Publications by authors named "KANWAR K"

Importance: Besides race, little is known about how other social determinants of health (SDOH) affect quality of diabetic eye care.

Objective: To evaluate the association between multiple SDOH and monitoring for diabetic retinopathy (DR) in accordance with clinical practice guidelines (CPGs).

Design, Setting, And Participants: This cohort study was conducted in 11 US medical centers and included adult patients (18-75 years old) with diabetes.

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Article Synopsis
  • The study aimed to identify predictors of treatment success after increasing the dose of adalimumab in patients with noninfectious uveitis, particularly focusing on the role of anti-adalimumab antibodies.
  • A retrospective analysis was conducted comparing treatment outcomes between patients with low to intermediate levels of these antibodies and those who didn't undergo testing, finding that the former had a significantly higher success rate.
  • Key results highlighted that patients with panuveitis had lower treatment success rates compared to those with anterior uveitis, emphasizing the importance of antibody testing in treatment planning.
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Inflammatory bowel disease (IBD) is a spectrum of diseases characterized by the interplay of the aberrant immune system, genetic factors, environmental factors, and intestinal microbiota, resulting in relapsing inflammation of the gastrointestinal tract. Underlying pro-inflammatory state and immune dysregulation act as a catalyst for increasing the likelihood of developing extraintestinal manifestations, including cardiovascular diseases (CVD) like atherosclerosis, pericarditis, myocarditis, venous and arterial thromboembolism, arrhythmias, despite a lower prevalence of classic CVD risk factors, like high body mass index or dyslipidemia compared to the general population. Chronic inflammation damages endothelium resulting in the recruitment of inflammatory cells, which induce cytotoxicity, lipoprotein oxidation, and matrix degradation, which increases the risk of atherosclerosis.

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Alginate is a major extra polymeric substance in the biofilm formed by mucoid Pseudomonas aeruginosa. It is the main proven perpetrator of lung infections in patients suffering from cystic fibrosis. Alginate lyases are very important in the treatment of cystic fibrosis.

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Article Synopsis
  • The research included a review of 42 patients' medical charts, revealing that 93% exhibited eye problems, with issues like optic nerve/chorioretinal colobomas being the most common.
  • The study noted variability in eye conditions with no clear link to specific genetic variants, highlighting the need for more research to understand these associations better.
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Purpose: To investigate the association between visual impairment and employment status due to disability, utilizing data from the 2022 National Health Interview Survey (NHIS).

Methods: Adults 18 years of age and older were extracted from the 2022 NHIS dataset. A multivariable logistic regression model was created to evaluate the odds of unemployment ("laid off" and "looking for work").

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The golf swing has been associated with mechanical injury risk factors at many joints. One swing, the Minimalist Golf Swing, was hypothesised to reduce lumbar spine, lead hip, and lead knee ranges of motion and peak net joint moments, while affecting swing performance, compared to golfers' existing swings. Existing and MGS swings of 15 golfers with handicaps ranging from +2 to -20 were compared.

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Background: SARS-CoV-2 has been implicated in the largest recorded coronavirus outbreak to date. Initially, most COVID-19 cases were in China, but the virus has spread to more than 184 countries worldwide, and the United States currently has more cases than any other country.

Objective: With person-to-person spread expanding in the United States, we describe hospital preparedness for managing suspected and confirmed COVID-19 patients.

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Ascorbyl palmitate was synthesized using a Celite-immobilized commercial lipase (Lipolase 100L) in dimethylsulfoxide (DMSO) as an organic solvent system. Lipase immobilized by surface adsorption onto Celite 545 matrix and subsequently exposed to 1 % glutaraldehyde showed 75 % binding of protein. The Celite-bound lipase was optimally active at 75 °C and pH 8.

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Three different regeneration systems, viz. direct regeneration of adventitious shoot buds from explant, regeneration through callus cultures and somatic embryos were compared to see their effect on transfer of neomycin phosphotransferase (nptII) and beta-glucuronidase (GUS) reporter gene (gus) to Morus alba clone M5, through Agrobacterium tumefaciens mediated transformation. Pre-conditioning and co-cultivation durations had a marked effect on transformation frequency.

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Transgenic Robinia pseudoacacia plants were obtained by Agrobacterium tumefaciens mediated gene transfer. Agrobacterium strain LBA4404 harbouring a binary vector that contained the chimeric neomycin phosphotransferase II (NPTII) and beta-glucuronidase (GUS) genes was co-cultivated with hypocotyl segments of in vitro raised seedlings of Robinia. Parameters important for high efficiency regeneration and transformation rates included type of explant, pre-conditioning of explants and appropriate length of co-cultivation period with Agrobacterium.

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Callus was derived from cultured cotyledons on MS medium supplemented with 2,4-D (0.25 mg/l) and NAA (0.25 mg/l).

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Aim: To assess the protective efficacy of vitamin E to counteract the reactive oxygen species (ROS) mediated damage on sperm motility, viability and lipid peroxidation.

Methods: Human semen samples were obtained from the local hospital. The split seminal fractions freed of seminal plasma were reconstituted in Ringer-Tyrode and subjected to varied vitamin E concentrations (0.

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Correlation between human spermatozoal motility and lipid peroxidation is worked out following their suspension in native seminal plasma and in Biggers, Whitten and Whittengham (BWW) medium. Spermatozoa suspended in BWW showed higher motility and lesser degree of lipid peroxidation than those suspended in seminal plasma. Further, higher activities of antioxidant enzymes are recorded in the BWW suspended spermatozoa vis a vis those suspended in native seminal plasma.

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Background: Electronic tools with substantial educational applications are now widely available.

Methods: In a prospective, randomized study, the value of Web-based educational tools for teaching second-year medical students was evaluated. The 35-hour, image-intensive multifaculty neoplasia course was selected for the experiment, with 103 students assigned to the control group (C) and 61 to the experimental group (E).

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Human spermatozoal motility, viability and lipid peroxidation (LPO) have been assessed in Ringer-Tyrode supplemented with different concentrations of ascorbic acid (AA) ranging from 50 to 4000 microM. Ascorbic acid in concentrations below 1000 microM protects spermatozoa from free radical damage as evidenced from improvement in their motility and viability. Concomitantly, there is also witnessed depletion of malondialdehyde generation (an end product of LPO) following AA treatment.

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Hematological fluctuations following large alcohol oral administration (2 mL per animal per day) in rats were monitored at intervals ranging from 10 to 22 weeks and the findings were compared to those in control animals that were fed sucrose isocalorically. Following alcohol ingestion, there was a significant decrease in the total blood cellularity at all treatment intervals. A fall in the erythrocyte count per millimeter3 was accompanied by decreased hematocrit values and hemoglobin levels in the alcohol-treated animals.

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The radioprotective effect of venoruton [O-(beta-hydroxyethyl)-rutoside] has been assessed in the hematological profile of Swiss albino male rats subjected to a single dose of 300 rads whole body gamma radiation. The results showed that the severity of the radiation-induced abnormalities in the red and white blood cells is significantly lessened by venoruton administered prior to radiation exposure.

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Efficacy of Venoruton--O-(hydroxyethyl) Rutoside--as a radioprotector has been tested on haematological profile of rats which were subjected to whole body radiation (500 rads). The results show radiation induced lesions in respect of total (TLC) and differential leukocyte counts (DLC)/and haemoglobin are significantly lessened when Venoruton was administered prior to radiation exposure.

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The phospholipid composition, distribution and metabolism in mono drug resistant mutants towards antitubercular drugs, viz, streptomycin, ethambutol and isoniazid, were investigated. Though their total phospholipid content was not altered significantly, changes were observed in their individual phospholipid content. Reduced biosynthesis and degradation of phospholipids (monitored by pulse and chase technique using [32P]orthophosphoric acid as a precursor) was observed in all the mutants studied.

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The presence of insulin-saturable binding sites in the rat testis have been demonstrated. Employing radioreceptor assay (RRA), the characteristics of insulin binding in both liver and testis of the normal (control) rats have been studied. Crude receptor binding at 37 degrees C after 18-20 hrs of incubation in Tris-HCl buffer at pH-7.

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Haematological lesions (viz. total leukocyte count, differential leukocyte count, RBC count, haematocrit value) have been studied in both adults and freshly weaned rat pups following heavy oral (50 mg/kg b.wt.

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Alterations in the levels of selected enzymes have been studied in the liver, kidney and brain of mouse following mercuric chloride (1 mg/Kg body wt./d) administration for 10, 20 and 30 d. The activity of acid phosphatase increased in all the tissues, the highest increase was recorded in the kidneys which showed as much as 4.

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Peak 203Hg levels in the liver, kidney, spleen, lungs and the heart of mouse following a single intraperitoneal administration, fell exponentially. Half-clearance time of 203Hg is the longest in the kidney (50 hr) followed by the liver (38 hr), spleen (25 hr) and the heart and lungs (16 hr).

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