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At least 235 records · Page 13Linked to original sources
PubMed1986

The retrocuspid papillae in Israeli Jews.

The prevalence of an anatomic variation, called retrocuspid papilla, was determined in Israeli Jews. The distribution of the retrocuspid papillae, according to two age groups, and symmetry within the dental arch and in relation to ethnic origin were examined. Results showed that retrocuspid papillae were observed in 38.5% of the young group and in 11.3% of the adult group. Greater occurrence of bilateral than unilateral retrocuspid papillae was observed in each age group and in both sexes. No significant ethnic trend was found when the prevalence of retrocuspid papillae was examined in relation to the ethnic origin of the study sample.

Adolescent↗
PubMed1989

Differential mortality by ethnicity: foreign-born Irish, Italians and Jews in New York City, 1979-81.

This paper compares the mortality experience of foreign-born Irish, Italians and Jews in New York City in 1979-81. For the Irish and Italian groups, 1980 census data were used to calculate age-specific and age-standardized death rates. For the Jewish group, denominator data were not available, so proportional mortality analysis was used. An estimate was made to show the degree to which standardized proportional mortality ratios approximated relative standard mortality measures. Major causes of death and other selected causes were examined. The results of this analysis support previous studies showing mortality is significantly greater among Irish-born immigrants than among the Italian born. The proportional mortality data suggest that the Jewish and Italian groups have cause of death distributions relatively similar to each other and dissimilar to the Irish group. Alcohol-related causes of death appear to be a major source of the uniqueness of the Irish mortality experience.

Adolescent↗
PubMed1994

Hunter syndrome among Jews in Israel.

Hunter syndrome (mucopolysaccharidosis II) is an X-linked lysosomal storage disorder caused by the deficiency of iduronate sulfatase (IDS), the gene of which is located at Xq28. A relatively high frequency of Hunter disease among Ashkenazi and Moroccan Jews in Israel was observed. Genetic analysis of the patients with Hunter disease in these ethnic groups indicated the absence of new mutations and a two-fold excess of individuals with the mutant allele over non carriers. This unusual phenomenon is unique to these ethnic groups and is suggestive of a prenatal selection process favoring the Hunter allele. Studies of the IDS gene structure and its flanking region are performed with the aim of detecting the mutations causing the disease in these patients and thus develop the most accurate diagnostic procedure for carrier identification among female relatives in these families. Furthermore, these studies are also aimed at identifying the unique molecular structure in the IDS gene or its flanking region which is the basis for the selection process. RFLP analysis using the cDNA gene (pc2S15) and DNA probes closely linked to the IDS gene, as well as the study of CA repeats in a closely linked region, indicated the absence of common haplotypes among Ashkenazi or Moroccan patients, excluding a linkage disequilibrium between a putative advantageous linked gene to the Hunter mutation in our patients. Studies of the IDS gene indicated a partial deletion in two patients while the other 12 patients had an apparent intact gene.(ABSTRACT TRUNCATED AT 250 WORDS)

Female↗
PubMedDate not supplied

Clinical features of oculopharyngeal muscular dystrophy among Bukhara Jews.

Oculopharyngeal muscular dystrophy (OPMD), a late onset autosomal dominant myopathy, is common among the French-Canadians and the Jews from Bukhara (Uzbekistan); most clinical histologic and genetic data published until now, as well as the recently suggested diagnostic criteria, are based on studies among the former. We studied 79 patients with OPMD belonging to the newly described Jewish-Bukhara cluster. The disease began between the ages of 21 and 78 yr (median 53 yr). In 11 patients (15%) it began before the age of 40. Ptosis was the first symptom in 59 patients and dysphagia in the remaining 20. Eight patients (10%) were monosymptomatic (ptosis) after more than 7 yr from the start of the disease; however, other family members had additional signs/symptoms. The patients belong to 29 families; in 26 age-dependent autosomal dominant inheritance could be documented. Among them there is certain evidence for genetic anticipation. This clinical study is the largest published concerning patients other than French-Canadians.

Adult↗
PubMedDate not supplied

An unexpectedly high frequency of heterozygosity for alpha-thalassemia in Ashkenazi Jews.

alpha-Thalassemia is among the world's most common single gene disorders, which is most prevalent in the malaria belt. This geographic distribution has been attributed to a selective advantage of heterozygotes against this disease. Unexpectedly, we have found a high frequency of heterozygosity for deletional alpha-thalassemia (-alpha3.7) in Ashkenazi Jews (carrier frequency of 7.9%, allele frequency of 0.04). This population has resided in temperate climates for many centuries and was therefore not subjected to malarial selection pressure. In comparison, heterozygosity for beta-thalassemia, which is highly subject to malarial selection pressure, is very low (estimated <0.1%) in this group. It is possible that founder effect and genetic drift have contributed to the high frequency of deletional alpha-thalassemia in Ashkenazim, as may occur in closed populations. Alternatively, we hypothesize that positive selection pressure for an as yet unknown linked allele on chromosome 16 may be a significant factor leading to this high frequency.

Founder Effect↗
PubMed2004

Tattoo removal among Ethiopian Jews in Israel: tradition faces technology.

BACKGROUND: Many Jews in Ethiopia adopted the Christian custom of tattooing various parts of the body, either after conversion or to hide their Jewish origin. After emigrating to Israel, they sought to remove these foreign symbols to better blend with society. The aim of this study was to describe the use of laser technology for tattoo removal in a high-risk dark-skinned population and to highlight one way in which the interaction of modern medical communities with people from developing countries can open new avenues of research. PATIENTS AND METHODS: The study sample consisted of 401 women and 3 men of Ethiopian origin with Fitzpatrick skin type V or VI. Ages ranged from 15 to 53 years. All tattoos were blue/black and had been made by injecting charcoal into the skin. Most (n = 392, 97%) were located on the forehead or the forehead and temples (n = 312); 69% were cross-shaped. Patients underwent 3 to 6 laser treatments (average 3.6) with the Q-switched Nd:YAG (n = 380, 94%) or ruby (n = 24) laser at intervals of at least 8 weeks. The percent of clearing was scored by two independent investigators as follows: 1 = 0%-25%; 2 = 26%-50%; 3 = 51%-75%; 4 = 75%-100%. Pigmentary and textural changes were classified as none, mild, moderate, or severe. The duration of follow-up after the last treatment was 6-8 months. RESULTS: At the last follow-up, the clearance score was 4 in 92% of the patients and 3 in the remainder. Transient (2-4 months) mild hyperpigmentation was noted in 177 (44%) patients, and mild textural changes in two, both treated with the Q-switched laser. There were no cases of scarring or permanent pigmentary changes. CONCLUSION: Laser removal of carbon-based tattoos in an Ethiopian population yielded an excellent to good aesthetic outcome with no complications, similar to results in light-skinned patients. These findings have important implications for improving the quality of life of Ethiopian immigrants in Israel.

Adolescent↗
PubMed1997

The social circumstances of anxiety and its symptoms among Anglo-Jews.

In this community study of orthodox-affiliated Jews in London the social circumstances of anxiety were examined. By contrast with previous work on women in London, danger and early adversity bore only a weak relationship with anxiety in this sample. Eventfullness had the strongest relationship with anxiety of all the circumstances examined. Women were more likely to suffer from borderline anxiety than were men, but there were no gender differences in case anxiety. Women had more eventful lives than men but this could not solely account for gender differences in anxiety. Findings suggest the importance of cultural factors in aetiology.

Adolescent↗
PubMed1998

HLA class II immunogenetics of IDDM in Yemenite Jews.

The association between HLA-DR and DQ and insulin dependent diabetes mellitus (IDDM) was analyzed in 47 patients and 76 controls of Yemenite Jewish origin. The IDDM susceptibility alleles DRB1*03011, DQA1*0501, DQB1*02 and DRB1*0402, DQA1*0301, DQB1*0302 found in Caucasians had a very strong predisposing effect also in the Yemenite IDDM group. The DRB1*07, DQA1*0201 and DQB1*02 alleles were found to have a strong negative association with IDDM. None of the patients carried DRB1*07 and DQA1*0201 compared with healthy controls (43.7%). Our analysis revealed that the DRB1*03011 DQA1*0501 DQB1*02/DRB1*04 DQA1*03 DQB1*0302 heterozygous genotype confers the highest susceptibility (59.6% in patients vs. 0% in controls). The homozygous DRB1*03 and DRB1*04 genotypes were also found to be positively associated with the disease. 81% of the patients compared to 1.3% of controls carried the susceptibility alleles on both haplotypes. In conclusion, the development of IDDM in Yemenite Jews is strongly dependent on the presence of the susceptibility HLA alleles and on the absence of the DRB1*07 haplotype. The Yemenite Jewish group is uniquely homogenous with regard to genetic susceptibility factors involved in the process of IDDM, and may thus be an ideal model for further genetic studies.

Alleles↗
PubMed2001

Compliance with home rehabilitation therapy by parents of children with disabilities in Jews and Bedouin in Israel.

Among key points in making progress and succeeding with a therapeutic programme for children with disabilities is parental compliance with the regime for their child. The purpose of this study was to evaluate factors influencing compliance with home therapy in the Jewish and Bedouin populations. Data were collected by structured questionnaires. A total of 193 families participated (84% response rate) with children who ranged in age from 6 months to 6 years (mean age at first visit to the centre was 9.5 years in Jews and 16.1 years in Bedouin). Compliance was significantly lower among the Bedouin. Multivariate regression analysis showed that the strongest contributory factor in lack of compliance was being Bedouin. The second factor was intensity of questioning destiny, indicating that parents with these feelings may be less likely to comply with therapeutic regimes. Other factors which were associated with compliance were parents' education and socioeconomic status: lower levels on these dimensions corresponded with lower parental compliance. These results were illuminated by a trial intervention programme for Bedouin families which involved telephone contact, translation facilities, and detailed explanations during visits to the centre. Intervention increased the compliance rate of the Bedouin appointments with specialists to 76% (91 of 120 appointments) thereby reaching similar levels to those of the Jewish group. These preliminary results indicate that the strong association between non-compliance and being Bedouin may be due to factors of communication, and that the Bedouin are receptive to therapeutic interventions when communicated in their own language.

Arabs↗
PubMed1998

Familial pattern of infection with hepatitis B virus among immigrating Ethiopian Jews in Israel.

Seventy-eight families (506 members) of recently immigrating Ethiopian Jews to Israel, were tested for the presence of HBV serological markers to evaluate the intrafamilial horizontal transmission of the virus. Eighty-four members (16.6%) were carriers and 20.2% were HBeAg positive, the overall infection rate was 67.8%. In 40 families (51.3%) at least one family member was HBsAG positive, and in 19 families (24.4%) two or more family members were HBsAg positive. Thirty-six carriers (42.8%) were children under the age of 10, by one year of age 30% have contracted the virus, and by the age of 5 and 10 years 43.5% and 57.1% have had serological markers for past HBV infection, respectively. Our data correlate with other studies regarding the importance of horizontal spread of HBV among Sub-Saharan Africans.

Adolescent↗
PubMed2001

Differences in trends of lung carcinoma by histology type in Israeli Jews and Arabs, 1981-1995.

Between 1981 and 1995 the national cancer register in Israel received reports on 13,600 new cases of lung cancer. We evaluated the trends in total lung cancer and the histologic subtypes, in Jewish and Arab Israelis. During this period, the age-adjusted incidence of lung cancer increased in the male Arab population, while for male Jews there was a non-significant decrease, for women in both population groups the rates were stable. When analyzed by age group, there was a significant decrease in incidence rates in Jewish males aged 75 years and older. An analysis by histologic subtypes showed two different trends. In the Jewish population, the age adjusted incidence rates of squamous cell carcinoma (SQCC) decreased and the incidence rates of adenocarcinoma (AC) increased, whereas in the Arab population the incidence rates of both subtypes increased, although statistically significantly only for SQCC. The changes found in the Jewish population are similar to those found in other western countries, where the rates of AC are increasing and the rates of SQCC are decreasing. The trends in the Arab population in Israel are different. This may be due to different trends in the prevalence of smoking in the two populations.

Adenocarcinoma↗
PubMed2002

Participation rates of Ashkenazi Jews in a colon cancer community-based screening/prevention study.

In a recent colon cancer risk study, genetic assessment and colonoscopy were offered to virtually all of the adult Ashkenazi Jews in an urban community. The present study was designed to examine factors influencing participation and response in the initial study and to suggest strategies for improving participation in future health promotion programs. The study comprised a random sample of three groups of individuals who had been targeted for participation in the previous study: those who had (a) agreed to participate (n = 234); (b) declined participation (n = 179); and (c) failed to respond to a mailed recruitment package (n = 128). All participants completed a brief telephone survey. Key multivariate predictors of both response and participation were individuals' perceptions of the drawbacks of participating in colon cancer screening research and the degree of decisional conflict they experienced. Response was further predicted by the influence of spouses, family history of colon cancer, past knowledge of genetic testing for colon cancer, and education level. Participation was predicted by awareness that the study was supported by the Ashkenazi Jewish community, past experience with genetic testing, individuals' perceptions of the benefits of participating, and whether or not they had children. The degree to which individuals understand the purpose and nature of genetic screening research, along with their levels of decisional conflict and other psychosocial factors, may influence the likelihood of their participation in such research. Results of this study suggest a number of possible strategies for improving participation and response rates in disease prevention and detection studies.

Age Factors↗
PubMed2001

The development of Israeli children's images of Jews and Arabs and their expression in human figure drawings.

The development of images of "a Jew" and "an Arab" in Jewish Israeli children who were 4-15 years of age was investigated by means of human figure drawings followed by the administration of questionnaires. The drawings were scored on structural and thematic variables. The questionnaires assessed beliefs and intentions. The hypotheses predicted a differential perception of in- and out-groups and peaks in negativity toward the out-group at preschool age and in early adolescence. Results indicate that, irrespective of age, Jewish Israeli children have generalized images of the two ethnic groups. Preschoolers expressed both positive biases toward the in-group and negativism toward the out-group. and early adolescents manifested mainly negative biases toward the out-group. Children in middle childhood and mid-adolescents manifested reductions in both in-group favoritism and out-group negativity.

Adolescent↗
PubMed2006

Exposure to terrorism, stress-related mental health symptoms, and defensive coping among Jews and Arabs in Israel.

The authors conducted a large-scale study of terrorism in Israel via telephone surveys in September 2003 with 905 adult Jewish and Palestinian citizens of Israel (PCIs). Structural equation path modeling indicated that exposure to terrorism was significantly related to greater loss and gain of psychosocial resources and to greater posttraumatic stress disorder (PTSD) and depressive symptoms. Psychosocial resource loss and gain associated with terrorism were, in turn, significantly related to both greater PTSD and depressive symptoms. PCIs had significantly higher levels of PTSD and depressive symptoms than Jews. Further, PTSD symptoms in particular were related to greater authoritarian beliefs and ethnocentrism, suggesting how PTSD may lead to a self-protective style of defensive coping.

Adaptation, Psychological↗
PubMed1998

The APCI1307K allele and cancer risk in a community-based study of Ashkenazi Jews.

Mutations in APC are classically associated with familial adenomatous polyposis (FAP), a highly penetrant autosomal dominant disorder characterized by multiple intestinal polyps and, without surgical intervention, the development of colorectal cancer (CRC). APC is a tumour-suppressor gene, and somatic loss occurs in tumours. The germline T-to-A transversion responsible for the APC I1307K allele converts the wild-type sequence to a homopolymer tract (A8) that is genetically unstable and prone to somatic mutation. The I1307K allele was found in 6.1% of unselected Ashkenazi Jews and higher proportions of Ashkenazim with family or personal histories of CRC (ref. 2). To evaluate the role of I1307K in cancer, we genotyped 5,081 Ashkenazi volunteers in a community survey. Risk of developing colorectal, breast and other cancers were compared between genotyped I1307K carriers and non-carriers and their first-degree relatives.

Adenomatous Polyposis Coli Protein↗
PubMed1999

Common origin of the I1307K APC polymorphism in Ashkenazi and non-Ashkenazi Jews.

A common germline missense mutation within the APC gene, I1307K, has recently been described in Ashkenazi Jews. We detected this polymorphism in two non-Ashkenazi Jewish women using denaturing gradient gel electrophoresis (DGGE), and hypothesized that in Jewish individuals it might not be restricted to Ashkenazim, and actually reflect a common ancestral polymorphism. To test this notion we performed allelic pattern determination using APC-linked markers in these two women and in nine Ashkenazi carrier controls. The pattern of the intragenic markers, as well as a single downstream marker 30-70 Kb from the APC gene was identical in all individuals, regardless of ethnic origin. We conclude that the I1307K polymorphism in Jewish individuals, is not restricted to Ashkenazim and probably reflects a founder mutation.

Female↗
PubMed2005

Y chromosome evidence for a founder effect in Ashkenazi Jews.

Recent genetic studies, based on Y chromosome polymorphic markers, showed that Ashkenazi Jews are more closely related to other Jewish and Middle Eastern groups than to their host populations in Europe. However, Ashkenazim have an elevated frequency of R-M17, the dominant Y chromosome haplogroup in Eastern Europeans, suggesting possible gene flow. In the present study of 495 Y chromosomes of Ashkenazim, 57 (11.5%) were found to belong to R-M17. Detailed analyses of haplotype structure, diversity and geographic distribution suggest a founder effect for this haplogroup, introduced at an early stage into the evolving Ashkenazi community in Europe. R-M17 chromosomes in Ashkenazim may represent vestiges of the mysterious Khazars.

Chromosomes, Human, Y↗
PubMed1999

hKCa3/KCNN3 potassium channel gene: association of longer CAG repeats with schizophrenia in Israeli Ashkenazi Jews, expression in human tissues and localization to chromosome 1q21.

We demonstrate a significant association between longer CAG repeats in the hKCa3/KCNN3 calcium-activated potassium channel gene and schizophrenia in Israeli Ashkenazi Jews. We genotyped alleles from 84 Israeli Jewish patients with schizophrenia and from 102 matched controls. The overall allele frequency distribution is significantly different in patients vs controls (P = 0.00017, Wilcoxon Rank Sum test), with patients showing greater lengths of the CAG repeat. Northern blots reveal substantial levels of approximately 9 kb and approximately 13 kb hKCa3/KCNN3transcripts in brain, striated muscle, spleen and lymph nodes. Within the brain, hKCa3/KCNN3transcripts are most abundantly expressed in the substantia nigra, lesser amounts are detected in the basal ganglia, amygdala, hippocampus and subthalamic nuclei, while little is seen in the cerebral cortex, cerebellum and thalamus. In situ hybridization reveals abundant hKCa3/KCNN3 message localized within the substantia nigra and ventral tegmental area, and along the distributions of dopaminergic neurons from these regions into the nigrostriatal and mesolimbic pathways. FISH analysis shows that hKCa3/KCNN3 is located on chromosome 1q21.

Base Sequence↗