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PubMedDate not supplied

A tale of two tribes.

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Attitude of Health Personnel↗
PubMed2000

Genes, Tribes, and African History.

Over the past 40 years, traditional perspectives on the constitution of human groups have been subjected to stringent critique within anthropology. This began with the dismantling of accepted "race" divisions after World War II and continued with analyses of the meaning and reality of African "tribal" distinctions from the 1960s until the present. Archaeologists, ethnographers, linguists, and historians of Africa now work within a research milieu where social interactions, cultural exchange, and the dynamic nature of group identifications are accepted as a normal part of the human experience. At the same time, new techniques have been developed for the examination of human history, techniques based upon an expanding repertoire of tools for the analysis of genetic variability in human populations. Perhaps the most striking result of this research has been Cavalli-Sforza, Menozzi, and Piazza's The History and Geography of Human Genes. Rather less attention has been paid, however, to the conceptual relationships between the human groups defined through such analyses, in Africa and elsewhere, and those defined through other kinds of research. This paper is a preliminary examination of the fit between genetic, archaeological, and ethnographic data on the African past.

Journal Article↗
PubMed2000

Genes, Tribes, and African History.

Over the past 40 years, traditional perspectives on the constitution of human groups have been subjected to stringent critique within anthropology. This began with the dismantling of accepted "race" divisions after World War II and continued with analyses of the meaning and reality of African "tribal" distinctions from the 1960s until the present. Archaeologists, ethnographers, linguists, and historians of Africa now work within a research milieu where social interactions, cultural exchange, and the dynamic nature of group identifications are accepted as a normal part of the human experience. At the same time, new techniques have been developed for the examination of human history, techniques based upon an expanding repertoire of tools for the analysis of genetic variability in human populations. Perhaps the most striking result of this research has been Cavalli-Sforza, Menozzi, and Piazza's The History and Geography of Human Genes. Rather less attention has been paid, however, to the conceptual relationships between the human groups defined through such analyses, in Africa and elsewhere, and those defined through other kinds of research. This paper is a preliminary examination of the fit between genetic, archaeological, and ethnographic data on the African past.

Journal Article↗
PubMed2000

Genes, Tribes, and African History.

Over the past 40 years, traditional perspectives on the constitution of human groups have been subjected to stringent critique within anthropology. This began with the dismantling of accepted "race" divisions after World War II and continued with analyses of the meaning and reality of African "tribal" distinctions from the 1960s until the present. Archaeologists, ethnographers, linguists, and historians of Africa now work within a research milieu where social interactions, cultural exchange, and the dynamic nature of group identifications are accepted as a normal part of the human experience. At the same time, new techniques have been developed for the examination of human history, techniques based upon an expanding repertoire of tools for the analysis of genetic variability in human populations. Perhaps the most striking result of this research has been Cavalli-Sforza, Menozzi, and Piazza's The History and Geography of Human Genes. Rather less attention has been paid, however, to the conceptual relationships between the human groups defined through such analyses, in Africa and elsewhere, and those defined through other kinds of research. This paper is a preliminary examination of the fit between genetic, archaeological, and ethnographic data on the African past.

Journal Article↗
PubMedDate not supplied

[Study of the protein profile of the Adélé tribe of Togo].

Plasma proteins provide precise information about the physiological status of an individual. In this study, we compared the plasma protein profiles of 168 individuals from the Adélé ethnic group, from an isolated rural area of Togo, with those of 159 individuals from an urban population from the capital, Lomé. The Adélé villages are located in the Atakora mountains. The subjects were volunteers, all apparently healthy and aged between 18 and 65 years. We separated serum proteins by electrophoresis and identified proteins specific for nutritional, inflammatory and immune status. The Adélé significantly higher total serum protein concentrations than the urban individuals, with higher concentrations of a1 globulins (2.35 +/- 0.57 g/L versus 1.94 +/- 0.52 g/L) and g globulins (22.19 +/- 5.67 g/L versus 16.98 +/- 5.23 g/L) and lower concentrations of b globulins (6.83 +/- 1.56 g/L versus 7.34 +/- 1. 52 g/L). The Adélé also had lower plasma concentrations of albumin (41.91 +/- 5.74 g/L versus 44.56 +/- 6.32 g/L), tranferrin (2.5 +/- 0.52 g/L versus 3.03 +/- 0.6 g/L), haptoglobin (0.57 +/- 0.59 g/L versus 1.32 +/- 0.89 g/L) and IgA (2.3 +/- 0.89 g/L versus 2.88 +/- 1.12 g/L) and higher plasma concentrations of orosomucoid (0.85 +/- 0.26 g/L versus 0.69 +/- 0.27 g/L); IgG (25.3 +/- 7.11 g/L versus 21. 79 +/- 6.5 g/L) and IgM (4.25 +/- 2.83 g/L versus 2.25 +/- 1.0 g/L). The data obtained for the Adélé and urban populations were similar to those obtained for European populations except for IgM (higher in the Adélé than in the urban and European populations), IgG and CRP (higher for the Adélé and urban populations than for European populations). Nutritional status, as estimated by albumin and transferrin concentrations, was higher in the urban population of Lomé than in the Adélé population but the Adélé population suffered no malnutrition problems. These results are consistent with those of a previous study, using apo A-I concentrations as an index of nutritional status. Apo A-I has also been shown to be a reliable indicator of nutritional status, as prealbumin concentration alone is sufficient for the early diagnosis of protein malnutrition. The very high concentrations of plasma CRP obtained indicate the presence of an inflammatory syndrome in the Adélé and urban populations, as this protein is the first acute phase protein to be detected. However, the orosomucoid concentrations obtain-ed provide no evidence of significant inflammation. The high affinity of haptoglobin (Hp) for hemoglobin (Hb) results in the formation of soluble Hp-Hb complexes, reducing the value of Hp as a marker of the acute phase of inflammation. The frequency os sickle cell disease was higher in the Adélé population than in the urban population (10-25% versus 2-6%). Hemoglobinopathies are correlated with haptoglobin concentration and thus plasma haptoglobin concentration was lower in the Adélé population than in the urban population. The plasma concentrations of a1-antitrypsin in this study were similar to those reported for Europeans. The plasma concentration of protease inhibitors, such as a1-antitrypsin, increased as protease levels increased. These data confirm that the Adélé and urban populations suffer no disease due to high levels of protease release into the bloodstream. They also show that a1-antitrypsin is of some value as an acute phase marker protein. The acute nature of the inflammatory syndrome (as assessed by CRP concentration) in the Adélé and urban populations was confirmed by the hyperglobulinemia (high levels of production of IgM and IgG antibodies) observed in these populations. The Adélé and Lomé urban populations live in a tropical environment in which they are continuously in contact with infectious agents. This results in repeated stimulation of the immune system in both these populations. This study of plasma proteins in the Adélé provides insight into the physiological conditions of this ethnic group, w

Adolescent↗
PubMed2001

A morphometric study of the Thingbu-pa and population comparison with neighbouring Monpa tribes of Arunachal Pradesh, India.

In the present study an attempt has been made to examine the morphometric characteristics of the adult males of the Thinbu-pa and the nature and extent of morphometric variation among four neighbouring Monpa groups of Arunachal Pradesh (India), namely the Panchen-pa, Dirang Monpa, Tawang Monpa and Kalaktang Monpa. For the sake of investigation altogether 14 anthropometric measurements (11 pertaining to head and face and 3 on the body as a whole) have been taken and 5 indices have been calculated. To obtain the distance values the methods of Penrose (1947, 1954) and El-Najjar (1978) have been followed. It is observed that the Thingbu-pa maintain far distance with the four neighbouring Monpa groups as well as the Panchen-pa also maintain far distance with the other four groups, while the Dirang Monpa, Tawang Monpa and Kalaktang Monpa maintain close distance among each other.

Adult↗
PubMed1979

Four tribes.

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Australia↗