Study of immuno-histochemical markers ER, PR and Her2/neu in ovarian neoplasms

Background: Among genital malignancies, ovarian cancer has the most increased mortality rate. ER, PR and HER2/neu expression levels depend on tumour histologic grade, stage of disease and age group. Aim of the study was to study the clinic-pathological parameters in ovarian tumours with reference to age, histologic type and grade and their correlation with ER, PR and HER2/neu status.Methods: The prospective study of 2 ½ years was conducted on 100 resected ovarian tumour specimens from June 2017 to December 2019 received in the department of pathology, JLN medical college, Ajmer. Sections were examined for presence of ovarian tumour, histological type, grade and for ER, PR and HER2/neu status, immunohistochemistry was done.Results: Out of 100 cases, 72 cases were benign, 03 cases were border-line and 25 cases were malignant. Serous tumors were most common among all epithelial tumors (61%). Malignant cases showed maximum positivity with ER, PR and HER2 as 61.76%, 68% and 100% respectively. ER, PR and HER2/neu positivity in serous epithelial tumors was 76.47%,84% and 90% and in mucinous tumors was 20.59%, 12% and 10% respectively. Majority of positive ER, PR and HER2/neu receptors was observed in age groups of >40 years as 64.71%, 64% and 85% respectively. ER, PR and HER2/neu positivity seen in higher grade and stage tumors as 76.19%, 76.47% and 70% in grade 3 and stage 3 tumors respectively.Conclusions: The higher expression of ER, PR and HER-2/Neu is associated with progression of invasive cancer, higher grade and stage of ovarian tumors, higher age group, and multiparty.

Addressing adenomyosis: Implications beyond we actually know

Background: Hysterectomy is one of the commonest gynecological surgeries being performed in India for various pelvic pathologies like fibroid uterus, endometrial hyperplasia, dysfunctional uterine bleeding, etc. But pre-operative diagnosis of adenomyosis and making it an indication for hysterectomy is not as common as pathologists find it in histo-pathology of hysterectomized specimens. The aim of the study was to study the frequency of adenomyosis in comparison to leiomyoma as a uterine pathology in hysterectomized specimens and correlate them clinically.Methods: A retrospective comparative study was carried out on 1646 hysterectomy specimens, during January 2014 to December 2016, which showed either adenomyosis or leiomyoma or both. Clinical records of these cases were retrieved and histo-pathology was correlated to clinical presentations and pre-operative ultrasonography.Results: Of the 1646 specimens taken for comparision between adenomyosis and leiomyoma, 49% showed only adenomyosis, 37% only leiomyoma and 14% had dual pathology showing findings of both. The peri-menopausal age group (45-54 years) accounted for the maximum number of patients undergoing hysterectomy (37.12%). But adenomyosis was found maximum in 35 - 44 years age group (38.04%). The clinical presentations for these two pathologies were similar and maximum patients presented with abnormal uterine bleeding and pelvic pain. Ultrasonography was able to diagnose only 32% cases of adenomyosis pre-operatively whereas this figure was 87% for fibroids.Conclusions: Adenomyosis and leiomyoma both account for the most frequent findings in hysterectomy specimens. Fibroids are easily diagnosed pre-operatively, but adenomyosis needs to be diagnosed pre-operatively by high index of clinical suspicion and imaging techniques. Adenomyosis is not just a disease of middle age, it needs to be addressed for infertility, recurrent pregnancy loss (RPL), bad obstetric history, IVF failures and adherent placenta as well

Characterization of the Lipopolysaccharide from a \u3cem\u3eRhizobium phaseoli\u3c/em\u3e Mutant that is Defective in Infection Thread Development

The lipopolysaccharide (LPS) from a Rhizobium phaseoli mutant, CE109, was isolated and compared with that of its wild-type parent, CE3. A previous report has shown that the mutant is defective in infection thread development, and sodium dodecyl sulfate-polyacrylamide gel electrophoresis shows that it has an altered LPS (K. D. Noel, K. A. VandenBosch, and B. Kulpaca, J. Bacteriol. 168:1392-1462, 1986). Mild acid hydrolysis of the CE3 LPS released a polysaccharide and an oligosaccharide, PS1 and PS2, respectively. Mild acid hydrolysis of CE109 LPS released only an oligosaccharide. Chemical and immunochemical analyses showed that CE3-PS1 is the antigenic O chain of this strain and that CE109 LPS does not contain any of the major sugar components of CE3-PS1. CE109 oligosaccharide was identical in composition to CE3-PS2. The lipid A\u27s from both strains were very similar in composition, with only minor quantitative variations. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of CE3 and CE109 LPSs showed that CE3 LPS separated into two bands, LPS I and LPS II, while CE109 had two bands which migrated to positions similar to that of LPS II. Immunoblotting with anti-CE3 antiserum showed that LPS I contains the antigenic O chain of CE3, PS1. Anti-CE109 antiserum interacted strongly with both CE109 LPS bands and CE3 LPS II and interacted weakly with CE3 LPS I. Mild-acid hydrolysis of CE3 LPS I, extracted from the polyacrylamide gel, showed that it contained both PS1 and PS2. The results in this report showed that CE109 LPS consists of only the lipid A core and is missing the antigenic O chain

Level of serum uric acid in patients with preeclampsia compared to controls and its relation to feto-maternal outcome

Background: Uric acid is the final product of the purine metabolism in humans. The two final reactions in its production which catalyze the conversion of hypoxanthine to xanthine and the latter to uric acid are catalyzed by the enzyme xanthine oxidoreductase. The role of uric acid in the progression of prediabetes to diabetes has been known. Serum uric acid has been shown to be associated with cardiovascular disease, hypertension, and chronic kidney disease. The present study was done to see the level of uric acid in preeclampsia and  healthy pregnant controls, to relate serum uric acid results to the severity of hypertension and its relation to fetomaternal outcome in patients attending OPD at RMC Ajmer.Methods: 100 cases of preeclampsia of age group between 20-40 year and gestational age ≥28 weeks and 100 normal healthy women with similar gestational age and age group were included in the study and maternal serum uric acid was estimated in both groups.Results: Mean serum uric acid levels in preeclampsia was 7.65±081 mg/dl and 3.21±072 mg/dl in control group. Perinatal complication was more in case group, 74 % were preterm compared to 11% in control group. Mean birth weight in study group was 2.07 kg, of which 24% babies were VLBW 52% were LBW, and 24% babies had normal birth weight, in control group mean birth weight was 2.82 kg. The difference was found to be statistically significant (p value 0.001). In the study group, the MSUA concentration is found higher in LBW and VLBW babies compared to normal birth weight babies.Conclusions: There is a positive correlation between SUA & severity of preeclampsia, and a significant adverse fetal outcome is observed with raised MSUA in preeclamptic patients

Novel RNA virus genome discovered in Ghost ants (Tapinoma melanocephalum) from Hawaii

Here we report the full genome sequence of Milolii virus, a novel single stranded (positive sense) RNA virus discovered from Tapinoma melanocephalum ants in Hawaii. The genome is 10,475 nucleotides long encoding a polyprotein of 3304 amino acids