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Nilkanth G. Aher,박지원,박병호,김찬경,한인옥,조형진 대한화학회 2016 Bulletin of the Korean Chemical Society Vol.37 No.6
Ethylenedisalicylic acid (EDSA) was developed as a novel scaffold for dual inhibitors of protein tyrosine phosphatase (PTP) 1B and IkB kinase β (IKKβ). EDSA is a modified version of methylenedisalicylic acid (MDSA) and contains two salicylate moieties connected by an ethylene moiety. In this study, derivatives of EDSA were synthesized and their inhibitory potencies against PTP1B and IKKβ were investigated. Many of these derivatives exhibited half-maximal inhibitory concentrations (IC50s) in the low micromolar range. The metabolic effects ofESA4 , 7, and 8 were further examined in a mouse model system. ESA4 and ESA8 significantly suppressed diet-induced weight gain, whereas ESA7 had a marginal effect. ESA4 , 7, and 8 also lowered fasting glucose levels and accelerated glucose clearance rates after glucose injection. These observations indicate that EDSA scaffold-based compounds are promising candidates for the treatment of obesity and diabetes.
Ganesh Kutal,Sandeep Varpe,Gajanan R Aher,Amol Kolhe,Chandrashekhar Mahajan,Rupesh Patil,Prayagraj Singh 한국대기환경학회 2022 Asian Journal of Atmospheric Environment (AJAE) Vol.16 No.2
Surface ozone (O3) data at Pune (1998-2014) and Delhi (1998-2013) are studied to examine their temporal characteristics. Study also examines role of meteorology and atmospheric boundary layer height (ABLH) in modulating surface O3 at these sites. Using diurnal variability of surface O3, rate of change of surface O3, [d(O3)/dt] is estimated to infer the nature of surface O3 formation/destruction mechanisms. Analysis of data reveals that at both locations, surface O3 concentrations during daytime are significantly high as compared to those during nighttime. Seasonally, at Pune averaged daytime surface O3 concentrations are high during pre-monsoon and low in monsoon while those during winter and post-monsoon are found to be significantly higher than those in monsoon but half as compared to those in pre-monsoon. At Delhi, averaged daytime surface O3 concentration is minimum in winter and maximum in pre-monsoon with monsoon and post-monsoon values being about 0.79-0.82 times with respect to premonsoon O3 concentrations. High natural/anthropogenic pollutant concentration, abundance of ozone precursor gases, high temperature and high rate of photo-oxidation of precursor gases due to solar flux are the causal factors for increased surface O3 concentrations in pre-monsoon season. Reduced solar flux decreases photo-dissociation of ozone precursor gases resulting in low O3 concentration during winter season. Occurrence of low surface O3 during early morning hours in monsoon, post-monsoon and winter seasons is because of low ABLH and low stratosphere-troposphere exchange (STE). [d(O3)/dt] values during morning/evening at Pune and Delhi are indicative of asymmetric and symmetric nature of ozone formation/destruction mechanisms.
Saha, Aditi,Shah, Sonal,Waknis, Pushkar,Aher, Sharvika,Bhujbal, Prathamesh,Vaswani, Vibha The Korean Dental Society of Anesthsiology 2019 Journal of Dental Anesthesia and Pain Medicine Vol.19 No.4
Background: Pain is an unpleasant sensation ranging from mild localized discomfort to agony and is one of the most commonly experienced symptoms in oral surgery. Usually, local anesthetic agents and analgesics are used for pain control in oral surgical procedures. Local anesthetic agents including lignocaine and bupivacaine are routinely used in varying concentrations. The present study was designed to evaluate and compare the efficacy of 0.25% and 0.5% bupivacaine for postoperative analgesia in infraorbital nerve block. Methods: Forty-one patients undergoing bilateral maxillary orthodontic extraction received 0.5% bupivacaine (n = 41) on one side and 0.25% bupivacaine (n = 41) on the other side at an interval of 7 d. The parameters evaluated for both the bupivacaine concentrations were onset of action, pain during procedure (visual analog scale score [VAS]), and duration of action. The results were noted, tabulated, and analyzed using the Wilcoxon signed rank test. Results: The onset of action of 0.5% bupivacaine was quicker than that of 0.25% bupivacaine, but the difference was not statistically significant (P = 0.306). No significant difference was found between the solutions for VAS scores (P = 0.221) scores and duration of action (P = 0.662). Conclusion: There was no significant difference between 0.25% bupivacaine and 0.5% bupivacaine in terms of onset of action, pain during procedure, and duration of action. The use of 0.25% bupivacaine is recommended.
Aditi Saha,Sonal Shah,Pushkar Waknis,Prathamesh Bhujbal,Sharvika Aher,Vibha Vaswani 대한구강악안면외과학회 2019 대한구강악안면외과학회지 Vol.45 No.5
This study evaluated and compared the donor site morbidity following minimally invasive and conventional open harvesting of iliac bone for secondary alveolar bone grafting in cleft palate patients. A thorough electronic search of PubMed, Google Scholar, EMBASE, and an institutional library and manual search of various journals was done; Inclusion criteria: 1) full-text articles using a minimally invasive or conventional open harvesting technique for iliac bone for secondary alveolar grafting in cleft palate patients and 2) articles published between January 1, 2001 and June 30, 2017 and Exclusion criteria: 1) articles published in languages other than English, 2) case reports, case series, animal studies, in vitro studies, and letters to the editor, and 3) full-text article unavailable even after writing to the authors. Preliminary screening of 274 studies excluded 223 studies for not meeting the eligibility criteria. Of the remaining 51 studies, 19 were removed for being duplicates. Of the remaining 32 studies, 15 were excluded after reading the abstract. Of the 17 studies that were left, 2 were excluded because they were in a language other than English, and 2 were excluded because the study group did not mention cleft palate patients. Thus, 13 studies providing results for a total of 654 patients were included in this qualitative synthesis. Minimally invasive bone graft harvest techniques are better than the conventional open iliac bone harvest method because they offer shorter operative time, decreased requirement for pain medications, less pain on discharge, and a shorter hospital stay.