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PubMed2002

Oxidative, heat and anthelminthic stress responses in four species of Trichinella: comparative study.

The aim of this study was to compare levels of stress proteins in four Trichinella species when exposed to different stressors. Heat shock protein (HSP) 60, 70 and 90 responses were evaluated in infective larvae (L(1)) of four classic Trichinella species following exposure to oxidative, anthelminthic and thermal stress. Larvae of T. nativa, T nelsoni, T. pseudospiralis and T. spiralis were exposed to peroxide shock (0.2%, 1%, or 2% H(2)O(2)for 2h), high temperatures (40 degrees C or 45 degrees C for 2h), or 0.1 microg/ml of the benzimidazole anthelminthics: mebendazole (MBZ), albendazole (ALB) or thiabendazole (TBZ) for 4h. Following exposures, the L(1) were tested for induced morphological changes. Those observed were: (i) no change (in all species exposed to 40 degrees C) (ii) aberrant forms (in all species exposed to anthelminthics, in T. nativa, T. nelsoni and T. spiralis exposed to 45 degrees C, and in T. spiralis and T. nelsoni exposed to 0.2% H(2)O(2)) and (iii) severe degradation or death (in T. nativa and T. pseudospiralis exposed to 0.2% H(2)O(2), and in all species at 1% and 2% H(2)O(2)). In Western blot analyses, L(1) proteins were probed with monoclonal antibodies (mAbs) specific for the three HSPs. Greater changes in HSP levels occurred following H(2)O(2) exposure than with other stresses in all Trichinella species, while accumulation of a 50 kDa HSP was only observed in T. spiralis and T. pseudospiralis. Anthelminthic stress only caused decreased HSP levels in T. nativa. Thermal stress caused no significant changes in the HSP response of any species. It is suggested that other stress proteins (e.g., glucose-regulated proteins) may be involved in adaptation to thermal stress.

Animals↗

PubMed1988

Effects of adherence, activation and distinct serum proteins on the in vitro human monocyte maturation process.

Elutriator-purified human monocytes were cultured in a serum-free (SF) medium, and various serum proteins and functional activating agents were assessed for their effects on the in vitro maturation of human monocytes to macrophages. Following 3 days of suspension culture in Teflon labware, 60% of the monocytes were easily recovered. When varying concentrations of human AB serum (HuAB) were employed, human monocyte maturation progressed rapidly; the kinetics of this maturation process during cell suspension culture were very similar to the pattern observed following adherence culture. In contrast, when SF medium was employed, a marked retardation of the monocyte maturation process was observed; this could not be attributed to any changes in cell recovery and/or viability. Thus, cells could be maintained in their monocytoid form for 3 days when cultured in SF medium. When HuAB was added after 3 days of culture, human monocyte maturation into macrophages proceeded at a normal rate. We attempted to characterize certain of the serum protein(s) found in HuAB which promoted the monocyte maturation process. Human immunoglobulin G (IgG) was found to be the most potent serum protein in increasing 5'-N activity and decreasing peroxidase activity of suspension cultured monocytes. Immunoglobulin M (IgM) and albumin (Alb) were shown not to have significant monocyte maturation activity. Heat-treated human gamma globulin and IgG purified by high-performance liquid chromatography (HPLC) were shown to have patterns identical with that of untreated HGG and IgG with regard to promoting monocyte maturation; F(ab')2 was not an active maturation promoter, indicating the need for an intact Fc portion of the IgG molecule. Fibrinogen and fibronectin also had maturation promoting activity. Finally, addition of the potent monocyte functional activators, muramyl dipeptide (MDP), polyriboinosinic:polyribocytidilic acid (Poly I:C), and lipopolysaccharide (LPS) had no effect on the monocyte maturation process. Thus, neither cell adherence or activation appear to be critical for the monocyte to macrophage maturation process. Instead, we hypothesize that in addition to proper nutritional support, a group of serum proteins (unified mainly by their ability to interact with monocyte membrane receptors) appear to be the principal promoters of this process.

5'-Nucleotidase↗

PubMed2025

Paternally Expressed Gene 10 Promoter Methylation Level as a Predictor of HBeAg Seroconversion in Chronic Hepatitis B Patients.

The management of chronic hepatitis B (CHB) encounters challenges like suboptimal antiviral response and the lack of predictive biomarkers. In this study, the role of paternally expressed gene 10 (PEG10) in hepatitis B e antigen (HBeAg) seroconversion (HBeAg SC) was explored to identify a therapeutic target and predictive model. In total, 349 participants were recruited, and 141 HBeAg-positive patients were followed up after 48 weeks of antiviral therapy. Key genes were screened by machine learning algorithms (BORUTA, RF and LASSO). PEG10 mRNA, promoter methylation and plasma levels were examined. The effect of PEG10 was assessed by logistic regression, and HBeAg SC was predicted by nomograms. HBeAg-positive patients showed markedly elevated PEG10 mRNA expression (p < 0.001), which correlated strongly with major virological markers such as HBV DNA (r = 0.520, p < 0.001), HBeAg (r = 0.490, p < 0.001) and HBsAg (r = 0.400, p < 0.001). In addition, HBeAg-positive patients exhibited a significant reduction in PEG10 promoter methylation levels compared with controls (p < 0.001). According to logistic regression analysis, PEG10 promoter methylation status was an independent predictor of HBeAg SC. The predictive nomogram incorporating PEG10 promoter methylation ratio (PMR), albumin (ALB), aspartate aminotransferase (AST) and HBeAg demonstrated excellent clinical predictive value (area under curve (AUC) = 0.895,95% confidence interval (CI): 0.808 ~ 0.963). The methylation status of the PEG10 promoter represents a promising biomarker for the prediction of HBeAg SC in patients with CHB. CLINICAL TRIAL REGISTRATION: Not applicable.

Humans↗

PubMed2025

Aberrant TERT expression: linking chronic inflammation to hepatocellular carcinoma†.

Telomerase reverse transcriptase (TERT), the catalytic enzyme component of telomerase, plays multiple roles in cellular biology. Its canonical function is primarily associated with telomere maintenance and genomic stability. In addition, several studies revealed critical non-canonical extra-telomeric functions of TERT in various cellular processes, including cell proliferation and survival, DNA damage response, transcription, signal transduction, and metabolic regulation, both in normal and in cancer cells. Notably, TERT is aberrantly upregulated in more than 80% of hepatocellular carcinoma (HCC) cases, making it an important target in liver cancer research. However, due to the diversity and complexity of TERT's functions in vivo, the precise mechanisms by which TERT contributes to the initiation and progression of HCC remain unclear. A recent study published in The Journal of Pathology using the Alb-Cre;TertTg mouse model and clinical HCC samples addresses the role of TERT in hepatocarcinogenesis. The study demonstrates that TERT promotes cell cycle progression and hepatocarcinogenesis by enhancing NF-κB promoter activity and facilitating the ubiquitination of p21. Notably, absence of functional p53 accelerates liver tumor development in TERT transgenic mice. These findings further underscore the critical role of TERT in inflammation-driven hepatocarcinogenesis and provide new insights into its underlying mechanisms. © 2025 The Author(s). The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.

Telomerase↗

PubMed1998

Preparation and partial structural characterization of alpha1T-glycoprotein from normal human plasma.

alpha1T-glycoprotein (alpha1T) was isolated from normal human plasma in the immunochemically homogeneous state. The partial amino acid sequence and carbohydrate chains of this glycoprotein were determined. To achieve this, the carboxymethylated alpha1T was analyzed by sequencing some of the lysylendoprotease, V8 protease, tryptic, and cyanogen bromide peptides as well as the N-terminal sequence of the protein. A large number of amino acid residues (460 amino acids) was determined by chemical procedure. The peptide sequences were compared with that of other proteins. A high degree of homology was found for proteins of the albumin family. Further, human alpha-albumin, a new member of this protein family, showed an amino acid sequence identical to that of alpha1T indicating that these two proteins are very similar in amino acid sequence and composition. These proteins are closely related to alpha-fetoprotein; however, five carbohydrate chains were found on alpha1T at Asn12, Asn88, Asn362, Asn381, and Asn467 as biantennary complex type chains and the chain on Asn362 possessed a rare consensus sequence of Asn-X-Cys. Thus, alpha1T distinguishes itself by possessing five N-glycans, a finding reported here for the first time for the ALB family.

Albumins↗

PubMed1994

Induction of hepatic acute-phase protein transcripts: differential effects of acute and subchronic dimethylnitrosamine exposure in vivo.

Inflammatory responses are accompanied by increased expression of hepatocyte-derived proteins collectively known as acute phase reactants (APR). B6C3F1 female mice were exposed intraperitoneally every 24 hr to either vehicle (PBS) or DMN (5 mg/kg) for up to six exposures. Following a single treatment (acute), liver tissues were collected at 3, 6, 12, and 24 hr post-exposure. The same collection scheme was repeated following the fourth and sixth exposures (subchronic). Total cellular RNA was isolated and Northern blot analyses were performed using 3'-end radiolabeled oligonucleotides specific for serum amyloid A (SAA), serum amyloid P (SAP), and albumin (ALB). SAA transcripts were detected 3 hr after acute DMN exposure, peaked at 6 hr, and rapidly declined to vehicle control levels by 12 hr. No SAA transcripts were observed in vehicle-treated controls. In contrast, SAP transcripts were constitutively expressed in both vehicle and DMN-treated groups throughout the acute exposure period. However, at 3 and 6 hr after DMN exposure, elevated levels of SAP transcripts were observed before returning to control levels at 12 and 24 hr. Expression of albumin transcripts decreased rapidly following acute DMN exposure and remained suppressed throughout the first 24-hr period measured. Serum levels of complement component-3 (C3) increased 2 hr after a single DMN exposure, whereas decreases in serum albumin levels were first observed at 24 hr post-exposure. After four exposures to DMN, SAA transcripts were detected at all time periods measured. Similarly, SAP transcripts in livers of DMN-exposed animals were consistently elevated above vehicle controls. Results after six exposures to DMN were similar, with SAA and SAP transcripts elevated at all time points tested. By comparison, repeated vehicle exposures resulted in a stress-related transient expression of SAA and SAP transcripts. Thus, acute and subchronic DMN exposure resulted in differential APR transcript expression and may serve as useful biomarkers following chemical exposure.

Acute-Phase Proteins↗

PubMed1991

Chloroplast transcription is required to express the nuclear genes rbcS and cab. Plastid DNA copy number is regulated independently.

RbcL and rbcS mRNA levels and plastid transcription activity are low in the basal meristematic region of barley primary leaves and increase coordinately during leaf cell development with a similar time course in dark-grown or illuminated seedlings. The capacity of light to cause cab mRNA accumulation shows a similar dependence on leaf cell development. These results indicate that the initial activation of chloroplast gene expression and the expression of some nuclear genes encoding plastid proteins are coupled to leaf cell development. RbcL and rbcS mRNA levels and plastid transcription activity decline in older leaf sections of dark-grown or illuminated barley. The decreases in plastid transcription and rbcS and rbcL mRNA levels in older dark-grown seedlings could be reversed by plant illumination. Therefore, while the initial activation of plastid transcription and accumulation of rbcS mRNA are largely light-independent, these events become light-dependent in older leaves of dark-grown barley. If the initial increase in plastid transcription which occurs early in leaf cell development is prevented by tagetitoxin, a specific inhibitor of the plastid RNA polymerase, rbcS mRNA does not accumulate and cab mRNA accumulation cannot be induced by light. The effect of tagetitoxin is selective because this compound does not inhibit barley leaf growth, or the normal accumulation of nuclear-encoded actin and BN3 transcripts and plastid DNA which occurs during chloroplast development. Furthermore, a barley pigment-deficient mutant, alb-f17, and plants containing photo-oxidized plastids show parallel reductions in plastid transcription activity and levels of rbcS and cab mRNA. This suggests that the activation of plastid transcription during the early stages of chloroplast biogenesis is necessary for the expression of rbcS and cab.

Blotting, Northern↗

PubMed1977

Ultrastructure of the neurohypophysis of the teleost Poecilia latipinna in relation to neural control of the adenohypophysial cells.

The structure of the neurohypophysis of Poecilia latipinna (green molly, sailfin molly) was studied with the electron microscope. Profile diameters of neurosecretory granules in the non-myelinated neurohypophysial nerve fibres were measured and mathematically corrected for error due to section thickness. Six different types of nerve fibres could be distinguished by statistical classification of their granules and by other ultrastructural features. One fibre-type (type B) contained granules with a mean diameter of 85 nm, and the other five types (types Ala, Alb, A2, A3 and A4) all contained granules with mean diameters greater than 100 nm. Synaptic contacts were observed between type B fibres and all the adenohypophysial cell-types, although in the case of the ACTH cells the synapses were separated from the cell membrane by a continuous double basement membrane. Type A fibres were observed to contact the cells of the proximal pars distalis and pars intermedia, but did not form synapses. However, synapses occurred between type A fibres and pituicytes, and between type A fibres and the pericapillary basement membrane in the interior of the neurohypophysis. The possible roles of the different types of nerve fibres in controlling the adenohypophysial cells are discussed in the context of evidence from other teleosts.

Animals↗

PubMed1994

Seven loci on human chromosome 4 map onto sheep chromosome 6: a proposal to restore the original nomenclature of this sheep chromosome.

Seven new loci, casein alpha-S1 (CSN1S1), casein alpha-S2 (CSN1S2), casein beta (CSN2), the Hardy-Zuckerman 4 feline sarcoma viral (v-kit) oncogene homolog (KIT), albumin (ALB), phosphodiesterase cyclic GMP (rod receptor) beta polypeptide (PDEB), and complement component 1 (IF), were assigned to sheep Chromosome (Chr) 6 by Southern hybridization to a panel of chromosomally characterized sheep x hamster cell hybrids. By isotopic in situ hybridization, CSN2 was regionally localized to sheep Chr (OOV) 6q22-q31, anchoring this syntenic group of markers on to OOV6 and confirming its homology at a molecular and cytological level with cattle Chr 6. The assignment of these loci, from PDEB (located on human Chr 4p16.3) to IF (on HSA4q24-q25), and the observation that interleukin 2 (IL2, on HSA4q26-q27) and tryptophan 2,3-dioxygenase (TDO2, on HSA4q31) are not located on OOV6, is further evidence of the close evolutionary relationship of sheep and cattle and the conserved synteny in these species of this extensive region of human Chr 4. On the basis of this conserved synteny, and the similar G- and Q-banding patterns of this chromosome in cattle and sheep, we propose that this sheep chromosome be numbered as 6, not 4 as recommended by ISCNDA (1990).

Animals↗

PubMed1980

Inheritance of enzymes and blood proteins in the leopard frog, Rana pipiens: three linkage groups established.

Individuals from natural populations of the leopard frog, Rana pipiens, were analyzed for electrophoretic differences in blood proteins and enzymes from an amputated digit. The proteins examined represent products of 72 loci. Presumptive heterozygotes at multiple loci were selected for experimental crosses. Mendelian inheritance of 18 protein variations were demonstrated in the offspring. Tests for linkage or independent assortment were performed for 75 locus pairs. Three linkage groups were established. Linkage group 1 contains two loci, aconitase-1 (Acon 1) and serum albumin (Alb), with a 19% recombination frequency between them. Linkage group 2 contains four loci, glyoxalase (Gly), acid phosphatase-1 (Ap1), acid phosphatase-2 (AP2), and esterase-5 (Est5). The data show the relationships Gly-21.1%-AP1-0%-AP2-6.3%-Est5, and Gly-25.6%-Est5. Linkage group 3 consists of four closely linked esterase loci. The data, Est1-5.1%-Est6, Est6-1.8%-Est10-1.9%-Est4 and Est6-3.0%-Est4, do not establish a complete order but suggest that Est10 is between Est4 and Est6. These results, with data demonstrating apparent independent assortment of 67 other locus pairs, provide a foundation for establishing the frog genetic map.

Animals↗

PubMed1987

Purification and characterization of variant alcohol dehydrogenase isozymes from durum wheat.

Three alcohol dehydrogenase (ADH) isozymes from embryos of the durum wheat cultivar Bijaga Yellow having the variant Adh-Alb allele were purified using (NH4)2SO4 precipitation, gel filtration, and ion-exchange chromatography. ADH is a dimeric enzyme. The variant isozyme ADH-1-1, which is a homodimer composed of alpha b monomers, was compared with ADH-1-5 (homodimer composed of beta a monomers), the product of Adh-B1, and the ADH-1-3 isozyme (alpha b beta a heterodimer) on a number of parameters including Km, substrate specificities, and molecular weights. No appreciable differences among the three isozymes were found, except for the faster electrophoretic mobility of alpha b alpha b dimers (ADH-1-1). The results indicate that the variant isozyme is the result of a mutation altering only the charge of the isozyme.

Alcohol Dehydrogenase↗

PubMed1996

Inheritance and linkage analysis of ten enzyme and blood protein loci in the Japanese brown frog Rana japonica.

In order to clarify the genetic linkage groups of the Japanese brown frog Rana japonica, and compare them with those of other vertebrates, the inheritance of 10 enzyme and blood protein loci was examined in 267 offspring derived from 18 crosses using 10 males heterozygous at these loci. Most of the segregation tests exhibited no significant deviations from the expected normal Mendelian ratios. Of 32 pairs of loci tested for linkage, 29 pairs showed independent assortment in all crosses examined. In the three other locus pairs, between ADH-1 and Alb, IDH-1 and Hb-1, and LDH-B and MPI, all offspring analyzed were parental, and there were no recombinants. These three linkage groups comprising six loci were thus established in R. japonica, whereas no linkage between the other four loci, AAT-1, ADA, GPI, and PEP-A, was observed.

Animals↗

PubMed1991

Extrahepatic expression of plasma protein genes during inflammation.

The body's protective responses to infection, wounding, trauma, and malignancy include the acute-phase reaction, which is modulated by various cytokines and their cellular receptors. During the acute-phase reaction, levels of specific proteins synthesized by the liver increase in the plasma. Little information is available about the extrahepatic synthesis of plasma proteins during the acute-phase reaction. The study described here analyzes the tissue-specific expression of genes encoding the plasma proteins albumin (ALB), alpha 1-antitrypsin (AAT), transferrin (TF), haptoglobin (HP), ceruloplasmin (CP), serum amyloid A (SAA), alpha 1-acid glycoprotein (AGP) and alpha 2-HS-glycoprotein (AHSG) during the acute-phase reaction in C57B1 mice. The acute-phase reaction was induced by intraperitoneal injections of bacterial lipopolysaccharide (LPS). During the acute-phase reaction, genes encoding CP, SAA, AGP, and HP demonstrate unique extrahepatic tissue specific patterns of expression in kidney, spleen, thymus, heart, brain, lung, testis, and epididymis. Different temporal patterns of HP gene expression also were observed in lung and thymus after induction by LPS. The function of extrahepatic synthesis of plasma proteins is not yet understood; however, a local provision of specific plasma proteins in mammalian tissues may offer the host a source of functionally important proteins during periods of stress.

Acute-Phase Reaction↗

PubMed1979

[Influence of the cymothoid isopods Meinertia oestroides, Meinertia parallela, and Anilocra physodes (Crustacea; parasites of fish) on the growth of hosts, Boops boops and Pagellus erythrinus (Sparidae) (author's transl)].

Studies of weight-size (W = aLb) and growth (L = aT + b) in fish (Boops boops and Pagellus erythrinus), potential hosts of some Cymothoid isopods (Meinertia oestroides, Meinertia parallela, and Anilocra physodes) have been performed. Infested fishes show a slight decrease in weight compared to normal fish. Cymothoid do not exert a significant influence on the weight-size ratio; on the other hand, a delay in growth does occur.

Animals↗

PubMed1993

Overexpression of asparagine synthetase in albizziin-resistant murine diploid embryonic stem cells.

Gene amplification is commonly observed in primary tumors and established drug-resistant cell lines, both of which are generally aneuploid. However, this process is undetectable (frequency < 10(-9) in normal diploid mammalian cell lines. To investigate whether gene amplification can occur in pluripotent diploid cells, we have selected drug-resistant mutants of mouse embryonic stem (ES) cells. We had previously found that Chinese hamster ovary (CHO) and human cell lines selected in albizziin (Alb), an amino acid analog of L-glutamine, overexpress asparagine synthetase (AS) due to gene amplification. The same drug selection system was applied to ES cells to isolate single-step and multistep drug-resistant mutants. Albizziin-resistant ES cells exhibited elevated levels of AS; however, drug resistance in ES cells was associated with mRNA overexpression without gene amplification. AS gene amplification was observed in only one drug-resistant cell line and was preceded by AS mRNA overexpression. Gene amplification in the latter coincided with the loss of the pluripotent nature of the ES cells.

Amino Acids, Diamino↗

PubMed1993

A genetic linkage map of the chromosome 4 short arm.

We have generated an 18-interval contiguous genetic linkage map of human chromosome 4 spanning the entire short arm and proximal long arm. Fifty-seven polymorphisms, representing 42 loci, were analyzed in the Venezuelan reference pedigree. The markers included seven genes (ADRA2C, ALB, GABRB1, GC, HOX7, IDUA, QDPR), one pseudogene (RAF1P1), and 34 anonymous DNA loci. Four loci were represented by microsatellite polymorphisms and one (GC) was expressed as a protein polymorphism. The remainder were genotyped based on restriction fragment length polymorphism. The sex-averaged map covered 123 cM. Significant differences in sex-specific rates of recombination were observed only in the pericentromeric and proximal long arm regions, but these contributed to different overall map lengths of 115 cM in males and 138 cM in females. This map provides 19 reference points along chromosome 4 that will be particularly useful in anchoring and seeding physical mapping studies and in aiding in disease studies.

Base Sequence↗

PubMed1979

Amino acid and 22Na+ uptake in membrane vesicles from confluent simian virus 40 transformed Balb/c3T3 and Balb/c3T3.

The studies reported here were carried out to characterize further previously described changes in membrane localized amino acid transport associated with simian virus 40 transformation of the mammalian cell line, Balb/c3T3. Membrane vesicles were prepared from confluent cultures of both simian virus 40 transformed Balb/c3T3 (SV3T3) and the untransformed parent line, Balb/c3T3 (3T3). An initial, externally imposed out greater than in, 100 mM a+ gradient produces acceleration of early ingress of alpha-aminoisobutyric acid (AlB) in vesicles from both cell lines, but transient, concentrative uptake (overshooting) only in SV3T3 vesicles. Early ingress of L-leucine is also accelerated in SV3T3 vesicles by a Na+ gradient, and overshooting is also demonstrable. Na+-gradient independent AIB permeability of SV3T3 and 3T3 membranes was estimated using uptake data, a first order rate equation and measurements of vesicle size derived from quasi-elastic light-scattering studies. AIB permeability of SV3T3 membranes is greater than that of 3T3 membranes (113 A/min and 43 A/min, respectively), suggesting that overshooting in 3T3 vesicles is not attenuated by a Na+-independent AIB "leak". Na+ permeability of the two membranes is similar, ruling out the possibility that a slower rate of Na+ equilibration across the SV3T3 membrane allows development of the overshoot. In SV3T3 vesicles the height of a Na+-gradient dependent overshoot varies with the initial [Na+]o/[Na+]i ratio, and ln[Na+]o/[Na+]i is linearly related to ln AIB uptake at overshoot peak/AIB uptake at equilibrium, consistent with the possibility that for [Na+]o/[Na+]i ratios in the range studied, AIB overshoot is energized by a constant proportion of the energy available from the initial electrochemical gradient for Na+. These results are consistent with the possibility that Na+-gradient dependent overshooting in SV3T3 vesicles is produced by Na+-amino acid carrier interactions resulting in either an increase in maximum transport velocity or an increase in carrier affinity for AIB.

Aminoisobutyric Acids↗

PubMed1995

Seroprevalence of hantavirus antibodies in Germany as determined by a new recombinant enzyme immunoassay.

In order to elucidate the epidemiological importance of hemorrhagic fever with renal syndrome in Germany, the prevalence of antibodies against hantaviruses was determined in 13,358 sera from residents of various geographic regions, 1,284 sera from occupational risk groups and 287 sera from chronic hemodialysis patients. Serological investigations were performed using a highly specific transferable solid phase enzyme immunoassay based on the recombinant nucleocapsid proteins of a Hantaan and a Puumala serotype strain. The overall antibody prevalence was found to be 1.68%. In the serum panels from western and southern Germany, it was determined to be 1.83% on average in contrast to only 0.8% in the panel from eastern Germany. An endemic focus revealing an antibody prevalence of 3.12% was detected in a low-mountain area called Suebian Alb, which is located in the federal state of Baden-Württemberg. Occupational risk groups and a group of chronic hemodialysis patients showed a significantly elevated antibody prevalence ranging from 3.3% to 10%. The Puumala serotype was found to be the prevailing virus, but the percentage of sera predominantly recognizing the Hantaan nucleocapsid protein increased towards the south and the east and was significantly elevated in dialysis patients.

Antibodies, Viral↗