scholarly journals Prognostic Significance of Substance P/Neurokinin 1 Receptor and Its Association with Hormonal Receptors in Breast Carcinoma

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Riffat Mehboob ◽  
Syed Amir Gilani ◽  
Amber Hassan ◽  
Sadaf ◽  
Imrana Tanvir ◽  
...  
Keyword(s):  
Breast Carcinoma ◽  
Substance P ◽  
Tumor Cells ◽  
Prognostic Significance ◽  
Positive Staining ◽  
Ki 67 ◽  
Neurokinin 1 Receptor ◽  
Group A ◽  
Neurokinin 1 ◽  
Group B

Expression and immunolocalization of Substance P (SP)/Neurokinin-1 Receptor (NK-1R) in breast carcinoma (BC) patients and its association with routine proliferative markers (ER, PR, HER2/neu, and Ki-67) were evaluated. A cross-sectional study was performed on 34 cases of BC. There were 23 cases of group A (grade III), 8 of group B (grade II), and only 3 cases of group C (grade I). All samples were then processed for SP and NK-1R immunohistochemistry for few cases. 14/23 cases (61%) of group A, 7/8 cases (88%) of group B, and 2/3 (67%) cases of group C were SP positive. Overall, strong staining (≥10% tumor cells), labeled as “+3,” was observed in 9/14 (64.2%) cases of group A and 1/8 (12.5%) cases of group B. Moderate staining labelled as “+2” (in ≥10% tumor cells) was observed in 3/14 (21.4%) cases of group A and 4/8 (50%) cases of group B. Weak positive staining “+1” was observed in only 2/14 (14.28%) cases of group A, 2/8 (25%) cases of group B, and all 2/2 (100%) cases of group C. SP and NK-1R are overexpressed in breast carcinomas, and there is significant association between the grade of tumor and their overexpression.

scholarly journals Prognostic significance of Substance P/ Neurokinin 1 receptor and its association with hormonal receptors in breast carcinoma

2020 ◽  
Author(s):  
Riffat Mehboob ◽  
Syed Amir Gilani ◽  
Amber Hassan ◽  
Imrana Tanvir ◽  
Rizwan Ullah Khan ◽  
...  
Keyword(s):  
Breast Carcinoma ◽  
Substance P ◽  
Positive Staining ◽  
List Type ◽  
Ki 67 ◽  
Neurokinin 1 Receptor ◽  
Group A ◽  
Neurokinin 1 ◽  
Group B ◽  
Grade Iii

AbstractTo evaluate the expression and Immunolocalization of Substance P (SP)/ Neurokinin-1 Receptor (NK-1R) in Breast Carcinoma (BC) patients and it’s association with routine proliferative markers (ER, PR, HER2/ neu and Ki-67).MethodsA cross-sectional study was performed on 34 cases of BC. There were 23 cases of group A (Grade III), 8 of group B (Grade II) and only 3 cases of group C (Grade I). Age range comprised of patients from 20-80 years and the mean age of patients was 45.74 years. HE, ER, PR, HER2 and Ki-67 staining was performed as routine biomarkers. Samples were then processed for immunomarkers study of Substance P and NK-1R immunohistochemistry was performed for few cases.Results14/23 cases (61%) of group A, 7/8 cases (88%) of group B and 2/3 (67%) cases of group C were SP positive. Overall, strong staining (≥ 10% tumors cells), labeled as “3+”, was observed in 9/14 (64.2%) cases of group A and 1/8 (12.5%) case of group B. Moderate staining labelled as “2+” (in ≥ 10% tumor cells) was observed in 3/14 (21.4%) cases of group A, 4/8 (50%) cases of group B. weak positive staining “1+” was observed in only 2/14 (14.28%) cases of group A, 2/8 (25%) cases of group B and all 2/2 (100%) cases of group C.ConclusionsSP and NK-1R is overexpressed in breast carcinomas and there is significant association between grade of tumor and their overexpression. It may serve as a novel biomarker for grading of BC. We also suggest that NK-1R antagonists as a potential therapeutic strategy to inhibit and manage BC.Key PointsImmunohistochemical expression of Substance P and Neurokinin 1 Receptor in breast carcinoma tissue was evaluatedIt was strongly expressed in grade III, with maximum intensityIt may be investigated further for its role as prognostic and diagnostic markerTherapeutic potential of Neurokinin-1 Receptor antagonists must be explored

scholarly journals Aprepitant as a combinant with Dexamethasone reduces the inflammation via Neurokinin 1 Receptor Antagonism in severe to critical Covid-19 patients and potentiates respiratory recovery: A novel therapeutic approach

2020 ◽  
Author(s):  
Riffat Mehboob ◽  
Fridoon Jawad Ahmad ◽  
Ahad Qayyum ◽  
Muhammad Asim Rana ◽  
Syed Amir Gilani ◽  
...  
Keyword(s):  
Receptor Antagonist ◽  
Clinical Outcomes ◽  
C Reactive Protein ◽  
Neurokinin 1 Receptor ◽  
Reactive Protein ◽  
Link Type ◽  
Group A ◽  
Critical Patients ◽  
Neurokinin 1 ◽  
Group B

AbstractCorona virus infection is a respiratory infection, compromising the normal breathing in critical patients by damaging the lungs. The aim of this study was to evaluate the clinical outcomes of Substance P receptor Neurokinin 1 antagonist in Covid-19 patients against the usual treatments as controls.MethodsIt is a randomized clinical trial, open label, having two arms, one receiving normal management and care while other receiving Neurokinin-1 Receptor antagonist, Aprepitant, in addition. Dexamethasone, a corticosteroid is also administered orally to both the groups. PCR positive, hospitalized patients with more than 18 years of age, both genders, moderate to critical phase were included. 41 patients were randomly allocated in both arms, having 21 patients in group A and 20 patients in group B. Lab investigations were performed in both the groups before and after the intervention.ResultsMean age of patients in group A was 50 ±18 years while 55±11 years in group B. There were 14/21 males in group A and 15/20 in group B. There were 3 critical patients in group A and 5 in group B. Biochemical and hematological parameters in both groups didn’t show much difference except the C-reactive protein reduction in the intervention group, indicative of a reduced inflammation.ConclusionsThe findings of this current study give a strong clue for the therapeutic potential of Aprepitant. Patients who received a combination therapy of Aprepitant and Dexamethasone showed improved clinical outcomes, laboratory findings and reduced C-reactive protein which is an inflammatory marker.Trial RegistrationThis trial is registered inclinicaltrials.gov(NCT04468646). To Determine the Efficacy of Neurokinin 1 Receptor Antagonist as a Therapeutic Tool Against Cytokine Storm and Respiratory Failure in Covid-19 Patients

Tissue Ki67 proliferative index expression and pathological changes in hemodialysis arteriovenous fistulae: Preliminary single-center results

2021 ◽  
pp. 112972982110154
Author(s):  
Raffaella Mauro ◽  
Cristina Rocchi ◽  
Francesco Vasuri ◽  
Alessia Pini ◽  
Anna Laura Croci Chiocchini ◽  
...  
Keyword(s):  
Morphological Changes ◽  
Hot Spot ◽  
Wall Thickening ◽  
Proliferating Cells ◽  
Ki 67 ◽  
Group A ◽  
The Mean ◽  
Set Up ◽  
Group B

Background: Arteriovenous fistula (AVF) for hemodialysis integrates outward remodeling with vessel wall thickening in response to drastic hemodynamic changes. Aim of this study is to determine the role of Ki67, a well-established proliferative marker, related to AVF, and its relationship with time-dependent histological morphologic changes. Materials and methods: All patients were enrolled in 1 year and stratified in two groups: (A) pre-dialysis patients submitted to first AVF and (B) patients submitted to revision of AVF. Morphological changes: neo-angiogenesis (NAG), myointimal thickening (MIT), inflammatory infiltrate (IT), and aneurysmatic fistula degeneration (AD). The time of AVF creation was recorded. A biopsy of native vein in Group A and of arterialized vein in Group B was submitted to histological and immunohistochemical (IHC) analysis. IHC for Ki67 was automatically performed in all specimens. Ki67 immunoreactivity was assessed as the mean number of positive cells on several high-power fields, counted in the hot spots. Results: A total of 138 patients were enrolled, 69 (50.0%) Group A and 69 (50.0%) Group B. No NAG or MIT were found in Group A. Seven (10.1%) Group A veins showed a mild MIT. Analyzing the Group B, a moderate-to-severe MIT was present in 35 (50.7%), IT in 19 (27.5%), NAG in 37 (53.6%); AD was present in 10 (14.5%). All AVF of Group B with the exception of one (1.4%) showed a positivity for Ki67, with a mean of 12.31 ± 13.79 positive cells/hot spot (range 0–65). Ki67-immunoreactive cells had a subendothelial localization in 23 (33.3%) cases, a myointimal localization in SMC in 35 (50.7%) cases. The number of positive cells was significantly correlated with subendothelial localization of Ki67 ( p = 0.001) and with NA ( p = 0.001). Conclusions: Native veins do not contain cycling cells. In contrast, vascular cell proliferation starts immediately after AVF creation and persists independently of the time the fistula is set up. The amount of proliferating cells is significantly associated with MIT and subendothelial localization of Ki67-immunoreactive cells, thus suggesting a role of Ki-67 index in predicting AVF failure.

scholarly journals Substance P mediates inflammatory oedema in acute pancreatitis via activation of the neurokinin-1 receptor in rats and mice

2000 ◽  
Vol 130 (3) ◽  
pp. 505-512 ◽  
Author(s):  
Eileen F Grady ◽  
Shandra K Yoshimi ◽  
John Maa ◽  
Dahlia Valeroso ◽  
Robert K Vartanian ◽  
...  
Keyword(s):  
Acute Pancreatitis ◽  
Substance P ◽  
Neurokinin 1 Receptor ◽  
Neurokinin 1 ◽  
Rats And Mice

scholarly journals Substance P enhances HIV-1 infection in human fetal brain cell cultures expressing full-length neurokinin-1 receptor

2013 ◽  
Vol 19 (3) ◽  
pp. 219-227 ◽  
Author(s):  
Lynnae Schwartz ◽  
Sergei V. Spitsin ◽  
John Meshki ◽  
Florin Tuluc ◽  
Steven D. Douglas ◽  
...  
Keyword(s):  
Substance P ◽  
Cell Cultures ◽  
Fetal Brain ◽  
Brain Cell ◽  
Full Length ◽  
Human Fetal Brain ◽  
Neurokinin 1 Receptor ◽  
Brain Cell Cultures ◽  
Neurokinin 1 ◽  
Hiv 1

Comparison of Outcome of one Versus two Drains Insertion for Seroma Formation Following Modified Radical Mastectomy in Breast Carcinoma

2021 ◽  
Vol 17 (1) ◽  
pp. 52-55
Author(s):  
Shiraz Shaikh ◽  
Ambreen Munir ◽  
Shahnawaz Abro ◽  
Shahida Khatoon ◽  
Zameer Hussain Laghari ◽  
...  
Keyword(s):  
Breast Carcinoma ◽  
General Surgery ◽  
Stable Condition ◽  
Radical Mastectomy ◽  
Seroma Formation ◽  
University Hospital ◽  
P Value ◽  
Modified Radical Mastectomy ◽  
Group A ◽  
Group B

Objective: Comparative outcome of one versus two drains insertion for in the term of seroma formation following modified radical mastectomy in breast carcinoma. Methodology: This Prospective Interventional trial was conducted at Department of General Surgery, Liaquat University Hospital Hyderabad from February 2018 to January 2019.  Females with breast carcinoma admitted for modified radical mastectomy were included. Patients were divided into two groups.  Groups I underwent one drain placement and group II underwent two drains placement. All patients were observed to measure and record the volume of the fluid. Patients were discharged from Hospital in stable condition and after removal of drains, and followed up weekly for one month. Data was recorded on self-made proforma and analyzed by using SPSS-20. Results: Total of 80 patients were selected, 38 in group A and 42 in group B. Mean age of patients of group A was 49.08 ± 9.89 years and group B was 51.40 ± 13.59 years. , Excised Mass weight was lesser in group A as compared to group B. Mean volume of drain discharge was significantly higher in Group B 323.43 ± 158.88 ml, while it was in group A 230.29± 200.98, findings were statistically significant 0.013. Seroma formation was statistically insignificant among both groups as 8(21.1%) in group A and   10(23.8%) in group B, p-value 0.768. Conclusion: One-drain and two-drain insertion are equally effective to reduce the seroma formation after modified radical mastectomy; however, one drain insertion leads to more patient compliance and comfort with probably less morbidity and cost.

scholarly journals Transplantation of Porcine Hepatocytes Cultured with Polylactic Acid-O-Carboxymethylated Chitosan Nanoparticles Promotes Liver Regeneration in Acute Liver Failure Rats

2011 ◽  
Vol 2011 ◽  
pp. 1-7 ◽  
Author(s):  
Zhong Chen ◽  
Renan Chang ◽  
Weijun Guan ◽  
Hongyu Cai ◽  
Fei Tang ◽  
...  
Keyword(s):  
Liver Regeneration ◽  
Chitosan Nanoparticles ◽  
Collagen Gel ◽  
Post Transplantation ◽  
Ki 67 ◽  
Group A ◽  
Group B ◽  
Group D ◽  
High Liver ◽  
Porcine Hepatocytes

In this study, free porcine hepatocytes suspension (Group A), porcine hepatocytes embedded in collagen gel (Group B), porcine hepatocytes cultured with PLA-O-CMC nanoparticles and embedded in collagen gel (Group C), and PLA-O-CMC nanoparticles alone (Group D) were transplanted into peritoneal cavity of ALF rats, respectively. The result showed that plasma HGF levels were elevated post-transplantation with a peak at 12 hr. The rats in Group C showed highest plasma HGF levels at 2, 6, 12, 24 and 36 hr post-transplantation and lowest HGF level at 48 hr. Plasma VEGF levels were elevated at 48 hr post-transplantation with a peak at 72 hr. The rats in Group C showed highest plasma HGF levels at 48, 72, and 96 hr post-transplantation. The liver functions in Group C were recovered most rapidly. Compared with Group B, Group C had significant high liver Kiel 67 antigen labeling index (Ki-67 LI) at day 1 post-HTx (P<.05). Ki-67 LI in groups B and C was higher than that in groups A and D at days 5 and 7 post-HTx. In conclusion, intraperitoneal transplantation of porcine hepatocytes cultured with PLA-O-CMC nanoparticles and embedded in collagen gel can promote significantly liver regeneration in ALF rats.

Action of substance P (neurokinin-1) receptor activation on rat neostriatal projection neurons

Synapse ◽  
1999 ◽  
Vol 33 (1) ◽  
pp. 26-35 ◽  
Author(s):  
Elvira Galarraga ◽  
Salvador Hern�ndez-L�pez ◽  
Dagoberto Tapia ◽  
Arturo Reyes ◽  
Jos� Bargas
Keyword(s):  
Substance P ◽  
Receptor Activation ◽  
Projection Neurons ◽  
Neurokinin 1 Receptor ◽  
Neurokinin 1
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