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Articles 1 - 9 of 9
Full-Text Articles in Gastroenterology
Gut Microbial Trimethylamine Is Elevated In Alcohol-Associated Hepatitis And Contributes To Ethanol-Induced Liver Injury In Mice, Robert N. Helsley, Tatsunori Miyata, Anagha Kadam, Venkateshwari Varadharajan, Naseer Sangwan, Emily C. Huang, Rakhee Banerjee, Amanda L. Brown, Kevin K. Fung, William J. Massey, Chase Neumann, Danny Orabi, Lucas J. Osborn, Rebecca C. Schugar, Megan R. Mcmullen, Annette Bellar, Kyle L. Poulsen, Adam Kim, Vai Pathak, Marko Mrdjen
Gut Microbial Trimethylamine Is Elevated In Alcohol-Associated Hepatitis And Contributes To Ethanol-Induced Liver Injury In Mice, Robert N. Helsley, Tatsunori Miyata, Anagha Kadam, Venkateshwari Varadharajan, Naseer Sangwan, Emily C. Huang, Rakhee Banerjee, Amanda L. Brown, Kevin K. Fung, William J. Massey, Chase Neumann, Danny Orabi, Lucas J. Osborn, Rebecca C. Schugar, Megan R. Mcmullen, Annette Bellar, Kyle L. Poulsen, Adam Kim, Vai Pathak, Marko Mrdjen
Pediatrics Faculty Publications
There is mounting evidence that microbes residing in the human intestine contribute to diverse alcohol-associated liver diseases (ALD) including the most deadly form known as alcohol-associated hepatitis (AH). However, mechanisms by which gut microbes synergize with excessive alcohol intake to promote liver injury are poorly understood. Furthermore, whether drugs that selectively target gut microbial metabolism can improve ALD has never been tested. We used liquid chromatography tandem mass spectrometry to quantify the levels of microbe and host choline co-metabolites in healthy controls and AH patients, finding elevated levels of the microbial metabolite trimethylamine (TMA) in AH. In subsequent studies, we …
Thalidomide For The Treatment Of Metastatic Hepatic Epithelioid Hemangioendothelioma: A Case Report With A Long Term Follow-Up, Felipe Salech, Sebastián Valderrama, Bruno Nervi, Juan Carlos Rodriguez, Danny Oksenberg, Alvaro Koch, Gladys Smok, Ignacio Duarte, Rosa María Pérez-Ayuso, Nicolás Jarufe, Jorge Martínez, Alejandro Soza, Marco Arrese, Arnoldo Riquelme
Thalidomide For The Treatment Of Metastatic Hepatic Epithelioid Hemangioendothelioma: A Case Report With A Long Term Follow-Up, Felipe Salech, Sebastián Valderrama, Bruno Nervi, Juan Carlos Rodriguez, Danny Oksenberg, Alvaro Koch, Gladys Smok, Ignacio Duarte, Rosa María Pérez-Ayuso, Nicolás Jarufe, Jorge Martínez, Alejandro Soza, Marco Arrese, Arnoldo Riquelme
Internal Medicine Faculty Publications
Hepatic epithelioid hemangioendothelioma (HEH) is an unusual, low-grade malignant vascular tumor of the liver. Here we describe a case of a 40-year-old woman who presented with abdominal pain in the upper right quadrant and giant hepatomegaly, in which imaging studies and a fine-needle liver biopsy confirmed the presence of a large EHE with an isolated lung metastasis. After balancing all possible therapeutic modalities the patient was treated conservatively with thalidomide (300 mg/day). The drug was well tolerated with minimal toxicity and thepatient continues on therapy 109 months after treatment was started with no disease progression. Current therapeutic options for HEH …
Should A Fully Covered Self-Expandable Biliary Metal Stent Be Anchored With A Double-Pigtail Plastic Stent? A Retrospective Study, Saad Emhmed Ali, Wesam M. Frandah, Leon Su, Cory M. Fielding, Houssam Mardini
Should A Fully Covered Self-Expandable Biliary Metal Stent Be Anchored With A Double-Pigtail Plastic Stent? A Retrospective Study, Saad Emhmed Ali, Wesam M. Frandah, Leon Su, Cory M. Fielding, Houssam Mardini
Internal Medicine Faculty Publications
BACKGROUND
The migration rate of fully covered self-expandable metal stents (FCSEMSs) has been reported to be between 14% to 37%. Anchoring of FCSEMSs using a double-pigtail plastic stent (DPS) may decrease migration.
AIM
To compare stent migration rates between patients who received FCSEMS alone and those who received both an FCSEMS and anchoring DPS.
METHODS
We conducted a retrospective analysis of endoscopy reporting system and medical records of 1366 patients who underwent endoscopic retrograde cholangiopancreatography (ERCP) with FCSEMS placement at the University of Kentucky health care. Between July 2015 and April 2017, 203 patients with FCSEMS insertion for the treatment …
Progression Of Gastric Acid Production In Preterm Neonates: Utilization Of In-Vitro Method, Murali R. Palla, Shashidhar Harohalli, Tim N. Crawford, Nirmala Desai
Progression Of Gastric Acid Production In Preterm Neonates: Utilization Of In-Vitro Method, Murali R. Palla, Shashidhar Harohalli, Tim N. Crawford, Nirmala Desai
Pediatrics Faculty Publications
Background: Limited studies are done regarding ability to produce gastric acid in preterm infants and most studies used in vivo method of assessing gastric pH.
Objectives: To assess the feasibility of using an in vitro method of measuring gastric pH in babies ≤ 28 weeks gestational age (GA) and determine whether changes in gastric pH differ with gestational age, mode of delivery, and use of antenatal steroids.
Design/Methods: Prospective study that enrolled extremely low birth weight (ELBW) babies. Gastric aspirate collected before feeding. In vitro testing of gastric aspirates for pH were done on days of life 1, 3, 5, …
Capecitabine And Temozolomide In Neuroendocrine Tumor Of Unknown Primary, Aman Chauhan, Zainab Farooqui, Leaundra Murray, Heidi L. Weiss, Zin W. Myint, Arun Kumar A. Raajasekar, B. Mark Evers, Susanne M. Arnold, Lowell B. Anthony
Capecitabine And Temozolomide In Neuroendocrine Tumor Of Unknown Primary, Aman Chauhan, Zainab Farooqui, Leaundra Murray, Heidi L. Weiss, Zin W. Myint, Arun Kumar A. Raajasekar, B. Mark Evers, Susanne M. Arnold, Lowell B. Anthony
Internal Medicine Faculty Publications
Incidence of low grade well-differentiated neuroendocrine tumors (NET) is on the rise. The North American Neuroendocrine Tumor Society estimates that the United States has more than 150,000 gastroenteropancreatic NET patients. About 10% of metastatic NETs can be unknown primary, and due to their rarity, dedicated treatment algorithms and regimens are not defined. Combination of capecitabine and temozolomide (CAPTEM) is one of the systemic treatments used in gastroenteropancreatic NETs. We explored clinical activity of CAPTEM in NET of unknown primary. Methods. Retrospective review of NET of unknown primary managed at the University of Kentucky over the past five years (2012–2016). …
Beta-Catenin Cleavage Enhances Transcriptional Activation, Tatiana Goretsky, Emily M. Bradford, Qing Ye, Olivia F. Lamping, Tomas Vanagunas, Mary Pat Moyer, Patrick C. Keller, Preetika Sinh, Josep M. Llovet, Tianyan Gao, Qing-Bai She, Linheng Li, Terrence A. Barrett
Beta-Catenin Cleavage Enhances Transcriptional Activation, Tatiana Goretsky, Emily M. Bradford, Qing Ye, Olivia F. Lamping, Tomas Vanagunas, Mary Pat Moyer, Patrick C. Keller, Preetika Sinh, Josep M. Llovet, Tianyan Gao, Qing-Bai She, Linheng Li, Terrence A. Barrett
Internal Medicine Faculty Publications
Nuclear activation of Wnt/β-catenin signaling is required for cell proliferation in inflammation and cancer. Studies from our group indicate that β-catenin activation in colitis and colorectal cancer (CRC) correlates with increased nuclear levels of β-catenin phosphorylated at serine 552 (pβ-Cat552). Biochemical analysis of nuclear extracts from cancer biopsies revealed the existence of low molecular weight (LMW) pβ-Cat552, increased to the exclusion of full size (FS) forms of β-catenin. LMW β-catenin lacks both termini, leaving residues in the armadillo repeat intact. Further experiments showed that TCF4 predominantly binds LMW pβ-Cat552 in the nucleus of inflamed and …
Gastrointestinal Stromal Tumor Induced Hypercalcemia, Aram Barbaryan, Stefania Bailuc, Padma Poddutoori, Aida Richardson, Aibek E. Mirrakhimov
Gastrointestinal Stromal Tumor Induced Hypercalcemia, Aram Barbaryan, Stefania Bailuc, Padma Poddutoori, Aida Richardson, Aibek E. Mirrakhimov
Internal Medicine Faculty Publications
Hypercalcemia in patients with cancer is a common laboratory finding affecting up to 44% of that patient population. 1,25-Dihydroxyvitamin D3 mediated hypercalcemia is one of the rare mechanisms of this endocrine emergency in cancer patients. It is even rarer for solid organ neoplasms to present with hypercalcemia mediated through the production of 1,25-dihydroxyvitamin D3. We report a case of a 77-year-old female who presented to the hospital with hypercalcemia and later was found to have metastatic gastrointestinal stromal tumor. There have been only 5 cases of gastrointestinal stromal tumor described in literature resulting in hypercalcemia. In our …
Multiorgan Chronic Inflammatory Hepatobiliary Pancreatic Murine Model Deficient In Tumor Necrosis Factor Receptors 1 And 2, Helieh S. Oz
Multiorgan Chronic Inflammatory Hepatobiliary Pancreatic Murine Model Deficient In Tumor Necrosis Factor Receptors 1 And 2, Helieh S. Oz
Physiology Faculty Publications
AIM: To provoke persistent/chronic multiorgan inflammatory response and to contribute to stones formation followed by fibrosis in hepatobiliary and pancreatic tissues.
METHODS: Tumor necrosis factor receptors 1 and 2 (TNFR1/R2) deficient mice reared in-house were given dibutyltin dichloride (DBTC) twice within 10 d by oral gavage delivery. Sham control animals received vehicle treatment and naïve animals remained untreated throughout the study. Animals were monitored daily for symptoms of pain and discomfort. The abdominal and hindpaw hypersensitivity were assessed with von Frey microfilaments. Exploratory behaviors were recorded at the baseline, after initiation of treatment, and before study termination. Histopathological …
Selective Induced Altered Coccidians To Immunize And Prevent Enteritis, Helieh S. Oz
Selective Induced Altered Coccidians To Immunize And Prevent Enteritis, Helieh S. Oz
Physiology Faculty Publications
Microbiomic flora in digestive tract is pivotal to the state of our health and disease. Antibiotics affect GI, control composition of microbiome, and shift equilibrium from health into disease status. Coccidiosis causes gastrointestinal inflammation. Antibiotic additives contaminate animal products and enter food chain, consumed by humans with possible allergic, antibiotic resistance and enigmatic side effects. Purposed study induced nonpathogenic, immunogenic organisms to protect against disease and abolish antibiotics’ use in food animals and side effects in man. Diverse species of Coccidia were used as model. Immature organisms were treated with serial purification procedure prior to developmental stages to obtain altered …