Selim Ahmed

• PhD
• Professor at Patuakhali Science and Technology University

Background: Lumpy skin disease (LSD) is a highly infectious and economically important transboundary disease that is rapidly spreading to the globe. The disease causes high morbidity and a low mortality rate of infection. The animals show acute or chronic illnesses depending on the immune responses of the hosts. The economic burden of LSD manifeste...

Feline panleukopenia is a single-stranded DNA virus. It is a highly contagious and often lethal viral infection in cats. The present study aimed to determine the seroprevalence, associated common risk factors, and therapeutic response of the disease in cats in the study area. The disease was diagnosed based on history, characteristic clinical findi...

Dendritic cells (DCs) are specialized antigen-presenting cells in humans and animals that provide antigen-specific T-cell immunity in the body. It also establishes a linkage between innate and adaptive immune responses. Various studies have shown that malignancies or cancer may impair DCs and effector T-cell functions. DCs have now become a new mol...

Background: Leptospirosis is a worldwide distributed zoonotic disease which affects humans and animals in countries with humid, tropical and subtropical climates. It is a well known cause for abortion, stillbirth or birth of weak calf. The present study was performed to investigate the seroprevalence, risk factors and biochemical values of bovine l...

Kidney diseases, including acute kidney injury (AKI) and chronic kidney disease (CKD), have become critical clinical, socioeconomic, and public health concerns worldwide. The kidney requires a lot of energy, and mitochondria act as the central organelle for the proper functioning of the kidney. Mitochondrial dysfunction has been associated with the...

Background: Food safety is now a global issue especially in developing countries like Bangladesh. Foodborne diseases are leading causes of illness and death in man, animals and birds in the world. Antibiotic resistant Salmonella and E. coli may transfer these resistances to humans through consuming chicken meat and frozen milk available in the mark...

Background: Salmonellosis is one of the most important diseases of poultry that seriously impedes the development of the poultry industry. The study was investigated to determine the seroprevalence and antibiotic sensitivity of Salmonella spp. in commercial layer chicken at study area. Methods: The study was conducted from June 2020 to July 2020. F...

How to cite: Rahman M, Rahman MA, Ahmed MS. Bovine tuberculosis in buffaloes: Investigation of demographic variables and assessment of he-mato-biochemical values at some selected coastal areas of Bhola district, Bangladesh. ABSTRACT Objectives: The objective of this study was to investigate the demographic variables and hema-to-biochemical investig...

Inflammation is an indispensable immune response that allows survival during damage or infection and sustains tissue homeostasis at various detrimental conditions. Inflammation is originated at the cost of the temporary tissue malfunction, contributing to the pathogenesis of diseases in homeostatic alterations. Macrophages are a major component of...

Macrophages are the most numerous and professional tissue-resident phagocytes and are critical players in diverse functional activities to maintain tissue integrity and to regulate the inflammation or disease. Macrophages have the central role in immune defense mechanism. Studies on macrophage biology and differentiation explore the pleiotropic act...

Macrophages, the key player in innate immune response, are originated from yolk sac and the fetal liver during embryogenesis. They are also recruited from blood and bone marrow under proliferative inflammatory conditions. Macrophages have powerful ability to phagocytose pathogens or foreign matter and play vital role in immune regulation, wound hea...

Tuberculosis (TB) is caused by Mycobacterium tuberculosis (Mtb) and other members of Mycobacterium species. The pathogen mainly develops in the respiratory system of the body. Mycobacterium remains a significant public health concern that is causing thousands of deaths which is more than HIV globally every day. The infection starts in the terminal...

Macrophages represent a major cell type of innate immunity and have emerged as a critical player and therapeutic target in many chronic inflammatory diseases. Kupffer cells (KCs) constitute 80%−90% of the tissue macrophages present in the body. KCs, the hepatic macrophages, are originated from the fetal yolk sack and infiltrated bone marrow-derived...

Mycoplasma gallisepticum (MG) is the most important pathogenic Mycoplasma spp. causing avian mycoplasmosis and brought about huge economic losses to poultry industry in Bangladesh. The present study was undertaken to know the seroprevalence of MG in layer birds in three different geographical areas of southern Barishal division, Bangladesh. Total 3...

The aim of this study is to evaluate the first service pregnancy rate in cows at the selected coastal areas of Bangladesh. The study was conducted during the period from September 2015 to September 2016 in 10 Upazilas in Barisal district of Bangladesh. Data were recorded by checking their record book, collecting information from Upazila Livestock O...

The subclinical mastitis is more serious and is responsible for much greater loss to the dairy industry in Bangladesh. This study was performed to determine the prevalence of subclinical mastitis and identify the associated risk factors in randomly selected 200 lactating buffaloes (192 local and 8 crossbred) at some selected regions of Bhola distri...

Background: Balantidium coli is an important enteric protozoan disease of livestock. This study has been undertaken to investigate the prevalence and associated factors of balantidiasis of Bhola district, Bangladesh. Methods: A cross sectional study was carried out from March 2018 to February 2019. A total of 200 buffalo fecal samples were examined...

Echinococcosis is an important zoonotic parasitic disease that produces hydatid cyst in different body tissues, preferentially in liver and lungs. It has a major public health as well as economic impacts throughout the world. In this study the incidence of hydatidosis and pathological changes in the liver and lung of goat were investigated at the s...

Objective: The study was performed to determine the level of knowledge, attitude, and prac¬tice among different professionals toward zoonotic diseases in selected coastal areas of Barguna district, Bangladesh. Materials and Methods: A total of 485 respondents were randomly selected from different upazilas (sub-districts) of Barguna district, Bangl...

p>An investigation was carried out to find out the effects of probiotics and phytoextracts (Korolla- bitter melon, Triphala-traditional three herbal components and Safi-commercial polyherbal products) on growth, hemato-biochemical (TEC, TLC, ESR, Hb concentration, PCV, ALT, AST, Cholesterol, Tryglyceride, HDL and LDL) and immunomodulating performan...

span>This study was conducted to estimate the proportional prevalence of clinical diseases and conditions in pet animals (dog, cat, and rabbit) attended at S. A. Quaderi Teaching Veterinary Hospital, Chittagong Veterinary and Animal Sciences University (CVASU), Chittagong, Bangladesh. A total of 388 cases of different clinical diseases and conditio...

The study was conducted to determine the prevalence of clinical diseases and disorders in goats at Jhenaidah Sadar upazilla, Jhenaidah, Bangladesh. A total of 120 sick goats were examined during the period from September to November, 2015. The presumptive diagnosis of the diseases was performed on the basis of history, owner's complaints, clinical...

The study was conducted to determine the prevalence of clinical diseases and disorders in goats at Jhenaidah Sadar upazilla, Jhenaidah, Bangladesh. A total of 120 sick goats were examined during the period from September to November, 2015. The presumptive diagnosis of the diseases was performed on the basis of history, owner’s complaints, clinical...

Objective: The study was conducted to determine the prevalence of infectious diseases in Sonali chickens at Bogra Sadar Upazila, Bogra, Bangladesh. Materials and methods: A total of 258 sick and dead Sonali chickens were examined for the diagnosis of different infectious diseases based on history, clinical findings and postmortem lesions of dead an...

Purpose The Src homology 2 domain–containing adaptor protein B (SHB) is widely expressed in immune cells and acts as an important regulator for hematopoietic cell function. SHB silencing induces Th2 immunity in mice. SHB is also involved in T-cell homeostasis in vivo. However, SHB has not yet been studied and addressed in association with dendritic...

A research was conducted to obtain the prevalence of diseases and disorders of cattle at Lalmohan Upazila, Bhola, Bangladesh. The study was performed from January to March, 2016. An entire of 90 sick cattle were examined and analyzed at the time of study where young 25.56%, growing 34.44% and adult 40%; local breed 78.89% as well as cross breed 21....

A research was conducted to obtain the prevalence of diseases and disorders of cattle at Lalmohan Upazila, Bhola, Bangladesh. The study was performed from January to March, 2016. An entire of 90 sick cattle were examined and analyzed at the time of study where young 25.56%, growing 34.44% and adult 40%; local breed 78.89% as well as cross breed 21....

Dendritic cells (DCs) are professional antigen presenting cells, and play an important role in the induction of antigen-specific adaptive immunity. However, some DC populations are involved in immune regulation and immune tolerance. These DC populations are believed to take part in the control of immune exaggeration and immune disorder, and maintai...

Dab2 is an adapter protein involved in receptor-mediated signaling, endocytosis, cell adhesion, hematopoietic cell differentiation, and angiogenesis. It plays a pivotal role in controlling cellular homeostasis. In the immune system, the Dab2 is a Foxp3 target gene and is required for regulatory T (Treg) cell function. Dab2 expression and its biolog...

The study was conducted to determine the occurrence of infectious diseases in broiler chickens at kapasia in Gazipur district during the period from 16 th October to 16 th December 2008. Detection was made on the basis of history, clinical findings and post-mortem lesions. A total of 199 broiler chickens were examined during the study where Colibac...

Prostaglandin-endoperoxide synthase (PTGS), also known as cyclooxygenase (COX), is a key enzyme in prostaglandin biosynthesis,regulates dioxygenase and peroxidase activity. The major metabolites of PTGS2 are PGE2, PGF2, PGD2, PGI2, and TXA2. All of these are steroid and act as immunosuppressive agentsbut differ in their regulation of expression an...

Early growth response gene 2 (Egr2), which encodes a zinc finger transcription factor, is rapidly and transiently induced in various cell types independently of de novo protein synthesis. Although a role for Egr2 is well established in T-cell development, Egr2 expression and its biological function in dendritic cells (DCs) have not yet been describ...

An epidemiological study on rotavirus infection was carried out by examining 484 faecal specimens of kids of Black Bengal goats using RNA polycrylamide-gel-electrophoresis and silver staining (PAGE-ss) technique. Goat rotavirus was detected in 8.68% (42/484) diarrhoeic faecal specimens. The highest rate of rotavirus infection in goat kids was found...

The presence of rotavirus infection in broiler chickens (1-2 weeks old) was studied. A total of 232 faecal specimens were collected during the period from July to September 2004 and examined by polyacrylamide gel electrophoresis and silver staining (PAGE-ss) technique for the presence of rotavirus dsRNA in the Department of Medicine, Faculty of Vet...

Summary. An unusual human rotavirus strain B219 was detected in a stool specimen from a 65-year old patient with diarrhea in Bangladesh during April 2002. Cloning and sequence analysis of five genes of the B219 strain indicated that this virus is genetically closely related to theADRV-N strain, which caused an adult diarrhea outbreak in China, but...