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Anil K Sood

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https://www.readbyqxmd.com/read/28928826/delineation-of-retroperitoneal-metastatic-lymph-nodes-in-ovarian-cancer-with-near-infrared-fluorescence-imaging
#1
Tao Pu, Liqin Xiong, Qiyu Liu, Minxing Zhang, Qingqing Cai, Haiou Liu, Anil K Sood, Guiling Li, Yu Kang, Congjian Xu
Lymph node metastasis occurs in early-stage and late-stage ovarian cancers. Systematic lymphadenectomy is frequently conducted in an attempt to prevent disease progression. However, this method is associated with multiple complications. Therefore, it is necessary to develop a less invasive and more sensitive method for detecting lymphatic metastasis in ovarian cancer. The aim of the present study was to develop an appropriate fluorescent label for the analysis of lymphatic metastasis in vivo. To this end, epithelial ovarian cancer cells with high potential for lymph node metastasis were labeled using mCherry fluorescence...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28904816/regulation-of-hnrnpa1-by-micrornas-controls-the-mir-18a-k-ras-axis-in-chemotherapy-resistant-ovarian-cancer
#2
Cristian Rodriguez-Aguayo, Paloma Del C Monroig, Roxana S Redis, Emine Bayraktar, Maria I Almeida, Cristina Ivan, Enrique Fuentes-Mattei, Mohammed H Rashed, Arturo Chavez-Reyes, Bulent Ozpolat, Rahul Mitra, Anil K Sood, George A Calin, Gabriel Lopez-Berestein
The regulation of microRNA (miRNA) biogenesis, function and degradation involves a range of mechanisms, including interactions with RNA-binding proteins. The potential contribution of regulatory miRNAs to the expression of these RNA interactor proteins that could control other miRNAs expression is still unclear. Here we demonstrate a regulatory circuit involving oncogenic and tumor-suppressor miRNAs and an RNA-binding protein in a chemotherapy-resistant ovarian cancer model. We identified and characterized miR-15a-5p and miR-25-3p as negative regulators of hnRNPA1 expression, which is required for the processing of miR-18a-3p, an inhibitor of the K-RAS oncogene...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28855350/macrophages-facilitate-resistance-to-anti-vegf-therapy-by-altered-vegfr-expression
#3
Anil K Sood, Heather J Dalton, Sunila Pradeep, Michael McGuire, Yared Hailemichael, Shaolin Ma, Yasmin Lyons, Guillermo N Armaiz-Pena, Rebecca A Previs, Jean M Hansen, Rajesha Rupaimoole, Vianey Gonzalez-Villasana, Min Soon Cho, Sherry Wu, Lingegowda S Mangala, Nicholas B Jennings, Wei Hu, Robert R Langley, Hong Mu, Michael Andreeff, Menashe Bar-Eli, Willem W Overwijk, Prahlad T Ram, Gabriel Lopez-Berestein, Robert L Coleman
PURPOSE: VEGF-targeted therapies have modest efficacy in cancer patients, but acquired resistance is common. The mechanisms underlying such resistance are poorly understood. EXPERIMENTAL DESIGN: To evaluate the potential role of immune cells in the development of resistance to VEGF blockade, we first established a preclinical model of adaptive resistance to anti-VEGF therapy. Additional in vitro and in vivo studies were carried out to characterize the role of macrophages in such resistance...
August 29, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28827520/platelets-reduce-anoikis-and-promote-metastasis-by-activating-yap1-signaling
#4
Monika Haemmerle, Morgan L Taylor, Tony Gutschner, Sunila Pradeep, Min Soon Cho, Jianting Sheng, Yasmin M Lyons, Archana S Nagaraja, Robert L Dood, Yunfei Wen, Lingegowda S Mangala, Jean M Hansen, Rajesha Rupaimoole, Kshipra M Gharpure, Cristian Rodriguez-Aguayo, Sun Young Yim, Ju-Seog Lee, Cristina Ivan, Wei Hu, Gabriel Lopez-Berestein, Stephen T Wong, Beth Y Karlan, Douglas A Levine, Jinsong Liu, Vahid Afshar-Kharghan, Anil K Sood
Thrombocytosis is present in more than 30% of patients with solid malignancies and correlates with worsened patient survival. Tumor cell interaction with various cellular components of the tumor microenvironment including platelets is crucial for tumor growth and metastasis. Although it is known that platelets can infiltrate into tumor tissue, secrete pro-angiogenic and pro-tumorigenic factors and thereby increase tumor growth, the precise molecular interactions between platelets and metastatic cancer cells are not well understood...
August 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28814667/adrenergic-mediated-increases-in-inhba-drive-caf-phenotype-and-collagens
#5
Archana S Nagaraja, Robert L Dood, Guillermo Armaiz-Pena, Yu Kang, Sherry Y Wu, Julie K Allen, Nicholas B Jennings, Lingegowda S Mangala, Sunila Pradeep, Yasmin Lyons, Monika Haemmerle, Kshipra M Gharpure, Nouara C Sadaoui, Cristian Rodriguez-Aguayo, Cristina Ivan, Ying Wang, Keith Baggerly, Prahlad Ram, Gabriel Lopez-Berestein, Jinsong Liu, Samuel C Mok, Lorenzo Cohen, Susan K Lutgendorf, Steve W Cole, Anil K Sood
Adrenergic signaling is known to promote tumor growth and metastasis, but the effects on tumor stroma are not well understood. An unbiased bioinformatics approach analyzing tumor samples from patients with known biobehavioral profiles identified a prominent stromal signature associated with cancer-associated fibroblasts (CAFs) in those with a high biobehavioral risk profile (high Center for Epidemiologic Studies Depression Scale [CES-D] score and low social support). In several models of epithelial ovarian cancer, daily restraint stress resulted in significantly increased CAF activation and was abrogated by a nonspecific β-blocker...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28774461/phase-ii-trial-of-bevacizumab-with-dose-dense-paclitaxel-as-first-line-treatment-in-patients-with-advanced-ovarian-cancer
#6
Nicole D Fleming, Robert L Coleman, Celestine Tung, Shannon N Westin, Wei Hu, Yunjie Sun, Priya Bhosale, Mark F Munsell, Anil K Sood
OBJECTIVES: To assess the tolerability and efficacy of bevacizumab with carboplatin and weekly paclitaxel as first-line adjuvant therapy for advanced stage ovarian cancer. METHODS: After IRB approval, this single-institution, phase II study enrolled patients with stage III or IV epithelial ovarian cancer after primary cytoreductive surgery to treatment with carboplatin (AUC 5), weekly paclitaxel (80mg/m2), and bevacizumab (15mg/kg) every 3weeks for at least 6cycles...
October 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28730545/platelet-first-responders-in-wound-response-cancer-and-metastasis
#7
REVIEW
David G Menter, Scott Kopetz, Ernest Hawk, Anil K Sood, Jonathan M Loree, Paolo Gresele, Kenneth V Honn
Platelets serve as "first responders" during normal wounding and homeostasis. Arising from bone marrow stem cell lineage megakaryocytes, anucleate platelets can influence inflammation and immune regulation. Biophysically, platelets are optimized due to size and discoid morphology to distribute near vessel walls, monitor vascular integrity, and initiate quick responses to vascular lesions. Adhesion receptors linked to a highly reactive filopodia-generating cytoskeleton maximizes their vascular surface contact allowing rapid response capabilities...
July 20, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28730442/chitosan-nanoparticles-for-mirna-delivery
#8
Merve Denizli, Burcu Aslan, Lingegowda S Mangala, Dahai Jiang, Cristian Rodriguez-Aguayo, Gabriel Lopez-Berestein, Anil K Sood
RNA interference techniques represent a promising strategy for therapeutic applications. In addition to small interfering RNA-based approaches, which have been widely studied and translated into clinical investigations, microRNA-based approaches are attractive owing to their "one hit, multiple targets" concept. To overcome challenges with in vivo delivery of microRNAs related to stability, cellular uptake, and specific delivery, our group has developed and characterized chitosan nanoparticles for nucleotide delivery...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28711723/diurnal-cortisol-rhythms-fatigue-and-psychosocial-factors-in-five-year-survivors-of-ovarian-cancer
#9
Michaela G Cuneo, Andrew Schrepf, George M Slavich, Premal H Thaker, Michael Goodheart, David Bender, Steve W Cole, Anil K Sood, Susan K Lutgendorf
Fatigue is a challenge in ovarian cancer survivorship and greatly impacts quality of life. In other cancer populations, fatigue has been associated with abnormal diurnal cortisol patterns. However, little is known about biological and behavioral factors in 5+-year ovarian cancer survivors and potential mechanisms underlying persistent fatigue have not been investigated in this population. Moreover, relationships between neuroendocrine and psychosocial factors in 5+-year ovarian cancer survivors have not been studied...
October 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28698296/prkci-promotes-immune-suppression-in-ovarian-cancer
#10
Sharmistha Sarkar, Christopher A Bristow, Prasenjit Dey, Kunal Rai, Ruth Perets, Alejandra Ramirez-Cardenas, Shruti Malasi, Emmet Huang-Hobbs, Monika Haemmerle, Sherry Y Wu, Michael McGuire, Alexei Protopopov, Shan Jiang, Joyce F Liu, Michelle S Hirsch, Qing Chang, Alexander J Lazar, Anil K Sood, Ronny Drapkin, Ronald DePinho, Giulio Draetta, Lynda Chin
A key feature of high-grade serous ovarian carcinoma (HGSOC) is frequent amplification of the 3q26 locus harboring PRKC-ι (PRKCI). Here, we show that PRKCI is also expressed in early fallopian tube lesions, called serous tubal intraepithelial carcinoma. Transgenic mouse studies establish PRKCI as an ovarian cancer-specific oncogene. Mechanistically, we show that the oncogenic activity of PRKCI relates in part to the up-regulation of TNFα to promote an immune-suppressive tumor microenvironment characterized by an abundance of myeloid-derived suppressor cells and inhibition of cytotoxic T-cell infiltration...
June 1, 2017: Genes & Development
https://www.readbyqxmd.com/read/28679740/role-of-adp-receptors-on-platelets-in-the-growth-of-ovarian-cancer
#11
Min Soon Cho, Kyunghee Noh, Monika Haemmerle, Dan Li, Hyun Park, Qianghua Hu, Takeshi Hisamatsu, Takashi Mitamura, Sze Ling Celia Mak, Satya Kunapuli, Qing Ma, Anil K Sood, Vahid Afshar-Kharghan
We investigated the effect of platelets on ovarian cancer, and role of ADP receptors (P2Y12 and P2Y1) on platelets in the growth of primary ovarian cancer tumors. We showed that in murine models of ovarian cancer, P2Y12 inhibitor (Ticagrelor) reduced tumor growth by 60% compared to aspirin and 75% compared to placebo. In P2Y12(-/-) mice, the growth of syngeneic ovarian cancer tumors was reduced by >85% compared to WT mice. On the other hand, there was no difference in the tumor growth between P2Y1(-/-) and WT mice...
July 5, 2017: Blood
https://www.readbyqxmd.com/read/28637314/dna-methylation-signatures-and-coagulation-factors-in-the-peripheral-blood-leucocytes-of-epithelial-ovarian-cancer
#12
Lian Li, Hong Zheng, Yubei Huang, Caiyun Huang, Shuang Zhang, Jing Tian, Pei Li, Anil K Sood, Wei Zhang, Kexin Chen
Solid tumors are increasingly recognized as a systemic disease that is manifested by changes in DNA, RNA, proteins and metabolites in the blood. Whereas many studies have reported gene mutation events in the circulation, few studies have focused on epigenetic DNA methylation markers. To identify DNA methylation biomarkers in peripheral blood for ovarian cancer, we performed a two-stage epigenome-wide association study. In the discovery stage, we measured genome wide DNA methylation for 485 000 CpG sites in peripheral blood in 24 epithelial ovarian cancer (EOC) cases and 24 age-matched healthy controls...
August 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28620240/mir-200c-driven-mesenchymal-to-epithelial-transition-is-a-therapeutic-target-in-uterine-carcinosarcomas
#13
Jill H Tseng, Maria Bisogna, Lien N Hoang, Narciso Olvera, Cristian Rodriguez-Aguayo, Gabriel Lopez-Berestein, Anil K Sood, Douglas A Levine, Petar Jelinic
Uterine carcinosarcomas (UCSs) are highly aggressive malignancies associated with poor prognoses and limited treatment options. These tumors are hypothesized to develop from the endometrial adenocarcinoma (EAC) through epithelial-mesenchymal transition (EMT). We test this long-standing hypothesis by depleting miR-200, a family of microRNAs critical for EMT, in EAC cell lines. Our data suggest that UCSs do not develop from EACs via EMT. Clinically more relevant, we show that miR-200 expression in UCS cells induces a robust mesenchymal-epithelial transition (MET)...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611202/role-of-platelet-derived-tgf%C3%AE-1-in-the-progression-of-ovarian-cancer
#14
Qianghua Hu, Takeshi Hisamatsu, Monika Haemmerle, Min Soon Cho, Sunila Pradeep, Rajesha Rupaimoole, Cristian Rodriguez-Aguayo, Gabriel Lopez-Berestein, Stephen T C Wong, Anil K Sood, Vahid Afshar-Kharghan
Purpose: Transforming growth factor β1 (Tgfβ1) plays an important role in cancer. Most of Tgfβ1 in plasma is from platelets; thus, we studied whether platelet Tgfβ1 has any role in the progression of ovarian cancer, and whether this role is limited to metastasis or also involves the growth of primary tumors.Experimental Design: We compared the growth of murine ovarian cancer cell-induced tumors in platelet-specific Tgfβ1-deficient mice and wild-type mice. Using resected tumor nodules, we studied the effect of platelet Tgfβ1 on neoangiogenesis and on platelet extravasation into tumors...
September 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28548925/immunological-consequences-of-ageing-microvascular-hemodynamic-changes-in-view-of-cancer-development-and-treatment
#15
REVIEW
Jinhyuk Fred Chung, Sang Joon Lee, Anil K Sood
Risk factors of cardiovascular diseases have long been implicated as risk factors for carcinogenesis, but clear explanations for their association have not been presented. In this article, fundamental concepts from carcinogenesis, microvascular hemodynamics, and immunity are collectively reviewed and analyzed in context of the known features of vascular ageing effects, in formulating a theory that suggests reduced microvascular immunity as an important driving factor for carcinogenesis. Furthermore, scientific, preclinical, and clinical evidence that support this new theory are presented in an interdisciplinary manner, offering new explanations to previously unanswered factors that impact cancer risks and its treatment outcome such as chronic drug use, temperature, stress and exercise effects among others...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28527672/quality-of-life-among-long-term-survivors-of-advanced-stage-ovarian-cancer-a-cross-sectional-approach
#16
Susan K Lutgendorf, Eileen Shinn, Jeanne Carter, Susan Leighton, Keith Baggerly, Michele Guindani, Bryan Fellman, Marianne Matzo, George M Slavich, Marc T Goodman, William Tew, Jenny Lester, Kathleen M Moore, Beth Y Karlan, Douglas A Levine, Anil K Sood
PURPOSE: Long-term survival of women with advanced-stage ovarian cancer is relatively rare. Little is known about quality of life (QOL) and survivorship concerns of these women. Here, we describe QOL of women with advanced-stage ovarian cancer surviving for 8.5 years or longer and compare women with 0-1 recurrence to those with multiple recurrences. METHODS: Participants (n=56) recruited from 5 academic medical centers and the Ovarian Cancer Research Fund Alliance completed surveys regarding QOL (FACT-O), mood (CESD), social support (SPS), physical activity (IPAQ-SF), diet, and clinical characteristics...
July 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28423708/targeting-the-centriolar-replication-factor-stil-synergizes-with-dna-damaging-agents-for-treatment-of-ovarian-cancer
#17
Noa Rabinowicz, Lingegowda S Mangala, Kevin R Brown, Cintia Checa-Rodriguez, Asher Castiel, Oren Moskovich, Giulia Zarfati, Luba Trakhtenbrot, Adva Levy-Barda, Dahai Jiang, Cristian Rodriguez-Aguayo, Sunila Pradeep, Yael van Praag, Gabriel Lopez-Berestein, Ahuvit David, Ilya Novikov, Pablo Huertas, Robert Rottapel, Anil K Sood, Shai Izraeli
Advanced ovarian cancer is an incurable disease. Thus, novel therapies are required. We wished to identify new therapeutic targets for ovarian cancer. ShRNA screen performed in 42 ovarian cancer cell lines identified the centriolar replication factor STIL as an essential gene for ovarian cancer cells. This was verified in-vivo in orthotopic human ovarian cancer mouse models. STIL depletion by administration of siRNA in neutral liposomes resulted in robust anti-tumor effect that was further enhanced in combination with cisplatin...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423620/exosomal-mir-940-maintains-src-mediated-oncogenic-activity-in-cancer-cells-a-possible-role-for-exosomal-disposal-of-tumor-suppressor-mirnas
#18
Mohammed H Rashed, Pinar Kanlikilicer, Cristian Rodriguez-Aguayo, Martin Pichler, Recep Bayraktar, Emine Bayraktar, Cristina Ivan, Justyna Filant, Andreia Silva, Burcu Aslan, Merve Denizli, Rahul Mitra, Bulent Ozpolat, George A Calin, Anil K Sood, Mohamed F Abd-Ellah, Gouda K Helal, Gabriel Lopez Berestein
Exosomes have emerged as important mediators of diverse biological functions including tumor suppression, tumor progression, invasion, immune escape and cell-to-cell communication, through the release of molecules such as mRNAs, miRNAs, and proteins. Here, we identified differentially expressed exosomal miRNAs between normal epithelial ovarian cell line and both resistant and sensitive ovarian cancer (OC) cell lines. We found miR-940 as abundant in exosomes from SKOV3-IP1, HeyA8, and HeyA8-MDR cells. The high expression of miR-940 is associated with better survival in patients with ovarian serous cystadenocarcinoma...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416487/metabolic-markers-and-statistical-prediction-of-serous-ovarian-cancer-aggressiveness-by-ambient-ionization-mass-spectrometry-imaging
#19
Marta Sans, Kshipra Gharpure, Robert Tibshirani, Jialing Zhang, Li Liang, Jinsong Liu, Jonathan H Young, Robert L Dood, Anil K Sood, Livia S Eberlin
Ovarian high-grade serous carcinoma (HGSC) results in the highest mortality among gynecological cancers, developing rapidly and aggressively. Dissimilarly, serous borderline ovarian tumors (BOT) can progress into low-grade serous carcinomas and have relatively indolent clinical behavior. The underlying biological differences between HGSC and BOT call for accurate diagnostic methodologies and tailored treatment options, and identification of molecular markers of aggressiveness could provide valuable biochemical insights and improve disease management...
June 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28411194/systematic-characterization-of-a-to-i-rna-editing-hotspots-in-micrornas-across-human-cancers
#20
Yumeng Wang, Xiaoyan Xu, Shuangxing Yu, Kang Jin Jeong, Zhicheng Zhou, Leng Han, Yiu Huen Tsang, Jun Li, Hu Chen, Lingegowda S Mangala, Yuan Yuan, A Karina Eterovic, Yiling Lu, Anil K Sood, Kenneth L Scott, Gordon B Mills, Han Liang
RNA editing, a widespread post-transcriptional mechanism, has emerged as a new player in cancer biology. Recent studies have reported key roles for individual miRNA editing events, but a comprehensive picture of miRNA editing in human cancers remains largely unexplored. Here, we systematically characterized the miRNA editing profiles of 8595 samples across 20 cancer types from miRNA sequencing data of The Cancer Genome Atlas and identified 19 adenosine-to-inosine (A-to-I) RNA editing hotspots. We independently validated 15 of them by perturbation experiments in several cancer cell lines...
July 2017: Genome Research
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