1.Biological role of Piper nigrum L. (Black pepper):A review
Ahmad Nisar ; Fazal Hina ; Abbasi Haider Bilal ; Farooq Shahid ; Ali Mohammad ; Khan Ali Mubarak
Asian Pacific Journal of Tropical Biomedicine 2012;(z3):1945-1953
Piper nigrum L. is considered the king of spices throughout the world due to its pungent principle piperine. Peppercorn of Piper nigrum as a whole or its active components are used in most of the food items. Different parts of Piper nigrum including secondary metabolites are also used as drug, preservative, insecticidal and larvicidal control agents. Biologically Piper nigrum is very important specie. The biological role of this specie is explained in different experiments that peppercorn and secondary metabolites of Piper nigrum can be used as Antiapoptotic, Antibacterial, Anti-Colon toxin, Antidepressant, Antifungal, Antidiarrhoeal, Anti-inflammatory, Antimutagenic, Anti-metastatic activity, Antioxidative, Antiriyretic, Antispasmodic, Antispermatogenic, Antitumor, Antithyroid, Ciprofloxacin potentiator, Cold extremities, Gastric ailments, Hepatoprotective, Insecticidal activity, Intermittent fever and Larvisidal activity. Other roles of this specie includes protection against diabetes induced oxidative stress; Piperine protect oxidation of various chemicals, decreased mitochondrial lipid peroxidation, inhibition of aryl hydroxylation, increased bioavailability of vaccine and sparteine, increase the bioavailability of active compounds, delayed elimination of antiepileptic drug, increased orocecal transit time, piperine influenced and activate the biomembrane to absorb variety of active agents, increased serum concentration, reducing mutational events, tumour inhibitory activity, Piperine inhibite mitochondrial oxidative phosphorylation, growth stimulatory activity and chemopreventive effect. This review based on the biological role of Piper nigrum can provide that the peppercorn or other parts can be used as crude drug for various diseases while the secondary metabolites such as piperine can be used for specific diseases.
2.Hepatoprotective and antioxidant activity of rhizome of Podophyllum hexandrum against carbon tetra chloride induced hepatotoxicity in rats.
Showkat Ahmad GANIE ; Bilal Ahmad ZARGAR ; Akbar MASOOD ; Mohammad Afzal ZARGAR
Biomedical and Environmental Sciences 2013;26(3):209-221
OBJECTIVETo test possible antioxidant activity of n-hexane extract of Podophyllum hexandrum under in vitro and in vivo conditions.
METHODSThe in vitro antioxidant activity was evaluated by the ability of the extract to interact with the stable free radical DPPH, Superoxide (O2-), Hydroxyl (OH-), Hydrogen peroxide (H2O2) radicals, and reducing power ability of the extract was also evaluated. Under in vivo conditions the extract was evaluated for its hepatoprotective activity by measuring different biochemical parameters, such as serum alanine aminotransaminase, serum aspartate aminotransaminase and serum lactate dehydrogenase and antioxidant enzymes. Antioxidant status was estimated by determining the activities of antioxidative enzymes, glutathione reductase (GR), glutathione peroxidase (GPx), glutathione-S-transferase (GST) and superoxide dismutase (SOD), and by determining the levels of reduced glutathione (GSH) and thiobarbituric acid reactive substances (TBARS).
RESULTSHexane extract of P. hexandrum exhibited good radical scavenging capacity in neutralization of DPPH, O2-, OH-, and H2O2 radicals in a dose dependent manner. n-hexane extract of Podophyllum hexandrum at the doses of 20, 30, and 50 mg/kg-day produced hepatoprotective effect by decreasing the activity of serum marker enzymes, while it significantly increased the levels of glutathione (GSH), glutathione peroxidase (GPx), glutathione reductase (GR), super oxide dismutase (SOD), and glutathione-S-transferase (GST) in a dose dependant manner. The effect of n-hexane extract was comparable to that of standard antioxidant vitamin E.
CONCLUSIONThe extract of Podophyllum hexandrum possess free radical scavenging activity under in vitro conditions and could protect the liver tissue against CCl(4) induced oxidative stress probably by increasing antioxidant defense activities.
Animals ; Antioxidants ; pharmacology ; Biphenyl Compounds ; metabolism ; Carbon Tetrachloride ; pharmacology ; Glutathione Peroxidase ; metabolism ; Glutathione Reductase ; metabolism ; Lipid Peroxidation ; drug effects ; Liver ; drug effects ; metabolism ; Male ; Oxidation-Reduction ; drug effects ; Oxidative Stress ; drug effects ; Picrates ; metabolism ; Plant Extracts ; pharmacology ; Podophyllum ; chemistry ; Rats ; Rats, Wistar ; Superoxide Dismutase ; metabolism ; Superoxides ; metabolism ; Thiobarbituric Acid Reactive Substances ; metabolism
4.Outcomes of endoscopic retrograde cholangiopancreatography in patients with situs inversus viscerum
Long LE ; Nicholas MCDONALD ; Anders WESTANMO ; Mohammad BILAL ; Dharma SUNJAYA
Clinical Endoscopy 2023;56(6):790-794
Background/Aims:
Situs inversus viscerum (SIV) is a congenital condition defined by left-to-right transposition of all visceral organs. This anatomical variant has caused technical challenges in endoscopic retrograde cholangiopancreatography (ERCP). Data on ERCP in patients with SIV are limited to case reports of unknown clinical and technical success rates. This study aimed to evaluate the clinical and technical success rates of ERCP in patients with SIV.
Methods:
Data from patients with SIV who underwent ERCP were retrospectively reviewed. The data were collected by querying the nationwide Veterans Affairs Health System database for patients diagnosed with SIV who underwent ERCP. Patient demographics and procedural characteristics were collected.
Results:
Eight patients with SIV who underwent ERCP were included. Choledocholithiasis was the most common indication for ERCP (62.5%). The technical success rate was 63%. Subsequent ERCP with interventional radiology–assisted rendezvous has increased the technical success rate to 100%. Clinical success was achieved in 63% of cases. Among cases of subsequent rendezvous ERCP after conventional ERCP failure, clinical success was achieved in 100%.
Conclusions
The clinical and technical success rates of ERCP in patients with SIV were both 63%. In patients with SIV in whom ERCP fails, interventional radiology–assisted rendezvous ERCP can be considered.
5.The Clinical and Metabolic Effects of Intragastric Balloon on Morbid Obesity and Its Related Comorbidities
Joon Hyun CHO ; Mohammad BILAL ; Min Cheol KIM ; Jonah COHEN ;
Clinical Endoscopy 2021;54(1):9-16
Obesity is becoming increasingly prevalent worldwide, and its metabolic sequelae lead to a significant burden on healthcare resources. Options for the management of obesity include lifestyle modification, pharmacological treatment, surgery, and endoscopic bariatric therapies (EBTs). Among these, EBTs are more effective than diet and lifestyle modification and are less invasive than bariatric surgery. In recent years, there have been significant advances in technologies pertaining to EBTs. Of all the available EBTs, there is a significant amount of clinical experience and published data regarding intragastric balloons (IGBs) because of their comparatively long development period. Currently, the United States Food and Drug Administration (FDA) has approved three IGBs, including Orbera (Apollo Endosurgery, Austin, TX, USA), ReShape Duo (ReShape Medical, San Clemente, CA, USA), and Obalon (Obalon Therapeutics, Carlsbad, CA, USA). The aim of this review is to summarize the available literature on the efficacy of IGBs in weight loss and their impact on obesity-related metabolic diseases.
6.Dengue fever treatment with Carica papaya leaves extracts.
Nisar AHMAD ; Hina FAZAL ; Muhammad AYAZ ; Bilal Haider ABBASI ; Ijaz MOHAMMAD ; Lubna FAZAL
Asian Pacific Journal of Tropical Biomedicine 2011;1(4):330-333
The main objective of the current study is to investigate the potential of Carica papaya leaves extracts against Dengue fever in 45 year old patient bitten by carrier mosquitoes. For the treatment of Dengue fever the extract was prepared in water. 25 mL of aqueous extract of C. papaya leaves was administered to patient infected with Dengue fever twice daily i.e. morning and evening for five consecutive days. Before the extract administration the blood samples from patient were analyzed. Platelets count (PLT), White Blood Cells (WBC) and Neutrophils (NEUT) decreased from 176×10(3)/µL, 8.10×10(3)/µL, 84.0% to 55×10(3)/µL, 3.7×10(3)/µL and 46.0%. Subsequently, the blood samples were rechecked after the administration of leaves extract. It was observed that the PLT count increased from 55×10(3)/µL to 168×10(3)/µL, WBC from 3.7×10(3)/µL to 7.7×10(3)/µL and NEUT from 46.0% to 78.3%. From the patient feelings and blood reports it showed that Carica papaya leaves aqueous extract exhibited potential activity against Dengue fever. Furthermore, the different parts of this valuable specie can be further used as a strong natural candidate against viral diseases.
Antiviral Agents
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isolation & purification
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therapeutic use
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Carica
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chemistry
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Dengue
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drug therapy
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Humans
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Leukocyte Count
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Male
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Middle Aged
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Plant Extracts
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isolation & purification
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therapeutic use
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Plant Leaves
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chemistry
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Platelet Count
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Treatment Outcome
7.A Nationwide Assessment of the “July Effect” and Predictors of Post-Endoscopic Retrograde Cholangiopancreatography Sepsis at Urban Teaching Hospitals in the United States
Rupak DESAI ; Upenkumar PATEL ; Shreyans DOSHI ; Dipen ZALAVADIA ; Wardah SIDDIQ ; Hitanshu DAVE ; Mohammad BILAL ; Vikas KHULLAR ; Hemant GOYAL ; Madhav DESAI ; Nihar SHAH
Clinical Endoscopy 2019;52(5):486-496
BACKGROUND/AIMS: To analyze the incidence of post-endoscopic retrograde cholangiopancreatography (ERCP) sepsis in the early (July to September) and later (October to June) academic months to assess the “July effect”. METHODS: The National Inpatient Sample (2010–2014) was used to identify ERCP-related adult hospitalizations at urban teaching hospitals by applying relevant procedure codes from the International Classification of Diseases, 9th revision, Clinical Modification. Post-ERCP outcomes were compared between the early and later academic months. A multivariate analysis was performed to evaluate the odds of post-ERCP sepsis and its predictors. RESULTS: Of 481,193 ERCP procedures carried out at urban teaching hospitals, 124,934 were performed during the early academic months. The demographics were comparable for ERCP procedures performed during the early and later academic months. A higher incidence (9.4% vs. 8.8%, p<0.001) and odds (odds ratio [OR], 1.07) of post-ERCP sepsis were observed in ERCP performed during the early academic months. The in-hospital mortality rate (7% vs. 7.5%, p=0.072), length of stay, and total hospital charges in patients with post-ERCP sepsis were also equivalent between the 2 time points. Pre-ERCP cholangitis (OR, 3.20) and post-ERCP complications such as cholangitis (OR, 6.27), perforation (OR, 3.93), and hemorrhage (OR, 1.42) were significant predictors of higher post-ERCP sepsis in procedures performed during the early academic months. CONCLUSIONS: The July effect was present in the incidence of post-ERCP sepsis, and academic programs should take into consideration the predictors of post-ERCP sepsis to lower health-care burden.
Adult
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Cholangiopancreatography, Endoscopic Retrograde
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Cholangitis
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Demography
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Hemorrhage
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Hospital Charges
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Hospital Mortality
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Hospitalization
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Hospitals, Teaching
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Humans
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Incidence
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Inpatients
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International Classification of Diseases
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Length of Stay
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Mortality
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Multivariate Analysis
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Pancreatitis
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Sepsis
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United States
8.Seasonal Impacts on the Incidence of Esophageal Variceal Hemorrhage: A Nationwide Analysis across a Decade
Mohamed Tausif SIDDIQUI ; Mohammad BILAL ; Khwaja Fahad HAQ ; Christopher NABORS ; Beth SCHORR-LESNICK ; David C. WOLF
Clinical Endoscopy 2020;53(2):189-195
Background/Aims:
Seasonal variation has previously been reported in relation to the incidence of non-variceal upper gastrointestinal bleeding; however, the impact of seasonal variation on variceal bleeding is not known.
Methods:
We conducted a cross-sectional study using the Nationwide Inpatient Sample database from 2005 to 2014. International Classification of Diseases, Clinical Modification- 9th Revision codes were used to identify patients hospitalized with a primary or secondary diagnosis of esophageal variceal hemorrhage. The data were analyzed based on the month of hospitalization. Our primary aim was to assess seasonal variations in variceal bleeding-related hospitalizations. The secondary aims were to assess the impact of seasonal variation on outcomes in variceal bleeding including in-hospital mortality and healthcare resource utilization.
Results:
A total of 348,958 patients hospitalized with esophageal variceal bleeding were included. The highest number of hospitalizations was reported in December (99.3/day) and the lowest was reported in June (90.8/day). In-hospital mortality was highest in January (11.5%) and lowest in June (9.8%). There was no significant difference in hospital length of stay or total hospitalization costs across all months in all years combined.
Conclusions
There appears to be a seasonal variation in the incidence and mortality of variceal hemorrhage in the United States. December was the month with the highest number of daily hospitalizations while the nadir occurred in June.