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Anil K Sood

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https://www.readbyqxmd.com/read/27910914/in-vivo-stepwise-immunomodulation-using-chitosan-nanoparticles-as-a-platform-nanotechnology-for-cancer-immunotherapy
#1
Hee Dong Han, Yeongseon Byeon, Jong-Hwa Jang, Hat Nim Jeon, Ga Hee Kim, Min Gi Kim, Chan-Gi Pack, Tae Heung Kang, In Duk Jung, Yong Taik Lim, Young Joo Lee, Jeong-Won Lee, Byung Cheol Shin, Hyung Jun Ahn, Anil K Sood, Yeong-Min Park
Dentritic cell (DC)-based cancer immunotherapy faces challenges in both efficacy and practicality. However, DC-based vaccination requires multiple injections and elaborates ex vivo manipulation, which substantially limits their use. Therefore, we sought to develop a chitosan nanoparticle (CH-NP)-based platform for the next generation of vaccines to bypass the ex vivo manipulation and induce immune responses via active delivery of polyinosinic-polycytidylic acid sodium salt (poly I:C) to target Toll-like receptor 3 (TLR3) in endosomes...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27903673/combining-anti-mir-155-with-chemotherapy-for-the-treatment-of-lung-cancers
#2
Katrien Van Roosbroeck, Francesca Fanini, Tetsuro Setoyama, Cristina Ivan, Cristian Rodriguez-Aguayo, Enrique Fuentes-Mattei, Lianchun Xiao, Ivan Vannini, Roxana Redis, Lucilla D'Abundo, Xinna Zhang, Milena S Nicoloso, Simona Rossi, Vianey Gonzalez-Villasana, Rajesha Rupaimoole, Manuela Ferracin, Fortunato Morabito, Antonino Neri, Peter Ruvolo, Vivian R Ruvolo, Chad V Pecot, Dino Amadori, Lynne Aruzzo, Steliana Calin, Xuemei Wang, M James You, Alessandra Ferrajoli, Robert Z Orlowski, William Plunkett, Tara Lichtenberg, Ramana V Davuluri, Ioana Berindan-Neagoe, Massimo Negrini, Ignacio I Wistuba, Kantarjian Hagop, Anil K Sood, Gabriel Lopez-Berestein, Michael J Keating, Muller Fabbri, George A Calin
Purpose The oncogenic miR-155 is upregulated in many human cancers and its expression is increased in more aggressive and therapy resistant tumors, but the molecular mechanisms underlying miR-155-induced therapy resistance are not fully understood. The main objectives of this study were to determine the role of miR-155 in resistance to chemotherapy and to evaluate anti-miR-155 treatment to chemosensitize tumors. Experimental Design We performed in vitro studies on cell lines to investigate the role of miR-155 in therapy resistance...
November 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27898819/genotyping-by-sequencing-analysis-for-determining-population-structure-of-finger-millet-germplasm-of-diverse-origins
#3
Anil Kumar, Divya Sharma, Apoorv Tiwari, J P Jaiswal, N K Singh, Salej Sood
Finger millet [ (L.) Gaertn.] is grown mainly by subsistence farmers in arid and semiarid regions of the world. To broaden its genetic base and to boost its production, it is of paramount importance to characterize and genotype the diverse gene pool of this important food and nutritional security crop. However, as a result of nonavailability of the genome sequence of finger millet, the progress could not be made in realizing the molecular basis of unique qualities of the crop. In the present investigation, attempts have been made to characterize the genetically diverse collection of 113 finger millet accessions through whole-genome genotyping-by-sequencing (GBS), which resulted in a genome-wide set of 23,000 single-nucleotide polymorphisms (SNPs) segregating across the entire collection and several thousand SNPs segregating within every accession...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27890659/rna-nanoparticles-harboring-annexin-a2-aptamer-can-target-ovarian-cancer-for-tumor-specific-doxorubicin-delivery
#4
Fengmei Pi, Hui Zhang, Hui Li, Varatharasa Thiviyanathan, David G Gorenstein, Anil K Sood, Peixuan Guo
A novel modified nucleic acid nanoparticle harboring an annexin A2 aptamer for ovarian cancer cell targeting and a GC rich sequence for doxorubicin loading is designed and constructed. The system utilizes a highly stable three-way junction (3WJ) motif from phi29 packaging RNA as a core structure. A phosphorothioate-modified DNA aptamer targeting annexin A2, Endo28, was conjugated to one arm of the 3WJ. The pRNA-3WJ motif retains correct folding of attached aptamer, keeping its functions intact. It is of significant utility for aptamer-mediated targeted delivery...
November 25, 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/27889101/highly-heterogeneous-genomic-landscape-of-uterine-leiomyomas-by%C3%A2-whole-exome-sequencing-and-genome-wide-arrays
#5
Svetlana A Yatsenko, Priya Mittal, Michelle A Wood-Trageser, Mirka W Jones, Urvashi Surti, Robert P Edwards, Anil K Sood, Aleksandar Rajkovic
OBJECTIVE: To determine the genomic signatures of human uterine leiomyomas and prevalence of MED12 mutations in human uterine leiomyosarcomas. DESIGN: Retrospective cohort study. SETTING: Not applicable. PATIENT(S): This study included a set of 16 fresh frozen leiomyoma and corresponding unaffected myometrium specimens as well as 153 leiomyosarcomas collected from women diagnosed with uterine leiomyomas or leiomyosarcomas who underwent clinically indicated abdominal hysterectomy...
November 23, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27843314/toll-like-receptor-3-induced-immune-response-by-poly-d-l-lactide-co-glycolide-nanoparticles-for-dendritic-cell-based-cancer-immunotherapy
#6
Hee Dong Han, Yeongseon Byeon, Tae Heung Kang, In Duk Jung, Jeong-Won Lee, Byung Cheol Shin, Young Joo Lee, Anil K Sood, Yeong-Min Park
Dendritic cells (DCs) are potent professional antigen-presenting cells that are capable of initiating a primary immune response and activating T cells, and they play a pivotal role in the immune responses of the host to cancer. Prior to antigen presentation, efficient antigen and adjuvant uptake by DCs is necessary to induce their maturation and cytokine generation. Nanoparticles (NPs) are capable of intracellular delivery of both antigen and adjuvant to DCs. Here, we developed an advanced poly(d,l-lactide-co-glycolide) (PLGA)-NP encapsulating both ovalbumin (OVA) as a model antigen and polyinosinic-polycytidylic acid sodium salt (Toll-like receptor 3 ligand) as an adjuvant to increase intracellular delivery and promote DC maturation...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27829138/targeting-stromal-glutamine-synthetase-in-tumors-disrupts-tumor-microenvironment-regulated-cancer-cell-growth
#7
Lifeng Yang, Abhinav Achreja, Tsz-Lun Yeung, Lingegowda S Mangala, Dahai Jiang, Cecil Han, Joelle Baddour, Juan C Marini, Joseph Ni, Ryuichi Nakahara, Stephen Wahlig, Lisa Chiba, Sun Hye Kim, Joshua Morse, Sunila Pradeep, Archana Sidalaghatta Nagaraja, Monika Haemmerle, Noh Kyunghee, Mathew Derichsweiler, Thomas Plackemeier, Imelda Mercado-Uribe, Gabriel Lopez-Berestein, Tyler Moss, Prahlad T Ram, Jinsong Liu, Xiongbin Lu, Samuel C Mok, Anil K Sood, Deepak Nagrath
Reactive stromal cells are an integral part of tumor microenvironment (TME) and interact with cancer cells to regulate their growth. Although targeting stromal cells could be a viable therapy to regulate the communication between TME and cancer cells, identification of stromal targets that make cancer cells vulnerable has remained challenging and elusive. Here, we identify a previously unrecognized mechanism whereby metabolism of reactive stromal cells is reprogrammed through an upregulated glutamine anabolic pathway...
November 8, 2016: Cell Metabolism
https://www.readbyqxmd.com/read/27828713/the-rise-of-genomic-profiling-in-ovarian-cancer
#8
Rebecca A Previs, Anil K Sood, Gordon B Mills, Shannon N Westin
Next-generation sequencing and advances in 'omics technology have rapidly increased our understanding of the molecular landscape of epithelial ovarian cancers. Areas covered: Once characterized only by histologic appearance and clinical behavior, we now understand many of the molecular phenotypes that underlie the different ovarian cancer subtypes. While the current approach to treatment involves standard cytotoxic therapies after cytoreductive surgery for all ovarian cancers regardless of histologic or molecular characteristics, focus has shifted beyond a 'one size fits all' approach to ovarian cancer...
November 9, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27823375/pathology-in-practice
#9
April L Kendricks, Laura R Pageon, Suzanne L Craig, Yunfei Wen, Anil K Sood, Cynthia R Lockworth
No abstract text is available yet for this article.
November 15, 2016: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/27806300/role-of-ctgf-in-sensitivity-to-hyperthermia-in-ovarian-and-uterine-cancers
#10
Hiroto Hatakeyama, Sherry Y Wu, Yasmin A Lyons, Sunila Pradeep, Wanqin Wang, Qian Huang, Karem A Court, Tao Liu, Song Nie, Cristian Rodriguez-Aguayo, Fangrong Shen, Yan Huang, Takeshi Hisamatsu, Takashi Mitamura, Nicholas Jennings, Jeajun Shim, Piotr L Dorniak, Lingegowda S Mangala, Marco Petrillo, Vladislav A Petyuk, Athena A Schepmoes, Anil K Shukla, Madeline Torres-Lugo, Ju-Seog Lee, Karin D Rodland, Anna Fagotti, Gabriel Lopez-Berestein, Chun Li, Anil K Sood
Even though hyperthermia is a promising treatment for cancer, the relationship between specific temperatures and clinical benefits and predictors of sensitivity of cancer to hyperthermia is poorly understood. Ovarian and uterine tumors have diverse hyperthermia sensitivities. Integrative analyses of the specific gene signatures and the differences in response to hyperthermia between hyperthermia-sensitive and -resistant cancer cells identified CTGF as a key regulator of sensitivity. CTGF silencing sensitized resistant cells to hyperthermia...
November 1, 2016: Cell Reports
https://www.readbyqxmd.com/read/27803105/bet-inhibitors-suppress-aldh-activity-by-targeting-aldh1a1-super-enhancer-in-ovarian-cancer
#11
Yuhki Yokoyama, Hengrui Zhu, Jeong Heon Lee, Andrew V Kossenkov, Sherry Y Wu, Jayamanna M Wickramasinghe, Xiangfan Yin, Katherine C Palozola, Alessandro Gardini, Louise C Showe, Kenneth S Zaret, Qin Liu, David Speicher, Jose R Conejo-Garcia, James E Bradner, Zhiguo Zhang, Anil K Sood, Tamas Ordog, Benjamin G Bitler, Rugang Zhang
The emergence of tumor cells with certain stem-like characteristics, such as high aldehyde dehydrogenase (ALDH) activity due to ALDH1A1 expression, contributes to chemotherapy resistance and tumor relapse. However, clinically applicable inhibitors of ALDH activity have not been reported. There is evidence to suggest that epigenetic regulation of stem-related genes contributes to chemotherapy efficacy. Here, we show that bromodomain and extraterminal (BET) inhibitors suppress ALDH activity by abrogating BRD4-mediated ALDH1A1 expression through a super-enhancer element and its associated enhancer RNA...
November 1, 2016: Cancer Research
https://www.readbyqxmd.com/read/27777972/improving-vascular-maturation-using-noncoding-rnas-increases-antitumor-effect-of-chemotherapy
#12
Lingegowda S Mangala, Hongyu Wang, Dahai Jiang, Sherry Y Wu, Anoma Somasunderam, David E Volk, Ganesh L R Lokesh, Xin Li, Sunila Pradeep, Xianbin Yang, Monika Haemmerle, Cristian Rodriguez-Aguayo, Archana S Nagaraja, Rajesha Rupaimoole, Emine Bayraktar, Recep Bayraktar, Li Li, Takemi Tanaka, Wei Hu, Cristina Ivan, Kshipra M Gharpure, Michael H McGuire, Varatharasa Thiviyanathan, Xinna Zhang, Sourindra N Maiti, Nataliya Bulayeva, Hyun-Jin Choi, Piotr L Dorniak, Laurence J N Cooper, Kevin P Rosenblatt, Gabriel Lopez-Berestein, David G Gorenstein, Anil K Sood
Current antiangiogenesis therapy relies on inhibiting newly developed immature tumor blood vessels and starving tumor cells. This strategy has shown transient and modest efficacy. Here, we report a better approach to target cancer-associated endothelial cells (ECs), reverse permeability and leakiness of tumor blood vessels, and improve delivery of chemotherapeutic agents to the tumor. First, we identified deregulated microRNAs (miRs) from patient-derived cancer-associated ECs. Silencing these miRs led to decreased vascular permeability and increased maturation of blood vessels...
October 20, 2016: JCI Insight
https://www.readbyqxmd.com/read/27760566/miip-remodels-rac1-mediated-cytoskeleton-structure-in-suppression-of-endometrial-cancer-metastasis
#13
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
https://www.readbyqxmd.com/read/27742688/ubiquitous-release-of-exosomal-tumor-suppressor-mir-6126-from-ovarian-cancer-cells
#14
Pinar Kanlikilicer, Mohammed H Rashed, 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 with ovarian cancer patient samples and correlated with better overall survival in patients with high-grade serous ovarian cancer...
October 14, 2016: Cancer Research
https://www.readbyqxmd.com/read/27741356/miip%C3%A2-haploinsufficiency-induces-chromosomal-instability-and-promotes-tumour-progression-in-colorectal-cancer
#15
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
https://www.readbyqxmd.com/read/27720213/microrna-therapeutics-in-cancer-an-emerging-concept
#16
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...
October 2016: EBioMedicine
https://www.readbyqxmd.com/read/27638860/antitumor-and-antiangiogenic-effects-of-aspirin-pc-in-ovarian-cancer
#17
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 Dorniak, 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 versus aspirin on three human (A2780, SKOV3ip1, and 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 antiangiogenic therapy, and we examined their underlying mechanisms...
December 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27612280/rna-targeted-therapeutics-in-cancer-clinical-trials-current-status-and-future-directions
#18
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
https://www.readbyqxmd.com/read/27587791/association-of-ovarian-tumor-%C3%AE-2-adrenergic-receptor-status-with-ovarian-cancer-risk-factors-and-survival
#19
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...
December 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27566147/evoking-picomolar-binding-in-rna-by-a-single-phosphorodithioate-linkage
#20
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
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