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Articles 1 - 30 of 136
Full-Text Articles in Medicine and Health Sciences
Assessment Of Social Vulnerability Impact In Care And Prognosis Of Sinonasal Cancers In The United States, Achilles A. Kanaris, David J. Fei-Zhang, Lily B. Fletcher, Stephanie S. Smith, Urjeet A. Patel, Jill N. D'Souza, Daniel C. Chelius, Anthony M. Sheyn, Jeffrey C. Rastatter
Assessment Of Social Vulnerability Impact In Care And Prognosis Of Sinonasal Cancers In The United States, Achilles A. Kanaris, David J. Fei-Zhang, Lily B. Fletcher, Stephanie S. Smith, Urjeet A. Patel, Jill N. D'Souza, Daniel C. Chelius, Anthony M. Sheyn, Jeffrey C. Rastatter
School of Medicine Faculty Publications
Key Points: Social determinants of health interactively influence sinonasal cancer care and prognosis. Housing-transportation and socioeconomic status showed the largest associations with disparities. The social vulnerability index can reveal the social determinants of sinonasal cancers.
Response To The Letter To The Editor: Surgical Delay Of Thoracodorsal Artery Perforator Flaps For Bilateral Autologous Breast Reconstruction, Robert J. Allen, Mark A. Maier
Response To The Letter To The Editor: Surgical Delay Of Thoracodorsal Artery Perforator Flaps For Bilateral Autologous Breast Reconstruction, Robert J. Allen, Mark A. Maier
School of Medicine Faculty Publications
No abstract provided.
Most Deprived Louisiana Census Tracts Have Higher Hepatocellular Carcinoma Incidence And Worse Survival, Kendra L. Ratnapradipa, Tingting Li, Mei Chin Hsieh, Laura Tenner, Edward S. Peters
Most Deprived Louisiana Census Tracts Have Higher Hepatocellular Carcinoma Incidence And Worse Survival, Kendra L. Ratnapradipa, Tingting Li, Mei Chin Hsieh, Laura Tenner, Edward S. Peters
School of Public Health Faculty Publications
Background: Liver cancer incidence increased in the US from 1975 through 2015 with heterogeneous rates across subpopulations. Upstream or distal area-level factors impact liver cancer risks. Objective: The aim of this study was to examine the association between area-level deprivation and hepatocellular carcinoma (HCC) incidence and survival. We also explored the association between area deprivation and treatment modalities. Methods: Louisiana Tumor Registry identified 4,151 adult patients diagnosed with malignant HCC from 2011 to 2020 and linked residential address to census tract (CT)-level Area Deprivation Index (ADI) categorized into quartiles (Q1 = least deprived). ANOVA examined the association between ADI quartile …
Effects Of Extraction Methods On The Structural Characteristics And Functional Properties Of Dietary Fiber Extracted From Papaya Peel And Seed, Xiaoyu Feng, Kashif Ameer, Guihun Jiang, Karna Ramachandraiah
Effects Of Extraction Methods On The Structural Characteristics And Functional Properties Of Dietary Fiber Extracted From Papaya Peel And Seed, Xiaoyu Feng, Kashif Ameer, Guihun Jiang, Karna Ramachandraiah
School of Medicine Faculty Publications
This study aimed to characterize dietary fibers (DF) produced from papaya peel (PP) and seed (PS) using three different extraction methods (acidic: AC, enzymatic: EN and alkaline: AL). The scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), thermal and rheological properties, X-ray diffraction (XRD), monosaccharide composition were adopted for characterizing DF samples. All the DF samples showed representative infrared spectral features and crystalline structure, whereas DF derived from PP and PS extracted by AC had looser and more complicated structures. DF derived from PP and PS extracted by EN displayed greater thermal stability among DFs. DF extracted by PP-AC …
Clinical Practice Guideline-Inconsistent Management Of Fever And Neutropenia In Pediatric Oncology: A Children's Oncology Group Study, L. Lee Dupuis, Brian T. Fisher, A. J. Sugalski, Allison Caren Grimes, Michelle Nuño, S. Ramakrishnan, M. P. Beauchemin, Paula D. Robinson, Nancy Santesso, Alexandra Walsh, A. R. Wrightson, Lolie Yu, Susan K. Parsons, Lillian Sung
Clinical Practice Guideline-Inconsistent Management Of Fever And Neutropenia In Pediatric Oncology: A Children's Oncology Group Study, L. Lee Dupuis, Brian T. Fisher, A. J. Sugalski, Allison Caren Grimes, Michelle Nuño, S. Ramakrishnan, M. P. Beauchemin, Paula D. Robinson, Nancy Santesso, Alexandra Walsh, A. R. Wrightson, Lolie Yu, Susan K. Parsons, Lillian Sung
School of Medicine Faculty Publications
Background: The primary objective was to measure the proportion of episodes where care delivery was inconsistent with selected recommendations of a clinical practice guideline (CPG) on fever and neutropenia (FN) management. The influence of site size on CPG-inconsistent care delivery, and association between patient outcomes and CPG-inconsistent care were described. Methods: This retrospective, multicenter study included patients less than 21 years old with cancer who were at high risk of poor FN outcomes and were previously enrolled to a Children's Oncology Group (COG) study at participating National Cancer Institute Community Oncology Research Program (NCORP) institutions from January 2014 through December …
Cd133-Dependent Activation Of Phosphoinositide 3-Kinase /Akt/Mammalian Target Of Rapamycin Signaling In Melanoma Progression And Drug Resistance, Naji Kharouf, Thomas W. Flanagan, Abdulhadi A. Alamodi, Youssef Al Hmada, Sofie Yasmin Hassan, Hosam Shalaby, Simeon Santourlidis, Sarah Lilly Hassan, Youssef Haikel, Mossad Megahed, Robert T. Brodell, Mohamed Hassan
Cd133-Dependent Activation Of Phosphoinositide 3-Kinase /Akt/Mammalian Target Of Rapamycin Signaling In Melanoma Progression And Drug Resistance, Naji Kharouf, Thomas W. Flanagan, Abdulhadi A. Alamodi, Youssef Al Hmada, Sofie Yasmin Hassan, Hosam Shalaby, Simeon Santourlidis, Sarah Lilly Hassan, Youssef Haikel, Mossad Megahed, Robert T. Brodell, Mohamed Hassan
School of Medicine Faculty Publications
Melanoma frequently harbors genetic alterations in key molecules leading to the aberrant activation of PI3K and its downstream pathways. Although the role of PI3K/AKT/mTOR in melanoma progression and drug resistance is well documented, targeting the PI3K/AKT/mTOR pathway showed less efficiency in clinical trials than might have been expected, since the suppression of the PI3K/mTOR signaling pathway-induced feedback loops is mostly associated with the activation of compensatory pathways such as MAPK/MEK/ERK. Consequently, the development of intrinsic and acquired resistance can occur. As a solid tumor, melanoma is notorious for its heterogeneity. This can be expressed in the form of genetically divergent …
Mechanisms Of Melanoma Progression And Treatment Resistance: Role Of Cancer Stem-Like Cells, Youssef Al Hmada, Robert T. Brodell, Naji Kharouf, Thomas W. Flanagan, Abdulhadi A. Alamodi, Sofie Yasmin Hassan, Hosam Shalaby, Sarah Lilly Hassan, Youssef Haikel, Mosaad Megahed, Simeon Santourlidis, Mohamed Hassan
Mechanisms Of Melanoma Progression And Treatment Resistance: Role Of Cancer Stem-Like Cells, Youssef Al Hmada, Robert T. Brodell, Naji Kharouf, Thomas W. Flanagan, Abdulhadi A. Alamodi, Sofie Yasmin Hassan, Hosam Shalaby, Sarah Lilly Hassan, Youssef Haikel, Mosaad Megahed, Simeon Santourlidis, Mohamed Hassan
School of Medicine Faculty Publications
Melanoma is the third most common type of skin cancer, characterized by its heterogeneity and propensity to metastasize to distant organs. Melanoma is a heterogeneous tumor, composed of genetically divergent subpopulations, including a small fraction of melanoma-initiating cancer stem-like cells (CSCs) and many non-cancer stem cells (non-CSCs). CSCs are characterized by their unique surface proteins associated with aberrant signaling pathways with a causal or consequential relationship with tumor progression, drug resistance, and recurrence. Melanomas also harbor significant alterations in functional genes (BRAF, CDKN2A, NRAS, TP53, and NF1). Of these, the most common are the BRAF and NRAS oncogenes, with 50% …
Metalloproteomic Investigation Of Hg-Binding Proteins In Renal Tissue Of Rats Exposed To Mercury Chloride, Emerson Carlos De Almeida, Victor Diego Faria, Felipe Dalmazzo Cirinêu, Maria G.A. Santiago, Beatriz Miotto, José C.S. Vieira, Camila Pereira Braga, Jiri Adamec, Ana A.H. Fernandes, Marília A.R. Buzalaf, Pedro De Magalhães Padilha
Metalloproteomic Investigation Of Hg-Binding Proteins In Renal Tissue Of Rats Exposed To Mercury Chloride, Emerson Carlos De Almeida, Victor Diego Faria, Felipe Dalmazzo Cirinêu, Maria G.A. Santiago, Beatriz Miotto, José C.S. Vieira, Camila Pereira Braga, Jiri Adamec, Ana A.H. Fernandes, Marília A.R. Buzalaf, Pedro De Magalhães Padilha
School of Medicine Faculty Publications
Results obtained from rat studies indicate that, even at low concentrations, mercurial species cause harmful effects on the kidneys, by inducing the nephrotic oxidative stress response. In the present work, Hg-associated proteins were identified as possible mercury-exposure biomarkers in rat kidneys exposed to low mercury chloride concentrations for 30 days (Hg-30) and 60 days (Hg-60), using metalloproteomic strategies. The renal proteomic profile was fractioned by two-dimensional electrophoresis and the mercury determinations in kidney samples, protein pellets and protein spots were performed using graphite furnace atomic absorption spectrometry. The characterization of Hg-associated protein spots and the analysis of differentially expressed proteins …
The Dose-Response Effect Of Aerobic Exercise On Inflammation In Colon Cancer Survivors, Justin C. Brown, Stephanie L.E. Compton, Jeffrey A. Meyerhardt, Guillaume Spielmann, Shengping Yang
The Dose-Response Effect Of Aerobic Exercise On Inflammation In Colon Cancer Survivors, Justin C. Brown, Stephanie L.E. Compton, Jeffrey A. Meyerhardt, Guillaume Spielmann, Shengping Yang
School of Medicine Faculty Publications
Background; Physical activity after surgical resection for colon cancer is associated with significantly longer disease-free survival. Inflammation is hypothesized to mediate the association between physical activity and disease-free survival in colon cancer. Methods; In this exploratory analysis of a randomized dose-response trial, 39 colon cancer survivors who completed standard therapy were stratified by cancer stage and randomized in a 1;1;1 ratio to one of three treatment groups for 24 weeks of usual-care control, 150 min/wk of moderate-intensity aerobic exercise (low-dose), or 300 min/wk of moderate-intensity aerobic exercise (high-dose). Inflammation outcomes included high-sensitivity C-reactive protein (hs-CRP), interleukin-6 (IL6), and soluble tumor …
Exosome Shedding Is Concordant With Objective Treatment Response Rate And Stratifies Time To Progression In Treatment Naïve, Non-Resectable Hepatocellular Carcinoma, Kelley G. Núñez, Dorota Wyczechowska, Mina Hibino, Tyler Sandow, Juan Gimenez, Ali R. Koksal, Yucel Aydin, Srikanta Dash, Ari J. Cohen, Paul T. Thevenot
Exosome Shedding Is Concordant With Objective Treatment Response Rate And Stratifies Time To Progression In Treatment Naïve, Non-Resectable Hepatocellular Carcinoma, Kelley G. Núñez, Dorota Wyczechowska, Mina Hibino, Tyler Sandow, Juan Gimenez, Ali R. Koksal, Yucel Aydin, Srikanta Dash, Ari J. Cohen, Paul T. Thevenot
School of Medicine Faculty Publications
Translational strategies to characterize and monitor extracellular vesicles such as exosome (EX) shedding and the clinical impact of this data within hepatocellular carcinoma (HCC) remains unclear. In this study, EX shedding was assessed in early-stage HCC and evaluated as a stratification factor for time to progression (TTP) following first-cycle liver-directed therapy (LDT). Plasma EXs were isolated from HCC patients undergoing LDT using ultracentrifugation. Purified EXs were stained using markers CD9 and CD63 and quantified using an ImageStreamX flow cytometer. Circulating EXs expressing CD9 were isolated at 10-fold higher levels compared to CD63. The intensity of CD9+ EX shedding following LDT …
Tumor-Resident Lactobacillus Iners Confer Chemoradiation Resistance Through Lactate-Induced Metabolic Rewiring, Lauren E. Colbert, Molly B. El Alam, Rui Wang, Tatiana Karpinets, David Lo, Erica J. Lynn, Timothy A. Harris, Jacob H. Elnaggar, Kyoko Yoshida-Court, Katarina Tomasic, Julianna K. Bronk, Julie Sammouri, Ananta V. Yanamandra, Adilene V. Olvera, Lily G. Carlin, Travis Sims, Andrea Y. Delgado Medrano, Tatiana Cisneros Napravnik, Madison O'Hara, Daniel Lin, Chike O. Abana, Hannah X. Li, Patricia J. Eifel, Anuja Jhingran, Melissa Joyner, Lilie Lin, Lois M. Ramondetta, Andrew M. Futreal
Tumor-Resident Lactobacillus Iners Confer Chemoradiation Resistance Through Lactate-Induced Metabolic Rewiring, Lauren E. Colbert, Molly B. El Alam, Rui Wang, Tatiana Karpinets, David Lo, Erica J. Lynn, Timothy A. Harris, Jacob H. Elnaggar, Kyoko Yoshida-Court, Katarina Tomasic, Julianna K. Bronk, Julie Sammouri, Ananta V. Yanamandra, Adilene V. Olvera, Lily G. Carlin, Travis Sims, Andrea Y. Delgado Medrano, Tatiana Cisneros Napravnik, Madison O'Hara, Daniel Lin, Chike O. Abana, Hannah X. Li, Patricia J. Eifel, Anuja Jhingran, Melissa Joyner, Lilie Lin, Lois M. Ramondetta, Andrew M. Futreal
School of Medicine Faculty Publications
Tumor microbiota can produce active metabolites that affect cancer and immune cell signaling, metabolism, and proliferation. Here, we explore tumor and gut microbiome features that affect chemoradiation response in patients with cervical cancer using a combined approach of deep microbiome sequencing, targeted bacterial culture, and in vitro assays. We identify that an obligate L-lactate-producing lactic acid bacterium found in tumors, Lactobacillus iners, is associated with decreased survival in patients, induces chemotherapy and radiation resistance in cervical cancer cells, and leads to metabolic rewiring, or alterations in multiple metabolic pathways, in tumors. Genomically similar L-lactate-producing lactic acid bacteria commensal to other …
International Consensus Statement On Allergy And Rhinology: Sinonasal Tumors, Edward C. Kuan, Eric W. Wang, Nithin D. Adappa, Daniel M. Beswick, Nyall R. London, Shirley Y. Su, Marilene B. Wang, Waleed M. Abuzeid, Borislav Alexiev, Jeremiah A. Alt, Paolo Antognoni, Michelle Alonso-Basanta, Pete S. Batra, Mihir Bhayani, Diana Bell, Manuel Bernal-Sprekelsen, Christian S. Betz, Jean Yves Blay, Benjamin S. Bleier, Juliana Bonilla-Velez, Claudio Callejas, Ricardo L. Carrau, Roy R. Casiano, Paolo Castelnuovo, Rakesh K. Chandra, Vasileios Chatzinakis, Simon B. Chen, Alexander G. Chiu, Stephen C. Hernandez, Et Al
International Consensus Statement On Allergy And Rhinology: Sinonasal Tumors, Edward C. Kuan, Eric W. Wang, Nithin D. Adappa, Daniel M. Beswick, Nyall R. London, Shirley Y. Su, Marilene B. Wang, Waleed M. Abuzeid, Borislav Alexiev, Jeremiah A. Alt, Paolo Antognoni, Michelle Alonso-Basanta, Pete S. Batra, Mihir Bhayani, Diana Bell, Manuel Bernal-Sprekelsen, Christian S. Betz, Jean Yves Blay, Benjamin S. Bleier, Juliana Bonilla-Velez, Claudio Callejas, Ricardo L. Carrau, Roy R. Casiano, Paolo Castelnuovo, Rakesh K. Chandra, Vasileios Chatzinakis, Simon B. Chen, Alexander G. Chiu, Stephen C. Hernandez, Et Al
School of Medicine Faculty Publications
Background; Sinonasal neoplasms, whether benign and malignant, pose a significant challenge to clinicians and represent a model area for multidisciplinary collaboration in order to optimize patient care. The International Consensus Statement on Allergy and Rhinology; Sinonasal Tumors (ICSNT) aims to summarize the best available evidence and presents 48 thematic and histopathology-based topics spanning the field. Methods; In accordance with prior International Consensus Statement on Allergy and Rhinology documents, ICSNT assigned each topic as an Evidence-Based Review with Recommendations, Evidence-Based Review, and Literature Review based on the level of evidence. An international group of multidisciplinary author teams were assembled for the …
Surgical Delay Of Thoracodorsal Artery Perforator Flaps For Bilateral Autologous Breast Reconstruction, Ryan D. Hoffman, Mark A. Maier, Hugo St. Hilaire, Robert J. Allen
Surgical Delay Of Thoracodorsal Artery Perforator Flaps For Bilateral Autologous Breast Reconstruction, Ryan D. Hoffman, Mark A. Maier, Hugo St. Hilaire, Robert J. Allen
School of Medicine Faculty Publications
Summary; Autologous reconstruction accounts for nearly one-quarter of all breast reconstruction cases in the United States, with the abdomen functioning as the most popular donor site. This case describes a 62-year-old woman who presented to our clinic with a remote history of estrogen receptor+/progesterone+ breast cancer and bilateral implant-based reconstruction. After grade IV capsular contracture of her left breast, she presented for autologous reconstruction. Due to her body habitus and prior belt lipectomy, deep inferior epigastric perforator flap reconstruction was contra-indicated. The thoracodorsal artery perforator (TDAP) flap is well described in the literature, and was chosen as an alternative salvage …
Her3 Targeting Augments The Efficacy Of Panobinostat In Claudin-Low Triple-Negative Breast Cancer Cells, Hui Lyu, Defu Hou, Hao Liu, Sanbao Ruan, Congcong Tan, Jiande Wu, Chindo Hicks, Bolin Liu
Her3 Targeting Augments The Efficacy Of Panobinostat In Claudin-Low Triple-Negative Breast Cancer Cells, Hui Lyu, Defu Hou, Hao Liu, Sanbao Ruan, Congcong Tan, Jiande Wu, Chindo Hicks, Bolin Liu
School of Medicine Faculty Publications
Patients with triple-negative breast cancer (TNBC) have a poor prognosis and high relapse rate due to limited therapeutic options. This study was conducted to determine the mechanisms of action of panobinostat, a pan-inhibitor of histone deacetylase (HDAC) and FDA-approved medication for multiple myeloma, in TNBC and to provide a rationale for effective drug combinations against this aggressive disease. RNA sequencing analyses of the claudin-low (CL) TNBC (MDA-MB-231) cells untreated or treated with panobinostat were performed to identify the differentially expressed genes. Adaptive alterations in gene expression were analyzed and validated in additional CL TNBC cells. Tumor xenograft models were used …
Clinical Outcomes And Tumor Microenvironment Response To Radiofrequency Ablation Therapy: A Systematic Review And Meta-Analysis, Lauren E. Mueller, Peter P. Issa, Mohammad Hosny Hussein, Rami M. Elshazli, Muhib Haidari, Youssef Errami, Mohamed Shama, Manal S. Fawzy, Emad Kandil, Eman Toraih
Clinical Outcomes And Tumor Microenvironment Response To Radiofrequency Ablation Therapy: A Systematic Review And Meta-Analysis, Lauren E. Mueller, Peter P. Issa, Mohammad Hosny Hussein, Rami M. Elshazli, Muhib Haidari, Youssef Errami, Mohamed Shama, Manal S. Fawzy, Emad Kandil, Eman Toraih
School of Medicine Faculty Publications
Background: Radiofrequency ablation (RFA) utilizes minimally invasive high-energy current to precisely ablate tumor cells. It has been utilized in many cancer types including thyroid, lung, and liver cancer. It has been shown to provide adequate ablative margins with minimal complications; however, incomplete RFA may lead to recurrence of tumor. The underlying cellular mechanism and behavior of ablated cancer tissue is poorly understood. Methods: A systematic review was performed, searching EMBASE, Web of Science, PubMed, and Scopus for studies published up to July 2022 and reported following PRISMA guidelines. Collection was performed by two groups of investigators to avoid risk of …
High Glucose-Upregulated Pd-L1 Expression Through Ras Signaling-Driven Downregulation Of Ptrh1 Leads To Suppression Of T Cell Cytotoxic Function In Tumor Environment, Chenggang Gao, Jiaoshun Chen, Jianwei Bai, Haoxiang Zhang, Yanyi Tao, Shihong Wu, Hehe Li, Heshui Wu, Qiang Shen, Tao Yin
High Glucose-Upregulated Pd-L1 Expression Through Ras Signaling-Driven Downregulation Of Ptrh1 Leads To Suppression Of T Cell Cytotoxic Function In Tumor Environment, Chenggang Gao, Jiaoshun Chen, Jianwei Bai, Haoxiang Zhang, Yanyi Tao, Shihong Wu, Hehe Li, Heshui Wu, Qiang Shen, Tao Yin
School of Graduate Studies Faculty Publications
Background: Nearly 80% of patients with pancreatic cancer suffer from glucose intolerance or diabetes. Pancreatic cancer complicated by diabetes has a more immunosuppressive tumor microenvironment (TME) and is associated with a worse prognosis. The relationship between glucose metabolism and programmed cell death-Ligand 1 (PD-L1) is close and complex. It is important to explore the regulation of high glucose on PD-L1 expression in pancreatic cancer and its effect on infiltrating immune effectors in the tumor microenvironment. Methods: Diabetic murine models (C57BL/6) were used to reveal different immune landscape in euglycemic and hyperglycemic pancreatic tumor microenvironment. Bioinformatics, WB, iRIP [Improved RNA Binding …
Yes-Associated Protein-1 Overexpression In Ocular Surface Squamous Neoplasia; A Potential Diagnostic Marker And Therapeutic Target, Peter Julius, Stepfanie N. Siyumbwa, Fred Maate, Phyllis Moonga, Guobin Kang, Trevor Kaile, John T. West, Charles Wood, Peter C. Angeletti
Yes-Associated Protein-1 Overexpression In Ocular Surface Squamous Neoplasia; A Potential Diagnostic Marker And Therapeutic Target, Peter Julius, Stepfanie N. Siyumbwa, Fred Maate, Phyllis Moonga, Guobin Kang, Trevor Kaile, John T. West, Charles Wood, Peter C. Angeletti
School of Graduate Studies Faculty Publications
Yes-associated protein-1 (YAP-1) is a Hippo system transcription factor, which serves as an oncogene in squamous cell carcinoma, and several solid tumors when the Hippo pathway is dysregulated. Yet, the activity of YAP-1 in ocular surface squamous neoplasia (OSSN) has not been determined. Here, we investigate the relationship between YAP-1 overexpression and OSSN. Using a cross-sectional study design, we recruited 227 OSSN patients from the University Teaching Hospitals in Lusaka, Zambia. Immunohistochemistry was used to assess YAP-1 protein overexpression in tumor tissue relative to surrounding benign squamous epithelium. OSSN patient samples (preinvasive, n = 62, 27% and invasive, n = …
Enhancement Of Tki Sensitivity In Lung Adenocarcinoma Through M6a-Dependent Translational Repression Of Wnt Signaling By Circ-Fbxw7, Kai Li, Zi Yang Peng, Rui Wang, Xiang Li, Ning Du, Da Peng Liu, Jia Zhang, Yun Feng Zhang, Lei Ma, Ye Sun, Shou Ching Tang, Hong Ren, Yi Ping Yang, Xin Sun
Enhancement Of Tki Sensitivity In Lung Adenocarcinoma Through M6a-Dependent Translational Repression Of Wnt Signaling By Circ-Fbxw7, Kai Li, Zi Yang Peng, Rui Wang, Xiang Li, Ning Du, Da Peng Liu, Jia Zhang, Yun Feng Zhang, Lei Ma, Ye Sun, Shou Ching Tang, Hong Ren, Yi Ping Yang, Xin Sun
School of Medicine Faculty Publications
Background: Tyrosine kinase inhibitors (TKIs) that specifically target mutational points in the EGFR gene have significantly reduced suffering and provided greater relief to patients with lung adenocarcinoma (LUAD). The third-generation EGFR-TKI, Osimertinib, has been successfully employed in clinical treatments to overcome resistance to both original and acquired T790M and L858R mutational points. Nevertheless, the issue of treatment failure response has emerged as an insurmountable problem. Methods: By employing a combination of multiple and integrated approaches, we successfully identified a distinct population within the tumor group that plays a significant role in carcinogenesis, resistance, and recurrence. Our research suggests that addressing …
Elevated Inos And 3'-Nitrotyrosine In Kaposi's Sarcoma Tumors And Mouse Model, Olga Vladimirova, Samantha Soldan, Chenhe Su, Andrew Kossenkov, Owen Ngalamika, For Yue Tso, John T. West, Charles Wood, Paul M. Lieberman
Elevated Inos And 3'-Nitrotyrosine In Kaposi's Sarcoma Tumors And Mouse Model, Olga Vladimirova, Samantha Soldan, Chenhe Su, Andrew Kossenkov, Owen Ngalamika, For Yue Tso, John T. West, Charles Wood, Paul M. Lieberman
LSU-LCMC Cancer Center Faculty Publications
Kaposi's Sarcoma (KS) is a heterogenous, multifocal vascular malignancy caused by the human herpesvirus 8 (HHV8), also known as Kaposi's Sarcoma-Associated Herpesvirus (KSHV). Here, we show that KS lesions express iNOS/NOS2 broadly throughout KS lesions, with enrichment in LANA positive spindle cells. The iNOS byproduct 3-nitrotyrosine is also enriched in LANA positive tumor cells and colocalizes with a fraction of LANA-nuclear bodies. We show that iNOS is highly expressed in the L1T3/mSLK tumor model of KS. iNOS expression correlated with KSHV lytic cycle gene expression, which was elevated in late-stage tumors (>4 weeks) but to a lesser degree in …
Elevated Inos And 3′-Nitrotyrosine In Kaposi's Sarcoma Tumors And Mouse Model, Olga Vladimirova, Samantha Soldan, Chenhe Su, Andrew Kossenkov, Owen Ngalamika, For Yue Tso, John T. West, Charles Wood, Paul M. Lieberman
Elevated Inos And 3′-Nitrotyrosine In Kaposi's Sarcoma Tumors And Mouse Model, Olga Vladimirova, Samantha Soldan, Chenhe Su, Andrew Kossenkov, Owen Ngalamika, For Yue Tso, John T. West, Charles Wood, Paul M. Lieberman
School of Medicine Faculty Publications
Kaposi's Sarcoma (KS) is a heterogenous, multifocal vascular malignancy caused by the human herpesvirus 8 (HHV8), also known as Kaposi's Sarcoma-Associated Herpesvirus (KSHV). Here, we show that KS lesions express iNOS/NOS2 broadly throughout KS lesions, with enrichment in LANA positive spindle cells. The iNOS byproduct 3-nitrotyrosine is also enriched in LANA positive tumor cells and colocalizes with a fraction of LANA-nuclear bodies. We show that iNOS is highly expressed in the L1T3/mSLK tumor model of KS. iNOS expression correlated with KSHV lytic cycle gene expression, which was elevated in late-stage tumors (>4 weeks) but to a lesser degree in …
A Clinical Practice Review Of Percutaneous Ethanol Injection For Thyroid Nodules: State Of The Art For Benign, Cystic Lesions, Robert D.E. Clark, Xinyi Luo, Peter P. Issa, Ralph P. Tufano, Emad Kandil
A Clinical Practice Review Of Percutaneous Ethanol Injection For Thyroid Nodules: State Of The Art For Benign, Cystic Lesions, Robert D.E. Clark, Xinyi Luo, Peter P. Issa, Ralph P. Tufano, Emad Kandil
School of Medicine Faculty Publications
Percutaneous ethanol injection (PEI) is a widely used treatment option for cystic and predominantly cystic thyroid nodules. It has several advantages over other treatment modalities. Compared to surgery, PEI is less painful, can be performed in the outpatient setting, and carries less risk of transient or permanent side effects. Compared to other minimally invasive techniques such as radiofrequency ablation (RFA), PEI is less expensive and does not require specialized equipment. PEI performs well in the context of cystic nodules. PEI does not perform as well as other techniques in solid nodules, so its use as a primary treatment is limited …
Is There Really A Difference In Outcomes Between Men And Women With Hepatocellular Cancer?, Andrea Fa, Denise M. Danos, Lauren Maniscalco, Yong Yi, Xiao Cheng Wu, Mary A. Maluccio, Quyen D. Chu, John M. Lyons
Is There Really A Difference In Outcomes Between Men And Women With Hepatocellular Cancer?, Andrea Fa, Denise M. Danos, Lauren Maniscalco, Yong Yi, Xiao Cheng Wu, Mary A. Maluccio, Quyen D. Chu, John M. Lyons
School of Public Health Faculty Publications
Hepatocellular carcinoma (HCC) is a male-dominated disease. Currently, gender differences remain incompletely defined. Data from the state tumor registry were used to investigate differences in demographics, comorbidities, treatment patterns, and cancer-specific survival (HSS) among HCC patients according to gender. Additional analyses were performed to evaluate racial differences among women with HCC. 2627 patients with HCC were included; 498 (19%) were women. Women were mostly white (58%) or African American (39%)—only 3.8% were of another or unknown race. Women were older (65.1 vs. 61.3 years), more obese (33.7% vs. 24.2%), and diagnosed at an earlier stage (31.7% vs. 28.4%) than men. …
Immunometabolic Reprogramming, Another Cancer Hallmark, Vijay Kumar, John H. Stewart
Immunometabolic Reprogramming, Another Cancer Hallmark, Vijay Kumar, John H. Stewart
School of Medicine Faculty Publications
Molecular carcinogenesis is a multistep process that involves acquired abnormalities in key biological processes. The complexity of cancer pathogenesis is best illustrated in the six hallmarks of the cancer: (1) the development of self-sufficient growth signals, (2) the emergence of clones that are resistant to apoptosis, (3) resistance to the antigrowth signals, (4) neo-angiogenesis, (5) the invasion of normal tissue or spread to the distant organs, and (6) limitless replicative potential. It also appears that non-resolving inflammation leads to the dysregulation of immune cell metabolism and subsequent cancer progression. The present article delineates immunometabolic reprogramming as a critical hallmark of …
Cancer Stem Cell Assay-Guided Chemotherapy Improves Survival Of Patients With Recurrent Glioblastoma In A Randomized Trial, Tulika Ranjan, Soma Sengupta, Michael J. Glantz, Richard M. Green, Alexander Yu, Dawit Aregawi, Rekha Chaudhary, Ricky Chen, Mario Zuccarello, Christine Lu-Emerson, Hugh D. Moulding, Neil Belman, Jon Glass, Aaron Mammoser, Mark Anderson, Jagan Valluri, Nicholas Marko, Jason Schroeder, Steven Jubelirer, Frances Chow, Pier Paolo Claudio, Anthony M. Alberico, Seth T. Lirette, Krista L. Denning, Candace M. Howard
Cancer Stem Cell Assay-Guided Chemotherapy Improves Survival Of Patients With Recurrent Glioblastoma In A Randomized Trial, Tulika Ranjan, Soma Sengupta, Michael J. Glantz, Richard M. Green, Alexander Yu, Dawit Aregawi, Rekha Chaudhary, Ricky Chen, Mario Zuccarello, Christine Lu-Emerson, Hugh D. Moulding, Neil Belman, Jon Glass, Aaron Mammoser, Mark Anderson, Jagan Valluri, Nicholas Marko, Jason Schroeder, Steven Jubelirer, Frances Chow, Pier Paolo Claudio, Anthony M. Alberico, Seth T. Lirette, Krista L. Denning, Candace M. Howard
School of Medicine Faculty Publications
Therapy-resistant cancer stem cells (CSCs) contribute to the poor clinical outcomes of patients with recurrent glioblastoma (rGBM) who fail standard of care (SOC) therapy. ChemoID is a clinically validated assay for identifying CSC-targeted cytotoxic therapies in solid tumors. In a randomized clinical trial (NCT03632135), the ChemoID assay, a personalized approach for selecting the most effective treatment from FDA-approved chemotherapies, improves the survival of patients with rGBM (2016 WHO classification) over physician-chosen chemotherapy. In the ChemoID assay-guided group, median survival is 12.5 months (95% confidence interval [CI], 10.2–14.7) compared with 9 months (95% CI, 4.2–13.8) in the physician-choice group (p = …
Echinomycin As A Promising Therapeutic Agent Against Kshv-Related Malignancies, Jungang Chen, Zhen Lin, Jiao Song, Karlie Plaisance-Bonstaff, Jennifer James, Shengyu Mu, Steven R. Post, Lu Dai, Zhiqiang Qin
Echinomycin As A Promising Therapeutic Agent Against Kshv-Related Malignancies, Jungang Chen, Zhen Lin, Jiao Song, Karlie Plaisance-Bonstaff, Jennifer James, Shengyu Mu, Steven R. Post, Lu Dai, Zhiqiang Qin
School of Medicine Faculty Publications
Kaposi’s sarcoma-associated herpesvirus (KSHV) is the etiologic agent of several human cancers, including Kaposi’s sarcoma (KS) and primary effusion lymphoma (PEL), which preferentially arise in immunocompromised patients while lack of effective therapeutic options. Oncoproteins Myc and hypoxia-inducible factor-1α (HIF1α) have been found closely related to KSHV infection, replication and oncogenesis. However, the strategies of dual targeting these two oncoproteins have never been developed and tested for treatments of KSHV-related malignancies. In the current study, we report that treatment of echinomycin dramatically regresses cell growth both in vitro-cultured KSHV + tumor cells and in vivo KS or PEL xenograft mice models, …
Hashimoto’S Thyroiditis: A Protective Factor Against Recurrence In Braf-Wild Type Differentiated Thyroid Carcinoma †, Peter P. Issa, Mahmoud Omar, Yusef Buti, Mohamed Aboueisha, Ruhul Munshi, Mohammad Hussein, Muhib Haidari, Graham Blair, Chad P. Issa, Mohamed Shama, Eman Toraih, Emad Kandil
Hashimoto’S Thyroiditis: A Protective Factor Against Recurrence In Braf-Wild Type Differentiated Thyroid Carcinoma †, Peter P. Issa, Mahmoud Omar, Yusef Buti, Mohamed Aboueisha, Ruhul Munshi, Mohammad Hussein, Muhib Haidari, Graham Blair, Chad P. Issa, Mohamed Shama, Eman Toraih, Emad Kandil
School of Medicine Faculty Publications
A recent work analyzing the concomitant factors BRAF mutation (risk factor) and Hashimoto’s thyroiditis (HT) (protective factor) found that the presence of HT reduced lymph node metastasis in BRAF-mutated papillary thyroid carcinoma. Whether this notion is upheld with respect to disease recurrence and differentiated thyroid carcinoma (DTC), however, is unknown. We aimed to investigate the effect of underlying HT in DTC patients and its influence on recurrence with a specific emphasis in BRAF-mutated tumors. A total of 469 patients were included. Patients were stratified according to BRAF and HT status. Multivariate regression analysis was conducted to determine protective and risk …
Serum Micrornas Associated With Concussion In Football Players, Dorota Wyczechowska, Paul Harch, Shelly Mullenix, Erin S. Fannin, Brenda B. Chiappinelli, Duane Jeansonne, Adam Lassak, Nicolas G. Bazan, Francesca Peruzzi
Serum Micrornas Associated With Concussion In Football Players, Dorota Wyczechowska, Paul Harch, Shelly Mullenix, Erin S. Fannin, Brenda B. Chiappinelli, Duane Jeansonne, Adam Lassak, Nicolas G. Bazan, Francesca Peruzzi
School of Medicine Faculty Publications
Mild Traumatic Brain Injury (mild TBI)/concussion is a common sports injury, especially common in football players. Repeated concussions are thought to lead to long-term brain damage including chronic traumatic encephalopathy (CTE). With the worldwide growing interest in studying sport-related concussion the search for biomarkers for early diagnosis and progression of neuronal injury has also became priority. MicroRNAs are short, non-coding RNAs that regulate gene expression post-transcriptionally. Due to their high stability in biological fluids, microRNAs can serve as biomarkers in a variety of diseases including pathologies of the nervous system. In this exploratory study, we have evaluated changes in the …
Symptom Management Care Pathway Adaptation Process And Specific Adaptation Decisions, Emily Vettese, Farha Sherani, Allison A. King, Lolie Yu, Catherine Aftandilian, Christina Baggott, Vibhuti Agarwal, Ramamoorthy Nagasubramanian, Kara M. Kelly, David R. Freyer, Etan Orgel, Scott M. Bradfield, Wade Kyono, Michael Roth, Lisa M. Klesges, Melissa Beauchemin, Allison Grimes, George Tomlinson, L. Lee Dupuis, Lillian Sung
Symptom Management Care Pathway Adaptation Process And Specific Adaptation Decisions, Emily Vettese, Farha Sherani, Allison A. King, Lolie Yu, Catherine Aftandilian, Christina Baggott, Vibhuti Agarwal, Ramamoorthy Nagasubramanian, Kara M. Kelly, David R. Freyer, Etan Orgel, Scott M. Bradfield, Wade Kyono, Michael Roth, Lisa M. Klesges, Melissa Beauchemin, Allison Grimes, George Tomlinson, L. Lee Dupuis, Lillian Sung
School of Medicine Faculty Publications
BACKGROUND: There is substantial heterogeneity in symptom management provided to pediatric patients with cancer. The primary objective was to describe the adaptation process and specific adaptation decisions related to symptom management care pathways based on clinical practice guidelines. The secondary objective evaluated if institutional factors were associated with adaptation decisions. METHODS: Fourteen previously developed symptom management care pathway templates were reviewed by an institutional adaptation team composed of two clinicians at each of 10 institutions. They worked through each statement for all care pathway templates sequentially. The institutional adaptation team made the decision to adopt, adapt or reject each statement, …
Longitudinal Variations In Antibody Responses Against Sars-Cov-2 Spike Epitopes Upon Serial Vaccinations, Dicle Yalcin, Sydney J. Bennett, Jared Sheehan, Amber J. Trauth, For Yue Tso, John T. West, Michael E. Hagensee, Alistair J. Ramsay, Charles Wood
Longitudinal Variations In Antibody Responses Against Sars-Cov-2 Spike Epitopes Upon Serial Vaccinations, Dicle Yalcin, Sydney J. Bennett, Jared Sheehan, Amber J. Trauth, For Yue Tso, John T. West, Michael E. Hagensee, Alistair J. Ramsay, Charles Wood
LSU-LCMC Cancer Center Faculty Publications
The COVID-19 pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) impacted healthcare, the workforce, and worldwide socioeconomics. Multi-dose mono- or bivalent mRNA vaccine regimens have shown high efficacy in protection against SARS-CoV-2 and its emerging variants with varying degrees of efficacy. Amino acid changes, primarily in the receptor-binding domain (RBD), result in selection for viral infectivity, disease severity, and immune evasion. Therefore, many studies have centered around neutralizing antibodies that target the RBD and their generation achieved through infection or vaccination. Here, we conducted a unique longitudinal study, analyzing the effects of a three-dose mRNA vaccine regimen …
Longitudinal Variations In Antibody Responses Against Sars-Cov-2 Spike Epitopes Upon Serial Vaccinations, Dicle Yalcin, Sydney J. Bennett, Jared Sheehan, Amber J. Trauth, For Yue Tso, John T. West, Michael E. Hagensee, Alistair J. Ramsay, Charles Wood
Longitudinal Variations In Antibody Responses Against Sars-Cov-2 Spike Epitopes Upon Serial Vaccinations, Dicle Yalcin, Sydney J. Bennett, Jared Sheehan, Amber J. Trauth, For Yue Tso, John T. West, Michael E. Hagensee, Alistair J. Ramsay, Charles Wood
School of Medicine Faculty Publications
The COVID-19 pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) impacted healthcare, the workforce, and worldwide socioeconomics. Multi-dose mono- or bivalent mRNA vaccine regimens have shown high efficacy in protection against SARS-CoV-2 and its emerging variants with varying degrees of efficacy. Amino acid changes, primarily in the receptor-binding domain (RBD), result in selection for viral infectivity, disease severity, and immune evasion. Therefore, many studies have centered around neutralizing antibodies that target the RBD and their generation achieved through infection or vaccination. Here, we conducted a unique longitudinal study, analyzing the effects of a three-dose mRNA vaccine regimen …