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V. V. Anistratenko, Yu. S. Ryabceva and E. V. Degtyarenko
The radula morphology and variability in four European species of the family Viviparidae viz. Viviparus viviparus (Linnaeus, 1758), V. sphaeridius (Bourguignat, 1880), V. ater (Cristofori et Jan, 1832) and Contectiana listeri (Forbes et Hanley, 1853) were examined using scanning electron microscopy (SEM). Statistical methods reveal a certain value of rachidian tooth dimensional parameters as an efficient tool for taxonomy and discrimination of closely related species of the family.
L. G. Manilo and A. V. Didenko
The paper contains new data, which confirms distribition of the ratan goby, Ponticola ratan (Nordmann, 1840), in fresh waters, as well as its diagnosis, description, and brief information on its biology.
V. V. Anistratenko, O. Yu. Anistratenko and I. A. Khaliman
Conchological Variability of Anadara inaequivalvis (Bivalvia, Arcidae) in the Black-Azov Sea Basin. Anistratenko, V. V., Anistratenko, O. Yu., Khaliman, I. A. - An alien species in the Black Sea and the Sea of Azov - Anadara inaequivalvis (Bruguiere, 1789) - was recently discovered to have a wide range of shell variability. From the investigated samples (over 900 valves) six basic types of the shell commissural opening were defined; they are not, however, discrete conditions. Th e presence of intermediate variants reveals a gradual (continuous) character of the shell variability and indicates that all the samples investigated belong to the same species. Th e variation of some other Anadara characteristics is also discussed, including: quantity and ornamentation of the ribs on the surface of the valves, quantity of chevrons on the ligament area, shape of the hinge plate and quantity of hinge teeth. A comparison of conchological characteristics of Anadara from the Black-Azov Sea Basin with A. inaequivalvis from southeast India shows that ranges and patterns of shell variability of Azov-Black Sea Anadara correspond to variability of A. inaequivalvis from this species type locality - Coromandel Coast of India.
V. Yu. Nazarenko
Investigation of the main epipharyngeal structures in representatives of Hyperini weevils larvae has shown that in general case 6 als, 2 (4) ams, 4 mes and 2 snp present: Coniatus (Bagoides) splendidulus (Fabricius, 1781) - 6 als, 2 ams, ?1 mes, 2 x 3 snp, Donus bucovinensis (Penecke, 1928) - 6 als, 2 ams, 4 mes, 2 x 5 snp, D. geminus (Zaslavskij, 1967) - 6 als, 2 ams, 4 mes, 2 x 5 snp, Hypera (Eririnomorphus) rumicis (Linnaeus, 1758) - 6 als, ?4 ams, 4 mes, 2 x 2 snp, H. (Hypera) miles (Paykull, 1792) - 6 als, ?4 ams, 4 mes, 2 x (4-5) snp, H. (H.) transsylvanica (Petri, 1901) - 6 als, 2 ams, 4 mes, 2 x (3-5) snp, Limobius borealis (Paykull, 1792) - 6 als, 2 ams, 4 mes, 2 x 4 snp. By morphological peculiarities of epipharyngeal surface the studied larvae can be divided into next 4 groups: 1) epipharynx with wide flat areas, short setae and shallow emargination (C. splendidulus); 2) with wide flat areas, medium-sized setae, strait and sharp excision on anterior margin (D. bucovinensis, D. geminus); 3) with short flat areas, medium to long setae and wide apical emargination (H. miles, H. rumicis, H. transsylvanica); 4) with uneven surface, large long setae and short emargination (L. borealis). It is supposed that morphological peculiarities of ephiphaynx in Hyperini relate to type of feeding.
I. V. Dovgal and R. Mayén-Estrada
Comparative analysis of Dendrocometes paradoxus Stein, 1852 cell morphology from various gammarid amphipod species in different regions of Ukraine, and those attached to several host body parts of Hyalella azteca collected in two Mexican lakes, was carried out in order to demonstrate the morphological variability, due to the hosts species or their geographical distribution. For hosts species and corporal distribution, no significant differences between the two populations were shown. As the result, it was found the suctorians common for amphipod crustaceans from Ukraine and Mexico all are conspecific and belong to D. paradoxus.
Maria E. Tsanyan, Sergey K. Soloviev, Stefka G. Radenska-Lopovok, Anna V. Torgashina, Ekaterina V. Nikolaeva, Yaroslav B. Khrennikov and Evgeniy L. Nasonov
Aim: TO assess the effects of rituximab (RTM) therapy on clinical and morphologic activity of lupus nephritis (LN).
Material and methods: The study included 45 patients with confirmed diagnosis of systemic lupus erythematosus (SLE), unaffected by previously received standard therapy with glucocorticoids (GCs) and cytostatics. The disease activity was assessed using Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI 2K); to assess the LN activity we used the SLICC RA/RE index. Forty-five patients with LN were given puncture renal biopsy prior to prescribing RTM; 16 patients had repeated renal biopsy 1 year and more after beginning the anti-B-cell therapy. LN was graded histologically in accordance with the WHO classification (2003) with indices of activity (AI) and chronicity (CI).
Results: The predominant number of patients had class III - IV of LN. The repeated renal biopsies demonstrated that LN had undergone a transition into a more favourable morphologic class, which was associated, in most of these cases, with a positive therapeutic effect. The follow-up dynamics showed a statistically significant reduction of AI (p=0.006), and no statistically significant changes in the CI (p = 0.14).
Conclusion: The long-term follow-up in the study has showed that repeated courses of anti-B-cell therapy with RTM have a positive effect both on SLE activity and generally on the renal process. The reduction of the morphologic class of LN as assessed in the repeated renal biopsies is a convincing proof for this. Eleven out of 16 patients experienced transition of the morphologic class into a more favourable type, which in most cases was combined with lower AI (p = 0.006). We found no evidence of increase in the CI (p = 0.14).
K.A. Saparov, F.D. Akramova, D.A. Azimov and V.I. Golovanov
Study of Biology, Morphology and Taxonomy of the Nematode Stephanofilaria assamensis (Filariina, Stephanofilariidae). Saparov K. A., Akramova F. D., Azimov D. A., Golovanov V. I. — Biological characters of Stephanofilaria assamensis Pande, 1936, a parasite of cattle, were studied under environmental conditions of Uzbekistan with the emphasis on morphology of all developmental stages. Bloodsucking flies Haematobia atripalpis Bezzi, 1895, Lyperosia titillans Bezzi, 1907 and L.irritans Linnaeus, 1758 were established as intermediate hosts. Prevalence of the nematode larvae in the flies constituted 2.1, 1.5, and 1.2 %, respectively. Characters for the species identification were revised. On that basis S. zaheeri Singh, 1958 is regarded as a synonym of S. assamensis. The place of Stephanofilaria genus in the system of Stephanofilariidae is discussed.
I. V Dolinskaya
The eggs of one species from family Nolidae (subfamily Chloephorinae) and seven species from family Erebidae (subfamilies Hermeniinae, Hypeninae, Phytometrinae and Catocalinae) occurring in Ukraine are examined, described, and illustrated with SEM. The diagnostic characters of examined species are proposed.