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Modulation of signal transduction pathways by natural compounds in cancer
Ranjan, A.,Fofaria, N.M.,Kim, S.H.,Srivastava, S.K. Elsevier 2015 Chinese journal of natural medicines Vol.13 No.10
Cancer is generally regarded as the result of abnormal growth of cells. According to World Health Organization, cancer is the leading cause of mortality worldwide. Mother nature provides a large source of bioactive compounds with excellent therapeutic efficacy. Numerous phytochemicals from nature have been investigated for anticancer properties. In this review article, we discuss several natural compounds, which have shown anti-cancer activity. Natural compounds induce cell cycle arrest, activate intrinsic and extrinsic apoptosis pathways, generate Reactive Oxygen Species (ROS), and down-regulate activated signaling pathways, resulting in inhibition of cell proliferation, progression and metastasis of cancer. Several preclinical studies have suggested that natural compounds can also increase the sensitivity of resistant cancers to available chemotherapy agents. Furthermore, combining FDA approved anti-cancer drugs with natural compounds results in improved efficacy. On the basis of these exciting outcomes of natural compounds against several cancer types, several agents have already advanced to clinical trials. In conclusion, preclinical results and clinical outcomes against cancer suggest promising anticancer efficacy of agents from natural sources.
Rai, Ranjana,Yunos, Darmawati M.,Boccaccini, Aldo R.,Knowles, Jonathan C.,Barker, Ian A.,Howdle, Steven M.,Tredwell, Gregory D.,Keshavarz, Tajalli,Roy, Ipsita American Chemical Society 2011 Biomacromolecules Vol.12 No.6
<P><named-content content-type='genus-species' xlink:type='simple'>Pseudomonas mendocina</named-content> was found to produce a unique homopolymer of poly(3-hydroxyoctanoate), P(3HO), rather than a copolymer, when grown on sodium octanoate as the sole carbon source. Although this polymer has been produced by other organisms, interestingly this is the first time an absolute homopolymer has been produced by a wild type organism. In addition, a detailed study on the effects of different extraction methods on the yield, molecular weight, thermal properties, and lipopolysaccharide content of P(3HO) has been carried out. The organism was able to accumulate P(3HO) up to 31.38% of its dry cell weight within 48 h in mineral salt medium. Characterization of the monomer was carried out using FTIR, GC-MS, <SUP>13</SUP>C, <SUP>1</SUP>H, and HSQC NMR spectroscopy. The polymer had a crystallinity of 37.5%, Young’s modulus value of 11.6 MPa and contact angle of 77.3°. Microstructural studies of solvent cast polymer films revealed a smooth surface topography with a root-mean-square roughness value of 0.238 μm.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/bomaf6/2011/bomaf6.2011.12.issue-6/bm2001999/production/images/medium/bm-2011-001999_0007.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/bm2001999'>ACS Electronic Supporting Info</A></P>
Microsurgical Approach for Root Coverage of Receding Gingiva in the Esthetic Zone
Mohan, Ranjana,Jain, Rohit The Korean Society for Microsurgery 2013 Archives of reconstructive microsurgery Vol.22 No.2
Facial esthetics and smiling are key components in nonverbal communication and have an important role in determination of the first impression of a person. The various components of the smile in dental esthetics include Gingival scaffold, lip framework, and Teeth. The periodontist creates a smile by performing various periodontal plastic microsurgery procedures for management of mucogingival problems. A 25-year-old patient reported to the Department of Periodontology at Teerthanker Mahaveer Dental College and Research Center, Moradabad, Northern India, with the chief complaint of long looking teeth in the upper jaw, making him conscious while smiling. Miller class I gingival recession with Maxillary left canine (23) was diagnosed. Periodontal plastic microsurgery employing double papilla grafting with connective tissue graft harvested from the palate in order to cover denuded root was performed using microsurgical instruments and microsuturing with 6-0 suturing material under magnification. Healing was uneventful, with achievement of 100% root coverage of denuded root after three months. The patient was highly impressed and satisfied with his enhanced smile.
The Performance Analysis of CPU scheduling Algorithms in Operating Systems
Thangakumar Jeyaprakash,Ranjana P,Sambath M International Journal of Computer ScienceNetwork S 2023 International journal of computer science and netw Vol.23 No.7
Scheduling algorithms plays a significant role in optimizing the CPU in operating system. Each scheduling algorithms schedules the processes in the ready queue with its own algorithm design and its properties. In this paper, the performance analysis of First come First serve scheduling, Non preemptive scheduling, Preemptive scheduling, Shortest Job scheduling and Round Robin algorithm has been discussed with an example and the results has been analyzed with the performance parameters such as minimum waiting time, minimum turnaround time and Response time.
Pruritic Urticarial Papules and Plaques of Pregnancy Managed with Ayurveda: A Case Report
Rastogi, Sanjeev,Rastogi, Ranjana Cellmed Orthocellular Medicine and Pharmaceutical 2019 셀메드 (CellMed) Vol.9 No.2
Pruritic urticarial papules and plaque of pregnancy presents with difficulty in its management owing to the limited intervention options available during pregnancy and their sub optimal responses. In pregnancy, also often the mother remains reluctant in getting exposed to biological medicines for her concern to the growing fetus. In such conditions, Ayurveda, the traditional health care system from India is often looked as a safe alternative to offer symptom resolution and safe continuation of pregnancy without the discomforts of urticaria. This case report is an illustration in this regard.
Yadav Ankit,Suhag Archna,Jaiwal Ranjana,Chaudhary Darshna,Jaiwal Pawan K. 한국응용곤충학회 2024 Journal of Asia-Pacific Entomology Vol.27 No.1
DNA transfer between distantly related organisms over the years by means other than reproduction is known as horizontal gene transfer (HGT). Although HGT has played a significant role in the adaptive evolution of pro karyotes, its importance in determining the evolution of eukaryotes, particularly in insect lineages, remains unknown. A thorough examination of high-quality insect genomes has revealed more than the expected number of genes from different donors, bacteria, fungi, viruses, and plants. Most of these transfers have been concen trated in higher numbers in one of the highly destructive hemipteran global insect pests, the whitefly (Bemisia tabaci). Acquisition of genes in whiteflies from different donors has provided several advantages, including synthesizing vital components (biotin, lysine, and pantothenic acid) and a recently identified involvement in detoxifying plant toxins and many other unknowns. This review highlighted recent HGT events in hemipteran insects. We detailed the number and function of the horizontally transferred genes in B. tabaci from different donors and the advantages of such transfers. We also discussed the possibility of using HGT silencing to manage B. tabaci.
Case Report : Full term broad ligament pregnancy through a Cesarean scar
( Samar Rudra ),( Suhasini Gupta ),( Bal Krishan Taneja ),( Ranjana Gupta ) 대한산부인과학회 2013 Obstetrics & Gynecology Science Vol.56 No.6
A broad ligament pregnancy is an extremely rare condition. Diagnosis is often missed and finally made during laparotomy. We present a case which remained undiagnosed throughout her pregnancy till she reached term and unfortunately had intrauterine foetal demise when she reported to our hospital. On clinical suspicion, ultrasound and magnetic resonance imaging evaluation was done which picked up the diagnosis of abdominal pregnancy. On laparotomy a broad ligament pregnancy was found with a rent in the previous Cesarean scar towards the gestational sac in the broad ligament.