Preeti Sharma

The IIS University · Department of Chemistry

Since its sudden outbreak in December 2019 in Wuhan, A pandemic of SARS-CoV-2 has been announced. Vitamin C is a water-soluble vitamin with anti-oxidant and immunity-boosting properties. Vitamin C acts as a nutritional supplement profoundly impacting the immune response to the second or third wave of the coronavirus disease (COVID-19). Vitamin C ef...

Background: Improved prognosis and delay of clinical complications in Diabetes mellitus can be ensured by early screening and regular monitoring after diagnosis. This requires venipuncture at regular intervals of time causing anxiety and discomfort to the patient. Hence, development of a painless, non-invasive procedure is desirable for which saliv...

Background: The major causes of death both in developed and developing countries are diabetic mellitus, jaundice, cardiovascular disorders and hyperbilirubinemia. Higher concentration of cord blood glucose, urea, total protein and albumin in pre term neonates may increase their future risk of cardiovascular diseases. Early diagnosis and dietary mod...

To assess C reactive protein (CRP) in detecting type-II diabetes mellitus with nephropathy. Patients with a history of diabetes type 2 with nephropathy and patients with diabetes type 2 without nephropathy were included in the study. A total of 30 cases, both male and female, were recruited and compared with30 normal healthy adults. Each participan...

Introduction: Recent studies suggest that saliva could be functionally equivalent to serum in reflecting the physiological state of the body. Studies are being conducted to develop saliva as a tool for the screening and monitoring of chronic systemic diseases like Diabetes mellitus. Dyslipidaemia is most commonly assessed by laboratory lipid profil...

Coronavirus disease 19 is a global pandemic which infects over millions of people worldwide in a limited time and changes the lifestyle, clinical spectrum lies from asymptomatic infection to pneumonitis with cardiorespiratory failure and finally death. Higher mortality occurs in senior and who are suffering from co-morbidities like chronic kidney d...

Objective: In this study, the main objective was to evaluate the association of markers of obesity with the inflammatory markers in pre-diabetes and diabetes. Methods: This study recruited 300 participants (100 control group, 100 pre-diabetic group, and 100 diabetic group). The anthropometric variables such as body mass index (BMI), waist-hip ratio...

Background: One of the leading causes of diabetic mortality is cardiovascular disease. Diabetes progression is preceded by pre-diabetic phase which is also at higher cardiovascular risk. Both hyperglycemia and atherosclerotic processes are inflammatory phenomenon. Keeping this in view, it was aimed to evaluate atherogenic indices and correlate them...

Concurrent with the misbalance of oxidizing agents and antioxidants, high blood pressure is a major physical burden condition in the current scenario. Tumor necrosis factor-α (TNF-α) plays a vital role in the pathogenesis of hypertension. Tumor necrosis factor-α, inhibitor improves clinical symptoms however their outcome on high blood pressure has...

Almost 30 years have passed since the term 'tissue engineering' was created to represent a new concept that focuses on the regeneration of neotissues from cells with the support of biomaterials and growth factors. This interdisciplinary engineering has attracted much attention as a new therapeutic means that may overcome the drawbacks involved in t...

MAS, which is currently grouped under secondary or acquired haemophagocytic lymphohistiocytosis (sHLH), is a rare and fatal disorder that results from excess activation of T-cells and macrophages. Though the pathogenesis of MAS is poorly understood, various proinflammatory cytokines like interleukins (IL-1, IL-6), tumor necrosis factor α (tNF α), i...

Inborn errors of metabolism belong to heterogenous group of disorders which cause a number of morbidities and mortality in pediatric population and come under the class of genetic rare diseases. With the advent of newer molecular tools and techniques, so for several hundreds of disorders have been defined after the first description by Garrod in th...

Background: Concurrent with the imbalance of oxidizing agents and antioxidants, high blood pressure (BP) is a major physical condition burden in the current scenario. Tumor necrosis factor-alpha (TNF-α) plays a vital role in the pathogenesis of hypertension (HTN). TNF-α inhibitor improves clinical symptoms; however, their outcome on high BP has not...

Objective: Subclinical hypothyroidism (SCH) patients may present with abnormal lipid profile more specifically in patients having thyroid-stimulating hormone (TSH) >10 mIU/L. Since the contradiction still lies with patients having TSH <10 mIU/L, so the role of high-sensitive C-reactive protein (Hs- CRP) may be important with the prediction of infla...

Objectives: Adiponectin, a major cytokine from adipose tissue, and high sensitivity C-reactive protein (hs-CRP), well-established markers of inflammation are known to be associated with increased risk of cardiovascular disorders (CVD). Therefore the objective of our study was to evaluate the levels of these parameters and determine their correlatio...

Crossing the threshold in clinical activity, chimeric antigen receptor-modified T cells have emerged as a new effective therapeutic regimen against various types of cancer both in adults and pediatric oncology. Currently available CARs are designed in a manner so that that they are capable of recognizing MHC independent antigen and incorporate cost...

Background: Subclinical hypothyroidism causes development of cardiovascular risk is not very well defined due to contradictory findings over the years. Role of inflammatory markers in Subclinical hypothyroidism is not very well studied in the past. Objective: The main objective of this study was to assessment of the role of interleukin-6 and C reac...

Objective: In view of marked accentuations in cardiometabolic diseases in developing countries such as India, we aimed to conduct a cross-sectional study analyzing the prevalence of cardiometabolic risk factors in local population of Ghaziabad.Methods: The study is descriptive, random sample survey, and cross-sectional study. The study was carried...

A broad range of health-care practices is required to exploit the beneficial effects of Ayurveda, which is the most ancient system of medicines. Being the essence of Ayurvedic medicines, Indian medicinal plants manifest miraculous effects in curing a vast range of diseases and disorders among humans and can be better called as “elixirs of life.” Cu...

Objective: Objective is to study the prevalence of microalbuminuria among patients suffering from essential hypertension and also to evaluate theresponse of microalbuminuria to angiotensin-converting enzyme (ACE) inhibitors therapy.Methods: The study conducted at Santosh Medical College and Hospital, Ghaziabad, on 300 patients with essential hypert...

Among the adipokines, adiponectin is the first one to be described just over a decade ago. It is produced exclusively by adipose tissue and circulatesin high concentration in human plasma accounting for 0.01% of proteins in plasma, almost thousand times higher than that of leptin. The normalcirculating level of adiponectin ranges from 2 to 30 µg/ml...

Objective: Osteoporosis is a quite common in post-menopausal women due to estrogen deficiency. Uric acid (UA) concentration has found some controversial association with bone mineral density (BMD). Hence, the role of UA may be beneficial to know due to the sign and symptoms presented by osteoporosis patients. Methods: A total of 79 post-menopausal...

Thyroid hormones evidently play a very important role in regulation of carbohydrate metabolism. The present study was done to understand the association between the Thyroid Disorders and Diabetes Mellitus, the two major endocrinological diaorders. 1000 patients with type -2 DM irrespective of the age and gender both, randomly selected for study. 33...

Tuberculosis is one of the major causes of the mortality from single infectious agent worldwide. India has the highest number of TB cases in the world. It is the leading cause of death, because of its high mortality and morbidity because of the disease, is due to emergence of multidrug resistant TB strains, and the HIV infection which reactivates t...

The present study was carried out on 40 healthy volunteers, to analyze their SGPT (serum glutamate pyruvate transaminase) and uric acid level in the serum. The volunteers had the access to light meal containing a standard amount of carbohydrate, protein and lipid. Blood was taken for analysis of aforesaid parameters, before the meal and 1, 2, & 4 h...

Recent studies which were undertaken at CDRI to study the effect of N- acyl derivatives of various aminoacids, have culminated in the identification of an oxazolidine derivatives 4, 5 cis-5-styryl-2- oxo-oxazolidine-4-carboxylic acid(CDRI 85/92) having good proton pump inhibitory activity. This compound is as potent as omeprazole in in vitro inhibi...

The relative toxicity of different concentrations of temephos and fenthion with petroleum ether root extract of Solanum xanthocarpum (Schrader) at 1:1, 1:2 and 1:4 ratios was evaluated against Anopheles stephensi (Liston) larvae. All combinations exhibited antagonism at concentrations lower than LC50 values and synergism at concentrations higher th...

Gamma glutamate transferase (GGT) is an enzyme implicated in the pathology of liver, biliary system and pancreas. More recently, its elevated level in the serum has been found to be linked with cardiovascular risk factors. GGT has been considered as ‘oxidative stress marker’ associated with glutathione metabolism and possibly an ‘atherogenic marker...

Objective To evaluate the larvicidal activities of different combinations of synthetic nicotinoid insecticide, imidacloprid with an insecticidal plant, Ocimum basilicum (O. basilicum) against malaria vector, Anopheles stephensi, with reference to the impact of most potent combination on some non-targets, Anisops bouvieri (A. bouvieri) and cyclop.Me...

The larvicidal activity of the plant extracts Pseudocalymma alliaceum and Allium sativum were determined against Culex quinquefasciatus. The hexane extract of P. alliaceum and the petroleum ether extract of A. sativum exhibited larvicidal efficacy against Cx. quinquefasciatus larvae. Extracts of P. alliaceum resulted in concentrations that produced...

Fungal metabolites are attracting attention as potential microbial insecticides, and they are anticipated to overcome the problems of pesticide resistance and environmental pollution that are associated with the indiscriminate use of conventional synthetic insecticides. The relative bioefficacies of selected fungal pathogens, Aspergillus flavus, A....

To investigate the impact of the most potent petroleum ether extract of Artemisia annua (A. annua) and Azadirachta indica (Az. indica) on total carbohydrate, lipid and protein level of Anopheles stephensi and Culex quinquefasciatus larvae. Mosquito larvae were exposed to the extracts selected as per standard WHO procedure. Carbohydrate (glucose), t...

The combination activities of temephos, fenthion and petroleum ether extract of Solanum xanthocarpum were observed for their larvicidal activities against Culex quinquefasciatus. The combination of temephos and S. xanthocarpum was studied at ratios of 1:1, 1:2, and 1:4. Similar ratios were also used for the combination of fenthion and S. xanthocarp...

Advances in the application of microbial-based technology in insect pest management assist us to counter problems created by the application of chemical pesticides. These are mainly strong environmental effects, resistance development and high costs. Among the microbial pesticides, fungal pesticides are now preferred as they are target specific, ec...

Malaria control in developing countries is based largely on vector eradication by the use of mosquito larvicides which is an ideal method for controlling mosquito and the related epidemics. On account of ecohazardous nature, nontarget specificity of chemical insecticides and evidences of developing resistance against them in the exposed species, cu...

In view of the recently increased interest in developing plant-based insecticides as an alternative to chemical insecticides, this study was undertaken to assess the larvicidal potential of the various fruit wall extracts of Momordica charantia (cucurbitaceae) against two species of mosquito vectors, Anophels stephensi and Culex quinquefasciatus. A...

In search of a natural larvicide, petroleum ether, carbon tetrachloride, and methanol extracts of Azadirachta indica fruits and seed extracts of bitter gourd (Momordica charantia) and castor (Ricinus communis) were tested for larvicidal activity against Culex quinquefasciatus. Among the extracts tested, the methanol extract of Az. indica was observ...

Efficacy of extracts of Ageratum conyzoides, Argemone mexicana, and Azadirachta indica were tested against Culex quinquefasciatus larvae. Petroleum ether extracts of A. conyzoides and A. mexicana with LC(50) values 425.60 and 267.90 ppm and 140.15 and 137.70 ppm after a period of 24 and 48 h, respectively, were found effective. However, the methano...

The larvicidal effect of the crude carbon tetrachloride, methanol and petroleum ether leaf extracts of a widely grown medicinal plant, Ocimum basilicum, against Anopheles stephensi and Culex quinquefasciatus was evaluated. Petroleum ether extract was found to be the most effective against the larvae of both mosquitoes, with LC50 values of 8.29, 4.5...

Surveillance of anopheline and culicine larvae was conducted fortnightly to determine population composition and density at seven sites in the area of the Mathura Refinery, Mathura, India during 2005–2006. The correlation between population of the vectors and their habitat quality was established. Temperature (0.978 and 0.85°C), pH (0.99 and 0.95),...

Larvicidal potential of petroleum ether, carbon tetrachloride and methanol extracts of Aloe barbadensis and Cannabis sativa has been investigated against Culex quinquefasciatus. Among the extracts examined, Carbon tetrachloride extract (Cte) of Aloe barbadensis was the most effective with LC50 values of 15.31 and 11.01 ppm after 24 and 48 hr of exp...

Mosquitoes are referred as “Public Enemy Number One”, by WHO, 1996, due to the most common and nuisance creating Dipteran vector responsible for transmitting various dreadful diseases. It continues to pose the major public health problems in India as well as in other countries with resurgence of chiefly malaria, encephalitis and dengue fever. Chem...

Anopheles stephensi is the primary vector of malaria, an endemic disease in India. An effort to control An. stephensi larvae by leaf extracts of Aloe barbadensis (Liliaceae) and Cannabis sativa (Moraceae) was made under laboratory conditions. A carbon tetrachloride extract of A. barbadensis was the most effective of all the extracts tested for larv...

The toxicity of seed extracts of three Indian medicinal plants, Azadirachta indica, Momordica charantia and Ricinus communis, was evaluated for their larvicidal efficacy against Anopheles stephensi. The methanol extract of A. indica exhibited potent larvicidal activity with LC50 15.25 and 12.70 ppm and LC90 46.79 and 45.56 ppm after 24 and 48 hrs,...

With a goal of minimal application of environmentally hazardous chemical insecticides, the larvicidal activity of cypermethrin was studied alone and in combination with the root extract of Solanum xanthocarpum against anopheline larvae. Petroleum ether extract was observed to be the most toxic, with LC,, of 1.41 and 0.93 ppm and LC90 of 16.94 and 8...

In a program to identify new anti-ulcer compounds, a series of N-acyl derivatives of alpha-amino acids were screened for their in vitro H(+)/K(+) ATPase inhibitory activity, and in vivo efficacy in Pylorus ligation model. 3D-QSAR studies were carried out and a representative compound 13 was studied for the nature of its proton pump inhibition.

Cypermethrin and crude extracts of Solanum xanthocarpum were both observed for their larvicidal activity against Culex quinquefasciatus. Petroleum ether extract with lethal concentration (LC)50 and LC90 of 41.28 and 111.16 p.p.m. after 24 h and LC50 38.48 and LC90 80.83 p.p.m. after 48 h, respectively, was found to be the most effective, followed b...

Petroleum ether (Pee), carbon tetrachloride (Cte) and methanol extract (Mee) of Artemisia annua, Chenopodium album and Sonchus oleraceus were screened for their efficacy against Culex quinquefasciatus larvae. Pee of A. annua, Mee of A. annua and Ch. album, Cte of A. Annua were found effective in descending order after 24 and 48 hrs of treatment. Pe...

Larvicidal potential of petroleum ether (Pee), carbon tetrachloride (Cte) and methanol extract (Mee) of Artemisia annua, Chenopodium album and Sonchus oleraceus was observed against malaria vector, Anopheles stephensi Liston. The Pee of A. annua with LC50 16.85 ppm after 24 h and 11.45 ppm after 48 h of treatment was found most effective, followed...

Ethanolic and acetone extracts of Nerium indicum and Thuja orientelis have been studied against III instar larvae of Anopheles stephensi and Culex quinquefasciatus. Ethanolic extract of N. indicum is found more effective than its acetone extract against anopheline larvae with LC50 values of 185.99 and 148.05 ppm for former and 229.28 and 149.43 ppm...

Mosquito larvicidal activity of crude carbon-tetra-chloride, methanol and petroleum ether extracts of Solanum xanthocarpum fruits was examined against Anopheles stephensi and Culex quinquefasciatus. Among the extracts tested, carbon-tetra-chloride extract was the most effective with LC50 values of 5.11 ppm after 24 hours and 1.27 ppm after 48 hours...

The objective of the present study is to determine the bioefficacy of different crude extracts of Ajuga remota against anopheline and culicine larvae. Larval susceptibility of crude carbon-tetrachloride, methanol and petroleum-ether extracts of Ajuga remota leaves was observed against the malaria vector, Anopheles stephensi and the filariasis vecto...

CDRI 85/92, an anti-ulcer drug, is a new proton pump inhibitor, currently in an advanced stage of drug development. To know more about the drug it was our objective to delineate/identify the metabolic pathway as well as the enzymes responsible for the formation of metabolites. Metabolism of CDRI-85/92 (cis-5-styryl-2-oxazolidinone-4-carboxylic acid...