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Anil K Sood

Yingmei Wang, Limei Hu, Ping Ji, Fei Teng, Wenyan Tian, Yuexin Liu, David Cogdell, Jinsong Liu, Anil K Sood, Russell Broaddus, Fengxia Xue, Wei Zhang
BACKGROUND: Endometrial carcinoma (EC) is one of the most common malignancies of the female reproductive system. Migration and invasion inhibitory protein (MIIP) gene was recently discovered candidate tumor suppress gene which located at chromosome 1p36.22. 1p36 deletion was found in many types of tumor including EC. In the present study, we will determine the role and mechanism of MIIP in EC metastasis. METHODS: Immunohistochemistry was used to measure MIIP expression in normal and EC tissue...
October 19, 2016: Journal of Hematology & Oncology
Pinar Kanlikilicer, Mohammed Saber, Recep Bayraktar, Rahul Mitra, Cristina Ivan, Burcu Aslan, Xinna Zhang, Justyna Filant, Andreia M Silva, Cristian Rodriguez-Aguayo, Emine Bayraktar, Martin Pichler, Bulent Ozpolat, George A Calin, Anil K Sood, Gabriel Lopez-Berestein
Cancer cells actively promote their tumorigenic behavior by reprogramming gene expression. Loading intraluminal vesicles with specific miRNAs and releasing them into the tumor microenvironment as exosomes is one mechanism of reprogramming whose regulation remains to be elucidated. Here, we report that miR-6126 is ubiquitously released in high abundance from both chemosensitive and chemoresistant ovarian cancer cells via exosomes. Overexpression of miR-6126 was confirmed in healthy ovarian tissue compared to ovarian cancer patient samples and correlated with better overall survival in high-grade serous ovarian cancer patients...
October 14, 2016: Cancer Research
Yan Sun, Ping Ji, Tao Chen, Xinhui Zhou, Da Yang, Yuhong Guo, Yuexin Liu, Limei Hu, Dianren Xia, Yanxue Liu, Asha S Multani, Ilya Shmulevich, Raju Kucherlapati, Scott Kopetz, Anil K Sood, Stanley R Hamilton, Baocun Sun, Wei Zhang
The gene encoding Migration and Invasion Inhibitory Protein (MIIP), located on 1p36.22, is a potential tumour suppressor gene in glioma. In this study, we aimed to explore the role and mechanism of action of MIIP in colorectal cancer (CRC). MIIP protein expression gradually decreased along the colorectal adenoma-carcinoma sequence and was negatively correlated with lymph node and distant metastasis in 526 colorectal tissue samples (P<0.05 for all). Analysis of The Cancer Genome Atlas (TCGA) data showed that decreased MIIP expression was significantly associated with MIIP hemizygous deletion (P=0...
October 14, 2016: Journal of Pathology
Maitri Y Shah, Alessandra Ferrajoli, Anil K Sood, Gabriel Lopez-Berestein, George A Calin
MicroRNAs (miRNAs) are an evolutionarily conserved class of small, regulatory non-coding RNAs that negatively regulate protein coding gene and other non-coding transcripts expression. miRNAs have been established as master regulators of cellular processes, and they play a vital role in tumor initiation, progression and metastasis. Further, widespread deregulation of microRNAs have been reported in several cancers, with several microRNAs playing oncogenic and tumor suppressive roles. Based on these, miRNAs have emerged as promising therapeutic tools for cancer management...
September 20, 2016: EBioMedicine
Yan Huang, Lenard M Lichtenberger, Morgan Taylor, Justin N Bottsford-Miller, Monika Haemmerle, Michael J Wagner, Yasmin Lyons, Sunila Pradeep, Wei Hu, Rebecca A Previs, Jean M Hansen, Dexing Fang, Piotr L Domiak, Justyna Filant, Elizabeth J Dial, Fangrong Shen, Hiroto Hatakeyama, Anil K Sood
To determine the efficacy of a novel and safer (for gastrointestinal tract) aspirin (aspirin-PC) in preclinical models of ovarian cancer, in vitro dose-response studies were performed to compare the growth-inhibitory effect of aspirin-PC vs. aspirin on 3 human (A2780, SKOV3ip1, HeyA8), and a mouse (ID8) ovarian cancer cell line over an 8-day culture period. In the in vivo studies, the aspirin test drugs were studied alone and in the presence of a VEGF-A inhibitor (bevacizumab or B20), due to an emerging role for platelets in tumor growth following anti-angiogenic therapy, and we examined their underlying mechanisms...
September 16, 2016: Molecular Cancer Therapeutics
Pedro Barata, Anil K Sood, David S Hong
Recent advances in RNA delivery and target selection provide unprecedented opportunities for cancer treatment, especially for cancers that are particularly hard to treat with existing drugs. Small interfering RNAs, microRNAs, and antisense oligonucleotides are the most widely used strategies for silencing gene expression. In this review, we summarize how these approaches were used to develop drugs targeting RNA in human cells. Then, we review the current state of clinical trials of these agents for different types of cancer and outcomes from published data...
August 28, 2016: Cancer Treatment Reviews
Tianyi Huang, Shelley S Tworoger, Jonathan L Hecht, Megan S Rice, Anil K Sood, Laura D Kubzansky, Elizabeth M Poole
BACKGROUND: The β2-adrenergic signaling pathway mediates the effects of chronic stress on ovarian cancer progression in mouse models. The relevance of this pathway to human ovarian cancer remains unknown. METHODS: We assessed tumor expression of β2-adrenergic receptor (ADRB2) using tissue microarrays in 237 ovarian cancer cases from the Nurses' Health Studies (NHS/NHSII). Competing risks Cox regression was used to evaluate whether associations of reproductive, hormonal, and psychosocial factors with ovarian cancer risk differed by ADRB2...
September 1, 2016: Cancer Epidemiology, Biomarkers & Prevention
N Dinuka Abeydeera, Martin Egli, Nehemiah Cox, Karen Mercier, Jonas Nascimento Conde, Pradeep S Pallan, Daniella M Mizurini, Malgorzata Sierant, Fatima-Ezzahra Hibti, Tom Hassell, Tianzhi Wang, Feng-Wu Liu, Hong-Min Liu, Carlos Martinez, Anil K Sood, Terry P Lybrand, Chiraz Frydman, Robson Q Monteiro, Richard H Gomer, Barbara Nawrot, Xianbin Yang
RNA aptamers are synthetic oligonucleotide-based affinity molecules that utilize unique three-dimensional structures for their affinity and specificity to a target such as a protein. They hold the promise of numerous advantages over biologically produced antibodies; however, the binding affinity and specificity of RNA aptamers are often insufficient for successful implementation in diagnostic assays or as therapeutic agents. Strong binding affinity is important to improve the downstream applications. We report here the use of the phosphorodithioate (PS2) substitution on a single nucleotide of RNA aptamers to dramatically improve target binding affinity by ∼1000-fold (from nanomolar to picomolar)...
September 30, 2016: Nucleic Acids Research
Ursula A Matulonis, Anil K Sood, Lesley Fallowfield, Brooke E Howitt, Jalid Sehouli, Beth Y Karlan
Ovarian cancer is not a single disease and can be subdivided into at least five different histological subtypes that have different identifiable risk factors, cells of origin, molecular compositions, clinical features and treatments. Ovarian cancer is a global problem, is typically diagnosed at a late stage and has no effective screening strategy. Standard treatments for newly diagnosed cancer consist of cytoreductive surgery and platinum-based chemotherapy. In recurrent cancer, chemotherapy, anti-angiogenic agents and poly(ADP-ribose) polymerase inhibitors are used, and immunological therapies are currently being tested...
2016: Nature Reviews. Disease Primers
Nicholas Whiting, Jingzhe Hu, Niki M Zacharias, Ganesh L R Lokesh, David E Volk, David G Menter, Rajesha Rupaimoole, Rebecca Previs, Anil K Sood, Pratip Bhattacharya
Silicon-based nanoparticles are ideally suited for use as biomedical imaging agents due to their biocompatibility, biodegradability, and simple surface chemistry that facilitates drug loading and targeting. A method of hyperpolarizing silicon particles using dynamic nuclear polarization, which increases magnetic resonance imaging signals by several orders-of-magnitude through enhanced nuclear spin alignment, has recently been developed to allow silicon particles to function as contrast agents for in vivo magnetic resonance imaging...
July 2016: Journal of Medical Imaging
Qianghua Hu, Min Soon Cho, Perumal Thiagarajan, Fleur M Aung, Anil K Sood, Vahid Afshar-Kharghan
Cyclooxygenase (COX) is the rate-limiting enzyme in conversion of arachidonic acid to prostanoids, and has two isoforms, COX1 and COX2, which share ~65% amino acid homology. COX1 is universally expressed in many cell types including platelets; however, expression of COX2 is known to be more limited. We examined expression of COX2 mRNA and protein in platelets and platelet-derived microparticles (MPs); using quantitative RT-PCR, immunostaining, and Western blotting. We have detected a significant amount of COX2 in platelets, both at mRNA and protein levels...
August 18, 2016: Platelets
Nigel S Key, Alok A Khorana, Nigel Mackman, Owen J T McCarty, Gilbert C White, Charles W Francis, Keith R McCrae, Joseph S Palumbo, Gary E Raskob, Andrew T Chan, Anil K Sood
The risk for venous thromboembolism (VTE) is increased in cancer and particularly with chemotherapy, and it portends poorer survival among patients with cancer. However, many fundamental questions about cancer-associated VTE, or Trousseau syndrome, remain unanswered. This report summarizes the proceedings of a working group assembled by the NCI and NHLBI in August 2014 to explore the state of the science in cancer-associated VTE, identify clinically important research gaps, and develop consensus on priorities for future research...
July 1, 2016: Cancer Research
Maya Yasukawa, Yuexin Liu, Limei Hu, David Cogdell, Kshipra M Gharpure, Sunila Pradeep, Archana S Nagaraja, Anil K Sood, Wei Zhang
Ovarian cancer is one of the most lethal malignant tumors in women. The prognosis of ovarian cancer patients depends, in part, on their response to platinum-based chemotherapy. Our recent analysis of genomics and clinical data from the Cancer Genome Atlas demonstrated that somatic mutations of ADAMTS 1, 6, 8, 9, 15, 16, 18 and L1 genes were associated with higher sensitivity to platinum and longer progression-free survival, overall survival, and platinum-free survival duration in 512 patients with high-grade serous ovarian carcinoma...
August 8, 2016: Oncotarget
Pankaj Puri, Vivek A Saraswat, Radha K Dhiman, Anil C Anand, Subrat K Acharya, Shivaram P Singh, Yogesh K Chawla, Deepak N Amarapurkar, Ajay Kumar, Anil Arora, Vinod K Dixit, Abraham Koshy, Ajit Sood, Ajay Duseja, Dharmesh Kapoor, Kaushal Madan, Anshu Srivastava, Ashish Kumar, Manav Wadhawan, Amit Goel, Abhai Verma, Shalimar, Gaurav Pandey, Rohan Malik, Swastik Agrawal
India contributes significantly to the global burden of HCV. While the nucleoside NS5B inhibitor sofosbuvir became available in the Indian market in March 2015, the other directly acting agents (DAAs), Ledipasvir and Daclatasvir, have only recently become available in the India. The introduction of these DAA in India at a relatively affordable price has led to great optimism about prospects of cure for these patients as not only will they provide higher efficacy, but combination DAAs as all-oral regimen will result in lower side effects than were seen with pegylated interferon alfa and ribavirin therapy...
June 2016: Journal of Clinical and Experimental Hepatology
Fabrizio Miranda, David Mannion, Shujuan Liu, Yiyan Zheng, Lingegowda S Mangala, Clara Redondo, Sandra Herrero-Gonzalez, Ruoyan Xu, Charlotte Taylor, Donatien Fotso Chedom, Mohammad Karaminejadranjbar, Ashwag Albukhari, Dahai Jiang, Sunila Pradeep, Cristian Rodriguez-Aguayo, Gabriel Lopez-Berestein, Eidarus Salah, Kamal R Abdul Azeez, Jonathan M Elkins, Leticia Campo, Kevin A Myers, Daniel Klotz, Serena Bivona, Sunanda Dhar, Robert C Bast, Hideyuki Saya, Hwan Geun Choi, Nathanael S Gray, Roman Fischer, Benedikt M Kessler, Christopher Yau, Anil K Sood, Takeshi Motohara, Stefan Knapp, Ahmed Ashour Ahmed
The adipocyte-rich microenvironment forms a niche for ovarian cancer metastasis, but the mechanisms driving this process are incompletely understood. Here we show that salt-inducible kinase 2 (SIK2) is overexpressed in adipocyte-rich metastatic deposits compared with ovarian primary lesions. Overexpression of SIK2 in ovarian cancer cells promotes abdominal metastasis while SIK2 depletion prevents metastasis in vivo. Importantly, adipocytes induce calcium-dependent activation and autophosphorylation of SIK2...
August 8, 2016: Cancer Cell
Qianghua Hu, Miao Wang, Min Soon Cho, Chunyan Wang, Alpa M Nick, Perumal Thiagarajan, Fleur M Aung, Xianlin Han, Anil K Sood, Vahid Afshar-Kharghan
BACKGROUND: Ovarian cancer patients have a high risk of developing venous thrombosis. The membrane lipid bilayer of platelets and platelet-derived microparticles (PMP) provides a platform for assembly of coagulation proteins and generation of blood clots. METHODS: We compared the lipid composition of platelets and PMPs in patients with ovarian cancer to those in healthy subjects. We used shotgun lipidomics to quantify 12 classes and 177 species of lipids. RESULTS: We found a significant change in 2 classes of lipids in platelets and PMPs isolated from ovarian cancer patients: higher phosphatidylinositol and lower lyso-phosphatidylcholine...
December 2016: BBA Clinical
Anil Kumar, Mamta Metwal, Sanveen Kaur, Atul K Gupta, Swati Puranik, Sadhna Singh, Manoj Singh, Supriya Gupta, B K Babu, Salej Sood, Rattan Yadav
The science of nutritional biology has progressed extensively over the last decade to develop food-based nutraceuticals as a form of highly personalized medicine or therapeutic agent. Finger millet [Eleusine coracana (L.) Gaertn.] is a crop with potentially tremendous but under-explored source of nutraceutical properties as compared to other regularly consumed cereals. In the era of growing divide and drawback of nutritional security, these characteristics must be harnessed to develop finger millet as a novel functional food...
2016: Frontiers in Plant Science
Jinhyuk F Chung, Calvin J Yoon, Seon Ah Cheon, Eun Seok Seo, Sung Ho Park, Jae Seung Yang, Bumju Kim, Min Young Joo, Tae Jung Park, Ki Hean Kim, Anil K Sood, Sang Joon Lee
Recently a mouse skin carcinogenesis study reported that a β-blocker carvedilol displayed antitumor-properties via antihyperplastic effects. However, the antihyperplastic mechanism is unclear as the β-blocker is characterized with multiple pleiotropic effects including stimulation of endothelial NO release and verapamil-like calcium channel blocking activity. To investigate the nature and the origin of the antihyperplastic effects, we tested topical pretreatment with pindolol, heptaminol, ATRA or verapamil against Balb/c mouse ear skin hyperplasia that was induced by TPA...
June 22, 2016: Oncotarget
Akhil Srivastava, Anish Babu, Justyna Filant, Katherine M Moxley, Rachel Ruskin, Danny Dhanasekaran, Anil K Sood, Scott McMeekin, Rajagopal Ramesh
The bottleneck in current vector-based cancer therapy is the targeted and controlled release of therapeutics in tumors. Exosomes are submicron-sized vesicles that are secreted by all cell types and are involved in communication and transportation of materials between cells. Analogous in size and function to synthetic nanoparticles, exosomes offer many advantages, rendering them the most promising candidates for targeted drug or gene delivery vehicles. Patient-specific customized therapeutic strategies can be engineered using exosomes derived from the patient's own healthy cells...
June 2016: Journal of Biomedical Nanotechnology
Marco Napoli, Avinashnarayan Venkatanarayan, Payal Raulji, Brooke A Meyers, William Norton, Lingegowda S Mangala, Anil K Sood, Cristian Rodriguez-Aguayo, Gabriel Lopez-Berestein, Harina Vin, Madeleine Duvic, Michael B Tetzlaff, Jonathan L Curry, Alain H Rook, Hussein A Abbas, Cristian Coarfa, Preethi H Gunaratne, Kenneth Y Tsai, Elsa R Flores
ΔNp63 is an oncogenic member of the p53 family and acts to inhibit the tumor-suppressive activities of the p53 family. By performing a chemical library screen, we identified histone deacetylase inhibitors (HDACi) as agents reducing ΔNp63 protein stability through the E3 ubiquitin ligase, Fbw7. ΔNp63 inhibition decreases the levels of its transcriptional target, DGCR8, and the maturation of let-7d and miR-128, which we found to be critical for HDACi function in vitro and in vivo. Our work identified Fbw7 as a predictive marker for HDACi response in squamous cell carcinomas and lymphomas, and unveiled let-7d and miR-128 as specific targets to bypass tumor resistance to HDACi treatment...
June 13, 2016: Cancer Cell
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