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Abstract Background The Specificity proteins (Sp) are a family of transcription factors that have three highly conserved zinc-fingers located towards the carboxy-terminal that bind GC-boxes and assist in the initiation of gene transcription. Human Sp1-7 genes have been characterized. Recently, the phenotype of Sp8 null mice has been described, being tailless and having severe truncation of both fore and hind limbs. They also have malformed brains with defective closure of the anterior and posterior neuropore during brain development. Results The human Sp8 gene is a three-exon gene that maps to 7p21.3, close to the related Sp4 gene. From an osteosarcoma cell line we cloned two transcript variants that use two different first exons and have a common second exon. One clone encodes a 508-residue protein, Sp8L (isoform 1) and the other a shorter 490-residue protein, Sp8S (isoform 2). These two isoforms are conserved being found also in mice and zebrafish. Analysis of the Sp8L protein sequence reveals an amino-terminal hydrophobic Sp-motif that is disrupted in Sp8S, a buttonhead box and three C2H2 zinc-fingers. Sp8 mRNA expression was detected in a wide range of tissues at a low level, with the highest levels being found in brain. Treatment of the murine pluripotent cell line C3H10T1/2 with 100 ng/mL BMP-2 induced Sp8 mRNA after 24 hours. Conclusions There is conservation of the two Sp8 protein isoforms between primates, rodents and fish, suggesting that the isoforms have differing roles in gene regulation. Sp8 may play a role in chondrogenic/osteoblastic differentiation in addition to its role in brain and limb development.

Abstract Background Osteogenic and chondrocytic differentiation involves a cascade of coordinated transcription factor gene expression that regulates proliferation and matrix protein formation in a defined temporo-spatial manner. Bone morphogenetic protein-2 induces expression of the murine Osterix/Specificity protein-7 (Sp7) transcription factor that is required for osteoblast differentiation and bone formation. Regulation of its expression may prove useful for mediating skeletal repair. Results Sp7, the human homologue of the mouse Osterix gene, maps to 12q13.13, close to Sp1 and homeobox gene cluster-C. The first two exons of the 3-exon gene are alternatively spliced, encoding a 431-residue long protein isoform and an amino-terminus truncated 413-residue short protein isoform. The human Sp7 protein is a member of the Sp family having 78% identity with Sp1 in the three, Cys2-His2 type, DNA-binding zinc-fingers, but there is little homology elsewhere. The Sp7 mRNA was expressed in human foetal osteoblasts and craniofacial osteoblasts, chondrocytes and the osteosarcoma cell lines HOS and MG63, but was not detected in adult femoral osteoblasts. Generally, the expression of the short (or beta) protein isoform of Sp7 was much higher than the long (or alpha) protein isoform. No expression of either isoform was found in a panel of other cell types. However, in tissues, low levels of Sp7 were detected in testis, heart, brain, placenta, lung, pancreas, ovary and spleen. Conclusions Sp7 expression in humans is largely confined to osteoblasts and chondrocytes, both of which differentiate from the mesenchymal lineage. Of the two protein isoforms, the short isoform is most abundant.

Concentrated Red Blood Cells (CRC) are contaminated with White Blood Cells. Many of the transfusion related problems are attributed to these cells and to cytokines which are produced during the storage period and remain with the RBC even after successful bedside filtration of the later. Pre-storage leucodepletion (LD) might prevent the generation of such cytokines and reduce further the possibility of transfusion related events. Materials and Methods: Six whole blood units where collected,processed and stored (42d) in Maco Pharma's conventional triple CPD/SAG-M bags. Samples of the CRC were taken on day 0,1,2,5,9,20,27,36,40,42 for counting of WBC and assaying of IL1b,IL6,IFNa and IFNg (Elisa,AMERSHAM). Six other units were collected in Maco Pharma?s triple siamese CPD/SAG-M bags with in-line whole blood filter,leucodepleted,processed and stored (42d).Samples of the CRC were taken on dO for WBC counting (Nageotte method) and on the aforementioned days for assaying the same cytokines as before. Results: The in-line filter was very efficient in removing WBC (reduction ³4.5 log). WBC counts in the non LD units steadily dropped from 10 to 2.5 × 10[sup 9]/I.Values hereafter are median and express pg/ml.IL 1b and IL6 were non existent throughout the study in the LD units. In the other group IL1b appeared on d2 and kept rising throughout the study (6.2 on d.42) and IL6 rised from 0.5 at d0 to 1.6 at d42.IFNg in the LD set was assayed on d0 at 3, rised to 4.4 on d2 and gradually decreased to 0 on d42. In the other group it started from 12.3, rised to 16.7 on d2 and decreased to virtually 0 on d42.IFNa in the LD group started from 0.7, slowly increased to 0.88 on d9,decreased to 0 on d27 and remained so. In the other group it started from 1.67, exceeded 2.3 by d9 and gradually decreased to 0.9 on d42. Discussion: Pre-storage LD prevented the generation of IL1b and IL6.IFNa and g seem to be generated in both groups, more prominently in the non LD one, and this could be explained by their generation during process as well as by the number of WBC contained in the bag. Conclusion: Pre-storage LD prevents the generation of certain cytokines in the stored RBC. The clinical relevance of this remains to be investigated. [ABSTRACT FROM AUTHOR]

The aim of the present study was to analyze the association of the TLR2 (Toll-like receptor 2 gene) 2258G>A (rs5743708), TLR4 (Toll-like receptor 4 gene) 896A>G (rs4986790), and TLR4 1196C>T (rs4986791) polymorphisms with dental caries in Polish children. The participants, 261 15-year-old children, were divided into two groups: 82 cases (i.e., children with DMFT (Decayed, Missing, and Filled Teeth) index >5, having either moderate or high caries experience, assigned as the "higher" caries experience group) and 179 controls (i.e., children with DMFT ≤ 5, having either low or very low caries experience, assigned as the "lower" caries experience group). Genomic DNA was isolated from buccal swabs, and genotyping was determined by means of real-time PCR (polymerase chain reaction). There were no significant differences in the genotype or allele distributions in all tested SNPs (single nucleotide polymorphisms) between children with "higher" caries experience and those with "lower" caries experience. TLR4 haplotype frequencies did not differ significantly between cases and controls. In an additional analysis with another case definition applied (subjects with DMFT ≥ 1 were assigned as "cases", whereas children with DMFT = 0 were assigned as "controls"), no significant differences in the TLR2 and TLR4 genotype, allele frequencies, and TLR4 haplotype frequencies were found between the case and the control groups. The results of the present study broaden our knowledge on the potential genetic factors that might affect caries risk and suggest that TLR2 rs5743708 and TLR4 rs4986790 and rs4986791 SNPs are not associated with dental caries susceptibility in Polish children.

Background: Patients experiencing any malocclusion, may desire for treatment. However, there is no scientific information orthodontic treatment demand and the knowledge of young adults about orthodontic treatment. The aim of the study was to assess orthodontic treatment demand in young adults from Poland and Chile, their previous orthodontic experience and their knowledge on fixed and aligner orthodontic treatment., Methods: The target group comprised people aged 18-30. The sample size was estimated as above 400 for each country. The survey was carried out in Polish and Spanish within 3 months and consisted of 25 questions delivered via social media. Comparisons were made between countries, age subgroups and gender., Results: The response rate was 1,99%, what stands for 1092 responses, 670 from Chile and 422 from Poland, respectively. The percentage of young adults who were already treated was 42,9% in Poland and 25,0% in Chile. The ones planning to have orthodontic treatment within a year counted for 11,8% in Poland and 5,3% in Chile. Most young adults who want to be treated (20,6%) rely on doctor's recommendation on type of appliance while 14,7% of all respondents are interested solely in aligners. Most respondents have heard about aligners (58%). Direct provider-to-customer service without a doctor is not acceptable, neither in Poland (85,1%) nor in Chile (64,8%). Most young adults provided incorrect answers referring various aspects of aligner treatment., Conclusions: In both countries, patients demand to be treated and monitored by the orthodontist. A high percentage of patients want to be treated exclusively with aligners. Direct-to-consumer orthodontics does not seem attractive to patients. Young adults do not have adequate knowledge referring to aligner treatment. Many people want to be treated despite a previous orthodontic treatment., (© 2024. The Author(s).)

Background: Molar incisor hypomineralization (MIH) is a qualitative, demarcated enamel defect of hypomineralization affecting one to four first permanent molars, often with incisor involvement. Its etiology is complex. However, evidence suggests the influence of genetic factors, potentially including the single nucleotide polymorphisms (SNPs) rs2889956, rs4811117 and rs13058467, which were previously linked to MIH in a genome-wide association study of German children. The aim was to replicate analyses of possible associations between the SNPs and molar incisor hypomineralization in Polish children., Methods: The final study group consisted of 778 children aged 126-168 months old. Saliva samples were taken, and genomic DNA was extracted and genotyped using beadchip microarrays., Results: Among the 778 subjects, there were 68 (8.7%) subjects with MIH and 710 (91.3%) subjects without MIH. There were no significant differences in distributions in age, sex, or the frequency of caries in permanent dentition between the MIH and non-MIH groups. The rs2889956, rs4811117, and rs13058467 genotype distributions in the studied group conformed to the expected Hardy-Weinberg equilibria, and there were no significant differences in the distributions of their alleles or genotypes between the MIH and non-MIH groups., Conclusion: Our replication study did not confirm highly significant associations between the single nucleotide polymorphisms rs2889956, rs4811117, and rs13058467 with molar incisor hypomineralization in Polish children.

(1) Background: The incidence of ankyloglossia is 0.02-10.7%. Its effect on selected dysfunctions has been described; however, no studies report its impact on several disorders in a group of subjects. The aim of this study was to assess the effect of ankyloglossia on swallowing, speech, occlusion and periodontium. (2) Methods: The study group consisted of 86 patients with ankyloglossia, and the control group (n = 86) had a normal tongue frenulum. Type of swallowing, tongue mobility, speech, occlusion and periodontium were assessed. (3) Results: Ankyloglossia pertained to 75.6% patients with infantile swallowing and 41.3% patients with mature swallowing. Limited tongue mobility was found in 29.4% subjects with moderate ankyloglossia and 70.6% subjects with severe ankyloglossia. All subjects with mild ankyloglossia and all the controls had normal tongue mobility. The relationship between dysglossia and ankyloglossia severity was statistically significant. Malocclusion or crowding was diagnosed in 62% subjects with ankyloglossia and 21.6% subjects in the control group. No periodontal abnormalities were found in any subject. (4) Conclusions: (1) A short tongue frenulum negatively influences swallowing and is associated with an "infantile swallowing pattern". (2) Moderate or severe ankyloglossia significantly limits tongue mobility. (3) A short tongue frenulum negatively influences speech. (4) Ankyloglossia is associated with higher prevalence of malocclusion.

Objective: To examine the association of four FCN1 SNPs: -542G>A (rs10120023), -144C>A (rs10117466), +6658C>T (rs148649884), and +7895A>G (rs150625869) with dental caries in Polish children., Subjects and Methods: The study group consisted of 261 15-year-old Polish teenagers: 82 children with "higher" caries experience (having Decayed Missing Filled Teeth, DMFT >5) and 179 children with "lower" caries experience (having DMFT ≤5). Moreover, in additional comparison, a group of 229 children with caries experience (DMFT ≥1) was compared to a caries-free (DMFT =0) group of 32 children. Extraction of genomic DNA was performed from buccal swabs, and genotyping was performed by Real-Time PCR., Results: FCN1 SNPs +6658C>T and +7895A>G appeared to be monomorphic in our sample. The genotype, allele, or haplotype distributions in FCN1 SNPs -542G>A and -144C>A in children with "higher" caries experience did not differ significantly from those in "lower" caries experience group. Similar results with no significant differences were demonstrated for subjects with DMFT ≥1 compared to subjects with DMFT =0., Conclusion: FCN1 SNPs are not the markers of dental caries susceptibility in Polish children., (© 2021 Wiley Periodicals LLC.)

Caries has a negative influence on health and is still a public health problem among children and adolescents in Poland. The aim of this study was to analyze the association of dietary habits, oral hygiene behaviors and the frequency of usage of dental services with the dental caries index in teenagers in North-West Poland. The study enrolled 264 children (147M/117F) aged 15. Participants filled out a questionnaire regarding age, sex, frequency of visits to the dentist, dietary habits and oral hygiene behaviors, and the Decayed Missing Filled Teeth Index (DMFT) was calculated. Caries was found in 88.6% of subjects. The lower or no caries experience group (DMFT ≤ 5) comprised of 180 subjects, while higher caries experience (DMFT > 5) was found in 84 teenagers and was significantly inversely associated with tooth brushing after the last meal (OR = 0.45; 95% CI:0.21-0.97; p = 0.04) and the daily use of dental floss (OR = 0.12; 95% CI:0.01-0.92; p = 0.04). There is an emerging need for the implementation of effective caries prevention and recovery programs in Poland. Health promotion focusing on oral hygiene behaviors should be disseminated more widely because lower caries experience was demonstrated in teenagers declaring healthy oral habits. Another important need is the development of multi-sectorial actions aiming at the improvement of dietary habits.

The development of learning difficulties is associated with problems in external (executive) and extensive behaviour in a co-occurrence with psycho-emotional problems beginning from pre-school, school age, and adolescence up to adulthood. Through the current survey, we aim to emphasise the early role of learning difficulties during the school age and adolescence of prisoners and their effects on the onset of offending behaviours in adulthood, such as criminal behaviour. Altogether, we studied 117 Greek adult prisoners from 18 to 70 years old who were accused of different types or degrees of offences. Through statistical analyses, the following factors were observed with high statistical significance as early indicators of criminal behaviour in the adult lives of the prisoners: (i) learning difficulties, (ii) family problems, (iii) behaviour disorders, (iv) developmental disorders, and (v) psycho-emotional disorders. As a result, the learning difficulties were assumed to be the most decisive factor in the developmental progression of prisoners because they manifested early in the prisoners' lives, weakened the prisoners to be competitive and robust, provoked a bad self-image and low self-esteem, and, in the frame of a weak or negative family and educational environment, they accompanied antisocial behaviour and psycho-emotional disorders even from adolescence, which continued into adulthood., (Copyright © 2013 Elsevier Ltd. All rights reserved.)

Study Objective: To record descriptions of occupational exposures to blood, determine factors predictive of exposure, and identify interventions that might reduce the frequency of exposure., Design: An analytic, cross-sectional survey., Study Population: A total of 601 nurses from surgical wards, operating rooms, and emergency departments. STUDY INSTRUMENT: An anonymous questionnaire developed by the authors on the basis of previously published guidelines was distributed between January and March 2003., Sampling: Random, with 18 hospitals selected from 2 urban and rural locations., Results: Almost half of respondents reported having had at least 1 puncture injury during the preceding year, 1 in 5 had exposure via mucous membranes, and more than half had worked at least once with a recent abrasion or cut on their hands. The number of injuries was independent of age (P=.26), duration of practice (P=.21), and workplace setting (P=.78). The percentage of nurses without percutaneous exposure during the preceding year was significantly higher in the group that received special HIV/AIDS training than in the group that did not (95% confidence interval, 5.8-24.1%; P<.002). The most recent exposure was primarily caused by hollow-bore needles, involved the palm and fingers II-V, was self-inflicted, took place during an elective procedure, and was not reported to the hospital's infection control center by 74% of respondents. The most common reason for not reporting the exposure (38% of cases) was the conviction that the source patient was not infected., Conclusions: Because of the large number of occupational exposures to blood, especially those due to injuries with hollow-bore needles, nurses should adopt more adequate behavioral strategies to prevent the transmission of blood-borne pathogens. Policies for providing adequate education programs tailored to encourage nurses to report all exposures are urgently required.

Unlabelled: Orthopedic surgeons are at risk for occupationally acquired infections with blood borne pathogens., Objective: To estimate the prevalence of infection with HBV, HCV, CMV and HIV among orthopedic surgeons., Design: Voluntary, anonymous serosurvey at an annual meeting of Polish Association of Orthopedic Surgeons held in Szczecin, Poland in 2004. Serum samples were tested for anti-HIV, anti-CMV IgG, anti-HCV and markers of HBV infection: anti-HBc total and HBs., Results: Of 1000 eligible orthopedic surgeons at the meeting, 101 (10.4%) participated; 75% participants reported a percutaneous blood contact in the previous month. None of the doctors was positive for HIV (0%, 95% CI:0-3.7%). One participant (1%, 95% CI: 0.2-5.4%), 26 years in profession, had anti-HCV. There was evi-dence of infection with HBV in 10 of 96 participants (10.4%) who had reported having no nonoccupational risk factors and in 5 participants with such factors. None of them developed a chronic infection. Only 5 out of 15 doctors infected with HBV knew their serological status, 13 out of those 15 had been immunized with hepatitis B vaccine, 4 revaccinated. The immunization rate was 91%. The seroprevalence for CMV was 63/101 (62%); it increased with age (p < 0.0003)., Conclusions: Despite infection control precautions and availability of hepatitis B vaccine, orthopedic surgeons remain at risk for acquiring bloodborne viral infection. CMV poses the highest risk, followed by HBV and HCV. As the majority of HBV infected doctors did not know their serological status and underwent immunization with hepatitis B vaccine, testing for anti-HBc before vaccination remains crucial.

A study was conducted to identify pertaining to the care of HIV infected patients among nurses in the County of West Pomerania. Most of the respondents (43.2%) were working in municipal hospitals, 38.7% in hospitals located in the country and 18% in academic hospitals. The responding nurses ranged in age from 20 to 58 (median 38 years). Median of work experience was 16 (1-28) years. The respondents were divided into 3 groups: A--the nurses who expressed serious concern about HIV infection, 62.9%; B--some degree of concern, 31.3%; C--not concerned, 4.3%. An HIV/AIDS workshop was attended by 74.6% of respondents from group A and 76.6% from group B (p > 0.85). The occupational exposure reported 49.5% nurses from group A, 39.9% from group B and 42.4% from group C (p > 0.3). The gloves were "always" used by 82.5% respondents from group A, 87.8% from group B and 76.9% from group C (p > 0.07). 79.9% of nurses from group A, 53.2% from group B and 42.3% (p < 0.0001) favored HIV antibodies testing of all patients.