing drug added to a tissue, resulting in singlet oxygen formation and cell death. Assessed by confocal microscopy, the photosensitizer phthalocyanine 4 (Pc 4) localizes primarily to mitochondrial membranes in cancer...

8-pCPT-cGMP prevents mitochondrial depolarization and improves the outcome of steatotic partial liver transplantation.

International journal of physiology, pathophysiology and pharmacology

Liu Q, Rehman H, Krishnasamy Y, Lemasters JJ, Zhong Z.
PMID: 28694919
Int J Physiol Pathophysiol Pharmacol. 2017 Jun 15;9(3):69-83. eCollection 2017.

Permeant cGMP analogs prevent the mitochondria permeability transition (MPT)

Ischemic preconditioning of rat livers from non-heart-beating donors decreases parenchymal cell killing and increases graft survival after transplantation.

HPB surgery : a world journal of hepatic, pancreatic and biliary surgery

Currin RT, Peng XX, Lemasters JJ.
PMID: 22888183
HPB Surg. 2012;2012:236406. doi: 10.1155/2012/236406. Epub 2012 Jul 19.

A critical shortage of donors exists for liver transplantation, which non-heart-beating cadaver donors could help ease. This study evaluated ischemic preconditioning to improve graft viability after non-heart-beating liver donation in rats. Ischemic preconditioning was performed by clamping the portal...

C-Jun N-Terminal Kinase 2 Promotes Liver Injury via the Mitochondrial Permeability Transition after Hemorrhage and Resuscitation.

HPB surgery : a world journal of hepatic, pancreatic and biliary surgery

Czerny C, Theruvath TP, Maldonado EN, Lehnert M, Marzi I, Zhong Z, Lemasters JJ.
PMID: 22791932
HPB Surg. 2012;2012:641982. doi: 10.1155/2012/641982. Epub 2012 Jun 27.

Hemorrhagic shock leads to hepatic hypoperfusion and activation of mitogen-activated stress kinases (MAPK) like c-Jun N-terminal kinase (JNK) 1 and 2. Our aim was to determine whether mitochondrial dysfunction leading to hepatic necrosis and apoptosis after hemorrhage/resuscitation (H/R) was...

Ischemia/Reperfusion injury in liver surgery and transplantation.

HPB surgery : a world journal of hepatic, pancreatic and biliary surgery

Schemmer P, Lemasters JJ, Clavien PA.
PMID: 23345924
HPB Surg. 2012;2012:453295. doi: 10.1155/2012/453295. Epub 2012 Dec 30.

No abstract available.

Mitophagy in hepatocytes: Types, initiators and role in adaptive ethanol metabolism☆.

Liver research

Lemasters JJ, Zhong Z.
PMID: 31157120
Liver Res. 2018 Sep;2(3):125-132. doi: 10.1016/j.livres.2018.09.005. Epub 2018 Sep 20.

Mitophagy (mitochondrial autophagy) in hepatocytes is an essential quality control mechanism that removes for lysosomal digestion damaged, effete and superfluous mitochondria. Mitophagy has distinct variants. In type 1 mitophagy, typical of nutrient deprivation, cup-shaped sequestration membranes (phagophores) grow, surround...

Icam-1 upregulation in ethanol-induced Fatty murine livers promotes injury and sinusoidal leukocyte adherence after transplantation.

HPB surgery : a world journal of hepatic, pancreatic and biliary surgery

Theruvath TP, Ramshesh VK, Zhong Z, Currin RT, Karrasch T, Lemasters JJ.
PMID: 22778492
HPB Surg. 2012;2012:480893. doi: 10.1155/2012/480893. Epub 2012 Jun 18.

Background. Transplantation of ethanol-induced steatotic livers causes increased graft injury. We hypothesized that upregulation of hepatic ICAM-1 after ethanol produces increased leukocyte adherence, resulting in increased generation of reactive oxygen species (ROS) and injury after liver transplantation (LT). Methods....

Evolution of Voltage-Dependent Anion Channel Function: From Molecular Sieve to Governator to Actuator of Ferroptosis.

Frontiers in oncology

Lemasters JJ.
PMID: 29312883
Front Oncol. 2017 Dec 19;7:303. doi: 10.3389/fonc.2017.00303. eCollection 2017.

The voltage-dependent anion channel (VDAC) is well known as the pathway for passive diffusion of anionic hydrophilic mitochondrial metabolites across the outer membrane, but a more complex functionality of the three isoforms of VDAC has emerged, as addressed in...

The mitochondria-targeted antioxidant MitoQ attenuates liver fibrosis in mice.

International journal of physiology, pathophysiology and pharmacology

Rehman H, Liu Q, Krishnasamy Y, Shi Z, Ramshesh VK, Haque K, Schnellmann RG, Murphy MP, Lemasters JJ, Rockey DC, Zhong Z.
PMID: 27186319
Int J Physiol Pathophysiol Pharmacol. 2016 Apr 25;8(1):14-27. eCollection 2016.

Oxidative stress plays an essential role in liver fibrosis. This study investigated whether MitoQ, an orally active mitochondrial antioxidant, decreases liver fibrosis. Mice were injected with corn oil or carbon tetrachloride (CCl4, 1:3 dilution in corn oil; 1 µl/g,...

Ethanol and High Cholesterol Diet Causes Severe Steatohepatitis and Early Liver Fibrosis in Mice.

PloS one

Krishnasamy Y, Ramshesh VK, Gooz M, Schnellmann RG, Lemasters JJ, Zhong Z.
PMID: 27676640
PLoS One. 2016 Sep 27;11(9):e0163342. doi: 10.1371/journal.pone.0163342. eCollection 2016.

BACKGROUND AND AIM: Because ethanol consumption is commonly associated with a high cholesterol diet, we examined whether combined consumption of ethanol and high cholesterol increases liver injury and fibrosis.METHODS: Male C57BL/6J mice were fed diets containing: 1) 35% of...

Minocycline decreases liver injury after hemorrhagic shock and resuscitation in mice.

HPB surgery : a world journal of hepatic, pancreatic and biliary surgery

Czerny C, Kholmukhamedov A, Theruvath TP, Maldonado EN, Ramshesh VK, Lehnert M, Marzi I, Zhong Z, Lemasters JJ.
PMID: 22719175
HPB Surg. 2012;2012:259512. doi: 10.1155/2012/259512. Epub 2012 Jun 07.

Patients that survive hemorrhage and resuscitation (H/R) may develop a systemic inflammatory response syndrome (SIRS) that leads to dysfunction of vital organs (multiple organ dysfunction syndrome, MODS). SIRS and MODS may involve mitochondrial dysfunction. Under pentobarbital anesthesia, C57BL6 mice...

Showing 1 to 11 of 11 entries