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Dr. Paresh  Shah  Dmd image

Dr. Paresh Shah Dmd

9 Boehm Dr
Parlin NJ 08859
201 476-6778
Medical School: Other - Unknown
Accepts Medicare: No
Participates In eRX: No
Participates In PQRS: No
Participates In EHR: No
License #: 22DI02314300
NPI: 1073703419
Taxonomy Codes:
122300000X

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Publications

Higher levels of dengue-virus-specific IgG and IgA during pre-defervescence associated with primary dengue hemorrhagic fever. - Archives of virology
Dengue hemorrhagic fever (DHF), although predominantly associated with secondary infections, has also been reported in primary infections. An enhanced immune response including antibodies and cytokines is implicated in the pathogenesis of secondary DHF. However, the factors operating in primary DHF are poorly understood. To understand the role of the antibody response, the relative levels of different antibody isotypes during the acute phase of infection in primary and secondary dengue infections were determined. Levels of DENV-specific IgM, IgG, IgA and IgE were measured in the serum samples of 200 dengue patients and 20 dengue-naïve individuals. Samples were collected within 15 days of onset of illness. The DENV-specific IgM levels were significantly higher in DF cases compared to DHF, which was more evident in secondary infections and in post-defervescence samples. The levels of IgG, IgA and IgE were higher in DHF cases, with greater significance in primary infections. A higher level of IgG in DHF cases was evident in pre-defervescence samples, whilst the IgE level was higher in pre- and post-defervescence samples. There was a significant correlation of IgG titres with platelet counts, with higher titres associated with lower platelet counts. It is speculated that IgG, IgA and IgE produced in response to primary infections may contribute to pathogenesis, whilst IgM produced in response to secondary infections may protect against progression to severe disease.
Persistence and risk assessment of spiromesifen on tomato in India: a multilocational study. - Environmental monitoring and assessment
Supervised field trials were conducted at four different agro-climatic locations of India to evaluate the dissipation pattern and risk assessment of spiromesifen on tomato. Spiromesifen 240 SC was sprayed on tomato at 150 and 300 g a.i. ha(-1). Samples of tomato fruits were drawn at 0, 1, 3, 5, 7, 10 and 15 days after treatment and soil at 15 days after treatment. Quantification of residues was done on gas chromatograph-mass spectrophotometer in selective ion monitoring mode in the mass range of 271-274 (m/z). The limit of quantification of the method was found to be 0.05 mg kg(-1), while the limit of determination was 0.015 mg kg(-1). Residues were found below the LOQ of 0.05 mg kg(-1) in 10 days at both the doses of application at all the locations. Spiromesifen dissipated with a half-life of 0.93-1.38 days at the recommended rate of application and 1.04-1.34 days at the double the rate of application. Residues of spiromesifen in soil were detectable level (<0.05 mg kg(-1)) after 15 days of treatment. A preharvest interval (PHI) of 1 day has been recommended on tomato on the basis of data generated under All India Network Project on Pesticide Residues. Spiromesifen 240 SC has been registered for its use on tomato by Central Insecticide Board and Registration Committee, Ministry of Agriculture, Government of India. The maximum residue limit (MRL) of spiromesifen on tomato has been fixed by Food Safety Standard Authority of India, Ministry of Health and Family Welfare, Government of India as 0.3 μg/g after its risk assessment.
Carcinoid abdominal crisis: a case report. - Journal of surgical oncology
Over the past 40 years, the incidence of neuroendocrine tumors (NETs) has been increasing. Distal small bowel (i.e., midgut) NETs most often cause carcinoid syndrome manifested as cutaneous flushing, diarrhea, bronchial constriction, and cardiac involvement. Carcinoid abdominal crisis occurs when submucosal tumors impede the vascular supply to the gut leading to mesenteric ischemia and worsening abdominal pain. Here, we report the case of a young woman with progressively worsening abdominal pain.© 2014 Wiley Periodicals, Inc.
A comprehensive process for disclosing and managing conflicts of interest on perceived bias at the SAGES annual meeting. - Surgical endoscopy
The relationship between the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) and its industry partners has been longstanding, productive technologically, and beneficial to patient care and education. In order to both maintain this important relationship to honor its responsibility to society for increasing transparency, SAGES established a Conflict of Interest Task Force (CITF) and charged it with identifying and managing potential conflicts of interest (COI) and limiting bias at the SAGES Annual Scientific Meetings. The CITF developed and implemented a comprehensive process for reporting, evaluating, and managing COI in accordance with (and exceeding) Accreditation Council for Continuing Medical Education guidelines.From 2011 to 2013, all presenters, moderators, and session chairs received proactive and progressively increasing levels of education regarding the CITF rationale and processes and were required to disclose all relationships with commercial interests. Disclosures were reviewed and discussed by multiple layers of reviewers, including moderators, chairs, and CITF committee members with tiered, prescribed actions in a standardized, uniform fashion. Meeting attendees were surveyed anonymously after the annual meeting regarding perceived bias. The CITF database was then analyzed and compared to the reports of perceived bias to determine whether the implementation of this comprehensive process had been effective.In 2011, 68 of 484 presenters (14 %) disclosed relationships with commercial interests. In 2012, 173 of 523 presenters (33.5 %) disclosed relationships, with 49 having prior review (9.4 %), and eight required alteration. In 2013, 190 of 454 presenters disclosed relationships (41.9 %), with 93 presentations receiving prior review (20.4 %), and 20 presentations were altered. From 2008 to 2010, the perceived bias among attendees surveyed was 4.7, 6.2, and 4.4 %; and in 2011-2013, was 2.2, 1.2, and 1.5 %.It is possible to have a surgical meeting that includes participation of speakers that have industry relationships, and minimize perceived bias.
Response to glucose tolerance testing and solid high carbohydrate challenge: comparison between Roux-en-Y gastric bypass, vertical sleeve gastrectomy, and duodenal switch. - Surgical endoscopy
Hyperinsulinemic hypoglycemia is common after Roux-en-Y gastric bypass (RYGB) and may result in weight regain. The purpose of our investigation was to compare the effect of RYGB, vertical sleeve gastrectomy (VSG), and duodenal switch (DS) on insulin and glucose response to carbohydrate challenge.Patients meeting National Institutes of Health criteria for bariatric surgery selected their bariatric procedure after evaluation and education in this prospective nonrandomized study. Preoperatively and at 6, 9, and 12 months' follow-up, patients underwent blood draw to determine levels of fasting glucose, fasting insulin, glycated hemoglobin (HbA1c), C-peptide, and 2-h oral glucose challenge test. Homoeostatic Model Assessment (HOMA)-IR, fasting to 1-h and 1- to 2-h ratios of glucose and insulin, were calculated. Statistical analysis was performed using ANOVA and Student's paired t test. All procedures were performed via a laparoscopic technique at a single institution.Data from a total of 38 patients (13 RYGB, 12 VSG, 13 DS) were available for analysis. At baseline, all groups were similar; the only statistically significant difference was that DS patients had a higher preoperative weight and body mass index (BMI). All operations caused weight loss (BMI 47.7 ± 10-30.7 ± 6.4 kg/m(2) in RYGB; 45.7 ± 8.5-31.1 ± 5.5 kg/m(2) in VSG; 55.9 ± 11.4-27.5 ± 5.6 kg/m(2) in DS), reduction of fasting glucose, and improved insulin sensitivity. RYGB patients had a rapid rise in glucose with an accompanying rise in 1-h insulin to a level that exceeded preoperative levels. This was followed by a rapid decrease in glucose level. In comparison, DS patients had a lower increase in glucose and 1-h insulin, and the lowest HbA1c. These differences were statistically significant at various data points. For VSG, the results were intermediary.Compared to gastric bypass, DS results in greater weight loss and improves insulin sensitivity and glucose homeostasis without causing a hyperinsulinemic response. Because the response to challenge after VSG is intermediary, pyloric preservation alone cannot account for this difference.
Association of promoter region polymorphisms of CD209 gene with clinical outcomes of dengue virus infection in Western India. - Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases
Dendritic cell specific intercellular adhesion molecule 3 grabbing non-integrin, coded by the CD209 gene, acts as an entry receptor for dengue virus. Polymorphisms in the promoter region of CD209 gene (rs735239, rs4804803, rs2287886) were investigated in 112 hospitalized cases of dengue (DEN) and 104 healthy controls to find out whether they are associated with dengue in a Western Indian population. Results revealed a significantly higher frequency of 'G' allele and 'G/G' genotype of rs2287886 and A-A-G haplotype of CD209 gene in DEN compared to healthy controls [For 'G/G' genotype, P=0.0072, Odds ratio (OR) 2.43; For A-A-G haplotype, P=0.0033, OR 2]. The frequency of A/A genotype of rs735239 was higher in DEN cases with thrombocytopenia compared to cases without thrombocytopenia (P=0.026). The results suggest that rs2287886 G/G genotype of CD209 gene is associated with development of dengue requiring hospitalization while A/A genotype of rs735239 is associated with thrombocytopenia in dengue cases.Copyright © 2013 Elsevier B.V. All rights reserved.
Comparison between RYGB, DS, and VSG effect on glucose homeostasis. - Obesity surgery
Our group has reported a high incidence of reactive hypoglycemia following Roux-en-Y gastric bypass (RYGB) with specific interest in postprandial insulin and the ratio of 1- to 2-h serum glucose levels. The purpose of this study is to compare the 6-month response to oral glucose challenge in patients undergoing RYGB, duodenal switch (DS), and vertical sleeve gastrectomy (VSG).Thirty-eight patients meeting the NIH criteria for bariatric surgery who have reached the 6-month postoperative mark are the basis of this report. Preoperatively and at 6 months follow-up, patients underwent blood draw to determine levels of fasting glucose, fasting insulin, HbA1c, C peptide, and 2 h oral liquid glucose challenge test (OGTT). HOMA-IR and 1 to 2 h ratios of glucose and fasting to 1 h ratio of insulin were calculated.All patients underwent a successful laparoscopic bariatric procedure (VSG =13, DS =13, and RYGB = 12). All operations reduced BMI, HgbA1c, fasting glucose, and fasting insulin. HOMA IR and glucose tolerance improved with all procedures. In response to OGTT at 6 months, there was a 20-fold increase in insulin at 1 h in RYGB, which was not seen in DS. At 6 months, 1-h insulin was markedly lower in DS (p < .05), yet HbA1C was also lower in DS (p < .05). This resulted in 1- to 2-h glucose ratio of 1.9 for RYGB, 1.8 for VSG, and 1.3 for DS (p < .05).All operations improve insulin sensitivity and decrease HgbA1c. Six-month weight loss was substantial in all groups between 22-29% excess body weight. RYGB results in marked rise in glucose following challenge with corresponding rise in 1-h insulin. VSG has a similar response to RYGB. In comparison, at 6 months following surgery, DS causes a much lower rise in 1-h insulin, with this difference being statistically significant at p < .05. As a result, DS results in a less abrupt reduction in blood glucose. Although 1-h insulin is lower, DS patients had the lowest HbA1C at 6 months (p < .05). We believe that these findings have important implications for the choice of bariatric procedure for both diabetic and non-diabetic patients.
Elevated levels of vitamin D and deficiency of mannose binding lectin in dengue hemorrhagic fever. - Virology journal
Altered plasma concentrations of vitamin D and mannose binding lectin (MBL), components of innate immunity, have been shown to be associated with the pathogenesis of viral infections. The objective of the present study was to find out whether plasma concentrations of MBL and vitamin D are different in patients with dengue fever (DF) and dengue hemorrhagic fever (DHF).The plasma concentrations of vitamin D and MBL were assessed in 48 DF cases, 45 DHF cases and 20 apparently healthy controls using ELISA based methods. Vitamin D concentrations were found to be higher among both DF and DHF cases as compared to healthy controls (P < 0.005 and P < 0.001). Vitamin D concentrations were not different between DF and DHF cases. When the dengue cases were classified into primary and secondary infections, secondary DHF cases had significantly higher concentrations of vitamin D as compared to secondary DF cases (P < 0.050). MBL concentrations were not significantly different between healthy controls and dengue cases. MBL concentrations were observed to be lower in DHF cases as compared to DF cases (P < 0.050). Although MBL levels were not different DF and DHF cases based on immune status, the percentage of primary DHF cases (50%) having MBL levels lower than 500 ng/ml were less compared to primary DF cases (P = 0.038).The present study suggests that higher concentrations of vitamin D might be associated with secondary DHF while deficiency of MBL may be associated with primary DHF.
Abnormal glucose tolerance testing after gastric bypass. - Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery
Symptoms secondary to dumping have been suggested to help patients refrain from simple carbohydrate ingestion after Roux-en-Y gastric bypass (RYGB). During follow-up examinations, we noted many patients with weight regain complaining of fatigue shortly after eating. Thus, we decided to study the glucose tolerance test (GTT) results in a cohort of post-RYGB patients.A total of 63 RYGB patients, >6 months postoperatively, were studied with a GTT and measurement of insulin levels. The mean age was 48.5 ± 10.8 years, mean preoperative body mass index was 49.0 ± 6.5 kg/m(2), mean percentage of excess body mass index lost was 64.5% ± 29.0%, mean weight regain at follow-up was 11.6 ± 12.4 lb, and mean follow-up period was 47.9 months.Of the 63 patients, 49 had abnormal GTT results. Of the 63 patients, 6 were diabetic; however, only 1 of these patients had an elevated fasting glucose level. All 6 patients were diabetic preoperatively. Of the 63 patients, 43 had evidence of reactive hypoglycemia at 1-2 hours after the glucose load. Of these patients, 22 had a maximum/minimum glucose ratio >3:1, including 7 with a ratio >4:1.The results of the present study have demonstrated that an abnormal GTT result is a common finding after RYGB. Reactive hypoglycemia was found in 43 of 63 patients, with insulin values that do not support nesidioblastosis. It is our hypothesis, that rather than preventing simple carbohydrate ingestion, the induced hypoglycemia that occurs might contribute to weight regain and maladaptive eating in certain post-RYGB patients.Copyright © 2013 American Society for Metabolic and Bariatric Surgery. Published by Elsevier Inc. All rights reserved.
Insights into the internalization and retrograde trafficking of Dengue 2 virus in BHK-21 cells. - PloS one
Dengue virus (DENV) enters cells via endocytosis, traffics to perinuclear (PN) region, the site of morphogenesis and exits by exocytosis. This study aims to understand the role of dynamin II, endosomes, microtubules (MT) and dynein in the early events of DENV replication.Using double immunoflourescence labelling of DENV-2 infected BHK-21 cells it was observed that the surface envelope (E) protein of the virion associated with dynamin II from 0-30 min post infection (p.i.). The sphincter like array of dynamin II supported its pinchase-like activity. The association with endosomes was observed from 0 min at cell periphery to 30 min in the perinuclear (PN) region, suggesting that internalization continued for 30 min. Association of E protein with alpha-tubulin was observed from 8 h indicating that it was the newly translated protein that trafficked on the MT. Dynein was found to associate with the E protein from 4 h in the cytoplasm to 48 h in the PN region and dissociate at 72 h. Association of E protein with dynein was confirmed by immunoprecipitation. Overexpression of dynamitin, which disrupts the dynein complex, resulted in loss of trafficking of viral E and core proteins. The findings corroborated with the growth kinetics assessed by quantitation of viral RNA in infected BHK-21 cells. The detection of E protein at 4 h-8 h correlated with detectable increase in viral RNA from 8 h. The detection of high concentrations of E protein in the PN region at 24-48 h coincided with release of virus into the supernatant starting from 36 h p.i. The dissociation of dynein from E protein by 72 h was coincident with maximum release of virus, hinting at a possible negative feedback for viral protein translation.The study shows for the first time the association of dynamin II with DENV-2 during entry and dynein dependent retrograde trafficking of DENV proteins on microtubules.

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