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The present review discusses two types of biological rhythms, namely, circadian rhythms and circannual rhythms. Humans possess a circadian rhythm of approximately 24 hours, which is regulated by neural and hormonal processes. The synchronisation of this rhythm with the solar day and night is maintained through entrainment mainly by light. Dark environments completely lacking windows may have a neg
I slutet av 1940-talet beslutade Sverige att ta emot ett begränsat antal icke-arbetsföra flyktingar. Denna artikel ger den internationella och nationella bakgrunden till detta beslut, beslut som gav upphov till framväxten av en specifik flyktingverksamhet inom socialtjänsten. Artikelns syfte är att med hjälp av ett historiskt perspektiv förstå bakgrunden till socialtjänstens arbete med flyktingar
BACKGROUND: Although 2-20% of breast cancer patients develop a contralateral breast cancer (CBC), prognosis after CBC is still debated. Using a unique patient cohort, we have investigated whether time interval to second breast cancer (BC2) and mode of detection are associated to prognosis. METHODS: Information on patient-, tumour-, treatment-characteristics, and outcome was abstracted from patien
Essä om upplevelsen av att ständigt vara kontrollerad och om dokusåpor.
Climbing fiber discharges within the rat cerebellar cortex have been shown to display synchrony, especially for climbing fibers terminating in the same parasagittal bands. In addition, Purkinje cells which have the smallest rostrocaudal separation also seem to have the highest degree of synchrony. But this has so far only been investigated for distances down to 250 mum. In the present study, we wa
This paper overviews traffic engineering problems encountered in the design of multiple networks. We mainly inspect the problem of introducing an n x 64kbit/s service into a non-hierarchial telephone network and focus on network dimensioning.
Granins are major constituents of dense-core secretory granules in neuroendocrine cells, but their function is still a matter of debate. Work in cell lines has suggested that the most abundant and ubiquitously expressed granins, chromogranin A and B (CgA and CgB), are involved in granulogenesis and protein sorting. Here we report the generation and characterization of mice lacking chromogranin B (
In the study of aggrecan fragmentation several methods to extract and purify aggrecan from cartilage and synovial fluid (SF) are used. This work compares and evaluates the effectiveness for purification of aggrecan of the most commonly used methods by the ratio of sulfated glycosaminoglycan (sGAG) to protein and by fragment analysis by Western blot. A novel method for purification of aggrecan frag
The aim of this investigation was to assess the Ku70/Ku80 complex as a potential target for antibody imaging of prostate cancer. We evaluated the in vivo and ex vivo tumor targeting and biodistribution of the (111)In-labeled human internalizing antibody, INCA-X ((111)In-DTPA-INCA-X antibody), in NMRI-nude mice bearing human PC-3, PC-3M-Lu2 or DU145 xenografts. DTPA-conjugated, non-labeled antibody
Age is the most important risk factor known for cardiovascular disease manifestations. However, the biological ageing of an individual may be substantially different from the chronological age in what has been called “differential ageing”. This process can be evaluated by arterial stiffness (pulse wave velocity), and the marker of telomere length and by levels of telomerase enzymatic activity. Sev
