Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ravinder Sagar"'
Autor:
Rakesh Sharma, Raj Kumar, S. C. Puri, Sonia Tyagi, Rajesh Arora, Shikha Singh, N.L. Soni, Raman Chawla, R. P. Tripathi, Jagdish Prasad, Pankaj Chaudhary, M. Memita Devi, Lakshman Singh, M. Lata, Ravinder Sagar
Publikováno v:
Phytomedicine. 16:47-55
The current study has concentrated on assessment of the radioprotective potential of REC-2001, a semi-purified fraction of rhizomes of Podophyllum hexandrum, in Swiss albino Strain 'A' mice exposed to 10 Gy whole-body gamma radiation. Animals were tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3915b6cb98f19d65b43e248eff5b581e
https://doi.org/10.1016/j.phymed.2007.04.010
https://doi.org/10.1016/j.phymed.2007.04.010
Autor:
Vinay Gupta, Jagdish Prasad, S. C. Puri, Ravinder Sagar, Shikha Singh, Ghulam Nabi Qazi, Bilal Ahmed, Raj Kumar, Ashok Sharma, Bal Krishna, Rajesh Arora, Raman Chawla, Rakesh Sharma, Surender Singh, Kanaya Lal Dhar, Manju Lata Gupta, Pankaj Kumar Singh, Haider A. Khan
Publikováno v:
Planta Medica. 72:114-120
A semi-purified extract of low-altitude Podophyllum hexandrum (REC-2001) containing a relatively low content of podophyllotoxin (3.25 %) exhibited potent antioxidant ability in lipid media (at 1000 microg/mLagainst 0.25 kGy) and significant (p < 0.05
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b770dc75ae24128cf8a6cdface84fd24
https://doi.org/10.1055/s-2005-873148
https://doi.org/10.1055/s-2005-873148
Autor:
Rajesh Arora, S. Riyaz-ul-Hasan, Ashok Kumar Sharma, S. C. Puri, Shikha Singh, Bilal Ahmed, Raj Kumar, Raman Chawla, Ravinder Sagar, Asiya Nazir, Touseef Amna, Vijeshwar Verma, Ghulam Nabi Qazi, Rakesh Sharma
Publikováno v:
Journal of Biotechnology. 122:494-510
The aryl tetralin lignans are synthesized by Podophyllum sps. and are in great demand worldwide due to their use in synthesis of topoisomerase inhibitors. However, the sustained production of these aryl tetralin lignans requires large-scale harvestin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::576e4d9a68f12885e3c7081a631113c6
https://doi.org/10.1016/j.jbiotec.2005.10.015
https://doi.org/10.1016/j.jbiotec.2005.10.015
Autor:
Kanaya Lal Dhar, Satish Chander Puri, Rakesh Sharma, Rajesh Arora, Ravinder Sagar, G. Handa, Vinay Gupta, Jagdish Prasad, Raman Chawla, Ghulam Nabi Qazi, Gurpreet Kaur, Ashok Sharma, Pankaj Chaudhary, Raj Kumar, Sandeep Kumar Shukla, S.P. Singh
Publikováno v:
Molecular and Cellular Biochemistry. 273:193-208
Whole extract of rhizomes of Podophyllum hexandrum has been reported earlier by our group to render whole-body radioprotection. High-altitude P. hexandrum (HAPH) was therefore fractionated using solvents of varying polarity (non-polar to polar) and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15680f39dcd912d616d0fc80fa194f37
https://doi.org/10.1007/s11010-005-0821-5
https://doi.org/10.1007/s11010-005-0821-5
Radioprotective and antioxidant activity of fractionated extracts of berries of Hippophae rhamnoides
Autor:
Haider A. Khan, A. K. Gupta, Raman Chawla, Ravinder Sagar, Rajesh Arora, Ashok Kumar Sharma, Jagdish Prasad, Rajender P. Tripathi, Surender Singh, Shikha Singh, P. S. Ahuja, Raj Kumar, Manju Lata Gupta, Rakesh Sharma, Anand Swaroop, Arun K. Sinha
Publikováno v:
Journal of medicinal food. 10(1)
Plants are an abundant source of medicinal compounds, some of which are useful in combating free radical-mediated oxidative stress. In the present study, initially two fractions designated REC-1001 (flavonoid-rich fraction) and REC-1002 (flavonoid-po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ab9bf163b99c01dd4239816d2054f8b
https://pubmed.ncbi.nlm.nih.gov/17472473
https://pubmed.ncbi.nlm.nih.gov/17472473
Autor:
Abdul S. Shawl, P. Sultan, Tej Krishan, Rakesh Sharma, Haider A. Khan, Shikha Singh, Ravinder Sagar, Gulam Nabi Qazi, A. K. Sharma, R. Kumar, R. P. Tripathi, Seema Puri, Rajesh Arora, Raman Chawla
Publikováno v:
Evidence-based Complementary and Alternative Medicine
Evidence-Based Complementary and Alternative Medicine, Vol 3, Iss 4, Pp 503-511 (2006)
Evidence-Based Complementary and Alternative Medicine, Vol 3, Iss 4, Pp 503-511 (2006)
We have evaluated the effect of variation in aryl-tetralin lignans on the radioprotective properties ofPodophyllum hexandrum. Two fractionated fractions ofP. hexandrum[methanolic (S1) and chloroform fractions (S2)], with varying aryl-tetralin lignan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1005e299530633ae26939b8dd616c09c
https://pubmed.ncbi.nlm.nih.gov/17173115
https://pubmed.ncbi.nlm.nih.gov/17173115
Autor:
Ashok Kumar Sharma, Raman Chawla, Rajesh Arora, Gurpreet Kaur, Shikha Singh, Surender Singh, Jagdish Prasad, Ravinder Sagar, Satish Chander Puri, Rakesh Sharma, Pankaj Chaudhary, Ghulam Nabi Qazi, Raj Kumar
Publikováno v:
Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer. 24(4)
The development of nontoxic yet effective radioprotectors is needed because of the increasing risk of human exposure to ionizing radiation. We have reported that high-altitude Podophyllum hexandrum (HAPH) confers a radioprotective effect in in vitro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02719de3528ffbb4a616cd79f5d44270
https://pubmed.ncbi.nlm.nih.gov/16393123
https://pubmed.ncbi.nlm.nih.gov/16393123
Autor:
Rakesh Sharma, Surender Singh, Ashok Sharma, Rajesh Arora, Shikha Singh, Kanaya Lal Dhar, Ghulam Nabi Qazi, Jagdish Prasad, Haider A. Khan, Raj Kumara, Satish Chander Puri, Ravinder Sagar, Michael Spiteller, Raman Chawla
Publikováno v:
Zeitschrift fur Naturforschung. C, Journal of biosciences. 60(9-10)
The aqueous-ethanolic extract (AEE) of high altitude Podophyllum hexandrum has earlier been reported to render a radioprotective effect against lethal gamma radiation in in vitro model. AEE has also been reported to possess metal chelating and DNA pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcf6db22a92c21c9a1d577ffeaf30bdb
https://pubmed.ncbi.nlm.nih.gov/16320616
https://pubmed.ncbi.nlm.nih.gov/16320616
Autor:
S.P. Singh, Shikha Singh, Raman Chawla, Rakesh Sharma, Raj Kumar, Ashok Sharma, Jagdish Prasad, Rajesh Arora, Ravinder Sagar
Publikováno v:
Molecular and cellular biochemistry. 273(1-2)
The present study reports the radioprotective properties of a hydro-alcoholic rhizome extract of Rhodiola imbricata (code named REC-7004), a plant native to the high-altitude Himalayas. The radioprotective effect, along with its relevant superoxide i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9267e0c97c473aeb550578b2ff7d8197
https://pubmed.ncbi.nlm.nih.gov/16013456
https://pubmed.ncbi.nlm.nih.gov/16013456
Autor:
Rakesh Sharma, Raj Kumar, Ashok Sharma, Surya Prakash Singh, Rajesh Arora, Damodar Gupta, Jagdish Prasad, Namita Samanta, Raman Chawla, Ravinder Sagar
Publikováno v:
Phytotherapy research : PTR. 19(1)
The development of radioprotective agents has been the subject of intense research in view of their potential for use within a radiation environment, such as space exploration, radiotherapy and even nuclear war. However, no ideal, safe synthetic radi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b0c8998c7ff8714b8849706f580a827
https://pubmed.ncbi.nlm.nih.gov/15799007
https://pubmed.ncbi.nlm.nih.gov/15799007