scholarly journals No Association was Detected between Polymorphism of COL1A2 Genes and Occurrence of Dental Fluorosis Among the Subjects Living in a Fluorosis-Endemic Area of India

Author(s):  
Mohammed S Mustak ◽  
Chitta Chowdhury ◽  
Shahnawaz Khijmatgar ◽  
Mohammed S Mustak ◽  
Avidyuti Chowdhury ◽  
...  

Objective: To determine any genetic association of COL1A2 polymorphism and the occurrence of dental fluorosis within an Indian human dental fluorosis population. Material and Methods: Fifty-six (56) subjects from two groups i.e. cases with dental fluorosis from the Pavagada population (n=29) and a control group (n=27) without fluorosis, were explored. The ages ranged between 15 and 76 years (mean 50.8 years) were included, and the male to female ratio was 70:30. The severity of dental fluorosis was graded using WHO’s Thylstrup-Fejerskov index (TF), and the concentration of fluoride was determined by a fluoride ion selective electrode (ISE). Genomic DNA was extracted using the standard phenol-chloroform method. The rs412777 and rs414408 polymorphism in COL1A2 were genotyped using the Sanger sequence method. Results: Genotype distributions for rs412777 within each group were: AA 41%, AC 51%, and CC 7% for dental fluorosis participants, and AA 56%, AC 46%, and CC 0% for the control participants. Conclusions: The rs412777 and rs414408 polymorphisms in the COL1A2gene showed no significant association between COL1A2 and the occurrence of dental fluorosis amongst this Indian population.

1993 ◽  
Vol 4 (2) ◽  
pp. 89-94 ◽  
Author(s):  
G St-Germain ◽  
G Murray ◽  
R Duperval

Twenty-three cases of blastomycosis were reported in a survey conducted in the province of Quebec from 1981–90. Thirteen patients resided south of the St Lawrence River and the other 10, north. Two small geographical clusters were apparent in and around the cities of Sherbrooke and Quebec. The male to female ratio was 1.6:1 and the median age was 47 years (range 26 to 77). Lung involvement was observed in 19 cases and was the only site involved in 11. Cutaneous manifestations were reported in 11 cases while bone infection (three cases) and central nervous system (CNS) infections were also noted. Diagnosis was confirmed by culture in 21 cases and by histopathology in two cases. Of the 21 culture-positive cases, 12 strains ofBlastomyces dermatitidiswere isolated from lungs, nine from skin, and one each from bone and brain. Serodiagnostic tests by immunodiffusion or complement fixation were positive for only one of the 10 patients known to have been tested. Ten patients were treated with amphotericin B, 11 with ketoconazole, one with fluconazole and eight underwent surgery. While amphotericin B was used in eight of the 10 earliest treated cases, ketoconazole was administered in 10 of the 13 more recent cases. Of the patients for whom follow-up data have been obtained, 21 are reported cured (one of whom was not treated) and one patient died of another cause. This survey confirms that blastomycosis is a rare disease in this endemic area and that patterns of therapy are changing.


2020 ◽  
Author(s):  
Mohammad Naghi Tahmasebi ◽  
Arash Sharafat Vaziri ◽  
Fardis Vosoughi ◽  
Mohamad Tahami ◽  
Majid Khalilizad ◽  
...  

Abstract Background: Utilizing intrawound vancomycin powder in TKA surgery has yielded rather contrasting results in the current literature. Furthermore, CDC criteria, although effective in general, are not specifically designed for post-TKA infections. Here, we present a 7-year experience of vancomycin use in primary TKA in a high-volume tertiary knee center in Iran. Also, new criteria are proposed to detect suspected superficial post-TKA infections. Methods: This is a retrospective analysis of primary total knee arthroplasties performed in a tertiary knee center, from March 2007 to December 2018, by a single senior knee surgeon. All patients with follow-up periods of less than one year were excluded from the study. Since March 2011, all patient received vancomycin (powder, 1gr) before water-tight closure of the joint capsule. Comparison was made between this group and historical control subjects (operated from March 2007 to March 2011). Results: Altogether, 2024 patients were included in the study. The vancomycin and the control group included 1710 and 314 cases respectively. Patients were mostly women (male to female ratio: 1 to 4), with a mean age of 65.20 (SD=10.83) years. In the vancomycin group, the rate of suspected SII (1.87%) and PJI (0.41%) was significantly lower than the control group (P= 0.002). Conclusions: Our experience shows that by utilizing intrawound vancomycin as a routine practice along with other measures, we were able to reach relatively low rates of deep post-TKA infections. Howbeit, randomized controlled trials are required to clarify the effect of intrawound vancomycin on post-TKA infection rate.


Blood ◽  
2009 ◽  
Vol 114 (22) ◽  
pp. 4393-4393
Author(s):  
Dennis P. O'Malley ◽  
Christina Giudice ◽  
Averee S Chang ◽  
Dorothy Chang ◽  
Todd S Barry ◽  
...  

Abstract Abstract 4393 INTRODUCTION Chronic lymphocytic leukemia (CLL) is a commonly encountered hematologic neoplasm. Evaluation of prognosis in CLL is strongly based on genetic findings and the most commonly used studies are classical cytogenetics and targeted interphase fluorescence in situ hybridization (FISH). High resolution array comparative genomic hybridization (aCGH) is a relatively new and robust method of evaluating chromosomal alterations over the entire genome. We compared aCGH with routine cytogenetics and FISH in detecting genetic alterations in newly-diagnosed CLL cases. MATERIALS AND METHODS aCGH testing was performed on 55 cases of CLL in addition to a standard panel of FISH probes (ATM on 11q22, trisomy 12, 13q14, p53 on 17p13 using a standard cutoff for positivity of 10%). These results were compared to a control group of 100 CLL cases upon which routine cytogenetics and FISH were performed. The frequency of detecting abnormalities was compared between the groups and discordant results between methodologies were compared. RESULTS In the control group (n=100), the mean age was 71 (52-86) with a male to female ratio of 1.6:1. Genetic abnormalities were detected by classical cytogenetics in 19% (19/100) of cases as compared to FISH which detected abnormalities in 66% (66/100) of cases (Table 1). An additional group of 55 CLL cases [male to female ratio of 2.2:1 and a mean age of 71 (52-90)] was analyzed by both aCGH and FISH. This additional group of CLL cases showed a similar frequency of genetic abnormalities by FISH (60%; 27/45). In contrast to FISH, aCGH detected genetic abnormalities in 82% (45/55) of CLL cases (Table 1). aCGH identified genetic abnormalities not detected by FISH studies in 16% (7/45) of cases whereas FISH identified abnormalities not detected by aCGH in only 7% (3/45) of cases. Rare recurring genetic alterations were detected by aCGH, which would not have been detected by a standard FISH panel, and included losses in 6q, 8p, 10q, 14q32, and 18q, and gains in 10q. DISCUSSION Classical cytogenetics is often performed in cases of CLL, but is not particularly useful as CLL cells are often difficult to grow in culture and because of the low rate of detecting common genetic alterations. Our findings suggest that aCGH is an effective and robust technique for evaluating recurring genetic abnormalities in CLL and is better than classical cytogenetics and standard FISH in detecting common genetic abnormalities in CLL. Disclosures: No relevant conflicts of interest to declare.


1984 ◽  
Vol 145 (2) ◽  
pp. 136-138 ◽  
Author(s):  
Judith Heron ◽  
Rachel Leheup

SummarySixteen consecutive patients with anorexia nervosa were studied and compared with a control group of other patients coming to an adolescent service, matched for sex and admission status. The anorexic group were not significantly different from the controls in social class and I.Q., and had a male-to-female ratio of one to four. However, they were significantly more likely to have perfectionistic personality traits and to profess to be happy with their families; these families had few external stresses, were very close, and had a high degree of exclusivity.


2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Mohammad Naghi Tahmasebi ◽  
Arash Sharafat Vaziri ◽  
Fardis Vosoughi ◽  
Mohamad Tahami ◽  
Majid Khalilizad ◽  
...  

Abstract Background Utilizing intrawound vancomycin powder in TKA surgery has yielded rather contrasting results in the current literature. Furthermore, CDC criteria, although effective in general, are not specifically designed for post-TKA infections. Here, we present a 7-year experience of vancomycin use in primary TKA in a high-volume tertiary knee center in Iran. Also, new criteria are proposed to detect suspected superficial post-TKA infections. Methods This is a retrospective analysis of primary total knee arthroplasties performed in a tertiary knee center, from March 2007 to December 2018, by a single senior knee surgeon. All patients with follow-up periods of less than 1 year were excluded from the study. Since March 2011, all patients received vancomycin (powder, 1 g) before water-tight closure of the joint capsule. A comparison was made between this group and historical control subjects (operated from March 2007 to March 2011). Results Altogether, 2024 patients were included in the study. The vancomycin and the control groups included 1710 and 314 cases respectively. Patients were mostly women (male to female ratio, 1 to 4), with a mean age of 65.20 (SD = 10.83) years. In the vancomycin group, the rate of suspected SII (1.87%) and PJI (0.41%) was significantly lower than the control group (P = 0.002). Conclusions Our experience shows that application of local vancomycin during TKA surgery could be a reasonable infection prevention measure, although prospective randomized studies are required to evaluate its efficacy.


2013 ◽  
Vol 51 (1) ◽  
pp. 54-60
Author(s):  
A. Janovic ◽  
S. Antic ◽  
Z. Rakocevic ◽  
M. Djuric

Background: Developmental disturbances of the paranasal sinuses are proposed as the cause of osteoma. We examined whether such disturbances may result in the frequent presence of anatomical variations of the paranasal sinuses in patients with osteoma. Methodology/principal: The study was performed retrospectively on 2,820 patients subjected to CT examination during 2005 - 2011. Demographic and CT characteristics of osteoma, and associated pathological findings were evaluated for 104 patients with diagnosed osteoma. The presence of anatomical variations was assessed for 51 osteoma patients with a complete medical history, and for 1,233 patients from a control group. Results: The prevalence of osteomas was found to be 3.69%, with male to female ratio 1.08:1. The frontal sinus was most commonly affected. The presence of anatomical variations was more frequent in patients with osteoma than in controls, with significant differences confirmed for the sphenomaxillary plate, infraorbital cell, and crista galli pneumatization. Conclusions: The paranasal sinus osteoma is associated with higher prevalence of anatomical variations. This can be explained either by the stronger influence of genetic and/or environmental factors on the development of the paranasal sinuses in patients with osteoma, or by their higher susceptibility to above mentioned factors.


Insects ◽  
2021 ◽  
Vol 12 (2) ◽  
pp. 109
Author(s):  
Norazila Yusoff ◽  
Idris Abd Ghani ◽  
Nurul Wahida Othman ◽  
Wan Mohd Aizat ◽  
Maizom Hassan

The diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), is the most important pest of cruciferous vegetables worldwide. In this study, we evaluated the properties of selected farnesyl derivative compounds against P. xylostella. The toxicity and sublethal concentration (LC50) of farnesyl acetate, farnesyl acetone, farnesyl bromide, farnesyl chloride, and hexahydrofarnesyl acetone were investigated for 96 h. The leaf-dip bioassays showed that farnesyl acetate had a high level of toxicity against P. xylostella compared to other tested farnesyl derivatives. The LC50 value was 56.41 mg/L on the second-instar larvae of P. xylostella. Then, the sublethal effects of farnesyl acetate on biological parameters of P. xylostella were assessed. Compared to the control group, the sublethal concentration of farnesyl acetate decreased pupation and emergence rates, pupal weight, fecundity, egg hatching rate, female ratio, and oviposition period. Furthermore, the developmental time of P. xylostella was extended after being exposed to farnesyl acetate. Moreover, the application of farnesyl acetate on P. xylostella induced morphogenetic abnormalities in larval–pupal intermediates, adults that emerged with twisted wings, or complete adults that could not emerge from the cocoon. These results suggested that farnesyl acetate was highly effective against P. xylostella. The sublethal concentration of farnesyl acetate could reduce the population of P. xylostella by increasing abnormal pupal and adults, and by delaying its development period.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Qiaozhu Zeng ◽  
Jingyuan Gao ◽  
Xinyu Zhang ◽  
Aichun Liu ◽  
Zhenfan Wang ◽  
...  

AbstractWe aimed to compare the demographic, clinical and laboratory characteristics between IgG4-related kidney disease (IgG4-RKD+) and extrarenal IgG4-related disease (IgG4-RKD−) in a large Chinese cohort, as well as describing the radiological and pathological features of IgG4-RKD+. We retrospectively analyzed the medical records of 470 IgG4-related disease (IgG4-RD) patients at Peking University People’s Hospital from January 2004 to January 2020. The demographic, clinical, laboratory, radiological and pathological characteristics between IgG4-RKD+ and IgG4-RKD− were compared. Twenty IgG4-RD patients who had definite etiology of renal impairment including diabetes, hypertension and etc. were excluded. Among the remained 450 IgG4-RD patients, 53 were diagnosed with IgG4-RKD+ . IgG4-RKD+ patients had older age at onset and at diagnosis. Male to female ratio of IgG4-RKD+ patients is significantly higher. In the IgG4-RKD+ group, the most commonly involved organs were salivary gland, lymph nodes and pancreas. It was found that renal function was impaired in approximately 40% of IgG4-RKD+ patients. The most common imaging finding is multiple, often bilateral, hypodense lesions. Male sex, more than three organs involved, and low serum C3 level were risk factors for IgG4-RKD+ in IgG4-RD patients. These findings indicate potential differences in pathogenesis of these two phenotypes.


BJS Open ◽  
2021 ◽  
Vol 5 (Supplement_1) ◽  
Author(s):  
Apoorva Khajuria ◽  
Tuba Rahim ◽  
Mariam Baig ◽  
Kai Leong ◽  
Apoorva Khajuria

Abstract Introduction Despite perianal abscess being a common presentation, certain aspects of its management remain controversial, especially the routine use of intra-operative swab cultures. Methods A retrospective review of patients that underwent incision and drainage procedures for a perianal abscess over a six-month period was undertaken. Results Over 6 months, 50 patients were identified. The male to female ratio was 3:1 and median ASA score was 1. Only 6/50 patients presented with recurrent abscess and 1 patient had history of inflammatory bowel disease. On the basis of operative findings, 39 patients (78%) had uncomplicated abscess (not associated with cellulitis, sinus or fistula); swab cultures were performed in 26 (67%) of these patients. All patients were discharged on the same day; microbiology reports did not impact the treatment and no patients were followed up in clinic post-operatively or presented with recurrence. The number of unnecessary microbiology swabs undertaken in this cohort equates to approximately 52 unnecessary swabs a year. The cost of one swab is £10.10p, which means £520 could potentially be saved annually. Conclusion Routine intra-operative swab cultures do not impact management decisions, add to unnecessary costs and therefore should not be undertaken in uncomplicated or first presentation of peri-anal abscesses.


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