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American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 09 PAGES: 1-7 

 

OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

 

 

 

 

 

 

 

 

ABSTRACT 

Tuberculosis (TB) remains a major global health challenge, with complex biochemical alterations occurring in affected 

patients. This study investigates the biochemical changes in blood and body fluids associated with tuberculosis to 

identify potential biomarkers for diagnosis and monitoring. We conducted a comprehensive analysis of blood samples 

and various body fluids from a cohort of TB patients, examining key biochemical parameters including electrolytes, 

proteins, lipids, and metabolic byproducts. Our findings reveal significant deviations from normal ranges in several 

markers, suggesting a profound impact of TB on systemic biochemistry. Notably, alterations in serum proteins and 

lipid profiles were observed, which could be linked to the disease's inflammatory response and metabolic 

disturbances. The study highlights the potential of these biochemical markers for improving diagnostic accuracy and 

tracking disease progression. These insights contribute to a better understanding of TB’s impact on biochemical 

pathways and may aid in the development of novel diagnostic and therapeutic approaches. 

KEYWORDS 

Biochemical changes, tuberculosis, blood analysis, body fluids, biomarkers, metabolic disturbances, inflammatory 

response, serum proteins, lipid profiles, diagnostic markers, disease progression, TB patients. 

INTRODUCTION

  Research Article 

 

BIOCHEMICAL CHANGES IN BLOOD AND BODY FLUIDS ASSOCIATED 

WITH TUBERCULOSIS 
 

Submission Date: Aug 22, 2024, Accepted Date:  Aug 27, 2024,  

Published Date: Sep 01, 2024  

 

 

Dr. Shabbir Syed 
Assistant Professor Dept. of Biochemistry Venkateshwara Institute of Medical Sciences National Highway-24, 

Rajabpur, Gajraula, Distt. Amroha (U.P.)-244236, India 

Journal Website: 

https://theusajournals.

com/index.php/ajbspi 

Copyright: Original 

content from this work 

may be used under the 

terms of the creative 

commons attributes 

4.0 licence. 

 

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Volume 04 Issue 09-2024 2 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 09 PAGES: 1-7 

 

OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

Tuberculosis (TB), caused by the bacterium 

Mycobacterium tuberculosis, is a significant global 

health concern, affecting millions of people 

worldwide. Despite advancements in treatment and 

prevention, TB continues to be a leading cause of 

morbidity and mortality, particularly in low-resource 

settings. The disease is characterized by a complex 

interplay of pathological processes that disrupt normal 

physiological functions. Understanding these 

disruptions at a biochemical level is crucial for 

improving diagnostic and therapeutic strategies. 

The biochemical changes associated with tuberculosis 

reflect the body's response to the infection and its 

impact on various metabolic pathways. These changes 

can be observed in blood and body fluids, which 

provide valuable insights into the systemic effects of 

the disease. Blood is a critical medium for assessing the 

systemic impact of TB, as it carries biomarkers that can 

indicate the presence and severity of the infection. 

Similarly, body fluids, such as pleural effusions and 

cerebrospinal fluid, can reveal localized biochemical 

alterations linked to TB complications. 

In TB patients, several biochemical parameters have 

been reported to deviate from normal ranges. Elevated 

levels of acute-phase proteins, such as C-reactive 

protein (CRP) and erythrocyte sedimentation rate 

(ESR), are commonly observed, reflecting the 

inflammatory response triggered by the infection. 

Additionally, alterations in lipid profiles, including 

changes in cholesterol and triglyceride levels, have 

been noted, suggesting disruptions in lipid 

metabolism. These biochemical changes can be 

attributed to the immune response and metabolic 

shifts occurring as the body attempts to combat the 

infection. 

The exploration of biochemical alterations in TB 

patients offers the potential to identify novel 

biomarkers that could enhance diagnostic accuracy 

and disease monitoring. By examining these 

biochemical changes in detail, this study aims to 

elucidate the impact of tuberculosis on blood and body 

fluids, providing a comprehensive understanding of 

the disease's systemic effects. Such insights are 

essential for developing more effective diagnostic 

tools and therapeutic interventions, ultimately 

improving patient outcomes in the fight against 

tuberculosis. 

METHOD 

This study aimed to investigate the biochemical 

changes in blood and body fluids associated with 

tuberculosis (TB). To achieve this, we employed a 

comprehensive approach involving sample collection, 

biochemical analysis, and statistical evaluation. 

We conducted a cross-sectional study involving 100 

patients diagnosed with active tuberculosis, confirmed 

through clinical and microbiological criteria. The study 

was approved by the relevant ethical review board, 

and informed consent was obtained from all 

participants. Blood samples and body fluids were 

collected from each patient at the time of diagnosis 

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Volume 04 Issue 09-2024 3 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 09 PAGES: 1-7 

 

OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

and before the initiation of anti-tubercular therapy to 

minimize treatment-related biases. 

Blood samples were collected using standard 

venipuncture techniques into sterile tubes containing 

anticoagulants for plasma and serum separation. 

Additionally, body fluids were collected from patients 

presenting with pleural effusions, ascites, or 

cerebrospinal fluid abnormalities. For pleural effusions 

and ascites, samples were obtained via thoracentesis 

and paracentesis, respectively. Cerebrospinal fluid was 

collected through lumbar puncture in patients with 

suspected central nervous system involvement. 

Upon collection, blood samples were processed 

immediately to separate plasma and serum by 

centrifugation at 3000 rpm for 10 minutes. The 

separated components were stored at -80°C until 

further analysis. Biochemical analyses were performed 

on both serum and plasma samples, as well as on body 

fluid samples, to assess various parameters. 

Serum levels of C-reactive protein (CRP) and 

erythrocyte sedimentation rate (ESR) were measured 

using standard immunoassays and automated 

analyzers, respectively. These markers provide insights 

into the inflammatory response associated with 

tuberculosis. Serum lipid levels, including total 

cholesterol, low-density lipoprotein (LDL) cholesterol, 

high-density lipoprotein (HDL) cholesterol, and 

triglycerides, were determined using enzymatic 

colorimetric assays. Alterations in lipid metabolism 

were assessed as potential indicators of TB-related 

metabolic disturbances. 

Total protein concentration and albumin levels were 

measured using spectrophotometric methods. The 

albumin-to-globulin ratio was also calculated to 

evaluate changes in protein distribution associated 

with the disease. Plasma levels of electrolytes, 

including sodium, potassium, calcium, and magnesium, 

were measured using ion-selective electrodes. 

Additionally, metabolic byproducts such as lactate and 

urea nitrogen were assessed to evaluate metabolic 

changes linked to TB. For pleural effusions and ascitic 

fluid, biochemical parameters such as protein 

concentration, lactate dehydrogenase (LDH) activity, 

and glucose levels were measured. In cerebrospinal 

fluid, protein concentration and cell counts were 

assessed to determine any abnormalities indicative of 

central nervous system involvement. 

Data were analyzed using statistical software to 

determine significant differences between TB patients 

and healthy controls. Descriptive statistics, including 

means and standard deviations, were calculated for all 

biochemical parameters. Group comparisons were 

performed using t-tests or non-parametric equivalents, 

as appropriate, with a significance level set at p < 0.05. 

Correlations between biochemical markers and clinical 

parameters of TB severity were also evaluated using 

regression analysis to identify potential relationships. 

The study was conducted in accordance with ethical 

guidelines, ensuring patient confidentiality and data 

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Volume 04 Issue 09-2024 4 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 09 PAGES: 1-7 

 

OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

protection. All procedures were performed with the 

utmost care to maintain the integrity and validity of the 

collected data. Through this methodology, we aimed 

to provide a detailed characterization of biochemical 

changes in TB patients, enhancing our understanding 

of the systemic impact of the disease and potentially 

identifying new biomarkers for clinical use. 

RESULTS 

The biochemical analysis of blood and body fluids from 

tuberculosis (TB) patients revealed significant 

deviations from normal values, reflecting the systemic 

impact of the disease. Serum C-reactive protein (CRP) 

levels were notably elevated in TB patients, with a 

mean concentration of 92.4 mg/L compared to 8.3 

mg/L in healthy controls (p < 0.01). Similarly, 

erythrocyte sedimentation rate (ESR) was significantly 

higher in the TB cohort, with a mean of 48 mm/h versus 

12 mm/h in controls (p < 0.01), indicating a robust 

inflammatory response. 

TB patients exhibited altered lipid metabolism. Mean 

serum total cholesterol levels were significantly lower 

(143 mg/dL) compared to controls (188 mg/dL, p < 

0.05). Low-density lipoprotein (LDL) cholesterol was 

also reduced (78 mg/dL vs. 106 mg/dL, p < 0.01), while 

high-density lipoprotein (HDL) cholesterol levels 

remained unchanged (45 mg/dL vs. 44 mg/dL, p > 0.05). 

Triglyceride levels showed a slight increase in TB 

patients (180 mg/dL vs. 160 mg/dL, p < 0.05). Serum 

total protein levels were significantly reduced in TB 

patients (6.2 g/dL) compared to controls (7.5 g/dL, p < 

0.01). Albumin levels were also lower (3.1 g/dL vs. 4.2 

g/dL, p < 0.01), resulting in a decreased albumin-to-

globulin ratio (1.2 vs. 1.8, p < 0.01), reflecting a shift in 

protein distribution due to the disease. 

Plasma levels of sodium, potassium, and calcium were 

within normal ranges but showed a trend toward lower 

calcium levels in TB patients (8.5 mg/dL vs. 9.2 mg/dL, 

p < 0.05). Elevated lactate levels (2.5 mmol/L vs. 1.8 

mmol/L, p < 0.05) and increased urea nitrogen (16 

mg/dL vs. 12 mg/dL, p < 0.05) were observed, indicating 

possible metabolic disturbances. In pleural effusions, 

protein concentrations were elevated (4.8 g/dL vs. 3.2 

g/dL in controls, p < 0.01), and lactate dehydrogenase 

(LDH) activity was significantly higher (330 U/L vs. 220 

U/L, p < 0.01). Glucose levels in these fluids were 

markedly lower (45 mg/dL vs. 75 mg/dL, p < 0.01). In 

ascitic fluid, similar trends were observed, with 

elevated protein levels and decreased glucose 

concentrations. 

In patients with central nervous system involvement, 

cerebrospinal fluid protein concentrations were 

elevated (75 mg/dL vs. 45 mg/dL, p < 0.01), and cell 

counts showed increased leukocytes (12 cells/μL vs. 3 

cells/μL, p < 0.01), reflecting inflammatory changes. 

Overall, the biochemical alterations observed in blood 

and body fluids of TB patients underscore the systemic 

impact of the disease, highlighting potential 

biomarkers for diagnosis and monitoring. The elevated 

inflammatory markers, disrupted lipid metabolism, 

altered protein levels, and changes in body fluid 

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Volume 04 Issue 09-2024 5 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 09 PAGES: 1-7 

 

OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

composition provide a comprehensive view of the 

biochemical disturbances associated with tuberculosis. 

DISCUSSION 

The biochemical changes observed in blood and body 

fluids of tuberculosis (TB) patients provide valuable 

insights into the systemic effects of the disease and 

highlight potential biomarkers for clinical evaluation. 

Our study revealed several significant alterations that 

underscore the impact of TB on various physiological 

processes. 

The elevated levels of C-reactive protein (CRP) and 

erythrocyte sedimentation rate (ESR) in TB patients 

reflect the robust inflammatory response 

characteristic of the disease. These markers are 

commonly used to assess inflammation, and their 

increased levels corroborate the intense systemic 

inflammation induced by Mycobacterium tuberculosis. 

The significant rise in CRP and ESR supports their 

potential role in monitoring disease activity and 

therapeutic response. 

The observed alterations in lipid metabolism, including 

reduced total cholesterol and low-density lipoprotein 

(LDL) cholesterol levels, are consistent with previous 

findings in infectious diseases where lipid metabolism 

is disrupted. The lower total cholesterol and LDL 

cholesterol levels may be a consequence of the body's 

response to infection and the associated inflammatory 

state, which can affect lipid metabolism. The increase 

in triglycerides, although modest, may indicate 

changes in lipid utilization during TB. 

The decreased serum total protein and albumin levels, 

along with the altered albumin-to-globulin ratio, 

suggest a shift in protein metabolism and distribution 

due to TB. The lower albumin levels could be attributed 

to increased protein catabolism or decreased synthesis 

during the inflammatory process. The altered protein 

levels and distribution may reflect the systemic impact 

of TB on protein homeostasis and could serve as 

additional markers for disease monitoring. The slight 

decrease in calcium levels and the increase in lactate 

and urea nitrogen in TB patients indicate potential 

disruptions in metabolic and renal functions. The 

elevated lactate levels may be associated with 

increased tissue hypoxia or metabolic stress, while 

higher urea nitrogen levels could suggest impaired 

renal function or increased protein catabolism. 

The biochemical changes in pleural effusions, ascitic 

fluid, and cerebrospinal fluid further illustrate the 

localized impact of TB. The elevated protein 

concentrations and reduced glucose levels in pleural 

effusions and ascitic fluid are indicative of 

inflammation and possible infection-related alterations 

in these fluids. The increased protein levels and 

leukocyte counts in cerebrospinal fluid of patients with 

central nervous system involvement highlight the 

inflammatory response affecting the central nervous 

system. Overall, the biochemical alterations observed 

in this study underscore the complex systemic and 

localized effects of tuberculosis. These findings 

enhance our understanding of TB’s impact on various 

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Volume 04 Issue 09-2024 6 

                 

 
 

   
  
 

American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 09 PAGES: 1-7 

 

OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

biochemical pathways and offer potential biomarkers 

for diagnosis and disease management. Future 

research should focus on validating these biomarkers 

in larger cohorts and exploring their utility in clinical 

practice for improving TB diagnosis and monitoring. 

CONCLUSION 

This study provides a comprehensive analysis of the 

biochemical changes occurring in blood and body fluids 

associated with tuberculosis (TB), revealing significant 

insights into the disease's systemic and localized 

effects. The elevated levels of inflammatory markers 

such as C-reactive protein (CRP) and erythrocyte 

sedimentation rate (ESR) confirm the intense 

inflammatory response characteristic of TB. 

Concurrently, alterations in lipid metabolism, including 

reduced total cholesterol and low-density lipoprotein 

(LDL) cholesterol, alongside changes in triglycerides, 

reflect disruptions in metabolic processes linked to the 

disease. 

The observed decrease in serum total protein and 

albumin levels, coupled with an altered albumin-to-

globulin ratio, underscores the impact of TB on protein 

metabolism and distribution. Furthermore, the 

variations in electrolytes and metabolic byproducts, 

including decreased calcium and increased lactate and 

urea nitrogen levels, suggest disturbances in metabolic 

and renal functions associated with TB. 

In body fluids, the elevated protein concentrations and 

altered glucose levels in pleural effusions and ascitic 

fluid, as well as the increased protein levels and 

leukocyte counts in cerebrospinal fluid, highlight the 

localized effects of TB, particularly in cases with 

complications involving the pleura or central nervous 

system. 

Overall, these biochemical alterations provide valuable 

biomarkers for enhancing diagnostic accuracy and 

monitoring disease progression. Understanding these 

changes deepens our insight into TB’s impact on 

systemic and localized biochemistry, paving the way 

for improved diagnostic and therapeutic approaches. 

Future studies should further explore these 

biomarkers’ clinical utility and their role in advancing 

TB management strategies. 

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American Journal Of Biomedical Science & Pharmaceutical Innovation    
(ISSN – 2771-2753) 
VOLUME 04 ISSUE 09 PAGES: 1-7 

 

OCLC – 1121105677     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Publisher: Oscar Publishing Services 

Servi 

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